/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Dark Theme Colors */
    --background: #121212;
    --surface: #121212;
    --surface-card: #1E1E1E;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B3B3B3;
    --text-tertiary: #9CA3AF;

    /* Accent Colors */
    --accent: #FACC15;
    --accent-secondary: #FACC15;

    /* Semantic Colors */
    --error: #F87171;
    --warning: #FACC15;
    --success: #4ADE80;

    /* Border and Divider */
    --border: #374151;
    --divider: #2D3748;

    /* Legacy variable mappings for compatibility */
    --primary-color: #FACC15;
    --primary-dark: #F59E0B;
    --secondary-color: #FACC15;
    --accent-color: #FACC15;
    --bg-primary: #121212;
    --bg-secondary: #121212;
    --bg-card: #1E1E1E;
    --border-color: #374151;

    /* Dark theme shadows with more subtle appearance */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);

    /* Dark theme gradients */
    --gradient-primary: linear-gradient(135deg, #FACC15 0%, #F59E0B 100%);
    --gradient-secondary: linear-gradient(135deg, #FACC15 0%, #F59E0B 100%);
    --gradient-hero: linear-gradient(135deg, #1E1E1E 0%, #2D3748 50%, #374151 100%);
    --gradient-accent: linear-gradient(135deg, #e8c94c 0%, #cc983f 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

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

/* ===========================
   Navigation
   =========================== */
.navbar {
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: 40px;
    border-radius: 10px;
    object-fit: cover;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    /*-webkit-text-fill-color: transparent;*/
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    transition: all 0.3s ease;
    z-index: 1001;
}

.mobile-menu-btn:hover {
    color: var(--accent);
    transform: scale(1.1);
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    background: var(--surface);
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(250, 204, 21, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(250, 204, 21, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

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

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #121212;
    box-shadow: var(--shadow-lg);
    font-weight: 700;
}

.btn-primary:hover {
    background: #F59E0B;
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(250, 204, 21, 0.3);
}

.btn i {
    font-size: 24px;
}

.btn span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn small {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
}

.btn strong {
    font-size: 16px;
    font-weight: 600;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: var(--surface-card);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    object-fit: cover;
    display: block;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 120px;
    fill: var(--bg-secondary);
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

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

.feature-card {
    background: var(--bg-card);
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(250, 204, 21, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 28px;
    color: #FACC15;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   Use Cases Section
   =========================== */
.use-cases {
    padding: 100px 0;
    background: var(--bg-primary);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.use-case-card {
    background: var(--surface-card);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--border);
}

.use-case-card:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-4px);
    background: rgba(250, 204, 21, 0.05);
}

.use-case-card i {
    font-size: 40px;
    color: #FACC15;
    margin-bottom: 16px;
}

.use-case-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.use-case-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===========================
   Download Section
   =========================== */
.download {
    padding: 100px 0;
    background: var(--gradient-accent);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(250, 204, 21, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(250, 204, 21, 0.15) 0%, transparent 50%);
    top: 0;
    left: 0;
    z-index: 0;
}

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

.download-title {
    font-size: 42px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.download-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

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

.btn-download {
    background: #121212;
    color: #FFFFFF;
    box-shadow: var(--shadow-xl);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.btn-download:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.4);
    background: #1E1E1E;
    border-color: rgba(255, 255, 255, 0.2);
}

/* ===========================
   Privacy Policy Page
   =========================== */
.privacy-policy {
    padding: 120px 0 80px;
    background: var(--bg-secondary);
}

.privacy-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.effective-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--text-secondary);
    background: var(--bg-card);
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
}

.policy-section {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 24px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.policy-section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
    border-color: var(--accent);
}

.section-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(250, 204, 21, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #FACC15;
}

.section-text h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.privacy-footer {
    margin-top: 60px;
}

.privacy-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.highlight-card {
    background: var(--surface-card);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--accent-secondary);
}

.highlight-card i {
    font-size: 32px;
    color: #FACC15;
    margin-bottom: 12px;
}

.highlight-card p {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: #0A0A0A;
    color: white;
    padding: 60px 0 24px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.logo-small {
    height: 32px;
    width: 32px;
    border-radius: 8px;
}

.footer-description,
.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

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

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    /* Mobile Navigation */
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        background: rgba(30, 30, 30, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-lg);
        border-radius: 12px 0 0 12px;
        border: 1px solid var(--border);
        border-right: none;
        transition: right 0.3s ease;
        z-index: 999;
        min-width: 200px;
        gap: 8px;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 12px 16px;
        border-radius: 8px;
        transition: all 0.3s ease;
        width: 100%;
    }

    .nav-links a:hover {
        background: rgba(250, 204, 21, 0.1);
        color: var(--accent);
    }

    .nav-links a::after {
        display: none;
    }

    .section-title {
        font-size: 32px;
    }

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

    .policy-section {
        flex-direction: column;
        padding: 24px;
    }

    .page-title {
        font-size: 36px;
    }

    .download-title {
        font-size: 32px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }
}

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

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

    .cta-buttons {
        flex-direction: column;
    }

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

/* ===========================
   Animations & Utilities
   =========================== */
.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}