:root {
  --bg: #07101b;
  --bg-soft: #0c1828;
  --surface: #12253d;
  --surface-2: #0e2035;
  --text: #eaf3ff;
  --muted: #a6c0dd;
  --line: rgba(213, 232, 255, 0.16);
  --primary: #38d5c4;
  --primary-strong: #1eb6a5;
  --accent: #ffb754;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(170deg, var(--bg) 0%, #081425 50%, #060d18 100%);
  color: var(--text);
  font: 16px/1.55 "Space Grotesk", "Segoe UI", sans-serif;
}

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

.bg-orb {
  position: fixed;
  z-index: -1;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.18;
  pointer-events: none;
}

.orb-a {
  top: -80px;
  left: -120px;
  background: var(--primary);
}

.orb-b {
  right: -110px;
  top: 32%;
  background: var(--accent);
}

.wrap {
  width: min(var(--max), 100% - 2rem);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(6, 14, 26, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  box-shadow: 0 0 18px rgba(255, 183, 84, 0.7);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.main {
  padding: 2.2rem 0 2.8rem;
}

.hero {
  padding: 2rem 0 2.4rem;
}

.kicker {
  margin: 0 0 0.6rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  max-width: 16ch;
  font-size: clamp(2rem, 4.8vw, 3.5rem);
}

h2 {
  font-size: clamp(1.45rem, 3.2vw, 2rem);
}

.subtitle {
  margin: 1rem 0 0;
  color: var(--muted);
  max-width: 68ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  padding: 0.72rem 1.1rem;
  font-weight: 700;
  color: #062021;
  background: linear-gradient(120deg, var(--primary), #6be5d8);
  box-shadow: 0 14px 24px rgba(35, 148, 138, 0.23);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 28px rgba(35, 148, 138, 0.32);
}

.btn-sm {
  padding: 0.52rem 0.9rem;
  border-radius: 11px;
  font-size: 0.9rem;
}

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

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.04);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(130px, 1fr));
  gap: 0.9rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.stats li {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.stats strong {
  display: block;
  font-size: 1.4rem;
}

.stats span {
  color: var(--muted);
  font-size: 0.85rem;
}

.panel {
  margin-top: 1.3rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 1.3rem;
  background: linear-gradient(165deg, var(--surface), var(--surface-2));
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.filters {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  border-radius: 999px;
  padding: 0.38rem 0.78rem;
  font: inherit;
  cursor: pointer;
}

.chip.is-active {
  background: rgba(56, 213, 196, 0.16);
  color: var(--text);
  border-color: rgba(56, 213, 196, 0.48);
}

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

.port-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(8, 18, 30, 0.64);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.port-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 183, 84, 0.45);
}

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

.cover-btn {
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.port-body {
  position: relative;
  z-index: 3;
  padding: 0.95rem;
  background: linear-gradient(0deg, rgba(8, 18, 30, 1) 60%, rgba(8, 18, 30, 0.62) 100%);
  margin-top: -64px;
}

.tag {
  display: inline-block;
  border-radius: 999px;
  background: rgba(255, 183, 84, 0.14);
  color: #ffd396;
  border: 1px solid rgba(255, 183, 84, 0.34);
  font-size: 0.75rem;
  padding: 0.25rem 0.52rem;
}

.port-body h3 {
  margin-top: 0.56rem;
}

.port-body p {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.impact {
  color: #b7fce9;
  font-size: 0.9rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.timeline article {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.timeline p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.2rem;
  align-items: end;
}

.contact-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer {
  text-align: center;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

#lightbox {
  width: min(92vw, 1040px);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0;
  background: #081425;
  color: var(--text);
}

#lightbox::backdrop {
  background: rgba(4, 9, 16, 0.76);
}

.lb-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
}

.lb-body {
  padding: 1rem;
}

#lb-img {
  width: 100%;
  height: auto;
  max-height: 78vh;
  border-radius: 12px;
  object-fit: contain;
  background: #050d16;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.port-card.is-hidden {
  display: none;
}

@media (max-width: 960px) {
  .portfolio-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .main {
    padding-top: 1.2rem;
  }

  .panel {
    border-radius: 18px;
    padding: 1rem;
  }

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

  .port-card img {
    height: 200px;
  }

  .contact-actions {
    width: 100%;
  }

  .contact-actions .btn {
    flex: 1;
  }
}