/* ============================================================================
   Steve Gartland Ltd - SVP Logistics Inspired Design
   Navy Blue & Red Theme
   ============================================================================ */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */
:root {
  /* Typography */
  --font-primary: 'Poppins', 'Segoe UI', sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  --font-body: 'Open Sans', system-ui, sans-serif;

  /* Color Palette - SVP Style */
  --color-primary: #1a237e;
  --color-primary-dark: #0d1442;
  --color-primary-light: #283593;
  --color-accent: #e53935;
  --color-accent-dark: #c62828;
  
  --color-white: #ffffff;
  --color-bg-light: #f5f5f5;
  --color-bg-gray: #eeeeee;
  
  --color-text-dark: #333333;
  --color-text-gray: #666666;
  --color-text-light: #999999;
  
  /* Spacing */
  --space-xs: 5px;
  --space-sm: 10px;
  --space-md: 15px;
  --space-lg: 20px;
  --space-xl: 30px;
  --space-2xl: 40px;
  --space-3xl: 60px;
  --space-4xl: 80px;

  /* Shadows */
  --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
  --shadow-md: 0 5px 15px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;

  scroll-behavior: smooth;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--color-white);
  color: var(--color-text-dark);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.3;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ==========================================================================
   Top Bar
   ========================================================================== */
.top-bar {
  background: var(--color-primary);
  padding: var(--space-sm) 0;
  color: var(--color-white);
  font-size: 0.85rem;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  gap: var(--space-md);
}

.top-bar-left a {
  color: var(--color-white);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  transition: var(--transition-fast);
}

.top-bar-left a:hover {
  background: var(--color-accent);
}

.top-bar-right {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.top-bar-right a {
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.top-bar-right a:hover {
  color: var(--color-accent);
}

.top-bar-right i {
  font-size: 1rem;
}

@media (max-width: 768px) {
  .top-bar-left {
    display: none;
  }
  .top-bar-right {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  background: var(--color-white);
  padding: var(--space-md) 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header .logo img {
  height: 60px;
  width: auto;
}

/* Navigation */
.navbar {
  display: flex;
  align-items: center;
}

.navbar ul {
  display: flex;
  gap: 0;
}

.navbar ul li a {
  display: block;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-dark);
  transition: var(--transition-fast);
}

.navbar ul li a:hover,
.navbar ul li a.active {
  color: var(--color-white);
  background: var(--color-accent);
}

.navbar ul li a.nav-contact {
  background: var(--color-primary);
  color: var(--color-white);
}

.navbar ul li a.nav-contact:hover {
  background: var(--color-accent);
}

/* Dropdown */
.navbar .dropdown {
  position: relative;
}

.navbar .dropdown > a {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.navbar .dropdown > a::after {
  content: '\f107';
  font-family: 'bootstrap-icons';
  font-size: 0.75rem;
}

.navbar .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  min-width: 220px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-fast);
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.navbar .dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar .dropdown-menu li a {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-bg-gray);
  font-size: 0.9rem;
}

.navbar .dropdown-menu li:last-child a {
  border-bottom: none;
}

.navbar .dropdown-menu li a:hover {
  background: var(--color-bg-light);
  color: var(--color-accent);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  font-size: 1.75rem;
  color: var(--color-primary);
  cursor: pointer;
}

@media (max-width: 992px) {
  .mobile-nav-toggle {
    display: block;
  }

  .navbar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 2000;
  }

  .navbar.active {
    right: 0;
  }

  .navbar ul {
    flex-direction: column;
    padding-top: 80px;
  }

  .navbar ul li a {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-bg-gray);
  }

  .navbar .dropdown-menu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .navbar .dropdown.active .dropdown-menu {
    display: block;
  }

  .navbar .dropdown-menu li a {
    padding-left: var(--space-2xl);
    background: var(--color-bg-light);
  }

  .mobile-nav-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 1.5rem;
    cursor: pointer;
  }
}

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

/* ==========================================================================
   Hero Banner
   ========================================================================== */
.hero-banner {
  position: relative;
  height: 400px;
  background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 35, 126, 0.85), rgba(13, 20, 66, 0.9));
}

.hero-banner1::before {
  content: '';
  position: absolute;
  inset: 0;
  background: none !important;  
}

.hero-banner .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
}

.hero-banner h1 {
  font-family: var(--font-secondary);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero-banner .breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.95rem;
}

.hero-banner .breadcrumb a {
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.hero-banner .breadcrumb a:hover {
  text-decoration: underline;
}

.hero-banner .breadcrumb span {
  color: rgba(255,255,255,0.7);
}

.hero-banner .breadcrumb-divider {
  color: rgba(255,255,255,0.5);
}

/* Home Hero - Larger */
.hero-home {
  height: 500px;
}

.hero-home h1 {
  font-size: 3.5rem;
  max-width: 800px;
}

.hero-home p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  opacity: 0.9;
}

.hero-home .btn-hero {
  display: inline-block;
  padding: var(--space-md) var(--space-2xl);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.hero-home .btn-hero:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .hero-banner h1 {
    font-size: 2rem;
  }
  .hero-home h1 {
    font-size: 2.5rem;
  }
}

/* ==========================================================================
   Section Styles
   ========================================================================== */
.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title h2 {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.section-title p {
  color: var(--color-text-gray);
  max-width: 600px;
  margin: var(--space-lg) auto 0;
}

/* ==========================================================================
   About Section (Home)
   ========================================================================== */
.about-home {
  background: var(--color-white);
}

.about-home .about-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-home .about-text p {
  color: var(--color-text-gray);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about-home .about-text .highlight {
  color: var(--color-accent);
  font-weight: 600;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.about-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.about-item i {
  font-size: 2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-item h4 {
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.about-item p {
  color: var(--color-text-gray);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-section {
  background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat fixed;
  position: relative;
}

.services-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245, 245, 245, 0.92);
}

.services-section .container {
  position: relative;
  z-index: 1;
}

.services-section .section-title h2 {
  color: var(--color-accent);
}

.category-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.category-title h3 {
  font-size: 1.5rem;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}

.category-title h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.service-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  cursor: pointer;
}

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

.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-normal);
}

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

.service-card .service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(26, 35, 126, 0.95));
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
}

.service-card h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 600;
}

.service-card .service-icon {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 45px;
  height: 45px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--transition-normal);
}

.service-card:hover .service-icon {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: var(--space-2xl) 0;
}

.cta-banner .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
}

.cta-banner h3 {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  color: var(--color-white);
  font-style: italic;
}

.cta-banner .btn-cta {
  display: inline-block;
  padding: var(--space-md) var(--space-2xl);
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
  font-weight: 600;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.cta-banner .btn-cta:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

@media (max-width: 768px) {
  .cta-banner .container {
    flex-direction: column;
    text-align: center;
  }
  .cta-banner h3 {
    font-size: 1.4rem;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-4xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer h4 {
  font-family: var(--font-secondary);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-white);
  margin-bottom: var(--space-xl);
  position: relative;
  padding-bottom: var(--space-md);
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-accent);
}

/* Location */
.footer-location .location-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer-location .location-item i {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-location .location-item p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.8);
}

/* Quick Links */
.footer-links ul li {
  margin-bottom: var(--space-sm);
}

.footer-links ul li a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links ul li a:hover {
  color: var(--color-accent);
  padding-left: var(--space-sm);
}

/* Quick Enquiry Form */
.footer-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.footer-form input,
.footer-form textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-form input::placeholder,
.footer-form textarea::placeholder {
  color: rgba(255,255,255,0.5);
}

.footer-form input:focus,
.footer-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.15);
}

.footer-form textarea {
  min-height: 80px;
  resize: vertical;
}

.footer-form .btn-submit {
  display: inline-block;
  padding: var(--space-md) var(--space-2xl);
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  margin-top: var(--space-sm);
}

.footer-form .btn-submit:hover {
  background: var(--color-accent-dark);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.footer-bottom a {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  border-radius: 4px;
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-accent);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer h4::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .footer-location .location-item {
    justify-content: center;
  }
  .footer-form .form-row {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }
}

/* ==========================================================================
   Service Detail Page
   ========================================================================== */
.service-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.service-tabs a {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-white);
  color: var(--color-text-dark);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.service-tabs a:hover,
.service-tabs a.active {
  background: var(--color-accent);
  color: var(--color-white);
}

.service-detail {
  padding: var(--space-4xl) 0;
  background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat fixed;
  position: relative;
}

.service-detail::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
}

.service-detail .container {
  position: relative;
  z-index: 1;
}

.service-detail .service-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.service-detail .service-title h2 {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.service-detail .service-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.service-detail .service-content {
  max-width: 900px;
  margin: 0 auto;
}

.service-detail .service-content p {
  color: var(--color-text-gray);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.service-detail .service-content .highlight {
  color: var(--color-accent);
  font-weight: 600;
}

.service-detail .assist-section {
  margin-top: var(--space-2xl);
}

.service-detail .assist-section h3 {
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.assist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.assist-grid li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-gray);
  font-size: 0.95rem;
}

.assist-grid li::before {
  content: '•';
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.2rem;
  line-height: 1;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .assist-grid {
    grid-template-columns: 1fr;
  }
  .service-detail .service-title h2 {
    font-size: 2rem;
  }
}

/* ==========================================================================
   About Page
   ========================================================================== */
.about-page .profile-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-page .profile-content p {
  color: var(--color-text-gray);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about-page .profile-content .highlight {
  color: var(--color-accent);
  font-weight: 600;
}

.about-page .about-features {
  margin-top: var(--space-3xl);
}

.about-page .about-features .feature-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  margin-bottom: var(--space-2xl);
  text-align: left;
}

.about-page .about-features .feature-icon {
  width: 60px;
  height: 60px;
  background: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-page .about-features .feature-icon i {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.about-page .about-features h4 {
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.about-page .about-features p {
  color: var(--color-text-gray);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* ==========================================================================
   Contact Page
   ========================================================================== */
.contact-section {
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
}

.contact-info h3 {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  color: var(--color-primary);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

.contact-info .info-item {
  margin-bottom: var(--space-lg);
}

.contact-info .info-item p {
  color: var(--color-text-gray);
  line-height: 1.7;
}

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

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

.contact-form {
  background: var(--color-bg-light);
  padding: var(--space-2xl);
}

.contact-form h3 {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  color: var(--color-primary);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-bg-gray);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
  margin-bottom: var(--space-md);
}

.contact-form .btn-submit {
  display: inline-block;
  padding: var(--space-md) var(--space-3xl);
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
  text-transform: uppercase;
}

.contact-form .btn-submit:hover {
  background: var(--color-primary);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .contact-form .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.bg-light { background: var(--color-bg-light); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.py-4 { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 45px;
  height: 45px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: 999;
}

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

.scroll-top:hover {
  background: var(--color-accent);
}