/* ═══════════════════════════════════════════════════════════
   MATILDE DOSSOU — PORTFOLIO
   CSS principal converti depuis React / Tailwind
   ═══════════════════════════════════════════════════════════ */

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

/* ── Variables ── */
:root {
  --bg:         #FFFFFF;
  --off-white:  #F7F6F2;
  --sand:       #E8E0D0;
  --ink:        #0D0D0D;
  --muted:      #6B6860;
  --terracotta: #C84B31;
  --line:       #D9D6CE;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important;
  box-shadow: none !important;
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  cursor: none;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--ink); color: var(--bg); }

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1;
}

/* ── Utilitaires ── */
.label-eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
}
.section-number {
  font-family: var(--font-sans);
  letter-spacing: 0.2em;
  font-size: 11px;
  font-weight: 500;
  color: var(--terracotta);
  text-transform: uppercase;
}
.hairline { height: 1px; width: 100%; background: var(--line); }

.arch-grid {
  background-image:
    linear-gradient(to right, rgba(13,13,13,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(13,13,13,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ── Cursor custom ── */
#matilde-cursor {
  position: fixed;
  width: 12px; height: 12px;
  background: var(--ink);
  border-radius: 50% !important;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, background 0.3s;
}
#matilde-cursor.hover {
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--ink);
}

/* ── Animations scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════════════════
   NAV
   ══════════════════════════════════════════════════════════ */
#matilde-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: 64px;
  transition: background 0.4s, border-bottom 0.4s;
}
#matilde-nav.scrolled {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--terracotta); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--ink);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.3s, color 0.3s;
  cursor: none;
}
.nav-cta:hover { background: var(--ink); color: var(--bg); }
.nav-cta-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--terracotta);
}

/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 6rem 3rem 2.5rem;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.hero-main { position: relative; }
.hero-eyebrow { margin-bottom: 2rem; }
.hero-name {
  font-family: var(--font-serif);
  line-height: 0.92;
  letter-spacing: -0.04em;
}
.hero-name .first {
  display: block;
  font-size: clamp(44px, 8vw, 80px);
  font-weight: 300;
  font-style: italic;
  color: var(--muted);
  overflow: hidden;
}
.hero-name .last {
  display: block;
  font-size: clamp(72px, 18vw, 220px);
  font-weight: 500;
  overflow: hidden;
}
.hero-name .first span,
.hero-name .last span {
  display: block;
  animation: slideUp 0.9s cubic-bezier(0.16,1,0.3,1) forwards;
  opacity: 0;
  transform: translateY(110%);
}
.hero-name .first span { animation-delay: 0.2s; }
.hero-name .last span  { animation-delay: 0.3s; }

@keyframes slideUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-line {
  height: 1px;
  background: var(--ink);
  margin-top: 2.5rem;
  transform-origin: left;
  animation: lineGrow 1.2s cubic-bezier(0.16,1,0.3,1) 1.1s forwards;
  transform: scaleX(0);
}
@keyframes lineGrow { to { transform: scaleX(1); } }

.hero-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--ink);
  min-height: 2em;
}
.hero-cursor-blink {
  display: inline-block;
  width: 2px; height: 0.9em;
  background: var(--terracotta);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-available {
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.hero-available-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--terracotta);
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  position: relative;
}
.hero-scroll {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-scroll-line {
  width: 1px; height: 48px;
  background: var(--ink);
}
.hero-scroll-label {
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
}

/* ══════════════════════════════════════════════════════════
   SECTIONS communes
   ══════════════════════════════════════════════════════════ */
.matilde-section {
  padding: 6rem 3rem;
  border-bottom: 1px solid var(--line);
}
.matilde-section.bg-off-white { background: var(--off-white); }

.section-header { margin-bottom: 4rem; }
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  margin-top: 0.5rem;
}

/* ══════════════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════════════ */
#about .about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 3rem;
  align-items: start;
}
.about-portrait {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: rgba(13,13,13,0.05);
}
.about-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.7s ease;
}
.about-portrait:hover img { filter: grayscale(0%); }
.about-caption {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
}
.about-text {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.25;
  font-weight: 300;
  color: var(--ink);
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 300;
  color: var(--ink);
  line-height: 1;
}
.stat-label { margin-top: 0.75rem; }

/* ══════════════════════════════════════════════════════════
   FORMATION (timeline)
   ══════════════════════════════════════════════════════════ */
#formation .timeline-desktop {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  position: relative;
}
.timeline-line {
  position: absolute;
  left: 0; right: 0;
  top: 60px;
  height: 1px;
  background: var(--ink);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.6s cubic-bezier(0.16,1,0.3,1);
}
.timeline-line.visible { transform: scaleX(1); }

.tl-item { position: relative; }
.tl-current-label { color: var(--terracotta); margin-bottom: 0.5rem; }
.tl-dot {
  width: 12px; height: 12px;
  background: var(--ink);
  margin: 10px 0;
  display: inline-block;
}
.tl-dot.current { background: var(--terracotta); }
.tl-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  margin-top: 0.5rem;
  line-height: 1.2;
}
.tl-school { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* Mobile timeline */
.timeline-mobile { display: none; }

/* ══════════════════════════════════════════════════════════
   EXPÉRIENCES
   ══════════════════════════════════════════════════════════ */
#experiences .exp-list {
  border-top: 1px solid var(--line);
}
.exp-row {
  display: grid;
  grid-template-columns: 60px 5fr 3fr 3fr;
  gap: 1rem;
  align-items: baseline;
  padding: 3rem 1.5rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.3s ease;
  cursor: none;
}
.exp-row::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--terracotta);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s ease;
}
.exp-row:hover { background: var(--sand); }
.exp-row:hover::before { transform: scaleY(1); }
.exp-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  color: var(--muted);
}
.exp-company {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 500;
  line-height: 1;
}
.exp-role { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ══════════════════════════════════════════════════════════
   PROJETS (grille asymétrique)
   ══════════════════════════════════════════════════════════ */
#projets .projets-intro {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 4rem;
}
.projets-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}
.projet-item { overflow: hidden; cursor: none; }
.projet-item figure {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.projet-item figure img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.projet-item:hover figure img { transform: scale(1.05); }
.projet-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,13,13,0);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  transition: background 0.5s ease;
}
.projet-item:hover .projet-overlay { background: rgba(13,13,13,0.72); }
.projet-overlay-content {
  opacity: 0;
  transition: opacity 0.5s ease;
  color: var(--bg);
}
.projet-item:hover .projet-overlay-content { opacity: 1; }
.projet-overlay-cat { color: rgba(255,255,255,0.7); margin-bottom: 0.5rem; }
.projet-overlay-title {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.2;
}
.projet-overlay-meta { margin-top: 0.5rem; color: rgba(255,255,255,0.8); }
.projet-caption {
  margin-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* spans grille */
.span-7  { grid-column: span 7; }
.span-5  { grid-column: span 5; }
.span-6  { grid-column: span 6; }
.span-4  { grid-column: span 4; }
.span-12 { grid-column: span 12; }

.aspect-4-5  { aspect-ratio: 4/5; }
.aspect-4-3  { aspect-ratio: 4/3; }
.aspect-sq   { aspect-ratio: 1/1; }
.aspect-16-10 { aspect-ratio: 16/10; }
.aspect-16-9  { aspect-ratio: 16/9; }

/* ══════════════════════════════════════════════════════════
   COMPÉTENCES
   ══════════════════════════════════════════════════════════ */
#competences .competences-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 4rem;
  margin-top: 4rem;
}
.lang-item { margin-bottom: 2.5rem; }
.lang-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}
.lang-name {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 300;
}
.lang-bar-bg {
  height: 1px;
  background: var(--line);
  position: relative;
}
.lang-bar-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--ink);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.4s cubic-bezier(0.16,1,0.3,1);
}
.lang-bar-fill.visible { transform: scaleX(1); }

.skills-tags { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.skill-tag {
  display: inline-block;
  border: 1px solid var(--ink);
  padding: 6px 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: background 0.3s, color 0.3s;
  cursor: none;
}
.skill-tag:hover { background: var(--ink); color: var(--bg); }

/* ══════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════ */
#contact .contact-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 12vw, 140px);
  line-height: 0.95;
  font-weight: 300;
  letter-spacing: -0.03em;
}
#contact .contact-title em {
  font-style: italic;
  color: var(--terracotta);
}
.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--terracotta);
  padding: 8px 16px;
  margin-top: 2.5rem;
}
.availability-dot {
  width: 8px; height: 8px;
  background: var(--terracotta);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.availability-label { color: var(--terracotta); }

.contact-list { margin-top: 5rem; border-top: 1px solid var(--line); }
.contact-item {
  display: grid;
  grid-template-columns: 3fr 9fr;
  gap: 1rem;
  align-items: baseline;
  padding: 3rem 0;
  border-bottom: 1px solid var(--line);
}
.contact-item-label { }
.contact-item-value {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 64px);
  font-weight: 300;
  line-height: 1;
  position: relative;
  display: inline-block;
}
.contact-item-value::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s ease;
}
.contact-item-value:hover::after { transform: scaleX(1); }

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
#matilde-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ══════════════════════════════════════════════════════════
   PAGE DÉMARCHE (/projet)
   ══════════════════════════════════════════════════════════ */
.demarche-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 8rem 3rem 4rem;
  overflow: hidden;
}
.demarche-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 12vw, 140px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-weight: 300;
}
.demarche-title em { font-style: italic; color: var(--muted); }

.parcours-list { border-top: 1px solid var(--line); }
.parcours-item {
  display: grid;
  grid-template-columns: 3fr 9fr;
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
}
.parcours-title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  margin-bottom: 0.75rem;
}
.parcours-text { font-size: 14px; color: var(--muted); max-width: 600px; }

.methodes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 4rem;
}
.methode-card {
  background: var(--bg);
  padding: 3.5rem;
}
.methode-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  margin: 1rem 0 1.5rem;
}
.methode-text { font-size: 14px; color: var(--muted); line-height: 1.8; }

.forts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 4rem;
}
.fort-item { border-top: 1px solid var(--ink); padding-top: 1.5rem; }
.fort-label {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  margin-bottom: 1rem;
}
.fort-text { font-size: 14px; color: var(--muted); }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  #matilde-nav { padding: 0 1.5rem; }
  .nav-links, .nav-cta { display: none; }

  #hero { padding: 5rem 1.5rem 2rem; }
  .hero-sub { grid-template-columns: 1fr; }
  .hero-available { justify-content: flex-start; }

  .matilde-section { padding: 4rem 1.5rem; }

  #about .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }

  .timeline-desktop { display: none !important; }
  .timeline-mobile { display: block; }

  .exp-row { grid-template-columns: 1fr; padding: 2rem 0; }

  .projets-grid { grid-template-columns: 1fr; }
  .span-7,.span-5,.span-6,.span-4,.span-12 { grid-column: span 1; }

  #competences .competences-grid { grid-template-columns: 1fr; }

  .contact-item { grid-template-columns: 1fr; }

  .methodes-grid { grid-template-columns: 1fr; }
  .forts-grid { grid-template-columns: 1fr; }
  .parcours-item { grid-template-columns: 1fr; }

  #matilde-footer { flex-direction: column; gap: 0.5rem; text-align: center; padding: 1.5rem; }
  .demarche-hero { padding: 5rem 1.5rem 3rem; }
  .methode-card { padding: 2rem; }
}