/* Agenova marketing site — токены из ТЗ §4.2 (+ запасные границы без oklch для старых браузеров) */
:root {
  --color-bg: #f7f5f0;
  --color-surface: #faf8f4;
  --color-surface-2: #fdfcfa;
  --color-surface-offset: #f0ede8;
  --color-text: #1e1c16;
  --color-text-muted: #6b6a66;
  --color-text-faint: #b5b3ae;
  --color-primary: #0b6e73;
  --color-primary-hover: #085459;
  --color-primary-active: #053b3f;
  --color-primary-highlight: #c8dcda;
  --color-secondary: #c4922a;
  --color-success: #3d7a25;
  --color-error: #a12847;
  --color-warning: #944018;
  --color-border: rgba(30, 28, 22, 0.12);
  --color-divider: rgba(30, 28, 22, 0.08);
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(30, 28, 22, 0.06);
  --shadow-md: 0 6px 20px rgba(30, 28, 22, 0.08);
  --shadow-lg: 0 16px 48px rgba(30, 28, 22, 0.1);
  --header-h: 64px;
  --container: 1120px;
}

[data-theme="dark"] {
  --color-bg: #121410;
  --color-surface: #1a1814;
  --color-surface-2: #222018;
  --color-surface-offset: #0e0d0b;
  --color-text: #f2efe8;
  --color-text-muted: #a8a59e;
  --color-text-faint: #6b6964;
  --color-primary: #3a9ea3;
  --color-primary-hover: #5cb3b7;
  --color-primary-active: #2d7f84;
  --color-primary-highlight: #1e3d40;
  --color-border: rgba(242, 239, 232, 0.12);
  --color-divider: rgba(242, 239, 232, 0.08);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.site-logo__mark,
.site-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.site-nav {
  display: none;
  align-items: center;
  gap: 0.25rem 1.25rem;
  flex-wrap: wrap;
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
  }
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

.nav-drawer {
  width: 100%;
  flex-basis: 100%;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.5rem 0 0.75rem;
  border-top: 1px solid var(--color-divider);
}

.nav-drawer.is-open {
  display: flex;
}

@media (min-width: 900px) {
  .nav-drawer {
    display: none !important;
  }
}

.nav-drawer a {
  padding: 0.5rem 0;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.15rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

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

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

.btn--secondary:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
}

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

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.btn--inverse:hover {
  background: var(--color-primary-highlight);
}

/* Main */
main {
  flex: 1;
}

.section {
  padding: 3.5rem 0;
}

.section--muted {
  background: var(--color-surface-offset);
}

.section--invert {
  background: var(--color-primary);
  color: #fff;
}

.section--invert a {
  color: #fff;
  text-decoration: underline;
}

.section--invert .btn--inverse {
  color: var(--color-primary);
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}

h1,
.h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h2,
.h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h3,
.h3 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 0 1.5rem;
}

.hero {
  padding: 3rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    min-height: min(70vh, 560px);
  }
}

.hero__visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 1.25rem;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero__note {
  font-size: 0.8125rem;
  color: var(--color-text-faint);
  max-width: 42ch;
}

/* Cards grid */
.cards-3 {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
}

.card--pain {
  border-left: 3px solid var(--color-error);
}

.card--accent {
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface));
}

/* Bento */
.bento {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .bento {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(120px, auto);
  }

  .bento__large {
    grid-column: span 7;
    grid-row: span 2;
  }

  .bento__med {
    grid-column: span 5;
  }

  .bento__small {
    grid-column: span 4;
  }

  .bento__small--ru {
    grid-column: span 4;
  }

  .bento__security {
    grid-column: span 8;
  }
}

.bento .card {
  height: 100%;
}

/* Testimonials */
.quotes {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .quotes {
    grid-template-columns: repeat(3, 1fr);
  }
}

.quote {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.quote__text {
  margin: 0 0 1rem;
  font-style: italic;
  color: var(--color-text-muted);
}

.quote__meta {
  font-size: 0.875rem;
  font-weight: 600;
}

.quote__role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.illus-label {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  margin-top: 0.5rem;
}

/* Pricing preview / cards */
.pricing-row {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 800px) {
  .pricing-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.price-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  position: relative;
}

.price-card--featured {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--color-primary);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.price-card__price {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

.price-card ul {
  margin: 1rem 0;
  padding-left: 1.1rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.disclaimer {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 1.5rem;
  max-width: 65ch;
}

/* FAQ */
.faq {
  max-width: 640px;
  margin: 0 auto;
}

.faq details {
  border-bottom: 1px solid var(--color-divider);
  padding: 0.75rem 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq details[open] summary {
  color: var(--color-primary);
}

.faq p {
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* Cases */
.case-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-card h3 {
  margin-top: 0;
}

/* Tables (pricing full) */
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

table.data th,
table.data td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}

table.data th {
  background: var(--color-surface-offset);
  font-weight: 600;
}

/* Forms */
.form {
  max-width: 520px;
}

.form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  font: inherit;
  margin-bottom: 1rem;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: 2px solid var(--color-primary-highlight);
  outline-offset: 2px;
}

.form .checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form .checkbox input {
  width: auto;
  margin: 0.2rem 0 0;
}

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

/* Legal prose */
.prose {
  max-width: 720px;
  margin: 0 auto;
}

.prose h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
}

.prose h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
}

.prose p,
.prose li {
  color: var(--color-text-muted);
}

.prose ul {
  padding-left: 1.25rem;
}

/* Footer */
.site-footer {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .site-footer__grid {
    grid-template-columns: 1.2fr repeat(3, 1fr);
  }
}

.site-footer h3 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 0.75rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 0.5rem;
}

.site-footer a {
  text-decoration: none;
  color: var(--color-text);
}

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

.site-footer__brand {
  max-width: 280px;
}

.site-footer__brand p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0.5rem 0 0;
}

.site-footer__bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-divider);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 1rem 0;
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 52ch;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Utility */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.video-placeholder {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
  margin: 1.5rem 0;
}