/* ===== CSS Variables / Theme ===== */
:root {
  --primary: #0b1d3a;
  --primary-light: #132d5e;
  --accent: #00a8e8;
  --accent-dark: #007bb5;
  --text-light: #f0f4f8;
  --text-dark: #1a1a2e;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.10);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
}

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

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

/* ===== Navbar ===== */
.navbar {
  background: var(--primary) !important;
  padding: 0.6rem 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

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

.navbar-brand span {
  color: var(--accent);
}

.navbar .tagline {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.7);
  display: block;
  margin-top: -4px;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: color var(--transition);
}

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

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}

.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(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1a3a6a 100%);
  color: var(--text-light);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0, 168, 232, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
}

.hero .btn-accent {
  margin-top: 1.5rem;
}

.hero-image img {
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ===== Buttons ===== */
.btn-accent {
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  border: none;
  transition: background var(--transition), transform var(--transition);
  display: inline-block;
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-accent {
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 0.6rem 1.8rem;
  border-radius: 6px;
  font-weight: 600;
  background: transparent;
  transition: all var(--transition);
  display: inline-block;
}

.btn-outline-accent:hover {
  background: var(--accent);
  color: #fff;
}

/* ===== Section Utilities ===== */
.section {
  padding: 5rem 0;
}

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

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

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

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: #6c757d;
  margin-bottom: 2.5rem;
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Service Overview Cards (Home) ===== */
.service-card {
  background: var(--bg-white);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
  border-top: 4px solid var(--accent);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.15);
}

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

.service-card h4 {
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--primary);
}

.service-card ul {
  list-style: none;
  padding: 0;
}

.service-card ul li {
  padding: 0.3rem 0;
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
}

.service-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}

.service-card .card-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 600;
  transition: color var(--transition);
}

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

/* ===== Tech Bar ===== */
.tech-bar {
  background: var(--primary-light);
  padding: 3rem 0;
}

.tech-item {
  text-align: center;
  color: var(--text-light);
  padding: 1rem 0.5rem;
}

.tech-item i {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.tech-item span {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.9;
}

/* ===== About Section ===== */
.about-section {
  background: var(--bg-white);
}

.about-section p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
}

/* ===== Cloud Migration ===== */
.migration-section ul {
  list-style: none;
  padding: 0;
}

.migration-section ul li {
  padding: 0.55rem 0;
  padding-left: 1.6rem;
  position: relative;
  font-size: 1rem;
}

.migration-section ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent);
}

.migration-card {
  background: var(--bg-white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  text-align: center;
  transition: transform var(--transition);
}

.migration-card:hover {
  transform: translateY(-4px);
}

.migration-card i {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.migration-card h5 {
  font-weight: 700;
  color: var(--primary);
}

/* ===== Services Page Cards ===== */
.services-grid .service-detail-card {
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}

.services-grid .service-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.15);
}

.services-grid .service-detail-card .card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.services-grid .service-detail-card .card-body {
  padding: 1.5rem;
}

.services-grid .service-detail-card h4 {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

.services-grid .service-detail-card ul {
  list-style: none;
  padding: 0;
}

.services-grid .service-detail-card ul li {
  padding: 0.35rem 0;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.95rem;
}

.services-grid .service-detail-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ===== Services Page Header ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-light);
  padding: 5rem 0 3rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 650px;
  margin: 0 auto;
}

/* ===== Contact Page ===== */
.contact-section {
  background: var(--bg-light);
}

.contact-form {
  background: var(--bg-white);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

.contact-form .form-label {
  font-weight: 600;
  color: var(--primary);
}

.contact-form .form-control {
  border-radius: 6px;
  border: 1px solid #dee2e6;
  padding: 0.65rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form .form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(0, 168, 232, 0.15);
}

.contact-info {
  padding: 2rem 0;
}

.contact-info .info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info .info-item i {
  font-size: 1.4rem;
  color: var(--accent);
  margin-top: 0.2rem;
}

.contact-info .info-item h6 {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.2rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1.5rem;
}

.site-footer h5 {
  color: var(--text-light);
  font-weight: 700;
  margin-bottom: 1rem;
}

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

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

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

.site-footer .footer-links li {
  padding: 0.3rem 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .hero {
    padding: 4rem 0 3rem;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    margin: 0 auto;
  }

  .hero-image {
    margin-top: 2rem;
  }
}

@media (max-width: 767px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .page-header {
    padding: 3.5rem 0 2rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }
}