/* Школа барабанов DrumMaks.
   Тёмная сцена, бронза тарелок, кремовый свет прожектора. */
:root {
  --scena: #141210;
  --ugol: #1C1916;
  --linia: #2E2924;
  --svet: #EFE7DB;
  --svet-2: #A79E92;
  --bronza: #C9963F;
  --bronza-svet: #E0B461;
  --oshibka: #FF9D8A;

  --zag: "Montserrat", "Arial Black", sans-serif;
  --shrift: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ruka: "Marck Script", cursive;

  --pole: 16px;
  --sec: 72px;
  --shapka: 60px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--scena);
  color: var(--svet);
  font: 400 17px/1.6 var(--shrift);
  padding-bottom: 72px; /* место под полоску записи */
  overflow-x: hidden;
}
img, svg, iframe, video { max-width: 100%; }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--bronza); outline-offset: 3px; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--pole); }

h1, h2, h3 { font-family: var(--zag); margin: 0; text-transform: uppercase; line-height: .96; letter-spacing: -0.01em; }
h1 { font-size: clamp(44px, 13vw, 132px); font-weight: 900; }
h2 { font-size: clamp(30px, 7vw, 64px); font-weight: 800; margin-bottom: 28px; }
h3 { font-size: 21px; font-weight: 800; margin: 40px 0 8px; letter-spacing: 0; }
p { margin: 0 0 16px; max-width: 62ch; }
.muted { color: var(--svet-2); }
.small { font-size: 15px; }
.ink { color: var(--svet); }

/* Кнопки */
.btn {
  display: inline-block;
  background: var(--bronza);
  color: #17120B;
  font: 800 15px/1 var(--zag);
  text-transform: uppercase;
  letter-spacing: .04em;
  text-decoration: none;
  border: 0;
  border-radius: 2px;
  padding: 18px 28px;
  cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--bronza-svet); }
.btn:active { transform: translateY(1px); }
.btn--line { background: transparent; color: var(--svet); box-shadow: inset 0 0 0 2px var(--bronza); }
.btn--line:hover { background: var(--bronza); color: #17120B; }
.btn--small { padding: 12px 18px; font-size: 13px; }

/* Шапка */
.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  height: var(--shapka);
  background: rgba(20, 18, 16, .82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: background .2s, border-color .2s;
}
.top.is-scrolled { background: rgba(20, 18, 16, .97); border-bottom-color: var(--linia); }
.top__in { display: flex; justify-content: space-between; align-items: center; height: 100%; gap: 16px; }
.logo { font-family: var(--zag); font-weight: 900; font-size: 19px; text-transform: uppercase; text-decoration: none; letter-spacing: -.02em; }
.logo span { color: var(--bronza); }
.nav { display: none; gap: 26px; font: 700 13px/1 var(--zag); text-transform: uppercase; letter-spacing: .06em; }
.nav a { text-decoration: none; color: var(--svet-2); transition: color .15s; }
.nav a:hover { color: var(--svet); }
.top__phone { font-weight: 600; text-decoration: none; font-size: 15px; white-space: nowrap; }

/* Первый экран */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; transform: scale(1.1); }
.hero__bg video, .hero__bg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,18,16,.72) 0%, rgba(20,18,16,.38) 40%, rgba(20,18,16,.92) 100%);
}
.hero .wrap { position: relative; width: 100%; padding-top: calc(var(--shapka) + 24px); padding-bottom: 32px; }
.hero__title { transform: rotate(-3deg); transform-origin: left bottom; margin-bottom: 22px; }
.hero__title h1 { color: #fff; text-shadow: 0 10px 40px rgba(0,0,0,.45); }
.hero__title .ruka { display: block; font: 400 clamp(28px, 8vw, 64px)/1 var(--ruka); color: var(--bronza); text-transform: none; margin-top: 6px; }
.hero__sub { font-size: 18px; max-width: 30ch; margin-bottom: 24px; }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.hero__price { margin: 0; font-size: 15px; max-width: 26ch; }
.hero__price b { color: var(--bronza); }
.hero__bottom { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; margin-top: 28px; font-size: 14px; }
.hero__sound {
  background: rgba(20,18,16,.6); color: var(--svet); border: 1px solid var(--linia);
  font: 600 14px/1 var(--shrift); border-radius: 2px; padding: 11px 14px 11px 32px; cursor: pointer; position: relative;
}
.hero__sound::before { content: ""; position: absolute; left: 13px; top: 50%; margin-top: -5px; border-left: 9px solid var(--bronza); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.hero__sound:hover { background: var(--ugol); }

/* Бегущая строка */
.ticker { background: var(--bronza); color: #17120B; overflow: hidden; padding: 13px 0; }
.ticker__in { display: flex; width: max-content; animation: ehat 32s linear infinite; }
.ticker span { font: 800 15px/1 var(--zag); text-transform: uppercase; letter-spacing: .05em; padding: 0 22px; white-space: nowrap; }
@keyframes ehat { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker__in { animation: none; } }

/* Секции */
section[id] { scroll-margin-top: calc(var(--shapka) + 8px); }
.sec { padding: var(--sec) 0; }
.sec--ugol { background: var(--ugol); }
.sec--line { border-top: 1px solid var(--linia); }

/* Как проходит урок */
.timeline { display: flex; margin: 0 0 28px; overflow: hidden; font-size: 15px; border: 1px solid var(--linia); }
.timeline__part { flex: 1; padding: 16px; }
.timeline__part span { display: block; font: 800 22px/1.1 var(--zag); }
.timeline__part--teacher { background: var(--ugol); }
.timeline__part--self { background: var(--bronza); color: #17120B; }
.aside { font-weight: 600; border-left: 3px solid var(--bronza); padding-left: 14px; }

.photos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 32px; }
.photos picture { display: block; overflow: hidden; }
.photos img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 5; }
.photos .photos__big { grid-column: 1 / -1; }
.photos .photos__big img { aspect-ratio: 3 / 2; }

/* Каверы */
.covers { display: grid; gap: 16px; margin-top: 24px; }
.covers video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }

/* Лента с учениками */
.gal { padding: var(--sec) 0 calc(var(--sec) - 8px); overflow: hidden; }
.gal h2 { padding: 0 var(--pole); max-width: 1180px; margin: 0 auto 28px; }
.gal__row { display: flex; gap: 8px; width: max-content; margin-bottom: 8px; }
.gal__row img {
  display: block; width: 210px; height: 373px; object-fit: cover;
  filter: grayscale(1) contrast(1.05); transition: filter .3s;
}
.gal__row img:hover { filter: none; }
@media (prefers-reduced-motion: no-preference) {
  .gal__row { animation: edet 126s linear infinite; }
  .gal__row--back { animation-direction: reverse; animation-duration: 131s; }
  @keyframes edet { to { transform: translateX(-50%); } }
}

/* Цены */
.price-first { display: grid; gap: 24px; }
.price-first__item { border-top: 3px solid var(--bronza); padding-top: 14px; }
.price-first__item p { margin: 0 0 6px; }
.price-first__name { font: 800 14px/1 var(--zag); text-transform: uppercase; letter-spacing: .06em; color: var(--svet-2); }
.price-first__sum { font: 900 clamp(34px, 9vw, 54px)/1 var(--zag); }

.subs { width: 100%; border-collapse: collapse; margin: 16px 0 8px; font-variant-numeric: tabular-nums; }
.subs th, .subs td { padding: 16px 8px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--linia); }
.subs thead th { font: 700 13px/1 var(--zag); text-transform: uppercase; letter-spacing: .06em; color: var(--svet-2); padding-top: 0; }
.subs tbody th { font: 800 19px/1.2 var(--zag); text-transform: uppercase; }
.subs tbody th span { display: block; font: 400 14px/1.4 var(--shrift); text-transform: none; color: var(--svet-2); margin-top: 4px; }
.subs .save { display: block; font-size: 14px; color: var(--bronza); font-weight: 600; }
.subs td:last-child, .subs th:last-child { text-align: right; }
.subs td b { font: 800 20px/1 var(--zag); }
.subs__pick td, .subs__pick th { background: rgba(201, 150, 63, .1); }

.rent { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; margin-top: 48px; padding-top: 18px; border-top: 3px solid var(--bronza); }
.rent h3 { margin-top: 0; }
.rent > div { flex: 1 1 280px; }
.rent p { margin: 0; }
.rent__sum { font: 900 34px/1 var(--zag); white-space: nowrap; }
.rent__sum span { font: 400 15px/1 var(--shrift); color: var(--svet-2); }

/* Что будете уметь */
.skills { list-style: none; margin: 0 0 24px; padding: 0; }
.skills li { padding: 18px 0; border-top: 1px solid var(--linia); max-width: 62ch; }
.skills li:last-child { border-bottom: 1px solid var(--linia); }
.skills b { display: block; font: 800 19px/1.3 var(--zag); text-transform: uppercase; margin-bottom: 4px; }

/* Преподаватель */
.teacher__photo { display: block; margin: 0 0 28px; max-width: 420px; }
.teacher__photo img { display: block; width: 100%; height: auto; }
.facts { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-wrap: wrap; gap: 20px 44px; }
.facts li { max-width: 20ch; font-size: 15px; color: var(--svet-2); }
.facts b { display: block; font: 900 46px/1 var(--zag); color: var(--bronza); white-space: nowrap; }

/* Отзывы */
.reviews { display: grid; gap: 28px; margin: 24px 0; }
.review { margin: 0; padding-left: 18px; border-left: 3px solid var(--bronza); }
.review p { margin-bottom: 8px; }
.review footer { font: 800 14px/1 var(--zag); text-transform: uppercase; letter-spacing: .04em; }
.review footer span { font: 400 13px/1 var(--shrift); text-transform: none; letter-spacing: 0; color: var(--svet-2); margin-left: 10px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 24px; font-weight: 600; }

/* Сертификат */
.gift { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.gift h2 { margin-bottom: 12px; }
.gift p { margin: 0; }

/* Вопросы */
.faq { border-top: 1px solid var(--linia); max-width: 800px; }
.faq details { border-bottom: 1px solid var(--linia); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 44px 20px 0; font: 800 17px/1.3 var(--zag); text-transform: uppercase; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font-size: 26px; color: var(--bronza); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 12px; }

/* Заявка */
.form-wrap > p { max-width: 40ch; }
.form { max-width: 560px; margin-top: 28px; display: grid; gap: 20px; }
.field { display: grid; gap: 6px; }
.field span, .choice legend { font: 700 13px/1 var(--zag); text-transform: uppercase; letter-spacing: .06em; color: var(--svet-2); }
.field input {
  font: inherit; color: var(--svet); background: var(--scena);
  border: 1px solid var(--linia); border-radius: 2px; padding: 14px; width: 100%;
}
.field input:focus { border-color: var(--bronza); outline: none; }
.field input[aria-invalid="true"] { border-color: var(--oshibka); }
.field[hidden] { display: none; }
.choice { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.choice legend { padding: 0; margin-bottom: 10px; }
.choice label { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-block; padding: 11px 16px; border: 1px solid var(--linia); border-radius: 2px; font-size: 16px; }
.choice input:checked + span { background: var(--bronza); color: #17120B; border-color: var(--bronza); font-weight: 600; }
.choice input:focus-visible + span { outline: 3px solid var(--bronza); outline-offset: 2px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--svet-2); }
.agree input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--bronza); flex: none; }
.agree.is-error span { color: var(--oshibka); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form .btn { justify-self: start; }
.form__msg { margin: 0; font-weight: 600; min-height: 1.6em; }
.form__msg.is-ok { color: var(--bronza); font-size: 19px; }
.form__msg.is-error { color: var(--oshibka); }

/* Контакты */
.contacts { display: grid; gap: 24px; }
.contacts__addr { font: 800 22px/1.2 var(--zag); text-transform: uppercase; }
.contacts a[href^="tel"] { font: 800 22px/1 var(--zag); text-decoration: none; color: var(--bronza); }
.map { width: 100%; height: 320px; border: 1px solid var(--linia); background: var(--ugol); filter: grayscale(.4); }

/* Подвал */
.foot { background: #0E0C0B; color: var(--svet-2); padding: 32px 0; font-size: 14px; border-top: 1px solid var(--linia); }
.foot p { margin: 0 0 6px; }

/* Полоска записи внизу экрана */
.stick {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 15;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px var(--pole) calc(10px + env(safe-area-inset-bottom));
  background: #0E0C0B; border-top: 1px solid var(--linia); font-size: 15px;
  transition: transform .25s;
}
.stick b { color: var(--bronza); }
.stick.is-hidden { transform: translateY(110%); }

/* Окно с видео */
.player { border: 0; padding: 0; background: #000; width: min(1000px, 100vw - 32px); max-width: none; overflow: visible; }
.player::backdrop { background: rgba(10, 9, 8, .9); }
.player video { display: block; width: 100%; max-height: 80vh; }
.player__close { position: absolute; right: 0; top: -44px; width: 40px; height: 40px; border: 0; background: none; color: #fff; font-size: 34px; line-height: 1; cursor: pointer; }

/* Планшет и компьютер */
@media (min-width: 760px) {
  :root { --pole: 32px; --sec: 104px; --shapka: 72px; }
  body { font-size: 18px; }
  .hero__sub { font-size: 21px; }
  .hero .wrap { padding-bottom: 48px; }
  .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
  .price-first { grid-template-columns: 1fr 1fr; gap: 48px; }
  .subs { max-width: 820px; }
  .covers { grid-template-columns: repeat(3, 1fr); }
  .photos { grid-template-columns: 2fr 1fr 1fr; }
  .photos .photos__big { grid-column: auto; }
  .photos img, .photos .photos__big img { aspect-ratio: 4 / 5; }
  .reviews { grid-template-columns: 1fr 1fr; gap: 40px 56px; }
  .teacher { display: grid; grid-template-columns: 5fr 7fr; column-gap: 64px; align-items: center; }
  .teacher__photo { margin: 0; }
  .contacts { grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
  .map { height: 420px; }
  .gal__row img { width: 300px; height: 533px; }
}
@media (min-width: 1024px) {
  body { padding-bottom: 0; }
  .stick { display: none; }
  .nav { display: flex; }
  .hero__sub { max-width: 34ch; }
}

/* ===== Появление блоков и микровзаимодействия ===== */
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 30;
  background: var(--bronza); color: #17120B; padding: 12px 18px; border-radius: 2px;
  font: 700 15px/1 var(--shrift); text-decoration: none; transition: top .2s;
}
.skip:focus { top: 12px; }

.reveal { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
  .js .reveal.is-in { opacity: 1; transform: none; }
  .hero__bg { will-change: transform; }
}

.hero__scroll {
  display: block; margin-top: 26px; padding-bottom: 22px; position: relative;
  font: 700 12px/1 var(--zag); text-transform: uppercase; letter-spacing: .22em; color: var(--svet-2);
}
.hero__scroll::after {
  content: ""; position: absolute; left: 2px; bottom: 0; width: 1px; height: 16px; background: var(--bronza);
}
@media (prefers-reduced-motion: no-preference) {
  .hero__scroll::after { animation: kap 1.9s ease-in-out infinite; transform-origin: top; }
  @keyframes kap { 0%, 100% { transform: scaleY(.3); opacity: .5 } 50% { transform: scaleY(1); opacity: 1 } }
}

/* Кнопка «на раздел выше» */
.vverh {
  position: fixed; right: 16px; bottom: 84px; z-index: 25;
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(20, 18, 16, .82); color: var(--svet);
  border: 1px solid var(--bronza);
  cursor: pointer;
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s, transform .25s, visibility .25s, background .2s, color .2s;
  backdrop-filter: blur(6px);
}
.vverh.is-on { opacity: 1; visibility: visible; transform: none; }
.vverh:hover { background: var(--bronza); color: #17120B; }
.vverh svg { width: 20px; height: 20px; display: block; }
@media (min-width: 1024px) { .vverh { bottom: 28px; right: 28px; } }

/* Состояния наведения */
.nav a { position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--bronza); transition: right .25s; }
.nav a:hover::after { right: 0; }
.links a { text-decoration-color: rgba(201, 150, 63, .5); transition: color .2s; }
.links a:hover { color: var(--bronza); }
.covers video, .photos img, .teacher__photo img { transition: transform .5s cubic-bezier(.2,.7,.3,1); }
.photos picture:hover img, .teacher__photo:hover img { transform: scale(1.03); }
.review { transition: border-color .3s; }
.review:hover { border-left-color: var(--bronza-svet); }

@media (max-width: 759px) { .hero__scroll { display: none; } }