:root {
  --navy: #03075a;
  --navy-700: #0a1180;
  --wave: #2a668f;
  --navy-900: #020538;
  --gold: #dcba29;
  --gold-600: #c4a31c;
  --ink: #0f172a;
  --text: #3f4859;
  --muted: #6b7486;
  --line: #e3e7ef;
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -12px rgba(15, 23, 42, .12);
  --shadow-lg: 0 2px 4px rgba(15, 23, 42, .04), 0 24px 48px -20px rgba(3, 7, 90, .28);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --head: "Manrope", system-ui, -apple-system, sans-serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--header-h); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { background: var(--bg); color: var(--text); font: 400 16px/1.65 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
strong { color: var(--ink); font-weight: 600; }
::selection { background: var(--gold); color: var(--navy-900); }

.ic { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ---------- Loader ---------- */
.loader { position: fixed; inset: 0; z-index: 200; background: #fff; display: grid; place-content: center; justify-items: center; gap: 28px; }
.loader__logo { width: min(260px, 60vw); }
.loader__bar { width: 160px; height: 3px; border-radius: 3px; background: var(--line); overflow: hidden; }
.loader__bar span { display: block; height: 100%; width: 100%; background: var(--gold); transform: scaleX(0); transform-origin: left; }
html:not(.js) .loader, html.loaded .loader { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 8px;
  font: 600 15px/1 var(--head); letter-spacing: .01em; white-space: nowrap;
  transition: background .25s, color .25s, border-color .25s, transform .25s var(--ease), box-shadow .25s;
  border: 1.5px solid transparent;
}
.btn .ic { transition: transform .3s var(--ease); }
.btn:hover .ic:last-child { transform: translateX(3px); }
.btn:hover { transform: translateY(-2px); }
.btn--gold { background: var(--gold); color: var(--navy-900); box-shadow: 0 8px 20px -10px rgba(220, 186, 41, .8); }
.btn--gold:hover { background: var(--gold-600); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-700); box-shadow: var(--shadow-lg); }
.btn--ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn--outline { border-color: var(--line); color: var(--navy); background: #fff; }
.btn--outline:hover { border-color: var(--navy); }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy-900); color: rgba(255, 255, 255, .78); font-size: 13px; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 40px; gap: 24px; }
.topbar__left, .topbar__right { display: flex; align-items: center; gap: 24px; }
.topbar a { display: inline-flex; align-items: center; gap: 8px; transition: color .2s; }
.topbar a:hover { color: var(--gold); }
.topbar .ic { color: var(--gold); }
.topbar .sep { width: 1px; height: 14px; background: rgba(255, 255, 255, .2); }

/* ---------- Header ---------- */
.header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: box-shadow .3s, border-color .3s; }
.header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 24px -16px rgba(15, 23, 42, .25); }
.header__inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); transition: height .3s var(--ease); }
.header.is-scrolled .header__inner { height: 70px; }
.header__brand img { height: 50px; width: auto; transition: height .3s var(--ease); }
.header.is-scrolled .header__brand img { height: 42px; }
.header__nav { display: flex; gap: 30px; margin-left: auto; font: 600 15px var(--head); color: var(--ink); }
.header__nav a { position: relative; padding: 6px 0; transition: color .2s; }
.header__nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gold); transform: scaleX(0); transition: transform .3s var(--ease); }
.header__nav a:hover, .header__nav a.is-active { color: var(--navy); }
.header__nav a:hover::after, .header__nav a.is-active::after { transform: scaleX(1); }
.header__cta { padding: 12px 20px; }
.header__toggle { display: none; width: 44px; height: 44px; margin-left: auto; position: relative; border-radius: 8px; border: 1px solid var(--line); }
.header__toggle span { position: absolute; left: 12px; right: 12px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.header__toggle span:nth-child(1) { top: 15px; }
.header__toggle span:nth-child(2) { top: 21px; }
.header__toggle span:nth-child(3) { top: 27px; }
.header__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.header__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mobile-nav { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: calc(100vh - 124px); min-height: calc(100svh - 124px); display: flex; align-items: center; color: #fff; overflow: hidden; background: var(--navy-900); }
.hero__slides, .hero__slide, .hero__overlay { position: absolute; inset: 0; }
.hero__slide { background-size: cover; background-position: center; opacity: 0; transform: scale(1.08); transition: opacity 1.4s ease, transform 7s linear; }
.hero__slide.is-active { opacity: 1; transform: scale(1); }
.hero__overlay { background: linear-gradient(100deg, rgba(2, 5, 56, .94) 0%, rgba(2, 5, 56, .82) 38%, rgba(2, 5, 56, .35) 75%, rgba(2, 5, 56, .2) 100%), linear-gradient(0deg, rgba(2, 5, 56, .6), transparent 40%); }
.hero__content { position: relative; z-index: 1; padding-top: 80px; padding-bottom: 140px; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); font: 600 13px var(--head); letter-spacing: .02em; margin-bottom: 28px; }
.hero__eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(220, 186, 41, .25); }
.hero__title { font: 800 clamp(36px, 5.4vw, 68px)/1.08 var(--head); letter-spacing: -.025em; max-width: 880px; }
.hero__title .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero__title .line > span { display: inline-block; }
.hero__title strong { color: var(--gold); font-weight: 800; }
.hero__lead { max-width: 600px; margin-top: 24px; font-size: clamp(16px, 1.4vw, 18px); color: rgba(255, 255, 255, .82); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__dots { display: flex; gap: 8px; margin-top: 56px; }
.hero__dots button { width: 34px; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .3); position: relative; overflow: hidden; }
.hero__dots button::after { content: ""; position: absolute; inset: 0; background: var(--gold); transform: scaleX(0); transform-origin: left; }
.hero__dots button.is-active::after { animation: dot 6s linear forwards; }
@keyframes dot { to { transform: scaleX(1); } }

/* ---------- Stats ---------- */
.stats-wrap { position: relative; z-index: 2; margin-top: -72px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.stat { padding: 30px 28px; display: grid; gap: 4px; border-left: 1px solid var(--line); position: relative; }
.stat:first-child { border-left: 0; }
.stat::before { content: ""; position: absolute; left: 28px; top: 0; width: 32px; height: 3px; background: var(--gold); }
.stat__num { font: 800 clamp(32px, 3.4vw, 44px)/1.1 var(--head); color: var(--navy); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat__label { font-size: 14px; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 9vw, 120px) 0; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 60px); }
.section__head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section__sub { margin-top: 16px; color: var(--muted); font-size: 17px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 700 13px var(--head); letter-spacing: .14em; text-transform: uppercase; color: var(--navy); margin-bottom: 14px; }
.kicker::before { content: ""; width: 24px; height: 2px; background: linear-gradient(90deg, var(--gold), var(--wave)); }
.kicker--light { color: var(--gold); }
.title { font: 800 clamp(28px, 3.4vw, 44px)/1.15 var(--head); color: var(--ink); letter-spacing: -.02em; }
.title--light { color: #fff; }
h3 { font: 700 20px/1.3 var(--head); color: var(--ink); }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.about__media { position: relative; padding: 0 0 60px 0; }
.about__img { overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.about__img img { width: 100%; height: 100%; object-fit: cover; }
.about__img--main { width: 82%; aspect-ratio: 4 / 4.6; }
.about__img--sub { position: absolute; right: 0; bottom: 0; width: 50%; aspect-ratio: 1; border: 6px solid #fff; }
.about__badge { position: absolute; left: -12px; bottom: 90px; background: var(--navy); color: #fff; padding: 20px 24px; border-radius: var(--radius); display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-lg); }
.about__badge-num { font: 800 34px/1 var(--head); color: var(--gold); }
.about__badge-txt { font: 600 13px/1.3 var(--head); color: rgba(255, 255, 255, .85); }
.about__body > p { margin-top: 18px; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin: 28px 0; }
.checks li { display: flex; align-items: center; gap: 10px; font: 600 15px var(--head); color: var(--ink); }
.checks .ic { width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: rgba(220, 186, 41, .18); color: var(--gold-600); stroke-width: 3; }
.tabs { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.tabs__head { display: flex; border-bottom: 1px solid var(--line); }
.tabs__head button { flex: 1; padding: 14px; font: 700 14px var(--head); color: var(--muted); position: relative; transition: color .2s; }
.tabs__head button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--navy); transform: scaleX(0); transition: transform .3s var(--ease); }
.tabs__head button.is-active { color: var(--navy); }
.tabs__head button.is-active::after { transform: scaleX(1); }
.tabs__panel { display: none; padding: 20px 22px; font-size: 15px; }
.tabs__panel.is-active { display: block; animation: fade .4s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.service:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service__img { aspect-ratio: 16 / 11; overflow: hidden; }
.service__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.service:hover .service__img img { transform: scale(1.06); }
.service__body { position: relative; padding: 40px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.service__icon { position: absolute; top: -28px; left: 24px; width: 56px; height: 56px; border-radius: 12px; background: var(--navy); color: var(--gold); display: grid; place-items: center; box-shadow: 0 10px 20px -8px rgba(3, 7, 90, .5); transition: background .3s; }
.service__icon .ic { width: 28px; height: 28px; }
.service:hover .service__icon { background: var(--gold); color: var(--navy); }
.service ul { margin: 14px 0 20px; display: grid; gap: 8px; }
.service li { font-size: 14px; padding-left: 16px; position: relative; line-height: 1.5; }
.service li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.service__link { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font: 700 14px var(--head); color: var(--navy); }
.service__link .ic { transition: transform .3s var(--ease); }
.service__link:hover .ic { transform: translateX(4px); }

/* ---------- Engines ---------- */
.engines { background: var(--navy-900); color: rgba(255, 255, 255, .78); position: relative; overflow: hidden; }
.engines::before { content: ""; position: absolute; right: -200px; top: -200px; width: 600px; height: 600px; border-radius: 50%; border: 80px solid rgba(220, 186, 41, .05); }
.engines__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: center; position: relative; }
.engines__body > p { margin-top: 18px; }
.brands { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 32px 0 36px; }
.brands li { padding: 14px 12px; text-align: center; border: 1px solid rgba(255, 255, 255, .12); border-radius: 8px; font: 700 15px var(--head); color: #fff; background: rgba(255, 255, 255, .03); transition: border-color .25s, background .25s, color .25s; }
.brands li:hover { border-color: var(--gold); color: var(--gold); background: rgba(220, 186, 41, .06); }
.engines__media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.engines__media figure { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; }
.engines__media figure:nth-child(2), .engines__media figure:nth-child(4) { top: 32px; }
.engines__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.engines__media figure:hover img { transform: scale(1.06); }
.engines__media figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 32px 14px 12px; font: 600 13px var(--head); color: #fff; background: linear-gradient(transparent, rgba(2, 5, 56, .9)); }

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature { padding: 32px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .3s, box-shadow .3s, transform .4s var(--ease); }
.feature:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature__icon { width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; background: rgba(3, 7, 90, .07); color: var(--navy); margin-bottom: 20px; transition: background .3s, color .3s; }
.feature:hover .feature__icon { background: var(--navy); color: var(--gold); }
.feature__icon .ic { width: 26px; height: 26px; }
.feature p { margin-top: 10px; font-size: 15px; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process::before { content: ""; position: absolute; top: 31px; left: 12%; right: 12%; height: 2px; background: repeating-linear-gradient(90deg, var(--navy) 0 8px, transparent 8px 16px); opacity: .25; }
.process li { text-align: center; position: relative; padding: 0 8px; }
.process__n { width: 64px; height: 64px; margin: 0 auto 20px; display: grid; place-items: center; border-radius: 50%; background: #fff; border: 2px solid var(--navy); font: 800 18px var(--head); color: var(--navy); position: relative; transition: background .3s, color .3s; }
.process li:hover .process__n { background: var(--navy); color: var(--gold); }
.process p { margin-top: 8px; font-size: 15px; }

/* ---------- Experience ---------- */
.exp { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.exp__card { padding: 32px; border-radius: var(--radius); background: var(--bg-alt); border-top: 3px solid var(--gold); }
.exp__icon { width: 48px; height: 48px; border-radius: 10px; background: var(--navy); color: var(--gold); display: grid; place-items: center; margin-bottom: 20px; }
.exp__icon .ic { width: 24px; height: 24px; }
.exp ul { margin-top: 16px; display: grid; }
.exp li { padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; display: flex; gap: 10px; }
.exp li::before { content: "✓"; color: var(--gold-600); font-weight: 700; }

/* ---------- Gallery ---------- */
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 36px; }
.filters button { padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font: 600 14px var(--head); color: var(--text); transition: all .25s; }
.filters button:hover { border-color: var(--navy); color: var(--navy); }
.filters button.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; gap: 14px; grid-auto-flow: dense; }
.gallery figure { position: relative; overflow: hidden; border-radius: var(--radius); cursor: zoom-in; background: #dfe3ea; }
.gallery figure:nth-child(6n + 1) { grid-row: span 2; }
.gallery figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.gallery figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 50%, rgba(2, 5, 56, .7)); opacity: 0; transition: opacity .35s; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figure:hover::after { opacity: 1; }
.gallery figure.is-hidden { display: none; }

/* ---------- Docs ---------- */
.docs { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.docs__body p { margin: 18px 0 28px; }
.docs__list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.docs__list li { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 8px; border: 1px solid var(--line); background: #fff; font: 600 14px var(--head); color: var(--ink); transition: border-color .25s, box-shadow .25s; }
.docs__list li:hover { border-color: var(--gold); box-shadow: var(--shadow); }
.docs__list .ic { color: var(--navy); width: 22px; height: 22px; }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; color: #fff; padding: clamp(64px, 8vw, 100px) 0; background: var(--navy); }
.cta__bg { position: absolute; inset: -20% 0; background-size: cover; background-position: center; opacity: .18; filter: grayscale(1); }
.cta::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--navy-900), rgba(3, 7, 90, .7)); }
.cta__inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { font: 800 clamp(28px, 3.4vw, 42px)/1.15 var(--head); letter-spacing: -.02em; }
.cta p { margin-top: 10px; color: rgba(255, 255, 255, .78); font-size: 17px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 6vw, 72px); align-items: start; }
.contact__info > p { margin-top: 16px; }
.contact__cards { display: grid; gap: 14px; margin-top: 32px; }
.ccard { display: flex; align-items: flex-start; gap: 16px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .25s, box-shadow .25s; color: var(--ink); font: 600 15px/1.5 var(--head); }
a.ccard:hover, .ccard:hover { border-color: var(--navy); box-shadow: var(--shadow); }
.ccard > span:last-child { display: grid; }
.ccard small { font: 500 13px var(--body); color: var(--muted); margin-bottom: 2px; }
.ccard a:hover { color: var(--navy); }
.ccard__icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(3, 7, 90, .07); color: var(--navy); display: grid; place-items: center; flex: none; }
.ccard__icon .ic { width: 22px; height: 22px; }
.form { padding: clamp(28px, 4vw, 40px); border-radius: 14px; background: #fff; box-shadow: var(--shadow-lg); border: 1px solid var(--line); display: grid; gap: 18px; }
.form h3 { font-size: 24px; margin-bottom: 4px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 8px; font: 600 13px var(--head); color: var(--ink); }
.form input, .form select, .form textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-alt); font: 400 15px var(--body); color: var(--ink); transition: border-color .2s, background .2s, box-shadow .2s; }
.form textarea { resize: vertical; min-height: 110px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 0; border-color: var(--navy); background: #fff; box-shadow: 0 0 0 4px rgba(3, 7, 90, .08); }
.form .is-invalid { border-color: #d33; background: #fff6f6; }
.form__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.form__msg { font-size: 14px; color: var(--muted); min-height: 1.4em; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: rgba(255, 255, 255, .65); font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-top: 72px; padding-bottom: 56px; }
.footer__logo { height: 52px; width: auto; margin-bottom: 20px; }
.footer__brand p { max-width: 360px; }
.footer h4 { font: 700 15px var(--head); color: #fff; margin-bottom: 18px; }
.footer ul { display: grid; gap: 10px; }
.footer a { transition: color .2s; overflow-wrap: anywhere; }
.footer a:hover { color: var(--gold); }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; padding-bottom: 24px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13px; }

/* ---------- Floating ---------- */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 24px -8px rgba(37, 211, 102, .7); transition: transform .3s var(--ease); }
.wa-float .ic { width: 30px; height: 30px; }
.wa-float:hover { transform: scale(1.08); }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #25d366; animation: pulse 2.4s infinite; z-index: -1; }
@keyframes pulse { 0% { transform: scale(1); opacity: .5; } 100% { transform: scale(1.7); opacity: 0; } }
.to-top { position: fixed; right: 30px; bottom: 92px; z-index: 90; width: 42px; height: 42px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease); box-shadow: var(--shadow-lg); }
.to-top .ic { transform: rotate(-90deg); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--gold); color: var(--navy); }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 150; background: rgba(2, 5, 56, .95); display: grid; place-items: center; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: min(1200px, 88vw); max-height: 80vh; object-fit: contain; border-radius: 8px; }
.lightbox__close { position: absolute; top: 18px; right: 22px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255, 255, 255, .1); color: #fff; font-size: 18px; }
.lightbox__nav { position: absolute; top: 50%; translate: 0 -50%; width: 52px; height: 52px; border-radius: 50%; background: rgba(255, 255, 255, .1); color: #fff; font-size: 30px; line-height: 1; }
.lightbox__close:hover, .lightbox__nav:hover { background: var(--gold); color: var(--navy); }
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }
.lightbox__caption { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; color: rgba(255, 255, 255, .75); font: 600 14px var(--head); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .header__nav { gap: 22px; font-size: 14px; }
  .services, .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .header__nav, .header__cta { display: none; }
  .header__toggle { display: block; }
  .mobile-nav { display: grid; gap: 4px; padding: 0 24px; max-height: 0; overflow: hidden; background: #fff; transition: max-height .45s var(--ease), padding .45s var(--ease); }
  .mobile-nav.is-open { max-height: 520px; padding: 8px 24px 24px; border-top: 1px solid var(--line); }
  .mobile-nav a:not(.btn) { padding: 12px 0; font: 600 17px var(--head); color: var(--ink); border-bottom: 1px solid var(--line); }
  .mobile-nav .btn { margin-top: 16px; }
  .about__grid, .engines__grid, .docs, .contact { grid-template-columns: 1fr; }
  .about__media { max-width: 560px; }
  .exp { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  :root { --header-h: 70px; }
  .topbar__right { display: none; }
  .topbar__left { gap: 16px; font-size: 12px; }
  .header__brand img { height: 40px; }
  .hero__content { padding-top: 56px; padding-bottom: 120px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .stat { padding: 24px 20px; }
  .stat::before { left: 20px; }
  .process { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .process::before { display: none; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; gap: 10px; }
  .docs__list { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .lightbox__nav { display: none; }
}
@media (max-width: 560px) {
  .services, .features { grid-template-columns: 1fr; }
  .checks { grid-template-columns: 1fr; }
  .brands { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .about__badge { left: 0; bottom: 70px; padding: 14px 18px; }
  .about__badge-num { font-size: 26px; }
  .hero__actions .btn, .cta__actions .btn, .form__actions .btn { width: 100%; }
  .topbar__left a:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}