/* ProAura Health — landing styles (compliance-locked rewrite)
   Sections: Hero · How it works · What you get · Positioning · Clinician-led care · Pricing · Footer */

:root {
  --paper:    oklch(0.985 0.005 90);
  --paper-2:  oklch(0.965 0.008 85);
  --paper-3:  oklch(0.93 0.01 85);
  --line:     oklch(0.88 0.012 80);
  --line-2:   oklch(0.82 0.014 80);

  --ink:      oklch(0.22 0.015 250);
  --ink-2:    oklch(0.34 0.014 250);
  --ink-3:    oklch(0.5  0.012 250);
  --ink-4:    oklch(0.62 0.01  250);

  --accent-h: 200;
  --accent:   oklch(0.55 0.08 var(--accent-h));
  --accent-2: oklch(0.45 0.09 var(--accent-h));
  --accent-soft: oklch(0.93 0.03 var(--accent-h));

  --warn: oklch(0.6 0.12 50);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;

  --pad: clamp(20px, 4vw, 56px);
  --maxw: 1240px;

  --serif: "Instrument Serif", "Iowan Old Style", "Georgia", serif;
  --sans:  "Geist", -apple-system, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:  "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* Wordmark */
.pa-wordmark {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--serif); font-size: 22px; letter-spacing: -0.01em; line-height: 1;
}
.pa-wordmark__sub { font-family: var(--sans); font-size: 0.55em; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.7; margin-left: 4px; }

/* Buttons */
.pa-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 500; letter-spacing: -0.005em;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.pa-btn--primary { background: var(--ink); color: var(--paper); }
.pa-btn--primary:hover { background: var(--accent-2); }
.pa-btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-2); }
.pa-btn--ghost:hover { background: var(--paper-2); border-color: var(--ink-3); }

/* Nav */
.pa-nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--paper) 90%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.pa-nav--scrolled { border-bottom-color: var(--line); }
.pa-nav__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 14px var(--pad);
  display: grid; grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 24px;
}
.pa-nav__brand { display: inline-flex; }
.pa-nav__links { display: flex; gap: 28px; justify-content: center; font-size: 14px; color: var(--ink-2); }
.pa-nav__links a { padding: 6px 0; }
.pa-nav__links a:hover { color: var(--ink); }
.pa-nav__cta { display: flex; gap: 10px; align-items: center; }
.pa-nav__burger {
  display: none; width: 36px; height: 36px; border: 1px solid var(--line-2); border-radius: 8px;
  align-items: center; justify-content: center; flex-direction: column; gap: 4px;
}
.pa-nav__burger span { width: 16px; height: 1.5px; background: var(--ink); display: block; }
@media (max-width: 920px) {
  .pa-nav__links, .pa-nav__cta { display: none; }
  .pa-nav__inner { grid-template-columns: 1fr auto; }
  .pa-nav__burger { display: inline-flex; }
}
.pa-nav__sheet {
  border-top: 1px solid var(--line);
  padding: 18px var(--pad);
  display: flex; flex-direction: column; gap: 14px;
  background: var(--paper);
}
.pa-nav__sheet a { font-size: 18px; }
.pa-nav__sheet-cta { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }

/* Hero */
.pa-hero { position: relative; border-bottom: 1px solid var(--line); }
.pa-hero__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) var(--pad) clamp(48px, 6vw, 80px);
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 920px) { .pa-hero__inner { grid-template-columns: 1fr; } }
.pa-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--ink-3); margin-bottom: 28px;
}
.pa-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 25%, transparent);
}
.pa-hero__title {
  font-family: var(--serif);
  font-size: clamp(40px, 6.2vw, 84px);
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--ink); text-wrap: balance;
}
.pa-hero__title em { font-style: italic; color: var(--accent-2); }
.pa-hero__lede {
  margin-top: 48px; font-size: clamp(16px, 1.4vw, 18px);
  color: var(--ink-2); max-width: 56ch; text-wrap: pretty;
}
.pa-hero__cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

.pa-hero__panel { display: grid; gap: 14px; }
.pa-hero__frame {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.pa-hero__frame-head { margin-bottom: 14px; }
.pa-hero__pathway { display: grid; gap: 2px; }
.pa-hero__pathway li {
  display: grid; grid-template-columns: 36px 1fr; align-items: center;
  padding: 14px 6px; border-bottom: 1px solid var(--line);
  font-size: 15px; color: var(--ink);
}
.pa-hero__pathway li:last-child { border-bottom: 0; }
.pa-hero__pathway li span {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--ink-3);
}

.pa-hero__rail {
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-3);
  display: flex; gap: 16px; flex-wrap: wrap;
  padding: 14px var(--pad);
  max-width: var(--maxw); margin: 0 auto;
}

/* Cards / kickers */
.pa-card__kicker {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-3);
}

/* Sections */
.pa-section {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(64px, 9vw, 128px) var(--pad);
}
.pa-section__head { max-width: 760px; margin-bottom: 56px; }
.pa-section__kicker {
  display: inline-block;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--ink-3); margin-bottom: 16px;
  padding-bottom: 6px; border-bottom: 1px solid var(--line-2);
}
.pa-section__kicker--ink { color: rgba(255,255,255,0.65); border-bottom-color: rgba(255,255,255,0.18); }
.pa-section__title {
  font-family: var(--serif);
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.05; letter-spacing: -0.02em;
  color: var(--ink); text-wrap: balance;
}

/* How it works */
.pa-how__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--line);
}
.pa-how__step {
  padding: 32px 24px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 16px;
  min-height: 220px;
}
.pa-how__step:last-child { border-right: 0; }
.pa-how__num {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--accent-2); margin-bottom: 6px;
}
.pa-how__step h3 {
  font-family: var(--serif); font-size: 24px; line-height: 1.4; letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 4px;
}
.pa-how__step p { color: var(--ink-2); font-size: 14.5px; }
@media (max-width: 920px) {
  .pa-how__grid { grid-template-columns: repeat(2, 1fr); }
  .pa-how__step:nth-child(2) { border-right: 0; }
}
@media (max-width: 560px) {
  .pa-how__grid { grid-template-columns: 1fr; }
  .pa-how__step { border-right: 0; }
}

/* What you get */
.pa-what__list {
  display: grid; gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pa-what__item {
  display: grid; grid-template-columns: 80px 1fr; align-items: center;
  padding: 28px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.pa-what__item:last-child { border-bottom: 0; }
.pa-what__item:hover { background: var(--paper-2); }
.pa-what__index {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.06em;
}
.pa-what__text {
  font-family: var(--serif); font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: -0.01em; color: var(--ink);
}

/* Positioning */
.pa-positioning { background: var(--paper-2); max-width: none; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pa-positioning__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(64px, 9vw, 128px) var(--pad);
}
.pa-positioning__body {
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.2; letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 28ch; text-wrap: balance;
}

/* Clinician-led care */
.pa-clinician {
  background: var(--ink); color: var(--paper);
  max-width: none; padding: 0;
}
.pa-clinician__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(64px, 9vw, 128px) var(--pad);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px;
  align-items: start;
}
@media (max-width: 920px) { .pa-clinician__inner { grid-template-columns: 1fr; gap: 48px; } }
.pa-clinician__title {
  font-family: var(--serif);
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--paper); text-wrap: balance;
}
.pa-clinician__body {
  margin-top: 20px;
  font-size: 16px; color: rgba(255,255,255,0.78);
  max-width: 56ch;
}
.pa-clinician__pillars {
  display: grid; gap: 24px;
}
.pa-clinician__pillars li {
  display: grid; grid-template-columns: 32px 1fr; gap: 14px;
  padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,0.16);
}
.pa-clinician__pillars li > h4,
.pa-clinician__pillars li > p { grid-column: 2; }
.pa-clinician__pillars li:last-child { border-bottom: 0; padding-bottom: 0; }
.pa-clinician__pnum {
  font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.06em;
  padding-top: 4px;
}
.pa-clinician__pillars h4 { font-family: var(--serif); font-size: 20px; color: var(--paper); margin-bottom: 4px; }
.pa-clinician__pillars p { font-size: 14px; color: rgba(255,255,255,0.7); }

/* Built for clinician-led care */
.pa-built { background: var(--paper-2); max-width: none; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pa-built__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(64px, 9vw, 128px) var(--pad);
}
.pa-built__title { max-width: 22ch; margin-bottom: 28px; }
.pa-built__body {
  font-size: clamp(16px, 1.3vw, 18px);
  color: var(--ink-2); max-width: 64ch; text-wrap: pretty;
  margin-bottom: 56px;
}
.pa-built__split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 760px) { .pa-built__split { grid-template-columns: 1fr; } }
.pa-built__col {
  padding: 28px 28px 32px 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pa-built__col:last-child { border-right: 0; padding-left: 28px; padding-right: 0; }
@media (max-width: 760px) { .pa-built__col { border-right: 0; padding: 24px 0; } .pa-built__col:last-child { padding-left: 0; } }
.pa-built__col-kicker {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--ink-3);
  margin-bottom: 18px;
}
.pa-built__col ul { display: grid; gap: 8px; }
.pa-built__col li {
  font-family: var(--serif); font-size: clamp(20px, 2vw, 26px);
  color: var(--ink); letter-spacing: -0.01em; line-height: 1.3;
}

/* Pricing */
.pa-pricing__card {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px;
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px);
  align-items: center;
}
@media (max-width: 760px) { .pa-pricing__card { grid-template-columns: 1fr; gap: 28px; } }
.pa-pricing__lhs { display: flex; flex-direction: column; gap: 14px; }
.pa-pricing__lede {
  font-family: var(--serif); font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.2; letter-spacing: -0.015em; color: var(--ink);
  text-wrap: balance; max-width: 30ch;
  margin-top: 4px;
}
.pa-pricing__includes {
  display: grid; gap: 8px;
  margin-top: 8px;
  font-size: 14.5px; color: var(--ink-2);
}
.pa-pricing__includes li {
  position: relative; padding-left: 22px;
}
.pa-pricing__includes li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 10px; height: 1px; background: var(--accent-2);
}
.pa-pricing__rhs { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.pa-pricing__note {
  font-size: 12px; color: var(--ink-3);
  font-family: var(--mono); letter-spacing: 0.04em;
}

/* Modal */
.pa-modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; }
.pa-modal__scrim { position: absolute; inset: 0; background: rgba(20,30,45,0.45); backdrop-filter: blur(2px); }
.pa-modal__panel {
  position: relative; z-index: 1;
  width: min(560px, 96vw);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px -20px rgba(20,30,45,0.4);
  overflow: hidden;
  animation: pa-pop 0.22s ease-out;
}
@keyframes pa-pop {
  from { transform: translateY(8px) scale(0.99); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
.pa-modal__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.pa-modal__head .pa-section__kicker { margin: 0; padding: 0; border: 0; }
.pa-modal__close {
  width: 30px; height: 30px; border-radius: 999px; font-size: 20px; line-height: 1;
  color: var(--ink-2);
}
.pa-modal__close:hover { background: var(--paper-2); color: var(--ink); }
.pa-modal__body { padding: 24px 22px 22px; display: flex; flex-direction: column; gap: 14px; }
.pa-modal__intro { font-size: 14px; color: var(--ink-2); margin-bottom: 4px; }
.pa-modal__cta { margin-top: 8px; display: flex; gap: 10px; align-items: center; }
.pa-modal__ghost { color: var(--ink-3); font-size: 14px; padding: 10px 14px; }
.pa-modal__ghost:hover { color: var(--ink); }
.pa-modal__result {
  padding: 4px 0 4px;
}
.pa-modal__result h3 { font-family: var(--serif); font-size: 24px; line-height: 1.2; margin-bottom: 8px; }
.pa-modal__result p { color: var(--ink-2); font-size: 15px; }

/* Footer */
.pa-footer { background: var(--ink); color: rgba(255,255,255,0.85); }
.pa-footer__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(48px, 6vw, 80px) var(--pad);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px;
  align-items: start;
}
@media (max-width: 760px) { .pa-footer__inner { grid-template-columns: 1fr; gap: 32px; } }
.pa-footer__brand p { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,0.6); max-width: 38ch; }
.pa-footer__cols {
  display: flex; gap: 28px; flex-wrap: wrap; justify-content: flex-end;
}
@media (max-width: 760px) { .pa-footer__cols { justify-content: flex-start; } }
.pa-footer__cols span {
  font-size: 14px; color: rgba(255,255,255,0.78);
}

.pa-footer__disclaimer {
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding: 22px var(--pad);
  font-size: 13px; line-height: 1.6;
  color: rgba(255,255,255,0.65);
  max-width: var(--maxw); margin: 0 auto;
}

.pa-footer__base {
  max-width: var(--maxw); margin: 0 auto;
  padding: 22px var(--pad);
  display: flex; gap: 22px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
}