/* Ember & Steel Architecture Studio - Custom Styles */

/* ===========================
   CSS VARIABLES & ROOT
   =========================== */
:root {
  --primary-color: #D2691E;
  --primary-dark: #B8541A;
  --primary-light: #E88E4A;
  --secondary-color: #2F4F4F;
  --secondary-dark: #1F3535;
  --secondary-light: #3D6565;
  --accent-ember: #FF6B35;
  --accent-steel: #708090;
  --text-dark: #1A1A1A;
  --text-light: #FFFFFF;
  --text-muted: #6C757D;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-ember: 0 4px 20px rgba(210, 105, 30, 0.3);
  --shadow-steel: 0 4px 20px rgba(47, 79, 79, 0.3);
}

/* ===========================
   RESET & BASE 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: 1.7;
  overflow-x: hidden;
  background-color: var(--bg-white);
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Arial', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  color: var(--secondary-color);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

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;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--primary-dark);
}

/* ===========================
   BOOTSTRAP 5 OVERRIDES
   =========================== */
.btn {
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 0.25rem;
  border: none;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  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-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: var(--shadow-ember);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(210, 105, 30, 0.4);
}

.btn-primary:focus,
.btn-primary:active {
  background-color: var(--primary-dark);
  color: var(--text-light);
  box-shadow: 0 0 0 0.25rem rgba(210, 105, 30, 0.25);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-light);
  box-shadow: var(--shadow-steel);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(47, 79, 79, 0.4);
}

.btn-secondary:focus,
.btn-secondary:active {
  background-color: var(--secondary-dark);
  color: var(--text-light);
  box-shadow: 0 0 0 0.25rem rgba(47, 79, 79, 0.25);
}

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

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

.btn-outline-primary:focus,
.btn-outline-primary:active {
  background-color: var(--primary-dark);
  color: var(--text-light);
  border-color: var(--primary-dark);
}

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

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

.btn-outline-secondary:focus,
.btn-outline-secondary:active {
  background-color: var(--secondary-dark);
  color: var(--text-light);
  border-color: var(--secondary-dark);
}

/* Card Overrides */
.card {
  border: none;
  border-radius: 0.5rem;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-title {
  color: var(--secondary-color);
  font-weight: 700;
}

/* Form Overrides */
.form-control,
.form-select {
  padding: 0.875rem 1rem;
  border: 2px solid #E0E0E0;
  border-radius: 0.25rem;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(210, 105, 30, 0.15);
  outline: none;
}

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

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
  padding: 1rem 0;
  transition: var(--transition-smooth);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--secondary-color);
  letter-spacing: -0.02em;
  transition: var(--transition-smooth);
}

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

.navbar-brand span {
  color: var(--primary-color);
}

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

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

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

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

.navbar-toggler {
  border: 2px solid var(--primary-color);
  padding: 0.5rem 0.75rem;
  transition: var(--transition-smooth);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(210, 105, 30, 0.25);
}

.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='%23D2691E' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Mobile Menu */
.navbar-collapse {
  transition: var(--transition-smooth);
}

@media (max-width: 991px) {
  .navbar-nav {
    padding: 1rem 0;
    background-color: var(--bg-light);
    border-radius: 0.5rem;
    margin-top: 1rem;
  }
  
  .nav-link {
    padding: 0.75rem 1.5rem;
  }
  
  .nav-link::after {
    display: none;
  }
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, rgba(210, 105, 30, 0.1) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(210, 105, 30, 0.1) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(210, 105, 30, 0.1) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(210, 105, 30, 0.1) 75%);
  background-size: 60px 60px;
  background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
  opacity: 0.3;
  animation: heroPattern 20s linear infinite;
}

@keyframes heroPattern {
  0% {
    background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
  }
  100% {
    background-position: 60px 60px, 60px 90px, 90px 30px, 30px 60px;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--text-light);
}

.hero h1 {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

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

/* ===========================
   SECTIONS
   =========================== */
section {
  padding: 5rem 0;
  position: relative;
}

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

.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-ember));
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Alternate Section Backgrounds */
section:nth-child(even) {
  background-color: var(--bg-light);
}

/* ===========================
   PROJECT CARDS
   =========================== */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  cursor: pointer;
  height: 400px;
  box-shadow: var(--shadow-md);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(47, 79, 79, 0.95) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

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

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

.project-overlay h3 {
  color: var(--text-light);
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.project-overlay p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
  transform: translateY(20px);
  transition: var(--transition-smooth) 0.1s;
}

.project-overlay .btn {
  transform: translateY(20px);
  transition: var(--transition-smooth) 0.2s;
  align-self: flex-start;
}

.project-card:hover .project-overlay h3,
.project-card:hover .project-overlay p,
.project-card:hover .project-overlay .btn {
  transform: translateY(0);
}

/* ===========================
   SERVICES
   =========================== */
.service-item {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: 0.5rem;
  transition: var(--transition-smooth);
  background-color: var(--bg-white);
  height: 100%;
  box-shadow: var(--shadow-sm);
}

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

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

.service-item:hover .service-icon {
  transform: rotateY(360deg);
  box-shadow: 0 8px 24px rgba(210, 105, 30, 0.4);
}

.service-item h3 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.service-item p {
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ===========================
   STATISTICS / COUNTERS
   =========================== */
.stats-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  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='%23D2691E' fill-opacity='0.1'%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: 0.3;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonial-card {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  position: relative;
  height: 100%;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 6rem;
  color: var(--primary-color);
  opacity: 0.1;
  font-family: Georgia, serif;
  line-height: 1;
}

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

.testimonial-text {
  font-style: italic;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

.testimonial-info h4 {
  margin-bottom: 0.25rem;
  color: var(--secondary-color);
  font-size: 1.125rem;
}

.testimonial-info p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===========================
   CONTACT FORM
   =========================== */
.contact-section {
  background: linear-gradient(135deg, rgba(47, 79, 79, 0.05) 0%, rgba(210, 105, 30, 0.05) 100%);
}

.contact-form {
  background-color: var(--bg-white);
  padding: 3rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-info {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  padding: 3rem;
  border-radius: 0.5rem;
  color: var(--text-light);
  height: 100%;
}

.contact-info h3 {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-ember);
}

.contact-details h4 {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-details p,
.contact-details a {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  font-size: 0.95rem;
}

.contact-details a:hover {
  color: var(--primary-light);
}

.form-error {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-error.active {
  display: block;
}

.form-success {
  background-color: #d4edda;
  color: #155724;
  padding: 1rem;
  border-radius: 0.25rem;
  margin-bottom: 1rem;
  border: 1px solid #c3e6cb;
  display: none;
}

.form-success.active {
  display: block;
}

/* ===========================
   FOOTER
   =========================== */
footer {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, #0F1F1F 100%);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
}

.footer-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 1rem;
  display: block;
}

.footer-brand span {
  color: var(--primary-color);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer h5 {
  color: var(--text-light);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary-color);
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-smooth);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: var(--transition-smooth);
  font-size: 1.25rem;
}

.social-link:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-ember);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ===========================
   SCROLL TO TOP BUTTON
   =========================== */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  z-index: 1000;
  box-shadow: var(--shadow-ember);
  border: none;
}

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

.scroll-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(210, 105, 30, 0.4);
}

/* ===========================
   LOADING ANIMATIONS
   =========================== */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@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);
  }
}

/* ===========================
   UTILITY CLASSES
   =========================== */
.text-primary {
  color: var(--primary-color);
}

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

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

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

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

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

/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 1199px) {
  section {
    padding: 4rem 0;
  }
}

@media (max-width: 991px) {
  section {
    padding: 3rem 0;
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .project-card {
    height: 350px;
  }
  
  .contact-form,
  .contact-info {
    padding: 2rem;
  }
}

@media (max-width: 767px) {
  section {
    padding: 2.5rem 0;
  }
  
  .hero {
    min-height: 60vh;
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .project-card {
    height: 300px;
  }
  
  .service-item {
    padding: 2rem 1rem;
  }
  
  .stat-item {
    padding: 1.5rem 1rem;
  }
  
  .testimonial-card {
    padding: 2rem;
  }
  
  .contact-form,
  .contact-info {
    padding: 1.5rem;
  }
  
  .scroll-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 575px) {
  .hero {
    min-height: 50vh;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .btn-group .btn {
    display: block;
    width: 100%;
    margin-bottom: 0.75rem;
  }
  
  .project-card {
    height: 250px;
  }
  
  footer {
    padding: 3rem 0 1.5rem;
  }
}

/* ===========================
   PRINT STYLES
   =========================== */
@media print {
  .navbar,
  .scroll-to-top,
  .btn,
  footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
    color: #000;
  }
  
  a {
    text-decoration: underline;
  }
}