/* ============================================================
   WALLCO HOLDINGS — GLOBAL STYLESHEET
   ============================================================ */

:root {
  --ink:          #1C1C1C;
  --ink-soft:     #4A4A4A;
  --ink-muted:    #8A8A8A;
  --stone:        #F5F3EF;
  --stone-mid:    #E8E4DC;
  --linen:        #FAF9F6;
  --accent:       #7B6E5E;
  --accent-light: #C4B8A8;
  --white:        #FFFFFF;
  --ff-display:   'Cormorant Garamond', Georgia, serif;
  --ff-body:      'Inter', system-ui, sans-serif;
  --max:          1240px;
  --nav-h:        64px;
  --radius:       2px;
  --ease:         cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--linen);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

/* ── UTILITY ── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.section { padding: 96px 40px; }
.section-inner { max-width: var(--max); margin: 0 auto; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(250,249,246,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  display: flex; align-items: center;
}
.nav.scrolled {
  border-color: var(--stone-mid);
  box-shadow: 0 1px 16px rgba(28,28,28,0.06);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 40px;
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.nav-logo img { height: 36px; width: auto; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 13px; font-weight: 400; letter-spacing: 0.04em;
  color: var(--ink-soft); text-decoration: none;
  transition: color 0.2s;
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 1px;
  background: var(--accent); transform: scaleX(0);
  transition: transform 0.25s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 500; }
.nav-cta {
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  background: var(--ink); color: var(--white);
  padding: 9px 22px; border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.nav-cta:hover { background: var(--accent); }
.nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 36px; height: 36px; align-items: center; justify-content: center;
  color: var(--ink);
}
.nav-hamburger svg { pointer-events: none; }

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 190;
  background: var(--linen); flex-direction: column;
  padding: calc(var(--nav-h) + 32px) 40px 40px;
  gap: 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--ff-display);
  font-size: 36px; font-weight: 300;
  color: var(--ink); text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--stone-mid);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav .mobile-cta {
  font-family: var(--ff-body);
  font-size: 15px; font-weight: 500;
  background: var(--ink); color: var(--white);
  text-align: center; padding: 16px; margin-top: 32px;
  border-radius: var(--radius); border: none;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block; text-decoration: none;
  font-family: var(--ff-body); font-weight: 500;
  font-size: 13px; letter-spacing: 0.04em;
  padding: 13px 28px; border-radius: var(--radius);
  transition: background 0.2s, color 0.2s, transform 0.15s;
  cursor: pointer; border: none;
}
.btn:active { transform: scale(0.98); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--accent); }
.btn-light { background: var(--linen); color: var(--ink); }
.btn-light:hover { background: var(--stone-mid); }
.btn-outline {
  background: transparent; color: var(--ink);
  border: 1px solid var(--stone-mid);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost {
  background: none; color: var(--ink-soft); padding: 0;
  border-bottom: 1px solid var(--accent-light); border-radius: 0;
  padding-bottom: 2px; font-size: 13px; font-weight: 400;
}
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-strip {
  background: var(--ink); overflow: hidden;
  padding: 15px 0; white-space: nowrap;
}
.marquee-track {
  display: inline-flex; gap: 56px;
  animation: marquee 26s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}
.marquee-track span {
  font-family: var(--ff-display);
  font-size: 17px; font-weight: 300; font-style: italic;
  color: rgba(255,255,255,0.65); flex-shrink: 0;
}
.marquee-track .sep {
  font-style: normal; color: var(--accent-light); font-size: 13px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.5);
  padding: 64px 40px 32px;
}
.footer-inner { max-width: var(--max); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 56px;
}
.footer-brand-logo {
  height: 30px; width: auto; margin-bottom: 16px;
  filter: brightness(10); opacity: 0.6;
}
.footer-brand p {
  font-size: 13px; line-height: 1.75; max-width: 230px;
  color: rgba(255,255,255,0.45);
}
.footer-col-head {
  font-size: 10px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 13px; color: rgba(255,255,255,0.45);
  text-decoration: none; transition: color 0.2s;
}
.footer-col a:hover { color: rgba(255,255,255,0.9); }
.footer-contact-item { margin-bottom: 12px; }
.footer-contact-item span {
  display: block; font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 3px;
}
.footer-contact-item a, .footer-contact-item p {
  font-size: 13px; color: rgba(255,255,255,0.65);
  text-decoration: none; transition: color 0.2s;
}
.footer-contact-item a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; color: rgba(255,255,255,0.3);
  flex-wrap: wrap; gap: 8px;
}

/* ============================================================
   FAB — Floating WhatsApp Button
   ============================================================ */
.fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 300;
  display: flex; align-items: center;
  gap: 0; overflow: hidden;
  background: #25D366;
  border-radius: 50px;
  box-shadow: 0 4px 24px rgba(37,211,102,0.35);
  text-decoration: none; color: white;
  cursor: pointer;
  transition: box-shadow 0.3s var(--ease), background 0.2s;
  max-width: 56px;
  animation: fab-pop 0.5s 1.2s var(--ease) both;
}
@keyframes fab-pop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.fab:hover {
  max-width: 260px;
  background: #1ebe5d;
  box-shadow: 0 6px 28px rgba(37,211,102,0.45);
}
.fab-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.fab-icon svg { width: 26px; height: 26px; }
.fab-label {
  font-family: var(--ff-body);
  font-size: 13px; font-weight: 500;
  white-space: nowrap; padding-right: 20px;
  opacity: 0; transition: opacity 0.25s 0.1s;
  letter-spacing: 0.02em;
}
.fab:hover .fab-label { opacity: 1; }
.fab:focus-visible {
  outline: 3px solid #25D366; outline-offset: 3px;
}

/* ============================================================
   RESPONSIVE GLOBALS
   ============================================================ */
@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 64px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .site-footer { padding: 48px 20px 28px; }
  .fab { bottom: 20px; right: 20px; }
}