/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500;600;700&display=swap');
/* Using Font Awesome 6.5.1 */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

:root {
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;

    /* Enhanced Ocean Theme Colors (Shared) */
    --ocean-deep: #03045e;      /* Dark Navy */
    --ocean-primary: #0077b6;   /* Medium Blue */
    --ocean-secondary: #00b4d8; /* Light Blue */
    --ocean-highlight: #48cae4; /* Bright Cyan Accent */
    --ocean-sky: #90e0ef;       /* Sky Blue */
    --ocean-foam: #caf0f8;      /* Very Light Blue / Cyan tint */
    --sand-light: #f4f1de;     /* Light sand color */
    --sand-dark: #e0ca9a;      /* Darker sand */
    --coral-accent: #f77f00;   /* Coral/Orange Accent */
    --warning-red: #d90429;    /* Stronger red for urgency */
    --success-green: #2a9d8f;   /* Success color */
    --white: #ffffff;
    --black: #111111;

    /* Light Theme Specific */
    --bg-color-light: #f8fcff; /* Very light blue-ish white */
    --bg-secondary-light: var(--white);
    --bg-footer-light: #e6f7ff; /* Light blue footer */
    --text-color-light: #1a2a3a;
    --text-muted-light: #5a6a7a;
    --text-nav-link-light: var(--black); /* Navbar link color */
    --border-light: #cde8f9; /* Softer blue border */
    --shadow-light: rgba(0, 119, 182, 0.1);
    --card-bg-light: var(--bg-secondary-light);
    --fact-bg-light: linear-gradient(135deg, #fff0f2 0%, var(--bg-secondary-light) 70%);
    --fact-border-light: var(--warning-red);
    --hero-title-color-light: var(--ocean-deep);
    --hero-bg-gradient-light-start: color-mix(in srgb, var(--ocean-sky) 20%, var(--white)); /* Slightly stronger start */
    --hero-bg-gradient-light-end: color-mix(in srgb, var(--ocean-foam) 30%, transparent);
    --footer-text-light: color-mix(in srgb, var(--ocean-deep) 80%, black);
    --ripple-color-light: color-mix(in srgb, var(--ocean-sky) 25%, transparent);
    --card-deco-color-light: color-mix(in srgb, var(--ocean-sky) 15%, transparent);
    --card-hover-border-light: var(--ocean-gradient-primary);

    /* Dark Theme Specific */
    --bg-color-dark: #0b132b;   /* Deep blue */
    --bg-secondary-dark: #131f3c; /* Slightly lighter deep blue */
    --bg-footer-dark: #070f21; /* Even darker footer */
    --text-color-dark: #f0f8ff; /* Alice Blue */
    --text-muted-dark: #a0b4c8;
    --text-nav-link-dark: var(--white); /* Navbar link color */
    --border-dark: #2a3b57;    /* Adjusted border */
    --shadow-dark: rgba(0, 0, 0, 0.25);
    --card-bg-dark: var(--bg-secondary-dark);
    --fact-bg-dark: linear-gradient(135deg, color-mix(in srgb, var(--warning-red) 8%, var(--bg-secondary-dark)) 0%, var(--bg-secondary-dark) 70%);
    --fact-border-dark: var(--warning-red);
    --hero-title-color-dark: var(--ocean-highlight);
    --hero-bg-gradient-dark-start: color-mix(in srgb, var(--ocean-primary) 15%, var(--bg-color-dark)); /* Slightly stronger start */
    --hero-bg-gradient-dark-end: color-mix(in srgb, var(--ocean-deep) 25%, transparent);
    --footer-text-dark: var(--text-muted-dark);
    --ripple-color-dark: color-mix(in srgb, var(--ocean-secondary) 18%, transparent);
    --card-deco-color-dark: color-mix(in srgb, var(--ocean-primary) 20%, transparent);
    --card-hover-border-dark: linear-gradient(110deg, var(--ocean-highlight), var(--ocean-sky));


    /* Base Variables - Default to Light */
    --bg-color: var(--bg-color-light);
    --bg-secondary: var(--bg-secondary-light);
    --bg-footer: var(--bg-footer-light);
    --text-color: var(--text-color-light);
    --text-muted: var(--text-muted-light);
    --text-nav-link: var(--text-nav-link-light);
    --border-color: var(--border-light);
    --card-shadow: 0 8px 25px var(--shadow-light);
    --card-bg: var(--card-bg-light);
    --fact-bg: var(--fact-bg-light);
    --fact-border: var(--fact-border-light);
    --hero-title-color: var(--hero-title-color-light);
    --hero-bg-gradient-start: var(--hero-bg-gradient-light-start);
    --hero-bg-gradient-end: var(--hero-bg-gradient-light-end);
    --footer-text: var(--footer-text-light);
    --ripple-color: var(--ripple-color-light);
    --card-deco-color: var(--card-deco-color-light);
    --card-hover-border: var(--card-hover-border-light);


    /* Gradients */
    --ocean-gradient-primary: linear-gradient(110deg, var(--ocean-primary), var(--ocean-highlight));
    --ocean-gradient-secondary: linear-gradient(110deg, var(--ocean-secondary), var(--ocean-sky));
    --ocean-gradient-dark: linear-gradient(110deg, var(--ocean-deep), var(--ocean-primary));
    --ocean-gradient-text-light: linear-gradient(90deg, var(--ocean-deep), var(--ocean-primary));
    --ocean-gradient-text-dark: linear-gradient(90deg, var(--ocean-highlight), var(--ocean-sky));
    --ocean-gradient-text: var(--ocean-gradient-text-light);

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-ease: ease-in-out;
    --transition-long: 0.5s;

    /* Spacing */
    --spacing-xs: 0.35rem;
    --spacing-sm: 0.7rem;
    --spacing-md: 1.1rem;
    --spacing-lg: 1.7rem;
    --spacing-xl: 2.8rem;
    --spacing-xxl: 4.5rem;
    --navbar-height: 70px; /* Will be updated by JS */

    /* Border Radius */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 18px;
}

/* Dark Mode Variables */
body.dark {
    --bg-color: var(--bg-color-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-footer: var(--bg-footer-dark);
    --text-color: var(--text-color-dark);
    --text-muted: var(--text-muted-dark);
    --text-nav-link: var(--text-nav-link-dark);
    --border-color: var(--border-dark);
    --card-shadow: 0 10px 30px var(--shadow-dark);
    --card-bg: var(--card-bg-dark);
    --fact-bg: var(--fact-bg-dark);
    --fact-border: var(--fact-border-dark);
    --hero-title-color: var(--hero-title-color-dark);
    --hero-bg-gradient-start: var(--hero-bg-gradient-dark-start);
    --hero-bg-gradient-end: var(--hero-bg-gradient-dark-end);
    --footer-text: var(--footer-text-dark);
    --ocean-gradient-text: var(--ocean-gradient-text-dark);
    --ripple-color: var(--ripple-color-dark);
    --card-deco-color: var(--card-deco-color-dark);
    --card-hover-border: var(--card-hover-border-dark);
}

/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16.5px; /* Slightly larger base font */
    /* scroll-padding-top will be set dynamically by JS */
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.75; /* Slightly increased line height */
    transition: background-color var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease);
    overflow-x: hidden;
    position: relative;
}

/* Animated Background Effect (Subtle Gradient Shift) */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -3; /* Deepest layer */
    pointer-events: none;
    background: linear-gradient(170deg,
        color-mix(in srgb, var(--ocean-sky) 8%, var(--bg-color)) 0%,
        color-mix(in srgb, var(--ocean-foam) 12%, var(--bg-color)) 50%,
        color-mix(in srgb, var(--ocean-secondary) 7%, var(--bg-color)) 100%);
    background-size: 100% 300%;
    opacity: 0.6;
    animation: subtle-gradient-shift 50s ease-in-out infinite alternate;
    transition: background var(--transition-long) var(--transition-ease), opacity var(--transition-long) var(--transition-ease);
}

body.dark::before {
    background: linear-gradient(170deg,
        color-mix(in srgb, var(--ocean-deep) 12%, var(--bg-color-dark)) 0%,
        color-mix(in srgb, var(--ocean-primary) 18%, var(--bg-color-dark)) 50%,
        color-mix(in srgb, var(--ocean-secondary) 12%, var(--bg-color-dark)) 100%);
    background-size: 100% 300%;
    opacity: 0.5;
    animation-name: subtle-gradient-shift-dark;
}

@keyframes subtle-gradient-shift {
    0% { background-position: 0% 0%; }
    100% { background-position: 0% 100%; }
}
@keyframes subtle-gradient-shift-dark {
    0% { background-position: 0% 0%; }
    100% { background-position: 0% 100%; }
}

/* New Water Ripple Background Layer */
.water-ripple-background {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%; height: 100%;
    overflow: hidden;
    z-index: -2; /* Above body::before, below bubbles */
    pointer-events: none;
    background:
        radial-gradient(ellipse at 30% 40%, var(--ripple-color) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, var(--ripple-color) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 20%, var(--ripple-color) 0%, transparent 30%);
    background-size: 300% 300%; /* Allows movement */
    opacity: 0.3;
    animation: ripple-movement 60s linear infinite alternate;
    transition: background var(--transition-long) var(--transition-ease), opacity var(--transition-long) var(--transition-ease);
}
body.dark .water-ripple-background {
    opacity: 0.2;
}

@keyframes ripple-movement {
    0% { background-position: 0% 0%, 100% 100%, 50% 0%; }
    50% { background-position: 50% 50%, 50% 0%, 0% 100%; }
    100% { background-position: 100% 100%, 0% 0%, 100% 50%; }
}


/* Floating Bubbles - Enhanced */
.floating-bubbles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1; /* Above ripple, below content */
    pointer-events: none;
}

.floating-bubbles span {
    position: absolute;
    bottom: -60px; /* Start further below */
    width: 15px;
    height: 15px;
    background-color: color-mix(in srgb, var(--ocean-highlight) 35%, transparent);
    border-radius: 50%;
    opacity: 0;
    animation: rise 15s infinite ease-in;
    box-shadow: 0 0 8px 2px color-mix(in srgb, var(--ocean-highlight) 20%, transparent); /* Subtle glow */
    will-change: transform, opacity;
}

/* Vary size, position, delay, duration, timing */
.floating-bubbles span:nth-child(1) { left: 10%; animation-duration: 19s; width: 10px; height: 10px; animation-timing-function: linear; }
.floating-bubbles span:nth-child(2) { left: 20%; animation-duration: 15s; animation-delay: 2s; width: 22px; height: 22px; background-color: color-mix(in srgb, var(--ocean-sky) 35%, transparent); box-shadow: 0 0 10px 3px color-mix(in srgb, var(--ocean-sky) 25%, transparent); }
.floating-bubbles span:nth-child(3) { left: 35%; animation-duration: 23s; animation-delay: 5s; animation-timing-function: ease-out; }
.floating-bubbles span:nth-child(4) { left: 50%; animation-duration: 17s; animation-delay: 1s; width: 12px; height: 12px; }
.floating-bubbles span:nth-child(5) { left: 65%; animation-duration: 21s; animation-delay: 4s; background-color: color-mix(in srgb, var(--ocean-foam) 40%, transparent); box-shadow: 0 0 6px 1px color-mix(in srgb, var(--ocean-foam) 20%, transparent); }
.floating-bubbles span:nth-child(6) { left: 80%; animation-duration: 14s; animation-delay: 6s; width: 18px; height: 18px; animation-timing-function: ease-in-out; }
.floating-bubbles span:nth-child(7) { left: 90%; animation-duration: 26s; animation-delay: 3s; width: 14px; height: 14px; }
.floating-bubbles span:nth-child(8) { left: 5%; animation-duration: 18s; animation-delay: 7s; width: 8px; height: 8px; animation-timing-function: linear; }
.floating-bubbles span:nth-child(9) { left: 25%; animation-duration: 20s; animation-delay: 9s; }
.floating-bubbles span:nth-child(10){ left: 75%; animation-duration: 22s; animation-delay: 8s; width: 16px; height: 16px; background-color: color-mix(in srgb, var(--ocean-secondary) 30%, transparent); box-shadow: 0 0 9px 2px color-mix(in srgb, var(--ocean-secondary) 20%, transparent); }

body.dark .floating-bubbles span {
     background-color: color-mix(in srgb, var(--ocean-highlight) 25%, transparent);
     box-shadow: 0 0 10px 2px color-mix(in srgb, var(--ocean-highlight) 15%, transparent);
}
body.dark .floating-bubbles span:nth-child(2) { background-color: color-mix(in srgb, var(--ocean-secondary) 25%, transparent); box-shadow: 0 0 12px 3px color-mix(in srgb, var(--ocean-secondary) 20%, transparent); }
body.dark .floating-bubbles span:nth-child(5) { background-color: color-mix(in srgb, var(--ocean-primary) 20%, transparent); box-shadow: 0 0 8px 1px color-mix(in srgb, var(--ocean-primary) 15%, transparent); }

@keyframes rise {
    0% {
        transform: translateY(0) translateX(0) scale(0.9);
        opacity: 0;
    }
    10% {
        opacity: 0.4; /* Fade in quicker */
    }
    50% {
        transform: translateY(-50vh) translateX(15px) scale(1.1); /* More horizontal drift and scale variation */
        opacity: 0.7;
    }
    90% {
         opacity: 0.2; /* Fade out slower */
    }
    100% {
        transform: translateY(-110vh) translateX(-10px) scale(0.9); /* Rise well above viewport */
        opacity: 0;
    }
}


/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-color); /* Fallback */
    letter-spacing: -0.5px;
}

h1 { font-size: clamp(2.9rem, 6.5vw, 4.5rem); text-shadow: 1px 1px 4px rgba(0,0,0,0.07); } /* Slightly larger H1 */
h2 { font-size: clamp(2.3rem, 5vw, 3.3rem); margin-bottom: var(--spacing-xl); }
h3 { font-size: clamp(1.8rem, 4vw, 2.5rem); color: var(--ocean-primary); }
h4 { font-size: clamp(1.4rem, 3vw, 1.9rem); color: var(--ocean-primary); font-weight: 600; }
h5 { font-size: clamp(1.05rem, 2.5vw, 1.35rem); font-weight: 600; }
h6 { font-size: clamp(0.95rem, 2vw, 1.05rem); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); }

body.dark h3 { color: var(--ocean-highlight); }
body.dark h4 { color: var(--ocean-highlight); }
body.dark h5 { color: var(--ocean-secondary); }

/* Gradient Text Styling */
.ocean-gradient-text {
    background: var(--ocean-gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--ocean-primary); /* Fallback */
    /* Add subtle animation to gradient */
    background-size: 200% auto;
    animation: gradient-flow 8s ease infinite;
}
@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
body.dark .ocean-gradient-text {
    color: var(--ocean-highlight);
}


p {
    margin-bottom: var(--spacing-lg);
    max-width: 68ch;
    font-size: 1.08rem; /* Slightly larger p */
    color: var(--text-muted);
}
body.dark p { color: var(--text-muted-dark); }

a {
    color: var(--ocean-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed) var(--transition-ease), opacity var(--transition-speed) var(--transition-ease);
}
a:hover, a:focus {
    color: var(--ocean-highlight);
    opacity: 0.85;
    outline: none;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
body.dark a { color: var(--ocean-highlight); }
body.dark a:hover, body.dark a:focus {
    color: var(--ocean-sky);
}

ul { list-style: none; }

/* Base list style for cards etc. */
.card ul:not(.key-points-list), .fact-block ul, .solution-content ul:not(.key-points-list), .our-approach-detail ul:not(.key-points-list), .core-principles ul:not(.key-points-list) {
    margin-top: var(--spacing-md);
    padding-left: 0;
}
.card ul li:not(.key-points-list li), .fact-block ul li, .solution-content ul li:not(.key-points-list li), .our-approach-detail ul li:not(.key-points-list li), .core-principles ul li:not(.key-points-list li) {
    position: relative;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
    font-size: 1rem;
    line-height: 1.6;
}
.card ul li::before, .fact-block ul li::before, .solution-content ul li::before, .our-approach-detail ul li::before, .core-principles ul li::before {
    content: "\f138"; /* fa-angle-right */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0.15em;
    color: var(--ocean-secondary);
    transition: color var(--transition-speed) var(--transition-ease), transform 0.2s ease;
    font-size: 1.1em;
}
body.dark .card ul li::before, body.dark .fact-block ul li::before, body.dark .solution-content ul li::before, body.dark .our-approach-detail ul li::before, body.dark .core-principles ul li::before {
     color: var(--ocean-highlight);
}
/* Hover effect for list items */
.card ul li:hover::before, .fact-block ul li:hover::before, .solution-content ul li:hover::before, .our-approach-detail ul li:hover::before, .core-principles ul li:hover::before {
    transform: translateX(4px) scale(1.15);
    color: var(--ocean-primary); /* Make it brighter on hover */
}
body.dark .card ul li:hover::before, body.dark .fact-block ul li:hover::before, body.dark .solution-content ul li:hover::before, body.dark .our-approach-detail ul li:hover::before, body.dark .core-principles ul li:hover::before {
    color: var(--ocean-sky);
}

/* Specific list icons adjustments */
.fact-block ul li::before { content: "\f0a9"; color: var(--warning-red); } /* circle-right */
.fact-block ul li:hover::before { color: var(--warning-red); transform: translateX(4px) scale(1.15);} /* Keep warning color on hover */

.solution-content ul.key-points-list li::before { content: none; }
.our-approach-detail ul.key-points-list li::before { content: none; }
.core-principles ul.key-points-list li::before { content: none; }

/* Key Points List Styling (with inline icons) */
.key-points-list {
    margin-top: var(--spacing-lg);
    padding-left: 0;
}
.key-points-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    line-height: 1.6;
}
.key-points-list li i {
    color: var(--ocean-primary);
    font-size: 1.3em;
    width: 1.5em;
    text-align: center;
    flex-shrink: 0;
    margin-top: 0.1em;
    transition: transform 0.3s ease;
}
.key-points-list li:hover i {
    transform: scale(1.15) rotate(-7deg);
}
body.dark .key-points-list li i { color: var(--ocean-highlight); }


strong { font-weight: 700; }
.highlight {
    color: var(--ocean-primary);
    font-weight: 700;
}
body.dark .highlight { color: var(--ocean-highlight); }
.urgent-call .highlight, .fact-block .highlight { color: var(--warning-red); font-weight: 700; }
.hero-title .highlight-invisible {
    color: var(--warning-red);
    text-shadow: 1px 1px 5px color-mix(in srgb, var(--warning-red) 40%, transparent);
    font-weight: 700;
    /* animation: pulse-invisible 3s infinite alternate; */
}

.subtle-text {
    font-size: 0.9em;
    color: var(--text-muted);
    display: block;
    line-height: 1.5;
}

/* Added styling for focus note */
.focus-note {
    display: inline; /* Or block if needed */
    font-style: italic;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95em;
}
body.dark .focus-note {
    color: var(--text-muted-dark);
}
.focus-note::before {
    content: "[";
    margin-right: 1px;
}
.focus-note::after {
    content: "]";
    margin-left: 1px;
}


/* Container */
.container {
    width: 100%;
    max-width: 1280px; /* Wider max-width */
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Sections */
.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden; /* Keep for dividers */
}
.section-alt {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease);
    position: relative;
}
/* Add subtle texture to alt sections */
.section-alt::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: radial-gradient(color-mix(in srgb, var(--border-color) 50%, transparent) 0.5px, transparent 0.5px);
    background-size: 12px 12px; /* Slightly larger dots */
    opacity: 0.25;
    pointer-events: none;
    z-index: 0;
    transition: opacity var(--transition-speed) ease;
}
body.dark .section-alt { background-color: var(--bg-secondary-dark); }
body.dark .section-alt::before { opacity: 0.15; }


.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}
/* More decorative underline */
.section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: var(--ocean-gradient-primary);
    border-radius: 3px;
    opacity: 0.9;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--ocean-primary) 30%, transparent);
    /* Add subtle pulse */
    animation: underline-pulse 3s infinite alternate ease-in-out;
}
@keyframes underline-pulse {
    from { opacity: 0.7; transform: translateX(-50%) scaleX(0.95); }
    to { opacity: 1; transform: translateX(-50%) scaleX(1.05); }
}
body.dark .section-title::after {
    box-shadow: 0 2px 10px color-mix(in srgb, var(--ocean-highlight) 40%, transparent);
    background: var(--card-hover-border-dark); /* Match hover gradient */
}

.subsection-title {
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-lg);
    border-left: 6px solid var(--ocean-primary);
    padding-left: var(--spacing-md);
    color: var(--ocean-primary);
    font-size: clamp(1.6rem, 3.5vw, 2.1rem);
    font-weight: 700;
}
body.dark .subsection-title {
     color: var(--ocean-highlight);
     border-left-color: var(--ocean-highlight);
}
.centered-title { /* Added for centering subsection titles */
    border-left: none;
    padding-left: 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}
.centered-title::before, .centered-title::after { /* Decorative lines for centered title */
    content: '';
    height: 2px;
    width: 50px;
    background: var(--ocean-secondary);
    opacity: 0.5;
}
body.dark .centered-title::before, body.dark .centered-title::after {
     background: var(--ocean-primary);
}

.lead {
    font-size: 1.25rem; /* Larger lead */
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}
.centered-lead {
    text-align: center;
    max-width: 70ch;
    margin-left: auto;
    margin-right: auto;
}
.centered-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Main Section Visibility Control */
.main-section {
    display: none;
    opacity: 0;
    animation: sectionFadeIn 0.7s var(--transition-ease) forwards; /* Slightly slower fade */
}
.main-section.active-section {
    display: block;
}
@keyframes sectionFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}


/* Navbar */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: color-mix(in srgb, var(--bg-secondary) 88%, transparent); /* Less opaque */
    backdrop-filter: blur(20px); /* Stronger blur */
    -webkit-backdrop-filter: blur(20px);
    padding: 0;
    min-height: 65px; /* Set minimum height */
    height: auto; /* Allow height to adjust */
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07); /* Slightly stronger shadow */
}
body.dark .navbar {
    background-color: color-mix(in srgb, var(--bg-secondary-dark) 88%, transparent);
    box-shadow: 0 4px 22px rgba(0, 0, 0, 0.25);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--navbar-height); /* Use JS updated height for content alignment */
    min-height: 65px;
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) ease;
}
.logo .ocean-icon {
    font-size: 1.2em;
    line-height: 1;
    display: inline-block;
    color: var(--ocean-primary);
    transition: color var(--transition-speed) var(--transition-ease), transform 0.4s ease;
    animation: gentle-bob 4s ease-in-out infinite alternate;
}
body.dark .logo .ocean-icon { color: var(--ocean-highlight); }

@keyframes gentle-bob {
    0% { transform: translateY(0) rotate(-3deg); }
    50% { transform: translateY(-5px) rotate(4deg); } /* More movement */
    100% { transform: translateY(0px) rotate(-3deg); }
}
.logo:hover, .logo:focus {
    color: var(--ocean-primary);
    text-decoration: none;
    transform: scale(1.03);
}
.logo:hover .ocean-icon {
    transform: scale(1.15) rotate(8deg);
}
body.dark .logo:hover, body.dark .logo:focus { color: var(--ocean-highlight); }

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}
/* Default nav link color based on theme */
.nav-links .nav-link {
    color: var(--text-nav-link); /* Use theme variable */
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-xs);
    position: relative;
    transition: color var(--transition-speed) var(--transition-ease);
    letter-spacing: 0.4px;
}
.nav-links .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; /* Slightly lower */
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 0%;
    height: 3px;
    background: var(--ocean-gradient-primary);
    border-radius: 2px;
    transition: transform var(--transition-speed) cubic-bezier(0.25, 0.8, 0.25, 1),
                width var(--transition-speed) cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-origin: center;
}
.nav-links .nav-link:hover::after,
.nav-links .nav-link:focus::after,
.nav-links .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
    width: 85%; /* Slightly wider */
}
/* Active/Hover state color */
.nav-links .nav-link:hover, .nav-links .nav-link:focus, .nav-links .nav-link.active {
    color: var(--ocean-primary);
    text-decoration: none;
}
/* Dark mode active/hover color */
body.dark .nav-links .nav-link:hover, body.dark .nav-links .nav-link:focus, body.dark .nav-links .nav-link.active {
    color: var(--ocean-highlight);
}
body.dark .nav-links .nav-link::after { background: linear-gradient(110deg, var(--ocean-highlight), var(--ocean-sky)); }


.nav-dashboard-link {
    font-weight: 600;
    color: var(--white);
    background: var(--ocean-gradient-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-speed) var(--transition-ease);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--ocean-primary) 30%, transparent);
    border: 1px solid transparent;
    letter-spacing: 0.5px;
}
.nav-dashboard-link i { transition: transform var(--transition-speed) ease; }
.nav-dashboard-link .external-icon { font-size: 0.8em; opacity: 0.8; }

.nav-dashboard-link:hover, .nav-dashboard-link:focus {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 7px 20px color-mix(in srgb, var(--ocean-primary) 45%, transparent);
    color: var(--white);
    opacity: 1;
    background: var(--ocean-gradient-dark);
}
.nav-dashboard-link:hover i:not(.external-icon) { transform: rotate(-10deg) scale(1.1); }
.nav-dashboard-link::after { display: none; } /* Ensure no underline */

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    color: var(--text-muted);
    border: 2px solid var(--border-color);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
    width: 46px;
    height: 46px;
    transition: all var(--transition-speed) var(--transition-ease);
    margin-left: var(--spacing-sm); /* Add some space */
}
.theme-toggle:hover, .theme-toggle:focus {
    background-color: color-mix(in srgb, var(--ocean-secondary) 18%, transparent);
    color: var(--ocean-primary);
    border-color: var(--ocean-secondary);
    transform: scale(1.1) rotate(25deg);
    outline: none;
    box-shadow: 0 0 18px color-mix(in srgb, var(--ocean-secondary) 35%, transparent);
}
body.dark .theme-toggle { color: var(--text-muted-dark); border-color: var(--border-dark); }
body.dark .theme-toggle:hover, body.dark .theme-toggle:focus {
     background-color: color-mix(in srgb, var(--ocean-highlight) 22%, transparent);
     color: var(--ocean-highlight);
     border-color: var(--ocean-highlight);
     box-shadow: 0 0 18px color-mix(in srgb, var(--ocean-highlight) 40%, transparent);
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xxl) + var(--navbar-height)) 0 calc(var(--spacing-xxl) + 4rem);
    position: relative;
    overflow: hidden;
    background: linear-gradient(140deg, var(--hero-bg-gradient-start) 20%, var(--hero-bg-gradient-end) 90%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
/* Enhanced Ocean Overlay */
.ocean-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--ocean-foam) 10%, transparent) 0%,
        color-mix(in srgb, var(--ocean-sky) 5%, transparent) 50%,
        color-mix(in srgb, var(--ocean-primary) 8%, transparent) 100%
    );
    opacity: 0.2;
    z-index: 0; /* Behind hero content */
    pointer-events: none;
    animation: overlay-pulse 12s infinite alternate ease-in-out;
    transition: background var(--transition-long) ease, opacity var(--transition-long) ease;
}
body.dark .ocean-overlay {
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--ocean-secondary) 10%, transparent) 0%,
        color-mix(in srgb, var(--ocean-primary) 15%, transparent) 50%,
        color-mix(in srgb, var(--ocean-deep) 10%, transparent) 100%
    );
    opacity: 0.15;
}
@keyframes overlay-pulse {
    from { opacity: 0.15; }
    to { opacity: 0.3; }
}
body.dark @keyframes overlay-pulse {
     from { opacity: 0.1; }
     to { opacity: 0.2; }
}


.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--spacing-xxl); /* Increase gap */
    position: relative;
    z-index: 1;
}
.hero-title {
    margin-bottom: var(--spacing-lg);
    color: var(--hero-title-color);
}

.hero-subtitle {
    font-size: 1.4rem; /* Larger subtitle */
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: 55ch;
    line-height: 1.8;
}

/* Enhanced Hero Stat Block */
.hero-stat {
    margin: var(--spacing-xl) 0 var(--spacing-xxl) 0;
    padding: var(--spacing-lg);
    border: 1px solid transparent; /* Start transparent for gradient */
    border-image-slice: 1;
    border-width: 3px;
    border-image-source: linear-gradient(to left, var(--ocean-primary), var(--ocean-highlight));
    border-left: 0; border-right: 0; border-bottom: 0; /* Only top border gradient */
    background-color: color-mix(in srgb, var(--card-bg) 85%, transparent); /* Slightly more opaque */
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all var(--transition-speed) ease;
    will-change: transform, box-shadow;
}
.hero-stat:hover {
    transform: scale(1.03);
    box-shadow: 0 14px 40px var(--shadow-light);
    background-color: color-mix(in srgb, var(--card-bg) 95%, transparent);
}
body.dark .hero-stat {
     border-image-source: linear-gradient(to left, var(--ocean-highlight), var(--ocean-sky));
}
body.dark .hero-stat:hover {
    box-shadow: 0 16px 45px var(--shadow-dark);
    background-color: color-mix(in srgb, var(--card-bg-dark) 95%, transparent);
}

.hero-stat .stat-number {
    font-size: 3rem;
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-sm);
    background: var(--ocean-gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--ocean-primary);
    font-family: var(--font-heading);
    line-height: 1.1;
    background-size: 200% auto; /* For gradient animation */
    animation: gradient-flow 8s ease infinite 0.5s; /* Apply gradient flow */
}
.hero-stat .stat-number i {
    margin-right: var(--spacing-sm);
    font-size: 0.9em;
    color: var(--warning-red);
    -webkit-text-fill-color: var(--warning-red);
    background: none;
    animation: none; /* Remove gradient animation from icon */
}

.hero-stat p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}
.hero-stat strong.highlight { color: var(--ocean-primary); }
body.dark .hero-stat strong.highlight { color: var(--ocean-highlight); }

.hero-cta-buttons {
    margin-top: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.hero-cta { margin: 0; }

/* Hero Image Container for Parallax */
.hero-image {
    text-align: center;
    position: relative;
}
.hero-image-container {
    position: relative;
    display: inline-block; /* Allows centering */
    perspective: 1000px; /* Add perspective for 3D hover */
}
.hero-stat-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 45px var(--shadow-light);
    transition: transform var(--transition-long) cubic-bezier(0.175, 0.885, 0.32, 1.275),
                box-shadow var(--transition-long) cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 6px solid var(--bg-secondary);
    will-change: transform, box-shadow;
    display: block; /* Ensure it behaves like a block element */
}
body.dark .hero-stat-image {
    box-shadow: 0 18px 50px var(--shadow-dark);
    border-color: var(--bg-secondary-dark);
}
/* Removed hover effect from .hero-image:hover, applied via JS to .hero-stat-image */

/* Decorative elements for hero image */
.hero-deco {
    position: absolute;
    font-size: 2rem;
    opacity: 0.2;
    color: var(--ocean-secondary);
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Match image transition */
    will-change: transform;
}
.hero-deco.deco-1 {
    top: 10%;
    left: -5%;
}
.hero-deco.deco-2 {
    bottom: 5%;
    right: -8%;
    font-size: 1.5rem;
    opacity: 0.15;
}
body.dark .hero-deco { color: var(--ocean-highlight); }


/* Wave Dividers */
.wave-divider-bottom, .wave-divider-top {
    position: absolute;
    left: 0;
    width: 100%;
    overflow: hidden;
    z-index: 5;
    pointer-events: none;
    line-height: 0;
    /* Add subtle animation */
    animation: wave-undulate 10s infinite alternate ease-in-out;
}
.wave-divider-bottom { bottom: -1px; height: 120px; animation-delay: 0.5s; }
.wave-divider-top { top: -1px; height: 80px; transform: scaleX(-1); } /* Flip horizontally */

@keyframes wave-undulate {
    from { transform: translateY(0) scaleX(var(--wave-scale, 1)); } /* Use variable for top wave flip */
    to { transform: translateY(3px) scaleX(var(--wave-scale, 1)); }
}
.wave-divider-top { --wave-scale: -1; } /* Set variable for top wave */

.wave-divider-bottom svg, .wave-divider-top svg {
    display: block;
    width: calc(100% + 1.3px);
    height: 100%;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}
.wave-divider-bottom path, .wave-divider-top path {
    transition: fill var(--transition-speed) var(--transition-ease);
    /* Fill set by JS */
}

/* Cards */
.card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-long) var(--transition-ease), /* Slower transform */
                box-shadow var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease),
                background var(--transition-speed) var(--transition-ease);
    overflow: hidden;
    position: relative;
    height: 100%; /* Make cards fill grid height */
    display: flex;
    flex-direction: column;
    will-change: transform, box-shadow;
}
/* Card Hover Effects */
.card:hover {
    transform: translateY(-12px) translateX(4px) scale(1.02); /* Add subtle sideways drift */
    box-shadow: 0 20px 55px var(--shadow-light); /* Stronger shadow */
    border-color: transparent; /* Hide solid border */
    background: linear-gradient(var(--card-bg), var(--card-bg)) padding-box,
                 var(--card-hover-border) border-box; /* Use gradient border */
    border-width: 2px;
    border-style: solid;
}
body.dark .card:hover {
     box-shadow: 0 22px 65px var(--shadow-dark);
}

/* Subtle moving decorative element in cards */
.card-deco {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 4rem;
    color: var(--card-deco-color);
    opacity: 0.6;
    z-index: 0;
    transform: rotate(-15deg);
    transition: transform 0.5s ease-out, opacity 0.5s ease;
    pointer-events: none;
}
.card:hover .card-deco {
    transform: rotate(5deg) scale(1.1);
    opacity: 0.8;
}


/* Why Data Matters Grid */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); /* Slightly larger min */
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    align-items: stretch; /* Ensure cards have same height in a row */
}
.impact-card {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    z-index: 1; /* Ensure content is above card deco */
}
.impact-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: inline-block;
    position: relative;
    color: var(--ocean-primary); /* Ensure color */
    transition: transform 0.3s ease;
}
body.dark .impact-card-icon { color: var(--ocean-highlight); }
.impact-card:hover .impact-card-icon {
    transform: scale(1.15) rotate(-5deg);
}

.impact-card-icon::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 75px; height: 75px; /* Slightly larger */
    background: color-mix(in srgb, var(--ocean-sky) 18%, transparent);
    border-radius: 50%;
    z-index: -1;
    transition: transform 0.3s ease, background-color 0.3s ease;
}
.impact-card:hover .impact-card-icon::after {
    transform: translate(-50%, -50%) scale(1.2);
    background: color-mix(in srgb, var(--ocean-sky) 28%, transparent);
}
body.dark .impact-card-icon::after { background: color-mix(in srgb, var(--ocean-primary) 22%, transparent); }
body.dark .impact-card:hover .impact-card-icon::after { background: color-mix(in srgb, var(--ocean-primary) 33%, transparent); }

.impact-card h4 { margin-bottom: var(--spacing-md); color: var(--text-color); font-size: 1.5rem; } /* Ensure heading color */
.impact-card p { font-size: 0.95rem; max-width: 40ch; margin-left: auto; margin-right: auto; flex-grow: 1; /* Allow text to push footer down */ }

/* Quote Block */
.quote-block {
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    background: var(--ocean-gradient-secondary);
    color: color-mix(in srgb, var(--ocean-deep) 90%, black);
    border: none;
    border-radius: var(--border-radius-lg);
}
body.dark .quote-block {
    background: linear-gradient(110deg, var(--ocean-primary), var(--ocean-secondary));
    color: var(--text-color-dark);
}
.quote-icon {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    font-size: 3rem;
    opacity: 0.2;
    color: inherit;
}
.quote-block blockquote {
    font-size: 1.45rem; /* Slightly larger quote */
    font-style: italic;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    max-width: 50ch;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}
.quote-block cite {
    font-style: normal;
    font-weight: 700;
    font-family: var(--font-heading);
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 1rem;
    opacity: 0.9;
}

/* Fact Block - Urgent Data */
.fact-block {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl); /* Add margin below */
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    background: var(--fact-bg);
    border: 2px solid var(--fact-border);
    box-shadow: 0 12px 35px var(--shadow-light);
    border-left: 10px solid var(--warning-red);
    position: relative;
    overflow: hidden;
}
body.dark .fact-block {
     box-shadow: 0 15px 40px var(--shadow-dark);
     border-width: 1px;
     border-left-width: 10px;
}
.fact-block::after {
    content: "\f071";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-lg);
    font-size: 5.5rem; /* Larger icon */
    color: var(--warning-red);
    opacity: 0.08; /* More subtle */
    z-index: 0;
    transform: rotate(-15deg);
    transition: opacity var(--transition-speed) ease;
}
body.dark .fact-block::after { opacity: 0.12; }

.fact-block h3 {
    font-size: 2rem;
    color: var(--warning-red);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.fact-block h3 i { font-size: 1.3em; line-height: 1; }

.fact-block ul { position: relative; z-index: 1; }
.fact-block li {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
}
.fact-block li::before { top: 0.2em; font-size: 1.1em; }
.fact-block li a {
    font-size: 0.8rem;
    font-weight: 400;
    margin-left: var(--spacing-sm);
    color: var(--text-muted);
    text-decoration: underline;
    text-decoration-style: dashed;
    word-break: break-word;
    transition: color 0.2s ease;
}
.fact-block li a:hover { color: var(--ocean-primary); text-decoration: underline solid; }
body.dark .fact-block li a:hover { color: var(--ocean-highlight); }

.urgent-call {
    margin-top: var(--spacing-xl);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    color: var(--warning-red);
    padding-top: var(--spacing-lg);
    border-top: 2px dashed color-mix(in srgb, var(--warning-red) 50%, transparent);
    position: relative;
    z-index: 1;
}

/* Wildlife Impact Section & Gallery */
.wildlife-impact-section {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
    border-top: 1px dashed var(--border-color);
}
.heartbreak-quote {
    font-style: italic;
    color: var(--text-muted);
    max-width: 60ch;
    margin-bottom: var(--spacing-xl);
}
body.dark .heartbreak-quote {
    color: var(--text-muted-dark);
}

.wildlife-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}
.wildlife-item {
    padding: var(--spacing-sm); /* Less padding for image cards */
    text-align: center;
    background-color: var(--card-bg); /* Ensure bg color */
}
.wildlife-item img {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover; /* Cover to fill space, might crop */
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.wildlife-item:hover img {
    transform: scale(1.05);
    box-shadow: 0 8px 20px var(--shadow-light);
}
body.dark .wildlife-item:hover img {
    box-shadow: 0 8px 20px var(--shadow-dark);
}
.wildlife-item figcaption {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0 var(--spacing-sm);
}


/* Ocean Visual Divider - Enhanced Animations */
.ocean-visual-divider {
    text-align: center;
    margin: var(--spacing-xxl) auto 0;
    font-size: 2.8rem; /* Larger icons */
    color: var(--ocean-secondary);
    opacity: 0.7; /* Slightly more visible */
    display: flex;
    justify-content: center;
    align-items: center; /* Align items vertically */
    gap: var(--spacing-xl);
    flex-wrap: wrap; /* Allow wrap on small screens */
}
body.dark .ocean-visual-divider { color: var(--ocean-highlight); }
.ocean-visual-divider i {
    transition: transform 0.4s ease;
}
.ocean-visual-divider i:hover {
    transform: scale(1.2) rotate(5deg);
}
/* Specific animations */
.ocean-visual-divider .fa-shrimp {
    animation: swim-gentle 6s ease-in-out infinite alternate;
}
.ocean-visual-divider .fa-whale {
     animation: swim-gentle 8s ease-in-out infinite alternate 0.5s;
     font-size: 1.2em; /* Make whale slightly larger */
}
@keyframes swim-gentle {
    0% { transform: translateY(0) translateX(0) rotate(-3deg); }
    50% { transform: translateY(-8px) translateX(5px) rotate(4deg); }
    100% { transform: translateY(0px) translateX(0) rotate(-3deg); }
}


/* Detection Challenge Section - Layout Fix */
.challenge-wrapper {
    display: grid;
    /* Adjust minmax slightly if needed, or keep as is */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    background-color: color-mix(in srgb, var(--bg-color) 50%, transparent);
    border-radius: var(--border-radius-lg);
    align-items: stretch; /* Ensure items have same height in row */
}
.challenge-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg); /* Consistent padding */
    border-bottom: 1px solid var(--border-color);
    /* Removed background/border from item, handled by wrapper card */
}
.challenge-wrapper .challenge-item:last-child { border-bottom: none; }

.challenge-icon {
    font-size: 2.5rem;
    color: var(--ocean-primary);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
    width: 50px;
    text-align: center;
    transition: transform 0.3s ease;
}
.challenge-item:hover .challenge-icon {
    transform: scale(1.1);
}
body.dark .challenge-icon { color: var(--ocean-highlight); }

.challenge-text h4 {
    font-size: 1.25rem; /* Slightly larger */
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}
.challenge-text p {
    font-size: 0.9rem;
    margin-bottom: 0;
    line-height: 1.6;
    color: var(--text-muted); /* Ensure correct color */
}

/* About Section specifics */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    align-items: stretch; /* Ensure cards have same height */
}
.about-card {
    padding: var(--spacing-xl);
    text-align: center;
    z-index: 1; /* Ensure content above deco */
}
.about-icon {
    font-size: 3.2rem; /* Larger icon */
    margin-bottom: var(--spacing-lg);
    color: var(--ocean-primary);
    display: inline-block;
    transition: transform 0.4s ease;
}
.about-card:hover .about-icon {
    transform: scale(1.1) rotate(5deg);
}
body.dark .about-icon { color: var(--ocean-highlight); }
.about-card h4 { margin-bottom: var(--spacing-md); font-size: 1.55rem; color: var(--text-color); }
.about-card p { font-size: 1rem; max-width: 45ch; margin-left: auto; margin-right: auto; flex-grow: 1; }


/* Our Approach / Solutions Steps */
.solution-step {
    margin-bottom: var(--spacing-xl);
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--spacing-xxl);
    align-items: center;
    padding: var(--spacing-xl);
    z-index: 1; /* Above card deco */
}
/* Alternate layout */
.solution-step:nth-child(even) {
    grid-template-columns: 1.2fr 0.8fr;
}
.solution-step:nth-child(even) .solution-image { order: 2; }
.solution-step:nth-child(even) .solution-content { order: 1; }

.solution-image { text-align: center; }
.solution-image img {
    width: 100%;
    max-width: 450px;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    display: block;
    margin: 0 auto;
     filter: drop-shadow(0 8px 25px var(--shadow-light));
     transition: transform var(--transition-long) ease, filter var(--transition-long) ease;
     will-change: transform, filter;
}
.solution-step:hover .solution-image img {
    transform: scale(1.07); /* Slightly more scale */
    filter: drop-shadow(0 14px 40px var(--shadow-light));
}
body.dark .solution-image img { filter: drop-shadow(0 8px 25px var(--shadow-dark)); }
body.dark .solution-step:hover .solution-image img { filter: drop-shadow(0 14px 40px var(--shadow-dark)); }


.solution-content { padding: 0; }
.solution-content h3 {
    font-size: clamp(2rem, 4.5vw, 2.7rem);
    color: var(--ocean-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
body.dark .solution-content h3 { color: var(--ocean-highlight); }
.solution-content h3 i { font-size: 1.2em; line-height: 1;}
.solution-content > p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 60ch;
}


/* Workflow & Team / Principles Details */
.our-approach-detail, .core-principles {
     margin: var(--spacing-xl) 0;
     padding: var(--spacing-xl);
     z-index: 1; /* Above deco */
}
.our-approach-detail h4, .core-principles h4 {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.6rem;
}
.our-approach-detail h4 i, .core-principles h4 i { font-size: 1.5em; color: var(--ocean-primary); }
body.dark .our-approach-detail h4 i, body.dark .core-principles h4 i { color: var(--ocean-highlight); }

.team-tech-info {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px dashed var(--border-color);
}
.team-tech-info h5 {
    margin-bottom: var(--spacing-md);
    color: var(--ocean-secondary);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
body.dark .team-tech-info h5 { color: var(--ocean-highlight); }
.team-tech-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    padding-left: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.team-tech-info p i.fab, .team-tech-info p i.fas {
     font-size: 1.3em;
     vertical-align: middle;
     width: 20px;
     text-align: center;
     color: var(--ocean-primary);
     transition: color 0.3s ease; /* Add transition */
}
.tech-icon-gcp { color: #4285F4 !important; }
.tech-icon-cf { color: #F38020 !important; }
.tech-icon-py { color: #FFD43B !important; } /* Python Yellow */
body.dark .team-tech-info p i { color: var(--ocean-secondary); }
body.dark .tech-icon-py { color: #3776AB !important; } /* Python Blue for contrast */


/* Contact Section (Integrated into About) */
.contact-heading { margin-top: var(--spacing-xxl); }
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    align-items: stretch; /* Align height */
}
.contact-info-box, .contact-form-box {
    padding: var(--spacing-xl);
    z-index: 1; /* Above deco */
}

.contact-info-box h4 { margin-bottom: var(--spacing-lg); font-size: 1.6rem; }
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}
.contact-item i {
    color: var(--ocean-primary);
    font-size: 1.6rem;
    margin-top: 0.1em;
    width: 30px;
    text-align: center;
    flex-shrink: 0;
}
body.dark .contact-item i { color: var(--ocean-highlight); }
.contact-item div span {
    display: block;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}
.contact-item div p, .contact-item div a {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}
.contact-item div a { color: var(--ocean-primary); font-weight: 500; }
.contact-item div a:hover { color: var(--ocean-highlight); }
body.dark .contact-item div a { color: var(--ocean-highlight); }
body.dark .contact-item div a:hover { color: var(--ocean-secondary); }

.follow-heading {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-size: 0.9rem;
}
.social-links-contact {
    display: flex;
    gap: var(--spacing-xl);
}
.social-links-contact a {
    color: var(--text-muted);
    font-size: 2.2rem;
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease);
}
.social-links-contact a:hover, .social-links-contact a:focus {
    color: var(--ocean-primary);
    transform: translateY(-5px) scale(1.15);
}
body.dark .social-links-contact a { color: var(--text-muted-dark); }
body.dark .social-links-contact a:hover, body.dark .social-links-contact a:focus { color: var(--ocean-highlight); }

.contact-form-box h4 { margin-bottom: var(--spacing-lg); font-size: 1.6rem; }
.form-group { margin-bottom: var(--spacing-lg); }
.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
}
.form-control {
    width: 100%;
    padding: 1rem 1.3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease),
                background-color var(--transition-speed) var(--transition-ease); /* Added transition */
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.5;
}
body.dark .form-control { background-color: var(--bg-secondary-dark); }
.form-control:focus {
    border-color: var(--ocean-primary);
    outline: none;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--ocean-primary) 15%, transparent);
    background-color: var(--bg-secondary); /* Match secondary bg on focus */
}
body.dark .form-control:focus {
     border-color: var(--ocean-highlight);
     box-shadow: 0 0 0 4px color-mix(in srgb, var(--ocean-highlight) 20%, transparent);
     background-color: var(--bg-color-dark); /* Match darker bg on focus */
}
.form-control::placeholder { color: var(--text-muted); opacity: 0.7; }
textarea.form-control { resize: vertical; min-height: 150px; }

/* Form Status Message */
.form-status {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 500;
    display: none; /* Hidden by default */
    align-items: center;
    gap: var(--spacing-md);
    border: 1px solid transparent;
    transition: opacity 0.5s ease-in-out;
    opacity: 0;
}
.form-status i { font-size: 1.4em; line-height: 1;}

.form-status.success {
    background-color: color-mix(in srgb, var(--success-green) 15%, transparent);
    color: color-mix(in srgb, var(--success-green) 95%, black);
    border-color: color-mix(in srgb, var(--success-green) 40%, transparent);
}
.form-status.success i { color: var(--success-green); }
body.dark .form-status.success {
    background-color: color-mix(in srgb, var(--success-green) 25%, var(--bg-secondary-dark));
    color: var(--text-color-dark);
    border-color: color-mix(in srgb, var(--success-green) 50%, transparent);
}

.form-status.error {
    background-color: color-mix(in srgb, var(--warning-red) 15%, transparent);
    color: var(--warning-red);
    border-color: color-mix(in srgb, var(--warning-red) 40%, transparent);
}
.form-status.error i { color: var(--warning-red); }
body.dark .form-status.error {
    background-color: color-mix(in srgb, var(--warning-red) 25%, var(--bg-secondary-dark));
    border-color: color-mix(in srgb, var(--warning-red) 50%, transparent);
}


/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    align-items: stretch; /* Ensure card height consistency */
}
.project-card {
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1; /* Above deco */
    /* Inherits base card styles, including hover */
}
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-md);
}
.project-header h3 {
    margin-bottom: 0;
    color: var(--ocean-deep);
    font-size: 1.7rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
body.dark .project-header h3 { color: var(--ocean-highlight); }
.project-header h3 i { font-size: 1.1em; line-height: 1; }

.project-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ocean-primary);
    margin-bottom: var(--spacing-md);
}
body.dark .project-subtitle { color: var(--ocean-secondary); }

.project-status {
    font-size: 0.8rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background: var(--ocean-gradient-secondary);
    color: color-mix(in srgb, var(--ocean-deep) 85%, black);
    white-space: nowrap;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.project-status i { margin-right: 0; } /* Override default */

/* Future Concept Styling */
.future-concept { opacity: 0.85; }
.future-concept .project-header h3 { color: var(--text-muted); }
body.dark .future-concept .project-header h3 { color: var(--text-muted-dark); }
.future-concept .project-subtitle { color: var(--text-muted); }
.future-concept .project-status {
    background: color-mix(in srgb, var(--text-muted) 20%, transparent);
    color: var(--text-muted);
    box-shadow: none;
}
body.dark .future-concept .project-status {
    background: color-mix(in srgb, var(--text-muted-dark) 25%, transparent);
    color: var(--text-muted-dark);
}


.project-card > p:not(.project-subtitle) {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1; /* Allow text to push footer elements down */
}

.project-details {
    margin-top: auto; /* Push details to bottom */
    padding-top: var(--spacing-lg);
    border-top: 1px dashed var(--border-color);
}
.project-details h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 700;
}
/* Phase Mini Styling */
.phase-mini {
    border-left: 4px solid var(--ocean-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: color-mix(in srgb, var(--ocean-foam) 40%, transparent);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    transition: background-color var(--transition-speed) ease, border-left-color 0.3s ease;
}
body.dark .phase-mini {
    background-color: color-mix(in srgb, var(--ocean-primary) 10%, transparent);
    border-left-color: var(--ocean-highlight);
}
.project-card:hover .phase-mini {
     background-color: color-mix(in srgb, var(--ocean-foam) 65%, transparent);
     border-left-color: var(--ocean-primary);
}
body.dark .project-card:hover .phase-mini {
    background-color: color-mix(in srgb, var(--ocean-primary) 20%, transparent);
    border-left-color: var(--ocean-sky);
}

.phase-mini h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--ocean-primary);
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
body.dark .phase-mini h5 { color: var(--ocean-highlight); }
.phase-mini h5 i { font-size: 0.9em; opacity: 0.8; line-height: 1; }
.phase-mini p { font-size: 0.9rem; margin-bottom: 0; color: var(--text-muted); line-height: 1.5; }

.project-cta {
    margin-top: var(--spacing-lg);
    font-size: 0.95rem;
    padding: 0.7rem 1.4rem;
    align-self: flex-start;
}
.project-cta i.fa-external-link-alt { font-size: 0.85em; }

.tech-icons {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent); /* Subtle separator */
    text-align: right;
    font-size: 1.4rem;
    color: var(--text-muted);
    opacity: 0.6;
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}
.tech-icons i { margin-left: 0; transition: color 0.3s ease, transform 0.3s ease; }
.project-card:hover .tech-icons i { color: var(--ocean-secondary); transform: scale(1.1); }
body.dark .project-card:hover .tech-icons i { color: var(--ocean-highlight); }

/* Blog & Reports Section */
.blog-reports-section {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
    z-index: 1;
}
.blog-reports-section .subsection-title {
    margin-top: 0; /* Reset top margin */
    text-align: center;
    border-left: none;
    padding-left: 0;
    justify-content: center; /* Center icon and text */
}
.blog-reports-section > p { /* Lead paragraph */
    text-align: center;
    max-width: 65ch;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
}

.blog-reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}
.blog-report-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: color-mix(in srgb, var(--bg-color) 60%, transparent);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}
.blog-report-item:hover {
    background-color: color-mix(in srgb, var(--ocean-foam) 30%, transparent);
    box-shadow: 0 5px 15px var(--shadow-light);
}
body.dark .blog-report-item {
     background-color: color-mix(in srgb, var(--bg-secondary-dark) 60%, transparent);
}
body.dark .blog-report-item:hover {
    background-color: color-mix(in srgb, var(--ocean-primary) 15%, transparent);
    box-shadow: 0 5px 15px var(--shadow-dark);
}

.blog-report-item .item-icon {
    font-size: 2rem;
    color: var(--ocean-secondary);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
    opacity: 0.8;
}
body.dark .blog-report-item .item-icon { color: var(--ocean-highlight); }
.blog-report-item .item-content h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    font-size: 1.1rem;
}
.blog-report-item .item-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}
.blog-report-item .item-content .date {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.8;
    margin-top: var(--spacing-xs);
}
.read-more-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--ocean-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}
.read-more-link i { transition: transform 0.2s ease; }
.read-more-link:hover i { transform: translateX(4px); }
body.dark .read-more-link { color: var(--ocean-highlight); }


/* Collaboration Call */
.join-us {
    text-align: center;
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--ocean-gradient-dark);
    color: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 12px 35px rgba(3, 4, 94, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}
.join-us::before { /* Subtle wave texture */
    content: '';
    position: absolute;
    bottom: -30px; left: 0; right: 0;
    height: 100px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.1' d='M0,160L48,181.3C96,203,192,245,288,261.3C384,277,480,267,576,234.7C672,203,768,149,864,144C960,139,1056,181,1152,186.7C1248,192,1344,160,1392,144L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.5;
    animation: wave-slow-shift 25s linear infinite alternate;
}
@keyframes wave-slow-shift {
    from { transform: translateX(-5%); }
    to { transform: translateX(5%); }
}


.join-us h3 { color: #fff; font-size: 2.2rem; margin-bottom: var(--spacing-sm); position: relative; z-index: 1; }
.join-us h3 i { margin-right: var(--spacing-md); }
.join-us p { color: rgba(255, 255, 255, 0.95); margin-bottom: var(--spacing-lg); max-width: 65ch; margin-left: auto; margin-right: auto; font-size: 1.15rem; position: relative; z-index: 1; }
.join-us .btn.join-us-btn {
    background-color: #fff;
    color: var(--ocean-deep);
    border: 2px solid #fff;
    font-size: 1.15rem;
    padding: 1rem 2.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    position: relative; z-index: 1;
}
.join-us .btn.join-us-btn:hover {
    background-color: var(--ocean-foam);
    color: var(--ocean-deep);
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 9px 25px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.9rem 2rem;
    background: var(--ocean-gradient-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-speed) var(--transition-ease);
    border: none;
    cursor: pointer;
    text-align: center;
    font-family: var(--font-heading);
    letter-spacing: 0.6px;
    box-shadow: 0 5px 15px color-mix(in srgb, var(--ocean-primary) 35%, transparent);
    line-height: 1.5;
    position: relative;
    overflow: hidden;
    z-index: 1;
    will-change: transform, box-shadow;
}
.btn i { line-height: 1; position: relative; z-index: 2;}
.btn span { position: relative; z-index: 2;}

/* Button Hover Shine Effect */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -110%; /* Start further left */
    width: 80%; /* Narrower shine */
    height: 100%;
    background: linear-gradient(120deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.35) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    transition: left 0.6s ease; /* Slightly slower shine */
    z-index: 1;
}
.btn:hover::before {
    left: 110%; /* Move fully across */
}

.btn:hover, .btn:focus {
    background: var(--ocean-gradient-dark);
    transform: translateY(-5px) scale(1.03); /* Lift more */
    box-shadow: 0 9px 25px color-mix(in srgb, var(--ocean-deep) 45%, transparent); /* Stronger shadow */
    color: #fff;
    text-decoration: none;
    outline: none;
}
.btn:active {
     transform: translateY(-2px) scale(0.98);
     box-shadow: 0 4px 12px color-mix(in srgb, var(--ocean-deep) 30%, transparent);
}

.btn:disabled, .btn:disabled:hover {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}
.btn:disabled::before { display: none; }


.btn-secondary {
    background: transparent;
    color: var(--ocean-primary);
    border: 2px solid var(--ocean-secondary);
    box-shadow: none;
}
.btn-secondary::before { display: none; } /* No shine on secondary */

.btn-secondary:hover, .btn-secondary:focus {
    background-color: color-mix(in srgb, var(--ocean-foam) 70%, transparent); /* More opaque bg */
    border-color: var(--ocean-primary);
    color: var(--ocean-primary);
    transform: translateY(-4px);
    box-shadow: 0 7px 20px color-mix(in srgb, var(--ocean-primary) 18%, transparent);
}
body.dark .btn-secondary {
    color: var(--ocean-highlight);
    border-color: var(--ocean-secondary);
    background: transparent;
}
body.dark .btn-secondary:hover, body.dark .btn-secondary:focus {
    background-color: color-mix(in srgb, var(--ocean-highlight) 18%, transparent);
    border-color: var(--ocean-highlight);
    color: var(--ocean-highlight);
    box-shadow: 0 7px 20px color-mix(in srgb, var(--ocean-highlight) 22%, transparent);
}


/* Footer */
.footer {
    background-color: var(--bg-footer);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xxl);
    text-align: center;
    position: relative;
    transition: background-color var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease);
}
body.dark .footer { background-color: var(--bg-footer-dark); }

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 6; /* Above top wave */
}
.footer-logo {
     font-family: var(--font-heading);
     font-size: 1.7rem;
     font-weight: 700;
     color: var(--text-color);
     display: flex;
     align-items: center;
     gap: var(--spacing-sm);
     margin-bottom: var(--spacing-xs);
}
.footer-logo .ocean-icon {
    color: var(--ocean-primary);
    font-size: 1.3em;
    animation: gentle-bob 4.5s ease-in-out infinite alternate 0.5s;
}
body.dark .footer-logo .ocean-icon { color: var(--ocean-highlight); }

.footer-tagline h5 {
    color: var(--ocean-primary);
    font-weight: 700;
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}
body.dark .footer-tagline h5 { color: var(--ocean-secondary); }

.footer-socials {
    display: flex;
    gap: var(--spacing-xl);
    margin: var(--spacing-md) 0;
}
.social-icon {
    color: var(--text-muted);
    font-size: 2rem;
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease);
}
.social-icon:hover, .social-icon:focus {
    color: var(--ocean-primary);
    transform: translateY(-6px) scale(1.2);
}
body.dark .social-icon { color: var(--text-muted-dark); }
body.dark .social-icon:hover, body.dark .social-icon:focus { color: var(--ocean-highlight); }

.footer-copy p {
    color: var(--footer-text);
    font-size: 0.9rem;
    margin: 0;
}

/* Icons Helper */
.icon-primary { color: var(--ocean-primary); }
.icon-secondary { color: var(--ocean-secondary); }
.icon-accent { color: var(--ocean-deep); }
.icon-highlight { color: var(--ocean-highlight); }
.icon-warning { color: var(--warning-red); }
body.dark .icon-primary { color: var(--ocean-highlight); }
body.dark .icon-secondary { color: var(--ocean-sky); }
body.dark .icon-accent { color: var(--ocean-secondary); }
body.dark .icon-highlight { color: var(--ocean-sky); }


/* Animation Helpers */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.03); opacity: 0.9; }
}
.pulse { animation: pulse 2.8s ease-in-out infinite; }

/* Enhanced Fade-in Animation */
.fade-in-init {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.8s cubic-bezier(0.33, 1, 0.68, 1), /* Slower, smoother */
                transform 0.8s cubic-bezier(0.33, 1, 0.68, 1);
    will-change: opacity, transform;
}
.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}
/* Staggered delays */
.impact-grid .fade-in-init:nth-child(1) { transition-delay: 0.1s; }
.impact-grid .fade-in-init:nth-child(2) { transition-delay: 0.2s; }
.impact-grid .fade-in-init:nth-child(3) { transition-delay: 0.3s; }
.impact-grid .fade-in-init:nth-child(4) { transition-delay: 0.4s; }
.wildlife-gallery .fade-in-init:nth-child(odd) { transition-delay: 0.15s; }
.wildlife-gallery .fade-in-init:nth-child(even) { transition-delay: 0.3s; }
.solution-step.fade-in-init { transition-delay: 0.2s; } /* Delay whole solution steps */


/* Accessibility */
:focus-visible {
    outline: 3px solid var(--ocean-highlight);
    outline-offset: 4px;
    border-radius: var(--border-radius-sm);
}
body.dark :focus-visible { outline-color: var(--ocean-sky); }
.btn:focus-visible, .nav-link:focus-visible, .logo:focus-visible, .theme-toggle:focus-visible, .form-control:focus-visible {
    /* Use box-shadow for softer focus ring that follows border-radius */
     box-shadow: 0 0 0 4px color-mix(in srgb, var(--ocean-highlight) 30%, transparent);
     outline: none; /* Remove default outline */
}
body.dark .btn:focus-visible, body.dark .nav-link:focus-visible, body.dark .logo:focus-visible, body.dark .theme-toggle:focus-visible, body.dark .form-control:focus-visible {
     box-shadow: 0 0 0 4px color-mix(in srgb, var(--ocean-sky) 40%, transparent);
}
/* Special case for form control focus to keep border */
.form-control:focus-visible {
    border-color: var(--ocean-primary); /* Keep the border color change */
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--ocean-primary) 15%, transparent);
}
body.dark .form-control:focus-visible {
    border-color: var(--ocean-highlight);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--ocean-highlight) 20%, transparent);
}


.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border-width: 0;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    html { font-size: 16px; } /* Revert slight increase if too big */
    .hero-content { gap: var(--spacing-xl); }
    .solution-step, .solution-step:nth-child(even) { gap: var(--spacing-xl); }
}

@media (max-width: 992px) {
    .hero { min-height: auto; padding: calc(var(--spacing-xl) + var(--navbar-height)) 0 calc(var(--spacing-xl) + 3rem); }
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    .hero-text { order: 2; }
    .hero-image { order: 1; margin-bottom: var(--spacing-xl); max-width: 500px; margin-left: auto; margin-right: auto; }
    .hero-subtitle { max-width: 60ch; margin-left: auto; margin-right: auto; }
    .hero-stat {
        margin: var(--spacing-lg) auto var(--spacing-xl) auto;
        text-align: center;
        max-width: 500px;
        border-image: none; /* Remove gradient border */
        border-width: 1px; /* Use regular border */
        border-color: var(--border-color); /* Use theme border color */
        border-top: 5px solid var(--ocean-primary); /* Keep colored top border */
    }
    body.dark .hero-stat { border-top-color: var(--ocean-highlight); border-color: var(--border-dark);}
    .hero-cta-buttons { justify-content: center; }

    .solution-step,
    .solution-step:nth-child(even) {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .solution-step .solution-image,
    .solution-step:nth-child(even) .solution-image {
        order: 1;
        margin-bottom: var(--spacing-lg);
        max-width: 400px;
    }
     .solution-step .solution-content,
     .solution-step:nth-child(even) .solution-content {
        order: 2;
    }
    .solution-content > p { margin-left: auto; margin-right: auto; }
    .solution-content h3 { justify-content: center; }

    .contact-wrapper { grid-template-columns: 1fr; gap: var(--spacing-xl); }
}

@media (max-width: 768px) {
    html { font-size: 15.5px; }
    /* Allow navbar height to be auto based on content */
    :root { --navbar-height: auto; }
     .navbar {
         height: auto; /* Let content determine height */
         min-height: 65px;
         padding: var(--spacing-sm) 0;
     }
     .nav-content {
         height: auto; /* Adjust content height */
         flex-wrap: wrap;
         justify-content: space-between; /* Keep space between logo and toggle */
         gap: var(--spacing-sm) 0; /* Vertical gap only */
         padding: 0 var(--spacing-md); /* Add horizontal padding here */
     }
     .container { padding: 0 var(--spacing-md); } /* Use container padding consistently */
     .nav-content .container { padding: 0; } /* Remove padding from nested container */

     .logo {
         width: auto;
         flex-grow: 0; /* Don't let logo grow excessively */
         margin-right: auto; /* Push toggle to the right */
     }
     .theme-toggle {
         order: 2; /* Keep toggle on the right */
         margin-left: var(--spacing-md);
     }
     .nav-links {
        order: 3; /* Links below */
        width: 100%;
        justify-content: center; /* Center links */
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
        gap: var(--spacing-md); /* Adjust gap */
        flex-wrap: wrap;
    }
     .nav-dashboard-link {
        /* Decide if dashboard link goes full width or stays inline */
        /* Option 1: Inline with others */
         /* order: 1; remove order if needed */
         padding: var(--spacing-sm) var(--spacing-md);
         font-size: 0.95rem;
         /* Option 2: Full width */
         /* width: 100%; justify-content: center; margin-top: var(--spacing-sm); */
     }


    h1 { font-size: clamp(2.5rem, 8vw, 3.8rem); }
    h2 { font-size: clamp(2rem, 6vw, 2.9rem); }

    .section { padding: var(--spacing-xl) 0; }
    .fact-block { padding: var(--spacing-lg); }
    .fact-block li { font-size: 1rem; }
    .impact-grid, .challenge-wrapper, .wildlife-gallery, .project-grid, .blog-reports-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    .wildlife-item img { height: 200px; } /* Adjust gallery image height */

    .footer { margin-top: var(--spacing-xl); }

    .wave-divider-bottom { height: 80px; } /* Reduce wave height */
    .wave-divider-top { height: 60px; }

}

@media (max-width: 576px) {
    html { font-size: 15px; }
    .container { padding: 0 var(--spacing-md); }

    .hero { padding-top: calc(var(--spacing-xl) + 80px); /* Approx height after potential nav wrap */ }
    .hero-subtitle { font-size: 1.2rem; }
    .hero-stat .stat-number { font-size: 2.6rem; }

    .btn { padding: 0.8rem 1.6rem; font-size: 1rem; }
    .hero-cta-buttons { flex-direction: column; align-items: center; }
    .hero-cta { width: 90%; max-width: 350px; }

    .footer-socials { gap: var(--spacing-lg); }
    .social-icon { font-size: 1.8rem; }

    .fact-block h3 { font-size: 1.7rem; }
    .fact-block::after { font-size: 3.5rem; opacity: 0.06; }

    .quote-block blockquote { font-size: 1.2rem; }

    /* Adjust nav link padding for smaller screens */
    .nav-links .nav-link { padding: var(--spacing-sm) var(--spacing-xs); }
}