/* =========================================================
   CoderLab — feuille de style principale
   Palette sombre "lab" : bleu nuit + accent cyan/teal
   ========================================================= */

:root {
  /* Couleurs */
  --bg:            #080C18;
  --bg-alt:        #0B1124;
  --bg-card:       #101833;
  --line:          #1E2A47;

  --text:          #E8EDF7;
  --text-soft:     #A3B0C9;
  --text-dim:      #6F7E9B;

  --accent:        #35E0C0;
  --accent-2:      #4E8CFF;
  --accent-soft:   rgba(53, 224, 192, .12);
  --accent-line:   rgba(53, 224, 192, .32);

  /* Typo */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Mesures */
  --container: 1160px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, .7);
  --transition: .28s cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

main section[id] { scroll-margin-top: -24px; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.18; letter-spacing: -.02em; font-weight: 700; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--accent); color: #04121B; padding: 10px 18px; border-radius: 0 0 8px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

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

/* ---------- Typo utilitaire ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.hl { color: var(--accent); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: .95rem; cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2BC0E4);
  color: #04121B;
  box-shadow: 0 10px 30px -12px rgba(53, 224, 192, .6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -14px rgba(53, 224, 192, .75); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: .88rem; }
.btn-block { width: 100%; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(8, 12, 24, .82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }

.logo { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.18rem; letter-spacing: -.02em; }
.logo-mark {
  width: 34px; height: 34px; display: grid; place-items: center; color: var(--accent);
  background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: 10px;
}
.logo-mark svg { width: 22px; height: 22px; }
.logo-text span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 6px; }
.nav > a {
  padding: 9px 14px; border-radius: 999px; font-size: .93rem; color: var(--text-soft);
  transition: color var(--transition), background var(--transition);
}
.nav > a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav > a.active { color: var(--accent); }
.nav .nav-cta { color: #04121B; margin-left: 10px; }
.nav .nav-cta:hover { color: #04121B; }

.nav-toggle {
  display: none; width: 42px; height: 42px; background: transparent; border: 1px solid var(--line);
  border-radius: 10px; cursor: pointer; padding: 11px 10px; flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.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); }

/* =========================================================
   HERO
   ========================================================= */
.hero { position: relative; padding: 150px 0 0; overflow: hidden; }
.hero-bg {
  position: absolute; inset: -20% -10% auto -10%; height: 900px; z-index: 0; pointer-events: none;
  background:
    radial-gradient(48% 42% at 18% 22%, rgba(53, 224, 192, .16), transparent 65%),
    radial-gradient(40% 40% at 78% 12%, rgba(78, 140, 255, .16), transparent 65%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 100%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
  padding-bottom: 80px;
}
.hero h1 { font-size: clamp(1.95rem, 4.2vw, 3.05rem); letter-spacing: -.035em; margin-bottom: 22px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 1.09rem; color: var(--text-soft); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 44px; }

.hero-proof {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px;
  padding-top: 28px; border-top: 1px solid var(--line); max-width: 560px;
}
.hero-proof li { display: flex; flex-direction: column; }
.hero-proof strong { font-family: var(--mono); font-size: 1.4rem; color: var(--accent); letter-spacing: -.02em; }
.hero-proof span { font-size: .82rem; color: var(--text-dim); line-height: 1.45; }

/* Carte de code */
.hero-visual { position: relative; }
.code-card {
  background: linear-gradient(180deg, #0E1730, #0A1124);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; transform: perspective(1200px) rotateY(-7deg) rotateX(3deg);
  transition: transform .5s var(--transition);
}
.code-card:hover { transform: perspective(1200px) rotateY(-3deg) rotateX(1deg); }
.code-card-bar {
  display: flex; align-items: center; gap: 7px; padding: 13px 16px;
  background: rgba(255,255,255,.03); border-bottom: 1px solid var(--line);
}
.code-card-bar span[class^="dot-"] { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #FF5F57; } .dot-y { background: #FEBC2E; } .dot-g { background: #28C840; }
.code-file { margin-left: 12px; font-family: var(--mono); font-size: .76rem; color: var(--text-dim); }
.code-card-body {
  margin: 0; padding: 22px 20px; font-family: var(--mono); font-size: .82rem; line-height: 1.75;
  color: #C3D0E8; overflow-x: auto;
}
.c-key { color: #7AA2FF; } .c-cls { color: var(--accent); } .c-fn { color: #FFD479; } .c-cmt { color: #55637F; font-style: italic; }
.code-card-status {
  display: flex; align-items: center; gap: 10px; padding: 13px 20px;
  border-top: 1px solid var(--line); background: rgba(53,224,192,.05);
  font-family: var(--mono); font-size: .75rem; color: var(--accent);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(53,224,192,.5); } 50% { box-shadow: 0 0 0 7px rgba(53,224,192,0); } }

.float-chip {
  position: absolute; padding: 9px 16px; border-radius: 999px; font-family: var(--mono); font-size: .76rem;
  background: rgba(16, 24, 51, .9); border: 1px solid var(--accent-line); color: var(--accent);
  backdrop-filter: blur(8px); box-shadow: var(--shadow); animation: float 6s ease-in-out infinite;
}
.chip-1 { top: -18px; left: -22px; }
.chip-2 { bottom: 58px; left: -38px; animation-delay: -2s; }
.chip-3 { top: 42%; right: -30px; animation-delay: -4s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

/* Bandeau défilant */
.marquee {
  position: relative; z-index: 1; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.015); padding: 18px 0; overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 56px; width: max-content; animation: scroll 32s linear infinite; }
.marquee-track span { font-family: var(--mono); font-size: 1rem; color: var(--text-dim); letter-spacing: .04em; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* =========================================================
   SECTIONS
   ========================================================= */
.section { padding: 110px 0; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 700px; margin-bottom: 58px; }
.section-head h2 { font-size: clamp(1.85rem, 3.6vw, 2.6rem); margin-bottom: 18px; }
.section-sub { color: var(--text-soft); font-size: 1.03rem; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: var(--shadow); }

/* --- Services --- */
.service-card { display: flex; flex-direction: column; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 22px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent);
}
.card-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.24rem; margin-bottom: 14px; }
.service-card > p { color: var(--text-soft); font-size: .96rem; }

.ticks { margin: 22px 0 26px; display: grid; gap: 11px; }
.ticks li { position: relative; padding-left: 26px; font-size: .92rem; color: var(--text-soft); }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: -1px; color: var(--accent); font-size: .85rem; font-weight: 700;
}
.card-link {
  margin-top: auto; font-weight: 600; font-size: .93rem; color: var(--accent);
  display: inline-flex; align-items: center; gap: 8px;
}
.card-link span { transition: transform var(--transition); }
.card-link:hover span { transform: translateX(5px); }

/* --- Stacks --- */
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 46px; }
.stack-col {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
}
.stack-title {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.stack-list { display: grid; gap: 18px; }
.stack-list li { display: flex; flex-direction: column; gap: 3px; }
.stack-name { font-weight: 600; font-size: 1.02rem; }
.stack-note { font-size: .86rem; color: var(--text-dim); }

.logo-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tech-pill {
  padding: 11px 22px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.02);
  font-family: var(--mono); font-size: .88rem; color: var(--text-soft);
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}
.tech-pill:hover { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-3px); }

/* --- Méthode --- */
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.method-card h3 { font-size: 1.2rem; margin: 0 0 14px; }
.method-card > p { color: var(--text-soft); font-size: .95rem; }
.method-card .ticks { margin-bottom: 0; }
.method-card { padding-top: 78px; }
.method-num {
  font-family: var(--mono); font-size: 2.2rem; font-weight: 700; color: rgba(255,255,255,.09);
  position: absolute; top: 22px; left: 32px; letter-spacing: -.04em; line-height: 1;
}
.method-card.accent { border-color: var(--accent-line); background: linear-gradient(180deg, rgba(53,224,192,.07), var(--bg-card) 55%); }
.method-card.accent .method-num { color: rgba(53,224,192,.16); }

.timeline { margin-top: 60px; padding-top: 52px; border-top: 1px solid var(--line); }
.timeline-title { font-size: 1.15rem; margin-bottom: 40px; color: var(--text-soft); font-weight: 600; }
.timeline-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; position: relative; }
.timeline-steps::before {
  content: ""; position: absolute; top: 6px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--accent-line), var(--line));
}
.timeline-steps li { position: relative; padding-top: 32px; }
.tl-dot {
  position: absolute; top: 0; left: 0; width: 13px; height: 13px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.timeline-steps h4 { font-size: 1rem; margin-bottom: 8px; }
.timeline-steps p { font-size: .88rem; color: var(--text-dim); }

/* --- Avantages --- */
.adv-grid { margin-bottom: 56px; }
.adv-card h3 { font-size: 1.15rem; margin-bottom: 14px; display: flex; align-items: center; gap: 13px; }
.adv-ico {
  width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: 11px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent);
  font-family: var(--mono); font-size: 1.05rem;
}
.adv-card p { color: var(--text-soft); font-size: .96rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat {
  text-align: center; padding: 30px 20px; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.015);
}
.stat strong {
  display: block; font-family: var(--mono); font-size: 2.5rem; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 10px;
}
.stat span { font-size: .87rem; color: var(--text-dim); }

/* --- Réalisations --- */
.work-card { padding: 0; display: flex; flex-direction: column; }
.work-thumb {
  height: 152px; display: grid; place-items: center; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 1.9rem; color: rgba(255,255,255,.55);
  position: relative; overflow: hidden;
}
.work-thumb::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 26px 26px;
}
.thumb-a { background: linear-gradient(135deg, #12305A, #0C1B38); }
.thumb-b { background: linear-gradient(135deg, #14453E, #0B2A2A); }
.thumb-c { background: linear-gradient(135deg, #2A2350, #141032); }
.work-card > *:not(.work-thumb) { padding-left: 28px; padding-right: 28px; }
.work-tag {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); padding-top: 24px; margin-bottom: 10px;
}
.work-card h3 { font-size: 1.12rem; margin-bottom: 12px; }
.work-card > p:not(.work-tag) { color: var(--text-soft); font-size: .93rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; padding-bottom: 28px; }
.chips li {
  font-family: var(--mono); font-size: .74rem; padding: 5px 11px; border-radius: 6px;
  background: rgba(255,255,255,.05); color: var(--text-dim);
}
.work-note { margin-top: 34px; text-align: center; color: var(--text-dim); font-size: .95rem; }
.work-note a { color: var(--accent); border-bottom: 1px solid var(--accent-line); }

/* --- CTA / Contact --- */
.section-cta { background: var(--bg-alt); border-top: 1px solid var(--line); position: relative; overflow: hidden; }
.section-cta::before {
  content: ""; position: absolute; inset: auto -10% -60% -10%; height: 600px; pointer-events: none;
  background: radial-gradient(45% 55% at 50% 50%, rgba(53,224,192,.12), transparent 70%);
}
.cta-inner { position: relative; display: grid; grid-template-columns: 1fr .9fr; gap: 60px; align-items: start; }
.cta-copy h2 { font-size: clamp(1.75rem, 3.3vw, 2.4rem); margin-bottom: 18px; }
.contact-list { margin-top: 34px; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: center; gap: 14px; color: var(--text-soft); font-size: .97rem; }
.contact-list a:hover { color: var(--accent); }
.ci {
  width: 38px; height: 38px; flex: none; display: grid; place-items: center; border-radius: 10px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent); font-size: .95rem;
}

.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form:hover { transform: none; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field-full, .contact-form > .btn, .form-note { grid-column: 1 / -1; }
.field label { font-size: .83rem; color: var(--text-dim); font-weight: 500; }
.field input, .field select, .field textarea {
  background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 14px; font-size: .94rem; transition: border-color var(--transition), background var(--transition);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input::placeholder, .field textarea::placeholder { color: #4E5C78; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent-line); background: rgba(53,224,192,.05);
}
.field select { appearance: none; cursor: pointer; padding-right: 38px; text-overflow: ellipsis;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%236F7E9B' stroke-width='1.6' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
}
.field select option { background: var(--bg-card); }
.field input.invalid, .field textarea.invalid { border-color: #FF6B6B; }
.form-note { font-size: .82rem; color: var(--text-dim); text-align: center; }
.form-note.success { color: var(--accent); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding-top: 64px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 56px; padding-bottom: 48px; }
.footer-brand p { color: var(--text-dim); font-size: .92rem; margin-top: 18px; max-width: 330px; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-nav h4 { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text); margin-bottom: 16px; }
.footer-nav a { display: block; color: var(--text-dim); font-size: .92rem; padding: 5px 0; transition: color var(--transition); }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 26px; padding-bottom: 30px; border-top: 1px solid var(--line);
  color: var(--text-dim); font-size: .85rem;
}
.footer-legal a:hover { color: var(--accent); }

/* =========================================================
   ANIMATIONS AU SCROLL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  /* En dessous du desktop, la carte de code (et ses chips) est masquée :
     le hero passe en une seule colonne centrée sur le message. */
  .hero-inner { grid-template-columns: 1fr; gap: 0; }
  .hero-visual { display: none; }
  .grid-3, .stack-grid, .method-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-steps { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .timeline-steps::before { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr; gap: 44px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 760px) {
  .nav {
    position: fixed; inset: 74px 0 auto 0; flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(8, 12, 24, .97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line);
    padding: 18px 24px 26px; transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav > a { padding: 13px 12px; font-size: 1rem; }
  .nav .nav-cta { margin: 10px 0 0; justify-content: center; }
  .nav-toggle { display: flex; }

  .hero { padding-top: 118px; }
  .hero-inner { padding-bottom: 60px; }
  .hero-proof { gap: 22px; }
  .hero-proof li { max-width: 150px; }
  .section { padding: 78px 0; }
  /* padding réduit en mobile : on décale l'ancrage pour garder le titre dégagé */
  main section[id] { scroll-margin-top: 4px; }
  .section-head { margin-bottom: 40px; }
  .grid-3, .grid-2, .stack-grid, .method-grid, .stats, .timeline-steps, .footer-nav {
    grid-template-columns: 1fr;
  }
  .footer-nav { gap: 26px; }
  .card { padding: 26px; }
  .contact-form { grid-template-columns: 1fr; }
  .adv-card h3 { font-size: 1.05rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}