:root {
    /* Color Palette - Premium Dark Theme */
    --bg-color: #0f111a;
    --bg-surface: rgba(255, 255, 255, 0.03);
    --bg-surface-hover: rgba(255, 255, 255, 0.05);
    
    --primary-color: #ff3366;
    --primary-gradient: linear-gradient(135deg, #ff3366 0%, #ff7733 100%);
    --secondary-color: #7b2cbf;
    --secondary-gradient: linear-gradient(135deg, #7b2cbf 0%, #4cc9f0 100%);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a4b8;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(20, 22, 33, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    word-break: keep-all;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Glassmorphism Utilities */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    word-break: keep-all;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

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

.btn-gradient {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
}

.btn-gradient:hover {
    box-shadow: 0 6px 20px rgba(255, 51, 102, 0.5);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: background-color 0.3s, backdrop-filter 0.3s;
}

.header.scrolled {
    background: rgba(15, 17, 26, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
}

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

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    z-index: -1;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 51, 102, 0.3);
}

.orb-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(76, 201, 240, 0.2);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 24px;
    word-break: keep-all;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Mockup CSS art */
.mockup-card {
    width: 100%;
    max-width: 360px;
    height: 600px;
    margin: 0 auto;
    border-radius: 32px;
    padding: 16px;
    position: relative;
    transform: rotate(5deg) translateY(-20px);
    transition: transform 0.5s ease;
    border: 8px solid #1a1d2d;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.mockup-card:hover {
    transform: rotate(0) translateY(-10px);
}

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.mockup-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.mockup-profile {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2a2d3e 0%, #1a1d2d 100%);
    border: 2px solid var(--border-color);
}

.mockup-line {
    width: 80%;
    height: 16px;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
}

.mockup-line.short {
    width: 60%;
}

.mockup-button {
    margin-top: 40px;
    width: 80%;
    padding: 16px;
    border-radius: 12px;
    background: var(--primary-gradient);
    text-align: center;
    font-weight: 600;
}

/* Features */
.features {
    padding: 100px 0;
    position: relative;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    border-radius: 24px;
    text-align: left;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: var(--bg-surface-hover);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 16px;
    font-family: var(--font-heading);
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 100px 0;
}

.cta-box {
    padding: 80px 40px;
    border-radius: 32px;
    text-align: center;
    background: linear-gradient(rgba(20, 22, 33, 0.8), rgba(20, 22, 33, 0.8)), url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M10 10h80v80H10z" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.cta-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.store-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
}

.store-btn:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-color);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 40px;
}

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

.footer-desc {
    color: var(--text-secondary);
}

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

.link-group h4 {
    margin-bottom: 24px;
    font-size: 1.125rem;
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.link-group a:hover {
    color: var(--text-primary);
}

.highlight-link {
    color: var(--primary-color) !important;
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 40px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .nav {
        display: none;
    }
    
    .store-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .store-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .footer-top {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
}