/* ============================================
   MIUFT Modern Enterprise Website CSS
   Fintech + AI + Anti-Financial Crime
   ============================================ */

/* ========== CSS VARIABLES ========== */
:root {
  --primary-color: #0052CC;
  --primary-dark: #003A99;
  --primary-light: #0066FF;
  --secondary-color: #FF6B35;
  --accent-color: #00D9FF;
  --success-color: #00C49F;
  --warning-color: #FFA500;
  --danger-color: #F4364C;
  --text-dark: #1A1A1A;
  --text-light: #666666;
  --text-muted: #999999;
  --bg-light: #F8F9FA;
  --bg-lighter: #FFFFFF;
  --border-color: #E0E0E0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== GLOBAL STYLES ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-lighter);
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

/* ========== CONTAINER & LAYOUT ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-fluid {
  padding: 0 20px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, 
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
.col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6,
.col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6 {
  padding: 0 10px;
  box-sizing: border-box;
}

.col-1 { flex: 0 0 8.333%; }
.col-2 { flex: 0 0 16.666%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333%; }
.col-5 { flex: 0 0 41.666%; }
.col-6 { flex: 0 0 50%; }
.col-7 { flex: 0 0 58.333%; }
.col-8 { flex: 0 0 66.666%; }
.col-9 { flex: 0 0 75%; }
.col-10 { flex: 0 0 83.333%; }
.col-11 { flex: 0 0 91.666%; }
.col-12 { flex: 0 0 100%; }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6 {
    flex: 0 0 50%;
  }
}

@media (max-width: 480px) {
  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    flex: 0 0 100%;
  }
}

/* ========== HEADER & NAVIGATION ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  align-items: center;
  padding: 1rem 0;
}

.logo-wrap {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo-img {
  max-height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  margin-left: auto;
}

.nav-item {
  margin-left: 2rem;
}

.nav-item a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.nav-item a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: white;
  color: var(--text-dark);
  border: 2px solid var(--primary-color);
}

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

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ========== HERO SECTION ========== */
.hero {
  background: linear-gradient(135deg, #0052CC 0%, #003A99 100%);
  padding: 150px 0 100px 0;
  margin-top: 60px;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.hero h1 {
  color: white;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero .btn {
  padding: 14px 32px;
  font-size: 1rem;
}

/* ========== SECTION SPACING ========== */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========== CARDS ========== */
.card {
  background-color: white;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 30px;
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.card-text {
  color: var(--text-light);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.card-link {
  color: var(--primary-color);
  font-weight: 600;
  transition: var(--transition);
}

.card-link:hover {
  color: var(--primary-dark);
}

/* ========== PRODUCT CARDS ========== */
.product-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.product-badge {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin: 20px;
  border-radius: 4px;
  display: inline-block;
  width: fit-content;
}

.product-content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-featured {
  background: linear-gradient(135deg, #0052CC 0%, #003A99 100%);
  color: white;
  border: none;
}

.product-featured .product-content {
  background: white;
}

.product-featured .product-badge {
  background-color: var(--secondary-color);
}

/* ========== CASE STUDY CARDS ========== */
.case-study-card {
  background-color: white;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  padding: 30px;
  transition: var(--transition);
}

.case-study-card:hover {
  box-shadow: var(--shadow-lg);
}

.case-study-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.case-study-badge {
  background-color: var(--bg-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
  color: var(--primary-color);
}

.case-study-result {
  background-color: var(--bg-light);
  border-left: 4px solid var(--success-color);
  padding: 1.5rem;
  border-radius: 4px;
  margin-top: 1.5rem;
}

.case-study-result strong {
  color: var(--success-color);
}

/* ========== FEATURES GRID ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-box {
  text-align: center;
  padding: 30px;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.feature-title {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.feature-text {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ========== STATS SECTION ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-box {
  padding: 20px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-light);
  font-weight: 500;
}

/* ========== FOOTER ========== */
.footer {
  background-color: var(--text-dark);
  color: white;
  padding: 60px 0 30px 0;
  margin-top: 80px;
}

.footer-section {
  margin-bottom: 40px;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary-color);
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: 1.5rem;
}

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

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

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

.form-error {
  color: var(--danger-color);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ========== UTILITIES ========== */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--text-muted);
}

.text-primary {
  color: var(--primary-color);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.py-2 { padding: 1rem 0; }
.py-3 { padding: 1.5rem 0; }
.py-4 { padding: 2rem 0; }
.py-5 { padding: 3rem 0; }

.px-2 { padding: 0 1rem; }
.px-3 { padding: 0 1.5rem; }
.px-4 { padding: 0 2rem; }

.d-flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-primary {
  background-color: var(--primary-color);
  color: white;
}

.badge-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.badge-success {
  background-color: var(--success-color);
  color: white;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  section {
    padding: 50px 0;
  }

  .hero {
    padding: 100px 0 60px 0;
  }

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

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

  .nav-item {
    margin-left: 1.5rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .stats-grid {
    gap: 20px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .hero {
    padding: 80px 0 40px 0;
    margin-top: 70px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .nav-menu {
    flex-wrap: wrap;
  }

  .nav-item {
    margin-left: 1rem;
  }

  section {
    padding: 40px 0;
  }
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade {
  animation: fadeIn 0.6s ease-out forwards;
}