/* ============================================================
   FourHome Pro — pro.fourhomeliving.com /pro/ path
   Only loaded by /pro/index.html — retail pages are unaffected.
   ============================================================ */

:root {
  /* Retail-derived base tokens (carried over from v1) */
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-alt: #F7F8FA;
  --color-border: #E5E7EB;
  --color-text: #111827;
  --color-text-muted: #64748B;
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-accent-contrast: #ffffff;

  /* Pro-specific palette: industrial B2B aesthetic */
  --pro-bg: #F4F5F7;
  --pro-surface: #FFFFFF;
  --pro-border: #E2E5EA;
  --pro-text-primary: #0F1419;
  --pro-text-secondary: #5B6370;
  --pro-text-muted: #8A919E;
  --pro-accent-primary: #1E3A5F;
  --pro-accent-secondary: #6B7685;
  --pro-cta: #C48A3C;
  --pro-cta-hover: #A87528;
  --pro-success: #2D6A4F;
  --pro-success-bg: #E6F2EC;

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 20px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--pro-text-primary);
  background: var(--pro-bg);
}

h1, h2, h3, h4 {
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--pro-accent-primary);
}
h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* -------- Nav -------- */
.pro-nav {
  position: sticky; top: 0; z-index: 99;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--pro-border);
  padding: 10px 0;
}
.pro-nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.pro-nav-logo {
  display: flex; align-items: center; gap: 7px;
  font-weight: 800; font-size: 0.95rem;
  color: var(--pro-accent-primary);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.pro-nav-logo svg { width: 24px; height: 24px; }
.pro-nav-logo .pro-badge {
  font-size: 0.7rem; padding: 2px 7px;
  background: var(--pro-accent-primary); color: #fff;
  border-radius: 3px; letter-spacing: 0.05em;
}
.pro-nav-links { display: flex; align-items: center; gap: 18px; }
.pro-nav-links a {
  font-size: 0.82rem; font-weight: 600;
  color: var(--pro-text-secondary);
}
.pro-nav-links a:hover { color: var(--pro-accent-primary); text-decoration: none; }
.pro-nav-links a[aria-current="page"] {
  color: var(--pro-accent-primary);
  font-weight: 700;
}
.pro-nav-links a.nb {
  background: var(--color-accent); color: #fff !important;
  padding: 7px 16px; border-radius: 6px; font-size: 0.78rem;
}
.pro-nav-links a.nb:hover { background: var(--color-accent-hover); }

/* -------- Hero (compact, max ~200px) -------- */
.pro-hero {
  position: relative; overflow: hidden;
  background: var(--pro-surface);
  border-bottom: 1px solid var(--pro-border);
}
.pro-hero-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.4) 100%), url('/assets/images/pro_hero.jpg');
  background-size: cover; background-position: right center;
  pointer-events: none;
}
.pro-hero-inner {
  position: relative; z-index: 1;
  max-width: var(--max-width); margin: 0 auto; padding: 28px 20px;
  min-height: 160px;
  display: flex; align-items: center;
}
.pro-hero-text { flex: 1 1 auto; max-width: 760px; }
.pro-hero h1 {
  font-size: 1.75rem; line-height: 1.15;
  color: var(--pro-accent-primary);
}
.pro-hero p {
  margin-top: 8px; font-size: 0.95rem; color: var(--pro-text-secondary);
}

/* -------- Value prop bar (single row, 4 items) -------- */
.pro-valueprops { background: var(--pro-accent-primary); padding: 0; }
.pro-valueprops-row {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: flex; justify-content: space-between; align-items: center;
  min-height: 44px;
}
.pro-valueprops-row .vp {
  display: flex; align-items: center; gap: 7px;
  color: #fff; font-size: 0.78rem; font-weight: 600;
  padding: 10px 0;
}
.pro-valueprops-row .vp svg { width: 16px; height: 16px; flex-shrink: 0; }

/* -------- Catalog -------- */
.pro-catalog { padding: 32px 0 40px; }
.pro-catalog-head { margin-bottom: 14px; }
.pro-catalog-head h2 { color: var(--pro-accent-primary); font-size: 1.375rem; }
.pro-catalog-head p { color: var(--pro-text-secondary); font-size: 0.85rem; margin-top: 3px; }

.pro-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.pro-filters button {
  background: var(--pro-surface); border: 1px solid var(--pro-border);
  color: var(--pro-text-secondary); padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.78rem; font-weight: 600;
  cursor: pointer;
}
.pro-filters button:hover { border-color: var(--pro-accent-primary); color: var(--pro-accent-primary); }
.pro-filters button.active { background: var(--pro-accent-primary); border-color: var(--pro-accent-primary); color: #fff; }

.pro-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 1079px) { .pro-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 799px)  { .pro-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 599px)  { .pro-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.pro-card {
  background: var(--pro-surface); border: 1px solid var(--pro-border);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex; flex-direction: column;
  transition: box-shadow 0.15s, transform 0.15s;
}
.pro-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.pro-card-img {
  aspect-ratio: 1 / 1;
  background: #f4f5f7;
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
  padding: 8px;
}
.pro-card-img img { width: 100%; height: 100%; object-fit: contain; }

/* -------- Ship-info banner -------- */
.ship-info-banner {
  background: #F4F5F7;
  border-left: 4px solid var(--pro-accent-primary);
  padding: 14px 16px;
  margin: 20px 0 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--pro-text-primary);
}
.ship-info-banner strong { color: var(--pro-accent-primary); }
.pro-fastship {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--pro-success-bg); color: var(--pro-success);
  padding: 2px 6px; border-radius: 3px;
  font-size: 0.62rem; font-weight: 700;
  margin-bottom: 6px; align-self: flex-start;
}
.pro-card-desc {
  font-size: 0.78rem; color: var(--pro-text-primary); font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; text-overflow: ellipsis;
  min-height: 2.34em; line-height: 1.17;
  margin-bottom: 5px;
}
.pro-card-sku {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem; color: var(--pro-text-primary); letter-spacing: 0.02em;
}
.pro-card-factory { font-size: 0.65rem; color: var(--pro-text-muted); margin-bottom: 8px; }
/* -------- Shoppable price block (v3 card) -------- */
.pro-price-block {
  margin-top: auto;
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pro-price-qty-row {
  display: flex; align-items: center; gap: 8px;
}
.pro-price-qty-row > label {
  font-size: 0.72rem; color: var(--pro-text-muted);
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.pro-qty-input {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--pro-border);
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.95rem; font-weight: 700;
  text-align: center;
  background: var(--pro-surface); color: var(--pro-text-primary);
  min-width: 0;
}
.pro-qty-input:focus { outline: 2px solid var(--pro-accent-primary); outline-offset: 0; border-color: var(--pro-accent-primary); }
.pro-price-current {
  font-size: 1.5rem; font-weight: 700; line-height: 1.1;
  color: var(--pro-accent-primary);
  letter-spacing: -0.01em;
}
.pro-price-current .per-unit {
  font-size: 0.75rem; font-weight: 600;
  color: var(--pro-text-muted);
  margin-left: 4px;
}
.pro-price-hint {
  font-size: 0.72rem;
  color: var(--pro-cta-hover);
  font-weight: 600;
  line-height: 1.25;
  min-height: 1em;
}
.pro-price-hint.hidden { display: none; }
.pro-line-total {
  font-size: 0.74rem;
  color: var(--pro-text-secondary);
  font-weight: 600;
}
.pro-line-total strong {
  color: var(--pro-text-primary);
  font-weight: 700;
}
.pro-add-to-cart {
  width: 100%;
  background: var(--pro-cta); color: #fff;
  border: 0;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.85rem; font-weight: 700;
  cursor: pointer;
  transition: background 0.1s;
  margin-top: 2px;
}
.pro-add-to-cart:hover { background: var(--pro-cta-hover); }
.pro-add-to-cart.added { background: var(--pro-success); }

/* -------- Category section headers (sticky) -------- */
.pro-section-header {
  position: sticky;
  top: 54px;
  z-index: 10;
  background: var(--pro-bg);
  padding: 16px 0 12px;
  margin: 28px 0 16px;
  font-size: 22px;
  font-weight: 700;
  color: var(--pro-accent-primary);
  border-bottom: 2px solid var(--pro-accent-primary);
  letter-spacing: -0.015em;
}
.pro-section-header:first-child { margin-top: 8px; }
.pro-section-header.empty { display: none; }
.pro-section-grid + .pro-section-header { margin-top: 36px; }

/* -------- Save-more banner -------- */
.pro-savemore { background: var(--pro-accent-primary); color: #fff; padding: 32px 0; }
.pro-savemore-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  flex-wrap: wrap;
}
.pro-savemore h3 { color: #fff; font-size: 1.25rem; margin-bottom: 4px; }
.pro-savemore p { color: rgba(255,255,255,0.85); font-size: 0.9rem; max-width: 680px; }
.pro-savemore .btn-cta {
  background: var(--pro-cta); color: #fff;
  padding: 11px 22px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.9rem;
  white-space: nowrap;
}
.pro-savemore .btn-cta:hover { background: var(--pro-cta-hover); text-decoration: none; }

/* -------- Manufacturing section -------- */
.pro-mfg { padding: 48px 0; background: var(--pro-surface); border-top: 1px solid var(--pro-border); }
.pro-mfg h2 { color: var(--pro-accent-primary); margin-bottom: 20px; font-size: 1.375rem; }
.pro-mfg-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 799px) { .pro-mfg-row { grid-template-columns: 1fr; } }
.pro-mfg-col { background: var(--pro-bg); border-radius: var(--radius-md); overflow: hidden; }
.pro-mfg-col img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.pro-mfg-col-body { padding: 16px; }
.pro-mfg-col h3 { color: var(--pro-accent-primary); font-size: 1rem; margin-bottom: 4px; }
.pro-mfg-col p { color: var(--pro-text-secondary); font-size: 0.85rem; }

/* -------- FAQ accordion -------- */
.pro-faq { padding: 48px 0; background: var(--pro-bg); }
.pro-faq h2 { color: var(--pro-accent-primary); margin-bottom: 18px; font-size: 1.375rem; }
.pro-faq details {
  background: var(--pro-surface);
  border: 1px solid var(--pro-border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
}
.pro-faq summary {
  padding: 14px 18px;
  font-weight: 700; color: var(--pro-accent-primary);
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.95rem;
}
.pro-faq summary::-webkit-details-marker { display: none; }
.pro-faq summary::after {
  content: '+'; font-size: 1.25rem; font-weight: 400;
  color: var(--pro-text-muted);
}
.pro-faq details[open] summary::after { content: '−'; }
.pro-faq details[open] summary { border-bottom: 1px solid var(--pro-border); }
.pro-faq-body {
  padding: 14px 18px;
  color: var(--pro-text-secondary);
  font-size: 0.88rem; line-height: 1.55;
}

/* -------- Footer -------- */
.pro-footer { background: var(--pro-accent-primary); color: #fff; padding: 40px 0 20px; }
.pro-footer-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
}
@media (max-width: 799px) { .pro-footer-inner { grid-template-columns: 1fr 1fr; } }
.pro-footer h4 {
  font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.6); margin-bottom: 8px;
}
.pro-footer p { color: rgba(255,255,255,0.75); font-size: 0.82rem; line-height: 1.55; }
.pro-footer a { display: block; color: rgba(255,255,255,0.85); font-size: 0.82rem; margin-bottom: 4px; }
.pro-footer a:hover { color: #fff; text-decoration: underline; }
.pro-footer-bottom {
  max-width: var(--max-width); margin: 22px auto 0; padding: 16px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* -------- Cart drawer -------- */
.pro-cart-drawer {
  position: fixed; top: 0; right: 0; width: 360px; max-width: 90vw; height: 100vh;
  background: var(--pro-surface); border-left: 1px solid var(--pro-border);
  box-shadow: var(--shadow-md);
  transform: translateX(100%); transition: transform 0.2s ease-out;
  z-index: 200; display: flex; flex-direction: column;
}
.pro-cart-drawer.open { transform: translateX(0); }
.pro-cart-head {
  padding: 14px 18px; border-bottom: 1px solid var(--pro-border);
  display: flex; justify-content: space-between; align-items: center;
}
.pro-cart-head h3 { color: var(--pro-accent-primary); font-size: 1rem; }
.pro-cart-close { background: none; border: 0; font-size: 1.25rem; cursor: pointer; color: var(--pro-text-muted); line-height: 1; padding: 4px 8px; }
.pro-cart-body { flex: 1; overflow-y: auto; padding: 12px 18px; }
.pro-cart-empty { color: var(--pro-text-muted); font-size: 0.85rem; padding: 20px 0; text-align: center; }
.pro-cart-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--pro-border); font-size: 0.8rem; }
.pro-cart-item-desc { flex: 1; line-height: 1.3; }
.pro-cart-item-sku { color: var(--pro-text-muted); font-size: 0.68rem; margin-top: 2px; }
.pro-cart-item-price { text-align: right; font-weight: 700; }
.pro-cart-item-remove { background: none; border: 0; color: var(--pro-text-muted); cursor: pointer; font-size: 0.72rem; margin-top: 4px; text-decoration: underline; padding: 0; }
.pro-cart-foot {
  padding: 14px 18px; border-top: 1px solid var(--pro-border);
  background: var(--pro-bg);
}
.pro-cart-totalrow { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: 10px; }
.pro-cart-total { color: var(--pro-accent-primary); font-size: 1.1rem; }
.pro-cart-checkout {
  width: 100%; background: var(--pro-cta); color: #fff; border: 0;
  padding: 12px 16px; border-radius: var(--radius-sm); font-weight: 700; cursor: pointer;
  font-family: inherit; font-size: 0.9rem;
}
.pro-cart-checkout:hover { background: var(--pro-cta-hover); }
.pro-cart-checkout:disabled { background: var(--pro-text-muted); cursor: not-allowed; }
.pro-cart-trigger {
  position: fixed; bottom: 24px; right: 24px; z-index: 150;
  background: var(--pro-accent-primary); color: #fff;
  border: 0; padding: 12px 18px; border-radius: 999px;
  font-family: inherit; font-weight: 700; font-size: 0.85rem;
  box-shadow: var(--shadow-md); cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
}
.pro-cart-trigger:hover { background: #15324f; }
.pro-cart-trigger .count {
  background: var(--pro-cta); color: #fff;
  border-radius: 999px; padding: 2px 7px; font-size: 0.7rem; font-weight: 700;
}
.pro-cart-trigger.hidden { display: none; }

/* -------- Small screens -------- */
@media (max-width: 799px) {
  .pro-hero-inner { flex-direction: column; align-items: flex-start; min-height: 0; padding: 20px 16px; }
  .pro-hero-text, .pro-hero-badges { flex-basis: auto; width: 100%; }
  .pro-hero-badges { flex-direction: row; flex-wrap: wrap; gap: 6px; justify-content: flex-start; }
  .pro-savemore-inner { flex-direction: column; align-items: flex-start; }
  .pro-valueprops-row { flex-wrap: wrap; gap: 8px; padding: 8px 16px; }
}