/* ============================================
   Marko's Schlemmerstube — Smoky Taverna Editorial
   ============================================ */

:root {
  --primary: #C4391D;
  --secondary: #1B3A5C;
  --accent: #E8A838;
  --bg: #1A1714;
  --surface: #2A2520;
  --text: #F2EBE1;
  --text-muted: #A89E91;
  --font-display: 'DM Serif Display', serif;
  --font-body: 'Bricolage Grotesque', sans-serif;
  --nav-height: 72px;
  --container-pad: 1.5rem;
  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul,
ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text);
  text-wrap: balance;
}

h1 { font-size: clamp(2.75rem, 6vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.625rem); }
h5 { font-size: 1.125rem; font-family: var(--font-body); font-weight: 600; }
h6 { font-size: 0.95rem; font-family: var(--font-body); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  max-width: 68ch;
}

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

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

strong { font-weight: 700; }
em { font-style: italic; }

.display-heading {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.body-text {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  max-width: 68ch;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: clamp(4rem, 8vw, 8rem);
  padding-bottom: clamp(4rem, 8vw, 8rem);
}

/* --- Navigation --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: rgba(26, 23, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(168, 158, 145, 0.1);
  transition: background-color var(--transition);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  transition: color var(--transition);
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--text);
}

.nav-link.active::after {
  width: 100%;
  background-color: var(--accent);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 23, 20, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

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

.nav-mobile-menu .nav-link {
  font-size: 1.5rem;
  text-transform: none;
  letter-spacing: 0;
}

/* --- Buttons --- */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: #a82f16;
  border-color: #a82f16;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(196, 57, 29, 0.3);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* --- Card --- */
.card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(168, 158, 145, 0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

/* --- Šahovnica (Checkerboard) Pattern System --- */

/* Reusable checkerboard background — apply to any element */
.sahovnica {
  --checker-size: 16px;
  --checker-color-a: var(--primary);
  --checker-color-b: var(--surface);
  --checker-opacity: 0.12;
  position: relative;
}

.sahovnica::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: var(--checker-opacity);
  background-image:
    linear-gradient(45deg, var(--checker-color-a) 25%, transparent 25%),
    linear-gradient(-45deg, var(--checker-color-a) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--checker-color-a) 75%),
    linear-gradient(-45deg, transparent 75%, var(--checker-color-a) 75%);
  background-size: var(--checker-size) var(--checker-size);
  background-position:
    0 0,
    0 calc(var(--checker-size) / 2),
    calc(var(--checker-size) / 2) calc(var(--checker-size) * -0.5),
    calc(var(--checker-size) * -0.5) 0;
  pointer-events: none;
  z-index: 0;
}

.sahovnica > * {
  position: relative;
  z-index: 1;
}

/* Section divider — horizontal checkerboard strip */
.sahovnica-divider {
  width: 100%;
  height: 8px;
  background-image:
    repeating-linear-gradient(
      90deg,
      var(--primary) 0,
      var(--primary) 8px,
      transparent 8px,
      transparent 16px
    );
  mask-image:
    repeating-linear-gradient(
      0deg,
      #000 0,
      #000 4px,
      transparent 4px,
      transparent 8px
    );
  -webkit-mask-image:
    repeating-linear-gradient(
      0deg,
      #000 0,
      #000 4px,
      transparent 4px,
      transparent 8px
    );
  opacity: 0.35;
}

/* Subtle hover overlay for interactive elements */
.sahovnica-hover {
  position: relative;
  overflow: hidden;
}

.sahovnica-hover::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  background-image:
    linear-gradient(45deg, var(--primary) 25%, transparent 25%),
    linear-gradient(-45deg, var(--primary) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--primary) 75%),
    linear-gradient(-45deg, transparent 75%, var(--primary) 75%);
  background-size: 10px 10px;
  background-position:
    0 0,
    0 5px,
    5px -5px,
    -5px 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.sahovnica-hover:hover::after {
  opacity: 0.07;
}

/* Hero watermark — large, faded checkerboard for backgrounds */
.sahovnica-watermark {
  position: relative;
  overflow: hidden;
}

.sahovnica-watermark::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  opacity: 0.04;
  background-image:
    linear-gradient(45deg, var(--text) 25%, transparent 25%),
    linear-gradient(-45deg, var(--text) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--text) 75%),
    linear-gradient(-45deg, transparent 75%, var(--text) 75%);
  background-size: 48px 48px;
  background-position:
    0 0,
    0 24px,
    24px -24px,
    -24px 0;
  transform: rotate(-12deg);
  pointer-events: none;
  z-index: 0;
}

.sahovnica-watermark > * {
  position: relative;
  z-index: 1;
}

/* Corner accent — small decorative checkerboard in a corner */
.sahovnica-corner {
  position: relative;
}

.sahovnica-corner::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 48px;
  height: 48px;
  opacity: 0.2;
  background-image:
    linear-gradient(45deg, var(--accent) 25%, transparent 25%),
    linear-gradient(-45deg, var(--accent) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--accent) 75%),
    linear-gradient(-45deg, transparent 75%, var(--accent) 75%);
  background-size: 12px 12px;
  background-position:
    0 0,
    0 6px,
    6px -6px,
    -6px 0;
  pointer-events: none;
}

/* --- Fade In Animation --- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(12px);
}

.fade-in.visible {
  animation: fadeIn 0.35s ease-out forwards;
}

/* --- Language Switcher --- */
.lang-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition);
  background: none;
  padding: 0;
}

.lang-flag:hover {
  border-color: var(--accent);
  transform: scale(1.1);
}

.lang-flag.active {
  border-color: var(--text);
}

.lang-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--surface);
  border-top: 1px solid rgba(168, 158, 145, 0.1);
  padding-top: 4rem;
  padding-bottom: 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-inner h6 {
  margin-bottom: 1rem;
  color: var(--text);
}

.footer-inner a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9375rem;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

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

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(168, 158, 145, 0.08);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

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

.footer-legal a:hover {
  color: var(--text);
}

/* --- Utility --- */
::selection {
  background-color: var(--primary);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* --- Responsive: Tablet (768px) --- */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --container-pad: 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .section {
    padding-top: clamp(3rem, 6vw, 5rem);
    padding-bottom: clamp(3rem, 6vw, 5rem);
  }

  .display-heading {
    font-size: clamp(2.25rem, 8vw, 3.5rem);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
}

/* --- Responsive: Mobile (480px) --- */
@media (max-width: 480px) {
  :root {
    --container-pad: 1rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Responsive: Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .nav-link {
    font-size: 0.8125rem;
  }
}

/* ── Image quality defaults ── */
img { object-fit: cover; max-width: 100%; height: auto; }
img[class*="logo"], img[class*="icon"], img[class*="flag"] { object-fit: contain; }