/* ============================================================
   Franck Attias — Site vitrine
   Editorial gallery aesthetic
   ============================================================ */

:root {
  --paper: #f5f1e8;
  --paper-2: #ece6d6;
  --ink: #1a1814;
  --ink-soft: #4a463e;
  --ink-mute: #8a8377;
  --rule: #d8d1bf;
  --accent: oklch(0.45 0.13 35);   /* terracotta / oxblood */
  --accent-soft: oklch(0.55 0.10 35);
  --serif: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

/* Editorial page frame — thin vertical rules just inside the viewport */
body::before,
body::after {
  content: "";
  position: fixed;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--rule);
  z-index: 200;
  pointer-events: none;
}
body::before { left: 24px; }
body::after  { right: 24px; }
@media (max-width: 720px) {
  body::before { left: 12px; }
  body::after  { right: 12px; }
}

a { color: inherit; text-decoration: none; }

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

::selection { background: var(--accent); color: var(--paper); }

/* ---------------- Layout ---------------- */
.wrap {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 96px;
}

@media (max-width: 1024px) {
  .wrap { padding: 0 64px; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 32px; }
}

/* ---------------- Top nav ---------------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 96px;
  max-width: 1480px;
  margin: 0 auto;
}
@media (max-width: 1024px) {
  .topnav-inner { padding: 18px 64px; }
}
@media (max-width: 720px) {
  .topnav-inner { padding: 14px 32px; }
}
.brand {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.01em;
}
.brand em {
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
}
.navlinks {
  display: flex;
  gap: 36px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.navlinks a {
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.navlinks a:hover { color: var(--ink); }
.navlinks a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.navlinks a:hover::after { transform: scaleX(1); }

@media (max-width: 720px) {
  .navlinks { gap: 18px; font-size: 11px; }
}

/* ---------------- Hero ---------------- */
.hero {
  padding-top: 32px;
  padding-bottom: 28px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 3.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  font-family: var(--serif);
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.45;
  color: var(--ink-soft);
  font-weight: 400;
  max-width: 460px;
  text-wrap: pretty;
}
.hero-lede::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--ink);
  margin-bottom: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background .2s, color .2s;
}
.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn .arrow { transition: transform .3s; }
.btn:hover .arrow { transform: translateX(4px); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero { padding-top: 24px; padding-bottom: 20px; }
}

/* ---------------- Section heading ---------------- */
.section {
  padding-top: 36px;
  padding-bottom: 88px;
  border-top: 1px solid var(--rule);
}
.section-head {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  margin-bottom: 32px;
  align-items: baseline;
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -0.01em;
}
.section-title em { font-style: italic; color: var(--accent); }
.section-sub {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 640px;
}

@media (max-width: 720px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 36px; }
  .section { padding-top: 32px; padding-bottom: 56px; }
}

/* ---------------- Filter chips ---------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.chip {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  padding: 9px 18px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s;
  font-weight: 500;
}
.chip:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.chip.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.chip .count {
  margin-left: 8px;
  opacity: 0.5;
  font-family: var(--mono);
}

/* ---------------- Gallery grid ---------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px 24px;
}

.card {
  cursor: zoom-in;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: opacity .3s;
}
.card-frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
}
.card-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
  pointer-events: none;
}
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1), filter .3s;
  filter: saturate(1) contrast(1.02);
}
.card:hover .card-img {
  transform: scale(1.04);
}

/* Asymmetric editorial spans */
.card.span-7 { grid-column: span 7; }
.card.span-5 { grid-column: span 5; }
.card.span-6 { grid-column: span 6; }
.card.span-4 { grid-column: span 4; }
.card.span-8 { grid-column: span 8; }
.card.span-3 { grid-column: span 3; }
.card.span-12 { grid-column: span 12; }

/* Aspect helpers */
.ar-3-4 { aspect-ratio: 3 / 4; }
.ar-4-3 { aspect-ratio: 4 / 3; }
.ar-1-1 { aspect-ratio: 1 / 1; }
.ar-16-10 { aspect-ratio: 16 / 10; }

@media (max-width: 1024px) {
  .gallery { gap: 28px 20px; }
  .card.span-3, .card.span-4, .card.span-5 { grid-column: span 6; }
  .card.span-7, .card.span-8 { grid-column: span 6; }
  .card.span-6, .card.span-12 { grid-column: span 12; }
}
@media (max-width: 640px) {
  .gallery { grid-template-columns: 1fr; }
  .card { grid-column: span 1 !important; }
}

.card-meta {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 14px;
  align-items: baseline;
  padding-top: 4px;
}
.card-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}
.card-title {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  line-height: 1.15;
  color: var(--ink);
}
.card-spec {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  white-space: nowrap;
}
.card-tag {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

/* hidden state when filtered out */
.card.hidden { display: none; }

/* ---------------- Démarche / About ---------------- */
.about {
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: start;
}
.about-portrait {
  aspect-ratio: 4 / 5;
  background: var(--paper) url("images/portrait.jpg") center/cover no-repeat;
  position: relative;
  overflow: hidden;
}
.about-body p {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.55;
  margin-bottom: 28px;
  color: var(--ink);
  text-wrap: pretty;
}
.about-body p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 72px;
  float: left;
  line-height: 0.85;
  margin: 8px 12px 0 0;
  color: var(--accent);
  font-weight: 500;
}
.about-body p.smaller {
  font-size: 18px;
  color: var(--ink-soft);
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--rule);
}
.stat-num {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.stat-label {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-portrait { aspect-ratio: 5 / 4; max-width: 360px; }
}

/* ---------------- Contact ---------------- */
.contact {
  padding-top: 110px;
  padding-bottom: 110px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.contact h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.contact h2 em { font-style: italic; color: var(--accent); }
.contact-lede {
  margin-top: 28px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 460px;
}
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.contact-row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  transition: padding .25s;
  position: relative;
}
.contact-row:first-child { border-top: 1px solid var(--rule); }
.contact-row:hover {
  padding-left: 12px;
}
.contact-row .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.contact-row .value {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  color: var(--ink);
}
.contact-row .arrow {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--ink-mute);
  transition: transform .3s, color .3s;
}
.contact-row:hover .arrow {
  transform: translateX(6px);
  color: var(--accent);
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact { padding-top: 64px; padding-bottom: 64px; }
  .contact-row .value { font-size: 22px; }
  .contact-row { grid-template-columns: 80px 1fr auto; gap: 16px; }
}

/* ---------------- Footer ---------------- */
.foot {
  border-top: 1px solid var(--rule);
  padding: 36px 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------------- Lightbox ---------------- */
.lb {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(20, 18, 14, 0.96);
  display: grid;
  grid-template-rows: 64px 1fr 96px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.lb.open { opacity: 1; pointer-events: auto; }

.lb-top, .lb-bot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  color: var(--paper);
}
.lb-counter {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
}
.lb-close {
  background: transparent;
  border: 1px solid rgba(245,241,232,0.3);
  color: var(--paper);
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-size: 18px;
  display: grid;
  place-items: center;
  transition: all .2s;
}
.lb-close:hover {
  background: var(--paper);
  color: var(--ink);
}
.lb-stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: 12px 80px;
  overflow: hidden;
}
.lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  transition: opacity .25s;
}
.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid rgba(245,241,232,0.25);
  color: var(--paper);
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 26px;
  transition: all .25s;
}
.lb-arrow:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.lb-arrow.prev { left: 24px; }
.lb-arrow.next { right: 24px; }

.lb-info {
  text-align: left;
  color: var(--paper);
  max-width: 560px;
}
.lb-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: 6px;
}
.lb-title {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 28px;
  line-height: 1.15;
}
.lb-spec {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.6;
}
.lb-actions {
  display: flex;
  gap: 12px;
}
.lb-btn {
  background: transparent;
  border: 1px solid rgba(245,241,232,0.3);
  color: var(--paper);
  padding: 12px 22px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--sans);
  font-weight: 500;
}
.lb-btn:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.lb-btn.primary {
  background: var(--paper);
  color: var(--ink);
}
.lb-btn.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}

@media (max-width: 720px) {
  .lb { grid-template-rows: 56px 1fr 120px; }
  .lb-top, .lb-bot { padding: 0 20px; flex-wrap: wrap; gap: 12px; }
  .lb-stage { padding: 8px 16px; }
  .lb-arrow { width: 44px; height: 44px; }
  .lb-arrow.prev { left: 8px; }
  .lb-arrow.next { right: 8px; }
  .lb-title { font-size: 20px; }
  .lb-info { max-width: 100%; }
}

/* ---------------- Misc ---------------- */
.fade-in {
  animation: fade .8s ease both;
}
@keyframes fade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.no-scroll { overflow: hidden; }