/* =========================================================
   Montana Simão — Author Site
   Design system: dark, dramatic, drawn from the OF REBELS &
   FAITH cover (deep red → mythic blue, black, warm white).
   ========================================================= */

:root {
  /* ---- Color: primitive ---- */
  --red-900: #3a0a10;
  --red-700: #7a1420;
  --red-500: #c81e2c;
  --red-400: #e14b56;
  --blue-900: #0a0f30;
  --blue-700: #172467;
  --blue-500: #2b3ea3;
  --black-950: #080607;
  --black-900: #0d0a0b;
  --black-800: #171012;
  --black-700: #241a1c;
  --white-050: #faf7f4;
  --white-100: #f2ece6;
  --tan-300: #b9a9a0;
  --tan-500: #8a7a72;

  /* ---- Color: semantic ---- */
  --color-bg: var(--black-950);
  --color-surface: var(--black-900);
  --color-surface-raised: var(--black-800);
  --color-border: rgba(250, 247, 244, 0.12);
  --color-border-strong: rgba(250, 247, 244, 0.22);
  --color-text: var(--white-100);
  --color-text-muted: var(--tan-300);
  --color-text-faint: var(--tan-500);
  --color-primary: var(--red-500);
  --color-primary-hover: var(--red-400);
  --color-primary-active: var(--red-700);
  --color-accent: var(--blue-500);
  --color-focus: var(--white-100);

  /* ---- Typography ---- */
  --font-display: "Raleway", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Raleway", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.25rem;
  --text-3xl: 3rem;
  --text-4xl: 3.75rem;
  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* ---- Spacing (4/8pt scale) ---- */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  /* ---- Layout ---- */
  --container-max: 1200px;
  --container-narrow: 760px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 350ms;
  --duration-slow: 600ms;

  /* ---- Effects ---- */
  --shadow-glow-red: 0 0 60px rgba(200, 30, 44, 0.28);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.45);
  --z-nav: 100;
  --z-overlay: 200;
}

/* ============ Reset ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: 0.02em;
}

p {
  margin: 0;
}

input, textarea {
  font: inherit;
  color: inherit;
}

/* Respect reduced motion globally */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visible focus ring everywhere, keyboard-only via :focus-visible */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============ Skip link ============ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  z-index: 1000;
  background: var(--color-primary);
  color: var(--white-050);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: top var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
  top: var(--space-2);
}

/* ============ Layout helpers ============ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-7);
}

.section--tight {
  padding-block: var(--space-6);
}

@media (max-width: 640px) {
  .section {
    padding-block: var(--space-6);
  }
  .container {
    padding-inline: var(--space-2);
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary-hover);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.section-heading {
  font-size: var(--text-2xl);
  margin-top: var(--space-1);
}

.section-lede {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  max-width: 62ch;
  margin-top: var(--space-4);
}

/* ============ Nebula ambient background ============ */
.nebula {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 45% at 78% -5%, rgba(200, 30, 44, 0.24), transparent 60%),
    radial-gradient(55% 40% at 8% 15%, rgba(43, 62, 163, 0.18), transparent 60%),
    var(--color-bg);
}

.nebula__star {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1100px, 140vw);
  transform: translate(-50%, -50%);
  opacity: 0.05;
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(8, 6, 7, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-3);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 300;
  letter-spacing: 0.28em;
  white-space: nowrap;
}

.nav__logo span {
  color: var(--color-primary-hover);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: var(--space-1) 0;
  position: relative;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-standard);
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__links a[aria-current="page"] {
  color: var(--color-text);
}

.nav__links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-primary);
}

.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}

.nav__toggle-bar,
.nav__toggle-bar::before,
.nav__toggle-bar::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);
}

.nav__toggle-bar {
  position: relative;
}

.nav__toggle-bar::before,
.nav__toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav__toggle-bar::before { top: -7px; }
.nav__toggle-bar::after { top: 7px; }

.nav[data-open="true"] .nav__toggle-bar { background: transparent; }
.nav[data-open="true"] .nav__toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav[data-open="true"] .nav__toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {
  .nav__toggle {
    display: inline-flex;
  }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-base) var(--ease-standard);
  }

  .nav[data-open="true"] .nav__links {
    max-height: 400px;
  }

  .nav__links a {
    padding: var(--space-2) var(--space-3);
    min-height: 44px;
    display: flex;
    align-items: center;
    border-top: 1px solid var(--color-border);
  }

  .nav__links a[aria-current="page"]::after {
    display: none;
  }

  .nav__links a[aria-current="page"] {
    border-left: 3px solid var(--color-primary);
  }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--white-050);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow-red);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-text);
  background: rgba(250, 247, 244, 0.06);
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.btn--sm {
  min-height: 40px;
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
}

/* ============ Badge ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  padding: 0.4em 0.9em;
  background: rgba(200, 30, 44, 0.08);
}

.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

.badge--accent {
  border-color: rgba(43, 62, 163, 0.4);
  background: rgba(43, 62, 163, 0.12);
}

.badge--accent::before {
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

/* ============ Hero ============ */
.hero {
  padding-block: var(--space-7) var(--space-4);
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(240px, 380px) 1fr;
  gap: var(--space-6);
  align-items: start;
}

.hero__cover {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow-red);
  justify-self: center;
  width: 100%;
  max-width: 380px;
}

.hero__cover img {
  width: 100%;
  height: auto;
}

.hero__divider {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-block: var(--space-3);
  color: var(--color-primary-hover);
}

.hero__divider::before,
.hero__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}

.hero__divider-star {
  width: 22px;
  height: auto;
  flex-shrink: 0;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw + 1rem, var(--text-4xl));
  text-transform: uppercase;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.hero__title em {
  display: block;
  font-style: normal;
  color: var(--color-primary);
}

.hero__header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.hero__synopsis + .badge {
  display: inline-flex;
  margin-top: var(--space-4);
}

.badge + .hero__actions {
  margin-top: var(--space-4);
}

/* ============ Neon divider ============ */
.neon-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 360px;
  margin: var(--space-5) auto 0;
  animation: neon-draw-in 1.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.neon-divider__beam {
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--red-500));
  box-shadow: 0 0 8px rgba(200, 30, 44, 0.7), 0 0 18px rgba(200, 30, 44, 0.4);
  animation: neon-beam-pulse 4.5s ease-in-out infinite;
}

.neon-divider__beam--right {
  background: linear-gradient(270deg, transparent, var(--red-500));
}

.neon-divider__core {
  width: 8px;
  height: 8px;
  margin-inline: 3px;
  flex-shrink: 0;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--red-400) 55%, transparent 100%);
  box-shadow: 0 0 10px 3px rgba(255, 255, 255, 0.9), 0 0 26px 8px rgba(200, 30, 44, 0.85);
  animation: neon-core-pulse 4.5s ease-in-out infinite;
}

@keyframes neon-draw-in {
  0% {
    max-width: 100%;
    opacity: 0;
  }
  100% {
    max-width: 360px;
    opacity: 1;
  }
}

@keyframes neon-beam-pulse {
  0%, 100% { opacity: 0.65; filter: brightness(0.9); }
  50% { opacity: 1; filter: brightness(1.35); }
}

@keyframes neon-core-pulse {
  0%, 100% { transform: scale(0.85); opacity: 0.85; }
  50% { transform: scale(1.3); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .neon-divider,
  .neon-divider__beam,
  .neon-divider__core {
    animation: none;
  }
}

.hero .hero__divider {
  max-width: 320px;
  margin-inline: auto;
  margin-top: var(--space-6);
}

.hero__divider--wide {
  margin-block: var(--space-6);
}

.hero__title--line {
  font-size: clamp(2rem, 4vw + 1rem, var(--text-3xl));
}

.hero__title--line em {
  display: inline;
  color: var(--color-text);
}

.hero__synopsis {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  max-width: 60ch;
}

.hero__synopsis strong {
  color: var(--color-text);
  font-weight: 600;
}

.hero__actions {
  margin-top: var(--space-4);
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__synopsis {
    margin-inline: auto;
  }
  .hero__actions,
  .btn-row {
    justify-content: center;
  }
  .hero__divider {
    max-width: 320px;
    margin-inline: auto;
  }
}

/* ============ Sections / cards ============ */
.panel {
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-raised));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  align-items: center;
}

@media (max-width: 820px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.portrait {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  aspect-ratio: 900 / 1268;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

/* ============ Author byline (Home) ============ */
.author-byline {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-4);
}

.author-byline__photo {
  width: min(50%, 420px);
  aspect-ratio: 4 / 5;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.author-byline__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
}

.author-byline__content {
  flex: 1 1 320px;
  min-width: 0;
}

.author-byline__heading {
  margin-top: 0.25em;
}

.author-byline__lede {
  margin-top: 0.5em;
  font-size: var(--text-sm);
  max-width: 56ch;
}

.author-byline__cta {
  margin-top: var(--space-3);
}

@media (max-width: 640px) {
  .author-byline {
    justify-content: center;
    text-align: center;
  }

  .author-byline__content {
    flex-basis: 100%;
  }

  .author-byline__cta {
    justify-content: center;
  }
}

/* ============ Mailing list ============ */
.signup {
  text-align: center;
}

.signup__note {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-5);
  margin-top: var(--space-7);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-3);
  align-items: center;
}

.footer__subscribe {
  justify-self: start;
  order: 1;
}

.footer__social {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
  justify-self: center;
  order: 2;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.footer__social a:hover {
  color: var(--color-primary-hover);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(200, 30, 44, 0.3);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer__meta {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4em;
  justify-self: end;
  text-align: right;
  order: 3;
}

.footer__meta-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

.footer__meta-credit {
  opacity: 0.7;
}

.footer__studio-icon {
  height: 24px;
  width: auto;
  opacity: 0.55;
  flex-shrink: 0;
}

@media (max-width: 700px) {
  .footer__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer__subscribe,
  .footer__social,
  .footer__meta {
    justify-self: center;
  }

  .footer__meta {
    align-items: center;
    text-align: center;
  }
}

/* ============ Large social grid (Contact page) ============ */
.hero__divider--compact {
  max-width: 320px;
  margin-inline: auto;
}

.social-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.social-grid__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  width: 76px;
  color: var(--color-text-muted);
}

.social-grid__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  transition: color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard);
}

.social-grid__icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.social-grid__label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.social-grid__link:hover {
  color: var(--color-text);
}

.social-grid__link:hover .social-grid__icon {
  color: var(--color-primary-hover);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow-red);
  transform: translateY(-3px);
}

/* ============ Reveal-on-scroll ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-standard),
    transform var(--duration-slow) var(--ease-standard);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ============ Page hero (interior pages) ============ */
.page-hero {
  padding-block: var(--space-6) var(--space-5);
  text-align: center;
}

.page-hero__title {
  font-size: clamp(2rem, 3vw + 1rem, var(--text-3xl));
  text-transform: uppercase;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

.page-hero__title + .badge {
  margin-top: var(--space-4);
}

/* ============ Contact ============ */
.contact-card {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary-hover);
  margin-top: var(--space-2);
  word-break: break-word;
}

/* ============ FAQ ============ */
.faq {
  max-width: var(--container-narrow);
  margin-inline: auto;
  display: grid;
  gap: var(--space-2);
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  min-height: 56px;
  font-weight: 600;
  text-align: left;
}

.faq__q-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--duration-base) var(--ease-standard);
}

.faq__item[data-open="true"] .faq__q-icon {
  transform: rotate(45deg);
}

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-standard);
}

.faq__item[data-open="true"] .faq__a {
  max-height: 320px;
}

.faq__a p {
  padding: 0 var(--space-3) var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ============ Utility ============ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}