/* ============================================================
   DIANE DE VALOU — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Montserrat:wght@300;400;500&display=swap');

/* ── Variables ──────────────────────────────────────────── */
:root {
  --bg:          #FFFFFF;
  --ink:         #0D0D0D;
  --gold:        #9B8B6E;
  --divider:     #EBEBEB;
  --overlay:     rgba(13, 13, 13, 0.80);
  --white:       #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Montserrat', Helvetica, sans-serif;

  --nav-height:  72px;
  --max-width:   1440px;
  --gutter:      clamp(24px, 4vw, 64px);

  --ease:        cubic-bezier(0.25, 0.1, 0.25, 1);
  --slow:        800ms;
  --medium:      500ms;
  --fast:        250ms;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ── Typography Scale ───────────────────────────────────── */
.t-hero {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: 0.08em;
  line-height: 1.05;
}

.t-display {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: 0.05em;
  line-height: 1.1;
}

.t-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.t-subtitle {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  letter-spacing: 0.02em;
}

.t-nav {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.t-label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.t-body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ── Navigation ─────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--gutter);
  transition: background var(--medium) var(--ease),
              border-color var(--medium) var(--ease);
}

.site-nav--scrolled {
  background: rgba(250, 250, 248, 0.96);
  border-bottom: 1px solid var(--divider);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 40px);
  margin: 0 auto;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  transition: color var(--fast) var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--medium) var(--ease);
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after { width: 100%; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}

.lang-toggle span {
  color: var(--ink);
  opacity: 0.4;
  transition: opacity var(--fast) var(--ease);
}

.lang-toggle span.active {
  opacity: 1;
  color: var(--gold);
}

.lang-toggle .sep {
  opacity: 0.3;
  pointer-events: none;
}

/* Hamburger (mobile) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--ink);
  transition: transform var(--medium) var(--ease),
              opacity var(--fast) var(--ease);
}

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  padding: calc(var(--nav-height) + 40px) var(--gutter) 40px;
  flex-direction: column;
  gap: 32px;
}

.nav-drawer.open { display: flex; }

.nav-drawer a {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

/* ── Page Sections ──────────────────────────────────────── */
.page-content {
  padding-top: var(--nav-height);
}

.section {
  padding: clamp(60px, 8vw, 120px) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section--full {
  padding: clamp(60px, 8vw, 120px) var(--gutter);
  max-width: none;
}

.section-header {
  margin-bottom: clamp(40px, 6vw, 80px);
}

.section-header h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-header p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--gold);
}

/* ── Divider ────────────────────────────────────────────── */
.divider {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 24px 0;
}

.divider--center {
  margin: 24px auto;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: 1px solid currentColor;
  cursor: pointer;
  transition: background var(--fast) var(--ease),
              color var(--fast) var(--ease);
  background: transparent;
}

.btn-primary {
  color: var(--ink);
  border-color: var(--ink);
}

.btn-primary:hover {
  background: var(--ink);
  color: var(--bg);
}

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

.btn-gold:hover {
  background: var(--gold);
  color: var(--white);
}

.btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  animation: heroZoom 12s var(--ease) forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.04); }
  to   { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13,13,13,0.28) 0%,
    rgba(13,13,13,0.52) 60%,
    rgba(13,13,13,0.70) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 var(--gutter);
  animation: heroContent 1.2s 0.4s var(--ease) both;
}

@keyframes heroContent {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-content h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: 0.14em;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-content .tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
  letter-spacing: 0.06em;
  opacity: 0.85;
}

.hero-cta {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-cta-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.6);
  color: rgba(255,255,255,0.9);
  font-family: var(--font-body);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 32px;
  cursor: pointer;
  transition: background 300ms ease, border-color 300ms ease, color 300ms ease;
  white-space: nowrap;
}

.hero-cta-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.9);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-body);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: scrollPulse 2s 2s infinite;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.4);
  animation: scrollLine 2s 2s infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── Featured Grid (homepage teasers) ──────────────────── */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.featured-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}

.featured-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--slow) var(--ease);
}

.featured-item:hover img {
  transform: scale(1.04);
}

.featured-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 24px 24px;
  background: linear-gradient(transparent, rgba(13,13,13,0.72));
  color: var(--white);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity var(--medium) var(--ease),
              transform var(--medium) var(--ease);
}

.featured-item:hover .featured-caption {
  opacity: 1;
  transform: translateY(0);
}

.featured-caption .collection-label {
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
  font-family: var(--font-body);
}

.featured-caption .piece-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 300;
}

/* ── Scroll Reveal ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  padding: 48px var(--gutter);
  border-top: 1px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.5;
  transition: opacity var(--fast) var(--ease);
}

.footer-links a:hover { opacity: 1; }

.footer-copy {
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  opacity: 0.35;
}

/* ── Spec Table ─────────────────────────────────────────── */
.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid var(--divider);
}

.spec-table tr:first-child { border-top: 1px solid var(--divider); }

.spec-table td {
  padding: 12px 0;
  font-size: 0.8rem;
  font-family: var(--font-body);
  font-weight: 300;
}

.spec-table td:first-child {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  width: 40%;
}

/* ── Modal ──────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--medium) var(--ease);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg);
  max-width: 520px;
  width: 100%;
  padding: clamp(32px, 5vw, 56px);
  position: relative;
  transform: translateY(16px);
  transition: transform var(--medium) var(--ease);
}

.modal-backdrop.open .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--ink);
  opacity: 0.4;
  transition: opacity var(--fast) var(--ease);
  line-height: 1;
  padding: 4px;
}

.modal-close:hover { opacity: 1; }

.modal h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.modal .modal-subtitle {
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--divider);
  padding: 8px 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color var(--fast) var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group textarea {
  resize: none;
  height: 80px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 24px 0;
}

.form-success.show { display: block; }

.form-success p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold);
}

/* ── Homepage about teaser ──────────────────────────────── */
.home-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}

.home-about-img {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #F0EDE6;
}

/* ── About split layout ─────────────────────────────────── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

.about-portrait {
  position: sticky;
  top: calc(var(--nav-height) + 40px);
}

.about-portrait img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.about-text h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.about-text p {
  font-size: 0.88rem;
  line-height: 1.9;
  margin-bottom: 20px;
  color: #2a2a2a;
}

/* Galleries list on about page */
.galleries-list {
  margin-top: 56px;
  border-top: 1px solid var(--divider);
  padding-top: 40px;
}

.gallery-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--divider);
}

.gallery-item h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.gallery-item p {
  font-size: 0.78rem;
  line-height: 1.7;
  color: #555;
}

/* ── About CV section ───────────────────────────────────── */
.about-cv {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  max-width: 1100px;
}

.cv-block {
  break-inside: avoid;
}

.cv-heading {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--divider);
}

.cv-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cv-list li {
  font-size: 0.78rem;
  line-height: 1.6;
  color: #444;
}

.cv-year {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  min-width: 52px;
  margin-right: 6px;
}

@media (max-width: 768px) {
  .about-cv {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-cv {
    grid-template-columns: 1fr;
  }
}

/* ── Video page ─────────────────────────────────────────── */
.video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ── Contact page ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(32px, 4vw, 60px);
  margin-bottom: 80px;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--divider);
}

.contact-card p {
  font-size: 0.8rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 4px;
}

.contact-card a {
  color: var(--gold);
  font-size: 0.78rem;
  transition: opacity var(--fast) var(--ease);
}

.contact-card a:hover { opacity: 0.7; }

/* ── Nav over dark hero (homepage only) ─────────────────── */
.site-nav--over-hero:not(.site-nav--scrolled) .nav-logo,
.site-nav--over-hero:not(.site-nav--scrolled) .nav-links a {
  color: rgba(255, 255, 255, 0.90);
}

.site-nav--over-hero:not(.site-nav--scrolled) .nav-links a::after {
  background: rgba(255, 255, 255, 0.65);
}

.site-nav--over-hero:not(.site-nav--scrolled) .nav-links a:hover {
  color: #fff;
}

.site-nav--over-hero:not(.site-nav--scrolled) .lang-toggle span {
  color: rgba(255, 255, 255, 0.90);
}

.site-nav--over-hero:not(.site-nav--scrolled) .lang-toggle span.active {
  color: #fff;
  opacity: 1;
}

.site-nav--over-hero:not(.site-nav--scrolled) .nav-hamburger span {
  background: rgba(255, 255, 255, 0.90);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: 1fr 1fr;
  }

  .featured-grid .featured-item:nth-child(3) {
    display: none;
  }

  .about-split {
    grid-template-columns: 1fr;
  }

  .about-portrait {
    position: static;
    max-width: 420px;
  }

  .home-about-grid {
    grid-template-columns: 1fr;
  }

  .home-about-img {
    aspect-ratio: 4/3;
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  /* Nav */
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  /* Nav drawer links need bigger touch targets */
  .nav-drawer a {
    font-size: 1.8rem;
    padding: 6px 0;
  }

  /* Featured grid */
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .featured-grid .featured-item:nth-child(3) {
    display: block;
  }

  .featured-item {
    aspect-ratio: 4/3;
  }

  .featured-caption {
    opacity: 1;
    transform: translateY(0);
  }

  /* About teaser */
  .home-about-grid {
    gap: 32px;
  }

  /* About page portrait */
  .about-portrait {
    max-width: 100%;
  }

  .about-portrait img {
    aspect-ratio: 4/3;
  }

  /* Gallery representations spacing */
  .galleries-list {
    margin-top: 40px;
    padding-top: 28px;
  }

  /* Buttons full-width on small screens */
  .btn {
    padding: 16px 24px;
  }

  /* Section padding tighter on mobile */
  .section {
    padding-top: clamp(48px, 6vw, 80px);
    padding-bottom: clamp(48px, 6vw, 80px);
  }

  /* Contact grid stacks */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Prevent iOS auto-zoom on form inputs */
  .form-group input,
  .form-group textarea {
    font-size: 1rem;
  }

  /* Video: remove extra padding */
  .video-wrap {
    margin: 0 calc(-1 * var(--gutter));
  }
}

@media (max-width: 480px) {
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }

  /* Hero title on very small screens */
  .hero-content h1 {
    font-size: clamp(2.2rem, 11vw, 3.5rem);
    letter-spacing: 0.08em;
  }

  /* Modal full-width on small phones */
  .modal {
    padding: 28px 20px 32px;
  }

  /* Spec table smaller */
  .spec-table td {
    padding: 10px 0;
    font-size: 0.75rem;
  }
}