:root {
  --bg: #0f172a;
  --bg-contrast: #111827;
  --panel: #111827;
  --accent: #6ee7b7;
  --accent-strong: #34d399;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #1f2937;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(52, 211, 153, 0.06), transparent 25%),
              radial-gradient(circle at 80% 0%, rgba(94, 234, 212, 0.05), transparent 20%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(17, 24, 39, 0.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 1.2rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav a {
  padding: 0.45rem 0.75rem;
  color: var(--muted);
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
  background: rgba(110, 231, 183, 0.08);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0.35rem 0.6rem;
  font-size: 1.2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  padding: 4rem 1.5rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}

.hero__text h1 {
  font-size: clamp(2.4rem, 4vw, 3rem);
  margin: 0.3rem 0 1rem;
}

.hero__text h1 span {
  color: var(--accent);
}

.hero__lead {
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 1.25rem;
}

.hero__kicker,
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.1rem;
  background: linear-gradient(120deg, var(--accent-strong), #22d3ee);
  color: #0b1727;
  border: none;
  border-radius: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 20px 40px -15px rgba(52, 211, 153, 0.55);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero__card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero__photo {
  display: block;
  width: 100%;
  max-width: 220px;
  margin: 0 auto 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(34, 211, 238, 0.2));
  box-shadow: var(--shadow);
}

.hero__card h3 {
  margin-top: 0;
}

.hero__card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.hero__card li {
  margin-bottom: 0.5rem;
}

.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tech-cloud span {
  background: rgba(110, 231, 183, 0.08);
  color: var(--accent);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.section--grid .cards {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.section__heading {
  margin-bottom: 1.5rem;
}

.section__lead {
  color: var(--muted);
  max-width: 720px;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline__item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1rem;
}

.timeline__date {
  color: var(--muted);
  font-weight: 700;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
}

.card ul {
  padding-left: 1.1rem;
  color: var(--muted);
}

.cards--wide .card {
  grid-column: 1 / -1;
}

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

.pill {
  background: rgba(110, 231, 183, 0.14);
  color: var(--accent);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--border);
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.badge {
  background: rgba(110, 231, 183, 0.08);
  color: var(--text);
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  text-align: center;
  font-weight: 600;
}

.section--contact {
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.06), rgba(17, 24, 39, 0.95));
  border-radius: 1.4rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

label {
  font-weight: 600;
}

input,
textarea {
  background: rgba(17, 24, 39, 0.9);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.8rem;
  font: inherit;
}

input:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(110, 231, 183, 0.5);
  outline-offset: 2px;
}

.form__status {
  min-height: 1.5rem;
  color: var(--accent);
  font-weight: 700;
}

.footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--muted);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.footer__links a {
  color: var(--text);
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3rem;
  }

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

@media (max-width: 700px) {
  .nav {
    position: absolute;
    inset: 60px 1.5rem auto;
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 0.75rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    transform-origin: top right;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .nav.is-open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}