/* ==========================================================================
   FY WebSite Creation — Design System
   1. Design tokens   2. Reset/Base   3. Typographie   4. Layout/Grid
   5. Composants      6. Utilitaires  7. Animations    8. Responsive
   ========================================================================== */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Couleurs de marque */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F9FA;
  --color-ink: #111111;
  --color-ink-soft: #1E1E1E;
  --color-text: #2B2B2B;
  --color-text-muted: #6B6B6B;
  --color-gold: #C5A059;
  --color-gold-light: #E4CFA0;
  --color-gold-dark: #A9843F;
  --color-accent: #4F46E5;
  --color-border: #E7E5E0;
  --color-surface: #FFFFFF;

  /* États */
  --color-success: #2E7D5B;
  --color-error: #C0392B;

  /* Typographie */
  --font-display: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --fs-xs: clamp(0.78rem, 0.75rem + 0.1vw, 0.85rem);
  --fs-sm: clamp(0.88rem, 0.84rem + 0.15vw, 0.95rem);
  --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --fs-md: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --fs-lg: clamp(1.4rem, 1.25rem + 0.7vw, 1.85rem);
  --fs-xl: clamp(1.85rem, 1.5rem + 1.6vw, 2.9rem);
  --fs-xxl: clamp(2.4rem, 1.7rem + 3vw, 4.2rem);

  --lh-tight: 1.12;
  --lh-snug: 1.32;
  --lh-normal: 1.62;

  /* Espacements (base 4px) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5.5rem;
  --space-12: 8rem;

  /* Layout */
  --container-max: 1220px;
  --container-narrow: 760px;
  --container-pad: var(--space-5);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(17, 17, 17, 0.06), 0 1px 3px rgba(17, 17, 17, 0.08);
  --shadow-md: 0 10px 30px -12px rgba(17, 17, 17, 0.18);
  --shadow-lg: 0 24px 60px -20px rgba(17, 17, 17, 0.28);
  --shadow-gold: 0 10px 26px -10px rgba(197, 160, 89, 0.55);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 160ms var(--ease-out);
  --transition-base: 280ms var(--ease-out);

  /* Z-index */
  --z-header: 100;
  --z-overlay: 200;
  --z-toast: 300;
}

/* ---------- 2. RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }

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

/* ---------- 3. TYPOGRAPHIE ---------- */
h1, h2, h3, h4, .h1, .h2, .h3, .h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}
h1, .h1 { font-size: var(--fs-xxl); }
h2, .h2 { font-size: var(--fs-xl); }
h3, .h3 { font-size: var(--fs-md); line-height: var(--lh-snug); }
h4, .h4 { font-size: var(--fs-base); font-weight: 600; }

p { color: var(--color-text); }
.text-muted { color: var(--color-text-muted); }
.text-lead { font-size: var(--fs-md); color: var(--color-text-muted); line-height: var(--lh-snug); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-dark);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  display: inline-block;
}

.text-gold { color: var(--color-gold-dark); }

/* ---------- 4. LAYOUT / GRID ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container-narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--space-10); }
.section-alt { background: var(--color-bg-alt); }
.section-ink { background: var(--color-ink); color: rgba(255,255,255,0.88); }
.section-ink h2, .section-ink h3 { color: #fff; }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-8);
}
.section-head.center { margin-inline: auto; text-align: center; }

.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

@media (max-width: 980px) {
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-8); }
}

/* ---------- 5. COMPOSANTS ---------- */

/* Header sticky glassmorphism (fond sombre pour la lisibilité du logo clair) */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(17, 17, 17, 0.82);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.logo { display: flex; align-items: center; }
.logo-img { display: block; height: 56px; width: auto; }

.nav-primary { display: flex; align-items: center; gap: var(--space-7); }
.nav-primary a:not(.btn) {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--transition-fast);
}
.nav-primary a:not(.btn)::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--color-gold);
  transition: right var(--transition-base);
}
.nav-primary a:not(.btn):hover { color: #fff; }
.nav-primary a:not(.btn):hover::after,
.nav-primary a[aria-current="page"]::after { right: 0; }
.nav-primary a[aria-current="page"] { color: #fff; }

.nav-links { display: flex; align-items: center; gap: var(--space-8); }
.nav-actions { display: flex; align-items: center; gap: var(--space-4); }

.nav-toggle {
  display: none;
  background: none; border: none; padding: var(--space-2);
  width: 40px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 22px; height: 2px; background: #fff; transition: transform var(--transition-fast), opacity var(--transition-fast); }
.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); }

/* Boutons CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--fs-sm);
  border: 1.5px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--color-gold); color: var(--color-ink); box-shadow: var(--shadow-gold); }
.btn-primary:hover { background: var(--color-ink); color: #fff; box-shadow: var(--shadow-md); }

.btn-dark { background: var(--color-ink); color: #fff; }
.btn-dark:hover { background: var(--color-gold-dark); color: #fff; }

.btn-outline { background: transparent; color: var(--color-ink); border-color: rgba(17,17,17,0.18); }
.btn-outline:hover { border-color: var(--color-ink); background: rgba(17,17,17,0.04); }

.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.6rem 1.15rem; font-size: var(--fs-xs); }

/* Hero */
.hero {
  position: relative;
  padding-block: calc(var(--space-10) + var(--space-4)) var(--space-10);
  background: radial-gradient(circle at 15% 0%, rgba(197,160,89,0.14), transparent 55%), var(--color-bg);
  overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-9); align-items: center; }
.hero-title { margin-block: var(--space-4) var(--space-5); }
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-7); }
.hero-visual {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-ink) 0%, #23201a 55%, var(--color-gold-dark) 130%);
  position: relative;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 16/10; order: -1; }
}

.hero-chip {
  position: absolute;
  background: rgba(255,255,255,0.97);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: var(--space-3);
  font-size: var(--fs-xs); font-weight: 700; color: var(--color-ink);
  max-width: 190px;
}
.hero-chip svg { width: 20px; height: 20px; color: var(--color-gold-dark); flex-shrink: 0; }
.hero-chip-1 { top: 7%; left: 6%; }
.hero-chip-2 { bottom: 9%; right: 6%; }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text);
}
.badge-gold { background: rgba(197,160,89,0.12); border-color: rgba(197,160,89,0.35); color: var(--color-gold-dark); }
.badge svg { width: 16px; height: 16px; flex-shrink: 0; }

.badge-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* Cartes */
.card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(197,160,89,0.4); }

.card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(197,160,89,0.16), rgba(197,160,89,0.05));
  color: var(--color-gold-dark);
  margin-bottom: var(--space-5);
}
.card-icon svg { width: 28px; height: 28px; }

.card-title { margin-bottom: var(--space-2); }
.card-link { display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-4); font-weight: 700; font-size: var(--fs-sm); color: var(--color-ink); }
.card-link svg { width: 16px; height: 16px; transition: transform var(--transition-fast); }
.card:hover .card-link svg { transform: translateX(3px); }

/* Liste engagements */
.commitment { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-4); text-align: left; }
.commitment-icon {
  width: 60px; height: 60px; border-radius: var(--radius-full);
  border: 1.5px solid var(--color-gold);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-gold-dark);
}
.commitment-icon svg { width: 26px; height: 26px; }

/* Accordéons (FAQ / arguments) */
.accordion { border-top: 1px solid var(--color-border); }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  background: none; border: none; text-align: left;
  padding: var(--space-5) var(--space-2);
  font-family: var(--font-display); font-weight: 700; font-size: var(--fs-base);
  color: var(--color-ink);
}
.accordion-icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.accordion-icon::before, .accordion-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  background: var(--color-gold-dark);
  transition: transform var(--transition-base);
}
.accordion-icon::before { width: 14px; height: 2px; transform: translate(-50%, -50%); }
.accordion-icon::after { width: 2px; height: 14px; transform: translate(-50%, -50%); }
.accordion-item[open] .accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }

.accordion-panel { overflow: hidden; padding: 0 var(--space-2) var(--space-5); color: var(--color-text-muted); }

.accordion-item > summary { list-style: none; cursor: pointer; }
.accordion-item > summary::-webkit-details-marker { display: none; }

/* Avis / preuve sociale */
.reviews-card {
  display: flex; align-items: center; gap: var(--space-6);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  flex-wrap: wrap;
}
.reviews-score { font-family: var(--font-display); font-size: var(--fs-xxl); font-weight: 800; color: var(--color-ink); line-height: 1; }
.stars { display: flex; gap: 3px; color: var(--color-gold); }
.stars svg { width: 20px; height: 20px; }
.reviews-meta { display: flex; flex-direction: column; gap: var(--space-2); }

/* Formulaire */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-group label { font-size: var(--fs-sm); font-weight: 600; color: var(--color-ink); }
.form-group .required { color: var(--color-gold-dark); }

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  font-size: var(--fs-base);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.form-control:focus { border-color: var(--color-gold); background: #fff; outline: none; }
textarea.form-control { resize: vertical; min-height: 130px; }

.form-hint { font-size: var(--fs-xs); color: var(--color-text-muted); }
.form-error { font-size: var(--fs-xs); color: var(--color-error); display: none; }
.form-group.has-error .form-control { border-color: var(--color-error); }
.form-group.has-error .form-error { display: block; }

.checkbox-row { display: flex; align-items: flex-start; gap: var(--space-3); }
.checkbox-row input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--color-gold-dark); flex-shrink: 0; }
.checkbox-row label { font-size: var(--fs-sm); color: var(--color-text-muted); }

.form-status { padding: var(--space-4); border-radius: var(--radius-sm); font-size: var(--fs-sm); font-weight: 600; display: none; margin-bottom: var(--space-5); }
.form-status.success { display: block; background: rgba(46,125,91,0.1); color: var(--color-success); }
.form-status.error { display: block; background: rgba(192,57,43,0.1); color: var(--color-error); }

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Table tarifs / process */
.process-steps { counter-reset: step; display: grid; gap: var(--space-6); grid-template-columns: repeat(3, 1fr); }
.process-step { position: relative; padding-top: var(--space-8); }
.process-step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0;
  font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 800;
  color: var(--color-gold-light);
  -webkit-text-stroke: 1.5px var(--color-gold);
}
@media (max-width: 900px) { .process-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .process-steps { grid-template-columns: 1fr; } }

.pricing-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.pricing-table th, .pricing-table td { padding: var(--space-4) var(--space-5); text-align: left; border-bottom: 1px solid var(--color-border); }
.pricing-table th { font-family: var(--font-display); font-size: var(--fs-sm); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table .price { font-weight: 800; color: var(--color-ink); font-family: var(--font-display); }

/* Breadcrumb */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); font-size: var(--fs-xs); color: var(--color-text-muted); padding-block: var(--space-5); }
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-gold-dark); }
.breadcrumb span[aria-hidden] { opacity: 0.5; }
.breadcrumb [aria-current] { color: var(--color-ink); font-weight: 600; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-ink), #23201a);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
  text-align: center;
  color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.72); }

/* Blog cards */
.blog-card { display: flex; flex-direction: column; }
.blog-card-meta { display: flex; gap: var(--space-3); font-size: var(--fs-xs); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.blog-card time { font-weight: 600; }
article.post-content h2 { margin-top: var(--space-8); margin-bottom: var(--space-4); }
article.post-content h3 { margin-top: var(--space-6); margin-bottom: var(--space-3); }
article.post-content p { margin-bottom: var(--space-5); }
article.post-content ul, article.post-content ol { margin-bottom: var(--space-5); padding-left: var(--space-6); list-style: disc; }
article.post-content ol { list-style: decimal; }
article.post-content li { margin-bottom: var(--space-2); }
article.post-content blockquote {
  border-left: 3px solid var(--color-gold);
  padding-left: var(--space-5);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-5);
}

/* Footer */
.site-footer { background: var(--color-ink); color: #FFFFFF; padding-block: var(--space-10) var(--space-6); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-8); margin-bottom: var(--space-9); }
.footer-col h4 { color: #fff; margin-bottom: var(--space-4); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--fs-sm); transition: color var(--transition-fast); }
.footer-col a:hover { color: var(--color-gold); }
.footer-logo { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; color: #fff; margin-bottom: var(--space-4); }
.footer-logo span { color: var(--color-gold); }
.payment-icons { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-5); }
.payment-icons .badge { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.14); color: #FFFFFF; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: var(--space-6); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); font-size: var(--fs-xs); }
.footer-bottom a:hover { color: var(--color-gold); }
.social-row { display: flex; gap: var(--space-3); }
.social-row a { width: 38px; height: 38px; border-radius: var(--radius-full); border: 1px solid rgba(255,255,255,0.16); display: flex; align-items: center; justify-content: center; transition: border-color var(--transition-fast), background var(--transition-fast); }
.social-row a:hover { border-color: var(--color-gold); background: rgba(197,160,89,0.1); }
.social-row svg { width: 16px; height: 16px; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--color-ink); color: #fff; padding: var(--space-3) var(--space-5);
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* 404 */
.error-page { text-align: center; padding-block: var(--space-12); }
.error-code { font-family: var(--font-display); font-size: clamp(4rem, 8vw, 9rem); font-weight: 800; color: var(--color-gold-light); -webkit-text-stroke: 2px var(--color-gold); line-height: 1; }

/* ---------- 6. UTILITAIRES ---------- */
.mt-2 { margin-top: var(--space-2); } .mt-4 { margin-top: var(--space-4); } .mt-6 { margin-top: var(--space-6); } .mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); } .mb-4 { margin-bottom: var(--space-4); } .mb-6 { margin-bottom: var(--space-6); } .mb-8 { margin-bottom: var(--space-8); }
.text-center { text-align: center; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- 7. ANIMATIONS ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { animation: fadeUp 0.6s var(--ease-out) both; }

/* ---------- 8. RESPONSIVE (nav mobile) ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 76px 0 0 0;
    background: rgba(17, 17, 17, 0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--container-pad);
    gap: var(--space-5);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-primary { width: 100%; justify-content: space-between; }
  .nav-actions { flex-direction: column; align-items: flex-start; width: 100%; }
  .nav-actions .btn { width: 100%; }
}