/* ═══════════════════════════════════════════════════════════════════════════
   ELAAF — Responsive Breakpoints
   Mobile-first approach: styles apply up, then override at breakpoints.
   Breakpoints: 480px | 768px | 1024px | 1280px | 1440px
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Mobile Base (everything below 768px) ────────────────────────────────── */
@media (max-width: 767px) {

  /* Prevent ANY horizontal overflow */
  html, body { overflow-x: hidden; max-width: 100vw; }

  /* Container */
  .container { padding-inline: var(--space-4); }

  /* Section spacing reduced */
  .section   { padding-block: var(--space-12); }
  .section--lg { padding-block: var(--space-16); }

  /* Typography clamp works naturally — additional overrides */
  .section-header { margin-bottom: var(--space-8); }
  .section-header__subtitle { font-size: var(--text-sm); }

  /* Grid — mobile: 2 columns */
  .grid--2, .grid--3, .grid--4, .grid--5 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .grid--1-mobile { grid-template-columns: 1fr !important; }

  /* ── HEADER MOBILE FIXES ── */
  .header-main {
    padding-inline: var(--space-3);
    height: var(--header-height-mobile);
    gap: var(--space-2);
  }

  /* Show hamburger button */
  .nav-toggle {
    display: flex !important;
    flex-shrink: 0;
    order: -1; /* Always first */
  }

  /* Hide desktop nav */
  .main-nav { display: none !important; }

  /* Logo — shrink to fit */
  .site-logo {
    flex: 1;
    min-width: 0;
    overflow: hidden;
  }
  .site-logo__text {
    font-size: var(--text-lg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .site-logo__tagline { display: none; } /* Hide tagline on mobile */

  /* Hide SIGN IN button on mobile — use hamburger menu instead */
  .site-header .btn--outline { display: none !important; }

  /* Keep action buttons compact */
  .header-actions { gap: var(--space-1); flex-shrink: 0; }
  .header-action-btn { width: 38px; height: 38px; }

  /* Product card — reduced padding */
  .product-card__body { padding: var(--space-3); }
  .product-card__name { font-size: var(--text-sm); }
  .product-card__add  { opacity: 1; transform: none; } /* Always visible on mobile */
  .product-card__actions { opacity: 1; transform: none; top: auto; bottom: var(--space-3); }

  /* Footer — single column */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-5);
  }

  /* Hero adjustments */
  .hero__title   { font-size: clamp(1.75rem, 8vw, 2.5rem); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { text-align: center; }

  /* Checkout / Forms */
  .checkout-grid { grid-template-columns: 1fr; }
  .form-row      { grid-template-columns: 1fr !important; }

  /* Product detail */
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-gallery     { margin-bottom: var(--space-6); }

  /* Account sidebar */
  .account-layout  { grid-template-columns: 1fr; }
  .account-sidebar { display: none; }

  /* Admin — sidebar hidden by default, toggle opens it */
  .admin-sidebar { transform: translateX(-100%); }
  .admin-content { margin-left: 0; }
  .admin-page { padding: var(--space-4); }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .admin-topbar { padding-inline: var(--space-3); }
  .admin-topbar__title { font-size: var(--text-base); }
  .admin-user-pill span { display: none; } /* hide name, keep avatar */
}

/* ── Small Mobile (below 480px) ──────────────────────────────────────────── */
@media (max-width: 479px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  .hero__title { font-size: 1.75rem; }
  .site-logo__text { font-size: var(--text-xl); }
}

/* ── Tablet (768px – 1023px) ─────────────────────────────────────────────── */
@media (min-width: 768px) and (max-width: 1023px) {

  /* Grid — tablet: 3 columns */
  .grid--4 { grid-template-columns: repeat(3, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }

  /* Header — show nav but compact */
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
  .nav-link { padding: var(--space-2) var(--space-3); font-size: var(--text-xs); }

  /* Footer — 2 columns */
  .footer-top { grid-template-columns: 1fr 1fr; gap: var(--space-8); }

  /* Product detail */
  .product-detail-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }

  /* Account */
  .account-layout { grid-template-columns: 220px 1fr; }
}

/* ── Desktop (1024px+) ───────────────────────────────────────────────────── */
@media (min-width: 1024px) {

  /* Grid */
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }

  /* Nav always visible */
  .main-nav  { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none; }

  /* Footer */
  .footer-top { grid-template-columns: 2fr 1fr 1fr 1fr; }

  /* Product detail */
  .product-detail-grid { grid-template-columns: 1.1fr 0.9fr; gap: var(--space-12); }

  /* Account */
  .account-layout { grid-template-columns: 260px 1fr; gap: var(--space-8); }

  /* Admin */
  .admin-sidebar { transform: translateX(0); }
}

/* ── Large Desktop (1280px+) ─────────────────────────────────────────────── */
@media (min-width: 1280px) {
  .container { padding-inline: var(--space-8); }
}

/* ── Extra Large (1440px+) ───────────────────────────────────────────────── */
@media (min-width: 1440px) {
  .hero { min-height: 80vh; }
}

/* ── Product grid responsive (used on category/listing pages) ─────────────── */
.product-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(2, 1fr);   /* Mobile: 2 */
}
@media (min-width: 768px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
}
@media (min-width: 1024px) {
  .product-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── Product listing layout ──────────────────────────────────────────────── */
.listing-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

/* Default: single column (mobile) */
.listing-layout {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

/* Desktop: sidebar + products */
@media (min-width: 1024px) {
  .listing-layout {
    grid-template-columns: 260px 1fr;
  }

  #open-filters {
    display: none !important;
  }
}

/* ── Filter sidebar ──────────────────────────────────────────────────────── */
/* Mobile: hidden fixed drawer, slides in from right */
.filter-panel {
  display: none;
  position: fixed;
  inset: 0 0 0 auto;
  width: min(85vw, 320px);
  background: var(--clr-surface);
  z-index: var(--z-modal);
  padding: var(--space-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-modal);
}
.filter-panel.is-open {
  display: block;
  transform: translateX(0);
}
.filter-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

/* Desktop: static sidebar, always visible */
@media (min-width: 1024px) {
  .filter-panel {
    display: block !important;   /* always shown */
    position: sticky;
    top: 90px;
    width: auto;
    transform: none;
    box-shadow: none;
    padding: 0;
    overflow: visible;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    background: transparent;
  }
  .filter-panel #close-filters {
    display: none !important;
  }
}

/* ── Hero Slider responsive ──────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 72px); /* Fill screen below header */
  background: var(--clr-muted);
}
.hero__slide {
  width: 100%;
  height: calc(100vh - 72px); /* Always exactly full viewport height */
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: stretch;
  position: relative;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.15) 70%, transparent 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 600px;
  padding: var(--space-8) var(--space-8);
  color: #fff;
  display: flex;
  flex-direction: column;
  /* Text at top half, buttons pinned to bottom half */
  justify-content: flex-end;
  padding-bottom: 15%; /* buttons sit in lower portion */
}
.hero__text-area {
  /* Reserve top 50% for text content */
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-6);
  min-height: 50%;
}
.hero__eyebrow {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  opacity: 0.9;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  min-height: 1px; /* Always occupies space even when empty */
}
.hero__subtitle {
  font-size: var(--text-md);
  opacity: 0.9;
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}
.hero__actions {
  display: flex;
  flex-direction: row; /* Buttons side-by-side */
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}

/* Hero slider controls */
.hero__controls {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 3;
}
.hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.hero__dot.is-active {
  width: 24px;
  border-radius: var(--radius-full);
  background: #fff;
}
.hero__nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  font-size: 1.25rem;
}
.hero__nav-btn:hover  { background: rgba(255,255,255,0.3); }
.hero__nav-btn--prev  { left: var(--space-4); }
.hero__nav-btn--next  { right: var(--space-4); }

@media (min-width: 768px) {
  .hero { min-height: calc(100vh - 80px); }
  .hero__content { padding: var(--space-20) var(--space-12); }
}
@media (min-width: 1024px) {
  .hero { min-height: calc(100vh - 88px); }
  .hero__nav-btn { width: 52px; height: 52px; }
}

/* ── Checkout responsive layout ──────────────────────────────────────────── */
.checkout-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .checkout-grid { grid-template-columns: 1fr 400px; }
}

/* ── Form row (2-column) ─────────────────────────────────────────────────── */
.form-row {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .form-row--2 { grid-template-columns: 1fr 1fr; }
  .form-row--3 { grid-template-columns: 1fr 1fr 1fr; }
}