/* ============================================================
   Serhii Zolotov — DevOps Portfolio
   Type: JetBrains Mono (voice) + Space Grotesk (display)
   Accents: Ukraine blue + yellow over near-black / near-white
   ============================================================ */

/* ---------- THEME TOKENS ---------- */
:root,
[data-theme="dark"] {
  --bg:        oklch(0.165 0.013 252);
  --bg-grid:   oklch(0.205 0.016 252);
  --elev:      oklch(0.205 0.015 252);
  --surface:   oklch(0.235 0.017 252);
  --surface-2: oklch(0.265 0.018 252);
  --line:      oklch(0.315 0.022 252);
  --line-soft: oklch(0.265 0.018 252);
  --text:      oklch(0.940 0.008 252);
  --muted:     oklch(0.700 0.014 252);
  --faint:     oklch(0.560 0.016 252);

  --blue:      oklch(0.680 0.150 250);
  --blue-deep: oklch(0.560 0.165 252);
  --blue-glow: oklch(0.680 0.150 250 / 0.35);
  --yellow:    oklch(0.865 0.155 92);
  --yellow-deep: oklch(0.800 0.150 88);
  --yellow-glow: oklch(0.865 0.155 92 / 0.30);

  --on-blue:   oklch(0.985 0.005 250);
  --on-yellow: oklch(0.200 0.030 90);

  --scan-opacity: 0.05;
  --glow-strength: 0.55;
  --shadow: 0 1px 0 oklch(1 0 0 / 0.03) inset, 0 18px 40px -24px oklch(0 0 0 / 0.8);

  /* Liquid glass */
  --glass-bg:     color-mix(in oklab, var(--surface) 42%, transparent);
  --glass-bg-hi:  color-mix(in oklab, var(--surface-2) 52%, transparent);
  --glass-border: oklch(1 0 0 / 0.14);
  --glass-blur:   blur(26px) saturate(1.7);
  --glass-hi:     oklch(1 0 0 / 0.12);
  --glass-shadow: inset 0 1px 0 var(--glass-hi), 0 20px 44px -24px oklch(0 0 0 / 0.7);
  --glass-edge:   oklch(1 0 0 / 0.26);
  --glass-caustic: oklch(0.68 0.15 250 / 0.18);

  /* Ambient backdrop the glass refracts */
  --aura-1: oklch(0.68 0.15 250 / 0.22);
  --aura-2: oklch(0.865 0.155 92 / 0.14);
}

[data-theme="light"] {
  --bg:        oklch(0.970 0.008 245);
  --bg-grid:   oklch(0.920 0.012 245);
  --elev:      oklch(0.992 0.004 245);
  --surface:   oklch(1 0 0);
  --surface-2: oklch(0.975 0.006 245);
  --line:      oklch(0.880 0.014 245);
  --line-soft: oklch(0.915 0.010 245);
  --text:      oklch(0.230 0.022 252);
  --muted:     oklch(0.460 0.024 252);
  --faint:     oklch(0.600 0.022 252);

  --blue:      oklch(0.500 0.185 252);
  --blue-deep: oklch(0.430 0.190 254);
  --blue-glow: oklch(0.500 0.185 252 / 0.18);
  --yellow:    oklch(0.760 0.150 86);
  --yellow-deep: oklch(0.700 0.155 84);
  --yellow-glow: oklch(0.800 0.150 88 / 0.22);

  --on-blue:   oklch(0.985 0.005 250);
  --on-yellow: oklch(0.250 0.040 88);

  --scan-opacity: 0.028;
  --glow-strength: 0.22;
  --shadow: 0 1px 0 oklch(1 0 0 / 0.6) inset, 0 18px 40px -26px oklch(0.4 0.05 252 / 0.30);

  /* Liquid glass */
  --glass-bg:     color-mix(in oklab, white 48%, transparent);
  --glass-bg-hi:  color-mix(in oklab, white 66%, transparent);
  --glass-border: oklch(1 0 0 / 0.65);
  --glass-blur:   blur(26px) saturate(1.7);
  --glass-hi:     oklch(1 0 0 / 0.75);
  --glass-shadow: inset 0 1px 0 var(--glass-hi), 0 20px 44px -26px oklch(0.4 0.05 252 / 0.28);
  --glass-edge:   oklch(1 0 0 / 0.82);
  --glass-caustic: oklch(0.55 0.185 252 / 0.16);

  /* Ambient backdrop the glass refracts */
  --aura-1: oklch(0.55 0.185 252 / 0.16);
  --aura-2: oklch(0.82 0.16 88 / 0.18);
}

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

html {
  scroll-behavior: smooth; scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%; text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  transition: background .4s ease, color .4s ease;
}

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

/* Accessible keyboard focus (Apple HIG / Material) */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

/* Respect OS "Reduce transparency" — drop blur, restore solid fills */
@media (prefers-reduced-transparency: reduce) {
  :root, [data-theme="dark"], [data-theme="light"] {
    --glass-bg: var(--elev);
    --glass-bg-hi: var(--surface);
    --glass-border: var(--line);
    --glass-blur: none;
    --glass-shadow: var(--shadow);
  }
  .nav, .mobile-menu, .menu-btn, .cmd, .cmd-out, .hs-menu, .anim-pop,
  .cell, .card, .panel, .term, .principle, .layer, .stack-float,
  .impact-metric, .impact-block, .status-pill, .cred-col, .foot {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
  .menu-btn::before { display: none; }
  .nav, .mobile-menu { background: var(--bg); }
  .foot { background: var(--elev); }
  .cmd, .cmd-out { background: var(--elev); }
  .term-bar, .panel-head, .sf-head { background: var(--surface); }
  .principles, .sec-layers { background: var(--line-soft); }
}

/* ---------- BACKGROUND TEXTURE + CRT ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 30%, transparent 90%);
}
/* Ambient colour wash so the liquid-glass surfaces have something to refract */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(46% 38% at 14% 6%,  var(--aura-1), transparent 70%),
    radial-gradient(42% 34% at 86% 18%, var(--aura-2), transparent 70%),
    radial-gradient(54% 46% at 80% 88%, var(--aura-1), transparent 72%),
    radial-gradient(44% 40% at 18% 86%, var(--aura-2), transparent 70%);
}
/* Ambient liquid-glass blobs that drift behind the glass surfaces */
.aura { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.aura i {
  position: absolute; display: block; border-radius: 50%;
  filter: blur(110px); opacity: 0.38; will-change: transform;
}
.aura .b1 { top: -14%; left: 2%;  width: 48vw; height: 48vw; background: radial-gradient(circle, var(--blue-glow), transparent 62%); animation: blobFloatA 19s ease-in-out infinite; }
.aura .b2 { top: 24%; right: -10%; width: 42vw; height: 42vw; background: radial-gradient(circle, var(--yellow-glow), transparent 64%); animation: blobFloatB 24s ease-in-out infinite; }
.aura .b3 { bottom: -16%; left: 34%; width: 44vw; height: 44vw; background: radial-gradient(circle, var(--blue-glow), transparent 64%); animation: blobFloatA 28s ease-in-out infinite; }
[data-theme="light"] .aura i { opacity: 0.26; }
@keyframes blobFloatA { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(0,-32px,0) scale(1.05); } }
@keyframes blobFloatB { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(28px,22px,0) scale(0.95); } }

/* Scroll progress bar */
.scrollbar { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 260; pointer-events: none; }
.scrollbar > i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--blue), var(--yellow));
  box-shadow: 0 0 10px var(--blue-glow); transition: width .1s linear;
}

.crt {
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  background: repeating-linear-gradient(
    0deg, transparent 0 2px, oklch(0 0 0 / var(--scan-opacity)) 2px 4px);
  mix-blend-mode: multiply;
}
[data-theme="light"] .crt { mix-blend-mode: multiply; }
.crt::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 100% 100% at 50% 50%, transparent 60%, oklch(0 0 0 / 0.22) 100%);
}
[data-theme="light"] .crt::after { background: radial-gradient(ellipse 100% 100% at 50% 50%, transparent 70%, oklch(0.5 0.05 252 / 0.06) 100%); }

/* ---------- BOOT SEQUENCE (first visit splash) ---------- */
.boot {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center;
  padding: max(24px, env(safe-area-inset-top)) 24px max(24px, env(safe-area-inset-bottom));
  background: var(--bg);
  cursor: pointer;
  transition:
    opacity .75s cubic-bezier(.22,.8,.24,1),
    visibility .75s cubic-bezier(.22,.8,.24,1);
}
.boot.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.boot-inner {
  width: min(560px, 100%);
  font-size: clamp(13px, 2.8vw, 15px);
  line-height: 1.85;
  color: var(--muted);
  letter-spacing: 0.01em;
  transition:
    opacity .75s cubic-bezier(.22,.8,.24,1),
    transform .75s cubic-bezier(.22,.8,.24,1),
    filter .75s cubic-bezier(.22,.8,.24,1);
}
.boot.hide .boot-inner {
  opacity: 0;
  transform: translateY(-10px) scale(0.985);
  filter: blur(6px);
}
.boot .bl {
  opacity: 0;
  transform: translateY(10px);
  filter: blur(4px);
  transition:
    opacity 0.65s cubic-bezier(.22,.8,.24,1),
    transform 0.65s cubic-bezier(.22,.8,.24,1),
    filter 0.65s cubic-bezier(.22,.8,.24,1);
}
.boot .bl.show {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
.boot .boot-name { color: var(--text); }
.boot .grn { color: oklch(0.72 0.14 145); }
.boot .ok { color: var(--yellow); }
.boot-cur {
  display: inline-block;
  width: 0.55ch; height: 1.05em;
  transform: translateY(0.12em);
  background: var(--yellow);
  margin-left: 2px;
  animation: boot-cur-pulse 1.4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--yellow-glow);
}
@keyframes boot-cur-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}
/* boot: typed prompt, task log + live spinners, progress bar */
.boot-prompt { color: var(--muted); margin-bottom: 14px; }
.boot-prompt .sep { color: var(--faint); }
.boot-prompt .dollar { color: var(--blue); }
.boot-signal {
  color: var(--faint);
  margin: -6px 0 12px;
  letter-spacing: 0.04em;
}
.boot-signal b { color: var(--blue); font-weight: 600; }
.boot-log { display: flex; flex-direction: column; gap: 2px; }
.boot-row { white-space: nowrap; }
.boot-row .boot-k { color: var(--blue); text-shadow: 0 0 8px var(--blue-glow); }
.boot-row .boot-v { color: var(--text); }
.boot-row.is-done { color: var(--text); }
.boot-row.is-wired { color: var(--yellow); }
.boot .tag { color: var(--faint); }
.boot .spin { display: inline-block; width: 1ch; color: var(--blue); text-shadow: 0 0 8px var(--blue-glow); }
.boot-bar { display: flex; align-items: center; gap: 12px; margin-top: 22px; }
.boot-track {
  position: relative; flex: 1; height: 6px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line-soft); overflow: hidden;
}
.boot-track > i {
  position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--blue-deep), var(--blue));
  box-shadow: 0 0 12px var(--blue-glow);
  transition: width .45s cubic-bezier(.3,1,.3,1);
}
.boot-pct { color: var(--yellow); font-size: 12px; font-weight: 600; min-width: 4ch; text-align: right; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .blink, .cursor, .boot-cur { animation: none !important; }
  .aura i, .bub, .bub::after, .sf-led, .status-pill .led { animation: none !important; }
  .term:hover, .panel:hover, .stack-float:hover, .principle:hover, .layer:hover,
  .card:hover, .cell:hover, .impact-metric:hover, .impact-block:hover,
  .cred-col:hover { transform: none !important; }
  .scrollbar > i { transition: none !important; }
  .boot .bl { opacity: 1; transform: none; filter: none; transition: none; }
  .menu-btn .menu-bars i,
  .menu-overlay,
  .mobile-menu {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
  body:not(.menu-open) .mobile-menu { visibility: hidden !important; }
  body:not(.menu-open) .menu-overlay { opacity: 0 !important; }
}

/* ---------- LAYOUT ---------- */
.wrap { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 0 32px; }
main { position: relative; z-index: 1; }
section { padding: 92px 0; border-top: 1px solid var(--line-soft); }
section:first-of-type { border-top: none; }

/* ---------- UTILITY / SHARED ---------- */
.mono { font-family: "JetBrains Mono", monospace; }
.display { font-family: "Space Grotesk", "JetBrains Mono", sans-serif; letter-spacing: -0.02em; }
.blue { color: var(--blue); }
.yellow { color: var(--yellow); }
.muted { color: var(--muted); }
.glow-blue { text-shadow: 0 0 18px var(--blue-glow); }
.glow-yellow { text-shadow: 0 0 18px var(--yellow-glow); }
.cursor {
  display: inline-block; width: 0.6ch; height: 1.05em; transform: translateY(0.14em);
  background: var(--yellow); margin-left: 2px; animation: blink 1.1s steps(1) infinite;
  box-shadow: 0 0 10px var(--yellow-glow);
}
@keyframes blink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }

/* ---------- SECTION HEADER ---------- */
.sec-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.sec-idx { font-size: 13px; color: var(--yellow); letter-spacing: 0.04em; font-weight: 600; }
.sec-title { font-size: 15px; color: var(--blue); letter-spacing: 0.02em; }
.sec-title b { color: var(--blue); }
.sec-desc { color: var(--faint); font-size: 13px; margin-left: auto; white-space: nowrap; }
.sec-rule { flex: 0 0 100%; height: 1px; background: linear-gradient(90deg, var(--blue-deep), transparent); margin-top: 4px; opacity: .5; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; gap: 18px;
  padding: max(14px, env(safe-area-inset-top)) max(32px, env(safe-area-inset-right)) 14px max(32px, env(safe-area-inset-left));
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 58%, transparent), color-mix(in oklab, var(--bg) 72%, transparent)),
    linear-gradient(180deg, oklch(1 0 0 / 0.055), transparent 72%);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 72%, transparent);
  box-shadow:
    inset 0 1px 0 oklch(1 0 0 / 0.11),
    0 18px 42px -36px oklch(0 0 0 / 0.72);
}
.nav-brand { font-weight: 700; letter-spacing: 0.02em; display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; transition: opacity .2s; }
.nav-brand:hover { opacity: .8; }
.nav-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 3px var(--yellow-glow), 0 0 12px var(--yellow); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 13px; padding: 6px 11px; border-radius: 7px;
  transition: color .2s, background .2s, box-shadow .2s;
}
.nav-links a:hover {
  color: var(--text);
  background: color-mix(in oklab, var(--surface) 56%, transparent);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.08);
}
.nav-links a .n { color: var(--yellow); margin-right: 5px; opacity: .8; }
.theme-btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  font-family: inherit; font-size: 12px; padding: 7px 12px; border-radius: 8px;
  transition: border-color .2s, background .2s;
}
.theme-btn:hover { border-color: var(--blue); }
.theme-btn .sw { width: 8px; height: 8px; border-radius: 2px; background: var(--blue); }

/* ---------- HAMBURGER + MOBILE MENU ---------- */
.menu-btn {
  display: none; align-items: center; justify-content: center; cursor: pointer;
  position: relative; overflow: hidden;
  width: 44px; height: 44px; padding: 0; flex: none;
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 12px;
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: border-color .25s ease, background .25s ease, box-shadow .3s ease,
              transform .3s cubic-bezier(.2,.8,.2,1);
}
/* Glossy top sheen + a sweeping highlight on hover/open */
.menu-btn::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(130% 80% at 50% -25%, oklch(1 0 0 / 0.22), transparent 60%),
    linear-gradient(115deg, transparent 40%, oklch(1 0 0 / 0.18) 50%, transparent 60%);
  background-size: 100% 100%, 220% 100%;
  background-position: 0 0, -120% 0;
  transition: background-position .55s cubic-bezier(.2,.8,.2,1), opacity .25s ease;
}
.menu-btn .menu-bars { position: relative; z-index: 1; }
.menu-btn:hover { border-color: var(--blue); transform: translateY(-1px);
  box-shadow: var(--glass-shadow), 0 6px 18px -8px oklch(0 0 0 / 0.5); }
.menu-btn:hover::before { background-position: 0 0, 120% 0; }
.menu-btn:active { transform: translateY(0) scale(.95); }
body.menu-open .menu-btn { border-color: var(--blue); background: var(--glass-bg-hi);
  box-shadow: var(--glass-shadow); }
.menu-btn .menu-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
}
.menu-btn .menu-bars i {
  position: absolute;
  left: 0;
  right: 0;
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transform-origin: center;
  transition:
    top .52s cubic-bezier(0.16, 1, 0.3, 1),
    transform .52s cubic-bezier(0.16, 1, 0.3, 1),
    opacity .4s cubic-bezier(0.33, 1, 0.68, 1);
}
.menu-btn .menu-bars i:nth-child(1) { top: 0; }
.menu-btn .menu-bars i:nth-child(2) { top: 6px; }
.menu-btn .menu-bars i:nth-child(3) { top: 12px; }
body.menu-open .menu-btn .menu-bars i:nth-child(1) { top: 6px; transform: rotate(45deg); }
body.menu-open .menu-btn .menu-bars i:nth-child(2) { opacity: 0; transform: scaleX(0); }
body.menu-open .menu-btn .menu-bars i:nth-child(3) { top: 6px; transform: rotate(-45deg); }

.menu-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: oklch(0 0 0 / 0.34);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  opacity: 0; pointer-events: none;
  transition:
    opacity .55s cubic-bezier(0.33, 1, 0.68, 1),
    backdrop-filter .55s cubic-bezier(0.33, 1, 0.68, 1),
    -webkit-backdrop-filter .55s cubic-bezier(0.33, 1, 0.68, 1);
}
body.menu-open .menu-overlay {
  opacity: 1;
  pointer-events: auto;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 260;
  width: min(88vw, 320px);
  background: color-mix(in oklab, var(--surface) 55%, transparent);
  -webkit-backdrop-filter: blur(28px) saturate(1.7);
  backdrop-filter: blur(28px) saturate(1.7);
  border-left: 1px solid var(--glass-border);
  box-shadow: inset 1px 0 0 var(--glass-hi), -20px 0 48px -24px oklch(0 0 0 / 0.55);
  padding: max(18px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) 16px;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  transition:
    transform .62s cubic-bezier(0.16, 1, 0.3, 1),
    opacity .5s cubic-bezier(0.33, 1, 0.68, 1),
    visibility .62s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex; flex-direction: column; gap: 6px;
  overflow: hidden;
}
body.menu-open .mobile-menu {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}
body.menu-open { overflow: hidden; }

.mm-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 8px 16px; border-bottom: 1px solid var(--line-soft); margin-bottom: 10px; flex: none;
}
.mm-title { font-size: 13px; color: var(--muted); letter-spacing: 0.02em; }
.mm-close { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; background: transparent; border: 1px solid var(--line); color: var(--faint); font-family: inherit; font-size: 11px; padding: 5px 9px; border-radius: 7px; transition: border-color .2s, color .2s; }
.mm-close:hover { border-color: var(--blue); color: var(--text); }
.mm-close .x { font-size: 15px; line-height: 1; }
.mm-links { display: flex; flex-direction: column; gap: 2px; flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.mm-links a {
  display: flex; align-items: center; color: var(--muted); text-decoration: none;
  font-size: 15px; padding: 13px 12px; border-radius: 9px;
  transition: color .2s ease, background .2s ease;
}
.mm-links a:hover, .mm-links a:active { color: var(--text); background: var(--surface); }
.mm-links a .n { color: var(--yellow); margin-right: 12px; opacity: .8; font-size: 12px; }

.mm-foot { flex: none; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.mm-hints { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.mm-hint {
  cursor: pointer; font-family: inherit; font-size: 12px; color: var(--muted);
  background: var(--surface); border: 1px solid var(--line-soft); padding: 6px 10px; border-radius: 8px;
  transition: color .28s ease, border-color .28s ease, background .28s ease;
}
.mm-hint:hover, .mm-hint.on { color: var(--text); border-color: var(--blue); }
.mm-hint b { color: var(--yellow); font-weight: 600; }
.mm-hint .caret { color: var(--faint); font-size: 10px; transition: transform .45s cubic-bezier(0.16, 1, 0.3, 1), color .3s ease; }
.mm-hint-anim.on { border-color: var(--blue); color: var(--text); }
.mm-hint-anim.on .caret { color: var(--blue); transform: rotate(180deg); }
.mm-settings {
  max-height: 0; overflow: hidden; opacity: 0;
  transform: translateY(4px);
  transition:
    max-height .55s cubic-bezier(0.16, 1, 0.3, 1),
    opacity .48s cubic-bezier(0.33, 1, 0.68, 1),
    transform .48s cubic-bezier(0.33, 1, 0.68, 1),
    margin .48s cubic-bezier(0.33, 1, 0.68, 1);
  margin-top: 0;
}
.mm-settings.open {
  max-height: 220px; opacity: 1; transform: translateY(0); margin-top: 4px;
}

.mm-theme {
  width: 100%; display: flex; align-items: center; justify-content: space-between; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  font-family: inherit; font-size: 14px; padding: 13px 14px; border-radius: 10px;
  transition: border-color .2s, background .2s;
}
.mm-theme:hover { border-color: var(--blue); }
.mm-theme .blue { margin-right: 4px; }
.mm-theme .mm-theme-val { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.mm-theme .sw { width: 8px; height: 8px; border-radius: 2px; background: var(--blue); }

@media (max-width: 1100px) {
  .nav { justify-content: space-between; }
  .nav-links { display: none; }
  .theme-btn { display: none; }
  .menu-btn { display: inline-flex; margin-left: auto; order: 99; }
}
@media (min-width: 1101px) {
  .mobile-menu, .menu-overlay { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: 150px 0 96px; border-top: none; min-height: 92vh; min-height: 92svh; display: flex; align-items: center; }
.hero-inner { width: 100%; }
.hero-variant { display: none; }
.hero-variant.active { display: block; opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .hero-variant.active { animation: rise .55s cubic-bezier(.2,.7,.2,1); }
}
@keyframes rise { from { transform: translateY(16px); } to { transform: none; } }

.status-pill {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  padding: 7px 14px 7px 11px; border-radius: 999px; font-size: 12.5px; color: var(--muted);
  margin-bottom: 28px; max-width: 100%;
}
.status-pill .led { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 10px var(--yellow); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .55; transform: scale(.82); } }
.status-pill b { color: var(--text); font-weight: 600; }

.hero h1 { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: clamp(52px, 9vw, 116px); line-height: 0.92; letter-spacing: -0.035em; }
.hero h1 .l2 { color: var(--blue); }
.hero-role { font-size: clamp(15px, 2.2vw, 21px); color: var(--text); margin-top: 22px; letter-spacing: 0.01em; }
.hero-role .sep { color: var(--yellow); margin: 0 10px; }
.hero-pitch { color: var(--muted); max-width: 56ch; margin-top: 20px; font-size: 15px; line-height: 1.75; }
.hero-pitch .hl { color: var(--text); border-bottom: 1px solid var(--blue-deep); }

.contact-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.term-out .faint { color: var(--faint); }
.contact-row--term { margin-top: 8px; }
.grp--spaced { margin-top: 14px; }
.cbtn {
  display: inline-flex; align-items: center; gap: 9px; text-decoration: none;
  border: 1px solid var(--line); background: var(--elev); color: var(--text);
  padding: 11px 16px; border-radius: 10px; font-size: 13.5px;
  transition: transform .15s, border-color .2s, background .2s;
}
.cbtn:hover { border-color: var(--blue); transform: translateY(-2px); background: var(--surface); }
.cbtn .k { color: var(--faint); }
.cbtn.primary { background: var(--blue-deep); border-color: var(--blue-deep); color: var(--on-blue); }
.cbtn.primary:hover { box-shadow: 0 0 0 3px var(--blue-glow); }
.cbtn .ic { width: 15px; height: 15px; }

/* Hero variant 2 — terminal window */
.term {
  border: 1px solid var(--glass-border); border-radius: 14px; overflow: hidden;
  background: var(--glass-bg); box-shadow: var(--glass-shadow); max-width: 720px;
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
}
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); background: color-mix(in oklab, var(--surface) 45%, transparent); }
.term-bar .d { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.term-bar .d.r { background: oklch(0.62 0.20 25); }
.term-bar .d.y { background: var(--yellow); }
.term-bar .d.g { background: oklch(0.72 0.16 150); }
.term-bar .ttl { margin-left: 8px; font-size: 12px; color: var(--faint); }
.term-body { padding: 24px 24px 28px; font-size: 14.5px; }
.term-line { display: flex; gap: 10px; margin-bottom: 4px; white-space: nowrap; }
.term-line .p { color: var(--blue); flex: none; }
.term-out { color: var(--muted); padding: 4px 0 16px; }
.term-out b { color: var(--text); }
.term-out .y { color: var(--yellow); }
.term-name { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: clamp(34px,6vw,60px); line-height: 1; letter-spacing: -0.03em; color: var(--text); margin: 6px 0 10px; }

/* Hero variant 2 — terminal + floating glass stack bubbles */
.term-grid { display: grid; grid-template-columns: 1.18fr 0.82fr; gap: 18px; align-items: stretch; }
.term-grid .term { max-width: none; }
.stack-float {
  position: relative; display: flex; flex-direction: column; min-height: 390px;
  border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow); overflow: hidden;
}
.sf-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line-soft);
  font-size: 12px; color: var(--faint);
  background: color-mix(in oklab, var(--surface) 45%, transparent);
}
.sf-run { display: inline-flex; align-items: center; gap: 7px; color: var(--yellow); }
.sf-led { width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 8px var(--yellow); animation: pulse 2.4s ease-in-out infinite; }
.sf-field {
  position: relative; flex: 1; min-height: 390px; overflow: hidden;
  perspective: 900px; transform-style: preserve-3d;
}
.sf-field::before {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 88%; height: 74%; border-radius: 50%;
  background:
    radial-gradient(circle at 42% 44%, var(--blue-glow), transparent 56%),
    radial-gradient(circle at 65% 58%, var(--yellow-glow), transparent 64%);
  filter: blur(36px); opacity: 0.58;
}
.sf-field::after {
  content: ""; position: absolute; inset: 12%;
  border: 1px solid color-mix(in oklab, var(--blue) 36%, transparent);
  border-radius: 50%;
  transform: rotateX(64deg) rotateZ(-18deg);
  opacity: 0.22;
  box-shadow:
    0 0 0 34px color-mix(in oklab, var(--blue) 10%, transparent),
    0 0 0 76px color-mix(in oklab, var(--yellow) 8%, transparent);
}
.bub {
  position: absolute; display: flex; align-items: center; justify-content: center; text-align: center;
  border-radius: 50%; font-size: 11px; font-weight: 700; letter-spacing: 0;
  border: 1px solid var(--glass-border); overflow: hidden; will-change: transform, filter;
  text-shadow: 0 1px 8px oklch(0 0 0 / 0.38);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transform:
    translate3d(0, 0, var(--z0, 0px))
    rotateX(var(--rx0, 0deg))
    rotateY(var(--ry0, 0deg))
    scale(var(--s0, 1));
  animation: bubDrift var(--dur, 11s) cubic-bezier(.45, 0, .55, 1) var(--delay, 0s) infinite alternate both;
}
.bub::before {
  content: ""; position: absolute; inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 24%, oklch(1 0 0 / 0.68), transparent 25%);
  filter: blur(1px); opacity: 0.85;
}
.bub span { position: relative; z-index: 1; }
.bub.b-blue {
  color: #eaf3ff;
  background:
    radial-gradient(circle at 34% 28%, oklch(1 0 0 / 0.58), oklch(1 0 0 / 0.06) 44%, transparent 72%),
    linear-gradient(155deg, oklch(0.62 0.18 250), oklch(0.45 0.17 255));
  box-shadow: inset 0 2px 6px oklch(1 0 0 / 0.4), inset 0 -14px 26px oklch(0 0 0 / 0.24), 0 16px 34px -10px var(--blue-glow);
}
.bub.b-yellow {
  color: #3a2c05;
  background:
    radial-gradient(circle at 34% 28%, oklch(1 0 0 / 0.6), oklch(1 0 0 / 0.08) 46%, transparent 72%),
    radial-gradient(circle at 50% 120%, var(--yellow), transparent 70%);
  box-shadow: inset 0 2px 6px oklch(1 0 0 / 0.5), inset 0 -10px 20px oklch(0.4 0.16 80 / 0.24), 0 14px 30px -10px var(--yellow-glow);
}
.bub.b-steel {
  color: oklch(0.94 0.012 252);
  background:
    radial-gradient(circle at 34% 28%, oklch(1 0 0 / 0.62), oklch(1 0 0 / 0.08) 44%, transparent 72%),
    linear-gradient(155deg, oklch(0.58 0.025 252), oklch(0.34 0.018 252));
  box-shadow: inset 0 2px 6px oklch(1 0 0 / 0.44), inset 0 -12px 22px oklch(0 0 0 / 0.26), 0 14px 30px -12px oklch(0.6 0.02 252 / 0.38);
}
.bub.b-green {
  color: oklch(0.98 0.008 150);
  background:
    radial-gradient(circle at 34% 28%, oklch(1 0 0 / 0.55), oklch(1 0 0 / 0.06) 44%, transparent 72%),
    linear-gradient(155deg, oklch(0.66 0.12 155), oklch(0.42 0.1 160));
  box-shadow: inset 0 2px 6px oklch(1 0 0 / 0.4), inset 0 -12px 22px oklch(0 0 0 / 0.22), 0 14px 30px -12px oklch(0.66 0.12 155 / 0.38);
}
.bub::after {
  content: ""; position: absolute; top: -20%; left: -12%; width: 38%; height: 150%;
  background: linear-gradient(90deg, transparent, oklch(1 0 0 / 0.55), transparent);
  filter: blur(2px); animation: bubShine 9s ease-in-out infinite;
}
.sf-1 { top: 22%; left: 30%; width: 110px; height: 110px; font-size: 12px; z-index: 8; --z0: 38px; --x1: 5px; --y1: -15px; --z1: 50px; --rx1: 6deg; --ry1: -8deg; --dur: 9.5s; }
.sf-2 { top: 3%;  left: 3%;  width: 78px; height: 78px; font-size: 12px; z-index: 7; --z0: 28px; --x1: -8px; --y1: -12px; --z1: 40px; --rx1: -5deg; --ry1: 9deg; --dur: 11s; }
.sf-3 { top: 6%; left: 68%; width: 58px; height: 58px; font-size: 13px; z-index: 6; --z0: 18px; --x1: 7px; --y1: 11px; --z1: 28px; --rx1: 6deg; --ry1: 8deg; --dur: 10.5s; --delay: -.6s; }
.sf-4 { top: 33%; left: 70%; width: 64px; height: 64px; z-index: 5; --z0: 28px; --x1: -8px; --y1: -12px; --z1: 40px; --rx1: -5deg; --ry1: 9deg; --dur: 12s; --delay: -1.4s; }
.sf-5 { top: 45%; left: 0; width: 78px; height: 78px; z-index: 7; --z0: 8px; --x1: -6px; --y1: 13px; --z1: 20px; --rx1: -7deg; --ry1: -6deg; --dur: 11.6s; --delay: -.3s; }
.sf-6 { top: 60%; left: 34%; width: 74px; height: 74px; font-size: 12px; z-index: 8; --z0: 38px; --x1: 5px; --y1: -15px; --z1: 50px; --rx1: 6deg; --ry1: -8deg; --dur: 10.8s; --delay: -.8s; }
.sf-7 { top: 50%; left: 77%; width: 60px; height: 60px; font-size: 13px; z-index: 7; --z0: 18px; --x1: 7px; --y1: 11px; --z1: 28px; --rx1: 6deg; --ry1: 8deg; --dur: 10.2s; --delay: -1.2s; }
.sf-8 { top: 70%; left: 57%; width: 66px; height: 66px; z-index: 6; --z0: 8px; --x1: -6px; --y1: 13px; --z1: 20px; --rx1: -7deg; --ry1: -6deg; --dur: 12.2s; --delay: -.5s; }
.sf-9 { top: 76%; left: 18%; width: 58px; height: 58px; font-size: 12px; z-index: 5; --z0: 28px; --x1: -8px; --y1: -12px; --z1: 40px; --rx1: -5deg; --ry1: 9deg; --dur: 11.4s; --delay: -1s; }
.sf-10 { top: 16%; left: 52%; width: 54px; height: 54px; font-size: 12px; z-index: 4; --z0: -6px; --s0: .94; --x1: 8px; --y1: -9px; --z1: 10px; --rx1: 7deg; --ry1: 10deg; --s1: .98; --dur: 12s; --delay: -.2s; }
.sf-11 { top: 8%; left: 35%; width: 68px; height: 68px; font-size: 9.5px; z-index: 3; --z0: 8px; --x1: -6px; --y1: 13px; --z1: 20px; --rx1: -7deg; --ry1: -6deg; --dur: 12.6s; --delay: -1.1s; }
.sf-12 { top: 25%; left: 6%; width: 62px; height: 62px; font-size: 9.5px; z-index: 4; --z0: 18px; --x1: 7px; --y1: 11px; --z1: 28px; --rx1: 6deg; --ry1: 8deg; --dur: 11.8s; --delay: -.7s; }
.sf-13 { top: 43%; left: 45%; width: 70px; height: 70px; font-size: 9.5px; z-index: 5; --z0: -6px; --s0: .94; --x1: 8px; --y1: -9px; --z1: 10px; --rx1: 7deg; --ry1: 10deg; --s1: .98; --dur: 13s; --delay: -1.5s; }
.sf-14 { top: 63%; left: 73%; width: 52px; height: 52px; font-size: 11px; z-index: 5; --z0: 28px; --x1: -8px; --y1: -12px; --z1: 40px; --rx1: -5deg; --ry1: 9deg; --dur: 12.4s; --delay: -.4s; }
.sf-15 { top: 84%; left: 43%; width: 50px; height: 50px; font-size: 12px; z-index: 4; --z0: 18px; --x1: 7px; --y1: 11px; --z1: 28px; --rx1: 6deg; --ry1: 8deg; --dur: 11.2s; --delay: -1.3s; }
.sf-16 { top: 78%; left: 1%; width: 58px; height: 58px; font-size: 11px; z-index: 3; --z0: -6px; --s0: .94; --x1: 8px; --y1: -9px; --z1: 10px; --rx1: 7deg; --ry1: 10deg; --s1: .98; --dur: 12.8s; --delay: -.9s; }
.sf-17 { top: 33%; left: 24%; width: 54px; height: 54px; font-size: 11px; z-index: 3; --z0: 8px; --x1: -6px; --y1: 13px; --z1: 20px; --rx1: -7deg; --ry1: -6deg; --dur: 12.1s; --delay: -.6s; }
.sf-18 { top: 84%; left: 72%; width: 58px; height: 58px; font-size: 11px; z-index: 4; --z0: 38px; --x1: 5px; --y1: -15px; --z1: 50px; --rx1: 6deg; --ry1: -8deg; --dur: 11.7s; --delay: -1.7s; }
.sf-10, .sf-11, .sf-12, .sf-15, .sf-16, .sf-17, .sf-18 {
  opacity: 0.82;
  --bub-filter: saturate(0.9) brightness(0.96);
  filter: var(--bub-filter);
}
@keyframes bubDrift {
  from {
    transform:
      translate3d(0, 0, var(--z0, 0px))
      rotateX(var(--rx0, 0deg))
      rotateY(var(--ry0, 0deg))
      scale(var(--s0, 1));
  }
  to {
    transform:
      translate3d(var(--x1, 0px), var(--y1, 0px), var(--z1, var(--z0, 0px)))
      rotateX(var(--rx1, 0deg))
      rotateY(var(--ry1, 0deg))
      scale(var(--s1, var(--s0, 1)));
  }
}
@keyframes bubShine { 0% { transform: translateX(-130%) rotate(20deg); } 55%,100% { transform: translateX(260%) rotate(20deg); } }
@media (max-width: 900px) {
  .term-grid { grid-template-columns: 1fr; }
  .stack-float { display: none; }
}

/* Hero variant 3 — split with status panel */
.hero-split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.panel {
  border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass-bg);
  box-shadow: var(--glass-shadow); overflow: hidden;
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); background: color-mix(in oklab, var(--surface) 45%, transparent); font-size: 12px; color: var(--faint); letter-spacing: 0.04em; }
.panel-head .live { display: inline-flex; align-items: center; gap: 7px; color: var(--yellow); }
.panel-head .live .led { width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 8px var(--yellow); animation: pulse 2.4s infinite; }
.stat-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); font-size: 13px; }
.stat-row:last-child { border-bottom: none; }
.stat-row .k { color: var(--faint); }
.stat-row .v { color: var(--text); font-weight: 600; }
.stat-row .v.b { color: var(--blue); }
.stat-row .v.y { color: var(--yellow); }
.bars { display: flex; gap: 3px; }
.bars i { width: 4px; height: 13px; background: var(--line); border-radius: 1px; }
.bars i.on { background: var(--blue); box-shadow: 0 0 6px var(--blue-glow); }

/* Hero variant switcher — collapsible dropdown */
.hero-switch { position: relative; display: inline-block; margin-bottom: 30px; }
.hs-trigger {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  background: var(--elev); border: 1px solid var(--line); color: var(--text);
  font-family: inherit; font-size: 12px; padding: 9px 13px; border-radius: 11px;
  transition: border-color .2s, background .2s;
}
.hs-trigger:hover { border-color: var(--blue); }
.hs-trigger .lab { font-size: 11px; color: var(--faint); letter-spacing: 0.06em; }
.hs-current { display: inline-flex; align-items: center; gap: 7px; color: var(--text); }
.hs-current .n { color: var(--yellow); }
.hs-arrow { color: var(--faint); transition: transform .2s ease; font-size: 10px; }
.hero-switch.open .hs-arrow { transform: rotate(180deg); }
.hs-menu {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 60;
  display: flex; flex-direction: column; gap: 2px; min-width: 100%;
  background: color-mix(in oklab, var(--elev) 97%, transparent);
  backdrop-filter: blur(14px); border: 1px solid var(--line); border-radius: 11px;
  padding: 6px; box-shadow: var(--shadow);
  opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.hero-switch.open .hs-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.hs-menu button {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; text-align: left; white-space: nowrap;
  background: transparent; border: 1px solid transparent; color: var(--muted);
  font-family: inherit; font-size: 13px; padding: 9px 12px; border-radius: 7px; transition: all .16s;
}
.hs-menu button .n { color: var(--faint); }
.hs-menu button:hover { color: var(--text); background: var(--surface); }
.hs-menu button.on { color: var(--text); border-color: var(--blue); background: var(--surface); }
.hs-menu button.on .n { color: var(--yellow); }

/* ============================================================
   ARCHITECTURE — principles
   ============================================================ */
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: color-mix(in oklab, var(--line-soft) 45%, transparent); border: 1px solid var(--glass-border); border-radius: 14px; overflow: hidden; box-shadow: var(--glass-shadow); }
.principle { background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); padding: 30px 28px; transition: background .25s; }
.principle:hover { background: var(--glass-bg-hi); }
.principle .pn { font-size: 12px; color: var(--yellow); margin-bottom: 14px; letter-spacing: 0.05em; }
.principle h3 { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 21px; letter-spacing: -0.01em; margin-bottom: 10px; }
.principle h3 .c { color: var(--blue); }
.principle p { color: var(--muted); font-size: 13.5px; line-height: 1.7; }
.principle.wide { grid-column: 1 / -1; display: grid; grid-template-columns: 200px 1fr; gap: 24px; align-items: center; }
.principle.wide h3 { font-size: 24px; }

/* ============================================================
   SECURITY
   ============================================================ */
.sec-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 26px; }
.sec-statement { border-left: 2px solid var(--yellow); padding: 4px 0 4px 24px; }
.sec-statement p { font-family: "Space Grotesk", sans-serif; font-size: clamp(22px, 3vw, 30px); line-height: 1.35; letter-spacing: -0.015em; color: var(--text); }
.sec-statement p .b { color: var(--blue); }
.sec-statement p .y { color: var(--yellow); }
.sec-statement .meta { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--faint); margin-top: 22px; letter-spacing: 0.02em; }
.sec-layers { display: flex; flex-direction: column; gap: 1px; background: color-mix(in oklab, var(--line-soft) 45%, transparent); border: 1px solid var(--glass-border); border-radius: 12px; overflow: hidden; box-shadow: var(--glass-shadow); }
.layer { background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); padding: 16px 18px; display: grid; grid-template-columns: 26px 130px 1fr; gap: 14px; align-items: center; transition: background .2s; }
.layer:hover { background: var(--glass-bg-hi); }
.layer .lk { font-size: 12px; color: var(--yellow); }
.layer .lt { color: var(--text); font-size: 13.5px; font-weight: 600; }
.layer .lv { color: var(--muted); font-size: 12.5px; }

/* ============================================================
   STACK — bento
   ============================================================ */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cell {
  border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  padding: 22px 22px 24px; position: relative; overflow: hidden;
  transition: transform .18s, border-color .2s, background .2s;
}
.cell:hover { transform: translateY(-3px); border-color: var(--blue-deep); background: var(--glass-bg-hi); }
.cell::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue), transparent); opacity: 0; transition: opacity .25s; }
.cell:hover::before { opacity: 1; }
.cell .ch { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.cell .ct { font-size: 12px; color: var(--yellow); letter-spacing: 0.04em; }
.cell .cn { font-size: 11px; color: var(--faint); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font-size: 12.5px; color: var(--text); background: var(--surface); border: 1px solid var(--line-soft); padding: 5px 10px; border-radius: 7px; transition: all .16s; cursor: default; white-space: nowrap; }
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.key { color: var(--on-yellow); background: var(--yellow); border-color: var(--yellow); font-weight: 600; }
.chip.key-gcp { color: var(--on-blue); background: var(--blue); border-color: var(--blue); font-weight: 600; }
.col-6 { grid-column: span 6; } .col-4 { grid-column: span 4; } .col-3 { grid-column: span 3; } .col-2 { grid-column: span 2; }

/* ============================================================
   EXPERIENCE — timeline
   ============================================================ */
.tl { position: relative; padding-left: 30px; }
.tl::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--blue-deep), var(--line-soft)); }
.job { position: relative; padding: 0 0 38px; }
.job:last-child { padding-bottom: 0; }
.job::before { content: ""; position: absolute; left: -30px; top: 5px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--blue); box-shadow: 0 0 0 4px var(--bg), 0 0 12px var(--blue-glow); }
.job.lead::before { background: var(--yellow); border-color: var(--yellow); box-shadow: 0 0 0 4px var(--bg), 0 0 14px var(--yellow-glow); }
.job-top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.job-co { font-family: "Space Grotesk", sans-serif; font-size: 14px; color: var(--blue); letter-spacing: 0.02em; }
.job-when { font-size: 12px; color: var(--faint); }
.job h3 { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 20px; letter-spacing: -0.01em; margin: 6px 0 4px; }
.job .loc { font-size: 12px; color: var(--faint); margin-bottom: 12px; }
.job p { color: var(--muted); font-size: 13.5px; line-height: 1.7; max-width: 70ch; }
.job .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.job .tags span { font-size: 11.5px; color: var(--faint); border: 1px solid var(--line-soft); padding: 3px 8px; border-radius: 6px; white-space: nowrap; }
.grp { margin-bottom: 10px; }
.grp-co { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.grp-co .nm { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 22px; letter-spacing: -0.01em; white-space: nowrap; }
.grp-co .dur { font-size: 12px; color: var(--yellow); border: 1px solid var(--line); padding: 3px 9px; border-radius: 999px; white-space: nowrap; }

/* ============================================================
   SELECTED WORK
   ============================================================ */
.work { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  border: 1px solid var(--glass-border); border-radius: 16px; background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  padding: 26px 26px 24px; display: flex; flex-direction: column; transition: transform .18s, border-color .2s, background .2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--blue-deep); background: var(--glass-bg-hi); }
.card .ctop { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.card .cidx { font-size: 12px; color: var(--yellow); }
.card .corg { font-size: 12px; color: var(--faint); }
.card h3 { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 22px; letter-spacing: -0.015em; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 13.5px; line-height: 1.7; flex: 1; }
.card .ctags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.card .ctags span { font-size: 12px; color: var(--text); background: var(--surface); border: 1px solid var(--line-soft); padding: 4px 9px; border-radius: 7px; white-space: nowrap; }
.card .ctags span.h { color: var(--blue); border-color: var(--blue-deep); }
.card .card-flow { margin-bottom: 8px; }
.card .card-flow .fk { display: inline-block; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--yellow); margin-right: 8px; min-width: 58px; }
.card .card-flow b { color: var(--text); font-weight: 600; }
.job ul.job-bullets { margin: 12px 0 0; padding-left: 1.15em; color: var(--muted); font-size: 13px; line-height: 1.65; max-width: 72ch; list-style: disc; }
.job ul.job-bullets li { margin-bottom: 7px; }
.job ul.job-bullets b { color: var(--text); font-weight: 600; }

/* ============================================================
   IMPACT — philosophy · metrics · leadership
   ============================================================ */
.impact-intro { border-left: 2px solid var(--blue); padding: 4px 0 4px 24px; margin-bottom: 36px; }
.impact-intro p { font-family: "Space Grotesk", sans-serif; font-size: clamp(20px, 2.6vw, 28px); line-height: 1.38; letter-spacing: -0.015em; color: var(--text); max-width: 62ch; }
.impact-intro p .b { color: var(--blue); }
.impact-intro p .y { color: var(--yellow); }
.impact-intro .meta { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--faint); margin-top: 20px; letter-spacing: 0.02em; }
.impact-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.impact-metric { border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); box-shadow: var(--glass-shadow); padding: 22px 20px; transition: border-color .2s, transform .18s, background .2s; }
.impact-metric:hover { border-color: var(--blue-deep); transform: translateY(-2px); background: var(--glass-bg-hi); }
.impact-metric .val { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: clamp(26px, 4vw, 34px); letter-spacing: -0.03em; color: var(--yellow); line-height: 1.1; }
.impact-metric .lbl { font-size: 12.5px; color: var(--muted); margin-top: 8px; line-height: 1.55; }
.impact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.impact-block { border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); box-shadow: var(--glass-shadow); padding: 24px 24px 22px; }
.impact-block h4 { font-size: 13px; color: var(--blue); margin-bottom: 14px; letter-spacing: 0.03em; }
.impact-block h4 .n { color: var(--yellow); margin-right: 8px; }
.impact-block ul { padding-left: 1.1em; color: var(--muted); font-size: 13.5px; line-height: 1.65; }
.impact-block li { margin-bottom: 8px; }
.impact-block li:last-child { margin-bottom: 0; }
.impact-block b { color: var(--text); font-weight: 600; }
.impact-block p { color: var(--muted); font-size: 13.5px; line-height: 1.7; }
.impact-block.wide { grid-column: 1 / -1; }
@media (max-width: 620px) { .impact-metrics { grid-template-columns: 1fr; } .impact-grid { grid-template-columns: 1fr; } }

/* ============================================================
   CREDENTIALS
   ============================================================ */
.creds { display: grid; grid-template-columns: 1.2fr 1fr 0.8fr; gap: 26px; }
.cred-col {
  border: 1px solid var(--glass-border); border-radius: 14px; background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  padding: 22px 22px 20px; position: relative; overflow: hidden;
}
.cred-col h4 { font-size: 13px; color: var(--blue); margin-bottom: 18px; letter-spacing: 0.03em; }
.cred-col h4 .n { color: var(--yellow); margin-right: 8px; }
.cred-item { padding: 13px 0; border-top: 1px solid var(--line-soft); }
.cred-item:first-of-type { border-top: none; }
.cred-item .ci-t { font-size: 13.5px; color: var(--text); font-weight: 600; line-height: 1.4; }
.cred-item .ci-s { font-size: 12px; color: var(--faint); margin-top: 3px; }
.cred-item .ci-badge { display: inline-block; font-size: 11px; color: var(--yellow); margin-bottom: 6px; letter-spacing: 0.04em; }
.lang { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; border-top: 1px solid var(--line-soft); }
.lang:first-of-type { border-top: none; }
.lang .ln { font-size: 13.5px; color: var(--text); }
.lang .lv { font-size: 11.5px; color: var(--faint); }
.lang .dots { display: flex; gap: 4px; margin-top: 5px; }
.lang .dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.lang .dots i.on { background: var(--blue); box-shadow: 0 0 6px var(--blue-glow); }
@media (max-width: 540px) { .creds { grid-template-columns: 1fr; } }

/* ============================================================
   COMMAND BAR
   ============================================================ */
.cmd {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 300;
  border-top: 1px solid color-mix(in oklab, var(--line) 72%, transparent);
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 58%, transparent), color-mix(in oklab, var(--bg) 72%, transparent)),
    linear-gradient(180deg, oklch(1 0 0 / 0.055), transparent 72%);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow:
    inset 0 1px 0 oklch(1 0 0 / 0.11),
    0 -18px 42px -36px oklch(0 0 0 / 0.72);
}
.cmd-inner {
  max-width: 1120px; margin: 0 auto; display: flex; align-items: center; gap: 12px; height: 52px;
  padding: 0 max(24px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(24px, env(safe-area-inset-left));
}
.cmd .p { color: var(--blue); font-weight: 700; flex: none; }
.cmd input {
  flex: 1; min-width: 0; background: transparent; border: none; outline: none; color: var(--text);
  font-family: "JetBrains Mono", monospace; font-size: 16px; caret-color: var(--yellow);
}
.cmd input::placeholder { color: var(--faint); }
.cmd .hints { display: flex; gap: 6px; flex: none; }
.cmd .hint {
  font-size: 11.5px; color: var(--muted);
  border: 1px solid color-mix(in oklab, var(--line) 68%, transparent);
  background: color-mix(in oklab, var(--surface) 42%, transparent);
  padding: 4px 9px; border-radius: 6px; cursor: pointer; transition: all .16s;
}
.cmd .hint:hover {
  color: var(--text);
  border-color: color-mix(in oklab, var(--blue) 64%, var(--line));
  background: color-mix(in oklab, var(--surface-2) 50%, transparent);
}
.cmd .hint b { color: var(--yellow); }

.cmd-out {
  position: fixed; left: 50%; transform: translateX(-50%) translateY(10px);
  bottom: calc(64px + env(safe-area-inset-bottom)); z-index: 300;
  width: min(680px, calc(100vw - 32px));
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--surface-2) 58%, transparent), color-mix(in oklab, var(--bg) 72%, transparent)),
    linear-gradient(180deg, oklch(1 0 0 / 0.055), transparent 72%);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid color-mix(in oklab, var(--line) 72%, transparent);
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 oklch(1 0 0 / 0.11),
    0 18px 42px -30px oklch(0 0 0 / 0.72);
  padding: 18px 20px; font-size: 13px; line-height: 1.7;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-height: 50vh; overflow: auto;
}
.cmd-out.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.cmd-out .row { display: grid; grid-template-columns: 120px 1fr; gap: 14px; padding: 3px 0; }
.cmd-out .row .c { color: var(--yellow); }
.cmd-out .row .d { color: var(--muted); }
.cmd-out a { color: var(--blue); text-decoration: none; border-bottom: 1px solid var(--blue-deep); }
.cmd-out .head { color: var(--text); margin-bottom: 10px; font-weight: 600; }
.cmd-out .err { color: oklch(0.72 0.16 25); }
.cmd-out .tab-foot { margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--line-soft); color: var(--faint); font-size: 12px; }
.cmd-out .tab-foot b { color: var(--yellow); font-weight: 600; }

@media (min-width: 1101px) {
  body { padding-bottom: calc(52px + env(safe-area-inset-bottom)); }
}

/* ---------- FOOTER ---------- */
.foot {
  border-top: 1px solid var(--line-soft);
  padding: 40px 0 56px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.foot .l { color: var(--faint); font-size: 12.5px; }
.foot .l b { color: var(--muted); }
.foot .r { display: flex; gap: 16px; }
.foot .r a { color: var(--muted); text-decoration: none; font-size: 12.5px; transition: color .2s; }
.foot .r a:hover { color: var(--blue); }

/* ============================================================
   GLASS BLOCK INTERACTION — hover light, not tied to the cursor
   ============================================================ */
.term, .panel, .stack-float, .principle, .layer, .card, .cell,
.impact-metric, .impact-block, .cred-col {
  transition: transform .25s cubic-bezier(.16,1,.3,1), border-color .25s ease,
              background .25s ease, box-shadow .3s ease;
}
/* Glass catches a soft light + lifts on pointer-capable devices */
@media (hover: hover) {
  .term:hover, .panel:hover, .stack-float:hover, .principle:hover, .layer:hover,
  .card:hover, .cell:hover, .impact-metric:hover, .impact-block:hover, .cred-col:hover {
    transform: translateY(-3px);
    border-color: color-mix(in oklab, var(--blue) 28%, var(--glass-border));
    box-shadow:
      var(--glass-shadow),
      inset 0 1px 0 color-mix(in oklab, var(--glass-edge) 52%, transparent),
      inset 0 26px 80px -68px oklch(1 0 0 / 0.28),
      inset 0 -32px 84px -72px color-mix(in oklab, var(--glass-caustic) 44%, transparent);
  }
}


/* ============================================================
   STYLE ENHANCEMENTS — tasteful polish (CSS only, no layout shift)
   ============================================================ */
/* Primary CTA — subtle gradient + smoother hover lift */
.cbtn { transition: transform .2s cubic-bezier(.16,1,.3,1), border-color .2s, background .2s, box-shadow .25s ease; }
.cbtn.primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  border-color: var(--blue-deep);
}
.cbtn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -14px oklch(0 0 0 / 0.5);
}

/* Chips lift gently on hover */
.chip { transition: transform .18s cubic-bezier(.16,1,.3,1), border-color .16s, color .16s, box-shadow .2s ease; }
.chip:hover { transform: translateY(-2px); box-shadow: 0 6px 16px -12px oklch(0 0 0 / 0.45); }

/* Active nav link — animated underline accent */
.nav-links a { position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 11px; right: 11px; bottom: 0; height: 3px;
  background:
    radial-gradient(8px 5px at calc(100% - 2px) 50%, var(--yellow), transparent 72%),
    linear-gradient(90deg, var(--blue) 0%, var(--blue) 84%, color-mix(in oklab, var(--blue) 40%, var(--yellow)) 100%);
  border-radius: 999px;
  transform: scaleX(0.18);
  transform-origin: left;
  opacity: 0;
  filter: blur(0.2px);
  box-shadow:
    0 0 8px color-mix(in oklab, var(--blue) 38%, transparent),
    0 1px 0 oklch(1 0 0 / 0.16);
  transition:
    transform .48s cubic-bezier(.2,.9,.2,1),
    opacity .22s ease,
    filter .35s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  opacity: 1;
  filter: blur(0);
}
.nav-links a.active {
  color: var(--text);
  background: color-mix(in oklab, var(--surface) 54%, transparent);
  box-shadow: inset 0 1px 0 oklch(1 0 0 / 0.08);
}
.nav-links a.active .n { opacity: 1; }

/* Stronger depth on the floating stack bubbles */
.bub { transition: filter .3s ease; }
.stack-float:hover .bub { filter: var(--bub-filter, none) brightness(1.08); }

/* ============================================================
   POLISH LAYER — unified "accent reveal" hover language
   (no glow halos; gradient accents + gentle motion only)
   ============================================================ */

/* Small ticking caret accent next to each section index */
.sec-idx { position: relative; padding-left: 14px; }
.sec-idx::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 1px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
}

/* Architecture principles — left accent bar grows in on hover */
.principle { position: relative; overflow: hidden; }
.principle::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--blue), var(--yellow));
  transform: scaleY(0); transform-origin: top;
  transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.principle:hover::before { transform: scaleY(1); }
.principle .pn { transition: letter-spacing .3s ease, color .3s ease; }
.principle:hover .pn { letter-spacing: 0.12em; }

/* Method layers — same left-accent reveal + key brightens */
.layer { position: relative; }
.layer::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--blue);
  transform: scaleY(0); transform-origin: center;
  transition: transform .35s cubic-bezier(.16,1,.3,1);
}
.layer:hover::before { transform: scaleY(1); }
.layer .lk { transition: color .25s ease; }
.layer:hover .lk { color: var(--blue); }

/* Stack cells — gradient top accent sweeps in on hover */
.cell { position: relative; overflow: hidden; }
.cell::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--yellow));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.cell:hover::before { transform: scaleX(1); }

/* Impact metrics — gradient numerals + top accent */
.impact-metric { position: relative; overflow: hidden; }
.impact-metric::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.impact-metric:hover::before { transform: scaleX(1); }
.impact-metric .val {
  background: linear-gradient(135deg, var(--yellow) 0%, var(--blue) 120%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Impact and credential blocks — subtle edge light to match the rest */
.impact-block, .cred-col { position: relative; overflow: hidden; }
.impact-block::before, .cred-col::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--yellow));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s cubic-bezier(.16,1,.3,1);
}
.impact-block:hover::before, .cred-col:hover::before { transform: scaleX(1); }

/* Experience timeline — richer gradient spine */
.tl::before {
  background: linear-gradient(180deg, var(--yellow), var(--blue-deep) 40%, var(--line-soft)) !important;
}

/* ============================================================
   3D TILT + BLURRED LIGHT — interactive depth on every glass block
   (paired with the module in main.js)
   ============================================================ */
.tilt3d {
  position: relative; overflow: hidden; transform-style: preserve-3d; will-change: transform;
  isolation: isolate;
}
.tilt3d > :not(.glare) {
  position: relative;
  z-index: 2;
}
.glare {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; border-radius: inherit;
  opacity: 0.16; transition: opacity .55s ease; mix-blend-mode: screen;
  filter: blur(24px) saturate(1.08);
  transform: scale(1.08);
  background:
    radial-gradient(ellipse 72% 56% at var(--light-x, 50%) var(--light-y, 42%), oklch(1 0 0 / 0.12), transparent 74%),
    radial-gradient(ellipse 82% 66% at calc(100% - var(--light-x, 50%)) calc(100% - var(--light-y, 42%)), color-mix(in oklab, var(--glass-caustic) 68%, transparent), transparent 80%),
    radial-gradient(ellipse 120% 86% at 50% 0%, oklch(1 0 0 / 0.05), transparent 78%);
}
.glare::before {
  content: ""; position: absolute; inset: -18%; border-radius: inherit; pointer-events: none;
  background:
    radial-gradient(ellipse 46% 34% at 28% 18%, oklch(1 0 0 / 0.13), transparent 72%),
    radial-gradient(ellipse 58% 42% at 78% 88%, color-mix(in oklab, var(--glass-caustic) 56%, transparent), transparent 78%);
  filter: blur(18px);
  opacity: 0.58;
  animation: glareDrift 12s ease-in-out infinite alternate;
}
.glare::after {
  content: ""; position: absolute; inset: 1px; border-radius: inherit; pointer-events: none;
  border: 1px solid oklch(1 0 0 / 0.10);
  mask-image: radial-gradient(ellipse 88% 74% at var(--light-x, 50%) var(--light-y, 42%), #000, transparent 78%);
}
@keyframes glareDrift {
  from { transform: translate3d(-2.5%, -1.5%, 0) scale(1); }
  to { transform: translate3d(2.5%, 1.8%, 0) scale(1.03); }
}

@media (prefers-reduced-motion: reduce) {
  .cbtn.primary:hover, .chip:hover { transform: none !important; }
  .nav-links a::after { transition: none !important; }
  .principle::before, .layer::before, .cell::before,
  .impact-metric::before, .impact-block::before, .cred-col::before,
  .principle .pn, .layer .lk { transition: none !important; }
  .glare::before { animation: none !important; }
  .glare { display: none !important; }
}
@media (prefers-reduced-transparency: reduce) {
  .glare { display: none !important; }
}

/* ============================================================
   TABLET — readable layout up to small laptop widths
   ============================================================ */
@media (max-width: 1100px) {
  .wrap { padding: 0 24px; }
  section { padding: 72px 0; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .status-pill { white-space: normal; flex-wrap: wrap; align-items: flex-start; line-height: 1.5; }
  .sec-desc { margin-left: 0; white-space: normal; flex-basis: 100%; }
  .hero-split { grid-template-columns: 1fr; gap: 32px; }
  .term-line { white-space: normal; flex-wrap: wrap; }
  .principles { grid-template-columns: 1fr; }
  .principle.wide { grid-template-columns: 1fr; gap: 8px; }
  .sec-grid { grid-template-columns: 1fr; gap: 30px; }
  .layer { grid-template-columns: 22px 1fr; }
  .layer .lv { grid-column: 2; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .col-6, .col-4, .col-3, .col-2 { grid-column: span 1; }
  .work { grid-template-columns: 1fr; }
  .impact-metrics { grid-template-columns: repeat(2, 1fr); }
  .creds { grid-template-columns: 1fr 1fr; }
  .creds .cred-col:last-child { grid-column: 1 / -1; }

  .cmd { display: none; }
  body { padding-bottom: 0; }
  .cmd-out { bottom: max(24px, env(safe-area-inset-bottom)); }
}

/* ============================================================
   RESPONSIVE SPACING — phones (consistent rhythm w/ iPad & Mac)
   ============================================================ */
@media (max-width: 600px) {
  .wrap { padding: 0 20px; }
  section { padding: 64px 0; }
  .hero { padding: 116px 0 72px; min-height: auto; }
  .nav {
    gap: 10px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }
  .nav-brand { font-size: 14px; }
  .sec-head { gap: 8px 14px; }
  /* Larger, finger-friendly hero controls */
  .hero-switch button { padding: 9px 13px; }
  .cbtn { padding: 12px 16px; }
  .creds { grid-template-columns: 1fr; gap: 16px; }
  .creds .cred-col:last-child { grid-column: auto; }
}

/* On touch devices, drop hover lifts that can feel sticky */
@media (hover: none) {
  .cbtn:hover, .cell:hover, .card:hover,
  .term:hover, .panel:hover, .stack-float:hover, .principle:hover, .layer:hover,
  .impact-metric:hover, .impact-block:hover, .cred-col:hover { transform: none; }
}

/* ============================================================
   SCROLL ANIMATION LAYER (paired with animations.js)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {

  html.anim-ready [data-rv] {
    opacity: 0;
    will-change: transform, opacity, filter;
    transition:
      opacity .85s cubic-bezier(0.33, 1, 0.68, 1),
      transform .85s cubic-bezier(0.16, 1, 0.3, 1),
      filter .85s cubic-bezier(0.33, 1, 0.68, 1);
    transition-delay: var(--rv-delay, 0ms);
  }
  html.anim-ready [data-rv].is-in {
    opacity: 1;
    transform: none;
    filter: none;
  }

  html.anim-ready[data-anim="reveal"] [data-rv],
  html.anim-ready:not([data-anim]) [data-rv] {
    transform: translateY(18px);
    filter: blur(3px);
  }
  html.anim-ready[data-anim="reveal"] [data-rv="head"],
  html.anim-ready:not([data-anim]) [data-rv="head"] {
    transform: translateY(14px);
    filter: none;
  }
  html.anim-ready[data-anim="reveal"] [data-rv].is-in,
  html.anim-ready:not([data-anim]) [data-rv].is-in {
    transform: none;
    filter: none;
  }

  html.anim-ready[data-anim="wipe"] [data-rv] {
    clip-path: inset(0 0 100% 0);
    transform: translateY(6px);
    filter: none;
    transition:
      clip-path .88s cubic-bezier(0.16, 1, 0.3, 1),
      transform .88s cubic-bezier(0.16, 1, 0.3, 1),
      opacity .55s cubic-bezier(0.33, 1, 0.68, 1);
  }
  html.anim-ready[data-anim="wipe"] [data-rv].is-in {
    clip-path: inset(0 0 0 0);
    transform: none;
  }
  html.anim-ready[data-anim="wipe"] [data-rv="card"],
  html.anim-ready[data-anim="wipe"] [data-rv="cell"],
  html.anim-ready[data-anim="wipe"] [data-rv="metric"],
  html.anim-ready[data-anim="wipe"] .principle[data-rv] {
    position: relative;
  }
  html.anim-ready[data-anim="wipe"] [data-rv="card"]::after,
  html.anim-ready[data-anim="wipe"] [data-rv="cell"]::after,
  html.anim-ready[data-anim="wipe"] [data-rv="metric"]::after,
  html.anim-ready[data-anim="wipe"] .principle[data-rv]::after {
    content: "";
    position: absolute; left: 0; right: 0;
    height: 2px; pointer-events: none; z-index: 4;
    background: linear-gradient(90deg, transparent, var(--blue), transparent);
    box-shadow: 0 0 16px var(--blue-glow);
    opacity: 0; bottom: 0;
  }
  html.anim-ready[data-anim="wipe"] [data-rv="card"].is-in::after,
  html.anim-ready[data-anim="wipe"] [data-rv="cell"].is-in::after,
  html.anim-ready[data-anim="wipe"] [data-rv="metric"].is-in::after,
  html.anim-ready[data-anim="wipe"] .principle[data-rv].is-in::after {
    animation: rvEdge .72s cubic-bezier(.22,.8,.24,1) var(--rv-delay, 0ms) 1;
  }

  html.anim-ready[data-anim="slide"] [data-rv] {
    transform: translateX(-28px);
    filter: none;
    transition:
      opacity .75s cubic-bezier(0.33, 1, 0.68, 1),
      transform .88s cubic-bezier(0.16, 1, 0.3, 1);
  }
  html.anim-ready[data-anim="slide"] [data-rv-side="r"] {
    transform: translateX(28px);
  }
  html.anim-ready[data-anim="slide"] [data-rv].is-in {
    transform: none;
  }

  html.anim-ready .tl { position: relative; }
  html.anim-ready .tl::before {
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 1.1s cubic-bezier(.4,0,.2,1) .1s;
  }
  html.anim-ready .tl.is-in::before { transform: scaleY(1); }

  html.anim-ready .job::before {
    transform: scale(0);
    transition: transform .45s cubic-bezier(.3,1.4,.5,1) var(--rv-delay, 0ms);
  }
  html.anim-ready .job.is-in::before { transform: scale(1); }

  html.anim-ready .lang .dots i.on { transform: scale(0); }
  html.anim-ready .lang.is-in .dots i.on {
    animation: rvDot .34s cubic-bezier(.3,1.5,.5,1) forwards;
    animation-delay: calc(var(--i, 0) * 90ms + 120ms);
  }

  html.anim-ready .term.is-typing .cursor::after {
    content: "▋";
    color: var(--yellow);
    animation: blink 1s steps(1) infinite;
  }

  @keyframes rvEdge {
    0%   { opacity: 0; bottom: 100%; }
    12%  { opacity: 1; }
    88%  { opacity: 1; }
    100% { opacity: 0; bottom: 0; }
  }
  @keyframes rvDot {
    from { transform: scale(0); }
    60%  { transform: scale(1.25); }
    to   { transform: scale(1); }
  }

  html.anim-ready .nav-links a.active,
  html.anim-ready .mm-links a.active { color: var(--text); }
  html.anim-ready .nav-links a.active { background: color-mix(in oklab, var(--surface) 54%, transparent); }
  html.anim-ready .nav-links a.active .n { opacity: 1; }
}

.anim-hint { position: relative; }
.anim-hint .anim-lab { color: var(--yellow); }
.anim-hint .anim-caret { color: var(--faint); transition: transform .2s ease, color .2s ease; display: inline-block; }
.anim-pop {
  position: absolute; bottom: calc(100% + 10px); right: 0;
  display: none; flex-direction: column; gap: 2px; min-width: 148px;
  background: color-mix(in oklab, var(--elev) 97%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 11px; padding: 6px;
  box-shadow: var(--shadow); z-index: 330;
}
.anim-pop.open { display: flex; }
.anim-pop button {
  display: flex; align-items: center; gap: 8px; cursor: pointer; text-align: left;
  background: transparent; border: 1px solid transparent; color: var(--muted);
  font-family: inherit; font-size: 12px; padding: 8px 11px; border-radius: 7px;
  transition: all .16s;
}
.anim-pop button .n { color: var(--faint); }
.anim-pop button:hover { color: var(--text); background: var(--surface); }
.anim-pop button.on { border-color: var(--blue); color: var(--text); }
.anim-pop button.on .n { color: var(--yellow); }

.mm-anim-head { font-size: 13px; color: var(--text); margin-bottom: 8px; padding: 0 2px; }
#mmAnim { display: flex; gap: 6px; margin-bottom: 10px; }
#mmAnim button {
  flex: 1; cursor: pointer; font-family: inherit; font-size: 12px;
  padding: 11px 8px; border-radius: 9px;
  background: var(--surface); border: 1px solid var(--line); color: var(--muted);
  transition: all .16s;
}
#mmAnim button.on { border-color: var(--blue); color: var(--text); background: var(--elev); }

/* ============================================================
   PRINT / PDF — clean CV export (⌘P or `cv` in command bar)
   ============================================================ */
@media print {
  .bg-grid, .crt, .boot, .nav, .menu-btn, .mobile-menu, .menu-overlay,
  .cmd, .cmd-out, .toast, .hero-switch, .theme-btn, .mm-foot,
  .aura, .scrollbar, .stack-float {
    display: none !important;
  }
  body::before { display: none !important; }

  html, body {
    background: #fff !important;
    color: #111 !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  body { padding-bottom: 0 !important; }

  .wrap { max-width: none; padding: 0 12mm; }

  section {
    padding: 8mm 0 !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .hero {
    padding: 0 0 6mm !important;
    min-height: auto !important;
  }

  .hero-variant { display: block !important; }
  .hero-variant:not(.active) { display: none !important; }

  .sec-head, .card, .cell, .cred-col, .cred-item, .impact-block, .impact-metric, .job {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* Flatten glass for print — solid white, no blur */
  .cell, .card, .panel, .term, .principle, .layer, .cred-col,
  .impact-metric, .impact-block, .status-pill,
  .principles, .sec-layers, .term-bar, .panel-head {
    background: #fff !important;
    border-color: #ccc !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }

  a { color: #111 !important; text-decoration: underline !important; }
  .impact-metric .val { -webkit-text-fill-color: #111 !important; color: #111 !important; background: none !important; }
  .foot { border-top: 1px solid #ccc; padding: 6mm 0; }
  .foot .r a::after { content: " (" attr(href) ")"; font-size: 10px; color: #555; }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }
}