/* =====================================================
   L'ATELIER ESTHÉTIQUE AUTOMOBILE — style.css
   Thème : or (#c9a227) / noir / blanc cassé
   ===================================================== */

:root {
  --gold: #c9a227;
  --gold-light: #e6c455;
  --gold-dark: #a5841c;
  --black: #0c0c0e;
  --dark: #141417;
  --dark-2: #1b1b1f;
  --grey: #6f6f76;
  --light: #f4f2ee;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 20px 60px rgba(0, 0, 0, .25);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', -apple-system, sans-serif;
  background: var(--light);
  color: var(--black);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(1180px, 92%); margin: 0 auto; }

.gold { color: var(--gold); }

img, svg { display: block; }

button { font-family: inherit; cursor: pointer; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.7rem;
  border: none;
  border-radius: 60px;
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .03em;
  text-decoration: none;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
  will-change: transform;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px) scale(.98); }

.btn--gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-dark));
  color: var(--black);
  box-shadow: 0 8px 24px rgba(201, 162, 39, .35);
}
.btn--gold:hover { box-shadow: 0 14px 34px rgba(201, 162, 39, .5); }

.btn--ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, .35);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-light); }

.btn--dark {
  background: var(--black);
  color: var(--gold-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

.btn--lg { padding: 1.05rem 2.2rem; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }
.btn--nav { padding: .6rem 1.3rem; font-size: .82rem; }

/* ---------- Animations d'apparition ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .24s; }
.delay-3 { transition-delay: .36s; }
.delay-4 { transition-delay: .48s; }
.delay-5 { transition-delay: .6s; }

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

/* =====================================================
   NAVIGATION
   ===================================================== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background .4s, padding .4s, box-shadow .4s;
}
.nav.scrolled {
  background: rgba(12, 12, 14, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: .65rem 0;
  box-shadow: 0 6px 30px rgba(0, 0, 0, .35);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; }

.nav__logo { text-decoration: none; display: flex; align-items: center; }
.nav__logo-img {
  height: 62px;
  width: auto;
  transition: height .4s var(--ease);
}
.nav.scrolled .nav__logo-img { height: 46px; }

.nav__links { display: flex; align-items: center; gap: 1.6rem; }
.nav__links a {
  color: rgba(255, 255, 255, .85);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 600;
  position: relative;
  transition: color .3s;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width .35s var(--ease);
}
.nav__links a:hover { color: var(--gold-light); }
.nav__links a:hover::after { width: 100%; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav__burger span {
  width: 26px; height: 2.5px;
  background: var(--gold);
  border-radius: 2px;
  transition: transform .35s var(--ease), opacity .3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: radial-gradient(ellipse at 70% 20%, #1e1c16 0%, var(--black) 55%);
  color: var(--white);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

.hero__glow {
  position: absolute;
  border-radius: 50%;
  opacity: .5;
  animation: float 9s ease-in-out infinite alternate;
}
.hero__glow--1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(201, 162, 39, .4), transparent 65%);
  top: -140px; right: -80px;
}
.hero__glow--2 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(201, 162, 39, .18), transparent 65%);
  bottom: -160px; left: -120px;
  animation-delay: -4s;
}
@keyframes float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-40px, 40px) scale(1.12); }
}

.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 75%);
}

.hero__content { position: relative; z-index: 2; padding: 9rem 0 6rem; }

.hero__eyebrow {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .32em;
  color: var(--gold);
  margin-bottom: 1.4rem;
}

.hero__title { display: flex; flex-direction: column; gap: .4rem; }
.hero__line {
  font-size: clamp(3rem, 8.5vw, 6rem);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.02;
}
.hero__line--sub {
  font-size: clamp(1.15rem, 3vw, 1.9rem);
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .85);
}

.hero__text {
  max-width: 560px;
  margin-top: 1.6rem;
  color: rgba(255, 255, 255, .68);
  font-size: 1.02rem;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.4rem; }

.hero__stats {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  margin-top: 3.8rem;
  flex-wrap: wrap;
}
.hero__stat { display: block; }
.hero__stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gold);
  display: inline;
  line-height: 1.1;
}
.hero__stat-unit { font-size: 1.2rem; font-weight: 700; color: var(--gold); }
.hero__stat-num, .hero__stat-unit { display: inline-block; }
.hero__stat-label {
  display: block;
  font-size: .78rem;
  color: rgba(255, 255, 255, .55);
  letter-spacing: .04em;
  margin-top: .2rem;
}
.hero__stat-sep { width: 1px; height: 46px; background: rgba(255, 255, 255, .15); }

.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, .3);
  border-radius: 20px;
  z-index: 2;
}
.hero__scroll span {
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: var(--gold);
  border-radius: 4px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* =====================================================
   SECTIONS GÉNÉRIQUES
   ===================================================== */
.section { padding: 6.5rem 0; }

.section__eyebrow {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: .8rem;
}
.section__title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .01em;
}
.section__head { max-width: 720px; margin-bottom: 3.2rem; }

/* =====================================================
   SERVICES OVERVIEW
   ===================================================== */
.services { background: var(--light); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.4rem;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: .7rem;
  background: var(--white);
  border: 1px solid rgba(12, 12, 14, .07);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  text-decoration: none;
  color: var(--black);
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(201, 162, 39, .35);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
  width: 54px; height: 54px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: var(--black);
  margin-bottom: .4rem;
  transition: transform .45s var(--ease);
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card:hover .service-card__icon { transform: rotate(-6deg) scale(1.08); }
.service-card__icon--invert { background: var(--black); color: var(--gold); }

.service-card h3 { font-size: 1.12rem; font-weight: 800; }
.service-card p { font-size: .9rem; color: var(--grey); }

.service-card__link {
  margin-top: auto;
  padding-top: .6rem;
  font-size: .82rem;
  font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: .04em;
}
.service-card__link::after { content: ' →'; transition: margin-left .3s; }
.service-card:hover .service-card__link::after { margin-left: 5px; }

.service-card--cta {
  background: var(--dark);
  color: var(--white);
  border-color: transparent;
}
.service-card--cta p { color: rgba(255, 255, 255, .6); }
.service-card--cta .service-card__link { color: var(--gold-light); }

/* =====================================================
   SECTIONS DÉTAILS
   ===================================================== */
.detail--dark {
  background: linear-gradient(180deg, var(--black), var(--dark) 40%, var(--black));
  color: var(--white);
}
.detail--dark .section__title { color: var(--white); }

.detail__head { max-width: 820px; margin-bottom: 3.4rem; }
.detail__intro {
  margin-top: 1.2rem;
  font-size: 1.02rem;
  color: var(--grey);
}
.detail--dark .detail__intro { color: rgba(255, 255, 255, .65); }
.detail__intro strong { color: var(--gold-dark); font-weight: 700; }
.detail--dark .detail__intro strong { color: var(--gold-light); }

.detail__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.4rem;
}

.detail-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(12, 12, 14, .08);
  border-radius: var(--radius);
  padding: 2.1rem 1.9rem;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s;
}
.detail--dark .detail-card {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .09);
  backdrop-filter: blur(6px);
}
.detail-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(201, 162, 39, .45);
}

.detail-card__num {
  position: absolute;
  top: 1.2rem; right: 1.4rem;
  font-size: 2.6rem;
  font-weight: 900;
  color: rgba(201, 162, 39, .16);
  line-height: 1;
}
.detail--dark .detail-card__num { color: rgba(201, 162, 39, .22); }

.detail-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: .6rem;
  padding-right: 2.5rem;
}
.detail-card p { font-size: .9rem; color: var(--grey); margin-bottom: 1rem; }
.detail--dark .detail-card p { color: rgba(255, 255, 255, .6); }

.detail-card ul { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.detail-card li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .88rem;
  font-weight: 500;
}
.detail--dark .detail-card li { color: rgba(255, 255, 255, .85); }
.detail-card li::before {
  content: '';
  position: absolute;
  left: 0; top: .5em;
  width: 9px; height: 9px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  border-radius: 2.5px;
  transform: rotate(45deg);
}

/* ---------- Bande de finis (wrap) ---------- */
.finish-strip { margin-top: 3rem; }
.finish-strip__label {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 1rem;
}
.finish-strip__row {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
}
.finish-chip {
  flex: 1 1 130px;
  min-width: 120px;
  height: 84px;
  border-radius: 12px;
  background: var(--chip, #333);
  border: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  align-items: flex-end;
  padding: .6rem .8rem;
  position: relative;
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.finish-chip:hover { transform: translateY(-5px) scale(1.03); box-shadow: 0 14px 30px rgba(0,0,0,.4); }
.finish-chip span {
  font-size: .72rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, .7);
  letter-spacing: .03em;
  position: relative;
  z-index: 2;
}
.finish-chip--gloss::after {
  content: '';
  position: absolute;
  top: -60%; left: -30%;
  width: 60%; height: 220%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .38), transparent);
  transform: rotate(8deg);
  animation: glossSweep 4.5s ease-in-out infinite;
}
@keyframes glossSweep {
  0%, 55% { left: -60%; }
  85%, 100% { left: 130%; }
}
.finish-chip--carbon {
  background:
    repeating-linear-gradient(45deg, #1a1a1a 0 4px, #262626 4px 8px),
    #1a1a1a;
}

/* ---------- Bénéfices (PPF / vitres) ---------- */
.benefit-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  margin-top: 3.4rem;
}
.benefit { text-align: left; }
.benefit__icon {
  width: 50px; height: 50px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(201, 162, 39, .12);
  color: var(--gold-dark);
  margin-bottom: .9rem;
  flex-shrink: 0;
}
.detail--dark .benefit__icon { background: rgba(201, 162, 39, .15); color: var(--gold-light); }
.benefit__icon svg { width: 24px; height: 24px; }
.benefit h4 { font-size: 1rem; font-weight: 800; margin-bottom: .3rem; }
.benefit p { font-size: .87rem; color: var(--grey); }
.detail--dark .benefit p { color: rgba(255, 255, 255, .6); }

.benefit--row { display: flex; gap: 1.1rem; align-items: flex-start; }
.benefit--row .benefit__icon { margin-bottom: 0; }

/* =====================================================
   VITRES TEINTÉES — DÉMO INTERACTIVE
   ===================================================== */
.tint {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.tint__demo {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  padding: 1.8rem;
  position: sticky;
  top: 96px;
}
.tint__demo-label {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1.1rem;
}

.tint__window {
  position: relative;
  border-radius: 12px 40px 12px 12px;
  overflow: hidden;
  border: 3px solid #2a2a2e;
  background: linear-gradient(180deg, #9fc4e0 0%, #cfe3f2 60%, #e8f1f8 100%);
  aspect-ratio: 300 / 130;
}
.tint__scene, .tint__scene svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.tint__film {
  position: absolute;
  inset: 0;
  background: #04070c;
  opacity: .65;
  transition: opacity .6s var(--ease);
}
.tint__value {
  position: absolute;
  bottom: .6rem; right: .9rem;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, .6);
  z-index: 2;
}

.tint__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1.2rem;
}
.tint__buttons button {
  flex: 1;
  min-width: 62px;
  padding: .6rem .4rem;
  border: 1.5px solid rgba(255, 255, 255, .18);
  background: transparent;
  color: rgba(255, 255, 255, .75);
  border-radius: 10px;
  font-weight: 700;
  font-size: .9rem;
  transition: all .3s var(--ease);
}
.tint__buttons button:hover { border-color: var(--gold); color: var(--gold-light); transform: translateY(-2px); }
.tint__buttons button.active {
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  border-color: transparent;
  color: var(--black);
  box-shadow: 0 6px 18px rgba(201, 162, 39, .4);
}

.tint__hint {
  margin-top: 1rem;
  font-size: .78rem;
  color: rgba(255, 255, 255, .45);
}

.tint__benefits { display: flex; flex-direction: column; gap: 1.7rem; }

/* =====================================================
   POURQUOI NOUS
   ===================================================== */
.why { background: var(--white); padding: 5rem 0; }
.why__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
}
.why__item { text-align: center; padding: 0 1rem; }
.why__icon {
  width: 66px; height: 66px;
  margin: 0 auto 1.1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: var(--black);
  box-shadow: 0 12px 28px rgba(201, 162, 39, .35);
}
.why__icon svg { width: 30px; height: 30px; }
.why__item h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: .5rem; }
.why__item p { font-size: .9rem; color: var(--grey); }

/* =====================================================
   CTA BAND
   ===================================================== */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--gold-dark), var(--gold) 45%, var(--gold-light));
  padding: 5.5rem 0;
  overflow: hidden;
  text-align: center;
  color: var(--black);
}
.cta-band__shine {
  position: absolute;
  top: -50%; left: -20%;
  width: 40%; height: 200%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .35), transparent);
  transform: rotate(10deg);
  animation: bandShine 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bandShine {
  0%, 40% { left: -40%; }
  75%, 100% { left: 130%; }
}
.cta-band__inner h2 {
  font-size: clamp(1.7rem, 4.5vw, 2.7rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: .02em;
}
.cta-band__inner h2 span { font-style: italic; font-weight: 700; }
.cta-band__inner p {
  max-width: 520px;
  margin: 1rem auto 2rem;
  font-weight: 500;
  color: rgba(12, 12, 14, .75);
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 4.5rem 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer__brand { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.2; }
.footer__logo { width: min(240px, 100%); height: auto; }
.footer__brand p {
  margin-top: 1rem;
  font-size: .88rem;
  color: rgba(255, 255, 255, .55);
  line-height: 1.6;
  max-width: 320px;
}
.footer h4 {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}
.footer__link {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: rgba(255, 255, 255, .8);
  text-decoration: none;
  font-size: .92rem;
  margin-bottom: .8rem;
  transition: color .3s;
}
.footer__link:hover { color: var(--gold-light); }
.footer__link svg { color: var(--gold); flex-shrink: 0; }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 1.4rem 0;
  text-align: center;
}
.footer__bottom p { font-size: .78rem; color: rgba(255, 255, 255, .4); }

/* =====================================================
   MODAL SOUMISSION
   ===================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity .35s var(--ease), visibility .35s;
}
.modal.open { visibility: visible; opacity: 1; }

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 6, 8, .75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal__box {
  position: relative;
  width: min(620px, 100%);
  max-height: 92svh;
  overflow-y: auto;
  background: var(--white);
  border-radius: 18px;
  padding: 2.6rem 2.4rem;
  box-shadow: 0 40px 100px rgba(0, 0, 0, .5);
  transform: translateY(30px) scale(.97);
  transition: transform .45s var(--ease);
  border-top: 4px solid var(--gold);
}
.modal.open .modal__box { transform: translateY(0) scale(1); }

.modal__close {
  position: absolute;
  top: .9rem; right: 1.1rem;
  width: 38px; height: 38px;
  border: none;
  background: rgba(12, 12, 14, .06);
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--grey);
  transition: background .3s, color .3s, transform .3s;
}
.modal__close:hover { background: var(--gold); color: var(--black); transform: rotate(90deg); }

.modal__box h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: .4rem; }
.modal__sub { font-size: .9rem; color: var(--grey); margin-bottom: 1.6rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-field { margin-bottom: 1.1rem; display: flex; flex-direction: column; }
.form-field label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: .4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: .95rem;
  padding: .8rem 1rem;
  border: 1.5px solid rgba(12, 12, 14, .14);
  border-radius: 10px;
  background: var(--light);
  color: var(--black);
  transition: border-color .3s, box-shadow .3s, background .3s;
  resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .15);
}
.form-field input.invalid,
.form-field textarea.invalid { border-color: #c0392b; background: #fdf3f2; }

.form-error {
  color: #c0392b;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.form-note {
  margin-top: .9rem;
  font-size: .74rem;
  color: var(--grey);
  text-align: center;
}

.btn[disabled] { opacity: .6; pointer-events: none; }

/* ---------- Succès ---------- */
.modal__success { text-align: center; padding: 1.5rem 0; }
.modal__success-icon {
  width: 84px; height: 84px;
  margin: 0 auto 1.4rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: var(--black);
  animation: pop .6s var(--ease);
  box-shadow: 0 14px 40px rgba(201, 162, 39, .45);
}
.modal__success-icon svg { width: 40px; height: 40px; }
@keyframes pop {
  0% { transform: scale(0); }
  70% { transform: scale(1.15); }
  100% { transform: scale(1); }
}
.modal__success h3 { margin-bottom: .6rem; }
.modal__success p { color: var(--grey); font-size: .95rem; margin-bottom: 1.6rem; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 900px) {
  .tint { grid-template-columns: 1fr; gap: 2.5rem; }
  .tint__demo { position: static; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 820px) {
  .nav__burger { display: flex; }
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    height: 100svh;
    width: min(320px, 82vw);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.8rem;
    padding: 2.5rem;
    background: rgba(12, 12, 14, .97);
    backdrop-filter: blur(16px);
    transform: translateX(100%);
    transition: transform .5s var(--ease);
    box-shadow: -20px 0 60px rgba(0, 0, 0, .5);
  }
  .nav__links.open { transform: translateX(0); }
  .nav__links a { font-size: 1.05rem; }
  .nav { background: rgba(12, 12, 14, .92); backdrop-filter: blur(14px); padding: .65rem 0; }

  .section { padding: 4.5rem 0; }
  .hero__stats { gap: 1.4rem; }
  .hero__stat-sep { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .modal__box { padding: 2.2rem 1.5rem; }
}