:root {
  --bg: #0f0f12;
  --bg-deep: #1c1613;
  --surface: rgba(22, 20, 23, 0.84);
  --surface-strong: rgba(16, 15, 18, 0.94);
  --text: #f5efe7;
  --muted: #c9bba9;
  --line: rgba(255, 244, 230, 0.12);
  --accent: #e07a34;
  --accent-soft: rgba(224, 122, 52, 0.18);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Avenir Next", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 14%, rgba(224, 122, 52, 0.14), transparent 18%),
    radial-gradient(circle at 84% 10%, rgba(255, 255, 255, 0.06), transparent 16%),
    linear-gradient(135deg, #0c0d10 0%, var(--bg) 44%, var(--bg-deep) 100%);
}

img {
  max-width: 100%;
}

.site-shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 20px 0 56px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 244, 230, 0.14);
  border-radius: 999px;
  background: rgba(18, 17, 21, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.26);
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

main {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.hero-section,
.content-section {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-strong) 100%);
  box-shadow: var(--shadow);
}

.hero-section {
  display: grid;
  grid-template-columns: 1.08fr 0.65fr;
  gap: 28px;
  padding: clamp(28px, 4vw, 48px);
}

.hero-copy {
  display: grid;
  align-content: start;
  gap: 18px;
}

.kicker,
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  color: var(--accent);
}

.section-heading h2 {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.section-heading h2.modern-section-title {
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Manrope", "Avenir Next", sans-serif;
  font-size: clamp(4rem, 8vw, 7.25rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 0.9;
  max-width: 9ch;
}

.hero-text,
.contact-card p,
.project-copy p,
.experience-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.03rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.9rem 1.15rem;
  font-weight: 700;
}

.button-primary {
  color: #151311;
  background: var(--accent);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-facts li,
.tag-row li {
  padding: 0.7rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
}

.hero-visual {
  display: grid;
  gap: 18px;
  align-content: start;
}

.portrait-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(54, 40, 31, 0.9), rgba(28, 27, 33, 0.95));
  min-height: 560px;
}

.portrait-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.intro-note {
  padding: 1.2rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
}

.intro-note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.content-section {
  padding: clamp(28px, 4vw, 42px);
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  max-width: 11ch;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.experience-card,
.project-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
}

.experience-card {
  display: grid;
  gap: 14px;
  padding: 1.3rem;
  align-content: start;
}

.experience-card h3,
.project-copy h3 {
  margin: 0.2rem 0 0;
  font-size: 1.4rem;
}

.experience-visual {
  min-height: 150px;
  border-radius: calc(var(--radius-lg) - 10px);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}

.experience-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.feature-card {
  background: linear-gradient(145deg, rgba(44, 31, 25, 0.84), rgba(21, 20, 24, 0.92));
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  overflow: hidden;
}

.project-visual {
  min-height: 140px;
  overflow: hidden;
}

.project-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.visual-robotics {
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.5), transparent 18%),
    linear-gradient(135deg, #c86d43 0%, #8e5e44 45%, #534f62 100%);
}

.visual-cansat {
  background:
    radial-gradient(circle at 22% 26%, rgba(255, 255, 255, 0.52), transparent 16%),
    linear-gradient(135deg, #d88b59 0%, #b7704f 42%, #6a6664 100%);
}

.visual-marine {
  background:
    radial-gradient(circle at 72% 24%, rgba(255, 255, 255, 0.42), transparent 16%),
    linear-gradient(145deg, #5b90a4 0%, #3c6779 48%, #213948 100%);
}

.visual-merlin {
  background:
    radial-gradient(circle at 18% 24%, rgba(255, 255, 255, 0.48), transparent 16%),
    linear-gradient(145deg, #d49364 0%, #b96d4c 46%, #5f5d66 100%);
}

.visual-research {
  background:
    radial-gradient(circle at 72% 22%, rgba(255, 255, 255, 0.45), transparent 16%),
    linear-gradient(145deg, #94aa98 0%, #667f74 48%, #414c56 100%);
}

.visual-hri {
  background:
    radial-gradient(circle at 70% 18%, rgba(255, 255, 255, 0.45), transparent 16%),
    linear-gradient(145deg, #d4b39f 0%, #a77763 48%, #7d5f5a 100%);
}

.visual-circuits {
  background:
    radial-gradient(circle at 30% 22%, rgba(255, 255, 255, 0.4), transparent 16%),
    linear-gradient(145deg, #8b7b70 0%, #58655a 48%, #44484f 100%);
}

.project-copy {
  display: grid;
  gap: 12px;
  padding: 1.3rem;
}

.contact-section {
  padding-bottom: 52px;
}

.contact-card {
  display: grid;
  gap: 20px;
  padding: 1.4rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-links a {
  color: var(--text);
  text-decoration: none;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 960px) {
  .site-shell {
    width: min(1200px, calc(100% - 24px));
    padding-top: 12px;
  }

  .site-header,
  .hero-section,
  .content-section {
    border-radius: 26px;
  }

  .hero-section,
  .project-grid,
  .stack-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1,
  .section-heading h2 {
    max-width: none;
  }

  .portrait-card {
    min-height: 420px;
  }

  .project-card-wide {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    border-radius: 24px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .brand {
    font-size: 1.45rem;
  }

  .hero-copy h1 {
    font-size: clamp(3.2rem, 16vw, 5rem);
  }

  .section-heading h2 {
    font-size: clamp(2.4rem, 12vw, 3.6rem);
  }

  .portrait-card {
    min-height: 340px;
  }
}