:root {
  --p0: #071827;
  --p1: #0c2a3b;
  --p3: #5fe0d6;
  --p5: #f3fbfa;

  --bg0: #07121f;
  --bg1: #081a2a;

  --surface: rgba(243, 251, 250, 0.08);
  --surface2: rgba(243, 251, 250, 0.14);

  --text: #f3fbfa;
  --muted: rgba(243, 251, 250, 0.78);
  --line: rgba(243, 251, 250, 0.18);

  --accent: var(--p3);
  --accent2: #0f6f7a;

  /* Hackathon accent (green/teal) */
  --hack: #2fe6b0;
  --hack2: #0f8f6a;

  --radius: 18px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

:root[data-theme="light"] {
  --bg0: #f3fbfa;
  --bg1: #e6f7f5;

  --surface: rgba(7, 24, 39, 0.05);
  --surface2: rgba(7, 24, 39, 0.08);

  --text: #071827;
  --muted: rgba(7, 24, 39, 0.68);
  --line: rgba(7, 24, 39, 0.14);

  --accent: #137c86;
  --accent2: #0c2a3b;

  --shadow: 0 18px 60px rgba(7, 24, 39, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 96px; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: var(--text);
  background:
    radial-gradient(900px 600px at 15% 15%, rgba(95, 224, 214, 0.14), transparent 55%),
    radial-gradient(900px 600px at 90% 30%, rgba(191, 243, 238, 0.1), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x: hidden;
  cursor: none; /* custom cursor */
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(243, 251, 250, 0.07) 0 2px, transparent 3px) 0 0 / 38px 38px,
    radial-gradient(circle at 80% 60%, rgba(243, 251, 250, 0.05) 0 2px, transparent 3px) 0 0 / 44px 44px;
  opacity: 0.42;
  animation: drift 18s linear infinite;
}
:root[data-theme="light"] body::before {
  background:
    radial-gradient(circle at 20% 30%, rgba(7, 24, 39, 0.08) 0 2px, transparent 3px) 0 0 / 38px 38px,
    radial-gradient(circle at 80% 60%, rgba(7, 24, 39, 0.06) 0 2px, transparent 3px) 0 0 / 44px 44px;
  opacity: 0.16;
}
@keyframes drift { 0% { transform: translate3d(0,0,0); } 100% { transform: translate3d(-70px,45px,0); } }

.container { width: min(1020px, calc(100% - 40px)); margin: 0 auto; }

/* Custom cursor: Sparkle trail */
.sparkle-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
}

.sparkle {
  position: absolute;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%) rotate(45deg);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow:
    0 0 18px rgba(255, 255, 255, 0.55),
    0 0 46px rgba(255, 255, 255, 0.25);
  opacity: 0.95;
  animation: sparkle-pop 620ms ease-out forwards;
  will-change: transform, opacity, filter;
}

.sparkle::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.9);
  filter: blur(0.3px);
  opacity: 0.95;
}

@keyframes sparkle-pop {
  0% { transform: translate(-50%, -50%) rotate(45deg) scale(0.75); opacity: 0.95; }
  55% { transform: translate(-50%, -50%) rotate(45deg) scale(1.25); opacity: 0.75; }
  100% { transform: translate(-50%, -50%) rotate(45deg) scale(0.55); opacity: 0; }
}

/* Hide custom cursor on touch devices */
@media (hover: none) {
  body { cursor: auto; }
  .sparkle-layer { display: none !important; }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--surface2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 900;
  color: var(--text);
  text-decoration: none;
}
.skip-link:focus { left: 12px; z-index: 9999; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 18, 31, 0.72);
  background: color-mix(in oklab, var(--bg0) 55%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand { font-weight: 950; text-decoration: none; color: var(--text); letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 12px; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 850;
  padding: 8px 10px;
  border-radius: 12px;
  transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;
}
.nav-links a:hover {
  color: var(--text);
  background: rgba(243, 251, 250, 0.10);
  transform: translateY(-1px);
}
:root[data-theme="light"] .nav-links a:hover { background: rgba(7, 24, 39, 0.06); }
.nav-actions { display: flex; gap: 12px; align-items: center; }

/* Theme switch */
.theme-switch { display: inline-flex; align-items: center; cursor: pointer; }
.theme-switch-input {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
}
.theme-switch-track {
  width: 58px; height: 32px; border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface2);
  background: color-mix(in oklab, var(--surface2) 85%, transparent);
  position: relative;
  box-shadow: 0 6px 18px rgba(0,0,0,0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.theme-switch-track:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(0,0,0,0.2); }
.theme-switch-icon {
  position: absolute; top: 50%; transform: translateY(-50%);
  font-size: 14px; opacity: 0.9; pointer-events: none;
}
.theme-switch-icon.sun { left: 10px; color: color-mix(in oklab, var(--accent) 80%, var(--text)); }
.theme-switch-icon.moon { right: 10px; color: color-mix(in oklab, var(--muted) 75%, var(--text)); }
.theme-switch-knob {
  width: 26px; height: 26px; border-radius: 999px;
  position: absolute; top: 50%; left: 3px; transform: translateY(-50%);
  background: linear-gradient(180deg, rgba(243, 251, 250, 0.95), rgba(243, 251, 250, 0.75));
  border: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
  transition: left 0.22s ease;
}
:root[data-theme="light"] .theme-switch-knob {
  background: linear-gradient(180deg, rgba(7, 24, 39, 0.9), rgba(7, 24, 39, 0.75));
}
.theme-switch-input:checked + .theme-switch-track .theme-switch-knob { left: 29px; }
.theme-switch-input:focus-visible + .theme-switch-track {
  outline: 3px solid color-mix(in oklab, var(--accent) 35%, transparent);
  outline-offset: 3px;
}

/* Buttons */
.icon-btn {
  display: inline-flex; align-items: center;
  padding: 10px 12px; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(243, 251, 250, 0.06);
  color: var(--text);
  font-weight: 950;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
:root[data-theme="light"] .icon-btn { background: rgba(7, 24, 39, 0.06); }
.icon-btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent) 90%, white),
    var(--accent2)
  );
  color: color-mix(in oklab, var(--text) 22%, var(--p0));
}
:root[data-theme="light"] .icon-btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: var(--p5);
}
.icon-btn:hover { transform: translateY(-1px); box-shadow: 0 16px 34px rgba(0,0,0,0.22); }

/* Hero */
.intro {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
  padding: 86px 0 58px;
}
.intro-kicker {
  margin: 0 0 14px;
  color: rgba(243, 251, 250, 0.82);
  font-weight: 950;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 12px;
}
:root[data-theme="light"] .intro-kicker { color: rgba(7, 24, 39, 0.6); }
.intro-title {
  margin: 0 0 16px;
  font-size: clamp(46px, 5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.intro-text {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.68;
  max-width: 62ch;
}
.intro-actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.intro-right img {
  width: 100%;
  max-width: 360px;
  border-radius: 28px;
  border: 1px solid color-mix(in oklab, var(--line) 80%, transparent);
  box-shadow: var(--shadow);
  object-fit: cover;
  background: rgba(243, 251, 250, 0.04);
}

/* CTA buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 16px; border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(243, 251, 250, 0.06);
  color: var(--text);
  text-decoration: none;
  font-weight: 950;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
:root[data-theme="light"] .btn { background: rgba(7, 24, 39, 0.06); }
.btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent) 90%, white),
    var(--accent2)
  );
  color: color-mix(in oklab, var(--text) 22%, var(--p0));
}
:root[data-theme="light"] .btn.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: var(--p5);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(0,0,0,0.25); }

/* Sections */
.section { padding: 58px 0; }
.section-head { margin-bottom: 18px; }
.section h2 { margin: 0 0 10px; font-size: 28px; letter-spacing: -0.02em; }
.big-title {
  font-size: clamp(44px, 6vw, 76px) !important;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.lead { margin: 0; color: var(--muted); max-width: 80ch; line-height: 1.65; }

/* Underline */
.section-underline {
  height: 5px;
  width: min(460px, 100%);
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--accent),
    color-mix(in oklab, var(--accent) 40%, transparent),
    var(--accent2)
  );
  opacity: 0.95;
  margin: 10px 0 14px;
  position: relative;
  overflow: hidden;
}
.section-underline.strong { height: 7px; width: min(560px, 100%); }
.section-underline::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(243, 251, 250, 0.35), transparent);
  transform: translateX(-60%);
  animation: shine 2.8s ease-in-out infinite;
}
:root[data-theme="light"] .section-underline::after {
  background: linear-gradient(90deg, transparent, rgba(7, 24, 39, 0.18), transparent);
}
@keyframes shine { 0% { transform: translateX(-60%); } 100% { transform: translateX(160%); } }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 1px 0 rgba(243, 251, 250, 0.06) inset;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  position: relative;
}
.card:hover { border-color: color-mix(in oklab, var(--line) 70%, transparent); box-shadow: var(--shadow); }
.tilt:hover { transform: perspective(900px) rotateX(1.2deg) rotateY(-1.2deg) translateY(-6px); }

/* Pills */
.pill {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(243, 251, 250, 0.08);
  color: rgba(243, 251, 250, 0.92);
  font-weight: 950;
  font-size: 12px;
}
:root[data-theme="light"] .pill { background: rgba(7, 24, 39, 0.06); color: rgba(7, 24, 39, 0.82); }

.pill-hack {
  border-color: color-mix(in oklab, var(--hack) 45%, var(--line));
  background: color-mix(in oklab, var(--hack) 16%, transparent);
}

/* Typography */
.card h3 { margin: 12px 0 10px; font-size: 18px; }
.muted { color: var(--muted); }
.note { color: color-mix(in oklab, var(--muted) 95%, transparent); font-weight: 900; margin-top: 12px; }

.bullets { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.62; }
.bullets li { margin: 9px 0; }
.bullets-tight { margin-top: 12px; }
.bullets-tight li { margin: 8px 0; }

.bullets-strong strong {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--text);
  background: color-mix(in oklab, var(--accent) 18%, transparent);
  border: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
}
:root[data-theme="light"] .bullets-strong strong { background: rgba(19, 124, 134, 0.12); }
.bullets-strong .sub { display: block; margin-top: 8px; color: var(--muted); }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.chips-spaced { margin-top: 16px; gap: 14px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--surface2) 80%, transparent);
  color: color-mix(in oklab, var(--muted) 90%, var(--text));
  font-weight: 900;
  font-size: 12px;
}

.chip-hack {
  border-color: color-mix(in oklab, var(--hack) 30%, var(--line));
  background: color-mix(in oklab, var(--hack2) 14%, transparent);
}

/* Grids */
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.beyond-grid { margin-bottom: 22px; }

.projects-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }

/* Fun card variation */
.fun-card { border-radius: 22px; transform: rotate(-0.4deg); }
.fun-card:nth-child(2n) { transform: rotate(0.4deg); }
.fun-card:hover { transform: rotate(0deg) translateY(-8px); }

.proj-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  pointer-events: none;
  background: radial-gradient(
    900px 340px at 10% 0%,
    color-mix(in oklab, var(--card-accent, var(--accent)) 22%, transparent),
    transparent 55%
  );
  opacity: 0.9;
}
.projects-grid > .proj-card:nth-child(1) { --card-accent: #34d7c5; }
.projects-grid > .proj-card:nth-child(2) { --card-accent: #1ea89f; }
.projects-grid > .proj-card:nth-child(3) { --card-accent: #7cf0d8; }

/* Hackathon card type: different border + pattern + stamp */
.hack-card {
  border: 2px dashed color-mix(in oklab, var(--hack) 45%, var(--line));
  background:
    radial-gradient(700px 260px at 10% 0%, color-mix(in oklab, var(--hack2) 14%, transparent), transparent 55%),
    radial-gradient(700px 260px at 90% 10%, color-mix(in oklab, var(--hack) 12%, transparent), transparent 55%),
    linear-gradient(180deg, var(--surface2), var(--surface));
}

.hack-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 16px;
  pointer-events: none;
  opacity: 0.35;
  background:
    repeating-linear-gradient(
      135deg,
      color-mix(in oklab, var(--hack) 18%, transparent) 0 8px,
      transparent 8px 16px
    );
}

.hack-stamp {
  position: absolute;
  top: 14px;
  right: 14px;
  transform: rotate(10deg);
  padding: 8px 10px;
  border-radius: 12px;
  border: 2px solid color-mix(in oklab, var(--hack) 60%, var(--line));
  background: color-mix(in oklab, var(--hack) 18%, transparent);
  font-weight: 950;
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* Card buttons */
.card-actions { margin-top: 16px; display: flex; gap: 12px; flex-wrap: wrap; }
.action-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 950;
  color: var(--text);
  background: rgba(243, 251, 250, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.action-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(0,0,0,0.22); }
.action-btn.github { background: color-mix(in oklab, var(--p1) 58%, transparent); }
.action-btn.live {
  background: color-mix(in oklab, var(--accent) 35%, transparent);
  border-color: color-mix(in oklab, var(--accent) 35%, var(--line));
}
.action-btn.neutral { background: color-mix(in oklab, var(--surface2) 80%, transparent); }
.arrow { font-weight: 950; margin-left: 6px; }

/* Experience */
.experience-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.exp-vcard {
  position: relative; border-radius: 22px; border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.exp-vcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); }

.exp-band {
  height: 96px;
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--band) 78%, #ffffff),
    color-mix(in oklab, var(--band) 58%, #001c22)
  );
}
:root[data-theme="light"] .exp-band {
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--band) 62%, #ffffff),
    color-mix(in oklab, var(--band) 35%, #dff7f4)
  );
}
.exp-company { height: 96px; display: grid; place-items: center; font-weight: 950; color: rgba(243, 251, 250, 0.92); }
:root[data-theme="light"] .exp-company { color: rgba(7, 24, 39, 0.86); }

.exp-badge {
  width: 86px; height: 86px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
  background: linear-gradient(180deg, var(--surface2), var(--surface));
  position: absolute;
  left: 50%; top: 96px;
  transform: translate(-50%, -50%);
  display: grid; place-items: center;
  box-shadow: 0 16px 34px rgba(0,0,0,0.18);
}
:root:not([data-theme="light"]) .exp-badge {
  background: radial-gradient(120px 120px at 50% 40%, rgba(255,255,255,0.14), rgba(255,255,255,0.04) 55%, rgba(0,0,0,0.1)),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border-color: rgba(255,255,255,0.18);
}
.exp-logo { width: 52px; height: 52px; object-fit: contain; filter: drop-shadow(0 6px 10px rgba(0,0,0,0.18)); }
:root:not([data-theme="light"]) .exp-logo { background: rgba(255,255,255,0.08); padding: 10px; border-radius: 14px; }
.exp-body { padding: 58px 22px 22px; }
.exp-role { margin: 0 0 8px; font-size: 18px; }
.exp-meta { color: var(--muted); font-weight: 850; font-size: 13px; margin-bottom: 12px; }

/* Contact */
.contact-wrap { display: grid; place-items: center; }
.contact-card-big {
  width: min(720px, 100%);
  border-radius: 26px;
  border: 2px solid color-mix(in oklab, var(--line) 75%, transparent);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.25));
  padding: 34px 28px 28px;
  box-shadow: var(--shadow);
  transform: rotate(-1.2deg);
}
:root[data-theme="light"] .contact-card-big {
  background: linear-gradient(180deg, rgba(7,24,39,0.06), rgba(7,24,39,0.03));
}
.contact-title {
  margin: 0;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.contact-line {
  height: 6px;
  width: min(520px, 100%);
  margin: 16px 0 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, #34d7c5, #1ea89f, #7cf0d8, #0f6f7a);
}
.contact-email {
  display: inline-block;
  font-weight: 950;
  font-size: 20px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 3px solid color-mix(in oklab, var(--accent) 70%, transparent);
  padding-bottom: 6px;
}
.contact-icons-row { display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.bubble {
  width: 54px; height: 54px; border-radius: 999px;
  border: 2px solid color-mix(in oklab, var(--line) 70%, transparent);
  display: grid; place-items: center;
  text-decoration: none;
  font-weight: 950;
  color: var(--text);
  box-shadow: 0 14px 26px rgba(0,0,0,0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.bubble:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 18px 34px rgba(0,0,0,0.22); }
.bubble.b1 { background: rgba(52, 215, 197, 0.22); }
.bubble.b2 { background: rgba(30, 168, 159, 0.22); }
.bubble.b3 { background: rgba(124, 240, 216, 0.22); }

.contact-tagline {
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 850;
  letter-spacing: 0.01em;
}

.contact-badges { margin-top: 14px; }
.contact-pill {
  background: rgba(243, 251, 250, 0.08);
  border-color: rgba(243, 251, 250, 0.22);
}

:root[data-theme="light"] .contact-pill {
  background: rgba(7, 24, 39, 0.06);
  border-color: rgba(7, 24, 39, 0.18);
}

/* Contact card: spotlight + texture */
.contact-card-big {
  position: relative;
  overflow: hidden;
}

.contact-card-big::before {
  content: "";
  position: absolute;
  inset: -30%;
  pointer-events: none;
  background:
    radial-gradient(420px 260px at 15% 20%, rgba(95, 224, 214, 0.22), transparent 55%),
    radial-gradient(520px 300px at 85% 70%, rgba(15, 143, 106, 0.18), transparent 58%),
    linear-gradient(120deg, transparent 0 45%, rgba(243, 251, 250, 0.14) 50%, transparent 55% 100%);
  transform: translateX(-22%);
  opacity: 0.85;
  animation: spotlight-sweep 6.8s ease-in-out infinite;
}

:root[data-theme="light"] .contact-card-big::before {
  background:
    radial-gradient(420px 260px at 15% 20%, rgba(19, 124, 134, 0.16), transparent 55%),
    radial-gradient(520px 300px at 85% 70%, rgba(12, 42, 59, 0.10), transparent 58%),
    linear-gradient(120deg, transparent 0 45%, rgba(7, 24, 39, 0.10) 50%, transparent 55% 100%);
  opacity: 0.65;
}

@keyframes spotlight-sweep {
  0% { transform: translateX(-26%) rotate(-2deg); }
  50% { transform: translateX(18%) rotate(2deg); }
  100% { transform: translateX(-26%) rotate(-2deg); }
}

.contact-card-big::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.38;
  background:
    radial-gradient(circle at 20% 30%, rgba(243, 251, 250, 0.09) 0 2px, transparent 3px) 0 0 / 34px 34px,
    radial-gradient(circle at 80% 65%, rgba(243, 251, 250, 0.06) 0 2px, transparent 3px) 0 0 / 42px 42px,
    linear-gradient(180deg, transparent, rgba(0,0,0,0.08));
  mix-blend-mode: soft-light;
}

:root[data-theme="light"] .contact-card-big::after {
  opacity: 0.22;
  background:
    radial-gradient(circle at 20% 30%, rgba(7, 24, 39, 0.10) 0 2px, transparent 3px) 0 0 / 34px 34px,
    radial-gradient(circle at 80% 65%, rgba(7, 24, 39, 0.07) 0 2px, transparent 3px) 0 0 / 42px 42px,
    linear-gradient(180deg, transparent, rgba(7,24,39,0.05));
}

.contact-card-big > * { position: relative; z-index: 1; }

.footer { padding: 42px 0 64px; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px) rotate(-0.4deg);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform, opacity;
  transition-delay: var(--d, 0ms);
}
.reveal.is-visible { opacity: 1; transform: translateY(0) rotate(0); }

/* Scroll Beads (centered) */
#scrollBeads {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  z-index: 30;
  opacity: 0.98;
  display: grid;
  gap: 10px;
  pointer-events: auto;
}
.bead-btn {
  width: 22px; height: 22px;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 999px;
}
.bead-dot {
  width: 12px; height: 12px;
  border-radius: 999px;
  background: var(--bead, #34d7c5);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.18);
  opacity: 0.92;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}
.bead-btn::after {
  content: attr(data-label);
  position: absolute;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  padding: 7px 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(7, 18, 31, 0.72);
  background: color-mix(in oklab, var(--bg0) 70%, transparent);
  backdrop-filter: blur(10px);
  color: var(--text);
  font-weight: 900;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
}
.bead-btn:hover::after,
.bead-btn:focus-visible::after { opacity: 1; transform: translateY(-50%) translateX(2px); }
.bead-btn:hover .bead-dot { transform: scale(1.18); box-shadow: 0 14px 24px rgba(0,0,0,0.22); }
.bead-btn.is-active .bead-dot {
  transform: scale(1.25);
  opacity: 1;
  box-shadow: 0 18px 34px color-mix(in oklab, var(--accent) 35%, rgba(0,0,0,0.22));
}

/* Focus */
a:focus-visible,
button:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--accent) 35%, transparent);
  outline-offset: 3px;
  border-radius: 12px;
}

/* Responsive */
@media (max-width: 980px) {
  .projects-grid { grid-template-columns: 1fr; }
  .experience-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .intro { grid-template-columns: 1fr; padding: 64px 0 44px; }
  .intro-right { order: -1; }
  .intro-right img { max-width: 280px; }
  .grid, .skills-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  #scrollBeads { display: none; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body::before { animation: none !important; }
  .reveal, .card, .btn, .icon-btn, .action-btn, .theme-switch-track, .bead-dot, .sparkle {
    transition: none !important;
    transform: none !important;
  }
  .reveal { opacity: 1 !important; }
}

/* -----------------------------
   Compatibility fallbacks
   (for browsers without color-mix/oklab + weaker blur support)
------------------------------ */
@supports not (background: color-mix(in oklab, white 50%, black)) {
  .nav { background: rgba(7, 18, 31, 0.72); }
  :root[data-theme="light"] .nav { background: rgba(243, 251, 250, 0.82); }

  .theme-switch-track { background: var(--surface2); }
  .icon-btn.primary, .btn.primary {
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    color: var(--p5);
  }

  .action-btn.github { background: rgba(12, 42, 59, 0.55); }
  .action-btn.live { background: rgba(95, 224, 214, 0.18); border-color: var(--line); }
  .action-btn.neutral { background: rgba(243, 251, 250, 0.10); }

  .bullets-strong strong { background: rgba(95, 224, 214, 0.14); border-color: var(--line); }
  :root[data-theme="light"] .bullets-strong strong { background: rgba(19, 124, 134, 0.12); }

  .chip { background: rgba(243, 251, 250, 0.12); }
  :root[data-theme="light"] .chip { background: rgba(7, 24, 39, 0.06); }

  .hack-card {
    border-color: rgba(47, 230, 176, 0.55);
    background: linear-gradient(180deg, var(--surface2), var(--surface));
  }
  .hack-stamp {
    border-color: rgba(47, 230, 176, 0.75);
    background: rgba(47, 230, 176, 0.16);
  }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .nav { backdrop-filter: none; }
  .bead-btn::after { backdrop-filter: none; }
  .nav { background: rgba(7, 18, 31, 0.86); }
  :root[data-theme="light"] .nav { background: rgba(243, 251, 250, 0.92); }
}
/* --- Projects: clean list layout --- */
.projects-list { display: grid; gap: 18px; }

.project-item {
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
}

.project-top { display: flex; justify-content: space-between; gap: 12px; }
.project-title { margin: 0; }
.project-desc { margin-top: 8px; }
.project-actions { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; }

/* View more */
.projects-more {
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255,255,255,0.01);
}
.projects-more-summary { cursor: pointer; list-style: none; font-weight: 600; padding: 6px 8px; }
.projects-more-summary::-webkit-details-marker { display: none; }
.project-item-more { margin-top: 12px; }

/* --- Hackathons: list layout --- */
.hack-list { display: grid; gap: 18px; }
.hack-item {
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
}
.hack-title { margin: 0; }
.hack-desc { margin-top: 8px; }
/* --- Differentiation: Projects primary, Hackathons secondary --- */
.projects-primary .project-item {
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.03);
}

.projects-primary .projects-more {
  border: 1px dashed rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.015);
}

.hack-secondary .hack-item {
  border: 1px dashed rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.012);
}

.hack-secondary .note {
  opacity: 0.85;
}
/* ===== Make borders visible on light background ===== */

/* Projects = solid border + slightly stronger surface */
.projects-primary .project-item{
  border: 1px solid rgba(0,0,0,0.14);
  background: rgba(255,255,255,0.55);
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

/* View more container */
.projects-primary .projects-more{
  border: 1px dashed rgba(0,0,0,0.18);
  background: rgba(255,255,255,0.40);
  box-shadow: 0 6px 18px rgba(0,0,0,0.04);
}

/* Hackathons = dashed border + lighter surface */
.hack-secondary .hack-item{
  border: 1px dashed rgba(0,0,0,0.18);
  background: rgba(255,255,255,0.35);
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}
.projects-primary .project-item {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.projects-primary .project-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.10);
}
.projects-more-summary {
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0;
}

.projects-more-summary:hover {
  opacity: 0.7;
}
/* Brand logo in navbar */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  height: 22px;
  width: auto;
  display: block;
  object-fit: contain;
  image-rendering: auto;

}

.brand-text {
  font-weight: 700;
}
.brand-logo {
  margin-left: -6px;
}
.brand-logo {
  transform: translateX(-30px);
}
.brand-logo {
  height: 22px;
  width: auto;
  max-width: none;
  flex: 0 0 auto;
}