/* ============================================================
   Francesco Di Rienzo — Portfolio
   "Network HUD" theme
   ============================================================ */

:root {
  --bg: #07090d;
  --bg-1: #0a0e14;
  --bg-2: #0d121a;
  --panel: rgba(16, 22, 31, 0.66);
  --panel-solid: #0e141d;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);

  --text: #e7eef5;
  --text-dim: #93a1b1;
  --text-faint: #5d6979;

  --accent: #10b981;
  --accent-1: #34d399;
  --accent-2: #2dd4bf;
  --accent-glow: rgba(16, 185, 129, 0.30);
  --accent-soft: rgba(16, 185, 129, 0.10);
  --accent-line: rgba(16, 185, 129, 0.32);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1180px;
  --nav-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* prevent smooth-scroll for users who want reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.05ms !important; }
}

::selection { background: var(--accent); color: #04110b; }

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

/* ---------- Background layers ---------- */
#net-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  opacity: 0.5;
}
.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(16,185,129,0.10), transparent 60%),
    radial-gradient(900px 500px at 0% 100%, rgba(45,212,191,0.06), transparent 55%);
}

/* everything above the bg */
.page { position: relative; z-index: 2; }

/* mobile menu hidden by default (shown only via media query when open) */
.mobile-menu { display: none; }

/* ---------- Shared layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

section { padding: 110px 0; position: relative; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-1);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent-line);
}
.section-head { margin-bottom: 52px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-top: 16px;
}
.section-head .lead {
  color: var(--text-dim);
  max-width: 620px;
  margin-top: 14px;
  font-size: 16px;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 50;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 9, 13, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 14px var(--accent-glow);
  animation: pulse 2.4s infinite;
}
.brand .cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-soft), 0 0 14px var(--accent-glow); }
  50% { box-shadow: 0 0 0 6px transparent, 0 0 20px var(--accent-glow); }
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding: 8px 13px;
  border-radius: 7px;
  position: relative;
  transition: color 0.25s, background 0.25s;
}
.nav-links a .idx { color: var(--text-faint); margin-right: 6px; font-size: 11px; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--accent-1); }
.nav-links a.active .idx { color: var(--accent); }

.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  display: flex;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  overflow: hidden;
}
.lang-toggle button {
  background: transparent;
  color: var(--text-faint);
  border: none;
  padding: 7px 11px;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: 0.05em;
  transition: color 0.2s, background 0.2s;
}
.lang-toggle button.active { background: var(--accent); color: #04110b; font-weight: 500; }
.lang-toggle button:not(.active):hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  padding: 11px 18px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  color: var(--text);
  cursor: pointer;
  background: rgba(255,255,255,0.02);
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s, box-shadow 0.25s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--accent-line); box-shadow: 0 8px 30px -12px var(--accent-glow); }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translate(3px, -3px); }
.btn-primary {
  background: var(--accent);
  color: #04110b;
  border-color: var(--accent);
  font-weight: 500;
}
.btn-primary:hover { background: var(--accent-1); box-shadow: 0 10px 36px -10px var(--accent-glow); }
.nav .btn-cv { padding: 8px 14px; }

.nav-burger { display: none; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}
.hero-status {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--accent-1);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  background: var(--accent-soft);
  margin-bottom: 26px;
}
.hero-status .live {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  animation: pulse 2s infinite;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 7.2vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.hero h1 .ln { display: block; }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 19px);
  color: var(--text-dim);
  margin-bottom: 26px;
  min-height: 1.6em;
}
.hero-role .prompt { color: var(--accent); }
.hero-role .typed { color: var(--text); }
.hero-role .tw-cursor {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  vertical-align: -0.16em;
  background: var(--accent);
  margin-left: 3px;
  animation: blink 1.1s steps(1) infinite;
}
.hero-bio {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero photo HUD frame */
.id-frame {
  position: relative;
  justify-self: center;
  width: min(360px, 80vw);
  aspect-ratio: 1 / 1.12;
  padding: 14px;
}
.id-frame .photo {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
}
.id-frame .photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.04) saturate(1.05);
  transition: filter 0.5s var(--ease), transform 0.6s var(--ease);
}
.id-frame:hover .photo img { filter: grayscale(0) contrast(1.06) saturate(1.1); transform: scale(1.03); }
.id-frame .photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7,9,13,0.55) 100%);
  pointer-events: none;
}
.id-frame .scan {
  position: absolute;
  left: 14px; right: 14px;
  height: 2px;
  top: 14px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
  box-shadow: 0 0 12px var(--accent-glow);
  animation: scanmove 4.2s var(--ease) infinite;
  z-index: 3;
  pointer-events: none;
}
@keyframes scanmove {
  0%, 100% { transform: translateY(0); opacity: 0; }
  10% { opacity: 0.75; }
  50% { transform: translateY(calc(min(360px,80vw)*1.12 - 56px)); opacity: 0.75; }
  90% { opacity: 0; }
}
.id-corner {
  position: absolute;
  width: 24px; height: 24px;
  border: 2px solid var(--accent);
  z-index: 4;
}
.id-corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.id-corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.id-corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.id-corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }
.id-tag {
  position: absolute;
  bottom: 26px; left: 26px; right: 26px;
  z-index: 5;
  font-family: var(--font-mono);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.id-tag .id-name { color: var(--text); font-size: 12.5px; letter-spacing: 0.1em; }
.id-tag .id-meta { text-align: right; line-height: 1.5; }
.id-tag .id-meta b { color: var(--accent-1); font-weight: 500; }

.scroll-cue {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.25em;
  color: var(--text-faint);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-cue .bar {
  width: 1px; height: 40px;
  background: linear-gradient(var(--accent), transparent);
  animation: cuedrop 2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cuedrop { 0% { transform: scaleY(0); } 40% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- Stats band ---------- */
.stats {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16,185,129,0.02), transparent);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat { padding: 18px 26px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: none; }
.stat .num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 4.4vw, 52px);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
}
.stat .num .suf { color: var(--accent); }
.stat .lbl {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 12px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.about-copy p { color: var(--text-dim); font-size: 16.5px; margin-bottom: 18px; }
.about-copy p strong { color: var(--text); font-weight: 600; }
.about-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.about-tags .focus {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 13px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  color: var(--text-dim);
}
.about-tags .focus.hot { color: var(--accent-1); border-color: var(--accent-line); background: var(--accent-soft); }

/* terminal card */
.terminal {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--panel-solid);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7);
}
.terminal .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}
.terminal .bar .tdot { width: 11px; height: 11px; border-radius: 50%; background: #2b323c; }
.terminal .bar .tdot.g { background: var(--accent); }
.terminal .bar .title { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); margin-left: 8px; }
.terminal .body { padding: 20px; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.95; }
.terminal .ln { white-space: pre-wrap; }
.terminal .cmd .p { color: var(--accent); }
.terminal .cmd .c { color: var(--text); }
.terminal .out { color: var(--text-dim); }
.terminal .out .k { color: var(--accent-1); }
.terminal .out .v { color: var(--text); }

/* ---------- Experience timeline ---------- */
.timeline { position: relative; padding-left: 0; }
.tl-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  position: relative;
  padding-bottom: 14px;
}
.tl-rail { position: relative; }
.tl-rail::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: -28px;
  width: 1px;
  background: linear-gradient(var(--accent-line), var(--line));
}
.tl-item:last-child .tl-rail::before { display: none; }
.tl-node {
  position: absolute;
  left: 0; top: 4px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.tl-item.current .tl-node { background: var(--accent); animation: pulse 2.2s infinite; }
.tl-period {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  padding-left: 28px;
  padding-top: 1px;
}
.tl-period .now {
  display: inline-block;
  margin-top: 8px;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-1);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 3px 9px;
  background: var(--accent-soft);
}
.tl-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  backdrop-filter: blur(6px);
  padding: 24px 26px 26px;
  margin-bottom: 28px;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.tl-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-line);
  box-shadow: 0 24px 50px -28px rgba(0,0,0,0.8), 0 0 0 1px var(--accent-soft) inset;
}
.tl-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.tl-card .org {
  font-size: 14px;
  color: var(--accent-1);
  font-weight: 500;
  margin-bottom: 4px;
}
.tl-card .company {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.tl-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.tl-card li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 14.5px;
}
.tl-card li::before {
  content: "▸";
  position: absolute; left: 0; top: 0;
  color: var(--accent);
  font-size: 12px;
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,0.015);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.chip:hover { color: var(--accent-1); border-color: var(--accent-line); background: var(--accent-soft); }

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.skill-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  backdrop-filter: blur(6px);
  padding: 22px 24px;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.skill-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-line);
  box-shadow: 0 24px 50px -30px rgba(0,0,0,0.8);
}
.skill-card .sc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.skill-card .sc-head h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.skill-card .sc-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
}

/* ---------- Certifications ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 18px; }
.cert {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  backdrop-filter: blur(6px);
  padding: 26px 24px 24px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.cert::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 160px at 100% 0%, var(--accent-soft), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}
.cert:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: 0 28px 56px -30px rgba(0,0,0,0.85); }
.cert:hover::before { opacity: 1; }
.cert .badge {
  width: 46px; height: 46px;
  border-radius: 11px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent-1);
  font-size: 15px;
  margin-bottom: 20px;
}
.cert h3 { font-family: var(--font-display); font-weight: 600; font-size: 19px; margin-bottom: 4px; }
.cert .full { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); letter-spacing: 0.03em; margin-bottom: 18px; }
.cert .status { display: flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 12px; }
.cert .status .sd { width: 7px; height: 7px; border-radius: 50%; }
.cert .status.prep .sd { background: var(--accent); box-shadow: 0 0 10px var(--accent-glow); animation: pulse 2s infinite; }
.cert .status.prep { color: var(--accent-1); }
.cert .status.final .sd { background: #f5b942; box-shadow: 0 0 10px rgba(245,185,66,0.4); }
.cert .status.final { color: #f5c97a; }
.cert .status.done .sd { background: var(--accent-1); box-shadow: 0 0 12px var(--accent-glow); }
.cert .status.done { color: var(--accent-1); }
.cert .bar-track { margin-top: 18px; height: 4px; border-radius: 100px; background: rgba(255,255,255,0.06); overflow: hidden; }
.cert .bar-fill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--accent), var(--accent-1)); width: 0; transition: width 1.3s var(--ease); }
.cert.final .bar-fill { background: linear-gradient(90deg, #e0992f, #f5c97a); }
.cert.done { border-color: var(--accent-line); }
.cert.done::before { opacity: 0.55; }
.cert.done .badge { background: var(--accent); border-color: var(--accent); color: #05100b; }

/* ---------- Languages + soft skills ---------- */
.lang-soft { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.lang-list { display: flex; flex-direction: column; gap: 22px; }
.lang-row { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 20px; }
.lang-row .name { font-family: var(--font-mono); font-size: 14px; color: var(--text); letter-spacing: 0.03em; }
.lang-row .name .lvl { display: block; font-size: 11px; color: var(--text-faint); margin-top: 2px; letter-spacing: 0.05em; }
.dots { display: flex; gap: 8px; }
.dots .d {
  width: 13px; height: 13px; border-radius: 50%;
  border: 1.5px solid var(--accent-line);
  background: transparent;
  transition: background 0.4s var(--ease), box-shadow 0.4s;
}
.dots .d.on { background: var(--accent); box-shadow: 0 0 10px var(--accent-glow); border-color: var(--accent); }

.soft-grid { display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }
.soft {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 9px 15px;
  border: 1px solid var(--line-2);
  border-radius: 9px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.soft::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.soft:hover { color: var(--text); border-color: var(--accent-line); transform: translateY(-2px); }

/* ---------- Contact ---------- */
.contact { padding-bottom: 130px; }
.contact-card {
  position: relative;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  background:
    radial-gradient(800px 380px at 50% -30%, var(--accent-soft), transparent 60%),
    var(--panel-solid);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
}
.contact-card .corner-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000, transparent 70%);
  mask-image: radial-gradient(circle at 50% 0%, #000, transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}
.contact-card > * { position: relative; z-index: 2; }
.contact-card h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 54px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 18px;
}
.contact-card h2 .accent { color: var(--accent-1); }
.contact-card .sub { color: var(--text-dim); max-width: 480px; margin: 0 auto 34px; font-size: 16.5px; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.contact-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 36px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.contact-meta a { display: inline-flex; align-items: center; gap: 8px; transition: color 0.2s; }
.contact-meta a:hover { color: var(--accent-1); }
.contact-meta .k { color: var(--text-faint); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 30px 0;
}
.footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  flex-wrap: wrap;
}
.footer a:hover { color: var(--accent-1); }
.footer .ft-links { display: flex; gap: 18px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .id-frame { order: -1; width: min(300px, 70vw); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .skills-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .lang-soft { grid-template-columns: 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(1), .stat:nth-child(2) { border-top: none; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-burger {
    display: inline-flex;
    background: transparent; border: 1px solid var(--line-2);
    border-radius: 8px; padding: 9px; cursor: pointer;
  }
  .nav-burger span { display: block; width: 18px; height: 2px; background: var(--text); position: relative; }
  .nav-burger span::before, .nav-burger span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--text); }
  .nav-burger span::before { top: -6px; } .nav-burger span::after { top: 6px; }
  .nav .btn-cv { display: none; }
  .mobile-menu {
    position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 49;
    background: rgba(7,9,13,0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    padding: 14px 28px 22px;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    font-family: var(--font-mono); font-size: 15px; color: var(--text-dim);
    padding: 14px 0; border-bottom: 1px solid var(--line);
  }
  .mobile-menu a .idx { color: var(--accent); margin-right: 10px; }
  section { padding: 80px 0; }
  .tl-item { grid-template-columns: 1fr; gap: 10px; }
  .tl-rail { display: none; }
  .tl-period { padding-left: 0; }
  .contact-card { padding: 44px 24px; }
}
@media (max-width: 460px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: none; }
  .wrap { padding: 0 20px; }
}