/* =========================================================
   Ben Landes — personal site
   Motif: the CRE stacking plan (floor-by-floor tenant grid)
   ========================================================= */

:root {
  --ink:      #1A1A1E;
  --ink-800:  #26282F;
  --slate:    #5A5E68;
  --slate-300:#9CA0AA;
  --paper:    #F4F3F0;
  --paper-2:  #EAE8E3;
  --line:     rgba(26, 26, 30, 0.12);
  --line-2:   rgba(26, 26, 30, 0.28);
  --bay:      #8A2E3B;   /* oxblood — primary accent */
  --bay-deep: #6E2530;
  --bay-tint: rgba(138, 46, 59, 0.08);
  --signal:   #8A2E3B;   /* marks the "current" floor (same accent) */

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

  --wrap: 1120px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.05; margin: 0; letter-spacing: -0.02em; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bay-deep);
  margin: 0 0 1rem;
}
.lede { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--slate); max-width: 56ch; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-family: var(--display); font-weight: 600; letter-spacing: -0.01em; }
.brand__mark {
  width: 30px; height: 30px; border-radius: 4px;
  background: var(--ink); color: var(--paper);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 0.8rem; font-weight: 600;
}
.nav__links { display: flex; gap: clamp(1rem, 3vw, 2.25rem); align-items: center; }
.nav__links a {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em;
  color: var(--slate); padding-block: 0.4rem; position: relative;
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--bay);
}
.nav__toggle { display: none; background: none; border: 1px solid var(--line-2); border-radius: 6px; padding: 0.4rem 0.55rem; cursor: pointer; }
.nav__toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.03em;
  padding: 0.7rem 1.15rem; border-radius: 7px; border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--bay-deep); transform: translateY(-1px); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-1px); }
.btn__arrow { transition: transform .15s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- hero ---------- */
.hero { padding-top: clamp(2.5rem, 6vw, 4.5rem); }
.hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
}
.hero h1 em { font-style: normal; color: var(--bay-deep); }
.hero__role { font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--ink-800); max-width: 46ch; margin-bottom: 1.75rem; }
.hero__role strong { font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }

/* stat strip */
.stats { display: flex; flex-wrap: wrap; gap: 0 clamp(1.25rem, 3vw, 2.25rem); border-top: 1px solid var(--line); padding-top: 1.25rem; }
.stat { padding-block: 0.35rem; }
.stat b { display: block; font-family: var(--display); font-size: 1.35rem; letter-spacing: -0.02em; }
.stat span { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); }

/* ---------- stacking plan (signature) ---------- */
.stack { display: flex; flex-direction: column; gap: 6px; }
.stack__cap {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--slate-300); display: flex; justify-content: space-between; margin-bottom: 4px;
}
.floor {
  --floor-accent: var(--bay);
  position: relative;
  display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 0.9rem;
  background: #fff; border: 1px solid var(--line);
  border-left: 3px solid var(--floor-accent);
  border-radius: 6px; padding: 0.85rem 1rem;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.floor:hover { transform: translateX(4px); box-shadow: 0 8px 24px rgba(22,24,29,.07); }
.floor__no { font-family: var(--mono); font-size: 0.72rem; color: var(--slate-300); }
.floor__label { font-family: var(--display); font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em; }
.floor__sub { font-family: var(--mono); font-size: 0.68rem; color: var(--slate); letter-spacing: 0.02em; }
.floor__tag {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--floor-accent); border: 1px solid currentColor; border-radius: 3px; padding: 0.2rem 0.4rem;
}
.floor--current { --floor-accent: var(--signal); background: color-mix(in srgb, var(--signal) 7%, #fff); }

/* ---------- generic section headers ---------- */
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(2rem, 4vw, 3rem); flex-wrap: wrap; }
.head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.head p { color: var(--slate); max-width: 48ch; margin: 0.75rem 0 0; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- band (dark section) ---------- */
.band { background: var(--ink); color: var(--paper); }
.band .eyebrow { color: var(--signal); }
.band .head p { color: var(--slate-300); }
.band a.link { color: var(--paper); border-bottom: 1px solid var(--bay); }

/* ---------- project floors (projects page) ---------- */
.projects { display: flex; flex-direction: column; gap: 0.9rem; }
.pfloor {
  display: grid; grid-template-columns: 44px 120px 1fr auto; gap: 1.25rem; align-items: center;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--bay);
  border-radius: 8px; padding: 1rem 1.25rem;
  transition: transform .18s ease, box-shadow .18s ease;
}
.pfloor:hover { transform: translateX(4px); box-shadow: 0 10px 30px rgba(22,24,29,.08); }
.pfloor__no { font-family: var(--mono); font-size: 0.8rem; color: var(--slate-300); }
.pfloor__thumb { width: 120px; height: 78px; border-radius: 6px; overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); }
.pfloor__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pfloor__name { font-family: var(--display); font-weight: 600; font-size: 1.15rem; margin-bottom: 0.2rem; }
.pfloor__desc { color: var(--slate); font-size: 0.95rem; }
.pfloor__links { display: flex; gap: 0.5rem; flex-shrink: 0; }
.chip {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.03em;
  border: 1px solid var(--line-2); border-radius: 5px; padding: 0.4rem 0.6rem; color: var(--ink);
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.chip:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- cards (adoption) ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card { border: 1px solid rgba(246,245,241,0.16); border-radius: 8px; padding: 1.5rem; background: rgba(246,245,241,0.03); }
.card__kind { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal); margin-bottom: 0.6rem; }
.card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card p { color: var(--slate-300); font-size: 0.92rem; margin: 0; }

/* ---------- about ---------- */
.prose { max-width: 66ch; }
.prose p { margin: 0 0 1.15rem; }
.prose h2 { font-size: 1.5rem; margin: 2.5rem 0 0.75rem; }
.about__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.portrait { border-radius: 10px; overflow: hidden; border: 1px solid var(--line); position: sticky; top: 88px; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 2rem; }
.gallery img { border-radius: 8px; border: 1px solid var(--line); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.gallery img:first-child { grid-column: 1 / -1; aspect-ratio: 16/9; }

/* ---------- education ---------- */
.edu { display: flex; flex-direction: column; gap: 0.9rem; }
.edu__row {
  display: grid; grid-template-columns: 180px 1fr auto; gap: 1.5rem; align-items: baseline;
  border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem 1.35rem; background: #fff;
}
.edu__school { font-family: var(--display); font-weight: 600; font-size: 1.1rem; }
.edu__deg { color: var(--ink-800); }
.edu__deg span { display: block; color: var(--slate); font-size: 0.92rem; }
.edu__year { font-family: var(--mono); font-size: 0.85rem; color: var(--bay-deep); }
.certs { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; margin-top: 1.75rem; }
.cert { border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; background: #fff; }
.cert__code { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--bay-deep); margin-bottom: 0.5rem; }
.cert h3 { font-size: 1.02rem; margin-bottom: 0.4rem; }
.cert p { font-size: 0.88rem; color: var(--slate); margin: 0 0 0.9rem; }
.cert__meta { display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 0.72rem; color: var(--slate); }
.cert__meta a { color: var(--bay-deep); border-bottom: 1px solid var(--bay); padding-bottom: 1px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer__links { display: flex; gap: 1.25rem; font-family: var(--mono); font-size: 0.8rem; }
.footer__links a { color: var(--slate); }
.footer__links a:hover { color: var(--ink); }
.footer small { font-family: var(--mono); font-size: 0.72rem; color: var(--slate-300); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.floor.reveal { transition-delay: calc(var(--i, 0) * 70ms); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero__grid, .about__grid { grid-template-columns: 1fr; }
  .portrait { position: static; max-width: 380px; }
  .hero__stack { order: -1; }
  .pfloor { grid-template-columns: 36px 1fr; grid-template-areas: "no name" "thumb desc" "links links"; }
  .pfloor__thumb { grid-area: thumb; width: 100%; height: 120px; }
  .edu__row { grid-template-columns: 1fr; gap: 0.4rem; }
}
@media (max-width: 640px) {
  .nav__links { position: absolute; top: 64px; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: flex-start; gap: 0; padding: 0.5rem var(--gutter) 1rem; border-bottom: 1px solid var(--line); display: none; }
  .nav__links.open { display: flex; }
  .nav__links a { width: 100%; padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
  .nav__toggle { display: block; }
  .stats { gap: 0 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .floor:hover, .pfloor:hover, .btn:hover { transform: none; }
}