* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background:
                radial-gradient(circle at top, rgba(225,225,225,0.75), transparent 30%),
                linear-gradient(135deg, #f8f3ea 0%, #edf4df 50%, #e2eedc 100%);
            color: #1f2d22;
            margin: 0;
            font-family: Arial, sans-serif;
            line-height: 1.6;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(119, 168, 95, 0.12), transparent 25%);
            pointer-events: none;
            z-index: 0;
        }

        nav, section, main, .container, .bird-card, .species-card, .feature, .info-box {
            position: relative;
            z-index: 1;
        }

        /* Navigation */
        nav {
            background: #2d5016;
            padding: 0 20px;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        }

        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            min-height: 64px;
        }

        .logo {
            color: white;
            font-size: 1.5em;
            font-weight: 800;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-img {
            width: 32px;
            height: 32px;
            vertical-align: middle;
            margin-right: 8px;
            display: inline-block;
            object-fit: contain;
            transition: transform 0.25s ease, filter 0.25s ease;
            transform-origin: center;
        }

       .logo:hover .logo-img,
       .logo.is-flapping .logo-img {
        filter: drop-shadow(0 0 8px rgba(225, 215, 0, 0.35));
       }

       .logo.is-flapping .logo-img {
        animation: logo-wing-flap 0.42s ease-in-out 2 alternate;
       }

       @keyframes logo-wing-flap {
        0% { transform: rotate(0deg) scale(1); }
        25% { transform: rotate(-12deg) scale(1.06); }
        50% { transform: rotate(14deg) scale(1.1); }
        75% { transform: rotate(-8deg) scale(1.04); }
        100% { transform: rotate(0deg) scale(1); }
       }

        .logo span {
            color: #ffd700;
        }

        a {
            text-decoration: none;
        }

        section {
            max-width: 1200;
            margin: 0 auto;
            padding: 30px 20px;
        }

        .bird-card,
        .species-card,
        .feature,
        .info-box {
            background: rgba(225,225,225,0.72);
            border: 1px solid rgba(25, 40, 30, 0.08);
            border-radius: 18px;
            box-shadow: 0 8px 25px rgba(25, 40, 30, 0.08);
        }

        img:not(.logo-img) {
            display: block;
            width: 100%;
            border-radius: 14px;
            object-fit: cover;
        }

        h1, h2, h3, h4 {
            color: #20342b;
            line-height: 1.2;
        }

        .nav-tools {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 20px;
            flex-wrap: nowrap;
        }

        .nav-links {
            display: flex;
            margin-left: auto;
            gap: 4px;
            list-style: none;
            border-radius: 10px;
            padding: 3px;
            border: 3px solid rgba(96, 165, 250, 0.9);
            box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.35);
            background: linear-gradient(180deg, #f4d35e 0%, #d4a72c 100%);
        }

        .nav-links a {
            color: #1f2d3d;
            text-decoration: none;
            padding: 7px 12px;
            border-radius: 8px;
            font-size: 0.95em;
            font-weight: 700;
            transition: all 0.2s;
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255,255,255,0.15);
            color: white;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .hamburger span {
            width: 26px;
            height: 3px;
            background: white;
            border-radius: 2px;
            transition: 0.3s;
        }

        .search-wrapper {
            position: relative;
        }

        .search-icon {
            background: none;
            border: none;
            font-size: 1.2em;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.2s;
            color: white;
            line-height: 1;
        }

        .search-icon:hover {
            background: rgba(255,255,255,0.15);
        }

        .search-box {
            display: none;
            position: absolute;
            top: 0;
            right: 40px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
            overflow: hidden;
            z-index: 1001;
            animation: fadeIn 0.2s ease;
        }

        .search-box.open {
            display: flex;
        }

        .search-box input {
            border: none;
            outline: none;
            padding: 12px 16px;
            font-size: 1em;
            font-family: inherit;
            width: 280px;
            color: #333;
        }

        .search-close {
            background: none;
            border: none;
            padding: 12px 14px;
            font-size: 1em;
            cursor: pointer;
            color: #999;
            transition: color 0.2s;
        }

        .search-close:hover {
            color: #333;
        }

        .search-results {
            display: none;
            position: absolute;
            top: 48px;
            right: 0;
            width: 340px;
            max-height: 360px;
            overflow-y: auto;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            z-index: 1001;
        }

        .search-results.open {
            display: block;
        }

        .search-result-item {
            padding: 12px 16px;
            cursor: pointer;
            border-bottom: 1px solid #f0f0f0;
            transition: background 0.15s;
        }

        .search-result-item:last-child {
            border-bottom: none;
        }

        .search-result-item:hover {
            background: #f5f9f0;
        }

        .search-result-item .result-name {
            font-weight: 600;
            color: #333;
            margin-bottom: 2px;
        }

        .search-result-item .result-scientific {
            font-size: 0.85em;
            color: #888;
            font-style: italic;
        }

        .search-result-item .result-category {
            font-size: 0.8em;
            color: #4a8c2a;
            margin-top: 2px;
        }

        .search-no-results {
            padding: 20px 16px;
            text-align: center;
            color: #999;
            font-size: 0.95em;
        }

        .botd-btn {
            background: rgba(255,215,0,0.15);
            border: 1px solid rgba(255,215,0,0.3);
            color: #ffd700;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
            font-family: inherit;
        }

        .botd-btn:hover {
            background: rgba(255,215,0,0.3);
            border-color: rgba(255,215,0,0.5);
        }

        .dark-toggle {
            background: none;
            border: none;
            font-size: 1.15em;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: transform 0.35s ease, background 0.2s ease;
            line-height: 1;
        }

        .dark-toggle:hover {
            background: rgba(255,255,255,0.15);
            transform: rotate(360deg) scale(1.08);
        }

        /* Dark Mode */
        body.dark-mode {
            background: #1a1a2e;
            color: #e0e0e0;
        }

        body.dark-mode .bird-card,
        body.dark-mode .stat-card,
        body.dark-mode .category-intro,
        body.dark-mode .species-card,
        body.dark-mode .types-card,
        body.dark-mode .detail-card {
            background: #2a2a3e;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }

        body.dark-mode .bird-card:hover,
        body.dark-mode .stat-card:hover,
        body.dark-mode .category-intro.clickable:hover {
            box-shadow: 0 8px 25px rgba(0,0,0,0.4);
        }

        body.dark-mode .bird-card-body h3,
        body.dark-mode .species-body h3,
        body.dark-mode .detail-header h2,
        body.dark-mode .detail-section h3,
        body.dark-mode .stat-card .number,
        body.dark-mode .section-title {
            color: #6cb64a;
        }

        body.dark-mode .bird-card-body p,
        body.dark-mode .species-body p,
        body.dark-mode .detail-section p,
        body.dark-mode .category-intro p,
        body.dark-mode .section-subtitle {
            color: #bbb;
        }

        body.dark-mode .bird-card-body .fact,
        body.dark-mode .species-body .fact {
            background: #1e2a18;
            color: #8fd06a;
        }

        body.dark-mode .bird-card-body .scientific,
        body.dark-mode .species-body .scientific {
            color: #999;
        }

        body.dark-mode .back-btn {
            color: #6cb64a;
        }

        body.dark-mode .detail-section h3 {
            border-bottom-color: #3a3a50;
        }

        body.dark-mode .category-intro .learn-more {
            color: #6cb64a;
        }

        body.dark-mode .types-header {
            border-bottom-color: #3a3a50;
        }

        body.dark-mode .types-dropdown a {
            border-bottom-color: #3a3a50;
            color: #ccc;
        }

        body.dark-mode .types-dropdown a:hover {
            background: #35354a;
        }

        body.dark-mode .types-view-all {
            color: #6cb64a;
        }

        body.dark-mode .species-rank {
            background: #4a8c2a;
        }

        body.dark-mode .fact {
            background: #1e2a18;
            color: #8fd06a;
            border-left-color: #4a8c2a;
        }

        body.dark-mode .detail-img {
            box-shadow: 0 4px 15px rgba(0,0,0,0.4);
        }

        body.dark-mode .search-box {
            background: #2a2a3e;
        }

        body.dark-mode .search-box input {
            background: #2a2a3e;
            color: #e0e0e0;
        }

        body.dark-mode .search-box input::placeholder {
            color: #888;
        }

        body.dark-mode .search-close {
            color: #888;
        }

        body.dark-mode .search-close:hover {
            color: #e0e0e0;
        }

        body.dark-mode .search-results {
            background: #2a2a3e;
        }

        body.dark-mode .search-result-item {
            border-bottom-color: #3a3a50;
        }

        body.dark-mode .search-result-item:hover {
            background: #35354a;
        }

        body.dark-mode .search-result-item .result-name {
            color: #e0e0e0;
        }

        body.dark-mode .search-no-results {
            color: #888;
        }

        body.dark-mode .nav-links.open {
            background: #1a3a0e;
        }

        body.dark-mode footer {
            background: #111122;
        }

        body.dark-mode .about-content {
            background: #2a2a3e;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }

        body.dark-mode .about-content h2 {
            color: #6cb64a;
        }

        body.dark-mode .about-content p {
            color: #bbb;
        }

        /* Pages */
        .page {
            display: none;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #edf7e5 0%, #e3f1d8 100%);
            color: #1f2d22;
            animation: fadeIn 0.3s ease;
        }

        .page.active {
            display: block;
            position: relative;
        }

        .page > * {
            position: relative;
            z-index: 1;
        }

        .page.active::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
            z-index: 0;
        }

        @keyframes birdsDrift {
            0% {
                transform: translateX(-4%) translateY(10px);
            }
            50% {
                transform: translateX(6%) translateY(-12px);
            }
            100% {
                transform: translateX(-2%) translateY(8px);
            }
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, #2d5016 0%, #4a8c2a 50%, #6cb64a 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
        }

        .hero h1 {
            font-size: 2.6em;
            margin-bottom: 16px;
            white-space: nowrap;
        }

        .hero p {
            font-size: 1.2em;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .hero-bird {
            font-size: 4em;
            margin-bottom: 16px;
            display: block;
        }

        /* Section Titles */
        .section-title {
            font-size: 2em;
            color: #2d5016;
            margin-bottom: 32px;
            text-align: center;
        }

        .section-subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 40px;
            font-size: 1.1em;
        }

        .section-subtitle.category-callout {
            display: block;
            max-width: 760px;
            margin: 0 auto 32px;
            padding: 14px 22px;
            border: 2px solid #d4a72c;
            border-radius: 14px;
            background: linear-gradient(135deg, #fff9dc 0%, #f7e7b3 100%);
            box-shadow: 0 6px 18px rgba(212, 167, 44, 0.18);
            color: #4a3a00;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        /* Bird Cards */
        .bird-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        .bird-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .bird-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
        }

        .bird-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .bird-card-body {
            padding: 24px;
        }

        .bird-card-body h3 {
            color: #2d5016;
            margin-bottom: 8px;
            font-size: 1.3em;
        }

        .bird-card-body .scientific {
            font-style: italic;
            color: #888;
            font-size: 0.9em;
            margin-bottom: 12px;
        }

        .bird-card-body p {
            color: #555;
            font-size: 0.95em;
        }

        .bird-card-body .fact {
            margin-top: 12px;
            padding: 10px 14px;
            background: #f0f7eb;
            border-radius: 8px;
            font-size: 0.9em;
            color: #2d5016;
            border-left: 3px solid #4a8c2a;
        }

        /* Category Intro */
        .category-intro {
            background: white;
            border-radius: 16px;
            padding: 32px;
            margin-bottom: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.06);
            text-align: center;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .category-intro .emoji {
            font-size: 3em;
            margin-bottom: 12px;
            display: block;
        }

        .category-intro p {
            color: #555;
            font-size: 1.05em;
        }

        .category-intro.clickable {
            cursor: pointer;
            transition: box-shadow 0.3s, transform 0.2s;
        }

        .category-intro.clickable:hover {
            box-shadow: 0 6px 20px rgba(0,0,0,0.12);
            transform: translateY(-2px);
        }

        .category-intro.clickable p {
            color: #333;
        }

        .category-intro .learn-more {
            display: inline-block;
            margin-top: 16px;
            color: #2d5016;
            font-weight: 600;
            font-size: 0.95em;
        }

        .category-intro.clickable:hover .learn-more {
            text-decoration: underline;
        }

        /* Stats Section (Home) */
        .stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin: 48px 0;
        }

        .stat-card {
            background: white;
            padding: 32px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.06);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }

        .stat-card .number {
            font-size: 2.5em;
            font-weight: 800;
            color: #2d5016;
        }

        .stat-card .label {
            color: #666;
            font-size: 0.95em;
            margin-top: 0;
            font-weight: 600;
        }

        .stat-card .stat-more-info {
            display: inline-block;
            margin-top: 2px;
            padding: 5px 10px;
            border-radius: 999px;
            background: rgba(9, 92, 204, 0.08);
            color: #0a58ca;
            font-size: 0.72em;
            font-weight: 800;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        /* Detail Page */
        .back-btn {
            background: none;
            border: none;
            color: #2d5016;
            font-size: 1em;
            cursor: pointer;
            padding: 8px 0;
            font-weight: 600;
        }

        .back-btn:hover {
            text-decoration: underline;
        }

        .detail-card {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }

        .detail-header {
            display: flex;
            gap: 32px;
            margin-bottom: 32px;
            align-items: flex-start;
        }

        .detail-header h2 {
            color: #2d5016;
            font-size: 1.8em;
            margin-bottom: 8px;
        }

        .detail-img {
            width: 300px;
            height: 220px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }

        .detail-section {
            margin-bottom: 28px;
        }

        .detail-section h3 {
            color: #2d5016;
            font-size: 1.2em;
            margin-bottom: 8px;
            padding-bottom: 4px;
            border-bottom: 2px solid #e8f0e3;
        }

        .detail-section p {
            color: #555;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .detail-header {
                flex-direction: column;
            }
            .detail-img {
                width: 100%;
            }
        }

        /* Species Grid */
        .species-grid {
            display: grid;
            gap: 20px;
        }

        .species-card {
            display: flex;
            gap: 24px;
            background: linear-gradient(135deg, #ffffff 0%, #f7fbf4 100%);
            border: 1px solid #dfead8;
            border-top: 4px solid #d4a548;
            border-radius: 18px;
            padding: 28px;
            box-shadow: 0 8px 22px rgba(45, 80, 22, 0.08), 0 2px 8px rgba(0,0,0,0.03);
            align-items: flex-start;
            position: relative;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .species-card::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle at center, rgba(212, 165, 72, 0.18), transparent 68%);
            pointer-events: none;
        }

        .species-card::after {
            content: "";
            position: absolute;
            inset: 0 auto auto 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, rgba(212,165,72,0.2), rgba(45,80,22,0));
            pointer-events: none;
        }

        .species-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 28px rgba(45, 80, 22, 0.12), 0 4px 12px rgba(0,0,0,0.05);
        }

        .species-rank {
            background: linear-gradient(135deg, #2d5016 0%, #4a8c2a 100%);
            color: white;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4em;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 8px 18px rgba(45, 80, 22, 0.22);
        }

        .species-body {
            width: 100%;
        }

        .species-main {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }

        .species-copy {
            flex: 1;
            min-width: 0;
        }

        .species-header-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .species-body h3 {
            color: #1f3d12;
            margin-bottom: 4px;
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .species-body .scientific {
            color: #4a6c36;
            font-style: italic;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .species-img {
            margin: 12px 0;
            flex: 0 0 260px;
        }

        .species-img img {
            width: 100%;
            max-width: 400px;
            height: 200px;
            object-fit: cover;
            border-radius: 12px;
            border: 2px solid rgba(45, 80, 22, 0.12);
            box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        }

        .species-body p {
            color: #4d4d4d;
            margin-top: 8px;
            line-height: 1.7;
            font-size: 1rem;
            font-weight: 500;
        }

        .species-body .species-more-info {
            display: inline-block;
            margin: 6px 0 10px;
            padding: 6px 12px;
            border-radius: 999px;
            background: linear-gradient(135deg, rgba(10, 88, 202, 0.10), rgba(7, 138, 255, 0.22));
            border: 1px solid rgba(10, 88, 202, 0.28);
            color: #0a58ca;
            font-weight: 900;
            font-size: 0.74em;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.45);
        }

        .species-body .fact {
            margin-top: 12px;
            padding: 10px 14px;
            background: linear-gradient(135deg, #f4fbe7 0%, #edf5e0 100%);
            border-radius: 10px;
            font-size: 0.9em;
            color: #294d18;
            border-left: 4px solid #4a8c2a;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .species-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .species-main {
                flex-direction: column;
            }

            .species-img {
                width: 100%;
                flex-basis: auto;
            }
        }

        /* Types of Birds Page */
        .types-grid {
            display: grid;
            gap: 16px;
        }

        .types-card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        .types-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px;
            cursor: pointer;
            user-select: none;
            gap: 12px;
        }

        .types-header h3 {
            color: #1f3d2e;
            margin-bottom: 4px;
            font-size: 1.3em;
        }

        .types-header p {
            color: #4f6257;
            font-size: 0.95em;
            margin: 0;
        }

        .types-header-text {
            flex: 1;
            min-width: 0;
        }

        .types-header-cta {
            color: #2563eb;
            font-size: 0.72em;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            text-align: right;
            white-space: nowrap;
            flex-shrink: 0;
            opacity: 0.95;
        }

        .types-arrow {
            font-size: 1.6em;
            color: #2d5016;
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 8px;
        }

        .types-card.open .types-arrow {
            transform: rotate(180deg);
        }

        .types-dropdown {
            display: none;
            border-top: 1px solid #eee;
        }

        .types-card.open .types-dropdown {
            display: block;
        }

        .types-dropdown a {
            display: block;
            padding: 14px 24px;
            color: #2d4a39;
            text-decoration: none;
            cursor: pointer;
            transition: background 0.2s;
        }

        .types-dropdown a:hover {
            background: #f5f5f5;
            color: #1d352b;
        }

        .types-view-all {
            color: #2d5016 !important;
            font-weight: 600;
            border-top: 1px solid #eee;
        }

        /* About Page */
        .about-page-shell {
            position: relative;
            max-width: 980px;
            margin: 0 auto;
            padding: 40px 0;
            isolation: isolate;
            background: linear-gradient(135deg, #1d78d6 0%, #0d5db8 100%);
            border-radius: 22px;
        }

        .about-sign {
            position: absolute;
            font-size: clamp(2rem, 3vw, 3.4rem);
            opacity: 0.28;
            pointer-events: none;
            user-select: none;
            filter: drop-shadow(0 6px 10px rgba(45, 80, 22, 0.08));
            transform: rotate(-8deg);
            z-index: 0;
        }

        .about-sign.one { top: 18px; left: -18px; }
        .about-sign.two { top: 90px; right: -10px; transform: rotate(10deg); }
        .about-sign.three { bottom: 30px; left: 20px; transform: rotate(-12deg); }
        .about-sign.four { bottom: 12px; right: 18px; transform: rotate(8deg); }

        .about-content {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.06);
            position: relative;
            z-index: 1;
        }

        .about-content h2 {
            color: #2d5016;
            margin: 24px 0 12px;
        }

        .about-content h2:first-child {
            margin-top: 0;
        }

        .about-content p {
            color: #555;
            margin-bottom: 16px;
        }

        /* Footer */
        footer {
            background: #1a3a0a;
            color: rgba(255,255,255,0.7);
            text-align: center;
            padding: 32px 20px;
            margin-top: 60px;
        }

        footer p {
            font-size: 0.9em;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                margin-left: 0;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #2d5016;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            }

            .nav-links.open {
                display: flex;
            }

            .hamburger {
                display: flex;
            }

            .botd-btn {
                font-size: 0.75em;
                padding: 5px 10px;
            }

            .dark-toggle {
                font-size: 1em;
                padding: 6px;
            }

            .search-wrapper {
                margin-left: 0;
            }

            .search-box {
                right: 40px;
            }

            .search-box input {
                width: 200px;
            }

            .search-results {
                width: calc(100vw - 20px);
                right: -10px;
            }

            .hero h1 {
                font-size: 2em;
            }

            .bird-grid {
                grid-template-columns: 1fr;
            }

            .stats {
                grid-template-columns: 1fr 1fr;
            }
        }