/* ============================================================
   Main Styles — Global layout, nav, footer, utilities
   ============================================================ */

@import './variables.css';

/* --- Reset & Base --- */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* --- Typography Helpers --- */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 400;
  margin-top: var(--space-2);
}

/* --- Layout Container --- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* ============================================================
   Navigation
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-text);
}

/* Search button in nav */
.nav__search-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition);
  padding: 0;
}

.nav__search-btn:hover {
  color: var(--color-text);
}

.nav__search-btn svg {
  width: 18px;
  height: 18px;
}

/* Mobile hamburger (hidden on desktop) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition);
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-4);
    gap: var(--space-6);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__search-btn span {
    display: none;
  }
}

/* ============================================================
   Search Overlay
   ============================================================ */

.search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(250, 250, 248, 0.97);
  padding: var(--space-8) var(--space-4);
}

.search-overlay.open {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.search-overlay__close {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-2xl);
  color: var(--color-muted);
  line-height: 1;
  padding: var(--space-2);
  margin-bottom: var(--space-8);
}

.search-overlay__form {
  display: flex;
  width: 100%;
  max-width: 640px;
  border-bottom: 2px solid var(--color-text);
}

.search-overlay__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-text);
  padding: var(--space-3) 0;
}

.search-overlay__input::placeholder {
  color: var(--color-border);
}

.search-overlay__submit {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--space-3);
}

.search-overlay__submit svg {
  width: 24px;
  height: 24px;
}

.search-results {
  width: 100%;
  max-width: 640px;
  margin-top: var(--space-8);
}

.search-results__item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  transition: opacity var(--transition);
}

.search-results__item:hover {
  opacity: 0.75;
}

.search-results__thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-border);
}

.search-results__info {
  flex: 1;
}

.search-results__title {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
}

.search-results__meta {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: var(--space-1);
}

.search-results__price {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  align-self: center;
}

.search-no-results {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-muted);
  text-align: center;
  margin-top: var(--space-12);
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  margin-top: var(--space-24);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
  background-color: var(--color-surface);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
}

.footer__brand {
  max-width: 300px;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

.footer__nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav a {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition);
}

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

.footer__copy {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-align: center;
}

.footer__inventory-note {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-style: italic;
  margin-top: var(--space-2);
}

@media (max-width: 768px) {
  .footer__inner {
    flex-direction: column;
  }
}

/* ============================================================
   Utility Classes
   ============================================================ */

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

.text-accent { color: var(--color-accent); }
.text-muted  { color: var(--color-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 1px solid currentColor;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-text);
  color: var(--color-surface);
  border-color: var(--color-text);
}

.btn--primary:hover {
  background-color: #444;
}

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

.btn--outline:hover {
  background-color: var(--color-text);
  color: var(--color-surface);
}

.btn--gold {
  background-color: var(--color-accent);
  color: var(--color-surface);
  border-color: var(--color-accent);
}

.btn--gold:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-16) 0;
}

/* Page header (used on inner pages) */
.page-header {
  padding: var(--space-12) 0 var(--space-10);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-12);
}

.page-header__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.page-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 400;
}

.page-header__meta {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-8);
}

.breadcrumb a {
  color: var(--color-muted);
  transition: color var(--transition);
}

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

.breadcrumb__sep {
  color: var(--color-border);
}