/* ==========================================================================
   styles.css — layout and theme. You normally do NOT need to edit this file:
   all text and project data lives in data.js.

   Want to change the accent colour? Edit --accent below. Everything follows.
   ========================================================================== */

/* ---------- 1. Design tokens ---------------------------------------- */
:root {
  /* The single accent colour. Try #22e5c1 (teal), #35e07a (matrix green)
     or #2bd6ff (electric cyan). */
  --accent: #22e5c1;
  --accent-soft: rgba(34, 229, 193, 0.13);
  --accent-line: rgba(34, 229, 193, 0.38);
  --accent-glow: rgba(34, 229, 193, 0.16);

  --bg: #070a0c;
  --bg-header: rgba(7, 10, 12, 0.82);
  --surface: #0c1114;
  --surface-2: #101619;

  --text: #dde5e8;
  --muted: #94a3ab;
  --dim: #64757d;

  --line: rgba(148, 176, 184, 0.14);
  --line-strong: rgba(148, 176, 184, 0.26);

  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, "SF Mono",
          Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, sans-serif;

  --radius: 10px;
  --wrap: 1120px;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- 2. Reset / base ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ==========================================================================
   BACKGROUND STACK
   --------------------------------------------------------------------------
   Four fixed, non-interactive layers build the depth. Back to front:

     html::before   coarse 184px grid + edge vignette   (z -4)
     html::after    film grain, inline SVG noise        (z -3)
     body::before   fine 46px grid                      (z -2)
     body::after    accent blooms + static scanlines    (z -1)
     .bg-sweep      one slow scanline drift             (z -1)

   Everything is gradients or a tiny data: URI — no images, no extra requests.
   Colours all come from the existing tokens; nothing new is introduced.
   ========================================================================== */

/* Layer 1 — coarse grid for parallax-ish depth behind the fine one, plus a
   vignette that darkens the edges so the content column sits forward. */
html::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -4;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(148, 176, 184, 0.020) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 176, 184, 0.020) 1px, transparent 1px),
    radial-gradient(140% 100% at 50% 40%, transparent 45%, rgba(0, 0, 0, 0.55) 100%);
  background-size: 184px 184px, 184px 184px, 100% 100%;
}

/* Layer 2 — a whisper of film grain. Stops the large flat areas from banding
   and gives the dark background some texture. */
html::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

/* Layer 3 — the original fine blueprint grid, fading out down the page. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(148, 176, 184, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 176, 184, 0.055) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 0%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 50% 0%, #000 0%, transparent 78%);
}

/* Layer 4 — accent blooms and static scanlines. The bloom behind the header
   is now answered by a fainter one low on the right, so the page has light at
   both ends instead of fading into flat black. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(720px 340px at 12% -8%, var(--accent-glow), transparent 70%),
    radial-gradient(620px 380px at 92% 108%, rgba(34, 229, 193, 0.07), transparent 72%),
    repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.016) 0 1px, transparent 1px 3px);
}

/* Layer 5 — a single soft band that drifts down the screen roughly every
   14 seconds, like a CRT refresh. Deliberately almost invisible: it reads as
   the page being "live" rather than as an animation. */
.bg-sweep {
  position: fixed;
  inset: -20% 0 auto 0;
  height: 42vh;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(34, 229, 193, 0.028) 45%,
    rgba(34, 229, 193, 0.045) 50%,
    rgba(34, 229, 193, 0.028) 55%,
    transparent 100%);
  animation: bg-sweep 14s linear infinite;
  will-change: transform;
}
@keyframes bg-sweep {
  from { transform: translate3d(0, -60vh, 0); }
  to   { transform: translate3d(0, 160vh, 0); }
}

img, svg { max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 40px);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: #04110d;
  font: 600 13px/1 var(--mono);
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- 3. Header ----------------------------------------------- */
.site-header {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(34, 229, 193, 0.045), transparent 60%);
}

.header-inner {
  display: flex;
  flex-wrap: nowrap;          /* stacking is handled by the 860px breakpoint */
  gap: 32px;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: clamp(38px, 7vw, 68px);
  padding-bottom: clamp(26px, 4vw, 38px);
}

/* lets the identity column shrink instead of shoving the contacts out of line */
.identity { min-width: 0; }

.prompt-line {
  margin: 0 0 10px;
  font: 400 12.5px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.prompt-sigil { color: var(--accent); }

.name {
  margin: 0;
  font: 600 clamp(30px, 5.6vw, 47px)/1.08 var(--mono);
  letter-spacing: -0.015em;
  color: #f2f7f8;
}

.tagline {
  margin: 12px 0 0;
  font: 500 clamp(16px, 2.5vw, 20px)/1.35 var(--mono);
  color: var(--accent);
  letter-spacing: 0.01em;
}

/* Blinking terminal cursor after the tagline. */
.cursor {
  display: inline-block;
  width: 0.58em;
  height: 1.05em;
  margin-left: 0.35em;
  vertical-align: -0.14em;
  background: var(--accent);
  animation: blink 1.15s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.subline {
  margin: 10px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 14.5px;
}

.location {
  margin: 6px 0 0;
  font: 500 13px/1.5 var(--mono);
  color: var(--dim);
}
.location::before {
  content: "◆ ";
  color: var(--accent);
  opacity: 0.75;
}

.header-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 16px;
  flex: 0 0 auto;   /* keep the toggle + contacts pinned to the right */
}

/* EN / FR toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: 600 12px/1 var(--mono);
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.lang-toggle:hover {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.lang-opt {
  padding: 5px 11px;
  border-radius: 999px;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease);
}
.lang-opt[data-active="true"] {
  background: var(--accent);
  color: #04110d;
}
.lang-sep { color: var(--dim); font-weight: 400; }

.contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.015);
  color: var(--text);
  font: 500 13px/1 var(--mono);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease),
              background-color 0.18s var(--ease);
}
.contact:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}
.contact svg { width: 15px; height: 15px; flex: none; }

/* Sticky in-page nav */
.section-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-top: 1px solid var(--line);
  background: var(--bg-header);
  -webkit-backdrop-filter: blur(9px);
          backdrop-filter: blur(9px);
}
.section-nav-inner { display: flex; gap: 26px; }
.section-nav a {
  padding: 13px 0;
  color: var(--muted);
  font: 500 12.5px/1 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.section-nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

/* ---------- 4. Sections --------------------------------------------- */
.section { padding: clamp(46px, 7vw, 78px) 0; }
.section + .section { border-top: 1px solid var(--line); }

.section-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 6px;
  font: 600 clamp(19px, 3vw, 24px)/1.2 var(--mono);
  letter-spacing: 0.01em;
  color: #eef4f5;
}
.section-num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  opacity: 0.8;
}
.section-note {
  margin: 0 0 26px;
  color: var(--dim);
  font: 400 13px/1.6 var(--mono);
}

.subsection-title {
  margin: 54px 0 6px;
  font: 600 15px/1.3 var(--mono);
  letter-spacing: 0.06em;
  color: #eef4f5;
}
.subsection-title::before {
  content: "// ";
  color: var(--accent);
  opacity: 0.7;
}

/* ---------- 5. About ------------------------------------------------ */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 56px);
  align-items: start;
  margin-top: 18px;
}
.about-text p {
  margin: 0 0 15px;
  max-width: 62ch;
  color: #cfd9dd;
}
.about-text p:last-child { margin-bottom: 0; }

/* section headings inside the About copy (Technical experience, etc.) */
.about-heading {
  margin: 26px 0 9px;
  font: 600 11.5px/1.3 var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.about-heading::before {
  content: "▸ ";
  opacity: 0.8;
}

.highlights {
  margin: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent-line);
  border-radius: var(--radius);
  background: var(--surface);
}
.highlights dt {
  font: 600 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 5px;
}
.highlights dd {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.highlights dd:last-child { margin-bottom: 0; }

/* ---------- 6. Cards ------------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 18px;
}
.card-grid-compact {
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  margin-top: 22px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease),
              transform 0.2s var(--ease);
}
.card.is-openable { cursor: pointer; }
.card.is-openable:hover,
.card.is-openable:focus-within {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 1px var(--accent-soft), 0 10px 30px -18px var(--accent),
              0 0 26px -10px var(--accent-glow);
  transform: translateY(-2px);
}

/* thin scan line that lights up along the top edge on hover */
.card.is-openable::after {
  content: "";
  position: absolute;
  inset: -1px -1px auto;
  height: 1px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}
.card.is-openable:hover::after,
.card.is-openable:focus-within::after { opacity: 0.9; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-num {
  font: 600 11px/1 var(--mono);
  letter-spacing: 0.16em;
  color: var(--dim);
}
.card-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 10.5px/1 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
}
.card-status svg { width: 12px; height: 12px; }

.card-title { margin: 0; font: 600 17px/1.35 var(--mono); letter-spacing: -0.005em; }
.card-title a { color: #f0f6f7; }
.card-title a:hover { color: var(--accent); text-decoration: none; }
.card.is-pending .card-title { color: #b9c5c9; }

.card-context {
  margin: -6px 0 0;
  font: 400 12px/1.4 var(--mono);
  color: var(--dim);
}
.card-summary {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

/* Terminal-token tags */
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 2px 0 0; padding: 0; list-style: none; }
.tag {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(148, 176, 184, 0.05);
  color: var(--muted);
  font: 500 11.5px/1.35 var(--mono);
  white-space: nowrap;
}
.tag::before { content: "#"; color: var(--accent); opacity: 0.6; margin-right: 2px; }

/* File links */
.card-files {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.file-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font: 500 12px/1 var(--mono);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease),
              background-color 0.16s var(--ease);
}
.file-link:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}
.file-link svg { width: 13px; height: 13px; flex: none; opacity: 0.8; }

.card.is-pending { opacity: 0.78; }

/* ---------- 7. Skills ---------------------------------------------- */
/* One row per group: label on the left, tags on the right. Each row is only
   as tall as its own tags, so a short group never sits in a padded-out card. */
.skills-grid {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}
.skill-group {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 6px 24px;
  align-items: start;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}
.skill-group h3 {
  margin: 7px 0 0;
  font: 600 11.5px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.skill-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.skill-list li {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: #c6d1d5;
  font: 500 12.5px/1.3 var(--mono);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}
.skill-list li:hover { border-color: var(--accent-line); color: var(--accent); }

/* ---------- 7b. Certifications -------------------------------------- */
.cert-grid {
  display: grid;
  /* min() keeps the track from forcing a 320px column on a narrower screen */
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.cert {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.cert:hover { border-left-color: var(--accent); background: var(--surface-2); }

.cert-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 13.5px/1.4 var(--mono);
  color: #eaf1f2;
}
a.cert-name:hover { color: var(--accent); text-decoration: none; }
.cert-name svg { width: 12px; height: 12px; flex: none; opacity: 0.7; }

.cert-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font: 400 12px/1.4 var(--mono);
  color: var(--dim);
}
.cert-issuer { color: var(--muted); }
.cert-date::before { content: "· "; }

/* the not-yet-earned one is marked, not hidden */
.cert.is-pending {
  border-left-color: var(--accent);
  background: linear-gradient(90deg, var(--accent-soft), var(--surface) 60%);
}
.cert.is-pending .cert-name { color: var(--accent); }

/* ---------- 7c. TryHackMe badges ------------------------------------ */
#tryhackme .subsection-title { margin-top: 44px; }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px 12px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  color: var(--text);
  font: 600 13.5px/1.3 var(--mono);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
              transform 0.18s var(--ease);
}
.badge:hover {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 1px var(--accent-soft), 0 10px 26px -18px var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--accent);
}
.badge-img { width: 44px; height: 44px; flex: none; }
.badge-name { white-space: nowrap; }
.badge svg:not(.badge-img) { width: 12px; height: 12px; opacity: 0.55; flex: none; }
.badge:hover svg:not(.badge-img) { opacity: 1; }

@media (max-width: 420px) {
  .badge-row { flex-direction: column; }
  .badge { width: 100%; }
}

/* ---------- 8. Footer ---------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 42px;
}
.footer-inner p {
  margin: 0;
  font: 400 12.5px/1.6 var(--mono);
  color: var(--dim);
}
.footer-note { margin-top: 4px; }

/* ---------- 8b. Small cyber details --------------------------------- */

/* Text selection picks up the accent instead of the browser default blue. */
::selection { background: var(--accent); color: #04110d; }
::-moz-selection { background: var(--accent); color: #04110d; }

/* Thin dark scrollbar with an accent thumb, so the chrome matches the page. */
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border: 3px solid var(--bg);
  border-radius: 999px;
}
*::-webkit-scrollbar-thumb:hover { background: var(--accent-line); }

/* HUD read-out: a hairline progress bar pinned to the very top of the
   viewport. Width is set by app.js on scroll. */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 40;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--accent));
  box-shadow: 0 0 10px -2px var(--accent);
}

/* Corner brackets that snap in on card hover — a targeting-reticle nod that
   costs nothing and disappears when you are not pointing at the card. */
.card.is-openable .card-top::before,
.card.is-openable .card-files::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
  pointer-events: none;
}
.card.is-openable .card-top::before {
  top: 7px; left: 7px;
  border-top: 1px solid var(--accent);
  border-left: 1px solid var(--accent);
}
.card.is-openable .card-files::after {
  bottom: 7px; right: 7px;
  border-bottom: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
}
.card.is-openable:hover .card-top::before,
.card.is-openable:hover .card-files::after,
.card.is-openable:focus-within .card-top::before,
.card.is-openable:focus-within .card-files::after { opacity: 0.75; }

/* The not-yet-earned certification gets a slow breathing dot, so "in
   progress" reads as a live state rather than a label. */
.cert.is-pending .cert-name::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 2px;
  border-radius: 50%;
  background: var(--accent);
  animation: cert-pulse 2.4s ease-in-out infinite;
}
@keyframes cert-pulse {
  0%, 100% { opacity: 0.25; box-shadow: 0 0 0 0 var(--accent-soft); }
  50%      { opacity: 1;    box-shadow: 0 0 0 4px transparent; }
}

/* A closing prompt so the page ends the way it opened. */
.footer-prompt {
  margin: 0 0 8px !important;
  font: 400 12.5px/1.6 var(--mono);
  color: var(--dim);
}
.footer-prompt::before { content: "> "; color: var(--accent); }

/* ---------- 8c. Language-switch glitch ------------------------------ */

/* Fires for ~320ms when EN/FR is pressed. app.js adds .is-glitching to
   <body> and removes it when the animation is done. */
.glitch-veil {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  opacity: 0;
  background:
    repeating-linear-gradient(to bottom,
      rgba(34, 229, 193, 0.05) 0 2px, transparent 2px 5px);
}
body.is-glitching .glitch-veil { animation: veil-flicker 0.32s steps(3) 1; }
@keyframes veil-flicker {
  0%   { opacity: 0.9; transform: translateY(-2px); }
  40%  { opacity: 0.35; transform: translateY(3px); }
  70%  { opacity: 0.6; transform: translateY(-1px); }
  100% { opacity: 0; transform: none; }
}

/* Headings tear apart briefly. The split uses the accent and a cool white —
   no new palette colours, and it is gone before you can read it as colour. */
body.is-glitching .name,
body.is-glitching .tagline,
body.is-glitching .section-title,
body.is-glitching .card-title,
body.is-glitching .subsection-title {
  animation: glitch-tear 0.32s steps(2) 1;
}
@keyframes glitch-tear {
  0%   { transform: translate3d(0,0,0);     text-shadow: none; }
  20%  { transform: translate3d(-3px,0,0);  text-shadow: 2px 0 var(--accent), -2px 0 rgba(190, 235, 255, 0.75); }
  45%  { transform: translate3d(2px,0,0);   text-shadow: -3px 0 var(--accent), 3px 0 rgba(190, 235, 255, 0.55); }
  70%  { transform: translate3d(-1px,0,0);  text-shadow: 1px 0 var(--accent); }
  100% { transform: translate3d(0,0,0);     text-shadow: none; }
}

/* The toggle itself takes a quick hit so the click feels connected. */
body.is-glitching .lang-toggle { animation: glitch-kick 0.32s steps(2) 1; }
@keyframes glitch-kick {
  0%, 100% { transform: none; }
  30%      { transform: translate3d(-2px, 1px, 0); }
  60%      { transform: translate3d(2px, -1px, 0); }
}

/* ---------- 9. Responsive ------------------------------------------ */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .skill-group { grid-template-columns: 1fr; }
  .skill-group h3 { margin-top: 0; }
  .header-inner { flex-direction: column; flex-wrap: wrap; align-items: flex-start; gap: 22px; }
  .header-side { align-items: flex-start; width: 100%; }
  .contacts { justify-content: flex-start; }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }
  .card-grid, .card-grid-compact, .cert-grid { grid-template-columns: 1fr; }
  .section-nav-inner { gap: 18px; overflow-x: auto; scrollbar-width: none; }
  .section-nav-inner::-webkit-scrollbar { display: none; }
  .contact { font-size: 12.5px; padding: 6px 11px; }
  .card { padding: 17px 16px 15px; }
  .highlights { padding: 18px; }
}

/* ---------- 10. Accessibility preferences -------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .cursor { opacity: 1; }
  /* the drifting sweep is decoration only — remove it rather than freeze it
     mid-screen, where it would read as an unexplained band */
  .bg-sweep { display: none; }
  /* the glitch is suppressed in app.js too, but belt and braces */
  .glitch-veil { display: none; }
  .cert.is-pending .cert-name::after { animation: none; opacity: 1; }
}

@media print {
  html::before, html::after, body::before, body::after,
  .bg-sweep, .glitch-veil, .scroll-progress,
  .section-nav, .lang-toggle { display: none; }
  body { background: #fff; color: #111; }
  .card, .skill-group, .highlights { border-color: #ccc; background: #fff; }
  .name, .card-title a, .section-title { color: #111; }
}