:root {
  --bg: #EFEDE6;
  --text: #14140F;
  --surface: #FFFFFF;
  --grey: #6F6C61;
  --border: #DEDACD;
  --accent: #2554E8;
  --accent-blue: #2554E8;
  --accent-orange: #E8630A;
  --accent-green: #0F8B5F;
  --accent-purple: #7C3AED;
  --radius: 14px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #121212;
  --text: #F4F4F2;
  --surface: #1B1B1B;
  --grey: #A0A0A0;
  --border: #2C2C2C;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background-color: var(--bg);
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

.muted { color: var(--grey); }
.mono { font-family: var(--font-mono); }

h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); margin: 0.2em 0; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 0.6em; }
h3 { font-size: 1.15rem; margin: 0 0 0.4em; font-weight: 700; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin: 0 0 0.7em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; display: inline-block; }

.lead { font-size: 1.15rem; color: var(--grey); max-width: 46ch; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(20,20,15,0.12); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: var(--accent-blue); color: #fff; }
.btn-ghost { border-color: var(--border); background: var(--surface); }
.btn-ghost:hover { border-color: var(--text); }

.link-arrow { font-weight: 600; color: var(--accent-blue); display: inline-block; transition: transform 0.15s ease; }
.link-arrow:hover { transform: translateX(3px); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-color: var(--border);
  box-shadow: 0 8px 24px rgba(20,20,15,0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 22px;
  padding-bottom: 22px;
  transition: padding 0.35s ease;
}
.site-header.scrolled .header-inner { padding-top: 14px; padding-bottom: 14px; }
.logo { font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; }
.logo::before { content: "● "; color: var(--accent-blue); }
.logo:has(.logo-img)::before { content: none; }
.logo-img { height: 52px; width: auto; display: block; transition: height 0.35s ease; }
.site-header.scrolled .logo-img { height: 40px; }
.main-nav { display: flex; gap: 24px; margin-left: auto; }
.main-nav a { font-size: 0.92rem; color: var(--grey); position: relative; padding: 4px 0; }
.main-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--accent-blue);
  transition: right 0.2s ease;
}
.main-nav a:hover { color: var(--text); }
.main-nav a:hover::after { right: 0; }
.btn-cta { white-space: nowrap; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; }

.simple-header { padding: 20px 0; border-bottom: 1px solid var(--border); }

/* Sections */
.section {
  padding: 110px 0;
  position: relative;
  border-top: 1px solid var(--border);
}
.section:first-of-type { border-top: none; }
.section.alt { background: var(--surface); background-image: none; }
.portfolio-teaser .lead { margin: 14px 0 26px; }
.section-index {
  position: absolute;
  top: 40px;
  left: 24px;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  opacity: 0.7;
  letter-spacing: 0.08em;
}
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* Per-block scroll reveal: each card/step animates in on its own as it enters the viewport */
.reveal-item {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-item.in-view { opacity: 1; transform: none; }
.reveal-item.from-left { transform: translate(-40px, 0); }
.reveal-item.from-left.in-view { transform: none; }
.reveal-item.from-right { transform: translate(40px, 0); }
.reveal-item.from-right.in-view { transform: none; }
.reveal-item.scale-in { transform: scale(0.92); }
.reveal-item.scale-in.in-view { transform: none; }
.reveal-item.rotate-in { transform: translateY(36px) rotate(-2deg); transform-origin: bottom left; }
.reveal-item.rotate-in.in-view { transform: none; }

/* Decorative bento dot pattern */
.bento-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(currentColor 1.4px, transparent 1.4px);
  background-size: 12px 12px;
  opacity: 0.14;
  pointer-events: none;
  mask-image: linear-gradient(to bottom right, black, transparent 70%);
}

.bento-color-0 { --card-accent: var(--accent-blue); }
.bento-color-1 { --card-accent: var(--accent-orange); }
.bento-color-2 { --card-accent: var(--accent-green); }
.bento-color-3 { --card-accent: var(--accent-purple); }

/* Hero */
.hero { padding-top: 72px; }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.hero-aside { font-size: 0.8em; white-space: nowrap; }
.hero-skills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; }
.hero-skills li {
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.02em; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 6px 13px;
}
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-meter {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: calc(var(--radius) * 1.3); padding: 28px;
  box-shadow: 0 20px 48px rgba(20,20,15,0.06);
}
.hero-meter::before {
  content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--accent-blue);
}
.meter-row { display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 12px; margin-bottom: 16px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--grey); position: relative; }
.bar { height: 6px; background: var(--border); border-radius: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent-blue); border-radius: 4px; transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1); }

/* Bento services grid */
.bento-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.bento-card {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 1.2);
  padding: 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  color: var(--card-accent);
}
.bento-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(20,20,15,0.08); border-color: var(--card-accent); }
.bento-card.bento-wide { grid-column: span 2; }
.bento-content { position: relative; z-index: 1; color: var(--text); }
.bento-content h3, .bento-content p { color: var(--text); }
.service-icon {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: #fff; background: var(--card-accent); border-radius: 10px; margin-bottom: 16px;
}

/* Projects */
.grid-projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; margin-top: 32px; }
.project-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: calc(var(--radius) * 1.2); overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease; max-width: 420px;
}
.project-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(20,20,15,0.09); }
.project-placeholder { aspect-ratio: 16/10; position: relative; background: color-mix(in srgb, var(--card-accent) 12%, var(--surface)); color: var(--card-accent); overflow: hidden; }
.project-card img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.project-body { padding: 24px; }
.tag { display: inline-block; font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-blue); margin-bottom: 8px; }
.tech { font-family: var(--font-mono); font-size: 0.78rem; color: var(--grey); }

/* Process */
.process-list { margin-top: 32px; display: flex; flex-direction: column; gap: 28px; }
.process-step {
  display: grid; grid-template-columns: 70px 1fr; gap: 20px; align-items: start;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.process-step:hover { transform: translateX(4px); border-color: var(--accent-blue); box-shadow: 0 10px 24px rgba(20,20,15,0.06); }
.step-number { font-family: var(--font-mono); font-size: 1.8rem; font-weight: 700; color: var(--accent-blue); opacity: 0.35; }
.process-more { margin: 24px 0 0; }

/* Coulisses (code walkthrough) page */
.coulisses-hero { padding: 56px 0 10px; max-width: 760px; }
.coulisses-hero .lead { color: var(--grey); font-size: 1.08rem; }
.coulisses-step { padding: 48px 0; border-top: 1px solid var(--border); }
.coulisses-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
.coulisses-grid .step-number { display: block; font-size: 1.2rem; opacity: 1; margin-bottom: 8px; }
.coulisses-grid h2 { font-size: 1.4rem; margin: 0 0 12px; }
.coulisses-grid p { color: var(--grey); margin: 0; }
.code-block {
  background: #14120F; color: #E8E2D8; border-radius: var(--radius); padding: 24px 26px; margin: 0;
  font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7; overflow-x: auto;
}
.code-block code { white-space: pre; }
.code-block .c-sel { color: #F2C58C; }
.code-block .c-prop { color: #9FD9C8; }
.code-block .c-val { color: var(--accent-orange); }
.code-block .c-tag { color: #E8A9A9; }
.code-block .c-attr { color: #9FD9C8; }
.code-block .c-kw { color: #E8A9A9; }
.code-block .c-fn { color: #F2C58C; }
.code-block .c-at { color: #A9C4E8; }
.coulisses-cta { text-align: center; padding: 64px 0 80px; }
.coulisses-cta .btn { margin: 0 6px; }
@media (max-width: 820px) {
  .coulisses-grid { grid-template-columns: 1fr; }
}

/* About */
.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; }
.about-photo { border-radius: calc(var(--radius) * 1.4); aspect-ratio: 1; object-fit: cover; }
.about-photo-placeholder { position: relative; overflow: hidden; background: color-mix(in srgb, var(--card-accent) 14%, var(--surface)); color: var(--card-accent); border: 1px solid var(--border); }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip-static { font-family: var(--font-mono); font-size: 0.72rem; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); }

/* Contact */
.contact-teaser { max-width: 620px; }
.contact-teaser .btn { margin-top: 10px; }
.contact-form {
  display: grid; gap: 6px;
}
.contact-form label { font-size: 0.82rem; font-weight: 600; margin-top: 10px; }
.contact-form input, .contact-form select, .contact-form textarea {
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-family: inherit; font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease; width: 100%;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-blue) 18%, transparent);
}
.contact-form button { margin-top: 18px; justify-self: start; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.privacy-note { font-size: 0.78rem; color: var(--grey); margin-top: 14px; }
.form-flash { padding: 10px; border-radius: 10px; font-size: 0.85rem; margin-top: 10px; }
.form-flash-success { background: #DCFCE7; color: #166534; }
.form-flash-error { background: #FEE2E2; color: #991B1B; }

.intent-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 4px 0 6px; }
.intent-option {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; cursor: pointer;
  background: var(--bg); transition: border-color 0.15s ease, background 0.15s ease;
}
.intent-option input { position: absolute; opacity: 0; pointer-events: none; }
.intent-option strong { display: block; font-size: 0.88rem; }
.intent-option span { display: block; font-size: 0.76rem; color: var(--grey); margin-top: 2px; }
.intent-option:has(input:checked) { border-color: var(--accent-blue); background: color-mix(in srgb, var(--accent-blue) 7%, var(--bg)); }
.intent-option:has(input:checked) strong { color: var(--accent-blue); }
.project-fields { display: grid; gap: 6px; overflow: hidden; max-height: 600px; transition: max-height 0.3s ease, opacity 0.25s ease, margin 0.3s ease; opacity: 1; }
.project-fields.is-hidden { max-height: 0; opacity: 0; margin: 0; pointer-events: none; }

.option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.option-check {
  display: flex; align-items: center; gap: 8px; font-size: 0.86rem; font-weight: 500; margin: 0;
  border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; cursor: pointer; background: var(--bg);
}
.option-check input { width: auto; }

.contact-modal {
  border: none; border-radius: calc(var(--radius) * 1.4); padding: 32px; max-width: 560px; width: 92vw;
  box-shadow: 0 30px 70px rgba(0,0,0,0.25); color: var(--text); background: var(--surface);
}
.contact-modal::backdrop { background: rgba(20,20,15,0.55); backdrop-filter: blur(2px); }
.contact-modal h2 { margin-bottom: 4px; }
.modal-close-form { display: flex; justify-content: flex-end; margin: -16px -16px 0 0; }
.modal-close-form button {
  border: none; background: transparent; font-size: 1.1rem; cursor: pointer; color: var(--grey); padding: 8px;
}
.modal-close-form button:hover { color: var(--text); }

@media (max-width: 600px) {
  .form-row-2, .option-grid { grid-template-columns: 1fr; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; background: var(--text); color: var(--bg); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding: 64px 24px 40px; }
.footer-brand .logo { color: var(--bg); }
.footer-brand .logo::before { color: var(--accent-orange); }
.footer-brand p.muted { color: #A7A498; max-width: 32ch; margin: 10px 0 20px; }
.footer-brand .btn-primary { background: var(--bg); color: var(--text); }
.footer-brand .btn-primary:hover { background: var(--accent-orange); color: #fff; }
.footer-heading { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: #A7A498; margin-bottom: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #D8D5C9; font-size: 0.9rem; transition: color 0.15s ease; }
.footer-col a:hover { color: var(--bg); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 24px; font-size: 0.75rem;
}
.footer-bottom .muted { color: #8B8879; }

/* Error pages */
.error-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-code { font-size: 5rem; font-weight: 800; color: var(--border); margin: 0; }

.legal-page { padding: 64px 0; max-width: 780px; }
.legal-content { white-space: pre-wrap; margin: 24px 0; }

/* Réalisations */
.realisations-page { padding: 64px 0 100px; }
.realisations-page h1 { margin: 10px 0 6px; }
.category-filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 8px; }
.filter-chip {
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; padding: 9px 16px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text);
  cursor: pointer; transition: all 0.15s ease;
}
.filter-chip .count { opacity: 0.55; margin-left: 4px; }
.filter-chip:hover { border-color: var(--accent-blue); }
.filter-chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.category-group { margin-top: 56px; }
.category-title { font-size: 1.3rem; margin-bottom: 4px; }
.realisations-back { margin-top: 70px; }

/* Composants (variant galleries) */
.composants-page { padding: 64px 0 100px; }
.composants-page h1 { margin: 10px 0 6px; }
.variant-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin: 40px 0; }
.variant-card {
  display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px; transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.variant-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(20,20,15,0.08); border-color: var(--accent-blue); }
.variant-card.is-placeholder { opacity: 0.55; }
.variant-card.is-placeholder:hover { transform: none; box-shadow: none; border-color: var(--border); }
.variant-num { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--accent-blue); opacity: 0.5; display: block; margin-bottom: 10px; }
.variant-card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.variant-card p { margin: 0 0 16px; font-size: 0.88rem; }
.variant-card .link-arrow { font-size: 0.85rem; }

@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .bento-services { grid-template-columns: repeat(2, 1fr); }
  .bento-card.bento-wide { grid-column: span 2; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .main-nav.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column;
    background: var(--surface); padding: 16px 24px; border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: block; margin-left: auto; }
}

@media (max-width: 600px) {
  .bento-services { grid-template-columns: 1fr; }
  .bento-card.bento-wide { grid-column: span 1; }
  .footer-top { grid-template-columns: 1fr; }
}

/* Rotating hero eyebrow: the last words roll up in 3D */
.eyebrow-rotator { white-space: nowrap; flex-wrap: wrap; }
.rot-window { display: inline-block; position: relative; overflow: hidden; vertical-align: bottom; height: 1.4em; line-height: 1.4em; perspective: 400px; transition: width .45s ease; }
.rot-word { display: inline-block; white-space: nowrap; transform-origin: 50% 100%; backface-visibility: hidden; }
.rot-word.is-out { animation: rotOut .45s ease-in forwards; }
.rot-word.is-in { animation: rotIn .5s ease-out both; }
@keyframes rotOut { to { transform: rotateX(80deg) translateY(-100%); opacity: 0; } }
@keyframes rotIn { from { transform: rotateX(-80deg) translateY(100%); opacity: 0; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .rot-word.is-out, .rot-word.is-in { animation-duration: .01s; } }