/* ============================================================================
   xTriel — base.css
   Reset, base typography, links, focus rings, selection, layout container, and
   the reusable component vocabulary (.btn, .eyebrow, .gradient-text, .glass,
   .pill, .badge, section utilities, .reveal states). Everything consumes the
   design tokens in tokens.css — no duplicated hex values.
   ========================================================================== */

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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Anchor targets clear the sticky nav. */
  scroll-padding-top: calc(var(--nav-h) + var(--s4));
  -webkit-tap-highlight-color: transparent;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  letter-spacing: 0.002em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

/* Lock scroll when the mobile menu overlay is open. */
html.menu-open,
html.menu-open body { overflow: hidden; }

img, svg, canvas, video { display: block; max-width: 100%; }
svg { height: auto; }

ul, ol { list-style: none; }

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button { cursor: pointer; }

table { border-collapse: collapse; border-spacing: 0; }

:where(h1, h2, h3, h4) {
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
  text-wrap: balance;
}

p { text-wrap: pretty; }

/* ── Links ──────────────────────────────────────────────────────────────── */
a {
  color: var(--primary-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--primary-2); }

/* ── Focus rings ────────────────────────────────────────────────────────── */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--primary-2);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
.btn:focus-visible { outline-offset: 4px; }

/* ── Selection ──────────────────────────────────────────────────────────── */
::selection {
  background: var(--primary);
  color: #fff;
}

/* ── Scrollbar (subtle, on-brand) ───────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--r-pill);
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ── Mono numerals (tabular, no reflow on tick) ─────────────────────────── */
.mono,
[data-mono],
.num,
.demo-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "zero" 1;
  letter-spacing: -0.01em;
}

/* ── Layout container ───────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--s7);
}
.container--wide { max-width: var(--maxw-wide); }
.container--narrow { max-width: 820px; }

@media (max-width: 1024px) { .container { padding-inline: var(--s6); } }
@media (max-width: 768px)  { .container { padding-inline: var(--s5); } }
@media (max-width: 400px)  { .container { padding-inline: var(--s4); } }

/* ── Section rhythm utilities ───────────────────────────────────────────── */
.section { padding-block: var(--s10); position: relative; }
.section--sm { padding-block: var(--s9); }
.section--flush-top { padding-top: 0; }

@media (max-width: 768px) {
  .section { padding-block: var(--s9); }
  .section--sm { padding-block: var(--s8); }
}

/* Centered section header (eyebrow + heading + lead) */
.section-head {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--s8);
}
.section-head .lead { margin-top: var(--s4); }
@media (max-width: 768px) { .section-head { margin-bottom: var(--s7); } }

/* ── Type helpers ───────────────────────────────────────────────────────── */
.display { font-size: var(--fs-display); line-height: var(--lh-tight); letter-spacing: var(--tracking-tight); }
.h1 { font-size: var(--fs-h1); }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); }
.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--text-soft);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.muted { color: var(--text-muted); }
.soft  { color: var(--text-soft); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--primary-ink);
  margin-bottom: var(--s4);
}

/* Brand gradient text — used sparingly on one headline accent + key numbers. */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.gradient-brand {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ── Pills & badges ─────────────────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--glass);
  border: 1px solid var(--border-soft);
  font-size: var(--fs-sm);
  color: var(--text-soft);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Live indicator dot (semantic green = live). */
.live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(0, 224, 150, 0.55);
  flex: none;
}
@media (prefers-reduced-motion: no-preference) {
  .live-dot { animation: xt-pulse 2.2s var(--ease-in-out) infinite; }
}
@keyframes xt-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 224, 150, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(0, 224, 150, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 224, 150, 0); }
}

/* ── Glass surface ──────────────────────────────────────────────────────── */
.glass {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)),
    var(--card-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
/* Thin top inner-highlight so glass reads as a lit pane. */
.glass::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  pointer-events: none;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    background var(--dur) var(--ease-out),
    color var(--dur) var(--ease-out);
  overflow: hidden;
  isolation: isolate;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Primary — brand gradient fill + glow + sheen sweep on hover. */
.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--sh-glow);
}
.btn-primary:hover {
  color: #fff;
  box-shadow: var(--sh-glow-lg);
}
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-sheen);
  transform: translateX(-130%);
  z-index: -1;
}
@media (prefers-reduced-motion: no-preference) {
  .btn-primary:hover::before {
    transform: translateX(130%);
    transition: transform 0.6s var(--ease-out);
  }
}

/* Ghost — hairline + glass, brightens on hover. */
.btn-ghost {
  background: var(--glass);
  border-color: var(--border-soft);
  color: var(--text-soft);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(123, 168, 255, 0.4);
  background: var(--glass-2);
}

/* Violet variant for the Max tier CTA. */
.btn-violet {
  background: linear-gradient(135deg, color-mix(in srgb, var(--violet) 72%, #000) 0%, var(--violet) 100%);
  color: #fff;
  box-shadow: 0 8px 40px rgba(139, 92, 246, 0.35);
}
.btn-violet:hover { box-shadow: 0 16px 60px rgba(139, 92, 246, 0.45); color: #fff; }

.btn-lg {
  padding: 16px 30px;
  font-size: var(--fs-body);
  border-radius: var(--r-pill);
}
.btn-block { width: 100%; }

.btn-link {
  background: none;
  color: var(--text-soft);
  padding: 12px 14px;
}
.btn-link:hover { color: var(--text); }

/* ── Checklist (feature bullets w/ check icon) ──────────────────────────── */
.check-list { display: grid; gap: var(--s3); }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  color: var(--text-soft);
  font-size: var(--fs-body);
  line-height: 1.5;
}
.check-list .ico {
  flex: none;
  width: 20px; height: 20px;
  color: var(--green);
  margin-top: 2px;
}

/* ── Semantic value colors (profit / loss / warn) ───────────────────────── */
.is-pos { color: var(--green); }
.is-neg { color: var(--red); }
.is-warn { color: var(--amber); }

/* ── Scroll-reveal base + variants ──────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal="left"]  { transform: translateX(-24px); }
[data-reveal="right"] { transform: translateX(24px); }
[data-reveal="scale"] { transform: scale(0.96); }

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

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

/* ── Accessibility helpers ──────────────────────────────────────────────── */
.sr-only,
.demo-sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  left: var(--s4);
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border-soft);
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: var(--s4); }

/* Hidden utility (synced with [hidden] for pricing month/year toggle). */
[hidden] { display: none !important; }