:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --bg-soft: #101417;
  --panel: rgba(16, 23, 27, 0.78);
  --panel-strong: rgba(15, 19, 22, 0.94);
  --panel-border: rgba(144, 244, 226, 0.14);
  --text: #f5fbfb;
  --muted: #9db2b3;
  --accent: #00d4aa;
  --accent-strong: #39f0d8;
  --accent-soft: rgba(0, 212, 170, 0.16);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(0, 212, 170, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(57, 240, 216, 0.1), transparent 22%),
    linear-gradient(180deg, #0b0e10 0%, #0a0a0a 25%, #0c1012 100%);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

code,
pre {
  font-family: "SFMono-Regular", ui-monospace, "Cascadia Code", "Source Code Pro",
    Menlo, Consolas, monospace;
}

.page-shell {
  overflow: clip;
}

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

.section {
  padding: 6rem 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.section-heading p,
.hero-subtitle,
.feature-card p,
.problem-card p,
.step-card p,
.mini-shot-card p,
.dashboard-node p,
.footer-note {
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(8, 11, 12, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px;
  background:
    radial-gradient(circle at 35% 35%, #b8fff4 0%, #68ffe7 22%, transparent 24%),
    linear-gradient(135deg, #00d4aa 0%, #0ba5d6 100%);
  box-shadow: 0 0 20px rgba(0, 212, 170, 0.65);
}

.brand-text {
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: #d6e4e5;
  font-size: 0.95rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.25rem;
  border: 1px solid rgba(90, 240, 209, 0.28);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.24), rgba(57, 240, 216, 0.12));
  color: #f6fffe;
  font-weight: 600;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.nav-links a:hover,
.nav-links a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(130, 251, 224, 0.55);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.09);
  color: #dbe6e6;
}

.button-sm {
  min-height: 40px;
  padding: 0 1rem;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  color: inherit;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
  border-radius: 999px;
}

.hero {
  padding-top: 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.hero-subtitle {
  max-width: 640px;
  margin: 1.5rem 0 0;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-meta li {
  padding: 0.45rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: #d9e8e8;
  font-size: 0.92rem;
}

.hero-visual,
.problem-card,
.step-card,
.feature-card,
.comparison-table-wrap,
.code-panel,
.mini-shot-card,
.dashboard-node {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14, 18, 21, 0.88), rgba(12, 15, 17, 0.8));
  box-shadow: var(--shadow);
}

.hero-visual {
  position: relative;
  padding: 2rem;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(57, 240, 216, 0.55), rgba(255, 255, 255, 0.04), rgba(0, 212, 170, 0.35));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── Vertical flow diagram ── */
.vflow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.vflow-node {
  position: relative;
  width: 100%;
  max-width: 380px;
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.02);
}

.vflow-node-accent {
  border-color: rgba(0, 212, 170, 0.25);
  background:
    radial-gradient(ellipse at top, rgba(0, 212, 170, 0.15), transparent 60%),
    rgba(255, 255, 255, 0.025);
}

.vflow-label {
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #e8f5f3;
}

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

.vflow-chips span {
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: #c8ddd9;
  font-size: 0.78rem;
  white-space: nowrap;
}

.vflow-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.vflow-details span {
  font-size: 0.82rem;
  color: #a8c5c0;
}

.vflow-arrow {
  position: relative;
  width: 2px;
  height: 48px;
  background: linear-gradient(180deg, rgba(0, 212, 170, 0.7), rgba(0, 212, 170, 0.15));
  overflow: visible;
}

.vflow-arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -3px;
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(57, 240, 216, 0.7);
  border-bottom: 2px solid rgba(57, 240, 216, 0.7);
  transform: translateX(-50%) rotate(45deg);
}

.vflow-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 999px;
  background: radial-gradient(circle, #ddfffa 0%, #66ffe3 40%, #00d4aa 100%);
  box-shadow: 0 0 14px rgba(73, 255, 228, 0.8);
  animation: flowY 2.4s linear infinite;
}

.vdot-2, .vdot-4, .vdot-6 {
  animation-delay: 1.2s;
}

.vflow-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  max-width: 380px;
}

.vflow-branch {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-arrow-vertical .flow-dot {
  left: 50%;
  transform: translateX(-50%);
  animation: flowY 2.4s linear infinite;
}



.problem-grid,
.steps-grid,
.features-grid {
  display: grid;
  gap: 1.25rem;
}

.problem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.problem-card,
.step-card,
.feature-card {
  padding: 1.6rem;
}

.problem-icon,
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  border-radius: 14px;
  background: var(--accent-soft);
  font-size: 1.35rem;
}

.problem-card h3,
.step-card h3,
.feature-card h3,
.mini-shot-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.2rem;
  line-height: 1.15;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-number {
  margin-bottom: 1.2rem;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.step-card pre,
.code-panel pre {
  overflow-x: auto;
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  background: rgba(7, 10, 12, 0.9);
}

.showcase-section {
  position: relative;
}

.showcase-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.82fr);
  gap: 1.5rem;
  align-items: center;
}

.shot-card {
  overflow: hidden;
  border: 1px solid rgba(151, 248, 226, 0.16);
  border-radius: 28px;
  background: rgba(12, 15, 18, 0.9);
  box-shadow: var(--shadow);
}

.shot-card img,
.mini-shot-card img {
  width: 100%;
  height: auto;
}

.shot-primary {
  grid-row: span 2;
}

.tilt-left {
  transform: perspective(1200px) rotateY(-8deg) rotateX(1.5deg);
  transform-origin: left center;
}

.showcase-sidebar {
  display: grid;
  gap: 1rem;
}

.shot-secondary.top {
  margin-bottom: 1rem;
}

.mini-shot-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
}

.mini-shot-card img {
  border-radius: 18px;
}

.features-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.comparison-section {
  padding-bottom: 4rem;
}

.comparison-table-wrap {
  overflow-x: auto;
  padding: 1rem;
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem 1.05rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
}

.comparison-table thead th {
  color: #f7ffff;
  font-size: 0.92rem;
}

.comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.comparison-table tbody td:first-child {
  color: #d8e8e7;
  font-weight: 600;
}

.getting-started-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.5rem;
  align-items: center;
}

.section-heading-left {
  margin-bottom: 0;
}

.platform-list {
  display: flex;
  gap: 0.8rem;
  margin: 1.5rem 0 1rem;
  color: #d7e5e4;
}

.platform-list span {
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
}

.text-link {
  color: var(--accent-strong);
  font-weight: 600;
}

.code-panel {
  padding: 1rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 1rem;
  align-items: center;
}

.footer-links,
.footer-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #d5e2e3;
}

.license-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.75rem;
  border: 1px solid rgba(91, 241, 210, 0.22);
  border-radius: 999px;
  background: rgba(0, 212, 170, 0.08);
}

@keyframes flowX {
  0% {
    left: -10%;
    opacity: 0;
  }
  15%,
  85% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

@keyframes flowY {
  0% {
    top: -10%;
    opacity: 0;
  }
  20%,
  85% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

@media (max-width: 1100px) {
  .hero-grid,
  .showcase-layout,
  .getting-started-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .vflow-split {
    grid-template-columns: 1fr;
  }

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

  .tilt-left {
    transform: none;
  }

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

@media (max-width: 860px) {
  .section {
    padding: 4.5rem 0;
  }

  .nav {
    min-height: 76px;
  }

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

  .nav-links {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    background: rgba(9, 13, 14, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .problem-grid,
  .steps-grid,
  .footer-grid,
  .showcase-sidebar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    justify-items: start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--container), calc(100% - 1.25rem));
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }

  .hero-actions,
  .platform-list,
  .footer-links,
  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .button,
  .button-sm {
    width: 100%;
  }

  .hero-visual,
  .problem-card,
  .step-card,
  .feature-card,
  .code-panel {
    border-radius: 20px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .mini-shot-card {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}