/* ═══════════════════════════════════════════════════════
   SUMIT BANSAL — REDESIGNED PORTFOLIO
   Compact · Smart scroll effects · Minimalist premium
   ═══════════════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'Satoshi', 'Helvetica Neue', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --text-xs:   clamp(0.688rem, 0.65rem + 0.19vw, 0.813rem);
  --text-sm:   clamp(0.813rem, 0.77rem + 0.21vw, 0.938rem);
  --text-base: clamp(0.938rem, 0.88rem + 0.29vw, 1.063rem);
  --text-md:   clamp(1.063rem, 0.97rem + 0.46vw, 1.25rem);
  --text-lg:   clamp(1.25rem,  1.05rem + 1vw,    1.75rem);
  --text-xl:   clamp(1.75rem,  1.2rem  + 2.75vw, 3.25rem);
  --text-2xl:  clamp(2.5rem,   1.4rem  + 5.5vw,  5.5rem);

  --sp-1: 0.25rem; --sp-2: 0.5rem;  --sp-3: 0.75rem;
  --sp-4: 1rem;    --sp-5: 1.25rem; --sp-6: 1.5rem;
  --sp-8: 2rem;    --sp-10: 2.5rem; --sp-12: 3rem;
  --sp-16: 4rem;   --sp-20: 5rem;

  --r-sm: 4px; --r-md: 8px; --r-lg: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  --w: 1160px;
}

/* ─── DARK MODE (default) ──────────────────────────── */
:root, [data-theme="dark"] {
  --bg:       #09090b;
  --bg-2:     #0d0f14;
  --bg-3:     #13151c;
  --surface:  #181a23;
  --border:   #1e2130;
  --border-2: #272b3f;
  --text:     #eef0f8;
  --muted:    #7b80a0;
  --faint:    #2a2e48;
  --accent:   #00e5b8;
  --accent-d: #00c49e;
  --accent-g: rgba(0,229,184,0.22);
  --accent-s: rgba(0,229,184,0.10);
  --accent-pulse: rgba(0,229,184,0.35);
}

/* ─── LIGHT MODE ──────────────────────────────────── */
[data-theme="light"] {
  --bg:       #f8faff;
  --bg-2:     #eef1f9;
  --bg-3:     #e4e8f4;
  --surface:  #ffffff;
  --border:   #d6daed;
  --border-2: #c4cadf;
  --text:     #0d0f1a;
  --muted:    #52587a;
  --faint:    #d4d8ec;
  --accent:   #00a882;
  --accent-d: #007e60;
  --accent-g: rgba(0,168,130,0.15);
  --accent-s: rgba(0,168,130,0.07);
  --accent-pulse: rgba(0,168,130,0.3);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 56px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.05; text-wrap: balance; }

::selection { background: var(--accent-g); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--r-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── LAYOUT ──────────────────────────────────────── */
.wrap {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 var(--sp-8);
}
@media (max-width: 640px) { .wrap { padding: 0 var(--sp-5); } }

.section {
  padding-block: clamp(var(--sp-12), 6vw, var(--sp-20));
  border-top: 1px solid var(--border);
}
.section--dark { background: var(--bg-2); }
.section--contact { background: var(--bg-2); }

/* ─── NAV ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: oklch(from var(--bg) l c h / 0.88);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.nav.is-scrolled {
  border-color: var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.2);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 var(--sp-8);
  gap: var(--sp-6);
}
@media (max-width: 640px) { .nav-inner { padding: 0 var(--sp-5); } }

.nav-logo {
  display: flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--text);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--accent); }
.logo-mark { color: var(--accent); }

.nav-links { display: flex; gap: var(--sp-1); }
.nl {
  position: relative;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--r-md);
  transition: color 0.2s, background 0.2s;
}
.nl::after {
  content: "";
  position: absolute;
  left: var(--sp-3);
  right: var(--sp-3);
  bottom: 6px;
  height: 1px;
  background: color-mix(in srgb, var(--accent) 78%, transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nl:hover, .nl.active { color: var(--text); background: var(--bg-3); }
.nl:hover::after, .nl.active::after { transform: scaleX(1); }

.nav-end { display: flex; align-items: center; gap: var(--sp-3); }

.theme-btn {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  color: var(--muted);
  border-radius: var(--r-md);
  transition: color 0.2s, background 0.2s;
}
.theme-btn:hover { color: var(--text); background: var(--bg-3); }

.nav-cta {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
  font-weight: 600;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--r-md);
  white-space: nowrap;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover { background: var(--accent-d); transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px; height: 32px;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block; width: 18px; height: 1.5px;
  background: var(--muted);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-progress {
  position: absolute; bottom: 0; left: 0;
  height: 1.5px; width: 0%;
  background: var(--accent);
  transition: width 0.08s linear;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
}

/* Mobile drawer */
.drawer {
  position: fixed;
  top: 52px; left: 0; right: 0;
  z-index: 199;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: var(--sp-4) var(--sp-5);
  gap: var(--sp-1);
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s var(--ease), opacity 0.3s;
}
.drawer.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.dl {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--muted);
  border-radius: var(--r-md);
  transition: color 0.2s, background 0.2s;
}
.dl:hover { color: var(--text); background: var(--bg-3); }
.dl--cta { color: var(--accent); margin-top: var(--sp-2); }
.drawer-bg {
  position: fixed; inset: 0; z-index: 198;
  background: rgba(0,0,0,0.4);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.drawer-bg.show { opacity: 1; pointer-events: all; }

/* ─── HERO ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px var(--sp-8) var(--sp-16);
  overflow: hidden;
}
@media (max-width: 640px) {
  .hero { padding: 72px var(--sp-5) var(--sp-12); }
}

.hero-canvas {
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.85;
}
[data-theme="light"] .hero-canvas { opacity: 0.45; }

/* SVG Deco layer */
.hero-deco {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  opacity: 0.18;
  overflow: visible;
}
[data-theme="light"] .hero-deco { opacity: 0.12; }

.hero-content {
  position: relative; z-index: 2;
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(280px, 340px);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
}
@media (max-width: 1080px) {
  .hero-content {
    width: 100%;
    grid-template-columns: 1fr;
  }
}

.hero-copy {
  max-width: 760px;
}

.hero-heading-row {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.4vw, 1.1rem);
  margin-bottom: var(--sp-5);
}
@media (max-width: 640px) {
  .hero-heading-row {
    gap: var(--sp-3);
    align-items: center;
  }
}

.hero-tag {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-s);
  border: 1px solid var(--accent-g);
  border-radius: var(--r-sm);
  margin-bottom: var(--sp-5);
  letter-spacing: 0.04em;
  width: fit-content;
}
.tag-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero-name {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.98;
  color: var(--text);
  position: relative;
  overflow: hidden;
  margin-bottom: 0;
  flex: 1 1 auto;
  padding-top: 0;
}
.name-line {
  display: block;
  transform: translateY(100%);
  opacity: 0;
  text-wrap: pretty;
  transition: transform 0.9s var(--ease), opacity 0.7s var(--ease);
}
.name-line.visible { transform: translateY(0); opacity: 1; }
.hero-role-line {
  display: block;
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 0.68rem + 0.34vw, 0.94rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 88%, var(--accent));
}

.hero-sub {
  font-size: var(--text-md);
  color: var(--muted);
  line-height: 1.7;
  max-width: 52ch;
  margin-bottom: var(--sp-8);
}

.hero-stats {
  display: flex; align-items: flex-end; gap: var(--sp-6);
  margin-bottom: var(--sp-8);
}
.hs {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
}
/* Number + suffix on same baseline row */
.hs-top {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
}
.hs-n {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.hs-sym {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  /* small nudge so + sits visually aligned with top of number */
  position: relative;
  top: -2px;
}
.hs-l {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.hs-div {
  width: 1px; height: 32px;
  background: var(--border-2);
  margin-bottom: var(--sp-5);
  flex-shrink: 0;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.hero-role-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}
.role-link-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-3));
  border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--border));
  border-radius: 999px;
  transition: border-color 0.25s, background 0.25s, transform 0.25s, color 0.25s;
}
.role-link-pill:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 46%, var(--border-2));
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-3));
  transform: translateY(-2px);
}
.hero-toolkit {
  display: flex;
  justify-content: flex-end;
}
@media (max-width: 1080px) {
  .hero-toolkit { display: none; }
}
.hero-toolkit-card {
  width: min(100%, 340px);
  padding: var(--sp-6);
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-3) 92%, transparent), color-mix(in srgb, var(--bg-2) 96%, transparent)),
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 14%, transparent), transparent 38%);
  box-shadow:
    0 20px 44px rgba(0,0,0,0.16),
    0 0 0 1px rgba(255,255,255,0.025) inset;
}
.hero-toolkit-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--sp-5);
}
.hero-toolkit-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.hero-toolkit-note {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.6;
}
.hero-toolkit-group + .hero-toolkit-group {
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.hero-toolkit-label {
  display: inline-block;
  margin-bottom: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.hero-toolkit-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}
.hero-toolkit-pills span {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: color-mix(in srgb, var(--text) 90%, var(--accent));
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, var(--border));
  border-radius: 999px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.02) inset;
  transition: transform 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.hero-toolkit-pills span:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border-2));
  box-shadow:
    0 10px 22px rgba(0,0,0,0.14),
    0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent) inset;
  transform: translateY(-2px) scale(1.03);
}

.hero-avatar {
  flex: 0 0 auto;
  align-self: flex-start;
}

.hero-avatar-frame {
  position: relative;
  width: clamp(4.2rem, calc(var(--text-2xl) * 1.02), 5.8rem);
  height: clamp(4.2rem, calc(var(--text-2xl) * 1.02), 5.8rem);
  padding: 4px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 14%, rgba(255,255,255,0.08));
  background:
    linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.01)),
    radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 72%);
  box-shadow:
    0 10px 24px rgba(0,0,0,0.16),
    0 0 0 1px rgba(255,255,255,0.035) inset;
}

.hero-avatar-frame::before {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
  opacity: 0.32;
  filter: blur(14px);
  pointer-events: none;
}

.hero-avatar-frame::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.075);
  pointer-events: none;
}

.hero-avatar-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 17%;
}

@media (max-width: 640px) {
  .hero-avatar-frame {
    width: clamp(3.7rem, 15.2vw, 4.5rem);
    height: clamp(3.7rem, 15.2vw, 4.5rem);
    padding: 3px;
  }
}

.btn-primary {
  display: inline-flex; align-items: center;
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--text-sm); font-weight: 600;
  background: var(--accent); color: var(--bg);
  border-radius: var(--r-md);
  position: relative;
  overflow: hidden;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,0.18) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}
.btn-primary:hover {
  background: var(--accent-d);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--accent-g);
}
.btn-primary:hover::after {
  transform: translateX(120%);
}
.btn-ghost {
  display: inline-flex; align-items: center;
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--text-sm); font-weight: 600;
  border: 1px solid var(--border-2);
  color: var(--muted);
  border-radius: var(--r-md);
  transition: color 0.25s, border-color 0.25s, background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.btn-ghost:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border-2));
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-3));
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.14);
}

/* Ticker */
.hero-stack-ticker {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  height: 38px;
  z-index: 2;
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: ticker-scroll 30s linear infinite;
  height: 100%;
}
.ticker-track span {
  display: inline-flex; align-items: center;
  padding: 0 var(--sp-6);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  height: 100%;
  border-right: 1px solid var(--border);
  white-space: nowrap;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  right: var(--sp-8);
  bottom: 50px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}
.sh-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  writing-mode: vertical-rl;
}
.sh-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: sh-anim 2s ease-in-out infinite;
}
@keyframes sh-anim {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}
@media (max-width: 768px) { .scroll-hint { display: none; } }

/* ─── SECTION LABELS & TITLES ─────────────────────── */
.sec-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
  display: block;
  transition: letter-spacing 0.35s var(--ease), transform 0.35s var(--ease);
}
.section:hover .sec-label {
  letter-spacing: 0.14em;
  transform: translateX(2px);
}
.sec-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: var(--sp-8);
}

/* ─── SCROLL REVEAL ───────────────────────────────── */
.js-reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  filter: blur(10px);
  transition: opacity 0.6s var(--ease) var(--d, 0s),
              transform 0.7s var(--ease) var(--d, 0s),
              filter 0.7s var(--ease) var(--d, 0s);
}
.js-reveal.in { opacity: 1; transform: none; filter: blur(0); }

/* ─── ABOUT ───────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--sp-16);
  align-items: start;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; gap: var(--sp-8); } }

.about-p {
  font-size: var(--text-base);
  color: var(--muted);
  line-height: 1.75;
  max-width: 60ch;
  margin-bottom: var(--sp-4);
}
.about-p strong { color: var(--text); font-weight: 600; }

.about-meta {
  display: flex; flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-6);
}
.am-row {
  display: grid; grid-template-columns: 100px 1fr;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border);
  gap: var(--sp-4);
  align-items: center;
}
.am-row:last-child { border-bottom: none; }
.am-k { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted); letter-spacing: 0.06em; }
.am-v { font-size: var(--text-sm); font-weight: 500; color: var(--text); }
.am-open { color: var(--accent); }

.about-links { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.alink {
  font-size: var(--text-sm); font-weight: 500;
  color: var(--muted);
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s;
}
.alink:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-s); transform: translateY(-1px); }

/* ─── TIMELINE ────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.tl-spine {
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 1px; background: var(--border);
  border-radius: 1px;
}
.tl-fill {
  position: absolute; top: 0; left: 0; right: 0;
  background: linear-gradient(to bottom, var(--accent), var(--accent-d));
  border-radius: 1px;
  height: 0%;
  transition: height 0.25s linear;
}

.tl-item {
  position: relative;
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.tl-item.in { opacity: 1; transform: none; }

.tl-dot {
  position: absolute;
  left: -24px; top: 18px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border-2);
  border: 2px solid var(--bg-2);
  transition: background 0.3s, box-shadow 0.3s, transform 0.3s;
}
.tl-item.in .tl-dot,
.tl-item:hover .tl-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-g);
  transform: scale(1.3);
}

.tl-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.tl-item:hover .tl-card,
.tl-item.in .tl-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-g), 0 10px 28px rgba(0,0,0,0.24);
  transform: translateY(-3px);
}

.tl-head {
  display: flex; justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}
.tl-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: var(--sp-1);
}
.tl-role {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.tl-co {
  font-size: var(--text-sm);
  color: var(--muted);
  display: block;
}
.tl-badge {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  background: var(--accent-s);
  color: var(--accent);
  border: 1px solid var(--accent-g);
  border-radius: var(--r-sm);
  letter-spacing: 0.06em;
}

.tl-pts {
  list-style: none;
  display: flex; flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}
.tl-pts li {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.55;
  padding-left: var(--sp-4);
  position: relative;
}
.tl-pts li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--accent);
  font-size: 11px;
  top: 2px;
}
.tl-tags {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
}
.tl-tags span {
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  letter-spacing: 0.03em;
}

/* ─── PROJECTS ────────────────────────────────────── */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
@media (max-width: 860px) { .proj-grid { grid-template-columns: 1fr; } }
.proj-card--wide { grid-column: span 2; }
@media (max-width: 860px) { .proj-card--wide { grid-column: span 1; } }

.proj-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6) var(--sp-4);
  display: flex; flex-direction: column;
  gap: var(--sp-4);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease) calc(var(--pi, 0) * 0.07s),
              transform 0.5s var(--ease) calc(var(--pi, 0) * 0.07s),
              border-color 0.25s,
              box-shadow 0.25s;
}
.proj-card::before {
  content: '';
  position: absolute; top: 0; left: -20%; right: -20%;
  height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transform: translateX(-16%);
  transition: opacity 0.25s, transform 0.45s var(--ease);
}
.proj-card.in { opacity: 1; transform: none; }
.proj-card:hover {
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border-2));
  box-shadow: 0 12px 28px rgba(0,0,0,0.22);
  transform: translateY(-4px);
}
.proj-card:hover::before {
  opacity: 1;
  transform: translateX(16%);
}

.proj-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.1em;
  line-height: 1;
}
.proj-type {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-1);
}
.proj-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--sp-3);
}
.proj-desc {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.65;
}
.proj-body { flex: 1; }

.proj-reveal {
  display: flex; flex-direction: column; gap: var(--sp-2);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease), padding 0.35s;
  padding-top: 0;
}
.proj-card:hover .proj-reveal {
  max-height: 120px;
  opacity: 1;
  padding-top: var(--sp-3);
  border-top-color: var(--border-2);
}
.pr-row { display: grid; grid-template-columns: 64px 1fr; gap: var(--sp-3); }
.pr-k { font-family: var(--font-mono); font-size: 10px; color: var(--accent); letter-spacing: 0.06em; padding-top: 1px; }
.pr-v { font-size: var(--text-xs); color: var(--muted); line-height: 1.5; }

.proj-foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}
.proj-stack { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.proj-stack span {
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.proj-link {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  flex-shrink: 0;
  transition: letter-spacing 0.2s;
}
.proj-link:hover { letter-spacing: 0.08em; }
.proj-links {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-4);
  margin-left: auto;
}

/* ─── SKILLS ──────────────────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-1);
}
@media (max-width: 900px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stack-grid { grid-template-columns: 1fr; } }

.sg-group {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.sg-group:hover {
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border-2));
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
}

.sg-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-3);
  display: block;
}
.sg-tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.sg-tag {
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  cursor: default;
}
.sg-tag:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-s); }
.sg-tag--hl {
  color: var(--accent);
  border-color: var(--accent-g);
  background: var(--accent-s);
}
.sg-tag--med { color: var(--text); border-color: var(--border-2); }
.sg-tag em {
  font-style: normal; font-family: var(--font-mono);
  font-size: 9px; color: var(--muted); margin-left: 4px;
}

/* ─── EDUCATION (compact row layout) ─────────────── */
.edu-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.edu-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: var(--sp-6);
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease) var(--d, 0s),
              transform 0.5s var(--ease) var(--d, 0s),
              background 0.2s;
}
.edu-row:last-child { border-bottom: none; }
.edu-row.in { opacity: 1; transform: none; }
.edu-row:hover { background: var(--bg-3); }

.edu-yr {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--faint);
  line-height: 1;
  white-space: nowrap;
}
.edu-mid { display: flex; flex-direction: column; gap: 2px; }
.edu-deg { font-size: var(--text-sm); font-weight: 600; color: var(--text); }
.edu-inst { font-size: var(--text-xs); color: var(--muted); font-family: var(--font-mono); }
.edu-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
@media (max-width: 560px) {
  .edu-row { grid-template-columns: 44px 1fr; gap: var(--sp-3); }
  .edu-tag { display: none; }
}

/* ─── CONTACT ─────────────────────────────────────── */
.contact-sub {
  font-size: var(--text-base);
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: var(--sp-8);
  line-height: 1.65;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}
@media (max-width: 560px) { .contact-grid { grid-template-columns: 1fr; } }
.cc {
  display: flex; flex-direction: column; gap: var(--sp-1);
  padding: var(--sp-5) var(--sp-5);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.cc:hover {
  border-color: var(--accent);
  background: var(--accent-s);
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.18);
}
.cc-k {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.cc-v { font-size: var(--text-sm); font-weight: 500; color: var(--text); }

/* ─── FOOTER ──────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding-block: var(--sp-5);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--sp-3);
}
.footer-name { font-size: var(--text-sm); font-weight: 500; color: var(--muted); }
.footer-loc { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--faint); }

/* ─── ROLE PAGES ───────────────────────────────────── */
.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(5.5rem, 10vw, 7.5rem) clamp(3rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 14%, transparent), transparent 34%),
    radial-gradient(circle at bottom left, color-mix(in srgb, var(--accent) 10%, transparent), transparent 30%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-2) 88%, transparent), var(--bg));
}
.page-hero .wrap {
  position: relative;
  z-index: 1;
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  align-items: center;
  margin-bottom: var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  letter-spacing: 0.05em;
}
.crumbs a {
  color: var(--muted);
  transition: color 0.2s;
}
.crumbs a:hover { color: var(--accent); }
.crumbs-sep { color: var(--faint); }
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  background: var(--accent-s);
  border: 1px solid var(--accent-g);
  border-radius: var(--r-sm);
}
.page-title {
  font-size: clamp(2.25rem, 1.4rem + 4.3vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: var(--sp-5);
}
.page-lead {
  max-width: 62ch;
  font-size: var(--text-md);
  color: var(--muted);
  line-height: 1.75;
}
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.page-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}
@media (max-width: 860px) {
  .page-grid { grid-template-columns: 1fr; }
}
.page-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
}
.page-card h2,
.page-card h3 {
  font-size: var(--text-md);
  margin-bottom: var(--sp-4);
}
.page-card p + p { margin-top: var(--sp-3); }
.page-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.page-list li {
  color: var(--muted);
  line-height: 1.7;
  padding-left: var(--sp-4);
  position: relative;
}
.page-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent);
  font-size: 11px;
}
.page-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}
.page-pills span,
.page-pills a {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.page-pills a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-s);
}
.page-note {
  margin-top: var(--sp-6);
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-3));
  color: var(--muted);
}