/* Nordic Iron Architecture Studio - CSS */

/* ===================================
   CSS VARIABLES & ROOT
   =================================== */
:root {
  --primary-color: #D32F2F;
  --secondary-color: #37474F;
  --dark-gray: #263238;
  --light-gray: #ECEFF1;
  --iron-gray: #546E7A;
  --white: #FFFFFF;
  --black: #000000;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.3);
}

/* ===================================
   GLOBAL 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;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--light-gray);
  overflow-x: hidden;
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--secondary-color) !important;
  line-height: 1.2;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
  font-family: 'Playfair Display', 'Georgia', serif;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%) !important;
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: rgba(55, 71, 79, 0.95) !important;
}

.navbar-brand {
  color: var(--white) !important;
  font-size: 1.75rem;
  font-family: 'Playfair Display', serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  font-weight: 800 !important;
}

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

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-fast);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.navbar-dark .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary-color);
  transition: var(--transition-fast);
}

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

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

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

.navbar-toggler:hover {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !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(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===================================
   HERO SECTION
   =================================== */
.vh-100 {
  min-height: 100vh;
}

.position-relative.vh-100 {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%);
}

.position-relative.vh-100::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.3) 0%, rgba(55, 71, 79, 0.7) 100%);
  z-index: 1;
}

.object-fit-cover {
  object-fit: cover;
  filter: grayscale(20%) brightness(0.8);
  z-index: 0;
}

.position-relative.vh-100 .container {
  position: relative;
  z-index: 2;
}

.text-white {
  color: var(--white) !important;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.5);
}

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

.display-1 {
  font-size: clamp(2.5rem, 8vw, 6rem);
  animation: fadeInUp 1s ease-out;
}

.lead {
  animation: fadeInUp 1.2s ease-out;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  border-radius: 0;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: none !important;
  font-size: 0.9rem;
}

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

.btn:not(.btn-light):not(.btn-outline-light) {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  box-shadow: var(--shadow-md);
}

.btn:not(.btn-light):not(.btn-outline-light):hover {
  background-color: #B71C1C !important;
  color: var(--white) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-light {
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
  box-shadow: var(--shadow-md);
}

.btn-light:hover {
  background-color: var(--light-gray) !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  border: 2px solid var(--white) !important;
  color: var(--white) !important;
  background-color: transparent !important;
}

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

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-15px) translateX(-50%);
  }
  60% {
    transform: translateY(-8px) translateX(-50%);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@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-bounce {
  animation: bounce 2s infinite;
}

.bi-chevron-double-down {
  color: var(--white) !important;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.bi-chevron-double-down:hover {
  opacity: 1;
  transform: translateY(5px) translateX(-50%) !important;
}

/* ===================================
   CARDS
   =================================== */
.card {
  border-radius: 0;
  transition: var(--transition-smooth);
  background-color: var(--white);
  border: none !important;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.card-body {
  padding: 2rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--secondary-color) !important;
}

.card-text {
  color: var(--iron-gray);
  line-height: 1.8;
}

/* Service Cards with Flip Effect */
.service-card {
  position: relative;
  height: 400px;
  perspective: 1000px;
  cursor: pointer;
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0;
  box-shadow: var(--shadow-md);
}

.card-front {
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.card-back {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%);
  color: var(--white) !important;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.service-card:hover .card-front {
  transform: rotateY(-180deg);
}

.service-card:hover .card-back {
  transform: rotateY(0);
}

.card-back h3,
.card-back h5,
.card-back p,
.card-back .h3,
.card-back .h5 {
  color: var(--white) !important;
}

/* ===================================
   STATISTICS SECTION
   =================================== */
.bg-secondary {
  background-color: var(--secondary-color) !important;
}

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

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

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

.bg-transparent {
  background-color: transparent !important;
}

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

/* Stats Icons */
.bi-trophy-fill,
.bi-people-fill,
.bi-lightning-charge-fill,
.bi-shield-fill-check {
  color: var(--primary-color) !important;
  transition: var(--transition-fast);
}

.p-3:hover .bi-trophy-fill,
.p-3:hover .bi-people-fill,
.p-3:hover .bi-lightning-charge-fill,
.p-3:hover .bi-shield-fill-check {
  transform: scale(1.2) rotate(5deg);
}

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

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

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

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

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

/* ===================================
   BADGES
   =================================== */
.badge {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  padding: 0.5rem 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
}

/* ===================================
   FORMS
   =================================== */
.form-control,
.form-control-lg,
.form-select,
.form-select-lg {
  border-radius: 0;
  border: 2px solid var(--iron-gray);
  padding: 0.75rem 1rem;
  transition: var(--transition-fast);
  background-color: var(--white);
  color: var(--secondary-color);
  font-size: 1rem;
}

.form-control:focus,
.form-control-lg:focus,
.form-select:focus,
.form-select-lg:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
  background-color: var(--white);
  outline: none;
}

.form-label {
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.form-control-lg,
.form-select-lg {
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
}

/* ===================================
   ALERTS
   =================================== */
.alert {
  border-radius: 0;
  border: none;
  padding: 1.25rem 1.5rem;
  font-weight: 500;
}

.alert-success {
  background-color: #4CAF50 !important;
  color: var(--white) !important;
}

/* ===================================
   ACCORDION
   =================================== */
.accordion {
  border: none;
}

.accordion-item {
  border: none;
  border-bottom: 2px solid var(--light-gray);
  background-color: transparent;
  margin-bottom: 1rem;
}

.accordion-button {
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1.5rem;
  border-radius: 0 !important;
  transition: var(--transition-fast);
  border: none;
  box-shadow: none !important;
}

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

.accordion-button::after {
  filter: brightness(0) invert(1);
}

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

.accordion-body {
  padding: 1.5rem;
  background-color: var(--light-gray);
  color: var(--secondary-color);
  line-height: 1.8;
}

.accordion-collapse {
  border: none;
}

/* ===================================
   ICONS
   =================================== */
.bi {
  transition: var(--transition-fast);
}

.rounded-circle {
  border-radius: 50% !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
}

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

/* Social Icons */
.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background-color: var(--secondary-color);
  color: var(--white) !important;
  margin: 0 0.5rem;
  transition: var(--transition-fast);
  border-radius: 0;
  font-size: 1.2rem;
}

.social-icons a:hover {
  background-color: var(--primary-color);
  color: var(--white) !important;
  transform: translateY(-5px) rotate(5deg);
  box-shadow: var(--shadow-md);
}

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

footer h3,
footer h4,
footer h5,
footer .h3,
footer .h4,
footer .h5 {
  color: var(--white) !important;
  font-weight: 700;
}

footer a {
  color: rgba(255, 255, 255, 0.7) !important;
  transition: var(--transition-fast);
  text-decoration: none;
}

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

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

footer .bi {
  color: var(--primary-color) !important;
}

/* ===================================
   BORDERS
   =================================== */
.border-start {
  border-left: 4px solid var(--primary-color) !important;
}

.border-bottom {
  border-bottom: 2px solid var(--light-gray) !important;
}

.border-top {
  border-top: 2px solid var(--light-gray) !important;
}

.border-4 {
  border-width: 4px !important;
}

.border-3 {
  border-width: 3px !important;
}

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

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

.text-decoration-underline {
  text-decoration: underline !important;
}

.fst-italic {
  font-style: italic;
}

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

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

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

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

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

.gap-5 {
  gap: 3rem !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;
}

/* ===================================
   PARCHMENT PRICE
   =================================== */
.parchment-price {
  background: linear-gradient(135deg, #F5F5DC 0%, #E8E5D0 100%);
  border: 3px solid var(--iron-gray);
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.parchment-price::before,
.parchment-price::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 3px solid var(--iron-gray);
}

.parchment-price::before {
  top: -3px;
  left: -3px;
  border-right: none;
  border-bottom: none;
}

.parchment-price::after {
  bottom: -3px;
  right: -3px;
  border-left: none;
  border-top: none;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: rgba(55, 71, 79, 0.98);
    padding: 1.5rem;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .navbar-nav {
    align-items: flex-start;
  }

  .navbar-dark .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
  }

  .display-1 {
    font-size: 3rem;
  }

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

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

  .service-card {
    height: 350px;
  }

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

  .card-body {
    padding: 1.5rem;
  }
}

@media (max-width: 767.98px) {
  .display-1 {
    font-size: 2.5rem;
  }

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

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

  .fs-3 {
    font-size: 1.5rem !important;
  }

  .lead {
    font-size: 1.1rem;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.9rem;
  }

  .service-card {
    height: 300px;
  }

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

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

  .social-icons a {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .rounded-circle {
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 575.98px) {
  .display-1 {
    font-size: 2rem;
  }

  .display-3 {
    font-size: 1.75rem;
  }

  .display-5 {
    font-size: 1.5rem;
  }

  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .navbar-brand {
    font-size: 1.5rem;
  }

  .btn-lg {
    padding: 0.625rem 1.25rem !important;
    font-size: 0.85rem;
  }

  .service-card {
    height: 280px;
  }

  .card-body {
    padding: 1.25rem;
  }

  .accordion-button {
    font-size: 1rem;
    padding: 1rem;
  }

  .accordion-body {
    padding: 1rem;
  }
}

/* ===================================
   SCROLL ANIMATIONS
   =================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===================================
   STICKY ELEMENTS
   =================================== */
.sticky-lg-top {
  position: sticky;
  top: 80px;
  z-index: 1020;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--iron-gray);
  border-radius: 0;
}

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

/* ===================================
   LOADING STATES
   =================================== */
.btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 3px solid var(--white);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spinner 0.8s linear infinite;
}

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

/* ===================================
   HOVER EFFECTS
   =================================== */
.hover-lift {
  transition: var(--transition-smooth);
}

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

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

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

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
  .navbar,
  .btn,
  footer,
  .social-icons {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}