/* ============================================
   FRANCK BUFI — Main Stylesheet v3
   Beige / Editorial / Cinematic
   ============================================ */

:root {
  --beige:       #EDEAE3;   /* main bg */
  --beige-dark:  #E0DDD5;   /* subtle variation */
  --beige-warm:  #F5F2EB;   /* lighter */
  --ink:         #111111;   /* main text / dark */
  --ink-mid:     #444444;
  --ink-light:   #888888;
  --ink-faint:   #BBBBBB;
  --white:       #ffffff;
  --black:       #000000;
  --font-main:   'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono:   'Courier New', Courier, monospace;
  --transition:  0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-height:  52px;
}

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }

body {
  background: var(--beige);
  color: var(--ink);
  font-family: var(--font-main);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: .55; }
img { display:block; max-width:100%; height:auto; }
ul { list-style:none; }

/* ── NAVIGATION ──
   Minimal top bar: logo left, links right
   Like reference image: "FRANCK BUFI" | work diary info
*/
.nav {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition);
}

.nav.scrolled,
.nav.solid {
  background: rgba(237,234,227,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Logo — image based */
.nav__logo {
  display: flex;
  align-items: center;
  height: 22px;
  flex-shrink: 0;
}
.nav__logo img {
  height: 18px;
  width: auto;
  display: block;
  opacity: .9;
}
/* Fallback text logo */
.nav__logo-text {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--ink);
}

/* Desktop links */
.nav__links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav__links a {
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .18em;
  text-transform: lowercase;
  font-weight: 400;
  color: var(--ink-mid);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--ink);
  transition: width var(--transition);
}
.nav__links a:hover,
.nav__links a.active { opacity: 1; color: var(--ink); }
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }

/* Hamburger (mobile) */
.nav__hamburger {
  display: none; flex-direction: column; gap: 4px;
  cursor: pointer; padding:5px; background:none; border:none;
}
.nav__hamburger span {
  display: block; width: 20px; height: 1px;
  background: var(--ink); transition: var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* Mobile overlay menu */
.nav__mobile {
  display: none;
  position: fixed; inset: 0; z-index: 999;
  background: var(--beige);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 36px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.nav__mobile.open { opacity: 1; pointer-events: all; }
.nav__mobile a {
  font-family: var(--font-mono);
  font-size: 1.4rem; letter-spacing: .1em;
  text-transform: lowercase; font-weight: 200;
  color: var(--ink);
}

/* ── HERO — FULL SCREEN VIDEO (home page) ── */
.hero {
  position: relative;
  width: 100%; height: 100vh;
  overflow: hidden;
  background: var(--black);
}

.hero__video-wrapper {
  position: absolute; inset: 0;
}
.hero__video-wrapper .vimeo-bg {
  position: absolute;
  top: 50%; left: 50%;
  width: 177.78vh;
  min-width: 100%;
  height: 100vh;
  min-height: 56.25vw;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.25);
  z-index: 1;
}

/* Nav becomes light (white logo) when over hero */
.hero-mode .nav__logo-text,
.hero-mode .nav__links a { color: rgba(255,255,255,.8); }
.hero-mode .nav__hamburger span { background: #fff; }

/* Scroll hint */
.hero__scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0; animation: fadeIn 1.5s 2s ease forwards;
}
.hero__scroll span {
  font-family: var(--font-mono);
  font-size: .48rem; letter-spacing: .35em;
  text-transform: uppercase; color: rgba(255,255,255,.5);
}
.hero__scroll::after {
  content: '';
  display: block; width: 1px; height: 36px;
  background: rgba(255,255,255,.35);
  animation: scrollLine 2s infinite;
}

/* ── PAGE HEADER ── */
.page-header {
  padding: 100px 28px 50px;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.page-header__label {
  font-family: var(--font-mono);
  font-size: .52rem; letter-spacing: .38em;
  text-transform: uppercase; color: var(--ink-light);
  margin-bottom: 16px;
}
.page-header__title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 200; letter-spacing: .02em;
}

/* ── WORKS — TIGHT FLUSH MOSAIC ── */
.works-filter {
  display: flex; gap: 0;
  padding: 16px 28px;
  border-bottom: 1px solid rgba(0,0,0,.07);
}
.flt {
  background: none; border: none;
  font-family: var(--font-mono);
  font-size: .52rem; letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-faint); cursor: pointer;
  padding: 6px 18px 6px 0;
  transition: color .3s;
}
.flt.active, .flt:hover { color: var(--ink); }

.mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3px;
  background: var(--beige-dark);
  width: 100%;
}

/* mosaic grid areas */
.m-1  { grid-column:1/8;  aspect-ratio:16/9; }
.m-2  { grid-column:8/10; aspect-ratio:1/1; }
.m-3  { grid-column:10/13;aspect-ratio:4/3; }
.m-4  { grid-column:1/4;  aspect-ratio:1/1; }
.m-5  { grid-column:4/7;  aspect-ratio:1/1; }
.m-6  { grid-column:7/10; aspect-ratio:1/1; }
.m-7  { grid-column:10/13;aspect-ratio:1/1; }
.m-8  { grid-column:1/5;  aspect-ratio:4/3; }
.m-9  { grid-column:5/9;  aspect-ratio:4/3; }
.m-10 { grid-column:9/13; aspect-ratio:4/3; }
.m-11 { grid-column:1/3;  aspect-ratio:1/1.2; }
.m-12 { grid-column:3/7;  aspect-ratio:16/9; }
.m-13 { grid-column:7/10; aspect-ratio:1/1; }
.m-14 { grid-column:10/13;aspect-ratio:1/1.2; }
.m-15 { grid-column:1/7;  aspect-ratio:16/7; }
.m-16 { grid-column:7/13; aspect-ratio:16/7; }

.mosaic-cell {
  position: relative; overflow: hidden;
  background: var(--beige-dark);
  cursor: pointer;
  width: 100%; height: 100%;
}
.mosaic-cell img,
.mosaic-cell .mosaic-placeholder {
  width:100%; height:100%; object-fit:cover; display:block;
  transition: transform .9s cubic-bezier(.25,.46,.45,.94);
}
.mosaic-placeholder {
  background: var(--beige-dark);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono);
  font-size:.48rem; letter-spacing:.22em;
  color: rgba(0,0,0,.18); text-transform:uppercase;
  min-height:100px;
}
.mosaic-cell:hover img,
.mosaic-cell:hover .mosaic-placeholder { transform:scale(1.05); }

.mosaic-overlay {
  position:absolute; inset:0;
  background: rgba(0,0,0,0);
  transition: background .4s ease;
  display:flex; flex-direction:column;
  justify-content:flex-end; padding:18px;
}
.mosaic-cell:hover .mosaic-overlay { background:rgba(0,0,0,.55); }

.mosaic-info {
  transform:translateY(8px); opacity:0;
  transition: all .4s ease;
}
.mosaic-cell:hover .mosaic-info { transform:translateY(0); opacity:1; }

.mosaic-cat {
  font-family:var(--font-mono); font-size:.47rem;
  letter-spacing:.28em; text-transform:uppercase;
  color:#aaa; margin-bottom:4px;
}
.mosaic-title {
  font-size:clamp(.75rem,1.4vw,1rem);
  font-weight:300; color:#fff;
}
.mosaic-year {
  font-family:var(--font-mono); font-size:.5rem;
  color:#777; margin-top:2px;
}

/* ── WORK MODAL ── */
.work-modal {
  position:fixed; inset:0; z-index:2000;
  background: var(--beige);
  opacity:0; pointer-events:none;
  transition:opacity .45s ease;
  overflow-y:auto;
}
.work-modal.open { opacity:1; pointer-events:all; }

.modal-close-btn {
  position:fixed; top:22px; right:28px;
  font-family:var(--font-mono); font-size:.55rem;
  letter-spacing:.28em; text-transform:uppercase;
  cursor:pointer; z-index:2001;
  background:none; border:none; color:var(--ink);
}
.modal-body { max-width:1000px; margin:0 auto; padding:100px 28px 80px; }
.modal-video { width:100%; aspect-ratio:16/9; background:#0a0a0a; margin-bottom:44px; }
.modal-video iframe { width:100%; height:100%; }
.modal-title { font-size:clamp(1.6rem,4vw,3rem); font-weight:200; margin-bottom:20px; color:var(--ink); }
.modal-meta { display:flex; gap:44px; border-top:1px solid rgba(0,0,0,.1); padding-top:26px; margin-bottom:26px; flex-wrap:wrap; }
.modal-meta-item label { font-family:var(--font-mono); font-size:.48rem; letter-spacing:.28em; text-transform:uppercase; color:var(--ink-light); display:block; margin-bottom:5px; }
.modal-meta-item span { font-size:.82rem; font-weight:300; color:var(--ink); }
.modal-desc { font-size:.88rem; line-height:1.9; color:var(--ink-mid); max-width:580px; }
.modal-credits { margin-top:14px; font-family:var(--font-mono); font-size:.55rem; color:var(--ink-faint); letter-spacing:.14em; }

/* ── PRODUCTION ── */
.production-intro { padding:60px 28px; max-width:700px; }
.production-intro p { font-size:1rem; line-height:1.9; color:var(--ink-mid); }

.production-section {
  display:grid; grid-template-columns:1fr 1fr;
  min-height:60vh; border-top:1px solid rgba(0,0,0,.08);
}
.production-section:nth-child(even) .production-section__text { order:2; }
.production-section:nth-child(even) .production-section__visual { order:1; }
.production-section__text {
  padding:70px 50px;
  display:flex; flex-direction:column; justify-content:center;
}
.production-section__label {
  font-family:var(--font-mono); font-size:.5rem;
  letter-spacing:.38em; text-transform:uppercase;
  color:var(--ink-light); margin-bottom:24px;
}
.production-section__title {
  font-size:clamp(1.6rem,2.8vw,2.4rem);
  font-weight:200; margin-bottom:24px; line-height:1.2; color:var(--ink);
}
.production-section__body { font-size:.85rem; line-height:1.9; color:var(--ink-mid); max-width:400px; }
.production-section__body+.production-section__body { margin-top:16px; }
.production-section__visual { position:relative; overflow:hidden; min-height:360px; background:var(--beige-dark); }
.production-section__visual img { width:100%; height:100%; object-fit:cover; opacity:.85; }
.placeholder-visual { width:100%; height:100%; display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.5rem; letter-spacing:.25em; color:rgba(0,0,0,.2); text-transform:uppercase; min-height:360px; }

.equipment-list { padding:60px 28px; border-top:1px solid rgba(0,0,0,.08); }
.equipment-list h2 { font-family:var(--font-mono); font-size:.52rem; letter-spacing:.38em; text-transform:uppercase; color:var(--ink-light); margin-bottom:40px; }
.equipment-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1px; background:rgba(0,0,0,.07); }
.equipment-item { padding:26px; background:var(--beige); }
.equipment-item__name { font-size:.82rem; font-weight:400; margin-bottom:5px; color:var(--ink); }
.equipment-item__desc { font-size:.7rem; color:var(--ink-light); font-family:var(--font-mono); }

/* ── ABOUT ── */
.about-hero { height:55vh; position:relative; overflow:hidden; display:flex; align-items:flex-end; padding:50px 28px; background:var(--beige-dark); }
.about-hero__bg { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.35; }
.about-hero__text { position:relative; z-index:1; }
.about-hero__name { font-size:clamp(2.5rem,7vw,6rem); font-weight:200; letter-spacing:.02em; line-height:1; color:var(--ink); }
.about-hero__role { font-family:var(--font-mono); font-size:.58rem; letter-spacing:.38em; text-transform:uppercase; color:var(--ink-mid); margin-top:12px; }

.about-body { display:grid; grid-template-columns:1fr 2fr; border-top:1px solid rgba(0,0,0,.08); }
.about-sidebar { padding:60px 28px; border-right:1px solid rgba(0,0,0,.08); }
.about-sidebar__item { margin-bottom:42px; }
.about-sidebar__label { font-family:var(--font-mono); font-size:.5rem; letter-spacing:.32em; text-transform:uppercase; color:var(--ink-light); display:block; margin-bottom:10px; }
.about-sidebar__value { font-size:.82rem; font-weight:300; line-height:1.7; color:var(--ink); }
.about-main { padding:60px 50px; }
.about-main__lead { font-size:clamp(1.1rem,2.2vw,1.6rem); font-weight:200; line-height:1.5; margin-bottom:40px; color:var(--ink); border-bottom:1px solid rgba(0,0,0,.08); padding-bottom:40px; }
.about-main__body { font-size:.85rem; line-height:2; color:var(--ink-mid); max-width:580px; }
.about-main__body p+p { margin-top:1.4em; }

.about-awards { padding:60px 28px; border-top:1px solid rgba(0,0,0,.08); }
.about-awards h2 { font-family:var(--font-mono); font-size:.52rem; letter-spacing:.38em; text-transform:uppercase; color:var(--ink-light); margin-bottom:40px; }
.award-item { display:grid; grid-template-columns:70px 1fr 1fr; gap:30px; padding:20px 0; border-top:1px solid rgba(0,0,0,.07); align-items:baseline; }
.award-item__year { font-family:var(--font-mono); font-size:.7rem; color:var(--ink-light); }
.award-item__title { font-size:.85rem; font-weight:300; color:var(--ink); }
.award-item__event { font-size:.75rem; color:var(--ink-mid); text-align:right; }

/* ── CONTACT ── */
.contact-wrapper { display:grid; grid-template-columns:1fr 1fr; min-height:calc(100vh - 150px); }
.contact-info { padding:60px 50px 60px 28px; border-right:1px solid rgba(0,0,0,.08); display:flex; flex-direction:column; justify-content:space-between; }
.contact-info__lead { font-size:clamp(1.2rem,2.5vw,2rem); font-weight:200; line-height:1.4; max-width:360px; color:var(--ink); }
.contact-info__details { display:flex; flex-direction:column; gap:26px; }
.contact-detail__label { font-family:var(--font-mono); font-size:.5rem; letter-spacing:.32em; text-transform:uppercase; color:var(--ink-light); display:block; margin-bottom:6px; }
.contact-detail__value { font-size:.85rem; font-weight:300; color:var(--ink); }

.contact-form-wrapper { padding:60px 28px 60px 50px; }
.contact-form { display:flex; flex-direction:column; gap:26px; }
.form-group { display:flex; flex-direction:column; gap:8px; }
.form-group label { font-family:var(--font-mono); font-size:.5rem; letter-spacing:.28em; text-transform:uppercase; color:var(--ink-light); }
.form-group input,
.form-group textarea,
.form-group select {
  background:transparent; border:none;
  border-bottom:1px solid rgba(0,0,0,.18);
  color:var(--ink); font-family:var(--font-main);
  font-size:.88rem; font-weight:300;
  padding:10px 0; outline:none;
  transition:border-color var(--transition); width:100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-bottom-color:var(--ink); }
.form-group textarea { resize:none; min-height:110px; }
.form-group select option { background:var(--beige); color:var(--ink); }
.form-group select { appearance: none; -webkit-appearance:none; cursor:pointer; }
.form-submit { display:flex; align-items:center; gap:18px; margin-top:6px; }
.form-message { font-family:var(--font-mono); font-size:.6rem; letter-spacing:.15em; }
.form-message.success { color:#5a7c5a; }
.form-message.error   { color:#a04040; }

.btn {
  display:inline-block; padding:12px 36px;
  border:1px solid var(--ink);
  font-family:var(--font-mono); font-size:.55rem;
  letter-spacing:.28em; text-transform:uppercase;
  cursor:pointer; background:transparent;
  color:var(--ink); transition:all var(--transition);
}
.btn:hover { background:var(--ink); color:var(--beige); opacity:1; }
.btn:disabled { opacity:.35; cursor:not-allowed; }

/* ── LEGAL ── */
.legal-content { max-width:720px; margin:0 auto; padding:130px 28px 80px; }
.legal-content h1 { font-size:clamp(1.6rem,3.5vw,2.6rem); font-weight:200; margin-bottom:50px; }
.legal-content h2 { font-family:var(--font-mono); font-size:.58rem; letter-spacing:.32em; text-transform:uppercase; color:var(--ink-light); margin:44px 0 16px; }
.legal-content p, .legal-content li { font-size:.82rem; line-height:1.9; color:var(--ink-mid); margin-bottom:.9em; }
.legal-content ul { list-style:disc; padding-left:18px; }
.legal-content a { text-decoration:underline; color:var(--ink-mid); }
.legal-nav { display:flex; gap:24px; flex-wrap:wrap; margin-bottom:50px; padding-bottom:34px; border-bottom:1px solid rgba(0,0,0,.08); }
.legal-nav a { font-family:var(--font-mono); font-size:.55rem; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); transition:color var(--transition); }
.legal-nav a:hover, .legal-nav a.active { color:var(--ink); opacity:1; }

/* ── FOOTER ── */
.footer {
  padding:44px 28px;
  border-top:1px solid rgba(0,0,0,.08);
  display:flex; align-items:center;
  justify-content:space-between; flex-wrap:wrap; gap:16px;
  background:var(--beige);
}
.footer__logo { font-family:var(--font-mono); font-size:.65rem; letter-spacing:.2em; text-transform:uppercase; color:var(--ink); }
.footer__links { display:flex; gap:24px; }
.footer__links a { font-family:var(--font-mono); font-size:.5rem; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-light); }
.footer__copy { font-family:var(--font-mono); font-size:.5rem; letter-spacing:.12em; color:var(--ink-faint); }

/* ── COOKIE BANNER ── */
.cookie-banner {
  position:fixed; bottom:0; left:0; width:100%;
  background:rgba(237,234,227,.97);
  backdrop-filter:blur(8px);
  border-top:1px solid rgba(0,0,0,.1);
  padding:20px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  z-index:5000;
  transform:translateY(100%);
  transition:transform .5s ease;
  flex-wrap:wrap;
}
.cookie-banner.visible { transform:translateY(0); }
.cookie-banner__text { font-size:.75rem; line-height:1.6; color:var(--ink-mid); max-width:580px; }
.cookie-banner__text a { text-decoration:underline; color:var(--ink-light); }
.cookie-banner__actions { display:flex; gap:10px; flex-shrink:0; }
.cookie-btn {
  padding:9px 20px;
  font-family:var(--font-mono); font-size:.5rem;
  letter-spacing:.22em; text-transform:uppercase;
  cursor:pointer; border:1px solid rgba(0,0,0,.2);
  background:transparent; color:var(--ink);
  transition:all var(--transition);
}
.cookie-btn--accept { border-color:var(--ink); background:var(--ink); color:var(--beige); }
.cookie-btn:hover { opacity:.65; }

/* ── ANIMATIONS ── */
@keyframes fadeUp   { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }
@keyframes scrollLine {
  0%   {transform:scaleY(1);transform-origin:top;opacity:1}
  50%  {transform:scaleY(0);transform-origin:bottom;opacity:0}
  51%  {transform-origin:top}
  100% {transform:scaleY(1);opacity:1}
}

.reveal { opacity:0; transform:translateY(32px); transition:opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width:1024px) {
  .production-section { grid-template-columns:1fr; }
  .production-section:nth-child(even) .production-section__text { order:1; }
  .production-section:nth-child(even) .production-section__visual { order:2; }
  .about-body { grid-template-columns:1fr; }
  .about-sidebar { border-right:none; border-bottom:1px solid rgba(0,0,0,.08); }
  .contact-wrapper { grid-template-columns:1fr; }
  .contact-info { border-right:none; border-bottom:1px solid rgba(0,0,0,.08); }
  .mosaic { grid-template-columns:repeat(6,1fr); }
  .m-1 { grid-column:1/5; } .m-2 { grid-column:5/7; }
  .m-3 { grid-column:1/4; } .m-4 { grid-column:4/7; }
  .m-5 { grid-column:1/3; } .m-6 { grid-column:3/5; } .m-7 { grid-column:5/7; }
  .m-8 { grid-column:1/4; } .m-9 { grid-column:4/7; }
  .m-10 { grid-column:1/3; } .m-11 { grid-column:3/5; } .m-12 { grid-column:5/7; }
  .m-13 { grid-column:1/4; } .m-14 { grid-column:4/7; }
  .m-15 { grid-column:1/4; } .m-16 { grid-column:4/7; }
}

@media (max-width:768px) {
  .nav { padding:0 18px; }
  .nav__links { display:none; }
  .nav__hamburger { display:flex; }
  .nav__mobile { display:flex; }
  .page-header { padding:90px 18px 40px; }
  .about-main { padding:40px 18px; }
  .about-sidebar { padding:40px 18px; }
  .production-section__text { padding:44px 18px; }
  .contact-info, .contact-form-wrapper { padding:44px 18px; }
  .footer { flex-direction:column; align-items:flex-start; padding:34px 18px; }
  .award-item { grid-template-columns:60px 1fr; }
  .award-item__event { grid-column:span 2; text-align:left; }
}

@media (max-width:640px) {
  .mosaic { grid-template-columns:repeat(2,1fr); }
  .m-1,.m-2,.m-3,.m-4,.m-5,.m-6,.m-7,.m-8,
  .m-9,.m-10,.m-11,.m-12,.m-13,.m-14,.m-15,.m-16 {
    grid-column:span 1; aspect-ratio:1/1;
  }
  .m-1,.m-8,.m-15 { grid-column:span 2; aspect-ratio:16/9; }
}