/* ==========================================================================
   Sweet Lips Bakery — main stylesheet (Part 3)
   Structure: 1 Tokens · 2 Base · 3 Layout · 4 Components · 5 Forms
              6 Interactive (tabs/accordion/dialog) · 7 Animations
              8 Responsive (media queries) · 9 Accessibility
   NOTE: :root holds custom properties ONLY (no responsive rules).
   ========================================================================== */

/* 1. Design tokens ------------------------------------------------------- */
:root {
  --pink: #f4b9c6;
  --peach: #f4a892;
  --brown: #3b2a12;
  --brown-dark: #2a1d0b;
  --brown-light: #52391a;
  --cream: #fff8ec;
  --muted: #e6d8c3;
  --gold: #d4af37;
  --gold-dark: #b8932a;
  --error: #ffb3b3;
  --ok: #b5ebbc;

  --font-head: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius: 14px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --max-width: 72rem;
  --gap: 1.5rem;
}

/* 2. Base ---------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--cream);
  background: var(--brown);
}

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

h1,
h2,
h3 {
  font-family: var(--font-head);
  line-height: 1.2;
  color: var(--peach);
  margin: 0 0 0.75rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); color: var(--cream); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a { color: var(--pink); text-underline-offset: 3px; }
a:hover,
a:focus-visible { color: var(--gold); }

.lead { font-size: 1.15rem; color: var(--muted); }
.muted { color: var(--muted); }

/* 3. Layout -------------------------------------------------------------- */
.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section { padding-block: 3.5rem; }
.section--alt { background: var(--brown-dark); }
.section-heading { text-align: center; margin-bottom: 2rem; }

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.grid--3 { grid-template-columns: repeat(3, 1fr); }
.two-col {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

/* Header & navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--brown-dark);
  border-bottom: 1px solid var(--brown-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.logo span { color: var(--pink); }
.logo--footer { font-size: 1.3rem; color: var(--cream); display: block; margin-bottom: 0.75rem; }
.caption { margin: 0; }
.center { text-align: center; }
.map-fallback { padding: 1rem; }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--cream);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--peach);
  border-bottom-color: var(--peach);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--muted);
  color: var(--cream);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font: inherit;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1rem;
  background:
    linear-gradient(rgba(42, 29, 11, 0.62), rgba(42, 29, 11, 0.78)),
    url("../images/hero-cake-display.svg") center / cover no-repeat;
}

.hero-content { max-width: 44rem; animation: fadeUp 0.9s ease both; }
.page-banner { padding-block: 3rem 1.5rem; text-align: center; }

/* Footer — four columns as per the Part 1 wireframe */
.site-footer {
  background: var(--brown-dark);
  border-top: 1px solid var(--brown-light);
  padding-block: 3rem 1.5rem;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.4rem; }
.copyright {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--brown-light);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* 4. Components ---------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 2px solid var(--gold);
  background: var(--gold);
  color: var(--brown-dark);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--brown-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn--ghost { background: transparent; color: var(--gold); }
.btn--ghost:hover,
.btn--ghost:focus-visible { background: var(--gold); color: var(--brown-dark); }
.btn--small { padding: 0.45rem 1rem; font-size: 0.9rem; }

.card {
  background: var(--brown-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover { transform: translateY(-6px); }
.card-body { padding: 1.25rem; }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--cream); }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: var(--pink);
  color: var(--brown-dark);
  margin-right: 0.3rem;
}

.price { color: var(--gold); font-weight: 700; font-size: 1.1rem; }

.cta-band {
  text-align: center;
  background: var(--brown-light);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
}

.panel {
  background: var(--brown-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

/* Gallery */
.gallery {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
}

.gallery-item {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  background: var(--cream);
  transition: transform 0.25s ease;
}

.gallery-item:hover,
.gallery-item:focus-visible { transform: scale(1.04); }
.gallery-item img { width: 100%; aspect-ratio: 1; object-fit: cover; }

/* Menu controls */
.menu-controls {
  display: grid;
  gap: 1rem;
  grid-template-columns: 2fr 1fr 1fr;
  margin-bottom: 1rem;
}

.filter-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.filter-btn {
  border: 2px solid var(--pink);
  background: transparent;
  color: var(--pink);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
}

.filter-btn[aria-pressed="true"],
.filter-btn:hover { background: var(--pink); color: var(--brown-dark); }
.results-count { color: var(--muted); margin-bottom: 1rem; }

/* Map */
#map { height: 22rem; border-radius: var(--radius); border: 2px solid var(--brown-light); }

/* 5. Forms --------------------------------------------------------------- */
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: 0.3rem; }
.field label,
.field legend { font-weight: 600; }
.req { color: var(--peach); }

input,
select,
textarea {
  width: 100%;
  font: inherit;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  border: 2px solid var(--muted);
  background: var(--cream);
  color: var(--brown-dark);
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

input[type="checkbox"] { width: auto; margin-right: 0.5rem; }
textarea { min-height: 8rem; resize: vertical; }

.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #d9534f; }

.error { color: var(--error); font-size: 0.9rem; min-height: 1.1em; margin: 0; }
.hint { color: var(--muted); font-size: 0.85rem; margin: 0; }
.form-row { display: grid; gap: 1.1rem; grid-template-columns: 1fr 1fr; }

.result-box {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 2px solid var(--gold);
  background: var(--brown-dark);
}

.result-box[hidden] { display: none; }
.result-box.is-warning { border-color: var(--peach); }
.breakdown { list-style: none; padding: 0; margin: 0 0 1rem; }
.breakdown li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.3rem 0; border-bottom: 1px dashed var(--brown-light); }
.breakdown .total { font-weight: 700; color: var(--gold); border-bottom: 0; }
.email-preview { white-space: pre-wrap; background: var(--cream); color: var(--brown-dark); padding: 1rem; border-radius: 10px; font-family: ui-monospace, Consolas, monospace; font-size: 0.9rem; }

/* 6. Tabs, accordion, dialogs -------------------------------------------- */
.tab-list { display: flex; flex-wrap: wrap; gap: 0.5rem; border-bottom: 2px solid var(--brown-light); margin-bottom: 1rem; }
.tab-list [role="tab"] {
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  padding: 0.6rem 1.1rem;
  font: inherit;
  cursor: pointer;
}

.tab-list [role="tab"][aria-selected="true"] { color: var(--peach); border-bottom-color: var(--peach); }
.tab-panel[hidden] { display: none; }
.tab-panel { animation: fadeUp 0.4s ease both; }

.accordion-item { border-bottom: 1px solid var(--brown-light); }
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  color: var(--cream);
  font: inherit;
  font-weight: 600;
  padding: 1rem 2rem 1rem 0;
  position: relative;
  cursor: pointer;
}

.accordion-trigger::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  color: var(--gold);
  font-size: 1.4rem;
  transition: transform 0.25s ease;
}

.accordion-trigger[aria-expanded="true"]::after { transform: rotate(45deg); }
.accordion-panel { padding-bottom: 1rem; color: var(--muted); }
.accordion-panel[hidden] { display: none; }

dialog {
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  max-width: min(92vw, 44rem);
  background: var(--brown-light);
  color: var(--cream);
  box-shadow: var(--shadow);
}

dialog::backdrop { background: rgba(0, 0, 0, 0.75); }
dialog[open] { animation: fadeUp 0.3s ease both; }
.dialog-body { padding: 1.5rem; }
.dialog-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--cream);
  color: var(--brown-dark);
  border: 0;
  border-radius: 999px;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 1.2rem;
  cursor: pointer;
}

.lightbox-img { width: min(92vw, 40rem); max-height: 70vh; object-fit: contain; background: var(--cream); }
.lightbox-nav { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; gap: 1rem; }

/* 7. Animations ---------------------------------------------------------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* 8. Responsive (media queries live OUTSIDE :root) ----------------------- */
@media (max-width: 62rem) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .menu-controls { grid-template-columns: 1fr 1fr; }
  .menu-controls .field:first-child { grid-column: 1 / -1; }
}

@media (max-width: 48rem) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--brown-dark); display: none; border-bottom: 1px solid var(--brown-light); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 0.5rem 1rem 1rem; }
  .site-nav a { display: block; padding: 0.75rem 0; }
  .two-col,
  .form-row,
  .menu-controls { grid-template-columns: 1fr; }
  .section { padding-block: 2.5rem; }
}

@media (max-width: 37.5rem) {
  .grid--3,
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 60vh; }
  .btn { width: 100%; text-align: center; }
  .header-inner .btn { display: none; }
}

/* 9. Accessibility ------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: var(--brown-dark);
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}