* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #05060a;
  color: #f5f5f7;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(5, 6, 10, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.logo {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo span {
  color: #4f46e5;
}

nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  opacity: 0.9;
}

nav a {
  position: relative;
  padding-bottom: 2px;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #4f46e5, #22d3ee);
  transition: width 0.2s ease;
}

nav a:hover::after {
  width: 100%;
}

.header-cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5, #22d3ee);
  color: #f9fafb;
  box-shadow: 0 10px 35px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.55);
  filter: brightness(1.05);
}

.btn-outline {
  background: transparent;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.7);
}

.btn-outline:hover {
  border-color: #e5e7eb;
  background: rgba(15, 23, 42, 0.8);
}

/* Hero */

.hero {
  padding: 72px 0 64px;
  background: radial-gradient(circle at top, #111827 0, #020617 52%);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 36px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #e5e7eb;
  margin-bottom: 18px;
}

.badge-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #f9fafb, #4ade80);
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.8);
}

.hero-title {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.hero-title span {
  background: linear-gradient(120deg, #38bdf8, #a855f7, #4ade80);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}


.hero-subtitle {
  max-width: 520px;
  font-size: 16px;
  color: #9ca3af;
  margin-bottom: 20px;
}

.hero-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  font-size: 14px;
  color: #d1d5db;
  margin-bottom: 22px;
}

.hero-list-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.hero-list-marker {
  margin-top: 4px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, #22c55e, #22d3ee);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.7);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.hero-note {
  font-size: 12px;
  color: #6b7280;
}

.hero-note strong {
  color: #e5e7eb;
  font-weight: 500;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  font-size: 13px;
  color: #9ca3af;
}

.metric {
  padding-right: 16px;
  border-right: 1px solid rgba(31, 41, 55, 0.9);
}

.metric:last-child {
  border-right: none;
  padding-right: 0;
}

.metric strong {
  display: block;
  font-size: 18px;
  color: #e5e7eb;
}

.hero-right {
  position: relative;
}

.hero-card {
  position: relative;
  padding: 20px 18px;
  border-radius: 18px;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), rgba(15, 23, 42, 1));
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow:
    0 25px 50px rgba(15, 23, 42, 0.9),
    0 0 0 1px rgba(15, 23, 42, 1);
  max-width: 360px;
  margin-left: auto;
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.hero-card-title {
  font-size: 14px;
  color: #e5e7eb;
  opacity: 0.9;
}

.hero-card-tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-card-main {
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
  color: #f9fafb;
}

.hero-card-main span {
  color: #22d3ee;
}

.hero-card-sub {
  font-size: 13px;
  color: #9ca3af;
  margin-bottom: 12px;
}

.hero-card-metrics {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 11px;
  color: #9ca3af;
}

.hero-card-metric strong {
  display: block;
  color: #e5e7eb;
  font-size: 14px;
}

.hero-card-orbit {
  position: absolute;
  inset: -40px -30px -40px -80px;
  z-index: -1;
  opacity: 0.65;
  background:
    radial-gradient(circle at 0 0, rgba(59, 130, 246, 0.4), transparent 55%),
    radial-gradient(circle at 100% 20%, rgba(244, 63, 94, 0.25), transparent 55%),
    radial-gradient(circle at 40% 100%, rgba(45, 212, 191, 0.24), transparent 55%);
  filter: blur(4px);
}

/* Section base */

section {
  padding: 60px 0;
  border-top: 1px solid rgba(15, 23, 42, 1);
  border-bottom: 1px solid rgba(15, 23, 42, 1);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  max-width: 640px;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #6b7280;
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 14px;
  color: #9ca3af;
}

/* Problem section */

.problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 32px;
  align-items: flex-start;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 6px;
}

.problem-item {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(31, 41, 55, 0.9);
  font-size: 13px;
  color: #d1d5db;
}

.problem-item span {
  font-size: 18px;
  line-height: 1;
  margin-top: -1px;
}

.problem-note {
  font-size: 13px;
  color: #6b7280;
  margin-top: 10px;
}

.problem-right-card {
  padding: 16px 16px 14px;
  border-radius: 16px;
  background: radial-gradient(circle at 0 0, rgba(59, 130, 246, 0.12), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(55, 65, 81, 0.9);
  font-size: 13px;
  color: #e5e7eb;
}

.problem-right-card strong {
  color: #f9fafb;
}

/* Methodology */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step {
  padding: 16px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(31, 41, 55, 0.95);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-index {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #e5e7eb;
  background: radial-gradient(circle at 30% 20%, #22d3ee, #4f46e5);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.7);
}

.step-title {
  font-size: 14px;
  font-weight: 500;
}

.step-text {
  color: #9ca3af;
}

/* Trust */

.trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 2.6fr);
  gap: 26px;
}

.trust-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
}

.trust-item strong {
  color: #e5e7eb;
}

.logos-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(31, 41, 55, 1);
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.logos-row span {
  color: #9ca3af;
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.trust-badge {
  padding: 12px 12px 10px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(31, 41, 55, 0.95);
  font-size: 12px;
  color: #9ca3af;
}

.trust-badge strong {
  display: block;
  margin-bottom: 4px;
  color: #e5e7eb;
}

/* Cases */

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case {
  padding: 16px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(31, 41, 55, 0.95);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-tag {
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.case-title {
  font-size: 14px;
  font-weight: 500;
  color: #e5e7eb;
}

.case-result {
  font-size: 13px;
  color: #22c55e;
}

.case-text {
  color: #9ca3af;
}

/* Offer */

.offer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.6fr) minmax(0, 2.2fr);
  gap: 26px;
  align-items: flex-start;
}

.offer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
  font-size: 13px;
  color: #d1d5db;
}

.offer-item {
  display: flex;
  gap: 8px;
}

.offer-item span {
  color: #22d3ee;
  font-size: 14px;
  margin-top: 1px;
}

.offer-note {
  font-size: 12px;
  color: #6b7280;
  margin-top: 8px;
}

.offer-card {
  padding: 18px 16px;
  border-radius: 18px;
  background: radial-gradient(circle at 0 0, rgba(37, 99, 235, 0.24), rgba(15, 23, 42, 0.96));
  border: 1px solid rgba(37, 99, 235, 0.7);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.9);
}

.offer-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.offer-card-sub {
  font-size: 13px;
  color: #e5e7eb;
  margin-bottom: 14px;
}

.offer-price {
  font-size: 13px;
  color: #9ca3af;
  margin-bottom: 10px;
}

.offer-price strong {
  font-size: 20px;
  color: #f9fafb;
  margin-right: 4px;
}

.offer-cta-note {
  font-size: 11px;
  color: #9ca3af;
  margin-top: 8px;
}

/* Form */

.form-section {
  background: radial-gradient(circle at top, #020617, #020617 52%);
  border-top: 1px solid rgba(15, 23, 42, 1);
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.3fr) minmax(0, 2.1fr);
  gap: 28px;
  align-items: flex-start;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 16px 16px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(31, 41, 55, 0.95);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
}

label {
  color: #e5e7eb;
}

input,
textarea {
  width: 100%;
  padding: 8px 9px;
  border-radius: 10px;
  border: 1px solid rgba(55, 65, 81, 0.95);
  background: rgba(15, 23, 42, 0.96);
  color: #e5e7eb;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  resize: vertical;
  min-height: 38px;
}

input:focus,
textarea:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
  background: rgba(15, 23, 42, 1);
}

textarea {
  min-height: 80px;
  max-height: 200px;
}

.form-hint {
  font-size: 11px;
  color: #6b7280;
}

.form-footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.form-privacy {
  font-size: 11px;
  color: #6b7280;
}

.form-status {
  font-size: 12px;
  color: #22c55e;
  min-height: 16px;
}

.form-status.error {
  color: #f97373;
}

.form-aside {
  font-size: 13px;
  color: #9ca3af;
}

.form-aside strong {
  color: #e5e7eb;
}

.form-aside-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-aside-item {
  display: flex;
  gap: 8px;
}

.form-aside-item span {
  font-size: 15px;
  margin-top: -1px;
  color: #22d3ee;
}

/* Final trust */

.final {
  padding: 28px 0 34px;
  font-size: 13px;
  color: #6b7280;
}

.final-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.final-main strong {
  color: #e5e7eb;
}

.final-cta a {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

/* Responsive */

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-right {
    order: -1;
  }

  .hero-card {
    margin: 0 auto;
  }

  .problem-grid,
  .steps-grid,
  .trust-grid,
  .cases-grid,
  .offer-grid,
  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps-grid,
  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 44px;
  }

  .hero-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps-grid,
  .cases-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .trust-badges {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    max-width: 100%;
  }

  header {
    position: static;
  }
}
