/* ============================================================
   François Bib — Portfolio
   Editorial / Code design system
   ============================================================ */

:root {
  /* Palette — overridden at runtime by the Tweaks panel */
  --paper: oklch(0.972 0.008 85);
  --paper-2: oklch(0.945 0.010 85);
  --ink: oklch(0.185 0.012 60);
  --ink-soft: oklch(0.34 0.012 60);
  --muted: oklch(0.52 0.010 60);
  --line: oklch(0.86 0.010 80);
  --line-soft: oklch(0.90 0.008 80);
  --accent: oklch(0.52 0.18 256);
  --accent-ink: oklch(0.99 0.01 256);

  --maxw: 1280px;
  --gut: clamp(20px, 5vw, 88px);

  --font-display: "Bricolage Grotesque", "Arial Narrow", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  font-optical-sizing: auto;
  line-height: 1.5;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--accent-ink); }

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

/* ---- layout helpers ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.section { padding-block: clamp(72px, 11vw, 168px); position: relative; }

.sec-label {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  margin-bottom: clamp(28px, 4vw, 52px);
}
.sec-label::before {
  content: "";
  width: 9px; height: 9px;
  background: var(--accent);
  border-radius: 50%;
  flex: none;
}
.sec-label .n { color: var(--ink); }

.sec-title {
  font-weight: 700;
  font-size: clamp(2.1rem, 5.5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-wrap: balance;
  max-width: 16ch;
}

/* ---- reveal on scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0ms);
}
.reveal.in { opacity: 1; transform: none; }
.no-motion .reveal { opacity: 1; transform: none; transition: none; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 18px;
  padding-inline: max(var(--gut), calc((100% - var(--maxw)) / 2 + var(--gut)));
  mix-blend-mode: normal;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.topbar.scrolled {
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line-soft);
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: -0.02em; }
.logo {
  font-weight: 800;
  font-size: 1.34rem;
  letter-spacing: -0.045em;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}
.logo-dot { color: var(--accent); }
.topnav { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.topnav a {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  white-space: nowrap;
  transition: color 0.25s;
}
.topnav a::after {
  content: ""; position: absolute; left: 0; bottom: -5px; height: 1.5px; width: 0;
  background: var(--accent); transition: width 0.3s var(--ease);
}
.topnav a:hover { color: var(--ink); }
.topnav a:hover::after { width: 100%; }
.topnav .hide-sm { }

.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  padding: 7px 12px;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 7px;
  transition: border-color 0.25s, background 0.25s, color 0.25s;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-btn .cur { color: var(--accent); }

@media (max-width: 720px) {
  .topnav .hide-sm { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding-top: clamp(86px, 13vh, 150px);
  padding-bottom: clamp(18px, 3vh, 40px);
}
.hero-kicker { color: var(--accent); margin-bottom: clamp(14px, 2.5vh, 32px); }

.hero-name {
  font-weight: 800;
  font-size: clamp(2.6rem, min(12.5vw, 15vh), 12rem);
  line-height: 0.84;
  letter-spacing: -0.045em;
  white-space: pre-line;
  margin-left: -0.04em;
  margin-top: auto;
}
.hero-name .ln { display: block; overflow: hidden; }
.hero-name .ln span { display: block; transform: translateY(108%); transition: transform 1s var(--ease); }
.hero-name.in .ln span { transform: none; }
.hero-name .ln:nth-child(2) span { transition-delay: 0.09s; }
.no-motion .hero-name .ln span { transform: none; }

.hero-bottom {
  display: grid;
  grid-template-columns: 1fr minmax(0, 0.95fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  margin-top: clamp(24px, 3.5vh, 56px);
}
.hero-lead {
  font-size: clamp(1.18rem, 2.1vw, 1.72rem);
  line-height: 1.32;
  font-weight: 500;
  letter-spacing: -0.01em;
  max-width: 22ch;
  text-wrap: pretty;
}
.hero-lead .em { color: var(--accent); font-style: normal; }

.hero-meta { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.hero-photo-row { display: flex; align-items: center; gap: 18px; }
.hero-photo {
  width: 96px; height: 96px; flex: none;
  border: 1px solid var(--line);
  object-fit: cover;
  filter: grayscale(1) contrast(1.02);
  display: block;
}
.status-pill {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line);
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-soft);
}
.status-pill .live {
  width: 8px; height: 8px; border-radius: 50%;
  background: oklch(0.7 0.17 150);
  box-shadow: 0 0 0 0 oklch(0.7 0.17 150 / 0.55);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.7 0.17 150 / 0.5); }
  70% { box-shadow: 0 0 0 9px oklch(0.7 0.17 150 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.7 0.17 150 / 0); }
}
.hero-loc { color: var(--muted); display: flex; align-items: center; gap: 8px; }

.hero-rule {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--muted);
}
.scroll-cue { display: inline-flex; align-items: center; gap: 9px; }
.scroll-cue .arr { animation: bob 1.8s var(--ease) infinite; }
@keyframes bob { 0%,100% { transform: translateY(0);} 50%{ transform: translateY(4px);} }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr minmax(0, 1.05fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.about-body { display: flex; flex-direction: column; gap: 24px; }
.about-body p {
  font-size: clamp(1.18rem, 1.8vw, 1.6rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  font-weight: 450;
  text-wrap: pretty;
}
.about-body p:first-child { font-weight: 600; }
.stats { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.stat {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.stat .v {
  font-weight: 800; font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1;
  letter-spacing: -0.03em; color: var(--accent);
}
.stat .l { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.35; }

/* ============================================================
   WORK
   ============================================================ */
.work-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.work-note { color: var(--muted); font-size: 0.9rem; max-width: 30ch; }
.projects { margin-top: clamp(36px, 5vw, 64px); border-top: 1px solid var(--line); }
.project {
  display: grid;
  grid-template-columns: 56px minmax(0, 1.4fr) minmax(0, 1fr) auto;
  gap: clamp(16px, 3vw, 48px);
  align-items: start;
  padding: clamp(26px, 3.4vw, 44px) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  cursor: default;
  transition: background 0.4s var(--ease), padding-left 0.4s var(--ease);
}
.project::before {
  content: ""; position: absolute; left: calc(-1 * var(--gut)); right: calc(-1 * var(--gut)); top: 0; bottom: 0;
  background: var(--accent); opacity: 0; transition: opacity 0.4s var(--ease); z-index: -1;
}
.project:hover { padding-left: 18px; }
.project .idx { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); padding-top: 8px; }
.project .pname {
  font-weight: 700; font-size: clamp(1.7rem, 3.4vw, 2.9rem);
  letter-spacing: -0.03em; line-height: 1; transition: color 0.3s;
  display: inline-flex; align-items: center; gap: 14px;
}
.project .pname .go {
  opacity: 0; transform: translateX(-6px); transition: all 0.35s var(--ease);
  font-size: 0.5em; color: var(--accent);
}
.project:hover .pname .go { opacity: 1; transform: none; }
.project .prole { color: var(--accent); margin-top: 12px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; }
.project .pdesc { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.45; padding-top: 6px; text-wrap: pretty; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag {
  font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--line); padding: 5px 9px; color: var(--ink-soft);
  transition: border-color 0.3s, color 0.3s;
}
.project .pyear { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); padding-top: 8px; text-align: right; white-space: nowrap; }

@media (max-width: 860px) {
  .project { grid-template-columns: 40px 1fr; }
  .project .pdesc-cell { grid-column: 1 / -1; padding-left: 56px; }
  .project .pyear { grid-column: 2; text-align: left; padding-top: 0; }
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-list { margin-top: clamp(36px, 5vw, 64px); }
.exp {
  display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 2fr); gap: clamp(20px, 4vw, 64px);
  padding: clamp(28px, 3.6vw, 48px) 0; border-top: 1px solid var(--line); align-items: start;
}
.exp:last-child { border-bottom: 1px solid var(--line); }
.exp .when { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.06em; color: var(--muted); }
.exp .who { display: flex; flex-direction: column; gap: 14px; }
.exp .company { font-weight: 700; font-size: clamp(1.5rem, 2.8vw, 2.3rem); letter-spacing: -0.025em; line-height: 1; }
.exp .role-row { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; color: var(--accent); }
.exp .role-row .type { color: var(--muted); border-left: 1px solid var(--line); padding-left: 14px; }
.exp .edesc { color: var(--ink-soft); font-size: 1.04rem; line-height: 1.5; max-width: 56ch; text-wrap: pretty; }

@media (max-width: 720px) {
  .exp { grid-template-columns: 1fr; gap: 14px; }
}

/* ============================================================
   STACK
   ============================================================ */
.stack-grid {
  margin-top: clamp(36px, 5vw, 64px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.stack-cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(22px, 2.6vw, 34px); }
.stack-cell .gname { color: var(--muted); margin-bottom: 18px; }
.chiplist { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 0.98rem; font-weight: 600; letter-spacing: -0.01em;
  border: 1px solid var(--line); padding: 7px 13px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s, transform 0.3s var(--ease);
}
.chip:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); transform: translateY(-2px); }

.langs { margin-top: clamp(28px, 3vw, 44px); display: flex; gap: clamp(28px, 5vw, 64px); flex-wrap: wrap; align-items: baseline; }
.langs .lab { color: var(--muted); }
.lang-item { display: flex; align-items: baseline; gap: 12px; }
.lang-item .nm { font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }
.lang-item .lv { color: var(--accent); font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--ink); color: var(--paper); }
.contact .sec-label { color: color-mix(in oklab, var(--paper) 60%, transparent); }
.contact .sec-label .n { color: var(--paper); }
.contact-title {
  font-weight: 800; font-size: clamp(2.6rem, 8vw, 7rem); line-height: 0.9; letter-spacing: -0.04em;
  text-wrap: balance; margin-bottom: clamp(28px, 4vw, 48px);
}
.contact-lead { font-size: clamp(1.1rem, 1.8vw, 1.5rem); line-height: 1.4; max-width: 40ch; color: color-mix(in oklab, var(--paper) 80%, transparent); margin-bottom: clamp(36px, 5vw, 60px); }
.contact-cta {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 700; font-size: clamp(1.1rem, 2vw, 1.5rem); letter-spacing: -0.02em;
  padding: 18px 28px; transition: transform 0.35s var(--ease), gap 0.35s var(--ease);
}
.contact-cta:hover { transform: translateY(-3px); gap: 20px; }

.contact-links {
  margin-top: clamp(48px, 7vw, 90px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border-top: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
}
.clink {
  padding: 26px 0; padding-right: 18px;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 14%, transparent);
  display: flex; flex-direction: column; gap: 8px;
  transition: padding-left 0.35s var(--ease);
}
.clink:hover { padding-left: 10px; }
.clink .ck { color: color-mix(in oklab, var(--paper) 55%, transparent); }
.clink .cv { font-weight: 600; font-size: 1.1rem; letter-spacing: -0.01em; display: inline-flex; align-items: center; gap: 10px; word-break: break-word; }
.clink:hover .cv { color: var(--accent); }

.foot {
  margin-top: clamp(56px, 8vw, 96px);
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
  color: color-mix(in oklab, var(--paper) 50%, transparent);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
}

/* progress bar */
.scroll-prog { position: fixed; top: 0; left: 0; height: 2px; background: var(--accent); z-index: 60; width: 0; }

@media (max-width: 720px) {

  .hero-bottom, .about-grid { grid-template-columns: 1fr; }
  .hero-lead { max-width: none; }
  .hero-name { margin-top: clamp(12px, 2vh, 24px); }
  .hero-kicker { margin-top: auto; }
  .hero-rule { margin-top: auto; }
}