:root {
  color-scheme: dark;
  --bg: #060816;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #f8f9ff;
  --muted: #b3bad6;
  --border: rgba(255, 255, 255, 0.16);
  --accent: #7c4dff;
  --accent-2: #00d4ff;
  --shadow: 0 25px 65px rgba(2, 6, 23, 0.38);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 77, 255, 0.3), transparent 28%),
    radial-gradient(circle at bottom right, rgba(0, 212, 255, 0.24), transparent 24%),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  width: 100%;
}

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

.background-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(88px);
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

.orb-one {
  top: -70px;
  right: -40px;
  width: 360px;
  height: 360px;
  background: rgba(124, 77, 255, 0.35);
}

.orb-two {
  bottom: 60px;
  left: -40px;
  width: 320px;
  height: 320px;
  background: rgba(0, 212, 255, 0.28);
}

.topbar,
.hero,
.gallery-section,
.graphics-section {
  position: relative;
  z-index: 1;
}

.topbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0em;
}

.brand span {
  color: var(--accent-2);
}

.nav-links {
  display: flex;
  gap: 20px;
  color: var(--muted);
}

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

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 72px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.login-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(4, 8, 22, 0.68);
  backdrop-filter: blur(12px);
  z-index: 10;
}

.login-panel {
  width: min(520px, calc(100% - 40px));
  padding: 40px;
  border-radius: 9px;
  background: rgba(12, 16, 34, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.3);
}

.login-form {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.login-form label {
  color: var(--muted);
  font-size: 0.92rem;
}

.login-form input {
  width: 100%;
  padding: 16px 18px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1rem;
}

.login-error {
  color: #ffb4be;
  min-height: 1.2rem;
  font-size: 0.95rem;
}

.login-note {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 12px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c6d0ff;
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 16px;
  letter-spacing: -0.04em;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.btn {
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.015em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 28px rgba(124, 77, 255, 0.3);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.hero-stats div {
  padding: 14px 14px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.hero-stats strong {
  display: block;
  font-size: 1.08rem;
  margin-bottom: 4px;
}

.js-warning {
  margin: 0;
  padding: 16px;
  color: #f8f9ff;
  background: rgba(124, 77, 255, 0.12);
  border-radius: 11px;
  border: 1px solid rgba(124, 77, 255, 0.2);
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-panel {
  width: min(100%, 470px);
  padding: 18px;
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
  box-shadow: 0 33px 72px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(22px);
}

.gallery-section,
.graphics-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px 72px;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin: 0 0 10px;
  letter-spacing: -0.03em;
}

.section-heading p {
  color: var(--muted);
  max-width: 720px;
  line-height: 1.7;
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.app-card {
  border-radius: 9px;
  padding: 26px;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 20px 40px rgba(4, 9, 30, 0.14);
  background: rgba(255,255,255,0.035);
  backdrop-filter: blur(24px);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.app-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255,255,255,0.22);
  box-shadow: 0 42px 84px rgba(4, 9, 30, 0.24);
}

.preview-surface {
  border-radius: 15px;
  padding: 16px;
  margin-bottom: 18px;
}

.app-copy h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.app-copy p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 10px;
}

.app-copy a {
  color: var(--accent-2);
  font-weight: 600;
}

.tag {
  display: inline-block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #d9cfff;
  margin: 0 0 10px;
}

.purple { background: linear-gradient(135deg, rgba(137, 92, 246, 0.18), rgba(91, 51, 214, 0.08)); }
.cyan { background: linear-gradient(135deg, rgba(77, 196, 255, 0.15), rgba(3, 119, 157, 0.08)); }
.coral { background: linear-gradient(135deg, rgba(255, 107, 154, 0.16), rgba(170, 57, 103, 0.08)); }
.green { background: linear-gradient(135deg, rgba(80, 210, 129, 0.16), rgba(26, 132, 90, 0.08)); }
.gold { background: linear-gradient(135deg, rgba(244, 185, 66, 0.16), rgba(167, 113, 16, 0.08)); }
.slate { background: linear-gradient(135deg, rgba(125, 141, 170, 0.16), rgba(17, 24, 39, 0.1)); }

.graphic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.graphic-card {
  padding: 16px;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.graphic-preview {
  height: 120px;
  border-radius: 11px;
  margin-bottom: 12px;
  background-size: cover;
  background-position: center;
}

.preview-aurora {
  background: linear-gradient(135deg, #7c4dff 0%, #00d4ff 40%, #ff6b9a 100%);
}

.preview-grid {
  background:
    linear-gradient(rgba(255,255,255,0.36) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.36) 1px, transparent 1px),
    linear-gradient(135deg, #7c4dff, #00d4ff);
  background-size: 18px 18px, 18px 18px, cover;
}

.preview-mesh {
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.9) 0 8%, transparent 9%),
    radial-gradient(circle at 80% 25%, rgba(0,212,255,0.9) 0 10%, transparent 11%),
    radial-gradient(circle at 70% 80%, rgba(255,107,154,0.85) 0 10%, transparent 11%),
    linear-gradient(135deg, #0f172a, #1e293b);
}

.preview-icons {
  background:
    radial-gradient(circle, rgba(255,255,255,0.8) 0 7%, transparent 8%),
    linear-gradient(135deg, rgba(124,77,255,0.8), rgba(0,212,255,0.8));
}

.graphic-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.graphic-card p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
  font-size: 0.94rem;
}

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

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .graphic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    gap: 10px;
  }

  .hero {
    padding-top: 26px;
  }

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

  .card-grid,
  .graphic-grid {
    grid-template-columns: 1fr;
  }
}