/*
  SEF Digital Homepage (Standalone)
  - Keeps existing NFC public-profile CSS untouched.
  - Designed to be drop-in for / (welcome.blade.php)
*/

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #0f172a;
  --accent: #3b82f6;
  --light: #f8fafc;
  --gray: #64748b;
  --light-gray: #e2e8f0;
  --border-radius: 8px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary);
  text-align: center;
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  background-color: var(--primary);
  color: #fff;
  border-radius: var(--border-radius);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.btn-whatsapp {
  background-color: #25D366;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-whatsapp:hover {
  background-color: #1da851;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: var(--shadow);
  z-index: 1000;
  padding: 15px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
}

.logo i {
  margin-right: 10px;
  color: var(--accent);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  font-weight: 600;
  color: var(--secondary);
  transition: var(--transition);
}

nav a:hover {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--secondary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-content {
  flex: 1;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: 30px;
  max-width: 600px;
}

.hero-video {
  flex: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-video video {
  width: 100%;
  height: auto;
  display: block;
}

/* Placeholder video block (so you can keep the design even without a real video file) */
.home-video-placeholder {
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  position: relative;
  background: #1e293b;
}

.home-video-placeholder-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
}

.home-video-placeholder-inner i {
  font-size: 4rem;
  margin-bottom: 10px;
}

/* Why Buy Section */
.why-buy {
  background-color: var(--light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature-card {
  background-color: #fff;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
  font-size: 1.8rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary);
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.product-card {
  background-color: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--light-gray);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.product-img {
  height: 220px;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.product-img img {
  max-width: 100%;
  max-height: 180px;
}

.product-content {
  padding: 25px;
}

.product-title {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--secondary);
}

.product-description {
  color: var(--gray);
  margin-bottom: 20px;
}

.product-price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

/* Process Section */
.process-steps {
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--light-gray);
  z-index: 1;
}

.step {
  text-align: center;
  position: relative;
  z-index: 2;
  flex: 1;
  max-width: 200px;
}

.step-number {
  width: 80px;
  height: 80px;
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h4 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--secondary);
}

/* Logos Section */
.logos-section {
  background-color: var(--light);
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.logo-item {
  background-color: #fff;
  border-radius: var(--border-radius);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-shadow: var(--shadow);
}

.logo-item img {
  max-width: 100%;
  max-height: 80px;
  filter: grayscale(100%);
  transition: var(--transition);
}

.logo-item:hover img {
  filter: grayscale(0%);
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 40px auto 0;
}

.faq-item {
  margin-bottom: 15px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 20px;
  background-color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: #f8fafc;
}

.faq-answer.open {
  padding: 20px;
  max-height: 300px;
}

.faq-toggle {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

/* Footer */
footer {
  background-color: var(--secondary);
  color: #fff;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: #fff;
}

.footer-column p {
  color: #cbd5e1;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #cbd5e1;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #334155;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-container {
    flex-direction: column;
  }

  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-steps {
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
  }

  .process-steps::before {
    display: none;
  }

  .step {
    max-width: 250px;
  }
}

@media (max-width: 768px) {
  nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #fff;
    padding: 20px;
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 999;
  }

  nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  nav ul {
    flex-direction: column;
    gap: 20px;
  }

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

  .hero h1 {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .logos-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .hero h1 {
    font-size: 2rem;
  }

  section {
    padding: 60px 0;
  }
}