:root {
  --navy: #0b1f33;
  --navy2: #12304d;
  --brass: #b8975a;
  --paper: #f6f7f9;
  --ink: #1b2430;
  --mute: #5b6776;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font: 400 16px/1.7 var(--sans); color: var(--ink); background: var(--paper); }
img { display: block; width: 100%; height: 100%; object-fit: cover; background: var(--navy2); }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; color: var(--navy); }
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); color: #fff; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 14px; }
h3 { font-size: 1.5rem; margin-bottom: 6px; }
p { color: var(--mute); max-width: 62ch; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 84px 22px; }
.head { text-align: center; margin-bottom: 44px; }
.head p { margin: 0 auto; }
.dark { background: var(--navy); }
.dark h2, .dark h3 { color: #fff; }
.dark p { color: #b9c4d0; }

/* header */
.top { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; padding: 16px 28px; background: rgba(11, 31, 51, .96); backdrop-filter: blur(8px); }
.brand { font: 600 1.9rem var(--serif); color: #fff; letter-spacing: .04em; }
.top nav { display: flex; gap: 6px; }
.top nav a { color: #d7dee6; padding: 8px 16px; border-radius: 40px; font-size: .95rem; transition: .3s; }
.top nav a:hover, .top nav a.on { background: var(--brass); color: var(--navy); }
#m, .burger { display: none; }

/* buttons */
.btn { display: inline-block; padding: 14px 32px; border: 0; border-radius: 40px; background: var(--brass); color: var(--navy); font: 700 .95rem var(--sans); cursor: pointer; transition: transform .3s, box-shadow .3s; }
.btn:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(184, 151, 90, .4); }
.btn.line { background: none; border: 1px solid #fff; color: #fff; }

/* hero carousel */
.hero { position: relative; height: min(88vh, 720px); min-height: 520px; overflow: hidden; background: var(--navy); }
.hero.sm { height: 380px; min-height: 0; }
.slide { position: absolute; inset: 0; opacity: 0; animation: fade 18s infinite; }
.slide:nth-child(2) { animation-delay: 6s; }
.slide:nth-child(3) { animation-delay: 12s; }
.slide img { animation: drift 18s infinite alternate; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11, 31, 51, .9), rgba(11, 31, 51, .25)); }
.hero .txt { position: absolute; z-index: 2; left: max(22px, calc((100% - 1180px) / 2 + 22px)); bottom: 15%; right: 22px; animation: rise 1.2s both; }
.hero .txt p { color: #dbe3ea; margin: 18px 0 28px; font-size: 1.1rem; }
.hero .btn + .btn { margin-left: 10px; }
@keyframes fade { 0% { opacity: 0 } 6%, 33% { opacity: 1 } 39%, 100% { opacity: 0 } }
@keyframes drift { to { transform: scale(1.1); } }
@keyframes rise { from { opacity: 0; transform: translateY(40px); } }

/* quick booking bar */
.book { position: relative; z-index: 5; max-width: 1100px; margin: -48px auto 0; padding: 22px; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; background: #fff; border-radius: 18px; box-shadow: 0 24px 60px rgba(11, 31, 51, .22); }
label { font-size: .8rem; font-weight: 700; color: var(--navy); display: block; }
input, select, textarea { width: 100%; margin-top: 6px; padding: 13px 14px; border: 1px solid #d3dae2; border-radius: 10px; font: inherit; background: #fff; transition: border .3s, box-shadow .3s; }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--brass); box-shadow: 0 0 0 4px rgba(184, 151, 90, .2); }
.book .btn { align-self: end; }

/* grids and cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.box { padding: 32px; background: #fff; border-radius: 16px; border-bottom: 3px solid transparent; transition: transform .4s, border-color .4s, box-shadow .4s; }
.box:hover { transform: translateY(-8px); border-color: var(--brass); box-shadow: 0 22px 44px rgba(11, 31, 51, .12); }
.dark .box { background: var(--navy2); }
.ico { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 18px; border-radius: 50%; background: var(--navy); color: var(--brass); font: 600 1.5rem var(--serif); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; text-align: center; padding: 56px 22px; max-width: 1180px; margin: 0 auto; }
.stats b { display: block; font: 600 3rem var(--serif); color: var(--brass); }
.stats span { color: #b9c4d0; }

/* car cards: 3D tilt */
.cars { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 28px; perspective: 1200px; }
.car { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(11, 31, 51, .08); transition: transform .5s, box-shadow .5s; }
.car:hover { transform: rotateX(4deg) rotateY(-7deg) translateZ(20px); box-shadow: 18px 28px 50px rgba(11, 31, 51, .22); }
.car .pic { height: 190px; overflow: hidden; }
.car .pic img { transition: transform .8s; }
.car:hover .pic img { transform: scale(1.12); }
.car .in { padding: 22px; }
.car ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 16px; }
.car li { padding: 3px 12px; font-size: .78rem; border-radius: 20px; background: var(--paper); color: var(--mute); }
.car .row { display: flex; justify-content: space-between; align-items: center; }
.car .row b { font: 600 1.7rem var(--serif); color: var(--navy); }
.car .row small { color: var(--mute); }
.car .btn { padding: 10px 22px; }

/* 3D ring carousel */
.stage { perspective: 1500px; height: 360px; display: grid; place-items: center; overflow: hidden; }
.ring { position: relative; width: 260px; height: 190px; transform-style: preserve-3d; animation: spin 36s linear infinite; }
.ring:hover { animation-play-state: paused; }
.ring figure { position: absolute; inset: 0; border-radius: 14px; overflow: hidden; border: 2px solid var(--brass); transform: rotateY(calc(var(--i) * 60deg)) translateZ(400px); box-shadow: 0 20px 40px rgba(0, 0, 0, .4); }
.ring figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 8px 14px; background: rgba(11, 31, 51, .85); color: #fff; font-size: .85rem; }
@keyframes spin { to { transform: rotateY(-360deg); } }

/* steps, quotes, faq */
.steps { counter-reset: s; }
.steps .box::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 50%; background: var(--brass); color: var(--navy); font-weight: 800; }
.quote p { color: var(--ink); font-family: var(--serif); font-size: 1.3rem; line-height: 1.4; }
.quote b { display: block; margin-top: 14px; color: var(--navy); font-size: .9rem; }
.faq { max-width: 820px; margin: 0 auto; }
details { margin-bottom: 12px; padding: 18px 24px; background: #fff; border-radius: 12px; transition: box-shadow .3s; }
details[open] { box-shadow: 0 14px 30px rgba(11, 31, 51, .1); border-left: 3px solid var(--brass); }
summary { cursor: pointer; font-weight: 700; color: var(--navy); }
details p { margin-top: 10px; }

/* split sections and forms */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .pic { height: 440px; border-radius: 18px; overflow: hidden; transition: transform .6s; }
.split .pic:hover { transform: perspective(1000px) rotateY(-6deg) scale(1.02); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 36px; background: #fff; border-radius: 18px; box-shadow: 0 20px 50px rgba(11, 31, 51, .1); }
.form .full { grid-column: 1 / -1; }
.cta { text-align: center; }
.cta p { margin: 0 auto 26px; }

/* footer */
footer { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 36px; padding: 40px 22px; background: #07141f; color: #c5cfda; text-align: center; font-size: .95rem; }
footer .by { flex-basis: 100%; margin-top: 8px; padding-top: 18px; border-top: 1px solid #1d3248; color: var(--brass); font-family: var(--serif); font-size: 1.15rem; }

/* responsive */
@media (max-width: 860px) {
  .burger { display: block; width: 28px; cursor: pointer; }
  .burger span, .burger span::before, .burger span::after { display: block; height: 2px; background: #fff; position: relative; transition: .3s; content: ""; }
  .burger span::before { top: -8px; position: absolute; width: 100%; }
  .burger span::after { top: 8px; position: absolute; width: 100%; }
  .top nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: 0 22px; max-height: 0; overflow: hidden; background: var(--navy); transition: max-height .4s, padding .4s; }
  #m:checked ~ nav { max-height: 360px; padding: 12px 22px 22px; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .split .pic { height: 280px; }
  .form { grid-template-columns: 1fr; padding: 24px; }
  .wrap { padding: 60px 18px; }
  .hero .btn + .btn { margin: 12px 0 0; }
  .stage { height: 260px; }
  .ring { width: 190px; height: 140px; }
  .ring figure { transform: rotateY(calc(var(--i) * 60deg)) translateZ(260px); }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .slide:first-child { opacity: 1; }
}