/* Crimson Steel Architecture Studio - Custom Styles */

/* ===========================
   CSS VARIABLES & ROOT
   =========================== */
:root {
  --primary-color: #8B0000;
  --primary-dark: #6B0000;
  --primary-light: #A52A2A;
  --secondary-color: #2F4F4F;
  --secondary-dark: #1F3F3F;
  --secondary-light: #3F6F6F;
  --accent-color: #C0C0C0;
  --text-dark: #1a1a1a;
  --text-light: #ffffff;
  --text-muted: #6c757d;
  --background-light: #f8f9fa;
  --background-dark: #1a1a1a;
  --border-color: #dee2e6;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Georgia', serif;
}

/* ===========================
   GLOBAL RESET & BASE
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  background-color: var(--background-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -1px;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.5px;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition-base);
}

a:hover {
  color: var(--primary-dark);
}

/* ===========================
   BOOTSTRAP 5 OVERRIDES
   =========================== */
.btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 0;
  border: 2px solid transparent;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--text-light);
  box-shadow: 0 0 0 0.25rem rgba(139, 0, 0, 0.3);
}

.btn-secondary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active,
.btn-secondary:focus {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--text-light);
  box-shadow: 0 0 0 0.25rem rgba(47, 79, 79, 0.3);
}

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

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

.btn-outline-primary:active,
.btn-outline-primary:focus {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 0 0 0.25rem rgba(139, 0, 0, 0.3);
}

.btn-outline-secondary {
  border-color: var(--secondary-color);
  color: var(--secondary-color);
  background-color: transparent;
}

.btn-outline-secondary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

.btn-outline-secondary:active,
.btn-outline-secondary:focus {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--text-light);
  box-shadow: 0 0 0 0.25rem rgba(47, 79, 79, 0.3);
}

.form-control {
  border-radius: 0;
  border: 2px solid var(--border-color);
  padding: 0.75rem 1rem;
  transition: var(--transition-base);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(139, 0, 0, 0.15);
}

.form-control.is-invalid {
  border-color: #dc3545;
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.form-control.is-valid {
  border-color: #198754;
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 0.25rem rgba(25, 135, 84, 0.25);
}

.card {
  border: none;
  border-radius: 0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  overflow: hidden;
}

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

.card-img-top {
  transition: var(--transition-slow);
}

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

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.navbar-brand:hover {
  color: var(--primary-dark);
}

.navbar-nav .nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  position: relative;
  transition: var(--transition-base);
}

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

.navbar-nav .nav-link:hover {
  color: var(--primary-color);
}

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

.navbar-nav .nav-link.active {
  color: var(--primary-color);
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(139, 0, 0, 0.2);
}

.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='%238B0000' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===========================
   HERO SECTION
   =========================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-light);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.95;
}

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

.section-title {
  position: relative;
  margin-bottom: 3rem;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section-title.text-start::after {
  left: 0;
  transform: none;
}

.section-dark {
  background-color: var(--secondary-color);
  color: var(--text-light);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-light);
}

.section-light {
  background-color: var(--background-light);
}

.section-accent {
  background: linear-gradient(135deg, rgba(139, 0, 0, 0.05) 0%, rgba(47, 79, 79, 0.05) 100%);
}

/* ===========================
   PROJECT GALLERY
   =========================== */
.project-card {
  position: relative;
  overflow: hidden;
  height: 400px;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(139, 0, 0, 0.95) 0%, rgba(47, 79, 79, 0.7) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: var(--text-light);
  opacity: 0;
  transition: var(--transition-base);
}

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

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

.project-overlay h3 {
  color: var(--text-light);
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: var(--transition-base);
}

.project-overlay p {
  transform: translateY(20px);
  transition: var(--transition-base);
  transition-delay: 0.1s;
}

.project-card:hover .project-overlay h3,
.project-card:hover .project-overlay p {
  transform: translateY(0);
}

/* ===========================
   SERVICES
   =========================== */
.service-item {
  padding: 2rem;
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid transparent;
  height: 100%;
}

.service-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-light);
  font-size: 2rem;
  transition: var(--transition-base);
}

.service-item:hover .service-icon {
  transform: rotateY(360deg);
}

/* ===========================
   TEAM SECTION
   =========================== */
.team-member {
  text-align: center;
  transition: var(--transition-base);
}

.team-member-image {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.team-member-image img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  filter: grayscale(100%);
  transition: var(--transition-base);
}

.team-member:hover .team-member-image img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.team-social {
  position: absolute;
  bottom: -50px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(139, 0, 0, 0.9);
  transition: var(--transition-base);
}

.team-member:hover .team-social {
  bottom: 0;
}

.team-social a {
  color: var(--text-light);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--text-light);
  transition: var(--transition-base);
}

.team-social a:hover {
  background-color: var(--text-light);
  color: var(--primary-color);
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonial-card {
  background-color: white;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: var(--primary-color);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

/* ===========================
   CONTACT FORM
   =========================== */
.contact-info {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-light);
  padding: 3rem;
  height: 100%;
}

.contact-info h3 {
  color: var(--text-light);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.contact-item a {
  color: var(--text-light);
}

.contact-item a:hover {
  color: var(--accent-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
  color: var(--text-dark);
}

.invalid-feedback,
.valid-feedback {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background-color: var(--background-dark);
  color: var(--text-light);
  padding: 4rem 0 2rem;
}

.footer h5 {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  padding: 0.25rem 0;
  transition: var(--transition-base);
}

.footer a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.footer-social {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-social a {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-base);
  padding: 0;
}

.footer-social a:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-3px);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ===========================
   UTILITIES
   =========================== */
.bg-primary-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.bg-secondary-gradient {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
}

.text-primary {
  color: var(--primary-color);
}

.text-secondary {
  color: var(--secondary-color);
}

.border-primary {
  border-color: var(--primary-color);
}

.border-secondary {
  border-color: var(--secondary-color);
}

/* ===========================
   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 0.6s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* ===========================
   SCROLL TO TOP BUTTON
   =========================== */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-5px);
}

/* ===========================
   LOADING SPINNER
   =========================== */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(139, 0, 0, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===========================
   RESPONSIVE - TABLET
   =========================== */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: white;
    padding: 1rem;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
  }

  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
  }

  .navbar-nav .nav-link::after {
    display: none;
  }

  .section {
    padding: 3rem 0;
  }

  .hero-section {
    min-height: 70vh;
  }

  .project-card {
    height: 300px;
  }

  .contact-info {
    margin-bottom: 2rem;
  }
}

/* ===========================
   RESPONSIVE - MOBILE
   =========================== */
@media (max-width: 767px) {
  .section {
    padding: 2.5rem 0;
  }

  .hero-section {
    min-height: 60vh;
  }

  .hero-content {
    padding: 1rem;
  }

  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
  }

  .section-title {
    margin-bottom: 2rem;
  }

  .project-card {
    height: 250px;
    margin-bottom: 1rem;
  }

  .service-item {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .team-member-image img {
    height: 300px;
  }

  .contact-info {
    padding: 2rem 1.5rem;
  }

  .footer {
    padding: 3rem 0 1.5rem;
  }

  .footer .col-md-3,
  .footer .col-md-4 {
    margin-bottom: 2rem;
  }

  .scroll-to-top {
    width: 45px;
    height: 45px;
    bottom: 20px;
    right: 20px;
    font-size: 1.25rem;
  }
}

/* ===========================
   RESPONSIVE - SMALL MOBILE
   =========================== */
@media (max-width: 575px) {
  :root {
    font-size: 14px;
  }

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

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

  .section {
    padding: 2rem 0;
  }

  .project-overlay {
    padding: 1rem;
  }

  .testimonial-card {
    padding: 1.5rem;
  }

  .testimonial-card::before {
    font-size: 4rem;
    top: -10px;
    left: 10px;
  }
}

/* ===========================
   PRINT STYLES
   =========================== */
@media print {
  .navbar,
  .footer,
  .scroll-to-top,
  .btn {
    display: none;
  }

  body {
    color: black;
    background: white;
  }

  .section {
    page-break-inside: avoid;
  }
}