:root {
    --bg-dark: #09090b;
    --bg-surface: #18181b;
    --primary: #0dccf2;
    --primary-hover: #0bb8da;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Lexend', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

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

/* Typography */
h1,
h2,
h3,
.logo {
    font-family: var(--font-heading);
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-img {
    height: 32px;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.btn {
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: #000 !important;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 204, 242, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

/* Store Buttons */
.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 12px 24px;
    border-radius: 12px;
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.2s;
    min-width: 180px;
    position: relative;
    overflow: hidden;
}

.store-btn:hover {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.store-btn.disabled {
    opacity: 0.8;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.05);
}

.store-btn.disabled:hover {
    transform: none;
    border-color: rgba(255, 255, 255, 0.05);
}

.coming-soon-badge {
    position: absolute;
    top: 12px;
    right: -30px;
    background: var(--primary);
    color: #000;
    padding: 4px 30px;
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    transform: rotate(45deg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.store-btn i {
    width: 32px;
    height: 32px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.btn-text .small {
    font-size: 12px;
    color: var(--text-muted);
}

.btn-text .large {
    font-size: 18px;
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 120px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(13, 204, 242, 0.1);
    color: var(--primary);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(13, 204, 242, 0.2);
}

.hero-title {
    font-size: 64px;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
    z-index: 10;
    border-radius: 40px;
    background: #000;
    padding: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9);
    border: 8px solid #2a2a2a;
    max-width: 420px;
    width: 100%;
    margin: 0 auto;
    transition: transform 0.3s ease;
    height: auto;
}

.phone-mockup:hover {
    transform: translateY(-10px) rotate(-1deg);
}

.phone-mockup img {
    width: 100%;
    border-radius: 28px;
    display: block;
    height: auto;
}

.decorative-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.15;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -50px;
    right: -50px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: purple;
    bottom: -50px;
    left: 0;
}

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

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Showcase Section */
.app-showcase {
    padding: 120px 0;
    overflow: hidden;
}

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

.feature-list {
    list-style: none;
    margin-top: 32px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 18px;
}

.feature-list i {
    color: var(--primary);
}

.phone-mockup-tilted {
    position: relative;
    z-index: 10;
    border-radius: 40px;
    background: #000;
    padding: 12px;
    box-shadow: 25px 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 8px solid #2a2a2a;
    max-width: 420px;
    width: 100%;
    margin: 0 auto;
    transition: transform 0.3s ease;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
}

.phone-mockup-tilted:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg) translateY(-10px);
}

.phone-mockup-tilted img {
    width: 100%;
    border-radius: 28px;
    display: block;
}

/* CTA */
.cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-dark), #0f1c20);
}

.cta h2 {
    font-size: 48px;
    margin-bottom: 24px;
}

.cta p {
    color: var(--text-muted);
    font-size: 20px;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

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

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-title {
        font-size: 48px;
    }

    .hero-container,
    .showcase-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-actions,
    .showcase-content .feature-list,
    .showcase-content {
        justify-content: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .showcase-content h2,
    .showcase-content p {
        text-align: center;
    }

    .phone-mockup-tilted {
        transform: none;
    }

    .nav-links {
        display: none;
        /* simple hide for mockup */
    }
}