/* Deep Blue Flame Architecture Studio - Custom CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #1a365d;
  --secondary-color: #ff6b35;
  --primary-dark: #0f2536;
  --primary-light: #2d5a8a;
  --secondary-dark: #e55a2b;
  --secondary-light: #ff8659;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --text-dark: #2d3748;
  --text-light: #718096;
  --shadow-sm: 0 0.125rem 0.25rem rgba(26, 54, 93, 0.075);
  --shadow-md: 0 0.5rem 1rem rgba(26, 54, 93, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(26, 54, 93, 0.175);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 0.5rem;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: 1.1rem;
}

a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--secondary-dark);
  text-decoration: none;
}

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.75rem 2rem;
  border: 2px solid transparent;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

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

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--white);
}

/* Card Styles */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  background-color: var(--primary-color);
  color: var(--white);
  border-bottom: none;
  font-weight: 600;
}

/* Navigation */
.navbar {
  padding: 1rem 0;
  transition: var(--transition-base);
  background-color: rgba(26, 54, 93, 0.95);
  backdrop-filter: blur(10px);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.navbar-brand:hover {
  color: var(--secondary-color);
}

.navbar-nav .nav-link {
  color: var(--white);
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--secondary-color);
  background-color: rgba(255, 107, 53, 0.1);
}

.navbar-nav .nav-link.active {
  color: var(--secondary-color);
  background-color: rgba(255, 107, 53, 0.2);
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.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%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ff6b35" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat center bottom;
  background-size: cover;
}

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

.hero h1 {
  color: var(--white);
  font-weight: 900;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.4s both;
}

/* Floating Elements */
.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-element {
  position: absolute;
  background: var(--secondary-color);
  border-radius: 50%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  width: 120px;
  height: 120px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.floating-element:nth-child(3) {
  width: 60px;
  height: 60px;
  top: 30%;
  right: 30%;
  animation-delay: 4s;
}

/* Sections */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--light-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--secondary-light));
  border-radius: 2px;
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.9), rgba(255, 107, 53, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
}

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

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

.portfolio-content {
  text-align: center;
  color: var(--white);
  padding: 2rem;
}

.portfolio-content h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

/* Services */
.service-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  height: 100%;
  background: var(--white);
  border: 1px solid rgba(26, 54, 93, 0.1);
}

.service-card:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover h4,
.service-card:hover p {
  color: var(--white);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--white);
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--white);
  color: var(--primary-color);
  transform: scale(1.1);
}

/* Contact Form */
.form-control {
  border: 2px solid rgba(26, 54, 93, 0.1);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

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

/* Footer */
footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: var(--white);
  padding: 3rem 0 1rem;
}

footer h5 {
  color: var(--white);
  margin-bottom: 1rem;
}

footer p,
footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-base);
}

footer a:hover {
  color: var(--secondary-color);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  margin-right: 0.5rem;
  transition: var(--transition-base);
}

.social-links a:hover {
  background: var(--secondary-color);
  color: var(--white);
  transform: translateY(-3px);
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

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

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

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

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  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); }
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--primary-dark);
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
  }
  
  .hero {
    text-align: center;
    padding: 2rem 0;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .portfolio-item {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 767.98px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .service-card {
    margin-bottom: 2rem;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

@media (max-width: 575.98px) {
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .floating-element {
    display: none;
  }
  
  .portfolio-content {
    padding: 1rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .floating-elements,
  .btn,
  footer {
    display: none;
  }
  
  body {
    color: black;
    background: white;
  }
  
  .hero {
    background: white;
    color: black;
    min-height: auto;
  }
}