/* =========================================================
   AM Mastering — one-page site
   Black & white, wide geometric type, 45° slants from the logo
   ========================================================= */

:root {
  --bg: #000;
  --bg-alt: #070707;
  --fg: #fff;
  --muted: #a8a8a8;        /* ≈ 9:1 on black */
  --line: #262626;
  --line-strong: #3a3a3a;
  --card: #0c0c0c;
  --radius: 18px;
  --radius-sm: 10px;
  --font-head: "Unbounded", "Arial Black", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --container: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-y: clamp(80px, 11vw, 160px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.12; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.nowrap { white-space: nowrap; }

:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: var(--radius-sm);
  font-weight: 700; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, .78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 34px; height: auto; }
.brand-word { width: 150px; height: auto; }

.nav { margin-left: auto; }
.nav ul { display: flex; align-items: center; gap: 4px; }
.nav a {
  display: block; padding: 8px 12px; border-radius: 999px;
  font-size: 14px; font-weight: 600; text-decoration: none; color: var(--muted);
  transition: color .2s, background-color .2s;
}
.nav a:hover { color: var(--fg); }
.nav a.nav-cta { color: var(--bg); background: var(--fg); margin-left: 8px; padding: 8px 18px; }
.nav a.nav-cta:hover { background: #dcdcdc; }

.header-tools { display: flex; align-items: center; gap: 10px; }

/* segmented toggles (language, currency, A/B) */
.lang-toggle, .currency, .ab-switch {
  display: inline-flex; padding: 3px; border: 1px solid var(--line-strong); border-radius: 999px; gap: 2px;
}
.lang-btn, .cur-btn, .ab-ver {
  border: 0; background: transparent; cursor: pointer;
  padding: 6px 12px; border-radius: 999px;
  font-family: var(--font-head); font-size: 11px; font-weight: 600; letter-spacing: .08em;
  color: var(--muted); transition: background-color .25s var(--ease), color .25s;
}
.lang-btn:hover, .cur-btn:hover, .ab-ver:hover { color: var(--fg); }
.lang-btn[aria-pressed="true"], .cur-btn[aria-pressed="true"], .ab-ver[aria-pressed="true"] { background: var(--fg); color: var(--bg); }

.menu-btn {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: 12px;
  background: transparent; cursor: pointer; position: relative;
}
.menu-btn span {
  position: absolute; left: 12px; right: 12px; height: 2px; background: var(--fg); border-radius: 2px;
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.menu-btn span:first-child { top: 16px; }
.menu-btn span:last-child { top: 25px; }
.menu-btn[aria-expanded="true"] span:first-child { top: 20px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 14px 28px; border-radius: 14px;
  font-family: var(--font-head); font-weight: 600; font-size: 14px; letter-spacing: .02em;
  text-decoration: none; cursor: pointer; border: 1px solid var(--fg);
  transition: transform .25s var(--ease), background-color .25s, color .25s;
}
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { background: #dcdcdc; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--fg); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 6vw, 80px); overflow: hidden; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 28px; }
.hero-title { font-size: clamp(32px, 4.5vw, 64px); line-height: 1.06; font-weight: 700; letter-spacing: -0.02em; text-wrap: balance; }
html[lang="ru"] .hero-title { font-size: clamp(30px, 4.2vw, 58px); }
.hero-sub { margin-top: 28px; max-width: 580px; font-size: clamp(16px, 1.4vw, 19px); color: var(--muted); }
.hero-cta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-logo { justify-self: end; width: min(100%, 400px); }
.hero-logo img { width: 100%; }

/* big background slabs: rounded parallelograms at 45°, like the logo */
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.slab {
  position: absolute; display: block; border: 1px solid #1c1c1c; border-radius: 40px;
  transform: skewX(-45deg);
}
.slab-1 { width: 60vw; height: 46%; top: -12%; right: -18vw; }
.slab-2 { width: 46vw; height: 40%; bottom: 8%; left: -24vw; }
.slab-3 { width: 22vw; height: 18%; top: 54%; right: 6vw; border-color: #141414; background: #050505; }

/* waveform line */
.wave { margin-top: clamp(48px, 7vw, 96px); height: clamp(64px, 8vw, 120px); }
.wave svg { width: 100%; height: 100%; display: block; overflow: visible; }
.wave path { fill: none; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.wave-base { stroke: #3a3a3a; stroke-width: 1.25; }
.wave-glow { stroke: var(--fg); stroke-width: 1.5; stroke-dasharray: 70 1000; stroke-dashoffset: 0; opacity: .9; }

.facts {
  margin-top: clamp(40px, 6vw, 72px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.facts li { padding: 24px 20px 0 0; display: flex; flex-direction: column; gap: 4px; }
.facts li + li { padding-left: 20px; border-left: 1px solid var(--line); }
.facts strong { font-family: var(--font-head); font-weight: 600; font-size: clamp(15px, 1.5vw, 20px); }
.facts span { color: var(--muted); font-size: 14px; }

/* ---------- Sections ---------- */
.section { padding: var(--section-y) 0; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid #141414; border-bottom: 1px solid #141414; }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head-row { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.section-head-row > div { max-width: 760px; }
.section-head h2, .order-intro h2 { font-size: clamp(30px, 4.2vw, 56px); }
.kicker {
  display: flex; align-items: center; gap: 14px; margin-bottom: 20px;
  font-family: var(--font-head); font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.slant { display: inline-block; width: 26px; height: 10px; background: var(--fg); border-radius: 3px; transform: skewX(-45deg); }
.lead { margin-top: 20px; font-size: clamp(16px, 1.3vw, 18px); color: var(--muted); max-width: 640px; }

/* cards */
.cards { display: grid; gap: 16px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative; padding: 32px 28px 36px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); overflow: hidden;
  transition: border-color .3s, transform .4s var(--ease);
}
.card::after { /* diagonal corner cut echoing the logo */
  content: ""; position: absolute; right: -30px; top: -30px; width: 90px; height: 50px;
  background: #161616; border-radius: 12px; transform: skewX(-45deg);
  transition: background-color .3s, transform .4s var(--ease);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.card:hover::after { background: var(--fg); transform: skewX(-45deg) translate(-6px, 6px); }
.card-num { display: block; font-family: var(--font-head); font-size: 12px; color: var(--muted); letter-spacing: .1em; margin-bottom: 48px; }
.card h3 { font-size: 19px; margin-bottom: 14px; hyphens: auto; }
.card p { color: var(--muted); font-size: 15px; }

.note-strip {
  margin-top: 24px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 18px 22px; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--fg); font-size: 15px;
}
.badge {
  display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px;
  background: var(--fg); color: var(--bg);
  font-family: var(--font-head); font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
}
.badge-outline { background: transparent; color: var(--muted); border: 1px dashed var(--line-strong); }

/* ---------- Prices ---------- */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.price-block { padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.price-block-wide { grid-column: 1 / -1; }
.price-block h3 { font-size: 20px; margin-bottom: 20px; }
.price-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.price-list li:last-child { border-bottom: 0; }
.price-list li > span:first-child { color: var(--muted); }
.price { font-family: var(--font-head); font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.price-list .price { font-size: 18px; }
.price-free { font-family: var(--font-head); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; white-space: nowrap; }
.price.is-switching { animation: priceFlip .45s var(--ease); }
@keyframes priceFlip { from { opacity: 0; transform: translate(-6px, 6px); } to { opacity: 1; transform: none; } }

.packages { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 16px; align-items: stretch; }
.package { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); }
.package-featured { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.package-featured .package-per { color: #444; }
.package-name { font-weight: 700; font-size: 15px; }
.package-price { margin-top: 18px; font-size: clamp(32px, 3.6vw, 46px); line-height: 1; }
.package-per { margin-top: 10px; color: var(--muted); font-size: 14px; }
.package-per .price { font-size: 14px; }
.package-features { align-self: center; display: grid; gap: 12px; padding-left: 8px; }
.package-features li, .checklist li { position: relative; padding-left: 34px; }
.package-features li::before, .checklist li::before {
  content: ""; position: absolute; left: 4px; top: .62em; width: 16px; height: 7px;
  background: var(--fg); border-radius: 2px; transform: skewX(-45deg);
}
.fine { margin-top: 20px; color: var(--muted); font-size: 14px; }

/* ---------- Portfolio / A-B players ---------- */
.players { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ab-player { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); display: flex; flex-direction: column; gap: 20px; }
.ab-head { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.ab-title { font-size: 17px; }
.ab-artist { display: block; margin-top: 6px; font-family: var(--font-body); font-weight: 500; font-size: 15px; color: var(--muted); }
.ab-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ab-play {
  width: 52px; height: 52px; flex-shrink: 0; border-radius: 50%; border: 0; background: var(--fg); cursor: pointer;
  display: grid; place-items: center; transition: transform .2s var(--ease);
}
.ab-play:hover { transform: scale(1.06); }
.icon-play { width: 0; height: 0; border-left: 14px solid var(--bg); border-top: 9px solid transparent; border-bottom: 9px solid transparent; margin-left: 4px; }
.ab-play.is-playing .icon-play { width: 14px; height: 16px; border: 0; margin: 0; border-left: 4px solid var(--bg); border-right: 4px solid var(--bg); }
.ab-switch .ab-ver { font-size: 10px; padding: 7px 12px; }
.ab-seek { width: 100%; accent-color: #fff; height: 24px; cursor: pointer; background: transparent; }
.ab-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; min-height: 1.6em; }
.ab-status { text-align: right; }

.labels { margin-top: clamp(48px, 6vw, 72px); display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.labels-title { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { padding: 10px 20px; border: 1px solid var(--line-strong); border-radius: 999px; font-family: var(--font-head); font-size: 14px; font-weight: 500; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; padding-top: 28px; border-top: 1px solid var(--line-strong); }
.step-num { display: block; font-family: var(--font-head); font-weight: 700; font-size: clamp(56px, 6vw, 88px); line-height: 1; margin-bottom: 24px; color: transparent; -webkit-text-stroke: 1.25px #fff; }
.step h3 { font-size: 18px; margin-bottom: 12px; }
.step p { color: var(--muted); font-size: 15px; }

/* ---------- Files ---------- */
.files-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.files-grid .section-head { margin-bottom: 0; }
.checklist { display: grid; gap: 0; border-top: 1px solid var(--line); }
.checklist li { padding-top: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.checklist li::before { top: calc(18px + .62em); }
.checklist strong { font-weight: 700; }
.checklist span { color: var(--muted); }

/* ---------- Terms ---------- */
.terms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.term-more { display: flex; flex-direction: column; justify-content: space-between; gap: 24px; border-style: dashed; background: transparent; }
.term-more .link-arrow { align-self: flex-start; }
.term { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.term h3 { font-size: 17px; margin-bottom: 12px; }
.term p { color: var(--muted); font-size: 15px; }
.link-arrow {
  display: inline-flex; align-items: center; gap: 14px; font-family: var(--font-head); font-weight: 600; font-size: 15px;
  text-decoration: none; padding-bottom: 6px; border-bottom: 1px solid var(--fg);
}
.link-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.link-arrow:hover::after { transform: translateX(6px); }

/* ---------- Order ---------- */
.order-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.contact-list { margin-top: 40px; border-top: 1px solid var(--line); }
.contact-list li { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-label { color: var(--muted); font-size: 14px; }
.contact-link { font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.contact-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.order-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
}
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line-strong);
  background: #000; color: var(--fg); font-size: 16px; transition: border-color .2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, #fff 50%), linear-gradient(135deg, #fff 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%; background-size: 6px 6px; background-repeat: no-repeat;
  padding-right: 44px;
}
.field input::placeholder, .field textarea::placeholder { color: #8a8a8a; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: #5a5a5a; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--fg); }
.field.is-invalid input, .field.is-invalid select { border-color: #fff; border-style: dashed; }
.field-check { flex-direction: row; align-items: center; gap: 12px; }
.field-check input { width: 22px; height: 22px; padding: 0; accent-color: #fff; flex-shrink: 0; cursor: pointer; }
.field-check label { font-size: 15px; color: var(--fg); font-weight: 500; }
.field-check a { text-underline-offset: 3px; }
.form-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form-status { font-size: 14px; color: var(--fg); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 48px; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; }
.footer-brand img { width: 72px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: center; }
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.footer-nav a:hover { color: var(--fg); }
.copyright { color: var(--muted); font-size: 13px; }

/* ---------- Motion ---------- */
.js .reveal { opacity: 0; transform: translate(-18px, 18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .hero-logo.reveal { clip-path: polygon(0 100%, 0 100%, 0 100%); transform: none; transition: clip-path 1.4s var(--ease) .15s, opacity .4s; }
.js .hero-logo.reveal.is-in { clip-path: polygon(0 100%, 0 -130%, 230% 100%); }
.js .slab { opacity: 0; transition: opacity 1.6s var(--ease), translate 1.6s var(--ease); translate: 40px -40px; }
.js body.is-loaded .slab { opacity: 1; translate: 0 0; }

@keyframes waveRun { from { stroke-dashoffset: 1070; } to { stroke-dashoffset: 0; } }
@keyframes waveDraw { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }
.js .wave-base { stroke-dasharray: 1000; animation: waveDraw 2.6s var(--ease) both .3s; }
.wave-glow { animation: waveRun 9s linear infinite; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal, .js .hero-logo.reveal { opacity: 1; transform: none; clip-path: none; }
  .js .slab { opacity: 1; translate: 0 0; }
  .wave-glow { display: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .nav a { padding: 8px 9px; font-size: 13px; }
  .brand-word { display: none; }
}

@media (max-width: 1080px) {
  .cards-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .steps { row-gap: 40px; }
  .players { grid-template-columns: 1fr 1fr; }
  .terms-grid { grid-template-columns: 1fr 1fr; }
  .packages { grid-template-columns: 1fr 1fr; }
  .package-features { grid-column: 1 / -1; padding: 8px 0 0; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .brand-word { display: block; }
  .menu-btn { display: block; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; margin: 0;
    background: #000; border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height .45s var(--ease), visibility 0s linear .45s;
  }
  .nav.is-open { max-height: calc(100vh - 72px); visibility: visible; transition: max-height .45s var(--ease); }
  .nav ul { flex-direction: column; align-items: stretch; padding: 12px var(--gutter) 28px; gap: 0; }
  .nav a { font-family: var(--font-head); font-size: 20px; padding: 14px 0; border-radius: 0; color: var(--fg); border-bottom: 1px solid var(--line); }
  .nav a.nav-cta { margin: 20px 0 0; text-align: center; border-radius: 14px; padding: 16px; font-size: 16px; border: 0; }
  .header-tools { margin-left: auto; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-logo { order: -1; justify-self: start; width: 120px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li:nth-child(3) { border-left: 0; padding-left: 0; }
  .facts li:nth-child(n+3) { padding-top: 20px; }
  .price-grid, .files-grid, .order-grid { grid-template-columns: 1fr; }
  .players { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; justify-items: start; }
  .footer-nav { justify-content: flex-start; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .brand-word { width: 118px; }
  .brand { gap: 10px; }
  .cards-4, .steps, .terms-grid, .packages { grid-template-columns: 1fr; }
  .package-features { grid-template-columns: 1fr; }
  .order-form { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 100%; }
  .section-head-row { align-items: flex-start; }
  .card-num { margin-bottom: 28px; }
  .price-list .price { font-size: 16px; }
  .slab-1 { width: 120vw; height: 30%; right: -60vw; }
  .slab-2 { width: 100vw; left: -70vw; }
  .slab-3 { display: none; }
}

@media (max-width: 380px) {
  .brand-word { display: none; }
}

/* =========================================================
   Terms pages (terms.html / terms-ru.html)
   ========================================================= */
.doc-tools { margin-left: auto; gap: 18px; }
.doc-back { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
.doc-back:hover { color: var(--fg); }
a.lang-btn { text-decoration: none; display: inline-block; }
a.lang-btn[aria-current="page"] { background: var(--fg); color: var(--bg); }
.doc { padding: clamp(48px, 7vw, 96px) 0 var(--section-y); }
.doc-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.doc-toc { position: sticky; top: 104px; }
.doc-toc ol { display: grid; gap: 2px; border-left: 1px solid var(--line); }
.doc-toc a { display: block; padding: 6px 0 6px 16px; color: var(--muted); text-decoration: none; font-size: 14px; line-height: 1.4; }
.doc-toc a:hover { color: var(--fg); }
.doc-body { max-width: 760px; }
.doc-head { margin-bottom: clamp(32px, 5vw, 64px); }
.doc-head h1 { font-size: clamp(28px, 4vw, 52px); font-weight: 700; margin-bottom: 20px; overflow-wrap: break-word; max-width: 900px; }
.doc-body > .callout:first-child { margin-top: 0; }
.doc-body h2 { font-size: clamp(19px, 2vw, 24px); margin: 56px 0 18px; padding-top: 24px; border-top: 1px solid var(--line); scroll-margin-top: 96px; }
.doc-body p, .doc-body li { color: #d4d4d4; }
.doc-body .callout + h2 { margin-top: 48px; }
.doc-body p + p { margin-top: 12px; }
.doc-body ul { margin: 12px 0 16px; display: grid; gap: 8px; }
.doc-body ul li { position: relative; padding-left: 30px; }
.doc-body ul li::before { content: ""; position: absolute; left: 2px; top: .7em; width: 13px; height: 6px; background: var(--fg); border-radius: 2px; transform: skewX(-45deg); }
.doc-body strong { color: var(--fg); }
.doc-body a { text-underline-offset: 3px; }
.doc-body hr { border: 0; height: 1px; background: var(--line); margin: 40px 0 0; }
.doc-meta { color: var(--muted) !important; font-size: 15px; }
.doc-meta + .doc-meta { margin-top: 4px !important; }
.callout { margin-top: 36px; padding: 28px 30px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--card); }
.callout-title { font-family: var(--font-head); font-weight: 600; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg) !important; margin-bottom: 8px; }
.callout ul { margin-bottom: 0; }
.ph { color: var(--fg); background: #1a1a1a; border: 1px dashed #4a4a4a; border-radius: 6px; padding: 0 5px; white-space: normal; }
.doc-end { margin-top: 56px; }

@media (max-width: 900px) {
  .doc-grid { grid-template-columns: 1fr; }
  .doc-toc { position: static; }
  .doc-toc ol { grid-template-columns: 1fr 1fr; border-left: 0; }
  .doc-toc a { padding-left: 0; }
}
@media (max-width: 600px) {
  .doc-toc ol { grid-template-columns: 1fr; }
  .doc-back { font-size: 13px; }
  .doc-page .brand-word { display: none; }
  .doc-tools { gap: 10px; }
}

/* =========================================================
   Order form states: sending / success / error
   ========================================================= */
:root { --ok: #22c55e; --ok-soft: rgba(34, 197, 94, .12); --err: #f87171; }

.order-form { position: relative; }
.btn-submit { position: relative; min-width: 210px; }
.btn-submit:disabled { cursor: default; transform: none; }
.btn-spinner, .btn-check, .btn-label-state { display: none; }
.btn-spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, .25); border-top-color: #000;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.check-svg { display: block; width: 100%; height: 100%; }
.check-svg path { fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 24; stroke-dashoffset: 0; }
.btn-check { width: 18px; height: 18px; }

/* sending */
.order-form[data-state="sending"] .btn-submit { background: #e6e6e6; border-color: #e6e6e6; }
.order-form[data-state="sending"] .btn-spinner,
.order-form[data-state="sending"] .btn-label-state,
.order-form[data-state="success"] .btn-check,
.order-form[data-state="success"] .btn-label-state,
.order-form[data-state="error"] .btn-label-state { display: inline-block; }
.order-form[data-state="sending"] .btn-label-idle,
.order-form[data-state="success"] .btn-label-idle,
.order-form[data-state="error"] .btn-label-idle { display: none; }
.order-form[data-state="sending"] .field { opacity: .55; pointer-events: none; transition: opacity .3s; }

/* success: green button + drawn checkmark */
.order-form[data-state="success"] .btn-submit {
  background: var(--ok); border-color: var(--ok); color: #000;
  animation: okPop .5s var(--ease);
}
.order-form[data-state="success"] .btn-check path { animation: checkDraw .55s var(--ease) .15s both; }
@keyframes checkDraw { from { stroke-dashoffset: 24; } to { stroke-dashoffset: 0; } }
@keyframes okPop { 0% { transform: scale(1); } 45% { transform: scale(1.04); } 100% { transform: scale(1); } }
.btn-submit { transition: background-color .4s var(--ease), border-color .4s var(--ease), color .4s, transform .25s var(--ease); }

/* success panel replaces the fields */
.order-form.is-done .field { display: none; }
.order-form.is-done .form-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.form-success[hidden] { display: none; }
.form-success {
  grid-column: 1 / -1; display: flex; gap: 22px; align-items: flex-start;
  padding: clamp(22px, 3vw, 32px); border: 1px solid var(--ok); border-radius: var(--radius);
  background: linear-gradient(135deg, var(--ok-soft), rgba(34, 197, 94, 0) 60%);
  animation: panelIn .7s var(--ease) both;
}
@keyframes panelIn { from { opacity: 0; transform: translate(-14px, 14px); } to { opacity: 1; transform: none; } }
.success-icon {
  flex-shrink: 0; width: 52px; height: 52px; padding: 13px; border-radius: 50%;
  background: var(--ok); color: #000;
}
.success-icon .check-svg path { animation: checkDraw .6s var(--ease) .35s both; }
.success-title { font-size: clamp(18px, 2vw, 22px); line-height: 1.25; outline: none; }
.success-copy p { margin-top: 10px; color: #d4d4d4; }
.success-reset {
  margin-top: 22px; background: none; border: 0; border-bottom: 1px solid var(--fg); border-radius: 0;
  color: var(--fg); cursor: pointer; padding: 0 0 6px; font-size: 14px; text-align: left; gap: 10px;
}
.success-reset:focus-visible { outline: 2px solid var(--fg); outline-offset: 4px; }

/* error: shake + red outline */
.order-form[data-state="error"] .btn-submit { box-shadow: 0 0 0 2px var(--err); }
.btn-submit.is-shaking { animation: shake .45s cubic-bezier(.36, .07, .19, .97); }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); } 20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-6px); } 40%, 60% { transform: translateX(6px); }
}
.form-status { flex: 1 1 240px; min-width: 0; }
.form-status.is-error { color: #fca5a5; padding-left: 26px; position: relative; }
.form-status.is-error::before {
  content: "!"; position: absolute; left: 0; top: .1em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--err); color: #000; font: 700 12px/18px var(--font-body); text-align: center;
}
.form-status.is-error a { color: #fff; text-underline-offset: 3px; }
.form-status-detail { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--err); border-style: solid; }
.field-check.is-invalid input { outline: 2px solid var(--err); outline-offset: 2px; }

@media (max-width: 600px) {
  .btn-submit { width: 100%; }
  .form-success { flex-direction: column; gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .btn-spinner { animation: none !important; border-color: #000; border-right-color: transparent; }
  .check-svg path { stroke-dashoffset: 0 !important; }
}