/* tombramble.com — direction A: executive minimal with aviation accents */

:root {
  --bg: #FAF9F6;
  --ink: #181B20;
  --mut: #636B76;
  --line: #E4E1D8;
  --card: #FFFFFF;
  --accent: #C8102E;
  --accent-soft: #E2554F;
  --band: #14171D;
  --band-mut: #B4B2A9;
  --band-txt: #D5D2CA;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
}

[data-theme="dark"] {
  --bg: #0F1216;
  --ink: #E9EAEC;
  --mut: #98A1AC;
  --line: #272D36;
  --card: #151A20;
  --accent: #E2554F;
  --band: #0A0C0F;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  transition: background 0.25s ease, color 0.25s ease;
}

a { color: inherit; text-decoration: none; }
.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }

/* ---------- nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.brand { font-family: var(--mono); font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 7px; }
.brand i { color: var(--accent); font-size: 18px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; color: var(--mut); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--accent); font-weight: 500; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
.theme-toggle {
  cursor: pointer; width: 32px; height: 32px;
  border: 1px solid var(--line); border-radius: 50%;
  background: transparent; color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.theme-toggle:hover { border-color: var(--mut); }

/* ---------- hero ---------- */
.hero { padding: 84px 0 64px; }
.kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 46px); font-weight: 600;
  line-height: 1.12; letter-spacing: -0.5px; max-width: 680px;
}
.hero-sub { font-size: 17px; color: var(--mut); line-height: 1.65; max-width: 580px; margin-top: 20px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500; padding: 12px 22px;
  border-radius: 8px; border: 1px solid transparent; cursor: pointer;
  font-family: var(--sans);
}
.btn-solid { background: var(--accent); color: #fff; }
.btn-solid:hover { filter: brightness(1.1); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--mut); }
.micro { font-size: 13px; color: var(--mut); margin-top: 22px; }

/* ---------- stat band ---------- */
.statband { background: var(--band); padding: 34px 0; }
.statband .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat { border-left: 2px solid var(--accent-soft); padding-left: 16px; }
.stat-num { font-family: var(--mono); font-size: 27px; font-weight: 500; color: var(--accent-soft); }
.stat-label { font-size: 11px; letter-spacing: 0.08em; color: var(--band-mut); text-transform: uppercase; margin-top: 6px; }

/* ---------- sections ---------- */
section.block { padding: 72px 0 0; }
.shead { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; }
.stitle { font-size: 23px; font-weight: 600; display: flex; align-items: center; }
.dia { display: inline-block; width: 9px; height: 9px; background: var(--accent); transform: rotate(45deg); margin-right: 12px; flex-shrink: 0; }
.wpt { font-family: var(--mono); font-size: 12px; color: var(--mut); letter-spacing: 0.1em; }

/* ---------- project cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color 0.2s ease;
}
.card:hover { border-color: var(--mut); }
.thumb { aspect-ratio: 16 / 9; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; overflow: hidden; background: var(--band); }
.thumb-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .wordmark { font-family: var(--mono); color: #fff; font-size: 17px; font-weight: 500; }
.thumb .sub { font-size: 11px; letter-spacing: 0.1em; }
.thumb-av8db { background: #0C447C; } .thumb-av8db .sub { color: #85B7EB; }
.thumb-lin { background: #0F6E56; } .thumb-lin .sub { color: #5DCAA5; }
.thumb-mkt { background: #3C3489; } .thumb-mkt .sub { color: #AFA9EC; }
.card-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.card-title-row { display: flex; justify-content: space-between; align-items: baseline; }
.card-title { font-size: 16px; font-weight: 600; }
.tag { font-family: var(--mono); font-size: 11px; color: var(--accent); font-weight: 500; letter-spacing: 0.06em; }
.card-desc { font-size: 14px; color: var(--mut); line-height: 1.55; margin-top: 8px; flex: 1; }
.stack { font-family: var(--mono); font-size: 12px; color: var(--mut); margin-top: 12px; }
.card-link { font-size: 13.5px; color: var(--accent); font-weight: 500; margin-top: 12px; display: inline-flex; align-items: center; gap: 5px; }
.card-link:hover { text-decoration: underline; }

/* ---------- timeline ---------- */
.tl { margin-left: 8px; }
.tl-plane { color: var(--accent); font-size: 20px; margin: 0 0 6px -4px; }
.tl-entry { position: relative; padding: 0 0 30px 30px; border-left: 2px dashed var(--line); }
.tl-entry:last-of-type { border-left-color: transparent; padding-bottom: 10px; }
.tl-dot {
  position: absolute; left: -7px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg);
}
.tl-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.tl-co { font-size: 16.5px; font-weight: 600; }
.tl-dates { font-family: var(--mono); font-size: 12px; color: var(--mut); white-space: nowrap; }
.tl-role { font-size: 13.5px; color: var(--accent); font-weight: 500; margin-top: 3px; }
.tl-result { font-size: 14.5px; color: var(--mut); line-height: 1.6; margin-top: 6px; max-width: 720px; }
details.earlier { margin: 4px 0 0 30px; }
details.earlier summary {
  cursor: pointer; font-size: 14px; color: var(--mut); list-style: none;
  display: inline-flex; align-items: center; gap: 6px;
}
details.earlier summary::-webkit-details-marker { display: none; }
details.earlier summary:hover { color: var(--ink); }
details.earlier[open] summary i { transform: rotate(180deg); }
details.earlier .tl-entry:first-of-type { margin-top: 22px; }
details.earlier .tl { margin-left: -22px; }

/* ---------- certs ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip {
  border: 1px solid var(--line); border-radius: 999px;
  font-family: var(--mono); font-size: 12.5px; color: var(--mut);
  padding: 7px 14px;
}

/* ---------- beyond teaser ---------- */
.teaser {
  margin-top: 72px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.teaser-txt { font-size: 15px; color: var(--mut); line-height: 1.6; }
.teaser-txt strong { color: var(--ink); font-weight: 600; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px; }
.contact-info p { font-size: 14.5px; color: var(--mut); line-height: 1.65; }
.contact-line { font-size: 15px; font-weight: 500; margin-top: 16px; display: flex; align-items: center; gap: 9px; }
.contact-line i { color: var(--accent); font-size: 17px; }
.contact-line a:hover { color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
input, textarea {
  width: 100%; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 11px 13px; font-size: 14px;
  color: var(--ink); font-family: var(--sans);
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { margin-top: 10px; resize: vertical; min-height: 110px; }
.form-foot { margin-top: 12px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.form-status { font-size: 13px; color: var(--mut); }
.form-status.ok { color: #1D9E75; }
.form-status.err { color: var(--accent); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- runway divider ---------- */
.runway { border: none; border-top: 2px dashed var(--line); margin: 72px 0 0; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 18px 0; }
.site-footer .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.foot-l { font-size: 12.5px; color: var(--mut); }
.foot-r { font-family: var(--mono); font-size: 12px; color: var(--mut); }

/* ---------- beyond page ---------- */
.featured {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; display: grid; grid-template-columns: 280px 1fr;
}
.featured-photo {
  background: #185FA5; min-height: 220px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background-size: cover; background-position: center;
}
.featured-photo i { color: #E6F1FB; font-size: 40px; }
.featured-photo .ph-label { font-family: var(--mono); color: #B5D4F4; font-size: 11px; letter-spacing: 0.1em; }
.featured-body { padding: 26px 28px; }
.featured-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--accent); }
.featured-title { font-size: 21px; font-weight: 600; margin-top: 10px; }
.featured-desc { font-size: 14.5px; color: var(--mut); line-height: 1.65; margin-top: 10px; }
.featured-chips { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 16px; font-size: 13px; align-items: center; }
.featured-chips .mono { color: var(--mut); }
.featured-chips .mono b { color: var(--accent); font-weight: 500; }

.group-label { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; color: var(--mut); margin: 40px 0 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.pcard { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; transition: border-color 0.2s ease; }
.pcard:hover { border-color: var(--mut); }
.icbox {
  width: 38px; height: 38px; border-radius: 9px;
  background: var(--bg); border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 19px; margin-bottom: 13px;
}
.pcard-title-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.pcard-title { font-size: 15.5px; font-weight: 600; }
.pcard-desc { font-size: 13.5px; color: var(--mut); line-height: 1.6; margin-top: 7px; }
.pcard-link { font-size: 13px; color: var(--accent); font-weight: 500; margin-top: 11px; display: inline-flex; align-items: center; gap: 5px; }
.pcard-link:hover { text-decoration: underline; }
.pcard-note { font-size: 12.5px; color: var(--mut); margin-top: 11px; }

.currently {
  margin-top: 48px; background: var(--band); border-radius: 12px;
  padding: 20px 24px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.currently .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--accent-soft); }
.currently .items { font-size: 14px; color: var(--band-txt); line-height: 1.5; }

.backbar { margin-top: 56px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.backbar span { font-size: 14px; color: var(--mut); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .statband .container { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .featured { grid-template-columns: 1fr; }
  .featured-photo { min-height: 170px; }
  .grid-3 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { padding: 56px 0 44px; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; font-size: 13px; }
  .nav-links .hide-sm { display: none; }
  .site-footer .container { flex-direction: column; gap: 6px; }
}