:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7f9;
  --color-surface: #ffffff;
  --color-border: #e2e6ea;
  --color-text: #1f2933;
  --color-text-muted: #5a6672;
  --color-primary: #243342;
  --color-primary-dark: #17212b;
  --color-accent: #3f7f8c;
  --color-accent-dark: #2f626d;
  --color-accent-light: #e6f0f1;
  --color-success: #2f7a4d;
  --color-danger: #b3452f;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(23, 33, 43, 0.08);
  --shadow-md: 0 8px 24px rgba(23, 33, 43, 0.1);
  --container-width: 1160px;
  --font-body: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-heading: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 3.2vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--color-text-muted); }

ul { margin: 0 0 1em; padding-left: 1.25em; color: var(--color-text-muted); }
li { margin-bottom: 0.4em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 64px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-tight { padding: 40px 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-accent-light);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #ffffff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-accent { background: var(--color-accent); color: #ffffff; }
.btn-accent:hover { background: var(--color-accent-dark); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-primary); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary);
}
.brand:hover { text-decoration: none; }
.brand-logo { width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0; }
.brand-name {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  line-height: 1.1;
}
.brand-tag {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--color-accent-dark); }
.main-nav a[aria-current="page"] { color: var(--color-accent-dark); font-weight: 700; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-primary);
  cursor: pointer;
}

.hero {
  padding: 72px 0;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-art img { width: 100%; height: auto; border-radius: var(--radius-lg); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat strong { display: block; font-size: 1.5rem; color: var(--color-primary); }
.hero-stat span { font-size: 0.85rem; color: var(--color-text-muted); }

.page-banner {
  padding: 56px 0 40px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumbs { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 14px; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs .sep { margin: 0 6px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list i { color: var(--color-accent-dark); font-size: 1.2rem; margin-top: 2px; }

.calculator-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.calculator-header {
  background: var(--color-primary);
  color: #fff;
  padding: 28px 32px;
}
.calculator-header h2 { color: #fff; margin-bottom: 6px; }
.calculator-header p { color: #c6d1d9; margin: 0; }
.calculator-body { padding: 32px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); }
.form-field .hint { font-size: 0.78rem; color: var(--color-text-muted); }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
textarea { resize: vertical; min-height: 130px; }

.result-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
}
.result-row:last-child { border-bottom: none; }
.result-row .label { color: var(--color-text-muted); font-size: 0.9rem; }
.result-row .value { font-weight: 700; color: var(--color-primary); font-size: 1.05rem; }
.result-highlight {
  text-align: center;
  padding: 18px 0;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.result-highlight .value { font-size: 2.1rem; font-weight: 800; color: var(--color-accent-dark); display: block; }
.result-highlight .label { font-size: 0.85rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.disclaimer-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: #fbf7ee;
  border: 1px solid #ecdfc0;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 18px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.disclaimer-note i { color: #a9832f; font-size: 1.1rem; margin-top: 1px; }

.preset-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.preset-chip {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--color-text);
}
.preset-chip:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.preset-chip.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  background: #fff;
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: none;
  border: none;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
  cursor: pointer;
}
.accordion-trigger i { transition: transform 0.2s ease; color: var(--color-accent-dark); flex-shrink: 0; }
.accordion-item.open .accordion-trigger i { transform: rotate(180deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 18px;
}
.accordion-item.open .accordion-panel { max-height: 400px; padding: 0 18px 18px; }
.accordion-panel p { margin: 0; }

.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps li { counter-increment: step; position: relative; padding-left: 4px; }
.steps li::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { margin: 0; }

.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
.contact-info-card {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-info-card h3 { color: #fff; }
.contact-info-card p { color: #c6d1d9; }
.contact-detail { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contact-detail i { font-size: 1.3rem; color: #8fc1c9; margin-top: 2px; flex-shrink: 0; }
.contact-detail strong { display: block; color: #fff; font-size: 0.9rem; }
.contact-detail span, .contact-detail a { color: #c6d1d9; font-size: 0.92rem; }
.contact-detail a { color: #c6d1d9; }
.contact-illustration { margin-top: 24px; border-radius: var(--radius-md); overflow: hidden; }

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}
.form-status.success { display: flex; gap: 10px; background: #eaf5ee; color: var(--color-success); border: 1px solid #c7e6cf; }
.form-status.error { display: flex; gap: 10px; background: #fbeae5; color: var(--color-danger); border: 1px solid #f1c6b8; }
.field-error { font-size: 0.78rem; color: var(--color-danger); min-height: 16px; }

.legal-content h2 { margin-top: 2em; }
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 { margin-top: 1.5em; }
.legal-content p, .legal-content li { color: var(--color-text-muted); }
.legal-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 32px;
}
.legal-toc {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  background: var(--color-bg-alt);
  margin-bottom: 40px;
}
.legal-toc h3 { margin-bottom: 10px; font-size: 1rem; }
.legal-toc ol { margin: 0; padding-left: 1.1em; }
.legal-toc a { color: var(--color-text); }
.legal-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
.legal-layout .legal-toc { position: sticky; top: 90px; margin-bottom: 0; }

.callout {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.callout i { font-size: 1.4rem; color: var(--color-accent-dark); margin-top: 2px; }

.site-footer {
  background: var(--color-primary-dark);
  color: #b7c2cb;
  padding: 56px 0 28px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { width: 32px; height: 32px; border-radius: 8px; }
.footer-brand span { font-weight: 800; color: #fff; font-size: 1.05rem; }
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #b7c2cb; font-size: 0.92rem; }
.footer-col a:hover { color: #fff; }
.footer-note { color: #8b98a3; font-size: 0.85rem; margin-bottom: 14px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 0.88rem; color: #b7c2cb; }
.footer-contact i { color: #8fc1c9; margin-top: 2px; flex-shrink: 0; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: #8b98a3;
}
.footer-bottom a { color: #8b98a3; }
.footer-legal-links { display: flex; gap: 18px; flex-wrap: wrap; }
.disclaimer-strip {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.8rem;
  color: #97a3ad;
  margin-top: 24px;
  line-height: 1.6;
}

.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 22px 24px;
  z-index: 1000;
  display: none;
}
.cookie-banner.visible { display: block; animation: cookie-in 0.3s ease; }
@keyframes cookie-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.cookie-banner-head { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.cookie-banner-head i { font-size: 1.4rem; color: var(--color-accent-dark); margin-top: 2px; }
.cookie-banner h3 { font-size: 1.02rem; margin: 0 0 6px; }
.cookie-banner p { font-size: 0.88rem; margin: 0; color: var(--color-text-muted); }
.cookie-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-banner-actions .btn { padding: 10px 16px; font-size: 0.88rem; }

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  z-index: 900;
}
.back-to-top.visible { display: flex; }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 2000;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

@media (max-width: 960px) {
  .hero-grid, .contact-grid, .calculator-body, .legal-layout { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .legal-layout .legal-toc { position: static; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; inset: 62px 0 0 0; background: #fff; padding: 24px; transform: translateX(100%); transition: transform 0.25s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
  .main-nav a { display: block; padding: 12px 4px; width: 100%; border-bottom: 1px solid var(--color-border); }
  .nav-toggle { display: flex; }
  .header-actions .btn-accent-text { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .calculator-body { padding: 22px; }
  .calculator-header { padding: 22px; }
}