/* =======================================================
   hyper.css — Hyperstudio-inspired direction artistique
   -------------------------------------------------------
   - Dark, editorial typography
   - Crisp borders, lots of air
   - Minimal, high-contrast UI
   - Shared by index.html + projectsPage/*.html
   ======================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
button { border: 0; background: transparent; cursor: pointer; }

:root {
  --bg: #0b0b0d;
  --bg-2: #0f0f12;
  --text: #f4f4f7;
  --muted: #b9b9c2;
  --muted-2: #8a8a94;
  --border: rgba(255, 255, 255, 0.12);
  --surface: rgba(255, 255, 255, 0.04);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 20px;
  --radius-lg: 28px;

  --content-w: 1120px;
  --gutter: clamp(16px, 3.5vw, 40px);
  --section-py: clamp(56px, 7vw, 124px);

  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-display: "Space Grotesk", var(--font-sans);
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

html, body { min-height: 100%; }
body {
  background:
    radial-gradient(900px 560px at 20% 10%, rgba(255, 255, 255, 0.06), transparent 60%),
    radial-gradient(800px 500px at 85% 30%, rgba(255, 255, 255, 0.04), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.55;
  overflow-x: clip;
}

/* subtle noise overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.11;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  background-size: 260px 260px;
  mix-blend-mode: overlay;
}

.container {
  width: min(calc(100% - 2 * var(--gutter)), var(--content-w));
  margin-inline: auto;
}
.section { padding-block: var(--section-py); }

/* Anchor offset for sticky header */
section[id] { scroll-margin-top: 92px; }

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.06;
}

h1 { font-size: clamp(36px, 5.8vw, 74px); }
h2 { font-size: clamp(24px, 3.6vw, 40px); }

.lead { color: var(--muted); font-size: clamp(16px, 1.6vw, 18px); }
.kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--muted-2);
  margin-bottom: 14px;
}

.highlight {
  color: var(--text);
  background: linear-gradient(90deg, rgba(255,255,255,1), rgba(255,255,255,0.55));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Header / Nav ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 11, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 180ms ease;
}
header.scrolled { background: rgba(11, 11, 13, 0.86); }

nav {
  width: min(calc(100% - 2 * var(--gutter)), var(--content-w));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.logo a {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}
.nav-cta:hover {
  border-color: rgba(255, 255, 255, 0.26);
}

@media (max-width: 720px) {
  .nav-links { gap: 8px; }
  .nav-links a { padding: 8px 10px; }
}

/* ---------- About / Hero ---------- */
#about-me .about-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
  justify-items: center;
}

#about-me .about-text {
  width: min(100%, 860px);
  padding: clamp(22px, 4vw, 42px);
  border-radius: calc(var(--radius-lg) + 4px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(120% 140% at 90% 10%, rgba(255, 255, 255, 0.08), transparent 50%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

#about-me .about-text::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
}

#about-me .about-text .kicker { margin-bottom: 12px; }
#about-me .about-text h1 { margin-top: 6px; }
#about-me .about-text p { margin-top: 14px; }

#about-me ul {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}
#about-me li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
#about-me li strong {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--muted-2);
  font-weight: 500;
}

#about-me .about-image {
  width: min(100%, 920px);
  justify-self: center;
  position: relative;
  margin-top: clamp(-8px, -1vw, -4px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
}

#about-me .about-image::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}

#about-me .about-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(0.42) contrast(1.1) saturate(0.9);
}

.cv-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

@media (max-width: 760px) {
  #about-me .about-text { padding: 20px; }
  #about-me li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.05);
}

.btn.primary {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.btn.primary:hover {
  background: rgba(244, 244, 247, 0.92);
}

/* ---------- Section headings ---------- */
.section > h1,
.section > h2 {
  margin-bottom: 18px;
}

/* Center align key section titles and wrappers on the homepage */

#parcours .kicker,
#skills .kicker,
#projects .kicker,
#contact .kicker {
  text-align: center;
}

#parcours h1,
#skills h1,
#projects h1,
#contact h1 {
  text-align: center;
}

#parcours .timeline,
#skills .skills-container,
#projects .work--lockup,
#contact .social-links {
  margin-inline: auto;
}

/* ---------- Parcours ---------- */
#parcours .timeline {
  position: relative;
  margin-top: 22px;
  display: grid;
  gap: 18px;
  padding: 16px 0;
}

/* Tree trunk */
#parcours .timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.22) 35%,
    rgba(255, 255, 255, 0.16) 70%,
    rgba(255, 255, 255, 0.08)
  );
  box-shadow: 0 0 22px rgba(255, 255, 255, 0.06);
}

#parcours article {
  position: relative;
  width: min(46%, 520px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: calc(var(--radius) + 2px);
  padding: 20px;
  background:
    radial-gradient(120% 120% at 85% 10%, rgba(255, 255, 255, 0.08), transparent 52%),
    rgba(255, 255, 255, 0.02);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

/* Alternate nodes on both sides of the trunk */
#parcours article:nth-child(odd) {
  margin-right: auto;
}

#parcours article:nth-child(even) {
  margin-left: auto;
}

/* Branches */
#parcours article::before {
  content: "";
  position: absolute;
  top: 50%;
  width: clamp(38px, 5.5vw, 64px);
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(to right, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.22));
}

/* Node at branch-trunk intersection */
#parcours article::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.08);
}

#parcours article:nth-child(odd)::before {
  right: calc(clamp(38px, 5.5vw, 64px) * -1);
}

#parcours article:nth-child(even)::before {
  left: calc(clamp(38px, 5.5vw, 64px) * -1);
  transform: translateY(-50%) scaleX(-1);
}

#parcours article:nth-child(odd)::after {
  right: calc(clamp(38px, 5.5vw, 64px) * -1 - 6px);
}

#parcours article:nth-child(even)::after {
  left: calc(clamp(38px, 5.5vw, 64px) * -1 - 6px);
}

#parcours article:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.36);
}

#parcours article h2 {
  font-size: clamp(18px, 2.2vw, 24px);
  margin-bottom: 12px;
}

#parcours article ul { display: grid; gap: 8px; }
#parcours article li { color: var(--muted); }
#parcours article b { color: var(--text); font-weight: 600; }

@media (max-width: 900px) {
  #parcours .timeline::before {
    left: 18px;
    transform: none;
  }

  #parcours article,
  #parcours article:nth-child(odd),
  #parcours article:nth-child(even) {
    width: calc(100% - 36px);
    margin-left: 36px;
    margin-right: 0;
  }

  #parcours article::before,
  #parcours article:nth-child(odd)::before,
  #parcours article:nth-child(even)::before {
    left: -28px;
    right: auto;
    width: 28px;
    transform: translateY(-50%);
  }

  #parcours article::after,
  #parcours article:nth-child(odd)::after,
  #parcours article:nth-child(even)::after {
    left: -33px;
    right: auto;
  }
}

/* ---------- Skills ---------- */
#skills .skills-container {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

#skills .skills-row {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  padding: 4px 0;
}

#skills .skills-row::before,
#skills .skills-row::after {
  content: "";
  position: absolute;
  top: 0;
  width: clamp(24px, 6vw, 72px);
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

#skills .skills-row::before {
  left: 0;
  background: linear-gradient(to right, rgba(11, 11, 13, 0.96), rgba(11, 11, 13, 0));
}

#skills .skills-row::after {
  right: 0;
  background: linear-gradient(to left, rgba(11, 11, 13, 0.96), rgba(11, 11, 13, 0));
}

#skills .skills-track {
  display: flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  animation: skills-marquee-left 36s linear infinite;
}

#skills .skills-row.reverse .skills-track {
  animation-name: skills-marquee-right;
  animation-duration: 32s;
}

#skills .skills-row:hover .skills-track {
  animation-play-state: paused;
}

@keyframes skills-marquee-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes skills-marquee-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.skill-card {
  min-width: clamp(170px, 22vw, 230px);
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 12px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.skill-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.22);
}

.skill-card img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: none;
  opacity: 1;
}

.skill-card p {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--text);
}

/* ---------- Projects / Slider ---------- */
#projects .work {
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
}

.work--lockup {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  width: 100%;
  padding-inline: clamp(44px, 6vw, 80px);
}

.slider--prev,
.slider--next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  display: grid;
  place-items: center;
  z-index: 9;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.slider--prev { left: 0; }
.slider--next { right: 0; }

.slider--prev:hover,
.slider--next:hover {
  transform: translateY(calc(-50% - 1px));
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.05);
}

.slider {
  position: relative;
  width: min(100%, 980px);
  height: clamp(320px, 42vw, 500px);
  margin-inline: auto;
  overflow: hidden;
  list-style: none;
  padding: 0;
  z-index: 2;
}

.slider--item {
  width: clamp(230px, 34vw, 380px);
  height: clamp(280px, 38vw, 480px);
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: calc(var(--radius-lg) + 4px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    radial-gradient(90% 90% at 80% 12%, rgba(255, 255, 255, 0.12), transparent 52%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  box-shadow:
    0 22px 54px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: translate(-50%, -50%) scale(0.7);
  transform-origin: center center;
  opacity: 0;
  pointer-events: none;
  transition: transform 520ms cubic-bezier(.2,.8,.2,1), opacity 420ms ease, border-color 220ms ease, box-shadow 220ms ease;
  overflow: hidden;
}

.slider--item::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.slider--item:hover {
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow:
    0 26px 62px rgba(0, 0, 0, 0.46),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.slider--item .project-link {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
}

.slider--item .project-link::after {
  content: "Voir le projet";
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  color: rgba(244, 244, 247, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 8px 12px;
}

.slider--item-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  line-height: 1.1;
  font-size: clamp(22px, 2.6vw, 34px);
  text-wrap: balance;
}

.slider--item.is-center {
  transform: translate(-50%, -50%) rotateY(0deg) scale(1);
  opacity: 1;
  z-index: 4;
  pointer-events: auto;
}

.slider--item.is-left {
  transform: translate(calc(-50% - clamp(180px, 19vw, 230px)), -50%) rotateY(45deg) scale(0.86);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

.slider--item.is-right {
  transform: translate(calc(-50% + clamp(180px, 19vw, 230px)), -50%) rotateY(-45deg) scale(0.86);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

.slider--item.is-far-left,
.slider--item.is-far-right {
  transform: translate(-50%, -50%) scale(0.68);
  opacity: 0;
  z-index: 1;
}

.slider--item.is-center.pivot-left {
  animation: project-card-pivot-left 460ms cubic-bezier(.2,.85,.24,1);
}

.slider--item.is-center.pivot-right {
  animation: project-card-pivot-right 460ms cubic-bezier(.2,.85,.24,1);
}

@keyframes project-card-pivot-left {
  0% { transform: translate(-50%, -50%) rotateY(0deg) scale(1); }
  40% { transform: translate(-50%, -50%) rotateY(-45deg) scale(0.95); }
  100% { transform: translate(-50%, -50%) rotateY(0deg) scale(1); }
}

@keyframes project-card-pivot-right {
  0% { transform: translate(-50%, -50%) rotateY(0deg) scale(1); }
  40% { transform: translate(-50%, -50%) rotateY(45deg) scale(0.95); }
  100% { transform: translate(-50%, -50%) rotateY(0deg) scale(1); }
}

.slider-mask {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  mask: linear-gradient(to right, transparent 0%, black 7%, black 93%, transparent 100%);
}

@media (max-width: 860px) {
  .slider {
    width: min(100%, 420px);
    height: clamp(320px, 84vw, 470px);
  }

  .slider--item.is-left,
  .slider--item.is-right {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.74);
    z-index: 2;
  }
}

/* ---------- Contact ---------- */
#contact .social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 10px;
}

#contact img {
  filter: grayscale(1) brightness(1.8);
  opacity: 0.92;
  transition: transform 160ms ease, opacity 160ms ease;
}

#contact img:hover {
  transform: translateY(-2px);
  opacity: 1;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px var(--gutter);
  color: var(--muted-2);
  text-align: center;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 700ms cubic-bezier(.2,.8,.2,1);
  will-change: opacity, transform;
}
[data-reveal].reveal-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Tables on project pages ---------- */
.project-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}
.project-table th,
.project-table td {
  padding: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  vertical-align: top;
}
.project-table th {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  font-size: 12px;
  color: var(--muted);
}
.project-table td { color: var(--muted); }

/* Small warning callout (used on some project pages) */
.hs-warn {
  color: #ffd7a6;
  background: rgba(255, 215, 166, 0.06);
  border: 1px solid rgba(255, 215, 166, 0.18);
  border-radius: 14px;
  padding: 12px 14px;
}

/* ---------- Small utilities used in old pages ---------- */
.space1 { margin-top: 16px; }
.space4 { margin-top: 28px; }

/* Selection */
::selection { background: rgba(255, 255, 255, 0.22); color: var(--bg); }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  [data-reveal] { transition: none; }
  #skills .skills-track { animation: none !important; }
  .slider--item { animation: none !important; }
  .btn, .slider--item, .slider--prev, .slider--next, header { transition: none; }
}