/* ─────────────────────────────────────────────
   Karavadjo — GitHub Pages
   Дизайн-система повторяет основной сайт karavadjo.ru
   ───────────────────────────────────────────── */

:root {
  --bg-primary: #f6ede4;
  --bg-secondary: #fff5ee;
  --bg-card: rgba(255, 255, 255, 0.55);

  --accent-primary: #cfa084;
  --accent-primary-hover: #b88b6f;

  --text-primary: #373737;
  --text-secondary: #6b5e54;
  --text-tertiary: #a89888;

  --border-color: rgba(230, 200, 192, 0.35);
  --border-subtle: rgba(230, 200, 192, 0.18);

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  --shadow-card: 0 4px 20px rgba(180, 140, 120, 0.1);
  --shadow-elevated: 0 20px 56px rgba(180, 140, 120, 0.2);

  --font-main: system-ui, "Segoe UI", Roboto, sans-serif;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(ellipse 130% 50% at 50% -5%, rgba(207, 160, 132, 0.22) 0%, transparent 58%),
    radial-gradient(ellipse 80% 40% at 90% 60%, rgba(255, 245, 238, 0.6) 0%, transparent 50%),
    linear-gradient(175deg, #fffaf6 0%, #f6ede4 50%, #ecddd3 100%);
  background-attachment: fixed;
  color: var(--text-secondary);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 18px;
  background: #fff;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
.container--narrow { max-width: 760px; }

.accent { color: var(--accent-primary); }

.link {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(207, 160, 132, 0.45);
  transition: color var(--transition-fast);
}
.link:hover { color: var(--accent-primary-hover); }

/* ── Header ─────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 237, 228, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}
.logo__mark { color: var(--accent-primary); font-size: 0.95em; }

.header__cta {
  padding: 9px 18px;
  border-radius: 100px;
  background: var(--accent-primary);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(207, 160, 132, 0.35);
  transition: background var(--transition-normal), transform var(--transition-normal);
}
.header__cta:hover { background: var(--accent-primary-hover); transform: translateY(-1px); }

/* ── Hero ───────────────────────────────── */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 640px;
  padding: 96px 0 72px;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 62% 68% at 50% 46%,
      rgba(246, 237, 228, 0.97) 30%,
      rgba(246, 237, 228, 0.82) 52%,
      rgba(246, 237, 228, 0.35) 78%,
      rgba(246, 237, 228, 0) 100%),
    linear-gradient(to bottom,
      rgba(246, 237, 228, 0.6) 0%,
      rgba(246, 237, 228, 0) 22%,
      rgba(246, 237, 228, 0) 78%,
      var(--bg-primary) 100%);
}

.hero .container { position: relative; z-index: 2; }

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  max-width: 620px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2.1rem, 8vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  text-wrap: balance;
}

.hero__subtitle {
  font-size: clamp(0.95rem, 2.8vw, 1.06rem);
  line-height: 1.7;
  max-width: 470px;
}

.hero__note {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(207, 160, 132, 0.35);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  width: fit-content;
}

.badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-primary);
  flex-shrink: 0;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

/* ── Кнопки ─────────────────────────────── */
.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 340px;
}

.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.btn--primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 6px 28px rgba(207, 160, 132, 0.45);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(207, 160, 132, 0.55); }
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-secondary);
  border: 1px solid rgba(207, 160, 132, 0.35);
  font-weight: 400;
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.78); transform: translateY(-1px); }

.btn--lg { padding: 18px 40px; font-size: 1.05rem; }

/* ── Статистика ─────────────────────────── */
.stats {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 8px;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat__val {
  font-size: clamp(1.4rem, 5vw, 1.7rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1;
}
.stat__lbl { font-size: 0.68rem; color: var(--text-tertiary); white-space: nowrap; }
.stat__sep { width: 1px; height: 30px; background: rgba(207, 160, 132, 0.3); flex-shrink: 0; }

/* ── Галерея-стена ──────────────────────── */
.gallery {
  position: absolute;
  inset: -6% -2%;
  z-index: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  align-items: start;
  overflow: hidden;
  transform: rotate(-3deg) scale(1.15);
  opacity: 0.85;
}

.gallery__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: scrollUp linear infinite;
  will-change: transform;
}
.gallery__col--reverse { animation-name: scrollDown; }

.gallery__col img {
  flex: 0 0 auto;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(150, 115, 95, 0.14);
}

@keyframes scrollUp {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}
@keyframes scrollDown {
  from { transform: translateY(-50%); }
  to { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .gallery__col { animation: none; }
  .badge__dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── Секции ─────────────────────────────── */
.section { padding: 56px 0; }

.section__header {
  max-width: 640px;
  margin: 0 auto 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section__title {
  font-size: clamp(1.7rem, 5.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-wrap: balance;
}

.section__subtitle {
  font-size: clamp(0.94rem, 2.6vw, 1.02rem);
  line-height: 1.7;
}

.grid { display: grid; gap: 20px; }
.grid--tools { grid-template-columns: 1fr; }
.grid--steps { grid-template-columns: 1fr; list-style: none; }
.grid--links { grid-template-columns: 1fr; }
.grid--guides { grid-template-columns: 1fr; }

/* ── Карточка инструмента ───────────────── */
.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-elevated); }

.card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
}

.card__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.card__text { font-size: 0.92rem; line-height: 1.6; }

.card__cta {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--accent-primary);
  transition: gap var(--transition-fast), color var(--transition-fast);
  align-self: flex-start;
}
.card__cta:hover { gap: 11px; color: var(--accent-primary-hover); }

/* ── Before / After ─────────────────────── */
.ba {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-secondary);
  touch-action: pan-y;
  user-select: none;
}

.ba__after,
.ba__before {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* Клип по ширине — картинка «до» не масштабируется вслед за ползунком */
.ba__before-wrap {
  position: absolute;
  inset: 0;
  clip-path: inset(0 50% 0 0);
}

.ba__line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 12px rgba(120, 90, 70, 0.35);
  pointer-events: none;
}

.ba__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 36px;
  height: 36px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 14px rgba(120, 90, 70, 0.28);
}
.ba__handle::before,
.ba__handle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform: translateY(-50%);
}
.ba__handle::before { left: 9px; border-right: 6px solid var(--accent-primary); }
.ba__handle::after { right: 9px; border-left: 6px solid var(--accent-primary); }

/* Ползунок — доступен с клавиатуры, визуально скрыт поверх картинки */
.ba__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}
.ba__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 44px;
  height: 100%;
  cursor: ew-resize;
}
.ba__range::-moz-range-thumb {
  width: 44px;
  height: 100%;
  border: 0;
  background: transparent;
  cursor: ew-resize;
}
.ba__range:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: -2px; opacity: 1; }

.ba__tag {
  position: absolute;
  bottom: 12px;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(55, 55, 55, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.4px;
  pointer-events: none;
}
.ba__tag--left { left: 12px; }
.ba__tag--right { right: 12px; }

/* ── Видео ──────────────────────────────── */
.section--video { padding-top: 24px; }

.video__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 36px;
}

.video__text { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; text-align: left; }
.video__text .section__title { text-align: left; }

.features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.feature { display: flex; align-items: flex-start; gap: 10px; font-size: 0.94rem; }
.feature__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(207, 160, 132, 0.18);
  color: var(--accent-primary);
  font-size: 0.7rem;
  margin-top: 2px;
}

.video__col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.video__item {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  background: var(--bg-secondary);
}

/* ── Шаги ───────────────────────────────── */
.step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.step__num {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #cfa084, #e8c4a8);
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 4px 14px rgba(207, 160, 132, 0.4);
}

.step__title { font-size: 1.08rem; font-weight: 700; color: var(--text-primary); }

/* ── Списки ссылок ──────────────────────── */
.linkcard {
  padding: 24px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.linkcard__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.linklist { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.linklist a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.94rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.linklist a::before { content: '→'; color: var(--accent-primary); font-size: 0.85em; }
.linklist a:hover { color: var(--accent-primary); transform: translateX(3px); }

/* ── Гайды ──────────────────────────────── */
.guide {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
}
.guide:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(207, 160, 132, 0.5);
}

.guide__title { font-size: 1.02rem; font-weight: 700; color: var(--text-primary); line-height: 1.35; }
.guide--all { background: rgba(207, 160, 132, 0.12); border-color: rgba(207, 160, 132, 0.4); }

/* ── FAQ ────────────────────────────────── */
.faq { display: flex; flex-direction: column; gap: 10px; }

.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 4px 18px;
  transition: border-color var(--transition-normal);
}
.faq__item[open] { border-color: rgba(207, 160, 132, 0.5); }

.faq__q {
  padding: 14px 28px 14px 0;
  position: relative;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent-primary);
  line-height: 1;
  transition: transform var(--transition-normal);
}
.faq__item[open] .faq__q::after { transform: translateY(-50%) rotate(45deg); }

.faq__a { padding: 0 0 16px; font-size: 0.94rem; line-height: 1.7; }

/* ── Финальный CTA ──────────────────────── */
.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  padding: 48px 24px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background:
    radial-gradient(ellipse 80% 120% at 50% 0%, rgba(232, 196, 168, 0.35) 0%, transparent 70%),
    rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}

.cta__title {
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.4px;
}
.cta__text { max-width: 420px; font-size: 0.98rem; }
.cta .btn { margin-top: 6px; }

/* ── Footer ─────────────────────────────── */
.footer {
  margin-top: 32px;
  padding: 44px 0 28px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(255, 245, 238, 0.5);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.footer__brand { display: flex; flex-direction: column; gap: 10px; max-width: 340px; }
.footer__about { font-size: 0.88rem; line-height: 1.65; color: var(--text-tertiary); }

.footer__group { display: flex; flex-direction: column; gap: 8px; }
.footer__title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.footer__group a {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}
.footer__group a:hover { color: var(--accent-primary); }

.footer__bottom {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

/* ── Планшет ────────────────────────────── */
@media (min-width: 600px) {
  .hero__actions { flex-direction: row; max-width: none; width: auto; }
  .gallery { grid-template-columns: repeat(4, 1fr); }
  .grid--tools { grid-template-columns: repeat(2, 1fr); }
  .grid--steps { grid-template-columns: repeat(3, 1fr); }
  .grid--links { grid-template-columns: repeat(2, 1fr); }
  .grid--guides { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: repeat(2, 1fr); }
}

/* ── Десктоп ────────────────────────────── */
@media (min-width: 900px) {
  .section { padding: 72px 0; }
  .hero { min-height: 86vh; padding: 120px 0 96px; }
  .gallery { grid-template-columns: repeat(6, 1fr); gap: 14px; }
  .gallery__col { gap: 14px; }
  .grid--links { grid-template-columns: repeat(3, 1fr); }
  .grid--guides { grid-template-columns: repeat(3, 1fr); }

  .video__inner {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }
  .video__text { flex: 1 1 46%; }
  .video__col { flex: 1 1 54%; }

  .footer__inner { grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
  .cta { padding: 64px 32px; }
}