/* =========================================================================
   Lamron s.r.o. — main.css
   Provizórne hodnoty (sample). Pri schválení dizajnu zosúladiť s docs/design-system.md.
   Mobile-first, min-width media queries.
   ========================================================================= */

/* -------------------------------------------------------------------------
   Design tokens
   ------------------------------------------------------------------------- */
:root {
  /* Farby — odvodené z loga LAMRON (navy + jablko) */
  --color-bg: #e9f0ea;              /* pozadie stránky (z docs/background.bmp) */
  --color-surface: #ffffff;
  --color-text: #1c1c2b;            /* tmavá, jemne do navy */
  --color-text-muted: #54545f;
  --color-primary: #000060;         /* značková navy (z loga) */
  --color-primary-hover: #2a2a8f;   /* svetlejšia navy pre hover */
  --color-accent: #a80000;          /* jablková červená — používať minimálne */
  --color-border: #e5e3dc;
  --color-divider: #a9c9a3;           /* tlmená zelená — deliaca linka hlavičky a hover navigácie */
  --color-placeholder-bg: #fff4e5;
  --color-placeholder-text: #8a5a23;
  --color-placeholder-line: #d8a05c;

  /* Typografia — TODO: nahradiť self-hosted fontmi (assets/fonts/, woff2, font-display: swap) */
  --font-heading: Georgia, "Times New Roman", "Noto Serif", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --font-size-body: 1rem;       /* 16px */
  --font-size-small: 0.875rem;
  --font-size-h1: 2rem;
  --font-size-h2: 1.5rem;
  --font-size-h3: 1.125rem;
  --line-height-body: 1.6;
  --line-height-heading: 1.2;
  --measure: 65ch;

  /* Spacing — 4px základ */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --container: 1100px;
  --container-pad: var(--space-5);

  --radius-sm: 4px;
  --radius-md: 8px;

  --border-hairline: 1px solid var(--color-border);
  --shadow-sm: 0 1px 2px rgba(20, 24, 18, 0.06);

  --transition: 160ms ease;
}

@media (min-width: 768px) {
  :root {
    --font-size-h1: 2.75rem;
    --font-size-h2: 1.875rem;
    --font-size-h3: 1.25rem;
    --container-pad: var(--space-6);
  }
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--line-height-heading);
  font-weight: 600;
  margin: 0 0 var(--space-4);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p { margin: 0 0 var(--space-4); }

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { color: var(--color-primary-hover); }

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* -------------------------------------------------------------------------
   Layout helpers
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--space-8); }
.section--alt { background: var(--color-surface); border-block: var(--border-hairline); }
.section__title { margin-bottom: var(--space-5); }
.section__cta { margin-top: var(--space-6); margin-bottom: 0; }

.prose { max-width: var(--measure); }
.prose ul { padding-left: 1.25rem; margin: 0 0 var(--space-4); }
.prose li { margin-bottom: var(--space-2); }

.text-muted { color: var(--color-text-muted); }
.text-muted a { color: var(--color-text-muted); }

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -3rem;
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-2) var(--space-4);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  transition: top var(--transition);
  z-index: 100;
}
.skip-link:focus { top: var(--space-3); }

/* Placeholder markup for missing content */
.ph {
  background: var(--color-placeholder-bg);
  color: var(--color-placeholder-text);
  border-bottom: 1px dashed var(--color-placeholder-line);
  padding: 0 0.2em;
  font-style: normal;
  white-space: nowrap;
}
@media (max-width: 480px) { .ph { white-space: normal; } }

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.4;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-primary); }

/* -------------------------------------------------------------------------
   Site header / navigation
   ------------------------------------------------------------------------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-divider);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.site-header__logo {
  display: block;
  height: 42px;
  width: auto;
}
@media (min-width: 768px) {
  .site-header__logo { height: 50px; }
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
}

.site-nav { display: none; width: 100%; }
.site-nav.is-open { display: block; }

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.site-nav__list a {
  display: block;
  padding: var(--space-3) var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}
.site-nav__list a:hover { background: var(--color-divider); }
.site-nav__list a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav { display: block; width: auto; }
  .site-nav__list {
    flex-direction: row;
    gap: var(--space-2);
    align-items: center;
  }
  .site-nav__list a { padding: var(--space-2) var(--space-3); }
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero { padding-block: var(--space-8) var(--space-7); }
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
/* h1 v hlavnej sekcii má rovnakú veľkosť ako ostatné nadpisy (h2, napr. „Kontakt") */
.hero__title { font-size: var(--font-size-h2); }
.hero__body > p { font-size: 1.125rem; margin-bottom: 0; }

.hero__story { margin-top: var(--space-7); }
.hero__story h2 { margin-top: var(--space-6); }
.hero__story h2:first-child { margin-top: 0; }
.hero__story p:last-child { margin-bottom: 0; }

@media (min-width: 768px) {
  .hero { padding-block: var(--space-9) var(--space-8); }
}

/* -------------------------------------------------------------------------
   Page header (interior pages)
   ------------------------------------------------------------------------- */
.page-header {
  padding-block: var(--space-7);
  background: var(--color-surface);
  border-bottom: var(--border-hairline);
}
.page-header__title { margin-bottom: var(--space-3); }
.page-header__lead {
  max-width: var(--measure);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* -------------------------------------------------------------------------
   Cards
   ------------------------------------------------------------------------- */
.cards {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}
.card {
  background: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.card__title { margin-bottom: var(--space-2); }
.card__body { margin-bottom: 0; color: var(--color-text-muted); }

@media (min-width: 768px) {
  .cards { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
}

/* -------------------------------------------------------------------------
   Contact
   ------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-5);
}
.contact-card {
  background: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.contact-card__title { margin-bottom: var(--space-1); }
.contact-card__sub {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  margin-bottom: var(--space-5);
}

.contact-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1) var(--space-4);
  margin: 0;
}
.contact-list dt {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}
.contact-list dd { margin: 0 0 var(--space-3); }

@media (min-width: 560px) {
  .contact-list { grid-template-columns: 10rem 1fr; align-items: baseline; }
  .contact-list dt { padding-top: 0; }
  .contact-list dd { margin-bottom: var(--space-2); }
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

.contact-map { margin: var(--space-6) 0 0; }
.contact-map iframe {
  display: block;
  width: 100%;
  height: 340px;
  border: 0;
  border-radius: var(--radius-md);
}
.contact-map figcaption {
  margin-top: var(--space-2);
  font-size: var(--font-size-small);
}
@media (max-width: 560px) {
  .contact-map iframe { height: 260px; }
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-surface);
  border-top: var(--border-hairline);
  padding-block: var(--space-7) var(--space-5);
  margin-top: var(--space-8);
}
.site-footer__inner {
  display: grid;
  gap: var(--space-6);
}
.site-footer__logo {
  display: block;
  height: 52px;
  width: auto;
  margin-bottom: var(--space-4);
}
.site-footer__heading {
  font-weight: 600;
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.site-footer__links { list-style: none; margin: 0; padding: 0; }
.site-footer__links li { margin-bottom: var(--space-2); }
.site-footer__legal {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: var(--border-hairline);
  font-size: var(--font-size-small);
}

@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: 1.5fr 1fr; gap: var(--space-7); }
}

/* -------------------------------------------------------------------------
   Dekoratívne obrázky (farebný vodoznak) pri horných rohoch stránky
   Ukotvené k hornej časti stránky, za obsahom - text sa kreslí navrch.
   Zobrazujú sa vo všetkých veľkostiach, aj na mobile.
   ------------------------------------------------------------------------- */
body { position: relative; }

.page-deco {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: -1;                         /* za obsahom - text zostáva čitateľný */
  pointer-events: none;
}
.page-deco__img {
  position: absolute;
  top: 0;                              /* od horného okraja stránky */
  width: clamp(180px, 42vw, 760px);    /* škáluje s obrazovkou */
  height: auto;
  opacity: 0.2;                        /* farebný vodoznak */
  mix-blend-mode: multiply;            /* svetlé pozadie fotky splynie s pozadím stránky */
  /* jemné vyblednutie okrajov do stránky */
  -webkit-mask-image: radial-gradient(circle at var(--deco-anchor), #000 35%, transparent 90%);
          mask-image: radial-gradient(circle at var(--deco-anchor), #000 35%, transparent 90%);
}
.page-deco__img--left  { left: 0;  --deco-anchor: top left; }
.page-deco__img--right { right: 0; --deco-anchor: top right; }

/* Od tabletu vyššie (menu je v riadku) je hlavička priehľadná, aby vodoznak
   siahal až na vrch stránky. Spodná vlasová linka z .site-header ostáva a
   opticky oddeľuje hlavičku od obsahu. */
@media (min-width: 768px) {
  .site-header { background: transparent; }
}

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