/* =========================================================
   L'Atelier de Baden — Design System
   Univers : luxe technologique (sobre, fin, aéré)
   Modes   : dark (défaut) + light (toggle)
   ========================================================= */

:root,
:root[data-theme="dark"] {
  --bg:           #0A0A0A;
  --bg-soft:      #111111;
  --bg-elevated:  #161616;
  --bg-overlay:   rgba(255, 255, 255, 0.02);
  --ink:          #F5F5F5;
  --ink-soft:     #B8B8B8;
  --ink-mute:     #8A8A8A;
  --line:         rgba(201, 169, 110, 0.18);
  --line-strong:  rgba(245, 245, 245, 0.10);
  --accent:       #C9A96E;
  --accent-soft:  rgba(201, 169, 110, 0.12);
  --accent-deep:  #A88752;
  --shadow-sm:    0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md:    0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg:    0 24px 60px rgba(0, 0, 0, 0.55);
  --grain-opacity: 0.035;
}

:root[data-theme="light"] {
  --bg:           #FAFAF8;
  --bg-soft:      #F2F1EC;
  --bg-elevated:  #FFFFFF;
  --bg-overlay:   rgba(0, 0, 0, 0.015);
  --ink:          #1A1A1A;
  --ink-soft:     #4A4A4A;
  --ink-mute:     #6B6B6B;
  --line:         rgba(26, 26, 26, 0.10);
  --line-strong:  rgba(26, 26, 26, 0.18);
  --accent:       #A88752;
  --accent-soft:  rgba(168, 135, 82, 0.10);
  --accent-deep:  #8A6E3F;
  --shadow-sm:    0 1px 2px rgba(20, 20, 20, 0.04);
  --shadow-md:    0 12px 32px rgba(20, 20, 20, 0.06);
  --shadow-lg:    0 28px 60px rgba(20, 20, 20, 0.10);
  --grain-opacity: 0.025;
}

:root {
  --serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "IBM Plex Mono", "SFMono-Regular", monospace;

  --container: 1240px;
  --container-tight: 880px;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --t-fast: 180ms cubic-bezier(.2,.7,.3,1);
  --t-base: 320ms cubic-bezier(.2,.7,.3,1);
  --t-slow: 720ms cubic-bezier(.2,.7,.3,1);
}

/* ----- Reset léger ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  transition: background var(--t-base), color var(--t-base);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* Grain subtil partout — donne de la matière */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(rgba(255,255,255,0.4) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
}

/* =========================================================
   Typographie
   ========================================================= */
.kicker {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
}
h1 { font-size: clamp(2.8rem, 6.4vw, 5.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
h4 { font-size: 1.1rem; font-family: var(--sans); font-weight: 500; letter-spacing: 0.02em; }

p { color: var(--ink-soft); }
.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: var(--ink-soft);
  font-weight: 300;
  max-width: 56ch;
}

/* =========================================================
   Layout
   ========================================================= */
.container {
  width: min(var(--container), calc(100% - 2.5rem));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.container-tight {
  width: min(var(--container-tight), calc(100% - 2.5rem));
  margin-inline: auto;
}
section { padding: clamp(5rem, 10vw, 9rem) 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: clamp(3rem, 5vw, 4.5rem); }
.section-head .lead { margin-top: 1.2rem; }
.section-head .kicker + h2 { margin-top: 1rem; }

/* Filets fins or, marque de fabrique */
.divider-thin {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 40%, var(--line) 60%, transparent);
  border: 0;
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 0;
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border-bottom: 1px solid transparent;
  transition: padding var(--t-base), background var(--t-base), border-color var(--t-base);
}
.site-header.is-scrolled {
  padding: 0.7rem 0;
  border-bottom-color: var(--line-strong);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}
.brand-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  gap: 0.15em;
}
.brand-line1 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding-left: 2px;
}
.brand-line2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.18rem;
  letter-spacing: 0.32em;
  color: var(--ink);
  padding-bottom: 0.28em;
  padding-right: 0.32em;
  border-bottom: 1px solid var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}
.site-nav a {
  font-size: 0.84rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  position: relative;
  transition: color var(--t-fast);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.site-nav a:hover::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Toggle thème */
.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--ink-soft);
  transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); transform: rotate(20deg); }
.theme-toggle svg { width: 16px; height: 16px; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* Bouton hamburger (mobile) */
.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  position: relative;
}
.nav-toggle span {
  position: absolute; left: 9px; right: 9px; height: 1px;
  background: var(--ink); transition: transform var(--t-fast), opacity var(--t-fast);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* =========================================================
   Boutons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.6rem;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all var(--t-base);
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; transition: transform var(--t-fast); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: var(--accent);
  color: #0A0A0A;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-link {
  padding: 0;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
  border-radius: 0;
  padding-bottom: 4px;
}
.btn-link:hover { border-bottom-color: var(--accent); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding-top: clamp(8rem, 14vw, 12rem);
  padding-bottom: clamp(5rem, 10vw, 9rem);
  position: relative;
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 0%, transparent 75%);
}
.hero-glow {
  position: absolute;
  width: 70vw;
  height: 70vw;
  max-width: 900px;
  max-height: 900px;
  top: -10%;
  right: -10%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
}
.hero h1 {
  margin: 1.6rem 0 1.8rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.hero .lead {
  max-width: 60ch;
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
}
.hero-actions {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.hero-meta {
  margin-top: 4rem;
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--line-strong);
  max-width: 720px;
}
.hero-meta-item .num {
  font-family: var(--serif);
  font-size: 2.2rem;
  color: var(--accent);
  display: block;
  line-height: 1;
}
.hero-meta-item .lbl {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* =========================================================
   Section méthodologie (4 étapes)
   ========================================================= */
.methodology {
  background: linear-gradient(180deg, transparent, var(--bg-soft) 30%, var(--bg-soft) 70%, transparent);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}
.step {
  position: relative;
  padding: 2.2rem 1.8rem 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.step:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.step-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  display: block;
}
.step-title {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0.6rem 0 1.4rem;
  color: var(--ink);
}
.step-desc { font-size: 0.94rem; line-height: 1.55; }
.step-icon {
  width: 36px; height: 36px;
  margin-bottom: 1.4rem;
  color: var(--accent);
}

.method-quote {
  margin-top: 4rem;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  color: var(--ink);
  line-height: 1.5;
  max-width: 760px;
  margin-inline: auto;
  position: relative;
  padding: 0 2rem;
}
.method-quote::before,
.method-quote::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 1.5rem auto;
}

/* =========================================================
   Services (3 piliers)
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.pillar {
  padding: 2.6rem 2.2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}
.pillar::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}
.pillar:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 169, 110, 0.4);
  box-shadow: var(--shadow-md);
}
.pillar:hover::before { opacity: 1; }

.pillar-icon {
  width: 48px; height: 48px;
  margin-bottom: 1.6rem;
  color: var(--accent);
}
.pillar h3 {
  margin-bottom: 1rem;
}
.pillar-pitch {
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 1.8rem;
  color: var(--ink-soft);
}
.pillar-list {
  list-style: none;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.pillar-list li {
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.5;
}
.pillar-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 6px; height: 1px;
  background: var(--accent);
}

/* =========================================================
   RÉALISATIONS
   ========================================================= */
.realisations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.case {
  position: relative;
  padding: 2.2rem 2rem 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.case:hover {
  transform: translateY(-4px);
  border-color: rgba(201,169,110,0.35);
  box-shadow: var(--shadow-md);
}
.case-icon {
  width: 44px; height: 44px;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.case-icon svg { width: 100%; height: 100%; }
.case-sector {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.2rem;
}
.case h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}
.case-desc {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
  flex: 1;
  margin-bottom: 1.3rem;
}
.case-metric {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.case-metric span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--accent);
  margin-right: 0.4rem;
  letter-spacing: 0;
}
.cases-footnote {
  margin-top: 4rem;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* =========================================================
   POURQUOI — 4 raisons numérotées
   ========================================================= */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.reason {
  padding: 2rem 1.6rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  position: relative;
  transition: transform var(--t-base), border-color var(--t-base);
}
.reason:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.reason-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 1.2rem;
}
.reason h3 {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  color: var(--ink);
}
.reason p {
  font-size: 0.9rem;
  line-height: 1.55;
}

/* =========================================================
   À PROPOS
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 4rem;
  align-items: center;
}
/* Portrait — cadre or fin avec coins, façon hallmark */
.about-portrait {
  width: 100%;
  max-width: 320px;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.about-portrait__frame {
  position: relative;
  padding: 14px;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.35));
}
.about-portrait__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  pointer-events: none;
  opacity: 0.55;
}
.about-portrait__frame picture { display: block; }
.about-portrait__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 30%;
  filter: contrast(1.02) saturate(0.92);
  transition: transform var(--t-slow) ease;
}
.about-portrait:hover .about-portrait__frame img { transform: scale(1.015); }

/* Fallback monogramme : caché si la photo charge, visible sinon */
.about-portrait__fallback {
  display: none;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  color: var(--accent);
}
.about-portrait__frame.no-image .about-portrait__fallback { display: block; }

/* Petits chevrons aux 4 coins, comme un sceau */
.about-portrait__corner {
  position: absolute;
  width: 18px; height: 18px;
  border-color: var(--accent);
  border-style: solid;
  border-width: 0;
}
.about-portrait__corner--tl { top: 4px; left: 4px;  border-top-width: 1px; border-left-width: 1px; }
.about-portrait__corner--tr { top: 4px; right: 4px; border-top-width: 1px; border-right-width: 1px; }
.about-portrait__corner--bl { bottom: 4px; left: 4px;  border-bottom-width: 1px; border-left-width: 1px; }
.about-portrait__corner--br { bottom: 4px; right: 4px; border-bottom-width: 1px; border-right-width: 1px; }

.about-portrait figcaption {
  margin-top: 1.4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.about-portrait__name {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink);
}
.about-portrait__role {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}
.about-text .lead { margin: 1.2rem 0 1.2rem; }
.about-text h2 em { font-style: italic; color: var(--accent); font-weight: 400; }
.about-para {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.8rem;
  color: var(--ink-soft);
  max-width: 60ch;
}
.about-meta {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.about-meta strong {
  display: inline-block;
  min-width: 7rem;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: stretch;
}
.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.cta-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.8rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
  position: relative;
  color: var(--ink);
}
.cta-card svg {
  width: 28px; height: 28px;
  color: var(--accent);
  flex-shrink: 0;
}
.cta-card h4 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.cta-card p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.4;
}
.cta-arrow {
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform var(--t-fast);
}
.cta-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.cta-card:hover .cta-arrow { transform: translateX(6px); }
.cta-card--primary {
  background: linear-gradient(135deg, var(--accent-soft), transparent 70%), var(--bg-elevated);
  border-color: var(--accent);
}

.contact-direct {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.contact-direct a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0.4rem;
  color: var(--ink);
  border-radius: var(--radius-sm);
  transition: background var(--t-fast), color var(--t-fast), padding var(--t-fast);
}
.contact-direct a:hover { background: var(--bg-overlay); padding-left: 0.9rem; color: var(--accent); }
.contact-direct svg {
  width: 20px; height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-direct .lbl {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.1rem;
}
.contact-direct strong {
  font-weight: 400;
  font-size: 0.95rem;
}

/* Formulaire */
.contact-form {
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.form-intro {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.field label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.field label .opt {
  text-transform: none;
  letter-spacing: 0.04em;
  font-style: italic;
  color: var(--ink-mute);
  font-weight: 300;
}
.field input,
.field textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: 0.7rem 0;
  outline: none;
  transition: border-color var(--t-fast);
}
.field textarea {
  resize: vertical;
  min-height: 110px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
}
.field input:focus-visible,
.field textarea:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.field input.is-error,
.field textarea.is-error { border-color: rgba(220, 80, 60, 0.7); }

/* Focus visible global pour navigation clavier */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.btn:focus-visible { outline-offset: 4px; }

.contact-form .btn { align-self: flex-start; margin-top: 0.6rem; }
.form-note {
  font-size: 0.78rem;
  color: var(--ink-mute);
  font-style: italic;
}
.form-success {
  padding: 1rem 1.2rem;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 0.92rem;
}

/* =========================================================
   Sections placeholder (résiduel)
   ========================================================= */
.placeholder {
  padding: 3rem 2rem;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--ink-mute);
  font-style: italic;
  background: var(--bg-overlay);
}

/* =========================================================
   PAGES LÉGALES (mentions, confidentialité)
   ========================================================= */
.legal {
  padding-top: 8rem;
  padding-bottom: 6rem;
}
.legal h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  margin-bottom: 0.6rem;
}
.legal .updated {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 3rem;
}
.legal h2 {
  font-size: 1.5rem;
  margin: 2.8rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.legal h3 {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 1.6rem 0 0.6rem;
  color: var(--accent);
}
.legal p, .legal li {
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 0.8rem;
}
.legal ul { padding-left: 1.4rem; margin-bottom: 1rem; }
.legal a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.legal a:hover { border-bottom-color: var(--accent); }
.legal .back-home {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 3rem;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 0;
}
.legal .back-home:hover { color: var(--accent); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  padding: 4rem 0 2.5rem;
  border-top: 1px solid var(--line-strong);
  background: var(--bg-soft);
}
.footer-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  max-width: 36ch;
}
.footer-col .footer-title,
.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  font-family: var(--sans);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: var(--ink-soft); font-size: 0.9rem; transition: color var(--t-fast); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--ink-mute);
}

/* =========================================================
   Reveal au scroll
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms cubic-bezier(.2,.7,.3,1), transform 900ms cubic-bezier(.2,.7,.3,1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-row { grid-template-columns: 1fr 1fr; }
  .realisations-grid { grid-template-columns: repeat(2, 1fr); }
  .reasons-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; text-align: left; }
  .about-portrait { max-width: 240px; margin: 0; align-items: flex-start; }
  .about-portrait figcaption { text-align: left; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 720px) {
  .nav-toggle { display: grid; place-items: center; }
  .realisations-grid { grid-template-columns: 1fr; }
  .reasons-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.6rem; }
  .site-nav {
    position: fixed;
    top: 0; right: 0;
    width: min(82vw, 360px);
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.6rem;
    background: var(--bg-elevated);
    border-left: 1px solid var(--line-strong);
    transform: translateX(100%);
    transition: transform var(--t-base);
    box-shadow: var(--shadow-lg);
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { font-size: 1.05rem; }

  .hero-meta { gap: 2rem; }
  .steps { grid-template-columns: 1fr; }
  .footer-row { grid-template-columns: 1fr; gap: 2rem; }
  section { padding: clamp(4rem, 8vw, 6rem) 0; }
  .hero { padding-top: 7rem; }
}

/* Sélection */
::selection { background: var(--accent); color: #0A0A0A; }

/* Skip link (accessibilité clavier) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.7rem 1.2rem;
  background: var(--accent);
  color: #0A0A0A;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: top var(--t-fast);
}
.skip-link:focus { top: 1rem; }

/* Visually hidden (sr-only) */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}