:root {
  --bg: #05060d;
  --bg-2: #090b17;
  --surface: rgba(16, 21, 39, 0.82);
  --surface-strong: rgba(19, 25, 47, 0.95);
  --surface-alt: rgba(11, 17, 31, 0.92);
  --text: #f8faff;
  --muted: #b7c3df;
  --primary: #6ea8ff;
  --primary-2: #3b82f6;
  --accent: #67e8f9;
  --border: rgba(150, 176, 230, 0.28);
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.45);
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -10%, rgba(103, 232, 249, 0.18), transparent 40%),
    radial-gradient(circle at 95% 15%, rgba(59, 130, 246, 0.16), transparent 30%),
    radial-gradient(circle at 50% 105%, rgba(78, 116, 255, 0.12), transparent 36%),
    linear-gradient(150deg, var(--bg) 0%, var(--bg-2) 52%, #04050b 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 80%);
  opacity: 0.45;
}

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

.container {
  width: min(var(--max-width), 92%);
  margin-inline: auto;
}

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, #0a1020 82%, transparent);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.32);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 0;
}

.brand {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.94rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--text);
  transform: translateY(-1px);
}

.hero {
  padding: 5.4rem 0 4.1rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.35fr 1fr;
  align-items: start;
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}

.about-media img {
  width: min(100%, 17.5rem);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  font-size: 0.82rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin: 0 0 1rem;
  text-wrap: balance;
}

h2 {
  margin-top: 0;
}

.lead {
  color: var(--muted);
  max-width: 64ch;
}

.hero-card,
.card,
.portfolio-item {
  background: linear-gradient(165deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover,
.card:focus-within,
.hero-card:hover,
.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.5);
  border-color: rgba(159, 221, 255, 0.5);
}

.hero-card ul,
.card ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
}

.skill-icon {
  font-size: 1.5rem;
  display: inline-block;
  margin-bottom: 0.2rem;
}

.section {
  padding: 3.35rem 0;
}

.alt-bg {
  background: linear-gradient(180deg, rgba(8, 12, 25, 0.78), rgba(6, 10, 22, 0.9));
  border-block: 1px solid var(--border);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.cta-group {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  margin-top: 0.9rem;
  border: 0;
  border-radius: 11px;
  padding: 0.72rem 1.15rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(66, 116, 255, 0.4);
  filter: brightness(1.06);
}

.btn-subtle {
  background: linear-gradient(160deg, rgba(20, 33, 61, 0.9), rgba(16, 22, 45, 0.9));
  color: #e4ebff;
  border: 1px solid rgba(111, 150, 236, 0.5);
}

.portfolio-ref {
  text-align: left;
}

.portfolio-hero {
  padding-bottom: 2.5rem;
}

.portfolio-item img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.lightbox-trigger {
  border: 0;
  background: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  position: relative;
  width: 100%;
  text-align: left;
}

.overlay {
  position: absolute;
  inset: auto 0 0;
  background: linear-gradient(180deg, transparent, rgba(8, 12, 26, 0.95));
  color: #f8fbff;
  padding: 1rem;
  border-radius: 0 0 10px 10px;
  opacity: 0;
  transition: opacity 0.2s ease;
  font-size: 0.94rem;
}

.lightbox-trigger:hover .overlay,
.lightbox-trigger:focus-visible .overlay {
  opacity: 1;
}

.contact-form {
  display: grid;
  gap: 0.5rem;
  max-width: 620px;
}

.contact-form label {
  font-weight: 600;
  margin-top: 0.55rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(107, 148, 235, 0.45);
  background: rgba(8, 13, 28, 0.9);
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem;
  font: inherit;
}

.form-message {
  min-height: 1.3rem;
  margin: 0;
  color: #c8d6ff;
  font-weight: 600;
}

.form-message[data-state='success'] {
  color: #92d8ff;
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lightbox {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  width: min(780px, 92%);
  background: var(--surface-alt);
  color: var(--text);
}

.lightbox::backdrop {
  background: rgba(2, 5, 14, 0.8);
}

.lightbox img {
  width: 100%;
  border-radius: 10px;
}

.lightbox-close {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  margin-left: auto;
  display: block;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding: 1.25rem 0;
  background: rgba(7, 10, 20, 0.9);
}

@media (max-width: 860px) {
  .hero-grid,
  .cards,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 0.7rem;
    font-size: 0.95rem;
    flex-wrap: wrap;
  }

  .about-media {
    display: flex;
    justify-content: center;
  }

  .about-media img {
    width: min(40vw, 11rem);
    max-width: 40vw;
  }
}

@media (max-width: 680px) {
  html {
    font-size: 15px;
  }

  .hero {
    padding: 4rem 0 2.8rem;
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .nav-links {
    width: 100%;
    gap: 0.5rem 0.9rem;
  }

  .cta-group {
    width: 100%;
  }

  .cta-group .btn {
    margin-top: 0.6rem;
    flex: 1 1 12rem;
    text-align: center;
  }

  .section {
    padding: 2.6rem 0;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: clamp(1.7rem, 7vw, 2.1rem);
  }

  h2 {
    font-size: clamp(1.35rem, 5.8vw, 1.7rem);
  }

  .lead,
  p,
  li,
  a,
  button,
  input,
  textarea {
    font-size: 0.98rem;
  }

  .about-media img {
    width: min(40vw, 9rem);
  }
}