/* pidev077 — Senior Web Architecture portfolio */

@font-face {
  font-family: "Plex Sans";
  src: url("../fonts/plex-sans-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plex-mono-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #060b14;
  --bg-glow: #0a1526;
  --panel: #0e1826;
  --panel-2: #101d2e;
  --border: #1b2a3d;
  --border-soft: #142132;

  --text: #eef3f9;
  --text-dim: #9db0c4;
  --text-faint: #64798f;

  --cyan: #22d3ee;
  --blue: #3b82f6;
  --grad: linear-gradient(90deg, var(--cyan), var(--blue));

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --font-display: "Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-body: "Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "Plex Mono", "Consolas", ui-monospace, monospace;

  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; position: relative; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--border-soft);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(6, 11, 20, 0.82);
  backdrop-filter: blur(10px);
  z-index: -1;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-dim);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}
.nav-links .btn { padding: 10px 18px; font-size: 13px; color:#fff;}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-sm);
  padding: 13px 24px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: filter 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.btn-primary {
  background: var(--grad);
  color: #04121c;
  box-shadow: 0 8px 24px -8px rgba(34, 211, 238, 0.45);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text-dim); }

/* ---------- Hero ---------- */
.hero { padding: 88px 0 96px; position: relative; }
.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  width: 900px;
  height: 500px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.14), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 56px;
  align-items: center;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); flex: none; }

.hero h1 {
  font-size: clamp(32px, 4.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}
.hero-lead {
  margin-top: 22px;
  font-size: 16px;
  color: var(--text-dim);
  max-width: 52ch;
  line-height: 1.65;
}
.hero-note {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.hero-note svg { color: var(--cyan); flex: none; }
.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.stat-stack { display: flex; flex-direction: column; gap: 16px; }
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
}
.stat-card .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.stat-card .label {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Section scaffolding ---------- */
.section { padding: 96px 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.section-head-left h2 { font-size: 30px; }
.section-head-left .bar {
  width: 46px;
  height: 4px;
  border-radius: 2px;
  background: var(--grad);
  margin-top: 12px;
}
.section-link {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-link:hover { color: var(--text); }

/* ---------- Services ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 26px 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.service-card:hover { border-color: #24405a; transform: translateY(-2px); }
.service-card .icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 16px; margin-bottom: 10px; }
.service-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; }

/* ---------- Stack band ---------- */
.stack-band {
  background: var(--panel);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 64px 0;
}
.stack-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.stack-grid h2 { font-size: 24px; line-height: 1.3; }
.stack-grid .desc {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--text-dim);
  max-width: 42ch;
  line-height: 1.65;
}
.tech-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
}
.tech-list span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}

/* ---------- Projects ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
  text-decoration: none;
  display: block;
}
.project-thumb {
  height: 190px;
  position: relative;
  overflow: hidden;
}
.project-thumb .chip {
  position: absolute;
  left: 14px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #04121c;
  background: rgba(238, 243, 249, 0.92);
  padding: 5px 10px;
  border-radius: 4px;
}
.project-thumb.retail {
  background: linear-gradient(135deg, #0ea5b7 0%, #1d4ed8 100%);
}
.project-thumb.retail::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1px);
  background-size: 18px 18px;
}
.project-thumb.data {
  background: linear-gradient(160deg, var(--panel-2), #060b14);
  padding: 16px;
}
.data-mock .top { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); margin-bottom: 10px; }
.data-mock .kpis { display: flex; gap: 18px; margin-bottom: 14px; }
.data-mock .kpis b { display: block; font-family: var(--font-display); font-size: 20px; color: var(--cyan); }
.data-mock .kpis span { font-family: var(--font-mono); font-size: 9.5px; color: var(--text-faint); text-transform: uppercase; }
.data-mock .bars { display: flex; align-items: flex-end; gap: 5px; height: 54px; }
.data-mock .bars i { flex: 1; background: linear-gradient(180deg, var(--cyan), var(--blue)); border-radius: 2px 2px 0 0; opacity: 0.85; }
.project-thumb.arch {
  background: linear-gradient(180deg, #0b1220 0%, #050810 100%);
  display: flex;
  align-items: center;
}
.arch-stripes {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, rgba(59,130,246,0.16) 0 3px, transparent 3px 22px);
  mask-image: linear-gradient(180deg, transparent, black 60%);
}
.arch-caption {
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
  padding: 0 16px;
  text-wrap: balance;
}

.project-info { padding: 20px 20px 22px; }
.project-info h3 { font-size: 17px; margin-bottom: 8px; }
.project-info p { font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }

/* ---------- Code panel ---------- */
.code-panel {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #070d17;
  overflow: hidden;
}
.code-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--panel);
}
.code-dots { display: flex; gap: 7px; }
.code-dots span { width: 11px; height: 11px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }
.code-titlebar .filename { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }
.code-panel pre {
  margin: 0;
  padding: 24px 26px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
}
.code-panel code { color: var(--text-dim); }
.tok-kw { color: #a78bfa; }
.tok-type { color: var(--cyan); }
.tok-str { color: #4ade80; }
.tok-fn { color: #60a5fa; }
.tok-com { color: var(--text-faint); font-style: italic; }
.tok-prop { color: #7dd3fc; }

/* ---------- CTA ---------- */
.cta { text-align: center; padding: 100px 0; }
.cta h2 { font-size: clamp(26px, 3.6vw, 36px); max-width: 22ch; margin: 0 auto; }
.cta p { margin: 20px auto 0; max-width: 56ch; color: var(--text-dim); font-size: 15px; line-height: 1.65; }
.cta .btn { margin-top: 32px; padding: 15px 30px; font-size: 15px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-soft); padding-top: 48px; }
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 32px;
}
.footer-brand .brand-mark { display: block; margin-bottom: 10px; }
.footer-brand p { font-size: 13.5px; color: var(--text-dim); max-width: 40ch; line-height: 1.6; }
.footer-social { display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap; }
.footer-social a {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--text-dim); text-decoration: none;
}
.footer-social a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 20px 0 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-faint);
}
.footer-bottom .tag { display: flex; align-items: center; gap: 8px; text-transform: uppercase; }
.footer-bottom svg { color: var(--cyan); flex: none; }

/* ============================================================
   Sub-page components (Kinh nghiệm / Dịch vụ / Dự án)
   ============================================================ */

/* Plain eyebrow (no pill border), used on sub-page heroes */
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}

/* Hero variant with a big standalone number instead of stat cards */
.hero-bignum { text-align: right; }
.hero-bignum .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 56px;
  line-height: 1;
  color: var(--text-dim);
  opacity: 0.55;
}
.hero-bignum .label {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Timeline (Kinh nghiệm) ---------- */
.exp-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 4px; top: 6px; bottom: 6px;
  width: 1px;
  background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -28px; top: 4px;
  width: 9px; height: 9px;
  border-radius: 2px;
  background: var(--panel-2);
  border: 1px solid var(--cyan);
}
.timeline-item.current .timeline-dot { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.timeline-year {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 8px;
}
.timeline-item h3 { font-size: 18px; margin-bottom: 10px; }
.timeline-item p { font-size: 14px; color: var(--text-dim); line-height: 1.6; max-width: 56ch; }
.tag-chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
}

.code-panel-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  flex-wrap: wrap;
}
.code-panel-note .status { display: flex; gap: 16px; flex-wrap: wrap; }
.code-panel-note .status span { display: inline-flex; align-items: center; gap: 5px; }
.code-panel-note svg { color: var(--cyan); flex: none; }

.mini-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 28px;
}
.mini-heading .bar-mark { width: 3px; height: 20px; background: var(--cyan); border-radius: 2px; flex: none; }

.split-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 44px;
}
.split-head p { font-size: 14.5px; color: var(--text-dim); line-height: 1.65; }

/* ---------- Skill grid (Kinh nghiệm) ---------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.skill-card.span2 { grid-column: span 2; }
.skill-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 24px;
  position: relative;
}
.skill-card.span-all { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; }
.skill-card .icon-badge {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}
.skill-card .expert-badge {
  position: absolute;
  top: 22px; right: 22px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.skill-card h3 { font-size: 17px; margin-bottom: 8px; }
.skill-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; }
.skill-card .progress-track {
  margin-top: 16px;
  height: 4px;
  background: var(--border-soft);
  border-radius: 2px;
  overflow: hidden;
}
.skill-card .progress-fill { height: 100%; background: var(--grad); border-radius: 2px; }
.skill-card .progress-label {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- Trust / quad stats ---------- */
.trust-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.trust-section h2 { font-size: 26px; max-width: 18ch; margin-bottom: 14px; }
.trust-section > div > p { font-size: 14.5px; color: var(--text-dim); max-width: 58ch; line-height: 1.6; margin-bottom: 32px; }
.trust-icon { color: var(--cyan); opacity: 0.9; }
.quad-stats { display: grid; grid-template-columns: repeat(4, auto); gap: 40px; }
.quad-stats .num { font-family: var(--font-display); font-weight: 700; font-size: 24px; color: var(--text); }
.quad-stats .label { margin-top: 4px; font-size: 12.5px; color: var(--text-faint); max-width: 12ch; }

/* ---------- Feature cards (Dịch vụ) ---------- */
.feature-row { display: grid; gap: 16px; margin-bottom: 16px; }
.feature-row.wide-left { grid-template-columns: 1.3fr 1fr; }
.feature-row.wide-right { grid-template-columns: 1fr 1.3fr; }
.feature-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 28px;
  overflow: hidden;
}
.feature-card .ghost-text {
  position: absolute;
  left: 0; bottom: -18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 96px;
  color: var(--text);
  opacity: 0.035;
  white-space: nowrap;
  pointer-events: none;
  line-height: 1;
}
.feature-card .icon-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  margin-bottom: 14px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 12px; position: relative; }
.feature-card > p { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; margin-bottom: 18px; position: relative; max-width: 60ch; }
.feature-list {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
  list-style: none;
  margin: 0; padding: 0;
}
.feature-list li {
  font-size: 13px;
  color: var(--text-dim);
  padding-left: 14px;
  position: relative;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 5px; height: 5px;
  background: var(--cyan);
}
.mini-code {
  position: relative;
  margin-top: 18px;
  background: #070d17;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-dim);
}
.tag-row { position: relative; display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.tag-row .tag-chip { color: var(--cyan); border-color: #1e3a52; }
.check-list { position: relative; display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.check-row { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-dim); }
.check-row svg { color: var(--cyan); flex: none; }
.circle-badge {
  position: absolute;
  right: 28px; bottom: 24px;
  width: 108px; height: 108px;
  border-radius: 50%;
  border: 1px dashed var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- Project mockups (Dự án) ---------- */
.project-feature {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  padding: 20px;
  margin-bottom: 22px;
}
.browser-mock {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: #070d17;
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-soft);
}
.browser-bar .dots { display: flex; gap: 6px; }
.browser-bar .dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.browser-bar .tabs { display: flex; gap: 6px; }
.browser-bar .tabs span {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--panel-2);
  color: var(--text-faint);
}
.retail-mock-body { padding: 14px; }
.retail-hero-block {
  height: 160px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0f2436, #0a1a2c);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  overflow: hidden;
}
.retail-hero-block::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 75% 30%, rgba(34,211,238,0.16), transparent 55%);
}
.retail-hero-block .headline {
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text);
  max-width: 16ch;
}
.retail-hero-block .cta-pill {
  position: relative;
  margin-top: 10px;
  display: inline-flex;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(238,243,249,0.4);
  padding: 5px 10px;
  border-radius: 3px;
  color: var(--text);
}
.retail-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.retail-products i {
  display: block;
  height: 52px;
  border-radius: 4px;
  background: linear-gradient(160deg, var(--panel-2), #060b14);
  border: 1px solid var(--border-soft);
}

.monitor-mock {
  border-radius: var(--radius-md) var(--radius-md) 2px 2px;
  border: 1px solid var(--border-soft);
  background: #070d17;
  padding: 6px;
  position: relative;
}
.monitor-mock::after {
  content: "";
  display: block;
  width: 60px;
  height: 8px;
  margin: 0 auto;
  background: var(--border-soft);
  border-radius: 0 0 4px 4px;
}
.monitor-screen { border-radius: 4px; overflow: hidden; min-height: 150px; position: relative; }

.project-side h2 { font-size: 24px; margin-bottom: 12px; }
.project-side > p { font-size: 14px; color: var(--text-dim); line-height: 1.65; margin-bottom: 18px; }
.bullet-list { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.bullet-list li { font-size: 13.5px; color: var(--text-dim); padding-left: 16px; position: relative; }
.bullet-list li::before { content: ""; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; background: var(--cyan); }

.project-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.project-pair-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  padding: 18px;
}
.project-pair-card .project-info { padding: 18px 2px 0; }
.kv-row {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  padding: 10px 0;
  border-top: 1px solid var(--border-soft);
  color: var(--text-dim);
}
.kv-row span:first-child { color: var(--text-faint); }
.kv-row span:last-child { color: var(--text); font-weight: 500; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .exp-grid { grid-template-columns: 1fr; }
  .skill-grid { grid-template-columns: 1fr 1fr; }
  .skill-card.span2 { grid-column: span 2; }
  .split-head { grid-template-columns: 1fr; align-items: start; }
  .trust-section { grid-template-columns: 1fr; text-align: left; }
  .trust-icon { display: none; }
  .feature-row.wide-left, .feature-row.wide-right { grid-template-columns: 1fr; }
  .project-feature { grid-template-columns: 1fr; }
  .project-pair { grid-template-columns: 1fr; }
  .hero-bignum { text-align: left; margin-top: 24px; }
}
@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 72px 0 0 0; background: var(--bg); flex-direction: column; align-items: flex-start; padding: 28px 24px; gap: 22px; transform: translateX(100%); transition: transform 0.2s ease; }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
}
@media (max-width: 640px) {
  .service-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .tech-list { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 64px; overflow: hidden;}
  .section { padding: 64px 0; }
  .footer-top { flex-direction: column; }
  .skill-grid { grid-template-columns: 1fr; }
  .quad-stats { grid-template-columns: 1fr 1fr; gap: 24px; }
  .feature-list { grid-template-columns: 1fr; }
  .circle-badge { display: none; }
  .contact-grid { grid-template-columns: 1fr !important; }
  .field-grid { grid-template-columns: 1fr !important; }
}

/* ============================================================
   Contact page
   ============================================================ */

.badge-pill {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 22px;
}

.contact-hero { position: relative; }
.contact-hero::after {
  content: "";
  position: absolute;
  top: -60px; right: -120px;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.10), transparent 68%);
  pointer-events: none;
}

.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { margin-bottom: 22px; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: none;
  border-radius: 10px;
  padding: 15px 16px;
  background: var(--text);
  color: #0b1420;
  font-family: var(--font-body);
  font-size: 14px;
  appearance: none;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #7c8894; }
.form-field select {
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='#0b1420' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  color: #0b1420;
  cursor: pointer;
}
.form-field select:invalid { color: #7c8894; }
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { outline: 2px solid var(--cyan); outline-offset: 2px; }

.btn-pill { border-radius: 999px; text-transform: uppercase; letter-spacing: 0.05em; font-size: 13px; padding: 14px 30px; }
.btn-pill:disabled { opacity: 0.6; cursor: not-allowed; }

.form-note { margin-top: 16px; font-size: 13.5px; }
.form-note.success { color: var(--trace-300, #4ade80); }
.form-note.error { color: #f87171; }

.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }

.info-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  padding: 30px;
}
.info-card h2 { font-size: 20px; margin-bottom: 24px; }
.info-row { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.info-row:last-child { margin-bottom: 0; }
.info-row .icon-badge { margin-bottom: 0; flex: none; }
.info-row .info-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 3px;
}
.info-row .info-value { font-size: 14px; color: var(--text); }
.info-row .info-value a { text-decoration: none; }
.info-row .info-value a:hover { color: var(--cyan); }
.social-links { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.social-links a { font-size: 14px; color: var(--text-dim); text-decoration: none; }
.social-links a:hover { color: var(--cyan); }
.social-links .sep { color: var(--border); }

.process-steps { margin-top: 28px; display: flex; flex-direction: column; }
.process-step { display: flex; gap: 16px; padding-bottom: 26px; position: relative; }
.process-step::before {
  content: "";
  position: absolute;
  left: 15px; top: 34px; bottom: 0;
  width: 1px;
  background: var(--border);
}
.process-step:last-child::before { display: none; }
.process-step:last-child { padding-bottom: 0; }
.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--cyan);
  color: #04121c;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.process-step h3 { font-size: 15.5px; margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--text-dim); line-height: 1.55; }

.location-banner {
  margin-top: 88px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
  background-image: url('../img/map.webp');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.location-banner .loc-eyebrow {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}
.location-banner h3 { font-size: 26px; position: relative; }