/* ============================================================
   SUNWARD — marketing + legal site
   northOS · sunward.northos.xyz
   Two vocabularies, not one tinted twice:
     Light = "Editorial Calm"  — ivory paper, deep green, Newsreader
     Dark  = "Evergreen Dusk"  — forest, cream, brass, Cormorant
   Red appears ONLY on the crisis line. Nowhere else.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opt@0,300..600;1,300..600&family=Cormorant+Garamond:ital,wght@0,400..600;1,400..600&family=Instrument+Sans:ital,wght@0,400..600;1,400..500&display=swap');

:root{
  /* Editorial Calm (light, default) */
  --bg:#FAF7EF;
  --bg-2:#F3EFE3;
  --ink:#21261F;
  --ink-dim:#4C5247;
  --ink-faint:#8A8C7F;
  --accent:#1F4A38;
  --accent-soft:rgba(31,74,56,.10);
  --on-accent:#F4F0E4;
  --hairline:rgba(33,38,31,.14);
  --hairline-soft:rgba(33,38,31,.08);
  --sheet-backdrop:#DDD8CB;
  --positive:#1F4A38;
  --crisis:#B23A2E;
  --shadow:0 1px 0 rgba(33,38,31,.03), 0 24px 60px -36px rgba(33,38,31,.28);

  --serif:'Newsreader', Georgia, serif;
  --sans:'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --btn-radius:3px;     /* light = squared */
  --card-radius:4px;
  --wrap:1140px;
}

:root[data-theme="dark"]{
  /* Evergreen Dusk */
  --bg:#0C1813;
  --bg-2:#0F1D17;
  --ink:#EDE6D4;
  --ink-dim:#B6B6A4;
  --ink-faint:#7E8478;
  --accent:#C8A96A;
  --accent-deep:#B2914F;
  --accent-soft:rgba(200,169,106,.13);
  --on-accent:#14231C;
  --hairline:rgba(237,230,212,.14);
  --hairline-soft:rgba(237,230,212,.07);
  --surface:#142620;
  --spotlight:#1B3128;
  --positive:#9DBFA8;
  --crisis:#E0796C;
  --shadow:0 1px 0 rgba(0,0,0,.3), 0 30px 70px -38px rgba(0,0,0,.85);

  --serif:'Cormorant Garamond', Georgia, serif;
  --btn-radius:999px;   /* dark = capsule */
  --card-radius:22px;
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  background-image:linear-gradient(180deg, var(--bg-2), var(--bg) 22%);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px; line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  transition:background .4s ease, color .4s ease;
  min-height:100vh;
}
::selection{ background:var(--accent); color:var(--on-accent); }
a{ color:inherit; }
img{ max-width:100%; display:block; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 clamp(20px,5vw,40px); }
.section{ padding:clamp(56px,9vw,124px) 0; }

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--sans); font-size:11px; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 20px;
}
.disp{
  font-family:var(--serif); font-weight:500; line-height:1.04;
  letter-spacing:-.005em; margin:0; font-size:clamp(38px,6.4vw,84px);
}
:root[data-theme="dark"] .disp{ font-weight:500; letter-spacing:0; }
.lead{ font-size:clamp(19px,2.1vw,23px); color:var(--ink-dim); line-height:1.5; max-width:36ch; }
.serif{ font-family:var(--serif); }
.it{ font-style:italic; }
.hl{ color:var(--ink); }

/* ---------- wordmark ---------- */
.brand{ display:inline-flex; align-items:center; gap:10px; text-decoration:none; }
.brand__sun{ width:22px; height:22px; color:var(--accent); flex:none; }
.wordmark{
  font-family:var(--sans); font-weight:600; font-size:16px;
  letter-spacing:.24em; text-transform:uppercase; color:var(--ink);
}

/* ---------- nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter:saturate(140%) blur(14px); -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid transparent; transition:border-color .3s ease;
}
.nav.scrolled{ border-bottom-color:var(--hairline); }
.nav__in{ display:flex; align-items:center; justify-content:space-between; height:70px; gap:20px; }
.nav__links{ display:flex; gap:30px; }
.nav__links a{ text-decoration:none; color:var(--ink-dim); font-size:14.5px; transition:color .2s ease; }
.nav__links a:hover{ color:var(--ink); }
.nav__right{ display:flex; align-items:center; gap:14px; }

.theme-toggle{
  appearance:none; border:1px solid var(--hairline); background:transparent;
  width:38px; height:38px; border-radius:50%; cursor:pointer; color:var(--ink-dim);
  display:inline-flex; align-items:center; justify-content:center; padding:0;
  transition:color .2s ease, border-color .2s ease, transform .3s ease;
}
.theme-toggle:hover{ color:var(--ink); border-color:var(--ink-faint); transform:rotate(-12deg); }
.theme-toggle .t-moon{ display:none; }
:root[data-theme="dark"] .theme-toggle .t-sun{ display:none; }
:root[data-theme="dark"] .theme-toggle .t-moon{ display:block; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--sans); font-size:15px; font-weight:600; text-decoration:none; cursor:pointer;
  border:1px solid transparent; padding:14px 24px; border-radius:var(--btn-radius); line-height:1;
  transition:transform .18s ease, opacity .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:active{ transform:translateY(1px); }
.btn--primary{ background:var(--accent); color:var(--on-accent); }
:root[data-theme="dark"] .btn--primary{ background:linear-gradient(135deg, var(--accent), var(--accent-deep)); box-shadow:0 10px 26px -12px rgba(200,169,106,.5); }
.btn--primary:hover{ opacity:.92; }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--hairline); }
.btn--ghost:hover{ border-color:var(--ink-faint); }
.btn--lg{ padding:16px 30px; font-size:16px; }
.arw{ transition:transform .2s ease; }
.btn:hover .arw{ transform:translateX(3px); }

/* ---------- hero ---------- */
.hero{ padding-top:clamp(44px,7vw,90px); padding-bottom:clamp(40px,6vw,80px); }
.hero__grid{ display:grid; grid-template-columns:1.04fr .96fr; gap:clamp(34px,5vw,80px); align-items:center; }
.hero h1{ font-size:clamp(40px,6.2vw,80px); }
.hero .lead{ margin-top:26px; }
.hero__cta{ margin-top:36px; display:flex; gap:13px; flex-wrap:wrap; align-items:center; }
.hero__note{ margin-top:20px; font-size:13px; color:var(--ink-faint); }
.hero__note b{ color:var(--ink-dim); font-weight:600; }

/* ---------- score ring (signature) ---------- */
.ring-card{
  border-radius:var(--card-radius); padding:clamp(28px,4vw,44px);
  display:flex; flex-direction:column; align-items:center; gap:22px;
  background:var(--bg);
}
:root .ring-card{ border:1px solid var(--accent); border-radius:0; }            /* light = squared green outline */
:root[data-theme="dark"] .ring-card{
  border:1px solid var(--accent-soft);
  background:radial-gradient(120% 120% at 50% 0%, var(--spotlight), var(--surface));
  box-shadow:var(--shadow); border-radius:22px;
}
.ring{ position:relative; width:min(72vw,300px); aspect-ratio:1; }
.ring svg{ width:100%; height:100%; transform:rotate(-90deg); }
.ring__track{ fill:none; stroke:var(--hairline); stroke-width:6; }
.ring__bar{ fill:none; stroke:var(--accent); stroke-width:6; stroke-linecap:round; }
:root[data-theme="dark"] .ring__bar{ filter:drop-shadow(0 0 10px rgba(200,169,106,.55)); }
.ring__mid{ position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px; }
.ring__num{ font-family:var(--serif); font-weight:500; font-size:clamp(56px,12vw,104px); line-height:.9; color:var(--ink); }
.ring__cap{ font-family:var(--sans); font-size:10.5px; font-weight:600; letter-spacing:.22em; text-transform:uppercase; color:var(--ink-faint); }
.ring__delta{ font-family:var(--serif); font-style:italic; font-size:18px; color:var(--positive); }
.ring-meta{ display:flex; gap:22px; width:100%; justify-content:center; border-top:1px solid var(--hairline); padding-top:20px; }
.ring-meta div{ text-align:center; }
.ring-meta .k{ font-family:var(--sans); font-size:10px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); }
.ring-meta .v{ font-family:var(--serif); font-style:italic; font-size:19px; margin-top:5px; color:var(--ink); }

/* ---------- section header ---------- */
.shead{ max-width:32ch; margin-bottom:clamp(34px,5vw,58px); }
.shead.center{ max-width:30ch; margin-left:auto; margin-right:auto; text-align:center; }
.shead .disp{ font-size:clamp(32px,4.8vw,60px); }
.shead p{ color:var(--ink-dim); font-size:clamp(18px,1.9vw,21px); margin-top:20px; }

/* ---------- problem ---------- */
.prose{ max-width:60ch; }
.prose p{ color:var(--ink-dim); font-size:clamp(18px,1.95vw,22px); line-height:1.6; margin:0 0 20px; }
.prose .it{ color:var(--ink); }

/* ---------- steps ---------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,3vw,40px); }
.step{ border-top:1px solid var(--hairline); padding-top:24px; }
.step__n{ font-family:var(--serif); font-style:italic; font-size:34px; color:var(--accent); line-height:1; }
.step h3{ font-family:var(--serif); font-weight:500; font-size:25px; margin:16px 0 10px; }
.step p{ margin:0; color:var(--ink-dim); font-size:16px; line-height:1.55; }

/* ---------- features ---------- */
.feat{ display:grid; grid-template-columns:repeat(2,1fr); gap:0 clamp(30px,5vw,64px); }
.feat__c{ border-top:1px solid var(--hairline); padding:26px 0; display:grid; grid-template-columns:auto 1fr; gap:18px; align-items:start; }
.feat__ic{ width:30px; height:30px; color:var(--accent); flex:none; margin-top:3px; }
.feat__c h3{ font-family:var(--serif); font-weight:500; font-size:23px; margin:0 0 6px; }
.feat__c p{ margin:0; color:var(--ink-dim); font-size:15.5px; line-height:1.5; }

/* ---------- price band ---------- */
.price{ text-align:center; }
.price__big{ font-family:var(--serif); font-weight:500; font-size:clamp(40px,7vw,96px); line-height:1; margin:0; color:var(--ink); }
.price__big .cur{ color:var(--accent); }
.price .disp{ font-size:clamp(30px,4.4vw,54px); margin-bottom:8px; }
.price p{ color:var(--ink-dim); font-size:clamp(18px,1.95vw,22px); max-width:46ch; margin:24px auto 0; line-height:1.55; }
.price .once{ font-family:var(--serif); font-style:italic; color:var(--ink); }

/* ---------- privacy band ---------- */
.band{ border-radius:var(--card-radius); padding:clamp(40px,6vw,76px); border:1px solid var(--accent); border-radius:0; }
:root[data-theme="dark"] .band{ background:var(--surface); border:1px solid var(--card-border, rgba(237,230,212,.08)); border-radius:22px; }
.band .disp{ font-size:clamp(30px,4.4vw,56px); max-width:22ch; }
.band__list{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px 34px; margin:34px 0 0; padding:0; list-style:none; }
.band__list li{ display:flex; gap:11px; align-items:flex-start; color:var(--ink-dim); font-size:15.5px; line-height:1.45; }
.band__list .tick{ color:var(--accent); flex:none; margin-top:2px; font-weight:700; }

/* ---------- disclaimer + crisis ---------- */
.disclaim{ border:1px solid var(--hairline); border-radius:var(--card-radius); padding:clamp(26px,3.5vw,38px); background:color-mix(in srgb, var(--bg-2) 60%, transparent); }
.disclaim p{ margin:0 0 14px; color:var(--ink-dim); font-size:15.5px; line-height:1.6; max-width:74ch; }
.disclaim p:last-child{ margin:0; }
.crisis{ display:flex; gap:14px; align-items:flex-start; margin-top:22px; padding-top:22px; border-top:1px solid var(--hairline); }
.crisis__dot{ width:9px; height:9px; border-radius:50%; background:var(--crisis); flex:none; margin-top:8px; }
.crisis p{ margin:0; color:var(--ink); font-size:15.5px; line-height:1.55; }
.crisis b{ color:var(--crisis); }

/* ---------- screenshots ---------- */
.shots{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.shot{ border:1px solid var(--hairline); border-radius:var(--card-radius); overflow:hidden; background:var(--bg-2); aspect-ratio:9/19.5; position:relative; }
.shot img{ width:100%; height:100%; object-fit:cover; }
.shot__ph{ position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px; color:var(--ink-faint); text-align:center; padding:18px; }
.shot__ph .l{ font-family:var(--sans); font-size:10.5px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; }
.shot__cap{ font-family:var(--sans); font-size:11px; letter-spacing:.06em; color:var(--ink-faint); margin-top:11px; text-align:center; }

/* ---------- CTA ---------- */
.cta{ text-align:center; }
.cta .disp{ font-size:clamp(38px,6vw,84px); }
.cta__row{ margin-top:32px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; align-items:center; }

/* ---------- footer ---------- */
.foot{ border-top:1px solid var(--hairline); padding:clamp(46px,6vw,72px) 0 40px; }
.foot__grid{ display:grid; grid-template-columns:1.7fr 1fr 1fr; gap:36px; }
.foot__blurb{ color:var(--ink-dim); font-size:14.5px; line-height:1.55; max-width:40ch; margin:16px 0 0; }
.foot__col h4{ font-family:var(--sans); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 16px; font-weight:600; }
.foot__col ul{ list-style:none; padding:0; margin:0; display:grid; gap:11px; }
.foot__col a{ text-decoration:none; color:var(--ink-dim); font-size:14.5px; transition:color .2s ease; }
.foot__col a:hover{ color:var(--ink); }
.foot__base{ display:flex; justify-content:space-between; gap:14px; margin-top:clamp(40px,5vw,64px); padding-top:26px; border-top:1px solid var(--hairline); font-size:12.5px; color:var(--ink-faint); flex-wrap:wrap; }

/* ---------- doc pages ---------- */
.doc-hero{ padding-top:clamp(54px,8vw,108px); padding-bottom:clamp(18px,3vw,34px); }
.doc-hero .disp{ font-size:clamp(42px,6.6vw,82px); }
.doc-hero .lead{ margin-top:22px; }
.doc-meta{ font-family:var(--sans); font-size:12.5px; letter-spacing:.03em; color:var(--ink-faint); margin-top:24px; line-height:1.7; }
.doc{ max-width:760px; }
.doc section{ margin-bottom:32px; }
.doc h2{ font-family:var(--serif); font-weight:500; font-size:clamp(24px,3vw,32px); margin:0 0 14px; display:flex; gap:13px; align-items:baseline; }
.doc h2 .n{ font-family:var(--sans); font-size:13px; font-weight:600; letter-spacing:.08em; color:var(--accent); padding-top:2px; }
.doc p{ color:var(--ink-dim); font-size:16.5px; line-height:1.68; margin:0 0 14px; }
.doc ul{ color:var(--ink-dim); font-size:16.5px; line-height:1.6; padding-left:22px; margin:0 0 14px; }
.doc li{ margin-bottom:9px; }
.doc a{ color:var(--ink); text-decoration:underline; text-underline-offset:3px; text-decoration-color:var(--hairline); }
.doc a:hover{ text-decoration-color:var(--accent); }
.doc .hl{ color:var(--ink); font-weight:500; }
.doc .crisis-line{ color:var(--ink); }
.doc .crisis-line b{ color:var(--crisis); }
.doc-note{ border:1px solid var(--hairline); border-radius:var(--card-radius); padding:20px 22px; color:var(--ink-dim); font-size:15px; line-height:1.55; background:color-mix(in srgb,var(--bg-2) 55%, transparent); }
.doc-note b{ color:var(--ink); }

/* ---------- faq ---------- */
.faq{ max-width:780px; }
.faq details{ border-bottom:1px solid var(--hairline); }
.faq summary{ cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 0; font-family:var(--serif); font-size:21px; font-weight:500; }
.faq summary::-webkit-details-marker{ display:none; }
.faq .plus{ position:relative; width:15px; height:15px; flex:none; }
.faq .plus::before,.faq .plus::after{ content:""; position:absolute; background:var(--ink-faint); transition:transform .25s ease; }
.faq .plus::before{ top:7px; left:0; width:15px; height:1.6px; }
.faq .plus::after{ left:7px; top:0; width:1.6px; height:15px; }
.faq details[open] .plus::after{ transform:scaleY(0); }
.faq .ans{ color:var(--ink-dim); font-size:16px; line-height:1.62; margin:0 0 22px; max-width:66ch; }
.faq .ans a{ color:var(--ink); text-decoration:underline; text-underline-offset:3px; }

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- responsive ---------- */
@media (max-width:920px){
  .hero__grid{ grid-template-columns:1fr; gap:42px; }
  .steps{ grid-template-columns:1fr; gap:0; }
  .step{ padding:24px 0; }
  .feat{ grid-template-columns:1fr; }
  .band__list{ grid-template-columns:1fr 1fr; }
  .shots{ grid-template-columns:1fr 1fr; }
  .foot__grid{ grid-template-columns:1fr 1fr; }
  .foot__brand{ grid-column:1 / -1; }
  .nav__links{ display:none; }
}
@media (max-width:560px){
  body{ font-size:16px; }
  .band__list{ grid-template-columns:1fr; }
  .shots{ grid-template-columns:1fr 1fr; }
  .foot__grid{ grid-template-columns:1fr 1fr; }
  .foot__base{ justify-content:flex-start; gap:8px 20px; }
}
@media (prefers-reduced-motion:reduce){
  *{ scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* ---------- language toggle ---------- */
.lang-toggle{
  font-family:var(--sans); font-size:13px; font-weight:600; letter-spacing:.04em;
  text-decoration:none; color:var(--ink-dim); border:1px solid var(--hairline);
  border-radius:999px; padding:8px 13px; transition:color .2s ease, border-color .2s ease;
}
.lang-toggle:hover{ color:var(--ink); border-color:var(--ink-faint); }

/* ---------- hero trend chart (signature, matches Progress) ---------- */
.chart-card{
  border-radius:var(--card-radius); padding:clamp(22px,3vw,30px); background:var(--bg);
}
:root .chart-card{ border:1px solid var(--accent); border-radius:0; }
:root[data-theme="dark"] .chart-card{
  border:1px solid var(--accent-soft);
  background:radial-gradient(120% 120% at 50% 0%, var(--spotlight), var(--surface));
  box-shadow:var(--shadow); border-radius:22px;
}
.chart-card__top{ display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin-bottom:18px; }
.chart-card__lab{ font-family:var(--sans); font-size:10.5px; font-weight:600; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-faint); }
.chart-card__kind{ font-family:var(--serif); font-style:italic; font-size:19px; color:var(--accent); }
.chart-scores{ display:flex; gap:30px; margin-bottom:18px; }
.chart-scores .num{ font-family:var(--serif); font-size:46px; line-height:.9; color:var(--ink); }
.chart-scores .meta{ display:flex; flex-direction:column; justify-content:center; }
.chart-scores .st{ font-family:var(--serif); font-style:italic; font-size:17px; color:var(--positive); }
.chart-scores .lb{ font-family:var(--sans); font-size:12px; color:var(--ink-faint); }
.chartwrap svg{ width:100%; height:auto; display:block; }
.ch-grid{ stroke:var(--hairline-soft); stroke-width:1; }
.ch-dose{ stroke:var(--hairline); stroke-width:1; stroke-dasharray:2 5; }
.ch-axis{ font-family:var(--sans); font-size:13px; fill:var(--ink-faint); }
.ch-dep{ fill:none; stroke:var(--accent); stroke-width:3; stroke-linecap:round; stroke-linejoin:round; }
.ch-anx{ fill:none; stroke:var(--ink-faint); stroke-width:2.4; stroke-dasharray:6 6; stroke-linecap:round; stroke-linejoin:round; }
.ch-dot{ fill:var(--accent); }
.ch-dot-ring{ fill:none; stroke:var(--accent); stroke-width:2; opacity:.5; }
.ch-dot-anx{ fill:var(--ink-faint); }
.chart-legend{ display:flex; gap:22px; margin-top:14px; }
.chart-legend span{ display:inline-flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-dim); }
.chart-legend .sw{ width:18px; height:0; border-top:3px solid var(--accent); }
.chart-legend .sw.anx{ border-top:2.4px dashed var(--ink-faint); }

/* ---------- device frame (real screenshots) ---------- */
.device{ max-width:332px; margin:0 auto; border-radius:44px; overflow:hidden; border:1px solid var(--hairline); background:var(--bg); box-shadow:var(--shadow); }
.device img{ width:100%; display:block; }
.device .shot-dark{ display:none; }
:root[data-theme="dark"] .device .shot-light{ display:none; }
:root[data-theme="dark"] .device .shot-dark{ display:block; }