/* =========================================================
   Whir Mixer — main stylesheet
   Palette: graphite + marigold yellow
   ========================================================= */

:root {
  --bg: #14151a;
  --bg-2: #1d1f26;
  --bg-3: #262932;
  --line: #2f323c;
  --line-2: #363945;
  --ink: #ebe9e4;
  --ink-2: #c8c6c0;
  --ink-dim: #9aa0ab;
  --ink-mute: #6b6f7c;
  --accent: #ffd23f;
  --accent-2: #f5a623;
  --accent-soft: rgba(255, 210, 63, 0.08);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Sora', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--accent-2); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.2;
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem; }

p { margin: 0 0 1em; color: var(--ink-2); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 21, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--ink); }
.brand-mark { width: 28px; height: 28px; flex-shrink: 0; }

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-dim);
  font-size: 0.93rem;
  font-weight: 500;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease;
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--accent);
  color: #14151a;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #14151a;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn .arrow {
  width: 14px;
  height: 14px;
  transition: transform .15s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* =========================================================
   Sections
   ========================================================= */
.section { padding: 80px 0; }
.section-tight { padding: 48px 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 18px;
  padding-left: 22px;
  position: relative;
}
.eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  background: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-2);
  max-width: 62ch;
  line-height: 1.55;
}

/* =========================================================
   Hero (home only)
   ========================================================= */
.hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 60px;
  align-items: center;
}
.hero h1 {
  margin-bottom: 24px;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub {
  font-size: 1.2rem;
  color: var(--ink-2);
  max-width: 56ch;
  margin-bottom: 32px;
  line-height: 1.55;
}
.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 520px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.hero-vis {
  width: 100%;
  max-width: 480px;
  justify-self: end;
}
.hero-vis img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

/* =========================================================
   Page hero (secondary pages)
   ========================================================= */
.page-hero {
  padding: 70px 0 40px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  margin-bottom: 20px;
}
.page-hero .lede {
  font-size: 1.1rem;
}

/* =========================================================
   Breadcrumbs
   ========================================================= */
.breadcrumbs {
  padding: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
}
.breadcrumbs a { color: var(--ink-dim); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { margin: 0 10px; color: var(--line-2); }
.breadcrumbs .here { color: var(--accent); }

/* =========================================================
   Process steps (home)
   ========================================================= */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.step {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: border-color .2s ease;
}
.step:hover { border-color: var(--line-2); }
.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.step h3 {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.step p {
  color: var(--ink-dim);
  font-size: 0.95rem;
  margin: 0;
}

/* =========================================================
   Reasons grid (home)
   ========================================================= */
.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.reason {
  border-top: 2px solid var(--accent);
  padding-top: 22px;
}
.reason h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.reason p {
  color: var(--ink-dim);
  font-size: 0.92rem;
  margin: 0;
}

/* =========================================================
   Two-column block (text + image)
   ========================================================= */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}
.two-col img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  width: 100%;
}

/* =========================================================
   Comparison table
   ========================================================= */
.table-wrap {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
table.compare,
table.fee-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  background: var(--bg-2);
}
table.compare th,
table.compare td,
table.fee-table th,
table.fee-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
table.compare thead th,
table.fee-table thead th {
  background: var(--bg-3);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--line-2);
}
table.compare tbody tr:last-child td,
table.fee-table tbody tr:last-child td { border-bottom: none; }
table.compare tbody td:first-child,
table.fee-table tbody td:first-child {
  color: var(--ink);
  font-weight: 500;
}
table.compare td {
  color: var(--ink-2);
}
table.compare .col-whir {
  color: var(--accent);
  font-weight: 600;
}
table.compare .yes { color: var(--accent); font-weight: 600; }
table.compare .no { color: var(--ink-mute); }

/* =========================================================
   FAQ (home) — JS-driven
   ========================================================= */
.faq {
  margin-top: 32px;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 22px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
}
.faq-q .plus {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--accent);
  transition: transform .2s ease;
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-a { max-height: 600px; }
.faq-a-inner {
  padding-bottom: 22px;
  padding-right: 48px;
  color: var(--ink-2);
}

/* FAQ (extended page) — native details */
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0;
}
.faq-list details:first-child {
  border-top: 1px solid var(--line);
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::marker { content: ''; }
.faq-list summary .chev {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform .2s ease;
}
.faq-list details[open] summary .chev { transform: rotate(180deg); }
.faq-list details > p {
  margin: 0 0 22px;
  padding-right: 36px;
  color: var(--ink-2);
}

/* =========================================================
   Article body (secondary pages)
   ========================================================= */
.article {
  max-width: 760px;
  margin: 0 auto;
}
.article p {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink-2);
}
.article h2 {
  margin: 56px 0 18px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.article h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.article h3 {
  margin: 32px 0 12px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.article ul, .article ol {
  padding-left: 22px;
  color: var(--ink-2);
  margin: 18px 0;
}
.article li {
  margin-bottom: 10px;
  line-height: 1.6;
}
.article li strong { color: var(--ink); }
.article figure {
  margin: 40px 0;
}
.article figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.article figcaption {
  margin-top: 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

/* Callout */
.callout {
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  padding: 22px 26px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 32px 0;
}
.callout p { margin: 0; color: var(--ink-2); }
.callout strong { color: var(--accent); font-weight: 600; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 60px 0 30px;
  margin-top: 80px;
  background: #101115;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.foot-brand p {
  color: var(--ink-dim);
  font-size: 0.92rem;
  margin-top: 14px;
  max-width: 40ch;
}
.foot-col h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
  font-weight: 500;
}
.foot-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.foot-col li { margin-bottom: 10px; }
.foot-col a {
  color: var(--ink-dim);
  font-size: 0.93rem;
}
.foot-col a:hover { color: var(--accent); }
.foot-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  flex-wrap: wrap;
  gap: 12px;
}

/* =========================================================
   Focus / accessibility
   ========================================================= */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-vis { max-width: 420px; justify-self: start; }
  .two-col {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
  .section { padding: 60px 0; }
  .hero { padding: 60px 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 18px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 8px 0; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border-bottom: none; }
  .menu-toggle { display: inline-flex; }
  .nav-cta .btn-primary { display: none; }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .foot-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .foot-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}