/* ============================================================
   S2EE — Light theme · "Confiance Industrielle"
   White/cream base · Emerald brand · Navy ink
   Geist + Instrument Serif italic
   ============================================================ */

:root {
  /* Color */
  --bg:           #ffffff;
  --bg-warm:      #faf9f6;
  --bg-soft:      #f3f1ec;
  --bg-sand:      #ede9e1;
  --bg-deep:      #0d1418;

  --ink:          #0d1418;
  --ink-2:        #2b333d;
  --ink-mute:     #5b6573;
  --ink-faint:    #94a0ad;

  --line:         #e9e4d8;
  --line-2:       #d6d2c8;
  --line-3:       #bcb8ad;

  --brand:        #15c75b;
  --brand-deep:   #0a8a3f;
  --brand-darker: #066a2f;
  --brand-bright: #2ee074;
  --brand-soft:   #d3f5e0;
  --brand-wash:   #ebfaf1;
  --brand-tint:   rgba(21,199,91,0.10);

  --gold:         #b78c44;
  --gold-soft:    #f3e7cf;
  --navy:         #0e2638;
  --warn:         #d6a85f;
  --danger:       #b9492f;

  /* Type */
  --f-sans:       "Geist", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --f-mono:       "Geist Mono", ui-monospace, "JetBrains Mono", monospace;
  --f-italic:     "Instrument Serif", ui-serif, Georgia, serif;

  /* Scale — mobile-first */
  --t-eyebrow:    0.72rem;
  --t-body:       1rem;
  --t-lead:       clamp(1rem, 0.9rem + 0.45vw, 1.18rem);
  --t-h4:         clamp(1rem, 0.92rem + 0.35vw, 1.2rem);
  --t-h3:         clamp(1.3rem, 1rem + 1.1vw, 1.9rem);
  --t-h2:         clamp(1.75rem, 1.2rem + 2.4vw, 3.2rem);
  --t-h1:         clamp(2.1rem, 1rem + 5.4vw, 5.4rem);
  --t-mega:       clamp(2.6rem, 1rem + 7.5vw, 7rem);

  /* Spacing — DENSE mobile, généreux sans excès desktop */
  --gutter:       clamp(16px, 4vw, 40px);
  --section:      clamp(44px, 5.5vw, 92px);
  --section-tight:clamp(32px, 3.5vw, 60px);

  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    20px;
  --radius-xl:    26px;

  /* Motion */
  --ease:         cubic-bezier(.2,.7,.2,1);
  --ease-out:     cubic-bezier(.16,1,.3,1);
  --dur-1:        .16s;
  --dur-2:        .38s;
  --dur-3:        .7s;

  /* Shadows tinted to background hue */
  --sh-1: 0 1px 2px rgba(13,20,24,0.04), 0 1px 1px rgba(13,20,24,0.03);
  --sh-2: 0 6px 20px -8px rgba(13,20,24,0.10), 0 2px 4px rgba(13,20,24,0.04);
  --sh-3: 0 24px 60px -24px rgba(13,20,24,0.16), 0 6px 18px -6px rgba(13,20,24,0.06);
  --sh-brand: 0 18px 40px -16px rgba(21,199,91,0.45);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: var(--t-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01","cv11";
  overflow-x: clip;
  -webkit-tap-highlight-color: transparent;
}
body.nav-open { overflow: hidden; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--brand); color: #fff; }

/* ---------- Skip ---------- */
.skip-link {
  position: absolute; top: -40px; left: 12px;
  background: var(--ink); color: #fff;
  padding: 8px 12px; border-radius: 6px;
  font-family: var(--f-mono); font-size: 12px;
  z-index: 1000;
}
.skip-link:focus { top: 12px; }

/* ---------- Typography primitives ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 500; color: var(--ink); }
.h-display {
  font-family: var(--f-sans);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.96;
}
.h-display em {
  font-family: var(--f-italic);
  font-style: italic;
  font-weight: 400;
  color: var(--brand-deep);
  letter-spacing: -0.025em;
}
.h-mega { font-size: var(--t-mega); }
.h1 { font-size: var(--t-h1); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); font-weight: 600; letter-spacing: -0.02em; }
.h4 { font-size: var(--t-h4); font-weight: 600; letter-spacing: -0.012em; }

.lead {
  font-size: var(--t-lead);
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 64ch;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: var(--t-eyebrow);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand-deep);
}
.eyebrow::before {
  content: ""; width: 18px; height: 1.5px;
  background: var(--brand);
}

.mono { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .03em; }
.tnum { font-variant-numeric: tabular-nums; }
.dim { color: var(--ink-mute); }
.faint { color: var(--ink-faint); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px;
  min-height: 48px; /* touch target mobile-first */
  border-radius: 999px;
  font-family: var(--f-sans);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: .005em;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink);
  position: relative;
  overflow: hidden;
  transition: color var(--dur-1) var(--ease), background var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), box-shadow var(--dur-2) var(--ease);
  will-change: transform;
  white-space: nowrap;
  touch-action: manipulation;
}
.btn::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform .7s var(--ease-out);
  pointer-events: none;
  z-index: 1;
}
.btn:hover::before { transform: translateX(110%); }
.btn > * { position: relative; z-index: 2; }
.btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn:active { transform: translateY(1px) scale(0.985); }
.btn-primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  box-shadow: var(--sh-2);
}
.btn-primary:hover { background: var(--brand-deep); border-color: var(--brand-deep); box-shadow: var(--sh-brand); }
.btn-brand { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-brand:hover { background: var(--brand-deep); border-color: var(--brand-deep); box-shadow: var(--sh-brand); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); background: var(--bg); }
.btn-ghost:hover { background: var(--bg-warm); color: var(--ink); border-color: var(--ink); }
.btn-sm { padding: 10px 16px; font-size: 0.86rem; }
.btn-lg { padding: 17px 26px; font-size: 1rem; }
.btn svg { transition: transform var(--dur-2) var(--ease); }
.btn:hover svg { transform: translateX(3px); }

/* ---------- Container & layout ---------- */
.container {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container-wide {
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section); }
.section--tight { padding-block: var(--section-tight); }
.section--warm { background: var(--bg-warm); }
.section--soft { background: var(--bg-soft); }
.section--ink { background: var(--bg-deep); color: #f3f1ec; }
.section--ink h2, .section--ink h3 { color: #fff; }
.section--ink .lead { color: rgba(255,255,255,0.7); }

/* ---------- Scroll progress bar (top) — transform-based pour 60fps ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--brand-bright), var(--brand));
  z-index: 100;
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
  will-change: transform;
}

/* ---------- Trust bar (top) ---------- */
.trustbar {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.85);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: .04em;
}
.trustbar-inner {
  max-width: 1440px;
  margin-inline: auto;
  padding: 9px var(--gutter);
  display: flex; align-items: center; gap: 22px;
  flex-wrap: wrap;
}
.tb-item { display: inline-flex; align-items: center; gap: 8px; }
.tb-item strong { color: #fff; font-weight: 500; }
.tb-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-bright); animation: pulse 2.4s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .55; transform: scale(.85); }
}
/* Brand mark subtle breathing on landing */
@keyframes brand-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}
.brand-mark img {
  animation: brand-breathe 6s ease-in-out infinite;
  will-change: transform;
}
.tb-spacer { flex: 1 1 auto; }
.tb-phone {
  font-weight: 500; color: #fff;
  font-family: var(--f-sans); font-size: 0.84rem;
  letter-spacing: 0;
}
.tb-phone:hover { color: var(--brand-bright); }

@media (max-width: 720px) {
  .tb-item:nth-child(n+3) { display: none; }
  .tb-spacer { display: none; }
}

/* ---------- Site header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1440px;
  margin-inline: auto;
  padding: 18px var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-mark {
  display: inline-flex;
  width: 44px; height: 44px;
}
.brand-mark img { width: 100%; height: 100%; display: block; }
.brand-name {
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: 1.22rem;
  letter-spacing: -0.025em;
  line-height: 1;
  display: block;
  color: var(--ink);
}
.brand-meta {
  display: block;
  font-size: 0.7rem;
  color: var(--ink-mute);
  margin-top: 3px;
  font-weight: 400;
  letter-spacing: 0;
}

.primary-nav { display: contents; }
.navlist {
  list-style: none; padding: 0; margin: 0;
  display: flex; align-items: center; gap: 4px;
  justify-self: center;
}
.nav-divider {
  width: 1px; height: 18px; background: var(--line-2); margin: 0 6px;
}
.navlink {
  position: relative;
  display: inline-flex; align-items: center;
  padding: 10px 14px;
  min-height: 44px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
  touch-action: manipulation;
}
.navlink::after {
  content: "";
  position: absolute; left: 14px; right: 14px; bottom: 6px;
  height: 1.5px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .35s var(--ease-out);
}
.navlink:hover::after, .navlink.is-active::after { transform: scaleX(1); }
.navlink:hover { color: var(--ink); background: var(--bg-warm); }
.navlink.is-active { color: var(--brand-deep); background: var(--brand-wash); }
.nav-cta { justify-self: end; }

.nav-toggle { display: none; }
@media (max-width: 1020px) {
  .header-inner { grid-template-columns: auto 1fr; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 48px; height: 48px;
    border: 1px solid var(--line-2); border-radius: 14px;
    justify-self: end;
    background: var(--bg);
    touch-action: manipulation;
  }
  .nav-toggle span {
    display: block; width: 20px; height: 1.8px; background: var(--ink);
    margin-inline: auto;
    transition: transform var(--dur-1) var(--ease);
  }
  .primary-nav {
    display: none;
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-block: 16px 8px;
    margin-top: 14px;
    border-top: 1px solid var(--line);
    max-height: calc(100dvh - 90px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .primary-nav.is-open { display: flex; }
  .navlist {
    flex-direction: column; align-items: stretch;
    justify-self: stretch;
    gap: 2px;
  }
  .nav-divider { display: none; }
  .navlink {
    width: 100%;
    padding: 16px 18px;
    min-height: 52px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg);
    font-size: 1rem;
  }
  .nav-cta { width: 100%; padding-top: 4px; }
  .nav-cta a { width: 100%; justify-content: center; min-height: 52px; }
}

/* ---------- Pre-footer CTA ---------- */
.prefoot {
  background: var(--bg-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.prefoot::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(50% 60% at 90% 10%, rgba(16,185,129,0.30), transparent 60%),
    radial-gradient(40% 60% at 0% 100%, rgba(16,185,129,0.12), transparent 60%);
  pointer-events: none;
}
.prefoot-inner {
  max-width: 1280px;
  margin-inline: auto;
  padding: clamp(54px, 6vw, 96px) var(--gutter);
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
  align-items: center;
  position: relative;
}
@media (min-width: 880px) {
  .prefoot-inner { grid-template-columns: 1.2fr auto; }
}
.prefoot-text h2 {
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: clamp(2.2rem, 1rem + 4vw, 4rem);
  letter-spacing: -0.035em;
  line-height: 1;
  color: #fff;
  margin-bottom: 16px;
}
.prefoot-text h2 em {
  font-family: var(--f-italic);
  color: var(--brand-bright);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.prefoot-text p { color: rgba(255,255,255,0.72); max-width: 56ch; font-size: 1.02rem; }
.prefoot-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.prefoot .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.22); }
.prefoot .btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); color: #fff; }
.prefoot .btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.prefoot .btn-primary:hover { background: var(--brand-bright); border-color: var(--brand-bright); color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-warm);
  border-top: 1px solid var(--line);
  padding-top: clamp(60px, 6vw, 100px);
}
.footer-inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  gap: clamp(36px, 4vw, 56px);
  grid-template-columns: 1.5fr repeat(3, 1fr);
}
@media (max-width: 980px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-inner { grid-template-columns: 1fr; } }

.footer-mark { display: inline-flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.footer-mark img { margin-bottom: 8px; }
.footer-wordmark {
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: 2.4rem;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}
.footer-tag { font-size: 0.84rem; color: var(--ink-mute); }
.footer-line { color: var(--ink-2); margin: 0 0 22px; max-width: 38ch; font-size: 0.96rem; line-height: 1.55; }
.footer-cert-row { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-pill {
  display: inline-flex; align-items: center;
  padding: 6px 12px;
  background: var(--brand-wash);
  border: 1px solid var(--brand-soft);
  color: var(--brand-darker);
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: .04em;
  border-radius: 999px;
  font-weight: 500;
}

.foot-h {
  font-family: var(--f-sans);
  font-size: 0.78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 16px;
  font-weight: 600;
}
.foot-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.foot-col a { color: var(--ink-2); font-size: 0.96rem; transition: color var(--dur-1) var(--ease); }
.foot-col a:hover { color: var(--brand-deep); }

.footer-bottom {
  max-width: 1280px;
  margin: 60px auto 24px;
  padding: 22px var(--gutter) 0;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  font-family: var(--f-mono);
  font-size: 0.74rem;
  color: var(--ink-mute);
  letter-spacing: 0;
}
.footer-bottom a { color: var(--ink-2); }
.footer-bottom a:hover { color: var(--brand-deep); }
.dot-sep { color: var(--ink-faint); }

/* ---------- Reveal — TOUJOURS visible, JS ajoute juste un slide subtle ---------- */
/* Règle d'or : aucun élément n'est jamais à opacity:0 plus de 100ms. */
[data-reveal], [data-reveal-stagger], [data-reveal-stagger] > * {
  opacity: 1;
}
.js-reveal [data-reveal]:not(.is-in) {
  transform: translateY(14px);
  transition: transform .7s var(--ease-out);
}
.js-reveal [data-reveal].is-in { transform: none; }
.js-reveal [data-reveal-stagger]:not(.is-in) > * {
  transform: translateY(12px);
  transition: transform .6s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
}
.js-reveal [data-reveal-stagger].is-in > * { transform: none; }

/* ---------- Split-word headlines (paired with [data-split] in JS) ---------- */
[data-split] .word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  line-height: 1.05;
  padding-bottom: 0.04em;
}
[data-split] .word-inner {
  display: inline-block;
  will-change: transform;
  transform-origin: 0% 100%;
}
/* Fallback : si JS échoue, le texte reste lisible (jamais caché). */
[data-split]:not(.is-split) { opacity: 1; }

/* ---------- Hero spotlight (curseur desktop) ---------- */
.hero-visual {
  --mx: 50%;
  --my: 50%;
}
@media (hover: hover) and (pointer: fine) {
  .hero-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(220px 220px at var(--mx) var(--my), rgba(255,255,255,0.18), transparent 60%);
    opacity: 0;
    transition: opacity .4s var(--ease-out);
    pointer-events: none;
    z-index: 2;
    mix-blend-mode: overlay;
  }
  .hero-visual:hover::before { opacity: 1; }
}

/* ---------- Hero h1 — préparer la perspective pour le split ---------- */
.hero h1[data-split] { perspective: 1000px; }
.section-head h2[data-split] { perspective: 900px; }

/* ---------- Hero badge / pill subtle shimmer ---------- */
@keyframes shimmer-stripe {
  0%   { transform: translateX(-150%); }
  60%  { transform: translateX(150%); }
  100% { transform: translateX(150%); }
}
.hero-overlay-pill { position: absolute; overflow: hidden; }
.hero-overlay-pill::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.45) 50%, transparent 70%);
  transform: translateX(-150%);
  animation: shimmer-stripe 5.4s var(--ease-out) infinite;
  pointer-events: none;
}

/* ---------- Hero card arrow gentle pulse ---------- */
@keyframes arrow-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(21,199,91,0.45); }
  50%      { transform: scale(1.06); box-shadow: 0 0 0 12px rgba(21,199,91,0); }
}
.hero-card-arrow { animation: arrow-pulse 2.6s var(--ease-out) infinite; will-change: transform; }

/* ---------- Trust dot already pulses; add brand-bright glow on stat values ---------- */
.stat .value { transition: color .3s var(--ease-out); }

/* ---------- Pre-footer orbs animés ---------- */
.prefoot {
  --orb-y: 0px;
}
.prefoot::before {
  transform: translateY(var(--orb-y));
  transition: transform .1s linear;
}
.prefoot::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(28% 36% at 18% 24%, rgba(46,224,116,0.18), transparent 60%),
    radial-gradient(22% 30% at 78% 78%, rgba(255,255,255,0.05), transparent 60%);
  pointer-events: none;
  animation: orb-drift 14s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes orb-drift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(20px, -16px); }
}

/* ---------- Scroll progress — gradient animé subtil ---------- */
.scroll-progress {
  background: linear-gradient(90deg, var(--brand-bright), var(--brand) 50%, var(--brand-deep));
  background-size: 200% 100%;
  animation: progress-shift 6s linear infinite;
}
@keyframes progress-shift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero-card-arrow,
  .prefoot::after,
  .hero-overlay-pill::before,
  .scroll-progress { animation: none !important; }
}