:root {
    --bg-color: #f8fafc;
    --bg-secondary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-primary: #6366f1;
    --accent-secondary: #3b82f6;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
}

.glow-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--accent-primary);
}

.glow-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--accent-secondary);
}

.glow-3 {
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: rgba(139, 92, 246, 0.15);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 8rem 0;
}

.text-center {
    text-align: center;
}

.max-width-p {
    max-width: 600px;
    margin: 0 auto;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 3.5rem;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-intro {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.03);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.6rem 1.4rem;
}

.btn-outline:hover {
    background: var(--text-primary);
    color: #ffffff;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo span {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links li + li {
    margin-left: 2rem;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 5rem;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
}

.hero-visual {
    position: relative;
    width: min(920px, 92vw);
    height: 410px;
    aspect-ratio: 3 / 1.35;
    margin: 0 auto 2.5rem;
    border-radius: 32px;
    background:
        linear-gradient(180deg, rgba(248, 250, 252, 0), rgba(248, 250, 252, 0.16) 68%, rgba(248, 250, 252, 0.52)),
        url('assets/header.png') center 42% / cover no-repeat;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.16);
    overflow: hidden;
}

.hero-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(248, 250, 252, 0.1), transparent 24%, transparent 76%, rgba(248, 250, 252, 0.1));
    pointer-events: none;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.glass-card, .feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 2.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Screenshots Section */
.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
}

.screenshot-card {
    padding: 1.25rem;
}

.screenshot-frame {
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.screenshot-frame img {
    display: block;
    width: 100%;
    height: auto;
}

.desktop-frame {
    padding: 0.75rem;
}

.screenshot-copy {
    padding: 1.5rem 0.5rem 0.5rem;
}

.screenshot-copy h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.screenshot-copy p {
    color: var(--text-secondary);
}

/* Integration Section */
.highlight-section {
    position: relative;
}

.highlight-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.3;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-side .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.content-side p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.check-list {
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.code-block, .terminal-mockup {
    padding: 0;
    overflow: hidden;
    background: #0f172a;
}

.code-header {
    background: #1e293b;
    padding: 0.8rem 1rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

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

.code-header .red { background: #ef4444; }
.code-header .yellow { background: #f59e0b; }
.code-header .green { background: #10b981; }
.code-header .title {
    margin-left: 1rem;
    color: #94a3b8;
    font-size: 0.85rem;
    font-family: monospace;
}

pre {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #f8fafc;
}

code .keyword { color: #c678dd; }
code .class-name { color: #e5c07b; }
code .string { color: #98c379; }
code .prompt { color: #61afef; margin-right: 0.5rem; }
code .comment { color: #5c6370; font-style: italic; }

/* Deploy Section */
.terminal-mockup {
    text-align: left;
    margin-top: 3rem;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

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

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

.footer a {
    color: var(--accent-primary);
    text-decoration: none;
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Responsive */
@media (max-width: 992px) {
    .split-layout,
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
    
    .content-side .section-title {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero-visual {
        width: 100%;
        height: 320px;
        aspect-ratio: 4 / 3;
        border-radius: 24px;
    }
    
    .nav-links {
        display: none;
    }
    
    .cta-group {
        flex-direction: column;
    }
}