* {
  box-sizing: border-box;
}

:root {
  --bg: #f5f1ea;
  --bg-soft: rgba(255, 255, 255, 0.76);
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #526075;
  --border: rgba(15, 23, 42, 0.1);
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 28%),
    radial-gradient(circle at 85% 14%, rgba(245, 158, 11, 0.14), transparent 24%),
    linear-gradient(180deg, #fbf8f3 0%, var(--bg) 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.22;
}

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

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

::selection {
  background: rgba(15, 118, 110, 0.18);
  color: var(--text);
}

.container {
  width: min(1140px, calc(100% - 2rem));
  margin: 0 auto;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.7;
}

.orb--one {
  width: 22rem;
  height: 22rem;
  top: -7rem;
  left: -7rem;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.24), transparent 70%);
}

.orb--two {
  width: 18rem;
  height: 18rem;
  top: 8rem;
  right: -4rem;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18), transparent 70%);
}

.orb--three {
  width: 20rem;
  height: 20rem;
  bottom: -7rem;
  right: 18%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.16), transparent 70%);
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(245, 241, 234, 0.8);
  backdrop-filter: blur(18px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}

.nav a {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent);
  background: rgba(15, 118, 110, 0.08);
  transform: translateY(-1px);
}

.header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.1rem;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.16);
}

.header__cta:hover,
.header__cta:focus-visible {
  transform: translateY(-1px);
  background: var(--accent-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding: 5rem 0 4rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1,
.section__header h2,
.project h3,
.contact-card h3 {
  margin: 0;
  font-family: "Space Grotesk", Arial, sans-serif;
  letter-spacing: -0.02em;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 0.97;
}

.lead {
  max-width: 62ch;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.85;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3.1rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

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

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 18px 35px rgba(15, 118, 110, 0.22);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-strong);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--border);
  color: var(--text);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  border-color: rgba(15, 118, 110, 0.18);
  background: #fff;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.stat {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.stat strong {
  display: block;
  font-size: 1.15rem;
}

.stat span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.95rem;
}

.portrait-card {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.78));
  box-shadow: var(--shadow);
}

.portrait-card::after {
  content: "";
  position: absolute;
  inset: auto -4rem -4rem auto;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.2), transparent 65%);
}

.portrait-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: 1.5rem;
}

.portrait-card__badge {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.84);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  z-index: 1;
}

.section {
  padding: 1rem 0 0;
}

.section__header {
  max-width: 58rem;
  margin-bottom: 1.25rem;
}

.section__header h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  line-height: 1.1;
}

.section__header p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  line-height: 1.75;
}

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

.panel,
.project,
.cert,
.contact-card {
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.5rem;
}

.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.panel p + p {
  margin-top: 1rem;
}

.panel--accent {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78));
}

.panel h3 {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: 1.25rem;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--text);
  line-height: 1.6;
}

.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #22c55e);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.chip:hover,
.chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.18);
  background: #fff;
}

.chip--link {
  color: var(--accent);
}

.github-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.github-stats__card {
  display: block;
  overflow: hidden;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, border-color 180ms ease;
}

.github-stats__card:hover,
.github-stats__card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.18);
}

.github-stats__card img {
  width: 100%;
  border-radius: 1rem;
}

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

.project {
  padding: 1.5rem;
}

.project__tag {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.project h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.project p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.project a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.project a:hover,
.project a:focus-visible {
  color: var(--accent-strong);
}

.certs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.cert-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: linear-gradient(135deg, var(--surface), rgba(0, 120, 212, 0.08));
  box-shadow: var(--shadow);
}

.cert-featured__media img {
  display: block;
  width: 100%;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.cert-featured__body {
  padding: 0.5rem 1rem 0.5rem 0;
}

.cert-featured__body h3 {
  margin: 0;
  font-family: "Space Grotesk", Arial, sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.1;
}

.cert-featured__body p:not(.cert__label) {
  color: var(--muted);
  line-height: 1.7;
}

.cert__label {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cert__link {
  display: block;
  margin-top: 0.65rem;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.cert__link:hover,
.cert__link:focus-visible {
  color: var(--accent-strong);
}

.cert--linked figcaption {
  display: grid;
  gap: 0.25rem;
  text-align: left;
}

.cert--linked figcaption strong {
  line-height: 1.35;
}

.certs__subheading {
  margin: 2rem 0 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cert {
  margin: 0;
  overflow: hidden;
  padding: 1rem;
}

.cert img {
  width: 100%;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.cert figcaption {
  margin-top: 0.8rem;
  color: var(--text);
  font-weight: 700;
  text-align: center;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
}

.contact-card h3 {
  font-size: 1.35rem;
}

.contact-card p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.footer {
  padding: 2rem 0 3rem;
}

.footer__inner {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}

:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.25);
  outline-offset: 3px;
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero h1 {
    max-width: 14ch;
  }

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

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

@media (max-width: 760px) {
  .header__inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .header__cta {
    margin-left: auto;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero h1 {
    max-width: none;
  }

  .stats,
  .github-stats,
  .grid-2,
  .projects,
  .cert-featured,
  .certs,
  .contact-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(1140px, calc(100% - 1.25rem));
  }

  .hero {
    padding-top: 3rem;
  }

  .actions,
  .contact-links {
    gap: 0.7rem;
  }

  .btn,
  .chip {
    width: 100%;
  }

  .header__cta {
    width: 100%;
    margin-left: 0;
  }

  .nav a {
    padding-inline: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}