/* =========================================================
   ATELIER VERDE — feuille de style
   ========================================================= */

:root {
  --bg: #ECE6DA;
  --surface: #F6F2EA;
  --surface-2: #E4DDCD;
  --ink: #22241E;
  --ink-2: #565849;
  --ink-3: #8B8A7B;
  --line: #D9D1C0;
  --accent: #2E4A38;
  --accent-2: #3C5E48;
  --on-accent: #F3EFE6;
  --scrim: rgba(22, 24, 18, 0.44);

  --font-display: "Fraunces", Georgia, serif;
  --font-sans: "Archivo", system-ui, sans-serif;

  --container: 1240px;
  --radius: 3px;
  --radius-lg: 5px;
  --pad-section: clamp(76px, 10vw, 148px);

  --ease: cubic-bezier(0.22, 0.8, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #14160F;
  --surface: #1B1E16;
  --surface-2: #23271C;
  --ink: #ECE7D8;
  --ink-2: #AEB09D;
  --ink-3: #7B7D6D;
  --line: #2C3024;
  --accent: #A9C6AE;
  --accent-2: #C0D6C2;
  --on-accent: #14160F;
  --scrim: rgba(6, 8, 4, 0.58);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--on-accent); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 56px);
}

.section { padding-block: var(--pad-section); }

/* ---------- Typographie utilitaire ---------- */
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-2);
}
[data-theme="dark"] .eyebrow { color: var(--accent); }
.eyebrow--light { color: rgba(243, 239, 230, 0.82); }

.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.lead {
  color: var(--ink-2);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.65;
  max-width: 52ch;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  color: var(--accent-2);
  border-bottom: 1px solid transparent;
  transition: gap 0.3s var(--ease), border-color 0.3s var(--ease);
}
.link-arrow span { transition: transform 0.3s var(--ease); }
.link-arrow:hover { gap: 0.75em; border-color: currentColor; }

/* ---------- Boutons ---------- */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: var(--on-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  padding: 12px 22px;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
    color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn--primary { background: var(--btn-bg); color: var(--btn-fg); }
.btn--primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: color-mix(in srgb, var(--ink) 32%, transparent);
}
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--lg { padding: 15px 28px; font-size: 15px; }
.btn--block { width: 100%; }

/* Boutons ghost sur fond sombre (hero) */
.hero .btn--ghost { color: #F3EFE6; border-color: rgba(243, 239, 230, 0.45); }
.hero .btn--ghost:hover { border-color: #F3EFE6; background: rgba(243, 239, 230, 0.08); }

/* ---------- Marque ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark {
  width: 13px; height: 13px; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, var(--accent-2), var(--accent));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 12%, transparent);
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.01em;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px clamp(20px, 5vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
/* état par défaut : sur le hero, texte clair */
.header .brand__name, .header .nav a { color: #F4F0E7; }
.header .brand__mark { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25); }
.header .theme-toggle { color: #F4F0E7; border-color: rgba(244,240,231,0.4); }

.header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--line);
}
.header.is-scrolled .brand__name,
.header.is-scrolled .nav a { color: var(--ink); }
.header.is-scrolled .brand__mark { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 12%, transparent); }
.header.is-scrolled .theme-toggle { color: var(--ink); border-color: var(--line); }

.nav { display: flex; gap: 30px; }
.nav a {
  font-size: 14.5px;
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 14px; }

.theme-toggle {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.theme-toggle:hover { transform: rotate(18deg); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.burger { display: none; }

/* ---------- Menu mobile ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 0 clamp(20px, 8vw, 56px);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.5s var(--ease), opacity 0.4s var(--ease), visibility 0.4s;
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-menu__nav { display: flex; flex-direction: column; gap: 4px; margin-bottom: 28px; }
.mobile-menu__nav a {
  font-family: var(--font-display);
  font-size: clamp(30px, 9vw, 46px);
  font-weight: 400;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

/* ---------- HERO ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(18,20,15,0.42) 0%, rgba(18,20,15,0.08) 34%, rgba(18,20,15,0.82) 100%);
}
.hero__content { position: relative; z-index: 2; color: #F4F0E7; padding-bottom: clamp(64px, 9vw, 120px); padding-top: 140px; }
.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(46px, 8.4vw, 118px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-top: 18px;
}
.hero__lead {
  margin-top: 26px;
  max-width: 46ch;
  font-size: clamp(16px, 1.7vw, 20px);
  color: rgba(244, 240, 231, 0.9);
}
.hero__actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero__reassure {
  margin-top: 40px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(244, 240, 231, 0.72);
}
.hero__reassure i { width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: 0.6; }
.hero__scroll {
  position: absolute; right: clamp(20px, 5vw, 56px); bottom: 34px; z-index: 2;
  color: #F4F0E7; font-size: 20px;
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid rgba(244,240,231,0.4); border-radius: 50%;
  animation: bob 2.4s var(--ease) infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ---------- PREUVE ---------- */
.proof__grid { display: grid; grid-template-columns: 1fr; gap: clamp(40px, 6vw, 84px); }
.proof__intro .h2 { margin-top: 20px; }
.proof__intro .lead { margin-top: 22px; }
.proof__list { list-style: none; display: grid; gap: 4px; }
.proof__list li {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: start;
  padding: 26px 0; border-top: 1px solid var(--line);
}
.proof__list li:last-child { border-bottom: 1px solid var(--line); }
.proof__num { font-family: var(--font-display); font-size: 20px; color: var(--accent-2); }
[data-theme="dark"] .proof__num { color: var(--accent); }
.proof__list h3 { font-size: 19px; font-weight: 600; }
.proof__list p { margin-top: 6px; color: var(--ink-2); font-size: 15.5px; max-width: 46ch; }

/* ---------- Section head ---------- */
.section-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: clamp(40px, 5vw, 68px);
}
.section-head .h2 { margin-top: 18px; }
.section-head__note { color: var(--ink-2); max-width: 34ch; font-size: 15.5px; }

/* ---------- RÉALISATIONS ---------- */
.works { background: var(--surface); }
.works__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 3vw, 52px) clamp(16px, 2.4vw, 34px);
  align-items: start;
}
.work:nth-child(even) { margin-top: clamp(34px, 7vw, 104px); }
.work__media { position: relative; overflow: hidden; border-radius: var(--radius-lg); aspect-ratio: 3 / 2; }
.work--tall .work__media { aspect-ratio: 4 / 5; }
.work--wide .work__media { aspect-ratio: 4 / 5; }
.work__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.work__link:hover .work__media img { transform: scale(1.045); }
.work__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(16,18,12,0.32), transparent 46%);
  opacity: 0; transition: opacity 0.5s var(--ease);
}
.work__link:hover .work__media::after { opacity: 1; }
.work__meta { padding-top: 16px; }
.work__meta h3 { font-family: var(--font-display); font-weight: 500; font-size: clamp(18px, 1.8vw, 23px); }
.work__info { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--ink-3); font-size: 13px; letter-spacing: 0.02em; }
.work__info span { position: relative; }
.work__info span + span::before { content: "·"; position: absolute; left: -10px; }

/* ---------- SERVICES ---------- */
.services__grid { display: grid; grid-template-columns: 1fr; gap: clamp(40px, 5vw, 72px); }
.services__head .h2 { margin-top: 18px; }
.services__head .lead { margin-top: 20px; }
.services__head .link-arrow { margin-top: 26px; }
.services__list { list-style: none; display: grid; gap: 0; }
.service {
  padding: 28px 0; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: baseline;
  transition: padding-left 0.4s var(--ease);
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service:hover { padding-left: 10px; }
.service__num { font-family: var(--font-display); font-size: 17px; color: var(--ink-3); }
.service h3 { font-family: var(--font-display); font-weight: 500; font-size: clamp(20px, 2.2vw, 27px); }
.service p { grid-column: 2; margin-top: 8px; color: var(--ink-2); font-size: 15.5px; max-width: 52ch; }

/* ---------- MÉTHODE ---------- */
.method { background: var(--surface); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(20px, 2vw, 32px); counter-reset: s; }
.step { position: relative; padding-top: 30px; border-top: 2px solid var(--accent); }
.step__num { font-family: var(--font-display); font-size: 15px; color: var(--accent-2); letter-spacing: 0.05em; }
[data-theme="dark"] .step__num { color: var(--accent); }
.step h3 { margin-top: 14px; font-size: 18px; font-weight: 600; }
.step p { margin-top: 10px; color: var(--ink-2); font-size: 14.5px; }

/* ---------- INSPIRATION ---------- */
.inspiration { position: relative; padding-block: clamp(96px, 14vw, 200px); overflow: hidden; display: flex; align-items: center; }
.inspiration__media { position: absolute; inset: 0; }
.inspiration__media img { width: 100%; height: 100%; object-fit: cover; }
.inspiration__scrim { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(12,16,10,0.82), rgba(12,16,10,0.5)); }
.inspiration__content { position: relative; z-index: 2; color: #F4F0E7; max-width: 900px; }
.inspiration__quote {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin-top: 22px;
}
.inspiration__sign { margin-top: 24px; font-size: 14px; letter-spacing: 0.08em; color: rgba(244,240,231,0.75); }

/* ---------- TÉMOIGNAGES ---------- */
.testimonials__grid { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); }
.quote { border-top: 1px solid var(--line); padding-top: 26px; }
.quote blockquote { font-family: var(--font-display); font-weight: 400; font-size: clamp(18px, 1.7vw, 22px); line-height: 1.4; }
.quote figcaption { margin-top: 20px; display: flex; flex-direction: column; gap: 2px; }
.quote figcaption strong { font-weight: 600; font-family: var(--font-sans); font-size: 15px; }
.quote figcaption span { color: var(--ink-3); font-size: 13.5px; }

/* ---------- À PROPOS ---------- */
.about__grid { display: grid; grid-template-columns: 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.about__media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 5 / 6; }
.about__media img { width: 100%; height: 100%; object-fit: cover; }
.about__text .h2 { margin-top: 18px; }
.about__text .lead { margin-top: 22px; }
.about__text > p { margin-top: 16px; color: var(--ink-2); max-width: 52ch; }
.about__stats { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 32px 48px; }
.about__stats dt { font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px); font-weight: 400; color: var(--accent-2); line-height: 1; }
[data-theme="dark"] .about__stats dt { color: var(--accent); }
.about__stats dd { margin-top: 8px; color: var(--ink-3); font-size: 13.5px; max-width: 18ch; }

/* ---------- CONTACT ---------- */
.contact { background: var(--surface); }
.contact__grid { display: grid; grid-template-columns: 1fr; gap: clamp(44px, 5vw, 80px); }
.contact__intro .h2 { margin-top: 18px; }
.contact__intro .lead { margin-top: 20px; }
.contact__info { margin-top: 40px; display: grid; gap: 26px; }
.contact__label { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-2); font-weight: 600; }
[data-theme="dark"] .contact__label { color: var(--accent); }
.contact__info p { margin-top: 8px; color: var(--ink-2); line-height: 1.55; }

.contact__form { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 3vw, 40px); }
.field { margin-bottom: 20px; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; letter-spacing: 0.02em; color: var(--ink-2); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  font-family: var(--font-sans); font-size: 15px; color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field textarea { resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.contact__success { margin-top: 16px; font-size: 14px; color: var(--accent-2); }
[data-theme="dark"] .contact__success { color: var(--accent); }
.contact__success em { color: var(--ink-3); font-style: italic; }

/* ---------- FOOTER ---------- */
.footer { background: var(--bg); border-top: 1px solid var(--line); padding-top: clamp(56px, 7vw, 96px); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer__brand p { margin-top: 16px; color: var(--ink-2); max-width: 34ch; font-size: 15px; }
.footer__nav { display: flex; flex-direction: column; gap: 10px; }
.footer__nav a { color: var(--ink-2); font-size: 15px; transition: color 0.3s var(--ease); }
.footer__nav a:hover { color: var(--ink); }
.footer__demo-tag { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-2); font-weight: 600; margin-bottom: 12px; }
[data-theme="dark"] .footer__demo-tag { color: var(--accent); }
.footer__demo p { color: var(--ink-3); font-size: 14px; line-height: 1.6; }
.footer__demo a { color: var(--ink); border-bottom: 1px solid var(--accent); }
.footer__base {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-block: 24px; border-top: 1px solid var(--line);
  color: var(--ink-3); font-size: 13px;
}
.to-top { background: none; border: none; color: var(--ink-2); font-family: var(--font-sans); font-size: 13px; cursor: pointer; transition: color 0.3s var(--ease); }
.to-top:hover { color: var(--ink); }

/* ---------- Reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (min-width: 820px) {
  .proof__grid { grid-template-columns: 1.05fr 0.95fr; align-items: start; }
  .services__grid { grid-template-columns: 0.85fr 1.15fr; }
  .services__head { position: sticky; top: 110px; align-self: start; }
  .about__grid { grid-template-columns: 0.85fr 1.15fr; }
  .contact__grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (max-width: 980px) {
  .steps { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .testimonials__grid { grid-template-columns: 1fr; gap: 0; }
  .quote { padding-block: 24px; }
  .quote + .quote { border-top: 1px solid var(--line); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav, .header__cta { display: none; }
  .burger { display: inline-flex; flex-direction: column; gap: 5px; width: 38px; height: 38px; align-items: center; justify-content: center; background: none; border: 1px solid rgba(244,240,231,0.4); border-radius: 50%; cursor: pointer; }
  .header.is-scrolled .burger { border-color: var(--line); }
  .burger span { width: 16px; height: 1.5px; background: #F4F0E7; transition: transform 0.35s var(--ease), opacity 0.3s var(--ease); }
  .header.is-scrolled .burger span { background: var(--ink); }
  .burger.is-active span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
  .burger.is-active span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

  .works__grid { grid-template-columns: 1fr; }
  .work, .work--tall, .work--wide { grid-column: 1 / -1; grid-row: auto; }
  .work:nth-child(even) { margin-top: 0; }
  .work__media, .work--tall .work__media, .work--wide .work__media { aspect-ratio: 4 / 3; }

  .steps { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .field--row { grid-template-columns: 1fr; }
  .hero__reassure { gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero__scroll { animation: none; }
  .work__link:hover .work__media img { transform: none; }
}