/* ========================================
   ZetaTech - Main Stylesheet
   ======================================== */

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

/* Custom Properties */
:root {
  --primary: #189a62;
  --primary-dark: #117a4d;
  --primary-light: #1db872;
  --primary-glow: rgba(24, 154, 98, 0.25);
  --secondary: #f7cc01;
  --secondary-dark: #e0b800;
  --secondary-light: #ffe14d;
  --text-primary: #1a1a2e;
  --text-secondary: #555;
  --text-muted: #888;
  --bg-white: #ffffff;
  --bg-light: #f8faf9;
  --bg-subtle: #f0f4f2;
  --border: #e8ece9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body[dir="rtl"] {
  font-family: 'Cairo', 'Tajawal', 'Segoe UI', Arial, sans-serif;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-left"] {
  transform: translateX(-40px);
}
[data-animate="fade-left"].visible {
  transform: translateX(0);
}

[data-animate="fade-right"] {
  transform: translateX(40px);
}
[data-animate="fade-right"].visible {
  transform: translateX(0);
}

[data-animate="scale"] {
  transform: scale(0.92);
}
[data-animate="scale"].visible {
  transform: scale(1);
}

/* Stagger children */
[data-stagger] > [data-animate]:nth-child(1) { transition-delay: 0s; }
[data-stagger] > [data-animate]:nth-child(2) { transition-delay: 0.1s; }
[data-stagger] > [data-animate]:nth-child(3) { transition-delay: 0.2s; }
[data-stagger] > [data-animate]:nth-child(4) { transition-delay: 0.3s; }

/* ========================================
   Header
   ======================================== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  padding: 0.75rem 0;
  transition: box-shadow var(--transition-base),
              border-color var(--transition-base),
              background-color var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border);
  background-color: rgba(255, 255, 255, 0.97);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  height: 46px;
  width: auto;
  transition: transform var(--transition-fast);
}

.logo-link:hover .logo {
  transform: scale(1.05);
}

/* Nav */
nav ul {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

nav ul li a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast),
              background-color var(--transition-fast);
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-base), left var(--transition-base);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--primary);
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 50%;
  left: 25%;
}

/* Language Toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--bg-white);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.02em;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
  box-shadow: 0 2px 8px var(--primary-glow);
}

.lang-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.lang-toggle:active {
  transform: translateY(0);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 10;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2.5px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 50%, #0d5e3a 100%);
  color: var(--bg-white);
  padding: 6rem 2rem 5rem;
  text-align: center;
  overflow: hidden;
}

.hero-with-bg {
  background: linear-gradient(160deg, rgba(24, 154, 98, 0.55) 0%, rgba(14, 95, 58, 0.6) 50%, rgba(13, 94, 58, 0.65) 100%),
              url('../images/hero.png') center/cover no-repeat;
  padding: 8rem 2rem 7rem;
}

.hero-home-bg {
  background: linear-gradient(160deg, rgba(24, 154, 98, 0.55) 0%, rgba(14, 95, 58, 0.6) 50%, rgba(13, 94, 58, 0.65) 100%),
              url('../images/hero-home.png') center/cover no-repeat;
  padding: 8rem 2rem 7rem;
}

/* Animated background pattern */
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 50%, rgba(247, 204, 1, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(247, 204, 1, 0.05) 0%, transparent 50%);
  animation: heroShift 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes heroShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, -1%) rotate(1deg); }
  50% { transform: translate(-1%, 2%) rotate(-0.5deg); }
  75% { transform: translate(-2%, -1%) rotate(0.5deg); }
}

/* Decorative floating shapes */
.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: 5%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 204, 1, 0.12) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--bg-white);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero .hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 1rem;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero accent bar at bottom */
.hero-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary) 0%, var(--primary-light) 50%, var(--secondary) 100%);
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 200% 0; }
  50% { background-position: -200% 0; }
}

/* ========================================
   Layout
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--bg-light);
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 3px;
  margin: 0.75rem auto 0;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto;
}

/* ========================================
   Product Cards
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.product-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(24, 154, 98, 0.2);
}

.product-card-image {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
  overflow: hidden;
}

.product-card-image::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(247, 204, 1, 0.15) 0%, transparent 70%);
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image::before {
  transform: translate(-20%, 20%) scale(1.2);
}

/* Small wattage label */
.product-card-image .watt-label {
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.product-card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-card h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.product-card p {
  margin-bottom: 1.25rem;
  flex-grow: 1;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast),
              color var(--transition-fast);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-family: inherit;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 100%);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--bg-white);
  box-shadow: 0 2px 8px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(247, 204, 1, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(247, 204, 1, 0.35);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.65rem 1.75rem;
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--bg-white);
  transform: translateY(-2px);
}

.btn-outline::after {
  display: none;
}

.btn-hero {
  background: var(--secondary);
  color: var(--text-primary);
  font-size: 1.05rem;
  padding: 0.85rem 2.5rem;
  box-shadow: 0 4px 15px rgba(247, 204, 1, 0.35);
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.45s both;
}

.btn-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(247, 204, 1, 0.4);
}

/* ========================================
   About Cards
   ======================================== */
.about-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.about-card {
  background-color: var(--bg-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-card:hover::before {
  transform: scaleX(1);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(24, 154, 98, 0.15);
}

.about-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(24, 154, 98, 0.1), rgba(24, 154, 98, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--primary);
  transition: transform var(--transition-base), background var(--transition-base);
}

.about-card:hover .about-card-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, rgba(24, 154, 98, 0.15), rgba(24, 154, 98, 0.08));
}

.about-card-icon svg {
  width: 28px;
  height: 28px;
}

.about-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.about-card p {
  color: var(--text-secondary);
  margin: 0;
}

/* ========================================
   Contact
   ======================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.contact-form {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

/* ── WhatsApp Card ──────────────────────── */

.whatsapp-card {
  max-width: 540px;
  margin: 2rem auto;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 3.5rem 3rem;
  text-align: center;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.whatsapp-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.whatsapp-icon svg {
  width: 38px;
  height: 38px;
  color: #fff;
}

.whatsapp-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.whatsapp-phone {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.whatsapp-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 380px;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.9rem 2.25rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp svg {
  width: 22px;
  height: 22px;
}

.btn-whatsapp:hover {
  background: #1ebe5b;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.whatsapp-location {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.whatsapp-location svg {
  width: 18px;
  height: 18px;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-light);
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--bg-white);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.contact-details {
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  color: var(--bg-white);
  position: relative;
  overflow: hidden;
}

.contact-details::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(247, 204, 1, 0.1);
  pointer-events: none;
}

.contact-details h3 {
  color: var(--bg-white);
  margin-bottom: 2rem;
  font-size: 1.35rem;
}

.contact-item {
  margin-bottom: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--secondary);
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-text strong {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item-text p {
  color: var(--bg-white);
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  direction: ltr;
}

/* ========================================
   Product Detail Page
   ======================================== */
.product-detail {
  max-width: 900px;
  margin: 0 auto;
}

.product-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--border);
}

.product-header h1 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.product-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.product-content {
  display: grid;
  gap: 1.75rem;
}

.product-section {
  background-color: var(--bg-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition-base);
}

.product-section:hover {
  box-shadow: var(--shadow-md);
}

.product-section h2 {
  color: var(--primary);
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
}

.spec-list {
  list-style: none;
}

.spec-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.spec-list li:last-child {
  border-bottom: none;
}

.spec-list li:hover {
  background-color: var(--bg-light);
  margin: 0 -1rem;
  padding-left: 1rem;
  padding-right: 1rem;
  border-radius: var(--radius-sm);
}

.spec-label {
  font-weight: 600;
  color: var(--text-primary);
}

.spec-value {
  color: var(--text-muted);
  text-align: right;
}

/* ========================================
   Footer
   ======================================== */
footer {
  background: linear-gradient(180deg, #1a2332 0%, #141c28 100%);
  color: var(--bg-white);
  padding: 4rem 0 1.5rem;
  margin-top: 0;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}

.footer-section h3 {
  color: var(--bg-white);
  margin-bottom: 1.25rem;
  font-size: 1.1rem;
}

.footer-section .footer-brand {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.footer-section .footer-brand span {
  color: var(--secondary);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.65rem;
  display: block;
  font-size: 0.95rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-section a:hover {
  color: var(--secondary);
  transform: translateX(4px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    animation: menuSlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes menuSlideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }

  nav ul li a {
    display: block;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
  }

  nav ul li a::after {
    display: none;
  }

  nav ul li a:hover {
    background-color: var(--bg-light);
  }

  .header-container {
    position: relative;
  }

  .hero {
    padding: 4rem 1.5rem 3.5rem;
  }

  .hero-with-bg,
  .hero-home-bg {
    padding: 5rem 1.5rem 4rem;
  }

  .section {
    padding: 3rem 0;
  }

  .container {
    padding: 0 1.25rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .contact-details {
    padding: 1.5rem;
  }

  .whatsapp-card {
    padding: 2.5rem 1.5rem;
    aspect-ratio: auto;
    max-width: 100%;
  }

  .whatsapp-phone {
    font-size: 1.4rem;
  }

  .whatsapp-card h2 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero .hero-subtitle {
    font-size: 1.15rem;
  }

  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }