/* ============================================================
   MERIDIAN — design system
   Dark ink-navy "financial health checkup" register.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --canvas:#0B1220;
  --surface:#101A2E;
  --surface-2:#151F37;
  --surface-3:#1B2742;
  --line:#1E2A42;
  --line-2:#263454;

  --ink:#E8EEF7;
  --ink-2:#94A3C0;
  --ink-3:#5B6B8C;

  --green:#2BD576;
  --green-bright:#3BE08A;
  --green-soft:rgba(43,213,118,.14);
  --amber:#F5A524;
  --amber-soft:rgba(245,165,36,.14);
  --orange:#F2603C;
  --orange-soft:rgba(242,96,60,.14);
  --teal:#3FD3C0;
  --blue:#4F8BFF;
  --violet:#A78BFA;

  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-1:0 8px 28px rgba(0,0,0,.28);
  --shadow-2:0 22px 60px rgba(0,0,0,.42);
  --container:1120px;

  --font-disp:'Space Grotesk','Segoe UI',sans-serif;
  --font-body:'Inter','Segoe UI',sans-serif;
}

/* ---------- Reset & base ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--canvas);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
input{ font-family:inherit; }
:focus-visible{ outline:3px solid var(--green); outline-offset:3px; border-radius:8px; }

.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:28px; }
h1,h2,h3,h4{ font-family:var(--font-disp); line-height:1.12; letter-spacing:-.015em; }

.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--font-disp); font-weight:600; font-size:.76rem;
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--green);
}
.eyebrow::before{
  content:""; width:22px; height:2px; border-radius:2px; background:var(--green);
}

.section{ padding:96px 0; }
.section--alt{ background:linear-gradient(180deg, var(--canvas), #0D1526 40%, var(--canvas)); }
.section__head{ max-width:640px; margin-bottom:52px; }
.section__head.center{ margin-inline:auto; text-align:center; }
.section__head .eyebrow.center::before{ display:none; }
.section__title{ font-size:clamp(1.7rem, 3.4vw, 2.5rem); font-weight:600; margin-top:16px; color:var(--ink); }
.section__sub{ margin-top:14px; color:var(--ink-2); font-size:1.05rem; }

/* ---------- Header ---------- */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,18,32,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.header.scrolled{ border-bottom-color:var(--line); }
.header__inner{ display:flex; align-items:center; gap:24px; height:72px; }
.brand{ display:flex; align-items:center; gap:11px; font-family:var(--font-disp); font-weight:700; font-size:1.16rem; letter-spacing:.02em; }
.brand__mark{ width:30px; height:30px; }
.nav{ display:flex; align-items:center; gap:26px; margin-left:auto; }
.nav a{ color:var(--ink-2); font-size:.94rem; font-weight:500; transition:color .2s; }
.nav a:hover{ color:var(--ink); }
.header__cta{
  font-family:var(--font-disp); font-weight:600; font-size:.92rem;
  background:var(--green); color:#062818; border-radius:999px;
  padding:11px 20px; transition:transform .18s, box-shadow .25s, background .2s;
}
.header__cta:hover{ background:var(--green-bright); transform:translateY(-1px); box-shadow:0 10px 26px rgba(43,213,118,.25); }

/* ---------- Buttons & chips ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--font-disp); font-weight:600; font-size:1.02rem;
  border-radius:999px; padding:16px 30px; transition:transform .18s, box-shadow .25s, background .2s;
}
.btn--primary{ background:var(--green); color:#062818; }
.btn--primary:hover{ background:var(--green-bright); transform:translateY(-2px); box-shadow:0 16px 40px rgba(43,213,118,.3); }
.btn--ghost{ background:transparent; color:var(--ink); border:1px solid var(--line-2); }
.btn--ghost:hover{ border-color:var(--ink-3); transform:translateY(-2px); }
.btn--lg{ padding:18px 36px; font-size:1.08rem; }
.btn--block{ width:100%; }

.chip{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.84rem; font-weight:500; color:var(--ink-2);
  border:1px solid var(--line-2); border-radius:999px; padding:8px 15px;
  background:rgba(21,31,55,.4);
}
.chip b{ color:var(--ink); font-weight:600; }

/* ---------- Hero ---------- */
.hero{ position:relative; overflow:hidden; padding:84px 0 60px; }
.hero::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(900px 500px at 78% -10%, rgba(43,213,118,.10), transparent 60%),
    radial-gradient(700px 420px at 8% 110%, rgba(79,139,255,.08), transparent 60%);
}
.hero__grid{ position:relative; display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center; }
.hero__title{
  font-size:clamp(2.3rem, 5.4vw, 3.9rem); font-weight:700; letter-spacing:-.02em;
  margin-top:20px; line-height:1.05;
}
.hero__title .accent{ color:var(--green); }
.hero__sub{ margin-top:22px; color:var(--ink-2); font-size:1.14rem; max-width:520px; }
.hero__chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:28px; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.hero__note{ margin-top:20px; color:var(--ink-3); font-size:.86rem; }

/* ---------- Dial (ring gauge) ---------- */
.dial{ position:relative; width:min(360px, 82vw); aspect-ratio:1; }
.dial svg{ width:100%; height:100%; transform:rotate(-90deg); }
.dial__track{ fill:none; stroke:var(--line); stroke-width:13; }
.dial__arc{
  fill:none; stroke:var(--green); stroke-width:13; stroke-linecap:round;
  stroke-dasharray:var(--arc,0);
  stroke-dashoffset:0;
  transition:stroke-dasharray 1.15s cubic-bezier(.33,.9,.3,1);
}
.dial__num{
  position:absolute; inset:0; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:2px;
}
.dial__num strong{
  font-family:var(--font-disp); font-size:clamp(4rem, 11vw, 6rem); font-weight:700;
  line-height:1; font-variant-numeric:tabular-nums; letter-spacing:-.02em;
}
.dial__num span{ font-size:.95rem; color:var(--ink-2); font-weight:500; }
.dial__glow{ position:absolute; inset:-30px; border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, rgba(43,213,118,.16), transparent 62%); }
.dial--demo .dial__num strong{ color:var(--green-bright); }

/* ---------- Steps (how it works) ---------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.step{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:34px 30px; transition:transform .25s, border-color .25s, box-shadow .25s;
}
.step:hover{ transform:translateY(-4px); border-color:var(--line-2); box-shadow:var(--shadow-1); }
.step__num{
  font-family:var(--font-disp); font-weight:700; font-size:.9rem;
  color:var(--green); display:flex; align-items:center; gap:9px;
}
.step__num::after{ content:""; flex:1; height:1px; background:var(--line); }
.step h3{ margin-top:22px; font-size:1.28rem; font-weight:600; }
.step p{ margin-top:10px; color:var(--ink-2); font-size:.98rem; }

/* ---------- Persona cards ---------- */
.personas{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.persona{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:26px 24px; cursor:pointer; position:relative; overflow:hidden;
  transition:transform .25s, border-color .25s;
}
.persona:hover{ transform:translateY(-4px); border-color:var(--line-2); }
.persona::before{ content:""; position:absolute; inset:0 0 auto; height:3px; background:var(--pc, var(--green)); opacity:.85; }
.persona__name{ font-family:var(--font-disp); font-weight:600; font-size:1.18rem; display:flex; align-items:center; gap:9px; }
.persona__tag{ font-family:var(--font-disp); font-weight:600; font-size:.7rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--pc,var(--green)); background:color-mix(in srgb, var(--pc,var(--green)) 14%, transparent);
  padding:4px 10px; border-radius:999px; }
.persona__essence{ margin-top:12px; color:var(--ink-2); font-size:.94rem; }
.persona__hint{ margin-top:16px; font-size:.86rem; color:var(--ink-3); display:flex; align-items:center; gap:7px; }

/* ---------- FAQ ---------- */
.faq{ max-width:760px; margin-inline:auto; }
.faq__item{ background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md); margin-bottom:12px; overflow:hidden; }
.faq__q{
  width:100%; text-align:left; background:none; border:none; color:var(--ink);
  font-family:var(--font-disp); font-weight:600; font-size:1.05rem;
  padding:22px 26px; display:flex; align-items:center; justify-content:space-between; gap:18px;
}
.faq__q .faq__icon{ flex:none; width:22px; height:22px; border-radius:50%; border:1px solid var(--line-2);
  display:grid; place-items:center; color:var(--green); font-weight:600; transition:transform .3s; }
.faq__item.open .faq__icon{ transform:rotate(45deg); }
.faq__a{ max-height:0; overflow:hidden; transition:max-height .35s ease; }
.faq__a p{ padding:0 26px 24px; color:var(--ink-2); font-size:.98rem; }

/* ---------- Quiz ---------- */
.quiz{ min-height:calc(100vh - 72px); display:flex; flex-direction:column; }
.quiz__progress{ position:fixed; top:72px; left:0; right:0; height:3px; background:var(--line); z-index:40; }
.quiz__progress span{ display:block; height:100%; width:0; background:var(--green); transition:width .3s ease; }
.quiz__stage{ flex:1; display:flex; align-items:center; padding:72px 0 40px; }
.quiz__card{
  width:100%; max-width:680px; margin-inline:auto; text-align:center;
  opacity:0; transform:translateY(14px); transition:opacity .3s ease, transform .3s ease;
}
.quiz__card.in{ opacity:1; transform:none; }
.quiz__pillar{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-disp); font-weight:600; font-size:.76rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--pc,var(--green)); background:color-mix(in srgb, var(--pc,var(--green)) 12%, transparent);
  padding:7px 15px; border-radius:999px;
}
.quiz__q{ margin-top:26px; font-size:clamp(1.45rem, 3.6vw, 2.05rem); font-weight:600; letter-spacing:-.015em; }
.quiz__q-sub{ margin-top:10px; color:var(--ink-3); font-size:.92rem; }
.quiz__options{ display:grid; gap:12px; margin-top:38px; text-align:left; }
.quiz__option{
  display:flex; align-items:center; gap:14px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md);
  padding:18px 22px; color:var(--ink); font-size:1rem; text-align:left;
  transition:border-color .2s, background .2s, transform .15s;
}
.quiz__option:hover{ border-color:var(--line-2); transform:translateX(3px); }
.quiz__option .dot{ width:16px; height:16px; flex:none; border-radius:50%; border:2px solid var(--line-2); transition:border-color .2s; }
.quiz__option.selected{ border-color:var(--green); background:var(--green-soft); }
.quiz__option.selected .dot{ border-color:var(--green); background:var(--green); box-shadow:0 0 0 4px var(--green-soft); }
.quiz__slider-wrap{ margin-top:44px; text-align:left; }
.quiz__slider-value{
  font-family:var(--font-disp); font-size:3rem; font-weight:700; color:var(--green-bright);
  font-variant-numeric:tabular-nums; line-height:1; margin-bottom:6px;
}
.quiz__slider-value small{ font-size:1.4rem; color:var(--ink-2); }
.quiz__slider{ -webkit-appearance:none; appearance:none; width:100%; height:6px; border-radius:6px; background:var(--line); outline:none; }
.quiz__slider::-webkit-slider-thumb{
  -webkit-appearance:none; width:26px; height:26px; border-radius:50%;
  background:var(--green); border:4px solid var(--canvas); box-shadow:0 0 0 2px var(--green);
  cursor:pointer; transition:transform .15s;
}
.quiz__slider::-webkit-slider-thumb:hover{ transform:scale(1.15); }
.quiz__slider::-moz-range-thumb{ width:26px; height:26px; border-radius:50%; background:var(--green);
  border:4px solid var(--canvas); box-shadow:0 0 0 2px var(--green); cursor:pointer; }
.quiz__slider-labels{ display:flex; justify-content:space-between; color:var(--ink-3); font-size:.82rem; margin-top:10px; }
.quiz__nav{ margin-top:40px; display:flex; gap:14px; }
.quiz__back{
  background:none; border:1px solid var(--line-2); color:var(--ink-2);
  font-family:var(--font-disp); font-weight:600; font-size:.95rem;
  padding:15px 24px; border-radius:999px; transition:border-color .2s, color .2s;
}
.quiz__back:hover{ border-color:var(--ink-3); color:var(--ink); }
.quiz__privacy{ text-align:center; color:var(--ink-3); font-size:.84rem; padding-bottom:34px; display:flex; align-items:center; justify-content:center; gap:8px; }
.quiz__privacy svg{ width:15px; height:15px; flex:none; }

/* ---------- Result ---------- */
.result{ padding:76px 0 30px; }
.result__top{ text-align:center; max-width:720px; margin-inline:auto; }
.result__eyebrow{ color:var(--ink-2); }
.result__title{ font-size:clamp(1.6rem, 3.4vw, 2.4rem); font-weight:600; margin-top:12px; }
.result__sub{ margin-top:10px; color:var(--ink-2); }
.result__dial{ width:min(300px, 76vw); margin:36px auto 0; position:relative; }
.result__band{ margin-top:18px; font-family:var(--font-disp); font-weight:600; font-size:.82rem;
  letter-spacing:.18em; text-transform:uppercase; display:inline-flex; align-items:center; gap:9px;
  padding:8px 18px; border-radius:999px; }
.result__verdict{ max-width:560px; margin:22px auto 0; color:var(--ink-2); font-size:1.06rem; }

.result__panel{ margin-top:64px; display:grid; gap:40px; }
.pillar{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg); padding:30px 30px 28px;
}
.pillar__head{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.pillar__name{ font-family:var(--font-disp); font-weight:600; font-size:1.22rem; display:flex; align-items:center; gap:10px; }
.pillar__name .p-dot{ width:10px; height:10px; border-radius:50%; background:var(--pc,var(--green)); }
.pillar__score{ font-family:var(--font-disp); font-weight:700; font-size:1.3rem; font-variant-numeric:tabular-nums; color:var(--pc,var(--green)); }
.pillar__bar{ height:10px; background:var(--line); border-radius:999px; margin-top:18px; overflow:hidden; }
.pillar__bar span{ display:block; height:100%; width:0; border-radius:999px; background:var(--pc,var(--green));
  transition:width 1.1s cubic-bezier(.33,.9,.3,1); }
.pillar__tips{ margin-top:18px; display:grid; gap:8px; }
.pillar__tip{ display:flex; gap:10px; color:var(--ink-2); font-size:.94rem; }
.pillar__tip::before{ content:"→"; color:var(--pc,var(--green)); font-weight:600; flex:none; }

.persona-card{
  background:linear-gradient(160deg, var(--surface-2), var(--surface));
  border:1px solid var(--line); border-radius:var(--r-lg); padding:38px 34px; position:relative; overflow:hidden;
}
.persona-card::before{ content:""; position:absolute; top:0; left:0; right:0; height:4px; background:var(--pc,var(--green)); }
.persona-card__tag{ font-family:var(--font-disp); font-weight:600; font-size:.74rem; letter-spacing:.16em; text-transform:uppercase; color:var(--pc,var(--green)); }
.persona-card__name{ margin-top:10px; font-size:clamp(1.7rem,3.6vw,2.3rem); font-weight:700; }
.persona-card__essence{ margin-top:10px; color:var(--ink-2); font-size:1.06rem; max-width:560px; }
.persona-card__grid{ margin-top:28px; display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.persona-card__cell{ background:rgba(255,255,255,.02); border:1px solid var(--line); border-radius:var(--r-md); padding:18px 18px; }
.persona-card__cell h4{ font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-3); font-weight:600; }
.persona-card__cell p{ margin-top:8px; color:var(--ink-2); font-size:.93rem; }

.result__actions{ margin-top:52px; display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }
.result__sharebox{ margin-top:60px; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg); padding:34px; }
.result__sharebox h3{ font-size:1.3rem; font-weight:600; }
.result__sharebox p{ color:var(--ink-2); margin-top:8px; font-size:.96rem; }
.result__sharebox canvas{ width:100%; height:auto; border-radius:var(--r-md); margin-top:22px; border:1px solid var(--line); }
.result__share-actions{ margin-top:22px; display:flex; flex-wrap:wrap; gap:12px; }
.save-note{ font-size:.86rem; color:var(--ink-3); margin-top:14px; display:flex; align-items:center; gap:8px; }
.save-note.ok{ color:var(--green); }

/* ---------- About ---------- */
.about-hero{ padding:80px 0 30px; text-align:center; }
.about-hero h1{ font-size:clamp(2rem,4.6vw,3.1rem); font-weight:700; }
.about-hero p{ margin-top:16px; color:var(--ink-2); max-width:620px; margin-inline:auto; }
.article{ max-width:720px; margin-inline:auto; padding:48px 0 90px; }
.article h2{ font-size:1.6rem; font-weight:600; margin-top:52px; }
.article h2:first-child{ margin-top:0; }
.article h3{ font-size:1.15rem; font-weight:600; margin-top:28px; color:var(--green-bright); }
.article p{ margin-top:14px; color:var(--ink-2); }
.article ul{ margin:16px 0 0 20px; color:var(--ink-2); }
.article li{ margin-top:8px; }
.article .note{ background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--green); border-radius:var(--r-md); padding:20px 24px; margin-top:22px; color:var(--ink-2); font-size:.95rem; }

/* ---------- Footer ---------- */
.footer{ border-top:1px solid var(--line); padding:64px 0 40px; background:linear-gradient(180deg, transparent, rgba(10,15,27,.6)); }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; }
.footer__brand p{ margin-top:14px; color:var(--ink-3); font-size:.9rem; max-width:300px; }
.footer h4{ font-family:var(--font-disp); font-weight:600; font-size:.8rem; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-2); margin-bottom:16px; }
.footer__col a{ display:block; color:var(--ink-3); font-size:.92rem; margin-bottom:10px; transition:color .2s; }
.footer__col a:hover{ color:var(--ink); }
.footer__bottom{ margin-top:52px; padding-top:26px; border-top:1px solid var(--line); display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center; color:var(--ink-3); font-size:.86rem; }
.privacy-line{ display:flex; align-items:center; gap:8px; }

/* ---------- 404 ---------- */
.fourohfour{ min-height:70vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:60px 20px; }
.fourohfour h1{ font-size:clamp(2.4rem,7vw,4.4rem); font-weight:700; }
.fourohfour p{ margin-top:14px; color:var(--ink-2); max-width:420px; }
.fourohfour .btn{ margin-top:32px; }

/* ---------- Reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 920px){
  .hero__grid{ grid-template-columns:1fr; gap:44px; text-align:center; }
  .hero__sub{ margin-inline:auto; }
  .hero__actions{ justify-content:center; }
  .hero__chips{ justify-content:center; }
  .dial{ margin-inline:auto; }
  .steps{ grid-template-columns:1fr; }
  .personas{ grid-template-columns:1fr; }
  .persona-card__grid{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr; gap:34px; }
  .section{ padding:72px 0; }
  .nav a{ display:none; }
  .nav .header__cta{ display:inline-flex; }
}