/* ==========================================
   AIRPROCE - AVN ECOFLOW | DESIGN SYSTEM
   ========================================== */

:root {
  --black: #111111;
  --white: #ffffff;
  --page-bg: #ededed;
  --gray-50: #f6f6f6;
  --gray-100: #f0f0f0;
  --gray-200: #e2e2e2;
  --gray-400: #aaaaaa;
  --gray-600: #666666;
  --accent: #1a1a2e;
  --font: 'Inter', 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-pill: 100px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h: 72px;
}

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

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

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--page-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ==========================================
   UTILITIES
   ========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 15px;
  color: var(--gray-600);
  margin-top: 10px;
  max-width: 520px;
}

.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--gray-100);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--black);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}
.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  padding: 12px 20px;
}
.btn-ghost:hover { background: var(--gray-100); }

.btn-sm {
  padding: 10px 20px;
  font-size: 13px;
}

/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(237,237,237,0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.07);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Pill container around nav links */
.nav-menu {
  background: var(--white);
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
  padding: 4px 6px;
}

.nav-logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--black);
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--white);
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
  padding: 4px 6px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  background: var(--gray-100);
}

.nav-link svg { transition: transform var(--transition); }
.nav-item:hover .nav-link svg { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--black);
  transition: background var(--transition);
}

.dropdown-item:hover { background: var(--gray-50); }

.dropdown-item-icon {
  width: 32px;
  height: 32px;
  background: var(--gray-100);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.dropdown-item-text strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
}

.dropdown-item-text span {
  font-size: 11px;
  color: var(--gray-600);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-phone {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}
.hamburger:hover { background: var(--gray-100); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: 24px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition);
}
.mobile-menu.open { transform: translateX(0); }

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid var(--gray-200);
}

.mobile-sub {
  padding: 8px 0 8px 16px;
  display: none;
}
.mobile-sub.open { display: block; }
.mobile-sub-link {
  display: block;
  padding: 10px 0;
  font-size: 15px;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  background: var(--page-bg);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero::before { display: none; }

.hero-inner {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 48px;
  align-items: center;
  flex: 1;
  padding: 72px 0 100px;
}

.hero-content { position: relative; z-index: 2; }

/* Badge hidden to match clean mockup */
.hero-badge { display: none; }

/* Stats hidden to match mockup */
.hero-stats { display: none; }

/* AQI card hidden */
.hero-card { display: none; }

/* Slider dots hidden */
.hero-slider-dots { display: none; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(30px, 3.6vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-title .highlight {
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after { display: none; }

.hero-desc {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 420px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-wrap {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: transparent;
}

.hero-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  max-height: 520px;
}

/* ── Feature bar ── */
.hero-features {
  background: var(--white);
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: 0;
  margin-top: auto;
}

.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.hero-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 24px;
  text-align: center;
  border-right: 1px solid var(--gray-200);
}
.hero-feature:last-child { border-right: none; }

.hero-feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
}
.hero-feature-icon img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.hero-feature-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
}

/* Hero slider dots */
.hero-slider-dots {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 6px;
  z-index: 10;
}
.hero-dot {
  width: 8px;
  height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}
.hero-dot.active {
  background: var(--white);
  width: 24px;
  border-radius: 4px;
}

/* Floating card */
.hero-card {
  position: absolute;
  bottom: -16px;
  left: -20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 10;
  min-width: 200px;
}

.hero-card-icon {
  width: 42px;
  height: 42px;
  background: var(--gray-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.hero-card-label {
  font-size: 11px;
  color: var(--gray-600);
}
.hero-card-val {
  font-size: 15px;
  font-weight: 700;
}

/* ==========================================
   SECTION HEADER
   ========================================== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* ==========================================
   PRODUCTS SECTION
   ========================================== */
.products-section {
  padding: 100px 0;
  background: var(--white);
}

.product-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.product-tab {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-100);
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
}

.product-tab:hover {
  color: var(--black);
  background: var(--gray-200);
}

.product-tab.active {
  background: var(--black);
  color: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.product-card:hover {
  border-color: var(--black);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card-img {
  background: var(--gray-50);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.product-card:hover .product-card-img img {
  transform: scale(1.04);
}

.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--black);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}

.product-card-body {
  padding: 20px;
}

.product-card-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.product-card-name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.product-card-desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product-price {
  font-size: 18px;
  font-weight: 800;
}

.product-price .currency {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  vertical-align: top;
  margin-top: 3px;
  display: inline-block;
}

.product-price.no-price {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
}

.product-card-btn {
  width: 36px;
  height: 36px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.product-card-btn:hover {
  background: #333;
  transform: scale(1.1);
}

/* ==========================================
   HEALTH SECTION
   ========================================== */
.health-section {
  padding: 100px 0;
  background: var(--gray-50);
}

.health-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.health-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.health-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}

.health-item:hover {
  border-color: var(--black);
  box-shadow: var(--shadow);
}

.health-item-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.health-item h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.health-item p {
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.5;
}

.health-visual {
  position: relative;
}

.health-visual img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.health-stat-cards {
  position: absolute;
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.health-stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  min-width: 150px;
}

.health-stat-card .num {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.health-stat-card .lbl {
  font-size: 11px;
  color: var(--gray-600);
  margin-top: 2px;
}

/* ==========================================
   TECHNOLOGY SECTION
   ========================================== */
.tech-section {
  padding: 100px 0;
  background: var(--black);
  color: var(--white);
}

.tech-section .section-subtitle { color: rgba(255,255,255,0.5); }
.tech-section .tag { color: rgba(255,255,255,0.5); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.tech-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}

.tech-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-4px);
}

.tech-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.tech-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.tech-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects-section {
  padding: 100px 0;
  background: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  height: 300px;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.project-card:hover img { transform: scale(1.06); }

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
}

.project-card-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 6px;
}

.project-card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
}

/* ==========================================
   NEWS SECTION
   ========================================== */
.news-section {
  padding: 100px 0;
  background: var(--gray-50);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}

.news-card:hover {
  border-color: var(--black);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.news-card-img {
  height: 200px;
  overflow: hidden;
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.news-card:hover .news-card-img img { transform: scale(1.04); }

.news-card-body {
  padding: 20px;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 10px;
}

.news-card-meta .cat {
  padding: 3px 10px;
  background: var(--gray-100);
  border-radius: var(--radius-pill);
  font-weight: 600;
  color: var(--black);
}

.news-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-excerpt {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================
   PARTNERS SECTION
   ========================================== */
.partners-section {
  padding: 60px 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.partners-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
  text-align: center;
  margin-bottom: 32px;
}

.partners-track {
  overflow: hidden;
  position: relative;
}

.partners-track::before,
.partners-track::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
}
.partners-track::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}
.partners-track::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

.partners-row {
  display: flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
  width: max-content;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.partner-logo {
  height: 40px;
  opacity: 0.4;
  filter: grayscale(1);
  transition: all var(--transition);
  object-fit: contain;
  flex-shrink: 0;
}

.partner-logo:hover {
  opacity: 0.8;
  filter: grayscale(0);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  padding: 100px 0;
  background: var(--black);
  color: var(--white);
  text-align: center;
}

.cta-section .section-title { color: var(--white); }
.cta-section .section-subtitle {
  color: rgba(255,255,255,0.5);
  margin: 16px auto 36px;
  max-width: 500px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-white {
  background: var(--white);
  color: var(--black);
}
.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials-section {
  padding: 100px 0;
  background: var(--gray-50);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1.5px solid var(--gray-200);
}

.stars {
  color: #f59e0b;
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  background: var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
  flex-shrink: 0;
}

.author-name {
  font-size: 14px;
  font-weight: 700;
}

.author-loc {
  font-size: 12px;
  color: var(--gray-600);
}

/* ==========================================
   CONSULTATION SECTION
   ========================================== */
.consult-section {
  padding: 100px 0;
  background: var(--white);
}

.consult-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.consult-info h2 {
  margin-bottom: 16px;
}

.consult-info p {
  color: var(--gray-600);
  font-size: 15px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.consult-contacts { display: flex; flex-direction: column; gap: 16px; }

.consult-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}
.consult-contact:hover { border-color: var(--black); }

.consult-contact-icon {
  width: 44px;
  height: 44px;
  background: var(--black);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.consult-contact-lbl {
  font-size: 11px;
  color: var(--gray-400);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.consult-contact-val {
  font-size: 16px;
  font-weight: 700;
}

/* Form */
.consult-form {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1.5px solid var(--gray-200);
}

.form-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--black);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--black);
  transition: border-color var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  margin-top: 4px;
}
.form-submit:hover {
  background: #333;
  transform: translateY(-1px);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand-logo {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.footer-brand-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background var(--transition);
}
.footer-social a:hover { background: rgba(255,255,255,0.16); }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }

.footer-link {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--white); }

.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.45);
}

.footer-contact-item strong { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  transition: color var(--transition);
}
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* ==========================================
   PAGE HERO
   ========================================== */
.page-hero {
  padding: calc(var(--nav-h) + 60px) 0 80px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.page-hero .section-title { margin-bottom: 12px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--gray-600); }
.breadcrumb a:hover { color: var(--black); }

/* ==========================================
   PRODUCT DETAIL
   ========================================== */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 60px 0;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

.product-main-img {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 12px;
  border: 1.5px solid var(--gray-200);
}

.product-main-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
}

.product-thumbs {
  display: flex;
  gap: 10px;
}

.product-thumb {
  width: 72px;
  height: 72px;
  background: var(--gray-50);
  border-radius: 10px;
  overflow: hidden;
  border: 1.5px solid var(--gray-200);
  cursor: pointer;
  transition: border-color var(--transition);
}

.product-thumb.active { border-color: var(--black); }

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info-cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.product-info-name {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 12px;
}

.product-info-desc {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 24px;
}

.product-info-price {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 4px;
}

.product-info-price-note {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 28px;
}

.product-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.product-actions .btn {
  flex: 1;
  justify-content: center;
  min-width: 140px;
}

.product-specs-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--gray-200);
}

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--gray-100); }
.spec-table td {
  padding: 10px 4px;
  font-size: 14px;
}
.spec-table td:first-child {
  color: var(--gray-600);
  width: 45%;
}
.spec-table td:last-child { font-weight: 600; }

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-intro {
  padding: 80px 0;
  background: var(--white);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-values {
  padding: 80px 0;
  background: var(--gray-50);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}
.value-card:hover {
  border-color: var(--black);
  box-shadow: var(--shadow);
}

.value-icon {
  font-size: 36px;
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ==========================================
   BLOG PAGE
   ========================================== */
.blog-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.contact-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: all var(--transition);
}
.contact-card:hover {
  border-color: var(--black);
  box-shadow: var(--shadow);
}

.contact-card-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.contact-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}
.contact-card p {
  font-size: 14px;
  color: var(--gray-600);
}
.contact-card strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--black);
}

/* ==========================================
   SEARCH BOX
   ========================================== */
.search-wrap {
  position: relative;
  max-width: 360px;
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-family: var(--font);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--black); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}

/* ==========================================
   SCROLL TO TOP
   ========================================== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 900;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}
.scroll-top:hover {
  transform: translateY(-3px);
  background: #333;
}

/* ==========================================
   TOAST / NOTIFICATION
   ========================================== */
.toast {
  position: fixed;
  bottom: 80px;
  right: 32px;
  background: var(--black);
  color: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  z-index: 2000;
  transform: translateY(16px);
  opacity: 0;
  transition: all var(--transition);
  max-width: 300px;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 380px; }
  .hero-card { display: none; }
  .health-grid { grid-template-columns: 1fr; }
  .health-stat-cards { display: none; }
  .health-visual img { height: 320px; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
  .nav-phone { display: block; }

  .hero-title { font-size: clamp(32px, 8vw, 48px); }
  .hero-features-grid { grid-template-columns: 1fr; }
  .hero-feature { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .hero-feature:last-child { border-bottom: none; }

  .section-head { flex-direction: column; align-items: flex-start; }
  .products-grid { grid-template-columns: 1fr 1fr; }

  .tech-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  .consult-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }

  .product-detail-grid { grid-template-columns: 1fr; }
  .product-gallery { position: static; }

  .about-intro-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 20px; }
}