:root {
  --bg: #07080d;
  --bg-2: #0f1320;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f5f7ff;
  --text-dim: rgba(245, 247, 255, 0.76);
  --text-soft: rgba(245, 247, 255, 0.6);
  --accent: #9f8cff;
  --accent-2: #46d4ff;
  --accent-3: #f6c177;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius-lg: 24px;
  --radius-md: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% -10%, rgba(159, 140, 255, 0.24), transparent 40%),
    radial-gradient(circle at 90% 0%, rgba(70, 212, 255, 0.16), transparent 32%),
    radial-gradient(circle at 50% 120%, rgba(246, 193, 119, 0.14), transparent 45%),
    linear-gradient(140deg, var(--bg) 0%, var(--bg-2) 55%, #090b12 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(48px);
  opacity: 0.18;
  z-index: -1;
  animation: drift 24s ease-in-out infinite;
}

body::before {
  width: 280px;
  height: 280px;
  left: -80px;
  top: 16vh;
  background: rgba(159, 140, 255, 0.75);
}

body::after {
  width: 240px;
  height: 240px;
  right: -70px;
  top: 50vh;
  background: rgba(70, 212, 255, 0.6);
  animation-delay: -8s;
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(-24px) translateX(12px);
  }
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(7, 8, 13, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.top-nav.scrolled {
  background: rgba(7, 8, 13, 0.84);
  border-bottom-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 650;
  letter-spacing: 0.012em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  padding: 84px 0 42px;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 8px;
  width: min(360px, 74vw);
  height: 1px;
  background: linear-gradient(90deg, rgba(159, 140, 255, 0.7), rgba(70, 212, 255, 0.28), transparent 85%);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 8px 12px;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(122deg, #ffffff 12%, #cfd7ff 52%, #7edcff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  width: min(760px, 96%);
  color: var(--text-dim);
  font-size: clamp(1.03rem, 2.2vw, 1.3rem);
}

.section {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4.5vw, 42px);
  box-shadow: var(--shadow);
  margin: 24px 0;
  content-visibility: auto;
  contain-intrinsic-size: 1px 520px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(159, 140, 255, 0.14), transparent 52%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.section:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.055);
}

.section:hover::before {
  opacity: 1;
}

.section h2 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section h3 {
  font-size: clamp(1.08rem, 2.4vw, 1.3rem);
  margin: 20px 0 10px;
}

.section p,
.section li {
  color: var(--text-dim);
  font-size: 1.02rem;
}

.section ul {
  margin: 14px 0 0 20px;
}

.section-note {
  margin-top: 16px;
  padding: 10px 0 10px 14px;
  border-left: 2px solid rgba(70, 212, 255, 0.5);
  color: rgba(245, 247, 255, 0.9);
  background: linear-gradient(90deg, rgba(70, 212, 255, 0.08), rgba(70, 212, 255, 0));
  border-radius: 0 10px 10px 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.project-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 210px;
  contain: paint;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.project-card::before,
.list-card::before,
.callout::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(70, 212, 255, 0.22), transparent 56%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.085);
}

.project-card:hover::before,
.list-card:hover::before,
.callout:hover::before {
  opacity: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
}

.project-card h3 {
  margin: 0;
  font-size: 1.18rem;
}

.project-card p {
  margin: 0;
  font-size: 0.98rem;
}

.link-row {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-actions {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.project-actions .btn {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

.btn {
  position: relative;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  padding: 9px 13px;
  font-size: 0.92rem;
  transition: 0.2s ease;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.24);
  transform: translateY(-1px);
}

.btn.primary {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #090b12;
  font-weight: 700;
}

.btn.primary::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-140%);
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, 0.44) 48%, transparent 76%);
  transition: transform 0.6s ease;
}

.btn.primary:hover {
  filter: brightness(1.06);
  box-shadow: 0 10px 26px rgba(116, 153, 255, 0.35);
}

.btn.primary:hover::after {
  transform: translateX(150%);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

.callout {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(159, 140, 255, 0.35);
  background: rgba(159, 140, 255, 0.12);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.callout:hover {
  transform: translateY(-2px);
  border-color: rgba(159, 140, 255, 0.55);
}

.callout p {
  margin: 0;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.list-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  contain: paint;
  transition: border-color 0.22s ease, transform 0.22s ease, background 0.22s ease;
}

.list-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.065);
}

.list-card h4 {
  margin-bottom: 6px;
  font-size: 0.98rem;
}

.list-card p,
.list-card li {
  font-size: 0.92rem;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.shot-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.shot-card img {
  width: 100%;
  height: auto;
  display: block;
}

.shot-card figcaption {
  padding: 10px 12px 12px;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.feature-points {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.feature-point {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.feature-point strong {
  color: #ffffff;
}

.feature-list-inline {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 22px;
}

.feature-list-inline li {
  position: relative;
  margin: 0;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.5;
}

.feature-list-inline li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: 12px;
  color: var(--accent-2);
  font-size: 0.82rem;
  opacity: 0.9;
}

.feature-list-inline li strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 3px;
}

.kv-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer {
  padding: 34px 0 46px;
  color: var(--text-soft);
  font-size: 0.9rem;
  text-align: center;
}

.form-grid {
  display: grid;
  gap: 14px;
}

label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 11px 13px;
  font: inherit;
}

select option {
  background: #141824;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(70, 212, 255, 0.16);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.status {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
}

.status.success {
  display: block;
  border: 1px solid rgba(46, 204, 113, 0.4);
  background: rgba(46, 204, 113, 0.15);
}

.status.error {
  display: block;
  border: 1px solid rgba(231, 76, 60, 0.4);
  background: rgba(231, 76, 60, 0.15);
}

.js .reveal-target {
  opacity: 0;
  transform: translateY(18px) scale(0.992);
  transition: opacity 0.68s cubic-bezier(0.16, 1, 0.3, 1), transform 0.68s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal-target.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal-target {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 880px) {
  body::before,
  body::after {
    display: none;
  }

  .split,
  .feature-list-inline {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 56px;
  }
}

@media (max-width: 640px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    font-size: 0.86rem;
    padding: 7px 10px;
  }
}

@media (max-width: 420px) {
  .project-actions {
    grid-template-columns: 1fr;
  }
}

::selection {
  background: rgba(159, 140, 255, 0.35);
  color: white;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}