/* ============================================================
   UZAIF PORTFOLIO - style.css
   Light theme: Blue / Yellow / White
   Dark theme:  Red / Gold / Black
   Single source of truth for all color via CSS variables.
   ============================================================ */

/* ── CSS VARIABLES ── */
:root {
  /* ── Core palette ── */
  --bg:               #f8f8f5;
  --bg-alt:           #f0eff7;
  --surface:          #ffffff;
  --surface-2:        #eeedf8;
  --border:           #dddce8;
  --text:             #16161a;
  --text-2:           #4a4a60;
  --text-3:           #8888a0;
  --accent:           #2563eb;
  --accent-2:         #f5c518;
  --accent-glow:      rgba(37, 99, 235, 0.18);
  --accent-2-glow:    rgba(245, 197, 24, 0.22);
  --nav-bg:           rgba(248, 248, 245, 0.82);
  --card-shadow:      0 4px 32px rgba(37, 99, 235, 0.08);
  --card-hover:       0 8px 48px rgba(37, 99, 235, 0.16);
  --pill-bg:          #eeedf8;
  --pill-hover:       #2563eb;
  --pill-hover-text:  #fff;
  --timeline-line:    #dddce8;
  --dot-color:        #2563eb;

  /* ── Background layer colors ── */
  --color-grid:           rgba(37, 99, 235, 0.07);
  --color-atmosphere-1:   rgba(37, 99, 235, 0.06);
  --color-atmosphere-2:   rgba(245, 197, 24, 0.05);
  --color-atmosphere-3:   rgba(37, 99, 235, 0.04);
  --color-micro-element:  rgba(37, 99, 235, 0.12);
  --color-glass:          rgba(255, 255, 255, 0.72);

  /* ── UB Web Care section ── */
  --color-ub-background:  #f7f5ef;
  --color-ub-foreground:  #123d2b;
  --color-ub-accent:      #0f3c29;

  /* ── Scroll-driven parallax offset (set by JS) ── */
  --scroll-offset: 0px;

  /* ── Typography ── */
  --font-display: "Syne", sans-serif;
  --font-body:    "DM Sans", sans-serif;
  --font-mono:    "JetBrains Mono", monospace;

  /* ── Transition ── */
  --t:  0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ts: 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  --bg:               #0a0a0a;
  --bg-alt:           #111111;
  --surface:          #161616;
  --surface-2:        #1e1e1e;
  --border:           #2a2a2a;
  --text:             #f0efe8;
  --text-2:           #a8a89a;
  --text-3:           #666660;
  --accent:           #c0392b;
  --accent-2:         #d4a017;
  --accent-glow:      rgba(192, 57, 43, 0.22);
  --accent-2-glow:    rgba(212, 160, 23, 0.2);
  --nav-bg:           rgba(10, 10, 10, 0.88);
  --card-shadow:      0 4px 32px rgba(192, 57, 43, 0.1);
  --card-hover:       0 8px 48px rgba(192, 57, 43, 0.22);
  --pill-bg:          #1e1e1e;
  --pill-hover:       #c0392b;
  --pill-hover-text:  #f0efe8;
  --timeline-line:    #2a2a2a;
  --dot-color:        #d4a017;

  --color-grid:           rgba(192, 57, 43, 0.08);
  --color-atmosphere-1:   rgba(192, 57, 43, 0.07);
  --color-atmosphere-2:   rgba(212, 160, 23, 0.05);
  --color-atmosphere-3:   rgba(192, 57, 43, 0.04);
  --color-micro-element:  rgba(192, 57, 43, 0.16);
  --color-glass:          rgba(22, 22, 22, 0.78);

  --color-ub-background:  #0b412ac2;
  --color-ub-foreground:  #f0efe8;
  --color-ub-accent:      #f5f3ec;
}

/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--t), color var(--t);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
}

/* ── SKIP LINK ── */
.skip-link {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 99999;
  padding: 8px 16px;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0 0 8px 8px;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ── SCROLL PROGRESS BAR ── */
#scroll-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ── LOADING SCREEN ── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 99998; /* below skip-link (99999), above everything else */
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  /* Fade-out transition - triggered by JS adding .loader-hidden */
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
#loader.loader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  user-select: none;
}

.loader-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loader-logo-mark {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  box-shadow: 0 10px 30px var(--accent-glow);
  animation: loaderLogoFloat 2.4s ease-in-out infinite;
}

@keyframes loaderLogoFloat {
  0%, 100% { transform: translateY(0px) scale(1); filter: drop-shadow(0 8px 24px var(--accent-glow)); }
  50%      { transform: translateY(-6px) scale(1.03); filter: drop-shadow(0 14px 32px var(--accent-glow)); }
}

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  animation: loaderPulse 1.6s ease-in-out infinite;
}
.loader-logo span { color: var(--accent); }

@keyframes loaderPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

.loader-bar-track {
  width: min(260px, 60vw);
  height: 3px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 99px;
  transition: width 0.25s ease-out;
}

.loader-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* While loader is active, prevent body scroll */
body.is-loading {
  overflow: hidden;
}

/* ── CONTAINER ── */.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ════════════════════════════════════════════════════════════
   BACKGROUND SYSTEM - 3 LAYERS
   ════════════════════════════════════════════════════════════ */

/* Layer 1 + 3: Canvas (grid + micro-elements) */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Layer 2: Atmospheric light blobs */
.atm-blob {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
  transform: translateZ(0);
}
.atm-blob-1 {
  width: 600px;
  height: 600px;
  background: var(--color-atmosphere-1);
  top: -10%;
  left: -10%;
  animation: blobDrift1 18s ease-in-out infinite alternate;
  transform: translateY(calc(var(--scroll-offset) * -0.12));
}
.atm-blob-2 {
  width: 500px;
  height: 500px;
  background: var(--color-atmosphere-2);
  top: 30%;
  right: -8%;
  animation: blobDrift2 22s ease-in-out infinite alternate;
  transform: translateY(calc(var(--scroll-offset) * -0.09));
}
.atm-blob-3 {
  width: 400px;
  height: 400px;
  background: var(--color-atmosphere-3);
  bottom: 5%;
  left: 20%;
  animation: blobDrift3 26s ease-in-out infinite alternate;
  transform: translateY(calc(var(--scroll-offset) * -0.07));
}

@keyframes blobDrift1 {
  from { transform: translate(0, calc(var(--scroll-offset) * -0.12)) scale(1); }
  to   { transform: translate(40px, calc(var(--scroll-offset) * -0.12 + 60px)) scale(1.08); }
}
@keyframes blobDrift2 {
  from { transform: translate(0, calc(var(--scroll-offset) * -0.09)) scale(1); }
  to   { transform: translate(-50px, calc(var(--scroll-offset) * -0.09 + 80px)) scale(1.06); }
}
@keyframes blobDrift3 {
  from { transform: translate(0, calc(var(--scroll-offset) * -0.07)) scale(1); }
  to   { transform: translate(30px, calc(var(--scroll-offset) * -0.07 - 40px)) scale(1.04); }
}

/* UB Logo ambient element */
#ub-logo-bg {
  position: fixed;
  bottom: 6%;
  right: 4%;
  width: 240px;
  height: 240px;
  pointer-events: none;
  z-index: 0;
  animation: ubFloat 12s ease-in-out infinite alternate;
  transform: translateY(calc(var(--scroll-offset) * -0.06));
}
[data-theme="light"]  #ub-logo-bg { opacity: 0.04; }
[data-theme="dark"]   #ub-logo-bg { opacity: 0.05; }

@keyframes ubFloat {
  from { transform: translate(0, calc(var(--scroll-offset) * -0.06)) rotate(-3deg); }
  to   { transform: translate(-8px, calc(var(--scroll-offset) * -0.06 + 20px)) rotate(3deg); }
}


/* ════════════════════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--t), border-color var(--t), padding var(--t), box-shadow var(--t);
}
#navbar.navbar--scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.10);
}

/* Keep a theme switch to one cheap style update instead of animating the page. */
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
  transition: none !important;
  animation-play-state: paused !important;
}
.theme-switching #bg-canvas { visibility: hidden; }
.theme-switching .atm-blob { filter: none; }
.theme-switching #navbar {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: height var(--t);
}
#navbar.navbar--scrolled .nav-inner { height: 56px; }

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color var(--t), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo:hover {
  transform: translateY(-1px);
}
.nav-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px var(--accent-glow);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.nav-logo:hover .nav-logo-mark {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.nav-logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.03em;
  position: relative;
  transition: color var(--t);
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--t);
}
.nav-link:hover,
.nav-link--active { color: var(--accent); }
.nav-link:hover::after,
.nav-link--active::after { width: 100%; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

#theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: background var(--t), color var(--t), transform 0.2s;
}
#theme-toggle:hover { background: var(--accent); color: #fff; transform: rotate(20deg); }
#theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hamburger:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }


/* ════════════════════════════════════════════════════════════
   HERO - LANGUAGE SEQUENCE + IDENTITY OVERLAY
   ════════════════════════════════════════════════════════════ */

/* Scroll driver wrapper */
#hero-driver {
  position: relative;
  z-index: 2; /* above .section { z-index: 1 } so the sticky hero is never covered */
  /* height set dynamically by JS: LANGUAGES.length * 1.8 * 100vh */
}

/* Sticky hero viewport */
.sticky-hero {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

/* Language image stage */
#hero-lang-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  will-change: transform;
  transform: translateZ(0);
}

/* Fixed-size box: identical footprint for every one of the 18 greetings.
   JS auto-fits each greeting's font-size to fill this box consistently
   regardless of script (Latin vs CJK vs Indic vs Arabic all differ in
   natural glyph size at the same font-size value). Generous size + fit
   margins below leave breathing room so descenders/wide glyphs never clip. */
#hero-lang-box {
  position: relative;
  width: min(880px, 92vw);
  height: min(340px, 50vh);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  user-select: none;
  will-change: transform;
  transform: translateZ(0);
}

#hero-lang-text {
  display: inline-block;
  line-height: 1.15;
  white-space: nowrap;
  text-align: center;
  color: var(--accent);
  opacity: 0;
  will-change: opacity, transform;
  transform: translateZ(0);
  /* Fast, non-directional fade - no clip/slide, so nothing appears to
     shift left/right between languages, and quick scrolling never
     outruns the transition. */
  transition: opacity 0.1s linear;
  -webkit-user-drag: none;
}

#hero-lang-text.revealed { opacity: 1; }

/* Per-script font families for the "Hello" sequence */
.lang-pacifico        { font-family: "Pacifico", cursive; }
.lang-kalam            { font-family: "Kalam", cursive; }
.lang-baloo-bhaijaan   { font-family: "Baloo Bhaijaan 2", cursive; }
.lang-baloo-tamma      { font-family: "Baloo Tamma 2", cursive; }
.lang-baloo-tammudu    { font-family: "Baloo Tammudu 2", cursive; }
.lang-baloo-paaji      { font-family: "Baloo Paaji 2", cursive; }
.lang-baloo-thambi     { font-family: "Baloo Thambi 2", cursive; }
.lang-zcool            { font-family: "ZCOOL KuaiLe", cursive; }
.lang-yuji             { font-family: "Yuji Syuku", serif; }
.lang-gamja            { font-family: "Gamja Flower", cursive; }


/* Content escape hatch and minimal scroll cue */
.hero-scroll-control {
  position: absolute;
  left: 50%;
  bottom: 46px;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface-2);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateX(-50%);
  transition: background var(--t), border-color var(--t), color var(--t), transform var(--t);
}
.hero-scroll-control i { color: var(--accent); }
.hero-scroll-control:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateX(-50%) translateY(-2px);
}
.hero-scroll-control:hover i { color: #fff; }
.hero-scroll-control:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.hero-scroll-control.is-hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 21px;
  z-index: 12;
  color: var(--text-3);
  font-size: 0.65rem;
  transform: translateX(-50%);
  animation: heroScrollHint 1.8s ease-in-out infinite;
}

@keyframes heroScrollHint {
  0%, 100% { opacity: 0.35; transform: translate(-50%, 0); }
  50% { opacity: 0.9; transform: translate(-50%, 4px); }
}

/* Frame counter badge */
#hero-frame-badge {
  position: absolute;
  bottom: 36px;
  right: 36px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  z-index: 4;
  opacity: 0.6;
  pointer-events: none;
}

/* ── HERO IDENTITY OVERLAY ── */
#hero-identity {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 max(40px, 5vw);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s var(--ts);
  will-change: opacity;
  overflow: hidden; /* clip within the 100vh sticky box */
}
#hero-identity.visible {
  opacity: 1;
  pointer-events: auto;
}

.hero-id-inner {
  max-width: 760px;
  padding-top: 64px; /* nav clearance */
  padding-bottom: 24px;
  max-height: 100%;
  overflow-y: auto;
  scrollbar-width: none; /* hide scrollbar visually */
}
.hero-id-inner::-webkit-scrollbar { display: none; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s 0.1s var(--ts), transform 0.5s 0.1s var(--ts);
}
#hero-identity.visible .hero-eyebrow { opacity: 1; transform: translateY(0); }

.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 7vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.2s var(--ts), transform 0.6s 0.2s var(--ts);
}
#hero-identity.visible .hero-name { opacity: 1; transform: translateY(0); }

.hero-name-line { display: block; }
.hero-name-line.accent { color: var(--accent); }
.accent-dot { color: var(--accent-2); }

.hero-tagline {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 540px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s 0.35s var(--ts), transform 0.5s 0.35s var(--ts);
  /* Fake outline (background-colored stroke) so the text stays readable
     as the animated background keeps moving behind it during scroll */
  text-shadow:
    -1px -1px 0 var(--bg), 1px -1px 0 var(--bg),
    -1px  1px 0 var(--bg), 1px  1px 0 var(--bg),
     0   -1.5px 0 var(--bg), 0  1.5px 0 var(--bg),
    -1.5px 0 0 var(--bg), 1.5px 0 0 var(--bg);
}
#hero-identity.visible .hero-tagline { opacity: 1; transform: translateY(0); }

.hero-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s 0.45s var(--ts), transform 0.5s 0.45s var(--ts);
}
#hero-identity.visible .hero-capabilities { opacity: 1; transform: translateY(0); }

.hero-cap {
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}
.hero-cap-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 4px;
}
.hero-cap strong {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}
.hero-cap p {
  font-size: 0.8rem;
  color: var(--text-2);
  line-height: 1.55;
  text-shadow:
    -1px -1px 0 var(--bg), 1px -1px 0 var(--bg),
    -1px  1px 0 var(--bg), 1px  1px 0 var(--bg),
     0   -1.5px 0 var(--bg), 0  1.5px 0 var(--bg),
    -1.5px 0 0 var(--bg), 1.5px 0 0 var(--bg);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s 0.55s var(--ts), transform 0.5s 0.55s var(--ts);
}
#hero-identity.visible .hero-ctas { opacity: 1; transform: translateY(0); }

.hero-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s 0.65s var(--ts), transform 0.5s 0.65s var(--ts);
  position: relative;
  z-index: 5;
}
#hero-identity.visible .hero-links { opacity: 1; transform: translateY(0); }

.hero-links a {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 1rem;
  transition: all 0.22s;
  border: 1px solid var(--border);
}
.hero-links a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-3px); }
.hero-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* UB SVG icon inside hero-links and footer-links */
.ub-link-icon {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
  filter: grayscale(1) opacity(0.5);
  transition: filter 0.22s;
}
/* On hover the parent gets accent background (hero) or accent color (footer);
   invert + brightness makes the SVG read as white against the accent fill */
.hero-links a:hover .ub-link-icon  { filter: grayscale(0) brightness(0) invert(1); }
.footer-links a:hover .ub-link-icon { filter: grayscale(0) brightness(0) invert(1); }

/* Show correct variant per theme */
[data-theme="light"] .ub-link-icon--dark  { display: none; }
[data-theme="dark"]  .ub-link-icon--light { display: none; }

/* Footer UB link needs same box model as its siblings */
.footer-link-ub {
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-link-ub .ub-link-icon {
  width: 18px;
  height: 18px;
}


/* ════════════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.24s;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::before { opacity: 1; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-glow); }

.btn-outline {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
}
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }


/* ════════════════════════════════════════════════════════════
   SECTION COMMON
   ════════════════════════════════════════════════════════════ */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
  background: var(--bg);
}
.section-alt { background: var(--bg-alt); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 14px;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--text-2);
  margin-bottom: 56px;
  max-width: 560px;
}

.accent { color: var(--accent); }


/* ════════════════════════════════════════════════════════════
   REVEAL ANIMATIONS
   ════════════════════════════════════════════════════════════ */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity var(--ts), transform var(--ts);
}
.reveal         { transform: translateY(28px); }
.reveal-left    { transform: translateX(-36px); }
.reveal-right   { transform: translateX(36px); }

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* Stagger delays via data-delay attribute */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.6s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes drawLine {
  from { stroke-dashoffset: 200; }
  to   { stroke-dashoffset: 0; }
}
@keyframes orbPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 0 8px transparent; }
}


/* ════════════════════════════════════════════════════════════
   ABOUT - 3 CAPABILITY PANELS
   ════════════════════════════════════════════════════════════ */
.about-panels {
  display: flex;
  flex-direction: column;
  gap: 72px;
}

/* Stats strip above panels */
.about-stats-strip {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.stat-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: var(--card-shadow);
  transition: all 0.28s;
  flex: 1;
  min-width: 160px;
}
.stat-chip:hover { transform: translateY(-3px); box-shadow: var(--card-hover); border-color: var(--accent); }
.stat-chip-icon { font-size: 1.25rem; color: var(--accent); }
.stat-chip-val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
}
.stat-chip-label { font-size: 0.75rem; color: var(--text-3); margin-top: 2px; }

/* Panel layout: alternates visual left/right */
.about-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-panel.panel-reverse { direction: rtl; }
.about-panel.panel-reverse > * { direction: ltr; }

.about-panel-text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text);
}
.about-panel-text p {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 12px;
}
.about-panel-text strong { color: var(--text); }

/* Panel visual areas */
.about-panel-visual {
  position: relative;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Panel 1: Problem Solving - clip/resolve visual */
.ps-visual {
  width: 100%;
  height: 260px;
  position: relative;
  overflow: hidden;
}
.ps-block {
  position: absolute;
  border-radius: 12px;
  transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.ps-block-1 {
  width: 160px; height: 160px;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  top: 20px; left: 10%;
  transform: rotate(-8deg);
}
.ps-block-2 {
  width: 100px; height: 100px;
  background: var(--accent-2-glow);
  border: 2px solid var(--accent-2);
  top: 60px; left: 28%;
  transform: rotate(12deg);
}
.ps-block-3 {
  width: 80px; height: 80px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  top: 110px; left: 50%;
  transform: rotate(-5deg);
}
.ps-label {
  position: absolute;
  bottom: 12px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.about-panel.visible .ps-block-1 { transform: rotate(0deg) translate(0, 0); }
.about-panel.visible .ps-block-2 { transform: rotate(0deg) translate(10px, 0); }
.about-panel.visible .ps-block-3 { transform: rotate(0deg) translate(20px, 0); }

/* Panel 2: Technical Breadth - radial nodes */
.tb-visual {
  width: 260px; height: 260px;
  position: relative;
  margin: 0 auto;
}
.tb-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-align: center;
  z-index: 2;
  animation: tbFloat 4s ease-in-out infinite;
}

@keyframes tbFloat {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50%       { transform: translate(-50%, -50%) translateY(-10px); }
}
.tb-node {
  position: absolute;
  padding: 4px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-2);
  white-space: nowrap;
  transition: all 0.3s;
  transform: translate(-50%, -50%) scale(0.85);
  opacity: 0.7;
}
.tb-node:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translate(-50%, -50%) scale(1); opacity: 1; }

/* Panel 3: AI Tool Fluency - cascading stream */
.af-visual {
  width: 100%;
  min-height: 200px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: center;
}
.af-chip {
  padding: 6px 14px;
  background: var(--pill-bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.5s var(--ts), transform 0.5s var(--ts),
              background 0.2s, color 0.2s;
}
.af-chip:hover { background: var(--pill-hover); color: var(--pill-hover-text); border-color: var(--pill-hover); }
.about-panel.visible .af-chip { opacity: 1; transform: translateX(0); }


/* ════════════════════════════════════════════════════════════
   WHAT I BUILD - SYSTEMS FLOW
   ════════════════════════════════════════════════════════════ */
.build-flow-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.build-flow-line {
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
  z-index: 0;
}
.build-flow-line-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  height: 0%;
  transition: height 1.2s var(--ts);
}
.build-flow-wrap.visible .build-flow-line-fill { height: 100%; }

.flow-node-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  width: 100%;
  margin-bottom: 0;
}
.flow-node-wrap:nth-child(odd)  { justify-content: flex-start; padding-right: 52%; }
.flow-node-wrap:nth-child(even) { justify-content: flex-end;   padding-left:  52%; }

/* Connector dot at the spine */
.flow-node-wrap::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  z-index: 2;
  transition: box-shadow 0.3s;
}
.flow-node-wrap:hover::after { box-shadow: 0 0 0 6px var(--accent-glow); }

.flow-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 200px;
  max-width: 240px;
  cursor: default;
  transition: all 0.28s;
  box-shadow: var(--card-shadow);
}
.flow-node:hover {
  border-color: var(--accent);
  box-shadow: var(--card-hover);
  transform: scale(1.02);
}
.flow-node-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.flow-node-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 6px;
  word-break: break-word;
  overflow-wrap: break-word;
}
.flow-node-desc {
  font-size: 0.8rem;
  color: var(--text-2);
  line-height: 1.55;
}


/* ════════════════════════════════════════════════════════════
   TECH HUB-AND-SPOKE
   ════════════════════════════════════════════════════════════ */
#hub-stage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.hub-wrap {
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hub-center {
  position: relative;
  z-index: 10;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: var(--card-shadow);
  text-align: center;
}
.hub-center:hover,
.hub-wrap.hub-active .hub-center {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 10px var(--accent-glow), var(--card-hover);
  transform: scale(1.06);
}
.hub-center:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.hub-icon {
  font-size: 1.6rem;
  color: var(--accent);
  line-height: 1;
  transition: color 0.3s;
}
.hub-center:hover .hub-icon,
.hub-wrap.hub-active .hub-icon { color: #fff; }

.hub-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 6px;
  transition: color 0.3s;
  line-height: 1.2;
  text-align: center;
}
.hub-center:hover .hub-label,
.hub-wrap.hub-active .hub-label { color: rgba(255,255,255,0.85); }

/* SVG connector lines */
.hub-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 5;
  overflow: visible;
}
.hub-svg line {
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: stroke-dashoffset 0.4s ease;
  opacity: 0.4;
}
.hub-wrap.hub-active .hub-svg line { stroke-dashoffset: 0; }

/* Spoke nodes */
.hub-spokes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.spoke-node {
  position: absolute;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s var(--ts), opacity 0.35s var(--ts);
  z-index: 8;
}
.hub-wrap.hub-active .spoke-node {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  pointer-events: auto;
}
.spoke-label {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-2);
  white-space: nowrap;
  display: block;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: default;
}
.spoke-node:hover .spoke-label,
.spoke-node:focus .spoke-label {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.spoke-node:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 100px; }


/* ════════════════════════════════════════════════════════════
   RESUME BLOCK
   ════════════════════════════════════════════════════════════ */
.resume-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--card-shadow);
}
.resume-summary {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.resume-summary p {
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 620px;
}
.resume-kicker {
  margin-bottom: 8px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.resume-meta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.resume-meta i {
  width: 18px;
  color: var(--accent);
}
.resume-points {
  margin-bottom: 24px;
  padding-left: 18px;
  color: var(--text-2);
}
.resume-points li { margin-bottom: 10px; }
.resume-points li:last-child { margin-bottom: 0; }
.resume-certifications {
  margin: 26px 0 24px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.certification-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.certification-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  transition: border-color 0.2s, transform 0.2s;
}
.certification-list a:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.certification-list span {
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
}


/* ════════════════════════════════════════════════════════════
   PROJECTS - 3-COLUMN FEATURED + SECONDARY
   ════════════════════════════════════════════════════════════ */
.projects-featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.proj-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  min-height: 360px;
  height: 480px;
}
.proj-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.proj-panel:hover,
.proj-panel.proj-open {
  border-color: var(--accent);
  box-shadow: var(--card-hover);
}
.proj-panel:hover::before,
.proj-panel.proj-open::before { opacity: 1; }

.proj-default {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  transition: opacity 0.15s ease;
}
.proj-panel.proj-open .proj-default { opacity: 0; pointer-events: none; }

.proj-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.proj-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem;
  color: var(--accent);
  margin-bottom: 18px;
  transition: all 0.24s;
  flex-shrink: 0;
}
.proj-panel:hover .proj-icon-wrap { background: var(--accent); color: #fff; }

.proj-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  color: var(--text);
}
.proj-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.proj-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}
.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.proj-tags span {
  padding: 3px 9px;
  background: var(--accent-2-glow);
  border: 1px solid var(--accent-2);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font-mono);
}
.proj-status {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
  font-family: var(--font-mono);
}
.proj-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
  margin-top: auto;
  padding-top: 10px;
}

/* Expanded overlay */
.proj-expanded {
  position: absolute;
  inset: 0;
  padding: 24px;
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.proj-panel.proj-open .proj-expanded { opacity: 1; pointer-events: auto; }

/* Mini architecture flow inside project card */
.proj-arch {
  margin-bottom: 12px;
  flex-shrink: 0;
}
.proj-arch-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.proj-arch-flow {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.proj-arch-step {
  display: flex;
  align-items: center;
  gap: 6px;
}
.arch-node {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  white-space: nowrap;
}
.arch-arrow {
  font-size: 0.68rem;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  padding-left: 14px; /* centres the arrow under the arch-node text */
}
.proj-detail p {
  font-size: 0.82rem;
  color: var(--text-2);
  margin-bottom: 8px;
  line-height: 1.55;
}
.proj-detail strong { color: var(--text); }
.proj-exp-links {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  flex-wrap: wrap;
}
.proj-exp-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  padding: 6px 12px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}
.proj-exp-link:hover { background: var(--accent); color: #fff; }
.proj-exp-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.proj-close-btn {
  position: absolute;
  top: 14px; right: 14px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, background 0.2s, color 0.2s;
}
.proj-panel.proj-open .proj-close-btn { opacity: 1; pointer-events: auto; }
.proj-close-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Secondary projects row */
.projects-secondary-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.projects-secondary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.project-card-sm {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.3s;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.project-card-sm::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card-sm:hover { transform: translateY(-4px); box-shadow: var(--card-hover); border-color: var(--accent); }
.project-card-sm:hover::before { opacity: 1; }
.project-card-sm:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.project-card-sm .proj-num { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-3); letter-spacing: 0.12em; margin-bottom: 10px; }
.project-card-sm h3 { font-family: var(--font-display); font-size: 1.125rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; color: var(--text); position: relative; z-index: 1; }
.project-card-sm p  { font-size: 0.875rem; color: var(--text-2); margin-bottom: 14px; line-height: 1.65; position: relative; z-index: 1; }
.project-card-sm .proj-tags { position: relative; z-index: 1; }
.project-card-sm .proj-arrow {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  position: relative; z-index: 1;
  margin-top: auto;
  padding-top: 12px;
  transition: gap 0.2s;
}
.project-card-sm:hover .proj-arrow { gap: 10px; }


/* ════════════════════════════════════════════════════════════
   UB WEB CARE SECTION
   ════════════════════════════════════════════════════════════ */
#ubwebcare {
  background: var(--color-ub-background);
  color: var(--color-ub-foreground);
}

.ub-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 10px;
}
.ub-wordmark {
  width: 60px; height: 60px;
  object-fit: contain;
  flex-shrink: 0;
}
.ub-wordmark--light { display: block; }
.ub-wordmark--dark  { display: none; }
[data-theme="dark"] .ub-wordmark--light { display: none; }
[data-theme="dark"] .ub-wordmark--dark  { display: block; }

.ub-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ub-foreground);
}

.ub-tagline {
  font-size: 1.125rem;
  color: var(--text-2);
  margin-bottom: 48px;
  max-width: 540px;
}

.ub-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.ub-service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  transition: all 0.28s;
  box-shadow: var(--card-shadow);
}
.ub-service-card:hover { transform: translateY(-3px); box-shadow: var(--card-hover); border-color: var(--accent); }

.ub-service-icon {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}
.ub-service-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  color: var(--text);
}
.ub-service-desc {
  font-size: 0.8125rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 8px;
}
.ub-service-price {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.ub-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ub-logo-watermark {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 320px;
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
}
.ub-logo-watermark--light { display: block; }
.ub-logo-watermark--dark  { display: none; }
[data-theme="dark"] .ub-logo-watermark--light { display: none; }
[data-theme="dark"] .ub-logo-watermark--dark  { display: block; }


/* ════════════════════════════════════════════════════════════
   JOURNEY - CINEMATIC TIMELINE
   ════════════════════════════════════════════════════════════ */
.timeline-wrapper {
  position: relative;
  padding-left: 40px;
  margin-bottom: 56px;
}
.timeline-spine {
  position: absolute;
  left: 11px; top: 0; bottom: 0;
  width: 2px;
  background: var(--timeline-line);
  overflow: hidden;
}
.timeline-spine-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  transition: height 1.4s var(--ts);
}
.timeline-wrapper.visible .timeline-spine-fill { height: 100%; }

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -34px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--border);
  transition: all 0.3s;
  z-index: 1;
}
.timeline-item:hover .timeline-dot {
  background: var(--dot-color);
  border-color: var(--dot-color);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.timeline-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 26px;
  transition: all 0.28s;
  box-shadow: var(--card-shadow);
}
.timeline-item:hover .timeline-content {
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--card-hover);
}
.timeline-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.timeline-content p {
  color: var(--text-2);
  font-size: 0.9375rem;
}

/* Fun facts */
.facts-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 56px;
}
.fact-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-2);
  transition: all 0.22s;
}
.fact-chip i { color: var(--accent); }
.fact-chip:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); box-shadow: var(--card-shadow); }

/* Currently Exploring */
.now-exploring {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 32px;
  box-shadow: var(--card-shadow);
}
.exploring-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}
.exploring-chip {
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  transition: all 0.2s;
}
.exploring-chip:hover { background: var(--accent); color: #fff; transform: scale(1.04); }
.exploring-note {
  font-size: 0.875rem;
  color: var(--text-3);
  font-style: italic;
}


/* ════════════════════════════════════════════════════════════
   CONTACT
   ════════════════════════════════════════════════════════════ */
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 32px;
}
.contact-prompt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.subject-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.subject-btn {
  padding: 12px 18px;
  text-align: left;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all 0.22s;
  font-family: var(--font-body);
}
.subject-btn:hover,
.subject-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateX(4px);
}
.subject-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.email-btn { margin-bottom: 16px; }
.contact-email-display {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.03em;
}

/* Social card */
.contact-social-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}
.social-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  transition: background 0.22s;
  text-decoration: none;
  color: inherit;
}
.social-row:last-child { border-bottom: none; }
.social-row:hover { background: var(--surface-2); }
.social-row:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.social-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}
.social-icon.li { background: #0077b5; }
.social-icon.gh { background: #24292e; }
.social-icon.ig { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-icon.wa { background-color: var(--surface-2); color: var(--text); }
.social-icon.wa .fa-whatsapp { color: #25d366; }
.social-name { font-weight: 600; font-size: 0.9375rem; color: var(--text); }
.social-handle { font-size: 0.8rem; color: var(--text-3); font-family: var(--font-mono); }
.social-arrow { margin-left: auto; color: var(--text-3); font-size: 0.75rem; transition: transform 0.22s, color 0.22s; }
.social-row:hover .social-arrow { transform: translateX(4px); color: var(--accent); }

/* WhatsApp box */
.whatsapp-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-top: 14px;
  box-shadow: var(--card-shadow);
}
.whatsapp-head {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}
.whatsapp-head .fab {
  color: #fff;
  background: #25d366;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  font-size: 1rem;
}
.whatsapp-box p { color: var(--text-2); margin-bottom: 12px; }
.whatsapp-btn { background: #25d366; border-color: #25d366; color: #fff; box-shadow: 0 4px 16px rgba(37,211,102,0.14); }
.whatsapp-btn:hover { transform: translateY(-2px); }

/* Contact business CTA */
.contact-business-cta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: var(--card-shadow);
}
.contact-business-cta p {
  color: var(--text-2);
  font-size: 0.9375rem;
  flex: 1;
  min-width: 200px;
}


/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 36px 24px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
}
.footer-logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  flex-shrink: 0;
  box-shadow: 0 3px 10px var(--accent-glow);
  transition: transform 0.25s ease;
}
.footer-brand:hover .footer-logo-mark {
  transform: scale(1.06);
}
.footer-copy { font-size: 0.8125rem; color: var(--text-3); }
.footer-links { display: flex; gap: 14px; }
.footer-links a {
  color: var(--text-3);
  font-size: 1rem;
  transition: color 0.2s, transform 0.2s;
}
.footer-links a:hover { color: var(--accent); transform: translateY(-2px); }
.footer-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }


/* ════════════════════════════════════════════════════════════
   MOBILE NAV OVERLAY
   ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .resume-summary { grid-template-columns: 1fr; gap: 18px; }
  .certification-list { grid-template-columns: 1fr; }

  #navbar {
    background: var(--surface) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 1px solid var(--border);
  }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    left: 0; right: 0;
    top: 64px;
    height: auto;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    background: var(--surface);
    border-bottom: 2px solid var(--accent);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 14px 18px;
    transform: translateY(-12px);
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1), opacity 0.22s ease;
    z-index: 10005;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    opacity: 0;
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links .nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    font-size: 1rem;
    color: var(--text);
    font-weight: 600;
    padding: 13px 14px;
    border-radius: 10px;
    border: none;
    background: transparent;
    letter-spacing: 0.01em;
    transition: background 0.15s, color 0.15s;
  }
  .nav-links .nav-link:hover,
  .nav-links .nav-link.nav-link--active { background: var(--surface-2); color: var(--accent); }
  .nav-links .nav-link::after { display: none; }

  /* Hero mobile */
  .sticky-hero { align-items: flex-start; padding-bottom: 0; overflow-y: auto; }
  #hero-lang-box { width: 92vw; height: 42vh; min-height: 150px; }
  #hero-identity { padding: 0 20px; align-items: flex-start; overflow-y: auto; }
  .hero-id-inner { max-width: 100%; padding-top: 80px; padding-bottom: 40px; }
  .hero-capabilities { grid-template-columns: 1fr; gap: 12px; }
  .hero-scroll-control { bottom: 42px; }
  .hero-scroll-hint { bottom: 17px; }

  /* About */
  .about-panel { grid-template-columns: 1fr; gap: 32px; }
  .about-panel.panel-reverse { direction: ltr; }
  .about-stats-strip { gap: 12px; }
  .stat-chip { min-width: 140px; }

  /* Build flow */
  .flow-node-wrap:nth-child(odd)  { justify-content: flex-start; padding-right: 48%; }
  .flow-node-wrap:nth-child(even) { justify-content: flex-end;   padding-left: 48%; }
  .flow-node { min-width: 160px; max-width: 180px; padding: 12px 14px; }

  /* Tech hubs */
  #hub-stage { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hub-wrap { min-height: 240px; }

  /* Projects */
  .projects-featured { grid-template-columns: 1fr; }
  .projects-secondary { grid-template-columns: 1fr; }

  /* UB */
  .ub-services-grid { grid-template-columns: 1fr 1fr; }

  /* Journey */
  .timeline-wrapper { padding-left: 28px; }
  .timeline-dot { left: -22px; }

  /* Contact */
  .contact-box { grid-template-columns: 1fr; gap: 32px; }

  /* Footer */
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }

  /* Atm blobs smaller */
  .atm-blob-1 { width: 300px; height: 300px; }
  .atm-blob-2 { width: 250px; height: 250px; }
  .atm-blob-3 { width: 200px; height: 200px; }
  #ub-logo-bg { width: 150px; height: 150px; }
}

@media (max-width: 480px) {
  .about-stats-strip { gap: 10px; }
  .stat-chip { min-width: 100%; }
  #hub-stage { grid-template-columns: 1fr; }
  .hero-name { font-size: 2.8rem; }
  .ub-services-grid { grid-template-columns: 1fr; }
  .contact-business-cta { flex-direction: column; align-items: flex-start; }
}


/* ════════════════════════════════════════════════════════════
   REDUCED MOTION
   ════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  /* Kill all keyframe animations */
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  /* Reveal elements immediately */
  .reveal, .reveal-left, .reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  /* Hero: show identity immediately, no sequence */
  #hero-identity {
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  #hero-identity > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  /* Atm blobs: static */
  .atm-blob { animation: none !important; }
  /* UB logo: static */
  #ub-logo-bg { animation: none !important; }
  /* Dot pulse: off */
  .dot { animation: none !important; }
  /* Scroll hint: static */
  .hero-scroll-hint { animation: none !important; }
  /* Float: off */
  .tb-center { animation: none !important; transform: translate(-50%, -50%) !important; }
}