/* Flame & Steel Architecture Studio - Custom CSS */

/* CSS Variables */
:root {
  --primary-color: #FF6B35;
  --secondary-color: #2C3E50;
  --primary-dark: #E55A2B;
  --secondary-light: #34495E;
  --accent-color: #F39C12;
  --light-gray: #F8F9FA;
  --dark-gray: #6C757D;
  --white: #FFFFFF;
  --black: #1A1A1A;
  --shadow-light: 0 2px 10px rgba(44, 62, 80, 0.1);
  --shadow-medium: 0 4px 20px rgba(44, 62, 80, 0.15);
  --shadow-heavy: 0 8px 30px rgba(44, 62, 80, 0.25);
  --gradient-flame: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  --gradient-steel: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', serif;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--secondary-color);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: 50px;
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

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

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

.btn-outline-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: var(--secondary-light);
  border-color: var(--secondary-light);
  color: var(--white);
  transform: translateY(-2px);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
  transition: var(--transition-base);
  padding: 1rem 0;
}

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

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-decoration: none;
  position: relative;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--gradient-flame);
  border-radius: 2px;
}

.navbar-nav .nav-link {
  color: var(--secondary-color);
  font-weight: 500;
  margin: 0 10px;
  padding: 8px 16px;
  border-radius: 25px;
  transition: var(--transition-base);
  position: relative;
}

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

.navbar-nav .nav-link.active {
  color: var(--white);
  background: var(--gradient-flame);
}

/* Mobile Menu Toggle */
.navbar-toggler {
  border: none;
  padding: 4px 8px;
}

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

.navbar-toggler-icon {
  width: 25px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
  position: relative;
  transition: var(--transition-base);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  width: 25px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: var(--transition-base);
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  top: 8px;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
  background: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
  background: var(--primary-color);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  top: 0;
  background: var(--primary-color);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 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 0 100 100"><defs><pattern id="flame" patternUnits="userSpaceOnUse" width="20" height="20"><circle cx="10" cy="10" r="1" fill="%23FF6B35" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23flame)"/></svg>') repeat;
}

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

.hero h1 {
  color: var(--white);
  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;
  margin: 0 10px 10px 0;
}

/* Floating Elements Animation */
.floating-element {
  position: absolute;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

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

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

.floating-element:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

/* Sections */
.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-flame);
  border-radius: 2px;
}

/* Cards */
.card {
  border: none;
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  transition: var(--transition-base);
  overflow: hidden;
  height: 100%;
}

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

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

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

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--secondary-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--dark-gray);
  line-height: 1.6;
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-light);
  transition: var(--transition-base);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

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

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.9) 0%, rgba(44, 62, 80, 0.9) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
  text-align: center;
  padding: 2rem;
}

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

/* Forms */
.form-control {
  border: 2px solid #E9ECEF;
  border-radius: 10px;
  padding: 15px 20px;
  font-size: 1rem;
  transition: var(--transition-base);
  background: var(--white);
}

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

.form-label {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group {
  margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-info {
  background: var(--light-gray);
  border-radius: 15px;
  padding: 2rem;
  height: 100%;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-flame);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-right: 1rem;
  flex-shrink: 0;
}

/* Footer */
.footer {
  background: var(--secondary-color);
  color: var(--white);
  padding: 3rem 0 1rem;
}

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

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-base);
}

.footer a:hover {
  color: var(--primary-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: 10px;
  transition: var(--transition-base);
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

/* 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);
  }
}

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

/* Scroll Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-slow);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-slow);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Loading Animation */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .hero {
    min-height: 80vh;
    text-align: center;
  }
  
  .navbar-nav {
    text-align: center;
    padding: 1rem 0;
  }
  
  .navbar-nav .nav-link {
    margin: 5px 0;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .contact-item {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-icon {
    margin-right: 0;
    margin-bottom: 10px;
  }
  
  .btn {
    display: block;
    width: 100%;
    margin: 10px 0;
  }
}

@media (max-width: 576px) {
  .section {
    padding: 40px 0;
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .portfolio-item img {
    height: 200px;
  }
  
  .contact-info {
    margin-top: 2rem;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero::before {
    background-size: 20px 20px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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