:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #334155;
  --color-primary: #1e40af;
  --color-primary-hover: #1d4ed8;
  --color-accent: #0284c7;
  --color-border: #cbd5e1;
  --color-border-light: #e2e8f0;
  --color-success: #15803d;
  --color-error: #b91c1c;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --container-max: 1140px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

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

html {
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: var(--font-family);
  -webkit-text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--color-text);
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.35rem; }
p { margin-bottom: 1rem; color: var(--color-text-muted); }
ul, ol { margin-bottom: 1rem; padding-left: 1.5rem; color: var(--color-text-muted); }
li { margin-bottom: 0.5rem; }

/* Header & Nav */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 800;
  font-size: 1.35rem;
}

.brand-name {
  letter-spacing: -0.02em;
}

.primary-nav .nav-list {
  display: flex;
  list-style: none;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1rem;
  padding: 6px 4px;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  margin: 4px 0;
  transition: 0.3s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.1s;
  text-align: center;
}

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

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

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

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: #eff6ff;
  color: var(--color-primary-hover);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.95rem;
}

/* Hero Section */
.hero {
  padding: 50px 0 40px;
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-block;
  background-color: #e0f2fe;
  color: #0369a1;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2.3rem;
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-card {
  background-color: var(--color-surface);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.price-tag {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 10px 0 6px;
}

.price-sub {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

/* Features & Sections */
.section {
  padding: 50px 0;
}

.section-alt {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 36px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-icon {
  width: 44px;
  height: 44px;
  background-color: #eff6ff;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

/* Steps List */
.steps-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
}

.step-num {
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 12px;
}

/* Forms */
.form-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

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

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--color-text);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.form-checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form-feedback {
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius-sm);
  display: none;
  font-weight: 600;
}

.form-feedback.is-error {
  display: block;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--color-error);
}

/* Footer */
.site-footer {
  background-color: #0f172a;
  color: #cbd5e1;
  padding-top: 50px;
  font-size: 0.95rem;
}

.site-footer a {
  color: #93c5fd;
  text-decoration: none;
}

.site-footer a:hover, .site-footer a:focus {
  color: #ffffff;
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-heading {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 14px;
}

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

.footer-links li {
  margin-bottom: 8px;
}

.footer-operator {
  margin-bottom: 6px;
  line-height: 1.45;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

.cookie-settings-btn {
  background: none;
  border: none;
  color: #93c5fd;
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
  padding: 0;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #0f172a;
  color: #ffffff;
  padding: 18px 24px;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  border-top: 1px solid #334155;
}

.cookie-banner-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.cookie-banner a {
  color: #60a5fa;
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .steps-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cookie-banner-content { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
    box-shadow: var(--shadow-md);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav .nav-list { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}