* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --brand: #00b1f7;
    --bg: #05080f; --bg-alt: #0a101c; --card: #0d1526;
    --ink: #e8eef7; --muted: #92a3b8; --line: #1c2a44; --line-hover: #2d4a6e;
    --radius: 14px;
    --grad: linear-gradient(135deg, #3b82f6, var(--brand));
}
html { scroll-behavior: smooth; }
body { font-family: 'Space Grotesk', -apple-system, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 780px; }

/* header */
header { position: sticky; top: 0; background: rgba(5,8,15,0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 14px; }
.logo { font-weight: 700; font-size: 1.12rem; letter-spacing: -0.4px; display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo img { height: 36px; width: auto; filter: drop-shadow(0 0 10px color-mix(in srgb, var(--brand) 40%, transparent)); }
.logo span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
nav { display: flex; gap: 24px; align-items: center; font-size: 0.88rem; font-weight: 500; color: var(--muted); }
nav a { position: relative; transition: color .2s; }
nav a:hover { color: var(--ink); }
nav a:not(.nav-cta)::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: var(--grad); transition: width .2s; }
nav a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { background: var(--grad); color: #fff !important; padding: 9px 20px; border-radius: 9px; font-weight: 600; box-shadow: 0 0 22px color-mix(in srgb, var(--brand) 35%, transparent); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--ink); border-radius: 2px; margin: 4.5px 0; transition: .25s; }

@media (max-width: 720px) {
    .nav-toggle { display: block; }
    nav { position: fixed; top: 66px; left: 0; right: 0; background: rgba(5,8,15,0.98); flex-direction: column; align-items: stretch; padding: 12px 24px 20px; gap: 0; border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .22s; }
    body.nav-open nav { transform: none; opacity: 1; visibility: visible; }
    nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
    nav a:not(.nav-cta)::after { display: none; }
    .nav-cta { text-align: center; margin-top: 14px; border-bottom: 0 !important; }
    body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
    body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* hero */
.hero { position: relative; padding: 110px 0; text-align: center; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -240px; right: -180px; width: 680px; height: 680px; background: radial-gradient(circle, color-mix(in srgb, var(--brand) 16%, transparent) 0%, transparent 65%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -220px; left: -160px; width: 560px; height: 560px; background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 65%); pointer-events: none; }
.hero-img { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,8,15,0.72), rgba(5,8,15,0.88)); }
.hero-content { position: relative; z-index: 1; }
.hero-badge { display: inline-block; background: color-mix(in srgb, var(--brand) 10%, transparent); color: var(--brand); border: 1px solid color-mix(in srgb, var(--brand) 35%, transparent); font-size: 0.78rem; font-weight: 600; padding: 7px 17px; border-radius: 100px; margin-bottom: 22px; letter-spacing: 1px; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); font-weight: 700; letter-spacing: -1.2px; line-height: 1.12; margin-bottom: 18px; background: linear-gradient(160deg, #ffffff 0%, #cbd5e1 55%, #93c5fd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto 32px; }
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn { display: inline-block; background: var(--grad); color: #fff; font-weight: 600; font-size: 0.95rem; padding: 14px 32px; border-radius: 11px; border: 0; cursor: pointer; font-family: inherit; box-shadow: 0 0 26px color-mix(in srgb, var(--brand) 32%, transparent); transition: filter .15s, transform .15s; }
.btn:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn.ghost { background: rgba(59,130,246,0.05); color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.btn.ghost:hover { border-color: var(--brand); }
.btn.light { background: #fff; color: #0b1524; box-shadow: 0 6px 24px rgba(0,0,0,0.3); }

/* sections */
section { padding: 84px 0; }
section.alt { background: var(--bg-alt); }
.eyebrow { display: block; text-align: center; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2.5px; margin-bottom: 10px; }
h2 { font-size: clamp(1.55rem, 4vw, 2.15rem); font-weight: 700; letter-spacing: -0.6px; margin-bottom: 36px; text-align: center; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand) 15%, transparent), 0 18px 44px rgba(0,0,0,0.4); }
.card .icon { font-size: 1.9rem; margin-bottom: 14px; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: color-mix(in srgb, var(--brand) 10%, transparent); border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent); border-radius: 14px; }
.card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.92rem; }
.card.quote .stars { color: #fbbf24; letter-spacing: 2px; margin-bottom: 10px; font-size: 0.9rem; }
.card.quote p { font-size: 0.97rem; color: var(--ink); margin-bottom: 14px; }
.card.quote span { color: var(--muted); font-size: 0.85rem; font-weight: 600; }

.about-p { color: var(--muted); margin-bottom: 16px; font-size: 1.02rem; text-align: center; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.gallery figure { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--card); }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; transition: transform .3s; }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption { padding: 10px 14px; font-size: 0.85rem; color: var(--muted); }

/* faq */
.faq { border: 1px solid var(--line); border-radius: 12px; background: var(--card); margin-bottom: 12px; overflow: hidden; transition: border-color .2s; }
.faq:hover { border-color: var(--line-hover); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 600; font-size: 0.98rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--brand); font-size: 1.3rem; transition: transform .2s; }
.faq[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq p { padding: 0 22px 18px; color: var(--muted); font-size: 0.93rem; }

/* news */
.news-item { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 18px; background: var(--card); }
.news-item h3 { font-size: 1.12rem; font-weight: 700; }
.news-item time { display: block; color: var(--brand); font-size: 0.76rem; font-weight: 600; margin: 4px 0 12px; text-transform: uppercase; letter-spacing: 1.4px; }
.news-item p { color: var(--muted); font-size: 0.95rem; margin-bottom: 10px; }

/* cta strip */
.cta-strip { background: linear-gradient(120deg, #1d4ed8, color-mix(in srgb, var(--brand) 75%, #0b1524)); color: #fff; text-align: center; padding: 64px 0; position: relative; overflow: hidden; }
.cta-strip::before { content: ''; position: absolute; top: -140px; left: 50%; transform: translateX(-50%); width: 640px; height: 380px; background: radial-gradient(ellipse, rgba(255,255,255,0.14), transparent 65%); }
.cta-strip h2 { color: #fff; margin-bottom: 8px; position: relative; }
.cta-strip p { opacity: 0.88; margin-bottom: 26px; position: relative; }
.cta-strip .btn { position: relative; }

/* contact */
.contact { background: var(--bg-alt); }
.contact-cols { display: grid; grid-template-columns: 1fr; gap: 40px; max-width: 900px; margin: 0 auto; }
@media (min-width: 800px) { .contact-cols { grid-template-columns: 0.8fr 1.2fr; } }
.contact-info { display: grid; gap: 22px; align-content: start; }
.contact-info h4 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.8px; color: var(--muted); margin-bottom: 4px; }
.contact-info a:hover { color: var(--brand); }
.contact-info p, .contact-info a { font-size: 1rem; }
.contact-form label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 14px; color: var(--muted); }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 6px; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-size: 0.95rem; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--brand); }
.contact-form textarea { resize: vertical; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; }
.sent-note { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.35); color: #4ade80; border-radius: 10px; padding: 13px 16px; font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; }

/* footer */
footer { padding: 26px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 0.82rem; }
.socials { display: flex; gap: 16px; font-weight: 600; }
.socials a:hover { color: var(--brand); }
.footer-credit a { color: var(--brand); font-weight: 600; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== v4: rich text, custom sections, pages ===== */
.richtext p { color: var(--muted); margin-bottom: 14px; font-size: 1.0rem; }
.richtext.centered p { text-align: center; }
.richtext ul, .richtext ol { color: var(--muted); margin: 0 0 14px 22px; }
.richtext li { margin-bottom: 6px; }
.richtext a { color: var(--brand); font-weight: 600; }
.richtext a:hover { text-decoration: underline; }
.richtext b, .richtext strong { color: var(--ink); }
.richtext h3 { color: var(--ink); font-size: 1.15rem; margin: 20px 0 10px; }
.faq-body { padding: 0 22px 18px; }
.faq-body p { font-size: 0.93rem; margin-bottom: 8px; }
.news-item .richtext p { font-size: 0.95rem; }

.custom-section .cs-title { text-align: left; margin-bottom: 18px; }
.cs-split { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
.cs-split img { border-radius: var(--radius); border: 1px solid var(--line); width: 100%; }
.cs-split .richtext p { text-align: left; }
@media (min-width: 800px) {
    .cs-split { grid-template-columns: 1fr 1.1fr; }
    .cs-split.flip img { order: 2; }
}

.page-hero { padding: 84px 0 36px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; top: -260px; left: 50%; transform: translateX(-50%); width: 700px; height: 500px; background: radial-gradient(ellipse, color-mix(in srgb, var(--brand) 13%, transparent), transparent 65%); pointer-events: none; }
.page-hero h1 { position: relative; font-size: clamp(1.9rem, 5vw, 2.8rem); font-weight: 700; letter-spacing: -1px; background: linear-gradient(160deg, #ffffff 0%, #cbd5e1 55%, #93c5fd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.page-body { padding: 24px 0 84px; }
nav a.active { color: var(--ink); }