/* Design tokens — gora-academy style + Timberlock accent */
:root {
  --color-primary: #3c9df2;
  --color-primary-dark: #223f58;
  --color-primary-light: #5fa8fd;
  --color-accent: #83b81d;
  --color-accent-dark: #6a9a17;
  --color-urgent: #fe6a00;
  --color-bg: #ffffff;
  --color-bg-alt: #f2f9ff;
  --color-bg-muted: #f6f6f6;
  --color-surface: #ffffff;
  --color-text: #172a3a;
  --color-text-muted: #50606e;
  --color-text-light: #5e7a92;
  --color-border: #d6ecff;
  --color-shadow: rgba(23, 42, 58, 0.08);
  --color-shadow-lg: rgba(23, 42, 58, 0.12);

  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  --container: 1200px;
  --header-h: 72px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-primary-dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: 1.125rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(60, 157, 242, 0.35);
}

.btn--primary:hover {
  color: #fff;
  box-shadow: 0 12px 32px rgba(60, 157, 242, 0.45);
}

.btn--secondary {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-border);
  color: var(--color-primary-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn--lg {
  padding: 18px 36px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn--full {
  width: 100%;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.logo span {
  color: var(--color-accent);
}

.nav {
  display: flex;
  gap: var(--space-md);
}

.nav a {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
}

.nav a:hover {
  color: var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__phone {
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 15px;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-bg);
  padding: var(--space-lg);
  z-index: 99;
  overflow-y: auto;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.mobile-menu__phone {
  margin-top: var(--space-md);
  font-size: 1.125rem !important;
  color: var(--color-primary) !important;
}

/* Hero — Attention */
.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 70%);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(131, 184, 29, 0.12);
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.hero__lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: var(--space-md) 0 var(--space-lg);
  max-width: 540px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.hero__stats li {
  display: flex;
  flex-direction: column;
}

.hero__stats strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.hero__stats span {
  font-size: 14px;
  color: var(--color-text-light);
}

.hero__visual {
  position: relative;
  min-height: 360px;
}

.hero__card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px var(--color-shadow-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.hero__card--main {
  position: relative;
  z-index: 1;
}

.hero__card-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  max-width: calc(100% - 140px);
}

.hero__card--main p {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.hero__price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent);
}

.hero__card--float {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  border: none;
  z-index: 2;
  width: max-content;
  box-shadow: 0 12px 32px rgba(34, 63, 88, 0.3);
}

.hero__card--float span {
  display: block;
  font-size: 13px;
  opacity: 0.85;
}

.hero__card--float strong {
  font-size: 1.5rem;
  font-weight: 800;
}

/* Benefits strip */
.benefits-strip {
  padding: var(--space-lg) 0;
  background: var(--color-primary-dark);
  color: #fff;
}

.benefits-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.benefit-pill {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.benefit-pill__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.benefit-pill strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.benefit-pill p {
  font-size: 13px;
  opacity: 0.8;
  line-height: 1.4;
}

/* Sections */
.section {
  padding: var(--space-2xl) 0;
}

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

.section--cta-mid {
  padding: var(--space-lg) 0;
}

.section--contact {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg-muted) 100%);
}

.section__head {
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.section__head p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.section__head--row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Catalog */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.catalog-card {
  display: block;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--color-shadow);
  border-color: var(--color-primary-light);
  color: inherit;
}

.catalog-card__count {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(131, 184, 29, 0.12);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: var(--space-sm);
}

.catalog-card h3 {
  margin-bottom: var(--space-xs);
}

.catalog-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.step-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.step-card__num {
  display: inline-block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-light);
  opacity: 0.5;
  margin-bottom: var(--space-sm);
}

.step-card h3 {
  margin-bottom: var(--space-xs);
}

.step-card p {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition);
}

.product-card:hover {
  box-shadow: 0 16px 40px var(--color-shadow);
}

.product-card__tags {
  display: flex;
  gap: 8px;
  margin-bottom: var(--space-sm);
}

.tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 6px;
}

.tag--sale {
  background: #fff0e8;
  color: var(--color-urgent);
}

.tag--hit {
  background: rgba(131, 184, 29, 0.15);
  color: var(--color-accent-dark);
}

.tag--new {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.product-card__image {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.product-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
  flex-grow: 1;
}

.product-card__meta {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: auto;
}

.product-card__price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.product-card__price--old {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  text-decoration: line-through;
  display: block;
}

.product-card__prices {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-card__discount {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-urgent);
}

/* CTA banner */
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #172a3a 50%, var(--color-primary) 100%);
  border-radius: var(--radius-xl);
  color: #fff;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: var(--space-sm);
}

.cta-banner p {
  opacity: 0.9;
  max-width: 520px;
}

.cta-banner .btn--primary {
  flex-shrink: 0;
  background: var(--color-accent);
  box-shadow: 0 8px 24px rgba(131, 184, 29, 0.4);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.stat-card__value {
  display: block;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  font-size: 15px;
  color: var(--color-text-muted);
}

.about-text {
  max-width: 720px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.about-text .btn {
  margin-top: var(--space-sm);
}

/* FAQ */
.faq-list {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--color-primary-dark);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-text-muted);
  font-size: 15px;
}

.faq-cta {
  margin-top: var(--space-lg);
  color: var(--color-text-muted);
}

.faq-cta a {
  font-weight: 600;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-sm);
}

.contact-info > p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.contact-info__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info__list strong {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-info__list span,
.contact-info__list a {
  color: var(--color-primary-dark);
  font-weight: 500;
}

.contact-form {
  background: var(--color-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 64px var(--color-shadow);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.contact-form input[type="text"],
.contact-form input[type="tel"] {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(60, 157, 242, 0.2);
}

.checkbox {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 12px !important;
  font-size: 13px !important;
}

.checkbox input {
  margin-top: 4px;
  accent-color: var(--color-primary);
}

.form-note {
  text-align: center;
  color: var(--color-accent-dark);
  font-weight: 600;
  padding: var(--space-sm);
  background: rgba(131, 184, 29, 0.1);
  border-radius: var(--radius-sm);
}

/* Footer */
.footer {
  padding: var(--space-xl) 0;
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

.footer .logo {
  color: #fff;
  justify-content: center;
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.footer p {
  font-size: 14px;
  margin-bottom: var(--space-xs);
}

.footer__copy {
  opacity: 0.6;
  font-size: 13px;
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  padding: 14px 24px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  border-radius: 100px;
  box-shadow: 0 8px 32px rgba(131, 184, 29, 0.5);
  text-decoration: none;
  transition: transform var(--transition);
}

.floating-cta:hover {
  color: #fff;
  transform: scale(1.05);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: 280px;
  }

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

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

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

@media (max-width: 768px) {
  .nav,
  .header__phone {
    display: none;
  }

  .burger {
    display: flex;
  }

  .benefits-strip__grid,
  .catalog-grid,
  .products-grid,
  .steps-grid,
  .stats-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg);
  }

  .section__head--row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__card--float {
    top: 12px;
    right: 12px;
    padding: 10px 16px;
  }

  .hero__card--float strong {
    font-size: 1.25rem;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}