/* Architectural Studio - Midnight Slate & Warm Copper Theme */

:root {
  --primary-color: #2C3E50;
  --secondary-color: #E67E22;
  --dark-slate: #1a252f;
  --light-slate: #3d5a6f;
  --warm-copper: #E67E22;
  --copper-light: #f39c12;
  --copper-dark: #d35400;
  --white: #ffffff;
  --light-gray: #ecf0f1;
  --dark-gray: #7f8c8d;
  --shadow: rgba(44, 62, 80, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--primary-color);
  line-height: 1.7;
  overflow-x: hidden;
  background-color: #fafafa;
}

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

.display-3, .display-4, .display-5, .display-6 {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--dark-gray);
}

/* Navbar */
.navbar {
  background-color: var(--primary-color) !important;
  padding: 1rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

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

.navbar-brand {
  color: var(--white) !important;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition: var(--transition);
}

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(230, 126, 34, 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='%23E67E22' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: var(--transition);
}

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

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

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

.sticky-top {
  position: sticky;
  top: 0;
  z-index: 1020;
}

.position-sticky {
  position: sticky;
  top: 80px;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-slate) 100%);
  min-height: 100vh;
  padding: 120px 0 80px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(90deg, rgba(230, 126, 34, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(230, 126, 34, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

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

.blueprint-overlay {
  opacity: 0.05;
  pointer-events: none;
  background-image: 
    repeating-linear-gradient(0deg, transparent, transparent 49px, var(--secondary-color) 49px, var(--secondary-color) 50px),
    repeating-linear-gradient(90deg, transparent, transparent 49px, var(--secondary-color) 49px, var(--secondary-color) 50px);
  z-index: 1;
}

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

.hero-section h1 {
  color: var(--white) !important;
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 1.3rem;
  max-width: 600px;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

/* Buttons */
.btn {
  border-radius: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  z-index: -1;
}

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

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

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

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--copper-dark) !important;
  border-color: var(--copper-dark) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(230, 126, 34, 0.3) !important;
}

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

.btn-outline-light:hover,
.btn-outline-light:focus,
.btn-outline-light:active {
  background-color: var(--white) !important;
  border-color: var(--white) !important;
  color: var(--primary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3) !important;
}

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

.btn-light:hover,
.btn-light:focus,
.btn-light:active {
  background-color: var(--light-gray) !important;
  border-color: var(--light-gray) !important;
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

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

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background-color: var(--dark-slate) !important;
  border-color: var(--dark-slate) !important;
  color: var(--white) !important;
}

/* Cards */
.card {
  border: none;
  border-radius: 12px;
  transition: var(--transition);
  overflow: hidden;
  background-color: var(--white);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--shadow) !important;
}

.card-body {
  padding: 2rem;
}

.shadow-sm {
  box-shadow: 0 4px 12px var(--shadow) !important;
}

.shadow-lg {
  box-shadow: 0 15px 35px var(--shadow) !important;
}

/* Images */
.img-fluid {
  border-radius: 12px;
  transition: var(--transition);
}

.overflow-hidden {
  border-radius: 12px;
}

.object-fit-cover {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

img {
  max-width: 100%;
  height: auto;
}

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

.py-5 {
  padding: 3rem 0 !important;
}

.py-6 {
  padding: 5rem 0 !important;
}

.p-4 {
  padding: 1.5rem !important;
}

.p-5 {
  padding: 3rem !important;
}

/* Background Colors */
.bg-light {
  background-color: #f8f9fa !important;
}

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

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

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

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

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

.bi-people-fill,
.bi-tree-fill,
.bi-lightbulb-fill,
.bi-chat-dots-fill,
.bi-briefcase-fill,
.bi-info-circle,
.bi-arrow-right,
.bi-geo-alt-fill,
.bi-telephone-fill,
.bi-envelope-fill,
.bi-train-front,
.bi-p-square,
.bi-bicycle,
.bi-geo-alt,
.bi-telephone,
.bi-envelope,
.bi-facebook,
.bi-instagram,
.bi-linkedin,
.bi-twitter,
.bi-house-door,
.bi-building,
.bi-grid-3x3,
.bi-tree,
.bi-clock-history,
.bi-map {
  width: 1em;
  height: 1em;
  fill: currentColor;
}

.fs-3 {
  font-size: 2rem !important;
}

.fs-4 {
  font-size: 1.5rem !important;
}

.fs-5 {
  font-size: 1.25rem !important;
}

/* Stats Section */
.text-center .display-4 {
  color: var(--secondary-color) !important;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.text-center .h4 {
  color: var(--primary-color) !important;
  font-weight: 600;
}

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

.portfolio-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.portfolio-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(44, 62, 80, 0.9), transparent);
  opacity: 0;
  transition: var(--transition);
  z-index: 1;
}

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

.portfolio-item:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 35px var(--shadow);
}

.portfolio-item img {
  transition: var(--transition);
}

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

/* Filter Buttons */
.filter-btn {
  background-color: transparent !important;
  border: 2px solid var(--primary-color) !important;
  color: var(--primary-color) !important;
  padding: 0.5rem 1.5rem;
  margin: 0.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
}

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

/* Forms */
.form-control,
.form-select {
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--white) !important;
  color: var(--primary-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(230, 126, 34, 0.15) !important;
  background-color: var(--white) !important;
  color: var(--primary-color) !important;
}

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

.fw-semibold {
  font-weight: 600 !important;
}

.form-check-input {
  border: 2px solid #e0e0e0;
  transition: var(--transition);
}

.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(230, 126, 34, 0.15) !important;
}

.form-check-label {
  color: var(--primary-color) !important;
}

/* Badge */
.badge {
  font-weight: 600;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.rounded-pill {
  border-radius: 50rem !important;
}

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

/* Alert */
.alert {
  border: none;
  border-radius: 8px;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--secondary-color);
}

/* Accordion */
.accordion {
  border-radius: 12px;
  overflow: hidden;
}

.accordion-item {
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  background-color: transparent;
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  margin-bottom: 0;
}

.accordion-button {
  background-color: transparent !important;
  color: var(--primary-color) !important;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1.25rem 1.5rem;
  border: none;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background-color: rgba(230, 126, 34, 0.05) !important;
  color: var(--secondary-color) !important;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232C3E50'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E67E22'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
  padding: 1.5rem;
  color: var(--dark-gray);
  background-color: rgba(248, 249, 250, 0.5);
}

.accordion-collapse {
  border: none;
}

/* Modal */
.modal {
  z-index: 1055;
}

.modal-backdrop {
  background-color: rgba(44, 62, 80, 0.8);
}

.modal-content {
  border: none;
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--white);
}

.modal-header {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-slate));
  border-bottom: none;
  padding: 1.5rem 2rem;
}

.modal-title {
  color: var(--white) !important;
  font-weight: 700;
}

.modal-body {
  padding: 2rem;
  background-color: var(--white);
  color: var(--primary-color) !important;
}

.modal-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.5rem 2rem;
  background-color: #f8f9fa;
}

.btn-close,
.btn-close-white {
  opacity: 1;
  transition: var(--transition);
}

.btn-close:hover,
.btn-close-white:hover {
  opacity: 0.7;
  transform: rotate(90deg);
}

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

/* List */
.list-unstyled {
  padding-left: 0;
  list-style: none;
}

.list-unstyled li {
  padding: 0.5rem 0;
}

/* Links */
a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: var(--transition);
}

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

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

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

/* Footer */
footer {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-slate));
  color: var(--white);
  padding: 4rem 0 2rem;
}

footer h4,
footer h5 {
  color: var(--white) !important;
  margin-bottom: 1.5rem;
}

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

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

footer .border-bottom {
  border-color: rgba(255, 255, 255, 0.1) !important;
}

/* Utilities */
.rounded {
  border-radius: 8px !important;
}

.opacity-25 {
  opacity: 0.25 !important;
}

.d-block {
  display: block !important;
}

.d-inline-block {
  display: inline-block !important;
}

.d-flex {
  display: flex !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-wrap {
  flex-wrap: wrap !important;
}

.flex-grow-1 {
  flex-grow: 1 !important;
}

.flex-shrink-0 {
  flex-shrink: 0 !important;
}

.align-items-center {
  align-items: center !important;
}

.align-items-start {
  align-items: flex-start !important;
}

.align-items-stretch {
  align-items: stretch !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.justify-content-center {
  justify-content: center !important;
}

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

.g-3 {
  --bs-gutter-x: 1rem;
  --bs-gutter-y: 1rem;
}

.g-4 {
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 1.5rem;
}

.g-5 {
  --bs-gutter-x: 3rem;
  --bs-gutter-y: 3rem;
}

.g-0 {
  --bs-gutter-x: 0;
  --bs-gutter-y: 0;
}

.m-3 {
  margin: 1rem !important;
}

.m-4 {
  margin: 1.5rem !important;
}

.mt-3 {
  margin-top: 1rem !important;
}

.mt-4 {
  margin-top: 1.5rem !important;
}

.mt-5 {
  margin-top: 3rem !important;
}

.mt-auto {
  margin-top: auto !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-1 {
  margin-bottom: 0.25rem !important;
}

.mb-2 {
  margin-bottom: 0.5rem !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.mb-5 {
  margin-bottom: 3rem !important;
}

.mb-lg-0 {
  margin-bottom: 0 !important;
}

.ms-2 {
  margin-left: 0.5rem !important;
}

.ms-4 {
  margin-left: 1.5rem !important;
}

.ms-5 {
  margin-left: 3rem !important;
}

.ms-auto {
  margin-left: auto !important;
}

.me-2 {
  margin-right: 0.5rem !important;
}

.me-3 {
  margin-right: 1rem !important;
}

.me-5 {
  margin-right: 3rem !important;
}

.mx-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}

.my-4 {
  margin-top: 1.5rem !important;
  margin-bottom: 1.5rem !important;
}

.my-5 {
  margin-top: 3rem !important;
  margin-bottom: 3rem !important;
}

.p-0 {
  padding: 0 !important;
}

.p-3 {
  padding: 1rem !important;
}

.py-0 {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.py-1 {
  padding-top: 0.25rem !important;
  padding-bottom: 0.25rem !important;
}

.py-3 {
  padding-top: 1rem !important;
  padding-bottom: 1rem !important;
}

.pt-4 {
  padding-top: 1.5rem !important;
}

.pt-lg-0 {
  padding-top: 0 !important;
}

.pb-4 {
  padding-bottom: 1.5rem !important;
}

.px-3 {
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.px-4 {
  padding-left: 1.5rem !important;
  padding-right: 1.5rem !important;
}

.px-5 {
  padding-left: 3rem !important;
  padding-right: 3rem !important;
}

.px-lg-5 {
  padding-left: 3rem !important;
  padding-right: 3rem !important;
}

.ps-4 {
  padding-left: 1.5rem !important;
}

.ps-5 {
  padding-left: 3rem !important;
}

.ps-lg-5 {
  padding-left: 3rem !important;
}

.pe-lg-4 {
  padding-right: 1.5rem !important;
}

.pe-lg-5 {
  padding-right: 3rem !important;
}

.w-100 {
  width: 100% !important;
}

.h-100 {
  height: 100% !important;
}

.fw-bold {
  font-weight: 700 !important;
}

.text-center {
  text-align: center !important;
}

.text-start {
  text-align: left !important;
}

.text-end {
  text-align: right !important;
}

/* Responsive */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--primary-color);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 8px;
  }

  .nav-link {
    padding: 0.75rem 1rem !important;
  }

  .hero-section {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .display-3 {
    font-size: 2.5rem !important;
  }

  .display-4 {
    font-size: 2rem !important;
  }

  .display-5 {
    font-size: 1.75rem !important;
  }

  .display-6 {
    font-size: 1.5rem !important;
  }

  section {
    padding: 60px 0;
  }

  .d-lg-block {
    display: none !important;
  }

  .order-lg-1 {
    order: 1;
  }

  .order-lg-2 {
    order: 2;
  }

  .text-md-start {
    text-align: left !important;
  }

  .text-md-end {
    text-align: right !important;
  }

  .offset-lg-1,
  .offset-lg-2 {
    margin-left: 0;
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .btn-lg {
    padding: 0.875rem 2rem !important;
    font-size: 0.95rem;
  }

  .px-lg-5,
  .pe-lg-4,
  .pe-lg-5,
  .ps-lg-5 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .pt-lg-0 {
    padding-top: 1.5rem !important;
  }

  .mb-lg-0 {
    margin-bottom: 1rem !important;
  }

  .flex-md-row-reverse {
    flex-direction: row-reverse !important;
  }

  .col-md-5,
  .col-md-6,
  .col-md-7,
  .col-md-8,
  .col-md-12 {
    width: 100%;
    padding: 0 15px;
  }
}

@media (max-width: 767.98px) {
  .hero-section h1 {
    font-size: 2rem;
  }

  .hero-section .lead {
    font-size: 1.1rem;
  }

  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .modal-dialog {
    margin: 0.5rem;
  }

  .display-3 {
    font-size: 2rem !important;
  }

  .display-4 {
    font-size: 1.75rem !important;
  }

  .card-body {
    padding: 1.5rem;
  }

  section {
    padding: 40px 0;
  }

  .py-5 {
    padding: 2rem 0 !important;
  }

  .py-6 {
    padding: 3rem 0 !important;
  }
}

@media (min-width: 992px) {
  .col-lg-2 {
    width: 16.666667%;
  }

  .col-lg-3 {
    width: 25%;
  }

  .col-lg-4 {
    width: 33.333333%;
  }

  .col-lg-5 {
    width: 41.666667%;
  }

  .col-lg-6 {
    width: 50%;
  }

  .col-lg-7 {
    width: 58.333333%;
  }

  .col-lg-8 {
    width: 66.666667%;
  }

  .col-lg-10 {
    width: 83.333333%;
  }

  .offset-lg-1 {
    margin-left: 8.333333%;
  }

  .offset-lg-2 {
    margin-left: 16.666667%;
  }

  .order-lg-1 {
    order: 1 !important;
  }

  .order-lg-2 {
    order: 2 !important;
  }

  .d-lg-block {
    display: block !important;
  }

  .flex-lg-row {
    flex-direction: row !important;
  }
}

/* Animations */
@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);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-on-scroll {
  opacity: 0;
  transition: var(--transition);
}

.animate-on-scroll.animated {
  opacity: 1;
  animation: fadeInUp 0.8s ease-out forwards;
}

/* Hover Effects */
.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--shadow);
}

.hover-copper {
  transition: var(--transition);
}

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

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--copper-light));
  z-index: 9999;
  transition: width 0.2s ease-out;
}

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

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border: 3px solid rgba(230, 126, 34, 0.3);
  border-top-color: var(--secondary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Print Styles */
@media print {
  .navbar,
  .btn,
  footer,
  .modal {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  a {
    text-decoration: underline;
  }
}