/* Nordic Steel Architecture Studio - Custom CSS */

/* ===========================
   CSS Variables & Root Styles
   =========================== */
:root {
  --primary-color: #2E3440;
  --secondary-color: #88C0D0;
  --light-gray: #ECEFF4;
  --dark-gray: #4C566A;
  --accent-frost: #8FBCBB;
  --text-dark: #2E3440;
  --text-light: #ECEFF4;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(46, 52, 64, 0.08);
  --shadow-md: 0 4px 16px rgba(46, 52, 64, 0.12);
  --shadow-lg: 0 8px 32px rgba(46, 52, 64, 0.16);
}

/* ===========================
   Global Overrides
   =========================== */
* {
  box-sizing: border-box;
}

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

/* ===========================
   Typography
   =========================== */
.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  color: var(--primary-color) !important;
}

.lead {
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  color: var(--dark-gray) !important;
  line-height: 1.8 !important;
}

.h2, .h4, .h5, .h6, h2, h4, h5, h6 {
  color: var(--primary-color) !important;
  font-weight: 600 !important;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
  padding: 1.5rem 0 !important;
  transition: var(--transition-base);
  z-index: 1000;
  background: rgba(46, 52, 64, 0.95) !important;
  backdrop-filter: blur(10px);
}

.navbar.sticky-top {
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: #FFFFFF !important;
  letter-spacing: 0.05em;
  transition: var(--transition-base);
}

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

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

.nav-link {
  font-weight: 500 !important;
  color: #ECEFF4 !important;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-base);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem !important;
  letter-spacing: 0.05em;
}

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

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

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

.navbar-toggler {
  border: 2px solid var(--secondary-color) !important;
  padding: 0.5rem 0.75rem !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='%2388C0D0' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-dark .navbar-toggler {
  color: var(--secondary-color) !important;
}

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

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #FFFFFF !important;
  animation: fadeInUp 1s ease-out;
}

.hero-content .display-2 {
  color: #FFFFFF !important;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
  font-size: clamp(2.5rem, 6vw, 4.5rem) !important;
}

.hero-content .lead {
  color: var(--light-gray) !important;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.2);
  max-width: 600px;
}

/* ===========================
   Buttons
   =========================== */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0 !important;
  transition: var(--transition-base);
  border: 2px solid transparent !important;
  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-base);
  z-index: -1;
}

.btn:hover::before {
  left: 0;
}

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

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--accent-frost) !important;
  border-color: var(--accent-frost) !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  border-color: #FFFFFF !important;
  color: #FFFFFF !important;
  background-color: transparent !important;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background-color: #FFFFFF !important;
  color: var(--primary-color) !important;
  border-color: #FFFFFF !important;
  transform: translateY(-3px);
}

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

.btn-outline-dark:hover,
.btn-outline-dark:focus {
  background-color: var(--primary-color) !important;
  color: #FFFFFF !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.5rem 1.5rem !important;
  font-size: 0.875rem !important;
}

/* ===========================
   Filter Buttons
   =========================== */
.filter-btn {
  background-color: transparent !important;
  border: 2px solid var(--dark-gray) !important;
  color: var(--dark-gray) !important;
  margin: 0.25rem;
  transition: var(--transition-base);
}

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

/* ===========================
   Cards & Service Cards
   =========================== */
.card {
  border: none !important;
  border-radius: 0 !important;
  transition: var(--transition-base);
  overflow: hidden;
  background-color: #FFFFFF !important;
}

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

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

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

.service-card {
  background-color: #FFFFFF !important;
  border: 1px solid #E5E9F0 !important;
  transition: var(--transition-base);
  height: 100%;
  position: relative;
  overflow: hidden;
}

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

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

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

.card-body {
  padding: 2rem !important;
}

.card-img-top {
  transition: var(--transition-base);
  object-fit: cover;
}

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

/* ===========================
   Bootstrap Icons
   =========================== */
.bi {
  color: var(--secondary-color) !important;
  transition: var(--transition-base);
}

.service-card:hover .bi {
  transform: scale(1.1) rotate(5deg);
}

.bi-lightning-charge-fill,
.bi-droplet-fill,
.bi-tree-fill,
.bi-recycle,
.bi-sun-fill,
.bi-bricks,
.bi-gear-fill,
.bi-award-fill,
.bi-house-check-fill,
.bi-building-check,
.bi-thermometer-sun,
.bi-water,
.bi-globe-americas,
.bi-flower1,
.bi-bicycle,
.bi-geo-alt-fill,
.bi-telephone-fill,
.bi-envelope-fill {
  display: inline-block;
}

/* ===========================
   Portfolio Section
   =========================== */
.portfolio-masonry {
  column-count: 1;
  column-gap: 1.5rem;
}

@media (min-width: 768px) {
  .portfolio-masonry {
    column-count: 2;
  }
}

@media (min-width: 992px) {
  .portfolio-masonry {
    column-count: 3;
  }
}

.portfolio-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  display: inline-block;
  width: 100%;
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background-color: #FFFFFF;
  border-radius: 0;
}

.portfolio-img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-base);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(46, 52, 64, 0.95) 100%);
  opacity: 0;
  transition: var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

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

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

.portfolio-content {
  color: #FFFFFF !important;
  transform: translateY(20px);
  transition: var(--transition-base);
}

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

.portfolio-content h5 {
  color: #FFFFFF !important;
  font-weight: 600 !important;
  margin-bottom: 0.5rem;
}

.portfolio-content p {
  color: var(--light-gray) !important;
  margin-bottom: 0;
}

/* ===========================
   Stats Section
   =========================== */
.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  transition: var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-item .display-3 {
  color: var(--secondary-color) !important;
  font-weight: 700 !important;
  margin-bottom: 0.5rem !important;
}

.stat-item p {
  color: var(--dark-gray) !important;
  font-weight: 500 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
}

/* ===========================
   Badge
   =========================== */
.badge {
  background-color: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1rem !important;
  border-radius: 0 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem !important;
}

/* ===========================
   Images
   =========================== */
.img-fluid {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

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

.rounded {
  border-radius: 0 !important;
}

/* ===========================
   Forms
   =========================== */
.form-control,
.form-select {
  border: 2px solid #D8DEE9 !important;
  border-radius: 0 !important;
  padding: 0.75rem 1rem !important;
  font-size: 1rem !important;
  transition: var(--transition-base);
  background-color: #FFFFFF !important;
  color: var(--primary-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(136, 192, 208, 0.25) !important;
  outline: none;
}

.form-label {
  font-weight: 600 !important;
  color: var(--primary-color) !important;
  margin-bottom: 0.5rem !important;
  font-size: 0.95rem !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control::placeholder {
  color: #A0A8B5 !important;
  opacity: 1;
}

/* ===========================
   Backgrounds
   =========================== */
.bg-light {
  background-color: var(--light-gray) !important;
}

.bg-white {
  background-color: #FFFFFF !important;
}

/* ===========================
   Text Colors
   =========================== */
.text-white {
  color: #FFFFFF !important;
}

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

/* ===========================
   Spacing & Layout
   =========================== */
.py-5 {
  padding-top: 5rem !important;
  padding-bottom: 5rem !important;
}

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

.pt-5 {
  padding-top: 5rem !important;
}

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

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

.my-4 {
  margin-top: 2rem !important;
  margin-bottom: 2rem !important;
}

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

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

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

a:hover {
  color: var(--accent-frost) !important;
  text-decoration: none !important;
}

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

/* ===========================
   Lists
   =========================== */
.list-unstyled {
  padding-left: 0 !important;
  list-style: none !important;
}

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

.list-unstyled a {
  color: var(--dark-gray) !important;
  transition: var(--transition-base);
  display: inline-block;
}

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

/* ===========================
   Position Utilities
   =========================== */
.position-sticky {
  position: sticky !important;
  top: 100px;
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

/* ===========================
   Scroll Animations
   =========================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   Dividers
   =========================== */
.opacity-25 {
  opacity: 0.25 !important;
}

.opacity-75 {
  opacity: 0.75 !important;
}

hr {
  border-color: var(--dark-gray) !important;
  opacity: 0.25;
}

/* ===========================
   Footer
   =========================== */
footer {
  background-color: var(--primary-color) !important;
  color: var(--light-gray) !important;
  padding: 3rem 0 1rem;
}

footer h5,
footer h6 {
  color: #FFFFFF !important;
  font-weight: 600 !important;
  margin-bottom: 1.5rem;
}

footer p,
footer a {
  color: var(--light-gray) !important;
  font-size: 0.95rem;
}

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

footer .bi {
  color: var(--secondary-color) !important;
  margin-right: 0.5rem;
}

/* ===========================
   Responsive Typography
   =========================== */
@media (max-width: 991px) {
  .display-2 {
    font-size: 3rem !important;
  }
  
  .display-3 {
    font-size: 2.5rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.75rem !important;
  }
  
  .lead {
    font-size: 1.1rem !important;
  }
}

@media (max-width: 767px) {
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .px-5 {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }
}

/* ===========================
   Mobile Menu
   =========================== */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: rgba(46, 52, 64, 0.98);
    padding: 1.5rem;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav {
    gap: 0.5rem !important;
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .nav-link::after {
    display: none;
  }
}

/* ===========================
   Accessibility
   =========================== */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--secondary-color) !important;
  outline-offset: 2px;
}

/* ===========================
   Print Styles
   =========================== */
@media print {
  .navbar,
  .btn,
  footer {
    display: none !important;
  }
  
  body {
    background-color: white !important;
  }
}

/* ===========================
   Additional Utilities
   =========================== */
.overflow-hidden {
  overflow: hidden !important;
}

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

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

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

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

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

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

.justify-content-lg-end {
  @media (min-width: 992px) {
    justify-content: flex-end !important;
  }
}

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

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

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

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

.text-md-start {
  @media (min-width: 768px) {
    text-align: left !important;
  }
}

.text-md-end {
  @media (min-width: 768px) {
    text-align: right !important;
  }
}

.text-lg-end {
  @media (min-width: 992px) {
    text-align: right !important;
  }
}

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

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

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

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

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

.flex-lg-row-reverse {
  @media (min-width: 992px) {
    flex-direction: row-reverse !important;
  }
}

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

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

.me-1 {
  margin-right: 0.25rem !important;
}

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

.me-3 {
  margin-right: 1rem !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 {
  @media (min-width: 992px) {
    margin-bottom: 0 !important;
  }
}

.mb-md-0 {
  @media (min-width: 768px) {
    margin-bottom: 0 !important;
  }
}

.mt-2 {
  margin-top: 0.5rem !important;
}

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

.mt-lg-0 {
  @media (min-width: 992px) {
    margin-top: 0 !important;
  }
}

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

.p-4 {
  padding: 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 {
  @media (min-width: 992px) {
    padding-left: 3rem !important;
    padding-right: 3rem !important;
  }
}

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

.py-2 {
  padding-top: 0.5rem !important;
  padding-bottom: 0.5rem !important;
}

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

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

.ps-lg-4 {
  @media (min-width: 992px) {
    padding-left: 1.5rem !important;
  }
}

.ps-lg-5 {
  @media (min-width: 992px) {
    padding-left: 3rem !important;
  }
}

.pe-lg-4 {
  @media (min-width: 992px) {
    padding-right: 1.5rem !important;
  }
}

.pe-lg-5 {
  @media (min-width: 992px) {
    padding-right: 3rem !important;
  }
}

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

.border-0 {
  border: 0 !important;
}

.fs-1 {
  font-size: calc(1.375rem + 1.5vw) !important;
}

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

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

small {
  font-size: 0.875rem !important;
  color: var(--dark-gray) !important;
}

/* ===========================
   Grid System Adjustments
   =========================== */
.g-0 {
  --bs-gutter-x: 0 !important;
  --bs-gutter-y: 0 !important;
}

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

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

/* ===========================
   Order Utilities
   =========================== */
.order-lg-1 {
  @media (min-width: 992px) {
    order: 1 !important;
  }
}

.order-lg-2 {
  @media (min-width: 992px) {
    order: 2 !important;
  }
}

/* ===========================
   Smooth Scroll
   =========================== */
html {
  scroll-behavior: smooth;
}

/* ===========================
   Selection Styles
   =========================== */
::selection {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

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

/* ===========================
   Scrollbar Styling
   =========================== */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--dark-gray);
  border-radius: 5px;
}

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

/* ===========================
   Loading States
   =========================== */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* ===========================
   Focus Visible for Better Accessibility
   =========================== */
:focus-visible {
  outline: 2px solid var(--secondary-color) !important;
  outline-offset: 2px;
}

/* ===========================
   Image Lazy Loading
   =========================== */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
  opacity: 1;
}