@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&family=Outfit:wght@500;700;800&display=swap');

:root {
    --bg: #0A0A0B;
    --surface: #161618;
    --primary: #00FF94;
    --primary-glow: rgba(0, 255, 148, 0.3);
    --secondary: #FFB800;
    --secondary-glow: rgba(255, 184, 0, 0.3);
    --text: #FFFFFF;
    --text-muted: #88888E;
    --border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 99px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-heading);
}

.btn-primary {
    background: var(--text);
    color: var(--bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}

.btn-outline {
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    background: var(--border);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 72px);
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.hero-mockup {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%) rotate(-5deg);
    width: 500px;
    z-index: 1;
}

/* Phone Mockup */
.phone {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    border: 8px solid #333;
    position: relative;
    overflow: hidden;
    box-shadow: 0 50px 100px rgba(0,0,0,0.5);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #000 100%);
    padding: 20px;
    position: relative;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    position: absolute;
}

.status-free {
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.status-busy {
    background: var(--secondary);
    box-shadow: 0 0 15px var(--secondary-glow);
}

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

.feature-card {
    background: var(--surface);
    padding: 40px;
    border-radius: 32px;
    border: 1px solid var(--border);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer */
footer {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

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

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

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

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

.reveal {
    animation: fadeInUp 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 991px) {
    .hero-mockup {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 60px;
    }
}