:root {
  --bg: #08111f;
  --panel: #0f1b2d;
  --panel-border: #1d314d;
  --text: #e5edf7;
  --muted: #98a8bd;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --shadow: rgba(8, 17, 31, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top, #12233c 0%, transparent 35%),
    linear-gradient(180deg, #09111d 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.site-nav {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.site-nav a,
.site-nav a:visited,
.contact-list a,
.contact-list a:visited {
  color: var(--accent);
  text-decoration: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: rgba(15, 27, 45, 0.6);
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.site-nav a:hover,
.contact-list a:hover {
  color: #b8ecff;
}

.site-nav a:hover {
  background: rgba(23, 40, 65, 0.95);
  border-color: rgba(125, 211, 252, 0.35);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(8, 17, 31, 0.18);
}

.site-nav a:active {
  transform: translateY(0);
}

header {
  margin-bottom: 2.5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 1.5rem;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  margin-bottom: 0.35rem;
}

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.intro {
  max-width: 60ch;
  margin: 0;
}

.hero-photo {
  margin: 0;
  justify-self: end;
}

.hero-photo img {
  display: block;
  width: 220px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(125, 211, 252, 0.18);
  box-shadow: 0 18px 40px var(--shadow);
  background: linear-gradient(135deg, rgba(29, 49, 77, 0.85), rgba(15, 27, 45, 0.95));
}

section {
  margin-bottom: 2rem;
}

.card {
  background: rgba(15, 27, 45, 0.88);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 18px 40px var(--shadow);
}

h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
}

ul {
  padding-left: 1.2rem;
}

.project-item {
  margin-bottom: 1rem;
}

.project-item p {
  margin-top: 0;
}

.contact-list {
  margin: 0;
}

li {
  margin-bottom: 0.4rem;
}

button {
  margin-top: 0.5rem;
  padding: 0.75rem 1.1rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #020617;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

button:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.35);
  outline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.35);
  outline-offset: 3px;
  border-radius: 999px;
}

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

.project-output {
  min-height: 1.6em;
  margin-top: 1rem;
  color: var(--accent);
}

footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid #1e293b;
  padding-top: 1rem;
}

@media (max-width: 640px) {
  .container {
    padding-inline: 1rem;
  }

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

  .hero-photo {
    justify-self: start;
  }

  .hero-photo img {
    width: min(220px, 60vw);
  }

  .card {
    padding: 1rem;
  }
}