:root {
  --bg: #f6f9ff;
  --bg2: #ffffff;
  --surface: #ffffff;
  --surface-2: #f1f6ff;
  --border: #d8e4ff;
  --text: #0a1b3f;
  --muted: #496392;
  --blue-900: #0b1f55;
  --blue-700: #1f4fd1;
  --blue-600: #2a64ff;
  --blue-100: #e8f0ff;
  --shadow: 0 18px 40px rgba(14, 53, 141, 0.12);
  --shadow-soft: 0 10px 26px rgba(14, 53, 141, 0.09);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1000px;
  --header-h: 64px;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  padding-top: var(--header-h);
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 55%, var(--bg) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
}

.skip-link:focus {
  left: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==================== HEADER ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 26px rgba(14, 53, 141, 0.08);
}

section {
  scroll-margin-top: calc(var(--header-h) + 14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
  position: relative;
}

.logo {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 20px;
  color: var(--blue-900);
}

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

.logo-dot {
  color: var(--blue-700);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  justify-content: flex-end;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  outline: none;
  background: var(--blue-100);
  border-color: var(--border);
}

.nav-toggle-bars {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue-900);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue-900);
}

.nav-toggle-bars::before {
  top: -6px;
}

.nav-toggle-bars::after {
  top: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header-nav.is-open .nav-toggle-bars {
  background: transparent;
}

.header-nav.is-open .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.header-nav.is-open .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.header-nav.is-open .nav-toggle-bars::before,
.header-nav.is-open .nav-toggle-bars::after {
  transition: transform 160ms ease, top 160ms ease;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  transition: transform 160ms ease, top 160ms ease, background 160ms ease;
}

.nav-link {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
  background: transparent;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--blue-900);
  border-color: var(--border);
  background: var(--blue-100);
  outline: none;
}

.nav-cta {
  color: var(--blue-900);
  border-color: var(--border);
  background: var(--surface);
}

.lang-switcher {
  display: flex;
  gap: 4px;
}

.lang-btn {
  background: none;
  border: 1px solid transparent;
  cursor: pointer;
  padding: 6px 10px;
  font-weight: 500;
  font-size: 13px;
  color: var(--muted);
  border-radius: 999px;
  transition: all 0.2s;
}

.lang-btn:hover {
  color: var(--blue-900);
  background: var(--blue-100);
  border-color: var(--border);
}

.lang-btn.active {
  color: var(--blue-900);
  background: var(--blue-100);
  border-color: var(--border);
  font-weight: 600;
}

/* ==================== HERO ==================== */
.hero {
  padding: 56px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: start;
}

.hero-title {
  margin: 0 0 14px;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--blue-900);
}

.hero-subtitle {
  margin: 0 0 20px;
  font-size: 18px;
  max-width: 58ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--blue-900);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid rgba(42, 100, 255, 0.35);
  outline-offset: 2px;
}

.btn:hover {
  background: var(--blue-100);
  border-color: var(--border);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary {
  background: linear-gradient(180deg, #2f6bff 0%, #1f4fd1 100%);
  border-color: rgba(31, 79, 209, 0.35);
  color: #ffffff;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #2a64ff 0%, #1d49bf 100%);
}

.btn-secondary,
.btn-outline {
  background: var(--surface);
  border-color: var(--border);
}

.btn-secondary:hover,
.btn-outline:hover {
  background: var(--blue-100);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 44px 0;
}

.section-muted {
  background: linear-gradient(180deg, rgba(232, 240, 255, 0.55) 0%, rgba(255, 255, 255, 0.8) 100%);
  border-top: 1px solid rgba(216, 228, 255, 0.7);
  border-bottom: 1px solid rgba(216, 228, 255, 0.7);
}

.section-head {
  margin-bottom: 18px;
}

.section-title {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--blue-900);
}

.section-lead {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

/* ==================== CARDS ==================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card-title {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--blue-900);
}

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

.card-header {
  margin-bottom: 1.5rem;
}

.card-footer {
  margin-top: 1.5rem;
}

/* ==================== PRICING ==================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.pricing-card {
  position: relative;
  overflow: hidden;
}

.pricing-title {
  margin: 0;
  font-size: 18px;
  color: var(--blue-900);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 10px 0 12px;
}

.pricing-amount {
  font-weight: 850;
  letter-spacing: -0.03em;
  color: var(--blue-900);
  font-size: 34px;
  line-height: 1.05;
}

.pricing-period {
  color: var(--muted);
  font-weight: 650;
}

.pricing-subtitle {
  margin: 0 0 16px;
  font-weight: 600;
  color: var(--muted);
  font-size: 14px;
}

.pricing-list,
.features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.pricing-list li,
.features-list li {
  position: relative;
  padding-left: 18px;
}

.pricing-list li::before,
.features-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--blue-700);
  font-weight: bold;
}

.pricing-card--featured,
.card.featured {
  border-color: rgba(42, 100, 255, 0.55);
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, rgba(232, 240, 255, 0.75) 0%, rgba(255, 255, 255, 1) 55%);
  transform: translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
  color: #ffffff;
  background: linear-gradient(180deg, #2f6bff 0%, #1f4fd1 100%);
  border: 1px solid rgba(31, 79, 209, 0.35);
}

.pricing-footnote {
  margin: 14px 0 0;
}

.price-tag {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--blue-900);
}

.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  font-style: italic;
}

/* ==================== FORMS ==================== */
.field {
  display: grid;
  gap: 6px;
  margin: 0 0 12px;
}

.field-label {
  font-size: 13px;
  color: var(--muted);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--blue-900);
  font-size: 14px;
}

.form-group input,
.input,
input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
  transition: all 0.15s ease;
}

.form-group input:focus,
.input:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(42, 100, 255, 0.15);
}

.select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-size: 14px;
  line-height: 1.2;
}

.select:focus-visible {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(42, 100, 255, 0.15);
}

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

.textarea {
  width: 100%;
  min-height: 106px;
  resize: vertical;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
}

.textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(42, 100, 255, 0.15);
}

/* ==================== ALERTS ==================== */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 14px;
}

.alert-success {
  background: linear-gradient(180deg, #d1fae5 0%, #ecfdf5 100%);
  border: 1px solid #10b981;
  color: #065f46;
}

.alert-warning {
  background: linear-gradient(180deg, #fef3c7 0%, #fffbeb 100%);
  border: 1px solid #f59e0b;
  color: #92400e;
}

.alert-error {
  background: linear-gradient(180deg, #fee2e2 0%, #fef2f2 100%);
  border: 1px solid #f87171;
  color: #991b1b;
}

/* ==================== FOOTER ==================== */
.site-footer {
  padding: 30px 0 40px;
  margin-top: 40px;
}

.footer-inner {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: start;
}

.footer-brand {
  max-width: 280px;
}

.footer-logo {
  margin-bottom: 10px;
}

.footer-contact {
  text-align: left;
}

.footer-contact p {
  margin: 0;
  line-height: 1.8;
}

.footer-contact a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: rgba(73, 99, 146, 0.3);
  text-underline-offset: 2px;
  transition: all 0.15s ease;
}

.footer-contact a:hover {
  color: var(--blue-900);
  text-decoration-color: var(--blue-700);
}

.footer-legal {
  text-align: right;
}

.footer-legal p {
  margin: 0;
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ==================== UTILITIES ==================== */
.text-center {
  text-align: center;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.italic {
  font-style: italic;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 2rem;
  color: var(--blue-900);
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--blue-900);
}

/* ==================== AUTH PAGES ==================== */
.auth-container {
  max-width: 420px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.auth-container .card {
  padding: 2rem;
}

/* ==================== PAYMENT PAGES ==================== */
.payment-container {
  max-width: 500px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.payment-option {
  display: block;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  cursor: pointer;
  background: var(--surface);
}

.payment-option:hover {
  border-color: var(--blue-600);
  background: var(--blue-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.payment-option.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.payment-option h3 {
  margin: 0 0 0.5rem 0;
  color: var(--blue-900);
}

.payment-option p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.price-summary {
  background: linear-gradient(180deg, var(--blue-100) 0%, var(--surface) 100%);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
  text-align: center;
  border: 1px solid var(--border);
}

.price-summary .amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue-900);
  letter-spacing: -0.03em;
}

.terms-section {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.terms-section h3 {
  font-size: 0.95rem;
  margin: 0 0 1rem 0;
  color: var(--blue-900);
}

.terms-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.terms-checkbox:last-child {
  margin-bottom: 0;
}

.terms-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--blue-600);
  cursor: pointer;
  flex-shrink: 0;
}

.terms-checkbox label {
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
  line-height: 1.4;
}

.terms-checkbox label a {
  color: var(--blue-600);
  text-decoration: none;
}

.terms-checkbox label a:hover {
  text-decoration: underline;
}

.terms-checkbox .required {
  color: #dc2626;
}

/* ==================== DASHBOARD ==================== */
.dashboard-container {
  max-width: 600px;
  margin: 2rem auto;
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.status-badge.active {
  background: #d1fae5;
  color: #065f46;
}

.status-badge.inactive {
  background: var(--surface-2);
  color: var(--muted);
}

/* ==================== EDITOR ==================== */
.editor-container {
  max-width: 800px;
  margin: 2rem auto;
  min-height: 60vh;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* ==================== MODALS ==================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 31, 85, 0.4);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--surface);
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--blue-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
  padding: 0;
  line-height: 1;
  transition: color 0.15s ease;
}

.modal-close:hover {
  color: var(--blue-900);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  line-height: 1.7;
  color: var(--text);
}

.modal-body h3 {
  margin: 1.5rem 0 0.75rem 0;
  font-size: 1.1rem;
  color: var(--blue-900);
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  margin: 0 0 1rem 0;
}

.modal-body ul {
  margin: 0 0 1rem 0;
  padding-left: 1.25rem;
}

.modal-body li {
  margin-bottom: 0.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  text-align: right;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-legal {
    text-align: left;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 8px 0;
  }

  .header-inner {
    padding: 10px 0;
  }

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

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

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

  .nav-links .nav-link {
    display: block;
    width: 100%;
    border-color: var(--border);
    background: rgba(232, 240, 255, 0.35);
  }

  .nav-links .nav-link:hover,
  .nav-links .nav-link:focus-visible {
    background: rgba(232, 240, 255, 0.7);
  }

  .nav-cta {
    white-space: nowrap;
  }

  .lang-switcher {
    display: none;
  }

  .header-nav.is-open .lang-switcher {
    display: flex;
    justify-content: center;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
  }
}

@media (max-width: 520px) {
  .header-inner {
    padding: 10px 0;
  }

  .header-nav {
    padding-bottom: 0;
  }

  .nav-cta {
    padding: 7px 12px;
    font-size: 13px;
  }

  .hero-title {
    font-size: 32px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .container {
    padding: 0 16px;
  }

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