/* PlasmaText landing — paper, navy pen, highlighter yellow.
   Colours from flutter_app/lib/src/core/theme.dart (PlasmaColors). */

:root {
  --paper: #F5F7FB;
  --paper-2: #EEF1F8;
  --surface: #FFFFFF;
  --ink: #0F1233;
  --ink-2: #454C6B;
  --ink-3: #7A809C;
  --line: #E6EAF2;
  --navy: #1237D9;
  --deep: #0B1E8A;
  --accent: #2F6BFF;
  --hl: #FFD97A;
  --hl-strong: #F6C453;
  --hl-ink: #7A5200;
  --card: #FFF3C4;
  --shadow: 0 1px 2px rgba(15,18,51,.06), 0 12px 32px -12px rgba(11,30,138,.18);

  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --r: 18px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #090D26;
    --paper-2: #0E1433;
    --surface: #131A45;
    --ink: #EEF0FA;
    --ink-2: #B8BEDC;
    --ink-3: #7F87AE;
    --line: #232B5E;
    --navy: #4C7DFF;
    --deep: #1237D9;
    --accent: #6D95FF;
    --hl: #B98A17;
    --hl-strong: #D9A526;
    --hl-ink: #FFE8A8;
    --card: #3C3418;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 14px 36px -12px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"] {
  --paper: #090D26; --paper-2: #0E1433; --surface: #131A45;
  --ink: #EEF0FA; --ink-2: #B8BEDC; --ink-3: #7F87AE; --line: #232B5E;
  --navy: #4C7DFF; --deep: #1237D9; --accent: #6D95FF;
  --hl: #B98A17; --hl-strong: #D9A526; --hl-ink: #FFE8A8; --card: #3C3418;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 14px 36px -12px rgba(0,0,0,.6);
}

/* ── Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}
img, picture { display: block; max-width: 100%; height: auto; }
a { color: var(--navy); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px;
}
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h2 { font-size: clamp(30px, 4vw, 44px); }
h3 { font-size: 22px; }
p { margin: 0 0 1em; }
b { font-weight: 600; }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip {
  position: absolute; left: 16px; top: -60px; background: var(--ink); color: var(--paper);
  padding: 8px 14px; border-radius: 8px; z-index: 100; font-family: var(--display);
}
.skip:focus { top: 12px; }

.eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-3); margin: 0 0 14px;
}
.eyebrow--free { color: var(--hl-ink); }
.eyebrow--free::before {
  content: ""; display: inline-block; width: 22px; height: 10px; border-radius: 3px;
  background: var(--hl); margin-right: 10px; vertical-align: -1px; transform: skewX(-12deg);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--display); font-weight: 600; font-size: 16px; letter-spacing: -0.005em;
  padding: 14px 22px; border-radius: 12px; text-decoration: none; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn--sm { padding: 10px 16px; font-size: 15px; }
.btn--primary { background: var(--navy); color: #fff; box-shadow: 0 6px 18px -8px rgba(18,55,217,.7); }
.btn--primary:hover { background: var(--deep); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink-3); transform: translateY(-1px); }
@media (prefers-color-scheme: dark) { .btn--primary { color: #fff; } }

/* ── Signature: highlighter stroke + citation chip ───────── */
.hl {
  position: relative; white-space: nowrap;
  background-image: linear-gradient(104deg, transparent 1.5%, var(--hl) 2.5%, var(--hl) 97.5%, transparent 98.5%);
  background-repeat: no-repeat;
  background-size: 100% 46%;
  background-position: 0 78%;
  padding: 0 .08em; margin: 0 -.08em;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.hl--thin { background-size: 100% 36%; background-position: 0 84%; }
@media (max-width: 480px) { .hl { white-space: normal; } }

.cite {
  display: inline-flex; align-items: stretch; font-family: var(--mono); font-size: 11.5px;
  line-height: 1; border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  background: var(--surface); color: var(--ink-2); vertical-align: middle; white-space: nowrap;
}
.cite__doc { padding: 5px 7px; }
.cite__page { padding: 5px 7px; background: var(--navy); color: #fff; font-weight: 500; }
.cite--inline { font-size: 10.5px; margin-left: 4px; }

/* ── Header ───────────────────────────────────────────────── */
.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top__row { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: block; flex: 0 0 auto; }
.brand__logo { width: auto; height: 38px; }
.brand__logo--dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand__logo--light { display: none; }
  :root:not([data-theme="light"]) .brand__logo--dark { display: block; }
}
:root[data-theme="dark"] .brand__logo--light { display: none; }
:root[data-theme="dark"] .brand__logo--dark { display: block; }
.top__nav { display: flex; gap: 22px; margin-left: auto; font-family: var(--display); font-weight: 500; font-size: 15px; }
.top__nav a { color: var(--ink-2); text-decoration: none; }
.top__nav a:hover { color: var(--ink); }
@media (max-width: 860px) { .top__nav { display: none; } .top .btn { margin-left: auto; } }
@media (max-width: 420px) { .brand__logo { height: 30px; } }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { padding: clamp(40px, 7vw, 96px) 0 clamp(32px, 5vw, 64px); }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero__title {
  font-size: clamp(38px, 6vw, 74px); font-weight: 700; letter-spacing: -0.03em;
  font-variation-settings: "opsz" 96; line-height: .98; margin-bottom: 22px;
}
.hero__lede { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-2); max-width: 54ch; margin-bottom: 26px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.hero__note { font-size: 14.5px; color: var(--ink-3); font-style: italic; }

.hero__art { position: relative; margin: 0; }
.hero__art picture img { border-radius: var(--r); box-shadow: var(--shadow); }
.excerpt {
  position: absolute; right: -6px; bottom: -22px; max-width: 300px;
  background: var(--card); color: var(--ink); border-radius: 12px; padding: 14px 16px 12px;
  box-shadow: var(--shadow); transform: rotate(-2deg);
  font-size: 15px; line-height: 1.45;
  animation: settle .8s cubic-bezier(.2,.7,.2,1) .2s both;
}
.excerpt__quote { display: block; margin-bottom: 10px; font-style: italic; }
@keyframes settle {
  from { opacity: 0; transform: translate(-40px, -30px) rotate(3deg); }
  to   { opacity: 1; transform: rotate(-2deg); }
}
.hero .hl {
  background-size: 0% 46%;
  animation: stroke .7s cubic-bezier(.3,.6,.2,1) .35s forwards;
}
@keyframes stroke { to { background-size: 100% 46%; } }
@media (prefers-reduced-motion: reduce) {
  .excerpt, .hero .hl { animation: none; }
  .hero .hl { background-size: 100% 46%; }
  html { scroll-behavior: auto; }
}
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__art { margin-top: 10px; }
  .excerpt { right: 8px; bottom: -18px; max-width: 260px; font-size: 14px; }
}

.audience {
  text-align: center; color: var(--ink-2); font-size: clamp(16px, 1.4vw, 19px);
  max-width: 62ch; padding: clamp(28px, 4vw, 52px) 0; margin-block: 0;
  border-top: 1px solid var(--line);
}
.audience b { color: var(--ink); font-family: var(--display); font-weight: 600; }

/* ── What it is / how it works ─────────────────────────────── */
.intro { padding: clamp(40px, 6vw, 80px) 0; border-top: 1px solid var(--line); }
.intro__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: start; }
.intro h2 { font-size: clamp(26px, 3vw, 36px); margin-top: 0; }
.intro__lede { color: var(--ink-2); font-size: clamp(17px, 1.4vw, 19px); max-width: 60ch; margin: 0; }
.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 14px; }
.steps li { counter-increment: step; position: relative; padding-left: 46px; color: var(--ink-2); }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--mono); font-size: 14px; background: var(--card); color: var(--hl-ink);
}
.steps b { color: var(--ink); font-family: var(--display); font-weight: 600; }
@media (max-width: 900px) { .intro__grid { grid-template-columns: 1fr; } }

/* ── Feature sections ─────────────────────────────────────── */
.feature { padding: clamp(48px, 7vw, 104px) 0; }
.feature--alt { background: var(--paper-2); }
.feature__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 88px); align-items: center; }
.feature__art { margin: 0; }
.feature__art picture img { border-radius: var(--r); box-shadow: var(--shadow); }
.feature__copy > p:not(.eyebrow) { color: var(--ink-2); font-size: clamp(16.5px, 1.3vw, 18.5px); }
.ticks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; font-size: 16px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 14px; height: 7px;
  background: var(--hl-strong); border-radius: 2px; transform: skewX(-14deg);
}
@media (max-width: 900px) {
  .feature__grid { grid-template-columns: 1fr; }
  .feature__grid--flip .feature__copy { order: 2; }
  .feature__grid--flip .feature__art { order: 1; }
}

/* Report mock (built, not screenshotted) */
.report { display: grid; gap: 16px; }
.report__sheet {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 26px 28px 18px; box-shadow: var(--shadow);
}
.report__kicker { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.report__title { font-size: 20px; margin-bottom: 14px; }
.report__findings { margin: 0; padding-left: 22px; display: grid; gap: 12px; font-size: 15px; line-height: 1.5; }
.report__findings li::marker { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.report__flag {
  font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em;
  background: var(--hl); color: var(--hl-ink); padding: 2px 6px; border-radius: 4px; margin-right: 4px;
}
.report__foot { font-size: 13px; color: var(--ink-3); font-style: italic; margin: 16px 0 0; }
.report__chat {
  background: var(--paper-2); border-radius: var(--r); padding: 16px 20px;
  display: grid; gap: 8px; font-size: 15px; margin-left: 36px;
}
.report__q { font-family: var(--display); font-weight: 600; color: var(--ink); margin: 0; }
.report__q::before { content: "You  "; font-family: var(--mono); font-weight: 500; font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
.report__a { margin: 0; color: var(--ink-2); }
.report__a::before { content: "PlasmaText  "; font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
@media (max-width: 480px) { .report__sheet { padding: 20px 18px 14px; } .report__chat { margin-left: 16px; } }

/* ── Pricing ──────────────────────────────────────────────── */
.pricing { padding: clamp(56px, 8vw, 112px) 0; background: var(--paper-2); border-top: 1px solid var(--line); }
.pricing__head { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; margin-bottom: 40px; }
.pricing__lede { color: var(--ink-2); max-width: 62ch; font-size: 17.5px; }
.pricing__art { width: 300px; }
.pricing__art img { border-radius: var(--r); }
@media (max-width: 900px) { .pricing__head { grid-template-columns: 1fr; } .pricing__art { display: none; } }

.plans { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.plan {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px 22px; display: flex; flex-direction: column;
}
.plan--featured { border-color: var(--navy); box-shadow: 0 0 0 1px var(--navy), var(--shadow); }
.plan__name { font-size: 18px; margin-bottom: 8px; }
.plan__price { font-family: var(--display); font-weight: 700; font-size: 34px; letter-spacing: -0.03em; line-height: 1; margin: 0 0 12px; }
.plan__price span { font-family: var(--body); font-weight: 400; font-size: 14.5px; color: var(--ink-3); letter-spacing: 0; margin-left: 4px; }
.plan__who { color: var(--ink-2); font-size: 15px; margin-bottom: 12px; }
@media (min-width: 541px) { .plan__who { min-height: 3em; } }
.plan__list { list-style: none; padding: 14px 0 0; margin: auto 0 0; border-top: 1px dashed var(--line); font-size: 14.5px; display: grid; gap: 7px; color: var(--ink-2); }
.plan__list li::before { content: "·"; color: var(--navy); font-weight: 700; margin-right: 8px; }
.pricing__foot { font-size: 13.5px; color: var(--ink-3); margin: 22px 0 0; text-align: center; }
.plans--two { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 760px; }
@media (max-width: 1000px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .plans { grid-template-columns: 1fr; } }

/* ── Download ─────────────────────────────────────────────── */
.download { padding: clamp(56px, 8vw, 104px) 0; }
.download__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.download__copy p:not(.eyebrow) { color: var(--ink-2); max-width: 46ch; }
.stores { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.store {
  display: grid; gap: 6px; padding: 20px 22px; border-radius: var(--r);
  border: 1.5px dashed var(--line); background: transparent;
}
.store--live { border-style: solid; background: var(--surface); box-shadow: var(--shadow); }
.store__label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.store--live .store__label { color: var(--navy); }
.store__name { font-family: var(--display); font-weight: 600; font-size: 20px; }
.store__hint { font-size: 14.5px; color: var(--ink-2); }
.store .btn { justify-self: start; margin-top: 6px; }
@media (max-width: 900px) { .download__grid { grid-template-columns: 1fr; } }

/* ── FAQ ──────────────────────────────────────────────────── */
.faq { padding: clamp(56px, 8vw, 104px) 0; background: var(--paper-2); border-top: 1px solid var(--line); }
.faq__grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(24px, 5vw, 72px); }
.faq__list { display: grid; gap: 2px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; font-family: var(--display); font-weight: 600; font-size: 19px;
  padding: 18px 40px 18px 0; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 14px; font-weight: 500; font-size: 26px; color: var(--navy);
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); margin: 0 0 20px; max-width: 64ch; }
@media (max-width: 900px) { .faq__grid { grid-template-columns: 1fr; } }

/* ── Footer ───────────────────────────────────────────────── */
.foot { padding: 36px 0 44px; border-top: 1px solid var(--line); }
.foot__row { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.foot__brand { display: flex; align-items: center; gap: 14px; font-size: 15px; color: var(--ink-2); }
.foot__brand p { margin: 0; line-height: 1.35; }
.foot__brand b { color: var(--ink); font-family: var(--display); }
.foot__nav { display: flex; flex-wrap: wrap; gap: 22px; font-family: var(--display); font-size: 15px; }
.foot__nav a { color: var(--ink-2); text-decoration: none; }
.foot__nav a:hover { color: var(--navy); text-decoration: underline; }

/* ── Legal placeholder pages ──────────────────────────────── */
.legal { padding: clamp(40px, 6vw, 80px) 0; max-width: 68ch; }
.legal h1 { font-size: clamp(32px, 5vw, 52px); }
.legal .eyebrow { margin-bottom: 18px; }
.legal p { color: var(--ink-2); }

/* Privacy policy and account removal */
.legal__crumbs{font-size:.9rem;color:var(--muted, #5a6178);margin-bottom:.5rem}
.legal__crumbs a{color:inherit}
.legal__date{color:var(--muted, #5a6178);margin-top:-.25rem}
.legal__toc{margin:1.25rem 0 2rem;padding:1rem 1.25rem;border:1px solid var(--line, rgba(15,18,51,.12));border-radius:12px}
.legal__toc ol{margin:0;padding-left:1.25rem;columns:2;column-gap:2rem}
.legal__toc li{margin:.2rem 0;break-inside:avoid}
.legal section{scroll-margin-top:90px}
.legal section h2{margin-top:2rem}
.removal{display:grid;gap:.6rem;max-width:440px;margin:1.5rem 0 2rem}
.removal label{font-weight:600}
.removal input{font:inherit;padding:.75rem .9rem;border-radius:10px;border:1px solid var(--line, rgba(15,18,51,.2));background:transparent;color:inherit}
.removal button{justify-self:start}
.removal__msg{margin:0;padding:.7rem .9rem;border-radius:10px}
.removal__msg--ok{background:rgba(26,127,55,.1);color:#1a7f37}
.removal__msg--err{background:rgba(179,38,30,.1);color:#b3261e}
@media (max-width:600px){.legal__toc ol{columns:1}}