/*!
 * Triumph Systems — site stylesheet
 * Design system: "Obsidian Flux" (see /design/design-system.md)
 * Plain hand-written CSS — no build step, no framework, no runtime deps.
 */

/* ---------------------------------------------------------------------
   1. Fonts (self-hosted, variable — no third-party font requests)
   ------------------------------------------------------------------ */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/assets/fonts/inter-variable-latin.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url('/assets/fonts/jetbrains-mono-variable-latin.woff2') format('woff2');
}

/* ---------------------------------------------------------------------
   2. Design tokens
   ------------------------------------------------------------------ */
:root {
  /* Color: Obsidian Flux */
  --color-surface: #0f131e;
  --color-surface-dim: #0f131e;
  --color-surface-bright: #353945;
  --color-surface-container-lowest: #0a0e19;
  --color-surface-container-low: #171b27;
  --color-surface-container: #1b1f2b;
  --color-surface-container-high: #262a36;
  --color-surface-container-highest: #313441;
  --color-on-surface: #dfe2f2;
  --color-on-surface-variant: #c2c6d6;
  --color-outline: #8c909f;
  --color-outline-variant: #424754;

  --color-primary: #adc6ff;
  --color-on-primary: #002e6a;
  --color-primary-container: #4d8eff;
  --color-secondary: #4cd7f6;
  --color-on-secondary: #003640;
  --color-secondary-container: #03b5d3;
  --color-tertiary: #c4c7c9;

  --color-error: #ffb4ab;
  --color-on-error: #690005;
  --color-error-container: #93000a;

  --color-background: #0f131e;
  --color-on-background: #dfe2f2;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;

  /* Spacing */
  --space-base: 8px;
  --section-gap: clamp(64px, 8vw, 120px);
  --grid-margin: clamp(20px, 4vw, 24px);
  --grid-gutter: 24px;
  --container-max: 1280px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;

  color-scheme: dark;
}

/* ---------------------------------------------------------------------
   3. Reset / base
   ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem; /* keep in-page anchor targets clear of the fixed header */
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-background);
  color: var(--color-on-background);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }

::selection { background: var(--color-secondary-container); color: var(--color-on-secondary); }

/* Respect reduced-motion preferences */
@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;
    scroll-behavior: auto !important;
  }
}

/* Consistent, visible keyboard focus ring everywhere (WCAG 2.4.7) */
:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
a:focus-visible, button:focus-visible { outline-offset: 4px; }

/* ---------------------------------------------------------------------
   4. Accessibility helpers
   ------------------------------------------------------------------ */
/* The <symbol> sprite sheet inlined at the top of every page's <body> —
   never rendered directly, only referenced via <use>. This used to be an
   inline style="display:none", but the page's CSP (style-src 'self')
   silently blocks inline styles, so it was rendering as a bare 300x150
   block pushing everything else down. */
.icon-sprite { display: none; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--color-secondary);
  color: var(--color-on-secondary);
  font-family: var(--font-mono);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast) var(--ease-standard);
}
.skip-link:focus { top: 1rem; }

.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

/* ---------------------------------------------------------------------
   5. Layout
   ------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--grid-margin);
}

.section { padding-block: var(--section-gap); }
.section--tight { padding-block: calc(var(--section-gap) * 0.6); }
.section--surface { background: var(--color-surface-container-low); }
.section--surface-alt { background: var(--color-surface-container); }
.section--bordered { border-top: 1px solid rgba(255,255,255,0.05); }
.section--relative { position: relative; overflow: hidden; }
.section__content { position: relative; z-index: 1; }

.stack { display: flex; flex-direction: column; }
.gap-xs { gap: 0.5rem; }
.gap-sm { gap: 1rem; }
.gap-md { gap: 1.5rem; }
.gap-lg { gap: 2.5rem; }

.grid {
  display: grid;
  gap: var(--grid-gutter);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.split {
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 960px) {
  .split { grid-template-columns: 1fr 1fr; gap: 4rem; }
  .split--reverse { direction: rtl; }
  .split--reverse > * { direction: ltr; }
}

/* ---------------------------------------------------------------------
   6. Typography
   ------------------------------------------------------------------ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}
.eyebrow__bar { width: 2rem; height: 1px; background: currentColor; }
.eyebrow__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.display {
  font-size: clamp(2.5rem, 1.85rem + 2.7vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--color-on-surface);
}

.headline--sm { font-size: 1.05rem; }

.headline {
  font-size: clamp(1.5rem, 1.3rem + 0.8vw, 2rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 600;
  color: var(--color-on-surface);
}

.lede {
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  max-width: 42em;
}

.text-variant { color: var(--color-on-surface-variant); }
.text-secondary { color: var(--color-secondary); }
.text-primary { color: var(--color-primary); }
.text-error { color: var(--color-error); }
.text-mono { font-family: var(--font-mono); }
.text-balance { text-wrap: balance; }

.text-gradient {
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------------------------------------------------------------------
   7. Buttons
   ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: box-shadow var(--duration-base) var(--ease-standard),
              background-color var(--duration-base) var(--ease-standard),
              border-color var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}
.btn .icon { transition: transform var(--duration-base) var(--ease-standard); }
.btn:hover .icon { transform: translateX(2px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn--primary:hover { box-shadow: 0 0 24px rgba(173,198,255,0.4), inset 0 1px 0 rgba(255,255,255,0.25); }

.btn--secondary {
  background: transparent;
  color: var(--color-secondary);
  box-shadow: inset 0 0 0 1px var(--color-secondary);
}
.btn--secondary:hover { background: var(--color-secondary); color: var(--color-on-secondary); box-shadow: 0 0 24px rgba(76,215,246,0.4); }

.btn--ghost {
  background: transparent;
  color: var(--color-on-surface);
  box-shadow: inset 0 0 0 1px var(--color-outline);
}
.btn--ghost:hover { box-shadow: inset 0 0 0 1px var(--color-primary), 0 0 12px rgba(173,198,255,0.2); }

.btn--block { width: 100%; }

/* ---------------------------------------------------------------------
   8. Header / primary nav
   ------------------------------------------------------------------ */
/* position: fixed rather than sticky — deliberately, not just a swap.
   The homepage hides this header at the very top of the page (see
   initHeroHeaderHide in main.js) so its hero image/canvas can render
   full-bleed underneath, unobstructed, before the user scrolls. A
   sticky element still reserves its own height in normal flow even
   while visually hidden, which would leave a dead gap above the hero;
   fixed removes it from flow entirely, so #main's padding-top (below)
   is the only thing holding its place, and that's cancelled out
   specifically on the homepage. */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(15, 19, 30, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: opacity var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}
/* Toggled by initHeroHeaderHide() in main.js — homepage only, active
   while scrollY is at the top. Slides up out of view rather than just
   fading in place — a plain opacity crossfade read as barely-there
   against a busy, moving background like the hero image. */
.site-header--hidden {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
}

/* Compensates for .site-header now being removed from flow (position:
   fixed) instead of pushing content down naturally like the old
   sticky positioning did. Cancelled on the homepage specifically,
   where the hero is meant to extend under the header instead. */
#main { padding-top: 76px; }
#main:has(.hero--intro) { padding-top: 0; }

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--grid-margin);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-on-surface);
}
.brand__mark { width: 32px; height: 32px; }

.primary-nav__list {
  display: none;
  align-items: center;
  gap: 2rem;
}
.primary-nav__link {
  font-size: 0.95rem;
  color: var(--color-on-surface-variant);
  padding-block: 0.5rem;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-standard);
}
.primary-nav__link:hover { color: var(--color-on-surface); }
.primary-nav__link[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom-color: var(--color-primary);
}

/* "Solutions" disclosure — a native <details> that reads as a dropdown on
   desktop and an accordion inside the mobile panel. Works with no JS
   (click/Enter toggles it); main.js only adds hover-open, Escape,
   click-away, and close-on-navigate. */
.nav-solutions__summary {
  display: block;
  list-style: none;
  cursor: pointer;
}
.nav-solutions__summary::-webkit-details-marker { display: none; }
.nav-solutions__chevron {
  width: 0.8em;
  height: 0.8em;
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-standard);
}
.nav-solutions[open] > .nav-solutions__summary .nav-solutions__chevron {
  transform: rotate(180deg);
}
@keyframes nav-solutions-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
}
.nav-toggle:hover { background: var(--color-surface-container); }
.nav-toggle .icon { width: 1.5rem; height: 1.5rem; }
.nav-toggle__icon--close { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon--menu { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon--close { display: block; }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem var(--grid-margin) 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  background: var(--color-surface-dim);
}
.mobile-nav[data-open="true"] { display: flex; }
.mobile-nav__link {
  padding: 0.85rem 0.25rem;
  font-size: 1.05rem;
  color: var(--color-on-surface-variant);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-nav__link[aria-current="page"] { color: var(--color-primary); font-weight: 700; }

/* Mobile: "Solutions" as an expanding accordion row */
.mobile-nav__group .nav-solutions__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.25rem;
  font-size: 1.05rem;
  color: var(--color-on-surface-variant);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-nav__group[data-active] > .nav-solutions__summary {
  color: var(--color-primary);
  font-weight: 700;
}
.mobile-nav__group .nav-solutions__panel {
  display: flex;
  flex-direction: column;
  padding-left: 0.9rem;
}
.mobile-nav__group[open] > .nav-solutions__panel {
  animation: nav-solutions-drop var(--duration-base) var(--ease-standard);
}
.mobile-nav__sublink { font-size: 0.98rem; }
.mobile-nav__sublink:last-child { border-bottom: 0; }

@media (min-width: 960px) {
  .primary-nav__list { display: flex; }
  .nav-toggle, .mobile-nav { display: none; }

  /* Desktop: "Solutions" as a dropdown */
  .primary-nav__item--menu { position: relative; }
  .primary-nav__item--menu .nav-solutions__summary {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }
  .nav-solutions[open] > .nav-solutions__summary { color: var(--color-on-surface); }
  .nav-solutions[data-active] > .nav-solutions__summary {
    color: var(--color-primary);
    font-weight: 700;
    border-bottom-color: var(--color-primary);
  }

  .primary-nav__item--menu .nav-solutions__panel {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;            /* "Solutions" sits near the viewport's right edge */
    left: auto;
    z-index: 60;
    min-width: 14rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.4rem;
    border-radius: var(--radius-md);
    background: var(--color-surface-container-high);
    border: 1px solid var(--color-outline-variant);
    box-shadow: 0 24px 48px -28px rgba(0,0,0,0.75);
  }
  .primary-nav__item--menu .nav-solutions[open] > .nav-solutions__panel {
    animation: nav-solutions-drop var(--duration-base) var(--ease-standard);
  }
  /* Invisible bridge across the gap to the trigger, so moving the pointer
     from "Solutions" down to the panel never leaves a hoverable area. */
  .primary-nav__item--menu .nav-solutions__panel::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -0.5rem;
    height: 0.5rem;
  }

  .nav-solutions__link {
    display: block;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-on-surface-variant);
    white-space: nowrap;
    transition: background-color var(--duration-fast) var(--ease-standard),
                color var(--duration-fast) var(--ease-standard);
  }
  .nav-solutions__link:hover {
    background: var(--color-surface-container-highest);
    color: var(--color-on-surface);
  }
  .nav-solutions__link:focus-visible { outline-offset: -2px; }
  .nav-solutions__link[aria-current="page"] { color: var(--color-primary); font-weight: 700; }
}

/* ---------------------------------------------------------------------
   9. Hero / decorative backgrounds
   ------------------------------------------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-gap);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 65% 30%, black 40%, transparent 85%);
  mask-image: radial-gradient(ellipse 70% 60% at 65% 30%, black 40%, transparent 85%);
}

.glow {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(100px);
}
.glow--primary { background: rgba(77,142,255,0.16); }
.glow--secondary { background: rgba(76,215,246,0.14); }

.hero__content { position: relative; z-index: 1; }

/* Homepage intro hero: full-bleed canvas backdrop, no product pitch. */
.hero--intro {
  min-height: calc(100svh - 76px + 14vh);
  padding-block: var(--section-gap);
  background: var(--color-surface-container-lowest);
}
.hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Not the default 50% (centered) — deliberately. object-fit: cover's
     crop math scales *more* aggressively as the container gets wider
     relative to the image's own 1.6:1 ratio (to guarantee full
     coverage), which pushes the disk both bigger and further down at
     wide viewports; centered crop only trims it symmetrically, it
     doesn't compensate for that. At 85%, the crop keeps mostly the
     image's top and trims mostly from the bottom, which keeps the disk
     sitting well clear of .hero__brand (title + buttons) below it
     across the full range — verified narrow, standard, wide, and
     ultrawide (700 to 2560px) all leave a clean gap, not just the
     specific width this got tuned against. */
  object-position: center 85%;
}

/* Pinned to the page's left edge rather than centered over the hero
   image. The image's bright band lands at a different height depending
   on viewport (object-fit: cover crops it differently per aspect
   ratio — notably on narrow/tall mobile viewports), so this can't
   assume it's always sitting over a dark area; the text-shadow keeps it
   legible regardless. */
.hero__eyebrow {
  position: absolute;
  z-index: 1;
  left: var(--grid-margin);
  top: 32%;
  max-width: 21ch;
  font-size: clamp(0.95rem, 0.85rem + 0.3vw, 1.05rem);
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  text-shadow: 0 2px 16px rgba(10,14,25,0.9), 0 1px 3px rgba(10,14,25,0.9);
}

/* Anchored from the top (fixed % rather than centered/bottom-anchored)
   so its position relative to the hero image holds steady across
   viewport heights instead of drifting into it. */
.hero__brand {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 70%;
  transform: translateX(-50%);
  width: 100%;
  padding-inline: var(--grid-margin);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}
.hero__wordmark {
  font-size: clamp(2.5rem, 1.6rem + 4.3vw, 6rem);
  line-height: 0.94;
  font-weight: 800;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  text-wrap: balance;
  color: var(--color-on-surface);
  text-shadow: 0 4px 24px rgba(10,14,25,0.7);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: clamp(20px, 3vw, 36px);
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  opacity: 0.75;
  transition: opacity var(--duration-fast) var(--ease-standard);
}
.scroll-cue:hover { opacity: 1; }
.scroll-cue svg { animation: bob 2.2s ease-in-out infinite; }

/* Below this height, the hero's own content (wordmark + CTA buttons,
   positioned from the top at .hero__brand's top:70%) runs into this
   bottom-pinned hint — it's a nice-to-have, not load-bearing, so it's
   the one that gives way rather than letting the two visibly overlap.
   960px, not a rounder-looking number, because the actual collision
   was measured (getBoundingClientRect, not eyeballed) up to a 12px
   overlap at 900px height and still touching at 949px — clear by 950px.
   An earlier pass at 850px missed this range entirely: it was correct
   right at 850 and again from 950 up, just not the gap in between. */
@media (max-height: 960px) {
  .scroll-cue { display: none; }
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ---------------------------------------------------------------------
   10. Cards & components
   ------------------------------------------------------------------ */
.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-surface-container);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard);
}
.card__footer { margin-top: auto; padding-top: 1.5rem; }
.card--interactive:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -20px rgba(0,0,0,0.6); }
.card--low { background: var(--color-surface-container-low); }
.card--flat { background: var(--color-surface); }
.card--highlighted { border-color: rgba(173,198,255,0.25); box-shadow: 0 0 30px rgba(77,142,255,0.08); }

/* Card-free capability list (replaces boxed .card grid on the homepage) */
.capability-list { display: flex; flex-direction: column; }
.capability-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding-block: 2.25rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.capability-row:last-child { border-bottom: 1px solid rgba(255,255,255,0.08); }
@media (min-width: 800px) {
  .capability-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 3rem; }
}
.capability-row__head { display: flex; align-items: center; gap: 0.75rem; }
.capability-row__head .icon { width: 1.4rem; height: 1.4rem; }
.capability-row__body { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }

.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem; height: 3rem;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-primary);
}
.icon-tile .icon { width: 1.5rem; height: 1.5rem; }
.icon-tile--secondary { color: var(--color-secondary); }
.icon-tile--tertiary { color: var(--color-tertiary); }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-on-surface-variant);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.stat {
  position: relative;
  overflow: hidden;
  padding: 1.75rem;
  background: var(--color-surface-container);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
}
.stat__value { font-size: clamp(1.75rem, 1.5rem + 1vw, 2.25rem); font-weight: 700; color: var(--color-on-surface); }
.stat__label { display: block; margin-top: 0.4rem; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-outline); }

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(173,198,255,0.1);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-secondary); }

/* Timeline (Custom Software process) */
.timeline { position: relative; }
.timeline__list {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .timeline__list { grid-template-columns: repeat(4, 1fr); }
  .timeline__item:nth-child(2), .timeline__item:nth-child(4) { margin-top: 3rem; }
}
.timeline__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem; height: 3rem;
  border-radius: var(--radius-md);
  background: var(--color-background);
  box-shadow: 0 0 15px rgba(173,198,255,0.2), inset 0 0 0 1px rgba(173,198,255,0.3);
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}
.timeline__item--final .timeline__index {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: 0 0 20px rgba(173,198,255,0.5);
}
.timeline__item--final .timeline__title { color: var(--color-primary); }
.timeline__title { font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 0.5rem; }

/* Comparison panels (AI Resume Matcher) */
.compare-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.compare-card--muted { opacity: 0.65; filter: grayscale(0.6); transition: opacity var(--duration-base) var(--ease-standard), filter var(--duration-base) var(--ease-standard); }
.compare-card--muted:hover { opacity: 1; filter: grayscale(0); }
.compare-card__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.compare-card--good { border: 1px solid rgba(173,198,255,0.2); box-shadow: 0 0 30px rgba(77,142,255,0.08); }
.compare-card--good .compare-card__heading { color: var(--color-primary); }
.compare-card--muted .compare-card__heading { color: var(--color-error); }
.compare-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--color-surface-container);
}
.compare-row + .compare-row { margin-top: 1rem; }
.compare-row--accent-primary { border-left: 2px solid var(--color-primary); background: var(--color-surface-container-high); }
.compare-row--accent-secondary { border-left: 2px solid var(--color-secondary); background: var(--color-surface-container-high); }
.compare-row__title { font-family: var(--font-mono); font-size: 0.85rem; color: var(--color-on-surface); margin-bottom: 0.25rem; }
.compare-row__body { font-size: 0.9rem; color: var(--color-on-surface-variant); }

/* Match-score readout panel */
.readout {
  padding: 1.5rem;
  background: rgba(15,19,30,0.85);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
}
.readout__row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.readout__label { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; color: var(--color-tertiary); }
.readout__value { font-family: var(--font-mono); color: var(--color-secondary); }
.readout__bar { height: 8px; border-radius: var(--radius-full); background: var(--color-surface-container-highest); overflow: hidden; }
.readout__bar-fill { height: 100%; background: var(--color-secondary); box-shadow: 0 0 8px rgba(76,215,246,0.8); }
.readout__metrics { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.readout__metric { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-on-surface-variant); }
.readout__metric span:last-child { color: var(--color-primary); }

/* Pillars (About / Custom Software) */
.pillar { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.25rem; }
.pillar__ring {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5.5rem; height: 5.5rem;
  border-radius: 50%;
  background: var(--color-surface-container);
  border: 1px solid rgba(255,255,255,0.1);
}
.pillar__ring .icon { width: 1.75rem; height: 1.75rem; }

/* Feature graphic panel (hero visualization block) */
.panel {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-container-low);
  border: 1px solid rgba(255,255,255,0.08);
  aspect-ratio: 1 / 1;
}
.panel--portrait { aspect-ratio: 4 / 5; }
.panel--wide { aspect-ratio: 16 / 10; }

/* ---------------------------------------------------------------------
   11. Contact
   ------------------------------------------------------------------ */
.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.form-field { display: flex; flex-direction: column; gap: 0.5rem; }

/* Resume Matcher inquiry form: a compact, centred card — two short fields
   side by side once there's room. */
.inquiry-form {
  width: 100%;
  max-width: 32rem;
  text-align: left;
}
.inquiry-form__fields { display: grid; gap: 1rem; }
@media (min-width: 540px) {
  .inquiry-form__fields { grid-template-columns: 1fr 1fr; }
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.form-input {
  padding: 0.85rem 1rem;
  background: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  resize: vertical;
  transition: border-color var(--duration-base) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard);
}
.form-input::placeholder { color: var(--color-outline); }
.form-input:hover { border-color: var(--color-outline); }
.form-input:focus-visible {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(76,215,246,0.2);
}

/* Off-screen, not display:none — a bot that checks visibility still finds
   it fillable, which is the point. See markup comment for why it isn't
   aria-hidden. */
.form-field--honeypot {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  left: -9999px;
}

.form-status {
  min-height: 1.2em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.form-status--pending { color: var(--color-on-surface-variant); }
.form-status--ok { color: var(--color-secondary); }
.form-status--error { color: var(--color-error); }

.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* ---------------------------------------------------------------------
   12. Footer
   ------------------------------------------------------------------ */
.site-footer {
  background: var(--color-surface-container);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-block: var(--section-gap);
}
.footer-grid {
  display: grid;
  gap: var(--grid-gutter);
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { color: var(--color-on-surface-variant); transition: color var(--duration-fast) var(--ease-standard); }
.footer-links a:hover { color: var(--color-secondary); }
.footer-links__group { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-outline);
}
.footer-links--nested { padding-left: 0.85rem; }
.footer-bottom {
  max-width: var(--container-max);
  margin: 3.5rem auto 0;
  padding: 2rem var(--grid-margin) 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-outline);
}
.footer-legal-links { display: flex; gap: 1.5rem; }
.footer-legal-links a:hover { color: var(--color-on-surface); }

/* ---------------------------------------------------------------------
   13. Utility / misc pages (404, privacy)
   ------------------------------------------------------------------ */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.5rem;
}
.prose { max-width: 68ch; }
.prose h2 { font-size: 1.35rem; margin-top: 2.5rem; margin-bottom: 0.75rem; color: var(--color-on-surface); }
.prose p, .prose li { color: var(--color-on-surface-variant); margin-bottom: 1rem; }
.prose ul { list-style: disc; padding-left: 1.4rem; }
.prose a { color: var(--color-secondary); text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------------------------------------------
   14. Layout utilities (kept intentionally small — real component
   classes above cover most cases; these are for one-off arrangement
   so we never need inline style="" attributes, which keeps the CSP
   style-src free of 'unsafe-inline').
   ------------------------------------------------------------------ */
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.row--start { align-items: flex-start; }
.row__body { flex: 1 1 200px; min-width: 200px; }
.mx-auto { margin-inline: auto; }
.icon--tertiary { color: var(--color-tertiary); }
.uppercase { text-transform: uppercase; }
.mt-icon { margin-top: 1.25rem; }
.grid-span-full { grid-column: 1 / -1; }
.split--start { align-items: start; }
.readout__bar-fill--demo { width: 98.4%; }
.row--between { justify-content: space-between; align-items: flex-end; }

.code-block {
  background: var(--color-surface-dim);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(173,198,255,0.3);
  overflow-x: auto;
  font-size: 0.75rem;
  color: var(--color-primary);
  white-space: pre;
}
.text-center { text-align: center; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.max-w-sm { max-width: 260px; }
.max-w-content { max-width: 42em; }

.display--section { font-size: clamp(2rem, 1.7rem + 1.5vw, 2.75rem); }

.chip--center { justify-content: center; padding-block: 0.75rem; }
.grid--gap-sm { gap: 1rem; }

.glow--tl { top: -200px; left: -200px; width: 600px; height: 600px; }
.glow--tr { top: -180px; right: -10%; width: 620px; height: 620px; }
.glow--br { bottom: -180px; right: -160px; width: 600px; height: 600px; }
.glow--bl { bottom: -160px; left: -10%; width: 560px; height: 560px; }
.glow--center-right { top: 20%; right: -12%; width: 560px; height: 560px; }

.panel__overlay { position: absolute; bottom: 1.5rem; left: 1.5rem; right: 1.5rem; max-width: 260px; }
.panel__overlay--corner { position: absolute; bottom: 1.5rem; left: 1.5rem; right: auto; }
.readout__row--flush { margin-bottom: 0; }
.readout__note { margin-top: 0.35rem; font-size: 0.85rem; }

.rule {
  width: 100%;
  height: 1px;
  max-width: var(--container-max);
  margin-inline: auto;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

/* Simple animations, all gated by prefers-reduced-motion above */
@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.animate-pulse { animation: pulse-soft 2.4s ease-in-out infinite; }

@keyframes ping-ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}
.animate-ping::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid currentColor;
  animation: ping-ring 2.2s cubic-bezier(0,0,0.2,1) infinite;
}