/* Architectural Studio - Deep Slate & Copper Theme */

/* ===================================
   ROOT VARIABLES & BASE STYLES
   =================================== */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E67E22;
  --dark-slate: #1a252f;
  --light-slate: #34495e;
  --copper-light: #f39c12;
  --copper-dark: #d35400;
  --white: #ffffff;
  --light-bg: #ecf0f1;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --transition-base: all 0.3s ease;
  --shadow-sm: 0 2px 4px rgba(44, 62, 80, 0.1);
  --shadow-md: 0 4px 6px rgba(44, 62, 80, 0.15);
  --shadow-lg: 0 10px 25px rgba(44, 62, 80, 0.2);
  --shadow-xl: 0 20px 40px rgba(44, 62, 80, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
  color: var(--text-dark) !important;
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

.lead {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text-light) !important;
}

.fs-4, .fs-5 {
  line-height: 1.6;
}

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

.text-white-50 {
  color: rgba(255, 255, 255, 0.7) !important;
}

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

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

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

/* ===================================
   NAVIGATION BAR
   =================================== */
.navbar {
  padding: 1rem 0;
  transition: var(--transition-base);
  background-color: var(--primary-color) !important;
  box-shadow: var(--shadow-md);
}

.navbar.fixed-top {
  z-index: 1030;
}

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

.navbar.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(44, 62, 80, 0.98) !important;
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 800 !important;
  color: var(--white) !important;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
  text-transform: uppercase;
}

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

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

.navbar-toggler:hover {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(230, 126, 34, 0.5) !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='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-nav {
  align-items: center;
}

.nav-item {
  margin: 0 0.25rem;
}

.nav-link {
  color: var(--white) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 6px;
  transition: var(--transition-base);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.nav-link:hover {
  color: var(--secondary-color) !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
  transform: translateY(-2px);
}

.nav-link.active {
  color: var(--white) !important;
  background-color: var(--secondary-color) !important;
  font-weight: 600;
}

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

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

/* ===================================
   HERO SECTION
   =================================== */
.hero-slider {
  height: 100vh;
  min-height: 600px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-slate) 100%);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.9) 0%, rgba(26, 37, 47, 0.85) 100%);
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  z-index: 2;
}

.hero-slide .container {
  position: relative;
  z-index: 3;
  height: 100%;
}

.hero-slide .text-white h1 {
  color: var(--white) !important;
  font-size: clamp(2.5rem, 5vw, 4rem);
  text-shadow: 2px 4px 12px rgba(0, 0, 0, 0.4);
  animation: fadeInUp 1s ease-out;
}

.hero-slide .lead {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  text-shadow: 1px 2px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s both;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.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;
  z-index: -1;
}

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

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

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

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

.btn-outline-light:hover {
  color: var(--primary-color) !important;
  background-color: var(--white) !important;
  border-color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.3) !important;
}

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

.btn-outline-dark:hover {
  color: var(--white) !important;
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg) !important;
}

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

.btn-light:hover {
  color: var(--white) !important;
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(230, 126, 34, 0.3) !important;
}

.btn-link {
  color: var(--secondary-color) !important;
  text-decoration: none;
  font-weight: 600;
}

.btn-link:hover {
  color: var(--copper-dark) !important;
  text-decoration: underline;
}

/* ===================================
   BADGES
   =================================== */
.badge {
  padding: 0.5rem 1rem;
  font-weight: 600;
  border-radius: 20px;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

/* ===================================
   CARDS
   =================================== */
.card {
  border: none !important;
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-base);
  background-color: var(--white);
}

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

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--primary-color) !important;
  font-weight: 700;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-light) !important;
  line-height: 1.7;
}

.service-card {
  background: linear-gradient(135deg, var(--white) 0%, var(--light-bg) 100%);
  border: 1px solid rgba(44, 62, 80, 0.1) !important;
  padding: 2.5rem;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--secondary-color);
  transition: height 0.4s ease;
}

.service-card:hover::before {
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl) !important;
  border-color: var(--secondary-color) !important;
}

.service-card .bi {
  color: var(--secondary-color) !important;
  font-size: 2.5rem;
}

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

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  height: 350px;
  cursor: pointer;
}

.portfolio-item.large {
  grid-column: span 2;
  height: 450px;
}

.portfolio-item.medium {
  height: 400px;
}

.portfolio-card {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 12px;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.15);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(44, 62, 80, 0.95) 100%);
  opacity: 0;
  transition: var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

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

.portfolio-content {
  color: var(--white) !important;
  transform: translateY(30px);
  transition: transform 0.4s ease 0.1s;
}

.portfolio-item:hover .portfolio-content {
  transform: translateY(0);
}

.portfolio-content h5 {
  color: var(--white) !important;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-content p {
  color: rgba(255, 255, 255, 0.9) !important;
  margin-bottom: 1rem;
}

.portfolio-content .bi-arrow-right {
  color: var(--secondary-color) !important;
  font-size: 1.5rem;
  transition: var(--transition-base);
}

.portfolio-item:hover .bi-arrow-right {
  transform: translateX(10px);
}

/* Filter Buttons */
.filter-btn {
  background-color: transparent !important;
  color: var(--primary-color) !important;
  border: 2px solid var(--primary-color) !important;
  padding: 0.6rem 1.5rem;
  margin: 0.5rem;
  border-radius: 25px;
  font-weight: 600;
  transition: var(--transition-base);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-2px);
}

/* ===================================
   FORMS
   =================================== */
.form-label {
  font-weight: 600;
  color: var(--primary-color) !important;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-control,
.form-select {
  border: 2px solid rgba(44, 62, 80, 0.2) !important;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-base);
  background-color: var(--white) !important;
  color: var(--text-dark) !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;
  outline: none;
}

.form-control::placeholder {
  color: var(--text-light) !important;
  opacity: 0.7;
}

.form-check-input {
  border: 2px solid rgba(44, 62, 80, 0.3) !important;
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
}

.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(--text-dark) !important;
  cursor: pointer;
  margin-left: 0.5rem;
}

.alert {
  border-radius: 8px;
  padding: 1rem 1.5rem;
  border: none;
  font-weight: 500;
}

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

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

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

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

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

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

.py-5 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

.py-4 {
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.my-5 {
  margin-top: 4rem !important;
  margin-bottom: 4rem !important;
}

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

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

/* ===================================
   COUNTER STATS
   =================================== */
.counter-stat {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.counter-stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg) !important;
}

.counter-stat .bi {
  color: var(--secondary-color) !important;
  font-size: 3rem;
  margin-bottom: 1rem;
}

.counter-stat .display-4 {
  color: var(--primary-color) !important;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.counter-stat p {
  color: var(--text-light) !important;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

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

.accordion-item {
  border: 1px solid rgba(44, 62, 80, 0.1) !important;
  margin-bottom: 1rem;
  border-radius: 8px !important;
  overflow: hidden;
}

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

.accordion-button {
  background-color: var(--light-bg) !important;
  color: var(--primary-color) !important;
  font-weight: 600;
  padding: 1.25rem 1.5rem;
  font-size: 1.1rem;
  border: none !important;
  transition: var(--transition-base);
}

.accordion-button:not(.collapsed) {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
  box-shadow: none !important;
}

.accordion-button:focus {
  box-shadow: none !important;
  border: none !important;
}

.accordion-button::after {
  filter: brightness(0) invert(0.3);
}

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}

.accordion-body {
  padding: 1.5rem;
  background-color: var(--white);
  color: var(--text-dark) !important;
  line-height: 1.8;
}

.accordion-collapse {
  border-top: 2px solid rgba(44, 62, 80, 0.1);
}

/* ===================================
   TABLE
   =================================== */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table thead {
  background-color: var(--primary-color) !important;
}

.table thead th {
  color: var(--white) !important;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
  padding: 1rem;
  border: none !important;
}

.table tbody tr {
  transition: var(--transition-base);
}

.table-hover tbody tr:hover {
  background-color: rgba(230, 126, 34, 0.05) !important;
  transform: scale(1.01);
}

.table tbody td {
  padding: 1rem;
  vertical-align: middle;
  color: var(--text-dark) !important;
  border-color: rgba(44, 62, 80, 0.1) !important;
}

.table-responsive {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* ===================================
   FOOTER
   =================================== */
footer {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-slate) 100%);
  color: var(--white) !important;
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

footer h5,
footer h6,
footer .h5,
footer .h6 {
  color: var(--white) !important;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

footer p,
footer a,
footer li {
  color: rgba(255, 255, 255, 0.8) !important;
}

footer a {
  text-decoration: none;
  transition: var(--transition-base);
  display: inline-block;
}

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

footer .list-unstyled li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}

footer .list-unstyled li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

footer .bi {
  color: var(--secondary-color) !important;
  margin-right: 0.75rem;
}

footer .bi-instagram:hover,
footer .bi-linkedin:hover,
footer .bi-facebook:hover,
footer .bi-twitter:hover {
  color: var(--white) !important;
  transform: scale(1.2) rotate(10deg);
}

.border-top {
  border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
}

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

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

.rounded-circle {
  border-radius: 50% !important;
}

.rounded-circle.p-3 {
  background-color: rgba(230, 126, 34, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
}

/* ===================================
   RATIO / ASPECT RATIO
   =================================== */
.ratio {
  position: relative;
  width: 100%;
}

.ratio::before {
  display: block;
  padding-top: var(--bs-aspect-ratio);
  content: '';
}

.ratio > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ratio-4x3 {
  --bs-aspect-ratio: 75%;
}

/* ===================================
   UTILITIES
   =================================== */
.position-relative {
  position: relative !important;
}

.position-absolute {
  position: absolute !important;
}

.position-sticky {
  position: sticky !important;
  top: 0;
}

.sticky-lg-top {
  position: sticky !important;
  top: 80px;
  z-index: 1020;
}

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

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

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

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

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

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

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

.justify-content-end {
  justify-content: flex-end !important;
}

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

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

.gap-2 {
  gap: 0.5rem !important;
}

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

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

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

.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;
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease-out;
}

.animate-slideInLeft {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.8s ease-out;
}

.animate-scaleIn {
  animation: scaleIn 0.6s ease-out;
}

/* ===================================
   SCROLL ANIMATIONS
   =================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Mobile First - Base styles above */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
  
  section {
    padding: 6rem 0;
  }
  
  .text-md-start {
    text-align: left !important;
  }
  
  .text-md-end {
    text-align: right !important;
  }
  
  .mb-md-0 {
    margin-bottom: 0 !important;
  }
  
  .col-md-3 {
    flex: 0 0 auto;
    width: 25%;
  }
  
  .col-md-4 {
    flex: 0 0 auto;
    width: 33.333333%;
  }
  
  .col-md-6 {
    flex: 0 0 auto;
    width: 50%;
  }
  
  .col-md-12 {
    flex: 0 0 auto;
    width: 100%;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
  
  .navbar-expand-lg .navbar-nav {
    flex-direction: row;
  }
  
  .navbar-expand-lg .navbar-collapse {
    display: flex !important;
  }
  
  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
  
  .d-lg-block {
    display: block !important;
  }
  
  .col-lg-2 {
    flex: 0 0 auto;
    width: 16.666667%;
  }
  
  .col-lg-3 {
    flex: 0 0 auto;
    width: 25%;
  }
  
  .col-lg-4 {
    flex: 0 0 auto;
    width: 33.333333%;
  }
  
  .col-lg-5 {
    flex: 0 0 auto;
    width: 41.666667%;
  }
  
  .col-lg-6 {
    flex: 0 0 auto;
    width: 50%;
  }
  
  .col-lg-7 {
    flex: 0 0 auto;
    width: 58.333333%;
  }
  
  .col-lg-8 {
    flex: 0 0 auto;
    width: 66.666667%;
  }
  
  .col-lg-9 {
    flex: 0 0 auto;
    width: 75%;
  }
  
  .col-lg-10 {
    flex: 0 0 auto;
    width: 83.333333%;
  }
  
  .offset-lg-1 {
    margin-left: 8.333333%;
  }
  
  .offset-lg-2 {
    margin-left: 16.666667%;
  }
  
  .order-lg-1 {
    order: 1;
  }
  
  .order-lg-2 {
    order: 2;
  }
  
  .mt-lg-0 {
    margin-top: 0 !important;
  }
  
  .mb-lg-0 {
    margin-bottom: 0 !important;
  }
  
  .p-lg-5 {
    padding: 3rem !important;
  }
  
  .pe-lg-4 {
    padding-right: 1.5rem !important;
  }
  
  .ps-lg-5 {
    padding-left: 3rem !important;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .col-xl-7 {
    flex: 0 0 auto;
    width: 58.333333%;
  }
}

/* XXL devices (larger desktops, 1400px and up) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* Mobile Specific */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: rgba(44, 62, 80, 0.98);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-item {
    margin: 0.5rem 0;
  }
  
  .hero-slider {
    height: 70vh;
    min-height: 500px;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-item.large,
  .portfolio-item.medium {
    grid-column: span 1;
    height: 350px;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .display-3 {
    font-size: 2.5rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
}

@media (max-width: 767px) {
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .btn-lg {
    padding: 0.875rem 1.5rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .service-card {
    padding: 1.5rem;
  }
}

/* ===================================
   CUSTOM SCROLLBAR
   =================================== */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

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

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

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

/* ===================================
   SELECTION
   =================================== */
::selection {
  background-color: var(--secondary-color);
  color: var(--white);
}

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

/* ===================================
   LOADING STATE
   =================================== */
.loading {
  pointer-events: none;
  opacity: 0.6;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 0.8s linear infinite;
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
  .navbar,
  .btn,
  footer {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  a {
    text-decoration: underline;
  }
}