*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --bg-gradient-start: #020b24;
    --bg-gradient-end: #041b44;
    --accent: #27c3ff;
    --accent-soft: rgba(39, 195, 255, 0.18);
    --accent-strong: #4af0ff;
    --text-main: #f5f7ff;
    --text-muted: #9ba4c7;
    --surface: rgba(7, 22, 61, 0.85);
    --border-subtle: rgba(82, 116, 196, 0.35);
    --danger: #ff5b7f;
    --radius-lg: 22px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
    --shadow-subtle: 0 10px 30px rgba(3, 12, 41, 0.8);
    --nav-height: 70px;
    --transition-fast: 0.18s ease-out;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    color: var(--text-main);
    background: radial-gradient(circle at top left, #07296b, #020b24 45%, #010516 80%), linear-gradient(160deg, var(--bg-gradient-start), var(--bg-gradient-end));
    background-attachment: fixed;
    line-height: 1.6;
}

/* Layout helpers */

main {
    padding: calc(var(--nav-height) + 20px) 16px 40px;
}

section {
    max-width: 1120px;
    margin: 0 auto 40px;
}

.glass-card {
    background: linear-gradient(145deg, rgba(7, 22, 61, 0.93), rgba(3, 12, 40, 0.9));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    padding: 22px 24px;
}

/* Header & Nav */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    backdrop-filter: blur(18px);
    background: linear-gradient(to right, rgba(1, 7, 27, 0.96), rgba(3, 16, 52, 0.96));
    border-bottom: 1px solid rgba(50, 88, 196, 0.4);
}

.nav-shell {
    max-width: 1120px;
    margin: 0 auto;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    box-shadow: 0 0 28px rgba(39, 195, 255, 0.6);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    color: var(--text-main);
}

.brand-tagline {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--text-muted);
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.nav-links a:hover {
    color: var(--accent-strong);
    border-color: rgba(39, 195, 255, 0.4);
    background: linear-gradient(135deg, rgba(18, 105, 185, 0.5), rgba(5, 32, 95, 0.3));
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    width: 36px;
    height: 32px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid rgba(79, 111, 189, 0.7);
    background: radial-gradient(circle at top left, rgba(39, 195, 255, 0.26), rgba(4, 23, 69, 0.9));
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-main);
    border-radius: 999px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hero */

.hero {
    margin-top: 18px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr);
    gap: 20px;
}

.hero-copy h1 {
    font-size: clamp(1.9rem, 4vw, 2.3rem);
    line-height: 1.2;
    margin: 0 0 8px;
}

.hero-lead {
    margin: 0 0 14px;
    font-size: 0.98rem;
    color: #c0c8ec;
}

.hero-points {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.hero-points li {
    position: relative;
    padding-left: 18px;
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.hero-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-strong), var(--accent));
    box-shadow: 0 0 12px rgba(39, 195, 255, 0.8);
}

.hero-note {
    font-size: 0.88rem;
    color: var(--text-muted);
    border-top: 1px dashed rgba(112, 142, 212, 0.6);
    padding-top: 10px;
    margin-top: 8px;
}

.hero-side {
    display: grid;
    grid-template-rows: auto auto;
    gap: 16px;
}

.side-title {
    margin: 0 0 12px;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-strong);
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.metric {
    border-radius: 16px;
    padding: 10px 10px;
    background: radial-gradient(circle at top left, rgba(39, 195, 255, 0.2), rgba(5, 24, 78, 0.6));
    border: 1px solid rgba(69, 137, 217, 0.7);
    box-shadow: var(--shadow-subtle);
}

.metric-label {
    display: block;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.metric-value {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--accent-strong);
}

.side-text {
    font-size: 0.86rem;
    color: var(--text-muted);
    margin: 0 0 10px;
}

.side-domain {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-muted);
}

.side-domain span {
    color: var(--accent-strong);
}

/* Divider */

.divider {
    max-width: 1120px;
    margin: 0 auto 36px;
}

.divider-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(58, 111, 214, 0.9), transparent);
    box-shadow: 0 0 22px rgba(39, 195, 255, 0.7);
}

/* Sections */

.section-header {
    margin-bottom: 18px;
}

.section-header h2 {
    margin: 0 0 4px;
    font-size: 1.2rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-subtitle {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Privacy */

.privacy-section .privacy-article h3 {
    margin-top: 12px;
    margin-bottom: 6px;
    font-size: 1rem;
}

.privacy-section .privacy-article h4 {
    margin-top: 10px;
    margin-bottom: 4px;
    font-size: 0.95rem;
    color: var(--accent-strong);
}

.privacy-section p {
    font-size: 0.9rem;
    color: #d0d5f2;
    margin-top: 4px;
    margin-bottom: 8px;
}

.privacy-section ul {
    padding-left: 18px;
    margin-top: 4px;
    margin-bottom: 8px;
}

.privacy-section li {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.privacy-section a {
    color: var(--accent-strong);
}

/* Contact */

.contact-section {
    margin-top: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr);
    gap: 18px;
}

.contact-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0;
    margin-bottom: 10px;
}

.contact-text a {
    color: var(--accent-strong);
}

.contact-form {
    display: grid;
    gap: 10px;
}

.contact-form label {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.contact-form textarea,
.contact-form input {
    border-radius: 14px;
    border: 1px solid rgba(91, 127, 214, 0.8);
    background: radial-gradient(circle at top left, rgba(39, 195, 255, 0.12), rgba(3, 11, 34, 0.96));
    padding: 10px 12px;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    box-shadow: inset 0 0 0 1px rgba(1, 4, 16, 0.85);
}

.contact-form textarea:focus,
.contact-form input:focus {
    border-color: var(--accent-strong);
    box-shadow: 0 0 0 1px rgba(39, 195, 255, 0.75);
}

.contact-form button {
    margin-top: 6px;
    border-radius: 999px;
    padding: 11px 18px;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    color: #021025;
    background: radial-gradient(circle at top left, var(--accent-strong), var(--accent));
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.8);
    transition: transform 0.16s ease-out, box-shadow 0.16s ease-out, filter 0.16s ease-out;
}

.contact-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.9);
    filter: brightness(1.08);
}

.contact-form button:active {
    transform: translateY(1px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.8);
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(62, 96, 190, 0.6);
    padding: 16px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: radial-gradient(circle at bottom, rgba(10, 40, 104, 0.9), rgba(1, 6, 24, 0.96));
}

.site-footer a {
    color: var(--accent-strong);
}

/* Responsive */

@media (min-width: 720px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1.45fr) minmax(0, 1.05fr);
    }

    .contact-grid {
        grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    }
}

@media (max-width: 720px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: absolute;
        top: var(--nav-height);
        right: 16px;
        left: 16px;
        padding: 10px 12px;
        border-radius: 16px;
        background: radial-gradient(circle at top, rgba(16, 41, 112, 0.97), rgba(4, 10, 35, 0.97));
        border: 1px solid rgba(71, 116, 216, 0.85);
        box-shadow: var(--shadow-soft);
        display: none;
        flex-direction: column;
        gap: 4px;
    }

    .nav-links a {
        width: 100%;
        text-align: left;
        padding: 9px 10px;
    }

    .nav-links.open {
        display: flex;
    }

    .hero {
        margin-top: 10px;
    }
}