:root {
  --bg: #f5f7fb;
  --bg-alt: #eef2f7;
  --ink: #0c1526;
  --ink-soft: #2c3b55;
  --accent: #21d4c3;
  --accent-strong: #0fb7e7;
  --accent-warm: #f7c28a;
  --glass: rgba(255, 255, 255, 0.65);
  --border: rgba(12, 21, 38, 0.1);
  --shadow: 0 30px 80px rgba(8, 16, 32, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max-width: 1200px;
  --transition: 0.4s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 15%, rgba(33, 212, 195, 0.18), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(15, 183, 231, 0.2), transparent 40%),
    linear-gradient(180deg, #f9fbff 0%, #eef2f7 100%);
  overflow-x: hidden;
}

p {
  margin: 0;
  line-height: 1.6;
}

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

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

button {
  font-family: inherit;
}

main {
  position: relative;
}

section {
  scroll-margin-top: 90px;
}

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 212, 195, 0.28), transparent 70%);
  pointer-events: none;
  mix-blend-mode: multiply;
  transform: translate(-50%, -50%);
  opacity: 0.8;
  z-index: 2;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(12, 21, 38, 0.08);
  z-index: 999;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 20px rgba(15, 183, 231, 0.4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(249, 251, 255, 0.85);
  border-bottom: 1px solid rgba(12, 21, 38, 0.05);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Unbounded", "Space Grotesk", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(140deg, #fff, rgba(255, 255, 255, 0.6));
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: 0 12px 28px rgba(12, 21, 38, 0.12);
}

.logo-mark svg {
  width: 34px;
  height: 34px;
  stroke: var(--ink);
}

.logo-mark circle:last-child {
  fill: var(--accent-strong);
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  line-height: 1;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transform: translateY(-2px);
  padding: 6px 18px 14px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 30px rgba(15, 183, 231, 0.3);
}

.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(12, 21, 38, 0.12);
  height: 42px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 16px;
  font-weight: 600;
  box-shadow: 0 12px 24px rgba(12, 21, 38, 0.1);
}

.nav-toggle-text {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav-toggle-icon {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 12px rgba(15, 183, 231, 0.5);
}

.hero {
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0px);
  opacity: 0.8;
  animation: float 12s ease-in-out infinite;
}

.orb-1 {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(33, 212, 195, 0.25), transparent 70%);
  top: -80px;
  left: -120px;
}

.orb-2 {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(15, 183, 231, 0.22), transparent 70%);
  top: 120px;
  right: -80px;
  animation-delay: -4s;
}

.orb-3 {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(247, 194, 138, 0.3), transparent 70%);
  bottom: -40px;
  left: 55%;
  animation-delay: -8s;
}

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12, 21, 38, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 21, 38, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at 50% 20%, #000 20%, transparent 70%);
}

.scanner {
  position: absolute;
  width: 120%;
  height: 2px;
  left: -10%;
  top: 40%;
  background: linear-gradient(90deg, transparent, rgba(33, 212, 195, 0.4), transparent);
  animation: scan 6s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(12, 21, 38, 0.1);
  font-weight: 500;
  color: var(--ink-soft);
  width: fit-content;
}

.hero h1 {
  font-family: "Unbounded", "Space Grotesk", sans-serif;
  font-size: clamp(2.8rem, 4vw, 4.5rem);
  line-height: 1.05;
  margin: 0;
}

.accent {
  color: var(--accent-strong);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  max-width: 620px;
  color: var(--ink-soft);
}

.hero-rotate {
  display: inline-block;
  font-weight: 600;
  color: var(--accent-strong);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.hero-rotate.fade {
  opacity: 0;
  transform: translateY(-6px);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 18px 40px rgba(15, 183, 231, 0.25);
}

.btn.primary:hover {
  transform: translateY(-2px) scale(1.01);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(12, 21, 38, 0.12);
}

.btn.outline {
  background: transparent;
  border-color: rgba(12, 21, 38, 0.25);
}

.hero-metrics {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-value {
  font-family: "Unbounded", sans-serif;
  font-size: 2rem;
}

.metric-label {
  color: var(--ink-soft);
}

.featured-projects {
  display: grid;
  gap: 10px;
  font-weight: 500;
  color: var(--ink-soft);
}

.featured-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.featured-list span {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(15, 183, 231, 0.12);
  color: var(--accent-strong);
  font-size: 0.85rem;
}

.hero-showcase {
  margin: 50px auto 0;
  max-width: var(--max-width);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  position: relative;
  z-index: 1;
}

.showcase-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.showcase-card.glass {
  background: var(--glass);
  backdrop-filter: blur(18px);
}

.showcase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 183, 231, 0.1);
  color: var(--accent-strong);
  font-size: 0.8rem;
}

.showcase-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 90px;
}

.showcase-chart .bar {
  width: 20%;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  border-radius: 10px 10px 0 0;
  height: var(--h);
  animation: pulse 2.4s ease-in-out infinite;
}

.showcase-chart .bar:nth-child(2) {
  animation-delay: -0.4s;
}

.showcase-chart .bar:nth-child(3) {
  animation-delay: -0.8s;
}

.showcase-chart .bar:nth-child(4) {
  animation-delay: -1.2s;
}

.showcase-chart .bar:nth-child(5) {
  animation-delay: -1.6s;
}

.showcase-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  color: var(--ink-soft);
}

.badge {
  align-self: flex-start;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(33, 212, 195, 0.12);
  color: var(--accent);
  font-weight: 600;
}

.marquee {
  margin-top: 60px;
  overflow: hidden;
  border-top: 1px solid rgba(12, 21, 38, 0.08);
  border-bottom: 1px solid rgba(12, 21, 38, 0.08);
  background: rgba(255, 255, 255, 0.6);
}

.marquee-track {
  display: flex;
  gap: 48px;
  padding: 18px 0;
  font-family: "Unbounded", sans-serif;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  width: max-content;
  animation: marquee 18s linear infinite;
}

.section {
  padding: 90px 24px;
}

.section-header {
  max-width: var(--max-width);
  margin: 0 auto 40px;
  display: grid;
  gap: 10px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--accent-strong);
  font-weight: 600;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
}

.about-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.about-card {
  padding: 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
}

.about-timeline {
  max-width: var(--max-width);
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.timeline-item {
  padding: 20px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 18px;
  border: 1px dashed rgba(12, 21, 38, 0.15);
}

.timeline-item span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(15, 183, 231, 0.15);
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-bottom: 12px;
}

.projects {
  background: linear-gradient(180deg, #f3f7fb 0%, #ffffff 100%);
}

.project-highlight {
  max-width: var(--max-width);
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
}

.project-stats {
  display: grid;
  gap: 16px;
}

.project-stats strong {
  font-family: "Unbounded", sans-serif;
  font-size: 1.6rem;
}

.project-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.project-card {
  background: #fff;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}

.project-card ul {
  padding-left: 18px;
  margin: 0;
  color: var(--ink-soft);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.contact-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.contact-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.contact-card.glass {
  background: var(--glass);
  backdrop-filter: blur(18px);
}

.contact-details {
  display: grid;
  gap: 6px;
  color: var(--ink-soft);
}

.contact-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.contact-tags span {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(12, 21, 38, 0.08);
  font-size: 0.8rem;
}

.lab-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.lab-tiles div {
  padding: 12px;
  border-radius: 14px;
  background: rgba(15, 183, 231, 0.08);
  display: grid;
  gap: 6px;
}

.reach {
  background: linear-gradient(120deg, rgba(15, 183, 231, 0.08), rgba(33, 212, 195, 0.12));
}

.reach-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.reach-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
}

.reach-form label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.reach-form input,
.reach-form select,
.reach-form textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(12, 21, 38, 0.15);
  background: #fff;
  font-size: 0.95rem;
}

.reach-form .full {
  grid-column: 1 / -1;
}

.reach-form button {
  justify-self: flex-start;
}

.form-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.reach-panel {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(12, 21, 38, 0.08);
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
}

.reach-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(12, 21, 38, 0.1);
  background: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.footer {
  padding: 40px 24px 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: 18px;
  border-top: 1px solid rgba(12, 21, 38, 0.1);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--ink-soft);
}

.footer-meta {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.tilt {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  transform-style: preserve-3d;
}

.tilt:hover {
  box-shadow: 0 24px 50px rgba(12, 21, 38, 0.18);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-30px);
  }
}

@keyframes scan {
  0% {
    transform: translateY(-120px);
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  100% {
    transform: translateY(200px);
    opacity: 0;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scaleY(0.9);
  }
  50% {
    transform: scaleY(1.1);
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 980px) {
  .nav-links {
    position: fixed;
    inset: 80px 20px auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

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

  .project-highlight {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-showcase {
    margin-top: 30px;
  }

  .cursor-glow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}