/* ============================================================
   Portfolio — Therond Gratien
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* ---------- Tokens ---------- */
:root {
  --accent: oklch(0.55 0.2 305);
  --accent-soft: oklch(0.55 0.2 305 / 0.12);
  --accent-text: oklch(0.46 0.2 305);

  --bg: oklch(0.985 0.004 280);
  --bg-2: oklch(0.965 0.005 280);
  --surface: oklch(1 0 0);
  --ink: oklch(0.22 0.012 280);
  --ink-2: oklch(0.42 0.012 280);
  --muted: oklch(0.56 0.01 280);
  --border: oklch(0.91 0.006 280);
  --border-strong: oklch(0.84 0.008 280);
  --shadow: 0 1px 2px oklch(0.4 0.02 280 / 0.04), 0 8px 30px oklch(0.4 0.02 280 / 0.06);
  --shadow-lift: 0 2px 6px oklch(0.4 0.02 280 / 0.06), 0 18px 50px oklch(0.4 0.02 280 / 0.12);

  --font-body: "Manrope", system-ui, sans-serif;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1140px;
  --display-weight: 600;
  --display-tracking: -0.02em;
  --display-style: normal;
}

[data-theme="dark"] {
  --accent: oklch(0.72 0.18 305);
  --accent-soft: oklch(0.72 0.18 305 / 0.16);
  --accent-text: oklch(0.82 0.16 305);

  --bg: oklch(0.165 0.012 280);
  --bg-2: oklch(0.195 0.013 280);
  --surface: oklch(0.215 0.014 280);
  --ink: oklch(0.95 0.005 280);
  --ink-2: oklch(0.78 0.008 280);
  --muted: oklch(0.62 0.01 280);
  --border: oklch(0.3 0.012 280);
  --border-strong: oklch(0.4 0.014 280);
  --shadow: 0 1px 2px oklch(0 0 0 / 0.3), 0 10px 34px oklch(0 0 0 / 0.34);
  --shadow-lift: 0 2px 8px oklch(0 0 0 / 0.36), 0 22px 60px oklch(0 0 0 / 0.5);
}

/* ---------- Accents ---------- */
[data-accent="blue"]    { --accent: oklch(0.55 0.16 250); --accent-soft: oklch(0.55 0.16 250 / 0.12); --accent-text: oklch(0.46 0.16 250); }
[data-accent="violet"]  { --accent: oklch(0.55 0.2 305);  --accent-soft: oklch(0.55 0.2 305 / 0.12);  --accent-text: oklch(0.46 0.2 305); }
[data-accent="emerald"] { --accent: oklch(0.56 0.13 162); --accent-soft: oklch(0.56 0.13 162 / 0.12); --accent-text: oklch(0.46 0.13 162); }
[data-accent="amber"]   { --accent: oklch(0.64 0.14 68);  --accent-soft: oklch(0.64 0.14 68 / 0.14);  --accent-text: oklch(0.5 0.13 60); }

[data-theme="dark"][data-accent="blue"]    { --accent: oklch(0.72 0.15 252); --accent-soft: oklch(0.72 0.15 252 / 0.16); --accent-text: oklch(0.8 0.14 252); }
[data-theme="dark"][data-accent="violet"]  { --accent: oklch(0.72 0.18 305); --accent-soft: oklch(0.72 0.18 305 / 0.16); --accent-text: oklch(0.82 0.16 305); }
[data-theme="dark"][data-accent="emerald"] { --accent: oklch(0.74 0.14 162); --accent-soft: oklch(0.74 0.14 162 / 0.16); --accent-text: oklch(0.82 0.13 162); }
[data-theme="dark"][data-accent="amber"]   { --accent: oklch(0.8 0.13 75);   --accent-soft: oklch(0.8 0.13 75 / 0.16);   --accent-text: oklch(0.86 0.12 78); }

/* ---------- Variantes de style ---------- */
[data-style="editorial"] {
  --font-display: "Newsreader", Georgia, serif;
  --display-weight: 500;
  --display-tracking: -0.01em;
  --radius: 4px;
  --radius-sm: 3px;
}
[data-style="mono"] {
  --font-display: "Space Grotesk", monospace;
  --display-weight: 500;
  --display-tracking: -0.01em;
  --radius: 0px;
  --radius-sm: 0px;
}

/* ============================================================
   Base
   ============================================================ */
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--ink);
  font-size: 17px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

.display {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  line-height: 1.04;
}

.mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-text);
  display: inline-flex;
  align-items: center;
  gap: 10px;

  &::before {
    content: "";
    width: 26px;
    height: 1px;
    background: currentColor;
    opacity: 0.6;
  }
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background-color: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background-color 0.3s ease;

  &.scrolled { border-color: var(--border); }
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;

  a {
    font-size: 14.5px;
    color: var(--ink-2);
    transition: color 0.2s;

    &:hover { color: var(--ink); }
  }

  @media (max-width: 760px) { display: none; }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--ink-2);
  transition: all 0.2s;

  &:hover {
    color: var(--ink);
    border-color: var(--border-strong);
    background: var(--bg-2);
  }
}

/* ============================================================
   Boutons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: oklch(0.99 0 0);

  [data-theme="dark"] & { color: oklch(0.15 0.01 280); }
  &:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: var(--shadow-lift); }
}

.btn-ghost {
  border-color: var(--border-strong);
  color: var(--ink);

  &:hover { background: var(--bg-2); border-color: var(--ink-2); transform: translateY(-1px); }
}

/* ============================================================
   Sections
   ============================================================ */
section { padding: 96px 0; }

.sec-head {
  margin-bottom: 48px;
  max-width: 720px;
}

.sec-title { font-size: clamp(30px, 4vw, 44px); margin-top: 18px; }
.sec-sub { color: var(--muted); font-size: 18px; margin-top: 14px; max-width: 60ch; text-wrap: pretty; }
.divider { height: 1px; background: var(--border); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: clamp(60px, 10vw, 120px) 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 56px;
  align-items: center;

  @media (max-width: 880px) { grid-template-columns: 1fr; gap: 40px; }
}

.avail-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  color: var(--ink-2);
  background: var(--surface);
}

.avail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: oklch(0.65 0.16 150);
  box-shadow: 0 0 0 3px oklch(0.65 0.16 150 / 0.2);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.hero {
  h1 { font-size: clamp(46px, 7.5vw, 84px); margin: 26px 0 0; }
  .role { color: var(--accent-text); }
}

.hero-tag {
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--ink-2);
  margin-top: 24px;
  max-width: 30ch;
  text-wrap: balance;
  line-height: 1.4;
}

.hero-cta { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }

.hero-meta {
  display: flex;
  gap: 26px;
  margin-top: 40px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;

  span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
}

.hero-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  font-family: var(--font-mono);
  font-size: 13px;

  .hc-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 18px;

    i {
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: var(--border-strong);
      display: inline-block;
    }
  }

  .hc-line {
    display: flex;
    gap: 10px;
    padding: 5px 0;
    color: var(--ink-2);
  }

  .hc-key { color: var(--muted); width: 92px; flex: none; }
  .hc-val { color: var(--ink); }
  .hc-accent { color: var(--accent-text); }

  @media (max-width: 880px) { display: none; }
}

/* ============================================================
   Stats
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);

  @media (max-width: 760px) {
    grid-template-columns: repeat(2, 1fr);

    .stat:nth-child(2) { border-right: none; }
    .stat:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  }
}

.stat {
  padding: 36px 28px;
  border-right: 1px solid var(--border);

  &:last-child { border-right: none; }
}

.stat-val {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 4.5vw, 50px);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label { color: var(--muted); font-size: 14px; margin-top: 10px; }

/* ============================================================
   About
   ============================================================ */
.about-body {
  max-width: 1000px;

  p {
    font-size: 18px;
    color: var(--ink-2);
    margin-bottom: 0;
    text-wrap: pretty;
  }

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

.about-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 48px;

  p:first-child {
    grid-column: 1 / -1;
    font-size: clamp(24px, 3vw, 30px);
    line-height: 1.32;
    color: var(--ink);
    margin-bottom: 14px;
    max-width: 30ch;
  }

  @media (max-width: 760px) { grid-template-columns: 1fr; }
}

/* ============================================================
   Skills
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.skill-group {
  background-color: var(--surface);
  padding: 28px;
  transition: background-color 0.2s;

  &:hover {
    background-color: var(--bg-2);

    .chip {
      border-color: var(--accent);
      color: var(--accent-text);
    }
  }

  h3 {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 18px;
  }
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  color: var(--ink-2);
  transition: all 0.2s;
}

/* ============================================================
   Experience
   ============================================================ */
.timeline { display: flex; flex-direction: column; }

.xp {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--border);

  &:last-child { border-bottom: 1px solid var(--border); }

  @media (max-width: 720px) { grid-template-columns: 1fr; gap: 16px; }
}

.xp-when { display: flex; flex-direction: column; gap: 8px; }
.xp-period { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }

.xp-mode {
  font-size: 12.5px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 7px;

  &::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
  }
}

.xp-role {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.xp-company { color: var(--accent-text); font-size: 15px; margin-top: 4px; margin-bottom: 16px; }

.xp-points {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;

  li {
    color: var(--ink-2);
    font-size: 15.5px;
    padding-left: 20px;
    position: relative;
    text-wrap: pretty;

    &::before {
      content: "→";
      position: absolute;
      left: 0;
      color: var(--accent);
    }
  }
}

.xp-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }

.xp-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ============================================================
   Projects
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;

  @media (max-width: 700px) { grid-template-columns: 1fr; }
}

.proj {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--surface);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 220px;

  &:hover {
    border-color: var(--border-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lift);

    .proj-arrow { opacity: 1; transform: translate(0, 0); }
  }
}

.proj-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.proj-kind {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.proj-status {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent-text);
}

.proj {
  h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 25px;
    letter-spacing: -0.015em;
  }
}

.proj-desc { color: var(--ink-2); font-size: 15.5px; margin-top: 12px; flex: 1; text-wrap: pretty; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }

.proj-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.proj-arrow {
  position: absolute;
  bottom: 22px;
  right: 26px;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all 0.25s;
  color: var(--accent);
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.contact-card {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.contact {
  h2 { font-size: clamp(34px, 5vw, 56px); margin: 20px 0 18px; }
  p { color: var(--ink-2); font-size: 19px; margin-bottom: 34px; }
}

.contact-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.contact-links {
  display: flex;
  gap: 28px;
  justify-content: center;
  margin-top: 46px;
  flex-wrap: wrap;
}

.contact-link {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.2s;
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;

  b {
    color: var(--ink);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 12px;
  }

  &:hover { color: var(--accent-text); }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13.5px;

  .mono { color: var(--ink-2); }
}

/* ============================================================
   Reveal au scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;

  &.in { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}