/* =========================================================
   MONGOL MOTO — Design System
   Every page uses this one file. Change a token here and the
   whole site follows. Reference page: /design-system.html
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  /* Color */
  --c-paper:        #F5F1EA;  /* page background — warm off-white */
  --c-sand:         #ECE4D8;  /* alternate section / chips */
  --c-sand-deep:    #D8CDBE;  /* borders, dividers */
  --c-night:        #22394A;  /* primary — night-sky slate */
  --c-night-hover:  #2F4D63;
  --c-night-deep:   #172833;  /* footer, overlays */
  --c-saffron:      #D9A441;  /* accent — sun / prayer-flag gold */
  --c-saffron-deep: #B9852A;
  --c-ink:          #1E2B33;  /* body text */
  --c-muted:        #5E6A70;  /* secondary text */
  --c-on-dark:      #F5F1EA;  /* text on photos & dark */
  --c-success:      #3D7A57;
  --c-warning:      #B9852A;
  --c-danger:       #A6463A;

  /* Type */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body:    "Work Sans", "Helvetica Neue", Arial, sans-serif;

  --t-display: clamp(3.4rem, 11vw, 8.5rem);
  --t-h1:      clamp(2.6rem, 6vw, 4.6rem);
  --t-h2:      clamp(2rem, 4.4vw, 3.1rem);
  --t-h3:      clamp(1.35rem, 2.2vw, 1.75rem);
  --t-lead:    1.15rem;
  --t-body:    1rem;
  --t-small:   .875rem;
  --t-eyebrow: .78rem;

  /* Space & shape */
  --container: 1200px;
  --gutter: 24px;
  --section-y: clamp(72px, 10vw, 128px);
  --radius-sm: 6px;
  --radius:    8px;
  --radius-lg: 12px;
  --shadow:    0 14px 40px rgba(23, 40, 51, .10);
  --ease:      cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--c-paper); color: var(--c-ink);
  font-family: var(--f-body); font-weight: 400; font-size: var(--t-body); line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, h4, .display {
  font-family: var(--f-display); font-weight: 800; line-height: 1.02;
  letter-spacing: -.01em; margin: 0; text-transform: uppercase; color: var(--c-night);
}
h3, h4 { text-transform: none; font-weight: 700; letter-spacing: 0; line-height: 1.2; }
p { margin: 0 0 1em; }
.display { font-size: var(--t-display); font-weight: 800; letter-spacing: -.02em; }
.h1 { font-size: var(--t-h1); }
.h2, h2 { font-size: var(--t-h2); }
.h3, h3 { font-size: var(--t-h3); }
.lead { font-size: var(--t-lead); font-weight: 300; color: var(--c-muted); max-width: 60ch; }
.small { font-size: var(--t-small); }
.muted { color: var(--c-muted); }
.eyebrow {
  display: inline-block; font-family: var(--f-body); font-size: var(--t-eyebrow); font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--c-saffron-deep); margin-bottom: 14px;
}
.on-dark, .on-dark h1, .on-dark h2, .on-dark h3 { color: var(--c-on-dark); }
.on-dark .eyebrow { color: var(--c-saffron); }
.on-dark .lead, .on-dark .muted { color: rgba(245, 241, 234, .82); }

/* ---------- 3. Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; }
.section--sand { background: var(--c-sand); }
.section--night { background: var(--c-night); }
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head .lead { margin: 18px auto 0; }
.section-head--left { margin-left: 0; text-align: left; }
.section-head--left .lead { margin-left: 0; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split--top { align-items: start; }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  :root { --gutter: 16px; }
}

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 500 1rem/1 var(--f-body); padding: 15px 26px; border-radius: var(--radius);
  border: 1px solid transparent; text-decoration: none; cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--c-night); color: var(--c-on-dark); }
.btn--primary:hover { background: var(--c-night-hover); }
.btn--accent { background: var(--c-saffron); color: var(--c-night-deep); }
.btn--accent:hover { background: #E3B356; }
.btn--outline { border-color: var(--c-night); color: var(--c-night); background: transparent; }
.btn--outline:hover { background: var(--c-night); color: var(--c-on-dark); }
.btn--ghost { border-color: rgba(245, 241, 234, .7); color: var(--c-on-dark); background: rgba(23, 40, 51, .18); backdrop-filter: blur(4px); }
.btn--ghost:hover { background: var(--c-on-dark); color: var(--c-night); }
.btn--sm { padding: 10px 18px; font-size: .92rem; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 5. Navigation ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 60; transition: background .3s var(--ease), box-shadow .3s var(--ease); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.nav--solid { background: rgba(23, 40, 51, .96); box-shadow: 0 2px 24px rgba(0, 0, 0, .12); }
.nav--solid .nav__inner { height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--c-on-dark); }
.brand img { width: 36px; height: 36px; }
.brand span { font: 800 1.35rem/1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a:not(.btn) { color: var(--c-on-dark); text-decoration: none; font-size: .98rem; opacity: .9; }
.nav__links a:not(.btn):hover { opacity: 1; text-decoration: underline; text-underline-offset: 6px; }
.nav__toggle { display: none; background: none; border: 0; color: var(--c-on-dark); cursor: pointer; padding: 8px; }
@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 4px; padding: 16px var(--gutter) 24px; background: var(--c-night-deep); }
  .nav__links a:not(.btn) { padding: 10px 0; }
  .nav--open .nav__links { display: flex; }
  .nav--open { background: var(--c-night-deep); }
}

/* ---------- 6. Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  color: var(--c-on-dark); background: var(--c-night-deep); overflow: hidden; }
.hero--short { min-height: 70svh; }
.hero__media { position: absolute; inset: 0; }
.hero__media img, .hero__media video { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(23,40,51,.55) 0%, rgba(23,40,51,.15) 40%, rgba(23,40,51,.65) 100%); }
.hero__content { position: relative; z-index: 2; text-align: center; padding-top: 84px; }
.hero__content .display { color: var(--c-on-dark); }
.hero__kicker { font-size: var(--t-small); letter-spacing: .22em; text-transform: uppercase; font-weight: 400; }
.hero__kicker--right { display: block; text-align: right; max-width: 1000px; margin: 14px auto 0; }
.hero__kicker--left  { display: block; text-align: left;  max-width: 1000px; margin: 0 auto 10px; }
.hero__ctas { margin-top: 40px; justify-content: center; }
.hero .marquee { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; }

/* ---------- 7. Marquee ---------- */
.marquee { overflow: hidden; padding: 18px 0; border-top: 1px solid rgba(245, 241, 234, .22); }
.marquee__track { display: flex; gap: 64px; width: max-content; animation: marquee 38s linear infinite; }
.marquee__track span { font: 400 1.25rem/1 var(--f-body); white-space: nowrap; color: var(--c-on-dark); display: flex; align-items: center; gap: 64px; }
.marquee__track span::after { content: "✦"; color: var(--c-saffron); font-size: .8rem; }
.marquee--big { border: 0; padding: 0; }
.marquee--big .marquee__track { gap: 48px; animation-duration: 30s; }
.marquee--big .marquee__track span { font: 800 clamp(3rem, 9vw, 7rem)/1 var(--f-display); text-transform: uppercase; gap: 48px; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- 8. Cards ---------- */
.tour-card { position: relative; display: block; aspect-ratio: 3 / 4.2; border-radius: var(--radius-lg); overflow: hidden;
  color: var(--c-on-dark); text-decoration: none; background: var(--c-night); }
.tour-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.tour-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,40,51,0) 45%, rgba(23,40,51,.85) 100%); }
.tour-card:hover img { transform: scale(1.05); }
.tour-card__body { position: absolute; left: 24px; right: 24px; bottom: 24px; z-index: 2; }
.tour-card__title { font: 800 clamp(1.7rem, 2.6vw, 2.2rem)/1 var(--f-display); text-transform: uppercase; color: var(--c-on-dark); margin: 0 0 10px; }
.tour-card__meta { font-size: var(--t-small); opacity: .9; display: flex; gap: 14px; flex-wrap: wrap; }
.tour-card__tag { position: absolute; top: 18px; left: 18px; z-index: 2; }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; font-size: .8rem; font-weight: 500;
  background: var(--c-sand); color: var(--c-night); border: 1px solid var(--c-sand-deep); }
.chip--dark { background: rgba(23,40,51,.75); color: var(--c-on-dark); border-color: transparent; backdrop-filter: blur(4px); }
.chip--accent { background: var(--c-saffron); color: var(--c-night-deep); border-color: transparent; }

.card { background: #fff; border: 1px solid var(--c-sand-deep); border-radius: var(--radius-lg); padding: 28px; }
.card--flat { background: transparent; }

.guide-card { text-align: left; }
.guide-card__photo { aspect-ratio: 4 / 5; border-radius: var(--radius-lg); overflow: hidden; background: var(--c-sand); margin-bottom: 18px; }
.guide-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.guide-card__role { font-size: var(--t-small); color: var(--c-saffron-deep); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; }
.guide-card h3 { margin-bottom: 8px; }

.media { border-radius: var(--radius-lg); overflow: hidden; background: var(--c-sand); }
.media img, .media video { width: 100%; height: 100%; object-fit: cover; }
.media--portrait { aspect-ratio: 4 / 5; }
.media--landscape { aspect-ratio: 16 / 10; }
.media--wide { aspect-ratio: 16 / 9; }

/* ---------- 9. Banner (full-bleed photo with text) ---------- */
.banner { position: relative; min-height: 640px; display: flex; align-items: center; color: var(--c-on-dark); overflow: hidden; background: var(--c-night-deep); }
.banner__media { position: absolute; inset: 0; }
.banner__media img { width: 100%; height: 100%; object-fit: cover; }
.banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,40,51,.78) 0%, rgba(23,40,51,.25) 70%); }
.banner--center::after { background: rgba(23,40,51,.45); }
.banner__content { position: relative; z-index: 2; max-width: 560px; }
.banner--center .banner__content { max-width: none; width: 100%; }

/* ---------- 10. Lists, stats, specs ---------- */
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 16px; border-radius: 50%;
  background: var(--c-saffron) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.3 2.3 4.7-5' stroke='%23172833' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100% no-repeat; }
.x-list li::before { background: var(--c-sand-deep) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M5.5 5.5l5 5M10.5 5.5l-5 5' stroke='%235E6A70' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") center/100% no-repeat; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat__num { font: 800 clamp(2.2rem, 4vw, 3.2rem)/1 var(--f-display); color: var(--c-night); }
.stat__label { font-size: var(--t-small); color: var(--c-muted); margin-top: 8px; }
.on-dark .stat__num { color: var(--c-saffron); }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr 1fr; } }

.specs { width: 100%; border-collapse: collapse; }
.specs th, .specs td { text-align: left; padding: 14px 0; border-bottom: 1px solid var(--c-sand-deep); vertical-align: top; }
.specs th { font-weight: 500; color: var(--c-muted); width: 42%; }

/* Itinerary */
.itinerary { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--c-sand-deep); }
.itinerary li { position: relative; padding: 0 0 28px 28px; }
.itinerary li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--c-saffron); box-shadow: 0 0 0 4px var(--c-paper); }
.itinerary .day { font-size: var(--t-eyebrow); letter-spacing: .16em; text-transform: uppercase; color: var(--c-saffron-deep); font-weight: 600; }
.itinerary h4 { font-size: 1.15rem; margin: 2px 0 4px; }
.itinerary p { color: var(--c-muted); margin: 0; }

/* ---------- 11. Testimonials ---------- */
.quote { font: 300 clamp(1.3rem, 2.4vw, 1.75rem)/1.45 var(--f-body); color: var(--c-ink); margin: 0 0 24px; }
.quote-by { display: flex; align-items: center; gap: 14px; }
.quote-by img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }

/* ---------- 12. Forms ---------- */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: var(--t-small); font-weight: 500; margin-bottom: 6px; color: var(--c-ink); }
.input, .select, .textarea {
  width: 100%; font: 400 1rem/1.4 var(--f-body); color: var(--c-ink); background: #fff;
  border: 1px solid var(--c-sand-deep); border-radius: var(--radius); padding: 13px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--c-night); box-shadow: 0 0 0 3px rgba(34,57,74,.15); }
.textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.hp { position: absolute; left: -9999px; }
.inline-form { display: flex; gap: 12px; flex-wrap: wrap; }
.inline-form .input { flex: 1 1 240px; }

/* ---------- 13. CTA card ---------- */
.cta-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; padding: clamp(36px, 6vw, 72px); color: var(--c-on-dark); background: var(--c-night); }
.cta-card__media { position: absolute; inset: 0; }
.cta-card__media img { width: 100%; height: 100%; object-fit: cover; }
.cta-card::after { content: ""; position: absolute; inset: 0; background: rgba(23,40,51,.62); }
.cta-card > *:not(.cta-card__media) { position: relative; z-index: 2; }

/* ---------- 14. Booking calendar ---------- */
.cal { background: #fff; border: 1px solid var(--c-sand-deep); border-radius: var(--radius-lg); padding: 24px; }
.cal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.cal__title { font: 800 1.4rem/1 var(--f-display); text-transform: uppercase; color: var(--c-night); }
.cal__nav { display: flex; gap: 8px; }
.cal__nav button { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--c-sand-deep); background: #fff; cursor: pointer; font-size: 1.1rem; color: var(--c-night); }
.cal__nav button:hover { background: var(--c-sand); }
.cal__nav button:disabled { opacity: .35; cursor: default; }
.cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal__dow { font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); text-align: center; padding: 6px 0; }
.cal__day { position: relative; aspect-ratio: 1 / .9; border-radius: var(--radius-sm); padding: 6px; font-size: .9rem; color: var(--c-ink); background: var(--c-paper); border: 0; text-align: left; font-family: inherit; }
.cal__day--empty { background: transparent; }
.cal__day--trip { color: var(--c-on-dark); cursor: pointer; }
.cal__day--start { box-shadow: inset 3px 0 0 var(--c-saffron); }
.cal__day--selected { outline: 2px solid var(--c-saffron); outline-offset: 1px; }
.cal__day--full { opacity: .45; cursor: not-allowed; }
.cal__legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 18px; font-size: var(--t-small); color: var(--c-muted); }
.cal__legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.trip-color-0 { background: #22394A; }
.trip-color-1 { background: #3E6B5A; }
.trip-color-2 { background: #B9852A; }

.departures { display: grid; gap: 12px; }
.departure { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 16px 18px;
  background: #fff; border: 1px solid var(--c-sand-deep); border-radius: var(--radius); cursor: pointer; text-align: left; font: inherit; color: inherit; width: 100%; }
.departure:hover { border-color: var(--c-night); }
.departure--selected { border-color: var(--c-saffron); box-shadow: 0 0 0 2px var(--c-saffron); }
.departure--full { opacity: .55; cursor: not-allowed; }
.departure__swatch { width: 10px; align-self: stretch; border-radius: 4px; }
.departure__trip { font-weight: 600; }
.departure__dates { font-size: var(--t-small); color: var(--c-muted); }
.seats { font-size: var(--t-small); font-weight: 600; white-space: nowrap; }
.seats--ok { color: var(--c-success); } .seats--low { color: var(--c-warning); } .seats--full { color: var(--c-danger); }

/* ---------- 15. Chat widget ---------- */
.chat-fab { position: fixed; right: 22px; bottom: 22px; z-index: 80; width: 60px; height: 60px; border-radius: 50%; border: 0;
  background: var(--c-night); color: var(--c-on-dark); box-shadow: var(--shadow); cursor: pointer; display: grid; place-items: center; }
.chat-fab::after { content: ""; position: absolute; top: 4px; right: 4px; width: 12px; height: 12px; border-radius: 50%; background: #4CC37A; border: 2px solid var(--c-paper); }
.chat-panel { position: fixed; right: 22px; bottom: 96px; z-index: 80; width: min(370px, calc(100vw - 32px)); background: var(--c-paper);
  border-radius: var(--radius-lg); box-shadow: 0 24px 60px rgba(23,40,51,.25); overflow: hidden; display: none; }
.chat-panel--open { display: block; animation: pop .25s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(10px); } }
.chat-panel__head { background: var(--c-night); color: var(--c-on-dark); padding: 18px 20px; display: flex; gap: 12px; align-items: center; }
.chat-panel__head img { width: 40px; height: 40px; }
.chat-panel__head b { display: block; font-family: var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.chat-panel__head small { opacity: .8; }
.chat-panel__close { margin-left: auto; background: none; border: 0; color: var(--c-on-dark); font-size: 1.5rem; cursor: pointer; line-height: 1; }
.chat-panel__body { padding: 18px 20px 20px; background: var(--c-sand); }
.bubble { background: #fff; border-radius: 4px 14px 14px 14px; padding: 12px 14px; font-size: .95rem; margin-bottom: 14px; max-width: 90%; }
.chat-panel .field { margin-bottom: 10px; }
.chat-panel .input, .chat-panel .textarea { padding: 10px 12px; font-size: .95rem; }
.chat-panel .textarea { min-height: 80px; }
.chat-alt { display: flex; gap: 8px; margin-top: 10px; }
.chat-alt a { flex: 1; text-align: center; font-size: .85rem; padding: 9px; border-radius: var(--radius); border: 1px solid var(--c-sand-deep); background: #fff; text-decoration: none; color: var(--c-night); }

/* ---------- 16. FAQ ---------- */
.faq details { border-bottom: 1px solid var(--c-sand-deep); padding: 20px 0; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; font-weight: 500; font-size: 1.1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--c-saffron-deep); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--c-muted); max-width: 70ch; }

/* ---------- 17. Footer ---------- */
.footer { background: var(--c-night); color: var(--c-on-dark); padding: 72px 0 32px; }
.footer__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 40px; border-bottom: 1px solid rgba(245,241,234,.25); }
.footer__links { display: flex; flex-wrap: wrap; gap: 24px; }
.footer__links a { text-decoration: none; opacity: .85; font-size: .95rem; }
.footer__links a:hover { opacity: 1; }
.footer__bottom { padding-top: 24px; font-size: var(--t-small); opacity: .75; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.social { display: flex; gap: 14px; }
.social a { opacity: .85; } .social a:hover { opacity: 1; }

/* ---------- 18. Utilities ---------- */
.mt-0 { margin-top: 0 } .mt-1 { margin-top: 12px } .mt-2 { margin-top: 24px } .mt-3 { margin-top: 40px }
.mb-0 { margin-bottom: 0 } .mb-1 { margin-bottom: 12px } .mb-2 { margin-bottom: 24px } .mb-3 { margin-bottom: 40px }
.center { text-align: center; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal--in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }