/* Nordic Steel Architecture Studio - Custom Styles */

/* ==================== ROOT VARIABLES ==================== */
:root {
  --primary-color: #2E3440;
  --secondary-color: #88C0D0;
  --accent-color: #5E81AC;
  --light-bg: #ECEFF4;
  --dark-text: #2E3440;
  --light-text: #D8DEE9;
  --white: #FFFFFF;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 30px rgba(46, 52, 64, 0.15);
  --shadow-hover: 0 15px 40px rgba(46, 52, 64, 0.25);
}

/* ==================== GLOBAL STYLES ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

/* ==================== TYPOGRAPHY ==================== */
.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  color: var(--primary-color) !important;
  line-height: 1.2 !important;
}

.lead {
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  color: var(--dark-text) !important;
  opacity: 0.9;
}

.fs-5 {
  color: var(--dark-text) !important;
  opacity: 0.85;
}

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

.text-muted {
  color: #6c757d !important;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--primary-color) !important;
}

/* ==================== NAVIGATION ==================== */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, #3B4252 100%) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(46, 52, 64, 0.3) !important;
  transition: var(--transition);
  z-index: 1030 !important;
  border-bottom: 2px solid var(--secondary-color);
}

.navbar.position-fixed {
  top: 0;
  left: 0;
  right: 0;
}

.navbar-brand {
  color: var(--white) !important;
  font-weight: 700 !important;
  font-size: 1.5rem !important;
  letter-spacing: 0.5px;
  transition: var(--transition);
  text-transform: uppercase;
}

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

.navbar-nav {
  gap: 1.5rem !important;
}

.nav-link {
  color: var(--light-text) !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  padding: 0.5rem 1rem !important;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--secondary-color) !important;
  background: rgba(136, 192, 208, 0.1) !important;
}

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(136, 192, 208, 0.3) !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;
}

/* ==================== BUTTONS ==================== */
.btn {
  font-weight: 600 !important;
  letter-spacing: 0.5px;
  padding: 0.75rem 2rem !important;
  border-radius: 8px !important;
  transition: var(--transition);
  border: none !important;
  text-transform: uppercase;
  font-size: 0.9rem !important;
  position: relative;
  overflow: hidden;
}

.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;
}

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

.btn-primary,
.btn {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%) !important;
  color: var(--white) !important;
  box-shadow: 0 4px 15px rgba(136, 192, 208, 0.3) !important;
}

.btn-primary:hover,
.btn:hover {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%) !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(136, 192, 208, 0.4) !important;
}

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

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

.filter-btn {
  background: var(--white) !important;
  color: var(--primary-color) !important;
  border: 2px solid var(--primary-color) !important;
}

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

/* ==================== CAROUSEL ==================== */
.carousel {
  margin-top: 76px;
  height: 100vh;
  min-height: 600px;
}

.carousel.carousel-fade .carousel-item {
  transition: opacity 1.5s ease-in-out;
}

.carousel-inner {
  height: 100%;
}

.carousel-item {
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color) 0%, #3B4252 100%);
  position: relative;
}

.carousel-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(46, 52, 64, 0.8) 0%, rgba(59, 66, 82, 0.6) 100%);
  z-index: 1;
}

.carousel-item img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.carousel-caption {
  top: 50% !important;
  transform: translateY(-50%);
  bottom: auto !important;
  left: 5% !important;
  right: auto !important;
  text-align: left !important;
  max-width: 700px;
  z-index: 2;
}

.carousel-caption .display-2 {
  color: var(--white) !important;
  font-size: 4rem !important;
  font-weight: 700 !important;
  text-shadow: 2px 4px 20px rgba(0, 0, 0, 0.5);
  margin-bottom: 1.5rem !important;
  animation: fadeInUp 1s ease-out;
}

.carousel-caption .lead {
  color: var(--light-text) !important;
  font-size: 1.35rem !important;
  text-shadow: 1px 2px 10px rgba(0, 0, 0, 0.5);
  margin-bottom: 2rem !important;
  animation: fadeInUp 1s ease-out 0.3s backwards;
}

.carousel-caption .btn {
  animation: fadeInUp 1s ease-out 0.6s backwards;
}

.carousel-indicators {
  margin-bottom: 2rem !important;
  z-index: 2;
}

.carousel-indicators [data-bs-target] {
  width: 12px !important;
  height: 12px !important;
  border-radius: 50% !important;
  background-color: var(--secondary-color) !important;
  border: 2px solid var(--white) !important;
  opacity: 0.5 !important;
  transition: var(--transition);
}

.carousel-indicators .active {
  opacity: 1 !important;
  transform: scale(1.3);
}

.carousel-control-prev,
.carousel-control-next {
  width: 5% !important;
  opacity: 0.8 !important;
  transition: var(--transition);
  z-index: 2;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1 !important;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 3rem !important;
  height: 3rem !important;
  background-color: rgba(136, 192, 208, 0.3);
  border-radius: 50%;
  padding: 2rem;
}

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

.container {
  max-width: 1200px;
}

/* About Section */
.py-5 {
  padding-top: 5rem !important;
  padding-bottom: 5rem !important;
}

.img-fluid {
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.img-fluid:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}

/* Services Section */
.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 2.5rem;
  transition: var(--transition);
  box-shadow: 0 5px 20px rgba(46, 52, 64, 0.08);
  border: 1px solid rgba(136, 192, 208, 0.1);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.bi {
  color: var(--secondary-color) !important;
  transition: var(--transition);
}

.service-card:hover .bi {
  transform: scale(1.1) rotate(5deg);
  color: var(--accent-color) !important;
}

.h4 {
  color: var(--primary-color) !important;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 600 !important;
}

/* Portfolio Section */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  height: 350px;
  box-shadow: var(--shadow);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(46, 52, 64, 0.95) 0%, rgba(46, 52, 64, 0.3) 100%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: var(--white) !important;
}

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

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

.portfolio-overlay .h3 {
  color: var(--white) !important;
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: transform 0.4s ease 0.1s;
}

.portfolio-overlay .small,
.portfolio-overlay .badge {
  transform: translateY(20px);
  transition: transform 0.4s ease 0.2s;
}

.portfolio-item:hover .portfolio-overlay .h3,
.portfolio-item:hover .portfolio-overlay .small,
.portfolio-item:hover .portfolio-overlay .badge {
  transform: translateY(0);
}

.badge {
  background: var(--secondary-color) !important;
  color: var(--primary-color) !important;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
}

/* Contact Section */
.contact-split-container {
  display: flex;
  flex-wrap: wrap;
  min-height: 600px;
  box-shadow: var(--shadow-hover);
  border-radius: 12px;
  overflow: hidden;
}

.contact-visual-side {
  flex: 1;
  min-width: 300px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #3B4252 100%);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--white) !important;
}

.contact-visual-side .display-4 {
  color: var(--white) !important;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-info-cards > div {
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 8px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.contact-info-cards > div:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(10px);
}

.contact-info-cards .bi {
  color: var(--secondary-color) !important;
  font-size: 1.5rem;
}

.contact-info-cards a {
  color: var(--white) !important;
  text-decoration: none !important;
  transition: var(--transition);
}

.contact-info-cards a:hover {
  color: var(--secondary-color) !important;
}

.contact-form-side {
  flex: 1;
  min-width: 300px;
  background: var(--white);
  padding: 3rem;
}

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

.form-control,
.form-select {
  border: 2px solid rgba(46, 52, 64, 0.15) !important;
  border-radius: 8px !important;
  padding: 0.75rem 1rem !important;
  transition: var(--transition);
  font-size: 0.95rem !important;
  color: var(--dark-text) !important;
  background-color: var(--white) !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;
  background-color: var(--white) !important;
}

.form-control::placeholder {
  color: #9CA3AF !important;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-check-input {
  border: 2px solid rgba(46, 52, 64, 0.3) !important;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}

.form-check-label {
  color: var(--dark-text) !important;
  cursor: pointer;
}

/* Accordion */
.accordion-item {
  border: none !important;
  margin-bottom: 1rem;
  border-radius: 8px !important;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(46, 52, 64, 0.08);
}

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

.accordion-button:not(.collapsed) {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(21%) sepia(10%) saturate(1234%) hue-rotate(180deg) brightness(95%) contrast(91%);
}

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

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

/* Privacy Page */
.privacy-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #3B4252 100%);
  padding: 6rem 0 4rem;
  margin-top: 76px;
  color: var(--white) !important;
}

.privacy-hero .display-3 {
  color: var(--white) !important;
}

.privacy-content {
  padding: 4rem 0;
}

.privacy-content h2,
.privacy-content h3 {
  color: var(--primary-color) !important;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.privacy-content p,
.privacy-content li {
  color: var(--dark-text) !important;
  line-height: 1.8;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--primary-color) 0%, #3B4252 100%);
  color: var(--light-text) !important;
  padding: 3rem 0 1rem;
  margin-top: 5rem;
}

footer .h5 {
  color: var(--white) !important;
  font-weight: 600 !important;
  margin-bottom: 1.5rem !important;
}

footer a {
  color: var(--light-text) !important;
  text-decoration: none !important;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

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

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

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

footer .border-top {
  border-color: rgba(255, 255, 255, 0.1) !important;
  margin-top: 2rem;
}

footer .text-center p {
  color: var(--light-text) !important;
  margin: 0;
}

.text-decoration-none {
  transition: var(--transition);
}

.text-decoration-none:hover {
  color: var(--secondary-color) !important;
}

/* ==================== 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(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==================== UTILITY CLASSES ==================== */
.overflow-hidden {
  overflow: hidden !important;
}

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

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

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

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

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

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

.object-fit-cover {
  object-fit: cover !important;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(46, 52, 64, 0.98);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: var(--shadow);
  }
  
  .navbar-nav {
    gap: 0.5rem !important;
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
  }
  
  .carousel {
    height: 70vh;
    min-height: 500px;
  }
  
  .carousel-caption .display-2 {
    font-size: 2.5rem !important;
  }
  
  .carousel-caption .lead {
    font-size: 1.1rem !important;
  }
  
  .display-3 {
    font-size: 2.5rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.75rem !important;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .portfolio-item {
    height: 280px;
  }
  
  .contact-split-container {
    flex-direction: column;
  }
  
  .contact-visual-side,
  .contact-form-side {
    padding: 2rem;
  }
}

@media (max-width: 767.98px) {
  .carousel-caption {
    left: 3% !important;
    right: 3% !important;
    max-width: 94%;
  }
  
  .carousel-caption .display-2 {
    font-size: 2rem !important;
  }
  
  .carousel-caption .lead {
    font-size: 1rem !important;
  }
  
  .btn {
    padding: 0.6rem 1.5rem !important;
    font-size: 0.85rem !important;
  }
  
  .btn-lg {
    padding: 0.85rem 2rem !important;
  }
  
  .service-card {
    padding: 2rem;
    margin-bottom: 1.5rem;
  }
  
  .portfolio-item {
    height: 250px;
    margin-bottom: 1rem;
  }
  
  .display-2 {
    font-size: 2rem !important;
  }
  
  .display-3 {
    font-size: 1.875rem !important;
  }
  
  .display-4 {
    font-size: 1.5rem !important;
  }
}

@media (max-width: 575.98px) {
  .carousel {
    height: 60vh;
    min-height: 450px;
  }
  
  .carousel-caption .display-2 {
    font-size: 1.75rem !important;
    margin-bottom: 1rem !important;
  }
  
  .carousel-caption .lead {
    font-size: 0.95rem !important;
    margin-bottom: 1.5rem !important;
  }
  
  .px-4 {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .px-5 {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }
  
  section {
    padding: 2.5rem 0;
  }
  
  .py-5 {
    padding-top: 2.5rem !important;
    padding-bottom: 2.5rem !important;
  }
  
  .service-card {
    padding: 1.5rem;
  }
  
  .contact-visual-side,
  .contact-form-side {
    padding: 1.5rem;
  }
  
  footer {
    text-align: center;
  }
  
  footer .text-md-start,
  footer .text-md-end,
  footer .text-lg-end {
    text-align: center !important;
  }
}

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

.spinner-border {
  width: 1.5rem;
  height: 1.5rem;
  border-width: 0.2rem;
}

/* ==================== ACCESSIBILITY ==================== */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

*:focus {
  outline: 2px solid var(--secondary-color) !important;
  outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--secondary-color) !important;
  outline-offset: 2px;
}

/* ==================== PRINT STYLES ==================== */
@media print {
  .navbar,
  .carousel-control-prev,
  .carousel-control-next,
  .carousel-indicators,
  footer {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}