/* =========================================================
   БАЗИС · вариант 4: ночное небо, силуэты берёз, два стеклянных окна
   ========================================================= */
:root {
  --night: #060914;
  --night-2: #0b1222;
  --text: #f2f4f8;
  --muted: rgba(242,244,248,.62);
  --faint: rgba(242,244,248,.12);
  --glass: rgba(18,24,38,.55);
  --glass-b: rgba(255,255,255,.14);
  --warm: #ffb45a;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --f: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Playfair Display", "Times New Roman", serif;
  --side: clamp(16px, 3vw, 44px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--night); color: var(--text); font: 400 16px/1.5 var(--f); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { display: block; max-width: 100%; }
picture { display: contents; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, ol, ul, figure { margin: 0; padding: 0; }
ol, ul { list-style: none; }
:focus-visible { outline: 2px solid var(--warm); outline-offset: 3px; }
.logo-svg { display: block; width: 100%; height: auto; }
.hp { position: absolute !important; left: -9999px; opacity: 0; }

.js [data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

.pill { display: inline-flex; align-items: center; justify-content: center; height: 42px; padding: 0 20px; border-radius: 999px; font-weight: 500; font-size: 14px; white-space: nowrap; transition: transform .35s var(--ease), box-shadow .35s, background .3s; }
.pill:hover { transform: translateY(-2px); }
.pill--light { background: linear-gradient(180deg, #ffffff, #dfe3ea); color: #0b0f1a; box-shadow: 0 0 0 1px rgba(255,255,255,.4) inset, 0 10px 30px rgba(160,190,255,.18); }
.pill--light:hover { box-shadow: 0 0 0 1px rgba(255,255,255,.6) inset, 0 14px 40px rgba(160,190,255,.32); }
.pill--big { height: 50px; padding: 0 30px; font-size: 15px; }
.pill:disabled { opacity: .5; pointer-events: none; }
.badge { display: inline-flex; align-items: center; height: 28px; padding: 0 14px; border-radius: 999px; font-size: 12px; font-weight: 500; color: var(--text); background: rgba(255,255,255,.06); border: 1px solid var(--glass-b); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }

/* ---------- шапка ---------- */
.hd { position: fixed; z-index: 50; left: 0; right: 0; top: 0; height: 68px; display: flex; align-items: center; gap: 30px; padding: 0 var(--side); transition: background .4s, transform .5s var(--ease); }
.hd.is-solid { background: rgba(6,9,20,.72); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--faint); }
.hd.is-hidden { transform: translateY(-100%); }
.hd__logo { width: 80px; color: #fff; flex: none; }
.hd__nav { display: flex; gap: 30px; margin: 0 auto; font-size: 14px; color: rgba(242,244,248,.82); }
.hd__nav a { transition: color .3s; }
.hd__nav a:hover { color: #fff; }
.hd__right { display: flex; align-items: center; gap: 22px; }
.hd__tel { font-size: 14px; color: rgba(242,244,248,.82); }
.hd__tel:hover { color: #fff; }
.hd__burger { display: none; position: relative; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--glass-b); margin-left: auto; }
.hd__burger i { position: absolute; left: 13px; right: 13px; height: 1.5px; background: #fff; transition: transform .4s var(--ease); }
.hd__burger i:first-child { top: 18px; } .hd__burger i:last-child { top: 25px; }
.menu-open .hd__burger i:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-open .hd__burger i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 45; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 0 28px; background: rgba(6,9,20,.97); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; }
.menu a { font: 500 36px/1.3 var(--serif); }
.menu__tel { margin-top: 20px; font: 500 18px var(--f) !important; color: var(--muted); }
.menu-open .menu { opacity: 1; visibility: visible; }
.menu-open .hd { background: none; border: 0; transform: none; }

/* ---------- первый экран ---------- */
.hero { position: relative; min-height: 112vh; overflow: hidden; isolation: isolate; }
.sky { position: absolute; inset: 0; z-index: -3; background:
  radial-gradient(60% 28% at 50% 66%, rgba(110,170,220,.55) 0%, transparent 70%),
  radial-gradient(90% 40% at 50% 70%, rgba(46,96,150,.6) 0%, transparent 72%),
  radial-gradient(40% 30% at 50% 40%, rgba(70,110,170,.2) 0%, transparent 70%),
  linear-gradient(180deg, #03050c 0%, #070c1b 45%, #0e1d33 75%, #0b1424 100%); }
.stars { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; }
.land { position: absolute; left: 0; right: 0; bottom: 0; z-index: -1; will-change: transform; }
.land img { width: 100%; height: auto; min-height: 72vh; object-fit: cover; object-position: 50% 100%; }

.hero__head { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; text-align: center; padding: clamp(110px, 17vh, 170px) var(--side) 0; }
.title { margin: 22px 0 18px; font-weight: 500; font-size: clamp(36px, 5.2vw, 76px); line-height: 1.06; letter-spacing: -.03em; }
.title .ln { display: block; overflow: hidden; padding-bottom: .06em; }
.title .ln span { display: inline-block; transform: translateY(105%); transition: transform 1.2s var(--ease); }
.title .ln:nth-child(2) span { transition-delay: .1s; }
.is-ready .title .ln span { transform: none; }
.sub { max-width: 560px; margin-bottom: 30px; color: rgba(242,244,248,.78); font-size: clamp(15px, 1.2vw, 18px); opacity: 0; transition: opacity 1s .4s; }
.hero__head .badge, .hero__head .pill { opacity: 0; transform: translateY(14px); transition: opacity 1s .25s var(--ease), transform 1s .25s var(--ease); }
.hero__head .pill { transition-delay: .55s; }
.is-ready .sub, .is-ready .hero__head .badge, .is-ready .hero__head .pill { opacity: 1; transform: none; }

/* два окна */
.apps { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 32fr) minmax(0, 68fr); gap: 16px; width: min(1180px, calc(100% - 2 * var(--side))); margin: clamp(48px, 9vh, 90px) auto 0; padding-bottom: 5vh; opacity: 0; transform: translateY(60px); transition: opacity 1.2s .5s var(--ease), transform 1.4s .5s var(--ease); will-change: transform; }
.is-ready .apps { opacity: 1; transform: none; }
.apps.is-live { transition: opacity 1.2s var(--ease); }
.win { position: relative; border-radius: 18px; background: var(--glass); border: 1px solid var(--glass-b); -webkit-backdrop-filter: blur(18px) saturate(1.2); backdrop-filter: blur(18px) saturate(1.2); box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04) inset; overflow: hidden; }

.win--chat { display: flex; flex-direction: column; height: clamp(420px, 56vh, 540px); }
.chat__head { display: flex; gap: 12px; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--faint); }
.chat__ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,.08); color: var(--warm); }
.chat__head b { display: block; font-weight: 600; font-size: 15px; }
.chat__head span { font-size: 12px; color: var(--muted); }
.chat__body { flex: 1; display: flex; flex-direction: column; gap: 10px; padding: 16px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.2) transparent; }
.msg { max-width: 88%; padding: 12px 14px; border-radius: 14px; font-size: 14px; line-height: 1.45; animation: msgIn .5s var(--ease) both; }
.msg--bot { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.08); border-top-left-radius: 4px; }
.msg--bot a { color: var(--warm); white-space: nowrap; }
.msg--me { align-self: flex-end; background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,.14)); border-top-right-radius: 4px; }
.msg--typing { display: flex; gap: 4px; padding: 14px 16px; }
.msg--typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: dot 1s infinite; }
.msg--typing i:nth-child(2) { animation-delay: .15s; } .msg--typing i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 0%, 100% { opacity: .3; transform: none; } 50% { opacity: 1; transform: translateY(-3px); } }
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } }
.chat__qs { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 14px 16px; border-top: 1px solid var(--faint); }
.chat__qs button { padding: 7px 12px; border-radius: 999px; font-size: 12.5px; background: rgba(255,255,255,.06); border: 1px solid var(--glass-b); transition: background .3s, opacity .3s, border-color .3s; }
.chat__qs button:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); }
.chat__qs button.is-used { opacity: .4; }

.win--site { display: flex; flex-direction: column; height: clamp(420px, 56vh, 540px); background: rgba(5,8,16,.7); }
.site__bar { display: flex; align-items: center; gap: 24px; height: 52px; padding: 0 18px; border-bottom: 1px solid var(--faint); font-size: 13px; }
.site__logo { width: 64px; color: #fff; }
.site__links { display: flex; gap: 20px; color: var(--muted); }
.site__call { margin-left: auto; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--glass-b); transition: background .3s, color .3s; }
.site__call:hover { background: #fff; color: #000; }
.site__body { position: relative; flex: 1; overflow: hidden; }
.site__body video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; filter: saturate(.85); }
.site__shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,8,16,.75) 0%, rgba(5,8,16,.35) 50%, rgba(5,8,16,.7) 100%); }
.site__content { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; align-items: center; padding: clamp(28px, 6vh, 60px) 20px 20px; text-align: center; }
.site__title { font: 500 clamp(28px, 3.4vw, 46px)/1.1 var(--serif); letter-spacing: -.01em; }
.site__title i { font-style: italic; }
.quick { display: flex; width: min(380px, 100%); margin-top: 24px; padding: 4px 4px 4px 18px; border-radius: 999px; background: rgba(0,0,0,.45); border: 1px solid var(--glass-b); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.quick input[type="tel"] { flex: 1; min-width: 0; border: 0; background: none; color: #fff; font: 400 15px var(--f); outline: none; }
.quick input::placeholder { color: rgba(255,255,255,.55); }
.quick button { flex: none; width: 38px; height: 38px; border-radius: 50%; background: #fff; color: #000; font-size: 17px; transition: transform .3s var(--ease); }
.quick button:hover { transform: rotate(-45deg); }
.quick.is-error { border-color: #ff6b4a; }
.site__note { margin-top: 12px; font-size: 13px; color: rgba(242,244,248,.72); }
.site__tag { margin-top: auto; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.12); font-size: 12px; font-weight: 500; }

.front { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; pointer-events: none; }
.front::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40%; background: linear-gradient(transparent, var(--night)); }
.front img { width: 100%; height: auto; min-height: 20vh; object-fit: cover; object-position: 50% 0; }

/* ---------- секции ---------- */
.sec { position: relative; max-width: 1240px; margin: 0 auto; padding: clamp(80px, 12vh, 140px) var(--side) 0; }
.sec__head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 16px; margin-bottom: 44px; }
.sec__head p { max-width: 520px; color: var(--muted); }
.h2 { font-weight: 500; font-size: clamp(30px, 3.8vw, 54px); line-height: 1.08; letter-spacing: -.03em; }
.h2 i { font: italic 500 1.05em var(--serif); }

.grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.card { grid-column: span 2; display: flex; flex-direction: column; border-radius: 18px; overflow: hidden; background: rgba(255,255,255,.04); border: 1px solid var(--faint); transition: transform .5s var(--ease), border-color .4s, background .4s; }
.card--wide { grid-column: span 3; }
.card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.06); }
.card__img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; filter: brightness(.85) saturate(.9); transition: filter .5s, transform 1.2s var(--ease); }
.card:hover .card__img { filter: none; }
.card__body { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px 22px; flex: 1; }
.card__tag { align-self: flex-start; padding: 4px 10px; border-radius: 999px; background: rgba(255,180,90,.14); color: var(--warm); font-size: 12px; font-weight: 500; }
.card h3 { font: 500 26px/1.15 var(--serif); }
.card p { color: var(--muted); font-size: 15px; }
.more { margin-top: auto; padding-top: 6px; font-weight: 500; font-size: 14px; }
.more:hover { color: var(--warm); }

.gal { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: clamp(180px, 22vw, 300px); gap: 14px; }
.g { position: relative; border-radius: 18px; overflow: hidden; background: #111827; }
.g--big { grid-column: span 2; }
.g--tall { grid-row: span 2; }
.g img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.85); transition: transform 1.2s var(--ease), filter .5s; }
.g:hover img { transform: scale(1.05); filter: none; }
.g figcaption { position: absolute; left: 12px; bottom: 12px; padding: 6px 12px; border-radius: 999px; background: rgba(6,9,20,.6); border: 1px solid var(--glass-b); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); font-size: 13px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.steps li { padding: 24px 22px; min-height: 220px; display: flex; flex-direction: column; border-radius: 18px; background: rgba(255,255,255,.04); border: 1px solid var(--faint); transition: border-color .4s, transform .4s var(--ease); }
.steps li:hover { border-color: rgba(255,180,90,.5); transform: translateY(-4px); }
.steps span { font-size: 13px; color: var(--warm); font-weight: 600; }
.steps b { margin-top: auto; font: 500 24px/1.2 var(--serif); }
.steps p { margin-top: 8px; color: var(--muted); font-size: 15px; }

.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; padding: clamp(24px, 4vw, 54px); border-radius: 24px; background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); border: 1px solid var(--faint); }
.contact__l { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.contact__l .h2 { margin-top: 10px; }
.contact__l p { margin: 6px 0 22px; color: var(--muted); max-width: 380px; }
.contact__tel { font: 500 clamp(26px, 2.6vw, 36px)/1.1 var(--serif); }
.contact__mail, .contact__addr { color: var(--muted); font-size: 15px; }
.contact__addr a { color: var(--text); }
.form { display: flex; flex-direction: column; gap: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--glass-b); font-size: 14px; cursor: pointer; transition: background .3s, color .3s; }
.chips input:checked + span { background: #fff; color: #000; }
.chips input:focus-visible + span { outline: 2px solid var(--warm); }
.form input[type="text"], .form input[type="tel"], .form textarea { width: 100%; padding: 15px 18px; border-radius: 14px; border: 1px solid var(--glass-b); background: rgba(0,0,0,.25); color: #fff; font: 400 16px/1.4 var(--f); outline: none; resize: none; transition: border-color .3s; }
.form input::placeholder, .form textarea::placeholder { color: rgba(255,255,255,.45); }
.form input:focus, .form textarea:focus { border-color: rgba(255,255,255,.5); }
.form .is-error { border-color: #ff6b4a !important; }
.form .pill { align-self: flex-start; margin-top: 4px; }
.form__note { font-size: 12px; color: rgba(242,244,248,.45); }

.ft { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 28px; max-width: 1240px; margin: clamp(70px, 10vh, 110px) auto 0; padding: 24px var(--side) 30px; border-top: 1px solid var(--faint); font-size: 13px; color: var(--muted); }
.ft__logo { width: 80px; color: #fff; }
.ft span:last-child { margin-left: auto; }

.toast { position: fixed; z-index: 90; left: 50%; bottom: 24px; transform: translate(-50%, calc(100% + 40px)); visibility: hidden; max-width: calc(100% - 32px); padding: 14px 22px; border-radius: 999px; background: #fff; color: #000; font-weight: 500; box-shadow: 0 20px 50px rgba(0,0,0,.4); transition: transform .5s var(--ease), visibility .5s; }
.toast.is-on { transform: translate(-50%, 0); visibility: visible; }

/* ---------- карта ---------- */
.map { position: relative; height: clamp(420px, 62vh, 600px); border-radius: 24px; overflow: hidden; border: 1px solid var(--faint); background: #0b1222; }
.map__frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: invert(.9) hue-rotate(180deg) saturate(.6) brightness(.95) contrast(.95); }
.map::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(6,9,20,.75) 0%, rgba(6,9,20,0) 45%); }
.map__card { position: absolute; z-index: 2; left: 20px; top: 50%; transform: translateY(-50%); width: min(360px, calc(100% - 40px)); display: flex; flex-direction: column; gap: 8px; padding: 24px; border-radius: 18px; background: var(--glass); border: 1px solid var(--glass-b); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 30px 70px rgba(0,0,0,.5); }
.map__card b { font: 500 26px/1.15 var(--serif); }
.map__card span { color: var(--muted); font-size: 14px; }
.map__tel { font-size: 18px; font-weight: 500; margin-top: 4px; }
.map__btns { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 12px; }
.map__alt { font-size: 14px; color: var(--muted); border-bottom: 1px solid var(--faint); padding-bottom: 2px; transition: color .3s; }
.map__alt:hover { color: #fff; }
@media (max-width: 700px) {
  .map { height: 640px; }
  .map::after { background: linear-gradient(0deg, rgba(6,9,20,.85) 0%, rgba(6,9,20,0) 55%); }
  .map__card { top: auto; bottom: 16px; left: 16px; transform: none; }
}

/* ---------- адаптив ---------- */
@media (max-width: 960px) {
  .hd__nav, .hd__right { display: none; }
  .hd__burger { display: block; }
  .apps { grid-template-columns: 1fr; }
  .win--chat { height: 460px; }
  .win--site { height: 420px; }
  .site__links { display: none; }
  .grid { grid-template-columns: 1fr; }
  .card, .card--wide { grid-column: auto; }
  .gal { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
  .g--big { grid-column: span 2; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .title { font-size: 34px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { min-height: 0; }
  .steps b { margin-top: 26px; }
  .ft span:last-child { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
  html { scroll-behavior: auto; }
}