/* ============================================================================
   SourceRank AI - design system  (editorial edition)
   Preston Hall's editorial composition: warm cream paper ground, dark ink
   bands for hero / CTA / footer, mono eyebrow labels, numbered sections,
   hairline rules, generous whitespace, restraint. SourceRank's brand carries:
   Space Grotesk + IBM Plex Mono, and the blue->cyan gradient as the single
   accent (replacing Preston Hall's bronze). AEO-disciplined: copy is
   server-rendered, JS only decorates.
   ============================================================================ */

/* ---------- Fonts (self-hosted, preloaded in <head>) ---------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/space-grotesk-var.woff2") format("woff2");
  font-weight: 300 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/plexmono.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk Fallback";
  src: local("Arial");
  size-adjust: 96%; ascent-override: 95%; descent-override: 24%; line-gap-override: 0%;
}

/* ---------- Tokens ---------- */
:root {
  --paper: #F6F3EC;            /* warm cream ground */
  --paper-deep: #EDE8DC;       /* alternating sections */
  --ink: #0B0E15;             /* dark bands (hero, CTA, footer) */
  --ink-soft: #111722;        /* raised dark surfaces */
  --text: #1A1A1A;            /* primary text on paper */
  --text-2: #5A574F;          /* secondary text on paper */
  --text-3: #8C887E;          /* captions, labels on paper */
  --line: rgba(11,14,21,0.14); /* hairlines on paper */
  --line-soft: rgba(11,14,21,0.08);

  --on-ink: #F6F3EC;          /* text on dark bands */
  --on-ink-dim: rgba(246,243,236,0.66);
  --on-ink-mute: rgba(246,243,236,0.40);
  --line-ink: rgba(246,243,236,0.16);

  --blue: #3B82F6;
  --cyan: #22D3EE;
  --accent: #1F6FEB;          /* link/accent on paper (deepened blue for contrast) */
  --grad: linear-gradient(100deg, var(--blue), var(--cyan));

  --font-display: "Space Grotesk", "Space Grotesk Fallback", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t: 200ms;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.62;
  color: var(--text-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: rgba(34,211,238,0.28); }

/* ---------- Type ---------- */
h1, h2, h3, h4 { color: var(--text); font-weight: 600; line-height: 1.06; margin: 0; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.03em; }
h3 { font-size: 1.3rem; letter-spacing: -0.015em; }
p { margin: 0 0 1rem; }
strong { color: var(--text); font-weight: 600; }
.measure { max-width: 40rem; }
.measure-sm { max-width: 32rem; }
.mono { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--text-3); }

.kicker {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 400;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3);
  display: inline-flex; align-items: center; gap: 0.7em;
}
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--text-3); }
.kicker--grad::before { background: var(--grad); width: 28px; height: 2px; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Layout + bands ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(64px, 9vw, 132px); position: relative; }
.section--tight { padding-block: clamp(44px, 6vw, 84px); }
.band-deep { background: var(--paper-deep); }
.band-ink {
  background: var(--ink); color: var(--on-ink-dim);
  --text: var(--on-ink); --text-2: var(--on-ink-dim); --text-3: var(--on-ink-mute); --line: var(--line-ink);
}
.band-ink h1, .band-ink h2, .band-ink h3 { color: var(--on-ink); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- Buttons (uppercase mono, editorial) ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 1.05em 1.6em; border: 1px solid var(--text); color: var(--text); background: transparent;
  border-radius: 2px; cursor: pointer; transition: background var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t);
}
.btn .arr { transition: transform var(--t) var(--ease); }
.btn:hover { background: var(--text); color: var(--paper); }
.btn:hover .arr { transform: translateX(4px); }
.band-ink .btn:hover { color: var(--ink); }
.btn--primary { border: 0; color: var(--ink); background: var(--grad); position: relative; }
.btn--primary:hover { color: var(--ink); filter: brightness(1.06); background: var(--grad); }
.btn--ghost { border-color: var(--line); }
.btn--ghost:hover { border-color: var(--text); }
.btn--lg { padding: 1.15em 1.9em; font-size: 0.78rem; }

.link-arrow {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text); display: inline-flex; align-items: center; gap: 0.7em; padding-bottom: 0.3em;
  border-bottom: 1px solid var(--line); transition: border-color var(--t), gap var(--t) var(--ease);
}
.link-arrow:hover { border-color: var(--text); gap: 1em; }
.link-arrow .arr { color: var(--cyan); }

.link-underline { color: var(--text); position: relative; white-space: nowrap; }
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 100%;
  background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform var(--t) var(--ease);
}
.link-underline:hover::after { transform: scaleX(1); }

/* ---------- Credibility bar (thin, ink) ---------- */
.cred {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--on-ink-dim);
  background: var(--ink); border-bottom: 1px solid var(--line-ink);
  display: flex; justify-content: center; gap: 1.4em; padding: 0.65em var(--pad); text-align: center; text-transform: uppercase;
}
.cred a { color: var(--on-ink); }
.cred .dot { color: var(--cyan); }

/* ---------- Nav (paper, sticky) ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: blur(12px) saturate(120%); backdrop-filter: blur(12px) saturate(120%);
  border-bottom: 1px solid var(--line);
}
.nav__in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 1.05rem; }
.nav__links { display: flex; align-items: center; gap: 1.9rem; }
.nav__links a { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); transition: color var(--t); }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--text); }
.nav__cta { display: flex; align-items: center; gap: 1rem; }
.nav__toggle { display: none; }

/* ---------- Brand lockup ---------- */
.lockup { display: inline-flex; align-items: center; gap: 12px; }
.lockup__mark { width: 34px; height: 34px; flex: 0 0 auto; }
.lockup__word { font-weight: 600; font-size: 1.22rem; letter-spacing: -0.02em; color: var(--text); line-height: 1; }
.lockup__word .ai { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 1px; }

/* ---------- Hero (dark ink band) ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(80px, 13vw, 184px); }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(70% 60% at 82% 8%, rgba(34,211,238,0.16), transparent 60%),
    radial-gradient(60% 60% at 6% 100%, rgba(59,130,246,0.18), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(var(--line-ink) 1px, transparent 1px), linear-gradient(90deg, var(--line-ink) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 20%, transparent 75%);
          mask-image: radial-gradient(120% 100% at 50% 0%, #000 20%, transparent 75%);
}
.hero .wrap { position: relative; z-index: 1; }
.hero__brand { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-ink-mute); margin-bottom: 2rem; }
.hero h1 { max-width: 16ch; margin-bottom: 1.6rem; }
.hero h1 .em { font-style: italic; }
.hero__lede { font-size: clamp(1.1rem, 1.5vw, 1.3rem); color: var(--on-ink-dim); max-width: 40rem; margin-bottom: 2.4rem; }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem; }

/* ---------- Hero signature mark: the rank-line draw-in (the one kinetic moment) ----------
   Progressive enhancement: the mark is drawn statically by default (no-JS safe, CLS 0).
   With JS it resets to the start state and draws in once on load. prefers-reduced-motion
   resolves it instantly to the final, fully-drawn state. No JS is used for any of this. */
.hero__mark { width: 60px; height: 60px; margin-bottom: 1.7rem; overflow: visible; }
.hero__mark .rule { stroke: var(--on-ink); stroke-opacity: 0.16; }
.hero__mark .line {
  stroke: url(#hgrad); stroke-width: 5; fill: none; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 120; stroke-dashoffset: 0;
}
.hero__mark .node, .hero__mark .halo { opacity: 1; transform-box: fill-box; transform-origin: center; }
.js .hero__mark .line { stroke-dashoffset: 120; animation: hero-draw 1100ms var(--ease) 200ms forwards; }
.js .hero__mark .node { opacity: 0; animation: hero-pop 600ms var(--ease) 1150ms forwards; }
.js .hero__mark .halo { opacity: 0; animation: hero-halo 900ms ease-out 1150ms forwards; }
.no-motion .hero__mark .line { stroke-dashoffset: 0; animation: none; }
.no-motion .hero__mark .node, .no-motion .hero__mark .halo { opacity: 1; animation: none; }
@keyframes hero-draw { to { stroke-dashoffset: 0; } }
@keyframes hero-pop { 0% { opacity: 0; transform: scale(0.3); } 60% { opacity: 1; transform: scale(1.14); } 100% { opacity: 1; transform: scale(1); } }
@keyframes hero-halo { 0% { opacity: 0; transform: scale(0.4); } 60% { opacity: 0.7; } 100% { opacity: 0.6; transform: scale(1); } }

/* ---------- Proof strip ---------- */
.proof { border-top: 1px solid var(--line-ink); }
.proof__row { display: grid; grid-template-columns: repeat(3, 1fr); position: relative; z-index: 1; }
.proof__item { padding: clamp(28px, 4vw, 44px) 0; padding-right: 2rem; }
.proof__num { font-family: var(--font-mono); font-size: clamp(2rem, 4vw, 3rem); color: var(--on-ink); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; line-height: 1; }
.proof__num .u { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.proof__cap { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-ink-mute); margin-top: 0.9rem; }
.proof__note { font-size: 0.92rem; color: var(--on-ink-dim); max-width: 46rem; padding-top: 1.6rem; border-top: 1px solid var(--line-ink); position: relative; z-index: 1; }

/* ---------- Section head ---------- */
.shead { display: flex; flex-direction: column; gap: 1.1rem; margin-bottom: clamp(40px, 5vw, 72px); max-width: 46rem; }
.shead h2 { max-width: 18ch; }
.shead p { color: var(--text-2); max-width: 42rem; }
.shead--center { margin-inline: auto; align-items: center; text-align: center; }

/* ---------- "A different way" 3-col ---------- */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 4vw, 56px); }
.trio article { display: flex; flex-direction: column; gap: 0.8rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.trio h3 { font-size: 1.18rem; }
.trio p { color: var(--text-2); font-size: 0.98rem; margin: 0; }

/* ---------- Numbered capability rows (THE OFFERING) ---------- */
.offer { border-top: 1px solid var(--line); }
.offer__row {
  display: grid; grid-template-columns: 5.5rem 1fr auto; gap: clamp(16px, 3vw, 48px); align-items: start;
  padding-block: clamp(30px, 3.6vw, 48px); border-bottom: 1px solid var(--line);
  transition: background var(--t) var(--ease); position: relative;
}
.band-deep .offer__row:hover, .offer__row:hover { background: rgba(11,14,21,0.025); }
.offer__n { font-family: var(--font-mono); font-size: 1.05rem; color: var(--text-3); font-variant-numeric: tabular-nums; padding-top: 0.4rem; }
.offer__body { max-width: 46rem; }
.offer__body h3 { margin-bottom: 0.7rem; }
.offer__body p { color: var(--text-2); margin: 0; font-size: 1rem; }
.offer__arrow { align-self: center; color: var(--text-3); font-family: var(--font-mono); transition: transform var(--t) var(--ease), color var(--t); }
.offer__row:hover .offer__arrow { color: var(--cyan); transform: translateX(4px); }

/* ---------- Homepage process (HOW WE WORK) - 4-col flow ---------- */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: clamp(28px,4vw,48px); }
.flow__step { background: var(--paper); padding: clamp(22px, 2.4vw, 32px); display: flex; flex-direction: column; gap: 0.9rem; }
.band-deep .flow__step { background: var(--paper-deep); }
.flow__n { font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent); font-variant-numeric: tabular-nums; }
.flow__n::after { content: ""; display: block; width: 26px; height: 2px; background: var(--grad); margin-top: 0.7rem; }
.flow__step h3 { font-size: 1.05rem; }
.flow__step p { color: var(--text-2); font-size: 0.92rem; margin: 0; }

/* ---------- Chips (WHERE WE WORK) ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.8rem; }
.chip {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-2); border: 1px solid var(--line); border-radius: 2px; padding: 0.6em 1em; transition: border-color var(--t), color var(--t);
}
a.chip:hover { border-color: var(--text); color: var(--text); }

/* ---------- The belief (big quote) ---------- */
.belief blockquote {
  margin: 0; font-size: clamp(1.7rem, 3.8vw, 3rem); line-height: 1.16; letter-spacing: -0.03em; color: var(--text);
  font-weight: 500; max-width: 20ch;
}
.belief blockquote .em { font-style: italic; }
.belief blockquote .grad-text { font-style: italic; }
.belief__cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); margin-top: clamp(32px, 4vw, 56px); }
.belief__cols p { color: var(--text-2); }
.pull { font-size: clamp(1.3rem, 2.6vw, 1.9rem); color: var(--text); font-weight: 500; letter-spacing: -0.02em; line-height: 1.25; max-width: 24ch; border-left: 2px solid; border-image: var(--grad) 1; padding-left: 1.3rem; }

/* ---------- Generic cards (interior pages) ---------- */
.cards { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--paper); padding: clamp(24px, 2.6vw, 34px); display: flex; flex-direction: column; gap: 0.7rem; transition: background var(--t); }
.band-deep .card { background: var(--paper-deep); }
.card:hover { background: var(--paper-deep); }
.band-deep .card:hover { background: #E6E0D2; }
.card__n { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-3); letter-spacing: 0.1em; }
.card h3 { font-size: 1.16rem; }
.card p { color: var(--text-2); font-size: 0.96rem; margin: 0; }
.card__link { margin-top: auto; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--accent); display: inline-flex; gap: 0.5em; text-transform: uppercase; }

/* interior 'steps' (numbered vertical rows) used by how-it-works and others */
.steps { border-top: 1px solid var(--line); }
.steps .step { display: grid; grid-template-columns: 4rem 1fr; gap: clamp(16px,3vw,40px); padding-block: clamp(26px,3vw,42px); border-bottom: 1px solid var(--line); align-items: start; }
.steps .step__n { font-family: var(--font-mono); font-size: 1.3rem; color: var(--text-3); font-variant-numeric: tabular-nums; }
.steps .step__n .bar { display:block; width: 26px; height: 2px; background: var(--grad); margin-top: 0.6rem; }
.steps .step__body { max-width: 46rem; }
.steps .step__body h3 { margin-bottom: 0.5rem; }
.steps .step__body p { color: var(--text-2); margin: 0; }

/* ---------- Pricing tiers ---------- */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tier { background: var(--paper); padding: clamp(24px,2.4vw,32px) clamp(20px,2vw,28px); display: flex; flex-direction: column; gap: 1rem; position: relative; }
.tier--featured { background: var(--paper-deep); }
.tier--featured::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); }
.tier__tag { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.tier__name { color: var(--text); font-size: 1.2rem; font-weight: 600; }
.tier__price { font-family: var(--font-mono); color: var(--text); font-size: 2rem; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.tier__price .per { font-size: 0.8rem; color: var(--text-3); letter-spacing: 0; }
.tier__for { font-size: 0.9rem; color: var(--text-2); min-height: 2.6em; }
.tier__list { list-style: none; padding: 0; margin: 0.4rem 0 1.2rem; display: flex; flex-direction: column; gap: 0.65rem; font-size: 0.9rem; color: var(--text-2); }
.tier__list li { display: grid; grid-template-columns: 16px 1fr; gap: 0.55rem; align-items: start; }
.tier__list .tick { color: var(--accent); }
.tier .btn { margin-top: auto; justify-content: center; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); max-width: 52rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.3rem 0; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { font-size: 1.18rem; color: var(--text); font-weight: 500; transition: color var(--t); }
.faq details[open] summary h3 { color: var(--accent); }
.faq .sign { position: relative; width: 15px; height: 15px; flex: 0 0 auto; }
.faq .sign::before, .faq .sign::after { content: ""; position: absolute; background: var(--text-3); transition: transform var(--t) var(--ease), background var(--t); }
.faq .sign::before { top: 7px; left: 0; width: 15px; height: 1.5px; }
.faq .sign::after { left: 7px; top: 0; width: 1.5px; height: 15px; }
.faq details[open] .sign::after { transform: rotate(90deg); opacity: 0; }
.faq details[open] .sign::before { background: var(--accent); }
.faq .answer { color: var(--text-2); padding: 0 0 1.4rem; max-width: 46rem; }
.faq .answer p { margin: 0 0 0.8rem; }

/* ---------- CTA band (ink) ---------- */
.cta { position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; z-index: 0; background: radial-gradient(70% 130% at 50% 130%, rgba(34,211,238,0.16), transparent 62%); }
.cta .wrap { position: relative; z-index: 1; }
.cta__in { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 1.4rem; }
.cta__in h2 { max-width: 16ch; }
.cta__in p { color: var(--on-ink-dim); max-width: 40rem; }
.cta__row { display: flex; flex-wrap: wrap; gap: 1.1rem; align-items: center; justify-content: center; margin-top: 0.6rem; }
.cta__mail { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-ink-dim); }
.cta__mail a { color: var(--cyan); }

/* ---------- 404 ---------- */
.notfound { min-height: 60vh; display: flex; align-items: center; }
.notfound .hero__mark { margin-bottom: 0.4rem; }
.notfound h1 { max-width: 18ch; }

/* ---------- Footer (ink) ---------- */
.footer { background: var(--ink); color: var(--on-ink-dim); border-top: 1px solid var(--line-ink); }
.footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; padding-block: clamp(48px, 5vw, 72px); }
.footer .lockup__word { color: var(--on-ink); }
.footer__brand p { font-family: var(--font-mono); font-size: 0.72rem; color: var(--on-ink-mute); margin-top: 1.1rem; max-width: 28ch; line-height: 1.7; letter-spacing: 0.02em; }
.footer h4 { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-ink-mute); font-weight: 400; margin-bottom: 1.1rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.footer a { color: var(--on-ink-dim); font-size: 0.9rem; transition: color var(--t); }
.footer a:hover { color: var(--on-ink); }
.footer__legal { border-top: 1px solid var(--line-ink); padding-block: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--on-ink-mute); }

/* ---------- Interior page hero + breadcrumb (on paper) ---------- */
.crumb { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); padding-top: 1.8rem; }
.crumb a:hover { color: var(--text); }
.crumb .sep { margin: 0 0.6em; color: var(--line); }
.phero { padding-top: clamp(40px, 5vw, 72px); padding-bottom: clamp(28px, 3.5vw, 52px); }
.phero h1 { max-width: 18ch; margin-bottom: 1.3rem; }
.phero__lede { font-size: clamp(1.08rem, 1.4vw, 1.25rem); color: var(--text-2); max-width: 42rem; }

/* legacy hooks kept so existing interior content classes still render */
.hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.answer-card { background: var(--ink-soft); border: 1px solid var(--line-ink); border-radius: 6px; padding: 1.3rem; color: var(--on-ink-dim); }

/* ---------- Reveal motion ---------- */
.reveal { opacity: 0; transform: translateY(14px); }
.js .reveal { transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.no-js .reveal, .no-motion .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .trio { grid-template-columns: 1fr; gap: 0; }
  .steps, .tiers, .cards--3, .cards--4 { grid-template-columns: 1fr 1fr; }
  .belief__cols { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .nav__links, .nav__cta .btn--primary { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav[data-open="true"] .nav__links { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0.2rem; padding: 0.8rem var(--pad) 1.2rem; background: var(--paper); border-bottom: 1px solid var(--line); }
  .nav[data-open="true"] .nav__links a { padding: 0.6rem 0; width: 100%; }
  .proof__row { grid-template-columns: 1fr; }
  .proof__item { border-top: 1px solid var(--line-ink); padding-right: 0; }
  .steps, .tiers, .cards--2, .cards--3, .cards--4, .hero__grid { grid-template-columns: 1fr; }
  .offer__row { grid-template-columns: 3rem 1fr; }
  .offer__arrow { display: none; }
  .cred { flex-wrap: wrap; gap: 0.4em 1.2em; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---- Lead form (contact page) ---- */
.form-wrap { max-width: 720px; }
.lead-form { display: grid; gap: 1.25rem; }
.field-row { display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: 0.5rem; }
.field label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-3); }
.lead-form input, .lead-form select, .lead-form textarea {
  font: inherit; color: var(--text); background: var(--paper);
  border: 1px solid var(--line); border-radius: 10px; padding: 0.8em 0.9em; width: 100%;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.lead-form textarea { resize: vertical; min-height: 7rem; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,111,235,0.18);
}
.lead-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.lead-form button[type="submit"] { justify-self: start; }
.lead-form button[aria-busy="true"] { opacity: 0.7; pointer-events: none; }
.form-status { border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; background: var(--paper-deep); }
.form-status p { margin: 0; }
.form-status--error { border-color: rgba(192,57,43,0.5); }
/* No-JS error surface: a failed native submit redirects to /contact/#form-error,
   and :target reveals the otherwise-hidden error block (specificity beats [hidden]). */
#form-error:target { display: block; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
