/* ============================================================
   CENVARIS RESEARCH — MAIN STYLESHEET
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --navy: #0d1b4b;
  --navy-dark: #080f2e;
  --navy-mid: #1a2d6b;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-glow: rgba(37, 99, 235, 0.15);
  --gold: #f59e0b;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #f1f5f9;
  --border: #e5e7eb;
  --border-dark: #d1d5db;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --shadow-navy: 0 8px 32px rgba(13, 27, 75, 0.20);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Announcement Bar ---------- */
.announcement-bar {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.announcement-bar p { opacity: 0.92; }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 32px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 24px;
  color: var(--accent);
  line-height: 1;
}
.logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--navy);
  letter-spacing: -0.02em;
}

/* Nav */
.main-nav { flex: 1; }
.main-nav > ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.main-nav > ul > li > a:hover {
  color: var(--navy);
  background: var(--bg-alt);
}
.main-nav > ul > li > a svg { transition: transform var(--transition); }
.main-nav > ul > li:hover > a svg { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  pointer-events: none;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.dropdown li a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.dropdown li a:hover {
  color: var(--navy);
  background: var(--bg-alt);
}

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 4px; }
.icon-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.icon-btn:hover { color: var(--navy); background: var(--bg-alt); }
.cart-count {
  position: absolute;
  top: 6px; right: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}

/* Mobile menu toggle */
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: all var(--transition); }

/* Mobile overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 900;
}
.mobile-overlay.active { display: block; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}
.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.20);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--border-dark);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-cart {
  flex: 1;
  background: var(--navy);
  color: #fff;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
}
.btn-cart:hover { background: var(--navy-mid); }
.btn-full { width: 100%; }

/* ---------- SECTION SHARED ---------- */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - 105px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(37, 99, 235, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(13,27,75, 0.8) 0%, transparent 60%),
    linear-gradient(135deg, #080f2e 0%, #0d1b4b 50%, #111d55 100%);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.6;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding-top: 80px;
  padding-bottom: 120px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}
.hero-title em {
  font-style: italic;
  color: #93c5fd;
}
.hero-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-serif);
  line-height: 1;
}
.stat-label { font-size: 12px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }
.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 1;
}
.scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.5); }
}

/* ---------- TRUST BAR ---------- */
.trust-bar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
}
.trust-item svg { color: var(--accent); flex-shrink: 0; }

/* ---------- PRODUCTS ---------- */
.products-section { padding: 96px 0; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image-wrap {
  position: relative;
  overflow: hidden;
}
.product-image {
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.sci-img { background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); }
.paper-img { background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%); }
.biz-img { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); }
.tech-img { background: linear-gradient(135deg, #fdf4ff 0%, #e9d5ff 100%); }

.product-img {
  max-width: 82%;
  max-height: 82%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.product-img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.product-img-placeholder svg { opacity: 0.5; }

.product-badges {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  gap: 6px;
}
.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-hot { background: #fee2e2; color: #dc2626; }
.badge-popular { background: #dbeafe; color: #1d4ed8; }
.badge-new { background: #d1fae5; color: #065f46; }

.product-actions {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  transition: all var(--transition);
  white-space: nowrap;
}
.product-card:hover .product-actions {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.product-action-btn {
  background: rgba(255,255,255,0.95);
  color: var(--navy);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}
.product-action-btn:hover {
  background: var(--navy);
  color: #fff;
}

.product-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.product-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
}
.product-name a:hover { color: var(--accent); }
.product-rating { display: flex; align-items: center; gap: 6px; }
.stars { color: var(--gold); font-size: 13px; letter-spacing: 1px; }
.review-count { font-size: 12px; color: var(--text-light); }
.product-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: auto;
}
.price-from, .price-to { font-size: 13px; color: var(--text-secondary); }
.price { font-size: 20px; font-weight: 700; color: var(--navy); }
.product-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 4px;
}
.wishlist-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-light);
  flex-shrink: 0;
  transition: all var(--transition);
}
.wishlist-btn:hover { color: #ef4444; border-color: #fee2e2; background: #fff5f5; }

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* ---------- PROCESS ---------- */
.process-section {
  padding: 96px 0;
  background: var(--bg-alt);
}
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}
.process-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
  position: relative;
}
.step-num {
  font-size: 64px;
  font-weight: 800;
  color: var(--border-dark);
  line-height: 1;
  font-family: var(--font-serif);
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.3;
  pointer-events: none;
}
.step-icon {
  width: 72px; height: 72px;
  background: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  color: var(--accent);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  border: 2px solid var(--accent-glow);
}
.process-step h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
}
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.process-connector {
  flex-shrink: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-light));
  margin-top: 35px;
  opacity: 0.3;
}

/* ---------- ABOUT ---------- */
.about-section { padding: 96px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-img-block { position: relative; }
.about-img-main {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1px solid var(--border);
}
.about-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 500;
}
.about-stat-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--navy);
  color: #fff;
  padding: 20px 24px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-navy);
}
.about-stat-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
}
.about-stat-label { font-size: 12px; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.08em; }
.about-content .section-tag { display: block; text-align: left; }
.about-content .section-title { text-align: left; }
.about-lead {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}
.about-features { display: flex; flex-direction: column; gap: 24px; margin-bottom: 36px; }
.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-icon {
  width: 40px; height: 40px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.about-feature h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}
.about-feature p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ---------- TESTIMONIALS ---------- */
.testimonials-section {
  padding: 96px 0;
  background: var(--navy-dark);
}
.testimonials-section .section-tag { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
.testimonials-section .section-title { color: #fff; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), background var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.08);
}
.testimonial-featured {
  background: rgba(37, 99, 235, 0.2);
  border-color: rgba(37, 99, 235, 0.4);
}
.testimonial-stars { color: var(--gold); font-size: 16px; letter-spacing: 2px; margin-bottom: 16px; }
.testimonial-text {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 24px;
}
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 44px; height: 44px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  flex-shrink: 0;
}
.author-name { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 2px; }
.author-title { font-size: 12px; color: rgba(255,255,255,0.5); }

/* ---------- CONTACT ---------- */
.contact-section { padding: 96px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: flex-start;
}
.contact-info .section-title { text-align: left; }
.contact-info .section-tag { display: block; text-align: left; }
.contact-info > p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--text-secondary);
}
.contact-item svg { color: var(--accent); flex-shrink: 0; }

/* Form */
.contact-form-wrap {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-light); }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,0.7); padding-top: 64px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { color: #fff; }
.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-top: 12px;
  margin-bottom: 24px;
  max-width: 300px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  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(--accent); color: #fff; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom {
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
}
.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  z-index: 10;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--border); color: var(--navy); }
.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.modal-image {
  height: 100%;
  min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
.modal-info { padding: 36px; }
.modal-info .modal-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.modal-info h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--navy);
  margin-bottom: 8px;
}
.modal-info .modal-price {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}
.modal-info .modal-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-height: 240px;
  overflow-y: auto;
}
.modal-info .modal-select {
  margin-bottom: 20px;
}
.modal-info .modal-select label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.modal-info .modal-select select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  font-size: 14px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  outline: none;
}
.modal-info .modal-select select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.modal-add-btn {
  width: 100%;
  background: var(--navy);
  color: #fff;
  padding: 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
}
.modal-add-btn:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

/* ---------- TOAST ---------- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--navy);
  color: #fff;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .process-steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  .process-connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }
  .process-step { max-width: 320px; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 0; left: -100%;
    width: 280px; height: 100vh;
    background: #fff;
    padding: 80px 24px 40px;
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 950;
    transition: left var(--transition);
    overflow-y: auto;
  }
  .main-nav.open { left: 0; }
  .main-nav > ul { flex-direction: column; gap: 4px; }
  .main-nav > ul > li > a { padding: 12px; border-radius: 8px; }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 16px;
    pointer-events: auto;
    display: none;
  }
  .has-dropdown.open .dropdown { display: block; }
  .announcement-bar { font-size: 12px; padding: 8px; }
  .hero { min-height: unset; }
  .hero-content { padding: 60px 0 80px; }
  .hero-title { font-size: 36px; }
  .hero-stats { gap: 16px; }
  .trust-inner { gap: 20px; justify-content: flex-start; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-bottom .container { flex-direction: column; gap: 6px; text-align: center; }
  .modal-body { grid-template-columns: 1fr; }
  .modal-image { min-height: 200px; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .stat-divider { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
}