/* ==============================
   NORDICWATT - Global Styles
   ============================== */

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

:root {
  --primary: #16443b;
  --primary-dark: #0d2e27;
  --primary-light: #1e6057;
  --accent: #4caf82;
  --accent-light: #7dd3a8;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-md: 0 10px 15px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.15);
  --radius: 8px;
  --radius-lg: 14px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  font-size: 15px;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==============================
   HEADER / NAV
   ============================== */

.site-header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.logo svg {
  height: 38px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255,255,255,0.12);
  color: var(--white);
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: 20px !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==============================
   HERO SECTION
   ============================== */

.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--white);
  padding: 90px 20px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.hero-content {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(76,175,130,0.2);
  border: 1px solid var(--accent);
  color: var(--accent-light);
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 28px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(76,175,130,0.4);
}

.btn-primary:hover {
  background: #3a9e6f;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(76,175,130,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn-dark {
  background: var(--primary);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* ==============================
   STATS STRIP
   ============================== */

.stats-strip {
  background: var(--primary-dark);
  color: var(--white);
  padding: 24px 20px;
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.1;
}

.stat-item span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==============================
   SECTION HEADER
   ============================== */

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  display: inline-block;
  background: rgba(22,68,59,0.08);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1rem;
}

/* ==============================
   FEATURES SECTION
   ============================== */

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(22,68,59,0.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ==============================
   PRODUCTS SECTION
   ============================== */

.products-section {
  padding: 80px 0;
}

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

.tab-btn {
  padding: 9px 22px;
  border-radius: 24px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-500);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--white);
}

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

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--gray-300);
}

.product-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-100);
  position: relative;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.product-badge.heating {
  background: #e67e22;
}

.product-badge.hybrid {
  background: #8e44ad;
}

.product-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-model {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.product-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  line-height: 1.35;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  margin-bottom: 18px;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.7rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.spec-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 18px;
}

.feature-tag {
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 10px;
  font-weight: 500;
}

.feature-tag.highlight {
  background: rgba(76,175,130,0.12);
  color: var(--primary);
}

.product-footer {
  margin-top: auto;
  display: flex;
  gap: 10px;
}

.btn-spec {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn-spec-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-spec-primary:hover {
  background: var(--primary-dark);
}

.btn-spec-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-spec-outline:hover {
  background: var(--primary);
  color: var(--white);
}

/* ==============================
   CATEGORY SECTION
   ============================== */

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

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.category-image {
  width: 200px;
  flex-shrink: 0;
  background: var(--gray-100);
  overflow: hidden;
}

.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.category-body h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.category-body p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  line-height: 1.5;
}

.category-count {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==============================
   ABOUT SECTION
   ============================== */

.about-section {
  padding: 80px 0;
  background: var(--primary);
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: rgba(76,175,130,0.08);
  border-radius: 50%;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.about-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
  color: var(--white);
}

.about-text p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
}

.about-list li::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  line-height: 22px;
  text-align: center;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  backdrop-filter: blur(4px);
}

.about-card .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-light);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.about-card span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
}

/* ==============================
   CERTIFICATIONS
   ============================== */

.certs-section {
  padding: 50px 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}

.certs-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-500);
}

.cert-badge .icon {
  font-size: 1.4rem;
}

/* ==============================
   CONTACT SECTION
   ============================== */

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

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.contact-info p {
  color: var(--gray-500);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.contact-item-icon {
  width: 42px;
  height: 42px;
  background: rgba(22,68,59,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text strong {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.contact-item-text a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-item-text a:hover {
  color: var(--accent);
}

/* Contact Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--gray-700);
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22,68,59,0.08);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-submit {
  width: 100%;
  padding: 13px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 6px;
}

.form-submit:hover {
  background: var(--primary-dark);
}

/* ==============================
   FLOATING CONTACT SIDEBAR
   ============================== */

.contact-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-btn {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
  cursor: pointer;
  border-radius: 0 0 0 8px;
}

.sidebar-btn:first-child {
  border-radius: 8px 0 0 0;
}

.sidebar-btn:last-child {
  border-radius: 0 0 0 8px;
}

.sidebar-btn:hover {
  background: var(--accent);
  width: 56px;
}

/* ==============================
   PRODUCT DETAIL PAGE
   ============================== */

.page-hero {
  background: var(--primary);
  color: var(--white);
  padding: 40px 0 44px;
}

.page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--white); }

.all-products-section {
  padding: 60px 0;
}

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

/* ==============================
   CONTACT PAGE
   ============================== */

.contact-page-section {
  padding: 60px 0 80px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

/* ==============================
   FOOTER
   ============================== */

.site-footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 260px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--accent);
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--white);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.65);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.footer-contact-item .icon { font-size: 1rem; flex-shrink: 0; }

.footer-contact-item a {
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}

.footer-certs {
  display: flex;
  gap: 12px;
  align-items: center;
}

.cert-pill {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}

/* ==============================
   RESPONSIVE
   ============================== */

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    padding: 16px;
    gap: 4px;
  }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card { flex-direction: column; }
  .category-image { width: 100%; height: 180px; }
  .contact-inner,
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .about-cards { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 60px 20px; }
  .contact-sidebar { display: none; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* ==============================
   MODAL
   ============================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.open .modal {
  transform: scale(1);
}

.modal-header {
  background: var(--primary);
  color: var(--white);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover { background: rgba(255,255,255,0.25); }

.modal-body {
  padding: 28px;
}

.modal-image {
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  background: var(--gray-100);
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.spec-table th {
  background: var(--gray-50);
  color: var(--gray-700);
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.spec-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

.spec-table tr:last-child td { border-bottom: none; }

.spec-table td:first-child {
  color: var(--gray-500);
  font-size: 0.83rem;
  width: 40%;
}

.spec-table td:last-child {
  font-weight: 600;
  color: var(--gray-900);
}

.modal-contact {
  margin-top: 24px;
  padding: 18px;
  background: rgba(22,68,59,0.06);
  border-radius: var(--radius);
  text-align: center;
}

.modal-contact p {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-bottom: 12px;
}

.modal-contact a {
  color: var(--primary);
  font-weight: 600;
}

/* ==============================
   TOAST NOTIFICATION
   ============================== */

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--primary);
  color: var(--white);
  padding: 13px 24px;
  border-radius: 28px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 3000;
  transition: transform 0.35s ease;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}