/* Аквамарин — лендинг ювелирной мастерской.
   Один файл стилей, без сборки: правится прямо здесь. */

:root {
  --ink: #14161a;
  --ink-2: #1e2128;
  --text: #24272d;
  --muted: #6d717a;
  --cream: #f8f5f0;
  --cream-2: #f1ece3;
  --line: #e4ddd1;
  --gold: #a9863f;
  --gold-2: #8d6f31;
  --gold-soft: #d9bd82;
  --aqua: #2f8f8a;
  --aqua-2: #26746f;
  --aqua-soft: #a8ded9;
  --white: #fff;
  --radius: 4px;
  --shadow: 0 18px 40px rgba(20, 22, 26, .10);
  --shadow-lg: 0 30px 70px rgba(20, 22, 26, .22);
  --serif: Georgia, "Times New Roman", "Droid Serif", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--aqua-2); }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(34px, 6vw, 62px); }
h2 { font-size: clamp(28px, 4.2vw, 44px); }
h3 { font-size: clamp(20px, 2.4vw, 26px); }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section_cream { background: var(--cream-2); }
.section_dark { background: var(--ink); color: #cfd2d8; }
.section_dark h2, .section_dark h3 { color: var(--white); }

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}
.section_dark .eyebrow { color: var(--gold-soft); }

.lead { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 46em; }
.section_dark .lead { color: #a7abb4; }

.head { max-width: 42em; margin-bottom: 52px; }
.head_center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-block;
  padding: 15px 30px;
  font: inherit;
  font-size: 15px;
  letter-spacing: .04em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background .18s, color .18s, border-color .18s, transform .18s;
}
.btn_gold { background: var(--gold); color: var(--white); }
.btn_gold:hover { background: var(--gold-2); transform: translateY(-1px); }
.btn_ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, .5); }
.btn_ghost:hover { background: rgba(255, 255, 255, .12); border-color: var(--white); }
.btn_dark { background: var(--ink); color: var(--white); }
.btn_dark:hover { background: var(--ink-2); transform: translateY(-1px); }
.btn_wide { width: 100%; text-align: center; }

/* ---------- шапка ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 18px 0;
  transition: background .25s, padding .25s, box-shadow .25s;
}
.header_solid {
  background: rgba(20, 22, 26, .94);
  padding: 11px 0;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .08);
}
.header_row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.logo { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.logo_mark { font-family: var(--serif); font-size: 24px; color: var(--white); letter-spacing: .06em; }
.logo_sub { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-soft); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  color: #dfe1e5;
  text-decoration: none;
  font-size: 15px;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav a:hover { color: var(--white); border-bottom-color: var(--gold-soft); }
.nav .btn { padding: 11px 20px; }
.nav .btn:hover { border-bottom-color: transparent; }

.burger {
  display: none;
  width: 44px;
  height: 40px;
  background: none;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 10px 9px;
}
.burger span { display: block; height: 1.5px; background: #fff; margin: 4px 0; transition: transform .2s, opacity .2s; }
.burger_open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger_open span:nth-child(2) { opacity: 0; }
.burger_open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- первый экран ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}
.hero_bg { position: absolute; inset: 0; }
.hero_bg img { width: 100%; height: 100%; object-fit: cover; }
.hero_bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(14, 16, 19, .95) 0%, rgba(14, 16, 19, .82) 45%, rgba(14, 16, 19, .42) 100%),
    linear-gradient(to bottom, rgba(14, 16, 19, .55) 0%, rgba(14, 16, 19, .12) 40%, rgba(14, 16, 19, .82) 100%);
}
.hero_inner {
  position: relative;
  z-index: 2;
  padding: 130px 0 70px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { color: var(--white); margin-bottom: 22px; }
.hero h1 em { font-style: italic; color: var(--gold-soft); }
.hero_text { font-size: clamp(17px, 1.7vw, 20px); color: #d6d9de; max-width: 30em; }
.hero_btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero_card { position: relative; }
.hero_card img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.hero_badge {
  position: absolute;
  left: -26px;
  bottom: 26px;
  background: var(--cream);
  color: var(--ink);
  padding: 16px 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 230px;
}
.hero_badge b { font-family: var(--serif); font-size: 26px; font-weight: 400; display: block; }
.hero_badge span { font-size: 13px; color: var(--muted); line-height: 1.4; display: block; }

.hero_facts {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 26px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.hero_fact b {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 400;
  color: var(--gold-soft);
  display: block;
  line-height: 1.1;
}
.hero_fact span { font-size: 14px; color: #b9bdc4; }

/* ---------- направления ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card_img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--cream-2); }
.card_img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card_img img { transform: scale(1.04); }
.card_body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.card_body h3 { margin-bottom: 10px; }
.card_body p { color: var(--muted); font-size: 16px; }
.card_price {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink);
}
.card_price b { font-family: var(--serif); font-size: 19px; font-weight: 400; }

/* ---------- процесс ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 26px; }
@media (max-width: 1080px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step_img { aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius); margin-bottom: 18px; background: var(--ink-2); }
.step_img img { width: 100%; height: 100%; object-fit: cover; opacity: .92; transition: opacity .3s, transform .5s; }
.step:hover .step_img img { opacity: 1; transform: scale(1.03); }
.step_num { font-family: var(--serif); font-size: 13px; letter-spacing: .18em; color: var(--gold-soft); display: block; margin-bottom: 8px; }
.step h3 { font-size: 21px; margin-bottom: 8px; }
.step p { font-size: 15px; color: #a7abb4; margin: 0; }
.step_meta { font-size: 13px; color: var(--gold-soft); margin-top: 10px; display: block; }

/* ---------- команда ---------- */
.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.role {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
}
.role_mark {
  width: 54px;
  height: 54px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 20px;
}
.role h3 { margin-bottom: 4px; }
.role_name { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.role ul { margin: 0 0 18px; padding-left: 20px; color: var(--muted); font-size: 16px; }
.role li { margin-bottom: 7px; }
.role_out { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); font-size: 15px; }
.role_out b { font-weight: 600; color: var(--ink); }

/* ---------- галерея ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.chip {
  font: inherit;
  font-size: 15px;
  padding: 9px 20px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  border-radius: 100px;
  cursor: pointer;
  transition: background .16s, color .16s, border-color .16s;
}
.chip:hover { background: var(--cream-2); border-color: #d5cbb9; }
/* активное состояние объявляется ПОСЛЕ ховера и имеет свой ховер */
.chip_on, .chip_on:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }
.chip_on:hover { background: #000; border-color: #000; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.shot { margin: 0; }
.shot_frame {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--cream-2);
  cursor: zoom-in;
  border: 0;
  padding: 0;
  width: 100%;
  display: block;
}
.shot_frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.shot_frame:hover img { transform: scale(1.05); }
.shot_frame:focus-visible { outline: 2px solid var(--aqua); outline-offset: 3px; }
.shot figcaption { font-size: 15px; color: var(--muted); padding-top: 12px; }
.shot figcaption b { display: block; color: var(--ink); font-weight: 600; font-size: 16px; }

/* ---------- лайтбокс ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(12, 13, 16, .94);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 40px 20px;
}
.lightbox_open { display: flex; }
.lightbox img { max-width: min(92vw, 1000px); max-height: 78vh; object-fit: contain; border-radius: var(--radius); }
.lightbox_cap { color: #cfd2d8; text-align: center; margin-top: 18px; font-size: 15px; }
.lightbox_close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: 1px solid rgba(255, 255, 255, .4);
  color: #fff;
  font: inherit;
  font-size: 22px;
  line-height: 1;
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  cursor: pointer;
}
.lightbox_close:hover { background: rgba(255, 255, 255, .14); }

/* ---------- два столбца ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow); }
.split_list { list-style: none; margin: 24px 0 0; padding: 0; }
.split_list li { padding: 14px 0 14px 30px; border-top: 1px solid var(--line); position: relative; color: var(--muted); }
.split_list li::before { content: "—"; position: absolute; left: 0; color: var(--gold); }
.split_list b { color: var(--ink); font-weight: 600; }
.section_dark .split_list li { border-top-color: rgba(255, 255, 255, .14); color: #a7abb4; }
.section_dark .split_list b { color: var(--white); }

/* ---------- цены ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.tier {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
}
.tier_hot { border-color: var(--gold); box-shadow: var(--shadow); position: relative; }
.tier_tag {
  position: absolute;
  top: -13px;
  left: 30px;
  background: var(--gold);
  color: var(--white);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
}
.tier h3 { margin-bottom: 6px; }
.tier_sum { font-family: var(--serif); font-size: 32px; color: var(--ink); margin: 14px 0 4px; }
.tier_note { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.tier ul { list-style: none; margin: 0 0 26px; padding: 0; font-size: 16px; color: var(--muted); }
.tier li { padding: 9px 0 9px 26px; position: relative; border-top: 1px solid var(--line); }
.tier li::before { content: "→"; position: absolute; left: 0; color: var(--aqua); }
.tier .btn { margin-top: auto; }

/* ---------- вопросы ---------- */
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary {
  cursor: pointer;
  padding: 20px 40px 20px 0;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink);
  position: relative;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 24px;
  font-family: var(--sans);
}
.faq details[open] summary::after { content: "–"; }
.faq summary:hover { color: var(--gold-2); }
.faq p { color: var(--muted); margin: 0 0 20px; padding-right: 40px; }

/* ---------- заявка ---------- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; }
.contact_list { list-style: none; margin: 26px 0 0; padding: 0; }
.contact_list li { padding: 12px 0; border-top: 1px solid rgba(255, 255, 255, .14); font-size: 16px; }
.contact_list span { display: block; font-size: 13px; color: #9aa0a8; letter-spacing: .1em; text-transform: uppercase; }
.contact_list a { color: var(--gold-soft); text-decoration: none; }
.contact_list a:hover { text-decoration: underline; }

.form { background: var(--white); border-radius: var(--radius); padding: 36px; color: var(--text); }
.form_row { margin-bottom: 18px; }
.form label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 7px; }
.form input, .form textarea, .form select {
  width: 100%;
  font: inherit;
  font-size: 16px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--text);
  transition: border-color .16s, background .16s;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  border-color: var(--aqua);
  background: var(--white);
}
.form textarea { min-height: 110px; resize: vertical; }
.form_two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form_note { font-size: 13px; color: var(--muted); margin: 14px 0 0; }
.form_done {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  background: #eef7f6;
  border: 1px solid var(--aqua-soft);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--aqua-2);
}
.form_done_on { display: block; }

/* ---------- подвал ---------- */
.footer { background: var(--ink); color: #8e939b; padding: 60px 0 40px; font-size: 15px; }
.footer_row { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; align-items: flex-start; }
.footer a { color: #c3c7cd; text-decoration: none; }
.footer a:hover { color: var(--white); text-decoration: underline; }
.footer_small { font-size: 13px; color: #6f747c; margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); }

/* ---------- появление при прокрутке ---------- */
/* Блоки прячутся ТОЛЬКО когда сценарий запустился и повесил has_js на html.
   Без скрипта (или если он упал) страница просто видна целиком - это важнее анимации. */
.has_js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.has_js .reveal_in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .has_js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- адаптив ---------- */
@media (max-width: 980px) {
  .hero_inner { grid-template-columns: 1fr; gap: 40px; padding-top: 110px; }
  .hero_card { max-width: 420px; }
  .hero_badge { left: auto; right: 16px; bottom: -18px; }
  .cards, .team, .tiers { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split, .contact { grid-template-columns: 1fr; gap: 36px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .section { padding: 60px 0; }
  .nav {
    position: fixed;
    inset: 64px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(20, 22, 26, .98);
    padding: 10px 16px 22px;
    transform: translateY(-140%);
    transition: transform .28s;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav_open { transform: none; }
  .nav a { padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .nav .btn { margin-top: 14px; text-align: center; }
  .burger { display: block; }
  .header { background: rgba(20, 22, 26, .94); padding: 12px 0; }
  .cards, .team, .tiers, .gallery, .steps { grid-template-columns: 1fr; }
  .form { padding: 24px 20px; }
  .form_two { grid-template-columns: 1fr; }
  .hero_facts { gap: 24px; }
  .hero_fact { min-width: 130px; }
  .hero_badge { position: static; margin-top: 14px; max-width: none; }
}

@media print {
  .header, .burger, .lightbox, .form, .hero_btns, .filters { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .hero { min-height: auto; color: #000; }
  .hero_bg { display: none; }
  .hero h1, .hero_text, .section_dark h2, .section_dark h3, .section_dark p { color: #000; }
  .section, .section_dark, .hero { background: #fff !important; color: #000; padding: 20px 0; }
  .has_js .reveal { opacity: 1; transform: none; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
}