/* ============================================================
   ТД Зачин — landing styles
   Палитра: тёплое дерево, кремовый фон, янтарный акцент
   ============================================================ */

:root {
  --bg:        #f7f2ea;   /* кремовый */
  --bg-warm:   #efe6d8;
  --ink:       #1c1712;   /* почти чёрный, тёплый */
  --ink-soft:  #4b4138;
  --muted:     #8a7c6c;
  --line:      #e3d8c7;
  --accent:    #b87a3d;   /* янтарь / дерево */
  --accent-d:  #9a5f29;
  --dark:      #1c1712;
  --dark-2:    #261f17;

  --radius: 18px;
  --radius-lg: 26px;
  --maxw: 1160px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--font-sans); font-weight: 600; font-size: .98rem; line-height: 1;
  padding: 15px 26px; border-radius: 100px; border: 1px solid transparent;
  cursor: pointer; transition: transform .35s var(--ease), background .3s, box-shadow .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 10px 24px -10px rgba(184,122,61,.7);
}
.btn--primary:hover { background: var(--accent-d); transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(184,122,61,.8); }
.btn--ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--small { padding: 11px 20px; font-size: .9rem; }
.btn--block { width: 100%; padding-block: 17px; }

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

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .4s var(--ease), box-shadow .4s, backdrop-filter .4s;
}
.nav__inner { display: flex; align-items: center; gap: 24px; height: 76px; }
.nav.is-stuck {
  background: rgba(247,242,234,.82);
  backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 10px 30px -20px rgba(28,23,18,.4);
}

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand__mark {
  width: 40px; height: 40px; flex: none; border-radius: 11px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--accent), var(--accent-d));
  color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.45rem;
  box-shadow: inset 0 1px 1px rgba(255,255,255,.4), 0 6px 16px -8px rgba(184,122,61,.9);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong { font-size: 1.05rem; letter-spacing: .2px; }
.brand__text em { font-style: normal; font-size: .72rem; color: var(--muted); letter-spacing: .3px; text-transform: lowercase; }

.nav__links { display: flex; gap: 30px; }
.nav__links a { font-size: .95rem; font-weight: 500; color: var(--ink-soft); position: relative; padding: 4px 0; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }

.nav__burger { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; background: none; border: 0; cursor: pointer; }
.nav__burger span { height: 2px; width: 24px; background: var(--ink); border-radius: 2px; margin-inline: auto; transition: transform .3s var(--ease), opacity .3s; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  color: #f3ebdd; background: var(--dark); overflow: hidden;
  padding-top: 76px;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg::before {
  /* wood-tone gradient base */
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 85% -10%, #3a2c1c 0%, transparent 55%),
    radial-gradient(90% 80% at 10% 110%, #2a2015 0%, transparent 50%),
    linear-gradient(160deg, #20180f 0%, #1c1712 60%, #15110c 100%);
}
.hero__grain {
  position: absolute; inset: 0; opacity: .5; mix-blend-mode: soft-light;
  background-image: repeating-linear-gradient(
    92deg, rgba(255,220,170,.05) 0px, rgba(255,220,170,.05) 1px,
    transparent 1px, transparent 4px,
    rgba(0,0,0,.18) 4px, rgba(0,0,0,.18) 5px, transparent 5px, transparent 11px);
}
.hero__glow {
  position: absolute; width: 60vw; height: 60vw; max-width: 760px; max-height: 760px;
  right: -8%; top: 4%;
  background: radial-gradient(circle, rgba(184,122,61,.55) 0%, rgba(184,122,61,0) 62%);
  filter: blur(20px); animation: floaty 12s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0) scale(1);} 50% { transform: translateY(-26px) scale(1.05);} }

.hero__inner { position: relative; z-index: 2; padding-block: 60px; }
.hero__eyebrow {
  display: inline-block; font-size: .82rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 22px;
  padding: 7px 16px; border: 1px solid rgba(184,122,61,.4); border-radius: 100px;
  background: rgba(184,122,61,.08);
}
.hero__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(3rem, 8.5vw, 6.4rem); line-height: .98; letter-spacing: -.5px;
  margin-bottom: 26px;
}
.hero__title span { display: block; }
.hero__lead {
  font-size: clamp(1.05rem, 2.2vw, 1.32rem); color: #d8cdba; max-width: 30em;
  font-weight: 300; margin-bottom: 38px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
.hero__actions .btn--ghost { color: #f3ebdd; border-color: rgba(243,235,221,.25); }
.hero__actions .btn--ghost:hover { border-color: #f3ebdd; }

.hero__stats { display: flex; flex-wrap: wrap; gap: 44px; }
.hero__stats div { position: relative; }
.hero__stats dt { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 700; color: #fff; line-height: 1; }
.hero__stats dd { font-size: .9rem; color: var(--muted); margin-top: 6px; max-width: 12ch; }

.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  width: 26px; height: 42px; border: 2px solid rgba(243,235,221,.35); border-radius: 100px;
}
.hero__scroll span {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; border-radius: 4px;
  background: var(--accent); transform: translateX(-50%);
  animation: scrolly 1.8s var(--ease) infinite;
}
@keyframes scrolly { 0% { opacity: 0; top: 8px; } 30% { opacity: 1; } 60% { opacity: 1; top: 22px; } 100% { opacity: 0; top: 24px; } }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee { background: var(--accent); color: #fff; overflow: hidden; padding: 14px 0; }
.marquee__track {
  display: flex; align-items: center; gap: 26px; width: max-content;
  animation: marquee 32s linear infinite; will-change: transform;
}
.marquee__track span { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; white-space: nowrap; }
.marquee__track i { opacity: .55; font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.section { padding-block: clamp(72px, 11vw, 140px); }
.section__head { max-width: 720px; margin-bottom: 56px; }
.section__head--split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: end; max-width: var(--maxw); }
.section__kicker {
  font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent);
  font-weight: 700; margin-bottom: 16px;
}
.section__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.04; letter-spacing: -.4px; }
.section__sub { margin-top: 18px; font-size: 1.1rem; color: var(--ink-soft); font-weight: 300; }

.grid { display: grid; gap: 20px; }

/* ---------- cards ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.products { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-warm) 100%); }
.grid--products { grid-template-columns: repeat(3, 1fr); }

.card--product { display: flex; flex-direction: column; }
.card--product:hover { transform: translateY(-6px); box-shadow: 0 26px 50px -28px rgba(28,23,18,.4); border-color: rgba(184,122,61,.4); }
.card__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(150deg, #f3e7d6, #efe1cb); color: var(--accent-d); margin-bottom: 22px;
}
.card__icon svg { width: 28px; height: 28px; }
.card--product h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; margin-bottom: 10px; letter-spacing: -.2px; }
.card--product p { color: var(--ink-soft); font-size: .98rem; font-weight: 300; flex: 1; }
.card__tag {
  align-self: flex-start; margin-top: 18px; font-size: .76rem; font-weight: 600; letter-spacing: .04em;
  color: var(--accent-d); background: rgba(184,122,61,.12); padding: 6px 13px; border-radius: 100px;
}
.card--cta {
  background: linear-gradient(155deg, var(--dark-2), var(--dark)); color: #f3ebdd; border-color: transparent;
  display: flex; flex-direction: column; justify-content: center;
}
.card--cta h3 { font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; margin-bottom: 12px; }
.card--cta p { color: #c9bca8; font-weight: 300; margin-bottom: 20px; }
.card__link { color: var(--accent); font-weight: 600; }
.card__link:hover { color: #fff; }

/* ---------- why ---------- */
.why { background: var(--dark); color: #ece2d2; }
.why .section__kicker { color: var(--accent); }
.why .section__title { color: #fff; }
.why .section__sub { color: #c2b5a2; }
.grid--why { grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-lg); overflow: hidden; }
.feature { background: var(--dark); padding: 40px; transition: background .4s; }
.feature:hover { background: var(--dark-2); }
.feature__num { font-family: var(--font-display); font-size: 1.2rem; color: var(--accent); font-weight: 700; letter-spacing: .1em; }
.feature h3 { font-size: 1.3rem; font-weight: 600; margin: 14px 0 10px; color: #fff; }
.feature p { color: #b7aa97; font-weight: 300; font-size: .98rem; }

/* ---------- process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps::before {
  content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 14px, transparent 14px 26px);
}
.step { position: relative; padding-top: 36px; }
.step__dot {
  position: absolute; top: 0; left: 0; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 5px var(--bg), 0 0 0 6px var(--line);
}
.step__n { font-size: .8rem; font-weight: 700; color: var(--accent-d); letter-spacing: .05em; }
.step h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin: 8px 0 8px; }
.step p { color: var(--ink-soft); font-weight: 300; font-size: .96rem; }

/* ---------- about ---------- */
.about { background: linear-gradient(180deg, var(--bg-warm), var(--bg)); }
.about__inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.about__text p { color: var(--ink-soft); font-size: 1.08rem; font-weight: 300; margin-top: 18px; }
.about__text .btn { margin-top: 30px; }
.about__badges { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about__badges li {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.about__badges li:hover { transform: translateY(-4px); box-shadow: 0 22px 40px -28px rgba(28,23,18,.4); }
.about__badges strong { display: block; font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--accent-d); margin-bottom: 6px; }
.about__badges span { font-size: .9rem; color: var(--muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--bg); }
.contact__card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 40px 80px -50px rgba(28,23,18,.6); border: 1px solid var(--line);
}
.contact__left {
  background: linear-gradient(160deg, var(--dark-2), var(--dark)); color: #ece2d2; padding: clamp(34px, 5vw, 56px);
  position: relative; overflow: hidden;
}
.contact__left::after {
  content: ""; position: absolute; right: -30%; bottom: -30%; width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(184,122,61,.4), transparent 65%); filter: blur(10px);
}
.contact__left h2 { font-family: var(--font-display); font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 700; line-height: 1.05; color: #fff; position: relative; }
.contact__left > p { color: #c2b5a2; font-weight: 300; margin: 18px 0 30px; position: relative; }
.contact__list { display: grid; gap: 16px; position: relative; }
.contact__list li { display: flex; align-items: center; gap: 14px; font-size: 1rem; }
.contact__list a:hover { color: var(--accent); }
.contact__ic {
  width: 38px; height: 38px; flex: none; border-radius: 10px; display: grid; place-items: center;
  background: rgba(184,122,61,.18); color: var(--accent); font-size: 1rem;
}

.contact__form { background: #fff; padding: clamp(34px, 5vw, 56px); display: flex; flex-direction: column; gap: 18px; }
.field { position: relative; }
.field input, .field textarea {
  width: 100%; font-family: var(--font-sans); font-size: 1rem; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 16px 8px; transition: border-color .3s, box-shadow .3s; resize: vertical;
}
.field textarea { min-height: 92px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(184,122,61,.12); }
.field label {
  position: absolute; left: 16px; top: 15px; font-size: 1rem; color: var(--muted);
  pointer-events: none; transition: transform .2s var(--ease), font-size .2s, color .2s; transform-origin: left;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
  transform: translateY(-11px) scale(.78); color: var(--accent-d);
}
.field input.is-invalid, .field textarea.is-invalid { border-color: #c0492f; box-shadow: 0 0 0 4px rgba(192,73,47,.1); }
.contact__note { font-size: .78rem; color: var(--muted); text-align: center; }
.form__ok { text-align: center; font-weight: 600; color: var(--accent-d); background: rgba(184,122,61,.1); padding: 12px; border-radius: 12px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--dark); color: #b7aa97; padding-block: 50px; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 28px 40px; }
.footer__brand { display: flex; align-items: center; gap: 14px; margin-right: auto; }
.footer__brand strong { display: block; color: #fff; font-size: 1rem; }
.footer__brand span { font-size: .82rem; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__nav a { font-size: .92rem; transition: color .3s; }
.footer__nav a:hover { color: var(--accent); }
.footer__meta { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; text-align: right; width: 100%; padding-top: 24px; margin-top: 8px; border-top: 1px solid rgba(255,255,255,.08); }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .grid--products { grid-template-columns: repeat(2, 1fr); }
  .section__head--split { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; gap: 36px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .steps::before { display: none; }
  .contact__card { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__links.is-open {
    display: flex; position: absolute; inset: 76px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(247,242,234,.97); backdrop-filter: blur(12px); padding: 8px 24px 20px;
    box-shadow: 0 20px 40px -24px rgba(28,23,18,.5);
  }
  .nav__links.is-open a { padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav.is-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .grid--products, .grid--why { grid-template-columns: 1fr; }
  .grid--why { gap: 1px; }
  .hero__stats { gap: 28px; }
  .about__badges { grid-template-columns: 1fr; }
  .footer__meta { text-align: left; }
}

@media (max-width: 400px) {
  .steps { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1; }
}