/* ============================================================================
   Kartikeya Karnatak — Portfolio
   style.css

   Design language: "operator's console" — calm, instrumented, executive.
   One confident accent (signal amber). Everything else quiet and disciplined.

   Structure of this file:
     1. Tokens & themes
     2. Base / reset / typography
     3. Layout primitives (container, section, eyebrow)
     4. Buttons & shared UI
     5. Loader / scroll progress / nav
     6. Hero
     7. About / Metrics / Experience / GenAI / Projects / Skills / Awards / Hobbies
     8. Contact / Footer / Floating elements
     9. Reveal animations
    10. Responsive (mobile-first up)
    11. Reduced motion
   ============================================================================ */

/* ---------- 1. TOKENS & THEMES ---------------------------------------- */
:root {
  /* Type — all sans-serif */
  --font-display: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Brand palette — a small, coordinated multi-color system.
     Amber leads; teal, coral and violet are supporting accents used
     per-section so the page reads colorful but disciplined. */
  --amber: #E8A33D;
  --amber-deep: #C9821B;
  --teal: #2FA39A;
  --teal-deep: #2A7C76;
  --coral: #E2664E;
  --coral-deep: #C44D38;
  --violet: #7C6CE0;
  --violet-deep: #5E4FC2;
  --sky: #3E9BD8;

  /* Signature gradients (reused everywhere for consistency) */
  --grad-brand: linear-gradient(120deg, var(--amber), var(--coral) 55%, var(--violet));
  --grad-warm:  linear-gradient(120deg, var(--amber), var(--coral));
  --grad-cool:  linear-gradient(120deg, var(--teal), var(--sky));
  --grad-accent: linear-gradient(120deg, var(--amber), var(--coral-deep));
  --grad-soft:  linear-gradient(135deg,
                  color-mix(in srgb, var(--amber) 16%, transparent),
                  color-mix(in srgb, var(--violet) 14%, transparent));

  /* Per-section accent (overridden on each section below) */
  --section-accent: var(--amber);

  /* Fluid spacing */
  --space-section: clamp(4.5rem, 9vw, 9rem);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);

  color-scheme: dark;
}

/* DARK (default) — near-black ink */
:root[data-theme="dark"] {
  --bg: #0B0E11;
  --bg-2: #0F1318;
  --surface: #141A20;
  --surface-2: #1A222A;
  --line: rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.16);
  --ink: #F2F0EB;
  --ink-soft: #B7BDC4;
  --ink-faint: #767E88;
  --accent: var(--amber);
  --accent-ink: #0B0E11;
  --glass: rgba(20,26,32,.66);
  --shadow: 0 20px 50px -24px rgba(0,0,0,.7);
  color-scheme: dark;
}

/* LIGHT — warm executive paper */
:root[data-theme="light"] {
  --bg: #F6F4EF;
  --bg-2: #EFEBE2;
  --surface: #FFFFFF;
  --surface-2: #F2EEE6;
  --line: rgba(20,16,8,.10);
  --line-strong: rgba(20,16,8,.18);
  --ink: #1A1712;
  --ink-soft: #514B41;
  --ink-faint: #8A8276;
  --accent: var(--amber-deep);
  --accent-ink: #FFFFFF;
  --glass: rgba(255,255,255,.72);
  --shadow: 0 18px 44px -22px rgba(60,45,15,.28);
  color-scheme: light;
}

/* ---------- 2. BASE / RESET / TYPOGRAPHY ------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, .55vw + .9rem, 1.075rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background .5s var(--ease), color .5s var(--ease);
}
body.nav-open { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.05; letter-spacing: -.015em; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed; top: -100px; left: 16px; z-index: 999;
  background: var(--accent); color: var(--accent-ink);
  padding: .6rem 1rem; border-radius: 8px; font-weight: 600;
  transition: top .25s var(--ease);
}
.skip-link:focus { top: 16px; }

/* ---------- 3. LAYOUT PRIMITIVES -------------------------------------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.75rem); }

.section { padding-block: var(--space-section); position: relative; }
.section-impact, .section-genai, .section-skills, .section-hobbies { background: var(--bg-2); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-faint);
  display: flex; align-items: center; gap: .7rem;
  margin-bottom: 1.6rem;
}
.eyebrow .sec-no {
  color: var(--accent); font-weight: 600;
  border: 1px solid var(--line-strong); border-radius: 6px;
  padding: .15rem .5rem;
}

.section-lead {
  font-size: clamp(1.6rem, 3.4vw, 2.75rem);
  max-width: 22ch; line-height: 1.12; margin-bottom: 2.8rem;
}
.section-title { font-size: clamp(1.7rem, 3.6vw, 2.9rem); margin-bottom: .6rem; }
.section-note { color: var(--ink-soft); margin-bottom: 2.4rem; font-size: .95rem; }

/* ---------- 4. BUTTONS ------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .78rem 1.35rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; letter-spacing: .01em;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  border: 1px solid transparent; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 24px -12px var(--accent); }
.btn-primary:hover { background: var(--amber-deep); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: var(--glass); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 5a. LOADER ------------------------------------------------- */
#loader {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
#loader.done { opacity: 0; visibility: hidden; }
.loader-inner { width: min(420px, 80vw); text-align: left; }
.loader-name {
  font-family: var(--font-display); font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 600; letter-spacing: -.02em; margin-bottom: 1.3rem;
  overflow: hidden; white-space: nowrap;
  border-right: 2px solid var(--accent);
  animation: loaderType 1s steps(18) forwards, loaderCaret .6s step-end infinite;
}
@keyframes loaderType { from { width: 0; } to { width: 100%; } }
@keyframes loaderCaret { 50% { border-color: transparent; } }
.loader-track { height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.loader-bar { display: block; height: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; }
.loader-meta {
  display: flex; justify-content: space-between; margin-top: .9rem;
  font-family: var(--font-mono); font-size: .78rem; color: var(--ink-faint);
  letter-spacing: .06em; text-transform: uppercase;
}
.loader-meta #loaderPct { color: var(--accent); }

/* ---------- 5b. SCROLL PROGRESS --------------------------------------- */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200; background: transparent; }
.scroll-progress span { display: block; height: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; }

/* ---------- 5c. NAV ---------------------------------------------------- */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 150; transition: background .35s var(--ease), border-color .35s var(--ease); border-bottom: 1px solid transparent; }
.navbar.scrolled { background: var(--glass); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); border-bottom-color: var(--line); }
.nav-wrap { max-width: var(--maxw); margin-inline: auto; padding: .85rem clamp(1.25rem, 4vw, 2.75rem); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .65rem; font-weight: 600; }
.brand-mark {
  font-family: var(--font-mono); font-weight: 600; font-size: .85rem;
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line-strong); border-radius: 9px; color: var(--accent);
}
.brand-name { font-family: var(--font-display); font-size: 1.02rem; }

.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-link {
  font-size: .92rem; color: var(--ink-soft); padding: .4rem .8rem; border-radius: 999px;
  position: relative; transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }

.nav-actions { display: flex; align-items: center; gap: .75rem; }
.nav-resume { padding: .5rem 1rem; font-size: .9rem; }
.nav-resume i { font-size: .8rem; }

/* theme toggle — single icon riding inside the thumb */
.theme-toggle { padding: 4px; border-radius: 999px; }
.toggle-track {
  display: block; width: 56px; height: 28px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--line-strong);
  position: relative; transition: background .35s var(--ease);
}
.toggle-thumb {
  position: absolute; top: 2px; left: 2px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); transition: transform .4s var(--ease), background .35s var(--ease);
  z-index: 1; display: grid; place-items: center;
}
:root[data-theme="light"] .toggle-thumb { transform: translateX(28px); }
.toggle-ico {
  grid-area: 1 / 1; font-size: .68rem; color: var(--accent-ink);
  transition: opacity .3s var(--ease), transform .4s var(--ease);
}
/* dark mode → show moon; light mode → show sun */
.toggle-moon { opacity: 1;  transform: rotate(0); }
.toggle-sun  { opacity: 0;  transform: rotate(-90deg); }
:root[data-theme="light"] .toggle-moon { opacity: 0; transform: rotate(90deg); }
:root[data-theme="light"] .toggle-sun  { opacity: 1; transform: rotate(0); }

/* hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; width: 34px; height: 34px; padding: 7px; }
.hamburger span { display: block; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.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); }

/* ---------- MOBILE DRAWER (body-level; hidden on desktop) ------------- */
.mobile-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(86vw, 360px);
  display: flex; flex-direction: column; align-items: stretch; gap: .35rem;
  background: var(--surface);
  border-left: 1px solid var(--line);
  padding: 1rem 1.4rem 2rem;
  transform: translateX(105%);
  transition: transform .4s var(--ease);
  z-index: 300; overflow-y: auto;
  box-shadow: -24px 0 60px -30px rgba(0,0,0,.6);
  visibility: hidden;
}
.mobile-drawer.open { transform: none; visibility: visible; }
.drawer-link {
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 600;
  color: var(--ink); padding: .85rem .4rem; border-radius: 10px;
  border-bottom: 1px solid var(--line);
}
.drawer-link:last-of-type { border-bottom: none; }
.drawer-link.active { color: var(--accent); }
.nav-drawer-head { display: flex; align-items: center; justify-content: space-between; padding: .2rem 0 1rem; margin-bottom: .4rem; border-bottom: 1px solid var(--line); }
.nav-drawer-label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-faint); }
.nav-close { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong); color: var(--ink); font-size: 1.1rem; }
.nav-close:hover { color: var(--accent); border-color: var(--accent); }
.nav-drawer-resume { justify-content: center; margin-top: 1.1rem; }
.nav-scrim { position: fixed; inset: 0; z-index: 290; background: rgba(0,0,0,.5); opacity: 0; transition: opacity .35s var(--ease); }
body.nav-open .nav-scrim { opacity: 1; }

/* ---------- 6. HERO --------------------------------------------------- */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: 86px; position: relative; }
.hero-stage { width: 100%; position: relative; }
.hero-grid-bg {
  position: absolute; inset: -10% -10% -20%; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 68%);
  mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 68%);
  transform: translate(var(--px,0), var(--py,0));
  transition: transform .3s var(--ease);
}
.hero-glow {
  position: absolute; top: -10%; right: 4%; width: 46vw; height: 46vw; max-width: 620px; max-height: 620px;
  z-index: 0; pointer-events: none; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 26%, transparent), transparent 66%);
  filter: blur(20px); opacity: .8;
}
.hero-inner {
  position: relative; z-index: 1; max-width: var(--maxw); margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.75rem);
  display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 5vw, 4rem); align-items: center;
}

.hero-eyebrow { display: flex; align-items: center; gap: .6rem; font-family: var(--font-mono); font-size: .82rem; letter-spacing: .08em; color: var(--ink-soft); text-transform: uppercase; }
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 24%, transparent); animation: pulse 2.6s var(--ease) infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent) 0%, transparent); } }

.hero-name { font-size: clamp(2.7rem, 8.5vw, 5.6rem); font-weight: 600; margin: 1rem 0 .5rem; letter-spacing: -.03em; }
.hero-role-line { font-family: var(--font-mono); font-size: clamp(1rem, 2.4vw, 1.45rem); color: var(--accent); display: flex; align-items: center; min-height: 1.6em; }
.hero-role-prefix { opacity: .5; margin-right: .4rem; }
.caret { display: inline-block; width: 2px; height: 1.1em; background: var(--accent); margin-left: 3px; animation: loaderCaret .8s step-end infinite; }
.hero-tagline { font-family: var(--font-display); font-size: clamp(1.2rem, 2.6vw, 1.7rem); color: var(--ink); margin: 1.4rem 0 .9rem; max-width: 28ch; line-height: 1.25; }
.hero-intro { color: var(--ink-soft); max-width: 52ch; margin-bottom: 2rem; }

.hero-cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: 2.2rem; }

.hero-badges { display: flex; flex-wrap: wrap; gap: .55rem; }
.badge {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .03em;
  padding: .4rem .8rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--ink-soft); transition: transform .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  animation: floatBadge 5s var(--ease) infinite; animation-delay: calc(var(--i) * .35s);
}
.badge:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
@keyframes floatBadge { 50% { transform: translateY(-5px); } }

/* hero aside: portrait + ledger */
.hero-aside { display: flex; flex-direction: column; gap: 1.6rem; }
.hero-portrait { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-strong); box-shadow: var(--shadow); }
.hero-portrait img { width: 100%; height: clamp(280px, 42vh, 440px); object-fit: cover; object-position: 50% 28%; transform: translate(calc(var(--px,0)*-.4), calc(var(--py,0)*-.4)) scale(1.04); transition: transform .3s var(--ease); }
.portrait-tag { position: absolute; bottom: 0; left: 0; right: 0; padding: .7rem 1rem; font-size: .76rem; letter-spacing: .06em; color: var(--ink); background: linear-gradient(transparent, color-mix(in srgb, var(--bg) 88%, transparent)); }

.hero-ledger-wrap { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1.1rem 1.3rem; }
.ledger-caption { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .7rem; }
.hero-ledger { display: grid; gap: .55rem; }
.ledger-row { display: flex; align-items: baseline; gap: .8rem; padding-bottom: .55rem; border-bottom: 1px dashed var(--line); }
.ledger-row:last-child { border-bottom: none; padding-bottom: 0; }
.ledger-val { font-family: var(--font-mono); font-weight: 600; font-size: 1.15rem; color: var(--accent); min-width: 3.6ch; }
.ledger-key { font-size: .85rem; color: var(--ink-soft); }

/* ---------- 7a. ABOUT (chapters) -------------------------------------- */
.chapters { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
.chapter { position: relative; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; background: var(--surface); transition: border-color .3s var(--ease), transform .3s var(--ease); }
.chapter:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.chapter-step { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); }
.chapter-year { display: block; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin: .2rem 0 .8rem; }
.chapter-title { font-size: 1.3rem; margin-bottom: .6rem; }
.chapter-body { color: var(--ink-soft); }

/* ---------- 7b. METRICS ----------------------------------------------- */
.metric-grid { display: grid; gap: 1px; grid-template-columns: 1fr; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.metric { background: var(--bg-2); padding: 2rem 1.8rem; }
.metric-num { display: block; font-family: var(--font-mono); font-weight: 600; font-size: clamp(2.4rem, 6vw, 3.6rem); letter-spacing: -.02em; line-height: 1; }
.metric-label { display: block; margin-top: .7rem; color: var(--ink-soft); font-size: .92rem; }

/* ---------- 7c. EXPERIENCE -------------------------------------------- */
.exp-timeline { position: relative; margin-top: 1rem; padding-left: 1.6rem; }
.exp-timeline::before { content: ""; position: absolute; left: 5px; top: .4rem; bottom: .4rem; width: 1px; background: var(--line-strong); }
.exp { position: relative; padding-bottom: 1.6rem; }
.exp-node { position: absolute; left: -1.6rem; top: .55rem; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--bg); }
.exp-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; background: var(--surface); transition: border-color .3s var(--ease); }
.exp-card:hover { border-color: var(--line-strong); }
.exp-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .5rem; }
.exp-role { font-size: 1.3rem; }
.exp-kind { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; padding: .25rem .6rem; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--ink-soft); white-space: nowrap; }
.exp-kind-fulltime { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--line-strong)); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.exp-kind-internship { color: var(--teal); border-color: color-mix(in srgb, var(--teal) 50%, var(--line-strong)); }
.exp-org { color: var(--ink-soft); font-weight: 600; margin: .35rem 0 .3rem; }
.exp-period { font-size: .82rem; color: var(--ink-faint); display: flex; align-items: center; gap: .4rem; margin-bottom: .9rem; }
.exp-period i { color: var(--accent); }
.exp-summary { color: var(--ink-soft); margin-bottom: 1.1rem; }
.exp-points { display: grid; gap: .6rem; }
.exp-points li { position: relative; padding-left: 1.4rem; color: var(--ink-soft); font-size: .95rem; }
.exp-points li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); }
.exp-link { margin-top: 1.3rem; font-size: .9rem; }
.exp-link-ext { font-size: .72rem; opacity: .7; }

/* education */
.edu-block { margin-top: 2.6rem; padding-left: 1.6rem; }
.edu-head { font-size: 1.2rem; margin-bottom: 1rem; }
.edu-list { display: grid; gap: .9rem; }
.edu-item { display: grid; gap: .15rem; padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.edu-deg { font-weight: 600; }
.edu-place { color: var(--ink-soft); font-size: .92rem; }
.edu-period { color: var(--accent); font-size: .8rem; }

/* genai console (instrument readout) */
.genai-console { margin-top: 1.6rem; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: var(--bg); }
.gc-bar { display: flex; align-items: center; gap: .5rem; padding: .65rem 1rem; background: var(--surface); border-bottom: 1px solid var(--line); }
.gc-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.gc-dot:nth-child(1) { background: #E5564E; } .gc-dot:nth-child(2) { background: var(--amber); } .gc-dot:nth-child(3) { background: var(--teal); }
.gc-bar em { margin-left: auto; font-style: normal; font-size: .78rem; color: var(--ink-faint); }
.gc-body { padding: 1.1rem 1.2rem; display: grid; gap: .55rem; font-size: .88rem; }
.gc-row { display: flex; gap: .8rem; flex-wrap: wrap; }
.gc-k { color: var(--ink-faint); min-width: 11rem; }
.gc-k::after { content: ":"; }
.gc-v { color: var(--accent); }

/* ---------- 7d. GenAI -------------------------------------------------- */
.genai-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.genai-card { background: var(--surface); padding: 1.7rem; transition: background .3s var(--ease); }
.genai-card:hover { background: var(--surface-2); }
.genai-card i { font-size: 1.4rem; color: var(--accent); margin-bottom: .9rem; display: block; }
.genai-card h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.genai-card p { color: var(--ink-soft); font-size: .92rem; }

/* ---------- 7e. PROJECTS ---------------------------------------------- */
.project-grid { display: grid; gap: 1rem; }
.project { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; transition: border-color .3s var(--ease); }
.project.open, .project:hover { border-color: var(--line-strong); }
.project-summary { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1.2rem; width: 100%; text-align: left; padding: 1.5rem 1.7rem; }
.project-index { font-family: var(--font-mono); font-size: .85rem; color: var(--accent); }
.project-main { display: grid; gap: .25rem; }
.project-tag { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
.project-name { font-family: var(--font-display); font-size: clamp(1.2rem, 2.4vw, 1.5rem); }
.project-blurb { color: var(--ink-soft); font-size: .92rem; }
.project-chevron { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-strong); color: var(--accent); transition: transform .35s var(--ease), background .3s var(--ease); }
.project.open .project-chevron { transform: rotate(45deg); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.project-detail { border-top: 1px solid var(--line); }
.project-detail-inner { padding: 1.6rem 1.7rem; display: grid; gap: 1.3rem; animation: slideDown .4s var(--ease); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.project-detail dl { display: grid; gap: .9rem; }
.project-detail dt { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.project-detail dd { color: var(--ink-soft); }
.project-impact { display: grid; gap: .4rem; }
.project-impact li { position: relative; padding-left: 1.3rem; }
.project-impact li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.project-tech { display: flex; flex-wrap: wrap; gap: .5rem; }
.project-tech li { font-family: var(--font-mono); font-size: .76rem; padding: .3rem .7rem; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-soft); }

/* ---------- 7f. SKILLS ------------------------------------------------- */
/* (skill styles moved to interactive section below) */

/* ---------- 7g. AWARDS ------------------------------------------------- */
.award-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.award { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; background: var(--surface); transition: transform .3s var(--ease), border-color .3s var(--ease); }
.award:hover { transform: translateY(-4px); border-color: var(--accent); }
.award-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-size: 1.2rem; margin-bottom: 1rem; }
.award h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.award p { color: var(--ink-soft); font-size: .92rem; }

/* ---------- 7h. HOBBIES ------------------------------------------------ */
.hobby-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.hobby { border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; background: var(--surface); text-align: center; transition: transform .3s var(--ease), border-color .3s var(--ease); }
.hobby:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.hobby-emoji { font-size: 2.4rem; display: block; margin-bottom: .8rem; }
.hobby h3 { font-size: 1.2rem; margin-bottom: .4rem; }
.hobby p { color: var(--ink-soft); font-size: .92rem; }

/* ---------- 8a. CONTACT ----------------------------------------------- */
.section-contact { text-align: center; }
.contact-title { max-width: 18ch; margin-inline: auto; margin-bottom: 2.8rem; }
.contact-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; max-width: 760px; margin-inline: auto; }
.contact-card { display: grid; gap: .3rem; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform .3s var(--ease), border-color .3s var(--ease); }
.contact-card i { font-size: 1.3rem; color: var(--accent); margin-bottom: .4rem; }
.contact-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.contact-label { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.contact-value { font-weight: 600; word-break: break-word; }
.contact-card-accent { background: var(--accent); color: var(--accent-ink); }
.contact-card-accent i, .contact-card-accent .contact-label { color: var(--accent-ink); opacity: .9; }

/* ---------- 8b. FOOTER ------------------------------------------------- */
.footer { border-top: 1px solid var(--line); padding-block: 2rem; }
.footer-wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem; font-size: .82rem; color: var(--ink-faint); }

/* ---------- 8c. FLOATING ELEMENTS ------------------------------------- */
.float-resume {
  position: fixed; right: 16px; bottom: 16px; z-index: 120;
  display: none; align-items: center; gap: .5rem;
  padding: .8rem 1.2rem; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
  box-shadow: 0 12px 28px -10px var(--accent);
}
.back-top {
  position: fixed; right: 16px; bottom: 16px; z-index: 119;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink);
  opacity: 0; transform: translateY(12px) scale(.9); pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.back-top.show { opacity: 1; transform: none; pointer-events: auto; }
.back-top:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 9. REVEAL ANIMATIONS -------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 10. RESPONSIVE (mobile-first → up) ------------------------ */

/* show mobile resume button + hide back-top overlap on small screens */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-resume { display: none; }
  .mobile-drawer { display: flex; }
  .hamburger { display: flex; }
  .float-resume { display: inline-flex; }
  .back-top { right: 16px; bottom: 76px; }
}

/* desktop: drawer + scrim never participate */
@media (min-width: 861px) {
  .mobile-drawer, .nav-scrim { display: none !important; }
}

/* small phones: stack metrics edge nicely */
@media (min-width: 540px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .genai-grid { grid-template-columns: repeat(2, 1fr); }
  .award-grid { grid-template-columns: repeat(2, 1fr); }
  .hobby-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .chapters { grid-template-columns: repeat(3, 1fr); }
}

/* tablets */
@media (min-width: 768px) {
  .genai-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(4, 1fr); }
}

/* laptops+ : hero becomes two columns */
@media (min-width: 980px) {
  .hero-inner { grid-template-columns: 1.15fr .85fr; }
  .metric-grid { grid-template-columns: repeat(4, 1fr); }
  .award-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ultrawide / 4K: cap width, larger rhythm */
@media (min-width: 1600px) {
  :root { --maxw: 1320px; }
}
@media (min-width: 2200px) {
  :root { --maxw: 1480px; }
  body { font-size: 1.15rem; }
}

/* landscape phones: tighten hero height */
@media (max-height: 560px) and (orientation: landscape) {
  .hero { min-height: auto; padding-block: 110px 60px; }
}

/* ---------- 11. REDUCED MOTION ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .loader-name { border-right: none; width: auto; }
}

/* ============================================================================
   INTERACTIVE ELEMENTS
   ============================================================================ */

/* ---- hero ledger: now clickable rows -------------------------------- */
.ledger-row {
  display: flex; align-items: baseline; gap: .8rem; width: 100%;
  text-align: left; padding: .55rem 0; border-bottom: 1px dashed var(--line);
  cursor: pointer; transition: color .2s var(--ease);
}
.ledger-row:hover .ledger-key { color: var(--ink); }
.ledger-row:hover .ledger-cue { color: var(--accent); }
.ledger-cue { margin-left: auto; color: var(--ink-faint); font-size: .7rem; transition: transform .3s var(--ease), color .2s var(--ease); }
.ledger-row[aria-expanded="true"] .ledger-cue { transform: rotate(180deg); color: var(--accent); }
.ledger-detail {
  font-size: .82rem; color: var(--ink-soft); line-height: 1.5;
  padding: .1rem 0 .7rem; margin: 0; border-bottom: 1px dashed var(--line);
  animation: slideDown .35s var(--ease);
}

/* ---- skill tags: linked = interactive ------------------------------- */


.skill-hint {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .35s var(--ease), opacity .35s var(--ease), margin .35s var(--ease);
  font-size: .92rem; color: var(--ink-soft); margin: 0;
}
.skill-hint.show { max-height: 60px; opacity: 1; margin: 0 0 1.4rem; }
.skill-hint strong { color: var(--accent); }
.skill-hint-clear { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.skill-hint-clear:hover { color: var(--accent); }

/* project highlight/dim states when a skill is selected */
.project { transition: border-color .3s var(--ease), opacity .35s var(--ease), transform .35s var(--ease); }
.project.dimmed { opacity: .32; transform: scale(.992); }
.project.matched { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 18px 40px -26px var(--accent); }
.project.matched .project-index { color: var(--accent); }
.project-tech li[data-skill] { transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease); }

/* ---- governance simulator ------------------------------------------- */
/* (governance simulator removed) */

/* ---- tilt cards ------------------------------------------------------ */
.tiltable {
  transform: perspective(800px) rotateX(var(--ty,0)) rotateY(var(--tx,0));
  transform-style: preserve-3d; position: relative;
  transition: transform .25s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.tiltable::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(180px circle at var(--mx,50%) var(--my,50%), color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%);
  opacity: 0; transition: opacity .3s var(--ease);
}
.tiltable:hover::after { opacity: 1; }

/* ---- command palette ------------------------------------------------- */
.cmdk-trigger {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .45rem .7rem; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--glass); color: var(--ink-soft);
  font-size: .85rem; transition: color .2s var(--ease), border-color .2s var(--ease);
}
.cmdk-trigger:hover { color: var(--accent); border-color: var(--accent); }
.cmdk-trigger-key { font-size: .72rem; padding: .1rem .35rem; border-radius: 5px; border: 1px solid var(--line-strong); }

.cmdk[hidden] { display: none; }
.cmdk {
  position: fixed; inset: 0; z-index: 400;
  display: grid; place-items: start center; padding-top: 14vh;
  background: rgba(0,0,0,.55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  animation: cmdkFade .2s var(--ease);
}
@keyframes cmdkFade { from { opacity: 0; } to { opacity: 1; } }
.cmdk-panel {
  width: min(560px, 92vw); background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  animation: cmdkPop .25s var(--ease);
}
@keyframes cmdkPop { from { transform: translateY(-10px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.cmdk-search { display: flex; align-items: center; gap: .7rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); }
.cmdk-search i { color: var(--ink-faint); }
.cmdk-search input { flex: 1; background: none; border: none; outline: none; color: var(--ink); font-size: 1.05rem; font-family: var(--font-body); }
.cmdk-search input::placeholder { color: var(--ink-faint); }
.cmdk-esc { font-size: .72rem; color: var(--ink-faint); border: 1px solid var(--line-strong); border-radius: 5px; padding: .1rem .4rem; }
.cmdk-list { max-height: 320px; overflow-y: auto; padding: .5rem; }
.cmdk-item { display: flex; align-items: center; justify-content: space-between; padding: .7rem .9rem; border-radius: 10px; cursor: pointer; }
.cmdk-item.sel, .cmdk-item:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.cmdk-item.sel { box-shadow: inset 2px 0 0 var(--accent); }
.cmdk-hint { font-size: .72rem; color: var(--ink-faint); letter-spacing: .05em; text-transform: uppercase; }
.cmdk-empty { padding: 1.4rem; text-align: center; color: var(--ink-faint); }

/* mobile: hide ⌘K trigger (keyboard shortcut is desktop) */
@media (max-width: 860px) {
  .cmdk-trigger { display: none; }
}
@media (min-width: 720px) {
}

/* ============================================================================
   v3 ADDITIONS — particles, skill cloud, awards, scroll reveals
   ============================================================================ */

/* ---- particle background -------------------------------------------- */
.particles {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: .9;
}
/* keep content above the canvas */
/* keep content above the particle canvas (navbar stays fixed — see .navbar above) */
main, .footer { position: relative; z-index: 1; }
.navbar { z-index: 150; }

/* ---- skill category tabs -------------------------------------------- */
.skill-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.6rem; }
.skill-tab {
  font-size: .9rem; padding: .5rem 1.05rem; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}
.skill-tab:hover { color: var(--ink); transform: translateY(-2px); }
.skill-tab.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* ---- skill cloud ---------------------------------------------------- */
.skill-cloud { display: flex; flex-wrap: wrap; gap: .7rem; }
.chip-skill {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .92rem; padding: .6rem 1.05rem; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  position: relative;
  transition: transform .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease), opacity .3s var(--ease);
  animation: chipIn .5s var(--ease) backwards; animation-delay: calc(var(--k) * 35ms);
}
@keyframes chipIn { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }
.chip-skill i { color: var(--accent); font-size: .9rem; transition: color .25s var(--ease); }
.chip-skill:hover { transform: translateY(-3px); border-color: var(--accent); }
.chip-linked { cursor: pointer; padding-right: 1.9rem; }
.chip-dot { position: absolute; right: .85rem; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.chip-skill.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chip-skill.is-active i { color: var(--accent-ink); }
.chip-skill.is-active .chip-dot { background: var(--accent-ink); }
.chip-hidden { display: none; }

/* ---- awards (medal, title, org, desc) ------------------------------- */
.award-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.award { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.9rem; background: var(--surface); }
.award-medal {
  display: grid; place-items: center; width: 54px; height: 54px; border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), color-mix(in srgb, var(--teal) 16%, transparent));
  color: var(--accent); font-size: 1.4rem; margin-bottom: 1.1rem;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
.award-title { font-size: 1.2rem; margin-bottom: .2rem; }
.award-org { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: .7rem; }
.award-desc { color: var(--ink-soft); font-size: .92rem; }

/* ---- richer scroll reveals (directional + scale) -------------------- */
.reveal-left  { opacity: 0; transform: translateX(-28px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d,0ms); }
.reveal-right { opacity: 0; transform: translateX(28px);  transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d,0ms); }
.reveal-scale { opacity: 0; transform: scale(.94);        transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d,0ms); }
.reveal-left.in, .reveal-right.in, .reveal-scale.in { opacity: 1; transform: none; }

/* section headings get a subtle rising underline on reveal */
.section-title.in::after, .section-lead.in::after { transform: scaleX(1); }

@media (min-width: 768px) {
  .award-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .award-grid { grid-template-columns: repeat(4, 1fr); }
}

/* reduced motion: disable particles + chip animation */
@media (prefers-reduced-motion: reduce) {
  .particles { display: none; }
  .chip-skill { animation: none; }
}

/* ============================================================================
   GRADIENT & MULTI-COLOR LAYER
   A coordinated palette: amber leads, with teal / coral / violet supporting.
   Each section is keyed to one accent so the page is colorful but disciplined.
   ============================================================================ */

/* ---- per-section accent theming ------------------------------------- */
#about     { --section-accent: var(--amber); }
#impact    { --section-accent: var(--coral); }
#experience{ --section-accent: var(--teal); }
#genai     { --section-accent: var(--violet); }
#projects  { --section-accent: var(--sky); }
#skills    { --section-accent: var(--coral); }
#awards    { --section-accent: var(--amber); }
#hobbies   { --section-accent: var(--teal); }
#contact   { --section-accent: var(--violet); }

/* eyebrow number chip uses the section accent */
.eyebrow .sec-no {
  color: var(--section-accent);
  border-color: color-mix(in srgb, var(--section-accent) 45%, var(--line-strong));
  background: color-mix(in srgb, var(--section-accent) 12%, transparent);
}

/* ---- gradient text ---------------------------------------------------- */
.hero-name {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  background-size: 200% 200%;
  animation: gradShift 12s ease infinite;
}
@keyframes gradShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.section-title {
  background: linear-gradient(120deg, var(--ink) 30%, var(--section-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.section-lead {
  background: linear-gradient(120deg, var(--ink) 55%, var(--section-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* metric numbers cycle through the palette — gradient clipped to text */
.metric-num {
  background-image: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.metric:nth-child(1) .metric-num { background-image: var(--grad-warm); }
.metric:nth-child(2) .metric-num { background-image: var(--grad-cool); }
.metric:nth-child(3) .metric-num { background-image: linear-gradient(120deg, var(--coral), var(--violet)); }
.metric:nth-child(4) .metric-num { background-image: linear-gradient(120deg, var(--violet), var(--sky)); }

/* ---- gradient surfaces ------------------------------------------------ */
.scroll-progress span { background: var(--grad-brand); }

.btn-primary {
  background: var(--grad-accent); background-size: 150% 150%;
  color: #fff; border: none;
  box-shadow: 0 10px 26px -12px color-mix(in srgb, var(--coral) 70%, var(--amber));
  transition: background-position .5s var(--ease), transform .25s var(--ease), box-shadow .3s var(--ease);
}
.btn-primary:hover { background-position: 100% 0; transform: translateY(-2px); }
:root[data-theme="light"] .btn-primary { color: #fff; }

.brand-mark {
  background: var(--grad-warm); color: #fff; border: none;
}

/* hero role + caret pick up warm gradient */
.hero-role {
  background: var(--grad-warm);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* dot / pulse + scale-ledger numbers */
.hero-eyebrow .dot { background: var(--grad-warm); }
.ledger-val { color: var(--coral); }
.ledger-row:nth-child(4n+1) .ledger-val { color: var(--amber); }
.ledger-row:nth-child(4n+2) .ledger-val { color: var(--teal); }
.ledger-row:nth-child(4n+3) .ledger-val { color: var(--coral); }
.ledger-row:nth-child(4n+4) .ledger-val { color: var(--violet); }

/* ---- section tints (very soft, keeps it premium) -------------------- */
.section-impact  { background:
  radial-gradient(120% 120% at 100% 0%, color-mix(in srgb, var(--coral) 7%, transparent), transparent 60%), var(--bg-2); }
.section-genai   { background:
  radial-gradient(120% 120% at 0% 0%, color-mix(in srgb, var(--violet) 8%, transparent), transparent 60%), var(--bg-2); }
.section-skills  { background:
  radial-gradient(120% 120% at 100% 100%, color-mix(in srgb, var(--coral) 6%, transparent), transparent 60%), var(--bg-2); }
.section-hobbies { background:
  radial-gradient(120% 120% at 0% 100%, color-mix(in srgb, var(--teal) 7%, transparent), transparent 60%), var(--bg-2); }
.section-contact { background:
  radial-gradient(130% 120% at 50% 0%, color-mix(in srgb, var(--violet) 9%, transparent), transparent 62%); }

/* hero glow becomes a multi-color aurora */
.hero-glow {
  background:
    radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--violet) 30%, transparent), transparent 60%),
    radial-gradient(circle at 70% 60%, color-mix(in srgb, var(--coral) 28%, transparent), transparent 60%),
    radial-gradient(circle, color-mix(in srgb, var(--amber) 26%, transparent), transparent 66%);
}

/* ---- accent-tinted interactive elements ----------------------------- */
/* skill category tabs + active chips follow section accent (coral here) */
.skill-tab.active { background: var(--grad-warm); color: #fff; border-color: transparent; }
.chip-skill.is-active { background: var(--grad-warm); color: #fff; border-color: transparent; }
.chip-skill.is-active i, .chip-skill.is-active .chip-dot { color: #fff; background: none; }
.chip-skill.is-active .chip-dot { background: #fff; }

/* project matched highlight uses sky (its section accent) */
#projects .project.matched {
  border-color: var(--sky);
  box-shadow: 0 0 0 1px var(--sky), 0 18px 40px -26px var(--sky);
}
#projects .project.matched .project-index { color: var(--sky); }

/* award medals cycle palette */
.award:nth-child(1) .award-medal { background: var(--grad-warm); color: #fff; }
.award:nth-child(2) .award-medal { background: var(--grad-cool); color: #fff; }
.award:nth-child(3) .award-medal { background: linear-gradient(135deg, var(--coral), var(--violet)); color: #fff; }
.award:nth-child(4) .award-medal { background: linear-gradient(135deg, var(--violet), var(--sky)); color: #fff; }

/* genai cards: icon picks violet (section accent) */
#genai .genai-card i { color: var(--violet); }
#genai .genai-card:hover { background: color-mix(in srgb, var(--violet) 7%, var(--surface-2)); }

/* experience nodes + kind badge use teal (section accent) */
#experience .exp-node { background: var(--grad-cool); }
#experience .exp-kind-fulltime { color: var(--teal); border-color: color-mix(in srgb, var(--teal) 50%, var(--line-strong)); background: color-mix(in srgb, var(--teal) 10%, transparent); }
#experience .exp-period i { color: var(--teal); }
#experience .exp-points li::before { background: var(--teal); }

/* contact accent card gets the brand gradient */
.contact-card-accent { background: var(--grad-accent); color: #fff; }
.contact-card-accent i, .contact-card-accent .contact-label { color: #fff; }

/* footer hairline shimmer */
.footer { border-image: linear-gradient(90deg, transparent, color-mix(in srgb, var(--amber) 40%, transparent), color-mix(in srgb, var(--violet) 40%, transparent), transparent) 1; }

/* tilt hover glow follows section accent */
.tiltable::after {
  background: radial-gradient(180px circle at var(--mx,50%) var(--my,50%),
    color-mix(in srgb, var(--section-accent) 20%, transparent), transparent 70%);
}

/* reduced motion: stop the hero gradient drift */
@media (prefers-reduced-motion: reduce) {
  .hero-name { animation: none; }
}

/* ============================================================================
   VIBRANCY LAYER — distribute color so the page isn't amber-dominated.
   Accent-driven elements now follow their section's accent, and repeated
   elements (badges, nav links, chips) rotate through the full palette.
   ============================================================================ */

/* section-scoped accent: any accent usage inside a section adopts its hue */
#about     { --accent: var(--amber); }
#impact    { --accent: var(--coral); }
#experience{ --accent: var(--teal); }
#genai     { --accent: var(--violet); }
#projects  { --accent: var(--sky); }
#skills    { --accent: var(--coral); }
#awards    { --accent: var(--amber); }
#hobbies   { --accent: var(--teal); }
#contact   { --accent: var(--violet); }

/* ---- hero: rotate the floating tech badges through the palette ------- */
.hero-badges .badge:nth-child(5n+1):hover { color: var(--amber);  border-color: var(--amber); }
.hero-badges .badge:nth-child(5n+2):hover { color: var(--teal);   border-color: var(--teal); }
.hero-badges .badge:nth-child(5n+3):hover { color: var(--coral);  border-color: var(--coral); }
.hero-badges .badge:nth-child(5n+4):hover { color: var(--violet); border-color: var(--violet); }
.hero-badges .badge:nth-child(5n+5):hover { color: var(--sky);    border-color: var(--sky); }
/* give resting badges a faint multi-color left edge */
.hero-badges .badge:nth-child(5n+1) { border-left: 2px solid color-mix(in srgb, var(--amber) 55%, var(--line)); }
.hero-badges .badge:nth-child(5n+2) { border-left: 2px solid color-mix(in srgb, var(--teal) 55%, var(--line)); }
.hero-badges .badge:nth-child(5n+3) { border-left: 2px solid color-mix(in srgb, var(--coral) 55%, var(--line)); }
.hero-badges .badge:nth-child(5n+4) { border-left: 2px solid color-mix(in srgb, var(--violet) 55%, var(--line)); }
.hero-badges .badge:nth-child(5n+5) { border-left: 2px solid color-mix(in srgb, var(--sky) 55%, var(--line)); }

/* ---- desktop nav links rotate colors on hover/active ----------------- */
.nav-links .nav-link:nth-child(1).active, .nav-links .nav-link:nth-child(1):hover { color: var(--amber); }
.nav-links .nav-link:nth-child(2).active, .nav-links .nav-link:nth-child(2):hover { color: var(--teal); }
.nav-links .nav-link:nth-child(3).active, .nav-links .nav-link:nth-child(3):hover { color: var(--violet); }
.nav-links .nav-link:nth-child(4).active, .nav-links .nav-link:nth-child(4):hover { color: var(--sky); }
.nav-links .nav-link:nth-child(5).active, .nav-links .nav-link:nth-child(5):hover { color: var(--coral); }
.nav-links .nav-link:nth-child(6).active, .nav-links .nav-link:nth-child(6):hover { color: var(--violet); }
.nav-link.active { background: transparent; }

/* ---- skill chips rotate palette on hover ----------------------------- */
.skill-cloud .chip-skill:nth-child(5n+1):hover { border-color: var(--amber); }  .skill-cloud .chip-skill:nth-child(5n+1) i { color: var(--amber); }
.skill-cloud .chip-skill:nth-child(5n+2):hover { border-color: var(--teal); }   .skill-cloud .chip-skill:nth-child(5n+2) i { color: var(--teal); }
.skill-cloud .chip-skill:nth-child(5n+3):hover { border-color: var(--coral); }  .skill-cloud .chip-skill:nth-child(5n+3) i { color: var(--coral); }
.skill-cloud .chip-skill:nth-child(5n+4):hover { border-color: var(--violet); } .skill-cloud .chip-skill:nth-child(5n+4) i { color: var(--violet); }
.skill-cloud .chip-skill:nth-child(5n+5):hover { border-color: var(--sky); }    .skill-cloud .chip-skill:nth-child(5n+5) i { color: var(--sky); }
.chip-dot { background: currentColor; }

/* ---- category tabs rotate palette ------------------------------------ */
.skill-tabs .skill-tab:nth-child(2).active { background: var(--grad-cool); }
.skill-tabs .skill-tab:nth-child(3).active { background: linear-gradient(120deg, var(--violet), var(--sky)); }
.skill-tabs .skill-tab:nth-child(4).active { background: linear-gradient(120deg, var(--coral), var(--violet)); }
.skill-tabs .skill-tab:nth-child(5).active { background: var(--grad-cool); }
.skill-tabs .skill-tab:nth-child(6).active { background: linear-gradient(120deg, var(--violet), var(--coral)); }

/* ---- GenAI cards rotate icon colors ---------------------------------- */
#genai .genai-card:nth-child(7n+1) i { color: var(--amber); }
#genai .genai-card:nth-child(7n+2) i { color: var(--teal); }
#genai .genai-card:nth-child(7n+3) i { color: var(--coral); }
#genai .genai-card:nth-child(7n+4) i { color: var(--violet); }
#genai .genai-card:nth-child(7n+5) i { color: var(--sky); }
#genai .genai-card:nth-child(7n+6) i { color: var(--amber); }
#genai .genai-card:nth-child(7n+7) i { color: var(--teal); }

/* ---- hobby cards get colored top borders ----------------------------- */
.hobby:nth-child(3n+1) { border-top: 3px solid var(--coral); }
.hobby:nth-child(3n+2) { border-top: 3px solid var(--teal); }
.hobby:nth-child(3n+3) { border-top: 3px solid var(--violet); }

/* ---- contact cards rotate accents ------------------------------------ */
.contact-grid .contact-card:nth-child(1) i { color: var(--amber); }
.contact-grid .contact-card:nth-child(2) i { color: var(--teal); }
.contact-grid .contact-card:nth-child(3) i { color: var(--sky); }
.contact-grid .contact-card:nth-child(1):hover { border-color: var(--amber); }
.contact-grid .contact-card:nth-child(2):hover { border-color: var(--teal); }
.contact-grid .contact-card:nth-child(3):hover { border-color: var(--sky); }

/* ---- chapter cards (About) colored markers --------------------------- */
.chapter:nth-child(3n+1) .chapter-step { color: var(--amber); }
.chapter:nth-child(3n+2) .chapter-step { color: var(--teal); }
.chapter:nth-child(3n+3) .chapter-step { color: var(--violet); }
.chapter:nth-child(3n+1) { border-top: 3px solid color-mix(in srgb, var(--amber) 60%, transparent); }
.chapter:nth-child(3n+2) { border-top: 3px solid color-mix(in srgb, var(--teal) 60%, transparent); }
.chapter:nth-child(3n+3) { border-top: 3px solid color-mix(in srgb, var(--violet) 60%, transparent); }

/* ---- project index numbers rotate ------------------------------------ */
#projects .project:nth-child(5n+1) .project-index { color: var(--amber); }
#projects .project:nth-child(5n+2) .project-index { color: var(--teal); }
#projects .project:nth-child(5n+3) .project-index { color: var(--coral); }
#projects .project:nth-child(5n+4) .project-index { color: var(--violet); }
#projects .project:nth-child(5n+5) .project-index { color: var(--sky); }

/* loader bar + brand underline use full brand gradient */
.loader-bar { background: var(--grad-brand); }

/* ============================================================================
   TILE STYLE + HOVER ANIMATION  (ported from portfolio_2)
   Individual hairline-bordered cards with a soft lift + accent-glow on hover.
   Uses this site's existing theme variables, so colors are unchanged.
   ============================================================================ */

/* cards: soft hairline border + gentle shadow, lift on hover */
.chapter, .exp-card, .genai-card, .project, .award, .hobby,
.contact-card, .hero-ledger-wrap, .edu-item, .genai-console, .metric {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease) !important;
}
.chapter:hover, .exp-card:hover, .genai-card:hover, .project:hover,
.award:hover, .hobby:hover, .contact-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--section-accent) 50%, var(--line-strong)) !important;
  box-shadow: 0 16px 40px -22px color-mix(in srgb, var(--section-accent) 60%, transparent),
              0 0 0 1px color-mix(in srgb, var(--section-accent) 22%, transparent);
}

/* metric tiles: separated, own accent on hover */
.metric-grid { background: transparent !important; border: none !important; gap: 1rem !important; overflow: visible !important; }
.metric { background: var(--surface) !important; }
.metric:hover { transform: translateY(-4px); }
.metric:nth-child(1):hover { box-shadow: 0 16px 36px -22px var(--coral); border-color: color-mix(in srgb,var(--coral) 50%,var(--line-strong)) !important; }
.metric:nth-child(2):hover { box-shadow: 0 16px 36px -22px var(--teal);  border-color: color-mix(in srgb,var(--teal) 50%,var(--line-strong)) !important; }
.metric:nth-child(3):hover { box-shadow: 0 16px 36px -22px var(--sky);   border-color: color-mix(in srgb,var(--sky) 50%,var(--line-strong)) !important; }
.metric:nth-child(4):hover { box-shadow: 0 16px 36px -22px var(--violet);border-color: color-mix(in srgb,var(--violet) 50%,var(--line-strong)) !important; }

/* keep GenAI tiles able to lift freely (no clipping container) */
.genai-grid { overflow: visible; }

@media (prefers-reduced-motion: reduce) {
  .chapter:hover, .exp-card:hover, .genai-card:hover, .project:hover,
  .award:hover, .hobby:hover, .contact-card:hover, .metric:hover { transform: none; }
}

/* ============================================================================
   FIX: GenAI per-card glow matches the icon color  +  Contact Resume card
   ============================================================================ */

/* Give each GenAI card a --card-accent that matches its icon color, then
   make the hover border + glow use that accent (overrides the generic
   section-accent glow from the ported tile layer). */
#genai .genai-card:nth-child(7n+1) { --card-accent: var(--amber); }
#genai .genai-card:nth-child(7n+2) { --card-accent: var(--teal); }
#genai .genai-card:nth-child(7n+3) { --card-accent: var(--coral); }
#genai .genai-card:nth-child(7n+4) { --card-accent: var(--violet); }
#genai .genai-card:nth-child(7n+5) { --card-accent: var(--sky); }
#genai .genai-card:nth-child(7n+6) { --card-accent: var(--amber); }
#genai .genai-card:nth-child(7n+7) { --card-accent: var(--teal); }

#genai .genai-card:hover {
  border-color: color-mix(in srgb, var(--card-accent) 55%, var(--line-strong)) !important;
  box-shadow: 0 16px 40px -20px color-mix(in srgb, var(--card-accent) 70%, transparent),
              0 0 0 1px color-mix(in srgb, var(--card-accent) 28%, transparent) !important;
}

/* Contact "Download PDF" card: keep the gradient fill + white text readable
   in both themes (the generic .contact-card surface rule was hiding it). */
.contact-card-accent {
  background: var(--grad-accent) !important;
  border-color: transparent !important;
  color: #fff !important;
}
.contact-card-accent i,
.contact-card-accent .contact-label,
.contact-card-accent .contact-value { color: #fff !important; }
.contact-card-accent:hover {
  border-color: transparent !important;
  box-shadow: 0 16px 38px -18px color-mix(in srgb, var(--accent) 70%, transparent) !important;
}