/* ===================================
   DESIGN SYSTEM & CSS VARIABLES
   =================================== */
:root {
    /* Color Palette - Premium Dark Mode */
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #111827;
    --color-bg-tertiary: #1a2332;
    --color-bg-elevated: #1e293b;

    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(148, 163, 184, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);

    /* Behavioral Colors */
    --color-resting: #E69F00;
    --color-foraging: #10B981;
    --color-movement: #56B4E9;
    --color-sleeping: #999999;
    --color-bounce: #E41A1C;

    /* Text Colors */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-muted: #64748b;

    /* Accent Colors */
    --color-accent-primary: #667eea;
    --color-accent-secondary: #764ba2;
    --color-accent-tertiary: #4facfe;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Light Theme Overrides */
[data-theme="light"] {
    --color-bg-primary: #f8fafc;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-elevated: #e2e8f0;

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(148, 163, 184, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(148, 163, 184, 0.15);

    --color-text-primary: #0f172a;
    --color-text-secondary: #334155;
    --color-text-tertiary: #64748b;
    --color-text-muted: #94a3b8;

    --color-accent-primary: #4f46e5;
    --color-accent-secondary: #7c3aed;

    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.theme-toggle {
    background: var(--color-bg-elevated);
    border: 1px solid var(--glass-border);
    color: var(--color-text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    transform: rotate(15deg) scale(1.1);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-md);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke-width: 2;
    color: var(--color-accent-primary);
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(102, 126, 234, 0.1);
}

.nav-link.active {
    color: var(--color-text-primary);
    background: var(--gradient-primary);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    overflow: hidden;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.4;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(79, 172, 254, 0.08) 0%, transparent 60%);
    filter: blur(60px);
    animation: pulse 12s ease-in-out infinite;
    z-index: 0;
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.2;
    filter: blur(2px);
    animation: float-around var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
}

@keyframes float-around {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(30px, -50px) rotate(120deg);
    }

    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-text-tertiary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    z-index: 10;
    opacity: 0.4;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-indicator:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
    color: var(--color-text-primary);
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 6px;
    background: var(--gradient-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% {
        transform: translate(-50%, 0);
        opacity: 0;
    }

    30% {
        transform: translate(-50%, 0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, 14px);
        opacity: 0;
    }
}

.arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: -4px;
}

.arrows span {
    display: block;
    width: 8px;
    height: 8px;
    border-bottom: 2px solid var(--glass-border);
    border-right: 2px solid var(--glass-border);
    transform: rotate(45deg);
    margin: -3px;
    animation: arrow-down 2s infinite;
}

.arrows span:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes arrow-down {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-5px, -5px);
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: rotate(45deg) translate(5px, 5px);
    }
}

.hero-content {
    position: relative;
    max-width: 1200px;
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* ===================================
   SECTIONS
   =================================== */
.section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    position: relative;
}

.section-dark {
    background: var(--color-bg-secondary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
}

/* ===================================
   OVERVIEW CARDS
   =================================== */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.overview-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.overview-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(102, 126, 234, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.card-icon {
    width: 48px;
    height: 48px;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.card-icon svg {
    width: 100%;
    height: 100%;
    stroke: white;
    stroke-width: 2;
}

.overview-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.overview-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   FINDINGS
   =================================== */
.findings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.finding-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.finding-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.finding-card:hover::before {
    transform: scaleX(1);
}

.finding-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.finding-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.3));
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

/* Animations for Research Framework */
.research-grid .finding-card {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid transparent;
}

.research-grid .finding-card:nth-child(1) {
    animation-delay: 0.1s;
}

.research-grid .finding-card:nth-child(2) {
    animation-delay: 0.3s;
}

.research-grid .finding-card:nth-child(3) {
    animation-delay: 0.5s;
}

.research-grid .finding-card:nth-child(4) {
    animation-delay: 0.7s;
}

.research-grid .finding-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-tertiary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(102, 126, 234, 0.1);
}

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rq-text {
    font-style: italic;
    color: var(--color-text-primary) !important;
    margin-bottom: var(--spacing-lg) !important;
    font-size: 1rem;
    border-left: 3px solid var(--color-accent-tertiary);
    padding-left: var(--spacing-md);
}

.prediction-box {
    text-align: left;
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.prediction-box strong {
    display: block;
    color: var(--color-accent-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.prediction-box ul {
    list-style: none;
    padding: 0;
}

.prediction-box li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-tertiary);
}

.prediction-box li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent-tertiary);
}

.finding-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.finding-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   FEATURES
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.feature-preview {
    width: 100%;
    height: 200px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    position: relative;
}

.preview-animation {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(102, 126, 234, 0.1) 50%, transparent 70%);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.trajectory-preview {
    background: radial-gradient(circle at 30% 30%, var(--color-foraging) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, var(--color-movement) 0%, transparent 40%);
    animation: trajectory-move 4s ease-in-out infinite;
}

@keyframes trajectory-move {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(10px, -10px);
    }
}

.heatmap-preview {
    background: radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.3) 0%, transparent 60%);
    animation: heatmap-pulse 3s ease-in-out infinite;
}

@keyframes heatmap-pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

.stats-preview {
    background: repeating-linear-gradient(90deg,
            rgba(102, 126, 234, 0.1) 0px,
            rgba(102, 126, 234, 0.1) 20px,
            transparent 20px,
            transparent 40px);
    animation: stats-scroll 2s linear infinite;
}

/* Feature Preview Images */
.feature-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    height: 100%;
}

.feature-image-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.feature-image-grid img:hover {
    transform: scale(1.1);
    z-index: 1;
}

.feature-full-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-base);
}

.feature-card:hover .feature-full-img {
    transform: scale(1.05);
}

@keyframes stats-scroll {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 40px 0;
    }
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-link {
    color: var(--color-accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature-link:hover {
    color: var(--color-accent-secondary);
    transform: translateX(4px);
}

/* ===================================
   ELEPHANT PROFILES
   =================================== */
.elephant-grid {
    display: none;
    /* Replaced by new layout below */
}

/* New 3-Column Layout */
.elephant-profile-overview {
    display: grid;
    grid-template-columns: 350px 1fr 350px;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-top: var(--spacing-2xl);
}

.elephant-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.study-area-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
}

.study-area-images {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.study-area-img-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--color-bg-tertiary);
    transition: transform var(--transition-base);
}

.study-area-img-container:hover {
    transform: scale(1.02);
    border-color: rgba(102, 126, 234, 0.3);
}

.study-area-img-container img {
    width: 100%;
    display: block;
    object-fit: contain;
}

.study-area-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    text-align: justify;
}

.column-header {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.elephant-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    cursor: pointer;
}

.elephant-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(102, 126, 234, 0.3);
}

.elephant-image {
    width: 100%;
    height: 200px;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.elephant-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.elephant-card:hover .elephant-image img {
    transform: scale(1.05);
}

.elephant-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.elephant-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.data-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-badge.complete {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.elephant-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
}

.mini-stat {
    display: flex;
    flex-direction: column;
}

.mini-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.mini-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.elephant-desc {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.footer-section p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-accent-primary);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .nav-menu {
        gap: var(--spacing-xs);
        overflow-x: auto;
        padding-bottom: var(--spacing-xs);
        width: 100%;
        justify-content: center;
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        white-space: nowrap;
        font-size: 0.8rem;
    }

    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero {
        min-height: 80vh;
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .overview-grid,
    .findings-grid,
    .features-grid,
    .elephant-grid {
        grid-template-columns: 1fr;
    }

    .elephant-profile-overview {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .study-area-column {
        order: -1;
        padding: var(--spacing-xl);
    }

    .stat-value {
        font-size: 2rem;
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

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

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

/* ===================================
   ELEPHANT GENDER STYLES
   =================================== */
/* Males (Red) - E1, E2, E6 */
.elephant-btn.male {
    border-color: rgba(239, 68, 68, 0.4) !important;
    color: #fca5a5 !important;
}

.elephant-btn.male:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    border-color: rgba(239, 68, 68, 0.6) !important;
    color: #fee2e2 !important;
}

.elephant-btn.male.active {
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%) !important;
    border-color: transparent !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4) !important;
}

.elephant-card.male {
    border-color: rgba(239, 68, 68, 0.3) !important;
}

.elephant-card.male:hover {
    border-color: rgba(239, 68, 68, 0.6) !important;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2) !important;
}

/* Females (Yellow) - E3, E4, E5 */
.elephant-btn.female {
    border-color: rgba(245, 158, 11, 0.4) !important;
    color: #fcd34d !important;
}

.female-btn.female:hover,
.elephant-btn.female:hover {
    background: rgba(245, 158, 11, 0.1) !important;
    border-color: rgba(245, 158, 11, 0.6) !important;
    color: #fef3c7 !important;
}

.elephant-btn.female.active {
    background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%) !important;
    border-color: transparent !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4) !important;
}

.elephant-card.female {
    border-color: rgba(245, 158, 11, 0.3) !important;
}

.elephant-card.female:hover {
    border-color: rgba(245, 158, 11, 0.6) !important;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.2) !important;
}

/* Study Timeline */
.timeline-section {
    padding: var(--spacing-3xl) 0;
}

.timeline-wrapper {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
}

.timeline-wrapper::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--gradient-primary);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--color-bg-primary);
    border: 4px solid var(--color-accent-primary);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 10px var(--color-accent-primary);
}

.left {
    left: 0;
    text-align: right;
}

.right {
    left: 50%;
}

.right::after {
    left: -10px;
}

.timeline-content {
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    position: relative;
    border-radius: var(--radius-lg);
}

.timeline-date {
    font-family: var(--font-family-mono);
    color: var(--color-accent-tertiary);
    font-weight: bold;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-content h3 {
    margin-top: 0;
    font-size: 1.125rem;
}

@media screen and (max-width: 600px) {
    .timeline-wrapper::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item::after {
        left: 21px;
    }

    .left,
    .right {
        left: 0;
        text-align: left;
    }
}

/* Shine Hover Animation */
.stat-card,
.overview-card,
.finding-card,
.feature-card,
.elephant-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before,
.overview-card::before,
.feature-card::before,
.elephant-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.08),
            transparent);
    transition: 0.6s;
    pointer-events: none;
    z-index: 1;
}

.stat-card:hover::before,
.overview-card:hover::before,
.feature-card:hover::before,
.elephant-card:hover::before {
    left: 150%;
}

/* Global Responsive Fixes */
@media (max-width: 992px) {

    .overview-grid,
    .findings-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .nav-menu {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 5px;
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .overview-grid,
    .findings-grid,
    .feature-grid,
    .elephant-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.5rem !important;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg) !important;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }
}

/* Glossary & Tooltips */
.glossary-term {
    border-bottom: 1px dashed var(--color-accent-primary);
    cursor: help;
    position: relative;
    display: inline-block;
}

.tooltip {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
    width: 250px;
    font-size: 0.8125rem;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--glass-border) transparent transparent transparent;
}

.glossary-term:hover .tooltip {
    opacity: 1;
    pointer-events: all;
    bottom: 140%;
}

/* High-Resolution / Large Screen Optimization */
@media (min-width: 1800px) {

    .container,
    .nav-container,
    .ghost-fence-container {
        max-width: 1600px;
    }

    html {
        font-size: 18px;
    }
}