:root {
  --blue: #1f6fff;
  --blue-dark: #0f2d66;
  --blue-soft: #eaf1ff;
  --white: #ffffff;
  --gray-50: #f7f9fc;
  --gray-100: #edf1f7;
  --gray-300: #c9d2e3;
  --gray-600: #5a6880;
  --gray-800: #1f2a3d;
  --green: #12b886;
  --shadow: 0 10px 30px rgba(18, 45, 102, 0.1);
  --radius: 16px;
}

[data-theme="dark"] {
  --blue: #5f97ff;
  --blue-dark: #dbe6ff;
  --blue-soft: #1f2b45;
  --white: #101828;
  --gray-50: #0b1220;
  --gray-100: #1b2436;
  --gray-300: #3b4863;
  --gray-600: #b2bfd8;
  --gray-800: #e8eefb;
  --green: #2dd4a2;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Nunito Sans", system-ui, sans-serif;
  color: var(--gray-800);
  background: linear-gradient(180deg, var(--gray-50), #fff 20%);
  line-height: 1.5;
}

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

.section {
  padding: 88px 0;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--blue-dark);
  margin-bottom: 14px;
}

.section-subtitle {
  color: var(--gray-600);
  max-width: 760px;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: 0.25s ease;
  font-size: 0.96rem;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #1661e2;
}

.btn-secondary {
  background: #e8fff8;
  color: #0c7f5a;
  border: 1px solid #b8f0dd;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: #d8fff2;
}

.theme-toggle {
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--gray-800);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.25s ease;
}

.theme-toggle:hover {
  border-color: var(--blue);
  color: var(--blue);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 800;
  color: var(--blue-dark);
  letter-spacing: 0.2px;
  font-size: 1.12rem;
  text-decoration: none;
}

.brand span {
  color: var(--blue);
}

.menu {
  display: flex;
  gap: 22px;
  align-items: center;
  list-style: none;
}

.menu a {
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 600;
  font-size: 0.95rem;
}

.menu a:hover {
  color: var(--blue);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
}

.mobile-toggle span,
.mobile-toggle span::before,
.mobile-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blue-dark);
  margin: auto;
  position: relative;
}

.mobile-toggle span::before {
  position: absolute;
  top: -7px;
}

.mobile-toggle span::after {
  position: absolute;
  top: 7px;
}

.hero {
  padding: 98px 0 72px;
  background: radial-gradient(circle at 88% 20%, #dce9ff 0%, transparent 38%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.16;
  color: var(--blue-dark);
  margin-bottom: 18px;
}

.hero p {
  color: var(--gray-600);
  margin-bottom: 26px;
  max-width: 600px;
}

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

.mockup {
  background: #fff;
  border-radius: 22px;
  padding: 18px;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow);
}

.mockup-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--gray-600);
  font-size: 0.88rem;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.stat {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 14px;
}

.stat h4 {
  font-size: 0.82rem;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.stat strong {
  font-size: 1.25rem;
  color: var(--blue-dark);
}

.pain-list,
.solution-list {
  display: grid;
  gap: 14px;
}

.pain-item,
.solution-item {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 8px 20px rgba(10, 35, 89, 0.05);
}

.pain-item::before,
.solution-item::before {
  content: "•";
  color: var(--blue);
  font-size: 1.5rem;
  margin-right: 8px;
}

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

.card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 8px 24px rgba(15, 45, 102, 0.06);
  transition: 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(15, 45, 102, 0.13);
}

.icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.card h3 {
  color: var(--blue-dark);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

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

.step {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
}

.step .num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto 10px;
  font-weight: 700;
}

.authority {
  background: linear-gradient(135deg, #f5f9ff, #ffffff);
  border: 1px solid var(--gray-100);
  border-radius: 20px;
  padding: 26px;
}

.authority ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.authority li {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--blue-dark);
  font-weight: 700;
}

.pricing-wrap {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 14px;
}

.pricing-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  overflow: hidden;
}

.pricing-table th,
.pricing-table td {
  text-align: center;
  padding: 12px 10px;
  border-bottom: 1px solid var(--gray-100);
  border-right: 1px solid var(--gray-100);
}

.pricing-table th:last-child,
.pricing-table td:last-child {
  border-right: none;
}

.pricing-table thead th {
  background: #f0f5ff;
  color: var(--blue-dark);
  font-weight: 800;
}

.pricing-table tbody tr:nth-child(even) {
  background: #fbfcff;
}

.pricing-table tbody td:first-child {
  font-weight: 800;
  color: var(--blue-dark);
}

.annual-highlight {
  color: #0f7f5b;
  font-weight: 800;
  background: #ecfff8;
}

.pricing-note {
  margin: 14px 0 16px;
  color: var(--gray-600);
}

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

.price-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(15, 45, 102, 0.06);
  position: relative;
}

.price-header {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  text-align: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  background: linear-gradient(90deg, #1f6fff, #2f7bff);
  border-radius: 22px 22px 0 0;
  padding: 10px 0;
}

.price-header.light {
  background: #e7eefb;
  color: var(--blue-dark);
}

.price-tag {
  display: inline-block;
  background: #edf3ff;
  color: #215bd6;
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  margin-bottom: 12px;
}

.price-card h3 {
  color: var(--blue-dark);
  font-size: 1.9rem;
  margin: 10px 0 4px;
}

.price-card p {
  color: var(--gray-600);
  margin-bottom: 18px;
}

.price-card small {
  display: block;
  color: #7c889d;
  text-decoration: line-through;
  margin-bottom: 4px;
}

.price-value {
  color: var(--blue-dark);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.1;
}

.price-value span {
  font-size: 1.05rem;
  color: var(--gray-600);
  font-weight: 500;
}

.price-bonus {
  display: block;
  color: #0f7f5b;
  margin: 10px 0 18px;
  font-size: 0.95rem;
}

.btn-outline {
  width: 100%;
  border: 1.5px solid #4b7cff;
  color: #285fe1;
  background: #fff;
}

.btn-outline:hover {
  background: #edf3ff;
}

.featured {
  border: 2px solid #2d73ff;
  padding-top: 56px;
}

.recommended {
  padding-top: 56px;
}

.lead-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
  align-items: stretch;
}

.lead-info,
.form-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.lead-info p {
  color: var(--gray-600);
  margin-top: 10px;
}

.trust {
  margin-top: 16px;
  padding: 12px;
  border-radius: 12px;
  background: #f1fff9;
  color: #0f7f5b;
  border: 1px solid #c3f1de;
  font-weight: 600;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  display: block;
  color: var(--blue-dark);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  padding: 12px;
  font: inherit;
  color: var(--gray-800);
  background: #fff;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px #e6efff;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.error {
  font-size: 0.82rem;
  color: #d6336c;
  margin-top: 6px;
  display: none;
}

.success-message {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #ebfff8;
  border: 1px solid #b8f0dd;
  color: #0f7f5b;
  font-weight: 700;
  display: none;
}

.final-cta {
  text-align: center;
  background: linear-gradient(180deg, #f8fbff, #fff);
  border: 1px solid var(--gray-100);
  border-radius: 20px;
  padding: 34px;
}

.final-cta h2 {
  color: var(--blue-dark);
  margin-bottom: 12px;
}

footer {
  padding: 30px 0;
  background: #f4f7fc;
  border-top: 1px solid var(--gray-100);
  margin-top: 60px;
}

.foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--gray-600);
}

.foot a {
  text-decoration: none;
  color: var(--blue-dark);
  font-weight: 600;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: 0.6s ease;
}

.reveal.show {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .hero-grid,
  .lead-wrap {
    grid-template-columns: 1fr;
  }

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

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

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

  .menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 78px;
    background: #fff;
    border-bottom: 1px solid var(--gray-100);
    flex-direction: column;
    padding: 16px;
    gap: 14px;
    display: none;
  }

  .menu.open {
    display: flex;
  }

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

  .desktop-cta {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 68px 0;
  }

  .cards,
  .steps,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .pricing-wrap {
    padding: 16px;
  }
}

[data-theme="dark"] body {
  background: linear-gradient(180deg, var(--gray-50), #111a2e 20%);
}

[data-theme="dark"] header {
  background: rgba(16, 24, 40, 0.9);
}

[data-theme="dark"] .hero {
  background: radial-gradient(circle at 88% 20%, #1b305a 0%, transparent 42%);
}

[data-theme="dark"] .mockup,
[data-theme="dark"] .pain-item,
[data-theme="dark"] .solution-item,
[data-theme="dark"] .card,
[data-theme="dark"] .step,
[data-theme="dark"] .authority li,
[data-theme="dark"] .price-card,
[data-theme="dark"] .lead-info,
[data-theme="dark"] .form-card,
[data-theme="dark"] .btn-outline,
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea,
[data-theme="dark"] .menu {
  background: var(--white);
}

[data-theme="dark"] .authority {
  background: linear-gradient(135deg, #111c31, #0d1526);
}

[data-theme="dark"] .price-tag {
  background: #1a2a49;
  color: #a8c5ff;
}

[data-theme="dark"] .price-card.recommended {
  background: #121b2e;
  border-color: #2b3c61;
}

[data-theme="dark"] .price-card.recommended .price-header.light {
  background: #223252;
  color: #dbe6ff;
}

[data-theme="dark"] .annual-highlight {
  background: #143329;
}

[data-theme="dark"] footer {
  background: #0a101d;
}

@media (max-width: 980px) {
  .theme-toggle {
    margin-left: auto;
  }
}