/* css/style.css - Main Stylesheet */
:root {
  --professional-blue: #0A3E6D;
  --sky-blue: #2C9CD4;
  --white: #ffffff;
  --dark-bg: #121826;
  --light-gray: #f8fafc;
  --text-dark: #1e293b;
  --transition-smooth: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  background-color: var(--white);
  color: var(--text-dark);
  transition: background-color 0.3s, color 0.3s;
}

/* Dark Mode */
body.dark-mode {
  background-color: var(--dark-bg);
  color: #e2e8f0;
}

body.dark-mode .card,
body.dark-mode .navbar,
body.dark-mode .footer,
body.dark-mode .modal-content,
body.dark-mode .accordion-item,
body.dark-mode .service-card,
body.dark-mode .team-card,
body.dark-mode .job-card,
body.dark-mode .contact-info-card,
body.dark-mode .service-detailed-card {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
  border-color: #334155;
}

body.dark-mode .bg-light,
body.dark-mode section.bg-light {
  background-color: #0f172a !important;
}

body.dark-mode .text-muted {
  color: #9ca3af !important;
}

body.dark-mode .accordion-button {
  background-color: #1e293b;
  color: #f1f5f9;
}

body.dark-mode .accordion-button:not(.collapsed) {
  background-color: #0f172a;
  color: var(--sky-blue);
}

/* Preloader */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--professional-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s;
}

.loader-circle {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 255, 255, 0.2);
  border-top: 5px solid var(--sky-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Navbar */
.navbar {
  transition: var(--transition-smooth);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

body.dark-mode .navbar {
  background-color: rgba(18, 24, 38, 0.96);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--professional-blue) !important;
}

body.dark-mode .navbar-brand {
  color: var(--sky-blue) !important;
}

.nav-link {
  font-weight: 600;
  transition: 0.2s;
  margin: 0 5px;
}

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

/* Dark Mode Toggle */
.dark-toggle {
  background: var(--professional-blue);
  border-radius: 40px;
  padding: 6px 14px;
  cursor: pointer;
  color: white;
  font-weight: 600;
  transition: 0.3s;
}

.dark-toggle:hover {
  background: var(--sky-blue);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(10, 62, 109, 0.05) 0%, rgba(44, 156, 212, 0.1) 100%);
  padding-top: 140px;
  padding-bottom: 100px;
  position: relative;
  overflow: hidden;
}

.animated-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: radial-gradient(circle at 20% 50%, rgba(44, 156, 212, 0.15) 0%, transparent 50%);
  animation: floatBg 12s infinite alternate;
}

@keyframes floatBg {
  0% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  100% { transform: translate(2%, 2%) scale(1.1); opacity: 0.8; }
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--professional-blue) 0%, var(--sky-blue) 100%);
  padding: 150px 0 80px;
  color: white;
  text-align: center;
}

.page-header h1 {
  font-size: 3.5rem;
  font-weight: 800;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Buttons */
.btn-primary-custom {
  background: var(--professional-blue);
  border: none;
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  transition: 0.3s;
  color: white;
}

.btn-primary-custom:hover {
  background: var(--sky-blue);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  color: white;
}

.btn-outline-custom {
  border: 2px solid var(--professional-blue);
  background: transparent;
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  transition: 0.3s;
  color: var(--professional-blue);
}

.btn-outline-custom:hover {
  background: var(--professional-blue);
  color: white;
  transform: translateY(-3px);
}

body.dark-mode .btn-outline-custom {
  border-color: var(--sky-blue);
  color: var(--sky-blue);
}

body.dark-mode .btn-outline-custom:hover {
  background: var(--sky-blue);
  color: white;
}

/* Stats */
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--professional-blue);
}

body.dark-mode .stat-number {
  color: var(--sky-blue);
}

/* Cards */
.service-card,
.team-card,
.job-card,
.contact-info-card,
.service-detailed-card {
  background: white;
  border-radius: 24px;
  transition: var(--transition-smooth);
  border: none;
  box-shadow: 0 15px 30px -12px rgba(0, 0, 0, 0.08);
  height: 100%;
}

.service-card:hover,
.team-card:hover,
.job-card:hover {
  transform: translateY(-12px);
}

/* Section Title */
.section-title {
  font-weight: 800;
  position: relative;
  margin-bottom: 3rem;
  text-align: center;
}

.section-title:after {
  content: '';
  width: 80px;
  height: 4px;
  background: var(--sky-blue);
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 3px;
}

/* Testimonial Swiper */
.swiper {
  padding: 20px 0 50px;
}

.testimonial-card {
  background: white;
  border-radius: 28px;
  padding: 30px;
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.05);
  text-align: center;
}

body.dark-mode .testimonial-card {
  background: #0f172a;
}

.testimonial-card .stars {
  color: #ffc107;
  margin-top: 10px;
}

/* Client Logos */
.client-logo {
  filter: grayscale(100%);
  opacity: 0.6;
  transition: 0.3s;
}

.client-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--professional-blue), var(--sky-blue));
  color: white;
}

/* Footer */
.footer {
  background: #0a2540;
  color: #fff;
  padding: 50px 0 30px;
}

body.dark-mode .footer {
  background: #0a0f1c;
}

.footer a {
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.footer a:hover {
  color: var(--sky-blue);
}

.social-links a {
  display: inline-block;
  width: 35px;
  height: 35px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  text-align: center;
  line-height: 35px;
  margin-right: 8px;
  transition: 0.3s;
}

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

/* Portfolio Filter */
.filter-btn {
  background: transparent;
  border: none;
  font-weight: 600;
  margin: 5px 8px;
  padding: 8px 20px;
  border-radius: 40px;
  transition: 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--professional-blue);
  color: white;
}

body.dark-mode .filter-btn {
  color: #e2e8f0;
}

/* Portfolio Cards */
.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.portfolio-card img {
  transition: transform 0.5s;
  height: 250px;
  object-fit: cover;
}

.portfolio-card:hover img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 60px 20px 20px;
  transform: translateY(100%);
  transition: 0.3s;
}

.portfolio-card:hover .portfolio-overlay {
  transform: translateY(0);
}

.portfolio-overlay h4 {
  margin: 0;
  font-size: 1.2rem;
}

.portfolio-overlay p {
  margin: 5px 0 0;
  font-size: 0.9rem;
}

/* Gallery Images */
.gallery-img {
  transition: 0.3s;
  cursor: pointer;
}

.gallery-img:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Mission Card */
.mission-card {
  background: white;
  border-radius: 24px;
  transition: 0.3s;
  height: 100%;
}

body.dark-mode .mission-card {
  background: #1e293b;
}

.mission-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.1);
}

/* Achievement Box */
.achievement-box {
  padding: 20px;
  transition: 0.3s;
}

.achievement-box:hover {
  transform: translateY(-5px);
}

/* Trust Badge */
.trust-badge {
  background: var(--light-gray);
  padding: 25px;
  border-radius: 20px;
}

body.dark-mode .trust-badge {
  background: #1e293b;
}

/* Social Icons */
.social-icons .social-icon {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--professional-blue);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  margin-right: 10px;
  transition: 0.3s;
}

.social-icons .social-icon:hover {
  background: var(--sky-blue);
  transform: translateY(-3px);
}

body.dark-mode .social-icons .social-icon {
  background: var(--sky-blue);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  background: var(--professional-blue);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  z-index: 99;
  transition: 0.3s;
}

.back-to-top:hover {
  background: var(--sky-blue);
  transform: translateY(-3px);
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25D366;
  color: #fff;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  z-index: 98;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: 0.2s;
  text-decoration: none; /* Remove underline */
}

.whatsapp-float:hover {
  color: #fff;
  text-decoration: none; /* Remove underline on hover */
  transform: scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding-top: 110px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .page-header {
    padding: 120px 0 60px;
  }
  
  .page-header h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .portfolio-overlay {
    transform: translateY(0);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  }
}

@media (max-width: 576px) {
  .btn-primary-custom,
  .btn-outline-custom {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
}