/* ===== Reset & 기본 ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --bg-start: #0b0d1a;
            --bg-end: #1a1040;
            --card-bg: rgba(255, 255, 255, 0.06);
            --card-border: rgba(255, 255, 255, 0.08);
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.7);
            --text-muted: rgba(255, 255, 255, 0.4);
            --radius: 24px;
            --radius-sm: 14px;
            --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
            min-height: 100vh;
            background: linear-gradient(145deg, var(--bg-start) 0%, var(--bg-end) 60%, #0f0c29 100%);
            color: var(--text-primary);
            padding: 40px 20px 60px;
            display: flex;
            flex-direction: column;
            align-items: center;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        /* ===== 배경 장식 ===== */
        body::before {
            content: '';
            position: fixed;
            top: -30%;
            left: -20%;
            width: 80%;
            height: 80%;
            background: radial-gradient(ellipse at 30% 40%, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            bottom: -20%;
            right: -10%;
            width: 70%;
            height: 70%;
            background: radial-gradient(ellipse at 70% 60%, rgba(236, 72, 153, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        /* ===== 컨테이너 ===== */
        .container {
            max-width: 1200px;
            width: 100%;
            position: relative;
            z-index: 1;
        }

        /* ===== 헤더 (Hero) ===== */
        .hero {
            text-align: center;
            margin-bottom: 48px;
            padding: 20px 0 10px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 4.2rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 70%, #c084fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }

        .hero p {
            font-size: clamp(1rem, 1.4vw, 1.25rem);
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            font-weight: 300;
            letter-spacing: 0.3px;
        }

        .hero p i {
            color: #f472b6;
            margin: 0 4px;
        }

        .hero-divider {
            width: 80px;
            height: 3px;
            margin: 24px auto 0;
            background: linear-gradient(90deg, #818cf8, #c084fc, #f472b6);
            border-radius: 4px;
        }

        /* ===== 섹션 공통 ===== */
        .section {
            margin-bottom: 40px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .section-header .sub {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 300;
            margin-top: 4px;
        }

        /* ===== 카드 그리드: 기본 3열 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            justify-items: center;
        }

        /* ===== 개별 카드 ===== */
        .site-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 28px 20px 24px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            cursor: default;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            overflow: hidden;
            width: 100%;
            max-width: 370px; /* 3열에 맞춰 넉넉하게 */
        }

        .site-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
            border-color: rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }

        .site-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.02) 0%, transparent 60%);
            pointer-events: none;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .site-card:hover::before {
            opacity: 1;
        }

        /* ===== 썸네일 (네모난 형태, 큰 사이즈) ===== */
        .thumbnail {
            width: 100%;
            max-width: 90%;
            aspect-ratio: 1 / 1;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 52px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            flex-shrink: 0;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .site-card:hover .thumbnail {
            transform: scale(1.03) rotate(-1deg);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }

        .thumbnail::after {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 20px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%, rgba(255, 255, 255, 0.05) 100%);
            pointer-events: none;
        }

        /* ===== 사이트 이름 ===== */
        .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }

        .site-card:hover .site-name {
            color: #e0e7ff;
        }

        /* ===== 사이트 타입 ===== */
        .site-type {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 16px;
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 14px;
            letter-spacing: 0.2px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 사이트 링크 ===== */
        .site-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 400;
            color: var(--text-secondary);
            text-decoration: none;
            padding: 6px 18px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
            margin-top: 2px;
            word-break: break-all;
            max-width: 100%;
        }

        .site-link i {
            font-size: 12px;
            transition: transform var(--transition);
            color: var(--text-muted);
        }

        .site-link:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.15);
            color: #ffffff;
            transform: translateX(2px);
        }

        .site-link:hover i {
            transform: translateX(4px);
            color: #a5b4fc;
        }

        /* ===== 컬러 테마 ===== */
        .color-netflix {
            background: linear-gradient(145deg, #e50914, #b20710);
        }
        .color-watcha {
            background: linear-gradient(145deg, #7c3aed, #5b21b6);
        }
        .color-tving {
            background: linear-gradient(145deg, #2563eb, #1d4ed8);
        }
        .color-disney {
            background: linear-gradient(145deg, #4f46e5, #3730a3);
        }
        .color-naver {
            background: linear-gradient(145deg, #22c55e, #15803d);
        }
        .color-kakao {
            background: linear-gradient(145deg, #f59e0b, #d97706);
        }

        /* ===== 푸터 ===== */
        .footer {
            margin-top: 56px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 300;
            letter-spacing: 0.3px;
        }

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

        .footer a:hover {
            color: #a5b4fc;
        }

        .footer .heart {
            color: #f472b6;
            display: inline-block;
            animation: pulse-heart 2s ease-in-out infinite;
        }

        @keyframes pulse-heart {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.2);
            }
        }

        /* ===== 반응형: 3열 → 2열 → 1열 ===== */

        /* 태블릿 (768px 이하) */
        @media (max-width: 768px) {
            body {
                padding: 24px 16px 40px;
            }

            .hero {
                margin-bottom: 36px;
            }

            .hero h1 {
                font-size: clamp(1.8rem, 5vw, 2.8rem);
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .site-card {
                padding: 22px 8px 20px;
                max-width: 100%;
            }

            .thumbnail {
                max-width: 90%;
                font-size: 40px;
                border-radius: 16px;
                margin-bottom: 16px;
            }

            .site-name {
                font-size: 18px;
            }

            .site-type {
                font-size: 12px;
                padding: 2px 12px;
            }

            .site-link {
                font-size: 12px;
                padding: 4px 14px;
            }
        }

        /* 모바일 (480px 이하) */
        @media (max-width: 480px) {
            body {
                padding: 16px 12px 32px;
            }

            .hero {
                margin-bottom: 28px;
            }

            .hero h1 {
                font-size: 1.6rem;
            }

            .hero p {
                font-size: 0.95rem;
            }

            .hero-badge {
                font-size: 11px;
                padding: 4px 14px;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .site-card {
                padding: 18px 8px 16px;
                border-radius: 18px;
                max-width: 100%;
            }

            .thumbnail {
                max-width: 95%;
                font-size: 34px;
                border-radius: 14px;
                margin-bottom: 14px;
            }

            .site-name {
                font-size: 15px;
            }

            .site-type {
                font-size: 11px;
                padding: 1px 10px;
                margin-bottom: 10px;
            }

            .site-link {
                font-size: 11px;
                padding: 3px 12px;
                gap: 4px;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .footer {
                font-size: 12px;
                margin-top: 36px;
                padding-top: 20px;
            }
        }

        /* 매우 작은 화면 (360px 이하) → 1열 */
        @media (max-width: 400px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .site-card {
                padding: 20px 8px 18px;
                max-width: 100%;
            }

            .thumbnail {
                max-width: 100%;
                font-size: 38px;
            }

            .site-name {
                font-size: 17px;
            }
        }

        /* ===== 스크롤바 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.02);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ===== 접근성 ===== */
        .site-link:focus-visible {
            outline: 2px solid #a5b4fc;
            outline-offset: 2px;
        }

        .site-card {
            cursor: pointer;
        }