:root {
  --bg: #f5f6f7;
  --bg-strong: #e9edf2;
  --surface: #ffffff;
  --surface-alt: #eef3f8;
  --surface-strong: #dfe8f4;
  --text: #111827;
  --text-soft: #4b5563;
  --line: rgba(17, 24, 39, 0.12);
  --shadow: rgba(15, 23, 42, 0.12);
  --accent: #2d6df6;
  --accent-soft: rgba(45, 109, 246, 0.12);
  --accent-strong: #174bbd;
  --success: #0f766e;
  --button-text: #ffffff;
}

:root[data-theme='dark'] {
  --bg: #0d1117;
  --bg-strong: #121a26;
  --surface: #121a26;
  --surface-alt: #1a2433;
  --surface-strong: #1f2c3f;
  --text: #e5ebf4;
  --text-soft: #b9c2ce;
  --line: rgba(148, 163, 184, 0.2);
  --shadow: rgba(2, 6, 23, 0.45);
  --accent: #5aa1ff;
  --accent-soft: rgba(90, 161, 255, 0.14);
  --accent-strong: #9bc5ff;
  --success: #73d2c4;
  --button-text: #0d1117;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--surface);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  box-shadow: 0 10px 30px var(--shadow);
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.8rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--text-soft);
  flex-wrap: wrap;
}

.main-nav a {
  position: relative;
  padding-bottom: 0.15rem;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.button,
.button--secondary,
.theme-toggle {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button,
.button--secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  min-height: 46px;
}

.button {
  background: var(--accent);
  color: var(--button-text);
  box-shadow: 0 14px 28px rgba(45, 109, 246, 0.25);
}

.button--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.button:hover,
.button--secondary:hover,
.theme-toggle:hover {
  transform: translateY(-1px);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

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

h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  margin-bottom: 0.8rem;
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.05em;
  margin-bottom: 1rem;
}

.hero h2 {
  font-size: clamp(1.4rem, 2vw, 2rem);
  color: var(--text-soft);
  margin-bottom: 1.1rem;
}

.lede {
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 1.07rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1.25rem;
}

.quick-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  margin: 1rem 0 0;
  color: var(--text-soft);
}

.quick-facts li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
}

.portrait {
  display: flex;
  justify-content: center;
}

.portrait__frame {
  width: min(100%, 430px);
  aspect-ratio: 1 / 1.1;
  border-radius: 2rem;
  background: linear-gradient(135deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px var(--shadow);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.portrait__frame::before {
  content: '';
  position: absolute;
  inset: 1rem;
  border-radius: 1.5rem;
  border: 1px solid var(--line);
}

.portrait__frame span {
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.08em;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 2rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
}

.about-grid p {
  color: var(--text-soft);
  font-size: 1.02rem;
}

.mini-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
  box-shadow: 0 12px 30px var(--shadow);
}

.mini-card__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
}

.mini-card__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.label {
  color: var(--text-soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.skills-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  border-radius: 1.25rem;
  padding: 1.5rem;
}

.card--muted {
  background: var(--surface-alt);
}

.card h3 {
  margin-bottom: 0.9rem;
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding: 0;
  margin: 0;
}

.tag-list li {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.experience-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  padding: 1.5rem;
  box-shadow: 0 18px 40px var(--shadow);
}

.experience-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.experience-role {
  color: var(--text-soft);
  margin-bottom: 0;
}

.experience-dates {
  color: var(--accent-strong);
  font-weight: 600;
}

.experience-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
}

.experience-list li + li {
  margin-top: 0.7rem;
}

.card__eyebrow {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--text-soft);
  font-size: 0.84rem;
  margin-top: 1rem;
}

.card__meta span {
  background: var(--surface-alt);
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
}

.card p {
  color: var(--text-soft);
}

.media-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 180px;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--surface-strong), var(--surface-alt));
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.contact-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-weight: 600;
}

.contact-list a {
  color: var(--accent-strong);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 1.5rem 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-soft);
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .skills-grid,
  .card-grid,
  .card-grid--two,
  .contact-wrap {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero {
    padding-top: 4rem;
  }

  .contact-wrap {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .nav-wrap {
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.8rem 0;
  }

  .main-nav {
    justify-content: center;
  }

  .nav-actions {
    width: 100%;
    justify-content: center;
  }

  .button-row {
    flex-direction: column;
  }

  .button,
  .button--secondary {
    width: 100%;
  }

  .footer-wrap {
    flex-direction: column;
    text-align: center;
  }
}