:root {
  --brand: #0f766e;
  --brand-dark: #115e59;
  --accent: #f97316;
  --ink: #0f172a;
  --muted: #64748b;
  --surface: #ffffff;
  --shadow: 0 25px 60px rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Sora", "Poppins", "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f8fafc;
  min-height: 100%;
}

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

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

.bg-orbit {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(15, 118, 110, 0.16), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(249, 115, 22, 0.15), transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(34, 197, 94, 0.08), transparent 55%);
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  z-index: 10;
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(130deg, var(--brand), var(--accent));
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.3);
}

.logo-text {
  font-weight: 600;
  font-size: 18px;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

.header-cta {
  display: flex;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 16px 30px rgba(15, 118, 110, 0.35);
}

.btn.secondary {
  background: #fff;
  color: var(--brand-dark);
  border-color: rgba(15, 118, 110, 0.3);
}

.btn.ghost {
  background: transparent;
  border-color: rgba(15, 23, 42, 0.15);
  color: var(--ink);
}

.btn:hover {
  transform: translateY(-1px);
}

.hero {
  padding: 90px 0 40px;
}

.hero-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.15);
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 600;
}

.hero-copy h1 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  margin: 18px 0 16px;
}

.hero-copy h1 span {
  color: var(--brand);
}

.hero-copy p {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  margin: 28px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.hero-meta strong {
  color: var(--ink);
  display: block;
}

.hero-card {
  background: #ffffff;
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.2);
}

.hero-card-body {
  display: grid;
  gap: 14px;
}

.schedule {
  padding: 12px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.schedule .time {
  font-weight: 600;
  margin-right: 8px;
}

.schedule .name {
  font-weight: 600;
  margin-top: 4px;
}

.schedule .desc {
  font-size: 13px;
  color: var(--muted);
}

.tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 600;
}

.tag-confirmed {
  background: rgba(34, 197, 94, 0.2);
  color: #15803d;
}

.tag-pending {
  background: rgba(59, 130, 246, 0.2);
  color: #1d4ed8;
}

.tag-done {
  background: rgba(15, 118, 110, 0.2);
  color: var(--brand-dark);
}

.hero-card-footer {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
}

.section {
  padding: 70px 0;
}

.section-title {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-title h2 {
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 12px;
}

.section-title p {
  color: var(--muted);
}

.grid-3 {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.grid-2 {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

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

.screen-card {
  margin: 0;
  background: #fff;
  border-radius: 24px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 14px;
}

.screen-card svg {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: #f8fafc;
}

.screen-card figcaption {
  color: var(--muted);
  font-size: 14px;
}

.feature-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.feature-card h3 {
  margin: 0 0 10px;
}

.feature-card p {
  color: var(--muted);
  margin: 0;
}

.dark {
  background: #0f172a;
  color: #e2e8f0;
}

.dark .section-title p,
.dark .module-item,
.dark .module-highlight p {
  color: #cbd5f5;
}

.module-list {
  display: grid;
  gap: 12px;
}

.module-item {
  background: rgba(15, 118, 110, 0.2);
  border: 1px solid rgba(15, 118, 110, 0.4);
  padding: 12px 16px;
  border-radius: 14px;
}

.module-highlight {
  background: rgba(255, 255, 255, 0.08);
  padding: 24px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.progress {
  margin-top: 16px;
}

.progress span {
  font-size: 12px;
  color: #cbd5f5;
}

.progress .bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  margin-top: 6px;
  overflow: hidden;
}

.progress .bar span {
  display: block;
  height: 100%;
  width: 70%;
  background: linear-gradient(90deg, var(--accent), var(--brand));
}

.cta {
  padding-bottom: 100px;
}

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

.faq-item {
  background: #fff;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 16px 20px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--brand);
  font-size: 18px;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.cta-box {
  background: #fff;
  border-radius: 26px;
  padding: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow);
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.footer-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
  .hero {
    padding-top: 60px;
  }
  .cta-box {
    padding: 28px;
  }
}

@media (min-width: 1024px) {
  .screen-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}