/* ============================================================
 * ЧЁРНАЯ ПЯТНИЦА · Бизнес-школа Натальи Будько
 * Тёмная тема по референсу: уголь + красный, конфетти, бэллоны.
 * ============================================================ */

/* ---------- токены ---------- */
:root {
  --bg: #0b0b0e;
  --bg-soft: #121215;
  --card: #17171c;
  --card-hi: #1d1d23;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f6f5f3;
  --muted: #9d9ca6;
  --red: #e62e2e;
  --red-strong: #cf1d1d;
  --red-deep: #a31212;
  --turq: #2fbecd;            /* фирменный бирюзовый — фламинго лого */
  --radius: 18px;
  --disp: 'Oswald', 'Arial Narrow', sans-serif;
  --body: 'Manrope', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--disp); font-weight: 600; text-transform: uppercase; line-height: 1.05; margin: 0; }
p { margin: 0; }
.hidden { display: none !important; }

::selection { background: var(--red); color: #fff; }

/* ---------- контейнер ---------- */
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }

section { position: relative; padding: 72px 0; }
.sec-head { margin-bottom: 36px; }
.sec-kicker {
  display: inline-block; color: var(--red); font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; font-size: 12px; margin-bottom: 10px;
}
.sec-head h2 { font-size: clamp(30px, 4.4vw, 46px); }
.sec-head .sec-sub { color: var(--muted); max-width: 640px; margin-top: 12px; }

/* ---------- кнопки ---------- */
.btn {
  border: 0; cursor: pointer; font-family: var(--body); font-weight: 700; font-size: 15px;
  padding: 13px 22px; border-radius: 999px; color: #fff; transition: 0.18s ease;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
}
.btn.red { background: linear-gradient(180deg, var(--red), var(--red-deep)); box-shadow: 0 10px 26px -12px rgba(230, 46, 46, 0.75); }
.btn.red:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(230, 46, 46, 0.9); }
.btn.dark { background: #fff; color: #101013; }
.btn.dark .ico { color: var(--red-strong); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); cursor: not-allowed; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.big { padding: 16px 30px; font-size: 16px; }

/* ---------- хедер ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 11, 14, 0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site .bar { display: flex; align-items: center; gap: 28px; padding: 12px 0; }

.logo-plate {
  background: #fff; border-radius: 14px; padding: 8px 14px; display: flex; align-items: center;
  flex-shrink: 0; box-shadow: 0 6px 24px -10px rgba(47, 190, 205, 0.5);
}
.logo-plate img { display: block; height: 42px; width: auto; }

nav#nav { display: flex; gap: 4px; margin-left: auto; }
nav#nav a {
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14.5px;
  padding: 9px 14px; border-radius: 10px; transition: 0.15s;
}
nav#nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
nav#nav a.hot { color: #fff; background: var(--red-strong); }

.header-cart {
  color: #fff; text-decoration: none; font-weight: 700; font-size: 14px;
  background: var(--red-strong); border-radius: 999px; padding: 10px 16px;
  white-space: nowrap; transition: 0.15s;
}
.header-cart:hover { background: var(--red-deep); }
#header-cart-badge {
  display: inline-block; min-width: 22px; text-align: center; background: #fff;
  color: var(--red-deep); border-radius: 999px; padding: 1px 6px; margin-left: 6px; font-size: 13px;
}

#burger { display: none; margin-left: auto; background: transparent; border: 1px solid var(--line); color: #fff; border-radius: 10px; padding: 10px 14px; font-size: 18px; cursor: pointer; }

/* ---------- hero ---------- */
.hero {
  min-height: 88vh; display: flex; align-items: center; padding: 80px 0 96px;
  background:
    radial-gradient(900px 480px at 12% 115%, rgba(230, 46, 46, 0.22), transparent 62%),
    radial-gradient(700px 420px at 88% -10%, rgba(230, 46, 46, 0.16), transparent 60%),
    radial-gradient(1100px 700px at 50% 40%, #17171c 0%, var(--bg) 70%);
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; }
.hero-kicker {
  color: var(--muted); letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; font-size: 13px;
  margin-bottom: clamp(28px, 4vw, 60px); /* отступ сверху, чтобы подпись не пересекалась с «Sale» */
}
.hero h1 { font-size: clamp(56px, 11vw, 128px); line-height: 0.98; letter-spacing: 0.01em; }
.hero h1 .row { display: block; position: relative; }
.hero h1 .row + .row { margin-top: -0.02em; }
.hero h1 .word { display: inline-block; position: relative; }
.hero h1 .outline {
  color: transparent; -webkit-text-stroke: 2px rgba(246, 245, 243, 0.9); paint-order: stroke;
}
.hero h1 .sale-row {
  font-family: Georgia, 'Times New Roman', serif; font-style: italic; text-transform: none;
  font-size: 0.52em; color: var(--red);
  text-shadow: 0 6px 30px rgba(230, 46, 46, 0.45); display: inline-block; transform: rotate(-3deg);
  letter-spacing: 0.02em;
  position: absolute; right: -0.08em; top: -0.85em; z-index: 2; /* над буквой «Я» в «Чёрной» */
}
.hero-photo {
  position: absolute; right: 11%; bottom: 0; z-index: 1;
  height: min(92%, 940px); width: auto;
  pointer-events: none; user-select: none;
}
.hero-lead { color: var(--muted); max-width: 560px; margin: 26px 0 30px; font-size: 17px; }
.hero-lead b { color: #fff; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

/* таймер */
.timer { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.timer-label { color: var(--muted); font-weight: 700; text-transform: uppercase; font-size: 12.5px; letter-spacing: 0.12em; max-width: 120px; }
.timer-boxes { display: flex; gap: 8px; }
.timer-box {
  min-width: 64px; background: rgba(255, 255, 255, 0.045); border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 6px 8px; text-align: center;
}
.timer-box b { font-family: var(--disp); font-size: 26px; display: block; color: #fff; }
.timer-box span { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* конфетти и бэллоны */
#confetti { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
#confetti span {
  position: absolute; top: -3vh; background: #fff; border-radius: 2px;
  animation: fall linear infinite; filter: drop-shadow(0 2px 3px rgba(0,0,0,0.5));
}
#confetti span:nth-child(3n) { background: var(--red); }
#confetti span:nth-child(4n) { background: rgba(255, 255, 255, 0.35); }
@keyframes fall {
  0% { transform: translateY(-4vh) rotate(0deg) translateX(0); }
  50% { transform: translateY(52vh) rotate(200deg) translateX(3vw); }
  100% { transform: translateY(110vh) rotate(420deg) translateX(-2vw); }
}
.balloon {
  position: absolute; border-radius: 50% 50% 48% 52% / 55% 55% 45% 45%;
  pointer-events: none; filter: blur(0.4px);
}
.balloon::after {
  content: ''; position: absolute; left: 50%; bottom: -34px; width: 1px; height: 34px;
  background: linear-gradient(rgba(255,255,255,0.5), transparent);
}
.balloon.b1 { width: 110px; height: 140px; right: 7%; top: 12%; background: radial-gradient(circle at 32% 28%, #ff6b63, var(--red) 55%, var(--red-deep)); animation: float 7s ease-in-out infinite; box-shadow: 0 30px 60px -20px rgba(230,46,46,0.5); }
.balloon.b2 { width: 84px; height: 108px; left: 4%; top: 56%; background: radial-gradient(circle at 32% 28%, #4a4a52, #1c1c22 60%, #050507); animation: float 9s ease-in-out infinite 1.2s; opacity: 0.9; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-26px) rotate(3deg); } }

/* ---------- плитки категорий ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.cat-tile {
  position: relative; display: block; text-decoration: none; color: #fff;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 18px 56px; transition: 0.18s ease; overflow: hidden;
}
.cat-tile::after {
  content: '→'; position: absolute; right: 16px; bottom: 12px; font-size: 20px; color: var(--muted); transition: 0.18s;
}
.cat-tile:hover { transform: translateY(-4px); border-color: rgba(230, 46, 46, 0.65); background: var(--card-hi); }
.cat-tile:hover::after { color: var(--red); transform: translateX(4px); }
.cat-tile .num { font-family: var(--disp); color: rgba(255,255,255,0.22); font-size: 15px; display: block; margin-bottom: 26px; }
.cat-tile h3 { font-size: 17px; font-weight: 600; }
.cat-tile p { color: var(--muted); font-size: 13px; margin-top: 6px; }
.cat-tile .tag {
  position: absolute; left: 18px; bottom: 14px; font-size: 11.5px; font-weight: 800;
  color: var(--red); letter-spacing: 0.06em; text-transform: uppercase;
}

/* ---------- карточки каталога ---------- */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.card {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column;
  transition: 0.2s ease;
}
.card:hover { transform: translateY(-4px); background: var(--card-hi); }
.card.selected { border-color: var(--red); box-shadow: 0 0 0 1px var(--red), 0 18px 44px -22px rgba(230, 46, 46, 0.5); }
.card h3 { font-size: 21px; letter-spacing: 0.01em; }
.card-top { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.chip {
  font-size: 11.5px; font-weight: 700; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px; background: rgba(255,255,255,0.03);
}
.chip.alt { color: var(--turq); border-color: rgba(47, 190, 205, 0.3); }
.card-desc { color: var(--muted); font-size: 14.5px; margin: 10px 0 16px; flex: 1; }

.card-meta { display: flex; gap: 14px; color: var(--muted); font-size: 12.5px; margin-bottom: 16px; flex-wrap: wrap; }
.card-meta span::before { content: '• '; color: var(--red); }

.card-foot { margin-top: auto; }

.badge {
  position: absolute; top: 18px; right: 18px; background: linear-gradient(180deg, var(--red), var(--red-deep));
  color: #fff; font-family: var(--disp); font-size: 14px; letter-spacing: 0.04em;
  padding: 6px 12px; border-radius: 10px; box-shadow: 0 10px 22px -10px rgba(230, 46, 46, 0.8);
}
.card.main-card { padding-top: 52px; }
.card.best { border-color: rgba(230, 46, 46, 0.5); }
.card.best::before {
  content: ''; position: absolute; inset: -1px; border-radius: var(--radius); pointer-events: none;
  background: linear-gradient(140deg, rgba(230,46,46,0.14), transparent 45%);
}

.price-row { display: flex; flex-direction: column; gap: 2px; margin-bottom: 14px; }
.price-main { font-family: var(--disp); font-size: 26px; color: #fff; }
.price-note { color: var(--muted); font-size: 12.5px; }

.price-wrap { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; margin: 4px 0 14px; }
.price-promo { font-family: var(--disp); font-size: 32px; color: #fff; }
.price-normal { color: var(--muted); font-size: 15px; }
.price-normal + .price-promo { order: -1; }
.price-save { width: 100%; color: var(--red); font-weight: 800; font-size: 13px; }
.price-unknown { color: var(--muted); font-size: 12.5px; font-style: italic; }

.compare-note { color: var(--muted); font-size: 12.5px; border-left: 2px solid var(--red); padding-left: 10px; margin-bottom: 14px; }

.composition { list-style: none; margin: 12px 0 4px; padding: 0; font-size: 14px; }
.composition li { padding: 5px 0 5px 22px; position: relative; color: #e6e5ec; }
.composition li::before { content: '✓'; position: absolute; left: 0; color: var(--red); font-weight: 800; }

/* ---------- конструктор ---------- */
.builder {
  margin-top: 26px; background:
    linear-gradient(140deg, rgba(230, 46, 46, 0.09), transparent 40%),
    var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
}
.builder-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.builder-top h3 { font-size: 22px; }
.builder-actions { display: flex; gap: 10px; flex-wrap: wrap; }

#builder-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 20px; }
.step {
  background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 10px; text-align: center; transition: 0.2s;
}
.step .step-count { display: block; font-family: var(--disp); font-size: 22px; color: var(--muted); }
.step .step-val { font-size: 12px; font-weight: 800; color: var(--muted); }
.step.past { border-color: rgba(230, 46, 46, 0.35); }
.step.past .step-val { color: var(--red); }
.step.on { background: linear-gradient(180deg, var(--red), var(--red-deep)); border-color: transparent; transform: scale(1.05); }
.step.on .step-count, .step.on .step-val { color: #fff; }

.builder-rows { margin: 0; display: grid; gap: 8px; }
.builder-rows > div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--line); padding-bottom: 8px; }
.builder-rows dt { color: var(--muted); }
.builder-rows dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }
.builder-rows dd.accent { color: var(--red); }
.builder-rows dd s { color: var(--muted); font-weight: 400; }
.builder-empty { color: var(--muted); }

/* ---------- выпускники ---------- */
.grad-card { text-align: left; }
.grad-price { font-family: var(--disp); font-size: 28px; color: #fff; margin: 10px 0 6px; }
.grad-note { color: var(--muted); font-size: 14px; max-width: 640px; margin-bottom: 26px; }
.grad-note b { color: #fff; }

/* ---------- формы ---------- */
.form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
}
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: #dcdbdf; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  color: var(--text); font-family: var(--body); font-size: 15px; padding: 12px 14px; transition: 0.15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(230, 46, 46, 0.18);
}
.field.error input { border-color: var(--red); background: rgba(230, 46, 46, 0.07); }
.field .err { display: none; color: var(--red); font-size: 12px; margin-top: 4px; }
.field.error .err { display: block; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: var(--muted); margin-bottom: 8px; cursor: pointer; }
.consent input { width: auto; margin-top: 2px; accent-color: var(--red); }
.form-success { color: var(--turq); font-weight: 700; margin-top: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .wide { grid-column: 1 / -1; }

/* ---------- помощь с выбором: эксперт ---------- */
.expert-wrap { display: grid; grid-template-columns: 400px 1fr; gap: 40px; align-items: center; }
.expert-photo {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: #f4efe4; /* фон карточки под цвет фото */
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.8);
}
.expert-photo img { display: block; width: 100%; height: auto; }
.expert-photo figcaption {
  position: absolute; left: 12px; right: 12px; bottom: 12px; background: rgba(12,12,15,0.82);
  backdrop-filter: blur(8px); color: #fff; border-radius: 12px; padding: 10px 14px; font-size: 13px;
}
.expert-photo figcaption b { display: block; font-size: 15px; }
.expert-facts { display: flex; flex-direction: column; gap: 16px; margin-top: 6px; }
.expert-facts li { list-style: none; padding-left: 30px; position: relative; color: #e8e7ec; }
.expert-facts li::before { content: '★'; position: absolute; left: 0; color: var(--red); }

/* ---------- корзина ---------- */
#cart { background: linear-gradient(180deg, transparent, rgba(230,46,46,0.05)), var(--bg-soft); }
.cart-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 26px 26px; }
.cart-row {
  display: grid; grid-template-columns: 1fr auto auto auto; gap: 18px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.cart-row strong.title { font-size: 15.5px; }
.cart-info strong { display: block; font-size: 15.5px; }
.cart-info .cart-sub { font-size: 12.5px; color: var(--muted); }
.cart-num { text-align: right; display: flex; flex-direction: column; }
.cart-num s { color: var(--muted); font-size: 13.5px; white-space: nowrap; }
.cart-disc { color: var(--red); font-weight: 800; font-size: 12.5px; white-space: nowrap; }
.cart-final { font-family: var(--disp); font-size: 21px; white-space: nowrap; }
.cart-x {
  background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 10px;
  width: 34px; height: 34px; cursor: pointer; transition: 0.15s;
}
.cart-x:hover { color: #fff; border-color: var(--red); background: rgba(230, 46, 46, 0.15); }
.cart-empty { padding: 26px 0; color: var(--muted); }

.cart-totals { display: grid; gap: 8px; margin: 20px 0 4px; font-size: 15px; }
.cart-totals > div { display: flex; justify-content: space-between; }
.cart-totals .accent { color: var(--red); font-weight: 800; }
.cart-totals .topay { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 12px; }
.cart-totals .topay strong { font-family: var(--disp); font-size: 30px; color: var(--red); }
.cart-totals s { color: var(--muted); }

.cart-warn { display: block; color: var(--red); font-weight: 700; font-size: 13px; margin: 10px 0; }
.cart-actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; margin-top: 14px; }

/* ---------- модалка ---------- */
dialog#checkout {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px; max-width: 560px; width: calc(100% - 32px);
  margin: auto; box-shadow: 0 60px 120px -40px rgba(0,0,0,0.9);
}
dialog#checkout::backdrop { background: rgba(5, 5, 7, 0.8); backdrop-filter: blur(4px); }
dialog#checkout h3 { font-size: 26px; margin-bottom: 6px; }
dialog#checkout .modal-sub { color: var(--muted); font-size: 13.5px; margin-bottom: 16px; }
#checkout-summary { list-style: none; margin: 0 0 20px; padding: 0; }
#checkout-summary li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 14px; }
#checkout-summary li strong { font-variant-numeric: tabular-nums; }
#checkout-summary li.sum { border-bottom: 0; font-weight: 800; padding-top: 12px; }
#checkout-summary li.sum strong { color: var(--red); font-family: var(--disp); font-size: 20px; }

#checkout-steps .step-line { color: var(--muted); font-size: 14px; margin: 10px 0; display: flex; gap: 10px; align-items: center; }
.spinner {
  width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid var(--line); border-top-color: var(--red); animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#checkout-success { margin-top: 10px; }
#checkout-success .ok-title { color: var(--turq); font-weight: 800; font-size: 18px; margin-bottom: 10px; }
#checkout-success p { color: var(--muted); font-size: 14px; margin-bottom: 18px; }

/* ---------- подвал ---------- */
footer.site { background: #060608; border-top: 1px solid var(--line); padding: 48px 0 30px; }
.foot-grid { display: grid; grid-template-columns: auto 1fr auto; gap: 30px; align-items: start; margin-bottom: 30px; }
footer.site .logo-plate { box-shadow: none; }
footer.site h4 { font-family: var(--disp); text-transform: uppercase; font-size: 15px; margin: 0 0 10px; letter-spacing: 0.06em; }
footer.site p, footer.site a { color: var(--muted); font-size: 13.5px; text-decoration: none; }
footer.site a:hover { color: #fff; }
.foot-legal { display: flex; gap: 18px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 20px; }
.foot-copy { color: var(--muted); font-size: 12.5px; margin-top: 14px; }

/* ---------- тосты ---------- */
#toasts { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 90; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast {
  background: #1d1d23; color: #fff; border: 1px solid var(--line); border-left: 3px solid var(--red);
  border-radius: 12px; padding: 12px 18px; font-size: 14px; font-weight: 600;
  opacity: 0; transform: translateY(10px); transition: 0.3s ease; max-width: min(420px, calc(100vw - 40px));
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.8);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.warn { border-left-color: #ffb020; }

/* ---------- cookie-баннер ---------- */
#cookie {
  position: fixed; right: 18px; bottom: 18px; z-index: 80; max-width: 330px;
  background: var(--card-hi); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px; font-size: 12.5px; color: var(--muted); box-shadow: 0 30px 60px -20px rgba(0,0,0,0.85);
}
#cookie .row { display: flex; gap: 8px; margin-top: 12px; }
#cookie button { flex: 1; border: 0; border-radius: 10px; padding: 9px 10px; font-weight: 700; cursor: pointer; font-size: 12px; }
#cookie .ok { background: var(--red-strong); color: #fff; }
#cookie .off { background: transparent; border: 1px solid var(--line) !important; color: var(--muted); }

/* ---------- адаптив ---------- */
@media (max-width: 1020px) {
  .grid3 { grid-template-columns: repeat(2, 1fr); }
  .grid2 { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .expert-wrap { grid-template-columns: 1fr; }
  .expert-photo { max-width: 360px; }
}

@media (max-width: 760px) {
  section { padding: 52px 0; }
  #burger { display: block; }
  nav#nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(11, 11, 14, 0.97); border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 10px 16px 16px; gap: 2px;
  }
  nav#nav.open { display: flex; }
  nav#nav a { padding: 12px 10px; font-size: 16px; }
  .header-cart { margin-left: auto; }
  .hero { min-height: auto; padding: 60px 0 70px; }
  .hero h1 .sale-row { top: -0.75em; }
  .hero-photo { right: 6%; height: 56%; opacity: 0.92; }
  .grid3, .grid2 { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  #builder-steps { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 5px; }
  .step .step-count { font-size: 16px; }
  .cart-row { grid-template-columns: 1fr auto; gap: 8px 12px; }
  .cart-row .cart-final { grid-column: 1; }
  .cart-row .cart-x { grid-column: 2; grid-row: 1 / span 2; }
  .cart-num { grid-column: 1 / -1; flex-direction: row; gap: 10px; text-align: left; }
  .cart-actions .btn { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  #cookie { left: 18px; right: 18px; max-width: none; }
}