/* Black Keys Studio — Fintech Landing Page
   Compiled from the Claude Design source "Fintech Landing Page.dc.html".
   The design expressed layout as inline styles; those are lifted into classes
   here (values unchanged) so responsive breakpoints can override them. */

@import "tokens/fonts.css";
@import "tokens/colors.css";
@import "tokens/typography.css";
@import "tokens/spacing.css";
@import "tokens/effects.css";

/* ---------- base ---------- */

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

body {
  margin: 0;
  background: var(--bg-canvas);
  font: var(--font-body);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

.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;
}

/* ---------- scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(0.16,1,0.3,1), transform .7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.is-in { opacity: 1; transform: none; }
/* With JS disabled the observer never runs; styles/noscript.css force-reveals. */

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* Used on both <button> and <a> (the mailto CTAs), so it has to centre its own
   label and neutralise link styling rather than rely on button defaults. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  /* Labels are short; wrapping only ever breaks out of the fixed height. */
  white-space: nowrap;
  flex: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-on-brass);
  border: none;
  transition: background var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard);
}
/* The colour is repeated on :hover deliberately — the global `a:hover` rule
   outranks `.btn-primary` alone and would otherwise paint the label brass on
   brass, making it unreadable at the exact moment it's being clicked. */
.btn-primary:hover { background: var(--accent-hover); color: var(--text-on-brass); }
.btn-primary:active { transform: scale(0.97); }

.btn--sm { height: 38px; padding: 0 var(--space-5); font-size: var(--text-sm); }
.btn--md { height: 48px; padding: 0 var(--space-6); font-size: var(--text-base); }
.btn--lg { height: 52px; padding: 0 var(--space-8); font-size: var(--text-md); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(8px);
  background: rgba(10, 14, 20, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* width:auto is load-bearing. The <img> carries width/height attributes (for
   aspect-ratio, to avoid layout shift), and that width attribute otherwise wins
   as the used width — the SVG then letterboxes its artwork inside an
   over-wide box, padding the logo with invisible space that pushes the nav out
   of the header on narrow screens. */
.site-header__logo { height: 28px; width: auto; display: block; }

.site-nav { display: flex; align-items: center; gap: var(--space-8); }

.navlink {
  font: var(--font-body-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-standard);
}
.navlink:hover { color: var(--text-primary); }

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

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-24) var(--space-6) var(--space-20);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0/40px 40px,
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0/40px 40px,
    var(--bg-canvas);
}

.hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(242,169,59,0.10), transparent 70%);
}

.hero__inner {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.hero__title {
  font: var(--font-display);
  color: var(--text-primary);
  margin: 0 0 var(--space-5);
  letter-spacing: var(--tracking-tight);
}

.hero__sub {
  font: var(--font-body-lg);
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto var(--space-8);
}

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

/* ---------- badge / eyebrow ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  margin-bottom: var(--space-6);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--state-positive);
  flex: none;
}

.eyebrow {
  font: var(--font-eyebrow);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-secondary);
}
.eyebrow--accent { color: var(--accent); }

/* ---------- sections ---------- */

.section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-24) var(--space-6);
}
.section--pad-tight-bottom { padding-bottom: var(--space-16); }

.section-head { max-width: 720px; margin-bottom: var(--space-12); }

.section-title {
  font: var(--font-h2);
  color: var(--text-primary);
  margin: var(--space-3) 0 var(--space-4);
  letter-spacing: var(--tracking-tight);
}

.section-lede {
  font: var(--font-body-lg);
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- pillar cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}
.pillar-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }

/* The reveal transform and the hover transform target the same property; while an
   element is still revealing, let the reveal win rather than fighting mid-flight. */
.pillar-card.reveal:not(.is-in):hover { transform: translateY(18px); }

.pillar-card__metric {
  font: var(--font-mono-data);
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.pillar-card__title {
  font: var(--font-h3);
  color: var(--text-primary);
  margin: 0 0 var(--space-3);
}

.pillar-card__body {
  font: var(--font-body);
  color: var(--text-secondary);
  margin: 0;
}
.pillar-card__body--spaced { margin-bottom: var(--space-5); }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  font: var(--font-mono-sm);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* ---------- reliability band ---------- */

.band {
  background: var(--bg-surface-inset);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.band__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-24) var(--space-6);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-16);
  align-items: center;
}

/* 1px gap over a bordered container renders the hairline rules between stats. */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat { background: var(--bg-surface); padding: var(--space-6); }

.stat__value {
  font: var(--weight-semibold) var(--text-3xl)/1 var(--font-mono);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.stat__label {
  font: var(--font-body-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-3);
}

/* ---------- cta + footer ---------- */

.cta { border-top: 1px solid var(--border-subtle); }

.cta__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.cta__title {
  font: var(--font-h2);
  color: var(--text-primary);
  margin: 0 0 var(--space-3);
  letter-spacing: var(--tracking-tight);
}

.cta__sub {
  font: var(--font-body-lg);
  color: var(--text-secondary);
  margin: 0;
}

.site-footer { border-top: 1px solid var(--border-subtle); }

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

/* width:auto for the same reason as .site-header__logo. */
.site-footer__mark { height: 24px; width: auto; display: block; }

.site-footer__legal {
  font: var(--font-body-sm);
  color: var(--text-tertiary);
}

/* ---------- responsive ----------
   The source comp is a fixed 1200x900 preview and specifies no smaller
   breakpoints. Desktop rendering above 960px is unchanged from the design. */

@media (max-width: 960px) {
  .card-grid { grid-template-columns: 1fr; }
  .band__inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .section, .band__inner { padding-top: var(--space-20); padding-bottom: var(--space-20); }
  .section--pad-tight-bottom { padding-bottom: var(--space-12); }
}

@media (max-width: 720px) {
  :root {
    /* Step the top of the scale down; the semantic roles inherit this. */
    --text-5xl: 40px;
    --text-4xl: 34px;
    --text-3xl: 30px;
    --text-xl: 21px;
  }

  .site-nav__links { display: none; }
  /* Logo + CTA must share ~375px; trim the gutter and the lockup to fit. */
  .site-header__inner { padding-left: var(--space-4); padding-right: var(--space-4); }
  .site-header__logo { height: 24px; }
  .hero { padding-top: var(--space-16); padding-bottom: var(--space-16); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .cta__inner { flex-direction: column; align-items: flex-start; }
  .cta__inner .btn { width: 100%; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .stat-grid { grid-template-columns: 1fr; }
}