/* ============================================================
   COULON-CHABAGNO Jean-Baptiste · Portfolio · BTS SIO SLAM 2026
   Direction : éditorial × ingénierie · glassmorphism élevé
   ============================================================ */

:root {
  /* Palette — base parchemin chaud sur fond nuit */
  --bg: #0a0a0f;
  --bg-elev: #11111c;
  --ink: #f0ead6;          /* parchemin */
  --ink-2: #c4bfa9;
  --ink-3: #88836f;
  --ink-4: #5a5547;

  /* Accents : chartreuse + ambre (sortir du cliché purple/cyan) */
  --hl: #c4ff5a;
  --hl-warm: #f5a524;
  --hl-cool: #9bb6ff;

  /* Lignes & verre */
  --rule: rgba(240, 234, 214, 0.13);
  --rule-soft: rgba(240, 234, 214, 0.07);
  --glass: rgba(240, 234, 214, 0.04);
  --glass-2: rgba(240, 234, 214, 0.07);

  /* Typographie */
  --serif: 'Fraunces', 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Courier New', monospace;

  /* Layout */
  --max-w: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 22px;
  --radius-sm: 14px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
  overflow-x: hidden;
  min-height: 100vh;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
em { font-style: italic; }

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

:focus-visible {
  outline: 2px solid var(--hl);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ===== Aurora atmosphérique ===== */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.aurora-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  will-change: transform;
}
.aurora .a1 {
  width: 70vmax; height: 70vmax;
  top: -25vmax; left: -25vmax;
  background: radial-gradient(circle, #5b3f87 0%, transparent 65%);
  animation: drift1 32s var(--ease) infinite alternate;
}
.aurora .a2 {
  width: 75vmax; height: 75vmax;
  top: 20vh; right: -30vmax;
  background: radial-gradient(circle, #1a4f5c 0%, transparent 65%);
  animation: drift2 38s var(--ease) infinite alternate;
}
.aurora .a3 {
  width: 65vmax; height: 65vmax;
  bottom: -25vmax; left: 25vw;
  background: radial-gradient(circle, #c5613a 0%, transparent 65%);
  animation: drift3 30s var(--ease) infinite alternate;
}
@keyframes drift1 { to { transform: translate(8vw, 6vh) scale(1.1); } }
@keyframes drift2 { to { transform: translate(-6vw, 8vh) scale(1.05); } }
@keyframes drift3 { to { transform: translate(4vw, -6vh) scale(0.95); } }

/* Grain (SVG inline turbulence) */
.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.94, 0 0 0 0 0.92, 0 0 0 0 0.84, 0 0 0 0.42 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  opacity: 0.2;
  mix-blend-mode: overlay;
}

/* ===== Glass utility ===== */
.glass {
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0) 38%),
    var(--glass);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  position: relative;
}

/* ===== Top bar ===== */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px var(--gutter);
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.85), rgba(10, 10, 15, 0));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}
.brand-mark {
  background: var(--hl);
  color: var(--bg);
  padding: 4px 7px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.brand-sep { color: var(--ink-4); }
.brand-name { color: var(--ink-2); }

.topnav {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.6vw, 22px);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.topnav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 4px;
  color: var(--ink-2);
  transition: color 0.3s var(--ease);
  position: relative;
}
.topnav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 4px;
  width: 0; height: 1px;
  background: var(--hl);
  transition: width 0.4s var(--ease);
}
.topnav a:hover { color: var(--ink); }
.topnav a:hover::after { width: 100%; }
.topnav a.active { color: var(--hl); }
.topnav a.active::after { width: 100%; }
.topnav a .num { color: var(--ink-4); }
.topnav a:hover .num,
.topnav a.active .num { color: var(--hl); }
.topnav a.cta-link { color: var(--hl); }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===== Layout ===== */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
section {
  padding: clamp(72px, 11vw, 144px) 0;
  scroll-margin-top: 90px;
  position: relative;
}

/* ===== Section markers ===== */
.section-marker {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: clamp(36px, 6vw, 72px);
}
.section-marker .num { color: var(--hl); }
.section-marker .lbl { color: var(--ink); }
.section-marker .hr {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* ===== Hero ===== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: clamp(108px, 14vw, 160px);
  padding-bottom: clamp(72px, 10vw, 120px);
}
.hero-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 48px);
  width: 100%;
}
.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
}
.hero-meta .dot { color: var(--ink-4); }
.hero-meta .live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 10px;
  border: 1px solid var(--rule);
  border-radius: 99px;
  color: var(--ink);
  background: var(--glass);
}
.hero-meta .live .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--hl);
  box-shadow: 0 0 10px var(--hl);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 11vw, 8.8rem);
  line-height: 0.94;
  letter-spacing: -0.025em;
  color: var(--ink);
  font-feature-settings: 'liga', 'dlig', 'ss01';
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: auto;
}
.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: rise 1.05s var(--ease) forwards;
}
.hero-title .line-1 { animation-delay: 0.05s; }
.hero-title .line-2 { animation-delay: 0.18s; }
.hero-title .line-3 {
  animation-delay: 0.32s;
  color: var(--ink-2);
  font-style: italic;
}
.hero-title .line-3 em {
  background: linear-gradient(110deg, var(--ink) 25%, var(--hl) 60%, var(--hl-warm) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-lead {
  max-width: 56ch;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  color: var(--ink-2);
  line-height: 1.6;
  padding-left: clamp(0px, 4vw, 60px);
  position: relative;
}
.hero-lead .lead-eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--hl);
  margin-bottom: 10px;
}
.hero-lead strong { color: var(--ink); font-weight: 600; }

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid var(--rule);
  font-weight: 500;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
  text-align: center;
}
.btn-primary {
  background: var(--hl);
  color: var(--bg);
  border-color: var(--hl);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -8px rgba(196, 255, 90, 0.45);
}
.btn-ghost {
  background: var(--glass);
  color: var(--ink);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  border-color: var(--ink-2);
  background: var(--glass-2);
  transform: translateY(-2px);
}
.btn-ghost .pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--hl);
  box-shadow: 0 0 10px var(--hl);
  animation: pulse 1.6s ease-in-out infinite;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  border-top: 1px solid var(--rule);
  padding-top: 28px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  padding-right: 12px;
}
.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 8px; bottom: 8px;
  right: 0;
  width: 1px;
  background: var(--rule-soft);
}
.stat-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  color: var(--ink);
  line-height: 1;
}
.stat-lbl {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ===== Section title big ===== */
.section-title-big {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.2rem, 6vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: clamp(40px, 6vw, 80px);
  max-width: 18ch;
}
.section-title-big em {
  font-style: italic;
  color: var(--hl);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}
.about-text {
  padding: clamp(28px, 4vw, 56px);
}
.about-text .section-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  letter-spacing: -0.025em;
  margin-bottom: 24px;
  color: var(--ink);
  line-height: 1;
}
.about-text .section-title em { color: var(--hl); font-style: italic; }
.about-text .lede {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--ink);
  margin-bottom: 18px;
  line-height: 1.5;
  font-family: var(--serif);
  font-weight: 300;
}
.about-text .lede em { color: var(--hl); font-style: italic; }
.about-text p {
  color: var(--ink-2);
  margin-bottom: 22px;
  line-height: 1.65;
}
.about-text strong { color: var(--ink); font-weight: 600; }

.kw-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--ink-2);
  border-top: 1px solid var(--rule);
  padding-top: 22px;
  margin-top: 8px;
}
.kw-list li {
  padding-left: 22px;
  position: relative;
}
.kw-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--hl);
}

.about-skills {
  padding: clamp(28px, 4vw, 40px);
}
.card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 22px;
}
.card-head .num { color: var(--hl); }
.card-head .lbl { color: var(--ink); }
.about-skills .ref {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 300;
  color: var(--ink);
  margin-bottom: 28px;
  line-height: 1.1;
}
.about-skills .ref em { font-style: italic; color: var(--hl); }

.bars {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.bar-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  gap: 12px;
}
.bar-label {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink);
  font-weight: 500;
}
.bar-pct {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--ink-2);
}
.bar-pct small {
  color: var(--ink-4);
  font-size: 0.72rem;
}
.bar-track {
  height: 4px;
  background: var(--rule-soft);
  border-radius: 99px;
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  width: var(--fill, 0%);
  background: linear-gradient(90deg, var(--hl), var(--hl-warm));
  border-radius: 99px;
  transition: width 1.4s var(--ease);
  box-shadow: 0 0 12px rgba(196, 255, 90, 0.45);
}

/* ===== Projets ===== */
.project {
  padding: clamp(32px, 4vw, 56px);
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s var(--ease);
}
.project:hover {
  border-color: rgba(240, 234, 214, 0.22);
}
.project::after {
  content: "";
  position: absolute;
  top: -1px; right: -1px;
  width: 300px; height: 300px;
  background: radial-gradient(circle at top right, rgba(196, 255, 90, 0.10), transparent 70%);
  pointer-events: none;
  border-radius: inherit;
}

.proj-head {
  display: flex;
  align-items: baseline;
  gap: 24px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.proj-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: var(--hl);
  line-height: 0.85;
  font-weight: 400;
}
.proj-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--ink-2);
}
.proj-meta .dot { color: var(--ink-4); }

.proj-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 18px;
}
.proj-title em {
  font-style: italic;
  color: var(--hl-warm);
}
.proj-tagline {
  max-width: 60ch;
  color: var(--ink-2);
  font-size: 1.02rem;
  margin-bottom: 32px;
  line-height: 1.6;
}
.proj-tagline strong { color: var(--ink); font-weight: 600; }
.proj-tagline b { color: var(--ink); font-weight: 600; }

.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 36px);
  margin-bottom: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.proj-section h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hl);
  margin-bottom: 16px;
  font-weight: 500;
}
.proj-section p {
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.65;
}

.layers {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.layers li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  padding: 14px 16px;
  background: var(--glass);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.layers li:hover {
  border-color: var(--rule);
  background: var(--glass-2);
}
.layer-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--hl);
  grid-row: 1 / 3;
  align-self: center;
  width: 36px;
  text-align: center;
  font-weight: 400;
}
.layer-label {
  font-family: var(--sans);
  font-weight: 600;
  color: var(--ink);
  font-size: 0.94rem;
}
.layer-desc {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-3);
  line-height: 1.5;
  margin-top: 4px;
}

.feat-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feat-list li {
  padding-left: 22px;
  position: relative;
  color: var(--ink-2);
  font-size: 0.94rem;
  line-height: 1.6;
}
.feat-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--hl);
  font-size: 0.85rem;
}
.feat-list b { color: var(--ink); font-weight: 600; }

.schema {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--ink-2);
  margin-bottom: 16px;
}
.schema li { padding-left: 20px; position: relative; }
.schema li::before {
  content: "·";
  position: absolute; left: 4px; top: -3px;
  color: var(--hl);
  font-size: 1.6em;
  line-height: 1;
}
.schema-note {
  font-size: 0.84rem;
  color: var(--ink-3);
  font-style: italic;
  line-height: 1.55;
  font-family: var(--serif);
}

.proj-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 99px;
  border: 1px solid var(--rule);
  background: var(--glass);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  transition: all 0.3s var(--ease);
}
.tag:hover {
  border-color: var(--hl);
  color: var(--ink);
}

/* ===== Stack ===== */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}
.stack-col {
  padding: clamp(22px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.stack-col:hover {
  transform: translateY(-4px);
  border-color: var(--rule);
}
.stack-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 14px;
  flex-wrap: wrap;
}
.stack-head .num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.stack-head h4 {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 400;
  color: var(--ink);
}
.stack-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--ink-2);
}
.stack-col li {
  padding-left: 20px;
  position: relative;
}
.stack-col li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--hl);
  font-size: 0.8em;
}

.marquee {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  padding: clamp(14px, 2vw, 22px) 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 28px;
  animation: marquee 42s linear infinite;
  white-space: nowrap;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--ink-2);
  font-weight: 300;
  width: max-content;
}
.marquee-track span:nth-child(odd) {
  color: var(--ink);
}
.marquee-track span:nth-child(even) {
  color: var(--hl);
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ===== Veille ===== */
.veille-header {
  padding: clamp(28px, 4vw, 56px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 36px;
  margin-bottom: 24px;
  align-items: end;
}
.veille-intro {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.live-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 99px;
  border: 1px solid var(--hl);
  background: rgba(196, 255, 90, 0.06);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--hl);
  font-weight: 500;
}
.live-tag .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--hl);
  box-shadow: 0 0 8px var(--hl);
  animation: pulse 1.6s ease-in-out infinite;
}
.veille-header .section-title-big {
  margin-bottom: 0;
}
.veille-lede {
  font-size: 1.02rem;
  color: var(--ink-2);
  max-width: 56ch;
  line-height: 1.6;
}
.veille-lede b { color: var(--ink); font-weight: 600; }
.veille-source {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}

.veille-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: end;
  justify-content: flex-start;
}
.filter {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 99px;
  border: 1px solid var(--rule);
  background: var(--glass);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
}
.filter:hover {
  color: var(--ink);
  border-color: var(--ink-2);
}
.filter.active {
  background: var(--hl);
  color: var(--bg);
  border-color: var(--hl);
}

.veille-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.story {
  position: relative;
  padding: 22px;
  background: var(--glass);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 180px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
  animation: storyFade 0.6s var(--ease);
}
@keyframes storyFade {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.story:hover {
  transform: translateY(-3px);
  border-color: var(--hl);
  background: var(--glass-2);
}
.story-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  text-transform: uppercase;
  gap: 8px;
}
.story-host {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--hl);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}
.story-host::before {
  content: "●";
  font-size: 0.6em;
  flex-shrink: 0;
}
.story-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.story-title a {
  display: inline;
  background-image: linear-gradient(var(--hl), var(--hl));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.4s var(--ease);
}
.story-title a:hover {
  background-size: 100% 1px;
}
.story-foot {
  display: flex;
  gap: 14px;
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px dashed var(--rule-soft);
}
.story-foot span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.story-skel {
  min-height: 180px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
  background: var(--glass);
  position: relative;
  overflow: hidden;
}
.story-skel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(240, 234, 214, 0.06) 50%, transparent 70%);
  animation: shimmer 1.6s linear infinite;
  transform: translateX(-100%);
}
.story-skel:nth-child(2)::after { animation-delay: 0.15s; }
.story-skel:nth-child(3)::after { animation-delay: 0.3s; }
.story-skel:nth-child(4)::after { animation-delay: 0.45s; }
.story-skel:nth-child(5)::after { animation-delay: 0.6s; }
.story-skel:nth-child(6)::after { animation-delay: 0.75s; }
@keyframes shimmer {
  to { transform: translateX(100%); }
}

.veille-empty {
  grid-column: 1 / -1;
  padding: 32px;
  border: 1px dashed var(--rule);
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--ink-3);
  text-align: center;
  line-height: 1.6;
}

/* ===== Contact ===== */
.contact-card {
  padding: clamp(40px, 6vw, 80px);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  position: relative;
  overflow: hidden;
}
.contact-card::after {
  content: "";
  position: absolute;
  inset: -2px;
  background: radial-gradient(circle at center bottom, rgba(196, 255, 90, 0.10), transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}
.contact-card > * { position: relative; z-index: 1; }
.contact-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.4rem, 7vw, 6rem);
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 0.95;
}
.contact-title em {
  font-style: italic;
  background: linear-gradient(110deg, var(--ink) 25%, var(--hl) 65%, var(--hl-warm));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contact-card p {
  max-width: 50ch;
  color: var(--ink-2);
  font-size: 1.05rem;
  line-height: 1.6;
}
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-3);
  justify-content: center;
}
.contact-meta li { display: inline-flex; align-items: center; gap: 6px; }
.contact-meta .num { color: var(--hl); }

/* ===== Footer ===== */
.footer {
  padding: clamp(48px, 6vw, 96px) var(--gutter) 32px;
  border-top: 1px solid var(--rule);
  margin-top: clamp(48px, 8vw, 96px);
}
.footer-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-name {
  display: flex;
  flex-direction: column;
}
.footer-mark {
  display: block;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink);
}
.footer-mark em { font-style: italic; color: var(--hl); }
.footer-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.footer-meta .dot { color: var(--ink-4); }

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.hero.reveal { opacity: 1; transform: none; }

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

/* Tablet */
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; }
  .veille-header {
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: stretch;
  }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 12px; }
  .stat:nth-child(2)::after { display: none; }
}

/* Mobile */
@media (max-width: 760px) {
  .topnav { display: none; }
  .menu-toggle { display: inline-flex; }
  .topnav.open {
    display: flex;
    position: fixed;
    top: 78px;
    left: var(--gutter);
    right: var(--gutter);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    background: rgba(10, 10, 15, 0.96);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid var(--rule);
    border-radius: 18px;
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.7);
    animation: navDrop 0.4s var(--ease);
    z-index: 99;
  }
  @keyframes navDrop {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: none; }
  }
  .topnav.open a {
    width: 100%;
    padding: 16px 22px;
    border-bottom: 1px solid var(--rule-soft);
    font-size: 0.82rem;
    min-height: 50px;
  }
  .topnav.open a:last-child { border-bottom: none; }

  .hero { padding-top: 124px; }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 14px;
  }
  .hero-stats .stat::after { display: none; }
  .hero-lead { padding-left: 0; }

  .proj-grid { grid-template-columns: 1fr; }
  .proj-head { gap: 14px; }

  .stack-grid { grid-template-columns: 1fr; }

  .footer-grid { flex-direction: column; align-items: flex-start; }

  .veille-controls { gap: 6px; }
}

/* Small mobile */
@media (max-width: 420px) {
  .hero-meta { font-size: 0.7rem; gap: 6px 8px; }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-cta { gap: 10px; }
  .filter {
    font-size: 0.7rem;
    padding: 0 14px;
    min-height: 40px;
  }
  .stat-num { font-size: 2rem; }
  .veille-grid { grid-template-columns: 1fr; gap: 10px; }
  .stack-col { padding: 22px 18px; }
  .project { padding: 26px 22px; }
  .veille-header { padding: 26px 22px; }
  .contact-card { padding: 36px 22px; }
  .about-text, .about-skills { padding: 28px 22px; }
  .layers li { padding: 12px 14px; }
  .layer-num { width: 30px; font-size: 1.3rem; }
  .layer-desc { font-size: 0.72rem; }
}

/* Very small mobile (iPhone SE 1st gen 320px) */
@media (max-width: 360px) {
  :root { --gutter: 14px; }
  .hero-title { font-size: clamp(2.4rem, 12vw, 8rem); }
  .topbar { padding: 14px 14px; }
  .brand { font-size: 0.7rem; }
  .stat-num { font-size: 1.7rem; }
  .marquee-track { gap: 18px; font-size: 1.3rem; }
}

/* iOS safe areas */
@supports (padding: max(0px)) {
  .topbar {
    padding-left: max(var(--gutter), env(safe-area-inset-left));
    padding-right: max(var(--gutter), env(safe-area-inset-right));
  }
  .footer {
    padding-bottom: max(32px, env(safe-area-inset-bottom));
  }
}