/* Blackjack: Card Counting — marketing site
   Ported from the Claude Design source `site-a-table.dc.html`. */

:root {
  --green-900: #073a2c;
  --green-800: #0a4e3c;
  --green-700: #0f6b52;
  --green-600: #14805f;
  --green-950: #062e23;
  --ink: #0b3d30;
  --cream: #f7f3e8;
  --gold: #ffd66b;
  --red: #e14b32;

  --shell: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --band-pad: clamp(64px, 9vw, 100px);

  --canopy-h: clamp(680px, 92vh, 1040px);
  --ease: cubic-bezier(.2, .7, .3, 1);
  --font: 'Inter Tight', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Device frame geometry, lifted from the design: the screenshot is scaled up
     and offset so the marketing headline and outer bezel crop away. */
  --shot-scale: 125.45%;
  --shot-x: -12.73%;
  --shot-y: -20.68%;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  /* One continuous canopy gradient behind the header and hero; every band below
     paints its own opaque background over it. JS pins --canopy-h to the exact
     bottom of the hero, the clamp is the no-JS fallback. */
  background: var(--green-900) radial-gradient(140% 60% at 50% 0%, var(--green-600) 0%, var(--green-700) 34%, var(--green-800) 68%, var(--green-900) 100%) no-repeat top center / 100% var(--canopy-h);
  color: var(--cream);
  overflow-x: hidden;
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--gold); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--cream); }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 10;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--cream);
  color: var(--green-700);
  font: 700 15px/1 var(--font);
}
.skip-link:focus { left: 12px; }

/* ---------- layout primitives ---------- */

.shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.shell--narrow { max-width: 900px; }

.band { padding-block: var(--band-pad); }
.band--cream { background: var(--cream); color: var(--ink); }
.band--mid { background: var(--green-800); }
.band--deep { background: var(--green-900); }

.stack { display: flex; flex-direction: column; gap: 44px; }
.stack--lg { gap: 56px; }
.stack--tight { gap: 22px; }
.stack--center { align-items: center; text-align: center; gap: 30px; }

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: clamp(44px, 5vw, 70px);
  align-items: center;
}
.split--wide { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* ---------- shared type ---------- */

.eyebrow {
  margin: 0;
  font: 700 14px/1 var(--font);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(247, 243, 232, .6);
}
.eyebrow--ink { color: rgba(11, 61, 48, .5); }

.section-head { display: flex; flex-direction: column; gap: 18px; max-width: 640px; }
.section-head--split {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  max-width: none;
}

.section-title {
  margin: 0;
  font: 700 clamp(34px, 5vw, 54px)/1.02 var(--font);
  letter-spacing: -.035em;
  text-wrap: pretty;
  max-width: 640px;
}
.section-head--split .section-title { font-size: clamp(32px, 4.6vw, 48px); max-width: 520px; }
.section-title--narrow { max-width: 600px; font-size: clamp(32px, 4.6vw, 48px); }

.section-note {
  margin: 0;
  font: 500 18px/1.5 var(--font);
  color: rgba(247, 243, 232, .6);
  max-width: 360px;
  text-wrap: pretty;
}

.prose {
  margin: 0;
  font: 500 clamp(17px, 1.9vw, 20px)/1.55 var(--font);
  color: rgba(11, 61, 48, .68);
  text-wrap: pretty;
}
.prose--light { color: rgba(247, 243, 232, .68); }

/* ---------- header ---------- */

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-block: 24px;
}

.brand { display: flex; align-items: center; gap: 14px; color: var(--cream); }
.brand:hover { color: var(--cream); }
.brand__chip {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 50%;
  background: var(--cream);
  position: relative;
  display: block;
}
.brand__chip-ring {
  position: absolute;
  inset: 5px;
  display: block;
  border-radius: 50%;
  border: 2px dashed rgba(15, 107, 82, .45);
  animation: chipSpin 14s linear infinite;
}
.brand__name { font: 700 19px/1 var(--font); letter-spacing: -.02em; }

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(14px, 2.2vw, 28px);
}
.nav__link { font: 600 15px/1 var(--font); color: rgba(247, 243, 232, .75); }
.nav__link:hover { color: var(--gold); }
.nav__cta {
  height: 42px;
  padding-inline: 20px;
  border-radius: 14px;
  background: var(--cream);
  color: var(--green-700);
  font: 700 15px/42px var(--font);
  transition: transform .2s var(--ease), box-shadow .2s ease, color .2s ease;
}
.nav__cta:hover {
  color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
}
.nav__cta:active { transform: translateY(0) scale(.97); }

/* ---------- hero ---------- */

.hero__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(40px, 5vw, 60px);
  align-items: center;
  padding-top: clamp(40px, 6vw, 60px);
  padding-bottom: var(--band-pad);
}
.hero__copy { display: flex; flex-direction: column; gap: 30px; }

.hero__title {
  margin: 0;
  font: 700 clamp(44px, 7vw, 82px)/.98 var(--font);
  letter-spacing: -.04em;
  text-wrap: pretty;
}
.hero__lede {
  margin: 0;
  font: 500 clamp(19px, 2.2vw, 25px)/1.45 var(--font);
  color: rgba(247, 243, 232, .7);
  max-width: 520px;
  text-wrap: pretty;
}

.hero__stage { perspective: 1200px; justify-self: center; width: min(356px, 100%); }

/* ---------- store buttons ---------- */

.stores { display: flex; gap: 14px; flex-wrap: wrap; padding-top: 6px; }
.stores--center { justify-content: center; }

.store {
  height: 60px;
  padding-inline: 28px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  text-align: left;
  transition: transform .22s var(--ease), box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
}
.store:active { transform: translateY(-1px) scale(.98); }
.store__kicker { font: 600 11px/1 var(--font); letter-spacing: .16em; text-transform: uppercase; opacity: .65; }
.store__name { font: 700 20px/1 var(--font); letter-spacing: -.02em; }

.store--solid { background: var(--cream); color: var(--green-700); }
.store--solid:hover {
  color: var(--green-700);
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .4);
}

.store--outline { border: 2px solid rgba(247, 243, 232, .35); color: var(--cream); }
.store--outline:hover {
  color: var(--cream);
  transform: translateY(-3px);
  border-color: var(--gold);
  background: rgba(255, 214, 107, .08);
}

/* ---------- hero stats ---------- */

.stats {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3.4vw, 34px);
  padding-top: 10px;
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__value { font: 700 30px/1 var(--font); letter-spacing: -.03em; }
.stat__label {
  margin: 0;
  font: 600 13px/1 var(--font);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(247, 243, 232, .55);
}

/* ---------- device frames ---------- */

.device {
  width: 100%;
  aspect-ratio: 990 / 2094;
  border-radius: 9.3% / 4.4%;
  overflow: hidden;
  position: relative;
  box-shadow: 0 24px 50px rgba(0, 0, 0, .4);
  transition: box-shadow .3s ease;
  transform-style: preserve-3d;
}
.device:hover { box-shadow: 0 34px 70px rgba(0, 0, 0, .55); }

.device--hero { box-shadow: 0 50px 90px rgba(0, 0, 0, .5); }
.device--wide {
  width: min(356px, 100%);
  justify-self: center;
  box-shadow: 0 40px 80px rgba(0, 0, 0, .5);
}

.device__shot {
  position: absolute;
  left: var(--shot-x);
  top: var(--shot-y);
  width: var(--shot-scale);
  height: auto;
  max-width: none;
  display: block;
}

.device__gloss {
  position: absolute;
  inset: 0;
  display: block;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, .16) 0%, transparent 42%);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  perspective: 1400px;
}

/* ---------- feature / quote cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  margin: 0;
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s var(--ease), box-shadow .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(11, 61, 48, .16); }
.card--quote { padding: 34px; gap: 20px; }

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 24px/1 var(--font);
  color: #fff;
}
.card__icon--red { background: var(--red); }
.card__icon--green { background: var(--green-700); }
.card__icon--gold { background: var(--gold); color: #3d2c00; }

.card__title { margin: 0; font: 700 26px/1.15 var(--font); letter-spacing: -.02em; }
.card__body { margin: 0; font: 500 18px/1.5 var(--font); color: rgba(11, 61, 48, .65); text-wrap: pretty; }

.quote { margin: 0; font: 500 clamp(18px, 2vw, 21px)/1.45 var(--font); text-wrap: pretty; }
.byline { display: flex; flex-direction: column; gap: 4px; }
.byline__name { font: 700 16px/1 var(--font); }
.byline__meta { font: 500 14px/1 var(--font); color: rgba(11, 61, 48, .55); }

/* ---------- numbered steps ---------- */

.steps { margin: 0; padding: 8px 0 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step__num {
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 8px;
  background: var(--green-700);
  color: #fff;
  font: 700 14px/26px var(--font);
  text-align: center;
}
.step__text { font: 500 18px/1.45 var(--font); text-wrap: pretty; }

/* ---------- strategy chart ---------- */

.chart {
  margin: 0;
  background: var(--green-800);
  border-radius: 28px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--cream);
  box-shadow: 0 30px 60px rgba(11, 61, 48, .22);
}
.chart__caption {
  font: 700 13px/1 var(--font);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(247, 243, 232, .55);
  padding-bottom: 6px;
}
.chart__grid {
  display: grid;
  grid-template-columns: clamp(22px, 3vw, 36px) repeat(10, 1fr);
  gap: clamp(3px, .5vw, 5px);
  font: 700 clamp(11px, 1.3vw, 15px)/2.5 var(--font);
  text-align: center;
}
.chart__grid--head {
  font: 700 clamp(10px, 1.1vw, 13px)/1.7 var(--font);
  color: rgba(247, 243, 232, .55);
}
.chart__row-label { color: rgba(247, 243, 232, .55); }
.chart__row-label.is-active { color: var(--gold); }

.cell { border-radius: 8px; transition: transform .18s var(--ease); }
.cell:hover { transform: scale(1.14); }
.cell--hit { background: var(--red); color: #fff; }
.cell--stand { background: var(--cream); color: var(--ink); }
.cell--double { background: var(--gold); color: #3d2c00; }
.cell.is-current { box-shadow: 0 0 0 3px var(--gold); transform: none; }

.legend {
  margin: 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 14px;
  font: 600 14px/1 var(--font);
  color: rgba(247, 243, 232, .7);
}
.legend__item { display: flex; align-items: center; gap: 8px; }
.legend__swatch { width: 14px; height: 14px; border-radius: 5px; display: block; }
.legend__swatch--stand { background: var(--cream); }
.legend__swatch--hit { background: var(--red); }
.legend__swatch--double { background: var(--gold); }

/* ---------- progress tiles ---------- */

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 10px; }
.tile {
  background: rgba(247, 243, 232, .08);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background .25s ease, transform .25s var(--ease);
}
.tile:hover { background: rgba(247, 243, 232, .14); transform: translateY(-4px); }
.tile__title { font: 700 30px/1 var(--font); letter-spacing: -.03em; }
.tile__body { font: 500 16px/1.4 var(--font); color: rgba(247, 243, 232, .6); }

/* ---------- FAQ ---------- */

.faq { display: flex; flex-direction: column; gap: 2px; }
.faq__item {
  padding: 28px 0;
  border-top: 1px solid rgba(247, 243, 232, .16);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: padding-left .25s var(--ease);
}
.faq__item:hover { padding-left: 14px; }
.faq__item--last { border-bottom: 1px solid rgba(247, 243, 232, .16); }
.faq__q { margin: 0; font: 700 clamp(19px, 2.2vw, 24px)/1.25 var(--font); letter-spacing: -.02em; }
.faq__a { margin: 0; font: 500 18px/1.55 var(--font); color: rgba(247, 243, 232, .65); text-wrap: pretty; }

/* ---------- closing CTA ---------- */

.closer { padding-block: clamp(70px, 9vw, 110px); }
.closer__title {
  margin: 0;
  font: 700 clamp(38px, 6vw, 62px)/1.02 var(--font);
  letter-spacing: -.04em;
  max-width: 760px;
  text-wrap: pretty;
  animation: titleFloat 7s ease-in-out infinite;
}
.closer__lede {
  margin: 0;
  font: 500 22px/1.5 var(--font);
  color: rgba(247, 243, 232, .65);
  max-width: 520px;
  text-wrap: pretty;
}

/* ---------- footer ---------- */

.footer { background: var(--green-950); }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  padding-block: 36px;
}
.footer__about { display: flex; flex-direction: column; gap: 8px; }
.footer__name { font: 700 16px/1 var(--font); }
.footer__legal {
  font: 500 14px/1.5 var(--font);
  color: rgba(247, 243, 232, .45);
  max-width: 460px;
  text-wrap: pretty;
}
.footer__links { display: flex; gap: 26px; flex-wrap: wrap; font: 600 15px/1 var(--font); }
.footer__links a { color: rgba(247, 243, 232, .7); }
.footer__links a:hover { color: var(--gold); }

/* ---------- scroll reveal (JS adds .is-revealed) ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js [data-reveal].is-revealed { opacity: 1; transform: none; }

/* ---------- animations ---------- */

@keyframes titleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@keyframes chipSpin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .brand__chip-ring, .closer__title { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ---------- narrow screens ---------- */

@media (max-width: 560px) {
  .tiles { grid-template-columns: 1fr; }
  .brand__name { font-size: 17px; }
  .nav { gap: 14px; }
}