/* =========================================================
   Tutoriels vidéo — refonte 2026 (CGT Alkor)
   Inspiré master : catégories, vignettes cinéma, modale premium
   ========================================================= */

.page-tutorials .tutorial-section {
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- Sommaire ---------- */
.tutorial-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.tutorial-toc {
  border: 1px solid var(--hairline-2);
  border-radius: var(--r-lg);
  padding: clamp(16px, 3vw, 22px);
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(97, 177, 188, 0.1), transparent 55%),
    rgba(8, 44, 82, 0.42);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-1);
}

.tutorial-toc-label {
  margin: 0 0 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.tutorial-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.tutorial-toc-link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  color: var(--text-2);
  text-decoration: none;
  transition:
    color 0.2s var(--ease-out),
    background 0.2s var(--ease-out),
    border-color 0.2s var(--ease-out),
    transform 0.2s var(--ease-out);
}

.tutorial-toc-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(97, 177, 188, 0.2);
}

.tutorial-toc-link.is-active {
  color: var(--text);
  background: rgba(97, 177, 188, 0.12);
  border-color: rgba(97, 177, 188, 0.38);
  box-shadow: inset 3px 0 0 var(--accent-soft);
}

.tutorial-toc-index {
  flex-shrink: 0;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.2;
  color: var(--accent-soft);
  opacity: 0.9;
  min-width: 1.6em;
}

.tutorial-toc-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.tutorial-toc-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.tutorial-toc-count {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.tutorial-body {
  min-width: 0;
}

/* Mobile : sommaire horizontal scrollable */
@media (max-width: 1023px) {
  .tutorial-toc {
    margin-bottom: 4px;
    padding: 14px 14px 12px;
    overflow: hidden;
  }

  .tutorial-toc-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .tutorial-toc-list li {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .tutorial-toc-link {
    flex-direction: column;
    gap: 6px;
    min-width: min(72vw, 260px);
    padding: 12px 14px;
    background: rgba(4, 23, 48, 0.35);
  }

  .tutorial-toc-link.is-active {
    box-shadow: inset 0 -3px 0 var(--accent-soft);
  }

  .tutorial-toc-index {
    font-size: 12px;
  }

  .tutorial-toc-name {
    font-size: 13px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media (min-width: 1024px) {
  .tutorial-layout {
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .tutorial-toc {
    position: sticky;
    top: calc(88px + env(safe-area-inset-top, 0px));
    max-height: calc(100dvh - 112px - env(safe-area-inset-top, 0px));
    overflow: auto;
  }

  .tutorial-toc-list {
    gap: 4px;
  }
}

/* ---------- Catégorie ---------- */
.tutorial-category {
  margin-bottom: clamp(48px, 8vw, 88px);
  scroll-margin-top: calc(88px + env(safe-area-inset-top, 0px));
}

.tutorial-category:last-child {
  margin-bottom: 0;
}

.tutorial-category-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.tutorial-category-aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.tutorial-category-eyebrow {
  color: var(--accent-soft);
}

.tutorial-category-name {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 18ch;
}

.tutorial-category-desc {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-2);
}

.tutorial-category-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.03);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

.tutorial-category-meta svg {
  color: var(--accent-soft);
}

.tutorial-category-toggle {
  display: none;
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(97, 177, 188, 0.28);
  background:
    linear-gradient(135deg, rgba(97, 177, 188, 0.1), transparent 55%),
    rgba(8, 44, 82, 0.45);
  color: var(--accent-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: border-color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.tutorial-category-toggle:hover {
  border-color: rgba(97, 177, 188, 0.5);
  background: rgba(97, 177, 188, 0.14);
}

.tutorial-category-toggle-caret {
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-out);
}

.tutorial-category.is-expanded .tutorial-category-toggle-caret {
  transform: rotate(180deg);
}

/* ---------- Liste vidéos (timeline desktop) ---------- */
.tutorial-stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 32px);
}

.tutorial-stack-item {
  margin: 0;
  padding: 0;
}

/* ---------- Carte vidéo ---------- */
.tutorial-card {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: var(--r-lg);
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  transition:
    transform 0.5s var(--ease-luxe),
    box-shadow 0.35s var(--ease-out);
}

.tutorial-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: box-shadow 0.35s var(--ease-out);
}

.tutorial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.tutorial-card:hover::before {
  box-shadow: inset 0 0 0 1px rgba(97, 177, 188, 0.35);
}

.tutorial-card:focus-visible {
  outline: 2px solid rgba(97, 177, 188, 0.65);
  outline-offset: 4px;
}

.tutorial-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(8, 44, 82, 0.65);
}

.tutorial-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.9s var(--ease-luxe);
}

.tutorial-card:hover .tutorial-card-media img {
  transform: scale(1.05);
}

.tutorial-card-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(3, 15, 30, 0.08) 0%, rgba(3, 15, 30, 0.2) 42%, rgba(3, 15, 30, 0.82) 100%);
  transition: background 0.35s var(--ease-out);
}

.tutorial-card:hover .tutorial-card-scrim {
  background:
    linear-gradient(180deg, rgba(3, 15, 30, 0.12) 0%, rgba(3, 15, 30, 0.28) 38%, rgba(3, 15, 30, 0.9) 100%);
}

.tutorial-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%);
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(3, 15, 30, 0.48);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  transition: transform 0.35s var(--ease-out), background 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.tutorial-card-play svg {
  margin-left: 3px;
}

.tutorial-card:hover .tutorial-card-play {
  transform: translate(-50%, -58%) scale(1.06);
  background: rgba(97, 177, 188, 0.22);
  border-color: rgba(97, 177, 188, 0.55);
}

.tutorial-card-footer {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  padding: clamp(16px, 3vw, 24px);
}

.tutorial-card-step {
  flex-shrink: 0;
  font-family: var(--serif);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  line-height: 1;
  color: rgba(97, 177, 188, 0.85);
  opacity: 0.9;
}

.tutorial-card-copy {
  min-width: 0;
  flex: 1;
}

.tutorial-card-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.tutorial-card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
  transition: color 0.2s var(--ease-out), gap 0.25s var(--ease-out);
}

.tutorial-card:hover .tutorial-card-action {
  color: #fff;
  gap: 10px;
}

/* ---------- Modale vidéo ---------- */
.tutorial-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 3vw, 32px);
  padding-top: max(12px, env(safe-area-inset-top));
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  background: rgba(3, 15, 30, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.tutorial-modal.is-open {
  display: flex;
}

.tutorial-modal-panel {
  position: relative;
  width: min(1120px, 100%);
  max-height: min(94dvh, 920px);
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.5vw, 20px);
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline-2);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(97, 177, 188, 0.1), transparent 55%),
    linear-gradient(165deg, rgba(8, 44, 82, 0.94) 0%, rgba(4, 18, 34, 0.98) 100%);
  box-shadow: var(--shadow-2);
}

.tutorial-modal-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 48px;
}

.tutorial-modal-kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.tutorial-modal-title {
  font-family: var(--serif);
  font-size: clamp(20px, 3.2vw, 30px);
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.tutorial-modal-close {
  position: absolute;
  top: max(14px, env(safe-area-inset-top));
  right: 14px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 0.2s, background 0.2s;
}

.tutorial-modal-close:hover {
  border-color: rgba(97, 177, 188, 0.45);
  background: rgba(97, 177, 188, 0.14);
}

.tutorial-modal-body {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 0;
}

.tutorial-modal-nav {
  width: 46px;
  height: 46px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: border-color 0.2s, background 0.2s, transform 0.2s var(--ease-out);
}

.tutorial-modal-nav:hover:not(:disabled) {
  border-color: rgba(97, 177, 188, 0.45);
  background: rgba(97, 177, 188, 0.14);
  transform: translateY(-1px);
}

.tutorial-modal-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.tutorial-modal-video-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: min(52dvh, 520px);
  background: #000;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.tutorial-modal-video-wrap video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.tutorial-modal-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scroll-snap-type: x proximity;
}

.tutorial-thumb {
  position: relative;
  flex: 0 0 auto;
  width: 128px;
  scroll-snap-align: start;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: transparent;
  opacity: 0.72;
  transition: opacity 0.2s, border-color 0.2s, transform 0.2s var(--ease-out);
}

.tutorial-thumb.is-active,
.tutorial-thumb:hover {
  opacity: 1;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.tutorial-thumb img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.tutorial-thumb-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.38);
}

.tutorial-thumb-play img {
  width: 22px;
  height: 22px;
  aspect-ratio: auto;
}

.tutorial-modal-mobile-nav {
  display: none;
}

/* ---------- Desktop : sidebar + timeline ---------- */
@media (min-width: 900px) {
  .tutorial-category-layout {
    grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 56px);
    padding-bottom: clamp(28px, 4vw, 40px);
    border-bottom: 1px solid var(--hairline);
  }

  .tutorial-category:last-child .tutorial-category-layout {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .tutorial-category-aside {
    position: sticky;
    top: calc(88px + env(safe-area-inset-top, 0px));
  }

  .tutorial-stack {
    position: relative;
    padding-left: 28px;
  }

  .tutorial-stack::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, rgba(97, 177, 188, 0.45), rgba(97, 177, 188, 0.08));
  }

  .tutorial-stack-item {
    position: relative;
  }

  .tutorial-stack-item::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 28px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent-soft);
    box-shadow: 0 0 0 4px rgba(97, 177, 188, 0.15);
  }
}

@media (max-width: 899px) {
  .tutorial-category-toggle {
    display: inline-flex;
  }

  .tutorial-category-panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.45s var(--ease-out);
  }

  .tutorial-category-panel > .tutorial-stack {
    overflow: hidden;
    min-height: 0;
  }

  .tutorial-category.is-expanded .tutorial-category-panel {
    grid-template-rows: 1fr;
  }

  .tutorial-category:first-child .tutorial-category-panel {
    grid-template-rows: 1fr;
  }

  .tutorial-category:first-child .tutorial-category-toggle {
    border-color: rgba(97, 177, 188, 0.45);
  }

  .tutorial-category:first-child .tutorial-category-toggle-caret {
    transform: rotate(180deg);
  }

  .tutorial-card-play {
    width: 60px;
    height: 60px;
  }

  .tutorial-card-play svg {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 719px) {
  .tutorial-modal-body {
    grid-template-columns: 1fr;
  }

  .tutorial-modal-body > .tutorial-modal-nav {
    display: none;
  }

  .tutorial-modal-mobile-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
  }

  .tutorial-modal-mobile-nav .tutorial-modal-nav {
    display: grid;
    flex: 1;
  }

  .tutorial-modal-video-wrap {
    max-height: min(44dvh, 400px);
  }
}

@media (min-width: 900px) {
  .tutorial-modal-mobile-nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tutorial-card:hover {
    transform: none;
  }

  .tutorial-card:hover .tutorial-card-media img,
  .tutorial-card:hover .tutorial-card-play {
    transform: none;
  }

  .tutorial-category-panel {
    transition: none;
  }
}