/* Industrial Steel & Amber - Architecture Studio Theme */

/* ============================================
   ROOT VARIABLES & BASE SETUP
   ============================================ */
:root {
  --primary-color: #263238;
  --secondary-color: #FF6F00;
  --primary-light: #37474F;
  --primary-dark: #1a2327;
  --secondary-light: #FF8F00;
  --secondary-dark: #E65100;
  --text-light: #ECEFF1;
  --text-dark: #263238;
  --steel-gradient: linear-gradient(135deg, #263238 0%, #37474F 100%);
  --amber-glow: 0 0 20px rgba(255, 111, 0, 0.3);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-steel: 0 4px 20px rgba(38, 50, 56, 0.4);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #f5f5f5;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  background: var(--steel-gradient) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-steel);
  transition: var(--transition-smooth);
  padding: 1rem 0;
  border-bottom: 2px solid var(--secondary-color);
}

.navbar.sticky-top {
  animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.navbar-brand {
  color: var(--text-light) !important;
  font-size: 1.8rem !important;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  position: relative;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--secondary-color);
  transition: var(--transition-smooth);
}

.navbar-brand:hover::after {
  width: 100%;
}

.navbar-brand:hover {
  color: var(--secondary-color) !important;
  text-shadow: var(--amber-glow);
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 111, 0, 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='%23FF6F00' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

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

.nav-item {
  margin: 0 0.5rem;
  position: relative;
}

.nav-link {
  color: var(--text-light) !important;
  font-weight: 600 !important;
  padding: 0.75rem 1.25rem !important;
  transition: var(--transition-smooth) !important;
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

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

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

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

.nav-link.active {
  font-weight: 700 !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.position-relative.overflow-hidden {
  background: var(--steel-gradient);
  min-height: 100vh;
  position: relative;
}

.position-relative.overflow-hidden::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 50px,
      rgba(255, 111, 0, 0.03) 50px,
      rgba(255, 111, 0, 0.03) 51px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 50px,
      rgba(255, 111, 0, 0.03) 50px,
      rgba(255, 111, 0, 0.03) 51px
    );
  animation: gridMove 20s linear infinite;
}

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

.hero-overlay {
  background: rgba(38, 50, 56, 0.85);
  position: relative;
  z-index: 1;
}

.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
  font-weight: 800 !important;
  letter-spacing: -1px;
  color: var(--text-light) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out;
}

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

.lead {
  color: var(--text-light) !important;
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  border-radius: 2px !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-smooth) !important;
  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-smooth);
  z-index: -1;
}

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

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

.btn-primary,
.btn.px-5 {
  background: var(--secondary-color) !important;
  color: #ffffff !important;
  border-color: var(--secondary-color) !important;
  box-shadow: 0 4px 15px rgba(255, 111, 0, 0.3);
}

.btn-primary:hover,
.btn.px-5:hover {
  background: var(--secondary-dark) !important;
  border-color: var(--secondary-dark) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 111, 0, 0.4) !important;
  color: #ffffff !important;
}

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

.btn-outline-light:hover {
  background: #ffffff !important;
  color: var(--primary-color) !important;
  border-color: #ffffff !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3) !important;
}

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

.btn-light:hover {
  background: var(--text-light) !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3) !important;
}

/* ============================================
   CARDS & SECTIONS
   ============================================ */
.container {
  position: relative;
  z-index: 1;
}

.p-4,
.p-5,
.py-5 {
  position: relative;
}

.bg-white,
.bg-light {
  background: #ffffff !important;
}

.shadow,
.shadow-lg {
  box-shadow: var(--shadow-steel) !important;
  transition: var(--transition-smooth);
}

.shadow:hover,
.shadow-lg:hover {
  box-shadow: 0 8px 30px rgba(38, 50, 56, 0.5) !important;
  transform: translateY(-5px);
}

.rounded,
.rounded-circle {
  transition: var(--transition-smooth);
}

/* ============================================
   GALLERY
   ============================================ */
.gallery-wrapper {
  position: relative;
  overflow: hidden;
}

.gallery-hero {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  height: 100%;
  min-height: 400px;
}

.gallery-hero img,
.img-fluid {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-hero:hover img,
.shadow-lg:hover img {
  transform: scale(1.05);
  filter: brightness(0.8);
}

.project-overlay,
.project-overlay-small {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(38, 50, 56, 0.95), transparent);
  padding: 2rem;
  transform: translateY(70%);
  transition: var(--transition-smooth);
  color: #ffffff !important;
}

.project-overlay-small {
  padding: 1.5rem;
  transform: translateY(60%);
}

.gallery-hero:hover .project-overlay,
.shadow:hover .project-overlay,
.shadow-lg:hover .project-overlay {
  transform: translateY(0);
}

.gallery-hero:hover .project-overlay-small,
.shadow:hover .project-overlay-small,
.shadow-lg:hover .project-overlay-small {
  transform: translateY(0);
}

.project-overlay h2,
.project-overlay h4,
.project-overlay h5,
.project-overlay-small h5 {
  color: #ffffff !important;
  margin-bottom: 0.5rem;
}

.project-overlay p,
.project-overlay-small p {
  color: rgba(255, 255, 255, 0.9) !important;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  background: var(--secondary-color) !important;
  color: #ffffff !important;
  padding: 0.5rem 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 2px;
  font-size: 0.85rem;
}

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

.bi-hammer::before,
.bi-telephone-fill::before,
.bi-envelope-fill::before,
.bi-geo-alt-fill::before,
.bi-send-fill::before {
  color: var(--secondary-color);
  font-size: 1.5rem;
}

.d-inline-flex {
  transition: var(--transition-smooth);
}

.d-inline-flex:hover {
  transform: scale(1.1);
}

.d-inline-flex .bi {
  color: var(--secondary-color) !important;
}

/* ============================================
   FORMS
   ============================================ */
.form-control,
.form-select {
  border: 2px solid #e0e0e0 !important;
  border-radius: 2px !important;
  padding: 0.75rem 1rem !important;
  transition: var(--transition-smooth) !important;
  background: #ffffff !important;
  color: var(--text-dark) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.2rem rgba(255, 111, 0, 0.15) !important;
  outline: none !important;
}

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

.form-check-input {
  border: 2px solid #e0e0e0 !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 0.2rem rgba(255, 111, 0, 0.15) !important;
}

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

/* ============================================
   TEXT UTILITIES
   ============================================ */
.text-white {
  color: #ffffff !important;
}

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

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

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

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

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

/* ============================================
   BACKGROUND SECTIONS
   ============================================ */
.bg-dark,
section[style*="background"] {
  background: var(--steel-gradient) !important;
  color: var(--text-light) !important;
}

.bg-dark .display-4,
.bg-dark .display-5,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5 {
  color: #ffffff !important;
}

.bg-dark p,
.bg-dark .lead {
  color: rgba(255, 255, 255, 0.9) !important;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: var(--primary-dark) !important;
  color: var(--text-light) !important;
  border-top: 3px solid var(--secondary-color);
}

footer a {
  color: var(--text-light) !important;
  transition: var(--transition-smooth);
}

footer a:hover {
  color: var(--secondary-color) !important;
  text-decoration: none;
  transform: translateX(5px);
}

footer .list-unstyled li {
  margin-bottom: 0.5rem;
  transition: var(--transition-smooth);
}

footer .list-unstyled li:hover {
  transform: translateX(5px);
}

.small {
  font-size: 0.9rem;
}

/* ============================================
   SPACING & UTILITIES
   ============================================ */
.my-5 {
  margin-top: 4rem !important;
  margin-bottom: 4rem !important;
}

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

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

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 991.98px) {
  .navbar-nav {
    padding: 1rem 0;
    background: rgba(38, 50, 56, 0.95);
    border-radius: 4px;
    margin-top: 1rem;
  }
  
  .nav-item {
    margin: 0.25rem 0;
  }
  
  .nav-link {
    padding: 0.75rem 1.5rem !important;
  }
  
  .display-2 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .lead {
    font-size: 1.1rem;
  }
  
  .btn-lg {
    font-size: 0.9rem !important;
    padding: 0.75rem 2rem !important;
  }
  
  .ps-5, .pe-5 {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }
  
  .ps-lg-5, .ps-lg-4 {
    padding-left: 1rem !important;
  }
}

@media (max-width: 767.98px) {
  .position-relative.overflow-hidden {
    min-height: auto;
    padding: 3rem 0;
  }
  
  .navbar-brand {
    font-size: 1.5rem !important;
  }
  
  .display-2 {
    font-size: 2rem !important;
  }
  
  .display-3 {
    font-size: 1.75rem !important;
  }
  
  .gallery-hero {
    min-height: 300px;
  }
  
  .project-overlay,
  .project-overlay-small {
    transform: translateY(0);
    position: relative;
    background: var(--steel-gradient);
  }
  
  .my-5 {
    margin-top: 2rem !important;
    margin-bottom: 2rem !important;
  }
  
  .py-5 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
}

@media (max-width: 575.98px) {
  .btn-lg {
    font-size: 0.85rem !important;
    padding: 0.6rem 1.5rem !important;
  }
  
  .d-flex.gap-3 {
    flex-direction: column;
    gap: 1rem !important;
  }
  
  .d-flex.gap-3 .btn {
    width: 100%;
  }
}

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

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

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

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-color);
  border-radius: 6px;
}

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

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

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