:root {
  color-scheme: light;
  --bg: #f6f7f8;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #111827;
  --muted: #5f6b7a;
  --line: rgba(17, 24, 39, 0.08);
  --line-strong: rgba(17, 24, 39, 0.14);
  --accent: #0f4c81;
  --accent-soft: rgba(15, 76, 129, 0.08);
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 76, 129, 0.08), transparent 28%),
    radial-gradient(circle at 90% 10%, rgba(31, 41, 55, 0.05), transparent 22%),
    linear-gradient(180deg, #fbfbfc 0%, #f4f6f8 100%);
  font-family: "Manrope", system-ui, sans-serif;
  overflow-x: hidden;
}

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

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

.page-backdrop {
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  filter: blur(64px);
  opacity: 0.6;
}

.page-backdrop-a {
  top: -110px;
  left: -90px;
  width: 280px;
  height: 280px;
  background: rgba(15, 76, 129, 0.12);
}

.page-backdrop-b {
  right: -100px;
  top: 260px;
  width: 320px;
  height: 320px;
  background: rgba(56, 189, 248, 0.08);
}

.site-header,
.page-shell,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 18px auto 0;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  position: sticky;
  top: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(15, 76, 129, 0.12), rgba(15, 76, 129, 0.04));
  border: 1px solid rgba(15, 76, 129, 0.12);
  color: var(--accent);
  font-family: "Sora", sans-serif;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong,
.site-nav a.nav-cta,
.hero h1,
.section h2,
.profile-card h2,
.project-meta h3,
.skill-card h3,
.credential-card h3,
.timeline-item h3,
.contact-card h2 {
  font-family: "Sora", sans-serif;
}

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

.brand-copy span,
.card-label,
.eyebrow,
.site-footer p:last-child,
.timeline-date,
.muted {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(17, 24, 39, 0.04);
  transform: translateY(-1px);
}

.site-nav .nav-cta {
  color: var(--accent);
  background: var(--accent-soft);
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.section {
  margin-top: 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: stretch;
  margin-top: 16px;
}

.hero-copy,
.hero-aside,
.project-card,
.skill-card,
.credential-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 44px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.82)),
    radial-gradient(circle at top right, rgba(15, 76, 129, 0.05), transparent 36%);
}

.eyebrow {
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 800;
}

.hero h1,
.section h2,
.profile-card h2,
.contact-card h2 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 6.7vw, 5.8rem);
}

.hero-text,
.profile-card p,
.section-heading h2,
.project-card p,
.skill-card p,
.credential-card p,
.timeline-item p,
.contact-card p {
  line-height: 1.75;
}

.hero-text {
  max-width: 64ch;
  margin: 20px 0 0;
  font-size: 1.06rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

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

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

.hero-stats {
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-stats div {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(17, 24, 39, 0.02);
  border: 1px solid rgba(17, 24, 39, 0.06);
}

.hero-stats dt {
  font-family: "Sora", sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text);
}

.hero-stats dd {
  margin: 6px 0 0;
  color: var(--muted);
}

.hero-aside {
  padding: 20px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.profile-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(17, 24, 39, 0.06);
}

.profile-card-soft {
  background:
    linear-gradient(180deg, rgba(15, 76, 129, 0.05), rgba(255, 255, 255, 0.82)),
    rgba(255, 255, 255, 0.9);
}

.profile-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.profile-card p {
  margin: 0;
  color: var(--muted);
}

.card-label {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 800;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-grid span,
.tag-row span {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(17, 24, 39, 0.02);
  font-size: 0.92rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.project-grid,
.skill-grid,
.credential-grid,
.contact-links {
  display: grid;
  gap: 18px;
}

.project-grid {
  grid-template-columns: 1.15fr 0.85fr;
}

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

.credential-grid {
  grid-template-columns: 1.2fr 1fr 0.8fr;
}

.project-card,
.skill-card,
.credential-card,
.contact-card {
  padding: 28px;
}

.project-card,
.skill-card,
.credential-card {
  position: relative;
  overflow: hidden;
}

.project-card::before,
.skill-card::before,
.credential-card::before,
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.05), transparent 45%);
  pointer-events: none;
}

.project-meta {
  display: grid;
  gap: 10px;
}

.project-meta h3 {
  margin: 0;
  font-size: 1.7rem;
}

.project-meta a {
  color: var(--accent);
  font-weight: 700;
}

.project-card p,
.skill-card p,
.credential-card p,
.timeline-item p,
.contact-card p {
  margin: 0;
  color: var(--muted);
}

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

.project-card-large {
  min-height: 100%;
}

.skill-card {
  display: grid;
  gap: 12px;
}

.skill-card h3,
.credential-card h3,
.timeline-item h3 {
  margin: 0;
  font-size: 1.15rem;
}

.credential-card-wide {
  grid-row: span 2;
}

.list,
.mini-list {
  margin: 16px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.list {
  color: var(--text);
}

.mini-list {
  color: var(--muted);
}

.inline-link {
  display: inline-flex;
  margin-top: 18px;
  font-weight: 700;
  color: var(--accent);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: start;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.timeline-date {
  margin-top: 3px;
  font-size: 0.88rem;
  font-weight: 700;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: start;
}

.contact-card h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

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

.contact-link {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(255, 255, 255, 0.86);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.contact-link span {
  color: var(--muted);
  font-size: 0.94rem;
}

.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(15, 76, 129, 0.24);
  background: rgba(15, 76, 129, 0.04);
}

.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto 26px;
  padding: 4px 4px 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

:focus-visible {
  outline: 2px solid rgba(15, 76, 129, 0.38);
  outline-offset: 3px;
}

@media (max-width: 1100px) {
  .hero,
  .project-grid,
  .credential-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

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

  .credential-card-wide {
    grid-column: span 1;
    grid-row: auto;
  }
}

@media (max-width: 900px) {
  .site-header {
    border-radius: 28px;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero-copy,
  .hero-aside,
  .project-card,
  .skill-card,
  .credential-card,
  .contact-card {
    padding: 22px;
  }

  .hero h1 {
    max-width: 100%;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding-top: 18px;
  }

  .hero-copy {
    padding-top: 28px;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 11vw, 4.2rem);
  }

  .section-heading h2,
  .contact-card h2,
  .profile-card h2 {
    font-size: clamp(1.8rem, 8vw, 2.7rem);
  }

  .project-meta h3 {
    font-size: 1.45rem;
  }

  .skill-grid {
    grid-template-columns: 1fr;
  }
}