/* Architectural Studio CSS - Cyan Energy & Amber Power Theme */

/* Root Variables */
:root {
  --primary-color: #00BCD4;
  --primary-dark: #0097A7;
  --primary-light: #B2EBF2;
  --secondary-color: #FF6F00;
  --secondary-dark: #E65100;
  --secondary-light: #FFB74D;
  --dark-bg: #0a1128;
  --light-bg: #f8f9fa;
  --text-dark: #1a1a1a;
  --text-light: #ffffff;
  --transition-base: all 0.3s ease;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--light-bg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.display-2 {
  font-weight: 800 !important;
  letter-spacing: -1px;
}

.display-3 {
  font-weight: 800 !important;
  letter-spacing: -0.5px;
}

.display-4 {
  font-weight: 700 !important;
}

.display-5 {
  font-weight: 700 !important;
}

/* Navbar Styles */
.navbar {
  background: linear-gradient(135deg, rgba(10, 17, 40, 0.98) 0%, rgba(0, 188, 212, 0.95) 100%) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: 1rem 0;
  transition: var(--transition-base);
  z-index: 1050;
}

.navbar.scrolled {
  background: linear-gradient(135deg, rgba(10, 17, 40, 1) 0%, rgba(0, 188, 212, 0.98) 100%) !important;
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.8rem !important;
  color: var(--text-light) !important;
  font-weight: 800 !important;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition-base);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.navbar-brand:hover {
  color: var(--secondary-color) !important;
  transform: translateY(-2px);
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1.2rem !important;
  margin: 0 0.2rem;
  border-radius: 8px;
  transition: var(--transition-base);
  position: relative;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.navbar-dark .navbar-nav .nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--secondary-color);
  transform: translateX(-50%);
  transition: var(--transition-base);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--secondary-color) !important;
  background: rgba(255, 111, 0, 0.1);
  transform: translateY(-2px);
}

.navbar-dark .navbar-nav .nav-link:hover::before,
.navbar-dark .navbar-nav .nav-link.active::before {
  width: 80%;
}

.navbar-toggler {
  border: 2px solid var(--secondary-color) !important;
  padding: 0.5rem 0.75rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 111, 0, 0.5) !important;
}

.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='%23FF6F00' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #001f3f 50%, var(--primary-dark) 100%);
  padding-top: 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(0, 188, 212, 0.2) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 111, 0, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.video-background {
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section .text-white {
  color: var(--text-light) !important;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
  animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.8;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.4);
}

/* Buttons */
.btn {
  font-weight: 600 !important;
  border-radius: 12px;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-lg {
  padding: 1rem 2.5rem !important;
  font-size: 1.1rem !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--text-light) !important;
  box-shadow: 0 4px 15px rgba(0, 188, 212, 0.4);
  border: 2px solid transparent !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
  color: var(--text-light) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 188, 212, 0.6);
}

.btn-outline-primary {
  border: 2px solid var(--primary-color) !important;
  color: var(--primary-color) !important;
  background: transparent !important;
}

.btn-outline-primary:hover {
  background: var(--primary-color) !important;
  color: var(--text-light) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 188, 212, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%) !important;
  color: var(--text-light) !important;
  box-shadow: 0 4px 15px rgba(255, 111, 0, 0.4);
  border: 2px solid transparent !important;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%) !important;
  color: var(--text-light) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 111, 0, 0.6);
}

.btn-light {
  background: rgba(255, 255, 255, 0.95) !important;
  color: var(--text-dark) !important;
  border: 2px solid var(--light-bg) !important;
}

.btn-light:hover {
  background: var(--text-light) !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Service Cards */
.service-card {
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.05) 0%, rgba(255, 111, 0, 0.05) 100%);
  border: 2px solid transparent;
  border-radius: 16px;
  padding: 3rem 2rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  height: 100%;
  min-height: 350px;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.1), transparent);
  transition: left 0.5s;
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: 0 15px 40px rgba(0, 188, 212, 0.3);
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1) 0%, rgba(255, 111, 0, 0.1) 100%);
}

.service-overlay {
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.9) 0%, rgba(255, 111, 0, 0.9) 100%);
  opacity: 0;
  transition: var(--transition-base);
  z-index: 1;
}

.service-card:hover .service-overlay {
  opacity: 1;
}

.service-card .bi {
  font-size: 3.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  transition: var(--transition-base);
  display: inline-block;
}

.service-card:hover .bi {
  color: var(--secondary-color);
  transform: scale(1.2) rotate(5deg);
}

.service-card .h2 {
  color: var(--text-dark) !important;
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.service-card p {
  color: var(--text-dark) !important;
  font-size: 1rem;
  line-height: 1.7;
}

/* Badge */
.badge {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%) !important;
  color: var(--text-light) !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.6rem 1.2rem !important;
  box-shadow: 0 2px 10px rgba(255, 111, 0, 0.3);
}

/* Cards */
.card {
  border: none !important;
  border-radius: 16px !important;
  overflow: hidden;
  transition: var(--transition-base);
  background: var(--text-light);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--text-light) !important;
  font-weight: 700 !important;
  padding: 1.5rem !important;
  border: none !important;
}

.card-body {
  padding: 2rem !important;
}

.card-title {
  color: var(--text-dark) !important;
  font-weight: 700 !important;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-dark) !important;
  line-height: 1.7;
}

/* Program Cards */
.program-card {
  background: var(--text-light);
  border: 2px solid rgba(0, 188, 212, 0.2) !important;
  border-radius: 16px !important;
  overflow: hidden;
  transition: var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.program-card:hover {
  border-color: var(--primary-color) !important;
  box-shadow: 0 10px 30px rgba(0, 188, 212, 0.3);
  transform: translateY(-8px);
}

.program-card img {
  height: 250px;
  object-fit: cover;
  transition: var(--transition-base);
}

.program-card:hover img {
  transform: scale(1.05);
}

/* Accordion */
.accordion-item {
  border: 2px solid rgba(0, 188, 212, 0.2) !important;
  border-radius: 12px !important;
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--text-light);
}

.accordion-button {
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1) 0%, rgba(255, 111, 0, 0.05) 100%) !important;
  color: var(--text-dark) !important;
  font-weight: 700 !important;
  font-size: 1.1rem;
  padding: 1.5rem !important;
  border: none !important;
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--text-light) !important;
  box-shadow: none !important;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(0, 188, 212, 0.25) !important;
}

.accordion-button::after {
  filter: brightness(0) invert(1);
}

.accordion-body {
  padding: 1.5rem !important;
  background: var(--text-light);
  color: var(--text-dark) !important;
  line-height: 1.8;
}

/* Forms */
.form-control,
.form-select {
  border: 2px solid rgba(0, 188, 212, 0.3) !important;
  border-radius: 10px !important;
  padding: 0.75rem 1rem !important;
  font-size: 1rem;
  transition: var(--transition-base);
  background: var(--text-light) !important;
  color: var(--text-dark) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(0, 188, 212, 0.25) !important;
  background: var(--text-light) !important;
  color: var(--text-dark) !important;
}

.form-floating > label {
  color: rgba(0, 0, 0, 0.6) !important;
  font-weight: 500;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  color: var(--primary-color) !important;
}

.form-check-input {
  border: 2px solid var(--primary-color) !important;
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(0, 188, 212, 0.25) !important;
}

.form-check-label {
  color: var(--text-dark) !important;
  font-weight: 500;
  cursor: pointer;
  margin-left: 0.5rem;
}

.invalid-feedback {
  color: #dc3545 !important;
  font-weight: 600 !important;
  font-size: 0.9rem;
  display: block;
  margin-top: 0.5rem;
}

/* Alerts */
.alert {
  border: none !important;
  border-radius: 12px !important;
  padding: 1.25rem 1.5rem !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
  color: var(--text-light) !important;
}

.alert-info {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: var(--text-light) !important;
}

.alert-warning {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%) !important;
  color: var(--text-light) !important;
}

.alert .bi {
  font-size: 1.5rem;
  margin-right: 0.75rem;
}

/* Images */
.img-fluid {
  border-radius: 16px;
  transition: var(--transition-base);
}

.img-fluid:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.rounded-4 {
  border-radius: 16px !important;
}

.rounded-circle {
  border-radius: 50% !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

/* Filter Buttons */
.filter-btn {
  background: transparent;
  border: 2px solid var(--primary-color) !important;
  color: var(--primary-color) !important;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  transition: var(--transition-base);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color) !important;
  color: var(--text-light) !important;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 188, 212, 0.4);
}

/* Navigation Tabs */
.nav {
  border: none !important;
}

.nav-link {
  color: var(--text-dark) !important;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  background: rgba(0, 188, 212, 0.1);
  border-color: var(--primary-color);
}

/* List Styles */
.list-unstyled li {
  padding: 0.5rem 0;
  transition: var(--transition-base);
}

.list-unstyled a {
  color: var(--text-dark) !important;
  text-decoration: none !important;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
}

.list-unstyled a:hover {
  color: var(--primary-color) !important;
  transform: translateX(5px);
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #001f3f 100%);
  color: rgba(255, 255, 255, 0.9) !important;
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

footer h5,
footer h4 {
  color: var(--text-light) !important;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

footer p,
footer a {
  color: rgba(255, 255, 255, 0.85) !important;
}

footer a:hover {
  color: var(--secondary-color) !important;
  transform: translateX(3px);
}

/* Social Icons */
.bi-facebook,
.bi-instagram,
.bi-youtube {
  font-size: 1.5rem;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(0, 188, 212, 0.2);
  color: var(--text-light) !important;
}

.bi-facebook:hover,
.bi-instagram:hover,
.bi-youtube:hover {
  background: var(--secondary-color);
  color: var(--text-light) !important;
  transform: translateY(-5px) rotate(5deg);
  box-shadow: 0 5px 15px rgba(255, 111, 0, 0.5);
}

/* Text Utilities */
.text-white {
  color: var(--text-light) !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

.text-muted {
  color: rgba(0, 0, 0, 0.6) !important;
}

.text-light {
  color: rgba(255, 255, 255, 0.9) !important;
}

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

/* Background Utilities */
.bg-light {
  background-color: var(--light-bg) !important;
}

.bg-white {
  background-color: var(--text-light) !important;
}

/* Border Utilities */
.border-start {
  border-left: 4px solid var(--primary-color) !important;
}

.border-3 {
  border-width: 3px !important;
}

/* Position Utilities */
.position-sticky {
  position: sticky !important;
  top: 100px;
}

/* 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(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fadeIn {
  animation: fadeIn 1s ease-out;
}

.animate-slideInLeft {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.8s ease-out;
}

/* Scroll Animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate.active {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Spinner */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(0, 188, 212, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Typography */
@media (max-width: 991px) {
  .display-2 {
    font-size: 3rem !important;
  }
  
  .display-3 {
    font-size: 2.5rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.75rem !important;
  }
}

@media (max-width: 767px) {
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .display-5 {
    font-size: 1.5rem !important;
  }
  
  .lead {
    font-size: 1.1rem !important;
  }
}

/* Mobile Menu */
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(10, 17, 40, 0.98);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav {
    gap: 0.5rem;
  }
  
  .navbar-dark .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
  }
}

/* Utility Classes */
.opacity-75 {
  opacity: 0.75 !important;
}

.fw-bold {
  font-weight: 700 !important;
}

.fw-semibold {
  font-weight: 600 !important;
}

.gap-3 {
  gap: 1rem !important;
}

.gap-4 {
  gap: 1.5rem !important;
}

/* Section Padding */
.py-5 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

.py-4 {
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.p-5 {
  padding: 3rem !important;
}

.p-4 {
  padding: 2rem !important;
}

/* Hover Effects */
.hover-lift {
  transition: var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Icons */
.bi {
  display: inline-block;
  vertical-align: middle;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  color: var(--text-light) !important;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 15px rgba(255, 111, 0, 0.4);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(255, 111, 0, 0.6);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .scroll-to-top,
  footer {
    display: none !important;
  }
}