/* ============================================================
   Contora37 — «швейный лукбук»
   Светлый fashion-editorial: молочный фон, чернильный графит,
   портновский красный, пунктирные строчки-разделители.
   ============================================================ */

:root {
  /* палитра */
  --paper: #f4f1ea;        /* молочный / экрю */
  --canvas: #eae5d9;       /* крафт-подложка */
  --ink: #1b1a17;          /* чернильный графит */
  --ink-soft: #56524a;     /* вторичный текст */
  --thread: #c8372d;       /* портновский красный */
  --thread-dark: #a52a22;
  --line: #cfc9bb;         /* тонкие линии */

  /* типографика */
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Golos Text", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-hero: clamp(3.2rem, 1.2rem + 9.5vw, 9.5rem);
  --text-h2: clamp(2rem, 1.2rem + 3.4vw, 4.2rem);
  --text-h3: clamp(1.15rem, 1rem + 0.6vw, 1.5rem);

  /* ритм */
  --space-section: clamp(4.5rem, 3rem + 6vw, 9rem);
  --pad-x: clamp(1.1rem, 3.5vw, 4rem);
  --content-max: 82rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

a, button, input, select, summary { touch-action: manipulation; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 0.7em 1.2em;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
}
.skip-link:focus-visible { left: 0; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  /* лёгкое «зерно ткани» */
  background-image: radial-gradient(rgba(27, 26, 23, 0.035) 1px, transparent 1px);
  background-size: 5px 5px;
  -webkit-font-smoothing: antialiased;
}

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

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- машинная строчка (стежки) ---------- */
.hero__stitch,
.section-head::after {
  content: "";
  display: block;
  height: 2px;
  border: none;
  background: repeating-linear-gradient(90deg, var(--thread) 0 12px, transparent 12px 20px);
  opacity: 0.9;
}

/* ---------- прострочка по краям блоков ----------
   Как отстрочка по краю ткани: стежки с отступом от кромки. */
.marquee, .why, .lead { position: relative; }
.marquee::before, .marquee::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(27, 26, 23, 0.8) 0 12px, transparent 12px 20px);
  pointer-events: none;
}
.marquee::before { top: 6px; }
.marquee::after { bottom: 6px; }
.why::after, .lead::before, .lead::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(244, 241, 234, 0.65) 0 12px, transparent 12px 20px);
  pointer-events: none;
}
.why::after { bottom: 10px; }
.lead::before { top: 10px; }
.lead::after { bottom: 10px; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  padding: 0.85em 1.9em;
  border: 2px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), background-color 0.2s, color 0.2s, box-shadow 0.25s var(--ease-out);
}
.btn--solid {
  background: var(--ink);
  color: var(--paper);
}
.btn--solid:hover, .btn--solid:focus-visible {
  background: var(--thread);
  border-color: var(--thread);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(200, 55, 45, 0.28);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}
.btn--big { font-size: 1.1rem; padding: 1em 2.4em; }
.btn:focus-visible { outline: 3px solid var(--thread); outline-offset: 3px; }

/* ============================================================
   ШАПКА
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 241, 234, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.8rem var(--pad-x);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.logo__num { color: var(--thread); }
.nav {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
}
.nav a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.3em 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav a:hover, .nav a:focus-visible { color: var(--ink); border-bottom-color: var(--thread); }
.header__cta { font-size: 0.85rem; padding: 0.7em 1.4em; }
.burger { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 5rem) var(--pad-x) 0;
}
.hero__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(1.5rem, 3vw, 3rem);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-hero);
  line-height: 0.98;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
.hero__line { display: block; }
.hero__line--accent {
  color: var(--thread);
  margin-left: clamp(1rem, 12vw, 14rem); /* журнальный сдвиг строки */
}
.hero__spool {
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  margin-left: 0.18em;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--thread) 0%, var(--thread-dark) 75%);
  vertical-align: baseline;
}
.hero__bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2.5rem;
  margin: clamp(2rem, 4vw, 3.5rem) 0;
  flex-wrap: wrap;
}
.hero__sub {
  max-width: 34rem;
  font-size: clamp(1.05rem, 1rem + 0.35vw, 1.25rem);
  color: var(--ink-soft);
}
.hero__sub strong { color: var(--ink); }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__stitch { margin-top: clamp(1rem, 2vw, 2rem); }

/* ============================================================
   ЛЕНТА ЦИФР
   ============================================================ */
.stats { border-bottom: 1px solid var(--line); }
.stats__grid {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.stat__plus { color: var(--thread); }
.stat {
  padding: clamp(1.5rem, 3vw, 2.5rem) 1.5rem;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat dd {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 1.5rem + 2.6vw, 4rem);
  line-height: 1.05;
  margin-top: 0.35rem;
  font-variant-numeric: tabular-nums;
}
.stat__unit {
  font-size: 0.38em;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ============================================================
   ЗАГОЛОВКИ СЕКЦИЙ
   ============================================================ */
section { scroll-margin-top: 5rem; }

.section-head {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-section) var(--pad-x) 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 1.2rem 2rem;
}
.section-head::after {
  grid-column: 1 / -1;
  margin-top: 1.4rem;
}
.section-head__num {
  font-size: 1rem;
  color: var(--thread);
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-h2);
  line-height: 1.02;
  text-transform: uppercase;
  text-wrap: balance;
}
.section-head__note { color: var(--ink-soft); max-width: 18rem; text-align: right; align-self: end; }

/* ============================================================
   ЧТО ШЬЁМ
   ============================================================ */
.products__grid {
  list-style: none;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x) 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.product-card {
  position: relative;
  background: #fdfcf8;
  border: 1px solid var(--line);
  padding: 1.8rem 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 15rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.2s;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 32px rgba(27, 26, 23, 0.1);
  border-color: var(--ink);
}
.product-card__num { color: var(--thread); }
.product-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-h3);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.product-card p { color: var(--ink-soft); font-size: 0.95rem; flex-grow: 1; }
.product-card__price {
  border-top: 1px dashed var(--line);
  padding-top: 0.8rem;
  color: var(--ink);
}
.product-card--accent {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.product-card--accent h3 { color: var(--paper); }
.product-card--accent p { color: #b5b0a4; }
.product-card--accent .product-card__price { color: var(--paper); border-top-color: #4a4740; }
.product-card--accent:hover { box-shadow: 0 14px 32px rgba(27, 26, 23, 0.35); }

/* ============================================================
   ПОД КЛЮЧ
   ============================================================ */
.keys__grid {
  list-style: none;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x) 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.key {
  background: var(--canvas);
  border: 1px solid var(--line);
  padding: 1.7rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.2s;
}
.key:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 32px rgba(27, 26, 23, 0.12);
  border-color: var(--ink);
}
.key__num { color: var(--thread); }
.key h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.key p { color: var(--ink-soft); font-size: 0.92rem; }

/* ============================================================
   БЕГУЩАЯ ЛЕНТА
   ============================================================ */
.marquee {
  margin-top: var(--space-section);
  background: var(--thread);
  color: var(--paper);
  overflow: hidden;
  padding: 0.95rem 0;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 38s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__content {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding-right: 2.4rem;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.marquee__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  flex: none;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ============================================================
   ЦЕХ СЕЛЛЕРА (инверсия)
   ============================================================ */
.why {
  background: var(--ink);
  color: var(--paper);
}
.why__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--pad-x) var(--space-section);
}
.why .section-head { padding-left: 0; padding-right: 0; }
.why .section-head h2 { color: var(--paper); }
.why .section-head::after { border-top-color: var(--thread); }
.why__lead {
  font-size: clamp(1.2rem, 1rem + 1vw, 1.7rem);
  max-width: 40rem;
  margin: clamp(1.8rem, 3vw, 2.8rem) 0;
  color: #d9d4c7;
}
.why__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.2rem 3rem;
}
.why__list li { border-top: 1px dashed #4a4740; padding-top: 1.2rem; }
.why__mark { color: var(--thread); display: block; margin-bottom: 0.5rem; font-size: 0.85rem; }
.why__list p { color: #b5b0a4; font-size: 0.98rem; }

/* ============================================================
   ПРОЦЕСС
   ============================================================ */
.process__steps {
  list-style: none;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x) 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.4rem;
  counter-reset: step;
}
.step { position: relative; padding-top: 1.1rem; }
.step::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: -1.4rem;
  border-top: 2px dashed var(--line);
}
.step:last-child::before { right: 0; }
.step::after {
  content: "";
  position: absolute;
  top: -5px; left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--thread);
}
.step__num { color: var(--thread); font-size: 0.75rem; }
.step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.25rem;
  text-transform: uppercase;
  margin: 0.4rem 0 0.5rem;
}
.step p { color: var(--ink-soft); font-size: 0.92rem; }

/* ============================================================
   ЦЕНЫ
   ============================================================ */
.prices__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x) 0;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.prices__factors { list-style: none; display: grid; gap: 1.4rem; }
.prices__factors li {
  padding-left: 1.4rem;
  border-left: 3px solid var(--thread);
  color: var(--ink-soft);
}
.prices__factors strong { color: var(--ink); }
.prices__cta {
  background: var(--canvas);
  border: 1px solid var(--line);
  padding: 2rem 1.8rem;
  display: grid;
  gap: 1.4rem;
}
.prices__cta .mono { text-transform: none; letter-spacing: 0.02em; font-size: 0.9rem; }

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x) 0;
}
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.1rem, 1rem + 0.7vw, 1.6rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 1.3rem 3rem 1.3rem 0;
  position: relative;
  transition: color 0.2s;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--thread);
  transition: transform 0.25s var(--ease-out);
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item summary:hover { color: var(--thread); }
.faq__item summary:focus-visible { outline: 3px solid var(--thread); outline-offset: 3px; }
.faq__item p { padding: 0 0 1.5rem; max-width: 46rem; color: var(--ink-soft); }

/* ============================================================
   ФОРМА
   ============================================================ */
.lead {
  margin-top: var(--space-section);
  background: var(--ink);
  color: var(--paper);
}
.lead__inner {
  max-width: 56rem;
  margin: 0 auto;
  padding: var(--space-section) var(--pad-x);
}
.lead__head { margin-bottom: 2.5rem; display: grid; gap: 0.9rem; }
.section-head__num--invert { color: var(--thread); }
.lead__head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-h2);
  text-transform: uppercase;
  line-height: 1.02;
}
.lead__head p { color: #b5b0a4; max-width: 34rem; }

.lead-form { display: grid; gap: 1.4rem; }
.lead-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.field { display: grid; gap: 0.5rem; }
.field__label { color: #8f8a7e; font-size: 0.72rem; }
.field input, .field select {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--paper);
  background: #26241f;
  border: 1px solid #4a4740;
  padding: 0.95em 1em;
  width: 100%;
  transition: border-color 0.2s, background-color 0.2s;
}
.field input::placeholder { color: #8f8a7e; }
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--thread);
  background: #2c2a24;
}
.field select { appearance: none; }
.field input.invalid, .field select.invalid { border-color: var(--thread); }

.hp { position: absolute; left: -5000px; opacity: 0; height: 0; }

.consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: #b5b0a4;
  cursor: pointer;
}
.consent input { margin-top: 0.25em; accent-color: var(--thread); width: 1.05em; height: 1.05em; }
.consent a { color: var(--paper); }

.lead-form__submit { justify-self: start; border-color: var(--thread); background: var(--thread); }
.lead-form__submit:hover, .lead-form__submit:focus-visible {
  background: #e04437;
  border-color: #e04437;
  box-shadow: 0 8px 26px rgba(200, 55, 45, 0.4);
}
.lead-form__status { min-height: 1.4em; text-transform: none; letter-spacing: 0.03em; color: #b5b0a4; }
.lead-form__status.ok { color: #8fce91; }
.lead-form__status.err { color: #ff9d94; }

/* ============================================================
   ФУТЕР
   ============================================================ */
.footer { }
.footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.5rem var(--pad-x) 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: end; /* все колонки по одной нижней линии */
}
.footer .mono { text-transform: none; letter-spacing: 0.03em; }
.logo--footer { font-size: 1.3rem; display: inline-block; margin-bottom: 0.5rem; }
.footer__legal { text-align: right; justify-self: end; }
.footer__legal a { color: var(--ink-soft); }
.footer__legal a:hover { color: var(--thread); }
.footer__contacts p, .footer__legal p, .footer__legal a { margin-bottom: 0.45rem; display: block; }
.footer__brand p, .footer__contacts p:last-child, .footer__legal p:last-child { margin-bottom: 0; }

/* ============================================================
   АНИМАЦИИ (включаются классом .js — без JS всё видно)
   ============================================================ */
.js .hero__line, .js .hero__sub, .js .hero__actions, .js .hero__meta { opacity: 0; }
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .hero__line, .js .hero__sub, .js .hero__actions, .js .hero__meta, .reveal {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
}

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 980px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .keys__grid { grid-template-columns: repeat(2, 1fr); }
  .process__steps { grid-template-columns: repeat(2, 1fr); row-gap: 2.2rem; }
  .prices__inner { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .section-head { grid-template-columns: auto 1fr; }
  .section-head__note { grid-column: 1 / -1; text-align: left; max-width: none; }
}

@media (max-width: 720px) {
  .nav, .header__cta { display: none; }
  .burger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-left: auto;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
  }
    .burger:focus-visible { outline: 3px solid var(--thread); outline-offset: 3px; }
  .burger span { width: 26px; height: 2px; background: var(--ink); transition: transform 0.25s, opacity 0.2s; }
  .burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav.open {
    display: flex;
    position: fixed;
    inset: 57px 0 auto 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 1.2rem var(--pad-x) 1.6rem;
    gap: 1.1rem;
    z-index: 49;
  }
  .hero__line--accent { margin-left: 0; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .stat { border-left: none; padding-left: 0; border-top: 1px dashed var(--line); }
  .stat:nth-child(-n+2) { border-top: none; }
  .products__grid { grid-template-columns: 1fr; }
  .keys__grid { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }
  .step::before { right: 0; }
  .why__list { grid-template-columns: 1fr; }
  .lead-form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__legal { text-align: left; justify-self: start; }
}