/* ============================================================
   Mohammed Mounir — Portfolio v1
   Theme: GTA 6-inspired (Vice City neon) with readability first.
   Calm dark base, neon pink/cyan accents, sun-fade hero gradient.
   No framework. Vanilla CSS.
   ============================================================ */

:root {
  /* Base — calm and high-contrast for readability */
  --bg: #0d0f1c;
  --bg-2: #141731;
  --bg-3: #1b1f3d;
  --ink: #f4f6ff;
  --muted: #a9b0d6;
  --line: rgba(255, 255, 255, 0.09);

  /* Neon accents (Vice City) */
  --pink: #ff2e88;
  --cyan: #2ee6ff;
  --purple: #8b3bff;

  /* Sun-fade gradient (hero) */
  --sun-1: #ffb03a;
  --sun-2: #ff5e62;
  --sun-3: #8b3bff;

  --radius: 18px;
  --max-w: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--cyan); }

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  margin: 0 0 12px;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.section-sub {
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 40px;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 15, 28, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand .dot { color: var(--pink); }

.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-links a:hover { color: var(--ink); }

@media (max-width: 720px) {
  .nav-inner {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 12px;
  }
  .nav-links {
    display: flex;
    width: 100%;
    gap: 18px;
    overflow-x: auto;
    padding: 0 0 12px;
    scrollbar-width: thin;
    /* Right-edge fade: signals the nav scrolls. Removed by JS once the
       visitor reaches the end (see .at-end below). */
    -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent 100%);
    mask-image: linear-gradient(90deg, #000 88%, transparent 100%);
  }
  .nav-links.at-end {
    -webkit-mask-image: none;
    mask-image: none;
  }
  .nav-links li {
    flex: 0 0 auto;
  }
  .nav-links a {
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 12px 2px;
  }
  /* Progression path keeps a readable minimum width and scrolls sideways
     instead of shrinking the dots and labels below tap/read size. */
  .path-card { overflow-x: auto; }
  #progress-path { min-width: 620px; }
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 12px 18px;
  background: var(--cyan);
  color: var(--bg);
  font-weight: 700;
  border-radius: 8px;
}
.skip-link:focus {
  top: 12px;
}
:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}
section[id] {
  scroll-margin-top: 90px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 110px;
  /* Sun-fade: Vice City sunset. Dark overlay baked in for text contrast. */
  background:
    linear-gradient(180deg, rgba(13, 15, 28, 0.55) 0%, rgba(13, 15, 28, 0.88) 100%),
    linear-gradient(120deg, var(--sun-1) 0%, var(--sun-2) 45%, var(--sun-3) 100%);
}

.hero::after {
  /* Neon grid horizon — subtle, pure CSS */
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background:
    repeating-linear-gradient(90deg, rgba(46, 230, 255, 0.14) 0 2px, transparent 2px 56px),
    repeating-linear-gradient(0deg, rgba(255, 46, 136, 0.10) 0 2px, transparent 2px 28px);
  mask-image: linear-gradient(180deg, transparent, #000 70%);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.04;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
}

.hero h1 .neon-pink {
  color: #fff;
  text-shadow: 0 0 18px var(--pink), 0 0 46px rgba(255, 46, 136, 0.65);
}

.hero p.lede {
  font-size: 1.15rem;
  color: #f0eefc;
  max-width: 600px;
  margin: 0 0 32px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--pink);
  color: #fff;
  box-shadow: 0 6px 28px rgba(255, 46, 136, 0.45);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}

/* ---------- Timeline ---------- */
#timeline { background: var(--bg); }

.timeline-viewport { position: relative; }

.timeline-track {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 12px 4px 28px;
  /* Faint connector line behind cards */
  background-image: linear-gradient(90deg, var(--line) 0 0);
  background-size: 100% 2px;
  background-repeat: no-repeat;
  background-position: 0 76px;
}

.timeline-track::-webkit-scrollbar { height: 10px; }
.timeline-track::-webkit-scrollbar-thumb {
  background: var(--bg-3);
  border-radius: 8px;
}
.timeline-track::-webkit-scrollbar-track { background: transparent; }

.timeline-hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 8px;
}

/* 3D card — the "museum card" per chapter.
   Real photos slot into .card-media later via the "photo" field in timeline.json. */
.t-scene {
  flex: 0 0 300px;
  scroll-snap-align: start;
  perspective: 1100px;
}

.t-card {
  position: relative;
  background: linear-gradient(160deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-height: 340px;
  transform-style: preserve-3d;
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease;
  cursor: pointer;
}

.t-card:hover {
  border-color: rgba(46, 230, 255, 0.45);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(46, 230, 255, 0.15);
}

.t-card.is-placeholder { border-style: dashed; }

.t-era {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.t-card.is-placeholder .t-era { color: var(--pink); }

.card-media {
  height: 120px;
  border-radius: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 46, 136, 0.16), transparent 60%),
    radial-gradient(circle at 75% 80%, rgba(46, 230, 255, 0.16), transparent 60%),
    rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.14);
  overflow: hidden;
  transform: translateZ(40px); /* pop toward viewer */
}

.card-media svg { width: 52px; height: 52px; opacity: 0.9; }

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.t-card h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  transform: translateZ(24px);
}

.t-location {
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.t-card p.t-text {
  margin: 0;
  font-size: 0.93rem;
  color: #d6dbf5;
}

/* ---------- Journey map ---------- */
#journey { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.map-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 28px;
  align-items: stretch;
}

@media (max-width: 900px) {
  .map-grid { grid-template-columns: 1fr; }
}

.map-card, .path-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.map-card h3, .path-card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.map-card p, .path-card p { margin: 0 0 14px; color: var(--muted); font-size: 0.9rem; }

#journey-map {
  height: 380px;
  border-radius: 12px;
  overflow: hidden;
  background: #0a0c16;
}

/* Leaflet dark-theme tweaks */
.leaflet-container { font-family: var(--font); }
.leaflet-popup-content-wrapper {
  background: var(--bg-3);
  color: var(--ink);
  border-radius: 12px;
}
.leaflet-popup-tip { background: var(--bg-3); }
.leaflet-popup-content { font-size: 0.85rem; line-height: 1.5; }
.leaflet-control-attribution { font-size: 0.65rem; }
.leaflet-control-attribution a { color: var(--muted); }

/* Progression path (SVG) */
.path-card { display: flex; flex-direction: column; }
#progress-path { width: 100%; height: auto; display: block; margin: auto 0; }

/* Numbered map pins (number baked into the marker, no tooltip clutter) */
.stop-marker { background: none; border: none; }
.stop-marker span {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(140deg, var(--pink), var(--cyan));
  color: #0a0c16; font-weight: 700; font-size: 14px;
  border: 2px solid #0a0c16;
  box-shadow: 0 0 0 2px rgba(46, 230, 255, 0.35);
}

/* Cluster badge: same theme treatment, shows the stop count */
.marker-cluster { background: none; border: none; }
.marker-cluster span {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(140deg, var(--pink), var(--cyan));
  color: #0a0c16; font-weight: 700; font-size: 15px;
  border: 2px solid #0a0c16;
  box-shadow: 0 0 0 2px rgba(255, 46, 136, 0.4);
}

/* Attribution readable on dark tiles */
.leaflet-control-attribution {
  background: rgba(10, 12, 22, 0.85) !important;
  color: var(--muted);
  padding: 2px 6px;
}

.pp-node { cursor: pointer; }
.pp-node circle {
  fill: var(--bg-3);
  stroke: var(--cyan);
  stroke-width: 2;
  transition: fill 0.15s ease;
}
.pp-node:hover circle, .pp-node:focus circle { fill: var(--cyan); }
.pp-node text {
  fill: #d5d9f0;
  font-size: 18px;
  font-weight: 600;
  text-anchor: middle;
}
.pp-node.is-placeholder circle { stroke: var(--pink); stroke-dasharray: 4 3; }
.pp-track { stroke: var(--line); stroke-width: 3; fill: none; }
.pp-progress { stroke: url(#ppGradient); stroke-width: 3; fill: none; }

/* ---------- Generic content sections ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.info-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.info-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.role-meta { font-size: 0.85rem; color: var(--cyan); margin: 0 0 4px; letter-spacing: 0.02em; }
.info-card p, .info-card li { color: var(--muted); font-size: 0.93rem; }
.info-card ul { margin: 8px 0 0; padding-left: 18px; }

/* ---------- Contact ---------- */
#education { padding-bottom: 56px; }
#contact { text-align: left; padding-top: 40px; }

.contact-card {
  background: linear-gradient(140deg, rgba(255, 46, 136, 0.12), rgba(46, 230, 255, 0.10)), var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 640px;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Timeline progress ---------- */
.timeline-progress {
  height: 3px;
  margin-top: 8px;
  background: var(--bg-3);
  border-radius: 99px;
  overflow: hidden;
}
#timeline-progress-fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--pink),
    var(--cyan)
  );
  transition: width 0.15s linear;
}

/* ---------- Scroll-triggered reveals ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.65s ease,
    transform 0.65s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Print: clean one-pager for interviews ---------- */
@media print {
  :root {
    --bg: #fff; --bg-2: #fff; --bg-3: #f2f2f2;
    --ink: #111; --muted: #444; --line: #bbb;
  }
  body { background: #fff; }
  .nav, .skip-link, .timeline-progress, #journey, .hero .cta-row,
  .contact-card, footer { display: none !important; }
  section { padding: 18px 0; }
  /* Timeline becomes a 2-column grid so all 8 cards print */
  #timeline-track {
    display: grid; grid-template-columns: 1fr 1fr;
    overflow: visible; gap: 12px;
  }
  .t-scene { min-width: 0; }
  .t-card { transform: none !important; }
  /* Reveals must not hide content on paper */
  .reveal { opacity: 1 !important; transform: none !important; }
  a { color: #111; }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .t-card { transition: none; }
  .btn { transition: none; }
}