/* ================================================
   Teknik Oto Bakim — styles.css
   Cool Tech Garage + Airflow aesthetic
   ================================================ */

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

:root {
  --color-bg: #0c0f14;
  --color-bg-alt: #131720;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-surface-hover: rgba(255, 255, 255, 0.07);
  --color-glass: rgba(255, 255, 255, 0.06);
  --color-glass-border: rgba(255, 255, 255, 0.1);
  --color-text: #d4d8e0;
  --color-text-muted: #8a90a0;
  --color-text-bright: #eef0f4;
  --color-accent: #3ea8c4;
  --color-accent-glow: rgba(62, 168, 196, 0.15);
  --color-accent-hover: #4fc0dc;
  --color-electric: #5b8af5;
  --color-warm: #e8a040;
  --color-danger: #d05050;
  --color-success: #40b880;
  --color-line: rgba(255, 255, 255, 0.06);
  --font-main: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", monospace;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.3);
  --transition: 0.25s ease;
  --max-w: 1140px;
}

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

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  top: 16px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  color: var(--color-text-bright);
  line-height: 1.3;
  font-weight: 600;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-accent-hover); }
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}
.section--alt {
  background: var(--color-bg-alt);
}

/* --- Glass Panel --- */
.glass {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(12, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.header__logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-bright);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.header__logo:hover { color: var(--color-accent); }
.header__logo svg {
  width: 28px;
  height: 28px;
}

/* Nav */
.nav { display: flex; align-items: center; gap: 8px; }
.nav__link {
  color: var(--color-text-muted);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}
.nav__link:hover,
.nav__link--active {
  color: var(--color-text-bright);
  background: var(--color-surface);
}
.nav__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
  position: relative;
  width: 40px;
  height: 40px;
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
}
.nav-toggle svg { width: 24px; height: 24px; }
.nav-toggle .nav-toggle__hamburger,
.nav-toggle .nav-toggle__close {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.nav-toggle .nav-toggle__close {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-45deg);
}
.nav-toggle--active .nav-toggle__hamburger {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(45deg);
}
.nav-toggle--active .nav-toggle__close {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-line);
    gap: 4px;
  }
  .nav--open { display: flex; }
  .nav__link { width: 100%; padding: 12px 14px; }
}

/* --- Hero --- */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 16px auto 0;
}
.hero__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-glass-border);
}
.btn--outline:hover {
  background: var(--color-surface);
  color: var(--color-accent-hover);
}
.btn--small {
  padding: 8px 18px;
  font-size: 0.85rem;
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding: 8px 16px;
}
.btn--ghost:hover {
  color: var(--color-text-bright);
  background: var(--color-surface);
}

/* --- Cards Grid --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  padding: 32px;
  transition: all var(--transition);
}
.card:hover {
  border-color: rgba(62, 168, 196, 0.25);
  transform: translateY(-2px);
}
.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--color-accent);
}
.card__title {
  margin-bottom: 12px;
}
.card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.card__price {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.95rem;
}
.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- Symptom Selector (Home) --- */
.symptom-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}
.symptom-btn {
  padding: 10px 22px;
  border-radius: 40px;
  border: 1px solid var(--color-glass-border);
  background: var(--color-glass);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}
.symptom-btn:hover,
.symptom-btn[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
  color: var(--color-text-bright);
}
.symptom-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.symptom-result {
  margin-top: 32px;
  padding: 28px;
  display: none;
  animation: fadeUp 0.3s ease;
}
.symptom-result--visible { display: block; }

/* --- Price Table --- */
.price-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-glass-border);
}
.price-table th,
.price-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}
.price-table th {
  background: var(--color-glass);
  color: var(--color-text-bright);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.price-table td {
  background: var(--color-bg-alt);
  font-size: 0.95rem;
}
.price-table tr:last-child td { border-bottom: none; }
.price-table tr:hover td { background: var(--color-surface-hover); }
.price-table .price-range {
  font-family: var(--font-mono);
  color: var(--color-accent);
  white-space: nowrap;
}

/* --- FAQ Accordion --- */
.faq-list { list-style: none; }
.faq-item {
  border-bottom: 1px solid var(--color-line);
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text-bright);
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-main);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--color-accent); }
.faq-question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 3px;
}
.faq-question__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item--active .faq-question__icon { transform: rotate(45deg); }
.faq-answer-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq-item--active .faq-answer-wrap {
  grid-template-rows: 1fr;
}
.faq-answer {
  overflow: hidden;
  min-height: 0;
  color: var(--color-text-muted);
  line-height: 1.8;
}
.faq-answer > p {
  padding-bottom: 20px;
}

/* --- Contact Form --- */
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}
.form-label--required::after {
  content: " *";
  color: var(--color-danger);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius);
  color: var(--color-text-bright);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}
.form-textarea {
  min-height: 140px;
  resize: vertical;
}
.form-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.form-consent input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}
.form-message {
  margin-top: 16px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: none;
}
.form-message--success {
  background: rgba(64, 184, 128, 0.1);
  border: 1px solid rgba(64, 184, 128, 0.3);
  color: var(--color-success);
  display: block;
}
.form-message--error {
  background: rgba(208, 80, 80, 0.1);
  border: 1px solid rgba(208, 80, 80, 0.3);
  color: var(--color-danger);
  display: block;
}
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-line);
  padding: 48px 0 32px;
  background: var(--color-bg-alt);
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}
.footer__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-bright);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer__links { list-style: none; }
.footer__links li { margin-bottom: 8px; }
.footer__links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.footer__links a:hover { color: var(--color-text-bright); }
.footer__bottom {
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(19, 23, 32, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-glass-border);
  padding: 24px;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.cookie-banner--visible {
  transform: translateY(0);
}
.cookie-banner__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.cookie-banner__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}
.cookie-banner__text a { text-decoration: underline; }
.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.cookie-banner__settings {
  margin-top: 16px;
  display: none;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}
.cookie-banner__settings--open { display: block; }
.cookie-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  font-size: 0.9rem;
}
.cookie-option__label {
  color: var(--color-text);
}
.cookie-option__label--muted {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle__slider {
  position: absolute;
  inset: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-glass-border);
  border-radius: 24px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle__slider::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}
.toggle input:checked + .toggle__slider {
  background: var(--color-accent-glow);
  border-color: var(--color-accent);
}
.toggle input:checked + .toggle__slider::before {
  transform: translateX(20px);
  background: var(--color-accent);
}
.toggle input:disabled + .toggle__slider {
  opacity: 0.5;
  cursor: not-allowed;
}
.toggle input:focus-visible + .toggle__slider {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.breadcrumb a {
  color: var(--color-text-muted);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { margin: 0 8px; opacity: 0.4; }

/* --- Disclaimer --- */
.disclaimer {
  margin-top: 24px;
  padding: 16px 20px;
  border-left: 3px solid var(--color-warm);
  background: rgba(232, 160, 64, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* --- SVG Decorations --- */
.deco-line {
  position: absolute;
  pointer-events: none;
  opacity: 0.08;
}

/* --- Airflow Background --- */
.airflow-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.06;
}
.airflow-bg svg {
  width: 100%;
  height: 100%;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header p {
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 12px auto 0;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

/* --- Contact Info --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 500px) {
  .contact-items { grid-template-columns: 1fr; }
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.contact-item:hover {
  border-color: rgba(62, 168, 196, 0.25);
  transform: translateY(-2px);
}
.contact-item__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-accent-glow);
  flex-shrink: 0;
}
.contact-item__icon {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.contact-item__text {
  font-size: 0.95rem;
}
.contact-item__text strong {
  display: block;
  margin-bottom: 2px;
  color: var(--color-text-bright);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- Page Header --- */
.page-header {
  padding: 48px 0 32px;
  text-align: center;
}
.page-header p {
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 12px auto 0;
}

/* --- Legal Pages --- */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 60px;
}
.legal-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  font-size: 1.3rem;
}
.legal-content h3 {
  margin-top: 28px;
  margin-bottom: 12px;
}
.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  line-height: 1.8;
}
.legal-content ul {
  margin: 12px 0 12px 24px;
}
.legal-content li {
  margin-bottom: 6px;
}

/* --- 404 --- */
.error-page {
  text-align: center;
  padding: 120px 0;
}
.error-page__code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  color: var(--color-glass-border);
  line-height: 1;
}
.error-page__text {
  margin: 16px 0 32px;
  color: var(--color-text-muted);
}

/* --- Symptom / Service Content --- */
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.symptom-card {
  padding: 28px;
}
.symptom-card__indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}
.symptom-card__indicator--warn { background: var(--color-warm); }
.symptom-card__indicator--danger { background: var(--color-danger); }
.symptom-card__indicator--info { background: var(--color-accent); }

/* --- Sitemap Page --- */
.sitemap-list {
  list-style: none;
  columns: 2;
  column-gap: 40px;
}
@media (max-width: 500px) { .sitemap-list { columns: 1; } }
.sitemap-list li {
  margin-bottom: 12px;
  break-inside: avoid;
}
.sitemap-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* --- Price Filter --- */
.price-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  justify-content: center;
}
.price-filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--color-glass-border);
  background: var(--color-glass);
  border-radius: 40px;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
}
.price-filter-btn:hover,
.price-filter-btn--active {
  border-color: var(--color-accent);
  color: var(--color-text-bright);
  background: var(--color-accent-glow);
}
.price-filter-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in {
    opacity: 1;
    transform: none;
  }
  .cookie-banner {
    transition: none;
  }
}

/* --- Content Image + Text --- */
.content-with-image {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  margin: 40px 0;
}
.content-with-image--reverse {
  direction: rtl;
}
.content-with-image--reverse > * {
  direction: ltr;
}
.content-with-image__img {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}
@media (max-width: 700px) {
  .content-with-image {
    grid-template-columns: 1fr;
  }
  .content-with-image--reverse {
    direction: ltr;
  }
  .content-with-image__img {
    max-width: 100%;
  }
}

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}