/* ============ Tokens ============ */
:root,
:root[data-theme="dark"] {
  --bg: #0b1020;
  --bg-2: #0e1428;
  --surface: #121a2e;
  --surface-2: #182238;
  --border: #1f2a44;
  --border-strong: #2c3a5c;
  --text: #e6eaf2;
  --muted: #9aa4b8;
  --faint: #6b7590;
  --emerald: #34d399;
  --emerald-soft: rgba(52, 211, 153, 0.12);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.12);
  --indigo: #818cf8;
  --indigo-soft: rgba(129, 140, 248, 0.14);
  --on-accent: #06281c;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 10px 30px rgba(0, 0, 0, 0.25);
  --glow: radial-gradient(60% 60% at 70% 0%, rgba(99, 102, 241, 0.16), transparent 70%), radial-gradient(50% 50% at 0% 20%, rgba(16, 185, 129, 0.10), transparent 70%);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f8fafc;
  --bg-2: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --muted: #475569;
  --faint: #64748b;
  --emerald: #047857;
  --emerald-soft: rgba(4, 120, 87, 0.09);
  --amber: #b45309;
  --amber-soft: rgba(217, 119, 6, 0.10);
  --indigo: #4f46e5;
  --indigo-soft: rgba(79, 70, 229, 0.09);
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 8px 24px rgba(15, 23, 42, 0.06);
  --glow: radial-gradient(60% 60% at 70% 0%, rgba(99, 102, 241, 0.10), transparent 70%), radial-gradient(50% 50% at 0% 20%, rgba(16, 185, 129, 0.08), transparent 70%);
  color-scheme: light;
}

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .25s ease, color .25s ease;
}
h1, h2, h3, h4 { font-family: "Space Grotesk", "Inter", sans-serif; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--emerald); color: var(--on-accent); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--indigo); outline-offset: 2px; border-radius: 6px; }
.icon { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -3px; }
.muted-sm { color: var(--muted); font-size: 13.5px; font-weight: 400; font-family: "Inter", sans-serif; letter-spacing: 0; }
.narrow { max-width: 760px; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--emerald); color: var(--on-accent); }
.btn-ghost { background: var(--surface); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--emerald); }
.btn-sm { padding: 7px 12px; font-size: 14px; }
.icon-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; min-width: 36px; padding: 0 9px;
  border-radius: 9px; border: 1px solid var(--border); background: var(--surface); cursor: pointer;
}
.icon-btn:hover { border-color: var(--border-strong); }
.link-btn { background: none; border: 0; color: var(--indigo); font-weight: 600; font-size: 14px; cursor: pointer; padding: 4px 2px; text-decoration: none; }
.link-btn:hover { text-decoration: underline; }

/* ============ Nav ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(12px); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--emerald), var(--indigo)); color: #fff;
  font: 700 13px/1 "JetBrains Mono", monospace;
}
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 14.5px; padding: 6px 10px; border-radius: 8px; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface-2); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-actions.push { margin-left: auto; }
.show-sm { display: none; }

/* ============ Hero ============ */
.hero { position: relative; padding: 76px 0 48px; }
.hero::before { content: ""; position: absolute; inset: 0; background: var(--glow); pointer-events: none; }
.hero-copy { position: relative; max-width: 780px; }
.avail {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 12px; border-radius: 999px;
  background: var(--emerald-soft); border: 1px solid color-mix(in srgb, var(--emerald) 35%, transparent);
  font-size: 13px; color: var(--text); margin-bottom: 22px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--emerald); flex: none; box-shadow: 0 0 0 0 var(--emerald); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--emerald) 60%, transparent); } 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.kicker { font: 500 13px/1.4 "JetBrains Mono", monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--emerald); margin-bottom: 14px; }
h1 { font-size: clamp(38px, 5.6vw, 62px); font-weight: 700; margin-bottom: 20px; }
h1 .accent { background: linear-gradient(90deg, var(--emerald), var(--indigo)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; }
.lead strong { color: var(--text); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 18px; }
.cta-row.center { justify-content: center; }
.social-row { display: flex; gap: 8px; }
.social-row a { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); }
.social-row a:hover { color: var(--text); border-color: var(--border-strong); }

/* ============ Metrics ============ */
.metrics-band { padding: 8px 0 8px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric { border: 1px solid var(--border); background: var(--surface); border-radius: 12px; padding: 18px 20px; box-shadow: var(--shadow); }
.metric-num { font: 700 30px/1.15 "JetBrains Mono", monospace; color: var(--emerald); letter-spacing: -0.02em; }
.metric-label { font-size: 13px; color: var(--text); margin-top: 8px; line-height: 1.4; }
.metric-src { font: 11px/1.3 "JetBrains Mono", monospace; color: var(--faint); margin-top: 6px; }

/* ============ Sections ============ */
.section { padding: 88px 0 0; }
.eyebrow { font: 500 12.5px/1 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--indigo); margin-bottom: 12px; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; margin-bottom: 18px; }
h2 .muted-sm { display: block; margin-top: 8px; }
.section-lead { color: var(--muted); max-width: 720px; margin-bottom: 24px; }
.card { border: 1px solid var(--border); background: var(--surface); border-radius: 12px; box-shadow: var(--shadow); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 500 12px/1 "JetBrains Mono", monospace; padding: 6px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); }
.badge { align-self: flex-start; display: inline-block; font: 600 11px/1 "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--emerald); background: var(--emerald-soft); padding: 6px 8px; border-radius: 6px; }
.badge.indigo { color: var(--indigo); background: var(--indigo-soft); }

/* Work case study card */
.wcard { padding: 28px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 32px; align-items: start; background: linear-gradient(160deg, var(--indigo-soft), transparent 60%), var(--surface); border-color: color-mix(in srgb, var(--indigo) 40%, var(--border)); }
.wcard h3 { font-size: clamp(22px, 2.6vw, 28px); margin: 12px 0 12px; }
.wcard p { color: var(--muted); }
.wcard ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.wcard li { border: 1px solid var(--border); background: var(--surface); border-radius: 10px; padding: 12px 14px; font-size: 14.5px; color: var(--muted); }
.wcard li b { display: block; font: 700 17px/1.2 "JetBrains Mono", monospace; color: var(--emerald); margin-bottom: 3px; }

/* Project cards */
.pgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pcard { padding: 24px; display: flex; flex-direction: column; gap: 14px; border-color: color-mix(in srgb, var(--emerald) 35%, var(--border)); background: linear-gradient(160deg, var(--emerald-soft), transparent 55%), var(--surface); }
.pcard h3 { font-size: 24px; }
.pcard .sub { margin: -6px 0 0; color: var(--muted); }
.pstats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.pstat { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; }
.pstat b { display: block; font: 700 19px/1.15 "JetBrains Mono", monospace; color: var(--emerald); }
.pstat span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 5px; line-height: 1.35; }
.pstat.warn b { color: var(--amber); }
.plinks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 4px; }

/* Earlier projects */
.earlier { margin-top: 44px; }
.earlier h3 { font-size: 19px; margin-bottom: 6px; }
.elist { list-style: none; margin: 10px 0 0; padding: 0; border-top: 1px solid var(--border); }
.elist li { display: grid; grid-template-columns: 1fr auto; gap: 2px 20px; padding: 14px 2px; border-bottom: 1px solid var(--border); }
.elist .t { font-weight: 600; }
.elist .ctx { font: 12.5px/1.4 "JetBrains Mono", monospace; color: var(--faint); }
.elist p { margin: 2px 0 0; color: var(--muted); font-size: 14.5px; }
.elist a { grid-column: 2; grid-row: 1 / span 3; align-self: center; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: var(--indigo); text-decoration: none; white-space: nowrap; }
.elist a:hover { text-decoration: underline; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 12px; }
.about-text p { color: var(--muted); font-size: 16.5px; }
.about-text p:first-child { color: var(--text); font-size: 18px; }
.principles { display: grid; gap: 10px; }
.principle { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 14px 16px; }
.principle .n { font: 700 14px/1 "JetBrains Mono", monospace; color: var(--emerald); background: var(--emerald-soft); width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; }
.principle h3 { font-size: 16px; margin-bottom: 4px; }
.principle p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Timeline */
.timeline { list-style: none; margin: 18px 0 0; padding: 0 0 0 26px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.tl-item { position: relative; margin-bottom: 14px; }
.tl-item::before { content: ""; position: absolute; left: -25px; top: 22px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 3px solid var(--border-strong); }
.tl-item.current::before { border-color: var(--emerald); }
.tl-card { padding: 18px 20px; }
.tl-top { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.tl-top h3 { font-size: 19px; }
.tl-co { color: var(--muted); font-size: 15px; margin-top: 3px; }
.tl-co b { color: var(--text); font-weight: 600; }
.tl-meta { text-align: right; font: 12.5px/1.6 "JetBrains Mono", monospace; color: var(--faint); }
.tl-sum { margin: 10px 0 0; color: var(--text); }
.tl-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 8px; }
.tl-toggle { display: inline-flex; align-items: center; gap: 4px; }
.tl-toggle .icon { transition: transform .2s ease; }
.tl-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }
.tl-bullets { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 15px; }
.tl-bullets li { margin: 5px 0; }
.tl-bullets[hidden] { display: none; }

/* Skills */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.skill-group { padding: 18px; }
.skill-group h3 { font-size: 16px; margin-bottom: 12px; }
.skill-chip {
  font: 500 13px/1.3 "Inter", sans-serif; text-align: left; padding: 7px 10px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.skill-chip:hover, .skill-chip[aria-pressed="true"] { border-color: var(--emerald); }
.used { margin: 12px 0 0; min-height: 20px; font: 12.5px/1.4 "JetBrains Mono", monospace; color: var(--emerald); }

/* Education */
.edu-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.edu-card { padding: 18px; }
.edu-card h3 { font-size: 16px; margin-bottom: 10px; }
.edu-card ul { list-style: none; margin: 0; padding: 0; }
.edu-card li { margin-bottom: 10px; font-size: 14.5px; color: var(--muted); }
.edu-card li b { display: block; color: var(--text); font-weight: 600; }
.edu-card li span { font: 12px/1.4 "JetBrains Mono", monospace; color: var(--faint); }

/* Contact */
.contact { padding: 44px 28px; text-align: center; background: var(--glow), var(--surface); }
.contact .lead { margin: 0 auto 18px; }
.email-row { display: flex; justify-content: center; align-items: center; gap: 10px; flex-wrap: wrap; }
.email { font: 600 clamp(18px, 3vw, 26px)/1.2 "JetBrains Mono", monospace; color: var(--emerald); text-decoration: none; overflow-wrap: anywhere; }
.email:hover { text-decoration: underline; }

.footer { margin-top: 88px; border-top: 1px solid var(--border); padding: 22px 0 28px; color: var(--faint); font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer a { color: var(--muted); text-decoration: none; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; z-index: 120; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 600; font-size: 14px; transition: all .25s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ============ Case study pages ============ */
.cs-main { max-width: 900px; padding-top: 44px; }
.cs-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); text-decoration: none; margin-bottom: 22px; }
.cs-back:hover { color: var(--text); }
.cs-title { font-size: clamp(32px, 4.6vw, 48px); margin: 4px 0 8px; }
.cs-sub { font: 500 clamp(17px, 2vw, 20px)/1.4 "Space Grotesk", sans-serif; color: var(--text); margin: 0 0 14px; }
.cs-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.cs-meta { display: grid; grid-template-columns: 1.3fr 0.7fr 1.3fr; gap: 18px; padding: 16px 18px; margin: 0 0 14px; }
.cs-meta h4 { font: 500 11.5px/1 "JetBrains Mono", monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); margin-bottom: 7px; }
.cs-meta p { margin: 0; font-size: 14.5px; color: var(--text); }
.cs-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.cs-sec { margin-top: 46px; }
.cs-sec h2 { font-size: clamp(22px, 2.6vw, 28px); margin-bottom: 12px; }
.cs-sec h3 { font-size: 17px; margin: 22px 0 8px; }
.cs-sec p, .cs-sec li { color: var(--muted); }
.cs-sec strong { color: var(--text); }
.cs-sec ul, .cs-sec ol { padding-left: 20px; margin: 0 0 1em; }
.cs-sec li { margin: 6px 0; }
.cs-note { margin-top: 40px; font-size: 13.5px; color: var(--faint); border-top: 1px solid var(--border); padding-top: 14px; }
.flow { display: flex; flex-wrap: wrap; gap: 8px; align-items: stretch; margin: 14px 0 10px; }
.flow-step { flex: 1 1 130px; border: 1px solid var(--border); background: var(--surface); border-radius: 10px; padding: 10px 12px; }
.flow-step b { display: block; font: 600 14px/1.25 "Space Grotesk", sans-serif; color: var(--text); }
.flow-step small { display: block; color: var(--muted); font-size: 12.5px; margin-top: 3px; line-height: 1.35; }
.flow-step.k-gate { border-color: color-mix(in srgb, var(--amber) 55%, var(--border)); background: var(--amber-soft); }
.flow-step.k-agent { border-color: color-mix(in srgb, var(--indigo) 55%, var(--border)); background: var(--indigo-soft); }
.flow-step.k-ok { border-color: color-mix(in srgb, var(--emerald) 50%, var(--border)); background: var(--emerald-soft); }
.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; }
.tool { border: 1px dashed color-mix(in srgb, var(--indigo) 55%, var(--border)); border-radius: 8px; padding: 9px 10px; background: var(--indigo-soft); }
.tool code { display: block; font: 600 12.5px/1.3 "JetBrains Mono", monospace; color: var(--indigo); overflow-wrap: anywhere; }
.tool span { display: block; margin-top: 3px; font-size: 12.5px; line-height: 1.4; color: var(--muted); }
.calls { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.call { padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.call h4 { margin: 0; font: 600 16px/1.3 "Space Grotesk", sans-serif; }
.call p { margin: 0; color: var(--muted); font-size: 14.5px; flex: 1; }
.call .res { font: 600 13px/1.4 "JetBrains Mono", monospace; color: var(--emerald); background: var(--emerald-soft); padding: 8px 10px; border-radius: 8px; }
.callout { border-radius: 10px; padding: 16px 18px; margin-top: 18px; font-size: 15px; color: var(--muted); border: 1px solid var(--border); }
.callout strong { color: var(--text); }
.callout-amber { background: var(--amber-soft); border-left: 3px solid var(--amber); }
.callout-amber strong { color: var(--amber); }
.callout-indigo { background: var(--indigo-soft); border-left: 3px solid var(--indigo); }
.callout-indigo strong { color: var(--indigo); }
.callout-emerald { background: var(--emerald-soft); border-left: 3px solid var(--emerald); }
.callout-emerald strong { color: var(--emerald); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.table-wrap { overflow-x: auto; margin: 12px 0 6px; }
.res-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.res-table th, .res-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: right; }
.res-table th:first-child, .res-table td:first-child { text-align: left; }
.res-table th { font: 600 13px/1.3 "Space Grotesk", sans-serif; color: var(--muted); }
.res-table td { font-family: "JetBrains Mono", monospace; color: var(--text); }
.res-table td:first-child { font-family: "Inter", sans-serif; }
.res-table tr.hl td { color: var(--emerald); font-weight: 700; background: var(--emerald-soft); }
.checklist { list-style: none; padding: 0 !important; }
.checklist li { padding-left: 28px; position: relative; }
.checklist li::before { content: "✓"; position: absolute; left: 4px; color: var(--emerald); font-weight: 700; }
.checklist li.fail::before { content: "✗"; color: var(--amber); }
.checklist li.pending::before { content: "…"; color: var(--faint); }
.shot { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.shot img { width: 100%; max-height: 560px; object-fit: cover; object-position: top; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============ Responsive ============ */
@media (max-width: 1040px) {
  .edu-grid { grid-template-columns: repeat(2, 1fr); }
  .skills { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .hero { padding-top: 48px; }
  .about-grid, .two-col, .wcard, .pgrid { grid-template-columns: 1fr; gap: 20px; }
  .tools { grid-template-columns: 1fr 1fr; }
  .cs-stats { grid-template-columns: 1fr 1fr; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 16px 14px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 10px; font-size: 16px; }
  .nav-actions { margin-left: auto; }
  .show-sm { display: inline-flex; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .hide-sm { display: none !important; }
  .brand-name { display: none; }
  .section { padding-top: 64px; }
  .lead { font-size: 16.5px; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-num { font-size: 21px; }
  .pstats { grid-template-columns: 1fr; }
  .skills, .edu-grid, .calls, .cs-meta, .shot { grid-template-columns: 1fr; }
  .tools { grid-template-columns: 1fr; }
  .tl-meta { text-align: left; }
  .timeline { padding-left: 20px; }
  .tl-item::before { left: -19px; }
  .timeline::before { left: 4px; }
  .elist li { grid-template-columns: 1fr; }
  .elist a { grid-column: 1; grid-row: auto; margin-top: 6px; }
  .res-table { font-size: 12.5px; }
  .res-table th, .res-table td { padding: 8px 5px; }
  .contact { padding: 32px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ============ Print (case study PDFs) ============ */
@media print {
  :root, :root[data-theme="dark"], :root[data-theme="light"] {
    --bg: #ffffff; --surface: #ffffff; --surface-2: #f1f5f9; --border: #e2e8f0; --border-strong: #cbd5e1;
    --text: #0f172a; --muted: #334155; --faint: #64748b; --emerald: #047857; --emerald-soft: rgba(4, 120, 87, 0.08);
    --amber: #b45309; --amber-soft: rgba(217, 119, 6, 0.09); --indigo: #4338ca; --indigo-soft: rgba(79, 70, 229, 0.07);
    --shadow: none; color-scheme: light;
  }
  @page { size: A4; margin: 13mm 13mm 14mm; }
  body { font-size: 12.5px; background: #fff; }
  .nav, .footer, .cs-links, .cs-back, .no-print, .toast { display: none !important; }
  .cs-main { padding-top: 0; max-width: none; }
  .cs-title { font-size: 30px; }
  .cs-sec { margin-top: 22px; }
  .cs-sec h2 { font-size: 19px; break-after: avoid; }
  .card, .callout, .flow-step, .call, .pstat, .tool, tr, .shot { break-inside: avoid; }
  .reveal { opacity: 1 !important; transform: none !important; }
  a { text-decoration: none; }
  .print-only { display: block !important; }
}
.print-only { display: none; }