/* Discover Ugep — simplified navbar
   Colors inspired by the live site: cream ground, charcoal text, warm brown accent */

:root {
  --bg: #f7f3ec;
  --surface: #fffdf9;
  --ink: #2c241c;
  --muted: #6b5e52;
  --accent: #8b6914;
  --accent-soft: rgba(139, 105, 20, 0.12);
  --border: rgba(44, 36, 28, 0.1);
  --shadow: 0 12px 32px rgba(44, 36, 28, 0.1);
  --cta-bg: #2c241c;
  --cta-text: #fff8e7;
  --cta-hover: #8b6914;
  --logo-ring: rgba(44, 36, 28, 0.18);
  --logo-glow: transparent;
  --radius: 10px;
  --nav-height: 72px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
}

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

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

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

/* ----- Header shell ----- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 92%, white);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1180px;
  min-height: var(--nav-height);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ----- Brand ----- */

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

.brand-logo {
  width: 56px;
  height: 56px;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 50%;
  border: 2px solid var(--logo-ring);
  box-shadow: 0 0 0 2px var(--logo-glow);
  background: #000;
  display: block;
}

/* ----- Desktop nav ----- */

.nav-panel {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
}

.nav-link.is-active {
  color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--accent);
  border-radius: 0;
  padding-inline: 0.35rem;
  margin-inline: 0.5rem;
}

.chevron {
  transition: transform 0.2s ease;
}

.has-dropdown.is-open > .dropdown-trigger .chevron,
.has-dropdown:hover > .dropdown-trigger .chevron {
  transform: rotate(180deg);
}

/* ----- Dropdown ----- */

.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 0;
  min-width: 220px;
  padding: 0.45rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown,
.has-dropdown.is-open > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--ink);
}

.dropdown a:hover,
.dropdown a:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
}

/* ----- Donate CTA ----- */

.nav-cta {
  display: inline-flex;
  align-items: center;
  margin-left: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--cta-bg);
  color: var(--cta-text);
  font-size: 0.92rem;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--cta-hover);
  color: var(--cta-text);
  outline: none;
}

/* ----- Theme toggle + hamburger ----- */

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0 10px;
  border-radius: 8px;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----- Dark theme (demo toggle) ----- */

body.theme-dark {
  --bg: #1a1612;
  --surface: #241f1a;
  --ink: #f3ebe1;
  --muted: #b7a99a;
  --accent: #d4a017;
  --accent-soft: rgba(212, 160, 23, 0.16);
  --border: rgba(243, 235, 225, 0.12);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --cta-bg: #f3ebe1;
  --cta-text: #1a1612;
  --cta-hover: #d4a017;
  --logo-ring: rgba(243, 235, 225, 0.85);
  --logo-glow: rgba(212, 160, 23, 0.35);
}

/* ----- Preview content ----- */

.demo {
  max-width: 640px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem;
}

.demo-label {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.demo h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.demo p {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

.demo strong {
  color: var(--ink);
}

/* ----- Mobile ----- */

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .theme-toggle {
    order: 2;
  }

  .nav-toggle {
    order: 3;
  }

  .nav-panel {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    display: block;
    padding: 0.75rem 1.25rem 1.25rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .nav-panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
  }

  .nav-link.is-active {
    box-shadow: none;
    border-radius: 8px;
    margin: 0;
    padding: 0.75rem 0.9rem;
    background: var(--accent-soft);
  }

  .nav-link,
  .nav-cta {
    width: 100%;
    justify-content: space-between;
    border-radius: 8px;
    padding: 0.75rem 0.9rem;
  }

  .nav-cta {
    margin: 0.35rem 0 0;
    justify-content: center;
  }

  .dropdown {
    position: static;
    min-width: 0;
    margin: 0.15rem 0 0.35rem;
    box-shadow: none;
    border: 1px solid var(--border);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .has-dropdown.is-open > .dropdown {
    display: block;
  }

  /* Disable hover-open on touch layouts; JS sets .is-open */
  .has-dropdown:hover > .dropdown {
    display: none;
  }

  .has-dropdown.is-open:hover > .dropdown,
  .has-dropdown.is-open > .dropdown {
    display: block;
  }
}