* {
    box-sizing: border-box;
}

:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-elevated: #21262d;
    --text: #f0f6fc;
    --text-muted: #8b949e;
    --accent: #3f7f95;
    --accent-hover: #356f83;
    --border: #30363d;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

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

.site-header {
    padding: 14px 0;
    position: absolute;
    top: 18px;
    left: 0;
    width: 100%;
    z-index: 20;
    border-bottom: 0;
    background: transparent;
    backdrop-filter: none;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
    font-weight: 800;
}

.logo-wrap span:last-child {
    font-size: 1.08rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.logo-wrap img {
    width: 40px;
    height: 40px;
}

.logo-image {
    border-radius: 10px;
    background: #e8ecf2;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 4px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px;
}

.nav-links a {
    color: #c9d1d9;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 12px;
    border-radius: 999px;
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.09);
}

.hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    text-align: center;
    background-image: linear-gradient(rgba(13, 17, 23, 0.68), rgba(13, 17, 23, 0.88)), url("landing-page-background.png");
    background-size: cover;
    background-position: center;
}

.hero .container {
    padding-top: 104px;
}

.hero h1 {
    margin: 0 0 14px;
    font-size: clamp(2rem, 7vw, 3.8rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.hero .tagline {
    margin: 0 auto 26px;
    max-width: 650px;
    color: #c9d1d9;
    font-size: 1.05rem;
}

.cta {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 12px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(63, 127, 149, 0.35);
}

.cta:hover {
    background: var(--accent-hover);
}

.cta-icon {
    font-size: 1.05rem;
}

.cta-arrow {
    font-size: 0.95rem;
    opacity: 0.9;
}

.features {
    padding: 36px 0 72px;
    background: #0f141b;
}

.features .container {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.features-head {
    grid-column: 1 / -1;
    margin-bottom: 10px;
}

.features-title {
    margin: 0 0 6px;
    font-size: clamp(1.75rem, 3.8vw, 2.2rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.features-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.98rem;
}

.feature-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    padding: 28px 20px 24px;
    border-radius: 24px;
    border: 1px solid #3a3f46;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 60%), #1a1d23;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.26);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature-card::before {
    display: none;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #5a6068;
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.35);
}

.feature-card .icon {
    width: 78px;
    height: 78px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(77, 163, 255, 0.16);
    color: #8ec5ff;
    flex-shrink: 0;
    font-size: 1.5rem;
}

.feature-card strong {
    display: block;
    margin-bottom: 6px;
    font-size: 1.35rem;
    line-height: 1.2;
    font-weight: 800;
}

.feature-card span {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    max-width: 28ch;
}

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    padding: 34px 0 30px;
    background: linear-gradient(180deg, #0f141b 0%, #0b1016 100%);
}

.site-footer .container {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 18px 20px;
}

.site-footer p {
    margin: 0 0 10px;
    color: #b6c2cf;
    font-size: 0.92rem;
    line-height: 1.5;
}

.site-footer p a,
.site-footer p a:visited {
    color: #d8e5f5;
    text-decoration: none;
}

.site-footer p a:hover {
    color: #ffffff;
    text-decoration: none;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #c6d1de;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 6px 4px;
    border-radius: 0;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    transform: translateY(-1px);
    text-decoration: none;
}

.page {
    padding: 44px 0 70px;
}

.subpage .site-header {
    position: static;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(120deg, rgba(16, 33, 50, 0.96), rgba(13, 17, 23, 0.96));
    backdrop-filter: blur(8px);
}

.page h1 {
    margin: 0 0 8px;
    font-size: 1.75rem;
}

.privacy-hero {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
}

.privacy-hero-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(63, 127, 149, 0.18);
    color: #9dd2ff;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.privacy-kicker {
    margin: 0 0 2px;
    color: #9fb6ce;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-weight: 700;
}

.page .updated {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page h2 {
    margin: 22px 0 8px;
    font-size: 1.1rem;
}

.page p {
    margin: 0 0 12px;
    color: #c9d1d9;
}

.page a {
    color: var(--accent);
}

@media (max-width: 900px) {
    .features .container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }

    .site-header .container {
        flex-direction: column;
        align-items: stretch;
    }

    .site-header {
        top: 10px;
    }

    .nav-links {
        justify-content: space-between;
    }

    .nav-links a {
        flex: 1;
        text-align: center;
    }

    .hero {
        min-height: 74vh;
    }

    .hero .container {
        padding-top: 88px;
    }

    .hero .tagline {
        font-size: 0.98rem;
    }

    .feature-card {
        border-radius: 18px;
        padding: 22px 16px 20px;
    }

    .feature-card .icon {
        width: 66px;
        height: 66px;
        border-radius: 14px;
        font-size: 1.3rem;
    }

    .privacy-hero {
        padding: 14px;
        gap: 10px;
    }

    .privacy-hero-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        font-size: 1rem;
    }
}