:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #071018;
  --surface: #13203b;
  --surface-soft: rgba(30, 42, 75, 0.9);
  --panel: #172842;
  --text: #e9f2ff;
  --muted: #a1b4d8;
  --accent: #8c6dff;
  --accent2: #ff78c7;
  --accent-soft: rgba(140, 109, 255, 0.15);
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 30px 90px rgba(3, 14, 35, 0.3);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top left, rgba(140, 109, 255, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 120, 199, 0.1), transparent 20%),
    var(--bg);
  color: var(--text);
}

body {
  line-height: 1.65;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(7, 16, 24, 0.9);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.main-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 0.85rem 1rem;
  border-radius: 999px;
  cursor: pointer;
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(3rem, 3.8vw, 5rem);
  line-height: 0.98;
  margin: 0.5rem 0 1.25rem;
}

.hero-text {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 1.7rem;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #74eaff);
  color: #06131f;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.btn-tertiary {
  border: 1px solid rgba(83, 208, 255, 0.3);
  color: var(--accent);
  background: transparent;
}

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

.stat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 1.2rem 1.3rem;
  border-radius: 24px;
}

.stat-card strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.hero-panel {
  padding: 1.5rem;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(140, 109, 255, 0.16), rgba(19, 32, 59, 0.92));
  border: 1px solid rgba(255,255,255,0.08);
}

.hero-image-card {
  display: grid;
  gap: 1.4rem;
  align-items: start;
}

.hero-image {
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 28px 80px rgba(11, 15, 35, 0.45);
}

.hero-meta {
  display: grid;
  gap: 1rem;
}

.hero-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.hero-meta p {
  color: var(--muted);
  margin: 0;
}

.hero-tag-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.hero-tag-grid span {
  padding: 0.85rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  font-size: 0.92rem;
}

.section {
  padding: 4.5rem 0;
}

.section:nth-of-type(even) {
  background: rgba(255, 255, 255, 0.025);
}

.section-label {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section h2 {
  font-size: clamp(2.2rem, 2.5vw, 3.4rem);
  margin: 0;
}

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

.section-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.feature-cards {
  display: grid;
  gap: 1rem;
}

.feature-cards article {
  padding: 1.4rem;
  border-radius: 24px;
  border: 1px solid rgba(140, 109, 255, 0.14);
  background: linear-gradient(180deg, rgba(140, 109, 255, 0.12), rgba(19, 40, 71, 0.92));
}

.feature-cards h3 {
  margin: 0 0 0.75rem;
}

.experience-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.experience-card,
.education-card,
.project-grid article,
.achievement-grid article,
.contact-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 1.8rem;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.experience-header h3 {
  margin: 0;
}

.experience-card ul {
  margin: 1.2rem 0 0;
  padding-left: 1.2rem;
}

.experience-card li {
  margin-bottom: 0.9rem;
  color: var(--muted);
}

.earlier-section {
  margin-top: 2rem;
}

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

.earlier-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.hidden {
  display: none;
}

.education-panel {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2rem;
  align-items: center;
}

.education-card {
  display: grid;
  gap: 0.5rem;
}

.education-card span {
  color: var(--muted);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.case-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(3, 14, 35, 0.22);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(140, 109, 255, 0.4);
}

.case-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-card-body {
  padding: 1.6rem;
  display: grid;
  gap: 1rem;
}

.mini-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(140, 109, 255, 0.15);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.case-card h3 {
  margin: 0;
}

.case-card p {
  color: var(--muted);
}

.case-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.case-card li {
  margin-bottom: 0.8rem;
}

.project-tabs {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.tab-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.tab-button {
  padding: 1rem 1.2rem;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-radius: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.tab-button.active,
.tab-button:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: rgba(255,255,255,0.18);
  color: #071018;
}

.tab-panel {
  display: grid;
  gap: 1.5rem;
}

.tab-content {
  display: none;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: center;
}

.tab-content.active {
  display: grid;
}

.tab-copy h3 {
  margin-top: 0.5rem;
}

.tab-copy ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.tab-copy li {
  margin-bottom: 0.8rem;
}

.tab-image-card {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}

.tab-image-card img {
  width: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.award-tile {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}

.award-tile img {
  width: 100%;
  display: block;
  height: 220px;
  object-fit: cover;
}

.award-tile p {
  margin: 0;
  padding: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.project-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.project-grid article {
  padding: 1.6rem;
}

.skill-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.skill-columns div {
  display: grid;
  gap: 1rem;
}

.tag-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.tag-grid span {
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.achievement-grid article {
  padding: 1.4rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
}

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

.contact-details strong {
  display: block;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

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

.site-footer p {
  margin: 0;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero-grid,
  .section-grid,
  .education-panel,
  .skill-columns,
  .project-grid,
  .achievement-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.5rem;
  }
}

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .main-nav {
    width: 100%;
    flex-direction: column;
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .skill-badges {
    grid-template-columns: 1fr;
  }

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