/* ==========================================================================
   Alliance Interior — design tokens & front-end styles
   Brand: bg #000000 · ink #bdbec2 · accent #de6b1f
   ========================================================================== */

:root {
  --bg: #000000;
  --bg-raised: #121212;
  --ink: #bdbec2;
  --ink-soft: #8a8b90;
  --accent: #de6b1f;
  --line: #2a2a2a;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Jost', sans-serif;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 112px;
  --content-width: 1200px;
}

.ai-page * {
  box-sizing: border-box;
}

.ai-page {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}

.ai-page h1,
.ai-page h2,
.ai-page h3 {
  font-family: var(--font-display);
  color: #fff;
  line-height: 1.08;
  margin: 0;
  letter-spacing: 0.01em;
}

.ai-page h1 { font-weight: 700; }
.ai-page h2 { font-weight: 600; }
.ai-page h3 { font-weight: 600; }

.ai-page p {
  max-width: 62ch;
}

.ai-page a {
  color: inherit;
}

.ai-wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (max-width: 640px) {
  .ai-wrap { padding: 0 var(--space-sm); }
}

.ai-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.ai-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 16px 30px;
  border-radius: 2px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.ai-btn--primary {
  background: var(--accent);
  color: #111;
  font-weight: 600;
}
.ai-btn--primary:hover { transform: translateY(-2px); }

.ai-btn--ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.ai-btn--ghost:hover { border-color: var(--accent); color: #fff; }

/* ---------- Hero ---------- */

.ai-hero {
  position: relative;
  padding: var(--space-xl) 0 var(--space-lg);
  overflow: hidden;
}

.ai-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-lg);
  align-items: center;
}

.ai-hero__title {
  font-size: clamp(38px, 5vw, 64px);
  max-width: 12ch;
}

.ai-hero__title em {
  font-style: normal;
  color: var(--accent);
}

.ai-hero__subtext {
  margin: var(--space-sm) 0 var(--space-md);
  font-size: 18px;
  color: var(--ink);
}

.ai-hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.ai-hero__media {
  position: relative;
}

.ai-hero__media img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  display: block;
  transform: translateX(var(--space-lg));
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.7);
}

.ai-hero__media::before {
  content: '';
  position: absolute;
  inset: var(--space-md) calc(-1 * var(--space-md)) calc(-1 * var(--space-md)) var(--space-md);
  border: 1px solid var(--accent);
  z-index: -1;
  transform: translateX(var(--space-lg));
}

@media (max-width: 900px) {
  .ai-hero__grid { grid-template-columns: 1fr; }
  .ai-hero__media img,
  .ai-hero__media::before { transform: none; }
  .ai-hero__media img { height: 340px; }
}

/* ---------- Intro / marque ---------- */

.ai-section {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
}

.ai-intro__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-lg);
}

@media (max-width: 800px) {
  .ai-intro__grid { grid-template-columns: 1fr; }
}

.ai-intro__zones {
  margin-top: var(--space-sm);
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------- Process steps ---------- */

.ai-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

@media (max-width: 900px) {
  .ai-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .ai-steps { grid-template-columns: 1fr; }
}

.ai-step {
  border-top: 1px solid var(--line);
  padding-top: var(--space-sm);
}

.ai-step__num {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.ai-step img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  margin: var(--space-sm) 0;
  filter: invert(60%) sepia(45%) saturate(1200%) hue-rotate(345deg);
}

.ai-step h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.ai-step p {
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- Category teasers ---------- */

.ai-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  margin-top: var(--space-md);
}

@media (max-width: 800px) {
  .ai-cats { grid-template-columns: 1fr; }
}

.ai-cat {
  position: relative;
  background: var(--bg);
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  overflow: hidden;
}

.ai-cat img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.ai-cat:hover img {
  transform: scale(1.05);
  opacity: 0.75;
}

.ai-cat::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.92) 100%);
}

.ai-cat__label {
  position: relative;
  z-index: 1;
  padding: var(--space-md);
}

.ai-cat__label .ai-eyebrow { margin-bottom: 4px; }

.ai-cat__label h3 {
  font-size: 22px;
  color: #fff;
}

.ai-cat__label span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- Realisation grid (taxonomy archive) ---------- */

.ai-archive-head {
  padding: var(--space-xl) 0 var(--space-md);
}

.ai-archive-head h1 {
  font-size: clamp(32px, 4.5vw, 52px);
}

.ai-terms-nav {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.ai-terms-nav a {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 10px 18px;
  border: 1px solid var(--line);
}

.ai-terms-nav a.is-active,
.ai-terms-nav a:hover {
  color: #fff;
  border-color: var(--accent);
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

@media (max-width: 900px) {
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .ai-grid { grid-template-columns: 1fr; }
}

.ai-card {
  text-decoration: none;
  color: var(--ink);
}

.ai-card__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-raised);
}

.ai-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ai-card:hover .ai-card__media img {
  transform: scale(1.04);
}

.ai-card h3 {
  margin-top: var(--space-sm);
  font-size: 18px;
}

.ai-empty {
  padding: var(--space-lg) 0;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
}

/* ---------- Single réalisation ---------- */

.ai-single__media img {
  width: 100%;
  max-height: 640px;
  object-fit: cover;
  display: block;
}

.ai-single__body {
  padding: var(--space-lg) 0;
  max-width: 74ch;
}

.ai-single__body h1 {
  font-size: clamp(30px, 4vw, 44px);
  margin-bottom: var(--space-sm);
}

.ai-single__body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: var(--space-md) 0;
}

/* ---------- Site header (Elementor) ---------- */

.ai-site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}

.ai-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 18px 0;
}

.ai-site-header__logo img {
  height: 40px;
  width: auto;
  display: block;
}

.ai-site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ai-site-header__nav a {
  text-decoration: none;
  color: var(--ink);
  transition: color 0.2s ease;
}

.ai-site-header__nav a:hover {
  color: var(--accent);
}

.ai-site-header__cta {
  padding: 10px 20px;
  color: #111 !important;
}

.ai-site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.ai-site-header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.ai-site-header__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ai-site-header__toggle.is-open span:nth-child(2) { opacity: 0; }
.ai-site-header__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .ai-site-header__toggle { display: flex; }

  .ai-site-header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }

  .ai-site-header__nav.is-open {
    display: flex;
  }

  .ai-site-header__nav a {
    width: 100%;
    padding: 16px var(--space-sm);
    border-top: 1px solid var(--line);
  }

  .ai-site-header__cta {
    margin: var(--space-sm);
    text-align: center;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-site-header__toggle span {
    transition: none !important;
  }
}

/* ---------- Site footer (Elementor) ---------- */

.ai-site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
}

.ai-site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-md);
}

@media (max-width: 700px) {
  .ai-site-footer__grid { grid-template-columns: 1fr; gap: var(--space-md); }
}

.ai-site-footer__logo {
  height: 36px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.ai-site-footer__brand p {
  color: var(--ink-soft);
  font-size: 14px;
}

.ai-site-footer p {
  font-size: 14px;
  margin: 0 0 8px;
}

.ai-site-footer a {
  text-decoration: none;
  color: var(--ink);
}

.ai-site-footer a:hover {
  color: var(--accent);
}

.ai-site-footer__bottom {
  border-top: 1px solid var(--line);
  padding: var(--space-sm) 0 var(--space-md);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  justify-content: space-between;
}

.ai-site-footer__legal {
  display: flex;
  gap: var(--space-md);
}

/* ---------- Contact page (Elementor form) ---------- */

.ai-contact-head { padding-bottom: 4px; }

.ai-contact-form-wrap {
  max-width: 760px;
}

.ai-contact-form-wrap .elementor-field-group {
  margin-bottom: var(--space-sm);
}

.ai-contact-form-wrap .elementor-field-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.ai-contact-form-wrap .elementor-field,
.ai-contact-form-wrap select.elementor-field,
.ai-contact-form-wrap textarea.elementor-field {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  color: #fff;
  border-radius: 2px;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 15px;
}

.ai-contact-form-wrap .elementor-field:focus,
.ai-contact-form-wrap select.elementor-field:focus,
.ai-contact-form-wrap textarea.elementor-field:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-contact-form-wrap .elementor-button {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent) !important;
  color: #111 !important;
  border-radius: 2px !important;
  padding: 16px 30px !important;
  border: none !important;
}

.ai-contact-form-wrap .elementor-message-success {
  color: var(--accent);
}