:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1100px;
  --radius: 6px;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg-elevated: #fafafa;
  --bg-card: #ffffff;
  --text: #111111;
  --text-2: #555555;
  --text-3: #888888;
  --line: #e8e8e8;
  --line-strong: #cccccc;
  --accent: #111111;
  --accent-soft: rgba(0, 0, 0, 0.04);
  --grid-line: rgba(0, 0, 0, 0.035);
}

[data-theme="dark"] {
  --bg: #0e0e0e;
  --bg-elevated: #161616;
  --bg-card: #141414;
  --text: #f0f0f0;
  --text-2: #aaaaaa;
  --text-3: #777777;
  --line: #1f1f1f;
  --line-strong: #2e2e2e;
  --accent: #f0f0f0;
  --accent-soft: rgba(255, 255, 255, 0.04);
  --grid-line: rgba(255, 255, 255, 0.025);
}

/* --- Reset --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}

em {
  font-style: italic;
  font-weight: 500;
  color: var(--text);
}

strong { font-weight: 600; color: var(--text); }

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

::selection { background: var(--text); color: var(--bg); }

/* --- Top bar (du dernier site) --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 2rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.topbar-name {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.topbar-nav {
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
}
.topbar-nav a {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color 0.15s;
}
.topbar-nav a:hover { color: var(--text); }

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-3);
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  font-weight: 500;
  padding: 0;
  transition: color 0.15s;
}
.lang-btn:hover { color: var(--text-2); }
.lang-btn.active { color: var(--text); }

.theme-toggle {
  background: transparent;
  border: none;
  color: var(--text-2);
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color 0.15s;
}
.theme-toggle:hover { color: var(--text); }
.theme-toggle svg { width: 16px; height: 16px; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.menu-btn {
  display: none;
  background: transparent;
  border: none;
  width: 24px;
  height: 24px;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu-btn span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--text);
  transition: all 0.2s;
}
.menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
.menu-btn.open span:nth-child(2) { transform: rotate(-45deg) translate(3px, -3px); }

/* --- HERO (structure du v1, mais sans terminal) --- */
.hero {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 2rem 5rem;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at left center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at left center, black 20%, transparent 75%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8rem;
  color: var(--text-2);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin-bottom: 2.5rem;
  background: var(--bg);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 #22c55e;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
  70% { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-name {
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin-bottom: 1.75rem;
}
.hero-name-sub {
  color: var(--text-3);
  font-weight: 600;
}
.hero-name-sub em { color: inherit; }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn {
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover { opacity: 0.88; }
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--text);
  background: var(--accent-soft);
}

.hero-location {
  font-size: 0.85rem;
  color: var(--text-3);
}

/* --- Sections --- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--line);
}

.section-label {
  font-size: 0.95rem;
  color: var(--text-3);
  margin-bottom: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.section-label > span:first-child {
  color: var(--text-2);
  font-weight: 600;
}

.section-title {
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 2.75rem;
  max-width: 780px;
}
.section-title em {
  font-style: italic;
  color: var(--text-3);
  font-weight: 500;
}

.section-intro {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 1.15rem;
  max-width: 760px;
}

/* --- À propos --- */
.about-grid p {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 1.15rem;
  max-width: 760px;
}
.about-grid p:last-child { margin-bottom: 0; }

/* --- Skills (format tableau/liste) --- */
.skills-table {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.skills-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.skills-cat {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  padding-top: 0.15rem;
  margin: 0;
}

.skills-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
}

.skills-list li {
  font-size: 0.92rem;
  color: var(--text-2);
  line-height: 1.65;
  padding-left: 1rem;
  position: relative;
  list-style: none;
}

.skills-list li::before {
  content: "—";
  color: var(--text-3);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.85rem;
}

.skills-list strong {
  color: var(--text);
  font-weight: 600;
  margin-right: 0.15rem;
}

.skill-soon {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-left: 0.25rem;
  font-style: italic;
}

/* Responsive — bascule en colonne sous 900px */
@media (max-width: 900px) {
  .skills-row {
    grid-template-columns: 1fr;
    gap: 0.85rem;
    padding: 1.5rem 0;
  }
  .skills-cat {
    padding-top: 0;
    padding-bottom: 0.25rem;
  }
}

/* --- Timeline (expérience & projets) --- */
.timeline {
  display: flex;
  flex-direction: column;
}

.exp-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 3rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
}
.exp-card:last-child { border-bottom: none; }

.exp-date {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--text-3);
}
.exp-place {
  font-size: 0.78rem;
  color: var(--text-3);
}

.exp-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.exp-company {
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 1rem;
  font-weight: 500;
}
.exp-content p:not(.exp-company) {
  color: var(--text-2);
  margin-bottom: 1rem;
  font-size: 0.94rem;
  line-height: 1.7;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.exp-tags span {
  font-size: 0.74rem;
  padding: 0.25rem 0.65rem;
  background: var(--accent-soft);
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-weight: 500;
}

.exp-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text);
  margin-top: 0.5rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: border-color 0.15s;
}
.exp-link:hover {
  border-bottom-color: var(--text);
}

/* --- Homelab teaser --- */
.homelab-soon {
  margin-top: 3rem;
  padding: 1.75rem 2rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}
.homelab-soon h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.homelab-soon p {
  font-size: 0.93rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 640px;
}

/* --- Éducation --- */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}
.edu-card:hover { border-color: var(--line-strong); }
.edu-current {
  background: var(--accent-soft);
  border-color: var(--line-strong);
}
.edu-date {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}
.edu-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}
.edu-school {
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 0.7rem;
  font-weight: 500;
}
.edu-card p {
  color: var(--text-2);
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
  line-height: 1.55;
}
.edu-orientation strong { color: var(--text); }

.languages h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}
.lang-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}
.lang {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.lang-name { font-weight: 500; font-size: 0.92rem; }
.lang-level {
  font-size: 0.8rem;
  color: var(--text-2);
}

/* --- Contact --- */
.contact-intro {
  color: var(--text-2);
  max-width: 600px;
  margin: 0 0 2.5rem 0;
  font-size: 1rem;
  line-height: 1.7;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.75rem;
}

.contact-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color var(--transition);
}
.contact-card:hover { border-color: var(--text-3); }

.contact-label {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  font-weight: 500;
}
.contact-value {
  font-size: 0.9rem;
  color: var(--text);
  word-break: break-all;
}

/* --- Footer (du dernier site) --- */
.bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--text-3);
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Reveal subtil au scroll --- */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .topbar-nav { gap: 1.25rem; }
}

@media (max-width: 900px) {
  .topbar { padding: 1rem 1.25rem; gap: 0.75rem; }

  .topbar-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    margin-left: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .topbar-nav.open { max-height: 400px; }
  .topbar-nav a {
    display: block;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--line);
  }
  .topbar-nav a:last-child { border-bottom: none; }

  .menu-btn { display: flex; }
  .topbar-controls {
    border-left: none;
    padding-left: 0;
    margin-left: auto;
  }

  .hero { padding: 3.5rem 1.25rem 3rem; }
  .section { padding: 3.5rem 1.25rem; }
  .bottom { padding: 2rem 1.25rem; }

  .exp-card {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    padding: 1.75rem 0;
  }
  .exp-date {
    flex-direction: row;
    gap: 1rem;
  }
}

@media (max-width: 500px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .bottom { flex-direction: column; text-align: left; align-items: flex-start; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }