/* =================================================================
   Sub2Cad — Landing page
   Stack: HTML + CSS + JS vanilla — déployable Netlify sans build
   Auteur: Sub2Cad (Ancenis-Saint-Géréon · Réseau Ohmycad)
   ================================================================= */

/* ---------- 1. Tokens (light = default) ---------- */
:root {
  /* Brand */
  --c-primary:        #2A2D8F;  /* indigo wordmark */
  --c-primary-600:    #2025a0;
  --c-primary-700:    #1a1d75;
  --c-primary-500:    #3d40a8;
  --c-cyan:           #00AEEF;  /* cloud icon */
  --c-cyan-400:       #33beef;
  --c-cyan-600:       #0090c8;
  --c-accent:         #E63946;  /* SOLIDWORKS red — used parcimonieusement */
  --c-accent-600:     #c92534;

  /* Neutrals (light) */
  --c-bg:             #ffffff;
  --c-bg-elev:        #ffffff;
  --c-bg-alt:         #f6f7fb;
  --c-bg-soft:        #fafbff;
  --c-bg-dark:        #0a0c20;       /* used for dark-on-light sections */
  --c-fg:             #0B0D2A;
  --c-fg-muted:       #5b6079;
  --c-fg-subtle:      #8a8fa6;
  --c-border:         rgba(11, 13, 42, 0.08);
  --c-border-strong:  rgba(11, 13, 42, 0.14);
  --c-overlay:        rgba(11, 13, 42, 0.04);

  /* Effects */
  --shadow-sm:  0 1px 2px rgba(11, 13, 42, 0.04), 0 1px 1px rgba(11, 13, 42, 0.03);
  --shadow-md:  0 4px 12px rgba(11, 13, 42, 0.06), 0 2px 4px rgba(11, 13, 42, 0.04);
  --shadow-lg:  0 24px 60px -20px rgba(11, 13, 42, 0.18), 0 8px 24px -12px rgba(11, 13, 42, 0.08);
  --shadow-xl:  0 40px 100px -30px rgba(11, 13, 42, 0.32), 0 12px 36px -10px rgba(11, 13, 42, 0.12);
  --shadow-glow: 0 0 0 1px rgba(42, 45, 143, 0.08), 0 30px 80px -20px rgba(0, 174, 239, 0.25);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Geometry */
  --radius-sm: 6px;
  --radius:    10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* Container */
  --container: 1240px;
  --container-tight: 1080px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 220ms;

  /* Gradients */
  --grad-text: linear-gradient(135deg, #2A2D8F 0%, #00AEEF 100%);
  --grad-text-warm: linear-gradient(135deg, #2A2D8F 0%, #E63946 100%);
  --grad-cta: linear-gradient(135deg, #2A2D8F 0%, #3d40a8 100%);
  --grad-bg-soft: radial-gradient(1200px 600px at 80% -10%, rgba(0,174,239,0.10), transparent 60%),
                  radial-gradient(900px 500px at -10% 20%, rgba(42,45,143,0.08), transparent 60%);
  --grad-mesh-dark: radial-gradient(1000px 500px at 80% 0%, rgba(0,174,239,0.18), transparent 60%),
                    radial-gradient(800px 500px at -10% 80%, rgba(230,57,70,0.10), transparent 60%),
                    linear-gradient(180deg, #0a0c20 0%, #161a52 100%);
}

/* ---------- 1b. Dark theme ---------- */
[data-theme="dark"] {
  --c-bg:             #08091a;
  --c-bg-elev:        #0f1230;
  --c-bg-alt:         #0c0e24;
  --c-bg-soft:        #0a0c20;
  --c-fg:             #f1f3ff;
  --c-fg-muted:       #a8aed1;
  --c-fg-subtle:      #6a6f96;
  --c-border:         rgba(255, 255, 255, 0.08);
  --c-border-strong:  rgba(255, 255, 255, 0.16);
  --c-overlay:        rgba(255, 255, 255, 0.04);

  --shadow-sm:  0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg:  0 24px 60px -20px rgba(0,0,0,0.6), 0 8px 24px -12px rgba(0,0,0,0.4);
  --shadow-xl:  0 40px 100px -30px rgba(0,0,0,0.7), 0 12px 36px -10px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 0 1px rgba(255,255,255,0.06), 0 30px 80px -20px rgba(0, 174, 239, 0.35);

  --grad-bg-soft: radial-gradient(1200px 600px at 80% -10%, rgba(0,174,239,0.16), transparent 60%),
                  radial-gradient(900px 500px at -10% 20%, rgba(42,45,143,0.20), transparent 60%);
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
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; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--c-fg);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; color: var(--c-fg); }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); letter-spacing: -0.035em; line-height: 1.04; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); letter-spacing: -0.028em; line-height: 1.1; }
h3 { font-size: 1.15rem; letter-spacing: -0.015em; }
p  { margin: 0; color: var(--c-fg-muted); text-wrap: pretty; }
a  { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; padding: 0; }

::selection { background: var(--c-cyan); color: #fff; }

/* ---------- 3. Utilities ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.container--tight { max-width: var(--container-tight); }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section--alt { background: var(--c-bg-alt); }
.section--dark { background: var(--c-bg-dark); color: #fff; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: rgba(255,255,255,0.7); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--c-accent);
}
.eyebrow::before {
  content: ''; width: 24px; height: 1px; background: var(--c-accent);
}
.eyebrow--muted { color: var(--c-fg-muted); }
.eyebrow--muted::before { background: var(--c-fg-muted); }
.section--dark .eyebrow--muted { color: rgba(255,255,255,0.6); }
.section--dark .eyebrow--muted::before { background: rgba(255,255,255,0.4); }

.lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--c-fg-muted); max-width: 60ch; line-height: 1.6; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.accent-underline {
  position: relative; white-space: nowrap;
}
.accent-underline::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 4px;
  height: 0.18em; background: var(--c-accent);
  border-radius: 2px; opacity: 0.85;
  z-index: -1;
}

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px;
  font-size: 0.92rem; font-weight: 600;
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:focus-visible { outline: 2px solid var(--c-cyan); outline-offset: 2px; }
.btn--primary {
  background: var(--grad-cta);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset,
              0 6px 16px -6px rgba(42,45,143,0.55);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255,255,255,0.2) inset, 0 12px 28px -8px rgba(42,45,143,0.65); }
.btn--ghost {
  background: transparent; color: var(--c-fg);
  border-color: var(--c-border-strong);
}
.btn--ghost:hover { background: var(--c-overlay); border-color: var(--c-fg); }
.section--dark .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.25); }
.section--dark .btn--ghost:hover { background: rgba(255,255,255,0.06); border-color: #fff; }
.btn--accent {
  background: var(--c-accent); color: #fff;
  box-shadow: 0 6px 16px -6px rgba(230,57,70,0.55);
}
.btn--accent:hover { transform: translateY(-1px); background: var(--c-accent-600); }
.btn--lg { height: 52px; padding: 0 26px; font-size: 1rem; }
.btn--sm { height: 36px; padding: 0 14px; font-size: 0.85rem; }
.btn .icon { width: 16px; height: 16px; transition: transform 200ms var(--ease); }
.btn:hover .icon { transform: translateX(3px); }

/* ---------- 5. Header ---------- */
.skip-link {
  position: absolute; top: -100px; left: 12px; z-index: 200;
  background: var(--c-primary); color: #fff;
  padding: 10px 16px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem;
}
.skip-link:focus { top: 12px; }

.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--c-bg) 78%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur), background var(--dur);
}
.header.is-scrolled { border-bottom-color: var(--c-border); background: color-mix(in srgb, var(--c-bg) 90%, transparent); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 72px;
}
.header__logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.header__logo img { height: 38px; width: auto; }
[data-theme="dark"] .header__logo img { filter: brightness(0) invert(1); opacity: 0.95; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  font-size: 0.9rem; font-weight: 500;
  color: var(--c-fg-muted);
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: color var(--dur), background var(--dur);
}
.nav__link:hover { color: var(--c-fg); background: var(--c-overlay); }

.header__actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.theme-toggle {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-fg-muted);
  transition: background var(--dur), color var(--dur);
}
.theme-toggle:hover { background: var(--c-overlay); color: var(--c-fg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon { display: none; }

.drawer-toggle { display: none; width: 38px; height: 38px; border-radius: var(--radius-sm); color: var(--c-fg); }
.drawer-toggle svg { width: 22px; height: 22px; }
.drawer-toggle:hover { background: var(--c-overlay); }

/* Mobile drawer */
@media (max-width: 960px) {
  .nav, .header__cta-desktop { display: none; }
  .drawer-toggle { display: inline-flex; }
}
.drawer {
  position: fixed; inset: 0; z-index: 110;
  background: var(--c-bg); padding: 24px;
  display: none; flex-direction: column; gap: 8px;
  overflow-y: auto;
}
.drawer.is-open { display: flex; }
.drawer__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.drawer__nav { display: flex; flex-direction: column; gap: 4px; margin-bottom: 32px; }
.drawer__nav a {
  padding: 14px 16px; border-radius: var(--radius);
  font-size: 1.05rem; font-weight: 600;
  border-bottom: 1px solid var(--c-border);
}
.drawer__cta { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 9vw, 100px);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-bg-soft);
  z-index: -1; pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--c-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 70%);
  z-index: -1; opacity: 0.5; pointer-events: none;
}

.hero__grid {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: 56px; align-items: center;
}
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 6px;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 500; color: var(--c-fg-muted);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero__badge-tag {
  background: var(--grad-cta); color: #fff;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero__h1 { margin-bottom: 24px; }
.hero__lead { margin-bottom: 32px; font-size: clamp(1.1rem, 1.5vw, 1.25rem); max-width: 56ch; }

.hero__cta { display: flex; gap: 12px; margin-bottom: 36px; flex-wrap: wrap; }

.hero__trust { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.hero__trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--c-fg-muted); }
.hero__trust-item svg { width: 16px; height: 16px; color: var(--c-cyan); flex-shrink: 0; }
.hero__stars { display: inline-flex; gap: 2px; color: #f5b400; }
.hero__stars svg { width: 14px; height: 14px; }

/* Hero visual */
.hero__visual {
  position: relative; aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grad-mesh-dark);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--c-border);
}
.hero__visual img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: var(--radius-lg);
}
.hero__visual-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(42,45,143,0.25) 0%, transparent 50%, rgba(0,174,239,0.15) 100%);
  pointer-events: none;
}
.hero__visual-tag {
  position: absolute; bottom: 16px; left: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: rgba(10, 12, 32, 0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  color: #fff; font-size: 0.8rem; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.15);
}
.hero__visual-tag .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(0,174,239,0.25);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0,174,239,0.25); }
  50% { box-shadow: 0 0 0 8px rgba(0,174,239,0); }
}

/* Floating chip */
.hero__chip {
  position: absolute;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem; font-weight: 500;
}
.hero__chip-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad-cta); color: #fff; flex-shrink: 0;
}
.hero__chip-icon svg { width: 16px; height: 16px; }
.hero__chip--tl { top: 16px; left: -28px; }
.hero__chip--br { bottom: 24px; right: -20px; }
.hero__chip-label { color: var(--c-fg-muted); font-size: 0.72rem; }
.hero__chip-value { color: var(--c-fg); font-weight: 700; font-size: 0.95rem; }
@media (max-width: 720px) {
  .hero__chip--tl { left: 8px; }
  .hero__chip--br { right: 8px; }
}

/* Hero floating form panel (replaces visual) */
.hero-form {
  position: relative;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  display: flex; flex-direction: column; gap: 20px;
}
.hero-form::before {
  content: ''; position: absolute; inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0,174,239,0.35), rgba(42,45,143,0.18) 40%, transparent 70%);
  z-index: -1; filter: blur(28px); opacity: 0.85;
  pointer-events: none;
}
.hero-form__head { display: flex; flex-direction: column; gap: 8px; }
.hero-form__title {
  font-size: clamp(1.4rem, 2.2vw, 1.7rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.2;
}
.hero-form__sub { font-size: 0.92rem; line-height: 1.5; color: var(--c-fg-muted); }
.hero-form__form { display: flex; flex-direction: column; gap: 12px; }
.hero-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .hero-form__row { grid-template-columns: 1fr; } }
.hero-form__field { display: flex; flex-direction: column; gap: 6px; }
.hero-form__field label {
  font-size: 0.78rem; font-weight: 600;
  color: var(--c-fg-muted);
  letter-spacing: 0.02em;
}
.hero-form__field input,
.hero-form__field select {
  font-family: inherit; font-size: 0.93rem;
  padding: 11px 14px;
  color: var(--c-fg);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius);
  transition: border-color var(--dur), background var(--dur), box-shadow var(--dur);
}
[data-theme="dark"] .hero-form__field input,
[data-theme="dark"] .hero-form__field select {
  background: rgba(255,255,255,0.04);
}
.hero-form__field input:focus,
.hero-form__field select:focus {
  outline: none;
  border-color: var(--c-cyan);
  background: var(--c-bg);
  box-shadow: 0 0 0 4px rgba(0,174,239,0.12);
}
.hero-form__field input::placeholder { color: var(--c-fg-subtle); }
.hero-form__submit { margin-top: 4px; width: 100%; }
.hero-form__foot {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; color: var(--c-fg-muted);
  padding-top: 4px;
}
.hero-form__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #16c172;
  box-shadow: 0 0 0 4px rgba(22,193,114,0.18);
  animation: pulse-green 2.4s infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 4px rgba(22,193,114,0.18); }
  50%      { box-shadow: 0 0 0 8px rgba(22,193,114,0); }
}

/* ---------- 7. Marquee logos ---------- */
.marquee {
  padding: 36px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-soft);
  overflow: hidden;
}
.marquee__label {
  text-align: center; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--c-fg-subtle); margin-bottom: 20px;
}
.marquee__track {
  display: flex; align-items: center; gap: 64px;
  animation: marquee 40s linear infinite;
  width: max-content;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.4rem; font-weight: 800; letter-spacing: -0.03em;
  color: var(--c-fg-muted);
  white-space: nowrap;
  opacity: 0.65;
  transition: opacity 200ms;
}
.marquee__item:hover { opacity: 1; }
.marquee__item img { height: 36px; width: auto; opacity: 0.9; }
.marquee__sep { width: 4px; height: 4px; border-radius: 50%; background: var(--c-border-strong); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- 8. Stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  padding: 28px;
  border-radius: var(--radius-md);
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--c-border-strong); }
.stat__value {
  font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.04em; line-height: 1;
  margin-bottom: 10px; font-feature-settings: 'tnum';
}
.stat__label { font-size: 0.92rem; color: var(--c-fg-muted); }
.stat--accent .stat__value { background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-primary) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------- 9. Section heading ---------- */
.sec-head { display: flex; flex-direction: column; gap: 16px; margin-bottom: 56px; }
.sec-head__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.sec-head__title { max-width: 30ch; }
.sec-head__intro { max-width: 52ch; }
.sec-head--centered { text-align: center; align-items: center; }
.sec-head--centered .sec-head__top { flex-direction: column; align-items: center; }
.sec-head--centered .eyebrow { margin-inline: auto; }

/* ---------- 10. Piliers (3 cards) ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 960px) { .pillars { grid-template-columns: 1fr; } }
.pillar {
  display: flex; flex-direction: column; gap: 16px;
  padding: 32px;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.pillar::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--grad-text); transform: scaleX(0); transform-origin: left;
  transition: transform 320ms var(--ease);
}
.pillar:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--c-border-strong); }
.pillar:hover::before { transform: scaleX(1); }
.pillar__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--c-bg-alt); color: var(--c-primary);
  font-size: 0.85rem; font-weight: 700;
  border: 1px solid var(--c-border);
}
.pillar__title { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.pillar__body { font-size: 0.95rem; line-height: 1.6; }
.pillar__list { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 8px; }
.pillar__list li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.88rem; color: var(--c-fg);
}
.pillar__list li::before {
  content: ''; display: inline-block; flex-shrink: 0;
  width: 14px; height: 14px; margin-top: 3px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2300AEEF' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5l3.5 3.5L13 4.5'/%3E%3C/svg%3E");
}

/* ---------- 11. Suite Dassault cards ---------- */
.suite { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .suite { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .suite { grid-template-columns: 1fr; } }

.suite-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.suite-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--c-primary); }
.suite-card__logo {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  overflow: hidden;
}
.suite-card__logo img { width: 100%; height: 100%; object-fit: cover; }
.suite-card__name { font-size: 1.1rem; font-weight: 700; letter-spacing: -0.015em; display: flex; align-items: center; gap: 8px; }
.suite-card__tag {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 3px 8px; border-radius: var(--radius-sm);
  background: var(--c-bg-alt); color: var(--c-fg-muted);
}
.suite-card__desc { font-size: 0.88rem; line-height: 1.5; }
.suite-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto; padding-top: 12px;
  font-size: 0.85rem; font-weight: 600;
  color: var(--c-primary);
}
[data-theme="dark"] .suite-card__link { color: var(--c-cyan); }
.suite-card__link svg { width: 14px; height: 14px; transition: transform 200ms var(--ease); }
.suite-card:hover .suite-card__link svg { transform: translateX(3px); }

/* ---------- 12. Connected (showcase block) ---------- */
.showcase {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 56px; align-items: center;
}
@media (max-width: 960px) { .showcase { grid-template-columns: 1fr; } }
.showcase__visual {
  position: relative; aspect-ratio: 16/10;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--c-border);
}
.showcase__visual img { width: 100%; height: 100%; object-fit: cover; }
.showcase__list { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 16px; }
.showcase__list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 0.95rem;
}
.showcase__list li strong { display: block; color: var(--c-fg); font-weight: 600; margin-bottom: 2px; }
.showcase__list li span { color: var(--c-fg-muted); }
.showcase__icon {
  flex-shrink: 0; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  color: var(--c-primary);
}
[data-theme="dark"] .showcase__icon { color: var(--c-cyan); }
.showcase__icon svg { width: 18px; height: 18px; }

/* ---------- 13. Ohmycare pricing ---------- */
.care {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
@media (max-width: 960px) { .care { grid-template-columns: 1fr; gap: 36px; } }

.care__price-card {
  background: var(--grad-mesh-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.care__price-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.care__price-tag {
  display: inline-block; padding: 4px 10px;
  background: var(--c-accent); color: #fff;
  border-radius: var(--radius-pill);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 20px;
}
.care__price { font-size: 4.5rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; margin-bottom: 4px; }
.care__price small { font-size: 1rem; font-weight: 500; color: rgba(255,255,255,0.6); margin-left: 4px; }
.care__price-sub { color: rgba(255,255,255,0.7); margin-bottom: 24px; font-size: 0.95rem; }
.care__features { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 12px; position: relative; }
.care__features li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: rgba(255,255,255,0.92); }
.care__features li::before {
  content: ''; flex-shrink: 0;
  width: 18px; height: 18px; margin-top: 1px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%2300AEEF' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 10.5l4 4 8-9'/%3E%3C/svg%3E");
}
.care__cta { position: relative; }
.care__price-card .btn--primary { background: #fff; color: var(--c-primary); box-shadow: none; }
.care__price-card .btn--primary:hover { background: rgba(255,255,255,0.92); }

.care__copy h2 { margin-bottom: 16px; }
.care__copy p { margin-bottom: 16px; font-size: 1.02rem; line-height: 1.65; }
.care__modules {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px;
}
.care__module-chip {
  font-size: 0.82rem; padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--c-bg-alt); border: 1px solid var(--c-border);
  color: var(--c-fg);
}
.care__not-support {
  margin-top: 28px; padding: 18px 20px;
  border-left: 3px solid var(--c-accent);
  background: var(--c-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.92rem;
}
.care__not-support strong { color: var(--c-accent); }

/* ---------- 14. Case studies ---------- */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) { .cases { grid-template-columns: 1fr; } }
.case {
  display: flex; flex-direction: column;
  border-radius: var(--radius-lg);
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.case__visual { aspect-ratio: 16/9; overflow: hidden; background: var(--c-bg-alt); }
.case__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.case:hover .case__visual img { transform: scale(1.04); }
.case__body { padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.case__meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--c-fg-muted); }
.case__meta strong { color: var(--c-accent); font-weight: 700; }
.case__title { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; }
.case__quote { font-size: 0.95rem; line-height: 1.6; color: var(--c-fg); }
.case__quote::before { content: '"'; color: var(--c-cyan); font-weight: 700; }
.case__quote::after { content: '"'; color: var(--c-cyan); font-weight: 700; }
.case__metrics { display: flex; gap: 24px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.case__metric strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--c-primary); letter-spacing: -0.03em; line-height: 1; }
[data-theme="dark"] .case__metric strong { color: var(--c-cyan); }
.case__metric span { font-size: 0.78rem; color: var(--c-fg-muted); }

/* ---------- 15. Network (Ohmycad) ---------- */
.network {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: center;
}
@media (max-width: 960px) { .network { grid-template-columns: 1fr; } }
.network__visual {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: var(--grad-mesh-dark);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.network__visual > img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.network__visual-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,12,32,0.15) 0%, rgba(10,12,32,0.6) 100%);
  pointer-events: none;
}
.network__visual-tag {
  position: absolute; left: 20px; bottom: 20px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 8px;
  background: rgba(10, 12, 32, 0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  color: #fff; font-size: 0.85rem; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.15);
}
.network__visual-badge {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--c-accent); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 800;
  flex-shrink: 0;
}
.network__cta { margin-top: 28px; }
.network__highlight {
  display: inline-flex; gap: 12px; align-items: center;
  padding: 12px 18px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,174,239,0.12) 0%, rgba(42,45,143,0.08) 100%);
  border: 1px solid var(--c-cyan-400);
  font-weight: 600; color: var(--c-fg);
  margin-bottom: 24px; font-size: 0.92rem;
}
.network__highlight-badge {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-accent); color: #fff; font-weight: 800; font-size: 0.85rem;
}

/* ---------- 16. Team ---------- */
.team-hero {
  position: relative; padding: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 56px;
  background: var(--c-bg-alt);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
}
@media (max-width: 860px) { .team-hero { grid-template-columns: 1fr; } }
.team-hero__photo {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.team-hero__photo img { width: 100%; height: 100%; object-fit: cover; }
.team-hero__addr {
  margin-top: 20px; padding: 14px 18px;
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 12px;
}
.team-hero__addr svg { width: 18px; height: 18px; color: var(--c-accent); flex-shrink: 0; }

/* Team contact strip (replaces team-hero block) */
.team-contact {
  display: flex; align-items: center; justify-content: center;
  gap: 12px 18px; flex-wrap: wrap;
  margin: -16px 0 40px;
  padding: 14px 20px;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  width: fit-content;
  max-width: 100%;
  margin-left: auto; margin-right: auto;
  box-shadow: var(--shadow-sm);
}
.team-contact__item {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--c-fg-muted);
  transition: color var(--dur);
}
.team-contact__item:hover { color: var(--c-primary); }
[data-theme="dark"] .team-contact__item:hover { color: var(--c-cyan); }
.team-contact__item svg { width: 14px; height: 14px; color: var(--c-accent); flex-shrink: 0; }
.team-contact__sep { width: 4px; height: 4px; border-radius: 50%; background: var(--c-border-strong); }
@media (max-width: 720px) {
  .team-contact { border-radius: var(--radius-md); flex-direction: column; align-items: flex-start; gap: 10px; }
  .team-contact__sep { display: none; }
}

.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 340px)); gap: 24px; justify-content: center; }
@media (max-width: 860px) { .team { grid-template-columns: 1fr; } }
.team-card {
  display: flex; flex-direction: column; gap: 16px;
  padding: 20px;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.team-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.team-card__photo {
  aspect-ratio: 1; width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-bg-alt);
}
.team-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.team-card__name { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.015em; }
.team-card__role { font-size: 0.85rem; color: var(--c-accent); font-weight: 600; }
.team-card__bio { font-size: 0.88rem; line-height: 1.55; }

/* ---------- 17. Testimonials ---------- */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 960px) { .testimonials { grid-template-columns: 1fr; } }
.testimonial {
  display: flex; flex-direction: column; gap: 16px;
  padding: 28px;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  position: relative;
}
.testimonial__google {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.testimonial__google-logo {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-weight: 600; color: var(--c-fg-muted);
}
.testimonial__google-logo svg { width: 16px; height: 16px; }
.testimonial__stars { display: flex; gap: 1px; color: #f5b400; }
.testimonial__stars svg { width: 14px; height: 14px; }
.testimonial__text { font-size: 0.95rem; line-height: 1.6; color: var(--c-fg); }
.testimonial__author {
  display: flex; align-items: center; gap: 12px;
  padding-top: 16px; border-top: 1px solid var(--c-border);
}
.testimonial__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad-cta); color: #fff;
  font-weight: 700; font-size: 0.95rem;
  flex-shrink: 0;
}
.testimonial__author-name { font-size: 0.9rem; font-weight: 600; }
.testimonial__author-meta { font-size: 0.78rem; color: var(--c-fg-muted); }

/* ---------- 18. FAQ ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; margin-inline: auto; }
.faq__item {
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur);
}
.faq__item[open] { border-color: var(--c-primary); }
.faq__item summary {
  list-style: none; cursor: pointer;
  padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 1.02rem; font-weight: 600;
  color: var(--c-fg);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: ''; width: 20px; height: 20px; flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%235b6079' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 8l5 5 5-5'/%3E%3C/svg%3E");
  background-size: contain; background-repeat: no-repeat;
  transition: transform 200ms var(--ease);
}
.faq__item[open] summary::after { transform: rotate(180deg); }
.faq__answer {
  padding: 0 24px 22px;
  font-size: 0.95rem; line-height: 1.65;
  color: var(--c-fg-muted);
  max-width: 70ch;
}

/* ---------- 19. Final CTA + form ---------- */
.final-cta {
  position: relative;
  background: var(--grad-mesh-dark); color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(40px, 6vw, 72px);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.final-cta::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
  pointer-events: none;
}
.final-cta__grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 56px; align-items: center; position: relative;
}
@media (max-width: 960px) { .final-cta__grid { grid-template-columns: 1fr; } }
.final-cta h2 { color: #fff; margin-bottom: 16px; }
.final-cta__sub { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 24px; }
.final-cta__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.final-cta__list li { display: flex; gap: 10px; font-size: 0.95rem; color: rgba(255,255,255,0.9); }
.final-cta__list li::before {
  content: ''; flex-shrink: 0; margin-top: 3px;
  width: 16px; height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%2300AEEF' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M4 10.5l4 4 8-9'/%3E%3C/svg%3E");
}

.form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: grid; gap: 14px;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.form__field { display: flex; flex-direction: column; gap: 6px; }
.form__field label { font-size: 0.82rem; font-weight: 500; color: rgba(255,255,255,0.8); }
.form__field input, .form__field textarea, .form__field select {
  font-family: inherit; font-size: 0.95rem;
  padding: 11px 14px; color: #fff;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  transition: border-color var(--dur), background var(--dur);
}
.form__field input:focus, .form__field textarea:focus, .form__field select:focus {
  outline: none; border-color: var(--c-cyan); background: rgba(255,255,255,0.1);
}
.form__field input::placeholder, .form__field textarea::placeholder { color: rgba(255,255,255,0.4); }
.form__field textarea { min-height: 96px; resize: vertical; }
.form__submit { margin-top: 4px; }
.form__legal { font-size: 0.78rem; color: rgba(255,255,255,0.6); }

/* ---------- 20. Footer ---------- */
.footer { padding: 64px 0 32px; background: var(--c-bg-soft); border-top: 1px solid var(--c-border); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
.footer__brand img { height: 48px; width: auto; max-width: 180px; margin-bottom: 20px; display: block; }
[data-theme="dark"] .footer__brand img { filter: brightness(0) invert(1); opacity: 0.92; }
.footer__about { font-size: 0.9rem; color: var(--c-fg-muted); max-width: 32ch; }
.footer__col h4 { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--c-fg); margin-bottom: 14px; }
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer__col li a { font-size: 0.9rem; color: var(--c-fg-muted); transition: color var(--dur); }
.footer__col li a:hover { color: var(--c-primary); }
[data-theme="dark"] .footer__col li a:hover { color: var(--c-cyan); }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding-top: 24px; border-top: 1px solid var(--c-border);
  font-size: 0.82rem; color: var(--c-fg-subtle); flex-wrap: wrap;
}
.footer__legal a { color: var(--c-fg-subtle); margin-left: 14px; }
.footer__legal a:hover { color: var(--c-fg-muted); }

/* ---------- 21. Back to top ---------- */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 50;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-lg);
  color: var(--c-fg);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--dur), transform var(--dur), visibility var(--dur);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.back-to-top svg { width: 18px; height: 18px; }

/* ---------- 22. Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(16px); transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out); }
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }

/* ---------- 23. Misc small ---------- */
.no-scroll { overflow: hidden; }