/* =========================================================
   Ольга Баурина — авторский дизайн помещений
   Статический сайт. Без зависимостей и сборки.
   ========================================================= */

:root {
  --paper: #f7f4ef;
  --paper-2: #efeae1;
  --paper-3: #e7e1d6;
  --ink: #191712;
  --ink-soft: #38332b;
  --muted: #635d53;
  --line: #d9d2c5;
  --accent: #9a6a45;
  --accent-deep: #7c5335;

  --font-display: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --font-text: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  --gutter: clamp(20px, 5vw, 72px);
  --max: 1320px;
  --nav-h: 74px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- типографика ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -.01em;
  margin: 0;
  line-height: 1.04;
}

h1 { font-size: clamp(44px, 7.2vw, 104px); }
h2 { font-size: clamp(32px, 4.4vw, 62px); }
h3 { font-size: clamp(24px, 2.4vw, 34px); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.lead {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 46ch;
}

.muted { color: var(--muted); }

/* ---------- навигация ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  border-bottom: 1px solid transparent;
}

.nav.is-stuck {
  background: rgba(247, 244, 239, .88);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--line);
}

.nav__inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-text);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand small {
  font-family: var(--font-text);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 34px);
  font-size: 13px;
  letter-spacing: .02em;
}

.nav__links a {
  position: relative;
  padding: 4px 0;
  color: var(--ink-soft);
  transition: color .25s;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}

.nav__links a:hover { color: var(--ink); }
.nav__links a.is-active { color: var(--ink); }
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__cta {
  border: 1px solid var(--ink);
  padding: 9px 18px !important;
  border-radius: 999px;
  transition: background .3s, color .3s, border-color .3s;
}

.nav__cta::after { display: none; }

.nav__cta:hover {
  background: var(--ink);
  color: var(--paper) !important;
}

.nav__burger {
  display: none;
  width: 40px; height: 40px;
  border: 0; background: none;
  padding: 0;
  cursor: pointer;
  position: relative;
}

.nav__burger span,
.nav__burger span::before,
.nav__burger span::after {
  position: absolute;
  left: 8px;
  width: 24px; height: 1px;
  background: var(--ink);
  content: "";
  transition: transform .3s var(--ease), opacity .2s;
}

.nav__burger span { top: 20px; }
.nav__burger span::before { top: -7px; left: 0; }
.nav__burger span::after { top: 7px; left: 0; }

.nav.is-open .nav__burger span { transform: rotate(45deg); }
.nav.is-open .nav__burger span::before { transform: rotate(-90deg); top: 0; }
.nav.is-open .nav__burger span::after { opacity: 0; }

@media (max-width: 860px) {
  .nav__burger { display: block; }
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px var(--gutter) 28px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .3s var(--ease);
  }
  .nav.is-open .nav__links {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .nav__links a {
    padding: 14px 0;
    width: 100%;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .nav__cta { border: 0; padding: 14px 0 !important; }
}


/* ---------- персона в шапке ---------- */

.person {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.person__photo {
  width: clamp(64px, 6.4vw, 88px);
  height: clamp(64px, 6.4vw, 88px);
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 22%;
  border: 1px solid var(--line);
  background: var(--paper-2);
  flex: 0 0 auto;
}

.person__role {
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
}

.person__name {
  font-family: var(--font-display);
  font-size: clamp(21px, 1.9vw, 27px);
  line-height: 1.1;
  color: var(--ink);
}

@media (max-width: 900px) {
  .person { gap: 14px; margin-bottom: 18px; }
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(28px, 5vw, 64px)) 0 clamp(40px, 6vw, 80px);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.hero__eyebrow { margin-bottom: clamp(18px, 2.4vw, 34px); }

.hero h1 {
  white-space: pre-line;
  margin-bottom: clamp(20px, 2.6vw, 36px);
}

.hero__lead { max-width: 44ch; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 38px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid var(--ink);
  font-size: 14px;
  letter-spacing: .01em;
  transition: background .3s, color .3s, border-color .3s, transform .3s var(--ease);
}

.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

.hero__note {
  margin-top: clamp(22px, 3vw, 36px);
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .01em;
  max-width: 40ch;
  line-height: 1.75;
}

.hero__media {
  position: relative;
}

.hero__media img {
  width: 100%;
  height: clamp(360px, 62vh, 720px);
  object-fit: cover;
  border-radius: 2px;
}

.hero__media figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media img { height: clamp(300px, 52vh, 460px); }
  .hero__media { margin-top: clamp(26px, 5vw, 40px); }
  .hero { padding-top: calc(var(--nav-h) + 14px); }
  .hero__eyebrow { margin-bottom: 14px; }
}

/* ---------- секции ---------- */

.section {
  padding: clamp(56px, 8vw, 128px) 0;
  border-top: 1px solid var(--line);
}

.section__head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(18px, 4vw, 60px);
  align-items: end;
  margin-bottom: clamp(30px, 4.4vw, 64px);
}

.section__head p {
  color: var(--muted);
  max-width: 48ch;
  font-size: 15.5px;
}

@media (max-width: 800px) {
  .section__head { grid-template-columns: 1fr; align-items: start; }
}

/* ---------- портфолио ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 44px) clamp(18px, 2.6vw, 36px);
}

@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }

.card {
  display: block;
  position: relative;
}

.card__media {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 4 / 5;
}

.card--wide .card__media { aspect-ratio: 16 / 10; }

.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter .6s;
}

.card:hover .card__media img { transform: scale(1.035); }

.card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-top: 14px;
}

.card__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 1.9vw, 27px);
  line-height: 1.15;
}

.card__sub {
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: .01em;
  margin-top: 4px;
}

.card__year {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- услуги ---------- */

.services {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

@media (max-width: 900px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .services { grid-template-columns: 1fr; } }

.service {
  background: var(--paper);
  padding: clamp(22px, 2.6vw, 34px);
}

.service__num {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: clamp(22px, 3vw, 40px);
}

.service h3 {
  font-size: clamp(19px, 1.6vw, 23px);
  margin-bottom: 10px;
  line-height: 1.2;
}

.service p { font-size: 14px; color: var(--muted); line-height: 1.55; }

/* ---------- преимущества ---------- */

.adv {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 48px);
}

@media (max-width: 900px) { .adv { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .adv { grid-template-columns: 1fr; } }

.adv__item { border-top: 1px solid var(--line); padding-top: 18px; }
.adv__num { font-size: 11px; letter-spacing: .16em; color: var(--accent); }
.adv__item h3 { font-size: 21px; margin: 10px 0 8px; }
.adv__item p { font-size: 14px; color: var(--muted); }

/* ---------- дипломы ---------- */

.diplomas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 64px);
}

@media (max-width: 760px) { .diplomas { grid-template-columns: 1fr; } }

.diplomas h3 { font-size: 22px; margin-bottom: 16px; }
.diplomas ul { list-style: none; margin: 0; padding: 0; }
.diplomas li {
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--ink-soft);
}
.diplomas li:first-child { border-top: 1px solid var(--line); }

/* ---------- цены ---------- */

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 26px);
}

@media (max-width: 980px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .price-grid { grid-template-columns: 1fr; } }

.price {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  padding: clamp(20px, 2.2vw, 30px);
  background: var(--paper);
}

.price--featured { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.price--featured .price__note,
.price--featured .price__text,
.price--featured li { color: rgba(247, 244, 239, .8); }
.price--featured .price__num { color: #cfa683; }

.price__num { font-size: 11px; letter-spacing: .18em; color: var(--accent); }
.price h3 { font-size: clamp(21px, 1.9vw, 26px); margin: 14px 0 8px; }
.price__text { font-size: 14px; color: var(--muted); margin-bottom: 18px; min-height: 6.6em; }

.price__sum {
  font-family: var(--font-display);
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1;
  margin: 4px 0 2px;
}

.price__note { font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.price__example { font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.price--featured .price__example { color: rgba(247, 244, 239, .6); }

.price ul {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  font-size: 13.5px;
  color: var(--muted);
}

.price li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 7px;
  line-height: 1.45;
}

.price li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 5px; height: 1px;
  background: currentColor;
  opacity: .6;
}

.price .btn { margin-top: auto; align-self: flex-start; }
.price--featured .btn { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.price--featured .btn:hover { background: transparent; color: var(--paper); }

/* ---------- этапы ---------- */

.stages { border-top: 1px solid var(--line); }

.stage {
  display: grid;
  grid-template-columns: 64px minmax(0, .55fr) minmax(0, 1fr);
  gap: clamp(12px, 2vw, 28px);
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

@media (max-width: 760px) {
  .stage { grid-template-columns: 44px 1fr; }
  .stage p { grid-column: 2; }
}

.stage__num { font-size: 11px; letter-spacing: .16em; color: var(--accent); }
.stage h3 { font-size: 19px; }
.stage p { font-size: 14px; color: var(--muted); margin: 0; }

/* ---------- контакты ---------- */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
}

@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.contact__link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  transition: color .25s, padding-left .3s var(--ease);
}

.contact__link:hover { color: var(--accent-deep); padding-left: 6px; }
.contact__link span:first-child { color: var(--muted); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }

.form { display: grid; gap: 14px; }

.field { position: relative; }

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: transparent;
  padding: 15px 16px 13px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  border-radius: 2px;
  transition: border-color .25s, background .25s;
}

.field textarea { min-height: 110px; resize: vertical; }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink-soft);
  background: rgba(255, 255, 255, .35);
}

.field label {
  position: absolute;
  left: 16px; top: 15px;
  font-size: 15px;
  color: var(--muted);
  pointer-events: none;
  transition: transform .22s var(--ease), font-size .22s, opacity .2s;
  transform-origin: left top;
  background: var(--paper);
  padding: 0 4px;
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-24px) scale(.78);
  opacity: .85;
}

.form__foot {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.form__hint {
  font-size: 12px;
  color: var(--muted);
  max-width: 34ch;
  line-height: 1.5;
}

.form__hint a { text-decoration: underline; text-underline-offset: 3px; }

.form__status {
  font-size: 13.5px;
  color: var(--accent-deep);
  min-height: 20px;
}

/* ---------- подвал ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 34px;
  font-size: 13px;
  color: var(--muted);
}

.footer__row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: baseline;
}

.footer a:hover { color: var(--ink); }

/* ---------- страница проекта ---------- */

.project {
  padding-top: calc(var(--nav-h) + clamp(16px, 2.6vw, 34px));
}

.project__head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(20px, 4vw, 56px);
  align-items: end;
  padding-bottom: clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}

@media (max-width: 820px) { .project__head { grid-template-columns: 1fr; } }

.project__head h1 { font-size: clamp(36px, 5.6vw, 76px); margin: 12px 0 10px; }
.project__sub { color: var(--muted); font-size: 15px; }
.project__intro { font-size: 16px; line-height: 1.65; color: var(--ink-soft); max-width: 52ch; }

.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
  transition: color .25s, gap .3s var(--ease);
}

.back:hover { color: var(--ink); gap: 12px; }

.gallery { padding: clamp(30px, 5vw, 64px) 0; }

.group + .group { margin-top: clamp(36px, 5vw, 72px); }

.group__cap {
  font-family: var(--font-display);
  font-size: clamp(19px, 1.8vw, 25px);
  color: var(--ink-soft);
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.6vw, 20px);
}

.shots--single { grid-template-columns: 1fr; }

.shots img {
  width: 100%;
  height: auto;
  cursor: zoom-in;
  background: var(--paper-2);
  transition: opacity .3s;
}

.shots img:hover { opacity: .93; }

/* первая картинка группы — во всю ширину */
.shots--hero { grid-template-columns: 1fr; }
.shots--hero + .shots { margin-top: clamp(10px, 1.6vw, 20px); }

@media (max-width: 620px) {
  .shots { grid-template-columns: 1fr; }
}

.project__nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(24px, 3vw, 40px) 0 clamp(50px, 6vw, 90px);
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.project__nav a { font-size: 14px; }
.project__nav a span { display: block; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.project__nav a:hover .project__nav-title { color: var(--accent-deep); }
.project__nav-title { font-family: var(--font-display); font-size: 22px; }

/* ---------- лайтбокс ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(20, 18, 14, .96);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vmin;
}

.lightbox.is-open { display: flex; }

.lightbox img {
  max-width: 100%;
  max-height: 92vh;
  object-fit: contain;
  cursor: zoom-out;
}

.lightbox__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 50%;
  background: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  transition: background .25s, border-color .25s;
}

.lightbox__btn:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.lightbox__btn--prev { left: 2vmin; }
.lightbox__btn--next { right: 2vmin; }

.lightbox__close {
  position: absolute;
  top: 2vmin; right: 2vmin;
  width: 46px; height: 46px;
  border: 0; background: none;
  color: #fff; font-size: 26px;
  cursor: pointer;
  line-height: 1;
}

.lightbox__count {
  position: absolute;
  bottom: 2vmin; left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .6);
  font-size: 12px;
  letter-spacing: .14em;
}

/* ---------- появление при прокрутке ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}

.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 404 ---------- */

.center-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--nav-h) 20px 80px;
}

.center-page h1 { font-size: clamp(60px, 12vw, 140px); line-height: .9; }