/* Būk internete — design system */

@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --color-bg: #fafbfc;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-text-muted: #5c6b7a;
  --color-border: #e2e8f0;
  --color-accent: #0d6e6e;
  --color-accent-hover: #0a5858;
  --color-accent-subtle: #e6f4f4;
  --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 35, 50, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 35, 50, 0.12);
  --radius: 10px;
  --radius-lg: 14px;
  --max-width: 1120px;
  --header-h: 72px;
  --transition: 0.2s ease;
}

[data-theme="dark"] {
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-text: #f0f4f8;
  --color-text-muted: #94a3b8;
  --color-border: #2d3a4d;
  --color-accent: #2dd4bf;
  --color-accent-hover: #5eead4;
  --color-accent-subtle: #134e4a;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0f1419;
    --color-surface: #1a2332;
    --color-text: #f0f4f8;
    --color-text-muted: #94a3b8;
    --color-border: #2d3a4d;
    --color-accent: #2dd4bf;
    --color-accent-hover: #5eead4;
    --color-accent-subtle: #134e4a;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 0.75em;
}

h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: 1.125rem; }

p { margin: 0 0 1em; }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
}

.logo-link img, .logo-link svg { height: 32px; width: 32px; flex-shrink: 0; }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.theme-toggle:hover { border-color: var(--color-accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-bg);
  padding: 1.5rem;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--color-border);
  z-index: 99;
}

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

.nav-mobile a {
  padding: 0.75rem 0;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.125rem;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .nav-desktop, .header-actions .btn-primary { display: none; }
  .nav-toggle { display: block; }
  .header-actions .theme-toggle { display: flex; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  margin: 0;
}

/* Hero */
.hero {
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 { max-width: 18ch; margin-inline: auto; }

.hero-lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.hero-trust {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius);
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.service-card h3 { margin-bottom: 0.5rem; }

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

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 700px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.portfolio-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.portfolio-thumb {
  aspect-ratio: 5/3;
  overflow: hidden;
  background: var(--color-border);
}

.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-body { padding: 1.5rem; }

.portfolio-body h3 { margin-bottom: 0.5rem; }

.portfolio-body p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: 100px;
}

.portfolio-cta {
  text-align: center;
  margin-top: 3rem;
}

.portfolio-cta p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

/* Blog cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition), transform var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: inherit;
}

.blog-card h3 {
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.blog-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  flex: 1;
  margin-bottom: 1rem;
}

.blog-card .read-more {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-accent);
}

/* Contact */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-wrapper { grid-template-columns: 1fr; }
}

.contact-info h2 { margin-bottom: 0.75rem; }

.contact-info > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.contact-details a {
  color: var(--color-text);
  text-decoration: none;
}

.contact-details a:hover { color: var(--color-accent); }

.contact-form {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.checkbox-group input {
  width: auto;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.checkbox-group label {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin: 0;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  display: none;
}

.form-status.is-visible { display: block; }
.form-status.is-success {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.form-status.is-error {
  background: #fef2f2;
  color: #b91c1c;
}

[data-theme="dark"] .form-status.is-error {
  background: #450a0a;
  color: #fca5a5;
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-links a:hover { color: var(--color-accent); }

.footer-legal {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer-legal p { margin: 0 0 0.35em; }

/* Article / legal pages */
.page-hero {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--color-border);
}

.page-hero .back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 1.5rem;
}

.page-hero .back-link:hover { color: var(--color-accent); }

.prose {
  max-width: 65ch;
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.prose h2 {
  font-size: 1.375rem;
  margin-top: 2.5rem;
}

.prose h3 {
  font-size: 1.125rem;
  margin-top: 1.75rem;
}

.prose ul, .prose ol {
  margin: 0 0 1em;
  padding-left: 1.5em;
}

.prose li { margin-bottom: 0.35em; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin: 1.5em 0;
}

.prose th, .prose td {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th {
  background: var(--color-accent-subtle);
  font-weight: 600;
}

.article-cta {
  margin-top: 3rem;
  padding: 1.75rem;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
}

.article-cta p { margin-bottom: 1rem; }

.updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}