/* ============================================
   Elegant Wallpaper Installation — Main Styles
   ============================================ */

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

:root {
  --primary: #1E3A5F;
  --primary-light: #2F4A6B;
  --light-bg: #F1F5F9;
  --text-dark: #1E293B;
  --text-light: #FFFFFF;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --font-main: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-heading: 'Poppins', 'Segoe UI', Arial, sans-serif;
  --max-w: 1200px;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --transition: .3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); color: var(--text-dark); line-height: 1.7; background: #fff; }

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

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

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--primary); }
h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.85rem; margin-bottom: .75rem; }
h3 { font-size: 1.35rem; margin-bottom: .5rem; }
p { margin-bottom: 1rem; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent);
  color: var(--text-light);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--text-light);
  box-shadow: 0 4px 16px rgba(59,130,246,.35);
}
.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--text-light);
}
.btn-outline:hover {
  background: var(--text-light);
  color: var(--primary);
}
.btn-dark {
  background: var(--primary);
  color: var(--text-light);
}
.btn-dark:hover {
  background: var(--primary-light);
  color: var(--text-light);
  box-shadow: 0 4px 16px rgba(30,58,95,.35);
}

/* --- Header --- */
.site-header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: .875rem;
}
.header-top a { color: var(--text-light); }
.header-top a:hover { color: var(--accent); }
.header-contact-info {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header-contact-info svg {
  width: 16px;
  height: 16px;
  fill: var(--accent);
  flex-shrink: 0;
  vertical-align: middle;
  margin-right: 6px;
}
.header-contact-info a {
  display: flex;
  align-items: center;
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.logo a {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: .5px;
}
.logo a:hover { color: var(--accent); }

/* --- Desktop Navigation --- */
.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav > li { list-style: none; position: relative; }
.main-nav > li > a {
  display: block;
  padding: 10px 16px;
  color: var(--text-light);
  font-weight: 500;
  font-size: .95rem;
  transition: color var(--transition), background var(--transition);
  border-radius: var(--radius);
}
.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--accent);
  background: rgba(255,255,255,.06);
}

/* --- Dropdown --- */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 260px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
  z-index: 100;
  padding: 8px 0;
}
.main-nav > li:hover > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li { list-style: none; }
.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  color: var(--text-dark);
  font-size: .9rem;
  transition: background var(--transition), color var(--transition);
}
.dropdown-menu li a:hover {
  background: var(--light-bg);
  color: var(--accent);
}
/* Staggered animation for dropdown items */
.main-nav > li:hover > .dropdown-menu li {
  animation: dropdownFadeIn .3s ease forwards;
  opacity: 0;
}
.main-nav > li:hover > .dropdown-menu li:nth-child(1) { animation-delay: .03s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(2) { animation-delay: .06s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(3) { animation-delay: .09s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(4) { animation-delay: .12s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(5) { animation-delay: .15s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(6) { animation-delay: .18s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(7) { animation-delay: .21s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(8) { animation-delay: .24s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(9) { animation-delay: .27s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(10) { animation-delay: .30s; }
.main-nav > li:hover > .dropdown-menu li:nth-child(11) { animation-delay: .33s; }

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Mobile Menu Toggle --- */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--text-light);
  margin: 5px 0;
  border-radius: 2px;
  transition: all .3s ease;
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* --- Mobile Nav Overlay --- */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 50%;
  height: 100vh;
  background: var(--primary);
  z-index: 1050;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .35s ease;
  padding: 70px 24px 30px;
}
.mobile-nav-overlay.open {
  transform: translateX(0);
}
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,.5);
  z-index: 1040;
  opacity: 0;
  transition: opacity .35s ease;
}
.mobile-nav-backdrop.open {
  opacity: 1;
}
.mobile-nav-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1060;
  padding: 8px;
}
.mobile-nav-close svg {
  width: 28px;
  height: 28px;
  stroke: var(--text-light);
}
.mobile-nav-list {
  list-style: none;
  padding: 0;
}
.mobile-nav-list > li {
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-nav-list > li > a {
  display: block;
  padding: 14px 0;
  color: var(--text-light);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
}
.mobile-nav-list > li > a:hover { color: var(--accent); }
.mobile-sub-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 14px 0;
  color: var(--text-light);
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-main);
}
.mobile-sub-toggle svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-light);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.mobile-sub-toggle.open svg { transform: rotate(180deg); }
.mobile-submenu {
  list-style: none;
  padding: 0 0 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.mobile-submenu.open { max-height: 600px; }
.mobile-submenu li a {
  display: block;
  padding: 10px 0;
  color: rgba(255,255,255,.8);
  font-size: .95rem;
  text-align: left;
}
.mobile-submenu li a:hover { color: var(--accent); }

/* --- Hero Section --- */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 600px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,58,95,.88) 0%, rgba(47,74,107,.7) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  width: 100%;
}
.hero-text { color: var(--text-light); }
.hero-text h1 { color: var(--text-light); font-size: 2.75rem; margin-bottom: .5rem; }
.hero-text p { font-size: 1.15rem; opacity: .92; margin-bottom: 1.5rem; }
.hero-text .hero-phone {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
}
.hero-text .hero-phone svg {
  width: 22px;
  height: 22px;
  fill: var(--accent);
}

/* --- Sections --- */
.section { padding: 70px 0; }
.section-dark { background: var(--primary); color: var(--text-light); }
.section-dark h2, .section-dark h3 { color: var(--text-light); }
.section-light { background: var(--light-bg); }
.section-white { background: #fff; }

.section-header { text-align: center; margin-bottom: 40px; }
.section-header p { max-width: 700px; margin: 0 auto; color: #64748b; font-size: 1.05rem; }

/* --- Grid Layouts --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Cards --- */
.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.card-body { padding: 24px; }
.card-body h3 a { color: var(--primary); }
.card-body h3 a:hover { color: var(--accent); }

/* --- Service Card --- */
.service-card .card-body { text-align: center; }
.service-card .card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--light-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card .card-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

/* --- Location Cards --- */
.location-card { text-align: center; }
.location-card .card-body { padding: 20px; }

/* --- CTA Blocks --- */
.cta-block {
  background: var(--primary);
  color: var(--text-light);
  padding: 50px 40px;
  border-radius: var(--radius);
  text-align: center;
  margin: 40px 0;
}
.cta-block h2, .cta-block h3 { color: var(--text-light); margin-bottom: .5rem; }
.cta-block p { opacity: .9; margin-bottom: 1.5rem; }
.cta-block .cta-phone {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

/* --- Contact Form --- */
.feedback-form-container {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  max-width: 520px;
}
.feedback-form-container h3 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.contact-form .form-group { margin-bottom: 12px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #d1d5db;
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: var(--font-main);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: #f9fafb;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
  background: #fff;
}
.contact-form textarea { min-height: 100px; resize: vertical; }
.submit-btn {
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.submit-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px rgba(59,130,246,.35);
}
#form-success {
  text-align: center;
  padding: 30px;
}
#form-success p {
  color: #22c55e;
  font-weight: 600;
  font-size: 1.1rem;
}

/* --- Map --- */
.map-container {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.map-container iframe {
  width: 100%;
  height: 400px;
  border: 0;
}

/* --- Content Blocks --- */
.content-with-image {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.content-with-image.reverse { direction: rtl; }
.content-with-image.reverse > * { direction: ltr; }
.content-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 350px;
  object-fit: cover;
}

/* --- Lists --- */
.check-list { list-style: none; padding: 0; }
.check-list li {
  padding: 8px 0 8px 32px;
  position: relative;
  line-height: 1.6;
}
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

.numbered-list { padding-left: 20px; }
.numbered-list li { padding: 6px 0; line-height: 1.6; }

/* --- FAQ --- */
.faq-item {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  font-family: var(--font-main);
  transition: background var(--transition);
}
.faq-question:hover { background: var(--light-bg); }
.faq-question svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  transition: transform .3s ease;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-question.open svg { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 24px 18px;
  color: #475569;
  line-height: 1.7;
}

/* --- Footer --- */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,.85);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1.1rem;
}
.footer-col p { font-size: .9rem; line-height: 1.7; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: .9rem;
}
.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  fill: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
}

/* --- Sticky Quote Button --- */
.sticky-quote-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  padding: 16px 28px;
  background: var(--accent);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(59,130,246,.4);
  transition: all var(--transition);
}
.sticky-quote-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 28px rgba(59,130,246,.5);
  transform: translateY(-2px);
}

/* --- Modal --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: #fff;
  border-radius: var(--radius);
  padding: 0;
  max-width: 560px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn .3s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.95); }
  to   { opacity: 1; transform: scale(1); }
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
  padding: 4px;
}
.modal-close svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-dark);
}
.modal-content .feedback-form-container {
  box-shadow: none;
  max-width: 100%;
}

/* --- Page Header (inner pages) --- */
.page-header {
  background: var(--primary);
  padding: 60px 0 50px;
  text-align: center;
}
.page-header h1 { color: var(--text-light); margin-bottom: .5rem; }
.page-header p { color: rgba(255,255,255,.8); font-size: 1.1rem; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: .875rem;
}
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: rgba(255,255,255,.5); }

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--light-bg);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.contact-info-card .icon-circle {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-card .icon-circle svg {
  width: 22px;
  height: 22px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
}
.contact-info-card h3 { font-size: 1rem; margin-bottom: 4px; }
.contact-info-card p { margin-bottom: 0; color: #475569; font-size: .95rem; }
.contact-info-card a { color: var(--accent); }

/* --- About Page --- */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--light-bg);
  border-radius: var(--radius);
}
.value-card .icon-circle {
  width: 64px;
  height: 64px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.value-card .icon-circle svg {
  width: 30px;
  height: 30px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
}

/* --- Neighborhoods --- */
.neighborhoods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.neighborhood-tag {
  background: var(--light-bg);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: .9rem;
  text-align: center;
  color: var(--text-dark);
  border: 1px solid #e2e8f0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-text { text-align: center; }
  .hero-text h1 { font-size: 2.2rem; }
  .feedback-form-container { margin: 0 auto; }
  .content-with-image { grid-template-columns: 1fr; }
  .content-with-image.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .section { padding: 50px 0; }
  
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav-overlay,
  .mobile-nav-backdrop { display: block; }
  
  .header-top { flex-direction: column; gap: 4px; text-align: center; }
  .header-contact-info { justify-content: center; }
  
  .hero { min-height: 500px; }
  .hero-text h1 { font-size: 1.85rem; }
  
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  
  .contact-form .form-row { grid-template-columns: 1fr; }
  
  .sticky-quote-btn {
    right: 50%;
    transform: translateX(50%);
    bottom: 16px;
  }
  .sticky-quote-btn:hover { transform: translateX(50%) translateY(-2px); }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.65rem; }
  .hero { min-height: 450px; }
  .cta-block { padding: 30px 20px; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* --- Error message for form --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}