:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f7f9;
  --bg-dark: #0b0d10;
  --text-primary: #101216;
  --text-secondary: #5f6672;
  --text-muted: #6f7681;
  --border: #e7e9ed;
  --accent: #111111;
  --accent-hover: #2a2a2a;
  --success: #16834b;
  --error: #c0392b;
  --max-width: 1200px;
}

html {
  scroll-padding-top: 88px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3 {
  font-family: Manrope, Inter, system-ui, sans-serif;
  line-height: 1.1;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

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

@media (min-width: 640px) {
  .container { padding-inline: 28px; }
}

@media (min-width: 1024px) {
  .container { padding-inline: 40px; }
}

.section {
  padding-block: 64px;
}

@media (min-width: 1024px) {
  .section { padding-block: 100px; }
}

.section--secondary {
  background: var(--bg-secondary);
}

.section--dark {
  background: var(--bg-dark);
  color: #fff;
}

.eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.section--dark .eyebrow {
  color: #9ba1ab;
}

h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 16px;
}

@media (min-width: 1024px) {
  h1 { font-size: 64px; }
}

h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

@media (min-width: 1024px) {
  h2 { font-size: 42px; }
}

h2.product-heading {
  font-size: 28px;
}

@media (min-width: 1024px) {
  h2.product-heading { font-size: 36px; }
}

h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 8px;
}

@media (min-width: 1024px) {
  h3 { font-size: 24px; }
}

.body-lg {
  font-size: 17px;
}

@media (min-width: 1024px) {
  .body-lg { font-size: 19px; }
}

p {
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding-inline: 24px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease;
}

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

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

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: var(--bg-secondary);
}

.btn--block {
  width: 100%;
  justify-content: center;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: Manrope, sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
}

.nav__links {
  display: none;
  gap: 32px;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
}

.nav__links a {
  text-decoration: none;
}

@media (min-width: 1024px) {
  .nav__links { display: flex; }
}

.nav__cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav__cta { display: inline-flex; height: 40px; padding-inline: 18px; font-size: 14px; }
}

.hero {
  display: grid;
  gap: 40px;
  align-items: center;
  padding-block: 64px;
}

@media (min-width: 1024px) {
  .hero {
    grid-template-columns: 48% 52%;
    min-height: 680px;
    padding-block: 0;
  }
}

.hero__content {
  max-width: 520px;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.hero__visual img {
  border-radius: 24px;
  width: 100%;
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}

@media (min-width: 1024px) {
  .trust-bar { grid-template-columns: repeat(4, 1fr); }
}

.trust-bar__item {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.product-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  min-height: 560px;
  transition: transform 250ms ease, box-shadow 250ms ease;
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(16, 18, 22, 0.08);
}

.product-card__image-wrap {
  height: 320px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.product-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 250ms ease;
}

.product-card:hover .product-card__image-wrap img {
  transform: scale(1.03);
}

.product-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__category {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.product-card__price {
  font-weight: 700;
  margin-top: 12px;
  color: var(--text-primary);
}

.product-card__link {
  margin-top: auto;
  padding-top: 20px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.product-card__link svg {
  transition: transform 250ms ease;
}

.product-card:hover .product-card__link svg {
  transform: translateX(4px);
}

.card-row {
  display: grid;
  gap: 32px;
  margin-top: 48px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-row { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .card-row--3 { grid-template-columns: repeat(3, 1fr); }
  .card-row--4 { grid-template-columns: repeat(4, 1fr); }
}

.card-row__index {
  font-family: Manrope, sans-serif;
  font-weight: 800;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.spotlight {
  display: grid;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1024px) {
  .spotlight { grid-template-columns: 1fr 1fr; }
}

.spotlight img {
  border-radius: 20px;
}

.spotlight__benefits {
  list-style: none;
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.cta-bridge {
  text-align: center;
}

.cta-bridge h2 {
  color: #fff;
}

.cta-bridge p {
  color: #9ba1ab;
  max-width: 480px;
  margin: 0 auto 32px;
}

.footer {
  border-top: 1px solid var(--border);
  padding-block: 64px;
}

.footer__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
}

.footer__heading {
  font-weight: 700;
  margin-bottom: 12px;
}

.footer__links {
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.footer__links a {
  text-decoration: none;
  color: var(--text-secondary);
}

.footer__bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.ps-grid {
  display: grid;
  gap: 32px;
  margin-top: 40px;
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .ps-grid { grid-template-columns: repeat(3, 1fr); }
}

.ps-block__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
}

.spec-table th, .spec-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.spec-table th {
  color: var(--text-muted);
  font-weight: 600;
  width: 40%;
}

.testimonial-grid {
  display: grid;
  gap: 24px;
  margin-top: 32px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}

.testimonial-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.testimonial-card__source {
  font-weight: 700;
  font-size: 14px;
  margin-top: 12px;
  color: var(--text-primary);
}

.testimonial-card__caption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

#lead-form {
  max-width: 560px;
}

.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
}

.form-field textarea {
  height: auto;
  min-height: 120px;
  padding: 16px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form-field__error {
  color: var(--error);
  font-size: 13px;
  margin-top: 6px;
  display: block;
}

.form-errors {
  color: var(--error);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form-errors:empty {
  display: none;
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.thank-you {
  text-align: center;
  padding: 40px;
}

.faq details {
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 17px;
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  background: #fff;
  border-top: 1px solid var(--border);
}

@media (min-width: 1024px) {
  .sticky-cta { display: none; }
}

@media (max-width: 1023px) {
  body {
    padding-bottom: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.flow-diagram {
  text-align: center;
  margin-top: 48px;
}

.flow-diagram__step {
  display: inline-block;
  padding: 14px 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-weight: 600;
}

.flow-diagram__arrow {
  font-size: 20px;
  color: var(--text-muted);
  margin: 8px 0;
}

.price-block {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.price-block__price {
  font-family: Manrope, sans-serif;
  font-weight: 800;
  font-size: 48px;
  margin: 16px 0 4px;
}

.price-block__list {
  list-style: none;
  margin: 24px 0 32px;
  display: grid;
  gap: 12px;
  text-align: left;
}
