@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --bg-a:          #f6f4ff;
  --bg-b:          #ede8ff;
  --panel:         rgba(255, 255, 255, 0.82);
  --panel-solid:   #ffffff;
  --text:          #14112b;
  --muted:         #5c5878;
  --subtle:        #9490b0;
  --primary:       #6f4fff;
  --primary-deep:  #5138c8;
  --primary-glow:  rgba(111, 79, 255, 0.22);
  --border:        rgba(111, 79, 255, 0.14);
  --border-solid:  rgba(111, 79, 255, 0.22);
  --shadow-sm:     0 4px 16px rgba(83, 58, 191, 0.10);
  --shadow-md:     0 12px 40px rgba(83, 58, 191, 0.16);
  --shadow-lg:     0 28px 72px rgba(83, 58, 191, 0.20);
  --radius-sm:     14px;
  --radius-md:     22px;
  --radius-lg:     28px;
  --radius-pill:   999px;
}

/* ── Reset & base ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(ellipse 60% 50% at 10% 0%, rgba(111, 79, 255, 0.15), transparent),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(111, 79, 255, 0.10), transparent),
    linear-gradient(160deg, var(--bg-a) 0%, var(--bg-b) 100%);
  min-height: 100vh;
}

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

h1, h2, h3 {
  line-height: 1.1;
  letter-spacing: -0.03em;
}

p, li {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

li + li {
  margin-top: 6px;
}

/* ── Layout shell ───────────────────────────────────────────── */
.shell {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

/* ── Scroll animation base ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav,
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 8px 24px var(--primary-glow);
}

.nav-links,
.legal-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.nav-links a,
.topbar-links a,
.legal-links a,
.footer-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.topbar-links a:hover,
.legal-links a:hover,
.footer-links a:hover {
  color: var(--primary-deep);
  background: rgba(111, 79, 255, 0.07);
}

/* Topbar used on auth/doc pages */
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.topbar-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 6px 18px var(--primary-glow);
}

/* ── Buttons / CTAs ─────────────────────────────────────────── */
.button,
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.2s;
  white-space: nowrap;
}

.button.primary,
.cta {
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  box-shadow: 0 8px 28px rgba(95, 67, 214, 0.34);
}

.button.primary:hover,
.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(95, 67, 214, 0.42);
}

.button.secondary {
  color: var(--text);
  background: var(--panel-solid);
  border: 1px solid var(--border-solid);
  box-shadow: var(--shadow-sm);
}

.button.secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cta[disabled] {
  opacity: 0.6;
  cursor: wait;
  transform: none !important;
}

/* ── Hero section ───────────────────────────────────────────── */
/* Hero is a raw layout grid — NOT a panel itself */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 0;
}

/* hero-copy and hero-card are the actual panels */
.hero-copy {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.hero-card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px;
  display: grid;
  gap: 12px;
  align-content: start;
}

/* Doc-page header — single column panel */
.doc-header {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  margin-bottom: 28px;
}

/* ── Eyebrow / badge labels ─────────────────────────────────── */
.eyebrow,
.badge,
.catalog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(111, 79, 255, 0.10);
  color: var(--primary-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Typography ─────────────────────────────────────────────── */
h1 {
  margin: 20px 0 16px;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.0;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.doc-title {
  margin: 16px 0 10px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── CTA row ────────────────────────────────────────────────── */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ── Metric cards (hero sidebar) ────────────────────────────── */
.metric {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.70);
  border: 1px solid rgba(111, 79, 255, 0.09);
  transition: transform 0.2s, box-shadow 0.2s;
}

.metric:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.metric-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(111, 79, 255, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  color: var(--primary-deep);
}

.metric strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

/* ── Feature grid ───────────────────────────────────────────── */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 36px 0;
}

.feature {
  flex: 1 1 220px;
  min-width: 0;
  padding: 26px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.22s;
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(111, 79, 255, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary-deep);
}

/* ── Plan catalog ───────────────────────────────────────────── */
.catalog,
.catalog-empty {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  margin: 36px 0;
}

.catalog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.catalog h2 {
  margin: 6px 0 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.catalog-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary-deep);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-solid);
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}

.catalog-link:hover {
  background: rgba(111, 79, 255, 0.07);
  transform: translateY(-1px);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.plan-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.90);
  border: 1px solid rgba(111, 79, 255, 0.10);
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.22s,
              border-color 0.22s;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-solid);
}

.plan-card strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.plan-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.plan-chip {
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: rgba(111, 79, 255, 0.08);
  color: var(--primary-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.plan-price {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: auto;
}

.plan-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 18px;
  padding: 11px 0;
  border-radius: var(--radius-sm);
  background: rgba(111, 79, 255, 0.09);
  color: var(--primary-deep);
  font-size: 0.875rem;
  font-weight: 700;
  border: 1px solid rgba(111, 79, 255, 0.14);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.plan-cta:hover {
  background: rgba(111, 79, 255, 0.15);
  border-color: var(--border-solid);
  transform: translateY(-1px);
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer-panel {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px 36px;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 0.95rem;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 6px 18px var(--primary-glow);
}

.footer-copy {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--subtle);
}

.footer-links {
  gap: 4px;
}

/* ── Auth pages ─────────────────────────────────────────────── */
.auth-layout {
  display: grid;
  gap: 20px;
  margin: 0;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  align-items: start;
}

.auth-card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 36px;
}

.helper-card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px;
}

.auth-card .doc-title {
  margin-bottom: 12px;
}

.auth-form {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
}

.field input {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border: 1.5px solid rgba(111, 79, 255, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(111, 79, 255, 0.14);
}

.field-note {
  font-size: 0.82rem;
  color: var(--subtle);
}

/* ── Document cards (legal pages) ───────────────────────────── */
.doc-card {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px 32px;
}

/* ── Stack / utility ────────────────────────────────────────── */
.stack {
  display: grid;
  gap: 14px;
}

.meta {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--subtle);
  font-weight: 500;
}

/* ── Status messages ────────────────────────────────────────── */
.message {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.925rem;
}

.message.info {
  background: rgba(111, 79, 255, 0.07);
  border-color: rgba(111, 79, 255, 0.14);
  color: var(--primary-deep);
}

.message.success {
  background: rgba(33, 150, 83, 0.10);
  border-color: rgba(33, 150, 83, 0.18);
  color: #156f3d;
}

.message.error {
  background: rgba(193, 47, 47, 0.09);
  border-color: rgba(193, 47, 47, 0.16);
  color: #9c1b1b;
}

/* ── Button row ─────────────────────────────────────────────── */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  width: 38px;
  height: 38px;
  margin-top: 24px;
  border: 3.5px solid rgba(111, 79, 255, 0.10);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Utility ────────────────────────────────────────────────── */
.is-hidden {
  display: none !important;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .shell {
    width: calc(100% - 28px);
    padding: 20px 0 48px;
  }

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

  .hero-copy,
  .hero-card {
    padding: 28px 24px;
  }

  .auth-layout {
    grid-template-columns: 1fr;
  }

  .auth-card {
    padding: 28px 24px;
  }

  .catalog-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    flex-wrap: wrap;
  }

  .footer-inner {
    flex-direction: column;
    gap: 20px;
  }

  h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
}

@media (max-width: 520px) {
  .hero-copy {
    padding: 22px 18px;
  }

  .feature-grid {
    gap: 10px;
  }

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

  .cta-row {
    flex-direction: column;
  }

  .cta-row .button {
    text-align: center;
    justify-content: center;
  }

  .nav,
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 28px;
  }

  .doc-header,
  .footer-panel,
  .catalog,
  .catalog-empty,
  .doc-card,
  .helper-card {
    padding: 20px;
  }
}