@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6fd4ff;
  --primary-strong: #4aa8f0;
  --bg: #060d1a;
  --card: rgba(16, 28, 49, 0.75);
  --muted: #b7c7df;
  --text: #e8f4ff;
  --accent: #a1ffed;
  --magenta: #d28bff;
  --glow: 0 20px 80px rgba(111, 212, 255, 0.25);
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) rgba(6, 13, 26, 0.85);
  overflow-x: hidden;
}

body {
  font-family: 'Inter', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(111, 212, 255, 0.08), transparent 35%),
              radial-gradient(circle at 80% 0%, rgba(210, 139, 255, 0.12), transparent 30%),
              linear-gradient(180deg, #050912 0%, #0a1324 40%, #060d1a 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  padding-top: 72px;
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) rgba(111, 212, 255, 0.18);
}

html, body, * {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) rgba(6,13,26,0.85);
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
*::-webkit-scrollbar { width: 8px; }

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
*::-webkit-scrollbar-track {
  background: rgba(111, 212, 255, 0.12);
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);

}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
*::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 12px;
  border: 1px solid rgba(6, 13, 26, 0.6);
  box-shadow: 0 4px 14px rgba(111, 212, 255, 0.25);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

::-webkit-scrollbar-corner {
  background: transparent;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(135, 206, 235, 0.12) 0%, transparent 45%);
  pointer-events: none;
  z-index: 1;
}

#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 1;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(6, 13, 26, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1000;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--primary), var(--magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.05em;
  text-shadow: 0 0 25px rgba(111, 212, 255, 0.35);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.25s ease;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--magenta));
  transition: width 0.3s ease;
}

.nav-menu a:hover {
  color: var(--primary);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

body.nav-open {
  overflow: hidden;
}

section {
  padding: 6rem 2rem;
  position: relative;
  z-index: 2;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: min(1200px, 100%);
  padding: 0 1.25rem;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(111, 212, 255, 0.12);
  border: 1px solid rgba(111, 212, 255, 0.35);
  color: var(--text);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  margin: 0.5rem 0 0.75rem;
}

.glitch {
  position: relative;
  color: var(--text);
  animation: glitch 3s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--primary);
  animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -2px 0 var(--magenta);
  animation: glitch-anim2 5s infinite linear alternate-reverse;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero-icons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.75rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.icon-btn:hover {
  color: var(--primary);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--glow);
}

.hero-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 1.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), var(--glow);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  width: min(520px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(161, 255, 237, 0.08), transparent 40%);
  pointer-events: none;
}

.hero-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.quick-links {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.link-row {
  text-decoration: none;
  color: inherit;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.link-row::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(161, 255, 237, 0.12), transparent 35%);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.3s ease;
}

.link-row:hover {
  transform: translateY(-3px);
  border-color: rgba(111, 212, 255, 0.45);
  box-shadow: var(--glow);
}

.link-row:hover::after {
  opacity: 1;
}

.link-row > * {
  position: relative;
  z-index: 1;
}

.link-row-review {
  background: linear-gradient(135deg, rgba(29, 35, 66, 0.95), rgba(58, 51, 89, 0.85));
}

.link-row-database {
  background: linear-gradient(135deg, rgba(16, 46, 74, 0.92), rgba(19, 68, 84, 0.85));
}

.row-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.row-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.pill {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.pill.success {
  color: #0f1b0f;
  background: linear-gradient(135deg, #8df9d4, #4df2a5);
}

.pill.ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(111, 212, 255, 0.35);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.pill.ghost:hover {
  color: var(--bg);
  background: linear-gradient(135deg, #8df9d4, #4aa8f0);
  border-color: transparent;
}

.stat {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.narrow {
  text-align: center;
  max-width: 780px;
}

.section-title {
  font-size: 2.6rem;
  background: linear-gradient(120deg, #fff, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.section-sub,
.lede {
  color: var(--muted);
  font-size: 1.05rem;
}

.project-tabs {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.7rem 1.3rem;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition: all 0.25s ease;
}

.tab-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tab-btn.active {
  background: linear-gradient(120deg, var(--primary), var(--magenta));
  color: #041226;
  border-color: transparent;
  box-shadow: var(--glow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.show {
  opacity: 1;
  transform: none;
}

.project-card {
  background: linear-gradient(145deg, rgba(15, 22, 40, 0.9), rgba(17, 32, 58, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(111, 212, 255, 0.12), transparent 40%);
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--glow);
  border-color: rgba(111, 212, 255, 0.4);
}

.project-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.project-icon {
  font-size: 2rem;
  color: var(--primary);
}

.project-title {
  font-size: 1.35rem;
}

.project-dates {
  color: var(--muted);
  font-size: 0.95rem;
}

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

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text);
}

.project-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.1rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--magenta));
  color: #041226;
  border-color: transparent;
  box-shadow: var(--glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(111, 212, 255, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.timeline-section {
  position: relative;
}

.timeline {
  border-left: 2px solid rgba(255, 255, 255, 0.08);
  padding-left: 1.5rem;
  display: grid;
  gap: 1.5rem;
}

.timeline-item {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 1.25rem;
  overflow: hidden;
}

.timeline-item::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--primary), var(--magenta));
  left: -2.35rem;
  top: 1.4rem;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.03);
}

.timeline-date {
  color: var(--muted);
  font-size: 0.9rem;
}

.timeline-title {
  font-size: 1.2rem;
  margin: 0.2rem 0 0.35rem;
}

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

.ideas-section {
  position: relative;
}

.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.idea-card {
  background: linear-gradient(140deg, rgba(10, 21, 40, 0.9), rgba(16, 32, 58, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.idea-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  border-color: rgba(111, 212, 255, 0.35);
  box-shadow: var(--glow);
}

.idea-badge {
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 0.35rem;
  background: rgba(255, 255, 255, 0.03);
}

.idea-title {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.idea-description {
  color: var(--muted);
  font-size: 0.98rem;
}

.footer-note {
  color: var(--muted);
  margin-top: 0.3rem;
}

footer {
  background: linear-gradient(180deg, transparent, rgba(6, 13, 26, 0.85));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2rem;
  text-align: center;
  z-index: 2;
}

.fornownoclass {
  color: var(--primary);
  text-decoration: none;
}

@keyframes glitch {
  2%,64% {
    transform: translate(2px,0) skew(0deg);
  }
  4%,60% {
    transform: translate(-2px,0) skew(0deg);
  }
  62% {
    transform: translate(0,0) skew(5deg);
  }
}

@keyframes glitch-anim {
  0% { clip: rect(31px, 9999px, 94px, 0); }
  25% { clip: rect(70px, 9999px, 71px, 0); }
  50% { clip: rect(85px, 9999px, 42px, 0); }
  75% { clip: rect(10px, 9999px, 98px, 0); }
  100% { clip: rect(55px, 9999px, 15px, 0); }
}

@keyframes glitch-anim2 {
  0% { clip: rect(65px, 9999px, 119px, 0); }
  25% { clip: rect(90px, 9999px, 2px, 0); }
  50% { clip: rect(50px, 9999px, 80px, 0); }
  75% { clip: rect(12px, 9999px, 95px, 0); }
  100% { clip: rect(40px, 9999px, 30px, 0); }
}

@media (max-width: 768px) {
  body {
    padding-top: 68px;
  }

  .nav-container {
    padding: 0.85rem 1.25rem;
  }

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

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    padding: 1rem 1.25rem 1.25rem;
    background: rgba(6, 13, 26, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(18px);
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    width: 100%;
    padding: 0.85rem 0.9rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.02);
  }

  .nav-menu a::after {
    display: none;
  }

  section {
    padding: 4.5rem 1.25rem;
  }

  .hero {
    min-height: auto;
    padding-top: 1rem;
  }

  .hero-grid {
    text-align: center;
    justify-items: center;
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .hero-icons {
    width: 100%;
    justify-content: center;
  }

  .hero-card {
    order: 3;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 540px) {
  .nav-menu {
    padding: 0.75rem 1rem 1.1rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.6rem, 9vw, 3.3rem);
  }

  .hero {
    padding-top: 0.25rem;
  }

  section {
    padding: 3.6rem 1rem;
  }

  .hero-icons {
    gap: 0.75rem;
  }

  .project-card,
  .idea-card,
  .timeline-item {
    padding: 1.1rem;
  }
}