/* LADI Website — UI Kit shared styles */
@import url('colors_and_type.css');

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-200);
}
.site-header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.site-logo { display:flex; align-items:center; gap:10px; text-decoration:none; }
.site-logo img { height: 38px; width:auto; }
.site-nav { display:flex; gap: 28px; align-items: center; }
.site-nav > a, .site-nav .nav-dropdown > a {
  font-family: var(--font-display);
  font-size: 14px; font-weight: 600;
  color: var(--ink-800);
  text-decoration: none;
  letter-spacing: -0.005em;
  transition: color .15s var(--ease-out);
}
.site-nav > a:hover, .site-nav .nav-dropdown > a:hover { color: var(--brand-deep); }
.site-nav > a.active, .site-nav .nav-dropdown > a.active { color: var(--brand-deep); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; padding: 6px 0; }
.nav-dropdown > a::after {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23625444' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M3 4.5 6 7.5 9 4.5'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
  transition: transform .25s var(--ease-out);
  opacity: .65;
}
.nav-dropdown:hover > a::after, .nav-dropdown:focus-within > a::after { transform: rotate(-180deg); opacity: 1; }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 340px;
  padding: 8px;
  background: #fff;
  border: 1px solid rgba(20,15,12,.08);
  border-radius: 16px;
  box-shadow:
    0 1px 1px rgba(20,15,12,.04),
    0 8px 24px -6px rgba(20,15,12,.12),
    0 24px 48px -12px rgba(20,15,12,.18);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s var(--ease-out), transform .2s var(--ease-out), visibility 0s linear .2s;
  z-index: 100;
}
/* Hover bridge so the menu doesn't close when crossing the gap */
.nav-dropdown-menu::before {
  content: "";
  position: absolute;
  top: -14px; left: 0; right: 0; height: 14px;
}
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  transition: opacity .2s var(--ease-out), transform .2s var(--ease-out), visibility 0s linear 0s;
}

.nav-dropdown-menu a {
  position: relative;
  display: flex; gap: 14px; align-items: center;
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--fg-1);
  transition: background .15s var(--ease-out);
}
.nav-dropdown-menu a + a { margin-top: 2px; }
.nav-dropdown-menu a:hover { background: var(--ink-50); }
.nav-dropdown-menu a::after {
  content: "";
  position: absolute;
  right: 14px; top: 50%; transform: translateY(-50%) translateX(-4px);
  width: 16px; height: 16px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23625444' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><path d='M6 4 10 8 6 12'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  transition: opacity .2s var(--ease-out), transform .2s var(--ease-out);
}
.nav-dropdown-menu a:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); }

.nav-dropdown-menu .nd-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink-50);
  position: relative;
  transition: transform .2s var(--ease-out);
}
.nav-dropdown-menu a:hover .nd-icon { transform: scale(1.05); }
.nav-dropdown-menu .nd-text { display: flex; flex-direction: column; gap: 2px; }
.nav-dropdown-menu .nd-title {
  font-family: var(--font-display);
  font-weight: 700; font-size: 14.5px;
  color: var(--fg-1);
  letter-spacing: -.005em;
  line-height: 1.25;
}
.nav-dropdown-menu .nd-sub {
  font-size: 12.5px;
  color: var(--fg-3);
  line-height: 1.35;
}
.nav-dropdown-menu .nd-divider {
  margin: 6px 8px;
  height: 1px;
  background: var(--ink-200);
}
.nav-dropdown-menu .nd-foot {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.nav-dropdown-menu .nd-foot strong {
  color: var(--brand-deep);
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 8px; border: 0;
  cursor: pointer; text-decoration: none;
  transition: all .2s var(--ease-out);
  letter-spacing: -.005em;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); }
.btn-gradient { background: var(--gradient-heat-diagonal); color: #fff; box-shadow: var(--shadow-glow); }
.btn-gradient:hover { filter: brightness(1.05); }
.btn-secondary { background: #fff; color: var(--ink-950); border: 1.5px solid var(--ink-700); }
.btn-secondary:hover { background: var(--ink-50); }
.btn-dark { background: var(--ink-950); color: #fff; }
.btn-dark:hover { background: var(--ink-800); }
.btn-ghost { background: transparent; color: var(--ink-950); padding: 13px 14px; }
.btn-ghost:hover { color: var(--brand-deep); }

/* ---------- Layout ---------- */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-dark { background: var(--ink-950); color: #fff; }
.section-warm { background: var(--ink-50); }
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: var(--content-narrow); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Type helpers ---------- */
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--brand);
}
.section-dark .eyebrow { color: var(--ladi-gold); }
.h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(40px, 5.6vw, 80px);
  line-height: 1.02; letter-spacing: -0.03em;
  margin: 0; text-wrap: balance;
}
.h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.05; letter-spacing: -0.02em;
  margin: 0; text-wrap: balance;
}
.h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 22px; line-height: 1.2; margin: 0;
}
.lead {
  font-size: 20px; line-height: 1.5; color: var(--fg-2);
  text-wrap: pretty; max-width: 60ch; margin: 0;
}
.section-dark .lead { color: rgba(255,255,255,.78); }
.heat-text {
  background: var(--gradient-heat);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-950); color: #fff; padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--ladi-gold); margin: 0 0 16px;
}
.footer-col a { display: block; color: rgba(255,255,255,.78); text-decoration: none; padding: 5px 0; font-size: 14px; }
.footer-col a:hover { color: var(--ladi-gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 64px; padding-top: 24px;
  display: flex; justify-content: space-between;
  font-size: 12px; color: rgba(255,255,255,.5);
  font-family: var(--font-mono);
}
.footer-logo img { height: 44px; filter: brightness(0) invert(1); }

/* ---------- Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--ink-200);
  border-radius: 12px; padding: 28px;
  transition: all .25s var(--ease-out);
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--ink-300); }
.card-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: rgba(255,107,26,.12);
  color: var(--brand-deep);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card-editorial {
  background: #fff; border-radius: 20px; overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all .25s var(--ease-out);
}
.card-editorial:hover { box-shadow: var(--shadow-lg); }
.card-editorial-img {
  height: 220px;
  background: linear-gradient(135deg, var(--ink-700), var(--ink-950));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.5); font-family: var(--font-mono); font-size: 12px;
  position: relative; overflow: hidden;
}
.card-editorial-body { padding: 24px 26px 28px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink-950);
  color: #fff;
  padding: 120px 0 110px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(95deg, rgba(20,15,12,.92) 0%, rgba(20,15,12,.7) 45%, rgba(20,15,12,.4) 75%, rgba(20,15,12,.55) 100%),
    url("assets/photos/destratificateur-charpente-1.jpeg") center/cover no-repeat;
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(1200px 600px at 80% 20%, rgba(255,107,26,.18), transparent 60%),
    radial-gradient(800px 400px at 20% 80%, rgba(255,198,0,.10), transparent 60%);
  pointer-events: none;
}
.hero-arc {
  position: absolute; top: 0; right: 0; pointer-events: none;
  width: 70%; height: 100%; opacity: .9;
}
.hero-content { position: relative; max-width: 720px; }
.hero h1 { color: #fff; font-size: clamp(44px, 6vw, 88px); }
.hero .lead { color: rgba(255,255,255,.78); margin-top: 28px; font-size: 22px; }
.hero-cta { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Bento / feature grid ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--ink-100);
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 20px 16px;
  background: linear-gradient(0deg, rgba(20,15,12,.92) 0%, rgba(20,15,12,.5) 60%, transparent 100%);
  color: #fff;
}
.gallery-item .g-cap-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--ladi-gold);
  margin-bottom: 4px;
}
.gallery-item .g-cap-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.gallery-item.gallery-tall { grid-row: span 2; }
.gallery-item.gallery-wide { grid-column: span 2; }
@media (max-width: 980px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .gallery-item.gallery-tall, .gallery-item.gallery-wide { grid-row: auto; grid-column: auto; }
}
@media (max-width: 880px) {
  .feature-grid, .feature-grid-2, .footer-grid { grid-template-columns: 1fr 1fr; }
  .site-nav { display: none; }
}
@media (max-width: 560px) {
  .feature-grid, .feature-grid-2, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}

/* ---------- Stat block ---------- */
.stat-num {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.95; letter-spacing: -0.04em;
  background: var(--gradient-heat);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stat-label { font-size: 15px; color: var(--fg-2); margin-top: 8px; }
.section-dark .stat-label { color: rgba(255,255,255,.7); }

/* ---------- Forms ---------- */
.field { display: block; margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--fg-3); margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%; box-sizing: border-box;
  font-family: var(--font-body); font-size: 15px; color: var(--fg-1);
  background: #fff; border: 1px solid var(--ink-200);
  border-radius: 8px; padding: 13px 14px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(255,107,26,.15);
}
.field textarea { min-height: 120px; resize: vertical; }

/* ---------- Heat schematic (used on home & product) ---------- */
.heat-schematic {
  position: relative;
  border-radius: 20px;
  background: linear-gradient(180deg, #FFC600 0%, #FFA606 25%, #FF870E 60%, #FF5819 100%);
  height: 360px;
  overflow: hidden;
}
.heat-schematic .building {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.0) 0%, rgba(0,0,0,.0) 60%, rgba(14,42,58,.4) 100%);
}
.heat-schematic .floor {
  position: absolute; left: 0; right: 0; bottom: 0; height: 30%;
  background: linear-gradient(180deg, rgba(14,42,58,.0), rgba(14,42,58,.55));
}
.heat-schematic .device {
  position: absolute; top: 30px; left: 50%; transform: translateX(-50%);
  width: 80px; height: 22px; border-radius: 4px;
  background: var(--ink-950);
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
.heat-schematic .device::before {
  content:""; position:absolute; left:50%; top:100%; transform:translateX(-50%);
  border:7px solid transparent; border-top-color: var(--ink-950);
}
.heat-schematic .label-top, .heat-schematic .label-bot {
  position: absolute; left: 24px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  color: #fff; padding: 4px 10px; border-radius: 999px;
  background: rgba(0,0,0,.35); backdrop-filter: blur(6px);
}
.heat-schematic .label-top { top: 18px; }
.heat-schematic .label-bot { bottom: 18px; }