/* ------------------------------------------------------------------
 * Base styles — shared by showroom and all demo sites.
 * Per-style overrides live in css/styles/<style>.css.
 * Inspired by the MihalTEC main site (green accent, dark contrast),
 * but kept dependency-free (no Bootstrap, no JS framework).
 * ------------------------------------------------------------------ */
:root {
  /* Brand palette */
  --color-primary: #377A00;
  --color-primary-dark: #2f6700;
  --color-primary-darker: #011502;
  --color-accent: #4ade80;

  /* Neutrals */
  --color-text: #1a1a1a;
  --color-text-soft: #495057;
  --color-muted: #6c757d;
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-surface-alt: #fafbfd;
  --color-border: #e9ecef;
  --color-border-strong: #dee2e6;

  /* Effects */
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.06);
  --shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.12);
  --transition: all 0.25s ease;

  /* Layout */
  --space: 1rem;
  --container: 72rem;
  --nav-height: 72px;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: var(--font-body);

  /* Demo override hooks */
  --color-secondary: var(--color-surface);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-primary-darker);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  padding-left: 1.25em;
}

code {
  background: var(--color-surface);
  padding: 0.05em 0.4em;
  border-radius: 4px;
  font-size: 0.95em;
}

.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

/* Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1.2;
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(55, 122, 0, 0.25);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary-darker);
  border-color: var(--color-border-strong);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

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

.btn--light:hover {
  background: #f0f0f0;
  border-color: #f0f0f0;
  transform: translateY(-2px);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn:active {
  transform: translateY(0);
}

.muted {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ------------------------------------------------------------------
 * Site header (white navbar with logo)
 * ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--nav-height);
  padding: 0.75rem 0;
  position: relative;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary-darker);
  font-weight: 700;
  font-size: 1.25rem;
}

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

.site-header__logo {
  height: 40px;
  width: auto;
  transition: transform 0.25s ease;
}

.site-header__brand:hover .site-header__logo {
  transform: scale(1.05);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-header__nav a {
  color: var(--color-text-soft);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.site-header__nav a:hover {
  color: var(--color-primary);
  background: rgba(55, 122, 0, 0.06);
}

.site-header__nav a.btn {
  margin-left: 0.5rem;
  padding: 0.55rem 1.2rem;
  font-size: 0.92rem;
  color: #fff;
}

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

/* Mobile nav toggle */
.site-header__toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary-darker);
}

.site-header__toggle span,
.site-header__toggle span::before,
.site-header__toggle span::after {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s ease;
}

.site-header__toggle span::before,
.site-header__toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-header__toggle span::before {
  top: -7px;
}

.site-header__toggle span::after {
  top: 7px;
}

@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    display: none;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav a {
    padding: 0.85rem 1rem;
    border-radius: 6px;
  }

  .site-header__nav a.btn {
    margin: 0.5rem 0 0;
    text-align: center;
  }
}

/* ------------------------------------------------------------------
 * Site footer
 * ------------------------------------------------------------------ */
.site-footer {
  background: var(--color-primary-darker);
  color: rgba(255, 255, 255, 0.75);
  margin-top: 5rem;
  padding: 2.5rem 0 2rem;
  font-size: 0.95rem;
}

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

.site-footer__copy {
  margin: 0;
}

.site-footer__nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__nav a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-footer__nav a:hover {
  color: #fff;
}

/* ------------------------------------------------------------------
 * Skip-to-content / shared utilities
 * ------------------------------------------------------------------ */
#content {
  scroll-margin-top: calc(var(--nav-height) + 1rem);
}

/* ------------------------------------------------------------------
 * Legal pages
 * ------------------------------------------------------------------ */
.legal-page {
  max-width: 50rem;
  padding: 3rem 0 4rem;
  margin-inline: auto;
  width: min(50rem, 92%);
}

.legal-page h1 {
  margin-bottom: 1.5rem;
}

.legal-page h2 {
  margin-top: 2.25rem;
  font-size: 1.35rem;
}

.legal-page h3 {
  margin-top: 1.5rem;
  font-size: 1.1rem;
}

.legal-page__notice {
  background: #fff8e1;
  border-left: 4px solid #d4a017;
  padding: 1rem 1.2rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}

/* ------------------------------------------------------------------
 * Reduced motion
 * ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}