/* ==========================================================================
   Tanaa — tanaa.app
   Palette: warm ink, brand gold, chalk.
   Type: Anton (display) / Archivo (body) / IBM Plex Mono (money & queue).
   ========================================================================== */

:root {
  --ink: #14110b;
  --board: #1e1910;
  --board-2: #241e13;
  --line: #3a3222;
  --gold: #d4a853;
  --brass: #a8832e;
  --chalk: #f3ead8;
  --dust: #9a8e77;
  --ok: #7fb069;
  --gold-text: #d4a853;   /* gold used AS text — darkened on light theme for contrast */
  --on-gold: #14110b;     /* text sitting ON a gold surface — same in both themes */

  --display: 'Anton', 'Arial Narrow', sans-serif;
  --body: 'Archivo', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --gutter: clamp(20px, 5vw, 72px);
  --maxw: 1120px;
}

html { color-scheme: dark; }

/* Light theme: same brand, set on warm paper. The shop board and the receipt
   keep their fixed colors in both themes — they are physical artifacts. */
html[data-theme="light"] {
  color-scheme: light;
  --ink: #f4ecdb;
  --board: #fdf9ef;
  --board-2: #eadfc4;
  --line: #d8c9a5;
  --chalk: #2a2419;
  --dust: #6e6350;
  --ok: #3f7a35;
  --gold-text: #8a6a1f;
}

@media (prefers-color-scheme: light) {
  html:not([data-theme]) {
    color-scheme: light;
    --ink: #f4ecdb;
    --board: #fdf9ef;
    --board-2: #eadfc4;
    --line: #d8c9a5;
    --chalk: #2a2419;
    --dust: #6e6350;
    --ok: #3f7a35;
    --gold-text: #8a6a1f;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

::selection { background: var(--gold); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- Nav -------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--gutter);
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo { display: block; flex: none; }

.wordmark {
  font-family: var(--display);
  font-size: 26px;
  letter-spacing: 0.06em;
  color: var(--gold-text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.5vw, 28px);
  font-size: 14.5px;
  font-weight: 500;
}

.nav-links a { text-decoration: none; color: var(--dust); }
.nav-links a:hover { color: var(--chalk); }
.nav-links .nav-login { color: var(--chalk); }

@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
}

/* ---- Buttons ----------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--body);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  padding: 13px 26px;
  border: 1px solid var(--gold);
  border-radius: 3px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

/* .btn.btn-* beats contextual rules like `.nav-links a` on specificity */
.btn.btn-solid { background: var(--gold); color: var(--on-gold); }
.btn.btn-solid:hover { background: var(--brass); border-color: var(--brass); color: #f3ead8; }

.btn.btn-ghost { color: var(--gold-text); background: transparent; }
.btn.btn-ghost:hover { color: var(--on-gold); background: var(--gold); }

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-wide { display: block; text-align: center; margin-top: 20px; }

/* ---- Theme toggle -------------------------------------------------------- */

.theme-toggle {
  background: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--dust);
  font-size: 15px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.theme-toggle:hover { color: var(--chalk); border-color: var(--dust); }

/* ---- Hero --------------------------------------------------------------- */

.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(56px, 9vh, 110px) var(--gutter) clamp(56px, 8vh, 96px);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-text);
  margin-bottom: 22px;
}

h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--chalk);
  margin-bottom: 26px;
}

.lede {
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--dust);
  max-width: 46ch;
  margin-bottom: 34px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

.cta-note {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--dust);
}

.store-links {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--dust);
}

.store-links a {
  color: var(--gold-text);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-text);
}

.store-links a:hover { color: var(--chalk); border-color: var(--chalk); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
}

/* ---- Shop board (hero artifact) ---------------------------------------- */

.shopboard {
  background: #1e1910;
  border: 1px solid #3a3222;
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13.5px;
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.8);
}

.shopboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid #3a3222;
  color: #d4a853;
  letter-spacing: 0.1em;
  font-size: 12px;
  font-weight: 600;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7fb069;
  animation: live-pulse 2.4s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
}

.shopboard-body { padding: 16px 18px 20px; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
  color: #f3ead8;
}

.row-label {
  color: #d4a853;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  font-weight: 600;
  padding-top: 10px;
}

.row-dim { color: #9a8e77; }
.row-big { font-size: 19px; font-weight: 600; padding: 8px 0 4px; }
.row-go { color: #d4a853; }
.ok { color: #7fb069; font-size: 12px; align-self: center; }

.rule {
  border-top: 1px dashed #3a3222;
  margin: 12px 0 4px;
}

/* ---- Built for (verticals) ------------------------------------------------ */

.verticals {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 4vh, 44px) var(--gutter) 0;
  border-top: 1px solid var(--line);
}

.verticals-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dust);
  margin-bottom: 14px;
}

.verticals-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 34px;
  row-gap: 6px;
}

.verticals-list li {
  font-family: var(--display);
  font-size: clamp(22px, 3.2vw, 36px);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--chalk);
  position: relative;
}

.verticals-list li + li::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateY(-50%);
}

.verticals-sub {
  margin-top: 14px;
  color: var(--dust);
  max-width: 62ch;
}

/* ---- Sections shared ----------------------------------------------------- */

section { scroll-margin-top: 96px; }

.section-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  margin-bottom: 40px;
}

.section-head h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(30px, 4vw, 46px);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--chalk);
  margin-bottom: 10px;
}

.section-head p { color: var(--dust); max-width: 52ch; }

/* ---- Style board (features) ---------------------------------------------- */

.styleboard { padding: clamp(56px, 9vh, 100px) 0; }

.tiles {
  list-style: none;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.tile {
  background: var(--board);
  border: 2px solid var(--line);
  border-radius: 6px;
  padding: 26px 24px 28px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.tile:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}

@media (prefers-reduced-motion: reduce) {
  .tile:hover { transform: none; }
}

.tile-no {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold-text);
  display: inline-block;
  border: 1px solid var(--brass);
  border-radius: 2px;
  padding: 3px 8px;
  margin-bottom: 18px;
}

.tile h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--chalk);
  margin-bottom: 10px;
}

.tile p { color: var(--dust); font-size: 15.5px; }

@media (max-width: 960px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .tiles { grid-template-columns: 1fr; } }

/* ---- Offline band ---------------------------------------------------------- */

.band {
  margin: clamp(40px, 8vh, 80px) 0;
  padding: clamp(48px, 8vh, 88px) var(--gutter);
  background: var(--board-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.band-line { /* gold-text for light-mode contrast */
  font-family: var(--display);
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.04;
  text-transform: uppercase;
  color: var(--gold-text);
}

.band-sub {
  margin: 18px auto 0;
  max-width: 56ch;
  color: var(--dust);
}

/* ---- How it works ------------------------------------------------------------ */

.how { padding: clamp(40px, 7vh, 80px) 0; }

.steps {
  list-style: none;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  counter-reset: step;
}

.steps li {
  border-top: 2px solid var(--line);
  padding-top: 22px;
}

.step-no {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--on-gold);
  background: var(--gold);
  border-radius: 2px;
  padding: 3px 9px;
  display: inline-block;
  margin-bottom: 14px;
}

.steps h3 {
  font-family: var(--body);
  font-weight: 600;
  font-size: 18px;
  color: var(--chalk);
  margin-bottom: 6px;
}

.steps p { color: var(--dust); font-size: 15.5px; }

@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }

/* ---- Pricing receipt ------------------------------------------------------------ */

.pricing { padding: clamp(40px, 7vh, 80px) 0 clamp(72px, 10vh, 120px); }

.receipt {
  max-width: 420px;
  margin: 0 auto;
  background: #f3ead8; /* fixed — a paper receipt in both themes */
  color: #2a2419;
  font-family: var(--mono);
  padding: 30px 28px 26px;
  border-radius: 2px;
  /* torn edges */
  --tooth: 14px;
  clip-path: polygon(
    0 8px, 3.5% 0, 7% 8px, 10.5% 0, 14% 8px, 17.5% 0, 21% 8px, 24.5% 0,
    28% 8px, 31.5% 0, 35% 8px, 38.5% 0, 42% 8px, 45.5% 0, 49% 8px, 52.5% 0,
    56% 8px, 59.5% 0, 63% 8px, 66.5% 0, 70% 8px, 73.5% 0, 77% 8px, 80.5% 0,
    84% 8px, 87.5% 0, 91% 8px, 94.5% 0, 98% 8px, 100% 4px,
    100% calc(100% - 8px), 96.5% 100%, 93% calc(100% - 8px), 89.5% 100%,
    86% calc(100% - 8px), 82.5% 100%, 79% calc(100% - 8px), 75.5% 100%,
    72% calc(100% - 8px), 68.5% 100%, 65% calc(100% - 8px), 61.5% 100%,
    58% calc(100% - 8px), 54.5% 100%, 51% calc(100% - 8px), 47.5% 100%,
    44% calc(100% - 8px), 40.5% 100%, 37% calc(100% - 8px), 33.5% 100%,
    30% calc(100% - 8px), 26.5% 100%, 23% calc(100% - 8px), 19.5% 100%,
    16% calc(100% - 8px), 12.5% 100%, 9% calc(100% - 8px), 5.5% 100%,
    2% calc(100% - 8px), 0 calc(100% - 4px)
  );
  box-shadow: 0 30px 70px -35px rgba(0, 0, 0, 0.9);
}

.receipt-title {
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.14em;
  font-size: 13px;
  margin-bottom: 6px;
}

.receipt-rule {
  border-top: 1px dashed #b9ac90;
  margin: 12px 0;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13.5px;
  padding: 3px 0;
}

.receipt-total {
  font-weight: 600;
  font-size: 16px;
}

.receipt-note {
  font-size: 12px;
  line-height: 1.55;
  color: #6d6350;
  margin-top: 4px;
}

.receipt .btn-wide {
  border-radius: 2px;
}

/* ---- Footer ------------------------------------------------------------------ */

.footer {
  border-top: 1px solid var(--line);
  padding: 36px var(--gutter) 44px;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 36px;
}

.wordmark-sm { font-size: 20px; }

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.footer-links a { color: var(--dust); text-decoration: none; }
.footer-links a:hover { color: var(--chalk); }

.footer-note {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dust);
}

@media (max-width: 720px) {
  .footer-note { margin-left: 0; }
}