/* ==========================================================================
   OwnEnglish — style bazowe
   Reset, domyślne style tekstu, kontener, siatki responsywne (mobile-first).
   Wymaga wcześniejszego załadowania tokens.css.
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-normal);
  color: var(--color-ink-soft);
  background: var(--color-bg);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  margin: 0;
  line-height: var(--lh-tight);
}

p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

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

button {
  font-family: inherit;
}

/* --- Typografia: nagłówki sekcji --- */

h1, .h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
}

h2, .h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
}

.h2-sm {
  font-size: var(--fs-h2-sm);
  font-weight: 700;
}

h3, .h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
}

@media (max-width: 640px) {
  h1, .h1 {
    font-size: 36px;
  }
  h2, .h2 {
    font-size: 26px;
  }
  .h2-sm {
    font-size: 22px;
  }
}

.text-lead {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-normal);
}

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

.text-strong {
  color: var(--color-ink);
  font-weight: 600;
}

.eyebrow {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* --- Kontener --- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

@media (max-width: 900px) {
  .container {
    padding: 0 var(--container-pad-mobile);
  }
}

/* --- Sekcje --- */

.section {
  padding: var(--space-5xl) 0;
}

.section-tight {
  padding: var(--space-4xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-dark {
  background: var(--color-ink);
  color: #FFFFFF;
}

.section-tint {
  background: var(--color-accent-soft-bg);
}

.section-hero {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

@media (max-width: 640px) {
  .section {
    padding: var(--space-3xl) 0;
  }
  .section-tight {
    padding: var(--space-2xl) 0;
  }
}

/* --- Siatka hero (mobile-first: 1 kolumna, rozszerza się w górę) --- */

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-3xl);
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    padding-top: 32px;
    padding-bottom: 112px;
  }
}

/* --- Siatki (mobile-first: domyślnie 1 kolumna, rozszerza się w górę) --- */

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* --- Utility flex --- */

.stack {
  display: flex;
  flex-direction: column;
}

.row {
  display: flex;
  align-items: center;
}

.row-wrap {
  display: flex;
  flex-wrap: wrap;
}

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.space-between {
  justify-content: space-between;
}