:root {
  --bg: #030816;
  --bg-alt: #081126;
  --surface: rgba(12, 20, 38, 0.82);
  --surface-solid: #101a33;
  --surface-muted: rgba(15, 23, 42, 0.55);
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(56, 189, 248, 0.35);
  --text: #e2e8f0;
  --text-strong: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #f97316;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --shadow-primary: 0 24px 60px -30px rgba(56, 189, 248, 0.75);
  --shadow-lift: 0 28px 65px -40px rgba(6, 182, 212, 0.65);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --transition: 220ms ease;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: min(1180px, calc(100vw - 64px));
  --space-2xs: clamp(0.35rem, 0.9vw, 0.55rem);
  --space-xs: clamp(0.55rem, 1.2vw, 0.85rem);
  --space-sm: clamp(0.85rem, 1.8vw, 1.25rem);
  --space-md: clamp(1.2rem, 2.6vw, 1.85rem);
  --space-lg: clamp(1.65rem, 3.4vw, 2.6rem);
  --space-xl: clamp(2.1rem, 4.5vw, 3.2rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 55%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(circle at 88% 12%, rgba(249, 115, 22, 0.18), transparent 58%),
    linear-gradient(140deg, var(--bg) 0%, var(--bg-alt) 60%, #020510 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

a:hover,
a:focus {
  color: var(--accent);
}

p {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

h1,
h2,
h3,
h4 {
  color: var(--text-strong);
  margin: 0 0 0.6rem;
  line-height: 1.18;
}

h1 {
  font-size: clamp(2.65rem, 5vw, 3.75rem);
}

h2 {
  font-size: clamp(2rem, 3.6vw, 2.8rem);
}

h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.page::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 120%, rgba(56, 189, 248, 0.1), transparent 55%);
  z-index: -1;
}

main {
  flex: 1 1 auto;
}

.container {
  width: var(--max-width);
  margin: 0 auto;
}

section.section {
  padding: clamp(3rem, 6vw, 6rem) 0;
}

.section__intro {
  max-width: 680px;
  margin-bottom: var(--space-lg);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.section__description {
  color: var(--muted);
  font-size: 1.05rem;
}

.surface {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-primary);
  backdrop-filter: blur(18px);
}

.surface--subtle {
  background: var(--surface-muted);
  border: 1px solid rgba(148, 163, 184, 0.12);
  box-shadow: none;
}

.surface--flat {
  background: var(--surface-solid);
  border-color: var(--border-strong);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: 0;
  align-items: center;
  row-gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.92rem;
  padding: 0.45rem 1rem;
  line-height: 1;
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.45);
  color: var(--text);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.chip i {
  margin-right: 0.5rem;
  font-size: 1rem;
  color: inherit;
}

.chip:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.12);
}

.chip-row + .btn-row {
  margin-top: var(--space-lg);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2.4rem;
}

.btn {
  inline-size: fit-content;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1;
}

.btn--primary {
  background: linear-gradient(120deg, rgba(56, 189, 248, 0.22), rgba(56, 189, 248, 0.72));
  border-color: rgba(56, 189, 248, 0.5);
  color: var(--text-strong);
  box-shadow: 0 14px 35px -16px rgba(56, 189, 248, 0.75);
}

.btn--ghost {
  background: rgba(15, 23, 42, 0.55);
  border-color: rgba(148, 163, 184, 0.32);
  color: var(--text);
}

.btn--primary:hover,
.btn--primary:focus {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.btn--ghost:hover,
.btn--ghost:focus {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

.btn svg {
  width: 1.1rem;
  height: 1.1rem;
}

.hero {
  padding-top: clamp(4rem, 10vw, 8rem);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 2rem 0 auto;
  height: 320px;
  background: radial-gradient(circle at 30% 40%, rgba(56, 189, 248, 0.18), transparent 65%);
  z-index: -1;
  filter: blur(30px);
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.hero__headline {
  margin-bottom: var(--space-md);
}

.hero__eyebrow {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero__headline h1 {
  margin-bottom: var(--space-xs);
}

.hero__lead {
  color: rgba(226, 232, 240, 0.9);
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.hero__image {
  justify-self: center;
  position: relative;
}

.hero__image::after {
  content: '';
  position: absolute;
  inset: -12% -10%;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.4), rgba(56, 189, 248, 0));
  filter: blur(40px);
  z-index: -2;
}

.portrait {
  position: relative;
  padding: 0.8rem;
  border-radius: 32px;
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.35), rgba(15, 23, 42, 0.6));
  border: 1px solid rgba(56, 189, 248, 0.18);
  box-shadow: 0 18px 55px -30px rgba(56, 189, 248, 0.75);
}

.portrait img {
  border-radius: 24px;
}

.hero__stats {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
}

.stat {
  border-radius: var(--radius-md);
  padding: calc(var(--space-md) + 0.3rem) var(--space-md);
  background: rgba(12, 20, 38, 0.66);
  border: 1px solid rgba(148, 163, 184, 0.14);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.stat::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat:hover::after {
  opacity: 1;
}

.stat__label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.stat__value {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: var(--space-2xs);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-xl);
}

.card {
  position: relative;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: linear-gradient(150deg, rgba(12, 20, 38, 0.82), rgba(12, 20, 38, 0.55));
  overflow: hidden;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 18%, rgba(56, 189, 248, 0.24), transparent 58%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: var(--shadow-lift);
}

.card:hover::after {
  opacity: 1;
}

.card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}
.card__icon i {
  font-size: 1.2rem;
  color: inherit;
}

.card__title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-strong);
}

.card__bullets {
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
  color: var(--muted);
}

.card__bullets li {
  position: relative;
  padding-left: 1.15rem;
}

.card__bullets li::before {
  content: '';
  position: absolute;
  top: 0.65rem;
  left: 0.3rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.6);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1);
}

.card__meta {
  font-size: 0.92rem;
  color: var(--muted);
  margin-top: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.project-card__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.project-card__image img {
  display: block;
  width: 100%;
  height: auto;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-xs) 0;
}

.tag {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.32);
  background: rgba(56, 189, 248, 0.12);
  color: var(--text);
}

.project-card__footer {
  margin-top: auto;
  padding-top: var(--space-sm);
}

.project-card__footer a {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.project-card__footer a:hover {
  gap: 0.75rem;
}

.timeline {
  position: relative;
  padding-left: clamp(0rem, 8vw, 3rem);
  margin-top: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: clamp(-1.6rem, -4vw, -1.2rem);
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(to bottom, rgba(56, 189, 248, 0.1) 0%, rgba(56, 189, 248, 0.55) 50%, rgba(56, 189, 248, 0.1) 100%);
}

.timeline__item {
  position: relative;
  padding: 0 0 var(--space-xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: clamp(-1.95rem, -4.3vw, -1.6rem);
  top: 0.3rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  border: 2px solid rgba(56, 189, 248, 0.6);
  background: #050b19;
  box-shadow: 0 0 0 6px rgba(56, 189, 248, 0.08);
}

.timeline__role {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.timeline__meta {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.timeline__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.timeline__bullets {
  color: var(--muted);
}

.timeline__bullets li {
  margin-bottom: var(--space-xs);
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.badge {
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(12, 20, 38, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.18);
  color: var(--text);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.badge svg {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
  color: var(--muted);
}

.feature-list li {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(12, 20, 38, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.cta {
  text-align: center;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(56, 189, 248, 0.24);
  background: linear-gradient(140deg, rgba(56, 189, 248, 0.15), rgba(8, 17, 38, 0.9));
  backdrop-filter: blur(16px);
  box-shadow: 0 22px 55px -30px rgba(56, 189, 248, 0.65);
}

.cta h2 {
  margin-bottom: var(--space-sm);
}

.cta p {
  margin: 0 auto var(--space-md);
  max-width: 620px;
  color: rgba(226, 232, 240, 0.92);
  font-size: 1.05rem;
}

footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(8, 17, 38, 0.55);
  backdrop-filter: blur(16px);
}

.footer__inner {
  width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  align-items: center;
}

.social {
  display: inline-flex;
  gap: var(--space-sm);
}

.social a {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 20, 38, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.18);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.social a:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.16);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 1.1rem 0;
  background: rgba(3, 8, 22, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.site-header__inner {
  width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
  color: var(--text-strong);
}

.brand span {
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav a {
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.nav-cta {
  margin-left: auto;
}

.menu-toggle {
  display: none;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.32);
  color: var(--accent);
  border-radius: 12px;
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  transition: transform var(--transition);
}

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

.menu-toggle svg {
  width: 1.35rem;
  height: 1.35rem;
}

.page-intro {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.page-intro p {
  margin: var(--space-sm) auto 0;
  color: rgba(226, 232, 240, 0.9);
}

.mosaic {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.mosaic__item {
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: rgba(12, 20, 38, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.2);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mosaic__item img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hobby__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.cert-card {
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  background: rgba(12, 20, 38, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.18);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  position: relative;
  overflow: hidden;
}

.cert-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 18%, rgba(56, 189, 248, 0.2), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.cert-card:hover::after {
  opacity: 1;
}

.cert-card__provider {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.cert-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-strong);
}

.cert-card__meta {
  font-size: 0.95rem;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.pill {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  padding: var(--space-2xs) var(--space-sm);
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.32);
  color: var(--accent);
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.list-grid ul {
  background: rgba(12, 20, 38, 0.5);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  color: var(--muted);
  line-height: 1.55;
}

blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-sm) var(--space-md);
  border-left: 3px solid rgba(56, 189, 248, 0.5);
  background: rgba(12, 20, 38, 0.45);
  color: rgba(226, 232, 240, 0.9);
  border-radius: 0 18px 18px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(12, 20, 38, 0.58);
}

table th,
table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--muted);
}

table th {
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
}

@media (max-width: 1080px) {
  :root {
    --max-width: min(980px, calc(100vw - 48px));
  }
}

@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__stats {
    margin-top: 2rem;
  }

  .hero__image {
    order: -1;
  }

  .chip-row,
  .btn-row {
    justify-content: center;
  }

  .timeline {
    padding-left: 2.2rem;
  }

  .timeline::before {
    left: 0;
  }

  .timeline__item::before {
    left: -0.45rem;
  }

  .site-nav {
    position: fixed;
    inset: 0 0 auto;
    top: 70px;
    background: rgba(3, 8, 22, 0.98);
    flex-direction: column;
    padding: 1.6rem;
    align-items: flex-start;
    gap: 1.2rem;
    transform: translateY(-120%);
    transition: transform 240ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

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

  .nav-cta {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  :root {
    --max-width: calc(100vw - 32px);
  }

  h1 {
    font-size: clamp(2.2rem, 8vw, 2.6rem);
  }

  .section.section {
    padding: clamp(2.4rem, 8vw, 3rem) 0;
  }

  .stat {
    padding: calc(var(--space-sm) + 0.2rem) var(--space-sm);
  }

  .feature-list li {
    padding: var(--space-xs) var(--space-sm);
  }

  footer {
    text-align: center;
  }

  .footer__inner {
    justify-content: center;
  }
}

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