:root {
  --color-bg: #f5f7fb;
  --color-white: #ffffff;
  --color-text: #172033;
  --color-text-soft: #52607a;
  --color-primary: #1847d6;
  --color-primary-dark: #1238ab;
  --color-border: #dbe3f0;
  --color-accent: #ffd34d;
  --color-shadow: 0 10px 30px rgba(23, 32, 51, 0.08);
  --color-shadow-strong: 0 18px 40px rgba(23, 32, 51, 0.18);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1200px;
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

body.modal-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(219, 227, 240, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  transition: color var(--transition);
}

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

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-white);
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px auto;
  transition: var(--transition);
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.hero-text,
.hero-card,
.category-card,
.step-card,
.contact-box,
.quick-link,
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--color-shadow);
}

.hero-text {
  padding: 40px;
}

.hero-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 1.35rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 20px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 14px;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.hero-description,
.section-heading p,
.category-card p,
.step-card p,
.contact-box p,
.faq-item p {
  color: var(--color-text-soft);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
}

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

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-primary-dark);
}

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

.section {
  padding: 48px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(24, 71, 214, 0.03), rgba(255, 255, 255, 0));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.category-grid,
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.category-card,
.step-card {
  padding: 26px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.category-card:hover,
.category-card:focus {
  transform: translateY(-4px);
  border-color: rgba(24, 71, 214, 0.35);
}

.category-card span {
  display: inline-block;
  margin-top: 18px;
  font-weight: 700;
  color: var(--color-primary);
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.quick-link {
  padding: 22px 24px;
  font-weight: 700;
  transition: transform var(--transition), border-color var(--transition);
}

.quick-link:hover,
.quick-link:focus {
  transform: translateY(-3px);
  border-color: rgba(24, 71, 214, 0.35);
}

.step-number {
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-accent);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0 20px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 700;
}

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

.faq-item p {
  margin-top: 0;
  padding-bottom: 20px;
}

.contact-box {
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: #eef3fb;
  margin-top: 24px;
}

.footer-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: var(--color-text-soft);
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--color-shadow);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1400;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

body.cookie-banner-visible .back-to-top {
  bottom: 112px;
}

/* Cookie banner */

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.cookie-banner.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.cookie-banner__inner {
  width: min(100%, 1100px);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--color-shadow-strong);
  padding: 22px;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  align-items: center;
}

.cookie-banner__title {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}

.cookie-banner__text p:last-child {
  margin: 0;
  color: var(--color-text-soft);
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.cookie-banner__actions .btn {
  min-width: 180px;
}

/* Cookie modal */

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 1300;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}

.cookie-modal.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cookie-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
}

.cookie-modal__dialog {
  position: relative;
  width: min(100% - 32px, 760px);
  max-height: calc(100dvh - 48px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  margin: 24px auto;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--color-shadow-strong);
  padding: 28px;
  z-index: 2;
}

.cookie-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.cookie-modal__intro {
  color: var(--color-text-soft);
  margin-bottom: 20px;
}

.cookie-options {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.cookie-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #f8faff;
}

.cookie-option strong {
  display: block;
  margin-bottom: 6px;
}

.cookie-option p {
  margin: 0;
  color: var(--color-text-soft);
}

.cookie-option input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.cookie-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

@media (max-width: 1100px) {
  .hero-grid,
  .category-grid,
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 16px 18px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 14px 4px;
    border-bottom: 1px solid #edf1f7;
  }

  .hero-grid,
  .quick-links {
    grid-template-columns: 1fr;
  }

  .contact-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner__inner {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cookie-modal__actions,
  .cookie-banner__actions {
    justify-content: stretch;
  }

  .cookie-modal__actions .btn,
  .cookie-banner__actions .btn {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 56px 0 32px;
  }

  .hero-text,
  .hero-card,
  .category-card,
  .step-card,
  .quick-link,
  .contact-box {
    padding: 22px;
  }

  .category-grid,
  .steps-grid,
  .quick-links {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 18px 0;
  }

  .cookie-banner {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .cookie-banner__inner,
  .cookie-modal__dialog {
    padding: 18px;
  }

  .cookie-option {
    align-items: flex-start;
    flex-direction: row;
  }

  .cookie-modal__dialog {
    width: calc(100% - 24px);
    max-height: calc(100dvh - 24px);
    margin: 12px auto;
  }

  body.cookie-banner-visible .back-to-top {
    bottom: 132px;
  }
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

.breadcrumbs a {
  color: var(--color-primary);
  font-weight: 600;
}

.category-hero-box,
.tool-card,
.info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--color-shadow);
}

.category-hero-box {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.tool-card {
  padding: 26px;
}

.tool-card--active {
  border-color: rgba(24, 71, 214, 0.25);
}

.tool-status {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(24, 71, 214, 0.1);
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
}

.tool-status--soon {
  background: rgba(255, 211, 77, 0.25);
  color: #7a5a00;
}

.tool-note {
  display: inline-block;
  margin-top: 18px;
  color: var(--color-text-soft);
  font-weight: 700;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.info-card {
  padding: 28px;
}

.check-list {
  margin: 0;
  padding-left: 20px;
}

.check-list li + li {
  margin-top: 10px;
}

@media (max-width: 860px) {
  .category-hero-box,
  .content-grid,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .category-hero-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .category-hero-box,
  .tool-card,
  .info-card {
    padding: 22px;
  }

  .tool-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }
}