/* ==========================================================================
   JERRYBAY — Static Portfolio Foundation
   Deep Space / Kinetic Archive, tuned for conversion hierarchy + WCAG AA.
   No build step. No external CSS dependency.
   ========================================================================== */

:root {
  /* Surfaces — tonal layering, no structural 1px lines */
  --bg: #131318;
  --surface-lowest: #0e0e13;
  --surface-low: #1b1b20;
  --surface: #1f1f25;
  --surface-high: #2a292f;
  --surface-highest: #35343a;

  /* Text — all values contrast-checked against --bg and --surface-low */
  --text: #e4e1e9;          /* 15.9:1 on --bg */
  --text-muted: #c7c4d7;    /* 11.0:1 on --bg, 10.2:1 on --surface-low */
  --text-dim: #a9a6bc;      /* 7.9:1 on --bg, 7.3:1 on --surface-low */

  /* Accents */
  --primary: #c0c1ff;       /* 10.9:1 on --bg */
  --secondary: #4cd7f6;
  --on-accent: #07006c;

  /* CTA gradient uses the brighter palette tokens so #07006c label text
     clears 5.5:1. The #6366f1 gradient in DESIGN.md only reaches 3.9:1. */
  --grad-a: #8083ff;
  --grad-b: #4cd7f6;

  --ghost: rgba(70, 69, 84, 0.55);
  --radius: 0.375rem;
  --radius-lg: 0.75rem;
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  /* System-font stack only — zero external font requests. F-003 remediation:
     independent review measured 18-19 Google Fonts requests / ~361-432KB and
     ~3.3s of Style & Layout work causing Home Mobile DevTools Lighthouse
     Performance to fail at 60-61 (threshold 75). Editorial hierarchy between
     heading and body is preserved through weight/letter-spacing/size instead
     of a distinct display typeface — see h1-h4 rules below. */
  --font-head: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;              /* 16px floor */
  line-height: 1.7;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  word-break: keep-all;
}

img { max-width: 100%; height: auto; display: block; }

/* --- Focus + skip link ---------------------------------------------------- */

:focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -100px;
  z-index: 999;
  background: var(--surface-highest);
  color: var(--text);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0.75rem; }

/* --- Preview banner ------------------------------------------------------- */

.preview-banner {
  background: #2f2ebe;
  color: #ffffff;
  font-size: 0.875rem;
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.65rem var(--gutter);
}
.preview-banner span { display: inline-block; }

/* --- Layout --------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(2.75rem, 6.2vw, 5.5rem); }
.section--low { background: var(--surface-low); }
.section--lowest { background: var(--surface-lowest); }

.section__label {
  font-family: var(--font-head);
  font-size: 0.875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 1rem;
  font-weight: 500;
}

/* --- Typography ----------------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--text);
}

h1 { font-size: clamp(2.125rem, 4vw, 3.25rem); } /* 34px mobile → 52px desktop */
h2 { font-size: clamp(1.625rem, 2.8vw, 2.125rem); line-height: 1.2; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.3; }
h4 { font-size: 1.0625rem; line-height: 1.4; }

p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  max-width: 46ch;
}

.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); font-size: 0.9375rem; }

a { color: var(--primary); }
a:hover { color: var(--secondary); }

ul.plain { list-style: none; margin: 0; padding: 0; }
ul.ticks { margin: 0; padding-left: 1.15rem; color: var(--text-muted); }
ul.ticks li { margin-bottom: 0.45rem; }

/* --- Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

/* Exactly one primary style across the whole site. */
.btn--primary {
  background: linear-gradient(100deg, var(--grad-a), var(--grad-b));
  color: var(--on-accent);
  box-shadow: 0 0 40px rgba(128, 131, 255, 0.18);
}
.btn--primary:hover {
  color: var(--on-accent);
  transform: translateY(-2px);
  box-shadow: 0 0 56px rgba(128, 131, 255, 0.3);
}

/* Deliberately lower emphasis: text-weight link, no fill, no gradient. */
.btn--secondary {
  background: transparent;
  color: var(--primary);
  font-weight: 500;
  box-shadow: inset 0 0 0 1px var(--ghost);
  padding-inline: 1.25rem;
}
.btn--secondary:hover { background: rgba(192, 193, 255, 0.07); color: var(--primary); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  margin-top: 2rem;
}

/* In-content links (inline within paragraphs/definition lists) get an
   invisible 44x44 hit box without breaking sentence flow. inline-flex keeps
   each link as a single atomic unit on the line — it still wraps to a new
   line as a whole with the surrounding text, it just never appears as a
   sub-44px sliver. No visible padding/background is added, so short link
   text (e.g. "AIKUS") only gains a taller, centered hit area, not a visible
   pill shape. .btn is excluded — its own 48px-tall rule already covers it. */
main a:not(.btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  vertical-align: middle;
}

/* --- Header / nav --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(19, 19, 24, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.brand:hover { color: var(--text); }
.brand em { font-style: normal; color: var(--primary); }
.brand, .nav-toggle { position: relative; z-index: 2; }

.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 0.85rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius);
}
.nav a:hover { color: var(--text); background: rgba(192, 193, 255, 0.07); }
.nav a[aria-current="page"] { color: var(--text); font-weight: 700; }

.nav-toggle {
  display: none;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  background: var(--surface-high);
  color: var(--text);
  border: 0;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
    background: var(--surface-lowest);
  }
  .nav[data-open="true"] { display: flex; }
  .nav a { min-height: 52px; padding: 0 0.75rem; font-size: 1rem; }
  .site-header__inner { position: relative; }
}

/* Locks background scroll while the mobile menu is open. Toggled by
   site.js alongside data-open, so it is added/removed at every existing
   open/close path (trigger, Escape, nav-link click, desktop breakpoint) for
   free. Plain overflow:hidden (not position:fixed) so the browser preserves
   the underlying scroll offset natively — no manual scrollTop bookkeeping
   needed on close. */
body.nav-open { overflow: hidden; }
.nav[data-open="true"] { overscroll-behavior: contain; }

/* --- Hero ----------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: clamp(2.75rem, 6.5vw, 5.5rem) clamp(2.5rem, 5.5vw, 4.75rem);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: -30% 40% 40% -20%;
  background: radial-gradient(closest-side, rgba(99, 102, 241, 0.22), transparent);
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 { max-width: 16ch; }
.hero .lead { max-width: 52ch; font-size: clamp(1.0625rem, 1.7vw, 1.3125rem); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 1.25rem;
}

/* --- Grid + cards --------------------------------------------------------- */

.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .grid--2, .grid--3 { grid-template-columns: minmax(0, 1fr); }
}

.card {
  background: var(--surface-low);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.6vw, 2.25rem);
  transition: background 0.2s ease, transform 0.2s ease;
}
.card--raised { background: var(--surface-high); }
.card--recessed { background: var(--surface-lowest); }
.section--low .card { background: var(--surface-lowest); }
.card h3 { margin-bottom: 0.75rem; }
.card p { color: var(--text-muted); }

.card dl { margin: 1.25rem 0 0; }
.card dt {
  font-family: var(--font-head);
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 1rem;
}
.card dd { margin: 0.3rem 0 0; color: var(--text-muted); font-size: 0.9375rem; }

/* --- Status chips — never signal meaning by colour alone ------------------- */

.chip {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  background: var(--surface-highest);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.chip--flag { background: #4f2500; color: #ffdcc5; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.1rem; }

/* --- Offer hierarchy ------------------------------------------------------ */

.offer { position: relative; }
.offer--primary { background: var(--surface-high); }
.offer__rank {
  font-family: var(--font-head);
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--secondary);
  display: block;
  margin-bottom: 0.6rem;
}
.offer__price {
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.1rem 0 0.35rem;
}

/* --- Trust strip (no numbers, no logos) ----------------------------------- */

.trust {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 780px) { .trust { grid-template-columns: minmax(0, 1fr); } }
.trust h3 { font-size: 1.0625rem; margin-bottom: 0.4rem; }
.trust p { color: var(--text-muted); font-size: 0.9375rem; }

/* --- Callout / review notice ---------------------------------------------- */

.notice {
  background: var(--surface-lowest);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 2.4vw, 2rem);
  color: var(--text-muted);
  box-shadow: inset 3px 0 0 var(--secondary);
}
.notice strong { color: var(--text); }

/* --- Steps ---------------------------------------------------------------- */

.steps { counter-reset: step; display: grid; gap: 1.25rem; }
.steps li {
  counter-increment: step;
  list-style: none;
  background: var(--surface-low);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.6rem 1.4rem 3.9rem;
  position: relative;
  color: var(--text-muted);
}
.section--low .steps li { background: var(--surface-lowest); }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 1.5rem;
  top: 1.4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--primary);
}
.steps li strong { display: block; color: var(--text); font-size: 1.0625rem; margin-bottom: 0.15rem; }

/* --- Tables --------------------------------------------------------------- */

.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 0.9375rem; }
th, td { text-align: left; padding: 0.85rem 1rem; vertical-align: top; color: var(--text-muted); }
thead th { color: var(--text); font-family: var(--font-head); font-size: 0.875rem; letter-spacing: 0.08em; text-transform: uppercase; }
tbody tr:nth-child(odd) { background: var(--surface-low); }
.section--low tbody tr:nth-child(odd) { background: var(--surface-lowest); }

/* --- Footer --------------------------------------------------------------- */

.site-footer {
  background: var(--surface-lowest);
  padding-block: clamp(2.5rem, 5vw, 4rem);
  color: var(--text-muted);
  font-size: 0.9375rem;
}
.site-footer__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr;
}
@media (max-width: 780px) { .site-footer__grid { grid-template-columns: minmax(0, 1fr); } }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
.site-footer nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  color: var(--text-muted);
  text-decoration: none;
}
.site-footer nav a:hover { color: var(--primary); text-decoration: underline; }
.site-footer__meta { margin-top: 2rem; color: var(--text-dim); font-size: 0.875rem; }

.ext::after { content: " ↗"; font-size: 0.85em; }

/* --- Spacing utilities -----------------------------------------------------
   Tailwind-style scale (1 unit = 0.25rem), kept small and only for the
   handful of one-off top-margins between a section's intro and its grid. */

.mt-4  { margin-top: 1rem; }
.mt-5  { margin-top: 1.25rem; }
.mt-7  { margin-top: 1.75rem; }
.mt-8  { margin-top: 2rem; }
.mt-9  { margin-top: 2.25rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-11 { margin-top: 2.75rem; }
.mt-14 { margin-top: 3.5rem; }

.table-caption { text-align: left; padding: 0 1rem 0.75rem; }

/* --- Motion --------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .btn--primary:hover { transform: none; }
}

/* ==========================================================================
   Original-first long-form home
   Restores the first homepage's portrait-led profile, dense evidence rhythm,
   and navy/indigo/cyan grammar while keeping the current local-only stack.
   ========================================================================== */

.home-v4 {
  background:
    radial-gradient(circle at 12% 4%, rgba(99, 102, 241, 0.12), transparent 28rem),
    var(--bg);
}

.home-v4 .site-header {
  background: rgba(14, 14, 19, 0.9);
  box-shadow: 0 1px 0 rgba(192, 193, 255, 0.08);
}

.home-v4 section[id] { scroll-margin-top: 5rem; }

.home-v4 .hero--profile {
  padding-block: clamp(2.25rem, 4vw, 3.75rem) clamp(2.25rem, 3.5vw, 3.25rem);
}

.home-v4 .hero--profile::after {
  inset: -32% 32% 28% -18%;
  background:
    radial-gradient(closest-side, rgba(99, 102, 241, 0.24), transparent),
    radial-gradient(circle at 75% 65%, rgba(6, 182, 212, 0.08), transparent 32%);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.7fr);
  align-items: center;
  gap: clamp(1.75rem, 4.5vw, 4.5rem);
}

.portrait {
  position: relative;
  width: min(100%, 17.5rem);
  aspect-ratio: 1;
  justify-self: center;
}

.portrait__glow {
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.38);
  filter: blur(3rem);
}

.portrait img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1rem;
  filter: grayscale(1) contrast(1.04);
  box-shadow:
    0 2rem 5rem rgba(0, 0, 0, 0.42),
    inset 0 0 0 1px rgba(192, 193, 255, 0.16);
  transition: filter 0.35s ease, transform 0.35s ease;
}

.portrait:hover img { filter: grayscale(0.12); transform: translateY(-0.25rem); }

.hero__copy { min-width: 0; }

.hero__name {
  margin: 0 0 0.8rem;
  color: var(--text);
  font-family: var(--font-head);
  font-size: clamp(1.375rem, 2.3vw, 2rem);
  font-weight: 750;
  letter-spacing: -0.035em;
}

.hero__name span { color: var(--text-dim); font-weight: 550; }

.home-v4 .hero h1 {
  max-width: 24ch;
  font-size: clamp(2.125rem, 3.45vw, 2.9rem);
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.home-v4 .hero h1 span { display: block; }
.home-v4 .hero h1 span + span { color: var(--primary); margin-top: 0.22em; }
.home-v4 .hero .lead { max-width: 66ch; }

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin-top: 0.85rem;
}

.hero-links a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  text-underline-offset: 0.3rem;
  text-decoration-color: rgba(76, 215, 246, 0.45);
}

.hero-links a:hover { color: var(--secondary); }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.hero-tags li {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(192, 193, 255, 0.06);
  color: var(--text-dim);
  font-size: 0.875rem;
}

.section-heading { max-width: 50rem; }
.section-heading--wide { max-width: 62rem; }
.section-heading > p { color: var(--text-muted); font-size: 1.0625rem; max-width: 62ch; }
.section-heading__actions { margin-top: 1.35rem; }

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(192, 193, 255, 0.12);
  border-left: 1px solid rgba(192, 193, 255, 0.12);
}

.expertise-item {
  position: relative;
  min-height: 16rem;
  padding: clamp(1.5rem, 2.8vw, 2.4rem);
  border-right: 1px solid rgba(192, 193, 255, 0.12);
  border-bottom: 1px solid rgba(192, 193, 255, 0.12);
  background: rgba(14, 14, 19, 0.25);
}

.expertise-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.25s ease;
}

.expertise-item:hover::after { width: 100%; }
.expertise-item__index { color: var(--secondary); font-size: 0.875rem; letter-spacing: 0.16em; }
.expertise-item h3 { margin-top: 2rem; font-size: 1.1875rem; }
.expertise-item p { color: var(--text-muted); font-size: 0.9375rem; }

.capability-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 3.25rem);
}

.capability-pillar {
  min-height: 0;
  padding: clamp(1.35rem, 2.4vw, 2rem);
  border: 1px solid rgba(192, 193, 255, 0.14);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(32, 32, 50, 0.72), rgba(12, 12, 18, 0.7));
}

.capability-pillar__index,
.capability-operations span {
  color: var(--secondary);
  font-size: 0.875rem;
  font-weight: 750;
  letter-spacing: 0.13em;
}

.capability-pillar h3 { margin-top: 1.25rem; font-size: 1.25rem; }
.capability-pillar > p { color: var(--text-muted); font-size: 0.975rem; }

.capability-list {
  display: grid;
  gap: 0.55rem;
  margin: 1.3rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid rgba(192, 193, 255, 0.12);
}

.capability-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.45;
}

.capability-list li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 99px;
  background: var(--primary);
}

.capability-operations {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 1rem;
  border: 1px solid rgba(192, 193, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.capability-operations article {
  min-height: 0;
  padding: clamp(1.25rem, 2.2vw, 1.75rem);
  background: rgba(11, 11, 15, 0.32);
}

.capability-operations article + article { border-left: 1px solid rgba(192, 193, 255, 0.12); }
.capability-operations h3 { margin-top: 1rem; font-size: 1.0625rem; }
.capability-operations p { color: var(--text-muted); font-size: 0.9rem; }

.capability-stack {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 1rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border: 1px solid rgba(76, 215, 246, 0.2);
  border-radius: var(--radius-lg);
  background: linear-gradient(110deg, rgba(24, 27, 50, 0.88), rgba(13, 18, 30, 0.86));
}

.capability-stack__intro h3 { margin-top: 0.8rem; font-size: clamp(1.25rem, 2vw, 1.65rem); }
.capability-stack__intro > p:last-child { color: var(--text-muted); font-size: 0.95rem; }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.stack-group {
  min-height: 0;
  padding: 1rem 1.1rem;
  border-radius: 0.65rem;
  background: rgba(5, 7, 14, 0.32);
  box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.1);
}

.stack-group h4 {
  margin: 0;
  color: var(--secondary);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
}

.stack-group p { margin: 0.6rem 0 0; color: var(--text-dim); font-size: 0.875rem; line-height: 1.55; }

.career-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.career-intro { position: sticky; top: 7rem; }
.career-note { margin-top: 2.5rem; padding: 1.4rem 1.5rem; background: var(--surface-low); border-radius: var(--radius-lg); box-shadow: inset 3px 0 0 var(--secondary); }
.career-note strong { color: var(--secondary); font-size: 0.875rem; letter-spacing: 0.15em; text-transform: uppercase; }
.career-note p { margin-top: 0.55rem; color: var(--text-muted); }

.timeline { position: relative; margin: 0; padding-left: 2rem; list-style: none; }
.timeline::before { content: ""; position: absolute; left: 0.35rem; top: 0.45rem; bottom: 1rem; width: 1px; background: linear-gradient(var(--secondary), rgba(192, 193, 255, 0.12)); }
.timeline-item { position: relative; padding: 0 0 2.75rem 1.4rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -2rem; top: 0.45rem; width: 0.75rem; height: 0.75rem; border-radius: 50%; background: var(--surface-highest); box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px rgba(192, 193, 255, 0.2); }
.timeline-item--current::before { background: var(--secondary); box-shadow: 0 0 0 4px var(--bg), 0 0 1.4rem rgba(76, 215, 246, 0.65); }
.timeline-item__date { margin-bottom: 0.45rem; color: var(--secondary); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.08em; }
.timeline-item h3 { font-size: 1.1875rem; }
.timeline-item p:last-child { color: var(--text-muted); }

.build-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.build-card {
  grid-column: span 6;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  padding: clamp(1.6rem, 3.5vw, 3rem);
  background: var(--surface-low);
  box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.1);
}

.build-card:first-child { grid-column: span 12; min-height: 0; }
.build-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.7; }
.build-card--aikus::before { background: radial-gradient(circle at 82% 18%, rgba(76, 215, 246, 0.25), transparent 35%), linear-gradient(130deg, rgba(99, 102, 241, 0.2), transparent 54%); }
.build-card--omyqt::before { background: radial-gradient(circle at 80% 16%, rgba(128, 131, 255, 0.24), transparent 38%); }
.build-card--invit::before { background: radial-gradient(circle at 80% 16%, rgba(76, 215, 246, 0.18), transparent 38%); }
.build-card > * { position: relative; z-index: 1; }
.build-card__topline { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; color: var(--text-dim); font-size: 0.875rem; letter-spacing: 0.06em; text-transform: uppercase; }
.status-pill { display: inline-flex; align-items: center; min-height: 2rem; padding: 0.3rem 0.75rem; border-radius: 999px; color: var(--text); background: rgba(14, 14, 19, 0.65); box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.14); }
.build-card__body { margin-top: clamp(2rem, 4vw, 3.5rem); }
.build-card h3 { font-size: clamp(1.875rem, 3.6vw, 3.125rem); margin-bottom: 0.65rem; }
.build-card__summary { max-width: 62ch; color: var(--text-muted); font-size: 1.0625rem; }
.build-card__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin-top: 1rem; }
.build-card__links a, .project-experience__links a { display: inline-flex; align-items: center; min-height: 2.75rem; color: var(--secondary); font-size: 0.9375rem; font-weight: 700; text-underline-offset: 0.28rem; }
.build-card__links a::after, .project-experience__links a::after { content: "↗"; margin-left: 0.35rem; }
.build-card__details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.9rem; margin-top: 1.75rem; }
.build-card__details > div { min-height: 7.5rem; padding: 1rem; border-radius: 0.85rem; background: rgba(11, 11, 15, 0.36); box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.1); }
.build-card__details dt { color: var(--secondary); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.build-card__details dd { margin: 0.7rem 0 0; color: var(--text-muted); font-size: 0.9375rem; line-height: 1.55; }

.project-experience { margin-top: clamp(2.5rem, 5.5vw, 4.5rem); }
.project-experience > h3 { color: var(--text-muted); font-size: 1rem; letter-spacing: 0.12em; text-transform: uppercase; }
.project-experience__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.project-experience__grid article { min-height: 16rem; display: flex; flex-direction: column; padding: 1.6rem; border-radius: var(--radius-lg); background: var(--surface); }
.project-experience__grid article p { color: var(--text-muted); }
.project-experience__grid article a { margin-top: auto; align-self: flex-start; }
.project-experience__links { display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; margin-top: auto; padding-top: 1rem; }
.project-meta { color: var(--secondary) !important; font-size: 0.875rem; letter-spacing: 0.1em; }

.systems-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-top: clamp(2.5rem, 5vw, 4rem); }
.system-card { position: relative; min-height: 19rem; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.5rem); overflow: hidden; border-radius: var(--radius-lg); background: var(--surface-lowest); box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.1); }
.system-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.9; }
.system-card--orca::before { background: radial-gradient(circle at 88% 14%, rgba(76, 215, 246, 0.22), transparent 36%); }
.system-card--qa::before { background: radial-gradient(circle at 86% 16%, rgba(99, 102, 241, 0.22), transparent 34%); }
.system-card--graos::before { background: radial-gradient(circle at 82% 16%, rgba(157, 121, 255, 0.2), transparent 36%); }
.system-card--ip::before { background: radial-gradient(circle at 84% 14%, rgba(76, 215, 246, 0.16), transparent 36%), linear-gradient(135deg, rgba(99, 102, 241, 0.12), transparent 60%); }
.system-card > * { position: relative; z-index: 1; }
.system-card__topline { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; color: var(--text-dim); font-size: 0.875rem; letter-spacing: 0.06em; text-transform: uppercase; }
.system-status { display: inline-flex; align-items: center; min-height: 2rem; padding: 0.3rem 0.75rem; border-radius: 999px; color: var(--text); background: rgba(14, 14, 19, 0.65); box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.14); }
.system-card h3 { margin-top: clamp(2.5rem, 5vw, 4rem); font-size: clamp(1.5rem, 3vw, 2.25rem); }
.system-card p { color: var(--text-muted); font-size: 1rem; }
.system-card__foot { margin-top: auto; padding-top: 1.5rem; color: var(--secondary) !important; font-size: 0.875rem !important; letter-spacing: 0.03em; }

.home-v4 .table-scroll { margin-inline: -1rem; padding-inline: 1rem; }
.home-v4 table { min-width: 700px; }
.home-v4 th, .home-v4 td { padding-block: 1rem; }
.home-v4 tbody tr { background: transparent; }
.home-v4 tbody tr:nth-child(odd) { background: rgba(27, 27, 32, 0.72); }

.public-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 2.75rem; }
.public-grid article { min-height: 15rem; display: flex; flex-direction: column; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--surface-lowest); }
.public-grid article > span { color: var(--secondary); font-size: 0.875rem; letter-spacing: 0.09em; }
.public-grid article h3 { margin-top: 2rem; font-size: 1.125rem; }
.public-grid article p { color: var(--text-muted); font-size: 0.9375rem; }
.public-grid article a { margin-top: auto; align-self: flex-start; }

.press-layout { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.press-list { display: grid; }
.press-list a { min-height: 5.25rem; display: grid; grid-template-columns: 6.5rem 1fr auto; align-items: center; gap: 1rem; padding: 1rem; color: var(--text-muted); text-decoration: none; border-bottom: 1px solid rgba(192, 193, 255, 0.12); }
.press-list a:first-child { border-top: 1px solid rgba(192, 193, 255, 0.12); }
.press-list a:hover { color: var(--text); background: rgba(192, 193, 255, 0.05); }
.press-list__type { color: var(--secondary); font-size: 0.875rem; letter-spacing: 0.1em; }
.press-list strong { color: var(--text); }
.press-list a > span:last-child { text-align: right; font-size: 0.875rem; }

.contact-section { position: relative; overflow: hidden; }
.contact-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(99, 102, 241, 0.13), transparent 52%), radial-gradient(circle at 88% 30%, rgba(76, 215, 246, 0.12), transparent 28%); pointer-events: none; }
.contact-layout { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(3rem, 8vw, 8rem); }
.contact-fallback { margin-top: 1.5rem; color: var(--text-muted); font-size: 0.9375rem; }
.contact-types { display: grid; gap: 1rem; }
.contact-types article { display: grid; grid-template-columns: 2.5rem 1fr; column-gap: 1rem; padding: 1.25rem; border-radius: var(--radius-lg); background: rgba(27, 27, 32, 0.82); }
.contact-types article > span { grid-row: span 2; color: var(--secondary); font-size: 0.875rem; letter-spacing: 0.1em; }
.contact-types h3 { margin: 0 0 0.35rem; font-size: 1.0625rem; }
.contact-types p { color: var(--text-muted); font-size: 0.9375rem; }

/* --- Content / project archive ------------------------------------------- */

.content-page {
  background:
    radial-gradient(circle at 88% 4%, rgba(76, 215, 246, 0.08), transparent 24rem),
    var(--bg);
}

.content-page .hero--content { padding-block: clamp(3rem, 6vw, 5.25rem); }
.content-page .hero--content h1 { max-width: 20ch; }
.content-page .hero--content .lead { max-width: 61ch; }

.content-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
}

.content-filter { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.content-filter a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  color: var(--text-muted);
  text-decoration: none;
  box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.16);
}
.content-filter a[aria-current="page"], .content-filter a:hover { color: var(--text); background: rgba(99, 102, 241, 0.16); }
.content-result { margin-top: 1.25rem; color: var(--secondary); font-size: 0.9375rem; }

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.content-category {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border-left: 3px solid var(--secondary);
  background: rgba(99, 102, 241, 0.08);
}
.content-category[hidden] { display: none; }
.content-category__eyebrow { margin: 0; color: var(--secondary); font-size: 0.875rem; font-weight: 800; letter-spacing: 0.12em; }
.content-category h3 { margin: 0.55rem 0 0; font-size: clamp(1.35rem, 2vw, 1.8rem); }
.content-category p:last-child { max-width: 62ch; margin: 0.55rem 0 0; color: var(--text-muted); }

.content-card {
  display: flex;
  flex-direction: column;
  min-height: 19rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--surface-lowest);
  box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.1);
}
.content-card[hidden] { display: none; }
.content-card__meta { color: var(--secondary); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.1em; }
.content-card h3 { margin-top: 1.25rem; font-size: 1.25rem; }
.content-card > p:not(.content-card__meta) { color: var(--text-muted); }
.content-card__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.8rem; }
.content-card__tags li { padding: 0.25rem 0.5rem; color: var(--text-dim); border-radius: 999px; background: rgba(192, 193, 255, 0.07); font-size: 0.875rem; }
.content-card__links { display: flex; flex-wrap: wrap; gap: 0.35rem 0.85rem; margin-top: auto; padding-top: 1rem; }
.content-card__links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--secondary);
  font-size: 0.9375rem;
  font-weight: 700;
  text-underline-offset: 0.28rem;
}
.content-card__links a::after { content: "↗"; margin-left: 0.35rem; }

/* --- Insights / reusable article contract ------------------------------- */

.insights-grid .content-card h3 a {
  color: var(--text);
  text-decoration: none;
  justify-content: flex-start;
}
.insights-grid .content-card h3 a:hover { color: var(--secondary); }

.article-meta { color: var(--text-dim); margin-top: 1.5rem; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(15rem, 0.34fr) minmax(0, 0.66fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.article-summary {
  padding: 1.5rem;
  background: var(--surface-high);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}
.article-summary ol { margin: 0; padding-left: 1.25rem; }
.article-summary li + li { margin-top: 0.5rem; }
.article-body { max-width: 46rem; }
.article-body h2 { margin-top: 2.75rem; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { color: var(--text-muted); }
.article-body code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  color: var(--secondary);
  background: var(--surface-high);
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
}

.lecture-platform-link { margin: 1.25rem 0 0; }
.lecture-platform-link a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  gap: 0.55rem;
  padding: 0.6rem 1rem;
  color: var(--text);
  border: 1px solid rgba(76, 215, 246, 0.7);
  border-radius: 0.7rem;
  background: rgba(76, 215, 246, 0.09);
  font-weight: 800;
  text-decoration: none;
}
.lecture-platform-link a:hover { background: rgba(76, 215, 246, 0.17); }

.content-publishing {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.content-publishing > p { max-width: 58ch; color: var(--text-muted); font-size: 1.0625rem; }

.project-breadcrumb { margin-bottom: 0.8rem; color: var(--text-dim); font-size: 0.9375rem; }
.project-breadcrumb a { display: inline-flex; align-items: center; min-height: 2.75rem; color: var(--secondary); text-underline-offset: 0.25rem; }
.project-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(17rem, 0.9fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.project-facts { display: grid; gap: 0.75rem; margin: 0; }
.project-facts > div { padding: 1.1rem 1.2rem; border-radius: 0.85rem; background: rgba(11, 11, 15, 0.38); box-shadow: inset 0 0 0 1px rgba(192, 193, 255, 0.1); }
.project-facts dt { color: var(--secondary); font-size: 0.875rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.project-facts dd { margin: 0.55rem 0 0; color: var(--text-muted); line-height: 1.55; }
.detail-panels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.detail-panels article { min-height: 14rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--surface-low); }
.detail-panels h2 { font-size: 1.25rem; }
.detail-panels p { color: var(--text-muted); }

@media (max-width: 1060px) {
  .home-v4 .nav a { padding-inline: 0.55rem; font-size: 0.875rem; }
  .expertise-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-pillar:last-child { grid-column: 1 / -1; }
  .public-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .home-v4 .nav a { padding-inline: 0.75rem; font-size: 1rem; }
  .hero__grid,
  .career-layout,
  .press-layout,
  .contact-layout { grid-template-columns: minmax(0, 1fr); }
  .career-intro { position: static; }
  .portrait { width: min(68vw, 16rem); justify-self: start; }
  .build-card,
  .build-card:first-child { grid-column: span 12; }
  .build-card__details { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .project-experience__grid { grid-template-columns: minmax(0, 1fr); }
  .project-experience__grid article { min-height: 14rem; }
  .capability-stack { grid-template-columns: minmax(0, 1fr); }
  .content-publishing, .project-detail-grid, .article-layout { grid-template-columns: minmax(0, 1fr); }
  .detail-panels { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 620px) {
  .home-v4 .hero--profile { padding-block: 2rem 2.5rem; }
  .home-v4 .hero h1 { font-size: 2.125rem; }
  .hero__grid { gap: 1.5rem; }
  .portrait { width: 9.5rem; }
  .home-v4 .eyebrow { letter-spacing: 0.11em; }
  .expertise-grid { grid-template-columns: minmax(0, 1fr); }
  .expertise-item { min-height: 13rem; }
  .capability-pillars,
  .capability-operations,
  .stack-grid { grid-template-columns: minmax(0, 1fr); }
  .capability-pillar:last-child { grid-column: auto; }
  .capability-operations article + article { border-left: 0; border-top: 1px solid rgba(192, 193, 255, 0.12); }
  .build-card__topline { align-items: flex-start; flex-direction: column; }
  .build-card__details { grid-template-columns: minmax(0, 1fr); }
  .build-card__details > div { min-height: 0; }
  .systems-grid { grid-template-columns: minmax(0, 1fr); }
  .system-card { min-height: 17rem; }
  .system-card__topline { align-items: flex-start; flex-direction: column; }
  .public-grid { grid-template-columns: minmax(0, 1fr); }
  .public-grid article { min-height: 12rem; }
  .content-heading { align-items: flex-start; flex-direction: column; }
  .content-grid { grid-template-columns: minmax(0, 1fr); }
  .content-card { min-height: 0; }
  .press-list a { grid-template-columns: 1fr auto; gap: 0.35rem 1rem; }
  .press-list__type { grid-column: 1 / -1; }
  .contact-types article { grid-template-columns: 2rem 1fr; }
}