*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font: inherit; color: inherit; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 2px; }

:root {
  --brand: #0050FF;
  --brand-deep: #00318F;
  --accent: #FF5400;
  --deep: #0C0C25;

  --bg: #FFFFFF;
  --surface: #F5F6FA;
  --ink: #0C0C25;
  --ink-body: #2A2A45;
  --ink-soft: #6B6B8A;
  --hairline: #E4E7F0;
  --ghost: #E8EAF2;
  --on-deep: rgba(255, 255, 255, .82);

  --pad-y: 4.5rem;
  --pad-x: 1.5rem;
  --maxw: 74rem;
  --r-card: 1.25rem;
  --r-lg: 2rem;
  --r-pill: 62.5rem;
  --r-btn: .75rem;
}
@media (min-width: 640px) { :root { --pad-y: 6rem; --pad-x: 2.5rem; } }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --brand: #4D8AFF;
    --brand-deep: #0050FF;
    --deep: #07071A;
    --bg: #07071A;
    --surface: #101026;
    --ink: #F2F3F8;
    --ink-body: #C7C9DC;
    --ink-soft: #9A9AB8;
    --hairline: #20204A;
    --ghost: #191938;
  }
}
:root[data-theme="dark"] {
  --brand: #4D8AFF;
  --brand-deep: #0050FF;
  --deep: #07071A;
  --bg: #07071A;
  --surface: #101026;
  --ink: #F2F3F8;
  --ink-body: #C7C9DC;
  --ink-soft: #9A9AB8;
  --hairline: #20204A;
  --ghost: #191938;
}

html { font-size: 16px; }
body {
  min-height: 100vh; background: var(--bg); color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-feature-settings: "cv11", "ss01";
  font-size: 1.0625rem; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
main { overflow-x: clip; }
.gutter { padding-inline: max(var(--pad-x), calc((100% - var(--maxw)) / 2)); }
.eyebrow { display: block; font-size: .8125rem; font-weight: 500; text-transform: uppercase; letter-spacing: .14em; color: var(--ink-soft); }
.eyebrow.light { color: rgba(255, 255, 255, .55); }
.h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 600; line-height: 1.06; letter-spacing: -.03em; max-width: 20ch; margin-top: .75rem; }
.h1 .accent { color: var(--brand); display: block; }
.h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 600; line-height: 1.1; letter-spacing: -.02em; margin-top: .5rem; }
.lead { margin-top: 1.25rem; max-width: 60ch; font-size: 1.125rem; line-height: 1.65; color: var(--ink-body); }
.lead.wide { max-width: 68ch; }

.pill {
  display: inline-flex; align-items: center; gap: .45rem; border-radius: var(--r-btn);
  padding: .95rem 1.7rem; font-size: .9375rem; font-weight: 500; line-height: 1;
  transition: background-color .2s, color .2s, box-shadow .2s;
}
.pill.solid { background: var(--brand); color: #fff; }
.pill.solid:hover { background: var(--brand-deep); }
.pill.ghost { background: var(--bg); color: var(--ink); box-shadow: inset 0 0 0 1px var(--hairline); }
.pill.ghost:hover { box-shadow: inset 0 0 0 1px var(--brand); color: var(--brand); }
.pill.onDeep { background: rgba(255, 255, 255, .1); color: #fff; }
.pill.onDeep:hover { background: var(--brand); }
.pill.light { background: #fff; color: #0C0C25; }
.pill.light:hover { background: var(--brand-deep); color: #fff; }

/* header */
.hdr {
  position: sticky; top: .5rem; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: .8rem max(var(--pad-x), calc((100% - var(--maxw)) / 2));
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  margin-inline: .5rem;
}
.hdr-logo { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.0625rem; letter-spacing: -.01em; }
.hdr-logo svg { width: 1.5rem; height: auto; }
.hdr-nav { display: none; gap: 1.75rem; font-size: .9375rem; color: var(--ink-soft); }
@media (min-width: 1024px) { .hdr-nav { display: flex; } }
.hdr-nav a { transition: color .2s; }
.hdr-nav a:hover, .hdr-nav a.active { color: var(--brand); }
.hdr-right { display: flex; align-items: center; gap: .6rem; }
.hdr .pill { padding: .65rem 1.2rem; font-size: .875rem; }
.burger-btn { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: var(--r-pill); border: 1px solid var(--hairline); }
@media (min-width: 1024px) { .burger-btn { display: none; } }
.mobile-nav { display: none; flex-direction: column; gap: .25rem; padding: .75rem 1rem 1rem; border-top: 1px solid var(--hairline); }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: .6rem .25rem; font-size: 1rem; }

/* hero */
.hero { position: relative; padding-block: var(--pad-y) calc(var(--pad-y) * .8); background: var(--surface); border-radius: 0 0 var(--r-lg) var(--r-lg); margin-top: -1px; }
.hero-wash { position: absolute; inset: 0; z-index: 0; pointer-events: none; background: radial-gradient(46% 40% at 92% -6%, color-mix(in srgb, var(--brand) 14%, transparent) 0%, transparent 68%); }
.hero-inner { position: relative; z-index: 1; }
.hero-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-stats { margin-top: 3rem; display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--hairline); }
@media (min-width: 768px) { .hero-stats { grid-template-columns: repeat(3, 1fr); } }
.hero-stat { padding: 1.5rem 0; border-bottom: 1px solid var(--hairline); }
@media (min-width: 768px) { .hero-stat { padding: 1.5rem 2rem; border-bottom: none; border-left: 1px solid var(--hairline); } .hero-stat:first-child { padding-left: 0; border-left: none; } }
.hero-stat b { display: block; font-size: 2.25rem; font-weight: 700; letter-spacing: -.03em; color: var(--brand); }
.hero-stat span { display: block; margin-top: .4rem; font-size: .9375rem; color: var(--ink-soft); }

/* generic section */
/* padding-block, NOT the `padding` shorthand — a shorthand's 2-value form
   also sets padding-left/right:0, and since this rule is declared after
   .gutter in this file, equal specificity means source order decides the
   winner: that 0 would clobber .gutter's centering padding-inline on every
   element using both classes together (`class="sec gutter"` etc). This bit
   us live — confirmed via user report of content flush to the left edge. */
.sec { padding-block: var(--pad-y); }
.sec.alt { background: var(--surface); border-radius: var(--r-lg); margin: .5rem; padding-block: var(--pad-y); }
.sec-head { max-width: 44rem; }

/* problem points / feature benefit grid */
.grid-2 { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 0 4rem; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.point { padding: 1.5rem 0; border-top: 1px solid var(--hairline); display: grid; grid-template-columns: 2.5rem 1fr; gap: 1.1rem; }
.point-n { font-size: .875rem; font-weight: 600; color: var(--brand); font-variant-numeric: tabular-nums; padding-top: .2rem; }
.point h3 { font-size: 1.1875rem; font-weight: 600; letter-spacing: -.01em; }
.point p { margin-top: .4rem; font-size: 1rem; color: var(--ink-body); line-height: 1.55; }

/* pillars */
.pillars { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar { padding: 1.75rem; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--r-card); }
.pillar h3 { font-size: 1.1875rem; font-weight: 600; margin-bottom: .5rem; }
.pillar p { font-size: .9688rem; color: var(--ink-body); line-height: 1.55; }

/* feature teaser cards (home + hub) */
.feature-grid { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: .5rem; }
@media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-card {
  display: flex; flex-direction: column; gap: .6rem; padding: 1.5rem;
  background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--r-card);
  transition: transform .3s cubic-bezier(.16,1,.3,1), border-color .3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--brand); }
.feature-card .tag { font-size: .75rem; font-weight: 600; color: var(--ink-soft); font-variant-numeric: tabular-nums; letter-spacing: .06em; }
.feature-card h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; line-height: 1.3; }
.feature-card .hook { font-size: .9375rem; color: var(--brand); font-weight: 500; line-height: 1.4; }
.feature-card .benefit { font-size: .9063rem; color: var(--ink-soft); line-height: 1.5; }
.feature-card .go { margin-top: auto; padding-top: .5rem; font-size: .875rem; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: .35rem; }
.feature-card:hover .go { color: var(--brand); }
.feature-card .go i { transition: transform .3s; font-style: normal; }
.feature-card:hover .go i { transform: translateX(4px); }

.feature-groups { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 3rem; }
.feature-group h2 { font-size: 1.0625rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 1rem; }

/* personas */
.persona-grid { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) { .persona-grid { grid-template-columns: repeat(2, 1fr); } }
.persona-card { padding: 2rem; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--r-card); display: flex; flex-direction: column; }
.persona-card h3 { font-size: 1.375rem; font-weight: 600; }
.persona-card p { margin-top: .75rem; font-size: 1rem; color: var(--ink-body); line-height: 1.6; }
.persona-card .stat { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--hairline); font-size: .9375rem; font-weight: 600; color: var(--brand); }
.persona-card .go { margin-top: 1.25rem; font-size: .9375rem; font-weight: 600; display: flex; align-items: center; gap: .4rem; }

/* CTA banner */
.cta-banner { margin: .5rem; padding: var(--pad-y) max(var(--pad-x), calc((100% - var(--maxw) + 4rem) / 2)); background: var(--deep); color: #fff; border-radius: var(--r-lg); text-align: center; }
.cta-banner .h2 { max-width: 32ch; margin-inline: auto; }
.cta-banner p { margin-top: 1rem; max-width: 44ch; margin-inline: auto; color: var(--on-deep); font-size: 1.0625rem; }
.cta-banner .hero-actions { justify-content: center; margin-top: 2rem; }

/* feature detail page */
.hero-stat-solo { margin-top: 2.5rem; display: inline-flex; flex-direction: column; padding: 1.5rem 2rem; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--r-card); }
.hero-stat-solo b { font-size: 2rem; font-weight: 700; color: var(--brand); letter-spacing: -.02em; }
.hero-stat-solo span { margin-top: .3rem; font-size: .9375rem; color: var(--ink-soft); }
.dramatic { margin-top: 1.5rem; font-size: 1.25rem; font-weight: 500; line-height: 1.5; color: var(--ink); max-width: 42ch; border-left: 3px solid var(--brand); padding-left: 1.25rem; }

.steps { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0; }
.step { display: grid; grid-template-columns: 3rem 1fr; gap: 1.25rem; padding: 1.5rem 0; border-top: 1px solid var(--hairline); }
.step:last-child { border-bottom: 1px solid var(--hairline); }
.step-n { width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--surface); display: grid; place-items: center; font-weight: 700; color: var(--brand); font-size: 1.0625rem; }
.step h3 { font-size: 1.125rem; font-weight: 600; }
.step p { margin-top: .35rem; font-size: .9688rem; color: var(--ink-body); line-height: 1.55; }

.benefit-grid { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) { .benefit-grid { grid-template-columns: repeat(3, 1fr); } }
.benefit-card { padding: 1.5rem; background: var(--surface); border-radius: var(--r-card); }
.benefit-card .audience { font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.benefit-card h3 { margin-top: .5rem; font-size: 1.0625rem; font-weight: 600; }
.benefit-card p { margin-top: .4rem; font-size: .9375rem; color: var(--ink-body); line-height: 1.55; }

.practice-box { margin-top: 2.5rem; padding: 2rem; background: var(--surface); border-radius: var(--r-card); border-left: 3px solid var(--accent); }
.practice-box h3 { font-size: 1.0625rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); margin-bottom: .75rem; }
.practice-box p { font-size: 1rem; color: var(--ink-body); line-height: 1.65; }

.related-grid { margin-top: 2rem; display: grid; grid-template-columns: 1fr; gap: .75rem; }
@media (min-width: 768px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }
.related-card { padding: 1.25rem 1.5rem; border: 1px solid var(--hairline); border-radius: var(--r-card); transition: border-color .2s, transform .2s; }
.related-card:hover { border-color: var(--brand); transform: translateY(-3px); }
.related-card .label { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.related-card h4 { margin-top: .35rem; font-size: 1.0625rem; font-weight: 600; }
.related-card .hook { margin-top: .35rem; font-size: .875rem; color: var(--brand); font-weight: 500; }

/* timeline (how it works) */
.timeline { margin-top: 3rem; display: flex; flex-direction: column; }
.tl-item { position: relative; padding: 0 0 2.5rem 3.25rem; border-left: 2px solid var(--hairline); }
.tl-item:last-child { border-left-color: transparent; padding-bottom: 0; }
.tl-n { position: absolute; left: -1.35rem; top: 0; width: 2.7rem; height: 2.7rem; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 1.125rem; }
.tl-item h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
.tl-item p { margin-top: .5rem; font-size: 1rem; color: var(--ink-body); line-height: 1.6; max-width: 56ch; }
.tl-item .go { margin-top: .75rem; display: inline-flex; align-items: center; gap: .4rem; font-size: .9375rem; font-weight: 600; color: var(--brand); }

/* day-in-life (persona) */
.dayinlife { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0; }
.dl-item { display: grid; grid-template-columns: 5rem 1fr; gap: 1.25rem; padding: 1.5rem 0; border-top: 1px solid var(--hairline); }
.dl-item:last-child { border-bottom: 1px solid var(--hairline); }
.dl-time { font-size: .875rem; font-weight: 700; color: var(--ink-soft); font-variant-numeric: tabular-nums; padding-top: .15rem; }
.dl-item h3 { font-size: 1.0625rem; font-weight: 600; }
.dl-item .before { margin-top: .35rem; font-size: .9375rem; color: var(--ink-soft); line-height: 1.5; }
.dl-item .after { margin-top: .5rem; font-size: .9375rem; color: var(--ink-body); line-height: 1.5; padding-left: .9rem; border-left: 2px solid var(--brand); }

/* simple sections (security) */
.simple-sections { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 2.25rem; }
.simple-section { padding-bottom: 2.25rem; border-bottom: 1px solid var(--hairline); }
.simple-section:last-child { border-bottom: none; }
.simple-section h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
.simple-section p { margin-top: .6rem; font-size: 1rem; color: var(--ink-body); line-height: 1.65; max-width: 60ch; }
.simple-section .go { margin-top: .75rem; display: inline-flex; align-items: center; gap: .4rem; font-size: .9375rem; font-weight: 600; color: var(--brand); }

/* faq */
.faq-list { margin-top: 2.5rem; display: flex; flex-direction: column; }
.faq-item { border-top: 1px solid var(--hairline); }
.faq-item:last-child { border-bottom: 1px solid var(--hairline); }
.faq-q { width: 100%; text-align: left; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.35rem 0; font-size: 1.0625rem; font-weight: 600; }
.faq-q i { font-style: normal; color: var(--ink-soft); transition: transform .25s; flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 20rem; }
.faq-a-inner { padding-bottom: 1.35rem; font-size: .9688rem; color: var(--ink-body); line-height: 1.6; max-width: 60ch; }
.faq-a-inner .go { display: inline-flex; align-items: center; gap: .4rem; margin-top: .6rem; font-size: .9063rem; font-weight: 600; color: var(--brand); }

/* demo page */
.demo-grid { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) { .demo-grid { grid-template-columns: repeat(2, 1fr); } }
.demo-card { padding: 2rem; background: var(--surface); border-radius: var(--r-card); }
.demo-card h3 { font-size: 1.25rem; font-weight: 600; }
.demo-card p { margin-top: .6rem; font-size: .9688rem; color: var(--ink-body); line-height: 1.55; }
.demo-card .pill { margin-top: 1.25rem; }
.demo-contact { margin-top: 2rem; padding: 1.5rem 2rem; border: 1px solid var(--hairline); border-radius: var(--r-card); display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.demo-contact h4 { font-size: .9375rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.demo-contact a { font-weight: 600; color: var(--brand); }

/* footer */
.ft { background: var(--deep); color: #fff; border-radius: var(--r-lg); margin: .5rem; padding: calc(var(--pad-y) * .75) max(var(--pad-x), calc((100% - var(--maxw)) / 2)); }
.ft-pitch { max-width: 46ch; font-size: .9688rem; line-height: 1.65; color: var(--on-deep); }
.ft-grid { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .ft-grid { grid-template-columns: repeat(3, 1fr); } }
.ft-col h4 { font-size: .75rem; text-transform: uppercase; letter-spacing: .18em; color: rgba(255, 255, 255, .45); }
.ft-col ul { margin-top: 1rem; display: flex; flex-direction: column; gap: .65rem; font-size: .9375rem; color: var(--on-deep); }
.ft-col a:hover { color: #fff; }
.ft-bot { margin-top: 2.5rem; padding-top: 1.75rem; border-top: 1px solid rgba(255, 255, 255, .15); display: flex; flex-direction: column; gap: .75rem; font-size: .875rem; color: rgba(255, 255, 255, .5); }
@media (min-width: 640px) { .ft-bot { flex-direction: row; justify-content: space-between; align-items: center; } }
.ft-bot a { color: rgba(255, 255, 255, .7); }
.ft-bot a:hover { color: #fff; }

/* breadcrumb-ish page eyebrow link back */
.back-link { display: inline-flex; align-items: center; gap: .4rem; font-size: .875rem; color: var(--ink-soft); margin-bottom: 1rem; }
.back-link:hover { color: var(--brand); }