/* ==========================================================================
   Mechavon Autoparts - Premium Dark Stylesheet
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette */
  --bg-darker: #09090b;       /* Extremely dark background (carbon black) */
  --bg-main: #0e0e11;         /* Main body dark obsidian */
  --bg-card: #15151b;         /* Secondary card/panel background */
  --bg-card-hover: #1c1c24;   /* Card hover color */
  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(255, 90, 0, 0.2);
  
  /* Brand Accents */
  --accent: #ff5a00;          /* High-octane Orange */
  --accent-rgb: 255, 90, 0;
  --accent-light: #ff7c33;
  --accent-dark: #cc4800;
  --metallic-silver: #a0a5b5;
  
  /* Typography Colors */
  --text-white: #ffffff;
  --text-muted: #8e92a2;
  --text-dark: #4b4f5d;

  /* Layout and Effects */
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(255, 90, 0, 0.3);
  --glass-bg: rgba(21, 21, 27, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-darker);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Custom Premium Scrollbar --- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: #252530;
  border: 2px solid var(--bg-darker);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* --- Global Utility Components --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

ul {
  list-style: none;
}

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

/* --- Button Typography & States --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2.2rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--text-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-white);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-white);
  transform: translateY(-2px);
}

/* --- Section Layouts --- */
section {
  padding: 8rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4.5rem auto;
}

.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 50%;
  height: 3px;
  background-color: var(--accent);
  margin: 0.75rem auto 0 auto;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background-color: rgba(9, 9, 11, 0.95);
  backdrop-filter: blur(15px);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.logo-wrapper {
  height: 48px;
  display: flex;
  align-items: center;
}

.site-logo {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.main-nav ul {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem;
  background-color: rgba(255, 90, 0, 0.1);
  border: 1px solid rgba(255, 90, 0, 0.25);
  border-radius: 4px;
  color: var(--accent-light);
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.btn-phone:hover {
  background-color: var(--accent);
  color: var(--text-white);
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(255, 90, 0, 0.2);
}

.phone-icon {
  width: 16px;
  height: 16px;
}

/* Mobile Toggle Hamburger */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle .bar {
  width: 100%;
  height: 2.5px;
  background-color: var(--text-white);
  border-radius: 10px;
  transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 10rem;
  padding-bottom: 8rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -1;
  transform: scale(1.02);
}

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

.hero-content {
  max-width: 750px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 2rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 15px var(--accent); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 2px;
  color: var(--text-white);
  margin-bottom: 1.8rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
}

/* Diagonal Divider styling */
.hero-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.hero-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

.hero-divider .shape-fill {
  fill: var(--bg-main);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section {
  background-color: var(--bg-main);
  position: relative;
  z-index: 5;
  padding-top: 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: -6rem; /* Overlap into Hero */
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  padding: 3rem 2.2rem;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  transition: var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before {
  background-color: var(--accent);
}

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  background-color: rgba(255, 90, 0, 0.05);
  border: 1px solid rgba(255, 90, 0, 0.15);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--text-white);
  transform: scale(1.05);
}

.feature-icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  color: var(--text-white);
}

.feature-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  background-color: var(--bg-darker);
}

.about-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
}

.about-highlight {
  font-size: 1.35rem;
  color: var(--text-white);
  font-weight: 600;
  margin-bottom: 1.5rem;
  line-height: 1.4;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}

.about-description {
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.5rem;
}

/* About visual frame mockup */
.about-visual {
  position: relative;
}

.visual-border-box {
  border: 2px solid rgba(255, 90, 0, 0.2);
  padding: 1.2rem;
  border-radius: 8px;
  position: relative;
}

.visual-border-box::after {
  content: '';
  position: absolute;
  top: -10px;
  right: -10px;
  width: 40px;
  height: 40px;
  border-top: 4px solid var(--accent);
  border-right: 4px solid var(--accent);
}

.visual-inner {
  height: 450px;
  background-size: cover;
  background-position: center;
  border-radius: 4px;
  filter: grayscale(40%) contrast(1.1);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Categories Section
   ========================================================================== */
.categories-section {
  background-color: var(--bg-main);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.category-card {
  height: 480px;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.category-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(14, 14, 17, 0.1) 20%, rgba(14, 14, 17, 0.85) 75%, #0e0e11 100%);
  transition: var(--transition);
}

.category-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 3rem 2.2rem;
  z-index: 2;
  transition: var(--transition);
}

.category-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.category-info h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  color: var(--text-white);
}

.category-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease;
}

.btn-category {
  padding: 0;
  background: transparent;
  color: var(--text-white);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  justify-content: flex-start;
  text-transform: uppercase;
}

/* Card hover animation triggers */
.category-card:hover .category-img {
  transform: scale(1.1);
}

.category-card:hover .category-overlay {
  background: linear-gradient(to bottom, rgba(14, 14, 17, 0.05) 10%, rgba(14, 14, 17, 0.92) 65%, #0e0e11 100%);
}

.category-card:hover .category-info {
  transform: translateY(-10px);
}

.category-card:hover .category-info p {
  max-height: 80px;
  opacity: 1;
  margin-top: 0.5rem;
}

.category-card:hover .btn-category {
  color: var(--accent-light);
}

/* ==========================================================================
   Contact & Location Maps
   ========================================================================== */
.contact-section {
  background-color: var(--bg-darker);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: stretch;
}

/* Form Styling */
.premium-form {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 3.5rem;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  height: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: #0b0b0d;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.1rem 1.3rem;
  color: var(--text-white);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #525560;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(255, 90, 0, 0.15);
  background-color: #0d0d10;
}

.btn-submit {
  width: 100%;
  padding: 1.1rem;
  gap: 0.8rem;
}

.submit-arrow {
  width: 18px;
  height: 18px;
  transition: var(--transition);
}

.btn-submit:hover .submit-arrow {
  transform: translateX(4px);
}

.form-feedback {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
  min-height: 24px;
}

.form-feedback.success {
  color: #10b981;
}

.form-feedback.error {
  color: #ef4444;
}

/* Map Wrapper with Dark Filter trick */
.map-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.map-container {
  flex-grow: 1;
  min-height: 380px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  /* The Premium Dark Filter Magic */
  filter: invert(90%) hue-rotate(180deg) grayscale(30%) opacity(0.85);
  transition: var(--transition);
}

.map-container:hover {
  filter: invert(90%) hue-rotate(180deg) grayscale(0%) opacity(0.95);
}

.location-details {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2.2rem;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.detail-icon {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.detail-item h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  color: var(--text-white);
}

.detail-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==========================================================================
   Footer (Aligned as Rows)
   ========================================================================== */
.site-footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 6rem 0 3rem 0;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* Row 1: Vertical Footer Columns */
.footer-columns-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.footer-logo-wrapper {
  height: 40px;
  display: flex;
  align-items: center;
}

.footer-logo {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.brand-pitch {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.col-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-white);
  position: relative;
  padding-bottom: 0.75rem;
}

.col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-list li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.95rem;
}

.info-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
}

.info-val {
  color: var(--text-muted);
}

.info-val a:hover {
  color: var(--accent-light);
}

.newsletter-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-newsletter-form {
  display: flex;
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-newsletter-form input {
  flex-grow: 1;
  background-color: #0b0b0d;
  border: none;
  padding: 0.8rem 1rem;
  color: var(--text-white);
  font-size: 0.9rem;
}

.footer-newsletter-form input:focus {
  outline: none;
}

.btn-newsletter {
  padding: 0 1.5rem;
  border-radius: 0;
}

.newsletter-feedback {
  font-size: 0.85rem;
  min-height: 18px;
}

.newsletter-feedback.success {
  color: #10b981;
}

.newsletter-feedback.error {
  color: #ef4444;
}

/* Horizontal dividing rule */
.footer-divider {
  border: none;
  height: 1px;
  background-color: var(--border-color);
  margin: 0;
}

/* Row 2: Bottom Bar */
.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dark);
  font-size: 0.85rem;
}

.hosting-credit a {
  color: var(--text-muted);
  font-weight: 500;
}

.hosting-credit a:hover {
  color: var(--accent-light);
}

/* ==========================================================================
   Scroll Reveal Animations (Intersection Observer)
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Hero elements staggered animations */
.fade-in-element {
  opacity: 0;
  transform: translateY(20px);
  animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-content > .fade-in-element:nth-child(1) { animation-delay: 0.2s; }
.hero-content > .fade-in-element:nth-child(2) { animation-delay: 0.4s; }
.hero-content > .fade-in-element:nth-child(3) { animation-delay: 0.6s; }
.hero-content > .fade-in-element:nth-child(4) { animation-delay: 0.8s; }

@keyframes slideUpFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

/* Tablet & Smaller Laptops (1024px) */
@media (max-width: 1024px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .about-visual {
    order: -1; /* Display visual on top on tablets */
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-columns-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

/* Mobile & Small Tablet (768px) */
@media (max-width: 768px) {
  section {
    padding: 6rem 0;
  }
  .section-title {
    font-size: 2rem;
  }
  
  /* Mobile Sticky Nav */
  .mobile-menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-darker);
    border-left: 1px solid var(--border-color);
    padding: 7rem 2.5rem 3rem 2.5rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
  }
  
  .main-nav.open {
    right: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 2rem;
  }
  
  /* Nav hamburger transitions */
  .mobile-menu-toggle.active .bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }
  .mobile-menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .header-cta .btn-phone span {
    display: none; /* Hide phone number text, keep icon */
  }
  .header-cta .btn-phone {
    padding: 0.6rem;
  }
  
  /* Hero styling for mobile */
  .hero-title {
    font-size: 2.8rem;
  }
  .hero-actions {
    flex-direction: column;
    gap: 1rem;
  }
  
  /* Grids to single columns */
  .features-grid {
    grid-template-columns: 1fr;
    margin-top: -3rem;
    gap: 1.5rem;
  }
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .category-card {
    height: 380px;
  }
  
  .premium-form {
    padding: 2.2rem 1.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* Small Mobile Devices (480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }
  .about-highlight {
    font-size: 1.2rem;
  }
  .footer-columns-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom-row {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}