:root {
  --color-primary: #2c2c2c;
  --color-primary-dark: #1a1a1a;
  --color-secondary: #f4e04d;
  --color-secondary-dark: #d4c03d;
  --color-accent: #ffed4e;
  --color-neutral-dark: #3a3a3a;
  --color-neutral: #666666;
  --color-neutral-light: #e8e8e8;
  --color-neutral-lighter: #f5f5f5;
  --color-white: #ffffff;
  --color-black: #0d0d0d;
  --color-success: #4caf50;
  --color-error: #d32f2f;
  --color-wood: #8b6f47;
  --color-wood-light: #a38968;
  --font-family-base: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-family-heading: 'Rockwell', 'Courier Bold', Georgia, serif;
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-sm: clamp(0.875rem, 0.85rem + 0.125vw, 1rem);
  --font-size-lg: clamp(1.125rem, 1.075rem + 0.25vw, 1.25rem);
  --font-size-xl: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --font-size-xxl: clamp(2rem, 1.75rem + 1.25vw, 3rem);
  --font-size-h1: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --font-size-h2: clamp(2rem, 1.75rem + 1.25vw, 3rem);
  --font-size-h3: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --font-size-h4: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --font-size-h5: clamp(1.125rem, 1.075rem + 0.25vw, 1.25rem);
  --font-size-h6: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  --line-height-tight: 1.2;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.6;
  --space-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
  --space-sm: clamp(0.5rem, 0.45rem + 0.25vw, 0.75rem);
  --space-md: clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
  --space-lg: clamp(1.5rem, 1.35rem + 0.75vw, 2.25rem);
  --space-xl: clamp(2rem, 1.75rem + 1.25vw, 3.5rem);
  --space-xxl: clamp(3rem, 2.5rem + 2.5vw, 5rem);
  --logo-w: 150px;
  --logo-h: 40px;
  --header-h: 64px;
  --max-width: 1280px;
  --content-max-width: 65ch;
  --z-nav: 1000;
  --z-modal: 2000;
  --z-overlay: 1500;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition-fast: 200ms ease-out;
  --transition-standard: 250ms ease-out;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --bp-sm: 640px;
  --bp-md: 1024px;
  --bp-lg: 1280px;
  --bp-xl: 1440px;
}

/* HEADER */
.dr-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: var(--header-h);
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.dr-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
}

.dr-header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.dr-header-logo-text {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.03em;
}

.dr-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.dr-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.dr-nav-link {
  color: var(--color-white);
  text-decoration: none;
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.dr-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-fast);
}

.dr-nav-link:hover,
.dr-nav-link:focus-visible {
  color: var(--color-secondary);
}

.dr-nav-link:hover::after,
.dr-nav-link:focus-visible::after {
  width: 100%;
}

/* BURGER BUTTON */
.dr-burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
  padding: 0;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.dr-burger-box {
  width: 20px;
  height: 16px;
  position: relative;
}

.dr-burger-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 999px;
  transition: transform var(--transition-standard), opacity var(--transition-standard), top var(--transition-standard), bottom var(--transition-standard);
}

.dr-burger-line:nth-child(1) { top: 0; }
.dr-burger-line:nth-child(2) { top: 7px; }
.dr-burger-line:nth-child(3) { bottom: 0; }

.dr-header.dr-open .dr-burger-line:nth-child(1) {
  top: 7px;
  transform: rotate(45deg);
}

.dr-header.dr-open .dr-burger-line:nth-child(2) {
  opacity: 0;
}

.dr-header.dr-open .dr-burger-line:nth-child(3) {
  bottom: auto;
  top: 7px;
  transform: rotate(-45deg);
}

/* MOBILE MENU */
.dr-mobile-menu {
  display: none;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.dr-header.dr-open + .dr-mobile-menu {
  display: block;
}

.dr-mobile-menu-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md);
}

.dr-mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.dr-mobile-nav-link {
  display: block;
  width: 100%;
  padding: var(--space-sm) 0;
  color: var(--color-white);
  text-decoration: none;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dr-mobile-nav-link:last-child {
  border-bottom: none;
}

.dr-mobile-nav-link:hover,
.dr-mobile-nav-link:focus-visible {
  color: var(--color-secondary);
}

/* FOOTER */
.dr-footer {
  background-color: var(--color-black);
  color: var(--color-neutral-lighter);
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  font-family: var(--font-family-base);
}

.dr-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  gap: var(--space-xl);
}

.dr-footer-brand-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.dr-footer-brand {
  display: flex;
  align-items: center;
}

.dr-footer-logo-text {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.dr-footer-contact {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-light);
}

.dr-footer-heading {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-h5);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.dr-footer-contact-item {
  margin: 0 0 var(--space-xs);
}

.dr-footer-contact-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-lighter);
}

.dr-footer-contact a {
  color: var(--color-neutral-lighter);
  text-decoration: none;
}

.dr-footer-contact a:hover,
.dr-footer-contact a:focus-visible {
  color: var(--color-secondary);
  text-decoration: underline;
}

.dr-footer-nav-legal {
  display: grid;
  gap: var(--space-lg);
}

.dr-footer-nav-list,
.dr-footer-legal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.dr-footer-nav-item a,
.dr-footer-legal-item a {
  color: var(--color-neutral-light);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.dr-footer-nav-item a:hover,
.dr-footer-nav-item a:focus-visible,
.dr-footer-legal-item a:hover,
.dr-footer-legal-item a:focus-visible {
  color: var(--color-secondary);
  text-decoration: underline;
}

.dr-footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-lg) auto 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.dr-footer-disclaimer {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-neutral);
}

.dr-footer-meta {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-neutral-light);
}

/* RESPONSIVE LAYOUTS */
@media (min-width: 768px) {
  /* Header: desktop */
  .dr-nav {
    display: flex;
  }

  .dr-burger {
    display: none;
  }

  .dr-mobile-menu {
    display: none !important;
  }

  /* Footer layout */
  .dr-footer-inner {
    grid-template-columns: 1.2fr 1.5fr;
    align-items: flex-start;
  }

  .dr-footer-nav-legal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dr-footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (max-width: 767px) {
  /* Header: mobile */
  .dr-nav {
    display: none;
  }

  .dr-burger {
    display: inline-flex;
  }

  .dr-footer {
    padding-inline: var(--space-md);
  }
}