/* ============================================================
   OUTDOOR FURNITURE VIỆT NAM – MAIN STYLESHEET
   Primary: #1a6060 (dark teal from logo)
   ============================================================ */

:root {
  --primary: #1a6060;
  --primary-dark: #124444;
  --primary-light: #24837f;
  --primary-ultra-light: #e8f4f4;
  --accent: #c8a96e;
  --text-dark: #1a1a1a;
  --text-mid: #4a4a4a;
  --text-light: #777;
  --white: #ffffff;
  --bg-light: #f8f6f2;
  --bg-section: #fafaf8;
  --border: #e0e0e0;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 40px rgba(26,96,96,0.18);
  --radius: 4px;
  --transition: 0.3s ease;
  --logo-scale: 2.5;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Be Vietnam Pro', 'Montserrat', sans-serif; font-weight: 400; color: var(--text-dark); background: var(--white); line-height: 1.75; font-size: 15px; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.center-btn { text-align: center; margin-top: 48px; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.section-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ============================================================
   HEADINGS – Montserrat uppercase
   ============================================================ */
h1, h2, h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.15;
}
h1 { font-size: clamp(28px, 6vw, 56px); }
h2 { font-size: clamp(22px, 3.5vw, 38px); }
h3 { font-size: clamp(16px, 2vw, 22px); }
p, li, span, a {
  font-family: 'Be Vietnam Pro', 'Montserrat', sans-serif;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--primary); }
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.8);
}
.btn-outline-white:hover { background: var(--white); color: var(--primary); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  transition: all var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 110px;
}
.logo-link { display: flex; align-items: center; }
.logo-img {
  height: calc(44px * var(--logo-scale));
  width: auto;
  object-fit: contain;
  max-height: 170px;
}

/* Keep logo within header */
.header-inner .logo-img { max-height: 100px; }

.main-nav .nav-list { display: flex; align-items: center; gap: 8px; }
.main-nav .nav-list > li { position: relative; }
.main-nav .nav-list > li > a {
  display: block;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-dark);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.main-nav .nav-list > li > a:hover,
.main-nav .nav-list > li.active > a { color: var(--primary); }

/* Dropdown */
.has-dropdown .dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  border-top: 2px solid var(--primary);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 12px;
  color: var(--text-mid);
  border-bottom: 1px solid var(--bg-light);
  transition: all var(--transition);
}
.dropdown li a:hover { background: var(--primary-ultra-light); color: var(--primary); padding-left: 26px; }

.header-actions { display: flex; align-items: center; gap: 16px; }

/* Search + Lang utils */
.header-utils { display: flex; align-items: center; gap: 10px; }
.search-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-dark); padding: 6px;
  display: flex; align-items: center;
  transition: color var(--transition);
}
.search-btn:hover { color: var(--primary); }
.lang-divider { color: #ccc; font-size: 14px; }
.lang-switch { display: flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.lang-btn { color: var(--text-mid); text-decoration: none; transition: color var(--transition); }
.lang-btn:hover { color: var(--primary); }
.lang-btn.active { color: var(--primary); }
.lang-sep { color: #ccc; font-size: 11px; }

/* Search overlay */
.search-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(10,10,10,.92);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 140px;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
  backdrop-filter: blur(6px);
}
.search-overlay.open { opacity: 1; pointer-events: all; }
.search-box {
  width: 100%; max-width: 680px;
  padding: 0 24px;
  transform: translateY(-20px);
  transition: transform .35s ease;
}
.search-overlay.open .search-box { transform: translateY(0); }
.search-label {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin-bottom: 20px;
}
.search-input-wrap {
  display: flex; align-items: center; gap: 16px;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 12px;
}
.search-input-wrap input {
  flex: 1; background: none; border: none; outline: none;
  font-size: clamp(24px, 4vw, 36px);
  color: var(--white);
  font-family: 'Montserrat', sans-serif; font-weight: 300;
  caret-color: var(--primary);
}
.search-input-wrap input::placeholder { color: rgba(255,255,255,.3); }
.search-close {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.6); font-size: 28px; line-height: 1;
  transition: color .2s; padding: 4px;
}
.search-close:hover { color: var(--white); }
.search-hint { font-size: 12px; color: rgba(255,255,255,.35); margin-top: 16px; }

.header-phone {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.header-phone:hover { color: var(--primary-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-dark); transition: all var(--transition); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,96,96,0.75) 0%, rgba(18,68,68,0.6) 50%, rgba(0,0,0,0.4) 100%); }
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 800px;
}
.hero-tagline {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
}
.hero-title {
  font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em;
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-title span { color: var(--accent); }
.hero-sub {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  letter-spacing: 0.5px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.scroll-line { width: 1px; height: 40px; background: rgba(255,255,255,0.4); }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--primary);
  color: var(--white);
  padding: 24px 0;
}
.stats-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.stat-item { text-align: center; padding: 12px 32px; }
.stat-number { display: block; font-size: 28px; font-weight: 700; font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent); }
.stat-label { display: block; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.8); margin-top: 4px; }
.stat-divider { width: 1px; height: 48px; background: rgba(255,255,255,0.2); }

/* ============================================================
   STORY SECTION
   ============================================================ */
.story-section { padding: 100px 0; background: var(--white); }
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.story-text p {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-weight: 300;
  color: var(--text-mid);
  font-size: 15px;
  margin-bottom: 20px;
  line-height: 1.8;
}
.story-text p strong {
  font-weight: 700;
  color: var(--primary);
  font-family: 'Be Vietnam Pro', sans-serif;
}
.story-text .btn { margin-top: 16px; }
.story-images { position: relative; }
.story-img-main { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.story-img-main img { width: 100%; height: 420px; object-fit: cover; }
.story-img-secondary {
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 4px solid var(--white);
}
.story-img-secondary img { width: 100%; height: 160px; object-fit: cover; }

/* ============================================================
   PROCESS SECTION
   ============================================================ */
.process-section { padding: 100px 0; background: var(--primary-ultra-light); }
.process-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 16px;
}
.process-item {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  transition: all var(--transition);
}
.process-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.process-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.process-icon { font-size: 36px; margin-bottom: 16px; margin-top: 8px; }
.process-item h3 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.process-item p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }
.process-arrow { font-size: 24px; color: var(--primary-light); padding: 80px 8px 0; align-self: flex-start; }

/* ============================================================
   COLLECTION SECTION
   ============================================================ */
.collection-section { padding: 100px 0; background: var(--white); }
.collection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}
.collection-card { position: relative; overflow: hidden; border-radius: var(--radius); cursor: pointer; }
.collection-card.large { grid-column: 1 / 3; }
.collection-card img { width: 100%; height: 360px; object-fit: cover; transition: transform 0.5s ease; }
.collection-card:not(.large) img { height: 172px; }
.collection-card:hover img { transform: scale(1.05); }
.collection-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,96,96,0.75) 0%, rgba(26,96,96,0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 32px;
  transition: all var(--transition);
}
.collection-card:hover .collection-overlay { background: linear-gradient(to top, rgba(18,68,68,0.85) 0%, rgba(18,68,68,0.3) 60%, transparent 100%); }
.collection-overlay h3 { color: var(--white); font-size: 16px; font-weight: 700; letter-spacing: 2px; margin-bottom: 16px; text-align: center; }
.collection-overlay .btn { opacity: 0; transform: translateY(10px); transition: all var(--transition); }
.collection-card:hover .collection-overlay .btn { opacity: 1; transform: translateY(0); }

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products-section { padding: 100px 0; background: var(--bg-section); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.product-cat {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.product-cat:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.product-cat-img { overflow: hidden; }
.product-cat-img img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.5s ease; }
.product-cat:hover .product-cat-img img { transform: scale(1.05); }
.product-cat-info { padding: 24px; }
.product-cat-info h3 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.product-cat-info p { font-size: 13px; color: var(--text-mid); line-height: 1.7; margin-bottom: 16px; }
.cat-link { font-size: 12px; font-weight: 700; color: var(--primary); letter-spacing: 1px; text-transform: uppercase; transition: all var(--transition); }
.cat-link:hover { color: var(--primary-dark); letter-spacing: 2px; }

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-section { padding: 100px 0; background: var(--white); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.project-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.project-img { position: relative; overflow: hidden; }
.project-img img { width: 100%; height: 280px; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-img img { transform: scale(1.06); }
.project-hover {
  position: absolute;
  inset: 0;
  background: rgba(26,96,96,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover .project-hover { opacity: 1; }
.project-info { padding: 24px; background: var(--white); }
.project-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-dark); }
.project-info p { font-size: 13px; color: var(--text-mid); }

/* ============================================================
   VALUES SECTION
   ============================================================ */
.values-section { padding: 100px 0; background: var(--bg-light); }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.value-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border-top: 3px solid transparent;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-top-color: var(--primary); }
.value-icon { font-size: 40px; margin-bottom: 20px; }
.value-card h3 { font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--primary); margin-bottom: 16px; text-transform: uppercase; }
.value-card p { font-size: 13px; color: var(--text-mid); line-height: 1.8; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section { position: relative; padding: 120px 0; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,96,96,0.88) 0%, rgba(18,68,68,0.8) 100%); }
.cta-content { position: relative; z-index: 2; text-align: center; color: var(--white); }
.cta-content h2 { font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; font-size: clamp(24px, 4vw, 44px); margin-bottom: 20px; }
.cta-content p { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 40px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: #111; color: rgba(255,255,255,0.75); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 48px; padding-bottom: 60px; }
.footer-logo { height: calc(32px * var(--logo-scale)); width: auto; max-height: 119px; margin-bottom: 20px; filter: brightness(10); }
.footer-about p { font-size: 13px; line-height: 1.9; color: rgba(255,255,255,0.6); }
.footer-social { display: flex; gap: 12px; margin-top: 24px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }
.footer-col h4 { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--white); margin-bottom: 24px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 6px; }
.footer-contact .contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px; }
.footer-contact .contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--primary-light); }
.footer-contact .contact-item span,
.footer-contact .contact-item a { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.6; }
.footer-contact .contact-item a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.4); }
.footer-bottom p strong { color: rgba(255,255,255,0.6); }
.footer-bottom a { font-size: 12px; color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ============================================================
   FLOATING CONTACT
   ============================================================ */
.float-contact { position: fixed; bottom: 32px; right: 24px; z-index: 999; display: flex; flex-direction: column; gap: 12px; }
.float-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: all var(--transition);
  color: var(--white);
  cursor: pointer;
  text-decoration: none;
}
.float-btn:hover { transform: scale(1.1); }
.float-phone { background: var(--primary); }
.float-zalo { background: #0068ff; overflow: hidden; }
.float-whatsapp { background: #25D366; }
.float-zalo svg { width: 48px; height: 48px; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  position: relative;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 80px;
}
.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,96,96,0.8) 0%, rgba(18,68,68,0.7) 100%); }
.page-hero-content { position: relative; z-index: 2; text-align: center; color: var(--white); }
.page-hero-content h1 { font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; font-size: clamp(32px, 5vw, 56px); font-weight: 600; margin-bottom: 12px; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.7); }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { margin: 0 8px; }

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */
.products-page { padding: 60px 0 100px; background: var(--bg-section); }
.products-page-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }

/* Filter Sidebar */
.filter-sidebar { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 24px; position: sticky; top: 100px; }
.filter-sidebar h3 { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-ultra-light); }
.filter-group { margin-bottom: 28px; }
.filter-group-title { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-mid); margin-bottom: 12px; }
.filter-item { display: flex; align-items: center; gap: 10px; padding: 6px 0; cursor: pointer; }
.filter-item input[type="checkbox"] { accent-color: var(--primary); width: 14px; height: 14px; cursor: pointer; }
.filter-item label { font-size: 13px; color: var(--text-mid); cursor: pointer; transition: color var(--transition); }
.filter-item:hover label { color: var(--primary); }
.filter-reset { width: 100%; padding: 10px; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; background: none; border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; color: var(--text-mid); transition: all var(--transition); margin-top: 8px; }
.filter-reset:hover { border-color: var(--primary); color: var(--primary); }

/* Products Grid */
.products-main-title { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.products-count { font-size: 13px; color: var(--text-light); margin-bottom: 32px; }
.collection-banner { border-radius: var(--radius); overflow: hidden; margin-bottom: 40px; position: relative; }
.collection-banner img { width: 100%; height: 240px; object-fit: cover; }
.collection-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(26,96,96,0.7) 0%, transparent 60%);
  display: flex; align-items: center; padding: 40px;
}
.collection-banner-overlay h2 { color: var(--white); font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; font-size: 28px; }
.products-items-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-item { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); }
.product-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.product-item-img { overflow: hidden; position: relative; }
.product-item-img img { width: 100%; height: 240px; object-fit: cover; transition: transform 0.5s ease; }
.product-item:hover .product-item-img img { transform: scale(1.06); }
.product-badge { position: absolute; top: 12px; left: 12px; background: var(--primary); color: var(--white); font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 4px 10px; border-radius: 2px; }
.product-item-info { padding: 20px; }
.product-item-info h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.product-item-info p { font-size: 12px; color: var(--text-light); }
.product-item-action { display: flex; gap: 8px; margin-top: 16px; }
.product-item-action a { flex: 1; text-align: center; padding: 8px; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; border-radius: var(--radius); transition: all var(--transition); background: var(--primary-ultra-light); color: var(--primary); }
.product-item-action a:hover { background: var(--primary); color: var(--white); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-section { padding: 100px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-text h2 { font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; font-size: clamp(28px, 3.5vw, 40px); margin-bottom: 24px; }
.about-text p { font-family: 'Be Vietnam Pro', sans-serif; font-weight: 300; font-size: 15px; color: var(--text-mid); line-height: 1.8; margin-bottom: 20px; }
.about-text p strong { color: var(--primary); }
.about-media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-media img { border-radius: var(--radius); width: 100%; height: 200px; object-fit: cover; }
.about-media img:first-child { grid-column: 1 / 3; height: 280px; }
.process-detail { background: var(--primary-ultra-light); padding: 100px 0; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.process-step { text-align: center; padding: 32px 20px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.process-step::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--primary); }
.process-step-num { font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; font-size: 48px; font-weight: 700; color: var(--primary-ultra-light); margin-bottom: 8px; line-height: 1; }
.process-step h3 { font-size: 13px; font-weight: 700; color: var(--primary); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.process-step p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }
.process-step .step-icon { font-size: 32px; margin-bottom: 12px; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-section { padding: 100px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h2 { font-family: 'Montserrat', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; font-size: 36px; margin-bottom: 20px; }
.contact-info p { font-family: 'Be Vietnam Pro', sans-serif; font-weight: 300; color: var(--text-mid); font-size: 15px; margin-bottom: 40px; line-height: 1.8; }
.contact-detail { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-detail-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--primary-ultra-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--primary); }
.contact-detail-text h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-mid); margin-bottom: 4px; }
.contact-detail-text p, .contact-detail-text a { font-size: 15px; color: var(--text-dark); }
.contact-detail-text a:hover { color: var(--primary); }
.contact-form { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 48px; }
.contact-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 32px; color: var(--text-dark); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--text-mid); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  color: var(--text-dark);
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); }
.form-group textarea { height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.map-section { padding: 0 0 100px; }
.map-section h2 { font-size: 24px; font-weight: 700; margin-bottom: 24px; text-align: center; }
.map-wrapper { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.map-open-btn { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-size: 13px; font-weight: 700; color: var(--primary); }
.map-open-btn:hover { color: var(--primary-dark); text-decoration: underline; }

/* ============================================================
   PROJECTS PAGE
   ============================================================ */
.projects-page { padding: 80px 0 100px; }
.projects-page-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.project-page-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); }
.project-page-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.project-page-img { position: relative; overflow: hidden; }
.project-page-img img { width: 100%; height: 260px; object-fit: cover; transition: transform 0.5s ease; }
.project-page-card:hover .project-page-img img { transform: scale(1.06); }
.project-page-info { padding: 24px; background: var(--white); }
.project-page-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.project-page-info p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }
.project-type { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--primary); background: var(--primary-ultra-light); padding: 3px 10px; border-radius: 2px; margin-bottom: 10px; }

/* ============================================================
   MOBILE NAV
   ============================================================ */


/* Filter sidebar header with close button */
.filter-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-ultra-light);
}
.filter-sidebar-header h3 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.filter-sidebar-close {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-mid);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.filter-sidebar-close:hover {
  border-color: var(--primary);
  color: var(--primary);
}
@media (max-width: 1024px) {
  .filter-sidebar-close { display: flex; }
}

/* ============================================================
   MOBILE MENU OVERLAY (appended to body via JS)
   ============================================================ */
#mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 9999;
  overflow-y: auto;
  padding: 0;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
#mobile-menu.open {
  display: flex;
  transform: translateX(0);
}
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 1;
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-dark);
  padding: 4px 8px;
  line-height: 1;
}
.mobile-menu-nav {
  padding: 16px 28px 48px;
}
.mobile-nav-list {
  list-style: none;
  padding: 0; margin: 0;
}
.mobile-nav-list > li {
  border-bottom: 1px solid var(--border);
}
.mobile-nav-list > li > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mobile-nav-list > li.has-dropdown > a::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--primary);
  transition: transform 0.25s ease;
}
.mobile-nav-list > li.has-dropdown.mob-open > a::after {
  content: '−';
}
#mobile-menu .mobile-nav-list .dropdown {
  position: static !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
  border: none !important;
  width: auto !important;
  min-width: unset !important;
  display: none !important;
  padding: 0 0 16px 16px;
  list-style: none;
}
#mobile-menu .mobile-nav-list .has-dropdown.mob-open .dropdown {
  display: block !important;
}
.mobile-nav-list .dropdown li a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-mid);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.mobile-nav-list .dropdown li a:hover { color: var(--primary); }
body.menu-open { overflow: hidden; }


/* ============================================================
   PRODUCTS PAGE – MOBILE FILTER TOGGLE
   ============================================================ */
.filter-toggle-btn {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 12px 20px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  margin-bottom: 16px;
  width: 100%;
  justify-content: center;
  letter-spacing: 0.5px;
}
.filter-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
}
.filter-overlay.active { display: block; }

/* ============================================================
   RESPONSIVE – TABLET (max 1024px)
   ============================================================ */

/* ============================================================
   MOBILE MENU OVERLAY (appended to body via JS)
   ============================================================ */
#mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 9999;
  overflow-y: auto;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
#mobile-menu.open {
  display: flex;
  transform: translateX(0);
}
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 1;
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-dark);
  padding: 4px 8px;
  line-height: 1;
}
.mobile-menu-nav { padding: 16px 28px 48px; }
.mobile-nav-list { list-style: none; padding: 0; margin: 0; }
.mobile-nav-list > li { border-bottom: 1px solid var(--border); }
.mobile-nav-list > li > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mobile-nav-list > li.has-dropdown > a::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--primary);
}
.mobile-nav-list > li.has-dropdown.mob-open > a::after { content: '−'; }
#mobile-menu .mobile-nav-list .dropdown {
  position: static !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
  border: none !important;
  width: auto !important;
  min-width: unset !important;
  display: none !important;
  padding: 0 0 16px 16px;
  list-style: none;
}
#mobile-menu .mobile-nav-list .has-dropdown.mob-open .dropdown { display: block !important; }
#mobile-menu .mobile-nav-list .dropdown li a {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-mid);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
body.menu-open { overflow: hidden; }

/* ============================================================
   PRODUCTS PAGE – MOBILE FILTER TOGGLE BUTTON
   ============================================================ */
.filter-toggle-btn {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 12px 20px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  margin-bottom: 20px;
  width: 100%;
  justify-content: center;
  letter-spacing: 0.5px;
}
.filter-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
}
.filter-overlay.active { display: block; }

/* ============================================================
   RESPONSIVE – TABLET  (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  /* Nav hidden – handled by #mobile-menu JS overlay */
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-phone { display: none; }

  /* Grids */
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .projects-page-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .products-items-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }

  /* Products page – show toggle button, hide sidebar to drawer */
  .filter-toggle-btn { display: flex; }
  .products-page-layout { grid-template-columns: 1fr; gap: 0; }
  .filter-sidebar {
    position: fixed;
    top: 0; left: -100%; bottom: 0;
    width: 85%; max-width: 320px;
    z-index: 200;
    overflow-y: auto;
    border-radius: 0;
    transition: left 0.35s cubic-bezier(0.4,0,0.2,1);
    padding-top: 80px;
  }
  .filter-sidebar.open { left: 0; }

  .collection-banner img { height: 160px; }
  .collection-banner-overlay { padding: 20px; }
  .collection-banner-overlay h2 { font-size: 18px; }
}

/* ============================================================
   RESPONSIVE – MOBILE  (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  /* Container */
  .container { padding: 0 16px; }

  /* Header */
  .header-inner { padding: 0 16px; height: 76px; }
  .logo-img { max-height: 64px; height: auto; }

  /* Hero */
  .hero { min-height: 85vh; }
  .hero-content h1 { font-size: clamp(26px, 8vw, 40px); }
  .hero-content p { font-size: 14px; }
  .hero-btns { flex-direction: column; gap: 12px; }
  .hero-btns .btn { width: 100%; text-align: center; }

  /* Page hero */
  .page-hero { min-height: 200px; padding-top: 64px; }
  .page-hero-content h1 { font-size: 24px; }

  /* Section padding */
  .intro-section, .about-section, .contact-section,
  .products-section, .catalogue-section,
  .collection-section { padding: 56px 0; }
  .process-detail { padding: 56px 0; }
  .projects-page { padding: 56px 0; }
  .map-section { padding: 0 0 56px; }
  .story-section { padding: 56px 0; }

  /* Story section – STACK vertically */
  .story-grid {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }
  .story-images { position: relative; }
  .story-img-main img { height: 260px; }
  .story-img-secondary {
    position: static;
    width: 100%;
    margin-top: 12px;
    border: none;
  }
  .story-img-secondary img { height: 180px; }

  /* Grids – single column */
  .products-grid,
  .categories-grid { grid-template-columns: 1fr; gap: 20px; }
  .products-items-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .projects-page-grid { grid-template-columns: 1fr; gap: 20px; }
  .process-steps { grid-template-columns: 1fr; gap: 16px; }
  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-media { grid-template-columns: 1fr 1fr; }
  .about-media img:first-child { grid-column: 1 / 3; height: 200px; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-form { padding: 20px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
  .footer-about { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .footer-logo { margin-left: auto; margin-right: auto; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 32px; }

  /* Process arrows – hide */
  .process-arrow { display: none; }
  .process-grid { gap: 20px; flex-wrap: wrap; }
  .process-item { min-width: unset; max-width: unset; flex: 0 0 calc(50% - 10px); }

  /* Collection grid – 1 column */
  .collection-grid { grid-template-columns: 1fr; }
  .collection-card.large { grid-column: auto; }
  .collection-card img,
  .collection-card:not(.large) img { height: 220px !important; }

  /* Features / values / why / news */
  .features-grid, .why-grid, .values-grid,
  .news-grid { grid-template-columns: 1fr; gap: 16px; }

  /* CTA */
  .cta-content h2 { font-size: 22px; }
  .cta-btns { flex-direction: column; gap: 12px; align-items: center; }
  .cta-btns .btn { width: 100%; max-width: 280px; text-align: center; }

  /* Typography */
  .section-title { font-size: clamp(18px, 5.5vw, 28px); }
  h2 { font-size: clamp(20px, 5vw, 28px); }

  /* Float contact */
  .float-contact { bottom: 20px; right: 16px; gap: 10px; }
  .float-btn { width: 44px; height: 44px; }

  /* Catalogue */
  .catalogue-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE – SMALL MOBILE  (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
  .products-items-grid { grid-template-columns: 1fr; gap: 16px; }
  .process-item { flex: 0 0 100%; }
  .collection-card img,
  .collection-card:not(.large) img { height: 190px !important; }
  .stat-number { font-size: 28px; }
  .float-btn { width: 40px; height: 40px; }
}