/* Legacy Sylka page styles for migrated page-* templates */

/* === tokens === */
/* Sylka Dark Premium deprecated. LITHED Light content since 2026-05-20.
   Legacy naming is intentionally kept to avoid reference churn. */

/* Webfonts are loaded from page <head> using Google Fonts links. */

:root {
  /* Brand palette */
  --abysse: #1b263b;
  --electrique: #415a77;
  --orange-ht: #f28c28;
  --orange-ht-dark: #d9761f;
  --acier: #e0e1dd;
  --blanc: #ffffff;
  --photo-bg: #f8f8f8;

  /* Functional */
  --bg-page: var(--acier);
  --bg-surface: var(--blanc);
  --bg-dark: var(--abysse);

  --fg-primary: var(--abysse);
  --fg-secondary: var(--electrique);
  --fg-on-dark: var(--acier);
  --fg-muted: #8a8a87;
  --fg-accent: var(--orange-ht);

  --border-default: var(--acier);
  --border-hover: var(--electrique);
  --border-strong: var(--abysse);
  --focus-ring: var(--electrique);

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;

  --fs-display: clamp(2.5rem, 4vw, 4rem);
  --fs-h1: clamp(2rem, 3vw, 3rem);
  --fs-h2: clamp(1.5rem, 2.2vw, 2.25rem);
  --fs-h3: 1.5rem;
  --fs-h4: 1.25rem;
  --fs-body: 1rem;
  --fs-sm: 0.875rem;
  --fs-xs: 0.75rem;
  --fs-eyebrow: 0.75rem;

  --lh-display: 1.05;
  --lh-heading: 1.15;
  --lh-body: 1.6;
  --lh-tight: 1.3;

  --tracking-display: -0.02em;
  --tracking-eyebrow: 0.18em;

  /* Spacing */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 80px;
  --space-8: 128px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --border-hairline: 1px;
  --border-thick: 2px;

  --container-max: 1280px;
  --grid-gutter: 32px;

  --dur-fast: 150ms;
  --dur-base: 200ms;
  --easing: cubic-bezier(0.2, 0, 0.2, 1);
}

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

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-page);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--orange-ht);
  color: var(--blanc);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  color: var(--fg-primary);
  line-height: var(--lh-heading);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  margin: 0;
  line-height: var(--lh-body);
}

a {
  color: var(--fg-accent);
  text-decoration: none;
}

a:hover {
  color: var(--orange-ht-dark);
}

a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.lt-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-secondary);
}

@media (max-width: 768px) {
  :root {
    --grid-gutter: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}


/* === components === */
/* Sylka Dark Premium deprecated. LITHED Light content since 2026-05-20.
   Legacy naming is intentionally kept to avoid reference churn. */

.lt-container {
  width: min(var(--container-max), calc(100% - (var(--grid-gutter) * 2)));
  margin-inline: auto;
}

.lt-section {
  padding-block: var(--space-7);
}

.lt-blueprint-bg {
  background-color: var(--bg-page);
  background-image: radial-gradient(circle, rgba(27, 38, 59, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.lt-grid {
  display: grid;
  gap: var(--space-3);
}

.lt-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lt-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lt-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.lt-hero {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: var(--space-5);
  align-items: center;
}

.lt-hero__copy {
  display: grid;
  gap: var(--space-3);
}

.lt-hero__figure {
  margin: 0;
  border: var(--border-hairline) solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--photo-bg);
  overflow: hidden;
}

.lt-hero-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-1);
}

.lt-hero-points li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
}

.lt-hero-points li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--orange-ht);
  flex-shrink: 0;
}

.lt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px 24px;
  border: var(--border-hairline) solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transform: translateZ(0);
  transition: transform var(--dur-fast) var(--easing), opacity var(--dur-fast) var(--easing);
}

.lt-btn:hover {
  transform: translateY(-1px);
}

.lt-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.lt-btn:active {
  transform: scale(0.98);
}

.lt-btn--primary {
  background-color: var(--orange-ht);
  border-color: var(--orange-ht);
  color: var(--blanc);
}

.lt-btn--primary:hover {
  background-color: var(--orange-ht-dark);
  border-color: var(--orange-ht-dark);
}

.lt-btn--secondary {
  background: transparent;
  color: var(--abysse);
  border-color: var(--abysse);
}

.lt-btn--secondary:hover {
  background: var(--abysse);
  color: var(--blanc);
}

.lt-btn--disabled,
.lt-btn[disabled] {
  background: var(--acier);
  color: var(--fg-muted);
  border-color: var(--acier);
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.75;
}

.lt-card {
  background: var(--bg-surface);
  border: var(--border-hairline) solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.lt-card--interactive {
  transition: transform var(--dur-fast) var(--easing), opacity var(--dur-fast) var(--easing);
}

.lt-card--interactive:hover {
  transform: translateY(-2px);
}

.lt-card--interactive:focus-within {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.lt-input {
  width: 100%;
  border: var(--border-hairline) solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--blanc);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  padding: 12px;
}

.lt-input:hover {
  border-color: var(--border-hover);
}

.lt-input:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-color: var(--border-hover);
}

textarea.lt-input {
  min-height: 120px;
  resize: vertical;
}

.lt-form-grid {
  display: grid;
  gap: var(--space-2);
}

.lt-field {
  display: grid;
  gap: 8px;
}

.lt-field label {
  font-size: var(--fs-sm);
  color: var(--fg-secondary);
  font-weight: 600;
}

.lt-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: var(--border-hairline) solid var(--border-default);
  font-size: var(--fs-xs);
  line-height: 1.3;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-secondary);
  background: var(--blanc);
}

.lt-badge--accent {
  background: var(--orange-ht);
  border-color: var(--orange-ht);
  color: var(--blanc);
}

.lt-badge--dark {
  background: var(--abysse);
  border-color: var(--abysse);
  color: var(--blanc);
}

.lt-divider {
  height: 1px;
  width: 100%;
  background: var(--border-default);
}

.lt-divider--dotted {
  height: 0;
  border-top: 1px dotted var(--border-default);
  background: transparent;
}

.lt-divider--accent {
  height: 4px;
  background: var(--orange-ht);
}

.lt-list-clean {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.lt-list-clean li {
  display: flex;
  gap: var(--space-1);
  align-items: flex-start;
}

.lt-list-clean li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--electrique);
  flex-shrink: 0;
}

.lt-metric {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.1;
  color: var(--abysse);
}

.lt-cta-band {
  background: var(--abysse);
  color: var(--fg-on-dark);
  text-align: center;
}

.lt-cta-band h2,
.lt-cta-band p {
  color: var(--fg-on-dark);
}

.lt-cta-band .lt-container {
  display: grid;
  gap: var(--space-3);
  justify-items: center;
}

.lt-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: transform 500ms var(--easing), opacity 500ms var(--easing);
}

.lt-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1024px) {
  .lt-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .lt-section {
    padding-block: var(--space-6);
  }

  .lt-hero {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .lt-grid--3,
  .lt-grid--2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .lt-grid--4 {
    grid-template-columns: 1fr;
  }

  .lt-btn {
    width: 100%;
  }
}


/* === prototype === */
/* Prototype-only styles. Layered on top of sylka-tokens + sylka-components.
   Adds: in-page router visibility, hero variants, density modes,
   card-style variants, container width, accent recolor, page-specific bits. */

:root {
  /* Accent palette — overridden by tweaks JS */
  --accent: var(--orange-ht);
  --accent-dark: var(--orange-ht-dark);

  /* Density scale — overridden by tweaks JS (compact / standard / spacieux) */
  --section-pad: var(--space-7);     /* 80 default */
  --section-pad-y: var(--space-7);
  --stack-gap: var(--space-3);

  /* Container width tweak */
  --container-max: 1280px;
}

/* ── Recolor accent across the design system ─────────────────────────────── */
body[data-accent="orange"]    { --accent: #f28c28; --accent-dark: #d9761f; }
body[data-accent="electrique"]{ --accent: #415a77; --accent-dark: #2f4561; }
body[data-accent="vert"]      { --accent: #1f8a5b; --accent-dark: #156a44; }
body[data-accent="rouge"]     { --accent: #c0392b; --accent-dark: #962b21; }
body[data-accent="abysse"]    { --accent: #1b263b; --accent-dark: #0d1626; }

/* Apply the accent everywhere the design system referenced --orange-ht.
   We can't change vars defined in sylka-tokens, so override component rules
   that depended on it. Keep selectors specific enough to win. */
body .lt-btn--primary       { background-color: var(--accent); border-color: var(--accent); }
body .lt-btn--primary:hover { background-color: var(--accent-dark); border-color: var(--accent-dark); }
body .lt-badge--accent      { background: var(--accent); border-color: var(--accent); }
body .lt-divider--accent    { background: var(--accent); }
body ::selection            { background: var(--accent); }
body .lt-hero-points li::before { background: var(--accent); }
body .timeline .dot         { background: var(--accent); }
body .lt-navlink.is-active  { border-bottom-color: var(--accent); }
body .lt-footer             { border-top-color: var(--accent); }
body .lt-brand:hover,
body .lt-navlink:hover,
body .lt-footer__col a:hover{ color: var(--accent); }
body a                      { color: var(--accent); }
body a:hover                { color: var(--accent-dark); }

/* ── Density modes ───────────────────────────────────────────────────────── */
body[data-density="compact"]    { --section-pad: 48px;  --stack-gap: 16px; }
body[data-density="standard"]   { --section-pad: 80px;  --stack-gap: 24px; }
body[data-density="spacieux"]   { --section-pad: 128px; --stack-gap: 32px; }
body .lt-section { padding-block: var(--section-pad); }

/* ── Container width ─────────────────────────────────────────────────────── */
body[data-container="1120"] { --container-max: 1120px; }
body[data-container="1280"] { --container-max: 1280px; }
body[data-container="1440"] { --container-max: 1440px; }
body .lt-container {
  width: min(var(--container-max), calc(100% - (var(--grid-gutter) * 2)));
}

/* ── Background mode for hero band ───────────────────────────────────────── */
body[data-herobg="uni"]       .pg-hero { background: var(--blanc); background-image: none; }
body[data-herobg="acier"]     .pg-hero { background: var(--acier); background-image: none; }
body[data-herobg="blueprint"] .pg-hero {
  background-color: var(--acier);
  background-image: radial-gradient(circle, rgba(27, 38, 59, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ── Hero variants ───────────────────────────────────────────────────────── */
/* split: 60/40 (default) — already covered by .lt-hero */
body[data-hero="centered"] .pg-hero .lt-hero {
  grid-template-columns: 1fr;
  text-align: center;
  justify-items: center;
  max-width: 760px;
  margin-inline: auto;
}
body[data-hero="centered"] .pg-hero .lt-hero__copy { justify-items: center; }
body[data-hero="centered"] .pg-hero .lt-hero__figure { display: none; }
body[data-hero="centered"] .pg-hero .lt-hero-points { text-align: left; }
body[data-hero="centered"] .pg-hero .pg-hero__cta { justify-content: center; }

body[data-hero="stack"] .pg-hero .lt-hero {
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
body[data-hero="stack"] .pg-hero .lt-hero__figure {
  order: 2;
  aspect-ratio: 16 / 6;
}

/* ── Card style variants ─────────────────────────────────────────────────── */
body[data-cards="border"] .lt-card {
  background: var(--blanc);
  border: var(--border-hairline) solid var(--border-default);
}
body[data-cards="fill"] .lt-card {
  background: var(--acier);
  border-color: transparent;
}
body[data-cards="outlined"] .lt-card {
  background: var(--blanc);
  border: var(--border-thick) solid var(--abysse);
}
body[data-cards="accent"] .lt-card {
  background: var(--blanc);
  border-left: 4px solid var(--accent);
  border-top: var(--border-hairline) solid var(--border-default);
  border-right: var(--border-hairline) solid var(--border-default);
  border-bottom: var(--border-hairline) solid var(--border-default);
}

/* ── Router: only show active page ───────────────────────────────────────── */
.pg { display: none; }
.pg[data-active="true"] { display: block; }

/* ── Common page primitives ──────────────────────────────────────────────── */
.pg-hero { padding-block: var(--section-pad); }
.pg-hero .lt-hero__figure {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}
.pg-hero .lt-hero__figure svg { width: 100%; height: 100%; display: block; }
.pg-hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Eyebrow chip variant for hero — small dot + uppercase text */
.lt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lt-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── Timeline (à-propos) ─────────────────────────────────────────────────── */
.timeline { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--space-3); }
.timeline li { position: relative; padding-left: var(--space-4); }
.timeline li::before {
  content: ""; position: absolute; left: 8px; top: 4px; bottom: -28px;
  width: 1px; background: var(--border-default);
}
.timeline li:last-child::before { display: none; }
.timeline .dot {
  position: absolute; left: 3px; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--blanc);
}
.timeline h3 { margin-bottom: 6px; }
.timeline p { color: var(--fg-secondary); }

/* Stack badges */
.stack { display: flex; flex-wrap: wrap; gap: 8px; }
.stack .lt-badge { text-transform: none; letter-spacing: 0.02em; }

/* ── Case-study cards (cas-clients) — metric-led ─────────────────────────── */
.case-card {
  display: grid;
  gap: 10px;
  align-content: start;
}
.case-card .case-metric {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.05;
  letter-spacing: var(--tracking-display);
  color: var(--abysse);
}
.case-card .case-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}

/* ── Process (audit-gratuit) ─────────────────────────────────────────────── */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  counter-reset: step;
}
.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2);
  border: var(--border-hairline) solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--blanc);
}
.steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--abysse);
  color: var(--blanc);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}
.steps li h4 { margin: 0 0 4px; }
.steps li p { color: var(--fg-secondary); }

/* ── Modalities (formations) ─────────────────────────────────────────────── */
.modality-card svg { color: var(--accent); }
.modality-card h3 { margin-top: 10px; }
.modality-card p { color: var(--fg-secondary); }

/* ── Program meta (formations) ───────────────────────────────────────────── */
.program-meta {
  display: grid;
  gap: 4px;
  font-size: var(--fs-sm);
  color: var(--fg-secondary);
  margin: 10px 0 16px;
}
.program-meta strong { color: var(--fg-primary); font-weight: 600; }

/* ── Contact layout ──────────────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
}
.meta-grid { display: grid; gap: var(--space-2); }
.meta-grid h3 { font-size: 1rem; margin-bottom: 2px; }
.meta-grid p { color: var(--fg-secondary); }

/* ── Simulation results ──────────────────────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}
@media (max-width: 800px) { .metric-grid { grid-template-columns: 1fr; } }
.metric-grid .lt-card { display: grid; gap: 6px; }
.metric-grid .lt-metric { color: var(--abysse); }
.metric-grid p:last-child { color: var(--fg-secondary); font-size: var(--fs-sm); }

/* ── Blog cards ──────────────────────────────────────────────────────────── */
.post-card { display: grid; gap: 10px; }
.post-card .post-meta {
  display: flex; gap: 8px; align-items: center;
  font-size: var(--fs-xs); color: var(--fg-secondary);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.post-card .post-meta::before {
  content: ""; width: 24px; height: 1px; background: var(--accent);
}

/* ── CTA band override (use accent variable, not orange-ht hard-coded) ────── */
body .lt-cta-band .lt-btn--primary { background: var(--accent); border-color: var(--accent); }
body .lt-cta-band .lt-btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

/* ── Hide forms when tweak says so (placeholder mode) ────────────────────── */
body[data-forms="placeholder"] .form-wrap form { display: none; }
body[data-forms="placeholder"] .form-wrap .form-placeholder { display: block; }
.form-placeholder { display: none; }
body:not([data-forms="placeholder"]) .form-placeholder { display: none; }
.form-placeholder {
  padding: var(--space-4);
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--fg-secondary);
  background: var(--bg-page);
}
.form-placeholder code {
  font-family: var(--font-mono);
  background: var(--blanc);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--fg-primary);
}

/* ── Reveal on scroll (toggleable) ───────────────────────────────────────── */
body[data-reveal="off"] .lt-reveal { opacity: 1; transform: none; }

/* ── Tighten footer when density is compact ──────────────────────────────── */
body[data-density="compact"] .lt-footer__grid { padding-block: var(--space-4) var(--space-3); }

/* ── Mobile tweaks ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .pg-hero .lt-hero__figure { aspect-ratio: 4 / 3; }
}
