/* Vittyaan - FinTech Dark Theme */

/* Color Variables */
:root {
  --bg-primary: #000000;
  --bg-secondary: #0f0f0f;
  --bg-tertiary: #1a1a1a;
  --bg-card: #121212;
  
  --accent-blue: #1e3a8a;
  --accent-blue-light: #2563eb;
  --accent-green: #10b981;
  --accent-green-dark: #059669;
  
  --text-primary: #ffffff;
  --text-secondary: #e5e5e5;
  --text-muted: #a3a3a3;
  --text-dark: #737373;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-light: rgba(255, 255, 255, 0.15);
}

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

body {
  font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: var(--accent-blue-light);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-green);
}

/* Header / Navbar */
.navbar {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  background-color: rgba(0, 0, 0, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary) !important;
  letter-spacing: 1px;
}

.navbar-nav .nav-link {
  color: var(--text-muted) !important;
  font-size: 1rem;
  font-weight: 500;
  margin: 0 1rem;
  transition: color 0.3s ease;
}

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

.navbar-toggler {
  border-color: var(--border-color);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Ensure navbar collapse shows on desktop */
@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .navbar-expand-lg .navbar-collapse.collapse {
    display: flex !important;
  }
  
  .navbar-expand-lg .navbar-collapse.collapse.show {
    display: flex !important;
  }
  
  .navbar-expand-lg .navbar-collapse:not(.show) {
    display: flex !important;
  }
  
  .navbar-toggler {
    display: none !important;
  }
}

/* Mobile navbar styles */
@media (max-width: 991px) {
  .navbar-nav {
    padding: 1rem 0;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
    margin: 0;
  }
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(30, 58, 138, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn-primary-custom {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
  border: none;
  color: var(--text-primary);
  padding: 14px 36px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  display: inline-block;
  margin: 0.5rem;
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
  color: var(--text-primary);
}

.btn-outline-custom {
  background: transparent;
  border: 2px solid var(--accent-green);
  color: var(--accent-green);
  padding: 12px 36px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  display: inline-block;
  margin: 0.5rem;
}

.btn-outline-custom:hover {
  background: var(--accent-green);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

/* Sections */
.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.bg-dark-secondary {
  background-color: var(--bg-secondary);
}

.bg-dark-tertiary {
  background-color: var(--bg-tertiary);
}

/* Cards */
.platform-card,
.blog-card,
.trust-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  height: 100%;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.platform-card::before,
.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.platform-card:hover::before,
.blog-card:hover::before {
  transform: scaleX(1);
}

.platform-card:hover,
.blog-card:hover,
.trust-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-light);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--accent-blue-light);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.card-disclaimer {
  font-size: 0.85rem;
  color: var(--text-dark);
  font-style: italic;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* Trust Signals */
.trust-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.trust-icon {
  font-size: 2.5rem;
  color: var(--accent-green);
  margin-bottom: 1rem;
}

/* Blog Cards */
.blog-card {
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.blog-category {
  background-color: var(--accent-blue);
  color: var(--text-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.blog-date {
  color: var(--text-dark);
}

.blog-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.blog-description {
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.read-more {
  color: var(--accent-green);
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.read-more:hover {
  color: var(--accent-green-dark);
  transform: translateX(5px);
}

/* Compliance Section */
.compliance-block {
  background-color: var(--bg-card);
  border-left: 4px solid var(--accent-blue);
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 8px;
}

.compliance-block h4 {
  color: var(--accent-blue-light);
  margin-bottom: 1rem;
}

.warning-text {
  color: #fbbf24;
  font-weight: 600;
}

/* Contact Form */
.contact-form {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3rem;
}

.form-control,
.form-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 20px;
  font-size: 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-blue-light);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-label {
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.3s ease;
  font-size: 1rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-disclaimer {
  background-color: var(--bg-tertiary);
  padding: 1.5rem;
  border-radius: 8px;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-dark);
  font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .contact-form {
    padding: 2rem;
  }
  
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.5rem; }
}

/* Utility Classes */
.text-accent-blue { color: var(--accent-blue-light); }
.text-accent-green { color: var(--accent-green); }
.text-muted-custom { color: var(--text-muted); }
.text-dark-custom { color: var(--text-dark); }

/* Animations Enhancement */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
}

.fade-in-up.aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
  color: white;
  border: none;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  transition: all 0.3s ease;
  font-size: 1.5rem;
}

.scroll-to-top.show {
  display: flex;
}

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.5);
}