/* Crimson Steel - Architectural Studio Theme */

:root {
  --primary-color: #D32F2F;
  --secondary-color: #212121;
  --light-gray: #F5F5F5;
  --medium-gray: #757575;
  --dark-gray: #424242;
  --white: #FFFFFF;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Navbar Styles */
.navbar {
  background-color: var(--secondary-color) !important;
  padding: 1rem 0;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(33, 33, 33, 0.98) !important;
}

.navbar-brand {
  color: var(--white) !important;
  font-size: 1.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
}

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

.nav-link {
  color: var(--light-gray) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.navbar-toggler {
  border-color: var(--primary-color) !important;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !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='rgba%28211, 47, 47, 1%29' 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(--secondary-color) 0%, var(--dark-gray) 100%);
  padding-top: 80px;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23D32F2F" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.5;
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section .display-1 {
  font-weight: 700;
  color: var(--white) !important;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section .lead {
  color: var(--light-gray) !important;
  font-size: 1.5rem;
  animation: fadeInUp 1.2s ease;
  max-width: 800px;
  margin: 0 auto 2rem;
}

/* Buttons */
.btn {
  border-radius: 0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-lg {
  padding: 1rem 2.5rem;
}

.btn:focus {
  box-shadow: none !important;
}

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

.btn-primary:hover {
  background-color: #B71C1C !important;
  border-color: #B71C1C !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(211, 47, 47, 0.3) !important;
}

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

.btn-outline-primary:hover {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(211, 47, 47, 0.3) !important;
}

.btn-light {
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
  border-color: var(--white) !important;
}

.btn-light:hover {
  background-color: var(--light-gray) !important;
  color: var(--secondary-color) !important;
  transform: translateY(-3px);
}

.btn-outline-light {
  border-color: var(--white) !important;
  color: var(--white) !important;
  background-color: transparent !important;
}

.btn-outline-light:hover {
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
  transform: translateY(-3px);
}

.btn-dark {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

.btn-dark:hover {
  background-color: var(--dark-gray) !important;
  transform: translateY(-3px);
}

.btn-outline-dark {
  border-color: var(--secondary-color) !important;
  color: var(--secondary-color) !important;
  background-color: transparent !important;
}

.btn-outline-dark:hover {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

/* Chevron Down */
.bi-chevron-down {
  color: var(--primary-color) !important;
  font-size: 2rem;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: var(--transition);
}

.bi-chevron-down:hover {
  color: var(--white) !important;
}

/* Stats Section */
.py-5 {
  background-color: var(--secondary-color);
}

.border-end {
  border-color: var(--dark-gray) !important;
}

.bi-lightning-charge-fill,
.bi-people-fill,
.bi-trophy-fill {
  color: var(--primary-color) !important;
  font-size: 3rem;
}

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

/* Badge */
.badge {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  font-weight: 600;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Cards */
.card {
  border-radius: 0;
  transition: var(--transition);
  overflow: hidden;
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2) !important;
}

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

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

.card-title {
  color: var(--secondary-color) !important;
  font-weight: 700;
  font-size: 1.25rem;
}

.card-text {
  color: var(--medium-gray) !important;
}

.card-body {
  background-color: var(--white);
}

/* Value Cards */
.value-card {
  background-color: var(--white);
  padding: 2rem;
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
  height: 100%;
}

.value-card:hover {
  transform: translateX(10px);
  box-shadow: -5px 5px 20px rgba(211, 47, 47, 0.2);
}

.value-card .bi {
  color: var(--primary-color) !important;
  font-size: 2.5rem;
}

/* About Hero */
.about-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #B71C1C 100%);
  padding: 120px 0 80px;
  color: var(--white);
}

.about-hero h1 {
  color: var(--white) !important;
}

/* Timeline */
.timeline-item {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 2rem;
  border-left: 2px solid var(--primary-color);
}

.timeline-marker {
  position: absolute;
  left: -10px;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--primary-color);
  border: 3px solid var(--white);
}

.timeline-year {
  color: var(--primary-color) !important;
  font-weight: 700;
  font-size: 1.5rem;
}

/* Mission Box */
.mission-box {
  background-color: var(--light-gray);
  padding: 3rem;
  border-left: 5px solid var(--primary-color);
  margin: 2rem 0;
}

/* Gallery */
.transformation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  height: 300px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(211, 47, 47, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  color: var(--white) !important;
}

.gallery-item:hover img {
  transform: scale(1.2);
}

.gallery-item:hover .overlay {
  opacity: 1;
}

/* Certifications */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.cert-badge {
  text-align: center;
  padding: 2rem;
  background-color: var(--white);
  border: 2px solid var(--light-gray);
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cert-badge .bi {
  font-size: 3rem;
  color: var(--primary-color) !important;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml,%3Csvg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z" fill="%23D32F2F" fill-opacity="0.05" fill-rule="evenodd"/%3E%3C/svg%3E');
  opacity: 0.3;
}

.cta-section h2,
.cta-section p {
  color: var(--white) !important;
}

/* Forms */
.form-control,
.form-select {
  border-radius: 0;
  border: 2px solid var(--light-gray);
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.15) !important;
}

.form-label {
  color: var(--secondary-color) !important;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.invalid-feedback {
  color: var(--primary-color) !important;
  font-weight: 500;
}

.form-control.is-invalid {
  border-color: var(--primary-color) !important;
}

/* Alert */
.alert-success {
  background-color: #4CAF50 !important;
  color: var(--white) !important;
  border: none;
  border-radius: 0;
  border-left: 4px solid #2E7D32;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background-color: var(--light-gray);
  color: var(--secondary-color) !important;
  border: 2px solid transparent;
  padding: 0.75rem 2rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: var(--white) !important;
  border-color: var(--primary-color);
}

/* Class Cards */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.class-card-wrapper {
  perspective: 1000px;
  height: 400px;
}

.class-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.class-card-wrapper:hover .class-card-inner {
  transform: rotateY(180deg);
}

.class-card-front,
.class-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border: 2px solid var(--light-gray);
  background-color: var(--white);
}

.class-card-front {
  display: flex;
  flex-direction: column;
}

.class-card-back {
  background-color: var(--primary-color);
  color: var(--white) !important;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.class-card-back p {
  color: var(--white) !important;
}

/* Table */
.table {
  color: var(--secondary-color) !important;
}

.table-hover tbody tr:hover {
  background-color: rgba(211, 47, 47, 0.05);
}

.table thead {
  background-color: var(--secondary-color);
  color: var(--white) !important;
}

.table thead th {
  color: var(--white) !important;
  border: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Accordion */
.accordion-button {
  background-color: var(--light-gray);
  color: var(--secondary-color) !important;
  font-weight: 600;
  border-radius: 0 !important;
}

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary-color);
}

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

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}

.accordion-body {
  background-color: var(--white);
  color: var(--secondary-color) !important;
}

.accordion-item {
  border: 1px solid var(--light-gray);
  border-radius: 0;
  margin-bottom: 1rem;
}

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

.bi-arrow-right,
.bi-send-fill,
.bi-check-circle-fill,
.bi-geo-alt-fill,
.bi-telephone-fill,
.bi-envelope-fill,
.bi-clock,
.bi-stopwatch,
.bi-person,
.bi-calendar-check {
  color: var(--primary-color) !important;
}

/* Social Icons */
.bi-facebook,
.bi-instagram,
.bi-youtube,
.bi-twitter,
.bi-tiktok {
  font-size: 1.5rem;
  color: var(--white) !important;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background-color: var(--dark-gray);
  border-radius: 50%;
}

.bi-facebook:hover {
  background-color: #1877F2;
  transform: translateY(-5px);
}

.bi-instagram:hover {
  background-color: #E4405F;
  transform: translateY(-5px);
}

.bi-youtube:hover {
  background-color: #FF0000;
  transform: translateY(-5px);
}

.bi-twitter:hover {
  background-color: #1DA1F2;
  transform: translateY(-5px);
}

.bi-tiktok:hover {
  background-color: #000000;
  transform: translateY(-5px);
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: var(--light-gray) !important;
  padding: 3rem 0 1rem;
}

footer h5 {
  color: var(--white) !important;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

footer a {
  color: var(--light-gray) !important;
  text-decoration: none;
  transition: var(--transition);
}

footer a:hover {
  color: var(--primary-color) !important;
  padding-left: 5px;
}

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

.border-top {
  border-color: var(--dark-gray) !important;
}

/* Sidebar Navigation */
.position-fixed.d-lg-block {
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
}

.nav.bg-dark {
  background-color: rgba(33, 33, 33, 0.95) !important;
  padding: 1rem;
}

.nav.bg-dark a {
  color: var(--light-gray) !important;
  padding: 0.5rem 1rem;
  transition: var(--transition);
  display: block;
}

.nav.bg-dark a:hover {
  color: var(--primary-color) !important;
  background-color: rgba(211, 47, 47, 0.1);
}

/* Sticky Bottom */
.sticky-bottom {
  background-color: var(--secondary-color);
  color: var(--white) !important;
  padding: 1rem;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
}

.sticky-bottom a {
  color: var(--white) !important;
}

.sticky-bottom .bi-headset,
.sticky-bottom .bi-chat-dots-fill {
  color: var(--primary-color) !important;
  font-size: 1.5rem;
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@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);
  }
}

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

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

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

/* Utility Classes */
.text-primary {
  color: var(--primary-color) !important;
}

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

.bg-primary {
  background-color: var(--primary-color) !important;
}

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

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

.shadow-sm {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
}

.shadow-lg {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15) !important;
}

/* Responsive Design */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: var(--secondary-color);
    padding: 1rem;
    margin-top: 1rem;
    border-top: 2px solid var(--primary-color);
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .hero-section .display-1 {
    font-size: 3rem;
  }
  
  .display-3 {
    font-size: 2.5rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .position-fixed.d-lg-block {
    display: none !important;
  }
  
  .border-end {
    border-right: none !important;
    border-bottom: 1px solid var(--dark-gray) !important;
  }
}

@media (max-width: 767px) {
  .hero-section .display-1 {
    font-size: 2.5rem;
  }
  
  .hero-section .lead {
    font-size: 1.2rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .classes-grid {
    grid-template-columns: 1fr;
  }
  
  .transformation-grid {
    grid-template-columns: 1fr;
  }
  
  .badges-grid {
    grid-template-columns: 1fr;
  }
  
  .mission-box {
    padding: 1.5rem;
  }
}

@media (max-width: 575px) {
  .navbar-brand {
    font-size: 1.4rem;
  }
  
  .hero-section {
    padding-top: 60px;
  }
  
  .bi-lightning-charge-fill,
  .bi-people-fill,
  .bi-trophy-fill {
    font-size: 2rem;
  }
  
  .display-1 {
    font-size: 2rem !important;
  }
  
  .display-3 {
    font-size: 1.8rem !important;
  }
  
  .display-4 {
    font-size: 1.5rem !important;
  }
  
  .display-5 {
    font-size: 1.3rem !important;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .sticky-bottom,
  .position-fixed {
    display: none !important;
  }
  
  body {
    color: #000 !important;
  }
  
  a {
    text-decoration: underline !important;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Styles */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--light-gray);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s linear infinite;
}

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