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

:root {
  --font-display: "Space Grotesk", "Sora", "Noto Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;

  --shadow-soft: 0 20px 60px rgba(17, 33, 58, 0.12);
  --shadow-card: 0 14px 40px rgba(23, 42, 71, 0.12);
  --shadow-glow: 0 0 60px rgba(22, 163, 167, 0.3);
}

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

body {
  font-family: var(--font-body);
  background: radial-gradient(
    circle at top,
    var(--color-white) 0%,
    #f3f7f7 45%,
    #eaf2f3 100%
  );
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
}

.container {
  width: min(1120px, 90vw);
  margin: 0 auto;
}

.hero {
  position: relative;
  padding: 32px 0 80px;
  overflow: hidden;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: 12px 0;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.6px;
}

.logo {
  width: 32px;
  height: 32px;
}

.brand-text {
  font-size: 18px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
  margin-top: 60px;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.1;
  margin: 16px 0 20px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.lead {
  font-size: 18px;
  color: var(--color-text-secondary);
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin: 28px 0 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: var(--color-brand-teal);
  color: var(--color-white);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(22, 163, 167, 0.28);
}

.btn.outline {
  background: transparent;
  color: var(--color-brand-ink);
  border-color: var(--color-border);
  box-shadow: none;
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(30, 42, 68, 0.2);
  color: var(--color-brand-ink);
  box-shadow: none;
}

.btn.small {
  padding: 8px 16px;
  font-size: 13px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
}

.metric-label {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.hero-panel {
  background: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-2xl);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  display: grid;
  gap: 20px;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-title {
  font-weight: 600;
}

.panel-sub {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.panel-list {
  display: grid;
  gap: 16px;
}

.panel-item {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 12px;
  align-items: start;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-brand-teal);
  margin-top: 6px;
}

.muted {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(22, 163, 167, 0.12);
  color: var(--color-brand-teal);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.badge.ghost {
  background: rgba(30, 42, 68, 0.08);
  color: var(--color-text-secondary);
}

.panel-footer {
  display: grid;
  gap: 16px;
}

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

.chips span {
  padding: 6px 10px;
  border-radius: var(--radius-full);
  background: rgba(30, 42, 68, 0.06);
  font-size: var(--font-size-sm);
}

.section {
  padding: 80px 0;
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 32px;
}

.section-lead {
  color: var(--color-text-secondary);
  font-size: 18px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 24px;
  border: 1px solid rgba(30, 42, 68, 0.08);
  box-shadow: 0 12px 30px rgba(30, 42, 68, 0.08);
  display: grid;
  gap: 10px;
}

.card.highlight {
  background: linear-gradient(140deg, #e8fbfb 0%, #ffffff 60%);
  border-color: rgba(22, 163, 167, 0.25);
}

.link {
  color: var(--color-brand-teal);
  font-weight: 600;
}

.tinted {
  background: linear-gradient(140deg, rgba(22, 163, 167, 0.08), rgba(255, 255, 255, 0.8));
}

.muted-panel {
  background: #f0f4f6;
}

.list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  color: var(--color-text-secondary);
}

.list li {
  list-style: none;
  position: relative;
  padding-left: 22px;
}

.list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-brand-teal);
  border-radius: 3px;
  position: absolute;
  left: 0;
  top: 8px;
}

.stacked-cta {
  margin-top: 24px;
  display: grid;
  gap: 8px;
}

.canvas {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(30, 42, 68, 0.08);
}

.canvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.canvas-body {
  display: grid;
  gap: 16px;
}

.canvas-card {
  background: rgba(22, 163, 167, 0.1);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.canvas-title {
  font-weight: 600;
}

.canvas-flow {
  display: grid;
  gap: 12px;
}

.flow-item {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 12px;
  align-items: start;
}

.canvas-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(30, 42, 68, 0.08);
  font-size: var(--font-size-sm);
}

.comparison {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  box-shadow: var(--shadow-card);
}

.comparison h4 {
  margin-bottom: 12px;
}

.comparison ul {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  color: var(--color-text-secondary);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.logo-grid span {
  background: rgba(30, 42, 68, 0.06);
  border-radius: var(--radius-full);
  padding: 10px 14px;
  text-align: center;
  font-weight: 600;
}

.callout {
  text-align: center;
  background: linear-gradient(160deg, rgba(22, 163, 167, 0.12), rgba(255, 255, 255, 0.9));
}

.signup {
  margin: 24px auto 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.signup input {
  min-width: 260px;
  padding: 12px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(30, 42, 68, 0.2);
  font-size: 15px;
}

.signup button {
  padding: 12px 22px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--color-brand-ink);
  color: var(--color-white);
  font-weight: 600;
  cursor: pointer;
}

.signup button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-status {
  margin-top: 12px;
  font-size: var(--font-size-sm);
  color: var(--color-success);
  min-height: 18px;
}

.form-status.is-error {
  color: var(--color-danger);
}

.fineprint {
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer {
  padding: 48px 0;
  background: #111827;
  color: rgba(255, 255, 255, 0.8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer h4 {
  margin-bottom: 12px;
  color: #ffffff;
}

.footer a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 6px;
}

.footer .brand-text {
  color: #ffffff;
}

.copyright {
  text-align: center;
  margin-top: 32px;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0px);
  opacity: 0.6;
  z-index: -1;
}

.orb-a {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(22, 163, 167, 0.45), transparent 70%);
  top: -120px;
  left: -120px;
  animation: float 10s ease-in-out infinite;
}

.orb-b {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(30, 42, 68, 0.28), transparent 70%);
  top: 120px;
  right: -120px;
  animation: float 12s ease-in-out infinite;
}

.orb-c {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(22, 163, 167, 0.2), transparent 70%);
  bottom: 120px;
  left: 10%;
  animation: float 14s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(18px);
  }
  100% {
    transform: translateY(0px);
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .grid.three,
  .grid.two,
  .comparison,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

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

@media (max-width: 640px) {
  .hero {
    padding-bottom: 60px;
  }

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

  .signup {
    flex-direction: column;
  }

  .signup input {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}