/* ============================================================
   RESET & VARIABLES
   ============================================================ */

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

:root {
  --bg:         #f5f4f0;
  --surface:    #eceae4;
  --ink:        #1a1a18;
  --ink-2:      #5a5850;
  --ink-3:      #9a9890;
  --accent:     #2a2a26;
  --line:       #d8d6d0;
  --max:        860px;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
}

/* ============================================================
   BASE
   ============================================================ */

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

/* ============================================================
   NAV
   ============================================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: rgba(245, 244, 240, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

nav .logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  text-decoration: none;
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav ul a:hover {
  color: var(--ink);
}

/* ============================================================
   SECTIONS (layout commun)
   ============================================================ */

section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 7rem 2rem;
}

section + section {
  border-top: 1px solid var(--line);
}

.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 2.5rem;
}

/* ============================================================
   HERO
   ============================================================ */

#accueil {
  padding-top: 10rem;
  padding-bottom: 6rem;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.5rem;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.hero-name em {
  font-style: italic;
  color: var(--ink-2);
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--ink-2);
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
}

.hero-cta:hover {
  background: var(--ink);
  color: var(--bg);
}

.hero-cta-bis {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: 3rem;
  transition: background 0.2s, color 0.2s;
}

.hero-cta-bis:hover {
  background: var(--ink);
  color: var(--bg);
}

/* ============================================================
   À PROPOS
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--ink-2);
  font-size: 0.97rem;
  margin-bottom: 1rem;
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.meta-item {
  border-left: 2px solid var(--line);
  padding-left: 1rem;
}

.meta-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.3rem;
}

.meta-value {
  font-size: 0.95rem;
  color: var(--ink);
}

/* ============================================================
   PROJETS
   ============================================================ */

.projects-list {
  display: flex;
  flex-direction: column;
}

.project-item {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: baseline;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  cursor: default;
}

.project-item:first-child {
  border-top: 1px solid var(--line);
}

.project-item:hover .project-title {
  color: var(--accent);
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 0.4rem;
  transition: color 0.2s;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--ink-2);
  max-width: 480px;
}

.project-meta {
  text-align: right;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
  margin-bottom: 0.5rem;
}

.tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background: var(--surface);
  color: var(--ink-2);
  border: 1px solid var(--line);
}

.project-year {
  font-size: 0.78rem;
  color: var(--ink-3);
}

/* ============================================================
   COMPÉTENCES
   ============================================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 3rem;
}

.skill-group h3 {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.skill-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.skill-group ul li {
  font-size: 0.92rem;
  color: var(--ink-2);
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact-intro {
  font-size: 1rem;
  color: var(--ink-2);
  max-width: 500px;
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
}

.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  transition: padding-left 0.2s;
}

.contact-link:first-child {
  border-top: 1px solid var(--line);
}

.contact-link:hover {
  padding-left: 0.5rem;
}

.cl-label {
  font-family: var(--font-serif);
  font-size: 1.2rem;
}

.cl-arrow {
  font-size: 0.85rem;
  color: var(--ink-3);
  transition: color 0.2s;
}

.contact-link:hover .cl-arrow {
  color: var(--ink);
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer span {
  font-size: 0.78rem;
  color: var(--ink-3);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 680px) {
  nav {
    padding: 1rem 1.25rem;
  }

  nav ul {
    gap: 1.2rem;
  }

  section {
    padding: 5rem 1.25rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .project-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .project-meta {
    text-align: left;
  }

  .project-tags {
    justify-content: flex-start;
  }

  .skills-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}