:root {
    --bg-color: #030A0B;
    --surface-color: #191F1F;
    --border-color: #2D3535;
    --primary-color: #A0BC9A;
    --tertiary-color: #1BB5C5;
    --text-primary: #E7EAEB;
    --text-secondary: rgba(231, 234, 235, 0.6);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 20% 20%, rgba(160, 188, 154, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(27, 181, 197, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    min-height: 100vh;
}

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

/* Navbar */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(3, 10, 11, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.cta-small {
    background-color: var(--primary-color);
    color: var(--bg-color) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 700 !important;
    transition: transform 0.2s, filter 0.2s !important;
}

.cta-small:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
}

.hero h1 span {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    max-width: 580px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    justify-content: flex-start;
    gap: 1.5rem;
}

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

.phone-frame {
    width: 320px;
    border-radius: 40px;
    border: 12px solid #111;
    background: #000;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    position: relative;
}

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

.phone-frame::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

/* Features Section */
.features {
    padding: 120px 0;
    border-top: 1px solid var(--border-color);
}

.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--tertiary-color);
    margin-bottom: 4rem;
    display: block;
    font-weight: 700;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    background-color: rgba(25, 31, 31, 0.8);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 52px;
    height: 52px;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.feature-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
}

/* Footer */
.footer {
    padding: 5rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

.fade-in {
    animation: fadeIn 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding-top: 140px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 2.5rem;
        text-align: center;
    }

    .feature-card {
        padding: 2rem;
    }
}