/* ============================================================
   MAIN.CSS — Reset, proměnné, typografie, utility
   Beskydské svatby · Chata Dukla · Čeladná
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  --color-bg: #FAF7F2;
  --color-dark: #2C2416;
  --color-primary: #7A6340;
  --color-accent: #A8855A;
  --color-muted: #9E9485;
  --color-light: #EDE8DF;
  --color-white: #FFFFFF;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

  --radius: 4px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-height: 80px;
  --section-padding: clamp(4rem, 8vw, 8rem);
  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.7;
  font-size: clamp(1rem, 2vw, 1.125rem);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
}

/* --- Typografie --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: inherit;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 600;
}

h4 {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 600;
}

p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-dark);
  line-height: 1.75;
}

.lead {
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-dark);
  opacity: 0.85;
}

/* --- Section Tag --- */
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* --- Tlačítka --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
  min-height: 48px;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-dark);
  border: 2px solid var(--color-white);
}

.btn-white:hover {
  background: transparent;
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.7);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}

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

/* --- Utility --- */
.text-center { text-align: center; }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Dekorativní linka --- */
.deco-line {
  width: 3rem;
  height: 1px;
  background: var(--color-primary);
  margin: 1.5rem auto;
}

.deco-line--left {
  margin-left: 0;
}

/* --- Ikona wrapper --- */
.icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.icon-wrap svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-muted);
  border-radius: 3px;
}

/* --- Selection --- */
::selection {
  background: var(--color-accent);
  color: var(--color-white);
}

/* --- Focus visible --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}