/* ============================================
   MIRACLE KUJI - Corporate Website Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-bg: #0a0a0f;
    --color-bg-alt: #12121a;
    --color-bg-card: #1a1a26;
    --color-bg-card-hover: #222232;
    --color-text: #e8e8f0;
    --color-text-muted: #8888a0;
    --color-text-light: #b0b0c8;
    --color-primary: #7c5cfc;
    --color-primary-light: #9d84fd;
    --color-primary-dark: #5a3cd6;
    --color-accent: #ff6b9d;
    --color-accent-light: #ff8eb8;
    --color-gold: #ffd700;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.15);
    --gradient-primary: linear-gradient(135deg, #7c5cfc 0%, #ff6b9d 100%);
    --gradient-card: linear-gradient(145deg, rgba(124, 92, 252, 0.08), rgba(255, 107, 157, 0.05));
    --gradient-hero: linear-gradient(180deg, rgba(10, 10, 15, 0) 0%, rgba(10, 10, 15, 0.8) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(124, 92, 252, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1200px;
    --nav-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(124, 92, 252, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(124, 92, 252, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border-light);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    background: rgba(124, 92, 252, 0.08);
    transform: translateY(-2px);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.05em;
    display: flex;
    gap: 4px;
}

.logo-miracle {
    color: var(--color-primary-light);
}

.logo-kuji {
    color: var(--color-accent);
}

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

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: rgba(124, 92, 252, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

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

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

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

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(124, 92, 252, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(124, 92, 252, 0.06) 0%, transparent 40%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.8; }
    100% { opacity: 1.2; }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%237c5cfc' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 24px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(124, 92, 252, 0.15);
    border: 1px solid rgba(124, 92, 252, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-primary-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-title-main {
    display: block;
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 900;
    letter-spacing: 0.08em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-title-sub {
    display: block;
    font-size: clamp(16px, 3vw, 24px);
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: 12px;
    letter-spacing: 0.15em;
}

.hero-desc {
    font-size: clamp(14px, 2vw, 18px);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.45s both;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-scroll-indicator span {
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
    50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Section Common --- */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-primary-light);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 0 auto 20px;
}

.section-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- About Section --- */
.about {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-headline {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-description {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-description strong {
    color: var(--color-text);
    font-weight: 600;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    text-align: center;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    color: var(--color-primary-light);
}

.stat-icon svg {
    width: 100%;
    height: 100%;
}

.stat-number {
    font-size: 32px;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* --- Services Section --- */
.services {
    background: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    border-color: rgba(124, 92, 252, 0.3);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

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

.service-card.featured {
    border-color: rgba(124, 92, 252, 0.3);
    background: linear-gradient(145deg, rgba(124, 92, 252, 0.08), rgba(255, 107, 157, 0.05));
}

.service-card.featured::before {
    opacity: 1;
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 50px;
    letter-spacing: 0.05em;
}

.service-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    color: var(--color-primary-light);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    font-size: 13px;
    color: var(--color-text-light);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient-primary);
}

/* --- App Section --- */
.app-section {
    background: var(--color-bg);
    overflow: hidden;
}

.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.app-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.app-subtitle {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.app-description {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 32px;
}

.app-description strong {
    color: var(--color-text);
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
}

.app-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.app-feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: rgba(124, 92, 252, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
}

.app-feature-icon svg {
    width: 22px;
    height: 22px;
}

.app-feature h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}

.app-feature p {
    font-size: 13px;
    color: var(--color-text-muted);
}

.app-download {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.app-store-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.app-store-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
}

.app-store-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-text);
}

.store-label {
    display: block;
    font-size: 10px;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.store-name {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
}

/* Phone Mockup */
.app-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    perspective: 1000px;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: #1c1c28;
    border-radius: 36px;
    padding: 12px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(124, 92, 252, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.phone-frame:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #15152a 0%, #0e0e1e 100%);
    border-radius: 26px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-header {
    padding: 12px 20px;
    text-align: center;
}

.phone-time {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.phone-app-content {
    flex: 1;
    padding: 8px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.phone-logo {
    text-align: center;
    font-size: 18px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.1em;
    padding: 12px 0;
}

.phone-card {
    background: rgba(124, 92, 252, 0.08);
    border: 1px solid rgba(124, 92, 252, 0.15);
    border-radius: 12px;
    padding: 16px;
    position: relative;
}

.phone-card-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-primary);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.phone-card-badge.hot {
    background: var(--color-accent);
}

.phone-card-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.phone-card-desc {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.phone-card-btn {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
}

.phone-card-btn.soon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
}

/* --- Stores Section --- */
.stores {
    background: var(--color-bg-alt);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.store-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.store-card:hover {
    border-color: rgba(124, 92, 252, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.store-header {
    padding: 24px 28px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.store-badge {
    padding: 4px 12px;
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 50px;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.store-badge.main {
    background: var(--gradient-primary);
}

.store-badge.popup {
    background: var(--color-accent);
}

.store-name {
    font-size: 20px;
    font-weight: 700;
}

.store-info {
    padding: 0 28px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.store-detail {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.store-detail svg {
    width: 20px;
    height: 20px;
    min-width: 20px;
    color: var(--color-primary-light);
    margin-top: 2px;
}

.store-detail strong {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.store-detail p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.store-notice {
    font-style: italic;
    color: var(--color-accent);
    font-size: 12px;
}

.store-sns {
    padding: 16px 28px;
    border-top: 1px solid var(--color-border);
}

.store-sns a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-primary-light);
    font-weight: 600;
}

.store-sns a:hover {
    color: var(--color-primary);
}

.store-sns a::before {
    content: '@';
    font-weight: 400;
}

/* --- Products Section --- */
.products {
    background: var(--color-bg);
}

.products-showcase {
    margin-bottom: 48px;
}

.product-category {
    margin-bottom: 48px;
}

.product-category-title {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    color: var(--color-text);
}

.ip-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.ip-tag {
    padding: 8px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
    transition: all var(--transition);
    cursor: default;
}

.ip-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    background: rgba(124, 92, 252, 0.08);
    transform: translateY(-2px);
}

.product-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.product-type-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

.product-type-card:hover {
    border-color: rgba(124, 92, 252, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.product-type-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    color: var(--color-primary-light);
}

.product-type-icon svg {
    width: 100%;
    height: 100%;
}

.product-type-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.product-type-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.products-cta {
    text-align: center;
    padding: 40px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.products-cta p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

/* --- SNS Section --- */
.sns-section {
    background: var(--color-bg-alt);
}

.sns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.sns-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.sns-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.sns-icon {
    width: 48px;
    height: 48px;
}

.sns-icon svg {
    width: 100%;
    height: 100%;
}

.sns-card h3 {
    font-size: 16px;
    font-weight: 700;
}

.sns-card p {
    font-size: 13px;
    color: var(--color-text-muted);
}

.sns-action {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary-light);
    padding: 6px 16px;
    border: 1px solid rgba(124, 92, 252, 0.3);
    border-radius: 50px;
    transition: all var(--transition);
}

.sns-card:hover .sns-action {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* SNS Card Colors */
.sns-card.instagram:hover {
    border-color: #E1306C;
}

.sns-card.instagram .sns-icon {
    color: #E1306C;
}

.sns-card.twitter:hover {
    border-color: #1DA1F2;
}

.sns-card.twitter .sns-icon {
    color: var(--color-text);
}

.sns-card.youtube:hover {
    border-color: #FF0000;
}

.sns-card.youtube .sns-icon {
    color: #FF0000;
}

.sns-card.kakao:hover {
    border-color: #FEE500;
}

.sns-card.kakao .sns-icon {
    color: #FEE500;
}

.sns-card.band:hover {
    border-color: #06C755;
}

.sns-card.band .sns-icon {
    color: #06C755;
}

.sns-card.naver:hover {
    border-color: #03C75A;
}

.sns-card.naver .sns-icon {
    color: #03C75A;
}

/* --- Footer --- */
.footer {
    background: #07070c;
    padding: 60px 0 30px;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.footer-column ul li {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.footer-column ul li a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    text-align: center;
}

.footer-info {
    margin-bottom: 16px;
}

.footer-info p {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.footer-sns-icons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-sns-icons a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition);
    border-radius: 50%;
    border: 1px solid var(--color-border);
}

.footer-sns-icons a:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    background: rgba(124, 92, 252, 0.1);
}

.footer-sns-icons a svg {
    width: 16px;
    height: 16px;
}

.footer-copyright {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.footer-wiki {
    font-size: 12px;
}

.footer-wiki a {
    color: var(--color-text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2px;
    transition: all var(--transition);
}

.footer-wiki a:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: 0 4px 15px rgba(124, 92, 252, 0.4);
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}

/* --- Scroll Animations --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .app-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .app-visual {
        order: -1;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
        transform: none;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 32px 40px;
        gap: 4px;
        transition: right var(--transition);
        border-left: 1px solid var(--color-border);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 16px;
        padding: 12px 16px;
        width: 100%;
    }

    .nav-toggle {
        display: flex;
    }

    .section {
        padding: 72px 0;
    }

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

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

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

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

    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .app-download {
        flex-direction: column;
    }

    .app-store-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section-title {
        font-size: 26px;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 20px 16px;
    }

    .stat-number {
        font-size: 24px;
    }

    .sns-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .sns-card {
        padding: 24px 16px;
    }

    .product-types {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .phone-frame {
        width: 220px;
        height: 440px;
    }

    .ip-tags {
        gap: 6px;
    }

    .ip-tag {
        padding: 6px 14px;
        font-size: 12px;
    }
}

/* ============================================
   FAQ Section (GEO: FAQPage schema)
   ============================================ */
.faq-section {
    background: var(--color-bg-alt);
}

.faq-list {
    max-width: 880px;
    margin: 48px auto 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition), background var(--transition);
}

.faq-item[open] {
    border-color: rgba(124, 92, 252, 0.35);
    background: var(--color-bg-card-hover);
}

.faq-question {
    list-style: none;
    cursor: pointer;
    padding: 22px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--transition);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    color: var(--color-primary-light);
}

.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 300;
    color: var(--color-primary-light);
    border: 1px solid var(--color-border-light);
    border-radius: 50%;
    transition: transform var(--transition), background var(--transition);
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
}

.faq-answer {
    padding: 0 28px 24px;
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.75;
    animation: faqFadeIn 0.3s ease-out;
}

.faq-answer p + p,
.faq-answer p + ul {
    margin-top: 10px;
}

.faq-answer ul {
    list-style: disc;
    padding-left: 22px;
    margin-top: 10px;
}

.faq-answer li {
    margin-bottom: 6px;
}

.faq-answer a {
    color: var(--color-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.faq-answer a:hover {
    color: var(--color-accent-light);
}

.faq-answer strong {
    color: var(--color-text);
}

@keyframes faqFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .faq-question {
        padding: 18px 20px;
        font-size: 15px;
    }
    .faq-answer {
        padding: 0 20px 20px;
        font-size: 14px;
    }
    .faq-icon {
        width: 24px;
        height: 24px;
        font-size: 18px;
    }
}