/* ════════════════════════════════════════════
   ALPHABET® — Obsidian Atelier
   тёплый уголь · слоновая кость · расплавленная медь
   ════════════════════════════════════════════ */

:root {
  --bg: #0e0c0a;
  --bg-soft: #16130f;
  --ink: #ece5d8;
  --ink-dim: rgba(236, 229, 216, 0.55);
  --ink-faint: rgba(236, 229, 216, 0.22);
  --copper: #c87b3d;
  --copper-bright: #e8965a;
  --line: rgba(236, 229, 216, 0.12);

  --font-display: "Unbounded", sans-serif;
  --font-body: "Golos Text", sans-serif;
  --font-serif: "Cormorant", serif;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expo: cubic-bezier(0.87, 0, 0.13, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; overflow-x: clip; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

/* ───────── cursor ─────────
   кастомный курсор без JS-фолловера: статичный cursor:url(svg),
   цена — ноль (никаких mousemove/rAF) */
html {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M4.5 3 4.5 18.5 8.7 14.7 11.3 20.6 14.1 19.4 11.5 13.6 17.3 13.1Z' fill='%23ece5d8' stroke='%230e0c0a' stroke-width='1.2' stroke-linejoin='round'/%3E%3C/svg%3E") 4 3, auto;
}
a, button, label, summary,
input[type="checkbox"], input[type="radio"] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M4.5 3 4.5 18.5 8.7 14.7 11.3 20.6 14.1 19.4 11.5 13.6 17.3 13.1Z' fill='%23e8965a' stroke='%230e0c0a' stroke-width='1.2' stroke-linejoin='round'/%3E%3C/svg%3E") 4 3, pointer;
}

::selection { background: var(--copper); color: var(--bg); }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-family: var(--font-serif); font-style: italic; font-weight: 500; }

/* ───────── grain ───────── */
.grain {
  /* статичное зерно: текстура есть, вечной анимации (и её цены) — нет */
  position: fixed; inset: 0;
  pointer-events: none; z-index: 200;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ───────── preloader ───────── */
.preloader {
  position: fixed; inset: 0; z-index: 400;
  background: var(--bg);
  display: grid; place-items: center;
}
.preloader__letters {
  display: flex; gap: 0.15em;
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: 0.06em;
}
.preloader__letters span { opacity: 0; transform: translateY(0.6em); display: inline-block; }
.preloader__bar {
  margin-top: 32px; width: min(520px, 78vw); height: 4px;
  background: var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.preloader__bar i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--copper), var(--copper-bright));
  border-radius: 4px;
}
.preloader__pct {
  margin-top: 14px;
  align-self: flex-end;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--copper-bright);
  font-variant-numeric: tabular-nums;
}
.preloader__inner { display: flex; flex-direction: column; align-items: center; }

/* ───────── header ───────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px clamp(20px, 4vw, 56px);
}
.header__logo {
  font-family: var(--font-display);
  font-weight: 700; font-size: 15px; letter-spacing: 0.08em;
}
.header__logo sup { font-size: 0.5em; color: var(--copper-bright); }
.header__nav { display: flex; align-items: baseline; gap: 32px; }
.header__nav a {
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  position: relative;
}
.header__nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease-expo);
}
.header__nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* выпадающее меню услуг */
.nav-drop { position: relative; }
.nav-drop::after {
  /* невидимый мостик, чтобы hover не обрывался между пунктом и меню */
  content: ""; position: absolute;
  top: 100%; left: -24px; right: -24px; height: 20px;
}
.nav-drop__top i { font-style: normal; font-size: 9px; color: var(--copper-bright); }
.nav-drop__menu {
  position: absolute; top: calc(100% + 16px); left: 50%;
  min-width: 250px;
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  opacity: 0; visibility: hidden;
  transform: translate(-50%, 10px);
  transition: opacity 0.25s, transform 0.3s var(--ease-out), visibility 0.25s;
  z-index: 110;
}
.nav-drop:hover .nav-drop__menu,
.nav-drop:focus-within .nav-drop__menu {
  opacity: 1; visibility: visible;
  transform: translate(-50%, 0);
}
.header__nav .nav-drop__menu a {
  padding: 11px 14px;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0.02em;
  border-radius: 7px;
  transition: background 0.25s, color 0.25s;
}
.header__nav .nav-drop__menu a::after { display: none; }
.header__nav .nav-drop__menu a:hover { background: rgba(200, 123, 61, 0.14); color: var(--copper-bright); }
.header__cta {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid currentColor; border-radius: 100px;
  transition: opacity 0.3s;
}
.header__cta:hover { opacity: 0.7; }
.header__right { display: flex; align-items: center; gap: 10px; }
.header__lang {
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em;
  padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 100px;
  color: var(--ink-dim);
  transition: color 0.3s, border-color 0.3s;
}
.header__lang:hover { color: var(--copper-bright); border-color: var(--copper); }
.header__cta-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--copper-bright);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.3; transform: scale(0.7); } }
@media (max-width: 760px) { .header__nav { display: none; } }

/* ───────── hero ───────── */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.hero__content {
  position: relative; z-index: 2;
  width: 100%;
  padding: 0 clamp(20px, 4vw, 56px) clamp(32px, 5vh, 64px);
  pointer-events: none;
}
.hero__content a, .hero__content .hero__scroll { pointer-events: auto; }
.hero__eyebrow {
  display: flex; align-items: center; gap: 16px;
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: clamp(20px, 3vh, 40px);
}
.hero__eyebrow-line { width: 48px; height: 1px; background: var(--copper); }
.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 12.5vw, 190px);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.hero__line { display: block; overflow: hidden; }
.hero__word { display: inline-block; }
.hero__line--serif {
  font-family: var(--font-serif);
  font-style: italic; font-weight: 500;
  text-transform: lowercase;
  font-size: 0.92em;
  color: var(--copper-bright);
  margin-left: clamp(40px, 14vw, 280px);
}
.hero__line--offset { margin-left: clamp(20px, 6vw, 120px); }
.hero__bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-top: clamp(28px, 4vh, 56px);
}
.hero__sub { font-size: 15px; color: var(--ink-dim); }
.hero__scroll {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-dim);
}
.hero__scroll i {
  width: 1px; height: 44px;
  background: linear-gradient(var(--copper-bright), transparent);
  animation: drip 1.6s var(--ease-out) infinite;
}
@keyframes drip {
  from { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform-origin: bottom; }
  to { transform: scaleY(0); transform-origin: bottom; }
}
.hero__index {
  position: absolute; top: 50%; right: clamp(20px, 4vw, 56px);
  transform: translateY(-50%);
  font-family: var(--font-serif); font-style: italic;
  font-size: 28px; color: var(--ink-faint);
  z-index: 2;
}

/* ───────── marquee ───────── */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  overflow: hidden;
  background: var(--bg-soft);
}
.marquee__track {
  display: flex; align-items: center; gap: 48px;
  width: max-content;
  white-space: nowrap;
}
.marquee__track span {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 400;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}
.marquee__track i { color: var(--copper); font-style: normal; font-size: 12px; }

/* ───────── shared section bits ───────── */
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 80px);
  line-height: 1.02;
  text-transform: uppercase;
}
.section-title em {
  font-weight: 500;
  text-transform: lowercase;
  color: var(--copper-bright);
  font-size: 1.06em;
}

/* ───────── manifesto ───────── */
.manifesto {
  padding: clamp(90px, 14vh, 180px) clamp(20px, 4vw, 56px);
  max-width: 1200px; margin: 0 auto;
}
.manifesto__label {
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 36px;
}
.manifesto__text {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(24px, 3.6vw, 46px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 38ch;
}
.manifesto__text .w { display: inline-block; opacity: 0.13; transition: opacity 0.5s; }
.manifesto__text .w.is-lit { opacity: 1; }
.manifesto__text em { color: var(--copper-bright); font-size: 1.08em; }
.manifesto__meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: clamp(56px, 9vh, 110px);
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.manifesto__meta b {
  display: block;
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(26px, 3.4vw, 44px);
  color: var(--ink);
}
.manifesto__meta span { font-size: 13px; color: var(--ink-dim); }
@media (max-width: 760px) { .manifesto__meta { grid-template-columns: repeat(2, 1fr); } }

/* ───────── cases ───────── */
.cases { padding: clamp(70px, 10vh, 140px) clamp(20px, 4vw, 56px); }
.cases__head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: clamp(48px, 8vh, 96px);
  max-width: 1400px; margin-inline: auto;
}
.cases__note { font-size: 14px; color: var(--ink-dim); text-align: right; }
@media (max-width: 860px) {
  .cases__head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .cases__note { text-align: left; }
  .cases__note br { display: none; }
}

.case {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  max-width: 1400px;
  margin: 0 auto clamp(64px, 11vh, 140px);
  position: relative;
}
.case--reverse { grid-template-columns: 1fr 1.25fr; }
.case--reverse .case__visual { order: 2; }
.case__index {
  position: absolute; top: -0.5em; left: -0.15em; z-index: 3;
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(48px, 7vw, 96px);
  color: var(--ink-faint);
  pointer-events: none;
}
.case--reverse .case__index { left: auto; right: 0.1em; }

.case__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  display: grid; place-items: center;
}
.case__visual::after {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  /* без mix-blend-mode: блендинг внутри анимируемого блока мерцал при появлении */
  opacity: 0.06;
}
.case__shape {
  width: 42%; aspect-ratio: 1;
  transition: transform 0.9s var(--ease-out);
}
.case:hover .case__shape { transform: rotate(25deg) scale(1.12); }

/* реальный скриншот вместо абстрактной фигуры (кейсы с фото) */
.case__visual img,
.case-visual-big img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
  transition: transform 1.1s var(--ease-out);
}
.case:hover .case__visual img { transform: scale(1.05); }
/* промо-видео в hero кейса (автоплей без звука, зациклено) */
.case-visual-big video {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
/* широкий баннер целиком (без обрезки) на тёмной «сцене» */
.case-visual-big.is-contain { background: #0b0b0d; }
.case-visual-big.is-contain img { object-fit: contain; object-position: center; }

.case__visual--aurum { background: radial-gradient(120% 120% at 20% 15%, #3a2412, #15100a 65%); }
.case__visual--aurum .case__shape {
  background: conic-gradient(from 200deg, #e8965a, #6b3c18, #f4c08a, #8a4d20, #e8965a);
  border-radius: 50%;
  filter: blur(1px);
}
.case__visual--polar { background: radial-gradient(120% 130% at 80% 20%, #1d2b33, #0c1114 60%); }
.case__visual--polar .case__shape {
  background: linear-gradient(135deg, #cfe8f2, #4d7889 55%, #16242b);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.case__visual--vektor { background: radial-gradient(130% 110% at 50% 110%, #232018, #100e0a 60%); }
.case__visual--vektor .case__shape {
  background: repeating-linear-gradient(45deg, var(--copper) 0 3px, transparent 3px 16px);
  border: 1px solid var(--copper);
  border-radius: 4px;
}
.case__visual--noir { background: radial-gradient(110% 140% at 15% 85%, #261a20, #0e0a0d 60%); }
.case__visual--noir .case__shape {
  background: linear-gradient(160deg, #e3cdb6, #876b54 50%, #2b2019);
  border-radius: 50% 50% 50% 4px;
}

.case__info { padding: 0 4px; }
.case__badge {
  display: inline-block; margin-bottom: 14px;
  padding: 6px 13px; border-radius: 100px;
  background: rgba(200, 123, 61, 0.14);
  border: 1px solid rgba(200, 123, 61, 0.38);
  color: var(--copper-bright);
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
}
.case__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.2vw, 56px);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.case__desc { color: var(--ink-dim); font-size: 15px; max-width: 42ch; margin-bottom: 22px; }
.case__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case__tags span {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid var(--line); border-radius: 100px;
  color: var(--ink-dim);
}
@media (max-width: 860px) {
  .case, .case--reverse { grid-template-columns: 1fr; }
  .case--reverse .case__visual { order: 0; }
  .case__index { left: 0; font-size: 44px; top: -0.9em; }
  .case--reverse .case__index { left: 0; right: auto; }
}

/* «это малая часть работ» — приглашение к менеджеру */
.cases-more {
  display: flex; align-items: center; justify-content: space-between;
  gap: clamp(24px, 5vw, 72px);
  max-width: 1400px; margin: 0 auto;
  padding: clamp(32px, 5vw, 60px);
  border: 1px solid var(--line); border-radius: 14px;
  background: radial-gradient(120% 160% at 100% 0%, rgba(200, 123, 61, 0.10), transparent 60%), var(--bg-soft);
  transition: border-color 0.4s var(--ease-out), transform 0.5s var(--ease-out);
}
.cases-more:hover { border-color: rgba(200, 123, 61, 0.45); transform: translateY(-3px); }
.cases-more__eyebrow {
  display: block; margin-bottom: 14px;
  font-size: 12px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--copper-bright);
}
.cases-more__text h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(24px, 3.2vw, 40px); line-height: 1.1; margin-bottom: 14px;
}
.cases-more__text h3 em { font-style: normal; color: var(--copper-bright); }
.cases-more__text p { color: var(--ink-dim); font-size: 15px; line-height: 1.7; max-width: 56ch; }
.cases-more__cta {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 12px; white-space: nowrap;
  font-family: var(--font-display); font-weight: 500; font-size: 15px;
  padding: 16px 26px; border-radius: 100px;
  border: 1px solid var(--copper); color: var(--ink);
  transition: background 0.35s, color 0.35s;
}
.cases-more__cta span { transition: transform 0.35s var(--ease-out); }
.cases-more:hover .cases-more__cta { background: var(--copper); color: #16100a; }
.cases-more:hover .cases-more__cta span { transform: translateX(5px); }
@media (max-width: 760px) {
  .cases-more { flex-direction: column; align-items: flex-start; }
}

/* ───────── services ───────── */
.services {
  padding: clamp(70px, 10vh, 140px) clamp(20px, 4vw, 56px);
  max-width: 1400px; margin: 0 auto;
}
.services__title { margin-bottom: clamp(40px, 7vh, 80px); }
.service {
  display: grid;
  grid-template-columns: 80px 1.2fr 1.6fr 60px;
  align-items: center; gap: 24px;
  padding: clamp(24px, 4vh, 40px) 12px;
  border-top: 1px solid var(--line);
  position: relative;
  transition: padding-left 0.5s var(--ease-expo);
  overflow: hidden;
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--copper);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.5s var(--ease-expo);
  z-index: 0;
}
.service:hover::before { transform: scaleY(1); }
.service:hover { padding-left: 28px; }
.service > * { position: relative; z-index: 1; transition: color 0.4s; }
.service__link { position: absolute; inset: 0; z-index: 2; }
.service__num { font-family: var(--font-serif); font-style: italic; font-size: 20px; color: var(--ink-faint); }
.service h3 {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(18px, 2.4vw, 28px);
  text-transform: uppercase;
}
.service p { font-size: 14px; color: var(--ink-dim); }
.service__arrow {
  font-size: 24px; justify-self: end;
  transform: translateX(-12px); opacity: 0;
  transition: transform 0.5s var(--ease-expo), opacity 0.4s;
}
.service:hover > * { color: var(--bg); }
.service:hover .service__num, .service:hover p { color: rgba(14, 12, 10, 0.65); }
.service:hover .service__arrow { transform: translateX(0); opacity: 1; }
@media (max-width: 760px) {
  .service { grid-template-columns: 1fr; gap: 8px; }
  .service__num, .service__arrow { display: none; }
}

/* ───────── retainers: SEO-подписка и AI-автоматизация ───────── */
.retainers {
  padding: clamp(70px, 10vh, 140px) clamp(20px, 4vw, 56px);
  max-width: 1400px; margin: 0 auto;
}
.retainers__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: end;
  margin-bottom: clamp(40px, 7vh, 80px);
}
.retainers__label {
  grid-column: 1 / -1;
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--copper);
}
.retainers__sub {
  font-size: 15px; color: var(--ink-dim);
  max-width: 44ch;
  justify-self: end;
  padding-bottom: 8px;
}
.retainers__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 28px);
}
.retainer {
  display: flex; flex-direction: column;
  padding: clamp(28px, 3.5vw, 48px);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.4s, transform 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.retainer:hover { border-color: rgba(200, 123, 61, 0.55); transform: translateY(-4px); }
.retainer--accent::before {
  content: "";
  position: absolute; top: -35%; right: -20%;
  width: 70%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(200, 123, 61, 0.18), transparent 65%);
  pointer-events: none;
}
.retainer__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--copper-bright);
  border: 1px solid rgba(200, 123, 61, 0.4);
  border-radius: 100px;
  padding: 7px 14px;
  margin-bottom: 24px;
}
.retainer__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.2vw, 42px);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.retainer__title em { text-transform: lowercase; color: var(--copper-bright); }
.retainer__desc { font-size: 15px; color: var(--ink-dim); max-width: 48ch; }
.retainer__list {
  margin: 28px 0 32px;
  display: flex; flex-direction: column; gap: 0;
  flex-grow: 1;
}
.retainer__list li {
  font-size: 14px;
  padding: 13px 0 13px 26px;
  border-top: 1px solid var(--line);
  position: relative;
  color: var(--ink);
}
.retainer__list li::before {
  content: "✦";
  position: absolute; left: 2px; top: 13px;
  color: var(--copper);
  font-size: 11px;
}
.retainer__cta {
  display: inline-flex; align-items: center; gap: 10px;
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 14px 24px;
  border: 1px solid var(--ink-dim);
  border-radius: 100px;
  transition: background 0.35s, color 0.35s, border-color 0.35s;
}
.retainer__cta span { transition: transform 0.35s var(--ease-out); }
.retainer__cta:hover {
  background: var(--copper); border-color: var(--copper);
  color: var(--bg);
}
.retainer__cta:hover span { transform: translateX(4px); }
@media (max-width: 980px) {
  .retainers__head { grid-template-columns: 1fr; }
  .retainers__sub { justify-self: start; }
  .retainers__grid { grid-template-columns: 1fr; }
}

/* ───────── contact ───────── */
.contact {
  margin: clamp(70px, 10vh, 140px) clamp(20px, 4vw, 56px);
  max-width: 1400px;
  padding: clamp(40px, 7vw, 96px);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 96px);
  position: relative;
  overflow: hidden;
}
@media (min-width: 1456px) { .contact { margin-inline: auto; } }
.contact::before {
  content: "";
  position: absolute; top: -30%; right: -15%;
  width: 55%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(200, 123, 61, 0.16), transparent 65%);
  pointer-events: none;
}
.contact__label {
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 28px;
}
.contact__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05; text-transform: uppercase;
  margin-bottom: 24px;
}
.contact__title em { text-transform: lowercase; color: var(--copper-bright); }
.contact__sub { color: var(--ink-dim); font-size: 15px; max-width: 36ch; }

.form { display: flex; flex-direction: column; gap: 28px; position: relative; z-index: 1; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form__field { display: flex; flex-direction: column; gap: 10px; }
.form__field label, .form__legend {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}
.form__field input[type="text"],
.form__field textarea {
  background: transparent;
  border: none; border-bottom: 1px solid var(--line);
  padding: 10px 2px 14px;
  font-family: var(--font-body); font-size: 17px;
  color: var(--ink);
  outline: none; resize: none;
  transition: border-color 0.4s;
  border-radius: 0;
}
.form__field input::placeholder, .form__field textarea::placeholder { color: var(--ink-faint); }
.form__field input:focus, .form__field textarea:focus { border-color: var(--copper-bright); }
.form__pills { display: flex; flex-wrap: wrap; gap: 10px; }
.form__pills input { position: absolute; opacity: 0; pointer-events: none; }
.form__pills span {
  display: inline-block;
  font-size: 13px; font-weight: 500;
  padding: 10px 18px;
  border: 1px solid var(--line); border-radius: 100px;
  color: var(--ink-dim);
  transition: all 0.3s;
}
.form__pills label:hover span { border-color: var(--ink-dim); color: var(--ink); }
.form__pills input:checked + span {
  background: var(--copper); border-color: var(--copper);
  color: var(--bg); font-weight: 600;
}
.form__submit {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  margin-top: 8px;
  padding: 22px 32px;
  background: var(--ink); color: var(--bg);
  border: none; border-radius: 100px;
  font-family: var(--font-display);
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  position: relative; overflow: hidden;
  transition: transform 0.3s var(--ease-out);
}
.form__submit::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--copper-bright);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease-expo);
  border-radius: 100px;
}
.form__submit:hover::before { transform: translateY(0); }
.form__submit:active { transform: scale(0.97); }
.form__submit span { position: relative; z-index: 1; }
.form__submit-icon { transition: transform 0.5s var(--ease-expo); }
.form__submit:hover .form__submit-icon { transform: rotate(180deg); }
.form__done {
  display: none;
  font-family: var(--font-serif); font-style: italic;
  font-size: 20px; color: var(--copper-bright);
}
.form.is-sent .form__done { display: block; }
.form.is-sent .form__submit { display: none; }
@media (max-width: 980px) {
  .contact { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
}

/* ───────── footer ───────── */
.footer {
  padding: clamp(48px, 8vh, 96px) clamp(20px, 4vw, 56px) 28px;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.footer__big {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 11.2vw, 190px);
  line-height: 0.9;
  text-align: center;
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, var(--ink) 30%, transparent 115%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
  margin-bottom: clamp(40px, 7vh, 80px);
}
.footer__row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  font-size: 12px; color: var(--ink-dim);
  letter-spacing: 0.04em;
}
.footer__links { display: flex; gap: 24px; }
.footer__links a {
  text-transform: uppercase; letter-spacing: 0.08em;
  transition: color 0.3s;
}
.footer__links a:hover { color: var(--copper-bright); }

/* ═════════ внутренние страницы ═════════ */

.page-hero {
  padding: clamp(140px, 22vh, 220px) clamp(20px, 4vw, 56px) clamp(48px, 8vh, 96px);
  max-width: 1400px; margin: 0 auto;
}
.page-hero__label {
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--copper); margin-bottom: 28px;
}
.page-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 110px);
  line-height: 0.98;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.page-hero__title em { text-transform: lowercase; font-weight: 500; color: var(--copper-bright); }
.page-hero__sub { font-size: clamp(16px, 1.4vw, 19px); color: var(--ink-dim); max-width: 52ch; }
.page-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 36px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 16px 28px;
  border-radius: 100px;
  border: 1px solid var(--ink-dim);
  transition: background 0.35s, color 0.35s, border-color 0.35s;
}
.btn:hover { background: var(--copper); border-color: var(--copper); color: var(--bg); }
.btn--solid { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn--solid:hover { background: var(--copper-bright); border-color: var(--copper-bright); }

.page-section {
  padding: clamp(56px, 9vh, 120px) clamp(20px, 4vw, 56px);
  max-width: 1400px; margin: 0 auto;
}
.page-section--flush { padding-top: 0; }
.page-section--soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: none;
}
.page-section--soft > .page-section__inner { max-width: 1400px; margin: 0 auto; }
.page-section__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(26px, 4vw, 52px);
  text-transform: uppercase; line-height: 1.05;
  margin-bottom: clamp(36px, 6vh, 64px);
}
.page-section__title em { text-transform: lowercase; color: var(--copper-bright); }

/* шаги процесса */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { border-top: 1px solid var(--line); padding-top: 20px; }
.step__num { font-family: var(--font-serif); font-style: italic; font-size: 26px; color: var(--copper-bright); }
.step h3 {
  font-family: var(--font-display); font-weight: 500;
  font-size: 17px; text-transform: uppercase;
  margin: 12px 0 10px;
}
.step p { font-size: 14px; color: var(--ink-dim); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* сетка преимуществ / что входит */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 24px); }
.feature {
  padding: clamp(22px, 2.6vw, 36px);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.4s;
}
.page-section--soft .feature { background: var(--bg); }
.feature:hover { border-color: rgba(200, 123, 61, 0.5); }
.feature__icon { font-size: 15px; color: var(--copper-bright); }
.feature h3 {
  font-family: var(--font-display); font-weight: 500;
  font-size: 16px; text-transform: uppercase;
  margin: 14px 0 10px;
}
.feature p { font-size: 14px; color: var(--ink-dim); }
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .feature-grid { grid-template-columns: 1fr; } }

/* страница кейса */
.case-facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.case-facts b {
  display: block;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.case-facts span { font-size: 15px; }
@media (max-width: 700px) { .case-facts { grid-template-columns: 1fr 1fr; } }

.case-visual-big {
  position: relative;
  aspect-ratio: 16 / 8;
  border-radius: 8px;
  overflow: hidden;
  display: grid; place-items: center;
  margin: clamp(36px, 6vh, 64px) 0;
}
.case-visual-big::after {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  /* без mix-blend-mode: блендинг внутри анимируемого блока мерцал при появлении */
  opacity: 0.06;
}
.case-visual-big .case__shape { width: 26%; }
@media (max-width: 700px) { .case-visual-big { aspect-ratio: 4 / 3; } }

/* walkthrough: экраны продукта с контекстом (номер + заголовок + обоснование) */
.walkthrough { margin-top: clamp(48px, 9vh, 110px); }
.walkthrough > h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(20px, 2.2vw, 28px); text-transform: uppercase;
  margin-bottom: clamp(28px, 5vh, 52px);
}
.walkthrough > h2 em { text-transform: lowercase; color: var(--copper-bright); }
.wt-step { margin-bottom: clamp(40px, 8vh, 96px); }
.wt-head {
  display: grid; grid-template-columns: 64px 1fr; gap: clamp(12px, 2vw, 28px);
  align-items: start; max-width: 780px; margin-bottom: clamp(20px, 3vh, 32px);
}
.wt-head b {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(28px, 3.4vw, 44px); line-height: 0.9; color: var(--ink-faint);
}
.wt-head h3 {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(17px, 1.9vw, 22px); letter-spacing: 0.01em; margin-bottom: 10px;
}
.wt-head p { font-size: 15px; color: var(--ink-dim); line-height: 1.75; }
.wt-shot {
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(130% 120% at 50% 0%, #16203a, #090d18 70%);
  padding: clamp(14px, 2.6vw, 40px);
}
.wt-shot img {
  display: block; width: 100%; height: auto; border-radius: 7px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}
@media (max-width: 560px) { .wt-head { grid-template-columns: 1fr; gap: 6px; } .wt-head b { font-size: 26px; } }

/* сетка мобильных экранов (флоу приложения) */
.phones-wrap { margin-top: clamp(48px, 9vh, 110px); }
.phones-wrap > h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(20px, 2.2vw, 28px); text-transform: uppercase;
  margin-bottom: clamp(28px, 5vh, 52px);
}
.phones-wrap > h2 em { text-transform: lowercase; color: var(--copper-bright); }
.phones {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: clamp(22px, 3vw, 44px);
}
.phone { margin: 0; }
.phone__frame {
  border-radius: 24px; overflow: hidden; border: 1px solid var(--line);
  background: #0a0f1c; box-shadow: 0 24px 54px rgba(0, 0, 0, 0.45);
}
.phone__frame img { display: block; width: 100%; height: auto; }
.phone figcaption { margin-top: 16px; }
.phone figcaption b {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px;
}
.phone figcaption span { font-size: 13px; color: var(--ink-dim); line-height: 1.6; }

.case-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 64px); }
.case-cols h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(20px, 2.2vw, 28px); text-transform: uppercase;
  margin-bottom: 16px;
}
.case-cols h2 em { text-transform: lowercase; color: var(--copper-bright); }
.case-cols p { font-size: 15px; color: var(--ink-dim); line-height: 1.7; }
@media (max-width: 760px) { .case-cols { grid-template-columns: 1fr; } }

.case-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: clamp(48px, 8vh, 88px);
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.case-stats b {
  display: block;
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(28px, 3.6vw, 48px);
  color: var(--copper-bright);
}
.case-stats span { font-size: 13px; color: var(--ink-dim); }
@media (max-width: 560px) { .case-stats { grid-template-columns: 1fr; } }

.next-case {
  display: block;
  text-align: center;
  padding: clamp(56px, 10vh, 110px) clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
}
.next-case small {
  display: block;
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 16px;
}
.next-case strong {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(40px, 7vw, 96px);
  text-transform: uppercase;
  transition: color 0.4s;
}
.next-case:hover strong { color: var(--copper-bright); }

/* компактная форма на внутренних страницах */
.page-form {
  max-width: 720px; margin: 0 auto;
  padding: clamp(40px, 6vw, 64px);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.page-form .form__submit { width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}