/* ============================================
   DirectPay4U - Custom Stylesheet
   Corporate & Professional Design
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --dp-primary: #1a237e;
  --dp-primary-dark: #0d1452;
  --dp-primary-light: #283593;
  --dp-accent: #4fc3f7;
  --dp-accent-dark: #0288d1;
  --dp-gradient-start: #1a237e;
  --dp-gradient-end: #0d47a1;
  --dp-text-dark: #1a1a2e;
  --dp-text-muted: #5a6577;
  --dp-bg-white: #ffffff;
  --dp-bg-light: #f4f6fb;
  --dp-bg-dark: #0f1629;
  --dp-border-light: #e2e8f0;
  --dp-shadow-sm: 0 2px 8px rgba(26, 35, 126, 0.08);
  --dp-shadow-md: 0 4px 20px rgba(26, 35, 126, 0.12);
  --dp-shadow-lg: 0 8px 40px rgba(26, 35, 126, 0.16);
  --dp-radius-sm: 8px;
  --dp-radius-md: 12px;
  --dp-radius-lg: 16px;
  --dp-transition: all 0.3s ease;
}

/* --- Global Resets & Base --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--dp-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--dp-text-dark);
  line-height: 1.3;
}

p {
  color: var(--dp-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: var(--dp-accent-dark);
  text-decoration: none;
  transition: var(--dp-transition);
}

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

section {
  padding: 80px 0;
}

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

/* --- Utility Classes --- */
.section-light {
  background: var(--dp-bg-light);
}

.section-gradient {
  background: linear-gradient(135deg, var(--dp-gradient-start), var(--dp-gradient-end));
}

.section-dark {
  background: var(--dp-bg-dark);
}

.text-accent {
  color: var(--dp-accent) !important;
}

/* --- Buttons --- */
.btn-primary {
  background: linear-gradient(135deg, var(--dp-primary), var(--dp-primary-light));
  border: none;
  border-radius: var(--dp-radius-sm);
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  transition: var(--dp-transition);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--dp-primary-dark), var(--dp-primary));
  transform: translateY(-1px);
  box-shadow: var(--dp-shadow-md);
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--dp-radius-sm);
  font-weight: 600;
  padding: 0.5rem 1.5rem;
  transition: var(--dp-transition);
}

.btn-outline-light:hover {
  background: #ffffff;
  color: var(--dp-primary) !important;
  border-color: #ffffff;
}

.btn-light {
  background: #ffffff;
  color: var(--dp-primary);
  border-radius: var(--dp-radius-sm);
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: var(--dp-transition);
}

.btn-light:hover {
  background: #f0f0f0;
  color: var(--dp-primary-dark);
  box-shadow: var(--dp-shadow-sm);
}

/* ============================================
   SECTION 1: Navbar
   ============================================ */
.navbar {
  background: #ffffff;
  padding: 0.75rem 0;
  transition: var(--dp-transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  box-shadow: var(--dp-shadow-sm);
  border-bottom: 1px solid var(--dp-border-light);
}

.navbar .navbar-brand img {
  height: 3rem;
}

.navbar .nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--dp-text-dark) !important;
  padding: 0.5rem 1rem;
  transition: var(--dp-transition);
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: var(--dp-primary) !important;
}

.navbar .dropdown-menu {
  border: 1px solid var(--dp-border-light);
  border-radius: var(--dp-radius-sm);
  box-shadow: var(--dp-shadow-md);
  padding: 0.5rem 0;
}

.navbar .dropdown-item {
  font-size: 0.9rem;
  padding: 0.5rem 1.25rem;
  transition: var(--dp-transition);
}

.navbar .dropdown-item:hover {
  background: var(--dp-bg-light);
  color: var(--dp-primary);
}

.navbar .btn-primary {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
}

/* ============================================
   SECTION 2: Hero
   ============================================ */
#hero {
  padding: 160px 0 100px;
  position: relative;
}

#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

#hero p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 820px;
  margin: 0 auto;
}

/* ============================================
   SECTION 3: Services
   ============================================ */
#services {
  background: var(--dp-bg-light);
}

#services h2 {
  color: var(--dp-primary);
  margin-bottom: 2.5rem;
}

.service-card {
  background: #ffffff;
  border-radius: var(--dp-radius-md);
  box-shadow: var(--dp-shadow-sm);
  padding: 2rem 1rem;
  text-align: center;
  transition: var(--dp-transition);
  height: 100%;
}

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

.service-card i {
  font-size: 2.5rem;
  color: var(--dp-primary);
  margin-bottom: 1rem;
  display: block;
}

.service-card h5 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  color: var(--dp-text-dark);
}

/* ============================================
   SECTION 4: Mission & Vision
   ============================================ */
#mission-vision {
  background: var(--dp-bg-white);
}

.mv-card {
  display: flex;
  align-items: center;
  background: #ffffff;
  border-radius: var(--dp-radius-md);
  box-shadow: var(--dp-shadow-sm);
  padding: 2rem;
  border-left: 4px solid var(--dp-primary);
  gap: 1.5rem;
  height: 100%;
  transition: var(--dp-transition);
}

.mv-card:hover {
  box-shadow: var(--dp-shadow-md);
}

.mv-card-body {
  flex: 1;
}

.mv-card-body h4 {
  color: var(--dp-primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.mv-card-body p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.mv-card-icon {
  flex-shrink: 0;
}

.mv-card-icon i {
  font-size: 3rem;
  color: var(--dp-accent);
}

/* ============================================
   SECTION 5: Advantages
   ============================================ */
#advantages {
  padding: 0;
}

.advantage-col {
  padding: 4rem 3rem;
}

.advantage-col h3 {
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 1rem;
}

.advantage-col p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
}

@media (min-width: 992px) {
  .advantage-col:first-child {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
  }
}

/* ============================================
   SECTION 6: BBPS Services
   ============================================ */
#bbps {
  background: var(--dp-bg-white);
}

#bbps h2 {
  color: var(--dp-primary);
  font-weight: 800;
  line-height: 1.2;
}

#bbps .bbps-img {
  border-radius: var(--dp-radius-lg);
  box-shadow: var(--dp-shadow-md);
}

/* ============================================
   SECTION 7: Features
   ============================================ */
#features {
  background: var(--dp-primary);
}

.feature-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--dp-radius-md);
  padding: 2rem;
  transition: var(--dp-transition);
  height: 100%;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.13);
  transform: translateY(-2px);
}

.feature-card h5 {
  color: var(--dp-accent);
  font-weight: 600;
  margin-bottom: 1rem;
  padding-left: 1.25rem;
  position: relative;
}

.feature-card h5::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: var(--dp-accent);
  border-radius: 2px;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ============================================
   SECTION 8: Instant Confirmation
   ============================================ */
#confirmation {
  background: var(--dp-bg-light);
}

#confirmation h2 {
  color: var(--dp-primary);
  font-weight: 800;
}

#confirmation .confirm-img {
  border-radius: var(--dp-radius-lg);
  box-shadow: var(--dp-shadow-md);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  padding: 0.625rem 0 0.625rem 2.25rem;
  position: relative;
  font-weight: 500;
  color: var(--dp-text-dark);
  font-size: 1.05rem;
}

.check-list li::before {
  content: '\F26A';
  font-family: 'bootstrap-icons';
  position: absolute;
  left: 0;
  top: 0.625rem;
  color: var(--dp-accent-dark);
  font-size: 1.2rem;
}

/* ============================================
   SECTION 9: Support CTA
   ============================================ */
#support-cta {
  padding: 60px 0;
}

#support-cta h3 {
  color: #ffffff;
  font-weight: 700;
}

/* ============================================
   SECTION 10: Contact Form
   ============================================ */
#contact-form {
  background: var(--dp-bg-white);
}

#contact-form h3 {
  color: var(--dp-primary);
}

#contact-form .form-control {
  border: 1px solid var(--dp-border-light);
  border-radius: var(--dp-radius-sm);
  padding: 0.875rem 1rem;
  font-size: 1rem;
  transition: var(--dp-transition);
  background: #fafbfd;
}

#contact-form .form-control:focus {
  border-color: var(--dp-primary);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
  background: #ffffff;
}

#contact-form textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

#contact-form .btn-primary {
  padding: 0.75rem 2.5rem;
  font-size: 1.05rem;
}

/* ============================================
   SECTION 11: Contact Info
   ============================================ */
#contact-info {
  background: var(--dp-bg-light);
  padding: 60px 0;
}

#contact-info h4 {
  color: var(--dp-primary);
}

#contact-info h6 {
  color: var(--dp-text-dark);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.contact-icon {
  font-size: 1.25rem;
  color: var(--dp-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.social-icons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dp-primary);
  color: #ffffff;
  font-size: 1rem;
  transition: var(--dp-transition);
}

.social-icons a:hover {
  background: var(--dp-accent-dark);
  transform: translateY(-2px);
}

/* ============================================
   SECTION 12 & 13: Footer
   ============================================ */
#footer {
  background: var(--dp-bg-dark);
  padding: 60px 0;
}

#footer h6 {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links li,
.footer-links a {
  color: #8892a4;
  font-size: 0.9rem;
  transition: var(--dp-transition);
}

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

#copyright {
  background: var(--dp-bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem 0;
}

#copyright p {
  color: #6b7280;
  font-size: 0.85rem;
  margin: 0;
}

/* ============================================
   Inner Pages (About Us, Contact Us, etc.)
   ============================================ */
.page-header {
  padding: 140px 0 60px;
}

.page-header h1 {
  color: #ffffff;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-content {
  background: var(--dp-bg-white);
}

.page-content p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--dp-text-muted);
  white-space: pre-line;
}

.page-content h4 {
  color: var(--dp-primary);
}

/* ============================================
   Responsive Overrides
   ============================================ */
@media (max-width: 991.98px) {
  section {
    padding: 60px 0;
  }

  #hero {
    padding: 130px 0 70px;
  }

  .mv-card {
    flex-direction: column;
    text-align: center;
  }

  .mv-card-body h4 {
    text-align: center;
  }

  .advantage-col {
    padding: 3rem 2rem;
  }

  .advantage-col:first-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 50px 0;
  }

  #hero {
    padding: 120px 0 60px;
  }

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

  #hero p {
    font-size: 1rem;
  }

  .service-card {
    padding: 1.5rem 0.75rem;
  }

  .service-card i {
    font-size: 2rem;
  }

  .advantage-col {
    padding: 2rem 1.5rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

  #support-cta {
    padding: 40px 0;
  }

  #support-cta h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 575.98px) {
  .navbar .navbar-brand img {
    height: 2.5rem;
  }

  .service-card h5 {
    font-size: 0.85rem;
  }
}