/* ─────────────────────────────────────────────────────────
   Posely landing — outer layout & marketing chrome
   Mockup design tokens (mirrors DESIGN_SYSTEM.md); primary
   overridden to Posely purple #534AB7.
   ───────────────────────────────────────────────────────── */
:root {
  --primary:        #1B4F72;
  --primary-light:  #D6EAF8;
  --primary-dark:   #0E3250;

  --ok:            #27AE60;
  --ok-light:      #D5F5E3;
  --ok-dark:       #1E8449;
  --warning:       #F39C12;
  --warning-light: #FEF9E7;
  --warning-dark:  #D68910;
  --error:         #E74C3C;
  --error-light:   #FDEDEC;
  --error-dark:    #CB4335;

  --white:   #FFFFFF;
  --gray-50:  #F8F9FA;
  --gray-100: #F2F3F4;
  --gray-200: #D5D8DC;
  --gray-300: #ABB2B9;
  --gray-400: #7F8C8D;
  --gray-500: #566573;
  --gray-600: #2C3E50;
  --black:   #1A1A1A;

  --background: #F8F9FA;
  --card:       #FFFFFF;
  --border:     #E5E8EB;

  --xs: 4px;  --sm: 8px;  --md: 12px;  --lg: 16px;
  --xl: 24px; --xxl: 32px; --xxxl: 48px;
  --density-section: 96px;

  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 20px;
  --r-full: 999px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;

  --shadow-card:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-device:  0 30px 80px rgba(0,0,0,0.25), 0 10px 25px rgba(0,0,0,0.15);
  --shadow-hero:    0 40px 80px -24px rgba(83,74,183,0.35), 0 0 0 1px rgba(83,74,183,0.10);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  background: var(--background);
  color: var(--gray-600);
  font-family: var(--font);
  font-size: 15px;
  line-height: 22px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Containers ─────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

.section { padding: var(--density-section) 0; }
.section.tight { padding: 56px 0; }

.label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gray-400);
  margin: 0 0 12px;
}
.label.on-dark { color: rgba(255,255,255,0.55); }

h1, h2, h3 { color: var(--black); margin: 0; }
h1 { font-size: 64px; line-height: 1.04; font-weight: 700; letter-spacing: -1.5px; }
h2 { font-size: 44px; line-height: 1.1;  font-weight: 700; letter-spacing: -0.8px; }
h3 { font-size: 22px; line-height: 1.25; font-weight: 700; letter-spacing: -0.3px; }
@media (max-width: 720px) {
  h1 { font-size: 40px; letter-spacing: -1px; }
  h2 { font-size: 30px; letter-spacing: -0.5px; }
}

p { margin: 0; }
.lead {
  font-size: 18px; line-height: 28px;
  color: var(--gray-500); font-weight: 400;
  max-width: 56ch;
}

/* ── Buttons & store badges ─────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--sm); font-family: inherit;
  font-size: 15px; font-weight: 600; letter-spacing: 0.2px;
  border: none; cursor: pointer;
  padding: 14px 22px;
  border-radius: var(--r-md);
  transition: background 140ms ease, transform 140ms ease;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost {
  background: transparent; color: var(--primary);
  padding: 10px 14px;
}
.btn-ghost:hover { opacity: 0.75; }
.btn:active { transform: translateY(1px); }

.store-row { display: flex; gap: 12px; flex-wrap: wrap; }
.store-btn {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--black); color: var(--white);
  padding: 12px 18px 12px 16px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background 140ms ease;
}
.store-btn:hover { background: #000; }
.store-btn .icon { width: 26px; height: 26px; flex-shrink: 0; }
.store-btn .lines { display: flex; flex-direction: column; line-height: 1.1; }
.store-btn .top { font-size: 10px; letter-spacing: 0.4px; opacity: 0.7; }
.store-btn .bot { font-size: 16px; font-weight: 600; letter-spacing: -0.2px; }
.store-btn.light {
  background: var(--white); color: var(--black);
  border: 1px solid var(--border);
}
.store-btn.light:hover { background: var(--gray-50); }

/* ── Top nav ────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248,249,250,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand .mark {
  width: 32px; height: 32px;
  border-radius: 7px;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}
.brand .name {
  font-size: 20px; font-weight: 700; letter-spacing: -0.5px;
  color: var(--gray-600);
}
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--gray-500);
  transition: color 140ms ease;
}
.nav-links a:hover { color: var(--primary); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* ── Hero ───────────────────────────────────────────────── */
.hero { padding: 72px 0 64px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px; align-items: center;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-phone-wrap { display: flex; justify-content: center; }
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: var(--r-full);
  font-size: 12px; font-weight: 600;
  margin-bottom: 24px;
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 999px; background: var(--primary); }
.hero h1 .accent { color: var(--primary); }
.hero h1 .underline { position: relative; display: inline-block; }
.hero h1 .underline::after {
  content: ''; position: absolute;
  left: -2%; right: -2%; bottom: 0.06em;
  height: 0.28em;
  background: var(--primary-light);
  z-index: -1;
  border-radius: 4px;
}
.hero .lead { margin-top: 24px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; align-items: center; }

.hero-proof {
  margin-top: 28px;
  display: flex; align-items: center; gap: 14px;
  font-size: 13px; color: var(--gray-500);
}
.hero-proof .stack { display: inline-flex; }
.hero-proof .stack > * {
  width: 28px; height: 28px; border-radius: 999px;
  background: var(--primary-light);
  border: 2px solid var(--white);
  margin-left: -8px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--primary-dark); font-size: 11px; font-weight: 700;
}
.hero-proof .stack > *:first-child { margin-left: 0; }

/* ── Stat strip ─────────────────────────────────────────── */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: 28px 8px;
}
@media (max-width: 720px) { .stat-strip { grid-template-columns: repeat(2, 1fr); padding: 20px 8px; } }
.stat-strip .cell { padding: 4px 16px; text-align: center; position: relative; }
.stat-strip .cell + .cell::before {
  content: ''; position: absolute; left: 0; top: 18%; bottom: 18%;
  width: 1px; background: var(--border);
}
@media (max-width: 720px) {
  .stat-strip .cell:nth-child(odd)::before { display: none; }
}
.stat-strip .num {
  font-size: 38px; font-weight: 700; letter-spacing: -1px;
  color: var(--gray-600); font-variant-numeric: tabular-nums;
}
.stat-strip .num .deg { color: var(--primary); }
.stat-strip .lbl {
  font-size: 12px; color: var(--gray-400);
  margin-top: 4px;
  text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600;
}

/* ── Section head ───────────────────────────────────────── */
.section-head { text-align: left; margin-bottom: 48px; max-width: 720px; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { color: var(--gray-500); font-size: 17px; line-height: 26px; }

/* ── Feature cards ──────────────────────────────────────── */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
@media (max-width: 880px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  min-height: 360px;
}
.feature-card .ico {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.feature-card .ico svg { width: 22px; height: 22px; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card .desc { color: var(--gray-500); font-size: 14px; line-height: 22px; flex: 1; }
.feature-card .visual { margin-top: 20px; }

/* ── How it works ───────────────────────────────────────── */
.how-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
@media (max-width: 880px) { .how-grid { grid-template-columns: 1fr; } }
.step {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary);
  font-size: 16px; font-weight: 700;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--gray-500); font-size: 14px; line-height: 22px; }
.step .footnote {
  margin-top: 14px; font-size: 12px; color: var(--gray-400);
  font-variant-numeric: tabular-nums;
  display: inline-flex; align-items: center; gap: 6px;
}
.step .footnote .pill {
  padding: 2px 6px; background: var(--gray-100); border-radius: 6px;
  color: var(--gray-500); font-weight: 600;
}

/* ── Device showcase ────────────────────────────────────── */
.showcase-section {
  background: linear-gradient(180deg, var(--background) 0%, var(--primary-light) 100%);
  padding: var(--density-section) 0;
  overflow: hidden;
}
.device-row {
  display: flex; justify-content: center; gap: 24px;
  align-items: flex-start;
  padding: 24px 0 8px;
}
@media (max-width: 1100px) {
  .device-row { flex-wrap: wrap; }
}
.phone-frame.tilt-l { transform: rotate(-4deg) translateY(20px); }
.phone-frame.tilt-r { transform: rotate(4deg)  translateY(20px); }
.phone-frame.center { transform: translateY(-10px); z-index: 2; }
@media (max-width: 880px) {
  .device-row { flex-direction: column; align-items: center; gap: 40px; }
  .phone-frame.tilt-l, .phone-frame.tilt-r, .phone-frame.center { transform: none; }
}

/* ── Pain section ───────────────────────────────────────── */
.pain-section {
  background: linear-gradient(135deg, var(--warning-light), var(--error-light));
}
.pain-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 64px; align-items: center;
}
@media (max-width: 960px) { .pain-grid { grid-template-columns: 1fr; gap: 48px; } }
.pain-section .copy h2 .a { color: var(--error-dark); }

/* Replicate diag-card.high from mockup */
.diag-preview {
  margin-top: 32px;
  background: var(--card);
  border-radius: var(--r-md);
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border-left: 4px solid var(--primary);
  max-width: 520px;
}
.diag-preview .diag-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; margin-bottom: 8px;
}
.diag-preview .diag-title {
  font-size: 15px; font-weight: 700; color: var(--gray-600); line-height: 1.3;
}
.diag-preview .confidence-badge {
  font-size: 10px; padding: 3px 8px;
  border-radius: var(--r-full); font-weight: 700; text-transform: uppercase;
  background: var(--primary-light); color: var(--primary);
  flex-shrink: 0; letter-spacing: 0.4px;
}
.diag-preview .diag-desc {
  font-size: 13px; color: var(--gray-500); line-height: 1.5; margin-bottom: 10px;
}
.diag-preview .evidence {
  background: var(--primary-light);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  font-size: 11px; color: var(--primary);
  margin-bottom: 10px;
  display: flex; align-items: flex-start; gap: 6px;
}
.diag-preview .evidence svg { width: 12px; height: 12px; flex-shrink: 0; margin-top: 1px; }
.diag-preview .action {
  font-size: 12px; color: var(--gray-600);
  padding-top: 10px; border-top: 1px solid var(--border);
  line-height: 1.5;
}
.diag-preview .action strong { color: var(--primary); }

/* Pain body card */
.pain-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.modal-title {
  font-size: 18px; font-weight: 700; color: var(--gray-600);
  text-align: center;
}
.modal-sub {
  font-size: 13px; color: var(--gray-400);
  margin: 4px 0 16px;
  text-align: center;
}
.body-svg-wrap {
  background: var(--card);
  border-radius: var(--r-md);
  padding: 20px;
  display: flex; justify-content: center;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}
.pain-zone {
  fill: rgba(83,74,183,0.08);
  stroke: var(--primary);
  stroke-width: 1.5;
}
.pain-zone.selected {
  fill: rgba(231,76,60,0.35);
  stroke: var(--error);
  stroke-width: 2;
}
.selected-row {
  display: flex; align-items: center; gap: 12px;
  padding-top: 8px;
}
.form-label {
  font-size: 12px; font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.zone-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: var(--error-light);
  color: var(--error-dark);
  border-radius: var(--r-full);
  font-size: 12px; font-weight: 600;
}
.zone-chip svg { width: 14px; height: 14px; cursor: pointer; }

/* ── Sizing section ─────────────────────────────────────── */
.sizing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center;
}
@media (max-width: 960px) { .sizing-grid { grid-template-columns: 1fr; gap: 48px; } }
.sizing-mock {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.search-box {
  background: var(--gray-50);
  border-radius: var(--r-md);
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.search-box svg { color: var(--gray-400); flex-shrink: 0; }
.search-box .placeholder { color: var(--gray-300); font-size: 14px; }
.info-banner {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: var(--r-md);
  padding: 12px 14px;
  display: flex; gap: 10px;
}
.info-banner > svg { color: var(--primary); flex-shrink: 0; margin-top: 1px; }
.info-banner .txt {
  font-size: 12px; color: var(--gray-600); line-height: 1.5;
}
.info-banner .banner-ttl {
  font-size: 13px; font-weight: 600; color: var(--primary); margin-bottom: 2px;
}
.categories-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.cat-tile {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
  display: flex; flex-direction: column;
}
.cat-icon {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px;
}
.cat-icon svg { width: 20px; height: 20px; }
.cat-title { font-size: 14px; font-weight: 600; color: var(--gray-600); }
.cat-sub { font-size: 11px; color: var(--gray-400); margin-top: 1px; }

.check-list { list-style:none; padding:0; margin: 24px 0 0; display:flex; flex-direction:column; gap:10px; }
.check-list li {
  display: flex; gap: 10px; align-items: flex-start;
  color: var(--gray-600); font-size: 15px;
}
.check-list li svg { width: 20px; height: 20px; color: var(--ok); flex-shrink: 0; margin-top: 2px; }

/* ── Privacy strip ──────────────────────────────────────── */
.privacy-strip {
  background: var(--gray-600); color: var(--white);
  padding: 64px 0;
}
.privacy-strip .wrap {
  display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px;
  align-items: center;
}
@media (max-width: 880px) { .privacy-strip .wrap { grid-template-columns: 1fr; gap: 24px; } }
.privacy-strip h2 { color: var(--white); }
.privacy-strip h2 .a { color: #88B5DC; }
.privacy-strip .body { color: rgba(255,255,255,0.65); font-size: 16px; line-height: 26px; }
.privacy-strip .bullets {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 14px;
  margin-top: 14px;
}
@media (max-width: 720px) { .privacy-strip .bullets { grid-template-columns: 1fr; } }
.privacy-strip .bullets .b {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13px; color: rgba(255,255,255,0.85);
}
.privacy-strip .bullets .b svg { width: 18px; height: 18px; color: #88B5DC; flex-shrink: 0; margin-top: 1px; }

/* ── Pricing ────────────────────────────────────────────── */
.pricing-section { background: var(--background); }
.pricing-card {
  background: var(--white);
  border-radius: var(--r-xl);
  box-shadow: 0 24px 60px -20px rgba(83,74,183,0.18), 0 0 0 1px rgba(83,74,183,0.06);
  padding: 48px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.pricing-card::before {
  content: ''; position: absolute;
  top: -60px; right: -60px;
  width: 240px; height: 240px; border-radius: 999px;
  background: var(--primary-light);
  z-index: 0;
}
.pricing-card > * { position: relative; z-index: 1; }
.pricing-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}
@media (max-width: 720px) { .pricing-grid { grid-template-columns: 1fr; gap: 24px; } }
.pricing-card .price-tag {
  display: flex; align-items: baseline; gap: 8px;
  margin: 12px 0 6px;
}
.pricing-card .price-tag .p {
  font-size: 72px; font-weight: 700; letter-spacing: -2.5px;
  color: var(--gray-600); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.pricing-card .price-tag .o {
  font-size: 14px; color: var(--gray-500); font-weight: 600;
}
.pricing-card .perks {
  list-style: none; padding: 0; margin: 24px 0 32px;
  display: flex; flex-direction: column; gap: 12px;
}
.pricing-card .perks li {
  display: flex; gap: 10px; align-items: center;
  font-size: 15px; color: var(--gray-600);
}
.pricing-card .perks li svg { width: 20px; height: 20px; color: var(--ok); flex-shrink: 0; }

/* ── Footer ─────────────────────────────────────────────── */
.foot {
  background: var(--gray-600); color: rgba(255,255,255,0.7);
  padding: 56px 0 32px;
}
.foot .wrap { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr; gap: 40px; }
@media (max-width: 720px) { .foot .wrap { grid-template-columns: 1fr 1fr; gap: 32px; } }
.foot .brand .name { color: var(--white); }
.foot .col h4 { color: var(--white); font-size: 13px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; margin: 0 0 16px; }
.foot .col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.foot .col a:hover { color: var(--white); }
.foot .legal {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px; padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(255,255,255,0.5);
  flex-wrap: wrap; gap: 12px;
}

/* ── Tweaks panel ───────────────────────────────────────── */
.tweaks-panel {
  position: fixed; right: 20px; bottom: 20px;
  width: 280px;
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: 0 16px 40px rgba(0,0,0,0.18), 0 0 0 1px var(--border);
  padding: 16px 18px 18px;
  font-size: 13px;
  z-index: 1000;
  display: none;
}
.tweaks-panel.open { display: block; }
.tweaks-panel .hd {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.tweaks-panel .hd .t { font-size: 14px; font-weight: 700; color: var(--gray-600); }
.tweaks-panel .hd button {
  background: none; border: 0; cursor: pointer;
  color: var(--gray-400); font-size: 20px; line-height: 1;
}
.tweaks-panel .group { margin-bottom: 16px; }
.tweaks-panel .group:last-child { margin-bottom: 0; }
.tweaks-panel .group .lbl {
  font-size: 11px; font-weight: 700; color: var(--gray-400);
  text-transform: uppercase; letter-spacing: 0.5px;
  margin-bottom: 8px; display: block;
}
.tweaks-panel .swatches { display: flex; gap: 8px; }
.tweaks-panel .swatch {
  flex: 1; height: 36px; border-radius: 10px;
  cursor: pointer; border: 2px solid transparent;
}
.tweaks-panel .swatch.active { border-color: var(--gray-600); }
.tweaks-panel .seg {
  display: flex; gap: 4px; background: var(--gray-100);
  padding: 3px; border-radius: 10px;
}
.tweaks-panel .seg button {
  flex: 1; background: transparent; border: 0;
  padding: 8px 10px; border-radius: 7px;
  font-family: inherit; font-size: 12px; font-weight: 600;
  color: var(--gray-500); cursor: pointer;
}
.tweaks-panel .seg button.active { background: var(--white); color: var(--gray-600); box-shadow: var(--shadow-card); }