:root {
  --bg: #0B0D10;
  --bg-elevated: #12151A;
  --card: #181C22;
  --card-alt: #1E232B;
  --border: #272D37;
  --border-strong: #394150;
  --text: #F2F4F7;
  --muted: #B0B7C3;
  --text-muted: #8B93A1;
  --accent: #FF6B1A;
  --accent-strong: #FF8640;
  --accent-active: #E85A0C;
  --accent-link: #FF8640;
  --accent-text: #0B0D10;
  --success: #22C55E;
  --success-bg: rgba(34, 197, 94, 0.14);
  --success-text: #4ADE80;
  --warn-bg: rgba(245, 183, 0, 0.12);
  --warn-border: rgba(245, 183, 0, 0.45);
  --warn-text: #FCD34D;
  --error: #F87171;
  --disabled-bg: #252B35;
  --disabled-text: #B8C0CC;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.45);
}

[data-theme="light"] {
  --bg: #F6F6F3;
  --bg-elevated: #FFFFFF;
  --card: #FFFFFF;
  --card-alt: #F1F2F4;
  --border: #DCDCD6;
  --border-strong: #C4C6CE;
  --text: #111318;
  --muted: #434A57;
  --text-muted: #525966;
  --accent: #C2410C;
  --accent-strong: #9A3412;
  --accent-active: #7C2D12;
  --accent-link: #B83B0A;
  --accent-text: #FFFFFF;
  --success: #15803D;
  --success-bg: #DCFCE7;
  --success-text: #166534;
  --warn-bg: #FFFBEB;
  --warn-border: #D97706;
  --warn-text: #78350F;
  --error: #B91C1C;
  --disabled-bg: #E5E7EB;
  --disabled-text: #4B5563;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

p a,
li a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-text);
  padding: 8px 14px;
  font-weight: 700;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  border-radius: 8px;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.top-bar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 8px 12px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 900;
  font-size: 0.94rem;
}

.brand small {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.78rem;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--accent-link);
  text-decoration: none;
}

.nav-links a.btn-primary {
  color: var(--accent-text);
}

.theme-btn {
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.theme-btn:hover {
  border-color: var(--accent);
}

.hero {
  padding: 52px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 32px;
  align-items: center;
}

.pill {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--accent-link);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
}

h1 {
  font-size: clamp(1.95rem, 3.8vw, 2.85rem);
  line-height: 1.13;
  margin: 0 0 14px;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  line-height: 1.22;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.08rem;
  line-height: 1.3;
  margin: 0 0 8px;
}

.accent-text {
  color: var(--accent-link);
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 22px;
}

.hero-subline {
  margin: 12px 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 11px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.88rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
}

.btn-primary:hover {
  background: var(--accent-strong);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.btn-disabled {
  background: var(--disabled-bg);
  color: var(--disabled-text);
  border-color: var(--border-strong);
  cursor: not-allowed;
}

.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.app-frame {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.app-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.app-frame figcaption {
  padding: 8px 6px 2px;
  font-size: 0.82rem;
  color: var(--muted);
}

.phone-badge-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
}

.phone-mini {
  width: 68px;
  height: 112px;
  flex-shrink: 0;
  border-radius: 12px;
  border: 2px solid var(--accent);
  background: var(--card-alt);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 6px;
  text-align: center;
}

.phone-mini-top {
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--muted);
}

.phone-mini-cap {
  background: rgba(11, 13, 16, 0.88);
  color: #FFFFFF;
  font-size: 0.64rem;
  font-weight: 800;
  padding: 4px;
  border-radius: 6px;
  line-height: 1.15;
}

.phone-mini-cap span {
  color: #FF8640;
}

.section {
  padding: 36px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 22px;
}

.section-sub {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
}

.stat-item strong {
  display: block;
  font-size: 1.06rem;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-item span {
  font-size: 0.9rem;
  color: var(--muted);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.step-num {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent-link);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.demo-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.demo-placeholders {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.slot-916 {
  aspect-ratio: 9 / 16;
  border-radius: 12px;
  border: 1px dashed var(--border-strong);
  background: var(--card-alt);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--muted);
}

.slot-916 strong {
  color: var(--text);
  font-size: 0.82rem;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
  font-size: 0.94rem;
}

.compare-table th,
.compare-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--card-alt);
  color: var(--text);
  font-weight: 700;
}

.compare-table td {
  color: var(--muted);
}

.compare-table .col-usina {
  color: var(--text);
  font-weight: 700;
  background: rgba(255, 107, 26, 0.08);
}

.table-note {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.billing-toggle-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  margin-bottom: 20px;
}

.billing-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.billing-btn.is-active {
  background: var(--accent);
  color: var(--accent-text);
}

.save-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--success-bg);
  color: var(--success-text);
  font-size: 0.76rem;
  font-weight: 800;
}

.plan-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.plan-card.is-featured {
  border-color: var(--accent);
}

.plan-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.plan-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card-alt);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 700;
}

.plan-card.is-featured .plan-badge {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.price {
  font-size: 1.95rem;
  font-weight: 800;
  margin: 12px 0 4px;
  font-variant-numeric: tabular-nums;
}

.price small {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
}

.billing-sub {
  font-size: 0.86rem;
  color: var(--muted);
  min-height: 22px;
}

.list-clean {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.list-clean li {
  margin: 7px 0;
}

.soon-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  font-size: 0.74rem;
  font-weight: 700;
}

.plan-actions {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.cdc-note {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.notice-box {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-text);
  border-radius: 12px;
  padding: 15px 18px;
  margin: 0 0 20px;
  font-size: 0.94rem;
}

.req-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.req-box {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.req-box h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.cta-final {
  text-align: center;
  padding: 36px 24px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
}

.cta-final p {
  color: var(--muted);
  margin: 10px auto 0;
  max-width: 560px;
}

.legal-doc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin: 28px 0 48px;
  box-shadow: var(--shadow);
}

.legal-doc h2 {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.legal-doc h3 {
  margin-top: 18px;
}

.legal-doc p,
.legal-doc li {
  color: var(--muted);
}

.legal-doc strong {
  color: var(--text);
}

.legal-doc code,
.card code {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.88em;
  color: var(--accent-link);
}

details.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

details.faq-item:last-child {
  border-bottom: none;
}

details.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--text);
}

details.faq-item p {
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 42px;
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-grid,
  .demo-box {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 580px) {
  .stats-strip,
  .req-grid {
    grid-template-columns: 1fr;
  }

  .demo-placeholders {
    grid-template-columns: 1fr;
  }

  .slot-916 {
    aspect-ratio: auto;
    min-height: 110px;
  }
}