/* ============================================================
   FONTE LB CASTING — Design System
   Warm near-black + 3-stop metallic gold · Cormorant/Marcellus/Figtree
   ============================================================ */

:root {
  --ink: #0d0b08;
  --surface: #161310;
  --surface-2: #1d1913;
  --hairline: rgba(201, 164, 69, 0.16);
  --hairline-soft: rgba(201, 164, 69, 0.08);
  --gold-hi: #e8cf7f;
  --gold: #c9a445;
  --gold-lo: #8a6d2b;
  --steel: #3d4a52;
  --steel-hi: #8fa3ad;
  --cream: #f5efe4;
  --stone: #a89f8d;
  --metal-grad: linear-gradient(135deg, #8a6d2b 0%, #c9a445 45%, #e8cf7f 55%, #c9a445 70%, #8a6d2b 100%);
  --steel-grad: linear-gradient(135deg, #2c363c 0%, #5c707b 45%, #a7bac4 55%, #5c707b 70%, #2c363c 100%);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-label: "Marcellus", Georgia, serif;
  --font-body: "Figtree", "Avenir Next", -apple-system, sans-serif;
  --nav-h: 76px;
  --ease-lux: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Film grain — kills gradient banding, adds material feel */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--gold); color: var(--ink); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Type utilities ---------- */

.label {
  font-family: var(--font-label);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.label::before {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: var(--metal-grad);
  flex: none;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 300; line-height: 1.08; }

h1 { font-size: clamp(2.6rem, 6.4vw, 5.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(2.1rem, 4.6vw, 3.7rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.8rem); font-weight: 400; }

.gradient-word {
  background: var(--metal-grad);
  background-size: 250% 250%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shimmer 9s ease-in-out infinite;
  font-style: italic;
  padding-right: 0.06em; /* italic overhang clip guard */
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
}

.lead { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--stone); max-width: 46em; }

/* ---------- Reveal initial states (animated with gsap.to only) ---------- */

.reveal { opacity: 0; transform: translateY(46px); }
.reveal-line { overflow: hidden; }
.reveal-line > span { display: inline-block; transform: translateY(110%); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .reveal-line > span { transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Layout ---------- */

.container { width: min(1200px, 92vw); margin-inline: auto; }
section { position: relative; padding: clamp(6rem, 12vh, 9rem) 0; }
.section-head { display: grid; gap: 1.4rem; margin-bottom: clamp(3rem, 6vh, 4.5rem); }

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.5s, border-color 0.5s, height 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(13, 11, 8, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline-soft);
}
.nav-inner { width: min(1320px, 94vw); margin-inline: auto; display: flex; align-items: center; gap: 2.5rem; }
.nav-logo { display: flex; align-items: center; gap: 0.85rem; margin-right: auto; }
.nav-logo img { height: 40px; width: auto; mix-blend-mode: screen; }
.nav-logo span {
  font-family: var(--font-label);
  letter-spacing: 0.24em;
  font-size: 0.82rem;
  color: var(--cream);
  white-space: nowrap;
}
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a {
  white-space: nowrap;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  transition: color 0.3s;
  position: relative;
  padding: 0.4rem 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--metal-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-lux);
}
.nav-links a:hover { color: var(--cream); }
.nav-links a:hover::after { transform: scaleX(1); }

.lang-switch {
  font-family: var(--font-label);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--stone);
  border: 1px solid var(--hairline);
  padding: 0.45rem 0.9rem;
  transition: color 0.3s, border-color 0.3s;
}
.lang-switch:hover { color: var(--gold-hi); border-color: var(--gold); }

/* Narrow desktop / tablet: drop the wordmark before the nav can collide with it */
@media (max-width: 1180px) {
  .nav-inner { gap: 1.5rem; }
  .nav-logo span { display: none; }
  .nav-links { gap: 1.15rem; }
  .nav-links a { font-size: 0.72rem; letter-spacing: 0.08em; }
  .nav .btn { padding: 0.7rem 1.1rem; font-size: 0.75rem; letter-spacing: 0.1em; }
}

/* Burger (mobile) */
.burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; z-index: 130; }
.burger span { display: block; width: 26px; height: 1px; background: var(--cream); margin: 7px 0; transition: transform 0.4s, opacity 0.4s; }
.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 1.05rem 2.2rem;
  border: 1px solid var(--gold);
  color: var(--gold-hi);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: transparent;
  transition: color 0.4s, border-color 0.4s;
  will-change: transform;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(232, 207, 127, 0.22) 50%, transparent 80%);
  transform: translateX(-110%);
  transition: transform 0.7s var(--ease-lux);
}
.btn:hover::before { transform: translateX(110%); }
.btn:hover { border-color: var(--gold-hi); color: var(--cream); }
.btn--solid { background: var(--metal-grad); background-size: 200% 200%; color: var(--ink); font-weight: 600; border: none; }
.btn--solid:hover { color: var(--ink); background-position: 90% 90%; }
.btn--ghost { border-color: var(--hairline); color: var(--stone); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-hi); }

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

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-h) + 3rem);
  overflow: hidden;
}
.hero-blob {
  position: absolute;
  width: 60vmax; height: 60vmax;
  top: -12vmax; right: -18vmax;
  background: radial-gradient(circle at 40% 40%, rgba(232, 207, 127, 0.14), rgba(138, 109, 43, 0.07) 45%, transparent 70%);
  filter: blur(70px);
  border-radius: 50%;
  animation: drift 22s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero-blob--2 {
  top: auto; right: auto;
  bottom: -25vmax; left: -15vmax;
  width: 50vmax; height: 50vmax;
  background: radial-gradient(circle at 60% 60%, rgba(201, 164, 69, 0.08), transparent 65%);
  animation-duration: 28s;
  animation-delay: -8s;
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-6vmax, 5vmax, 0) scale(1.15); }
}
@media (prefers-reduced-motion: reduce) { .hero-blob { animation: none; } }

.hero-monogram {
  position: absolute;
  right: 4vw;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(260px, 32vw, 520px);
  opacity: 0.16;
  mix-blend-mode: screen;
  pointer-events: none;
  user-select: none;
  -webkit-mask-image: radial-gradient(closest-side, #000 45%, transparent 98%);
  mask-image: radial-gradient(closest-side, #000 45%, transparent 98%);
}

.hero .label { margin-bottom: 2rem; }
.hero h1 { max-width: 11.5em; margin-bottom: 1.8rem; }
.hero .lead { margin-bottom: 2.6rem; }

.hero-chips { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 3rem; }
.chip {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  border: 1px solid var(--hairline);
  padding: 0.55rem 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(22, 19, 16, 0.5);
}
.chip b { color: var(--gold-hi); font-weight: 500; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 1.2rem; }

.scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, transparent, var(--gold));
  transform-origin: top;
}

/* ---------- Marquee trust strip ---------- */

.marquee {
  border-block: 1px solid var(--hairline-soft);
  padding: 1.5rem 0;
  overflow: hidden;
  background: var(--surface);
}
.marquee-track { display: flex; gap: 4rem; width: max-content; animation: marquee 34s linear infinite; }
.marquee span {
  font-family: var(--font-label);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--stone);
  display: flex;
  align-items: center;
  gap: 4rem;
  white-space: nowrap;
}
.marquee span i { color: var(--gold); font-style: normal; font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ---------- Maison (about) ---------- */

#maison {
  background-image:
    linear-gradient(90deg, rgba(13, 11, 8, 0.94) 0%, rgba(13, 11, 8, 0.86) 52%, rgba(13, 11, 8, 0.92) 100%),
    url('../assets/atelier-wide.jpg');
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
}
.maison-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(3rem, 6vw, 6rem); align-items: start; }
.maison-copy p { color: var(--stone); margin-bottom: 1.4rem; }
.maison-copy p strong { color: var(--cream); font-weight: 500; }

.founders { display: grid; gap: 1.6rem; }
.founder {
  border: 1px solid var(--hairline-soft);
  background: var(--surface);
  padding: 2rem;
  display: grid;
  grid-template-columns: 124px 1fr;
  gap: 1.7rem;
  align-items: start;
  transition: border-color 0.4s, transform 0.4s var(--ease-lux);
}
.founder:hover { border-color: var(--hairline); transform: translateY(-4px); }
.founder-portrait {
  width: 124px; height: 155px;
  background: var(--surface-2);
  border: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold-lo);
  overflow: hidden;
}
.founder-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-lux);
}
.founder:hover .founder-portrait img { transform: scale(1.05); }
.founder h3 { margin-bottom: 0.2rem; }
.founder .role {
  font-family: var(--font-label);
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.8rem;
}
.founder p { font-size: 0.95rem; color: var(--stone); }

/* ---------- Process (signature pinned timeline) ---------- */

.process { background: var(--surface); border-block: 1px solid var(--hairline-soft); }
.process-grid { display: grid; grid-template-columns: 380px 1fr; gap: clamp(3rem, 6vw, 7rem); }

.process-rail {
  position: sticky;
  top: calc(var(--nav-h) + 8vh);
  height: min(72vh, 620px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-self: start;
}
.process-numeral {
  font-family: var(--font-display);
  font-size: clamp(7rem, 16vh, 11rem);
  line-height: 0.9;
  background: var(--metal-grad);
  background-size: 250% 250%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: shimmer 9s ease-in-out infinite;
}
.process-rail-title { font-family: var(--font-display); font-size: 1.7rem; color: var(--cream); min-height: 2.4em; }
.process-line { position: relative; width: 1px; flex: 1; margin: 2rem 0; background: var(--hairline-soft); }
.process-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--metal-grad);
  transform: scaleY(0);
  transform-origin: top;
}

.process-steps { display: grid; gap: clamp(4rem, 10vh, 7rem); padding-block: 4vh 10vh; }
.process-step {
  border-left: 1px solid var(--hairline-soft);
  padding-left: clamp(1.6rem, 3vw, 2.8rem);
  max-width: 620px;
  transition: border-color 0.5s;
}
.process-step.active { border-color: var(--gold); }
.process-step .step-index {
  font-family: var(--font-label);
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  display: block;
  margin-bottom: 0.9rem;
}
.process-step h3 { margin-bottom: 0.9rem; }
.process-step p { color: var(--stone); }
.process-step .step-visual {
  margin-top: 1.6rem;
  aspect-ratio: 16 / 9;
  background: var(--surface-2);
  border: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.process-step .step-visual svg { width: 34%; height: auto; opacity: 0.9; }
.process-step .step-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-lux), filter 0.8s var(--ease-lux);
}
.process-step:hover .step-visual img {
  transform: scale(1.025);
  filter: brightness(1.06);
}

/* ---------- Metals panels ---------- */

.metals-panels { display: flex; gap: 2px; min-height: 460px; }
.metal-panel {
  flex: 1;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--hairline-soft);
  padding: 2.4rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: flex 0.7s var(--ease-lux), border-color 0.5s;
  cursor: default;
  background-position: center;
  background-size: cover;
}
.metal-panel:nth-child(1) {
  background-image: linear-gradient(180deg, rgba(13, 11, 8, 0.28), rgba(13, 11, 8, 0.94)), url('../assets/metal-or-jaune.jpg');
}
.metal-panel:nth-child(2) {
  background-image: linear-gradient(180deg, rgba(13, 11, 8, 0.55), rgba(13, 11, 8, 0.95)), url('../assets/metal-or-blanc.jpg');
}
.metal-panel:nth-child(3) {
  background-image: linear-gradient(180deg, rgba(13, 11, 8, 0.3), rgba(13, 11, 8, 0.94)), url('../assets/metal-argent.jpg');
}
.metal-panel:nth-child(4) {
  background-image: linear-gradient(180deg, rgba(13, 11, 8, 0.24), rgba(13, 11, 8, 0.94)), url('../assets/metal-platine.jpg');
}
.metal-panel:hover { flex: 2.1; border-color: var(--hairline); }
.metal-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(232, 207, 127, 0.1), transparent 60%);
  opacity: 0;
  transition: opacity 0.6s;
}
.metal-panel--platine::before { background: radial-gradient(120% 60% at 50% 0%, rgba(167, 186, 196, 0.12), transparent 60%); }
.metal-panel:hover::before { opacity: 1; }
.metal-panel .metal-symbol {
  font-family: var(--font-display);
  font-size: 3.2rem;
  color: var(--gold-lo);
  margin-bottom: auto;
  transition: color 0.5s;
}
.metal-panel--platine .metal-symbol { color: var(--steel); }
.metal-panel:hover .metal-symbol { color: var(--gold-hi); }
.metal-panel--platine:hover .metal-symbol { color: var(--steel-hi); }
.metal-panel h3 { font-family: var(--font-display); font-size: 1.65rem; margin-bottom: 0.6rem; white-space: nowrap; }
.metal-panel:hover h3 {
  background: var(--metal-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.metal-panel--platine:hover h3 {
  background: var(--steel-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.metal-panel p {
  font-size: 0.92rem;
  color: var(--stone);
  opacity: 0;
  max-height: 0;
  transition: opacity 0.55s 0.15s, max-height 0.55s;
}
.metal-panel:hover p { opacity: 1; max-height: 200px; }
.metal-panel .metal-tag {
  margin-top: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.metal-panel--platine .metal-tag { color: var(--steel-hi); }

/* ---------- Services cards ---------- */

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.service-card {
  border: 1px solid var(--hairline-soft);
  background: var(--surface);
  padding: 2.2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.45s, transform 0.45s var(--ease-lux);
}
.service-card:hover { border-color: var(--hairline); transform: translateY(-6px); }
.service-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: var(--metal-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease-lux);
}
.service-card:hover::after { transform: scaleX(1); }
.service-card .idx {
  font-family: var(--font-label);
  color: var(--gold);
  letter-spacing: 0.24em;
  font-size: 0.8rem;
  display: block;
  margin-bottom: 1.2rem;
}
.service-card h3 { margin-bottom: 0.7rem; }
.service-card p { font-size: 0.95rem; color: var(--stone); }

/* ---------- SLA / Délais ---------- */

.sla { background: var(--surface); border-block: 1px solid var(--hairline-soft); }
.sla-table { border: 1px solid var(--hairline-soft); }
.sla-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  padding: 1.7rem 2.2rem;
  border-bottom: 1px solid var(--hairline-soft);
  align-items: baseline;
  transition: background 0.4s;
}
.sla-row:last-child { border-bottom: none; }
.sla-row:hover { background: var(--surface-2); }
.sla-row dt { color: var(--stone); font-size: 0.98rem; }
.sla-row dd {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  color: var(--cream);
}
.sla-row dd b { color: var(--gold-hi); font-weight: 400; }
.sla-note { margin-top: 1.6rem; font-size: 0.9rem; color: var(--stone); max-width: 60em; }
.sla-note strong { color: var(--gold-hi); font-weight: 500; }

/* ---------- Calculator ---------- */

.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}
.calc-panel {
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: clamp(2rem, 4vw, 3.2rem);
  position: relative;
}
.calc-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(90% 60% at 80% 0%, rgba(232, 207, 127, 0.07), transparent 60%);
  pointer-events: none;
}
.calc-field { margin-bottom: 1.8rem; }
.calc-field label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 0.7rem;
}
.calc-field input[type="number"], .calc-field select {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--hairline);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1.05rem;
  padding: 0.9rem 1.1rem;
  outline: none;
  transition: border-color 0.3s;
  border-radius: 0;
  appearance: none;
}
.calc-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9a445' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.1rem center;
}
.calc-field input:focus, .calc-field select:focus { border-color: var(--gold); }
.calc-result {
  border-top: 1px solid var(--hairline);
  padding-top: 1.8rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}
.calc-result .value {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  background: var(--metal-grad);
  background-size: 250% 250%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 9s ease-in-out infinite;
}
.calc-result .unit { color: var(--stone); font-size: 1rem; }
.calc-disclaimer { margin-top: 1.4rem; font-size: 0.82rem; color: var(--stone); opacity: 0.8; }

/* ---------- Protection ---------- */

.protect-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
.protect-item {
  border: 1px solid var(--hairline-soft);
  padding: 2.2rem;
  background: var(--surface);
  display: grid;
  gap: 0.8rem;
  transition: border-color 0.45s;
}
.protect-item:hover { border-color: var(--hairline); }
.protect-item svg { width: 34px; height: 34px; }
.protect-item h3 { font-size: 1.3rem; }
.protect-item p { font-size: 0.95rem; color: var(--stone); }

/* ---------- Instagram / atelier gallery ---------- */

.ig-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  margin-bottom: clamp(2.4rem, 5vh, 3.4rem);
}
.ig-handle {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-label);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  border: 1px solid var(--hairline);
  padding: 0.7rem 1.2rem;
  transition: color 0.35s, border-color 0.35s, background 0.35s;
  white-space: nowrap;
}
.ig-handle:hover { color: var(--gold-hi); border-color: var(--gold); background: rgba(201, 164, 69, 0.06); }
.ig-handle svg { width: 17px; height: 17px; flex: none; }

.ig-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.ig-tile {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--hairline-soft);
}
.ig-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.55) brightness(0.78);
  transition: transform 0.9s var(--ease-lux), filter 0.6s;
}
.ig-tile:hover img { transform: scale(1.07); filter: grayscale(0) brightness(0.95); }
.ig-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(13, 11, 8, 0.85));
  opacity: 0.75;
  transition: opacity 0.5s;
  pointer-events: none;
}
.ig-tile:hover::after { opacity: 0.45; }
.ig-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.9rem 1rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--cream);
  z-index: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.45s, transform 0.45s var(--ease-lux);
}
.ig-tile:hover .ig-cap { opacity: 1; transform: none; }
.ig-badge {
  position: absolute;
  top: 0.7rem; right: 0.8rem;
  z-index: 1;
  color: var(--cream);
  opacity: 0.75;
  font-size: 0.9rem;
}
.ig-foot { margin-top: 2.2rem; display: flex; justify-content: center; }

/* ---------- Chat widget: dark-theme the hosted ADV+MVMT embed ----------
   The widget injects its own <style> at boot, after this sheet, so these
   overrides are deliberately specificity-boosted with `body`. Class names are
   the widget's public advw- namespace. */

body .advw-panel {
  background: var(--surface);
  color: var(--cream);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  font-family: var(--font-body);
  box-shadow: 0 30px 70px -24px rgba(0, 0, 0, 0.85);
}
body .advw-head {
  background: var(--ink);
  border-bottom: 1px solid var(--hairline);
  color: var(--cream);
  font-family: var(--font-display);
}
body .advw-head b { font-size: 15px; letter-spacing: 0.02em; }
body .advw-head small { font-family: var(--font-body); color: var(--stone); opacity: 1; }
body .advw-log { background: var(--ink); }
body .advw-bot { background: var(--surface-2); color: var(--cream); border-bottom-left-radius: 4px; }
body .advw-me {
  background: var(--metal-grad);
  color: var(--ink);
  font-weight: 500;
  border-bottom-right-radius: 4px;
}
body .advw-quick { background: var(--ink); }
body .advw-q {
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--stone);
  border-radius: 2px;
  transition: color 0.3s, border-color 0.3s;
}
body .advw-q:hover { background: transparent; border-color: var(--gold); color: var(--gold-hi); }
body .advw-form { background: var(--surface); border-top: 1px solid var(--hairline); }
body .advw-in {
  background: var(--ink);
  border: 1px solid var(--hairline);
  color: var(--cream);
  border-radius: 2px;
}
body .advw-in:focus { border-color: var(--gold); }
body .advw-in::placeholder { color: rgba(168, 159, 141, 0.55); }
body .advw-send { background: var(--metal-grad); color: var(--ink); border-radius: 2px; font-weight: 600; }
body .advw-fab {
  background: var(--metal-grad);
  color: var(--ink);
  box-shadow: 0 16px 38px -12px rgba(0, 0, 0, 0.8);
}
body .advw-fab:hover { background: var(--metal-grad); background-position: 90% 90%; }
body .advw-x { color: var(--stone); }

/* ---------- Stats ---------- */

.stats { border-block: 1px solid var(--hairline-soft); background: var(--surface); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.6rem);
  line-height: 1;
  background: var(--metal-grad);
  background-size: 250% 250%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.stat .cap {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ---------- FAQ ---------- */

.faq-list { max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--hairline-soft); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 1.7rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--cream);
  transition: color 0.3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--gold-hi); }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold);
  transition: transform 0.4s var(--ease-lux);
  flex: none;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 0 1.8rem; color: var(--stone); max-width: 56em; }

/* ---------- Contact ---------- */

.contact { background: var(--surface); border-top: 1px solid var(--hairline-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(3rem, 6vw, 6rem); }
.contact-info { display: grid; gap: 2rem; align-content: start; }
.contact-block h3 { font-size: 1.15rem; margin-bottom: 0.5rem; font-family: var(--font-label); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.8rem; color: var(--gold); }
.contact-block p, .contact-block a { color: var(--stone); font-size: 1rem; }
.contact-block a:hover { color: var(--gold-hi); }
.contact-block .big { font-family: var(--font-display); font-size: 1.5rem; color: var(--cream); }

.form { display: grid; gap: 1.3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; }
.form input, .form select, .form textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--hairline);
  color: var(--cream);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  padding: 1rem 1.15rem;
  outline: none;
  transition: border-color 0.3s;
  border-radius: 0;
}
.form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9a445' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1.1rem center; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--gold); }
.form textarea { min-height: 140px; resize: vertical; }
.form ::placeholder { color: rgba(168, 159, 141, 0.55); }
.form-note { font-size: 0.85rem; color: var(--stone); }
.form-note a { color: var(--gold-hi); }

/* ---------- Footer ---------- */

.footer { padding: 3.5rem 0 2.5rem; border-top: 1px solid var(--hairline-soft); }
.footer-grid { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: center; }
.footer-logo img { height: 44px; mix-blend-mode: screen; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.8rem; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; }
.footer-links a { color: var(--stone); transition: color 0.3s; }
.footer-links a:hover { color: var(--gold-hi); }
.footer-legal { width: 100%; margin-top: 2rem; padding-top: 1.6rem; border-top: 1px solid var(--hairline-soft); display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: 0.78rem; color: rgba(168, 159, 141, 0.6); }

/* ---------- 404 ---------- */

.page-404 { min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 2rem; }
.page-404 .code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 20vw, 12rem);
  background: var(--metal-grad);
  background-size: 250% 250%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 9s ease-in-out infinite;
  line-height: 1;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .process-grid { grid-template-columns: 300px 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem 2rem; }
  .ig-grid { grid-template-columns: repeat(3, 1fr); }
  .ig-grid .ig-tile:nth-child(n + 7) { display: none; }
}

@media (max-width: 860px) {
  .nav-links, .nav .btn { display: none; }
  .burger { display: block; }
  .nav-links.mobile-open {
    display: flex;
    position: fixed;
    inset: 0;
    background: rgba(13, 11, 8, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.4rem;
    z-index: 120;
  }
  .nav-links.mobile-open a { font-size: 1.1rem; }
  .maison-grid, .contact-grid, .calc-wrap { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .process-rail { position: static; height: auto; flex-direction: row; align-items: baseline; gap: 1.5rem; }
  .process-line { display: none; }
  .process-numeral { font-size: 4rem; }
  .metals-panels { flex-direction: column; min-height: 0; }
  .metal-panel { padding: 1.8rem; }
  .metal-panel p { opacity: 1; max-height: none; }
  .metal-panel .metal-symbol { margin-bottom: 1rem; font-size: 2.2rem; }
  #maison { background-attachment: scroll; }
  .hero-monogram { display: none; }
  .protect-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .sla-row { grid-template-columns: 1fr; gap: 0.4rem; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  body { font-size: 16px; }
  .ig-grid { grid-template-columns: repeat(2, 1fr); }
  .ig-grid .ig-tile:nth-child(n + 5) { display: none; }
  .ig-head { flex-direction: column; align-items: flex-start; }
  /* Touch has no hover: keep captions legible without it */
  .ig-cap { opacity: 1; transform: none; }
  .ig-tile img { filter: grayscale(0.3) brightness(0.85); }
}