/* =========================================================
   ТОКЕНЫ
   ========================================================= */
:root {
  --tangerine: #FF6B0A;
  --ember: #D94A00;
  --apricot: #FFD2A6;
  --haze: #FFF1E3;
  --ink: #2B1608;
  --paper: #FFFFFF;

  --font-display: "Unbounded", "Arial Black", "Segoe UI", sans-serif;
  --font-body: "Onest", "Segoe UI", Roboto, Arial, sans-serif;

  --r-panel: 28px;
  --r-tile: 18px;
  --r-btn: 14px;

  --container: 1180px;
  --gutter: clamp(20px, 5vw, 48px);
  --header-h: 72px;

  --ease: cubic-bezier(.2, .8, .2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--font-body);
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h2 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); font-weight: 800; }
h3 { font-size: clamp(1.02rem, 1.5vw, 1.2rem); font-weight: 500; line-height: 1.3; }

p { margin: 0 0 1em; max-width: 64ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--ember); text-underline-offset: .18em; }
a:hover { color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; border-radius: var(--r-btn);
  transition: top .2s;
}
.skip:focus { top: 12px; color: var(--paper); }

/* =========================================================
   КНОПКИ — жёсткая тень-смещение вместо мягкой
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 26px;
  font: 700 1rem/1 var(--font-body);
  text-decoration: none;
  border: 2.5px solid var(--ink);
  border-radius: var(--r-btn);
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background-color .18s;
}
.btn--sm { padding: 11px 18px; font-size: .95rem; }

.btn--ink { background: var(--ink); color: var(--paper); box-shadow: 5px 5px 0 var(--paper); }
.btn--ink:hover { color: var(--paper); transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--paper); }

.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

.btn--tangerine { background: var(--tangerine); color: var(--ink); box-shadow: 5px 5px 0 var(--ink); }
.btn--tangerine:hover { color: var(--ink); transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }
.btn:active { transform: translate(5px, 5px); box-shadow: 0 0 0 transparent; }

/* =========================================================
   ШАПКА
   ========================================================= */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  background: var(--tangerine);
  border-bottom: 2.5px solid transparent;
  transition: transform .35s var(--ease), background-color .25s, border-color .25s;
}
.header.is-scrolled { background: var(--paper); border-bottom-color: var(--ink); }
.header.is-hidden { transform: translateY(-100%); }

.header__row { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font: 800 1.05rem/1 var(--font-display);
  color: var(--ink); text-decoration: none;
}
.logo__mark { border: 2.5px solid var(--ink); border-radius: 12px; }
.logo--light { color: var(--apricot); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.nav__list a {
  position: relative;
  color: var(--ink); text-decoration: none; font-weight: 500; font-size: .98rem;
  padding: 6px 0;
}
.nav__list a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2.5px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav__list a:hover::after, .nav__list a.is-active::after { transform: scaleX(1); }

.burger {
  display: none;
  width: 46px; height: 46px; padding: 0;
  background: var(--paper); border: 2.5px solid var(--ink); border-radius: 12px;
  cursor: pointer;
}
.burger span {
  display: block; width: 20px; height: 2.5px; margin: 4px auto;
  background: var(--ink); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* =========================================================
   БОКОВОЙ «КАБЕЛЬ»
   ========================================================= */
.spine {
  position: fixed; z-index: 40;
  left: 26px; top: 50%; transform: translateY(-50%);
  display: none; flex-direction: column; gap: 26px;
  padding: 6px 0;
}
.spine::before, .spine__fill {
  content: ""; position: absolute; left: 6px; top: 12px; width: 3px; border-radius: 3px;
}
.spine::before { bottom: 12px; background: var(--apricot); }
.spine__fill { height: calc(100% - 24px); background: var(--ink); transform: scaleY(0); transform-origin: top; }

.spine.is-off { opacity: 0; visibility: hidden; }
.spine { transition: opacity .3s, visibility .3s; }
.spine a {
  position: relative; z-index: 1;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--paper); border: 3px solid var(--ink);
  transition: background-color .2s, transform .2s var(--ease);
}
.spine a:hover, .spine a.is-active { background: var(--tangerine); transform: scale(1.35); }
.spine a span {
  position: absolute; left: 26px; top: 50%;
  transform: translate(-6px, -50%); opacity: 0; pointer-events: none;
  background: var(--ink); color: var(--paper);
  font-size: .8rem; font-weight: 500; line-height: 1; white-space: nowrap;
  padding: 7px 10px; border-radius: 8px;
  transition: opacity .2s, transform .2s var(--ease);
}
.spine a:hover span, .spine a:focus-visible span { opacity: 1; transform: translate(0, -50%); }

@media (min-width: 1360px) { .spine { display: flex; } }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(36px, 7vw, 84px)) 0 clamp(90px, 10vw, 136px);
  background-color: var(--tangerine);
  background-image: radial-gradient(rgba(43, 22, 8, .16) 1.5px, transparent 1.6px);
  background-size: 26px 26px;
}
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(28px, 5vw, 72px); align-items: center;
}
.hero__title {
  font-size: clamp(2.1rem, 5.4vw, 4.3rem);
  font-weight: 800; line-height: 1.04; letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}
.hero__lead { margin: 26px 0 34px; font-size: clamp(1.06rem, 1.5vw, 1.25rem); font-weight: 500; max-width: 52ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__points {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  list-style: none; padding: 0; margin: 36px 0 0; font-weight: 500; font-size: .98rem;
}
.hero__points li { display: flex; align-items: center; gap: 8px; }
.hero__points li::before {
  content: ""; width: 18px; height: 18px; flex: none; border-radius: 50%;
  background: var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='m5 9.5 3 3 5-6' fill='none' stroke='%23FFD2A6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}

.hero__art { margin: 0; transition: transform .5s var(--ease); will-change: transform; }

/* единая сцена загрузки */
.hero__title, .hero__lead, .hero__actions, .hero__points { animation: rise .9s var(--ease) both; }
.hero__lead { animation-delay: .12s; }
.hero__actions { animation-delay: .22s; }
.hero__points { animation-delay: .32s; }
.hero__art img { animation: plug 1.1s var(--ease) .15s both; }

@keyframes rise { from { opacity: 0; transform: translateY(34px); } }
@keyframes plug { from { opacity: 0; transform: scale(.82) rotate(-6deg); } }

/* волна-сигнал на границе hero */
.hero__wave { position: absolute; left: 0; right: 0; bottom: -1px; height: clamp(44px, 6vw, 80px); overflow: hidden; }
.hero__wave svg { width: 200%; height: 100%; max-width: none; fill: var(--paper); animation: drift 14s linear infinite; }
@keyframes drift { to { transform: translateX(-50%); } }

/* =========================================================
   СЕКЦИИ
   ========================================================= */
.section { padding: clamp(64px, 9vw, 128px) 0; }
.section__head { max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.section__head h2 { margin-bottom: 18px; }

/* О сервисе */
.about__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: clamp(32px, 6vw, 88px); align-items: center;
}
.about__copy h2 { margin-bottom: 24px; }
.about__art { margin: 0; position: relative; isolation: isolate; }
.about__art::before {
  content: ""; position: absolute; z-index: -1;
  inset: 8% -6% -4% 10%;
  background: var(--apricot); border-radius: var(--r-panel);
  transform: rotate(3deg);
}
.about__art figcaption { margin-top: 14px; font-size: .9rem; opacity: .75; }

.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 34px; font-weight: 500; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .2em; width: 22px; height: 22px;
  border: 2.5px solid var(--ink); border-radius: 7px; background: var(--tangerine);
}
.ticks li::after {
  content: ""; position: absolute; left: 7px; top: calc(.2em + 4px); width: 7px; height: 11px;
  border: solid var(--ink); border-width: 0 2.5px 2.5px 0; transform: rotate(40deg);
}

/* Преимущества — бенто с разным весом блоков */
.benefits { background: var(--haze); }
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.bento__item {
  padding: clamp(24px, 3vw, 38px);
  border: 2.5px solid var(--ink); border-radius: var(--r-panel);
  display: flex; flex-direction: column; gap: 14px;
}
.bento__item p { font-size: 1rem; }
.bento__icon {
  width: 46px; height: 46px; margin-bottom: 6px;
  fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round;
}
.bento__item--ink { grid-column: span 5; grid-row: span 2; background: var(--ink); color: var(--apricot); justify-content: flex-end; }
.bento__item--ink h3 { font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 800; color: var(--paper); }
.bento__item--ink .bento__icon { width: 72px; height: 72px; stroke: var(--tangerine); margin-bottom: auto; }
.bento__item--tangerine { grid-column: span 7; background: var(--tangerine); }
.bento__item--haze { grid-column: span 4; background: var(--apricot); }
.bento__item--paper { grid-column: span 3; background: var(--paper); }

/* Этапы */
.how__art {
  margin: 0 0 clamp(32px, 5vw, 56px);
  padding: clamp(16px, 3vw, 36px);
  border: 2.5px solid var(--ink); border-radius: var(--r-panel);
  background: var(--haze);
}
.how__art img { margin-inline: auto; }

.steps {
  list-style: none; margin: 0; padding: 0;
  counter-reset: step;
  --gap: clamp(20px, 3vw, 40px);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap);
  position: relative;
}
.steps::before {
  content: ""; position: absolute; left: 0; top: 30px; height: 3px;
  right: calc((100% - var(--gap) * 2) / 3 - 62px);
  background: repeating-linear-gradient(90deg, var(--ink) 0 8px, transparent 8px 18px);
  transform: scaleX(0); transform-origin: left;
  transition: transform 1.4s var(--ease);
}
.steps.is-drawn::before { transform: scaleX(1); }
.steps__item { counter-increment: step; position: relative; padding-top: 84px; }
.steps__item::before {
  content: counter(step);
  position: absolute; top: 0; left: 0;
  width: 62px; height: 62px; display: grid; place-items: center;
  font: 800 1.5rem/1 var(--font-display);
  background: var(--tangerine); border: 2.5px solid var(--ink); border-radius: var(--r-tile);
  box-shadow: 5px 5px 0 var(--ink);
}
.steps__item h3 { margin-bottom: 10px; }

/* Сравнение */
.compare { background: var(--haze); }
.table-wrap { overflow-x: auto; border: 2.5px solid var(--ink); border-radius: var(--r-panel); background: var(--paper); }
.table { width: 100%; min-width: 560px; border-collapse: collapse; text-align: left; }
.table th, .table td { padding: 18px 24px; }
.table thead th { background: var(--ink); color: var(--paper); font: 500 .95rem/1.3 var(--font-display); }
.table thead th:nth-child(2) { background: var(--tangerine); color: var(--ink); }
.table tbody tr + tr { border-top: 2px solid var(--haze); }
.table tbody th { font-weight: 700; }
.table tbody td:nth-child(2) { background: rgba(255, 107, 10, .1); font-weight: 500; }

/* FAQ */
.faq__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.faq__head { position: sticky; top: calc(var(--header-h) + 32px); }
.faq__head h2 { margin-bottom: 18px; }
.faq__list { display: grid; gap: 14px; }
.faq__item { border: 2.5px solid var(--ink); border-radius: var(--r-tile); background: var(--paper); overflow: hidden; transition: background-color .25s; }
.faq__item[open] { background: var(--haze); }
.faq__item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px 24px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: ""; flex: none; width: 34px; height: 34px; border-radius: 10px;
  border: 2.5px solid var(--ink);
  background:
    linear-gradient(var(--ink), var(--ink)) center/14px 2.5px no-repeat,
    linear-gradient(var(--ink), var(--ink)) center/2.5px 14px no-repeat,
    var(--tangerine);
  transition: transform .3s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(135deg); }
.faq__body { padding: 0 24px 22px; }

/* Заявка */
.contact__panel {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: clamp(28px, 5vw, 64px); align-items: center;
  padding: clamp(28px, 5vw, 64px);
  background-color: var(--tangerine);
  background-image: radial-gradient(rgba(43, 22, 8, .16) 1.5px, transparent 1.6px);
  background-size: 26px 26px;
  border: 2.5px solid var(--ink); border-radius: var(--r-panel);
  box-shadow: 10px 10px 0 var(--ink);
}
.contact__copy h2 { margin-bottom: 18px; }
.contact__copy p { font-weight: 500; }
.contact__copy a { color: var(--ink); font-weight: 700; }

.form {
  display: grid; gap: 16px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper); border: 2.5px solid var(--ink); border-radius: var(--r-tile);
}
.field label { display: block; font-weight: 700; font-size: .95rem; margin-bottom: 6px; }
.field__opt { font-weight: 400; opacity: .65; }
.field input, .field textarea {
  width: 100%; padding: 13px 14px;
  font: inherit; color: inherit;
  background: var(--haze); border: 2.5px solid var(--ink); border-radius: 12px;
  transition: background-color .2s, box-shadow .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 92px; }
.field input:focus, .field textarea:focus { outline: none; background: var(--paper); box-shadow: 4px 4px 0 var(--tangerine); }
.field.is-invalid input { border-color: var(--ember); background: #FFE4D6; }
.field__error { margin: 6px 0 0; font-size: .9rem; font-weight: 500; color: #A53600; }
.form__status { margin: 0; font-weight: 700; min-height: 1.4em; }

/* =========================================================
   ПОДВАЛ
   ========================================================= */
.footer { background: var(--ink); color: var(--apricot); padding: clamp(48px, 7vw, 80px) 0 28px; }
.footer a { color: var(--apricot); }
.footer a:hover { color: var(--tangerine); }
.footer :focus-visible { outline-color: var(--tangerine); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer__grid p { margin-top: 16px; font-size: .98rem; max-width: 40ch; }
.footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer__contacts { font-style: normal; display: grid; gap: 10px; align-content: start; }
.footer__bottom {
  margin-top: 48px; padding-top: 22px;
  border-top: 2px solid rgba(255, 210, 166, .25);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: .9rem;
}
.footer__bottom p { margin: 0; }

/* =========================================================
   ПОЯВЛЕНИЕ ПРИ ПРОКРУТКЕ
   Скрытое состояние вешает JS и только на блоки ниже экрана —
   без JS контент виден сразу.
   ========================================================= */
.reveal--armed { opacity: 0; transform: translateY(40px); }
.reveal--armed.bento__item { transform: translateY(40px) scale(.96); }
.reveal--armed.about__art { transform: translateX(60px) rotate(2deg); }
.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================
   АДАПТИВ
   ========================================================= */
@media (max-width: 960px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 20px;
    padding: 24px var(--gutter) 32px;
    background: var(--paper); border-bottom: 2.5px solid var(--ink);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: transform .3s var(--ease), opacity .25s, visibility .25s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 4px; }
  .nav__list a { display: block; padding: 12px 0; font-size: 1.1rem; }

  .hero__grid, .about__grid, .faq__grid, .contact__panel { grid-template-columns: 1fr; }
  .hero__art { max-width: 520px; margin-inline: auto; }
  .faq__head { position: static; }
  .about__art::before { inset: 8% 0 -4% 10%; transform: rotate(2deg); }
  .reveal--armed.about__art { transform: translateY(40px); }

  .bento__item--ink, .bento__item--tangerine { grid-column: span 12; grid-row: auto; }
  .bento__item--haze, .bento__item--paper { grid-column: span 6; }
  .bento__item--ink .bento__icon { margin-bottom: 24px; }

  .steps { grid-template-columns: 1fr; }
  .steps::before { left: 30px; right: auto; top: 0; bottom: 0; width: 3px; height: auto;
    background: repeating-linear-gradient(180deg, var(--ink) 0 8px, transparent 8px 18px);
    transform: scaleY(0); transform-origin: top; }
  .steps.is-drawn::before { transform: scaleY(1); }
  .steps__item { padding: 4px 0 8px 88px; min-height: 70px; }

  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 560px) {
  .bento__item--haze, .bento__item--paper { grid-column: span 12; }
  .hero__actions .btn { width: 100%; }
  .contact__panel { box-shadow: 6px 6px 0 var(--ink); }
  .table th, .table td { padding: 14px 16px; }
}

/* =========================================================
   МЕНЬШЕ ДВИЖЕНИЯ
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal--armed { opacity: 1; transform: none; }
  .steps::before { transform: none; }
}