:root {
    --blue-deep: #031424;
    --blue-mid: #075985;
    --blue-bright: #38bdf8;
    --cyan-soft: #dff7ff;
    --white: #ffffff;
    --glass: rgba(3, 20, 36, 0.74);
    --glass-light: rgba(255, 255, 255, 0.13);
    --border: rgba(255, 255, 255, 0.24);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
    min-height: 100%;
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--white);
    background: var(--blue-deep);
}

body { overflow-x: hidden; }

.video-bg {
            position: fixed;
            inset: 0;
            z-index: 0;
            overflow: hidden;
            background: #000;
        }

        .video-bg video {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .overlay {
            position: fixed;
            inset: 0;
            z-index: 1;
            background:
                linear-gradient(to bottom, rgba(0, 0, 0, 0.45), rgba(0, 20, 35, 0.60)),
                radial-gradient(circle at center, rgba(0, 90, 140, 0.18), rgba(0, 0, 0, 0.35));
        }
.landing {
    min-height: calc(100vh - 58px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 42px 18px 24px;
}

.hero-card {
    width: min(1080px, 100%);
    padding: clamp(20px, 4vw, 46px);
    border: 1px solid var(--border);
    border-radius: 32px;
    background: linear-gradient(145deg, var(--glass), rgba(3, 20, 36, 0.58));
    box-shadow: var(--shadow);
    backdrop-filter: blur(3px);
}

.hero-banner {
    width: min(100%, 1280px);
    aspect-ratio: 16 / 9;
    margin: 0 auto 2rem auto;
    background-image: url('../gfx/needadiver.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 28px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}

.hero-banner img {
    display: none;
}
.eyebrow {
    margin: 0 0 12px;
    color: var(--blue-bright);
    font-size: clamp(0.92rem, 2vw, 1.1rem);
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

h1 {
    max-width: 850px;
    margin: 0;
    font-size: clamp(2.45rem, 6vw, 5.35rem);
    line-height: 0.95;
    letter-spacing: -0.065em;
}

.lead {
    max-width: 850px;
    margin: 24px 0 0;
    color: var(--cyan-soft);
    font-size: clamp(1.15rem, 2.3vw, 1.55rem);
    line-height: 1.48;
}

.trust-box {
    margin: 30px 0;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.1);
}

.trust-box h2 {
    margin: 0 0 8px;
    font-size: clamp(1.35rem, 3vw, 2rem);
}

.trust-box p,
.feature-card p,
.hint {
    color: rgba(255, 255, 255, 0.82);
}

.trust-box p { margin: 0; line-height: 1.55; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 0 0 30px;
}

.feature-card {
    min-height: 180px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 24px;
    background: var(--glass-light);
}

.feature-card img {
    width: 48px;
    height: 48px;
    margin-bottom: 14px;
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 1.18rem;
}

.feature-card p {
    margin: 0;
    line-height: 1.45;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 0 28px;
    border-radius: 999px;
    color: var(--white);
    font-size: 1.08rem;
    font-weight: 800;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-2px);
    outline: none;
}

.btn-call {
    background: linear-gradient(135deg, #0ea5e9, #075985);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.38);
}

.btn-mail {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.13);
}

.hint {
    margin: 22px 0 0;
    font-size: 0.98rem;
}

.footer-links {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 14px 18px 24px;
    color: rgba(255, 255, 255, 0.76);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--blue-bright);
    text-decoration: underline;
}

@media (max-width: 820px) {
    .feature-grid { grid-template-columns: 1fr; }
    .hero-card { border-radius: 24px; }
    .btn { width: 100%; }
}