:root {
    --primary: #4c51bf;
    --primary-dark: #3c4199;
    --secondary: #7c3aed;
    --gold: #f9d71c;
    --bg-light: #fdfcfe;
    --bg-dark: #0f0826;
    --text-light: #fdfcfe;
    --text-dark: #1a1a1a;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Montserrat', 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Scroll Snap */
html {
    scroll-behavior: smooth;
}

/* Glassmorphism Utility */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--text-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

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

/* Sections */
section {
    padding: 80px 10%;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Hero Section */
#hero {
    position: relative;
    padding-top: 120px;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.15), transparent),
                radial-gradient(circle at bottom left, rgba(76, 81, 191, 0.15), transparent);
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.hero-content p {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-mockup {
    margin-top: 50px;
    position: relative;
}

.hero-mockup img {
    width: 100%;
    max-width: 900px;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* App Badges */
.badge-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 2rem;
}

.badge-container img {
    height: 60px;
    transition: var(--transition);
}

.badge-container img:hover {
    transform: scale(1.05);
}

/* Features Section */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-visual img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.feature-text h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-text p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

.tech-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(124, 58, 237, 0.2);
    border: 1px solid var(--secondary);
    border-radius: 100px;
    color: var(--secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Tech Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.spec-item i {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
    display: block;
}

.spec-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content h1 { font-size: 3.5rem; }
    .feature-grid { grid-template-columns: 1fr; text-align: center; }
    .feature-visual { order: 2; }
    .feature-text { order: 1; }
}

@media (max-width: 768px) {
    section { padding: 60px 5%; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-content p { font-size: 1.1rem; }
    .hero-mockup img { max-width: 100%; }
}

/* Animations on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s all ease-out;
}

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