:root {
  --bg: #FFFFFF;
  --surface: #F5F5F7;
  --card: #FFFFFF;
  --panel: rgba(255, 255, 255, 0.88);
  --text: #1D1D1F;
  --muted: #515154;
  --subtle: #86868B;
  --accent: #0066CC;
  --accent-2: #2997FF;
  --line: #D2D2D7;
  --hover: #004A99;
  --bg-rgb: 255, 255, 255;
  --surface-rgb: 245, 245, 247;
  --card-rgb: 255, 255, 255;
  --accent-rgb: 0, 102, 204;
  --accent-2-rgb: 41, 151, 255;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.6;
  letter-spacing: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(var(--accent-2-rgb), 0.08), transparent 28rem),
    linear-gradient(180deg, #FFFFFF 0%, #F5F5F7 46%, #FFFFFF 100%);
  padding-bottom: env(safe-area-inset-bottom);
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p {
  color: var(--muted);
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--bg);
  font-weight: 800;
}

.skip-link:focus {
  top: 16px;
}

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

.section {
  padding: 96px 0;
  scroll-margin-top: 86px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header.scrolled {
  background: rgba(251, 251, 253, 0.82);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(100% - 32px, 1240px);
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 228px;
  margin-right: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, #FFFFFF, #F5F5F7);
  color: var(--accent);
  font-weight: 900;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy small {
  color: var(--subtle);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.91rem;
  font-weight: 650;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--hover);
  background: rgba(var(--accent-rgb), 0.08);
}

.theme-toggle {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--hover);
}

.theme-toggle-icon {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: flex;
  align-items: center;
  padding-top: 104px;
  padding-bottom: 34px;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.8), rgba(245, 245, 247, 0.92)),
    url("assets/linkedin-banner.png") center / cover no-repeat;
  opacity: 0.56;
  filter: grayscale(0.12) saturate(1.05) contrast(1.02) brightness(1.12);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 22%;
  background: linear-gradient(0deg, var(--bg), transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(290px, 0.54fr);
  align-items: center;
  gap: 48px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.sg-line {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 900;
}

.hero h1 {
  max-width: 780px;
  margin-bottom: 12px;
  color: var(--text);
  font-size: clamp(2.9rem, 6.2vw, 5.35rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-position {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: clamp(1.2rem, 2.1vw, 1.72rem);
  font-weight: 800;
}

.hero-subtitle {
  margin-bottom: 12px;
  color: var(--accent-2);
  font-size: clamp(1rem, 2vw, 1.28rem);
  font-weight: 900;
}

.hero-text {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: 1.16rem;
}

.tagline-stack {
  display: grid;
  gap: 3px;
  max-width: 650px;
  margin: 0 0 22px;
}

.tagline-stack span {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 800;
}

.hero-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.social-link:hover {
  transform: translateY(-2px);
  border-color: var(--hover);
  background: #FFFFFF;
}

.social-link span,
.button-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
}

.social-link svg,
.button-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.social-link strong {
  font-size: 0.92rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.button.icon-only {
  width: 54px;
  min-width: 54px;
  height: 54px;
  min-height: 54px;
  padding: 0;
  border-radius: 50%;
}

.button.icon-only .button-icon {
  width: 24px;
  height: 24px;
  flex-basis: 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.1);
}

.button.primary {
  background: var(--accent);
  color: #FFFFFF;
}

.button.secondary {
  border-color: var(--accent-2);
  color: var(--accent);
  background: rgba(255, 255, 255, 0.8);
}

.button.ghost {
  border-color: var(--line);
  color: var(--accent);
  background: rgba(255, 255, 255, 0.7);
}

.profile-panel {
  align-self: center;
  display: grid;
  align-content: center;
  gap: 16px;
}

.profile-media {
  width: min(100%, 260px);
  margin-inline: auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--accent-2);
  background: linear-gradient(145deg, #FFFFFF 0%, #EAF4FF 48%, #D6ECFF 100%);
  box-shadow: var(--shadow);
  aspect-ratio: 1;
}

.profile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05) brightness(1.04);
  opacity: 0.98;
}

.profile-card,
.contact-shell,
.explore-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.profile-card {
  padding: 18px;
}

.profile-label {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.profile-card h2 {
  margin-bottom: 18px;
  color: var(--text);
  font-size: 1.06rem;
  line-height: 1.25;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-row span {
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.metric-row strong,
.metric-row small {
  display: block;
}

.metric-row strong {
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
}

.metric-row small {
  margin-top: 6px;
  color: var(--subtle);
  font-size: 0.77rem;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.section-heading h2 {
  max-width: 690px;
  margin-bottom: 18px;
  color: var(--text);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
}

.section-heading.centered {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading.centered h2,
.section-heading.centered .section-intro {
  margin-inline: auto;
}

.section-intro {
  max-width: 720px;
}

.about-content p {
  font-size: 1.06rem;
}

.value-strip,
.skill-cloud,
.explore-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.value-strip {
  margin-top: 28px;
}

.value-strip span,
.skill-cloud span,
.explore-list span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #FFFFFF;
  color: var(--text);
}

.value-strip span,
.skill-cloud span,
.explore-list span {
  padding: 9px 12px;
}

.domain-grid,
.project-grid,
.blog-grid,
.beyond-grid {
  display: grid;
  gap: 16px;
}

.domain-grid {
  grid-template-columns: repeat(4, 1fr);
}

.project-grid {
  grid-template-columns: repeat(3, 1fr);
}

.blog-grid {
  grid-template-columns: repeat(5, 1fr);
}

.beyond-grid {
  grid-template-columns: repeat(4, 1fr);
}

.domain-card,
.project-card,
.blog-card,
.beyond-card,
.timeline-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #FFFFFF, #FAFAFC);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.06);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.domain-card:hover,
.project-card:hover,
.blog-card:hover,
.beyond-card:hover,
.timeline-item:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-rgb), 0.28);
  background: #FFFFFF;
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.1);
}

.domain-card {
  min-height: 240px;
  padding: 22px;
}

.domain-card:nth-child(7) {
  grid-column: span 2;
}

.project-card,
.blog-card,
.beyond-card {
  padding: 24px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.blog-card h3 {
  overflow-wrap: anywhere;
}

.blog-card .text-link {
  margin-top: auto;
}

.beyond-card {
  min-height: 300px;
}

.card-icon,
.project-kicker,
.blog-card span,
.beyond-kicker {
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.domain-card h3,
.project-card h3,
.blog-card h3,
.beyond-card h3,
.timeline-item h3 {
  margin: 18px 0 10px;
  color: var(--text);
  line-height: 1.2;
}

.project-card ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.project-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.project-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

.experience,
.beyond {
  background:
    linear-gradient(180deg, #F5F5F7, #FFFFFF);
  border-block: 1px solid var(--line);
}

.timeline {
  position: relative;
  display: grid;
  gap: 22px;
  max-width: 820px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 76px;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(var(--accent-rgb), 0.28), transparent);
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 24px;
  width: 100%;
  margin: 0;
  padding: 24px;
}

.timeline-marker {
  display: grid;
  align-content: start;
  gap: 14px;
}

.timeline-marker time {
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 950;
}

.timeline-marker span {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--accent-2);
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--accent);
  font-weight: 950;
}

.timeline-copy h3 {
  margin-top: 0;
  font-size: clamp(1.35rem, 3vw, 2.15rem);
}

.timeline-copy p {
  margin: 0 0 5px;
  color: var(--muted);
  font-weight: 700;
}

.timeline-flow-arrow {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 52px;
  height: 40px;
  margin: -10px 0 -10px 50px;
  color: var(--accent);
  font-size: 1.6rem;
  animation: arrowFloat 1.6s ease-in-out infinite;
}

.explore-panel {
  padding: 28px;
}

.linkedin-panel {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #FFFFFF;
  box-shadow: var(--shadow);
  min-height: 140px;
}

[data-theme="dark"] .linkedin-panel {
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.linkedin-widget-frame {
  position: relative;
  width: 100%;
}

.linkedin-widget-slot {
  width: 100%;
}

.linkedin-widget-slot-light {
  position: relative;
  z-index: 1;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.linkedin-widget-slot-dark {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

[data-theme="dark"] .linkedin-widget-slot-light {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

[data-theme="dark"] .linkedin-widget-slot-dark {
  position: relative;
  z-index: 1;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.explore-list {
  margin-top: 22px;
}

.text-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 900;
}

.text-link:hover {
  color: var(--hover);
}

.visual-icons {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
}

.visual-icons span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #F5F9FF;
  color: var(--accent);
  font-size: 1.45rem;
}

.visual-icons svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  padding: 36px;
}

.contact-shell h2 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.08;
}

.contact-actions {
  justify-content: flex-end;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
}

.back-to-top {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 45;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--accent-2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity 220ms ease, transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--hover);
  background: #FFFFFF;
}

.back-to-top span {
  font-size: 1.5rem;
  line-height: 1;
  transform: translateY(-1px);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p,
.footer-inner a {
  margin: 0;
  color: var(--subtle);
  font-size: 0.9rem;
}

.footer-inner a:hover {
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  transition: opacity 460ms ease, transform 520ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.delay-1 {
  transition-delay: 120ms;
}

@media (max-width: 1180px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1060px) {
  .nav-links {
    position: fixed;
    inset: 76px 16px auto;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(var(--bg-rgb), 0.96);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    padding: 13px 14px;
  }

  .nav-toggle {
    display: block;
  }

  .hero-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 38px;
  }

  .profile-panel {
    max-width: 620px;
  }

  .domain-grid,
  .project-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .beyond-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .section {
    padding: 68px 0;
    scroll-margin-top: 78px;
  }

  .hero {
    min-height: auto;
    padding-top: 96px;
    padding-bottom: 36px;
  }

  .brand-copy small {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .hero-text {
    font-size: 1.03rem;
  }

  .hero-position {
    font-size: 1.18rem;
  }

  .hero-subtitle {
    font-size: 0.98rem;
  }

  .tagline-stack span {
    font-size: 0.9rem;
  }

  .button {
    width: 100%;
  }

  .profile-media {
    width: 100%;
    max-width: 300px;
  }

  .profile-panel {
    margin-inline: auto;
  }

  .blog-card,
  .beyond-card,
  .project-card,
  .domain-card {
    min-height: auto;
  }

  .domain-grid,
  .project-grid,
  .blog-grid,
  .beyond-grid {
    grid-template-columns: 1fr;
  }

  .domain-card:nth-child(7) {
    grid-column: auto;
  }

  .timeline::before {
    left: 26px;
  }

  .timeline-item {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 14px;
    padding-left: 64px;
    margin-left: 0;
  }

  .timeline-marker span {
    position: absolute;
    left: 0;
    top: 24px;
    width: 52px;
    height: 52px;
  }

  .timeline-flow-arrow {
    margin-left: 0;
  }

  .contact-shell {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .contact-actions {
    justify-content: stretch;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 44px;
    height: 44px;
  }
}

@keyframes arrowFloat {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.72;
  }

  50% {
    transform: translateY(5px);
    opacity: 1;
  }
}

[data-theme="dark"] {
  --bg: #0B0F14;
  --surface: #131A22;
  --card: #171F29;
  --panel: rgba(23, 31, 41, 0.82);
  --text: #F5F7FA;
  --muted: #AAB4C3;
  --subtle: #7D8896;
  --accent: #D8DDE3;
  --accent-2: #B8C0CC;
  --line: #2C3642;
  --hover: #E6EBF2;
  --bg-rgb: 11, 15, 20;
  --surface-rgb: 19, 26, 34;
  --card-rgb: 23, 31, 41;
  --accent-rgb: 216, 221, 227;
  --accent-2-rgb: 184, 192, 204;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 8px;
}

[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 10%, rgba(216, 221, 227, 0.07), transparent 28rem),
    radial-gradient(circle at 86% 18%, rgba(184, 192, 204, 0.055), transparent 30rem),
    linear-gradient(180deg, #0B0F14 0%, #10161D 48%, #0B0F14 100%);
}

[data-theme="dark"] .site-header.scrolled {
  background: rgba(11, 15, 20, 0.84);
}

[data-theme="dark"] .brand-mark {
  background: linear-gradient(145deg, rgba(216, 221, 227, 0.12), rgba(23, 31, 41, 0.72));
}

[data-theme="dark"] .nav-toggle,
[data-theme="dark"] .theme-toggle {
  background: rgba(216, 221, 227, 0.04);
}

[data-theme="dark"] .hero-backdrop {
  background:
    linear-gradient(90deg, rgba(11, 15, 20, 0.98), rgba(11, 15, 20, 0.76), rgba(11, 15, 20, 0.96)),
    url("assets/linkedin-banner.png") center / cover no-repeat;
  opacity: 0.64;
  filter: grayscale(1) contrast(1.05);
}

[data-theme="dark"] .social-link {
  background: rgba(216, 221, 227, 0.05);
}

[data-theme="dark"] .social-link:hover {
  background: rgba(216, 221, 227, 0.1);
}

[data-theme="dark"] .button.primary {
  color: var(--bg);
}

[data-theme="dark"] .button.secondary {
  color: var(--text);
  background: rgba(216, 221, 227, 0.03);
}

[data-theme="dark"] .button.ghost {
  color: var(--text);
  background: rgba(216, 221, 227, 0.04);
}

[data-theme="dark"] .profile-media {
  background: linear-gradient(145deg, #D8DDE3 0%, #7D8896 48%, #171F29 100%);
}

[data-theme="dark"] .profile-media img {
  mix-blend-mode: luminosity;
  filter: grayscale(1) contrast(1.14) brightness(1.04);
  opacity: 0.94;
}

[data-theme="dark"] .value-strip span,
[data-theme="dark"] .skill-cloud span,
[data-theme="dark"] .explore-list span {
  background: rgba(216, 221, 227, 0.04);
}

[data-theme="dark"] .domain-card,
[data-theme="dark"] .project-card,
[data-theme="dark"] .blog-card,
[data-theme="dark"] .beyond-card,
[data-theme="dark"] .timeline-item {
  background: linear-gradient(180deg, rgba(216, 221, 227, 0.055), rgba(23, 31, 41, 0.82));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
}

[data-theme="dark"] .domain-card:hover,
[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .blog-card:hover,
[data-theme="dark"] .beyond-card:hover,
[data-theme="dark"] .timeline-item:hover {
  background: linear-gradient(180deg, rgba(230, 235, 242, 0.085), rgba(23, 31, 41, 0.88));
  box-shadow: 0 26px 58px rgba(0, 0, 0, 0.34);
}

[data-theme="dark"] .timeline-marker span {
  background: rgba(216, 221, 227, 0.05);
}

[data-theme="dark"] .experience,
[data-theme="dark"] .beyond {
  background:
    linear-gradient(180deg, rgba(216, 221, 227, 0.035), transparent),
    rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .visual-icons span {
  background: rgba(216, 221, 227, 0.05);
}

[data-theme="dark"] .back-to-top {
  background: rgba(19, 26, 34, 0.82);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.34);
}

[data-theme="dark"] .back-to-top:hover {
  background: rgba(216, 221, 227, 0.12);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}