/* ========================================
   iLove Series - Integrated Platform
   Design System & Core Styles
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Light Mode */
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f4f4f5;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;

    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-tertiary: #a1a1aa;
    --text-inverse: #ffffff;

    --border-primary: #e4e4e7;
    --border-secondary: #f4f4f5;

    /* Brand Colors */
    --indigo-50: #eef2ff;
    --indigo-100: #e0e7ff;
    --indigo-200: #c7d2fe;
    --indigo-400: #818cf8;
    --indigo-500: #6366f1;
    --indigo-600: #4f46e5;
    --indigo-700: #4338ca;

    --violet-50: #f5f3ff;
    --violet-400: #a78bfa;
    --violet-500: #8b5cf6;
    --violet-600: #7c3aed;

    --rose-50: #fff1f2;
    --rose-400: #fb7185;
    --rose-500: #f43f5e;
    --rose-600: #e11d48;

    --amber-50: #fffbeb;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
    --amber-600: #d97706;

    --pink-500: #ec4899;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    --gradient-hero: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 30%, #2d1b4e 60%, #1a1a3e 100%);
    --gradient-card-indigo: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
    --gradient-card-violet: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.05));
    --gradient-card-rose: linear-gradient(135deg, rgba(244, 63, 94, 0.1), rgba(251, 113, 133, 0.05));
    --gradient-card-amber: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.05));

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-glow-indigo: 0 0 40px rgba(99, 102, 241, 0.15);
    --shadow-glow-violet: 0 0 40px rgba(139, 92, 246, 0.15);
    --shadow-glow-rose: 0 0 40px rgba(244, 63, 94, 0.15);
    --shadow-glow-amber: 0 0 40px rgba(245, 158, 11, 0.15);

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    --container-padding: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --bg-tertiary: #27272a;
    --bg-card: #18181b;
    --bg-card-hover: #27272a;

    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --text-inverse: #18181b;

    --border-primary: #27272a;
    --border-secondary: #3f3f46;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-glow-indigo: 0 0 40px rgba(99, 102, 241, 0.25);
    --shadow-glow-violet: 0 0 40px rgba(139, 92, 246, 0.25);
    --shadow-glow-rose: 0 0 40px rgba(244, 63, 94, 0.25);
    --shadow-glow-amber: 0 0 40px rgba(245, 158, 11, 0.25);

    --gradient-card-indigo: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.05));
    --gradient-card-violet: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(236, 72, 153, 0.05));
    --gradient-card-rose: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(251, 113, 133, 0.05));
    --gradient-card-amber: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(251, 191, 36, 0.05));
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   Cursor Glow Effect
   ======================================== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
    transform: translate(-50%, -50%);
}

[data-theme="dark"] .cursor-glow {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: 10px 0;
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(9, 9, 11, 0.85);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    display: flex;
    align-items: center;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.logo-badge {
    font-size: 0.65rem;
    font-weight: 600;
    background: var(--gradient-primary);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-nav {
    font-size: 0.875rem;
    padding: 8px 20px;
}

/* Theme Toggle */
#themeToggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

#themeToggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.icon-moon {
    display: none;
}

[data-theme="dark"] .icon-sun {
    display: none;
}

[data-theme="dark"] .icon-moon {
    display: block;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 4px 0;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1.5px solid var(--border-primary);
    color: var(--text-primary);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--indigo-500);
    color: var(--indigo-500);
    background: var(--indigo-50);
}

[data-theme="dark"] .btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
}

.btn-ghost {
    color: var(--text-secondary);
    padding: 8px;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.btn-white {
    background: white;
    color: var(--indigo-600);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ========================================
   Section Styles
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--gradient-primary);
    color: white;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

[data-theme="dark"] .hero-gradient {
    opacity: 1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.floating-orbs {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--indigo-500);
    top: 10%;
    left: 20%;
    animation: floatOrb1 15s ease-in-out infinite;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: var(--violet-500);
    top: 50%;
    right: 15%;
    animation: floatOrb2 18s ease-in-out infinite;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--pink-500);
    bottom: 10%;
    left: 40%;
    animation: floatOrb3 20s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    color: white;
}

.title-line {
    display: block;
}

.title-gradient {
    background: linear-gradient(135deg, #818cf8, #c084fc, #f472b6, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 4s ease-in-out infinite;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.hero-actions .btn-outline {
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions .btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    color: white;
    font-family: 'Inter', sans-serif;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Mini Service Cards */
.hero-services {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.hero-service-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 28px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
    transition: all var(--transition-base);
    text-decoration: none;
    color: white;
}

/* 각 카드별 색상 틴트 배경 + 테두리 (기본 상태) */
.hero-service-card[data-color="indigo"] {
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
}

.hero-service-card[data-color="violet"] {
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.1);
}

.hero-service-card[data-color="rose"] {
    background: rgba(244, 63, 94, 0.12);
    border: 1px solid rgba(244, 63, 94, 0.3);
    box-shadow: 0 4px 16px rgba(244, 63, 94, 0.1);
}

/* Hover 효과 */
.hero-service-card:hover {
    transform: translateY(-4px);
}

.hero-service-card[data-color="indigo"]:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--indigo-400);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

.hero-service-card[data-color="violet"]:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--violet-400);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
}

.hero-service-card[data-color="rose"]:hover {
    background: rgba(244, 63, 94, 0.2);
    border-color: var(--rose-400);
    box-shadow: 0 8px 32px rgba(244, 63, 94, 0.3);
}

.hero-service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.hero-service-card[data-color="indigo"] .hero-service-icon {
    color: var(--indigo-400);
    background: rgba(99, 102, 241, 0.2);
}

.hero-service-card[data-color="violet"] .hero-service-icon {
    color: var(--violet-400);
    background: rgba(139, 92, 246, 0.2);
}

.hero-service-card[data-color="rose"] .hero-service-icon {
    color: var(--rose-400);
    background: rgba(244, 63, 94, 0.2);
}

.hero-service-info h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 3px;
}

.hero-service-info p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.65);
}

.hero-service-arrow {
    color: rgba(255, 255, 255, 0.4);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    font-size: 1.1rem;
}

.hero-service-card:hover .hero-service-arrow {
    color: rgba(255, 255, 255, 0.9);
    transform: translate(3px, -2px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-slow);
    display: block;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
}

.service-card[data-color="indigo"] { background: var(--gradient-card-indigo); }
.service-card[data-color="indigo"]:hover { box-shadow: var(--shadow-glow-indigo), var(--shadow-xl); }
.service-card[data-color="indigo"] .card-icon { color: var(--indigo-500); }
.service-card[data-color="indigo"] .card-badge { background: var(--indigo-50); color: var(--indigo-600); }

.service-card[data-color="violet"] { background: var(--gradient-card-violet); }
.service-card[data-color="violet"]:hover { box-shadow: var(--shadow-glow-violet), var(--shadow-xl); }
.service-card[data-color="violet"] .card-icon { color: var(--violet-500); }
.service-card[data-color="violet"] .card-badge { background: var(--violet-50); color: var(--violet-600); }

.service-card[data-color="rose"] { background: var(--gradient-card-rose); }
.service-card[data-color="rose"]:hover { box-shadow: var(--shadow-glow-rose), var(--shadow-xl); }
.service-card[data-color="rose"] .card-icon { color: var(--rose-500); }
.service-card[data-color="rose"] .card-badge { background: var(--rose-50); color: var(--rose-600); }

.service-card[data-color="amber"] { background: var(--gradient-card-amber); }
.service-card[data-color="amber"]:hover { box-shadow: var(--shadow-glow-amber), var(--shadow-xl); }
.service-card[data-color="amber"] .card-icon { color: var(--amber-500); }
.service-card[data-color="amber"] .card-badge { background: var(--amber-50); color: var(--amber-600); }

[data-theme="dark"] .service-card[data-color="indigo"] .card-badge { background: rgba(99,102,241,0.15); color: var(--indigo-400); }
[data-theme="dark"] .service-card[data-color="violet"] .card-badge { background: rgba(139,92,246,0.15); color: var(--violet-400); }
[data-theme="dark"] .service-card[data-color="rose"] .card-badge { background: rgba(244,63,94,0.15); color: var(--rose-400); }
[data-theme="dark"] .service-card[data-color="amber"] .card-badge { background: rgba(245,158,11,0.15); color: var(--amber-400); }

.card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.service-card[data-color="indigo"] .card-glow { background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 60%); }
.service-card[data-color="violet"] .card-glow { background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 60%); }
.service-card[data-color="rose"] .card-glow { background: radial-gradient(circle, rgba(244, 63, 94, 0.08) 0%, transparent 60%); }
.service-card[data-color="amber"] .card-glow { background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 60%); }

.service-card:hover .card-glow {
    opacity: 1;
}

.card-content {
    position: relative;
    padding: 36px;
    z-index: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    margin-bottom: 20px;
    transition: all var(--transition-base);
}

[data-theme="dark"] .card-icon {
    background: var(--bg-tertiary);
}

.service-card:hover .card-icon {
    transform: scale(1.1);
}

.card-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.badge-soon {
    background: var(--amber-50) !important;
    color: var(--amber-600) !important;
}

[data-theme="dark"] .badge-soon {
    background: rgba(245,158,11,0.15) !important;
    color: var(--amber-400) !important;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.card-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 24px;
}

.card-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.service-card[data-color="indigo"] .card-features li::before { background: var(--indigo-400); }
.service-card[data-color="violet"] .card-features li::before { background: var(--violet-400); }
.service-card[data-color="rose"] .card-features li::before { background: var(--rose-400); }
.service-card[data-color="amber"] .card-features li::before { background: var(--amber-400); }

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.service-card[data-color="indigo"] .card-link { color: var(--indigo-500); }
.service-card[data-color="violet"] .card-link { color: var(--violet-500); }
.service-card[data-color="rose"] .card-link { color: var(--rose-500); }
.service-card[data-color="amber"] .card-link { color: var(--amber-500); }

.service-card:hover .card-link svg {
    transform: translate(3px, -3px);
}

.card-link svg {
    transition: transform var(--transition-fast);
}

.card-link-soon {
    color: var(--text-tertiary) !important;
}

.service-card-soon {
    cursor: default;
    border-style: dashed;
}

.service-card-soon:hover {
    transform: translateY(-4px);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-item {
    padding: 36px;
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-base);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--indigo-200);
}

[data-theme="dark"] .feature-item:hover {
    border-color: var(--border-secondary);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   How It Works
   ======================================== */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 0 24px;
}

.step-number {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    margin: 0 auto 20px;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-connector {
    flex: 0 0 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--indigo-400), var(--violet-400));
    margin-top: 36px;
    border-radius: 2px;
    opacity: 0.4;
}

/* ========================================
   Roadmap Section
   ======================================== */
.roadmap {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.roadmap-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--indigo-500), var(--violet-500), var(--rose-500), var(--amber-400));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-left: 72px;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 16px;
    top: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 3px solid var(--border-primary);
    background: var(--bg-secondary);
    z-index: 1;
    transition: all var(--transition-base);
}

.timeline-item[data-status="done"] .timeline-marker {
    background: var(--indigo-500);
    border-color: var(--indigo-500);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.timeline-item[data-status="current"] .timeline-marker {
    background: var(--violet-500);
    border-color: var(--violet-500);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

.timeline-item[data-status="upcoming"] .timeline-marker {
    background: var(--bg-secondary);
    border-color: var(--border-secondary);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
    box-shadow: var(--shadow-md);
}

.timeline-date {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    margin-bottom: 8px;
}

.timeline-item[data-status="done"] .timeline-date {
    background: var(--indigo-50);
    color: var(--indigo-600);
}

.timeline-item[data-status="current"] .timeline-date {
    background: var(--violet-50);
    color: var(--violet-600);
}

.timeline-item[data-status="upcoming"] .timeline-date {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

[data-theme="dark"] .timeline-item[data-status="done"] .timeline-date { background: rgba(99,102,241,0.15); color: var(--indigo-400); }
[data-theme="dark"] .timeline-item[data-status="current"] .timeline-date { background: rgba(139,92,246,0.15); color: var(--violet-400); }

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.timeline-content ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.timeline-content li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}

.timeline-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 80px 0;
    background: var(--bg-primary);
}

.cta-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gradient-hero);
    padding: 80px 40px;
    text-align: center;
}

.cta-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cta-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.cta-orb-1 {
    width: 300px;
    height: 300px;
    background: var(--indigo-500);
    top: -100px;
    left: -50px;
    animation: floatOrb1 12s ease-in-out infinite;
}

.cta-orb-2 {
    width: 250px;
    height: 250px;
    background: var(--pink-500);
    bottom: -100px;
    right: -50px;
    animation: floatOrb2 15s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.8;
}

.cta-actions {
    display: flex;
    justify-content: center;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--indigo-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23a1a1aa' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links-group {
    display: flex;
    gap: 64px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--indigo-500);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid var(--border-primary);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    background: var(--bg-tertiary);
}

.footer-social a:hover {
    color: var(--indigo-500);
    background: var(--indigo-50);
}

[data-theme="dark"] .footer-social a:hover {
    background: rgba(99, 102, 241, 0.15);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
        --container-padding: 20px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        z-index: 999;
    }

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

    .nav-link {
        font-size: 1.25rem;
        padding: 12px 24px;
    }

    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .btn-nav {
        display: none;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .hero-services {
        flex-direction: column;
        align-items: center;
        gap: 14px;
        margin-top: 36px;
    }

    .hero-service-card {
        width: 100%;
        max-width: 360px;
    }

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

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

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step {
        max-width: 400px;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        flex: 0 0 40px;
        margin-top: 0;
        background: linear-gradient(to bottom, var(--indigo-400), var(--violet-400));
    }

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

    .footer-top {
        flex-direction: column;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-links-group {
        flex-wrap: wrap;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .card-features {
        grid-template-columns: 1fr;
    }

    .card-content {
        padding: 28px;
    }

    .cursor-glow {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
        padding: 0 16px;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .stat-divider {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .hero-service-card {
        padding: 14px 20px;
        gap: 12px;
    }

    .hero-service-icon {
        width: 40px;
        height: 40px;
    }

    .hero-service-info h3 {
        font-size: 0.9rem;
    }

    .hero-service-info p {
        font-size: 0.75rem;
    }
}