@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Sophisticated Dark Palette */
    --bg-dark: #020617;
    --bg-surface: rgba(15, 23, 42, 0.7);
    --accent-primary: #6366f1; /* Indigo */
    --accent-secondary: #a855f7; /* Purple */
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shine: rgba(255, 255, 255, 0.05);
    
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Dynamic Background Mesh */
.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 100% 0%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(168, 85, 247, 0.15) 0%, transparent 50%);
    filter: blur(80px);
    opacity: 0.8;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

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

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-smooth);
    background: transparent;
}

header.scrolled {
    height: 70px;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    font-weight: 300;
    opacity: 0.8;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-smooth);
}

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

nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-section .content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-section h2 {
    font-size: clamp(3rem, 10vw, 5rem);
    line-height: 1.05;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    font-weight: 400;
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.8rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn.primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
}

.btn.primary:hover {
    transform: translateY(-4px);
    background: #4f46e5;
    box-shadow: 0 20px 35px -10px rgba(99, 102, 241, 0.5);
}

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

.btn.secondary:hover {
    background: var(--glass-shine);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

/* Features Section */
.section-header {
    text-align: center;
    margin: 8rem 0 4rem;
}

.section-header h3 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 8rem;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    border-radius: 32px;
    padding: 3rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
    pointer-events: none;
}

.glass-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--accent-primary);
}

.glass-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.glass-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Contact CTA */
.cta-wrapper {
    margin-bottom: 10rem;
}

.cta-card {
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    background: radial-gradient(circle at top right, rgba(168, 85, 247, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(99, 102, 241, 0.1), transparent);
}

.cta-card h3 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.cta-card p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

footer p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

@media (max-width: 768px) {
    header nav { display: none; }
    .hero-section h2 { font-size: 3.5rem; }
    .btn-group { flex-direction: column; }
    .btn { width: 100%; }
}