/* ============================================
   Zeccn Solar - Premium Stylesheet
   ============================================ */

/* ---------- Variables & Reset ---------- */
:root {
  --primary: #1E9BDC;
  --primary-dark: #0D6EAD;
  --primary-light: #4FC3F7;
  --accent: #FFB300;
  --accent-light: #FFCA28;
  --dark: #0A1628;
  --dark-2: #0D2640;
  --text: #2d3436;
  --text-light: #636e72;
  --bg: #ffffff;
  --bg-alt: #F0F7FC;
  --bg-dark: #0B1A2E;
  --border: #D6EAF8;
  --shadow: 0 4px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 36px;
  font-size: 0.95rem; font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 8px 32px rgba(30, 155, 220, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(30, 155, 220, 0.45);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}
.btn-light {
  background: rgba(255,255,255,0.15);
  color: #fff;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-light:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-3px);
}

/* ---------- Section Common ---------- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #fff; }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--dark);
}
.section-dark .section-title { color: #fff; }
.section-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.8;
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header .section-desc { margin: 0 auto; }

/* ---------- Header / Nav ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
  background: transparent;
}
.header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,0,0,0.08);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between;
  height: 80px;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.5rem; font-weight: 800;
  color: #fff;
  transition: var(--transition);
}
.header.scrolled .logo { color: var(--dark); }
.logo img { height: 42px; width: auto; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}
.header.scrolled .nav a { color: var(--text); }
.nav a:hover,
.nav a.active { color: #fff; }
.header.scrolled .nav a:hover,
.header.scrolled .nav a.active { color: var(--primary); }
.nav a::after {
  content: '';
  position: absolute; bottom: 2px; left: 18px; right: 18px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}
.nav a:hover::after,
.nav a.active::after { transform: scaleX(1); }

/* Language Switcher */

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  cursor: pointer;
  border: none; background: none;
  flex-direction: column; gap: 5px;
  padding: 8px;
}
.mobile-toggle span {
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.header.scrolled .mobile-toggle span { background: var(--dark); }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,26,46,0.92) 0%,
    rgba(11,26,46,0.7) 50%,
    rgba(30,155,220,0.3) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 720px;
  padding: 120px 0 80px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 24px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex; gap: 40px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: var(--primary-dark);
  padding: 50px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat-item { text-align: center; color: #fff; }
.stat-item .number {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item .label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Solutions ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.solution-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.solution-card-img {
  height: 260px;
  overflow: hidden;
}
.solution-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.solution-card:hover .solution-card-img img { transform: scale(1.08); }
.solution-card-body {
  padding: 30px;
}
.solution-card-body .icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--primary), var(--primary-light));
  border-radius: 14px;
  margin-bottom: 18px;
  font-size: 1.3rem;
  box-shadow: 0 6px 20px rgba(30, 155, 220, 0.25);
  color: #fff;
  position: relative;
}
.solution-card-body .icon::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.2);
}
.solution-card-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.solution-card-body p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}
.solution-card-body .link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}
.solution-card-body .link svg { transition: var(--transition); }
.solution-card:hover .link svg { transform: translateX(4px); }

/* ---------- Products ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-card-img {
  height: 220px;
  padding: 24px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-alt);
}
.product-card-img img {
  max-height: 100%;
  object-fit: contain;
  transition: var(--transition);
}
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-body { padding: 20px 20px 28px; }
.product-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.product-card-body .spec {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.feature-card {
  padding: 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: var(--transition);
}
.feature-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}
.feature-card .icon {
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--primary-light), var(--primary));
  border-radius: 16px;
  margin-bottom: 20px;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(30, 155, 220, 0.2);
  position: relative;
}
.feature-card .icon::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.18);
}
.feature-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ---------- News ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.news-card-img {
  height: 200px;
  overflow: hidden;
}
.news-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.news-card:hover .news-card-img img { transform: scale(1.08); }
.news-card-body {
  padding: 24px;
}
.news-card-body .date {
  font-size: 0.8rem;
  color: var(--text-light);
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 10px;
}
.news-card-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.4;
}
.news-card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}
.news-card-body .read-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.85rem;
}

/* ---------- Newsletter ---------- */
.newsletter {
  background: linear-gradient(135deg, var(--primary-dark), #0B1A2E);
  padding: 60px 0;
}
.newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.newsletter-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.newsletter-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
}
.newsletter-form {
  display: flex; gap: 12px;
  flex-shrink: 0;
}
.newsletter-form input {
  padding: 14px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.95rem;
  min-width: 280px;
  transition: var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.12); }
.newsletter-form button {
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  background: var(--accent);
  color: var(--dark);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}
.newsletter-form button:hover { background: var(--accent-light); transform: scale(1.02); }

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo-footer {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.footer-brand .logo-footer img { height: 36px; }
.footer-brand .logo-footer span {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  font-size: 0.9rem;
}
.footer-social a:hover {
  background: linear-gradient(145deg, var(--primary), var(--primary-light));
  color: #fff;
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(30, 155, 220, 0.3);
}

.footer h5 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer ul li { margin-bottom: 12px; }
.footer ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.footer ul li a:hover { color: var(--accent); padding-left: 4px; }

.footer-bottom {
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: var(--bg-dark);
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.page-hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,26,46,0.95) 0%, rgba(11,26,46,0.8) 100%);
  z-index: 1;
}
.page-hero-content {
  position: relative; z-index: 2;
  text-align: center;
}
.page-hero-content h1 {
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}
.page-hero-content .breadcrumb {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}
.page-hero-content .breadcrumb a { color: rgba(255,255,255,0.7); }
.page-hero-content .breadcrumb a:hover { color: var(--accent); }
.page-hero-content .breadcrumb span { color: var(--accent); }

/* ---------- About Page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-intro-img {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.about-intro-img img {
  width: 100%; height: 450px;
  object-fit: cover;
}
.about-intro-img::after {
  content: '';
  position: absolute; bottom: -20px; right: -20px;
  width: 200px; height: 200px;
  border: 4px solid var(--accent);
  border-radius: var(--radius);
  z-index: -1;
}
.about-intro-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--dark);
}
.about-intro-text p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.value-card {
  text-align: center;
  padding: 40px 30px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.value-card .icon {
  width: 72px; height: 72px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(30, 155, 220, 0.22);
  position: relative;
}
.value-card .icon::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
}
.value-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.value-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- Product Page ---------- */
.product-categories {
  display: flex; justify-content: center; gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}
.product-categories button {
  padding: 10px 28px;
  border-radius: 50px;
  border: 2px solid var(--border);
  background: transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text);
}
.product-categories button:hover,
.product-categories button.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--dark);
}
.contact-info > p {
  color: var(--text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}
.contact-item {
  display: flex; gap: 16px;
  margin-bottom: 24px;
}
.contact-item .icon {
  width: 50px; height: 50px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #E8F4FD, #D6EAF8);
  border-radius: 12px;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(30, 155, 220, 0.1);
}
.contact-item h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.contact-item p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.contact-form { background: #fff; padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.contact-form h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.contact-form > p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 28px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font);
  transition: var(--transition);
  background: var(--bg-alt);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}
.form-group textarea { height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- News Page ---------- */
.news-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 60px;
}
.news-featured-img { height: 400px; overflow: hidden; }
.news-featured-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.news-featured:hover .news-featured-img img { transform: scale(1.05); }
.news-featured-body { padding: 40px; }
.news-featured-body .featured-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 14px;
}
.news-featured-body .date {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 12px;
}
.news-featured-body h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--dark);
}
.news-featured-body p {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.icon img {
  display: block;
  width: 1.5rem;
  height: 1.5rem;
  object-fit: contain;
}
.feature-card .icon img {
  width: 1.8rem;
  height: 1.8rem;
}
.solution-card-body .icon img {
  filter: brightness(0) invert(1);
  width: 1.4rem;
  height: 1.4rem;
}
.contact-item .icon img {
  width: 1.2rem;
  height: 1.2rem;
  filter: none;
}
.value-card .icon img {
  filter: brightness(0) invert(1);
  width: 1.8rem;
  height: 1.8rem;
}
.footer-social a img {
  display: block;
  width: 1rem;
  height: 1rem;
  filter: brightness(0.6);
  transition: filter 0.35s ease;
  margin: 0 auto;
}
.footer-social a:hover img {
  filter: brightness(0) invert(1);
}
.news-card-body .date img.icon-calendar,
.news-featured-body .date img.icon-calendar {
  width: 0.85rem;
  height: 0.85rem;
  vertical-align: middle;
  margin-right: 4px;
  display: inline;
}
.news-card-body .date i {
  margin-right: 4px;
  font-size: 0.8rem;
  vertical-align: middle;
}
.news-featured-body .date i {
  margin-right: 4px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3rem; }
  .section-title { font-size: 2rem; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }

  .nav {
    position: fixed; top: 80px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .nav.open { transform: translateY(0); opacity: 1; }
  .nav a {
    color: var(--text) !important;
    padding: 14px 18px;
    width: 100%;
    border-radius: 8px;
  }
  .nav a:hover,
  .nav a.active { background: var(--bg-alt); color: var(--primary) !important; }
  .nav a::after { display: none; }

  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .hero-stat-value { font-size: 1.6rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-grid { grid-template-columns: 1fr; }
  .newsletter-inner { flex-direction: column; text-align: center; }
  .newsletter-form { flex-direction: column; width: 100%; }
  .newsletter-form input { min-width: unset; width: 100%; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-featured { grid-template-columns: 1fr; }
  .news-featured-img { height: 240px; }
  .news-featured-body { padding: 24px; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .page-hero { padding: 130px 0 60px; }
  .page-hero-content h1 { font-size: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item .number { font-size: 2rem; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

/* ---------- WhatsApp Floating Button ---------- */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(30, 155, 220, 0.4);
  transition: all 0.35s ease;
  cursor: pointer;
  text-decoration: none;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(30, 155, 220, 0.5);
}
.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  fill: #fff;
  display: block;
}
.whatsapp-btn .tooltip {
  position: absolute;
  right: 64px;
  background: #fff;
  color: #333;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.whatsapp-btn:hover .tooltip {
  opacity: 1;
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}