:root {
    --bg: #09090B;
    --bg-elevated: #0F0F12;
    --card-bg: #18181C;
    --card-border: rgba(45, 45, 53, 0.68);
    --accent: #C9A86A;
    --accent-secondary: #D8C08A;
    --text-primary: #F2EEE7;
    --text-secondary: #B8B1A6;
    --text-tertiary: #7E776E;
    --separator: rgba(45, 45, 53, 0.72);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--separator);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-cta {
    font-size: 14px;
    font-weight: 600;
    color: var(--bg);
    background: var(--accent);
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.header-cta:hover {
    opacity: 0.85;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-inner {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
    min-width: 0;
}

.hero-text h1 {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 480px;
}

.btn-primary {
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    color: var(--bg);
    background: var(--accent);
    padding: 14px 32px;
    border-radius: 28px;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.hero-image {
    flex: 0 0 auto;
}

.hero-image img {
    width: 300px;
    height: auto;
    filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.5));
}

/* Features */
.features {
    padding: 80px 0;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 100px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-image {
    flex: 0 0 auto;
}

.feature-image img {
    width: 260px;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.4));
}

.feature-text {
    flex: 1;
    min-width: 0;
}

.feature-text h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-text p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 440px;
}

/* Highlights */
.highlights {
    padding: 80px 0;
    border-top: 1px solid var(--separator);
}

.highlights h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.highlight-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 28px;
}

.highlight-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.highlight-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.highlight-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Download */
.download {
    padding: 100px 0;
    border-top: 1px solid var(--separator);
}

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

.download-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.download h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 12px;
}

.download p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Footer */
.footer {
    border-top: 1px solid var(--separator);
    padding: 32px 0;
}

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

.footer-brand {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-tertiary);
}

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

.footer-links a {
    font-size: 14px;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-inner {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-subtitle {
        max-width: 100%;
    }

    .hero-image img {
        width: 240px;
    }

    .feature-row,
    .feature-row.reverse {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }

    .feature-image img {
        width: 220px;
    }

    .feature-text p {
        max-width: 100%;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
    }
}