/* ============================================================
   Reelup — main.css
   Дизайн-философия: монохром + один акцент, тонкие границы,
   крупная типографика, ноль AI-паттернов.
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* ---------- Tokens ---------- */
:root {
  /* Палитра */
  --bg:        #0a0a0a;
  --bg-elev:  #131313;
  --bg-hi:    #1c1c1c;
  --text:    #fafafa;
  --text-dim: #a1a1a1;
  --text-mute:#6e6e6e;
  --border:  #262626;
  --border-hi:#3a3a3a;

  /* Акцент */
  --acc:     #c0ff3c;        /* кислотно-зелёный */
  --acc-ink: #0a0a0a;        /* текст по акценту */
  --acc-dim:  #95cc24;

  /* Семантика */
  --err:     #ff6b6b;
  --warn:    #ffd166;

  /* Геометрия */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  /* Шрифт */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* Тайминги */
  --t-fast: 120ms;
  --t-mid:  220ms;
  --ease:   cubic-bezier(.2,.7,.2,1);

  /* Контейнер */
  --container: 1200px;
  --container-narrow: 760px;
}

/* ---------- Body ---------- */
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Лёгкая, едва видимая текстура — даёт глубину без glow */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse at top, rgba(192,255,60,.04), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.container--narrow { max-width: var(--container-narrow); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; top: -100px; left: 0;
  background: var(--acc); color: var(--acc-ink);
  padding: 8px 16px; font-weight: 600;
  z-index: 100;
}
.skip-link:focus { top: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,.78);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; gap: 32px;
  height: 64px;
}

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px; letter-spacing: -0.01em;
  color: var(--text);
  transition: opacity var(--t-fast) var(--ease);
}
.brand:hover { opacity: .8; }
.brand-logo { color: var(--acc); }

.nav-main {
  display: flex; gap: 4px; margin-left: auto;
}
.nav-main a {
  padding: 8px 14px;
  color: var(--text-dim);
  font-size: 15px; font-weight: 500;
  border-radius: var(--r-sm);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav-main a:hover { color: var(--text); background: var(--bg-elev); }
.nav-main a[aria-current="page"] {
  color: var(--text);
  background: var(--bg-elev);
}

/* Telegram-кнопка в шапке */
.btn-bot {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border-hi);
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  color: var(--text);
  background: transparent;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.btn-bot:hover { background: var(--bg-elev); border-color: var(--text-dim); }
.btn-bot:active { transform: scale(.97); }

/* Бургер — только на мобиле */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--text);
  transition: transform var(--t-mid) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; }
.mobile-nav:not([hidden]) {
  display: flex; flex-direction: column;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.mobile-nav a {
  padding: 14px 0;
  font-size: 17px; font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-bot { color: var(--acc) !important; font-weight: 600 !important; }

/* ---------- HERO — главный экран ---------- */
.hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(48px, 6vw, 80px);
  position: relative;
}
.hero-inner { text-align: center; }

.hero-title {
  font-size: clamp(40px, 7vw, 88px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  background: linear-gradient(180deg, var(--text) 0%, var(--text-dim) 140%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto clamp(32px, 5vw, 56px);
  line-height: 1.5;
}

/* === Поле ввода — главный элемент сайта === */
.downloader {
  max-width: 760px;
  margin: 0 auto;
}
.downloader-field {
  display: flex; align-items: stretch;
  background: var(--bg-elev);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-xl);
  padding: 8px;
  gap: 4px;
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
  position: relative;
}
.downloader-field:focus-within {
  border-color: var(--acc);
  background: var(--bg-hi);
}
.downloader-field:focus-within::before {
  content: "";
  position: absolute; inset: -4px;
  border-radius: var(--r-xl);
  border: 1px solid rgba(192,255,60,.2);
  pointer-events: none;
}

.downloader-input {
  flex: 1; min-width: 0;
  background: transparent; border: none; outline: none;
  color: var(--text);
  font-size: clamp(16px, 1.7vw, 19px);
  padding: 0 20px;
  font-weight: 500;
  height: clamp(56px, 8vw, 72px);
}
.downloader-input::placeholder { color: var(--text-mute); font-weight: 400; }

.downloader-paste {
  display: inline-flex; align-items: center; justify-content: center;
  width: clamp(48px, 7vw, 56px);
  border-radius: var(--r-lg);
  color: var(--text-dim);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.downloader-paste:hover { color: var(--text); background: var(--bg-hi); }

.downloader-submit {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 0 clamp(20px, 3vw, 32px);
  height: clamp(56px, 8vw, 72px);
  background: var(--acc); color: var(--acc-ink);
  border-radius: var(--r-lg);
  font-weight: 700; font-size: clamp(15px, 1.6vw, 17px);
  letter-spacing: -0.01em;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), opacity var(--t-mid) var(--ease);
}
.downloader-submit:hover { background: #d6ff5e; }
.downloader-submit:active { transform: scale(.97); }
.downloader-submit:disabled { opacity: .6; cursor: not-allowed; }
.downloader-submit.is-loading { pointer-events: none; }
.downloader-submit.is-loading span::after {
  content: "..."; display: inline-block; width: 0; overflow: hidden;
  animation: dots 1.4s steps(4, end) infinite;
}
@keyframes dots { 0%{width:0;} 100%{width:1.2em;} }

.downloader-hint {
  color: var(--text-mute);
  font-size: 13px;
  margin: 14px 0 0;
  text-align: center;
}

/* === Результат загрузки === */
.result {
  margin-top: 36px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 24px;
  text-align: left;
}
.result--error {
  border-color: rgba(255,107,107,.3);
  background: rgba(255,107,107,.05);
}
.result-head {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 16px;
}
.result-thumb {
  width: 96px; height: 96px; flex-shrink: 0;
  border-radius: var(--r-md);
  object-fit: cover;
  background: var(--bg-hi);
  border: 1px solid var(--border);
}
.result-meta { flex: 1; min-width: 0; }
.result-author {
  font-size: 14px; color: var(--text-dim); margin-bottom: 4px;
}
.result-title {
  font-size: 15px; line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.result-actions {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.btn-download {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  background: var(--acc); color: var(--acc-ink);
  border-radius: var(--r-md);
  font-weight: 700; font-size: 15px;
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.btn-download:hover { background: #d6ff5e; }
.btn-download:active { transform: scale(.97); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  background: transparent; color: var(--text);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-md);
  font-weight: 600; font-size: 15px;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.btn-secondary:hover { border-color: var(--text-dim); background: var(--bg-hi); }
.result-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.result-images a {
  display: block; position: relative;
  border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1;
}
.result-images img { width: 100%; height: 100%; object-fit: cover; }
.result-error-msg {
  color: var(--text); margin: 0 0 12px;
}
.result-error-hint {
  color: var(--text-dim); font-size: 14px; margin: 0 0 16px;
}

/* ---------- FEATURES ---------- */
.features { padding: clamp(48px, 6vw, 96px) 0; border-top: 1px solid var(--border); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.features-item {
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}
.features-item:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.features-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-hi);
  border-radius: var(--r-md);
  color: var(--acc);
  margin-bottom: 18px;
}
.features-item h3 {
  font-size: 17px; font-weight: 700; margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.features-item p {
  font-size: 15px; color: var(--text-dim); margin: 0; line-height: 1.55;
}
.features-item a { color: var(--acc); border-bottom: 1px solid rgba(192,255,60,.3); }
.features-item a:hover { border-bottom-color: var(--acc); }

/* ---------- HOWTO ---------- */
.howto { padding: clamp(48px, 6vw, 96px) 0; border-top: 1px solid var(--border); }
.howto h2, .faq h2, .lsi h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; letter-spacing: -0.02em;
  margin: 0 0 36px; text-align: center;
}
.howto-list {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 760px; margin: 0 auto;
  counter-reset: howto;
}
.howto-list li {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 20px 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.howto-num {
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--acc); color: var(--acc-ink);
  border-radius: 50%;
  font-weight: 800; font-size: 16px;
}
.howto-list p { margin: 0; line-height: 1.55; }

/* ---------- FAQ ---------- */
.faq { padding: clamp(48px, 6vw, 96px) 0; border-top: 1px solid var(--border); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 0;
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; flex-shrink: 0;
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-hi);
  border-radius: 50%;
  font-size: 18px; font-weight: 400;
  transition: transform var(--t-mid) var(--ease), background var(--t-fast) var(--ease);
}
.faq-item[open] summary::after { content: "−"; background: var(--bg-hi); }
.faq-item summary:hover::after { background: var(--bg-hi); }
.faq-item p {
  color: var(--text-dim); margin: 0 0 22px;
  font-size: 16px; line-height: 1.65;
  max-width: 720px;
}

/* ---------- LSI / "По теме" ---------- */
.lsi { padding: clamp(48px, 6vw, 96px) 0; border-top: 1px solid var(--border); }
.lsi-list {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; max-width: 900px; margin: 0 auto;
  align-items: flex-start;
}
.lsi-list li {
  list-style: none;
  display: inline-flex;
}
.lsi-list li:not(:has(a)) {
  padding: 10px 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-dim);
}
.lsi-list a {
  display: inline-flex; align-items: center;
  padding: 10px 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  color: var(--text);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  white-space: nowrap;
}
.lsi-list a:hover { border-color: var(--acc); background: var(--bg-hi); }

/* ---------- CTA на бот ---------- */
.cta-bot {
  padding: clamp(48px, 6vw, 80px) 0;
  border-top: 1px solid var(--border);
}
.cta-bot-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 32px;
  padding: clamp(32px, 5vw, 56px);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
}
.cta-bot h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800; letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.cta-bot p {
  color: var(--text-dim); margin: 0; max-width: 480px;
}
.btn-bot.btn-bot--cta {
  padding: 14px 22px; font-size: 15px;
  background: var(--acc); color: var(--acc-ink);
  border: none;
}
.btn-bot--cta:hover { background: #d6ff5e; }

/* ---------- Page head (info-страницы) ---------- */
.page-head { padding: clamp(48px, 6vw, 80px) 0 24px; }
.page-head h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800; letter-spacing: -0.025em; margin: 0 0 12px;
}
.page-sub { color: var(--text-dim); margin: 0; font-size: 17px; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  padding-top: 24px;
  font-size: 14px; color: var(--text-mute);
}
.breadcrumbs a { color: var(--text-dim); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs span { margin: 0 8px; color: var(--text-mute); }
.breadcrumbs span:not([aria-hidden]) { color: var(--text-dim); }

/* ---------- Prose (info-страницы) ---------- */
.prose { padding: 24px 0 96px; }
.prose h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700; letter-spacing: -0.015em;
  margin: 40px 0 16px;
}
.prose p { color: var(--text-dim); margin: 0 0 16px; line-height: 1.7; }
.prose a { color: var(--acc); border-bottom: 1px solid rgba(192,255,60,.3); }
.prose a:hover { border-bottom-color: var(--acc); }
.cta-inline { margin-top: 36px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 56px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-col h3 {
  font-size: 13px; text-transform: uppercase;
  letter-spacing: 0.08em; font-weight: 600;
  color: var(--text-mute);
  margin: 0 0 16px;
}
.footer-col a {
  display: block; padding: 6px 0;
  font-size: 15px; color: var(--text-dim);
  transition: color var(--t-fast) var(--ease);
}
.footer-col a:hover { color: var(--text); }
.footer-col p {
  font-size: 14px; color: var(--text-dim); margin: 0 0 12px; line-height: 1.55;
}
.brand--footer { font-size: 17px; margin-bottom: 12px; }
.footer-tagline { max-width: 280px; }
.btn-bot.btn-bot--footer {
  display: inline-flex;
  align-self: flex-start;
  padding: 12px 20px;
  background: transparent;
  border: 1px solid var(--acc);
  color: var(--acc);
  margin-top: 4px;
  font-weight: 600;
  white-space: nowrap;
}
.btn-bot.btn-bot--footer:hover {
  background: var(--acc);
  color: var(--acc-ink);
  border-color: var(--acc);
}

.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-mute);
}

/* ---------- Mobile ---------- */
@media (max-width: 920px) {
  .nav-main { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .btn-bot:not(.btn-bot--cta):not(.btn-bot--footer):not(.mobile-bot) { display: none; }
}
@media (max-width: 560px) {
  .header-inner { gap: 16px; height: 56px; }
  .container { padding: 0 16px; }
  .downloader-input { padding: 0 12px; font-size: 16px; }
  .downloader-paste { width: 44px; }
  .downloader-submit { padding: 0 16px; }
  .downloader-submit svg { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .howto-list li { padding: 16px 18px; gap: 14px; }
  .cta-bot-inner { padding: 28px 22px; flex-direction: column; align-items: flex-start; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .result-head { flex-direction: column; align-items: flex-start; }
  .result-thumb { width: 100%; height: auto; aspect-ratio: 1; max-width: 200px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Битое изображение в result-images — скрываем плитку */
.result-images a.img-broken { display: none; }
.result-hint { color: var(--text-dim); font-size: 14px; margin: 0 0 16px; }