/* ============================================================================
   t3dr3d.com — Timothy Brown, Principal Engineer. Personal portfolio design
   system. Dark-first, editorial, restrained. One signature accent (signal red,
   a nod to the handle), warm-neutral canvas, monospace metadata for the
   engineer texture. Works in both dark and light themes via the --t3d-* tokens.
   ============================================================================ */

/* ---------------------------------------------------------------------------
   1. Design tokens
   --------------------------------------------------------------------------- */
:root {
  color-scheme: dark;

  /* Signature accent — "signal red" (the handle is …red). Warm crimson, used
     sparingly so it reads as brand, never as an error state. */
  --t3d-accent:            #FF5A5F;
  --t3d-accent-strong:     #FF7378;
  --t3d-accent-deep:       #E23B41;
  --t3d-accent-contrast:   #1A0708;
  --t3d-accent-soft:       rgba(255, 90, 95, 0.14);
  --t3d-accent-line:       rgba(255, 90, 95, 0.34);
  --t3d-accent-glow:       rgba(255, 90, 95, 0.28);

  /* Cool secondary — used only for terminal/code cursor + faint accents */
  --t3d-cyan:              #63E6E2;

  /* Canvas & surfaces (warm near-black) */
  --t3d-bg:                #0B0B0E;
  --t3d-bg-2:              #0E0E12;
  --t3d-surface:           #141419;
  --t3d-surface-2:         #191921;
  --t3d-surface-3:         #20212A;
  --t3d-border:            #26262F;
  --t3d-border-strong:     #34343F;
  --t3d-hairline:          rgba(255, 255, 255, 0.07);

  /* Ink / text (warm off-white → muted) */
  --t3d-ink:               #F3F1EE;
  --t3d-body:              #C6C4C9;
  --t3d-muted:             #8A8891;
  --t3d-subtle:            #63626B;
  --t3d-faint:             #45454E;

  /* Semantic (kept distinct from the red brand accent) */
  --t3d-success:           #4ADE80;
  --t3d-warning:           #FBBF24;

  /* Typography */
  --t3d-font-sans: 'Inter', 'Inter var', -apple-system, BlinkMacSystemFont,
                   'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --t3d-font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Menlo',
                   'Cascadia Code', 'Consolas', monospace;
  --t3d-num: "tnum" 1, "cv01" 1, "ss01" 1;

  /* Radii */
  --t3d-radius-sm:  8px;
  --t3d-radius:     12px;
  --t3d-radius-lg:  18px;
  --t3d-radius-xl:  24px;
  --t3d-radius-pill: 999px;

  /* Elevation (soft, dark-tuned) */
  --t3d-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --t3d-shadow:    0 8px 30px rgba(0, 0, 0, 0.36);
  --t3d-shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.5);

  /* Motion */
  --t3d-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t3d-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t3d-t: 220ms var(--t3d-ease);

  /* Layout */
  --t3d-container: 1120px;
  --t3d-container-wide: 1280px;
  --t3d-gutter: clamp(20px, 5vw, 44px);
}

:root[data-theme="light"] {
  color-scheme: light;

  --t3d-accent:            #E5484D;
  --t3d-accent-strong:     #C93B40;
  --t3d-accent-deep:       #B3282E;
  --t3d-accent-contrast:   #FFFFFF;
  --t3d-accent-soft:       rgba(229, 72, 77, 0.10);
  --t3d-accent-line:       rgba(229, 72, 77, 0.28);
  --t3d-accent-glow:       rgba(229, 72, 77, 0.16);

  --t3d-cyan:              #0E9C97;

  --t3d-bg:                #FBFAF8;
  --t3d-bg-2:              #F4F2EE;
  --t3d-surface:           #FFFFFF;
  --t3d-surface-2:         #F7F5F1;
  --t3d-surface-3:         #EFEDE7;
  --t3d-border:            #E4E1DA;
  --t3d-border-strong:     #D3CFC6;
  --t3d-hairline:          rgba(17, 17, 20, 0.08);

  --t3d-ink:               #14141A;
  --t3d-body:              #3A3A42;
  --t3d-muted:             #6A6A73;
  --t3d-subtle:            #93929B;
  --t3d-faint:             #BEBCC4;

  --t3d-success:           #16A34A;
  --t3d-warning:           #B45309;

  --t3d-shadow-sm: 0 1px 2px rgba(20, 20, 26, 0.06);
  --t3d-shadow:    0 10px 34px rgba(20, 20, 26, 0.08);
  --t3d-shadow-lg: 0 30px 70px rgba(20, 20, 26, 0.14);
}

/* ---------------------------------------------------------------------------
   2. Reset & base
   --------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--t3d-font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--t3d-body);
  background: var(--t3d-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: var(--t3d-num);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--t3d-ink);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
}
p { margin: 0; }

a { color: inherit; text-decoration: none; transition: color var(--t3d-t); }

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

::selection { background: var(--t3d-accent-soft); color: var(--t3d-ink); }

:focus-visible {
  outline: 2px solid var(--t3d-accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------------------------------------------------------------------------
   3. Layout primitives
   --------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--t3d-container);
  margin-inline: auto;
  padding-inline: var(--t3d-gutter);
}
.container--wide { max-width: var(--t3d-container-wide); }

.section {
  position: relative;
  padding-block: clamp(72px, 11vw, 128px);
}
.section--tight { padding-block: clamp(56px, 8vw, 88px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--t3d-font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--t3d-accent);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--t3d-accent-line);
}
.eyebrow--plain::before { display: none; }

.section__head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head .eyebrow { margin-bottom: 18px; }
.section__title {
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: -0.03em;
}
.section__lead {
  margin-top: 18px;
  font-size: clamp(16px, 1.6vw, 18.5px);
  color: var(--t3d-muted);
  max-width: 62ch;
}

.divider { height: 1px; background: var(--t3d-hairline); border: 0; margin: 0; }

/* ---------------------------------------------------------------------------
   4. Buttons
   --------------------------------------------------------------------------- */
.btn {
  --_bg: transparent;
  --_fg: var(--t3d-ink);
  --_bd: transparent;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid var(--_bd);
  border-radius: var(--t3d-radius-pill);
  background: var(--_bg);
  color: var(--_fg);
  font-family: var(--t3d-font-sans);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--t3d-t), background var(--t3d-t),
              border-color var(--t3d-t), color var(--t3d-t), box-shadow var(--t3d-t);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn .ico { width: 17px; height: 17px; }
.btn--sm { padding: 9px 16px; font-size: 13.5px; }
.btn--block { width: 100%; justify-content: center; }

.btn--primary {
  --_bg: var(--t3d-accent);
  --_fg: var(--t3d-accent-contrast);
  box-shadow: 0 6px 20px -8px var(--t3d-accent-glow);
}
.btn--primary:hover {
  --_bg: var(--t3d-accent-strong);
  box-shadow: 0 12px 30px -8px var(--t3d-accent-glow);
}
.btn--ghost {
  --_bd: var(--t3d-border-strong);
  --_fg: var(--t3d-ink);
  background: transparent;
}
.btn--ghost:hover { --_bd: var(--t3d-accent-line); background: var(--t3d-surface); }
.btn--quiet { --_fg: var(--t3d-muted); padding-inline: 4px; }
.btn--quiet:hover { --_fg: var(--t3d-ink); transform: none; }

/* Icon-only round button */
.iconbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-pill);
  background: transparent;
  color: var(--t3d-muted);
  cursor: pointer;
  transition: color var(--t3d-t), border-color var(--t3d-t), background var(--t3d-t);
}
.iconbtn:hover { color: var(--t3d-ink); border-color: var(--t3d-border-strong); background: var(--t3d-surface); }
.iconbtn .ico { width: 18px; height: 18px; }

/* ---------------------------------------------------------------------------
   5. Header / nav
   --------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background var(--t3d-t), border-color var(--t3d-t), backdrop-filter var(--t3d-t);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--t3d-bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--t3d-hairline);
}
.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 72px;
}
.nav__spacer { flex: 1; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--t3d-font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.04em;
  width: 38px;
  height: 38px;
  color: var(--t3d-accent-contrast);
  background: var(--t3d-accent);
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.10), 0 6px 18px -8px var(--t3d-accent-glow);
}
.brand__name {
  font-family: var(--t3d-font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--t3d-ink);
}
.brand__name b { color: var(--t3d-accent); font-weight: 600; }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  padding: 8px 12px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--t3d-muted);
  border-radius: var(--t3d-radius-sm);
}
.nav__link:hover { color: var(--t3d-ink); }
.nav__link.is-active { color: var(--t3d-ink); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 1.5px;
  background: var(--t3d-accent);
  border-radius: 2px;
}

.nav__actions { display: flex; align-items: center; gap: 10px; }

.nav__burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-sm);
  background: transparent;
  color: var(--t3d-ink);
  cursor: pointer;
}
.nav__burger .ico { width: 20px; height: 20px; }

.mobile-menu {
  position: fixed;
  inset: 72px 0 auto 0;
  z-index: 49;
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 18px var(--t3d-gutter) 26px;
  background: var(--t3d-bg);
  border-bottom: 1px solid var(--t3d-border);
  box-shadow: var(--t3d-shadow-lg);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  padding: 13px 10px;
  font-size: 16px;
  font-weight: 500;
  color: var(--t3d-body);
  border-radius: var(--t3d-radius-sm);
}
.mobile-menu a:hover { color: var(--t3d-ink); background: var(--t3d-surface); }
.mobile-menu .btn { margin-top: 10px; }

/* ---------------------------------------------------------------------------
   6. Hero
   --------------------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; }
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  top: -30%;
  left: 50%;
  width: min(1100px, 120vw);
  height: 720px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, var(--t3d-accent-glow), transparent 62%);
  opacity: 0.7;
  filter: blur(8px);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--t3d-hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--t3d-hairline) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 78%);
  opacity: 0.6;
}
.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(72px, 13vw, 148px) clamp(56px, 9vw, 104px);
}
.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 12px;
  margin-bottom: 30px;
  font-family: var(--t3d-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--t3d-body);
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-pill);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--t3d-success);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--t3d-success) 60%, transparent);
  animation: pulse 2.4s var(--t3d-ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--t3d-success) 55%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.hero__title {
  font-size: clamp(40px, 8vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  max-width: 16ch;
}
.hero__title .accent { color: var(--t3d-accent); }
.hero__role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 26px;
  font-family: var(--t3d-font-mono);
  font-size: clamp(13px, 1.6vw, 15px);
  letter-spacing: 0.02em;
  color: var(--t3d-muted);
}
.hero__role .sep { color: var(--t3d-accent); }
.hero__lead {
  margin-top: 26px;
  max-width: 58ch;
  font-size: clamp(16.5px, 1.9vw, 20px);
  line-height: 1.62;
  color: var(--t3d-body);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 38px;
}
.hero__socials {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
}

/* Hero terminal card */
.hero__card {
  margin-top: clamp(52px, 8vw, 84px);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-lg);
  background: linear-gradient(180deg, var(--t3d-surface), var(--t3d-bg-2));
  box-shadow: var(--t3d-shadow-lg);
  overflow: hidden;
}
.term__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--t3d-hairline);
  background: var(--t3d-surface-2);
}
.term__dot { width: 11px; height: 11px; border-radius: 50%; background: var(--t3d-faint); }
.term__dot:nth-child(1) { background: #FF5F57; }
.term__dot:nth-child(2) { background: #FEBC2E; }
.term__dot:nth-child(3) { background: #28C840; }
.term__file {
  margin-left: 10px;
  font-family: var(--t3d-font-mono);
  font-size: 12.5px;
  color: var(--t3d-subtle);
}
.term__body {
  padding: 20px clamp(18px, 3vw, 28px) 26px;
  font-family: var(--t3d-font-mono);
  font-size: clamp(12.5px, 1.5vw, 14px);
  line-height: 1.85;
  overflow-x: auto;
}
.term__body pre { margin: 0; }
.t-key { color: var(--t3d-accent-strong); }
.t-str { color: var(--t3d-cyan); }
.t-num { color: #E3B341; }
.t-com { color: var(--t3d-subtle); }
.t-pun { color: var(--t3d-muted); }
.t-cursor {
  display: inline-block;
  width: 8px; height: 1.1em;
  vertical-align: text-bottom;
  background: var(--t3d-accent);
  margin-left: 2px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------------------------------------------------------------------------
   7. Marquee (trusted-by style logo/keyword strip)
   --------------------------------------------------------------------------- */
.strip {
  border-block: 1px solid var(--t3d-hairline);
  padding-block: 26px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.strip__label {
  display: block;
  text-align: center;
  margin-bottom: 18px;
  font-family: var(--t3d-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--t3d-subtle);
}
.marquee { display: flex; width: max-content; animation: marquee 42s linear infinite; }
.marquee:hover { animation-play-state: paused; }
.marquee__row { display: flex; align-items: center; gap: 44px; padding-right: 44px; }
.marquee__item {
  font-family: var(--t3d-font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--t3d-muted);
  white-space: nowrap;
}
.marquee__item::before { content: "◇"; margin-right: 44px; color: var(--t3d-faint); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------------------
   8. Impact stats
   --------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--t3d-hairline);
  border: 1px solid var(--t3d-hairline);
  border-radius: var(--t3d-radius-lg);
  overflow: hidden;
}
.stat {
  padding: clamp(24px, 3.4vw, 38px) clamp(20px, 2.6vw, 30px);
  background: var(--t3d-bg);
}
.stat__num {
  font-size: clamp(32px, 4.6vw, 48px);
  font-weight: 750;
  letter-spacing: -0.04em;
  color: var(--t3d-ink);
  line-height: 1;
}
.stat__num .u { color: var(--t3d-accent); }
.stat__label { margin-top: 12px; font-size: 14px; color: var(--t3d-muted); line-height: 1.4; }

/* ---------------------------------------------------------------------------
   9. Featured projects
   --------------------------------------------------------------------------- */
.projects { display: grid; gap: 22px; }

.project {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(26px, 3.4vw, 44px);
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-lg);
  transition: border-color var(--t3d-t), transform var(--t3d-t), box-shadow var(--t3d-t);
}
.project:hover {
  border-color: var(--t3d-border-strong);
  transform: translateY(-3px);
  box-shadow: var(--t3d-shadow);
}
.project__body { min-width: 0; }
.project__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--t3d-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--t3d-accent);
  margin-bottom: 16px;
}
.project__title { font-size: clamp(22px, 2.8vw, 30px); letter-spacing: -0.03em; }
.project__desc { margin-top: 14px; color: var(--t3d-body); font-size: 15.5px; line-height: 1.62; }
.project__meta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project__links { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; }
.project__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--t3d-ink);
}
.project__link .ico { width: 16px; height: 16px; color: var(--t3d-accent); }
.project__link:hover { color: var(--t3d-accent); }
.project__link.is-pending { color: var(--t3d-subtle); font-weight: 500; cursor: default; }
.project__link.is-pending:hover { color: var(--t3d-subtle); }
.project__link.is-pending .ico { color: var(--t3d-subtle); }

/* Project visual — a stacked architecture diagram card */
.project__visual {
  align-self: stretch;
  min-height: 220px;
  border-radius: var(--t3d-radius);
  border: 1px solid var(--t3d-hairline);
  background:
    radial-gradient(120% 100% at 100% 0%, var(--t3d-accent-soft), transparent 55%),
    var(--t3d-bg-2);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
.flow {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flow__node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-sm);
  font-family: var(--t3d-font-mono);
  font-size: 12.5px;
  color: var(--t3d-body);
}
.flow__node .ico { width: 16px; height: 16px; color: var(--t3d-accent); flex: none; }
.flow__node small { display: block; color: var(--t3d-subtle); font-size: 11px; letter-spacing: 0.02em; }
.flow__node--edge { border-style: dashed; background: transparent; color: var(--t3d-muted); }
.flow__arrow { align-self: center; color: var(--t3d-faint); line-height: 0; }
.flow__arrow .ico { width: 16px; height: 16px; }

/* ---------------------------------------------------------------------------
   10. Chips / pills
   --------------------------------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  font-family: var(--t3d-font-mono);
  font-size: 12px;
  letter-spacing: 0.01em;
  color: var(--t3d-body);
  background: var(--t3d-surface-2);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-pill);
  white-space: nowrap;
}
.chip--accent { color: var(--t3d-accent); border-color: var(--t3d-accent-line); background: var(--t3d-accent-soft); }

/* ---------------------------------------------------------------------------
   11. Skills matrix
   --------------------------------------------------------------------------- */
.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.skillcard {
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-lg);
  transition: border-color var(--t3d-t), transform var(--t3d-t);
}
.skillcard:hover { border-color: var(--t3d-border-strong); transform: translateY(-2px); }
.skillcard__head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.skillcard__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  color: var(--t3d-accent);
  background: var(--t3d-accent-soft);
  border: 1px solid var(--t3d-accent-line);
}
.skillcard__icon .ico { width: 20px; height: 20px; }
.skillcard__title { font-size: 16px; font-weight: 650; letter-spacing: -0.01em; }
.skillcard__title small {
  display: block;
  font-family: var(--t3d-font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--t3d-subtle);
  margin-top: 3px;
}
.taglist { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------------------------------------------------------------------------
   12. Experience timeline
   --------------------------------------------------------------------------- */
.timeline { position: relative; display: grid; gap: 8px; }
.xp {
  position: relative;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(16px, 3vw, 48px);
  padding: clamp(22px, 3vw, 34px) 4px;
  border-top: 1px solid var(--t3d-hairline);
}
.xp:last-child { border-bottom: 1px solid var(--t3d-hairline); }
.xp__aside { position: relative; }
.xp__period {
  font-family: var(--t3d-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--t3d-accent);
}
.xp__company { margin-top: 8px; font-size: 18px; font-weight: 700; letter-spacing: -0.02em; color: var(--t3d-ink); }
.xp__context { margin-top: 6px; font-size: 13.5px; color: var(--t3d-muted); }
.xp__location { margin-top: 4px; font-family: var(--t3d-font-mono); font-size: 12px; color: var(--t3d-subtle); }
.xp__roles { display: grid; gap: 20px; }
.xp__role { }
.xp__role-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  font-size: 16px;
  font-weight: 650;
  color: var(--t3d-ink);
}
.xp__role-title .when { font-family: var(--t3d-font-mono); font-size: 12px; font-weight: 400; color: var(--t3d-subtle); }
.xp__points { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 9px; }
.xp__points li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--t3d-body);
}
.xp__points li::before {
  content: "";
  position: absolute;
  left: 3px; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--t3d-accent);
  opacity: 0.7;
}
.xp__points strong { color: var(--t3d-ink); font-weight: 650; }

/* ---------------------------------------------------------------------------
   13. Featured / callout blocks
   --------------------------------------------------------------------------- */
.callout {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5vw, 60px);
  border-radius: var(--t3d-radius-xl);
  border: 1px solid var(--t3d-border);
  background:
    radial-gradient(120% 120% at 100% 0%, var(--t3d-accent-soft), transparent 45%),
    var(--t3d-surface);
  text-align: center;
}
.callout__title { font-size: clamp(26px, 4vw, 40px); letter-spacing: -0.03em; max-width: 20ch; margin-inline: auto; }
.callout__lead { margin: 18px auto 0; max-width: 56ch; color: var(--t3d-muted); font-size: 17px; }
.callout__cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* two-column "about" band */
.about {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.about__lead { font-size: clamp(19px, 2.2vw, 24px); line-height: 1.5; color: var(--t3d-ink); letter-spacing: -0.02em; }
.about__body { color: var(--t3d-body); font-size: 16px; line-height: 1.68; display: grid; gap: 16px; }
.about__body p strong { color: var(--t3d-ink); }
.facts { margin-top: 26px; display: grid; gap: 1px; background: var(--t3d-hairline); border: 1px solid var(--t3d-hairline); border-radius: var(--t3d-radius); overflow: hidden; }
.fact { display: flex; justify-content: space-between; gap: 16px; padding: 13px 16px; background: var(--t3d-bg); font-size: 14px; }
.fact dt { color: var(--t3d-muted); font-family: var(--t3d-font-mono); font-size: 12.5px; letter-spacing: 0.02em; }
.fact dd { margin: 0; color: var(--t3d-ink); font-weight: 550; text-align: right; }

/* ---------------------------------------------------------------------------
   13b. Agent prompt console (mirrors the IPropertyPro dashboard console,
   mapped onto the --t3d-* tokens — UI only, backend hooks in later)
   --------------------------------------------------------------------------- */
/* ==== Shell / positioning — fixed to the bottom of the viewport ==== */
.ai-console {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  pointer-events: none;
}
.ai-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 11, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  pointer-events: auto;
}
.ai-backdrop[hidden] { display: none; }

/* ==== Docked pill (minimised state) ==== */
.ai-tab {
  position: fixed;
  right: 28px;
  bottom: 0;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px 12px;
  font-family: var(--t3d-font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--t3d-ink);
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  pointer-events: auto;
  transition: transform var(--t3d-t), box-shadow var(--t3d-t), border-color var(--t3d-t);
}
.ai-tab:hover {
  transform: translateY(-2px);
  border-color: var(--t3d-accent-line);
  box-shadow: 0 -6px 22px rgba(0, 0, 0, 0.32);
}
.ai-tab[hidden] { display: none; }
.ai-tab__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-family: var(--t3d-font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--t3d-accent-contrast);
  background: var(--t3d-accent);
  border-radius: 7px;
}

/* ==== Dock (undocked state: panel + composer + disclaimer) ==== */
.ai-dock {
  position: relative;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px 16px;
  pointer-events: none;
}
.ai-dock[hidden] { display: none; }
.ai-dock > * { pointer-events: auto; }

/* ==== Conversation panel — same terminal-card chrome as the hero console ==== */
.ai-panel {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
  background: linear-gradient(180deg, var(--t3d-surface), var(--t3d-bg-2));
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-lg);
  box-shadow: var(--t3d-shadow-lg);
  overflow: hidden;
  animation: ai-panel-in 200ms var(--t3d-ease-out);
}
.ai-panel[hidden] { display: none; }
@keyframes ai-panel-in {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
.ai-min {
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: none;
  background: transparent;
  border-radius: 7px;
  color: var(--t3d-subtle);
  cursor: pointer;
  transition: color var(--t3d-t), background var(--t3d-t);
}
.ai-min:hover { color: var(--t3d-ink); background: var(--t3d-surface-3); }
.ai-min .ico { width: 14px; height: 14px; }
.ai-panel__badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--t3d-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t3d-subtle);
}
.ai-panel__badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--t3d-warning);
}

/* ==== Thread ==== */
.ai-thread {
  overflow-y: auto;
  max-height: min(56vh, 460px);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.ai-msg { display: flex; gap: 10px; align-items: flex-start; }
.ai-msg__avatar {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.ai-msg__avatar .ico { width: 15px; height: 15px; }
.ai-msg__avatar--user { background: var(--t3d-surface-3); color: var(--t3d-body); }
.ai-msg__avatar--assistant {
  background: linear-gradient(135deg, var(--t3d-accent-strong), var(--t3d-accent-deep));
  font-size: 15px;
}
.ai-msg__body { min-width: 0; flex: 1 1 auto; }
.ai-msg__name {
  font-size: 12px;
  font-weight: 600;
  color: var(--t3d-muted);
  margin-bottom: 3px;
}
.ai-msg__bubble {
  font-size: 14px;
  line-height: 1.6;
  padding: 9px 12px;
  border-radius: var(--t3d-radius-sm);
  border: 1px solid var(--t3d-border);
  white-space: pre-wrap;
  word-break: break-word;
}
.ai-msg--user .ai-msg__bubble {
  background: var(--t3d-accent-soft);
  border-color: var(--t3d-accent-line);
  color: var(--t3d-ink);
}
.ai-msg--assistant .ai-msg__bubble {
  background: var(--t3d-surface-2);
  color: var(--t3d-body);
}
.ai-msg__bubble a { color: var(--t3d-accent); font-weight: 600; }
.ai-msg__bubble a:hover { color: var(--t3d-accent-strong); }

/* typing dots */
.ai-typing { display: inline-flex; gap: 4px; align-items: center; height: 18px; }
.ai-typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--t3d-subtle);
  animation: ai-bounce 1.2s infinite ease-in-out both;
}
.ai-typing span:nth-child(1) { animation-delay: -0.24s; }
.ai-typing span:nth-child(2) { animation-delay: -0.12s; }
@keyframes ai-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ==== Intro / suggestions ==== */
.ai-intro { text-align: center; padding: 14px 6px 6px; }
.ai-intro__spark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--t3d-accent-strong), var(--t3d-accent-deep));
  font-size: 24px;
  margin-bottom: 10px;
  box-shadow: 0 10px 26px -12px var(--t3d-accent-glow);
}
.ai-intro__greeting {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--t3d-ink);
  margin: 0 0 4px;
}
.ai-intro__sub {
  font-size: 13px;
  color: var(--t3d-muted);
  margin: 0 auto 16px;
  max-width: 420px;
}
.ai-suggestions__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  text-align: left;
}
.ai-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  text-align: left;
  padding: 10px 12px;
  font-family: var(--t3d-font-mono);
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--t3d-body);
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-sm);
  cursor: pointer;
  transition: border-color var(--t3d-t), background var(--t3d-t), transform var(--t3d-t);
}
.ai-chip .ico { width: 15px; height: 15px; flex: none; color: var(--t3d-accent); }
.ai-chip:hover {
  border-color: var(--t3d-accent-line);
  background: var(--t3d-accent-soft);
  transform: translateY(-1px);
}

/* ==== Composer ==== */
.ai-composer {
  background: var(--t3d-surface);
  border: 1px solid var(--t3d-border-strong);
  border-radius: var(--t3d-radius-lg);
  box-shadow: var(--t3d-shadow);
  padding: 10px 10px 8px;
  transition: border-color var(--t3d-t), box-shadow var(--t3d-t);
}
.ai-composer:focus-within {
  border-color: var(--t3d-accent-line);
  box-shadow: 0 0 0 4px var(--t3d-accent-soft), var(--t3d-shadow);
}
.ai-composer__input {
  display: block;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--t3d-ink);
  font-family: var(--t3d-font-mono);
  font-size: 14px;
  line-height: 1.5;
  max-height: 160px;
  padding: 7px 6px 4px;
  overflow-y: auto;
}
.ai-composer__input::placeholder { color: var(--t3d-subtle); }
.ai-composer__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}
.ai-composer__left { display: flex; align-items: center; gap: 8px; min-height: 24px; }
.ai-composer__right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.ai-reset {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-family: var(--t3d-font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--t3d-muted);
  background: transparent;
  border: 1px solid var(--t3d-border);
  border-radius: var(--t3d-radius-pill);
  cursor: pointer;
  transition: color var(--t3d-t), border-color var(--t3d-t), background var(--t3d-t);
}
.ai-reset[hidden] { display: none; }
.ai-reset .ico { width: 12px; height: 12px; }
.ai-reset:hover {
  color: var(--t3d-accent);
  border-color: var(--t3d-accent-line);
  background: var(--t3d-accent-soft);
}
.ai-hint {
  font-family: var(--t3d-font-mono);
  font-size: 11px;
  color: var(--t3d-subtle);
}
.ai-send {
  width: 36px; height: 36px;
  border: none;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--t3d-accent);
  color: var(--t3d-accent-contrast);
  cursor: pointer;
  transition: background var(--t3d-t), transform var(--t3d-t);
}
.ai-send:hover:not(:disabled) { background: var(--t3d-accent-strong); transform: translateY(-1px); }
.ai-send:disabled { background: var(--t3d-surface-3); color: var(--t3d-subtle); cursor: not-allowed; }

.ai-disclaimer {
  text-align: center;
  font-family: var(--t3d-font-mono);
  font-size: 11px;
  color: var(--t3d-faint);
  margin: 10px 0 0;
  pointer-events: none;
}

@media (max-width: 640px) {
  .ai-suggestions__grid { grid-template-columns: 1fr; }
  .ai-hint { display: none; }
  .ai-tab { right: 14px; }
  .ai-tab__label { display: none; }
  .ai-dock { padding: 0 10px 10px; }
  .ai-disclaimer { display: none; }
}

/* ---------------------------------------------------------------------------
   14. Footer
   --------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--t3d-hairline);
  padding-block: clamp(48px, 7vw, 72px) 36px;
  background: var(--t3d-bg-2);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(28px, 5vw, 60px);
  align-items: start;
}
.footer__brand { display: grid; gap: 16px; max-width: 36ch; }
.footer__tag { color: var(--t3d-muted); font-size: 14.5px; line-height: 1.6; }
.footer__socials { display: flex; gap: 10px; }
.footer__col h4 {
  font-family: var(--t3d-font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t3d-subtle);
  margin-bottom: 16px;
}
.footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer__col a { color: var(--t3d-body); font-size: 14.5px; }
.footer__col a:hover { color: var(--t3d-accent); }
.footer__bottom {
  margin-top: clamp(40px, 6vw, 60px);
  padding-top: 24px;
  border-top: 1px solid var(--t3d-hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  justify-content: space-between;
}
.footer__copy { font-family: var(--t3d-font-mono); font-size: 12.5px; color: var(--t3d-subtle); }
.footer__copy b { color: var(--t3d-muted); font-weight: 500; }
.footer__meta { font-family: var(--t3d-font-mono); font-size: 12px; color: var(--t3d-faint); }

/* ---------------------------------------------------------------------------
   15. Theme toggle glyph swap
   --------------------------------------------------------------------------- */
.theme-toggle .ico-moon { display: none; }
.theme-toggle .ico-sun { display: block; }
:root[data-theme="light"] .theme-toggle .ico-sun { display: none; }
:root[data-theme="light"] .theme-toggle .ico-moon { display: block; }

/* ---------------------------------------------------------------------------
   16. Reveal-on-scroll
   --------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--t3d-ease-out), transform 0.7s var(--t3d-ease-out);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.06s; }
.reveal[data-delay="2"] { transition-delay: 0.12s; }
.reveal[data-delay="3"] { transition-delay: 0.18s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------------------
   17. 404
   --------------------------------------------------------------------------- */
.oops { min-height: 62vh; display: grid; place-items: center; text-align: center; }
.oops__code {
  font-family: var(--t3d-font-mono);
  font-size: clamp(64px, 16vw, 150px);
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--t3d-ink);
  line-height: 1;
}
.oops__code .accent { color: var(--t3d-accent); }
.oops__msg { margin-top: 18px; color: var(--t3d-muted); font-size: 18px; }
.oops__cta { margin-top: 30px; }

/* ---------------------------------------------------------------------------
   18. Responsive
   --------------------------------------------------------------------------- */
@media (max-width: 940px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .skills { grid-template-columns: repeat(2, 1fr); }
  .project { grid-template-columns: 1fr; }
  .project__visual { order: -1; min-height: 180px; }
  .about { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__actions .btn--ghost, .nav__actions .btn--primary { display: none; }
  .nav__burger { display: inline-flex; }
  .xp { grid-template-columns: 1fr; gap: 16px; }
  .hero__socials { margin-left: 0; }
}

@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .skills { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}