/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
  --color-dark: #1a1a1a;
  --color-dark-muted: #2a2a2a;
  --color-light: #fdfdfd;
  --color-grey: #f4f4f4;
  --color-grey-dark: #4a4a4a;
  --color-accent: #d4c5b9;
  --color-whatsapp: #25D366;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container-width: 1200px;
  --transition-speed: 0.3s;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-light);
  color: var(--color-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

.section-grey {
  background-color: var(--color-grey);
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }

/* ==========================================================================
   Page Load Animation
   ========================================================================== */
@keyframes pageLoad {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

body {
  animation: pageLoad 0.6s ease-out;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

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

.btn-primary:hover {
  background-color: var(--color-accent);
  color: var(--color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-dark);
  color: var(--color-dark);
}

.btn-outline:hover {
  background-color: var(--color-dark);
  color: var(--color-light);
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  border: 2px solid var(--color-light);
  color: var(--color-light);
}

.btn-outline-light:hover {
  background-color: var(--color-light);
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(253, 253, 253, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid #eaeaea;
  transition: all var(--transition-speed);
}

.header.scrolled {
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-speed);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--color-dark);
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--color-accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
  position: relative;
  color: var(--color-light);
  padding-top: 80px;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.7));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  font-size: 56px;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 40px;
  color: #ddd;
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 16px;
}

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

.slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible,
.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ==========================================================================
   Stats / Trust Section
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item h3 {
  font-size: 40px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-grey-dark);
}

/* ==========================================================================
   Products Grid
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--color-light);
  border: 1px solid #eaeaea;
  border-radius: 5px;
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background-color: var(--color-grey);
  transition: transform 0.5s ease;
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.product-info p {
  color: var(--color-grey-dark);
  font-size: 14px;
  margin-bottom: 16px;
}

/* ==========================================================================
   Features / Why Us
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-card {
  padding: 40px;
  background-color: var(--color-light);
  border-top: 4px solid var(--color-accent);
  border-radius: 5px;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--color-grey-dark);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--color-light);
  padding: 32px;
  border-radius: 8px;
  border-left: 4px solid var(--color-accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.testimonial-card p.quote {
  font-style: italic;
  color: var(--color-grey-dark);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-card .author {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-dark);
}

.testimonial-card .role {
  font-size: 13px;
  color: var(--color-grey-dark);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
}

.trust-badge {
  text-align: center;
  padding: 16px 24px;
}

.trust-badge .flag {
  font-size: 32px;
  margin-bottom: 8px;
}

.trust-badge span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-grey-dark);
}

/* ==========================================================================
   Product Gallery
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.gallery-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background-color: var(--color-grey);
  border-radius: 5px;
  cursor: pointer;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  border: 2px solid transparent;
}

.gallery-thumb:hover,
.gallery-thumb.active {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-color: var(--color-accent);
}

/* ==========================================================================
   Product Tabs
   ========================================================================== */
.product-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #eaeaea;
  margin-bottom: 32px;
}

.product-tabs button {
  padding: 14px 24px;
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-grey-dark);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-speed);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-tabs button:hover {
  color: var(--color-dark);
}

.product-tabs button.active {
  color: var(--color-dark);
  border-bottom-color: var(--color-dark);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: tabFade 0.3s ease-out;
}

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

/* ==========================================================================
   Video Placeholder
   ========================================================================== */
.video-placeholder {
  position: relative;
  background-color: var(--color-dark-muted);
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-speed);
}

.video-placeholder:hover {
  transform: scale(1.01);
}

.play-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-speed), transform var(--transition-speed);
}

.play-icon:hover {
  background: rgba(255,255,255,0.25);
  transform: scale(1.1);
}

.play-icon svg {
  fill: white;
  margin-left: 4px;
}

/* ==========================================================================
   Blog Cards
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.blog-card {
  background: var(--color-light);
  border: 1px solid #eaeaea;
  border-radius: 5px;
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-grey);
}

.blog-card-body {
  padding: 24px;
}

.blog-card-body .tag {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
  display: inline-block;
}

.blog-card-body h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.blog-card-body p {
  font-size: 14px;
  color: var(--color-grey-dark);
  margin-bottom: 16px;
}

/* ==========================================================================
   Form Enhancements
   ========================================================================== */
.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 16px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background-color: var(--color-light);
  font-family: inherit;
  font-size: 16px;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-dark);
  box-shadow: 0 0 0 3px rgba(26,26,26,0.08);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%234a4a4a'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}

.form-success.show {
  display: block;
  animation: tabFade 0.5s ease-out;
}

.form-success svg {
  margin: 0 auto 16px;
}

.form-success h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--color-grey-dark);
}

/* ==========================================================================
   Google Maps Embed
   ========================================================================== */
.map-container {
  width: 100%;
  height: 350px;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 32px;
  border: 1px solid #eaeaea;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 110px;
  right: 40px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-dark);
  color: var(--color-light);
  border: none;
  font-size: 20px;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  color: var(--color-dark);
  transform: translateY(-3px);
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 40px;
  right: 40px;
  background-color: var(--color-whatsapp);
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 1000;
  transition: transform var(--transition-speed);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: 80px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer h4 {
  font-size: 18px;
  margin-bottom: 24px;
  color: var(--color-accent);
}

.footer p, .footer a {
  color: #aaa;
  margin-bottom: 12px;
  display: block;
}

.footer a:hover {
  color: var(--color-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  color: #777;
  font-size: 14px;
}

/* ==========================================================================
   Product Detail Template
   ========================================================================== */
.product-detail-hero {
  background-color: var(--color-grey);
  padding: 120px 0 60px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}

.spec-table th, .spec-table td {
  padding: 16px;
  border-bottom: 1px solid #eaeaea;
  text-align: left;
}

.spec-table th {
  font-weight: 600;
  width: 30%;
  color: var(--color-grey-dark);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
  .hero h1 { font-size: 48px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; gap: 0; }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--color-light);
    flex-direction: column;
    padding: 24px;
    gap: 24px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 { font-size: 36px; }
  .hero-btns { flex-direction: column; }
  .btn { text-align: center; }

  .features-grid, .footer-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .product-tabs { overflow-x: auto; }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 24px;
  }

  .back-to-top {
    bottom: 80px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}