/* ==========================================================================
   Woorikini Design System - Variables
   ========================================================================== */
   :root {
    /* Colors */
    --color-primary: #FF6B00;
    --color-primary-dark: #E65C00;
    --color-primary-light: #FFF0E6;
    --color-secondary: #FFB347;
    
    --color-bg-base: #FFFFFF;
    --color-bg-soft: #FBF9F6;
    
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #595959;
    --color-text-tertiary: #8C8C8C;
    
    --color-border: #E5E5E5;
    --color-danger: #E03131;
    --color-danger-light: #FFF5F5;
    
    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-md: 1.125rem;   /* 18px */
    --font-size-lg: 1.25rem;    /* 20px */
    --font-size-xl: 1.5rem;     /* 24px */
    --font-size-2xl: 2rem;      /* 32px */
    --font-size-3xl: 2.5rem;    /* 40px */
    --font-size-4xl: 3.5rem;    /* 56px */
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --shadow-glow: 0 10px 30px -10px rgba(255, 107, 0, 0.4);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background-color: var(--color-bg-base);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

/* ==========================================================================
   Typography Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-danger { color: var(--color-danger); }
.highlight { color: var(--color-primary); font-weight: 800; }

/* ==========================================================================
   Layout Helpers
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.bg-soft { background-color: var(--color-bg-soft); }
.bg-white { background-color: var(--color-bg-base); }
.bg-primary-light { background-color: var(--color-primary-light); }
.border-primary { border: 1px solid rgba(255, 107, 0, 0.2); }
.border-bottom { border-bottom: 1px solid var(--color-border); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.d-inline-flex { display: inline-flex; }
.justify-center { justify-content: center; }

/* ==========================================================================
   Components
   ========================================================================== */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.05em;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.nav-links a:hover {
    color: var(--color-primary);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    background-color: var(--color-bg-soft);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.badge-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-md);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.btn-outline:hover:not(.disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-store {
    background-color: var(--color-text-primary);
    color: white;
}

.btn.disabled {
    background-color: var(--color-bg-soft);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
    border: 1px solid var(--color-border);
}

.btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

.store-icon {
    font-size: 1.2em;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--nav-height) + var(--space-3xl));
    padding-bottom: var(--space-4xl);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 80% 20%, var(--color-primary-light) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-xl);
}

.hero-description {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.primary-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.secondary-desc {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

.store-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.help-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Device Mockup Graphic */
.mockup-frame {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    aspect-ratio: 9/19;
    background: white;
    border-radius: 40px;
    box-shadow: var(--shadow-lg), 0 20px 40px rgba(0,0,0,0.1);
    border: 12px solid #f0f0f0;
    overflow: hidden;
    z-index: 2;
}

.mockup-content {
    padding: var(--space-md);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    background: var(--color-bg-soft);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-light);
}

.mockup-line {
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--color-border);
}

.mockup-text-group { display: flex; flex-direction: column; gap: 6px; width: 60%; }
.w-short { width: 100%; }
.w-shorter { width: 60%; }

.mockup-image {
    flex-grow: 1;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #FFE8D6 0%, #FFD3B6 100%);
    position: relative;
    overflow: hidden;
}

.mockup-badge {
    position: absolute;
    bottom: var(--space-sm);
    left: var(--space-sm);
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(4px);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: var(--color-primary);
}

.mockup-footer {
    display: flex;
    gap: var(--space-sm);
}

.mockup-reaction {
    padding: 6px 12px;
    background: white;
    border-radius: 20px;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}

.blobs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.blob {
    position: absolute;
    filter: blur(40px);
    opacity: 0.6;
    z-index: -1;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: var(--color-primary-light);
    top: -10%;
    right: -20%;
    border-radius: 50%;
}

.blob-2 {
    width: 250px;
    height: 250px;
    background: #FFF5F0;
    bottom: -10%;
    left: -10%;
    border-radius: 50%;
}

/* Sections */
.section {
    padding: var(--space-4xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-xl);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.impact-text {
    font-weight: 700;
    color: var(--color-primary);
}

.beta-ctas {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Policy Pages */
.header-padding {
    padding-top: calc(var(--nav-height) + var(--space-3xl));
    padding-bottom: var(--space-4xl);
}

.policy-container {
    max-width: 800px;
}

.policy-header {
    margin-bottom: var(--space-3xl);
}

.policy-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.policy-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
    border-bottom: 2px solid var(--color-bg-soft);
    padding-bottom: var(--space-md);
}

/* Step List */
.step-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.step-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-bg-soft);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-text {
    font-size: var(--font-size-md);
}

/* Info Box */
.info-box {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--color-bg-soft);
}

.info-box.danger {
    background: var(--color-danger-light);
    color: #C92A2A;
}

/* Footer */
.footer {
    background: #F9F9F9;
    padding: var(--space-4xl) 0 var(--space-xl);
    margin-top: auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
    display: inline-block;
}

.footer-slogan {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.footer-store-buttons {
    display: flex;
    gap: var(--space-sm);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3xl);
}

.footer-col h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.footer-link, .footer-text {
    display: block;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
}

.footer-link:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

/* ==========================================================================
   Animations & Transitions
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

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

.float-animation {
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.5;
    animation: pulse 2s infinite;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-tertiary);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    background: var(--color-text-tertiary);
    left: 50%;
    transform: translateX(-50%);
    top: 6px;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 10px); opacity: 0; }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Hidden class for scroll triggers */
.opacity-0 { opacity: 0; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-description {
        align-items: center;
    }

    .store-buttons {
        justify-content: center;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .blob-1 { right: 0; }
}

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-4xl: 2.5rem;
    }

    .hide-mobile {
        display: none;
    }

    .store-buttons, .beta-ctas {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .footer-top {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .footer-links-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .mockup-frame {
        max-width: 300px;
    }
}