/* Arctic Frost Architecture Studio - CSS */

/* ===== CSS Variables ===== */
:root {
  --primary-color: #2E3440;
  --secondary-color: #88C0D0;
  --accent-color: #5E81AC;
  --light-color: #ECEFF4;
  --dark-color: #2E3440;
  --frost-white: #D8DEE9;
  --ice-blue: #81A1C1;
  --snow-white: #FFFFFF;
  --transition-speed: 0.3s;
  --shadow: 0 10px 40px rgba(46, 52, 64, 0.15);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--primary-color) !important;
  letter-spacing: -0.5px;
}

.display-2, .display-3, .display-4, .display-5, .display-6 {
  font-weight: 700 !important;
  color: var(--primary-color) !important;
}

p {
  color: var(--dark-color);
  line-height: 1.8;
}

/* ===== Navbar Styles ===== */
.navbar {
  background: linear-gradient(135deg, rgba(46, 52, 64, 0.95) 0%, rgba(46, 52, 64, 0.98) 100%) !important;
  backdrop-filter: blur(10px);
  transition: all var(--transition-speed) ease;
  padding: 1rem 0;
  z-index: 1000;
  border-bottom: 2px solid var(--secondary-color);
}

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

.navbar-brand {
  color: var(--snow-white) !important;
  font-size: 1.5rem;
  font-weight: 700 !important;
  letter-spacing: 1px;
  transition: all var(--transition-speed) ease;
  text-transform: uppercase;
}

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(136, 192, 208, 0.3) !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='%2388C0D0' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.nav-link {
  color: var(--frost-white) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: all var(--transition-speed) ease;
  position: relative;
  text-decoration: none !important;
}

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

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

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

.nav-link.active {
  color: var(--secondary-color) !important;
}

/* ===== Button Styles ===== */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-speed) ease;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  text-decoration: none !important;
}

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

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

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

.btn-primary {
  background-color: var(--secondary-color) !important;
  border: 2px solid var(--secondary-color) !important;
  color: var(--primary-color) !important;
  font-weight: 700 !important;
}

.btn-primary:hover {
  background-color: var(--ice-blue) !important;
  border-color: var(--ice-blue) !important;
  color: var(--snow-white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(136, 192, 208, 0.4) !important;
}

.btn-outline-light {
  border: 2px solid var(--snow-white) !important;
  color: var(--snow-white) !important;
  background-color: transparent !important;
  font-weight: 700 !important;
}

.btn-outline-light:hover {
  background-color: var(--snow-white) !important;
  color: var(--primary-color) !important;
  border-color: var(--snow-white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3) !important;
}

.btn-outline-primary {
  border: 2px solid var(--secondary-color) !important;
  color: var(--secondary-color) !important;
  background-color: transparent !important;
  font-weight: 700 !important;
}

.btn-outline-primary:hover {
  background-color: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(136, 192, 208, 0.4) !important;
}

/* ===== Hero Section ===== */
.position-relative.h-100 {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, #3B4252 50%, var(--accent-color) 100%);
  position: relative;
  overflow: hidden;
}

.position-relative.h-100::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(136, 192, 208, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: moveGrid 20s linear infinite;
  opacity: 0.3;
}

@keyframes moveGrid {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.position-relative.h-100::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to top, var(--light-color), transparent);
}

.translate-middle {
  z-index: 2;
}

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

.display-2.text-white {
  color: var(--snow-white) !important;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.lead {
  color: var(--frost-white) !important;
  font-size: 1.3rem;
  animation: fadeInUp 1.2s ease-out;
}

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

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

.container {
  max-width: 1200px;
}

/* ===== Card Styles ===== */
.card {
  border: none !important;
  border-radius: 12px !important;
  overflow: hidden;
  transition: all var(--transition-speed) ease;
  background-color: var(--snow-white) !important;
  box-shadow: var(--shadow) !important;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(46, 52, 64, 0.25) !important;
}

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

.p-4 {
  background-color: var(--snow-white);
  border-radius: 12px;
  transition: all var(--transition-speed) ease;
  box-shadow: var(--shadow);
}

.p-4:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(46, 52, 64, 0.2);
}

/* ===== Image Styles ===== */
.img-fluid {
  border-radius: 12px;
  transition: all var(--transition-speed) ease;
}

.img-fluid:hover {
  transform: scale(1.02);
}

.rounded {
  border-radius: 12px !important;
}

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

.shadow-lg {
  box-shadow: 0 20px 60px rgba(46, 52, 64, 0.2) !important;
}

/* ===== Background Colors ===== */
.bg-primary {
  background-color: var(--primary-color) !important;
}

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

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

/* ===== Text Colors ===== */
.text-primary {
  color: var(--primary-color) !important;
}

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

/* ===== Badge Styles ===== */
.badge {
  background-color: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1rem !important;
  border-radius: 6px;
  font-size: 0.875rem;
}

/* ===== Form Styles ===== */
.form-control,
.form-select {
  border: 2px solid var(--frost-white) !important;
  border-radius: 8px !important;
  padding: 0.75rem 1rem !important;
  transition: all var(--transition-speed) ease;
  background-color: var(--snow-white) !important;
  color: var(--dark-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(136, 192, 208, 0.25) !important;
  background-color: var(--snow-white) !important;
}

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

.form-check-input {
  border: 2px solid var(--frost-white) !important;
  width: 1.25rem;
  height: 1.25rem;
}

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

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(136, 192, 208, 0.25) !important;
}

.form-check-label {
  color: var(--dark-color) !important;
  margin-left: 0.5rem;
}

/* ===== Portfolio Styles ===== */
.filter-btn {
  background-color: transparent !important;
  border: 2px solid var(--secondary-color) !important;
  color: var(--secondary-color) !important;
  padding: 0.5rem 1.5rem !important;
  margin: 0.5rem;
  transition: all var(--transition-speed) ease;
  font-weight: 600 !important;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(136, 192, 208, 0.4) !important;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all var(--transition-speed) ease;
  background-color: var(--snow-white);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(46, 52, 64, 0.25);
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: all var(--transition-speed) ease;
}

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

.portfolio-item .p-4 {
  position: relative;
  z-index: 1;
  background-color: var(--snow-white);
}

.view-project {
  color: var(--secondary-color) !important;
  text-decoration: none !important;
  font-weight: 600;
  transition: all var(--transition-speed) ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.view-project:hover {
  color: var(--ice-blue) !important;
  transform: translateX(5px);
}

/* ===== Modal Styles ===== */
.modal-content {
  background-color: var(--snow-white) !important;
  border-radius: 12px !important;
  border: none !important;
  overflow: hidden;
}

.modal-header {
  background-color: var(--primary-color) !important;
  border-bottom: none !important;
  padding: 1.5rem 2rem !important;
}

.modal-header h5,
.modal-header .h5 {
  color: var(--snow-white) !important;
}

.btn-close,
.btn-close-white {
  filter: brightness(0) invert(1);
  opacity: 1 !important;
}

.btn-close:hover,
.btn-close-white:hover {
  opacity: 0.8 !important;
}

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

/* ===== Icons Styles ===== */
.bi {
  color: var(--secondary-color) !important;
  font-size: 1.5rem;
}

.fs-1 .bi {
  font-size: 3rem !important;
}

/* ===== Footer Styles ===== */
footer {
  background-color: var(--primary-color) !important;
  color: var(--frost-white) !important;
  padding: 3rem 0 1rem;
}

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

footer p,
footer a {
  color: var(--frost-white) !important;
}

footer a {
  text-decoration: none !important;
  transition: all var(--transition-speed) ease;
}

footer a:hover {
  color: var(--secondary-color) !important;
  transform: translateX(5px);
  display: inline-block;
}

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

.text-decoration-none {
  text-decoration: none !important;
}

/* ===== Utility Classes ===== */
.gap-2 {
  gap: 0.5rem !important;
}

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

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

.overflow-hidden {
  overflow: hidden !important;
}

/* ===== Animation Classes ===== */
.fade-in {
  animation: fadeIn 1s ease-in;
}

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

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

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

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

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

/* ===== Responsive Styles ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: rgba(46, 52, 64, 0.98);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    border: 2px solid var(--secondary-color);
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem !important;
  }
}

@media (max-width: 767.98px) {
  .position-relative.h-100 {
    min-height: 100vh;
    padding: 2rem 1rem;
  }
  
  .display-2 {
    font-size: 2rem !important;
  }
  
  .lead {
    font-size: 1.1rem !important;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 1rem !important;
  }
  
  .me-3 {
    margin-right: 0 !important;
  }
  
  .mb-3 {
    margin-bottom: 1rem !important;
  }
}

@media (max-width: 575.98px) {
  .container-fluid {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .px-3 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .display-2 {
    font-size: 1.75rem !important;
  }
  
  .portfolio-item img {
    height: 250px;
  }
}

/* ===== Smooth Scrolling ===== */
html {
  scroll-behavior: smooth;
}

/* ===== Selection Styles ===== */
::selection {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

::-moz-selection {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

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

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

::-webkit-scrollbar-thumb {
  background-color: var(--secondary-color);
  border-radius: 6px;
  border: 2px solid var(--light-color);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--ice-blue);
}

/* ===== Loading Animation ===== */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}

.loading.hide {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--frost-white);
  border-top: 4px solid var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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