/* ============================================
   Référencement Expert-Comptable — v2
   Palette : charbon profond / émeraude / bronze / ivoire sauge
   ============================================ */

:root {
  --charcoal: #161f1b;
  --charcoal-light: #223029;
  --charcoal-soft: #2c3d34;
  --emerald: #2f9e7c;
  --emerald-dark: #227a5f;
  --emerald-pale: #e3efe9;
  --bronze: #c08a4e;
  --bronze-dark: #9c6d38;
  --ivory: #eff1ea;
  --ivory-dark: #e0e3d6;
  --ink: #151a17;
  --slate: #566058;
  --white: #ffffff;

  --font-display: "Newsreader", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-s: 7px;
  --radius-m: 16px;
  --radius-l: 30px;

  --shadow-card: 0 14px 32px -16px rgba(21, 26, 23, 0.28);
  --shadow-card-hover: 0 24px 48px -18px rgba(21, 26, 23, 0.38);

  --max-width: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--ivory);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--charcoal);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bronze-dark);
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  display: inline-block;
}

:focus-visible { outline: 2px solid var(--emerald); outline-offset: 3px; border-radius: 4px; }

/* ---------- Barre de progression de scroll ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--emerald), var(--bronze));
  z-index: 100;
  transition: width 0.1s linear;
}

/* ---------- Bandeau d'annonce ---------- */
.announce { background: var(--charcoal); color: var(--ivory); text-align: center; font-size: 0.85rem; padding: 9px 16px; }
.announce strong { color: #a9dfcb; font-weight: 600; }

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 40;
  background: rgba(239, 241, 234, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ivory-dark);
  transition: box-shadow 0.25s ease;
}
header.site.scrolled { box-shadow: 0 8px 24px -16px rgba(21, 26, 23, 0.35); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; transition: padding 0.25s ease; }
header.site.scrolled .nav { padding: 11px 24px; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--charcoal); display: flex; align-items: center; gap: 8px; }
.logo span.dot { color: var(--emerald); }
.nav-links { display: flex; gap: 28px; font-size: 0.92rem; font-weight: 500; }
.nav-links a { position: relative; opacity: 0.78; transition: opacity 0.15s; padding-bottom: 3px; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--emerald); transition: right 0.2s ease; }
.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.nav-links a.active { opacity: 1; }
.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 38px; height: 38px; border: 1px solid var(--ivory-dark); border-radius: var(--radius-s); background: var(--white); cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 0 auto; background: var(--charcoal); transition: transform 0.25s ease, opacity 0.2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Boutons (avec effet de balayage au survol) ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-s);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}
.btn:hover::before { transform: translateX(120%); }
.btn-primary { background: var(--emerald); color: var(--white); }
.btn-primary:hover { background: var(--emerald-dark); transform: translateY(-1px); box-shadow: 0 10px 22px -10px rgba(47,158,124,0.55); }
.btn-ghost { background: transparent; color: var(--charcoal); border-color: var(--charcoal); }
.btn-ghost:hover { background: var(--charcoal); color: var(--ivory); }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ---------- Bouton flottant ---------- */
.floating-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.floating-cta.visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

/* ---------- Hero ---------- */
.hero { padding-top: 72px; padding-bottom: 0; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  top: -20%; left: 50%;
  width: 900px; height: 900px;
  background:
    radial-gradient(circle at 30% 30%, rgba(47,158,124,0.16), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(192,138,78,0.14), transparent 55%);
  transform: translateX(-50%);
  pointer-events: none;
  animation: driftBlob 22s ease-in-out infinite;
}
@keyframes driftBlob {
  0%, 100% { transform: translateX(-50%) translateY(0) scale(1); }
  50% { transform: translateX(-46%) translateY(20px) scale(1.05); }
}
@media (prefers-reduced-motion: reduce) { .hero::before { animation: none; } }

.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; padding-bottom: 56px; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2rem, 3.6vw, 3.1rem); margin-top: 14px; }
.hero h1 .accent { color: var(--bronze-dark); font-style: italic; }
.hero p.lead { font-size: 1.1rem; color: var(--slate); max-width: 48ch; margin-top: 18px; }
.hero-ctas { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 0.85rem; color: var(--slate); }
.reassure { display: flex; gap: 22px; margin-top: 34px; flex-wrap: wrap; font-size: 0.88rem; }
.reassure .stars { color: var(--bronze); letter-spacing: 2px; }
.checklist { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; font-size: 0.9rem; list-style: none; padding: 0; }
.checklist li { display: flex; gap: 8px; align-items: baseline; }
.checklist li::before { content: "✓"; color: var(--emerald-dark); font-weight: 700; }

.hero-visual {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, var(--charcoal) 0%, var(--charcoal-soft) 130%);
  display: flex;
  align-items: flex-end;
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.hero-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-visual .tag {
  position: relative; z-index: 2;
  background: rgba(239, 241, 234, 0.95);
  color: var(--charcoal);
  padding: 14px 18px;
  border-radius: var(--radius-m);
  font-size: 0.9rem; font-style: italic;
  font-family: var(--font-display);
}
.hero-visual::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(180deg, rgba(22,31,27,0.05) 0%, rgba(22,31,27,0.55) 100%),
    radial-gradient(circle at 20% 25%, rgba(255,255,255,0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(192,138,78,0.30), transparent 45%);
}

.divider { display: block; width: 100%; height: 60px; margin-top: -1px; position: relative; z-index: 1; }

/* ---------- Bande de confiance ---------- */
.trust { background: var(--charcoal); padding: 22px 0; }
.trust .wrap { display: flex; align-items: center; justify-content: center; gap: 42px; flex-wrap: wrap; color: rgba(239, 241, 234, 0.75); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- Sections génériques ---------- */
section { padding: 80px 0; }
.section-head { max-width: 640px; margin: 0 auto 46px; text-align: center; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 12px; }
.section-head p { color: var(--slate); margin-top: 12px; font-size: 1.02rem; }

/* ---------- Avant / Après ---------- */
.shift { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.shift-card { border-radius: var(--radius-m); padding: 32px; }
.shift-card.bad { background: var(--white); border: 1px dashed #cbbfae; opacity: 0.9; }
.shift-card.good { background: var(--emerald-pale); border: 1px solid #c7ddd2; }
.shift-card h3 { font-size: 1.05rem; margin-bottom: 18px; font-family: var(--font-body); font-weight: 700; }
.shift-card ul { margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.shift-card li { list-style: none; display: flex; gap: 10px; font-size: 0.95rem; }
.shift-card.bad li::before { content: "✕"; color: #a15a3a; font-weight: 700; }
.shift-card.good li::before { content: "✓"; color: var(--emerald-dark); font-weight: 700; }

/* ---------- Méthode ---------- */
.method { background: var(--white); }
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  background: var(--ivory);
  border-radius: var(--radius-m);
  padding: 26px 22px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.step:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); background: var(--white); }
.step .num { font-family: var(--font-display); font-size: 2rem; color: var(--bronze-dark); font-style: italic; }
.step h3 { font-size: 1.02rem; margin-top: 10px; font-family: var(--font-body); font-weight: 700; }
.step p { font-size: 0.88rem; color: var(--slate); margin-top: 8px; }

/* ---------- Simulateur interactif ---------- */
.estimator {
  background: var(--charcoal);
  color: var(--ivory);
  position: relative;
  overflow: hidden;
}
.estimator::before {
  content: "";
  position: absolute;
  right: -10%; top: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(47,158,124,0.22), transparent 60%);
  pointer-events: none;
}
.estimator .section-head h2 { color: var(--ivory); }
.estimator .section-head p { color: rgba(239,241,234,0.72); }
.estimator-card {
  position: relative;
  z-index: 1;
  background: var(--charcoal-light);
  border: 1px solid rgba(239,241,234,0.12);
  border-radius: var(--radius-l);
  padding: 44px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: center;
}
.estimator-controls label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(239,241,234,0.85);
  display: flex;
  justify-content: space-between;
}
.estimator-controls .hint { font-size: 0.8rem; color: rgba(239,241,234,0.55); margin-top: 4px; margin-bottom: 18px; }
.estimator-controls input[type="range"] {
  width: 100%;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: rgba(239,241,234,0.18);
  outline: none;
  margin-top: 10px;
}
.estimator-controls input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--emerald);
  border: 3px solid var(--ivory);
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.estimator-controls input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--emerald);
  border: 3px solid var(--ivory);
  cursor: pointer;
}
.estimator-result { text-align: center; }
.estimator-result .big-num {
  font-family: var(--font-display);
  font-size: 3.6rem;
  color: var(--emerald);
  line-height: 1;
}
.estimator-result .big-label { font-size: 0.9rem; color: rgba(239,241,234,0.7); margin-top: 8px; }
.estimator-result .sub-note { font-size: 0.78rem; color: rgba(239,241,234,0.45); margin-top: 18px; line-height: 1.5; }

/* ---------- Tarifs ---------- */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 auto 40px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--slate);
}
.pricing-toggle .switch {
  position: relative;
  width: 52px; height: 28px;
  background: var(--ivory-dark);
  border-radius: 999px;
  cursor: pointer;
  border: none;
  padding: 0;
}
.pricing-toggle .switch::after {
  content: "";
  position: absolute;
  top: 3px; left: 3px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--charcoal);
  transition: transform 0.25s ease;
}
.pricing-toggle .switch.on { background: var(--emerald-pale); }
.pricing-toggle .switch.on::after { transform: translateX(24px); background: var(--emerald); }
.pricing-toggle .save-badge {
  font-size: 0.75rem;
  background: var(--emerald-pale);
  color: var(--emerald-dark);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 700;
}

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  background: var(--white);
  border-radius: var(--radius-m);
  padding: 34px 28px;
  border: 1px solid var(--ivory-dark);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.price-card:hover { box-shadow: var(--shadow-card-hover); }
.price-card.featured { background: var(--charcoal); color: var(--ivory); border-color: var(--charcoal); }
.price-card.featured h3, .price-card.featured .price { color: var(--ivory); }
.badge-pop { align-self: flex-start; background: var(--emerald); color: var(--white); font-size: 0.72rem; font-weight: 700; padding: 5px 12px; border-radius: 20px; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.04em; }
.price-card h3 { font-family: var(--font-body); font-size: 1.05rem; font-weight: 700; }
.price-card .price { font-family: var(--font-display); font-size: 2.1rem; color: var(--charcoal); margin: 14px 0 4px; transition: opacity 0.15s ease; }
.price-card .price small { font-size: 0.9rem; font-family: var(--font-body); font-weight: 500; opacity: 0.7; }
.price-card ul { list-style: none; padding: 0; margin: 22px 0 28px; display: flex; flex-direction: column; gap: 12px; font-size: 0.92rem; }
.price-card li::before { content: "✓ "; color: var(--emerald-dark); font-weight: 700; }
.price-card.featured li::before { color: var(--emerald); }
.price-card .btn { margin-top: auto; justify-content: center; }

/* ---------- Stats ---------- */
.stats { background: var(--emerald-pale); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat .num { font-family: var(--font-display); font-size: 2.6rem; color: var(--charcoal); }
.stat .label { font-size: 0.88rem; color: var(--slate); margin-top: 4px; }

/* ---------- Cas clients ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { background: var(--white); border-radius: var(--radius-m); padding: 28px; border-left: 4px solid var(--bronze); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.case-card .sector { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--bronze-dark); font-weight: 700; }
.case-card h3 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 700; margin-top: 8px; }
.case-card .result { margin-top: 14px; font-size: 0.92rem; color: var(--charcoal); font-weight: 600; }
.case-card .result::before { content: "↗ "; color: var(--emerald-dark); }

/* ---------- Témoignages : carrousel ---------- */
.testimonials { background: var(--charcoal); color: var(--ivory); }
.testimonials .section-head h2 { color: var(--ivory); }
.testimonials .section-head p { color: rgba(239,241,234,0.72); }
.testi-carousel { position: relative; max-width: 720px; margin: 0 auto; overflow: hidden; }
.testi-track { display: flex; transition: transform 0.5s cubic-bezier(.65,0,.35,1); }
.testi-slide { flex: 0 0 100%; padding: 4px; }
.testi-card { background: var(--charcoal-light); border-radius: var(--radius-m); padding: 32px; border: 1px solid rgba(239,241,234,0.12); text-align: center; }
.testi-card .stars { color: var(--bronze); letter-spacing: 2px; font-size: 1rem; }
.testi-card p.quote { margin: 16px 0 18px; font-style: italic; font-size: 1.05rem; line-height: 1.6; font-family: var(--font-display); }
.testi-card .role { font-size: 0.82rem; color: rgba(239,241,234,0.6); }
.testi-dots { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.testi-dots button {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(239,241,234,0.3);
  border: none; padding: 0; cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.testi-dots button.active { background: var(--emerald); transform: scale(1.25); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--ivory-dark); }
.faq-q {
  width: 100%; background: none; border: none; text-align: left;
  padding: 20px 4px; font-family: var(--font-body); font-size: 1rem; font-weight: 600;
  color: var(--charcoal); display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; cursor: pointer;
}
.faq-q .plus { font-size: 1.3rem; color: var(--emerald-dark); line-height: 1.3; flex-shrink: 0; transition: transform 0.2s ease; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.25s ease, padding 0.25s ease; font-size: 0.95rem; color: var(--slate); padding: 0 4px; }
.faq-item.open .faq-a { max-height: 260px; padding: 0 4px 20px; }

/* ---------- CTA final + formulaire ---------- */
.cta-final {
  background: linear-gradient(150deg, var(--charcoal), var(--charcoal-soft));
  color: var(--ivory); text-align: center; border-radius: var(--radius-l);
  padding: 56px 32px; margin: 0 24px; max-width: calc(var(--max-width) - 48px); margin-inline: auto;
}
.cta-final h2 { color: var(--ivory); font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-final p { margin-top: 12px; color: rgba(239,241,234,0.8); }

.contact-card {
  background: var(--white);
  border-radius: var(--radius-l);
  padding: 40px;
  max-width: 760px;
  margin: -56px auto 0;
  position: relative;
  box-shadow: var(--shadow-card-hover);
  border: 1px solid var(--ivory-dark);
}
.contact-card-head { text-align: center; margin-bottom: 28px; }
.contact-card-head h3 { font-size: 1.4rem; font-family: var(--font-display); }
.contact-card-head p { color: var(--slate); margin-top: 6px; font-size: 0.95rem; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--charcoal); }
.form-field input, .form-field textarea {
  font-family: var(--font-body); font-size: 0.95rem; padding: 12px 14px;
  border-radius: var(--radius-s); border: 1px solid var(--ivory-dark);
  background: var(--ivory); color: var(--ink); resize: vertical;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--emerald); background: var(--white); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .btn { align-self: center; margin-top: 6px; min-width: 240px; justify-content: center; }
.form-note { text-align: center; font-size: 0.88rem; min-height: 1.2em; margin: 0; }
.form-note.success { color: var(--emerald-dark); font-weight: 600; }
.form-note.error { color: #a15a3a; font-weight: 600; }
.form-note a { text-decoration: underline; }

/* ---------- Footer ---------- */
footer.site { padding: 60px 0 30px; font-size: 0.86rem; color: var(--slate); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; padding-bottom: 34px; border-bottom: 1px solid var(--ivory-dark); }
.footer-grid h4 { font-size: 0.85rem; color: var(--charcoal); margin-bottom: 14px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a:hover { color: var(--emerald-dark); }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- Apparition au scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-group.visible .reveal-child:nth-child(1) { transition-delay: 0s; }
.reveal-group.visible .reveal-child:nth-child(2) { transition-delay: 0.08s; }
.reveal-group.visible .reveal-child:nth-child(3) { transition-delay: 0.16s; }
.reveal-group.visible .reveal-child:nth-child(4) { transition-delay: 0.24s; }
.reveal-child { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal-group.visible .reveal-child { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal, .reveal-child { opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; aspect-ratio: 16/9; }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { order: -1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .shift { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .estimator-card { grid-template-columns: 1fr; padding: 32px 26px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--ivory);
    border-bottom: 1px solid var(--ivory-dark);
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .nav-links.open { max-height: 320px; }
  .nav-links a { padding: 14px 24px; border-top: 1px solid var(--ivory-dark); }
  .nav-links a::after { display: none; }
  .nav-cta > .btn-primary { display: none; }
  .nav-mobile-cta { display: flex; opacity: 1; padding: 12px 22px; margin: 18px 24px 20px; justify-content: center; }
  .floating-cta { right: 16px; bottom: 16px; }
}
@media (min-width: 901px) { .nav-mobile-cta { display: none; } }

@media (max-width: 640px) {
  .announce { font-size: 0.76rem; padding: 8px 14px; line-height: 1.4; }
  section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .hero { padding-top: 40px; }
  .hero-grid { padding-bottom: 40px; gap: 36px; }
  .hero h1 { font-size: clamp(1.7rem, 7vw, 2.1rem); }
  .hero p.lead { font-size: 1rem; }
  .hero-ctas .btn { flex: 1 1 auto; justify-content: center; }
  .divider { height: 34px; }
  .trust .wrap { gap: 20px 26px; font-size: 0.72rem; }
  .method-steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .stat .num { font-size: 2.1rem; }
  .estimator-result .big-num { font-size: 2.8rem; }
  .cta-final { padding: 40px 22px; margin: 0 16px; }
  .contact-card { padding: 28px 22px; margin-top: -32px; border-radius: var(--radius-m); }
  .form-row { grid-template-columns: 1fr; gap: 14px; }
  .contact-form .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}