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

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-50);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 네비게이션 */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

nav.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: var(--primary);
    font-size: 24px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    position: relative;
}

.nav-links a:not(.fund-btn):hover {
    color: var(--primary);
}

.nav-links a:not(.fund-btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-links a:not(.fund-btn):hover::after {
    width: 100%;
}

.fund-btn {
    background: var(--gradient-primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

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

.fund-btn::after {
    display: none;
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s;
}

.fund-btn:hover .btn-glow {
    transform: translate(-50%, -50%) scale(1);
}

/* 모바일 메뉴 버튼 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s;
}

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

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

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu a {
    color: var(--dark);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

/* 히어로 섹션 */
.hero {
    margin-top: 60px;
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.stars {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, white, transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 230px 80px, white, transparent),
        radial-gradient(2px 2px at 300px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 370px 50px, white, transparent),
        radial-gradient(2px 2px at 450px 200px, rgba(255,255,255,0.8), transparent);
    background-size: 500px 300px;
    animation: twinkle 5s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.aurora {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: aurora 15s ease-in-out infinite;
}

@keyframes aurora {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(10px) translateY(-10px); }
    50% { transform: translateX(-5px) translateY(5px); }
    75% { transform: translateX(5px) translateY(-5px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: 0 24px;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: clamp(48px, 10vw, 80px);
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -2px;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    opacity: 0.8;
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.hero-cta.primary {
    background: white;
    color: #4f46e5;
}

.hero-cta.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.2);
}

.hero-cta.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-cta.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(10px); }
}

/* 섹션 공통 */
.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-label.light {
    color: rgba(255, 255, 255, 0.7);
}

/* 진행 현황 섹션 */
.progress-section {
    padding: 100px 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.progress-container {
    background: white;
    border-radius: var(--radius-xl);
    padding: 60px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.progress-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.05;
    top: -200px;
    right: -200px;
    filter: blur(60px);
}

.progress-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.progress-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.progress-subtitle {
    color: var(--gray-500);
    font-size: 16px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.stat-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(20px);
}

.stat-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.stat-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

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

.progress-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.progress-bar-container {
    flex: 1;
    background: var(--gray-100);
    height: 16px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0;
    position: relative;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shine 2s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-percentage-display {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    min-width: 100px;
    text-align: right;
}

.percentage-value {
    font-variant-numeric: tabular-nums;
}

.progress-details {
    display: flex;
    justify-content: space-between;
    color: var(--gray-500);
    font-size: 14px;
}

.remaining {
    font-weight: 600;
    color: var(--primary);
}

/* 패키지 섹션 */
.packages-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
}

.packages-container {
    max-width: 1200px;
    margin: 0 auto;
}

.packages-header {
    text-align: center;
    margin-bottom: 50px;
}

.packages-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.packages-subtitle {
    font-size: 18px;
    color: var(--gray-500);
}

/* 탭 네비게이션 */
.tabs-container {
    position: relative;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    background: var(--gray-100);
    padding: 6px;
    border-radius: var(--radius-full);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.tab-indicator {
    position: absolute;
    height: calc(100% - 12px);
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    top: 6px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}

.tab-btn:hover {
    color: var(--gray-700);
}

.tab-btn.active {
    color: var(--primary);
}

.tab-icon {
    font-size: 18px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

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

/* 카드 그리드 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

/* 리워드 카드 */
.reward-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    opacity: 0;
    transform: translateY(20px);
}

.reward-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.reward-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--gray-800);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    z-index: 2;
    letter-spacing: 0.5px;
}

.card-badge.hot {
    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
}

.card-badge.premium {
    background: linear-gradient(135deg, #f59e0b 0%, #eab308 100%);
}

.card-badge.legendary {
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
}

.card-badge.ultimate {
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
}

.card-badge.event {
    background: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
}

.card-badge.time {
    background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
}

/* 카드 비주얼 */
.card-visual {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.card-visual.ruby {
    background: linear-gradient(135deg, #fecaca 0%, #fca5a5 100%);
}

.card-visual.ruby.premium {
    background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
}

.card-visual.ruby.legendary {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.card-visual.membership.bronze {
    background: linear-gradient(135deg, #d4a574 0%, #c9956c 100%);
}

.card-visual.membership.silver {
    background: linear-gradient(135deg, #d1d5db 0%, #9ca3af 100%);
}

.card-visual.membership.gold {
    background: linear-gradient(135deg, #fcd34d 0%, #f59e0b 100%);
}

.card-visual.membership.platinum {
    background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 100%);
}

.card-visual.membership.diamond {
    background: linear-gradient(135deg, #67e8f9 0%, #22d3ee 100%);
}

.card-visual.package.starter {
    background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 100%);
}

.card-visual.package.standard {
    background: linear-gradient(135deg, #fcd34d 0%, #f59e0b 100%);
}

.card-visual.package.premium {
    background: linear-gradient(135deg, #f0abfc 0%, #d946ef 100%);
}

.card-visual.package.ultimate {
    background: linear-gradient(135deg, #c084fc 0%, #9333ea 100%);
}

.card-visual.package.founders {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
}

.card-visual.event.welcome {
    background: linear-gradient(135deg, #86efac 0%, #4ade80 100%);
}

.card-visual.event.referral {
    background: linear-gradient(135deg, #93c5fd 0%, #60a5fa 100%);
}

.card-visual.event.sale {
    background: linear-gradient(135deg, #fca5a5 0%, #f87171 100%);
}

.card-visual.event.weekend {
    background: linear-gradient(135deg, #fde047 0%, #facc15 100%);
}

.card-visual.event.lucky {
    background: linear-gradient(135deg, #c4b5fd 0%, #a78bfa 100%);
}

.gem-icon,
.membership-icon,
.package-icon,
.event-icon {
    font-size: 40px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.gem-bonus {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--success);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
}

/* 카드 바디 */
.card-body {
    padding: 16px;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.card-desc {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.card-price small {
    font-size: 12px;
    color: var(--gray-400);
    font-weight: 400;
    margin-left: 4px;
}

.card-price small.original {
    text-decoration: line-through;
}

.card-price.free {
    color: var(--success);
}

.card-backers {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.card-btn {
    width: 100%;
    padding: 10px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.card-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* 카운트다운 섹션 */
.countdown-section {
    padding: 80px 24px;
}

.countdown-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.countdown-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.countdown-content {
    position: relative;
    padding: 60px 40px;
    text-align: center;
    color: white;
}

.countdown-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.time-unit {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    min-width: 90px;
}

.time-number {
    font-size: 42px;
    font-weight: 700;
    display: block;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.time-label {
    font-size: 13px;
    opacity: 0.8;
    margin-top: 8px;
    display: block;
}

.time-separator {
    font-size: 36px;
    font-weight: 700;
    opacity: 0.5;
}

.countdown-cta {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 16px 40px;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}

.countdown-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* 푸터 */
.footer {
    background: var(--dark);
    padding: 40px 24px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.footer-text {
    color: var(--gray-500);
    font-size: 14px;
}

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

/* 반응형 */
@media (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        min-height: 90vh;
    }

    .packages-section,
    .progress-section {
        padding: 60px 16px;
    }

    .countdown-section {
        padding: 50px 16px;
    }

    .progress-container {
        padding: 40px 24px;
    }

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

    .packages-title {
        font-size: 28px;
    }

    .packages-subtitle {
        font-size: 15px;
    }

    .countdown-content {
        padding: 40px 20px;
    }

    .countdown-title {
        font-size: 22px;
    }

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

    .tabs-nav {
        flex-wrap: wrap;
        border-radius: var(--radius-lg);
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .tab-text {
        display: none;
    }

    .tab-indicator {
        display: none;
    }

    .tab-btn.active {
        background: white;
        box-shadow: var(--shadow-md);
    }

    .countdown-timer {
        flex-wrap: wrap;
        gap: 12px;
    }

    .time-unit {
        min-width: 70px;
        padding: 16px;
    }

    .time-number {
        font-size: 32px;
    }

    .time-separator {
        display: none;
    }
}

@media (max-width: 480px) {
    .packages-section,
    .progress-section {
        padding: 40px 12px;
    }

    .countdown-section {
        padding: 30px 12px;
    }

    .progress-container {
        padding: 28px 16px;
    }

    .progress-title {
        font-size: 20px;
    }

    .packages-title {
        font-size: 22px;
    }

    .packages-header {
        margin-bottom: 30px;
    }

    .countdown-content {
        padding: 24px 16px;
    }

    .countdown-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .countdown-timer {
        gap: 8px;
        margin-bottom: 24px;
    }

    .time-unit {
        min-width: 56px;
        padding: 10px;
    }

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

    .countdown-cta {
        padding: 12px 24px;
        font-size: 14px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        padding: 0 8px;
    }

    .hero-cta {
        padding: 14px 20px;
        font-size: 15px;
        justify-content: center;
    }

    .progress-bar-wrapper {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }

    .progress-percentage-display {
        font-size: 20px;
        min-width: auto;
        text-align: center;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-item {
        padding: 16px 12px;
    }

    .stat-number {
        font-size: 18px;
    }

    .card-visual {
        height: 100px;
    }

    .tab-btn {
        padding: 8px 10px;
    }

    .tabs-nav {
        margin-bottom: 24px;
    }
}

/* 라이트 모드 시인성 강화 */
html:not(.dark) {
    --product-list-color: #374151;
    --product-list-muted: #6b7280;
    --product-list-border: rgba(0, 0, 0, 0.1);
}

html:not(.dark) body {
    background: #f1f5f9;
}

html:not(.dark) nav {
    border-bottom-color: rgba(0, 0, 0, 0.1);
}

html:not(.dark) .progress-container {
    border: 1px solid #e2e8f0;
}

html:not(.dark) .stat-item {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

html:not(.dark) .packages-section {
    background: linear-gradient(180deg, #f1f5f9 0%, #f8fafc 100%);
}

html:not(.dark) .reward-card {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

html:not(.dark) .tabs-nav {
    background: #e2e8f0;
}

html:not(.dark) .tab-btn.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

html:not(.dark) .mobile-menu {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

/* 다크모드 (.dark 클래스 기반 — next-themes) */
.dark {
    --product-list-color: rgba(255, 255, 255, 0.8);
    --product-list-muted: rgba(255, 255, 255, 0.5);
    --product-list-border: rgba(255, 255, 255, 0.1);
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --dark: #f1f5f9;
}

.dark body {
    background: #0a0f1a;
    color: #f1f5f9;
}

.dark nav {
    background: rgba(15, 23, 42, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

.dark nav.scrolled {
    background: rgba(15, 23, 42, 0.98);
}

.dark .logo {
    color: white;
}

.dark .nav-links a {
    color: #94a3b8;
}

.dark .mobile-menu {
    background: #1e293b;
    border-top: 1px solid #334155;
}

.dark .mobile-menu a {
    color: #e2e8f0;
    border-bottom-color: #334155;
}

.dark .packages-section {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.dark .packages-title,
.dark .progress-title {
    color: #f1f5f9;
}

.dark .packages-subtitle,
.dark .progress-subtitle {
    color: #94a3b8;
}

.dark .progress-container {
    background: #1e293b;
}

.dark .stat-item {
    background: #334155;
}

.dark .stat-number {
    color: #f1f5f9;
}

.dark .stat-label {
    color: #94a3b8;
}

.dark .reward-card {
    background: #1e293b;
    border-color: #334155;
}

.dark .reward-card:hover {
    border-color: transparent;
}

.dark .tabs-nav {
    background: #1e293b;
}

.dark .tab-indicator {
    background: #334155;
}

.dark .tab-btn.active {
    background: #334155;
    color: var(--primary-light);
}

.dark .card-body {
    color: white;
}

.dark .card-title {
    color: #f1f5f9;
}

.dark .card-desc {
    color: #94a3b8;
}

.dark .card-price small {
    color: #64748b;
}

.dark .footer {
    background: #0a0f1a;
}

.dark .footer-text {
    color: #475569;
}

/* 스켈레톤 로딩 */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}