:root {
  --bg: #0f172a;
  --bg-elevated: rgba(15, 23, 42, 0.82);
  --surface: rgba(17, 24, 39, 0.92);
  --surface-strong: #111827;
  --surface-soft: rgba(30, 41, 59, 0.72);
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(96, 165, 250, 0.25);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-soft: #60a5fa;
  --accent-ink: #dbeafe;
  --shadow: 0 22px 60px rgba(2, 6, 23, 0.42);
  --shadow-soft: 0 14px 30px rgba(2, 6, 23, 0.24);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 32px;
  --space-4: 64px;
  --space-5: 96px;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  font-family: var(--font-body);
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.12), transparent 24%),
    linear-gradient(180deg, #0b1224 0%, #0f172a 45%, #0b1120 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), transparent 85%);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 1001;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  transition: top 180ms ease;
}

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

:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.9);
  outline-offset: 3px;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section-shell {
  padding: 96px 0 0;
}

.section {
  padding: 96px 0 0;
}

.section--alt {
  padding-bottom: 0;
}

.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: rgba(8, 15, 32, 0.72);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.nav-container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 80px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.95), rgba(96, 165, 250, 0.78));
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-soft);
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-link {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(59, 130, 246, 0.16);
}

.nav-cta {
  padding: 11px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #fff;
  box-shadow: var(--shadow-soft);
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 35px rgba(59, 130, 246, 0.24);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  padding-top: 68px;
}

.hero__inner {
  position: relative;
  padding: 64px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.86));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.22), transparent 34%), radial-gradient(circle at bottom left, rgba(96, 165, 250, 0.12), transparent 30%);
  pointer-events: none;
}

.hero__inner > * {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-ink);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: '';
  width: 36px;
  height: 1px;
  background: rgba(96, 165, 250, 0.7);
}

h1,
h2,
h3,
.brand-text {
  font-family: var(--font-heading);
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(3.4rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  max-width: 10ch;
}

.hero__role {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--text);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.hero__value {
  margin-top: 14px;
  max-width: 52ch;
  color: var(--muted);
  font-size: 1rem;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #fff;
  box-shadow: 0 18px 32px rgba(59, 130, 246, 0.22);
}

.btn--secondary {
  background: rgba(15, 23, 42, 0.34);
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.22);
}

.btn--small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.95rem;
}

.hero__snapshot {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.snapshot-card {
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.42);
}

.snapshot-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.snapshot-card strong {
  font-size: 0.98rem;
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  margin-bottom: 14px;
}

.section-lead {
  color: var(--muted);
  font-size: 1rem;
  max-width: 62ch;
}

.project-grid,
.skill-grid,
.experience-list,
.contact-grid {
  display: grid;
  gap: 20px;
}

.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card,
.skill-card,
.experience-card,
.contact-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

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

.project-card {
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.36);
}

.project-card--featured {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.92), rgba(17, 24, 39, 0.92));
}

.project-kicker {
  color: var(--accent-ink);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  margin-bottom: 10px;
}

.project-card h3,
.skill-card h3,
.experience-card h3 {
  font-size: 1.35rem;
  line-height: 1.15;
}

.project-summary,
.skill-card p,
.experience-meta,
.contact-label {
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.11);
  border: 1px solid rgba(96, 165, 250, 0.14);
  color: var(--accent-ink);
  font-size: 0.85rem;
}

.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.skill-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.skill-card {
  padding: 22px;
  min-height: 176px;
  display: grid;
  gap: 10px;
  align-content: start;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.9));
}

.skill-card i {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(59, 130, 246, 0.14);
  color: var(--accent-soft);
  font-size: 1.1rem;
}

.experience-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.merit-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.9));
  box-shadow: var(--shadow-soft);
}

.merit-content {
  display: grid;
  gap: 22px;
}

.merit-content p {
  color: var(--muted);
  max-width: 62ch;
}

.merit-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.merit-badge-item {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.merit-badge-count {
  color: var(--accent-ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.merit-badge {
  width: 100%;
  object-fit: contain;
  max-width: 96px;
  justify-self: center;
  aspect-ratio: auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.experience-card__header {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.experience-logo {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.experience-points {
  display: grid;
  gap: 12px;
  margin-left: 18px;
  color: var(--text);
}

.experience-points li::marker {
  color: var(--accent-soft);
}

.contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-card {
  padding: 22px;
  display: grid;
  gap: 8px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.contact-card--link:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 34px rgba(2, 6, 23, 0.28);
}

.contact-card strong {
  font-size: 1.05rem;
}

.footer {
  padding: 64px 0 36px;
}

.footer__inner {
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  color: var(--muted);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .nav-cta {
    display: none;
  }

  .project-grid,
  .skill-grid,
  .experience-list,
  .merit-badges,
  .hero__snapshot {
    grid-template-columns: 1fr;
  }

  .merit-badge-item {
    justify-items: start;
  }

  .hero__inner {
    padding: 48px 24px;
  }
}

@media (max-width: 760px) {
  .nav-container {
    min-height: 72px;
    justify-content: space-between;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 8px;
    padding: 16px;
    border-radius: 22px;
    background: rgba(8, 15, 32, 0.96);
    border: 1px solid rgba(148, 163, 184, 0.14);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
    margin-left: 0;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 44px;
  }

  .section,
  .section-shell {
    padding-top: 72px;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 16vw, 4.2rem);
  }

  .project-card,
  .experience-card,
  .merit-card,
  .skill-card,
  .contact-card {
    padding: 20px;
  }
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}