/* ============================================================
   NASTIART · Интернет-магазины для брендов (/internet-store)
   Дополняет styles.css — переменные, кнопки, .section-*, .reveal,
   шапка, футер и стили формы берутся оттуда.
   Все классы страницы имеют префикс .st-
   ============================================================ */

.page-store { background: var(--cream); }

/* шапка фиксированная — якоря не должны уезжать под неё */
.page-store section[id] { scroll-margin-top: 92px; }

/* Служебная подпись на тёмном фоне (аналог .section-tag, но белее) */
.st-eyebrow {
  display: inline-block; color: var(--accent); font-weight: 700; font-size: 12.5px;
  letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 20px;
}
.st-accent { color: var(--accent); }

/* Пояснение под блоком */
.st-note {
  margin-top: clamp(28px, 4vw, 44px); color: var(--muted);
  font-size: clamp(14px, 1.6vw, 16px); max-width: 720px;
}

/* ─────────── 1. ПЕРВЫЙ ЭКРАН ─────────── */
.st-hero-sec { padding-top: 96px; padding-bottom: clamp(40px, 5vw, 70px); }

.st-hero {
  position: relative; overflow: hidden;
  background: var(--black); color: #fff;
  border-radius: 36px;
  padding: clamp(40px, 5.5vw, 84px);
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.st-hero__glow {
  position: absolute; right: -12%; top: -30%; width: 70%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255,90,0,.30) 0%, rgba(255,90,0,0) 62%);
  pointer-events: none;
}
.st-hero__text { position: relative; z-index: 1; }
.st-hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(32px, 4.6vw, 66px); line-height: 1.03; letter-spacing: -0.025em;
}
.st-hero__lead {
  margin-top: clamp(20px, 2.4vw, 28px); max-width: 560px;
  font-size: clamp(16px, 1.5vw, 19px); color: rgba(255,255,255,.78); line-height: 1.55;
}
.st-hero__sub {
  margin-top: 14px; max-width: 540px;
  font-size: clamp(14px, 1.2vw, 16px); color: rgba(255,255,255,.5);
}
.st-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(28px, 3vw, 38px); }

/* мягкое свечение основной CTA */
.st-cta-glow { position: relative; box-shadow: 0 10px 40px rgba(255,90,0,.42); }
.st-cta-glow::after {
  content: ''; position: absolute; inset: -14px; border-radius: 100px; z-index: -1;
  background: radial-gradient(closest-side, rgba(255,90,0,.42), rgba(255,90,0,0) 75%);
  animation: st-pulse 4.5s ease-in-out infinite;
}
@keyframes st-pulse { 0%,100% { opacity: .55; } 50% { opacity: 1; } }

.st-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: clamp(26px, 3vw, 36px); }
.st-chips li {
  border: 1px solid var(--line-dark); border-radius: 100px;
  padding: 9px 18px; font-size: 13.5px; font-weight: 600; color: rgba(255,255,255,.8);
}

/* ── Интерфейсный мокап ── */
.st-hero__mock { position: relative; z-index: 1; min-height: 340px; }

.st-mock-browser {
  background: #17151300; border: 1px solid var(--line-dark); border-radius: 18px;
  overflow: hidden; box-shadow: 0 30px 70px rgba(0,0,0,.5);
  background: #141210;
}
.st-mock-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 11px 14px; background: rgba(255,255,255,.06); border-bottom: 1px solid var(--line-dark);
}
.st-mock-bar span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.22); }
.st-mock-url {
  margin-left: 12px; font-style: normal; font-size: 11px; letter-spacing: .04em;
  color: rgba(255,255,255,.4); background: rgba(255,255,255,.06);
  padding: 4px 12px; border-radius: 100px;
}
.st-mock-screen { background: #FBF9F6; padding: 14px; display: grid; gap: 12px; }
.st-mock-nav { display: flex; align-items: center; gap: 12px; }
.st-mock-nav b { font-family: var(--font-display); font-size: 12px; letter-spacing: .1em; color: #17150F; }
.st-mock-nav em { height: 6px; width: 30px; border-radius: 3px; background: rgba(14,13,12,.14); }
.st-mock-nav u { margin-left: auto; width: 18px; height: 18px; border-radius: 6px; background: var(--accent); }
.st-mock-banner {
  display: grid; grid-template-columns: 1fr 90px; gap: 12px; align-items: center;
  background: linear-gradient(120deg, #F1EAE1, #E7DDD1); border-radius: 12px; padding: 16px;
}
.st-mock-banner-txt { display: grid; gap: 7px; }
.st-mock-banner-txt i { height: 9px; width: 78%; border-radius: 4px; background: rgba(14,13,12,.35); }
.st-mock-banner-txt s { height: 7px; width: 52%; border-radius: 4px; background: rgba(14,13,12,.18); }
.st-mock-banner-obj { height: 58px; border-radius: 10px; background: var(--grad-warm); opacity: .85; }
.st-mock-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.st-mock-card { display: grid; gap: 6px; }
.st-mock-card i { height: 6px; width: 80%; border-radius: 3px; background: rgba(14,13,12,.28); }
.st-mock-card s { height: 5px; width: 45%; border-radius: 3px; background: rgba(14,13,12,.15); }
.st-mock-ph { height: 54px; border-radius: 9px; background: linear-gradient(160deg, #E8E1D8, #D9CFC2); }
.st-mock-ph--2 { background: linear-gradient(160deg, #EFE3D6, #DFC9B2); }
.st-mock-ph--3 { background: linear-gradient(160deg, #E3E4E0, #CBCFC8); }
.st-mock-ph--4 { background: linear-gradient(160deg, #F0DED4, #DDBCA8); }
.st-mock-ph--tall { height: 96px; }

.st-mock-phone {
  position: absolute; left: -22px; bottom: -34px; width: 148px;
  background: #141210; border: 1px solid var(--line-dark); border-radius: 20px;
  padding: 8px; box-shadow: 0 26px 56px rgba(0,0,0,.55);
}
.st-mock-phone-screen { background: #FBF9F6; border-radius: 14px; padding: 10px; display: grid; gap: 7px; }
.st-mock-phone-top { display: flex; align-items: center; gap: 6px; }
.st-mock-phone-top i { height: 6px; width: 34px; border-radius: 3px; background: rgba(14,13,12,.3); }
.st-mock-phone-top u { margin-left: auto; width: 12px; height: 12px; border-radius: 4px; background: var(--accent); }
.st-mock-line { height: 6px; border-radius: 3px; background: rgba(14,13,12,.26); width: 72%; }
.st-mock-line--sm { width: 42%; background: rgba(14,13,12,.14); }
.st-mock-btn {
  margin-top: 2px; background: var(--accent); color: #fff; border-radius: 100px;
  font-size: 9px; font-weight: 700; text-align: center; padding: 7px 0;
}

.st-mock-order {
  position: absolute; right: -14px; top: -26px;
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.96); color: var(--black);
  border-radius: 14px; padding: 12px 16px;
  box-shadow: 0 20px 44px rgba(0,0,0,.42);
}
.st-mock-order-dot { width: 9px; height: 9px; border-radius: 50%; background: #35c46a; flex-shrink: 0; }
.st-mock-order b { display: block; font-size: 12.5px; }
.st-mock-order span { font-size: 11px; color: var(--muted); }

/* мягкое парение мокапов */
.st-float { animation: st-float 7s ease-in-out infinite; }
.st-float--slow { animation-duration: 9s; }
.st-float--rev { animation-duration: 8s; animation-direction: alternate-reverse; }
@keyframes st-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ─────────── 2. ПРОБЛЕМЫ ─────────── */
.st-problems {
  background: var(--graphite); color: #fff;
  border-radius: 36px; max-width: none;
  margin: 0 clamp(16px, 2.5vw, 40px);
  padding: clamp(52px, 7vw, 110px) clamp(24px, 4vw, 70px);
}
.st-problems .section-title { color: #fff; }
.st-problems .section-head { max-width: 860px; }

.st-prob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 22px); }
.st-prob {
  border: 1px solid var(--line-dark); border-radius: 24px;
  padding: clamp(24px, 2.6vw, 34px);
  background: rgba(255,255,255,.03);
  transition: background .3s, border-color .3s, transform .3s;
}
.st-prob:hover { background: rgba(255,255,255,.06); border-color: rgba(255,90,0,.45); transform: translateY(-3px); }
.st-prob__num {
  display: block; font-family: var(--font-display); font-size: 13px;
  color: var(--accent); letter-spacing: .08em; margin-bottom: 18px;
}
.st-prob h3 { font-family: var(--font-display); font-size: clamp(17px, 1.6vw, 21px); font-weight: 700; line-height: 1.2; }
.st-prob p { margin-top: 12px; color: rgba(255,255,255,.6); font-size: 15px; line-height: 1.55; }

/* ─────────── 3. РЕШЕНИЕ (светлая секция) ─────────── */
.st-compare { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(16px, 2vw, 26px); align-items: start; }
.st-col {
  border: 1px solid var(--line); border-radius: 28px;
  padding: clamp(28px, 3.2vw, 44px); background: #fff;
}
.st-col__tag {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 24px;
}
.st-col__list { list-style: none; display: grid; gap: 14px; }
.st-col__list li {
  position: relative; padding-left: 26px; font-size: clamp(15px, 1.5vw, 17px); line-height: 1.5;
  color: rgba(14,13,12,.72);
}
.st-col__list li::before {
  content: ''; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border-radius: 50%; background: rgba(14,13,12,.2);
}
.st-col--own { background: var(--black); color: #fff; border-color: transparent; box-shadow: 0 24px 60px rgba(14,13,12,.22); }
.st-col--own .st-col__tag { color: var(--accent); }
.st-col--own .st-col__list li { color: rgba(255,255,255,.86); font-weight: 500; }
.st-col--own .st-col__list li::before { background: var(--accent); }
.st-col__btn { margin-top: 30px; }

/* ─────────── 4. СОСТАВ УСЛУГИ ─────────── */
.st-mod-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(14px, 1.6vw, 22px); }
.st-mod {
  grid-column: span 3;
  border: 1px solid var(--line); border-radius: 26px; background: #fff;
  padding: clamp(26px, 3vw, 40px);
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.st-mod:nth-child(n+4) { grid-column: span 3; }
.st-mod--wide { grid-column: span 6; }
.st-mod:hover { border-color: rgba(255,90,0,.5); transform: translateY(-3px); box-shadow: 0 18px 40px rgba(14,13,12,.08); }
.st-mod__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-family: var(--font-display); font-size: 13px; font-weight: 700;
  margin-bottom: 20px;
}
.st-mod h3 { font-family: var(--font-display); font-size: clamp(20px, 2vw, 27px); font-weight: 800; letter-spacing: -.01em; }
.st-mod ul { list-style: none; margin-top: 20px; display: grid; gap: 10px; }
.st-mod ul li {
  position: relative; padding-left: 22px; color: rgba(14,13,12,.66); font-size: 15.5px;
}
.st-mod ul li::before {
  content: ''; position: absolute; left: 0; top: .58em; width: 7px; height: 2px; border-radius: 2px;
  background: var(--accent);
}
.st-mod__cols { grid-template-columns: repeat(3, 1fr); }

/* ─────────── 5. УПАКОВКА БРЕНДА ─────────── */
.st-brand {
  background: var(--black); color: #fff;
  border-radius: 36px; max-width: none;
  margin: 0 clamp(16px, 2.5vw, 40px);
  padding: clamp(52px, 7vw, 110px) clamp(24px, 4vw, 70px);
}
.st-brand .section-title { color: #fff; }
.st-brand .section-head { max-width: 860px; }

.st-brand-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: clamp(16px, 2vw, 24px); align-items: start; }
.st-bcard {
  border: 1px solid var(--line-dark); border-radius: 28px;
  padding: clamp(26px, 3vw, 40px); background: rgba(255,255,255,.03);
  transition: background .3s, border-color .3s;
}
.st-bcard:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.24); }
.st-bcard h3 { font-family: var(--font-display); font-size: clamp(20px, 2vw, 28px); font-weight: 800; }
.st-bcard p { margin-top: 14px; color: rgba(255,255,255,.66); font-size: 15.5px; line-height: 1.55; }
.st-bcard ul { list-style: none; margin-top: 22px; display: grid; gap: 10px; }
.st-bcard ul li { position: relative; padding-left: 22px; color: rgba(255,255,255,.72); font-size: 15px; }
.st-bcard ul li::before {
  content: ''; position: absolute; left: 0; top: .58em; width: 7px; height: 2px; border-radius: 2px; background: var(--accent);
}
.st-bcard .btn { margin-top: 28px; }

.st-bcard--hero {
  background: linear-gradient(150deg, rgba(255,90,0,.16), rgba(255,90,0,.03) 60%);
  border-color: rgba(255,90,0,.4);
}
.st-bcard--hero:hover { border-color: rgba(255,90,0,.7); }
.st-bcard__tag {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(255,90,0,.45); border-radius: 100px; padding: 6px 14px; margin-bottom: 20px;
}

/* ─────────── 6. ДЕМО-КОНЦЕПЦИИ ─────────── */
.st-demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 26px); }
.st-demo {
  position: relative; border-radius: 28px; overflow: hidden;
  border: 1px solid var(--line); background: #fff;
  display: flex; flex-direction: column;
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
}
.st-demo:hover { transform: translateY(-4px); box-shadow: 0 26px 60px rgba(14,13,12,.14); }
.st-demo__badge {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  background: rgba(14,13,12,.82); color: #fff; border-radius: 100px; padding: 7px 14px;
}
.st-demo__visual {
  position: relative; height: 300px; overflow: hidden;
  padding: 54px 22px 0;
  background: linear-gradient(160deg, #EFE9E1, #E2D9CD);
}
.st-demo--cosm .st-demo__visual { background: linear-gradient(160deg, #F5F1EC, #E6DCD3); }
.st-demo--fashion .st-demo__visual { background: linear-gradient(160deg, #E9E7E4, #CFCAC4); }
.st-demo--home .st-demo__visual { background: linear-gradient(160deg, #F2E7DA, #DEC9B2); }

.st-dm-desk {
  border-radius: 12px; overflow: hidden; background: #fff;
  box-shadow: 0 16px 36px rgba(14,13,12,.18);
  transition: transform .5s cubic-bezier(.2,.7,.3,1);
}
.st-demo:hover .st-dm-desk { transform: translateY(-6px) scale(1.02); }
.st-dm-desk .st-mock-bar { background: #F2EEE9; border-bottom-color: rgba(14,13,12,.08); }
.st-dm-desk .st-mock-bar span { background: rgba(14,13,12,.16); }
.st-dm-screen { padding: 12px; display: grid; gap: 10px; }
.st-dm-nav { display: flex; align-items: center; gap: 10px; }
.st-dm-nav b { font-family: var(--font-display); font-size: 11px; letter-spacing: .14em; }
.st-dm-nav em { height: 5px; width: 26px; border-radius: 3px; background: rgba(14,13,12,.14); }
.st-dm-hero { height: 74px; border-radius: 9px; background: linear-gradient(120deg, #E4DAD0, #CBBCAA); }
.st-demo--fashion .st-dm-hero { background: linear-gradient(120deg, #DCD8D3, #A9A29B); }
.st-demo--home .st-dm-hero { background: linear-gradient(120deg, #EBD9C3, #C9A883); }
.st-dm-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.st-dm-row i { height: 40px; border-radius: 7px; background: rgba(14,13,12,.1); }

.st-dm-phone {
  position: absolute; left: 18px; bottom: 16px; width: 104px;
  background: #fff; border-radius: 14px; padding: 8px;
  box-shadow: 0 16px 34px rgba(14,13,12,.26);
  display: grid; gap: 6px;
}
.st-dm-phone i { height: 5px; width: 70%; border-radius: 3px; background: rgba(14,13,12,.24); }
.st-dm-phone s { height: 5px; width: 40%; border-radius: 3px; background: rgba(14,13,12,.12); }
.st-dm-ph { height: 74px; border-radius: 9px; background: linear-gradient(150deg, #E6DCD2, #CDBFAE); }
.st-dm-ph--sm { height: 44px; }
.st-demo--fashion .st-dm-ph { background: linear-gradient(150deg, #DEDAD5, #ADA69F); }
.st-demo--home .st-dm-ph { background: linear-gradient(150deg, #EEDCC6, #CEAD88); }

.st-dm-card {
  position: absolute; right: 16px; bottom: 22px; width: 118px;
  background: #fff; border-radius: 12px; padding: 10px;
  box-shadow: 0 16px 34px rgba(14,13,12,.22);
}
.st-dm-card b { display: block; margin-top: 8px; font-size: 11.5px; }
.st-dm-card span { font-size: 10px; color: var(--muted); }

.st-demo__body { padding: clamp(22px, 2.4vw, 30px); display: flex; flex-direction: column; flex: 1; }
.st-demo__body h3 { font-family: var(--font-display); font-size: clamp(20px, 2vw, 26px); font-weight: 800; }
.st-demo__niche { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-top: 8px; }
.st-demo__body ul { list-style: none; margin-top: 20px; display: grid; gap: 9px; }
.st-demo__body ul li { position: relative; padding-left: 20px; font-size: 15px; color: rgba(14,13,12,.66); }
.st-demo__body ul li::before {
  content: ''; position: absolute; left: 0; top: .58em; width: 6px; height: 6px; border-radius: 50%;
  background: rgba(14,13,12,.2);
}
/* margin-top:auto прижимает кнопку к низу — во всех карточках на одной линии */
.st-demo__btn.btn { margin-top: auto; align-self: flex-start; background: var(--black); color: #fff; }
.st-demo__body ul { margin-bottom: 26px; }
.st-demo__btn.btn:hover { background: var(--accent); }

/* ─────────── 7. ПОРТФОЛИО ─────────── */
.st-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(26px, 3vw, 38px); }
.st-filter {
  border: 1px solid var(--line); background: #fff; color: var(--black);
  border-radius: 100px; padding: 12px 22px; min-height: 44px; font-family: var(--font-body);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background .22s, color .22s, border-color .22s;
}
.st-filter:hover { border-color: var(--accent); color: var(--accent); }
.st-filter.is-active { background: var(--black); border-color: var(--black); color: #fff; }

.st-works { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 26px); }
.st-work {
  border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: #fff;
  display: flex; flex-direction: column;
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s, border-color .3s;
}
.st-work:hover { transform: translateY(-4px); box-shadow: 0 24px 54px rgba(14,13,12,.14); border-color: transparent; }
.st-work__media { aspect-ratio: 16 / 10; overflow: hidden; background: #E8E2DA; }
.st-work__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.st-work:hover .st-work__media img { transform: scale(1.05); }
.st-work__body { padding: clamp(20px, 2.2vw, 28px); display: flex; flex-direction: column; flex: 1; }
.st-work__body h3 { font-family: var(--font-display); font-size: clamp(18px, 1.8vw, 23px); font-weight: 800; }
.st-work__field { margin-top: 8px; font-size: 14px; color: var(--muted); }
.st-work__format { margin-top: 12px; font-size: 14.5px; color: rgba(14,13,12,.72); }
.st-work__foot {
  margin-top: auto; padding-top: 20px; display: flex; justify-content: space-between; gap: 12px;
  align-items: center; font-size: 13px; color: var(--muted);
  border-top: 1px solid var(--line);
}
.st-work__link { color: var(--accent); font-weight: 700; text-align: right; }
.st-works-empty { margin-top: 20px; color: var(--muted); }

/* ─────────── 8. ТАРИФЫ ─────────── */
.st-prices {
  background: var(--graphite); color: #fff;
  border-radius: 36px; max-width: none;
  margin: 0 clamp(16px, 2.5vw, 40px);
  padding: clamp(52px, 7vw, 110px) clamp(24px, 4vw, 70px);
}
.st-prices .section-title { color: #fff; }
.st-prices .section-head { max-width: 860px; }
.st-prices .st-note { color: rgba(255,255,255,.55); }

.st-tariffs { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); align-items: start; }
.st-tariff {
  position: relative; border: 1px solid var(--line-dark); border-radius: 28px;
  padding: clamp(26px, 3vw, 40px); background: rgba(255,255,255,.03);
  display: flex; flex-direction: column;
  transition: border-color .3s, background .3s;
}
.st-tariff:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.26); }
.st-tariff h3 { font-family: var(--font-display); font-size: clamp(19px, 1.9vw, 25px); font-weight: 800; }
.st-tariff__price {
  margin-top: 14px; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(26px, 2.8vw, 38px); letter-spacing: -.02em; color: var(--accent);
}
.st-tariff__for { margin-top: 10px; color: rgba(255,255,255,.55); font-size: 14.5px; }
.st-tariff ul { list-style: none; margin-top: 26px; display: grid; gap: 11px; }
.st-tariff ul li { position: relative; padding-left: 24px; font-size: 15px; color: rgba(255,255,255,.76); }
.st-tariff ul li::before {
  content: ''; position: absolute; left: 0; top: .42em; width: 12px; height: 6px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg); border-radius: 1px;
}
.st-tariff__btn { margin-top: auto; margin-top: 32px; }
.st-tariff--best {
  background: linear-gradient(160deg, rgba(255,90,0,.15), rgba(255,90,0,.02) 55%);
  border-color: rgba(255,90,0,.45);
  box-shadow: 0 24px 60px rgba(255,90,0,.14);
}
.st-tariff--best:hover { border-color: rgba(255,90,0,.75); background: linear-gradient(160deg, rgba(255,90,0,.2), rgba(255,90,0,.04) 55%); }
.st-tariff__badge {
  display: inline-block; margin-bottom: 18px;
  font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  background: var(--accent); color: #fff; border-radius: 100px; padding: 6px 14px;
}

/* ─────────── 9. ЭТАПЫ ─────────── */
.st-steps {
  list-style: none; counter-reset: st;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 1.6vw, 20px);
}
.st-step {
  border: 1px solid var(--line); border-radius: 24px; background: #fff;
  padding: clamp(24px, 2.6vw, 32px);
  transition: background .3s, color .3s, transform .3s, border-color .3s;
}
.st-step:hover { background: var(--black); color: #fff; transform: translateY(-3px); border-color: transparent; }
.st-step:hover p { color: rgba(255,255,255,.68); }
.st-step__num {
  display: block; font-family: var(--font-display); font-weight: 800; font-size: 13px;
  color: var(--accent); letter-spacing: .1em; margin-bottom: 16px;
}
.st-step h3 { font-family: var(--font-display); font-size: clamp(17px, 1.6vw, 20px); font-weight: 700; line-height: 1.2; }
.st-step p { margin-top: 12px; font-size: 15px; color: var(--muted); line-height: 1.5; transition: color .3s; }
/* последние три карточки центруем в остатке сетки 4×2 */
.st-step:nth-child(5) { grid-column: 1 / span 1; }

/* ─────────── 10. ОБО МНЕ ─────────── */
.st-about__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(28px, 4vw, 70px); align-items: start; }
.st-about__links { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; }
.st-about__links a {
  font-weight: 600; width: fit-content; border-bottom: 1px solid var(--line); padding-bottom: 3px;
  transition: border-color .2s, color .2s;
}
.st-about__links a:hover { color: var(--accent); border-color: var(--accent); }
.st-about__list {
  list-style: none; display: grid; gap: 0;
  border: 1px solid var(--line); border-radius: 26px; background: #fff; overflow: hidden;
}
.st-about__list li {
  padding: 18px clamp(20px, 2.4vw, 30px); font-size: 16px; color: rgba(14,13,12,.78);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px;
}
.st-about__list li:last-child { border-bottom: none; }
.st-about__list li::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0;
}

/* ─────────── 11. FAQ ─────────── */
.st-faq-list { display: grid; gap: 10px; max-width: 940px; }
.st-q {
  border: 1px solid var(--line); border-radius: 20px; background: #fff;
  transition: border-color .3s, box-shadow .3s;
}
.st-q[open] { border-color: rgba(255,90,0,.5); box-shadow: 0 14px 36px rgba(14,13,12,.07); }
.st-q summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: clamp(18px, 2vw, 26px) clamp(20px, 2.4vw, 32px);
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(16px, 1.6vw, 20px); line-height: 1.3;
  min-height: 44px;
}
.st-q summary::-webkit-details-marker { display: none; }
.st-q summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 20px; }
.st-q summary i {
  position: relative; width: 18px; height: 18px; flex-shrink: 0;
}
.st-q summary i::before, .st-q summary i::after {
  content: ''; position: absolute; left: 0; top: 8px; width: 18px; height: 2px;
  background: var(--accent); border-radius: 2px; transition: transform .3s;
}
.st-q summary i::after { transform: rotate(90deg); }
.st-q[open] summary i::after { transform: rotate(0deg); }
.st-q > p {
  padding: 0 clamp(20px, 2.4vw, 32px) clamp(20px, 2.4vw, 28px);
  color: var(--muted); font-size: clamp(15px, 1.5vw, 17px); line-height: 1.6; max-width: 760px;
}

/* ─────────── 12. ФИНАЛЬНЫЙ CTA ─────────── */
.st-cta-sec { padding-bottom: clamp(40px, 5vw, 80px); }
.st-cta {
  position: relative; overflow: hidden;
  background: var(--black); color: #fff; border-radius: 36px;
  padding: clamp(40px, 5.5vw, 90px);
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 70px);
  align-items: start;
}
.st-cta__glow {
  position: absolute; left: -10%; bottom: -45%; width: 62%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255,90,0,.28) 0%, rgba(255,90,0,0) 62%);
  pointer-events: none;
}
.st-cta__left, .st-form { position: relative; z-index: 1; }
.st-cta__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(28px, 3.6vw, 50px); line-height: 1.05; letter-spacing: -.02em;
}
.st-cta__lead { margin-top: 22px; color: rgba(255,255,255,.7); font-size: 17px; max-width: 440px; }
.st-form__note { color: rgba(255,255,255,.5); font-size: 13.5px; line-height: 1.5; }
.st-form .field.invalid input, .st-form .field.invalid select { border-color: #ff7a6b; }
.st-form input:focus-visible, .st-form select:focus-visible,
.st-form textarea:focus-visible, .st-form button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* шапка на светлой странице: тень появляется только после начала скролла */
.page-store .site-header { box-shadow: none; }
.page-store .site-header.st-shadow { box-shadow: 0 1px 0 var(--line); }

/* видимый фокус по всей странице */
.page-store a:focus-visible, .page-store button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

/* Grid-blowout: 1fr-трек не сжимается ниже min-content содержимого —
   на узких экранах карточки вылезали за сетку. min-width:0 + перенос слов. */
.st-prob-grid > *, .st-mod-grid > *, .st-brand-grid > *, .st-demo-grid > *,
.st-works > *, .st-tariffs > *, .st-steps > *, .st-compare > * { min-width: 0; }
.st-prob, .st-mod, .st-bcard, .st-tariff, .st-step, .st-work, .st-demo, .st-col { overflow-wrap: break-word; }

/* ============================================================
   АДАПТИВ
   ============================================================ */
/* В меню страницы шесть пунктов (на главной — пять): на средних ширинах
   «пилюля» наезжала на логотип и кнопку справа — ужимаем шаг и кегль. */
@media (max-width: 1340px) {
  /* убираем абсолютное центрирование «пилюли» — иначе она перекрывает логотип */
  .page-store .main-nav { position: static; transform: none; margin: 0 auto; padding: 5px; }
  .page-store .main-nav a { padding: 9px 13px; font-size: 13.5px; }
}
/* Ниже 1100px шесть пунктов уже не помещаются рядом с логотипом — сворачиваем
   в бургер раньше, чем на главной (там порог 1000px, см. styles.css).
   Стили раскрытой панели дублируем: в styles.css они лежат в @media 1000px. */
@media (max-width: 1100px) {
  .page-store .main-nav, .page-store .header-right { display: none; }
  .page-store .burger { display: flex; }
  .page-store .site-header.menu-open { background: var(--graphite); }
  .page-store .site-header.menu-open .brand { color: #fff; }
  .page-store .site-header.menu-open .brand span { color: var(--accent); }
  .page-store .site-header.menu-open .burger span { background: #fff; }
  .page-store .main-nav.open {
    display: flex; flex-direction: column; gap: 22px; position: fixed; inset: 64px 0 auto 0;
    background: var(--graphite); padding: 28px var(--pad-x) 36px; z-index: 99;
    left: 0; transform: none; border: none; border-radius: 0; margin: 0;
    box-shadow: 0 24px 44px rgba(0,0,0,.3);
  }
  /* padding — чтобы тап-цель была не меньше 44px */
  .page-store .main-nav.open a { color: #fff; font-size: 20px; font-family: var(--font-display); padding: 6px 0; }
}

@media (max-width: 1200px) {
  .st-prob-grid { grid-template-columns: repeat(2, 1fr); }
  .st-steps { grid-template-columns: repeat(3, 1fr); }
  .st-step:nth-child(5) { grid-column: auto; }
  .st-works { grid-template-columns: repeat(2, 1fr); }
  .st-brand-grid { grid-template-columns: 1fr 1fr; }
  .st-bcard--hero { grid-column: span 2; }
}

@media (max-width: 1024px) {
  .st-hero { grid-template-columns: 1fr; }
  .st-hero__mock { order: 2; margin: 20px 26px 26px; min-height: 0; }
  .st-mock-phone { left: -12px; bottom: -22px; width: 122px; }
  .st-mock-order { right: -6px; top: -18px; }
  .st-demo-grid { grid-template-columns: 1fr; }
  .st-demo__visual { height: 320px; }
  .st-tariffs { grid-template-columns: 1fr; }
  .st-tariff--best { order: -1; }
}

@media (max-width: 900px) {
  .st-compare { grid-template-columns: 1fr; }
  .st-mod-grid { grid-template-columns: 1fr; }
  /* :nth-child выше по специфичности — сбрасываем span той же селекторной силой */
  .st-mod, .st-mod--wide, .st-mod:nth-child(n+4) { grid-column: auto; }
  .st-mod__cols { grid-template-columns: 1fr 1fr; }
  .st-about__grid { grid-template-columns: 1fr; }
  .st-cta { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .st-hero-sec { padding-top: 84px; }
  .st-hero { border-radius: 28px; }
  .st-problems, .st-brand, .st-prices { border-radius: 28px; margin: 0 14px; }
  .st-cta { border-radius: 28px; }
  .st-prob-grid { grid-template-columns: 1fr; }
  .st-steps { grid-template-columns: 1fr 1fr; }
  .st-works { grid-template-columns: 1fr; }
  .st-brand-grid { grid-template-columns: 1fr; }
  .st-bcard--hero { grid-column: auto; }
  .st-hero__actions .btn { flex: 1 1 100%; }
  .st-filters { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .st-filter { flex-shrink: 0; }
}

@media (max-width: 520px) {
  /* .btn — nowrap: на узких экранах «Рассчитать стоимость» не влезала */
  .st-hero__actions .btn {
    padding-left: 14px; padding-right: 14px; font-size: 13.5px;
    white-space: normal; text-align: center;
  }
  /* длинные слова в крупных заголовках («Маркетплейс…») на 320px */
  .page-store .section-title, .st-hero__title, .st-cta__title { overflow-wrap: break-word; }
  .page-store .section-title { font-size: clamp(25px, 7.6vw, 30px); }
  .st-hero__mock { margin: 16px 0 8px; }
  .st-mock-grid { grid-template-columns: repeat(2, 1fr); }
  .st-mock-phone { display: none; }
  .st-mock-order { right: 0; top: -16px; padding: 10px 13px; }
  .st-steps { grid-template-columns: 1fr; }
  .st-mod__cols { grid-template-columns: 1fr; }
  .st-demo__visual { height: 260px; padding: 48px 16px 0; }
  .st-dm-phone { width: 88px; }
  .st-dm-card { width: 100px; }
  .st-work__foot { flex-direction: column; align-items: flex-start; gap: 6px; }
  .st-work__link { text-align: left; }
}

/* ─────────── СДЕРЖАННОСТЬ АНИМАЦИИ ─────────── */
@media (prefers-reduced-motion: reduce) {
  .st-float, .st-cta-glow::after { animation: none; }
  .st-demo, .st-work, .st-step, .st-prob, .st-mod { transition: none; }
  .st-demo:hover, .st-work:hover, .st-step:hover, .st-prob:hover, .st-mod:hover { transform: none; }
  .st-work:hover .st-work__media img, .st-demo:hover .st-dm-desk { transform: none; }
}