/* ═══════════════════════════════════════════════════════════
   PRIMA UNCORPORATED — primaprod.co
   Charte : noir profond, ambre incandescent, typo techno.
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #0a0908;
  --bg-2: #100e0c;
  --bg-3: #16130f;
  --line: #2a241c;
  --ink: #ece7de;
  --ink-dim: #9b9184;
  --amber: #ffc61a;
  --amber-hot: #ff8a00;
  --amber-deep: #b45309;

  --font-display: 'Michroma', 'Chakra Petch', system-ui, sans-serif;
  --font-body: 'Chakra Petch', system-ui, -apple-system, sans-serif;

  --wrap: 1180px;
  --pad: clamp(1.25rem, 5vw, 4rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ── Grain filmique ─────────────────────────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  animation: grain 0.7s steps(3) infinite;
}
@keyframes grain {
  0%   { transform: translate(0, 0); }
  33%  { transform: translate(-3%, 2%); }
  66%  { transform: translate(2%, -3%); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── Marque (icône détourée, teintée via mask) ──────────── */
.mark {
  display: block;
  width: 34px;
  aspect-ratio: 1;
  background-color: var(--amber);
  -webkit-mask: url('/img/icon.png') center / contain no-repeat;
  mask: url('/img/icon.png') center / contain no-repeat;
  filter: drop-shadow(0 0 10px rgba(255, 170, 30, 0.55));
}
.mark--sm { width: 28px; }
.mark--xs { width: 22px; opacity: 0.8; }

/* ── Nav ────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--pad);
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(10, 9, 8, 0.85);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  letter-spacing: 0.08em;
}
.nav__brand .mark { flex: none; }
.nav__brand span {
  font-family: var(--font-display);
  font-size: 0.78rem;
  line-height: 1.15;
  display: flex;
  flex-direction: column;
}
.nav__brand em {
  font-style: normal;
  font-size: 0.52rem;
  letter-spacing: 0.34em;
  color: var(--amber);
}

.nav__links { display: flex; align-items: center; gap: 0.35rem; }
.nav__links a {
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem;
  color: var(--ink-dim);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--amber); }
.nav__cta {
  border: 1px solid var(--line);
  color: var(--ink) !important;
  border-radius: 2px;
}
.nav__cta:hover { border-color: var(--amber); background: rgba(255, 198, 26, 0.08); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav__burger span {
  width: 24px; height: 2px;
  background: var(--ink);
  transition: transform 0.25s, opacity 0.2s;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav__burger { display: flex; position: relative; z-index: 3; }
  .nav__brand { position: relative; z-index: 3; }
  .nav__links {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 5.4rem 1.5rem 2rem;
    background: #0a0908;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.85);
    transform: translateY(-102%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { padding: 0.95rem 0.4rem; font-size: 1rem; }
  .nav__cta { margin-top: 0.6rem; text-align: center; }
}

/* ── Boutons ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
}
.btn:hover {
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 24px -6px rgba(255, 170, 30, 0.5);
}
.btn--primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #14100a;
  box-shadow: 0 0 40px -10px rgba(255, 170, 30, 0.8);
}
.btn--primary:hover { background: #ffd451; border-color: #ffd451; color: #14100a; }
.btn--ghost { padding: 0.7rem 1.25rem; font-size: 0.74rem; }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 35%;
  filter: saturate(0.85) contrast(1.05) brightness(0.75);
}
.hero::after {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 80% at 50% 30%, rgba(255, 140, 20, 0.13), transparent 60%),
    linear-gradient(180deg, rgba(10, 9, 8, 0.72) 0%, rgba(10, 9, 8, 0.45) 40%, rgba(10, 9, 8, 0.96) 100%);
}

.hero__inner {
  padding: 7rem var(--pad) 6rem;
  max-width: 820px;
  animation: rise 1s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(26px); }
}
.hero__logo {
  width: clamp(88px, 12vw, 132px);
  margin: 0 auto 1.8rem;
  filter: drop-shadow(0 0 40px rgba(255, 160, 20, 0.8)) drop-shadow(0 0 12px rgba(255, 210, 90, 0.55));
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 7.5vw, 4.1rem);
  line-height: 1;
  margin: 0;
  letter-spacing: 0.02em;
  text-shadow: 0 0 60px rgba(255, 150, 20, 0.45);
}
.hero__title span {
  display: block;
  font-size: clamp(0.6rem, 2.1vw, 1.05rem);
  letter-spacing: 0.52em;
  color: var(--amber);
  margin-top: 0.9rem;
  text-shadow: 0 0 26px rgba(255, 160, 20, 0.7);
}
.hero__baseline {
  margin: 1.9rem auto 2.4rem;
  max-width: 42ch;
  color: #cfc7ba;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}
.hero__actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 1.6rem; left: 50%;
  transform: translateX(-50%);
  text-decoration: none;
  color: var(--ink-dim);
  font-size: 0.8rem;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 7px); }
}

/* ── Sections ───────────────────────────────────────────── */
.section { padding: clamp(4.5rem, 11vw, 9rem) 0; position: relative; }
.section--manifeste { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); }
.section--projets   { background: var(--bg-2); }
.section--equipe    { background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%); }
.section--contact   { background: var(--bg); }

.eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 1.1rem;
}
.h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.6rem);
  line-height: 1.28;
  margin: 0 0 2.4rem;
  letter-spacing: 0.01em;
}
.h2 em {
  font-style: normal;
  color: var(--amber);
  text-shadow: 0 0 34px rgba(255, 160, 20, 0.45);
}

/* ── Manifeste ──────────────────────────────────────────── */
.manifeste__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem 2.6rem;
  color: var(--ink-dim);
  max-width: 980px;
}
.manifeste__grid .lead {
  color: var(--ink);
  font-size: 1.12rem;
}
.manifeste__grid p { margin: 0; }

.stats {
  list-style: none;
  margin: 3.4rem 0 0;
  padding: 2rem 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1.6rem;
}
.stats li { display: flex; flex-direction: column; gap: 0.15rem; }
.stats strong {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  color: var(--amber);
  line-height: 1;
}
.stats span {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* ── Projets ────────────────────────────────────────────── */
.project {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  max-width: var(--wrap);
  margin: clamp(3rem, 7vw, 5.5rem) auto 0;
  padding-inline: var(--pad);
}
.project--rev .project__media { order: 2; }

.project__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.project__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.3, 1), filter 0.5s;
}
.project:hover .project__media img { transform: scale(1.04); filter: saturate(1) contrast(1.08); }
.project__media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(255, 150, 20, 0.1), transparent 55%);
  pointer-events: none;
}

.project__meta {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 0.7rem;
}
.project__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.4rem);
  margin: 0 0 1rem;
  line-height: 1.1;
}
.project__body p:not(.project__meta) { color: var(--ink-dim); margin: 0 0 1.6rem; }

@media (max-width: 780px) {
  .project { grid-template-columns: 1fr; }
  .project--rev .project__media { order: 0; }
}

@media (max-width: 560px) {
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: min(100%, 280px); justify-content: center; }
}

/* ── Équipe ─────────────────────────────────────────────── */
.crew {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.crew__item {
  background: var(--bg-2);
  padding: clamp(1.5rem, 3.5vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: background 0.3s;
}
.crew__item:hover { background: var(--bg-3); }
.crew__role {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0;
}
.crew__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0;
  letter-spacing: 0.03em;
}
.crew__bio { margin: 0; color: var(--ink-dim); font-size: 0.95rem; }
.crew__link {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  align-self: flex-start;
  transition: color 0.2s, border-color 0.2s;
}
.crew__link:hover { color: var(--amber); border-color: var(--amber); }

.crew__item--cta {
  background: linear-gradient(160deg, rgba(255, 170, 30, 0.07), transparent 60%), var(--bg-2);
}
.crew__item--cta .mark { width: 30px; margin-bottom: 0.4rem; }

/* ── Contact ────────────────────────────────────────────── */
.contact { text-align: center; }
.contact .eyebrow, .contact .h2 { text-align: center; }
.contact__mail {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1rem, 3.6vw, 1.9rem);
  text-decoration: none;
  color: var(--amber);
  letter-spacing: 0.02em;
  padding: 0.7rem 0;
  border-bottom: 2px solid rgba(255, 198, 26, 0.35);
  text-shadow: 0 0 40px rgba(255, 160, 20, 0.5);
  transition: border-color 0.25s, text-shadow 0.25s;
  word-break: break-word;
}
.contact__mail:hover { border-color: var(--amber); text-shadow: 0 0 60px rgba(255, 180, 40, 0.9); }
.contact__note {
  max-width: 50ch;
  margin: 1.8rem auto 0;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--line); background: var(--bg); }
.footer__inner {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-block: 1.8rem;
  flex-wrap: wrap;
}
.footer p { margin: 0; font-size: 0.78rem; color: var(--ink-dim); letter-spacing: 0.05em; }

/* ── Lightbox ───────────────────────────────────────────── */
.lb {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(6, 5, 4, 0.96);
  backdrop-filter: blur(6px);
  display: grid;
  grid-template-columns: 64px 1fr 64px;
  align-items: center;
  animation: fade 0.25s ease both;
}
.lb[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } }
.lb__img {
  grid-column: 2;
  max-width: 100%;
  max-height: 86svh;
  margin: auto;
  border: 1px solid var(--line);
}
.lb__nav, .lb__close {
  background: none;
  border: 0;
  color: var(--ink-dim);
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s;
}
.lb__nav:hover, .lb__close:hover { color: var(--amber); }
.lb__close {
  position: absolute;
  top: 1rem; right: 1.4rem;
  font-size: 1.5rem;
}
.lb__count {
  position: absolute;
  bottom: 1.2rem; left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--ink-dim);
}

/* ── Révélation au scroll ───────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s, transform 0.7s; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__inner { animation: none; }
  .hero__scroll { animation: none; }
}