/* ============================================================
   Vámonos Marketing Site - style.css
   Brand tokens from marketing-site-brief.md §5.2 (exact values)
   Hard rules: no gradients, no purple, paper page bg (#f6f4ef),
   Inter type, 16px card radius, soft shadows.
   ============================================================ */

:root {
  --brand: #d94f3d;
  --brand-dark: #b83e2e;
  --indigo: #2b3a67;
  --indigo-deep: #1e2947;
  --paper: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #faf8f3;
  --ink: #1f2430;
  --ink-soft: #6b7280;
  --line: #e7e2d8;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(31, 36, 48, 0.08);
  --shadow-md: 0 12px 28px rgba(31, 36, 48, 0.14);
  --transition: all 0.3s ease;
  --header-h: 80px;
  --header-h-scrolled: 72px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.25;
}

/* Anchor targets clear the fixed header */
section[id] {
  scroll-margin-top: 96px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.btn--primary {
  background-color: var(--brand);
  color: #ffffff;
}

.btn--primary:hover {
  background-color: var(--brand-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(31, 36, 48, 0.14);
}

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

.btn--secondary:hover {
  background-color: var(--indigo);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  background-color: transparent;
  transition: var(--transition);
}

.header--scrolled {
  height: var(--header-h-scrolled);
  background-color: var(--surface);
  box-shadow: 0 4px 14px rgba(31, 36, 48, 0.08);
}

.header__container {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header__logo:hover {
  opacity: 0.9;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--brand);
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
}

.nav__link {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav__link:hover {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.header__cta {
  padding: 12px 24px;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.nav__cta-item {
  display: none;
}

.header__cta-mobile {
  display: none;
}

.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.header__toggle-bar {
  width: 24px;
  height: 2px;
  background-color: var(--ink);
  border-radius: 2px;
  transition: var(--transition);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(31, 36, 48, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav__overlay.active {
  display: block;
  opacity: 1;
}

/* ---------- Sections ---------- */
.section {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  padding: 80px 0;
  background-color: var(--paper);
}

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

.section--dark {
  background-color: var(--indigo-deep);
}

.section__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 48px;
}

.section__subtitle {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.section__title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
  margin-bottom: 16px;
}

.section__description {
  font-size: 1.125rem;
  color: var(--ink-soft);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  background-color: var(--paper);
  padding: 160px 0 80px;
}

.hero__container {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 50%;
}

.hero__badge {
  display: inline-block;
  background-color: var(--surface-2);
  color: var(--indigo);
  border: 1px solid var(--line);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero__title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--ink);
  text-align: left;
  margin-bottom: 20px;
}

.hero__title-accent {
  color: var(--brand);
}

.hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--ink-soft);
  text-align: left;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero__cta-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero__note {
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.hero__visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 45%;
}

/* Phone mockup PLACEHOLDER (CSS-built, brand-token styled).
   Recommended replacement: a real device-framed screenshot of the
   app feed or itinerary from the owner (brief §10). */
.phone {
  width: 320px;
  background-color: var(--ink);
  border-radius: 40px;
  padding: 14px;
  box-shadow: 0 40px 80px rgba(31, 36, 48, 0.25);
}

.phone__screen {
  background-color: var(--paper);
  border-radius: 28px;
  overflow: hidden;
}

.phone__statusbar {
  height: 28px;
  background-color: var(--paper);
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone__notch {
  width: 96px;
  height: 8px;
  border-radius: 4px;
  background-color: var(--line);
}

.phone__appbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
}

.phone__appbar-mark {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--brand);
}

.phone__appbar-title {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--ink);
}

.phone__post {
  background-color: var(--surface);
  margin: 12px;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 4px 14px rgba(31, 36, 48, 0.08);
}

.phone__post-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.phone__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--indigo);
  color: #ffffff;
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone__avatar--alt {
  background-color: var(--brand);
}

.phone__meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.phone__meta-name {
  width: 90px;
  height: 7px;
  border-radius: 4px;
  background-color: var(--ink-soft);
  opacity: 0.55;
}

.phone__meta-sub {
  width: 60px;
  height: 6px;
  border-radius: 4px;
  background-color: var(--line);
}

.phone__photo {
  height: 110px;
  border-radius: 8px;
  background-color: var(--surface-2);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 0.6875rem;
  font-weight: 500;
  margin-bottom: 10px;
}

.phone__line {
  height: 7px;
  border-radius: 4px;
  background-color: var(--line);
  margin-bottom: 6px;
}

.phone__line--short {
  width: 60%;
}

.phone__actions {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.phone__actions i {
  color: var(--ink-soft);
}

.phone__actions .phone__like {
  color: var(--brand);
}

.phone__tabbar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 10px 0 14px;
  background-color: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.875rem;
}

.phone__tabbar .phone__tab-active {
  color: var(--brand);
}

/* ---------- Problem / Promise ---------- */
.promise__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.promise__problem {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: center;
}

.promise__promise {
  font-size: 1.5rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--indigo);
  text-align: center;
}

/* ---------- Process steps ---------- */
.process__grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 32px;
}

.process-step-wrapper {
  width: 31%;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px;
}

.process-step__number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--brand);
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 16px;
}

.process-step__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  text-align: center;
  margin-bottom: 8px;
}

.process-step__description {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------- Feature cards ---------- */
.features__grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.grid-item-wrapper {
  width: 31%;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(31, 36, 48, 0.14);
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  height: 100%;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 4px 14px rgba(31, 36, 48, 0.08);
  transition: var(--transition);
}

.feature-card__icon {
  font-size: 28px;
  color: var(--brand);
  margin-bottom: 4px;
}

.feature-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}

.feature-card__text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- Private by design (dark) ---------- */
.privacy__inner {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}

.privacy__content {
  width: 55%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.privacy__eyebrow {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.privacy__title {
  font-size: 2.25rem;
  font-weight: 700;
  color: #ffffff;
  text-align: left;
  margin-bottom: 16px;
}

.privacy__text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: #c9cfdd;
  text-align: left;
  margin-bottom: 24px;
}

.privacy__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.privacy__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  color: #e6e8ee;
}

.privacy__item i {
  color: var(--brand);
  font-size: 18px;
  margin-top: 4px;
}

.privacy__panel {
  width: 40%;
  background-color: var(--indigo);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.privacy__panel-icon {
  font-size: 48px;
  color: #ffffff;
}

.privacy__panel-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
}

.privacy__panel-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #c9cfdd;
  text-align: center;
}

/* ---------- Personas ---------- */
.personas__grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.persona-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(31, 36, 48, 0.14);
}

.persona-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  height: 100%;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 4px 14px rgba(31, 36, 48, 0.08);
  transition: var(--transition);
}

.persona-card__monogram {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--indigo);
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.persona-card__monogram--brand {
  background-color: var(--brand);
}

.persona-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  text-align: center;
}

.persona-card__text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------- Reassurance bar ---------- */
.reassure__grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.reassure-item {
  width: 31%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.reassure-item__icon {
  font-size: 22px;
  color: var(--brand);
}

.reassure-item__text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
}

/* ---------- FAQ ---------- */
.faq__content {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.faq__item {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq__item:hover {
  border-color: var(--brand);
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  padding: 20px 24px;
  transition: color 0.2s ease;
}

.faq__question:hover {
  color: var(--brand);
}

.faq__icon {
  color: var(--brand);
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq__item--open .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq__answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- CTA band ---------- */
.cta-band {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  background-color: var(--indigo-deep);
  padding: 80px 0;
}

.cta-band__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-band__title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  text-align: center;
  margin-bottom: 12px;
}

.cta-band__title-accent {
  color: var(--brand);
}

.cta-band__text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: #c9cfdd;
  text-align: center;
  margin-bottom: 32px;
}

.invite-form {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 12px;
  width: 100%;
  max-width: 520px;
}

.invite-form__input {
  flex: 1;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.invite-form__input:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

.invite-form__error {
  display: none;
  color: #ffb3a7;
  font-size: 0.875rem;
  margin-top: 10px;
}

.invite-form__error--visible {
  display: block;
}

.invite-form__success {
  display: none;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 10px;
}

.invite-form__success--visible {
  display: block;
}

.invite-form__note {
  font-size: 0.8125rem;
  color: #9aa3b2;
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.footer {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  background-color: var(--indigo-deep);
  border-top: 1px solid var(--indigo);
  padding: 64px 0 0;
}

.footer__grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 30%;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.footer__brand .logo-text {
  color: #ffffff;
}

.footer__title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #c9cfdd;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  color: #c9cfdd;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

.footer__link:hover {
  color: #ffffff;
}

.footer__lang {
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer__lang-btn {
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  color: #c9cfdd;
  background: none;
  border: 1px solid #2e343f;
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  transition: var(--transition);
}

.footer__lang-btn--active,
.footer__lang-btn:hover {
  color: #ffffff;
  border-color: var(--brand);
}

.footer__bottom {
  border-top: 1px solid #2e343f;
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.footer__copyright {
  font-size: 0.875rem;
  color: #9aa3b2;
}

.footer__privacy-note {
  font-size: 0.875rem;
  color: #9aa3b2;
}

/* ---------- Back to top (created by js/main.js) ---------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--brand);
  color: #ffffff;
  border: none;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 900;
  box-shadow: 0 4px 14px rgba(31, 36, 48, 0.08);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--brand-dark);
}

/* ---------- Scroll reveal ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 404 ---------- */
.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--paper);
  padding: 160px 0 80px;
}

.error-page__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.error-page__code {
  font-size: 5rem;
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
}

.error-page__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  text-align: center;
}

.error-page__text {
  font-size: 1.125rem;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------- Accessibility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}