:root {
    --bg-primary: #050508;
    --bg-secondary: rgba(18, 18, 26, 0.75);
    --bg-tertiary: rgba(30, 30, 40, 0.6);
    --text-primary: #f0f0f0;
    --text-secondary: #b0b0b0;
    --accent: #d4af37;
    --accent-hover: #f3cf7a;
    --border: rgba(212, 175, 55, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Navbar ──────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 24px;
    background: rgba(5, 5, 8, 0.6);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}

.nav-logo {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-nav {
    padding: 8px 20px !important;
    font-size: 14px !important;
    background: var(--accent);
    color: #000 !important;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-nav:hover {
    background: var(--accent-hover);
    color: #000 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

/* ── Hero ─────────────────────────────────────────── */

.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 24px 60px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/static/images/athena_login_bg.webp') no-repeat center 55%;
    background-size: cover;
    filter: brightness(0.92) contrast(1.01);
    z-index: 0;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle, transparent 38%, rgba(0,0,0,0.24) 100%),
        linear-gradient(to bottom, transparent 50%, var(--bg-primary) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 680px;
    margin-top: 20px;
    padding: 48px 48px 44px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(5, 5, 8, 0.3), rgba(5, 5, 8, 0.15));
    border: 1px solid rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(8px);
}

.hero h1 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
    text-shadow: 0 2px 16px rgba(0,0,0,0.6);
}

.hero-subtitle {
    color: var(--accent);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    opacity: 0.85;
    margin-bottom: 32px;
}

.hero-tagline {
    font-size: clamp(17px, 2.2vw, 20px);
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: rgba(212, 175, 55, 0.08);
    transform: translateY(-1px);
}

/* ── Sections ─────────────────────────────────────── */

section {
    padding: 100px 24px;
}

.section-inner {
    max-width: 960px;
    margin: 0 auto;
}

.section-label {
    color: var(--accent);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-weight: 600;
    margin-bottom: 16px;
    opacity: 0.85;
}

.section-title {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 17px;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 56px;
}

/* ── Value Cards ──────────────────────────────────── */

.values {
    background: var(--bg-primary);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 30px;
    backdrop-filter: blur(8px);
    transition: border-color 0.2s, transform 0.2s;
}

.value-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

.value-icon {
    width: 44px;
    height: 44px;
    color: var(--accent);
    margin-bottom: 20px;
    opacity: 0.9;
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.value-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.65;
}

/* ── Product Snapshot ─────────────────────────────── */

.snapshot {
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(18, 18, 26, 0.5) 100%);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(30, 30, 40, 0.35);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 12px;
    transition: border-color 0.2s;
}

.feature-item:hover {
    border-color: rgba(212, 175, 55, 0.2);
}

.feature-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
    opacity: 0.7;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.55;
}

/* ── Trust ────────────────────────────────────────── */

.trust {
    background: var(--bg-primary);
    text-align: center;
}

.trust .section-desc {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

.trust-points {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-point {
    max-width: 220px;
    text-align: center;
}

.trust-point h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.trust-point p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.55;
}

/* ── CTA Footer ───────────────────────────────────── */

.cta-footer {
    background: linear-gradient(180deg, rgba(18, 18, 26, 0.3) 0%, var(--bg-primary) 100%);
    text-align: center;
    padding: 80px 24px 100px;
}

.cta-footer .section-title {
    margin-bottom: 16px;
}

.cta-footer .section-desc {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 36px;
}

/* ── Pricing ──────────────────────────────────────── */

.pricing {
    background: var(--bg-primary);
    text-align: center;
}

.pricing .section-desc {
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    max-width: 360px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 36px;
    backdrop-filter: blur(8px);
}

.pricing-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 13px;
}

.pricing-amount {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 28px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.06);
    color: var(--text-secondary);
    font-size: 15px;
    padding-left: 24px;
    position: relative;
}

.pricing-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ── Footer ───────────────────────────────────────── */

footer {
    border-top: 1px solid rgba(212, 175, 55, 0.08);
    padding: 32px 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    background: var(--bg-primary);
}

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

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

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 640px) {
    .nav-links {
        gap: 20px;
    }

    .nav-links a:not(.btn-nav) {
        font-size: 13px;
    }

    .hero {
        padding: 80px 20px 40px;
        min-height: 70vh;
    }

    section {
        padding: 64px 20px;
    }

    .value-card {
        padding: 28px 24px;
    }

    .trust-points {
        gap: 32px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}