/* ============================================================
   Happ quickstart — MONO design system
   Warm charcoal ground, pure-white text, opacity-tier surfaces,
   zero accent hue. Lifted from the approved concept-1-mono mockup
   and extended for inner-page routes.
   ============================================================ */

/* ---------- Fonts: self-hosted Montserrat (latin + cyrillic) ---------- */
@font-face{font-family:'Montserrat';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/montserrat-latin-400-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/montserrat-cyrillic-400-normal.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/montserrat-latin-600-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/montserrat-cyrillic-600-normal.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/montserrat-latin-700-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/montserrat-cyrillic-700-normal.woff2') format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

/* ============================== TOKENS ============================== */
:root{
  --ground:#2b2b2b;      /* warm charcoal, not black */
  --recessed:#232323;
  --raised:rgba(255,255,255,.05);
  --text:#ffffff;
  --soft:rgba(255,255,255,.64);
  --label:rgba(255,255,255,.56);
  --muted:rgba(255,255,255,.32);
  --card:rgba(255,255,255,.08);
  --card-hover:rgba(255,255,255,.14);
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.24);

  --font:'Montserrat','Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --wrap:1200px;
  --pad:clamp(20px,5vw,64px);
  --sec:clamp(64px,10vw,132px);
  --r:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.23,1,.32,1);
}

*,*::before,*::after{box-sizing:border-box}
*{-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;overflow-x:hidden;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ground);
  color:var(--text);
  font-family:var(--font);
  font-weight:400;
  line-height:1.6;
  letter-spacing:-.01em;
  font-synthesis:none;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
b,strong{font-weight:600}
img,svg{max-width:100%}
::selection{background:#fff;color:#1c1c1c}
[id]{scroll-margin-top:88px}

/* monochrome grain — static, no motion */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='150' height='150' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container,.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);width:100%}

/* skip link */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:#fff;color:#1b1b1b;padding:.7rem 1.1rem;border-radius:var(--r);
  font-weight:600;
}
.skip-link:focus{left:1rem;top:1rem}

/* focus visibility — monochrome only */
a:focus-visible,button:focus-visible,summary:focus-visible,details:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:2px}

/* ============================== HAIRLINE / DIAGONAL SLICE ============================== */
.rule{position:relative;height:2.5rem;overflow:hidden;margin:0 auto;max-width:var(--wrap);width:100%}
.rule::before{
  content:"";position:absolute;left:-6%;width:112%;top:50%;height:1px;
  background:var(--line);transform:rotate(-1.15deg);transform-origin:center;
}
.rule.strong::before{background:var(--line-strong)}

/* ============================== TYPE ============================== */
.eyebrow{
  font-size:.72rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.22em;color:var(--label);
  display:flex;align-items:center;gap:.7rem;
}
.eyebrow::before{
  content:"";width:16px;height:1px;background:var(--line-strong);
  transform:skewX(-38deg);flex:none;
}
.signal-label{
  font-size:.72rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.2em;color:var(--label);
}

.display{
  font-weight:700;
  font-size:clamp(2.4rem,5.4vw,4.75rem);
  line-height:.98;
  letter-spacing:-.03em;
  margin:.35em 0 .1em;
  text-wrap:balance;
}
.display .soft{color:var(--soft);font-weight:600}

.section-title,.section-heading h2,.section h2{
  font-weight:700;
  font-size:clamp(1.7rem,4vw,2.7rem);
  line-height:1.04;
  letter-spacing:-.025em;
}
.section-title{margin-top:.35em;max-width:20ch}
.lede,.page-lead,.section-lead{
  color:var(--soft);
  font-size:clamp(1.02rem,1.6vw,1.2rem);
  max-width:62ch;
  margin-top:1.2rem;
}
.lede b,.page-lead b,.section-lead b{color:var(--text)}
.text-link{
  display:inline-flex;align-items:center;gap:.5rem;color:#fff;font-weight:600;
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;
  transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.text-link:hover{border-color:#fff;gap:.7rem}

/* ============================== BUTTONS ============================== */
.btn,.button{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  min-height: 2.75rem;padding:.7rem 1.5rem;border-radius:var(--r);
  font-family:inherit;font-size:1rem;font-weight:600;letter-spacing:-.01em;
  cursor:pointer;border:1px solid transparent;text-align:center;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.btn:active,.button:active{transform:translateY(1px)}
.btn .arw,.button .arw{transition:transform .3s var(--ease-out)}
.btn:hover .arw,.button:hover .arw{transform:translateX(4px)}

.btn-solid,.button--primary{background:#fff;color:#1b1b1b}
.btn-solid:hover,.button--primary:hover{background:rgba(255,255,255,.86)}

.btn-outline,.button--secondary,.button--inverse{background:transparent;color:#fff;border-color:var(--line-strong)}
.btn-outline:hover,.button--secondary:hover,.button--inverse:hover{background:var(--card);border-color:#fff}

.btn-ghost,.button--compact{
  background:transparent;color:var(--soft);border-color:var(--line);
  min-height:2.75rem;padding:.55rem 1.05rem;font-size:.92rem;
}
.btn-ghost:hover,.button--compact:hover{color:#fff;border-color:var(--line-strong);background:var(--card)}

.cta-row,.hero-actions,.action-buttons,.support-links{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem;align-items:center}
.support-links{margin-top:1.4rem}

/* ============================== HEADER ============================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--ground);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:.62rem}
.brand .mark{width:24px;height:29px;color:#fff;flex:none}
.brand-word,.brand-name{font-weight:700;font-size:1.18rem;letter-spacing:-.03em}
.brand-tag{
  font-size:.62rem;font-weight:600;text-transform:uppercase;letter-spacing:.2em;
  color:var(--label);padding:.28em .5em;border:1px solid var(--line);border-radius:3px;
}
.main-nav{display:flex;gap:.35rem}
.main-nav a{
  color:var(--soft);font-size:.92rem;font-weight:500;
  padding:.55rem .8rem;border-radius:var(--r);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:#fff;background:var(--card)}
.header-cta{margin-left:.4rem}

/* mobile menu */
.mobile-nav{display:none;position:relative}
.mobile-nav summary{
  list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;
  color:var(--soft);font-weight:600;font-size:.92rem;
  padding:.55rem .9rem;border:1px solid var(--line);border-radius:var(--r);min-height:2.75rem;
}
.mobile-nav summary::-webkit-details-marker{display:none}
.mobile-nav[open] summary{color:#fff;border-color:var(--line-strong)}
.mobile-nav nav{
  position:absolute;right:0;top:calc(100% + .6rem);min-width:230px;
  background:var(--recessed);border:1px solid var(--line);border-radius:var(--r);
  padding:.6rem;display:flex;flex-direction:column;gap:.2rem;z-index:60;
}
.mobile-nav nav a:not(.button){color:var(--soft);padding:.7rem .8rem;border-radius:var(--r);min-height:2.75rem;display:flex;align-items:center}
@media (hover:hover){.mobile-nav nav a:not(.button):hover{color:#fff;background:var(--card)}}
.mobile-nav nav .button{margin-top:.4rem}
.mobile-nav:not([open]) nav{display:none}

/* ============================== HERO (home) ============================== */
.hero{position:relative;overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(2rem,5vw,4rem);
  align-items:center;padding-top:clamp(48px,8vw,96px);padding-bottom:clamp(40px,6vw,72px);
}
.hero-art{justify-self:end;width:100%;max-width:440px}
.hero-art svg{width:100%;height:auto;display:block}

/* path strip below hero */
.path{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.path-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.path-step{display:flex;flex-direction:column;gap:.35rem;padding:1.5rem 1.4rem 1.6rem;position:relative}
.path-step + .path-step::before{
  content:"";position:absolute;left:0;top:14%;bottom:14%;width:1px;
  background:var(--line);transform:skewX(-9deg);
}
.path-num{font-size:.72rem;font-weight:600;letter-spacing:.2em;color:var(--muted)}
.path-name{font-weight:600;font-size:1.02rem;letter-spacing:-.02em}

/* ============================== PAGE HERO (inner routes) ============================== */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .container{padding-top:clamp(28px,4vw,44px);padding-bottom:clamp(40px,6vw,64px)}
.breadcrumbs{margin-bottom:1.8rem}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;font-size:.82rem;color:var(--muted)}
.breadcrumbs li{display:inline-flex;align-items:center;gap:.5rem}
.breadcrumbs li:not(:last-child)::after{content:"/";color:var(--muted);transform:skewX(-12deg);margin-left:.15rem}
.breadcrumbs a{color:var(--soft)}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs li[aria-current]{color:var(--soft)}
.page-hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(1.6rem,4vw,3.4rem);align-items:end}
.page-hero h1{
  font-weight:700;font-size:clamp(1.9rem,4vw,3.1rem);line-height:1.02;
  letter-spacing:-.03em;margin-top:.5rem;text-wrap:balance;
}
.result-ticket{
  border:1px solid var(--line);border-radius:var(--r);background:var(--raised);
  padding:1.2rem 1.3rem;display:flex;flex-direction:column;gap:.45rem;position:relative;
}
.result-ticket::before{content:"";position:absolute;left:0;top:1.1rem;bottom:1.1rem;width:2px;background:var(--line-strong);transform:skewX(-30deg)}
.result-ticket span{font-size:.68rem;text-transform:uppercase;letter-spacing:.2em;color:var(--label);font-weight:600}
.result-ticket strong{font-size:1.15rem;font-weight:700;letter-spacing:-.02em;line-height:1.2}

/* ============================== SECTIONS ============================== */
.section{padding-block:clamp(48px,7vw,88px)}
.section--lined{border-top:1px solid var(--line)}
.section-heading{max-width:60ch}
.section-heading .eyebrow,.section-heading .signal-label{margin-bottom:1rem}
.section-heading + *{margin-top:2rem}

/* ============================== TASK REGISTER (home) ============================== */
.tasks{padding-block:var(--sec)}
.task-list{margin-top:2.8rem;border-top:1px solid var(--line)}
.task-row{
  display:grid;grid-template-columns:auto 22px 1fr auto;
  align-items:center;gap:clamp(1rem,3vw,2.4rem);
  padding:clamp(1.15rem,2.4vw,1.7rem) 0;
  border-bottom:1px solid var(--line);
  min-height:64px;position:relative;
  transition:background .3s var(--ease);
}
.task-row::before{
  content:"";position:absolute;inset:0;background:var(--card);opacity:0;
  transition:opacity .3s var(--ease);z-index:-1;
}
.task-row:hover .task-num,.task-row:hover .task-slash,.task-row:hover .task-main{transform:translateX(10px)}
.task-row:hover::before{opacity:1}
.task-num{
  font-variant-numeric:tabular-nums;font-weight:600;
  font-size:clamp(1.1rem,2vw,1.5rem);color:var(--muted);
  letter-spacing:-.02em;transition:color .3s var(--ease),transform .35s var(--ease-out);
}
.task-row:hover .task-num{color:var(--soft)}
.task-slash{width:14px;height:22px;position:relative;flex:none;transition:transform .35s var(--ease-out)}
.task-slash::before{
  content:"";position:absolute;left:6px;top:0;width:2px;height:100%;
  background:var(--line-strong);transform:skewX(-30deg);transform-origin:center;
  transition:background .3s var(--ease);
}
.task-row:hover .task-slash::before{background:#fff}
.task-main{display:flex;flex-direction:column;gap:.2rem;min-width:0;transition:transform .35s var(--ease-out)}
.task-title{font-weight:600;font-size:clamp(1.15rem,2.4vw,1.55rem);letter-spacing:-.025em;line-height:1.1}
.task-desc{color:var(--soft);font-size:.9rem;line-height:1.35}
.task-arrow{font-size:1.3rem;color:var(--muted);flex:none;transition:color .3s var(--ease),transform .3s var(--ease)}
.task-row:hover .task-arrow{color:#fff;transform:translateX(5px)}

/* ============================== NUMBERED LEDGER (inner how-to) ============================== */
.ledger{margin-top:2.4rem;border-top:1px solid var(--line)}
.ledger li{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  gap:clamp(1rem,3vw,2.2rem);padding:clamp(1.1rem,2.2vw,1.5rem) 0;
  border-bottom:1px solid var(--line);position:relative;
  transition:background .3s var(--ease);
}
.ledger li::before{content:"";position:absolute;inset:0;background:var(--card);opacity:0;transition:opacity .3s var(--ease);z-index:-1}
.ledger li:hover .ledger-index,.ledger li:hover .ledger-copy{transform:translateX(8px)}
.ledger li:hover::before{opacity:1}
.ledger-index{font-variant-numeric:tabular-nums;font-weight:600;font-size:clamp(1.05rem,1.9vw,1.4rem);color:var(--muted);letter-spacing:-.02em;transition:transform .35s var(--ease-out)}
.ledger-copy{min-width:0;transition:transform .35s var(--ease-out)}
.ledger-copy h3{font-weight:600;font-size:clamp(1.05rem,2vw,1.3rem);letter-spacing:-.02em;line-height:1.2}
.ledger-copy p{color:var(--soft);font-size:.95rem;margin-top:.3rem;max-width:60ch}
.ledger-result{
  font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;font-weight:600;color:var(--soft);
  border:1px solid var(--line);border-radius:var(--r);padding:.4rem .7rem;white-space:nowrap;flex:none;
}

/* ============================== DATA / SPEC / PRICE ============================== */
.data{padding-block:clamp(48px,7vw,88px)}
.data-row{margin-top:1.5rem;font-weight:600;font-size:clamp(1.15rem,2.6vw,1.7rem);letter-spacing:-.02em;line-height:1.35;color:#fff}
.data-row .sep{color:var(--muted);font-weight:400;padding:0 .15em}
.data-note{margin-top:1.2rem;color:var(--soft);max-width:62ch;font-size:1rem}

.spec-row{
  display:flex;flex-wrap:wrap;gap:0;margin-top:1.9rem;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.spec-row li{flex:1 1 160px;padding:1.4rem 1.5rem 1.5rem;position:relative;display:flex;flex-direction:column;gap:.3rem}
.spec-row li + li::before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:1px;background:var(--line);transform:skewX(-9deg)}
.spec-row b{font-size:clamp(1.5rem,3.4vw,2.3rem);font-weight:700;letter-spacing:-.03em;line-height:1}
.spec-row span{color:var(--soft);font-size:.92rem}

.price-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}
.price-row li{
  display:flex;align-items:baseline;gap:.55rem;padding:.85rem 1.15rem;
  border:1px solid var(--line);border-radius:var(--r);background:var(--raised);
}
.price-row .p-term{color:var(--soft);font-size:.9rem}
.price-row .p-cost{font-weight:700;font-size:1.05rem;letter-spacing:-.02em}

/* price ledger (access page rows with CTA) */
.price-ledger{margin-top:2rem;border-top:1px solid var(--line)}
.price-ledger li{
  display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:clamp(1rem,3vw,2rem);
  padding:1.3rem 0;border-bottom:1px solid var(--line);
}
.price-ledger li > div{display:flex;flex-direction:column;gap:.2rem}
.price-ledger strong{font-weight:600;font-size:1.15rem;letter-spacing:-.02em}
.price-ledger li > div span{color:var(--soft);font-size:.88rem}
.price-ledger b{font-weight:700;font-size:clamp(1.3rem,3vw,1.9rem);letter-spacing:-.03em;justify-self:end}

/* ============================== TARIFFS (period comparison) ============================== */
.tariffs{display:grid;grid-template-columns:repeat(4,1fr);margin-top:2rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tariff{position:relative;display:flex;flex-direction:column;gap:.5rem;padding:2.4rem 1.4rem 1.8rem 2.6rem;min-width:0;color:var(--text);text-decoration:none;transition:background .3s var(--ease),transform .3s var(--ease-out)}
.tariff:hover{transform:translateY(-3px)}
.tariff:focus-visible{outline:2px solid var(--text);outline-offset:-3px}
/* diagonal-sliced highlight/hover slab — 39px slant == skewX(-9deg) at the 245px card height, parallel to the dividers */
.tariff::after{content:"";position:absolute;inset:0;background:var(--card-hover);clip-path:polygon(39px 0,100% 0,calc(100% - 39px) 100%,0 100%);opacity:0;transition:opacity .3s var(--ease);z-index:0}
.tariff:hover::after{opacity:1}
.tariff--best::after{background:var(--card);opacity:1}
.tariff--best:hover::after{background:var(--card-hover)}
.tariff + .tariff::before{content:"";position:absolute;left:0;top:16%;bottom:16%;width:1px;background:var(--line);transform:skewX(-9deg);z-index:1}
.tariff-term,.tariff-price,.tariff-note,.tariff-save,.tariff-go{position:relative;z-index:1}
.tariff-term{color:var(--soft);font-size:.92rem;font-weight:600}
.tariff-price{font-weight:700;font-size:clamp(1.55rem,3vw,2.25rem);letter-spacing:-.03em;line-height:1}
.tariff-note{color:var(--label);font-size:.85rem}
.tariff-save{display:flex;align-items:baseline;gap:.5rem;font-size:.95rem;color:var(--label)}
.tariff-save s{font-size:.85rem;text-decoration:line-through}
.tariff-save b{font-size:1.1rem;color:var(--text);font-weight:700;letter-spacing:-.01em}
.tariff-go{margin-top:auto;padding-top:1.1rem;font-size:.74rem;font-weight:600;color:var(--soft);transition:color .25s var(--ease),transform .25s var(--ease-out)}
.tariff:hover .tariff-go{color:var(--text);transform:translateX(3px)}
.tariff-flag{position:absolute;top:.85rem;left:2.7rem;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#1b1b1b;background:#fff;padding:.3em .5em;border-radius:3px;z-index:2}
@media (max-width:760px){
  .tariffs{grid-template-columns:1fr}
  .tariff{flex-flow:row wrap;align-items:baseline;gap:.25rem 1rem;padding:1.15rem 1rem;border-top:1px solid var(--line)}
  .tariff:first-child{border-top:none}
  .tariff:hover{transform:none}
  .tariff::after{clip-path:none}
  .tariff + .tariff::before{content:none}
  .tariff-term{order:1;flex:1}
  .tariff-price{order:2;font-size:1.5rem}
  .tariff-note{order:3;flex-basis:100%}
  .tariff-save{order:4;flex-basis:100%;margin-top:.1rem}
  .tariff-go{order:5;flex-basis:100%;margin-top:.5rem;padding-top:0}
  .tariff--best{padding-top:2.6rem}
  .tariff-flag{top:.7rem;left:1rem}
}

/* ============================== CARD SPLIT / GRID ============================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:2.4rem;position:relative}
.split > article,.split > div{padding:clamp(1.4rem,3vw,2.4rem) clamp(1.5rem,4vw,3rem)}
.split > *:first-child{padding-left:0}
.split > *:last-child{padding-right:0}
.split::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line-strong);transform:skewX(-11deg);transform-origin:center}
.split h2,.split h3{font-weight:700;font-size:clamp(1.3rem,2.6vw,1.9rem);letter-spacing:-.02em;line-height:1.1;margin-top:.6rem}
.split p{color:var(--soft);margin-top:.8rem;max-width:40ch}
.split .eyebrow{margin-bottom:.4rem}
.card-glyph{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r);
  font-weight:700;font-size:1rem;letter-spacing:-.02em;margin-bottom:1rem;
}

/* decision cards (update-subscription) */
.decision{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin-top:2.2rem}
.decision a{
  display:flex;flex-direction:column;gap:.4rem;padding:1.4rem 1.4rem 1.5rem;
  border:1px solid var(--line);border-radius:var(--r);background:var(--raised);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.decision a:hover{border-color:var(--line-strong);background:var(--card)}
.decision a > span{font-size:.68rem;text-transform:uppercase;letter-spacing:.18em;color:var(--label);font-weight:600}
.decision strong{font-weight:700;font-size:1.15rem;letter-spacing:-.02em;line-height:1.15}
.decision em{color:var(--soft);font-style:normal;font-size:.9rem}

/* stacked variant articles (update refresh/renew/app) */
.stack{margin-top:2.4rem;display:flex;flex-direction:column}
.stack article{padding:clamp(1.4rem,3vw,2rem) 0;border-top:1px solid var(--line)}
.stack article:first-child{border-top:none}
.stack article h2{font-weight:700;font-size:clamp(1.3rem,2.6vw,1.9rem);letter-spacing:-.02em;margin-top:.5rem}
.stack article p{color:var(--soft);margin-top:.8rem;max-width:60ch}
.status-inline{display:inline-flex;align-items:center;gap:.5rem;margin-top:1rem;color:var(--soft);font-size:.9rem;font-weight:600}
.status-inline::before{content:"";width:14px;height:2px;background:var(--line-strong);transform:skewX(-30deg);display:inline-block}

/* platform ledger (download) */
.platform-ledger{margin-top:2rem;border-top:1px solid var(--line)}
.platform-ledger li{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(1rem,3vw,2rem);
  padding:1.15rem 0;border-bottom:1px solid var(--line);
}
.platform-glyph{
  display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 .5rem;
  border:1px solid var(--line-strong);border-radius:var(--r);font-weight:700;font-size:.9rem;letter-spacing:.02em;
}
.platform-ledger li > div{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.platform-ledger strong{font-weight:600;font-size:1.1rem;letter-spacing:-.02em}
.platform-ledger small{color:var(--soft);font-size:.85rem}
.status-word{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--soft);font-weight:600;white-space:nowrap}

/* escalation / fact row */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:2.2rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-4 > div{padding:1.5rem 1.4rem;position:relative;display:flex;flex-direction:column;gap:.4rem}
.grid-4 > div + div::before{content:"";position:absolute;left:0;top:18%;bottom:18%;width:1px;background:var(--line);transform:skewX(-9deg)}
.grid-4 span{font-size:.72rem;font-weight:600;letter-spacing:.18em;color:var(--muted)}
.grid-4 strong{font-weight:700;font-size:clamp(1.2rem,2.4vw,1.7rem);letter-spacing:-.02em;line-height:1}
.grid-4 p{color:var(--soft);font-size:.88rem;margin-top:.1rem}
.facts-note{margin-top:1.2rem;color:var(--label);font-size:.86rem;max-width:64ch}

/* ============================== FAQ ============================== */
.faq{margin-top:2.4rem;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding:1.3rem 0;font-weight:600;font-size:clamp(1.02rem,2vw,1.2rem);letter-spacing:-.02em;min-height:2.75rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--muted);flex:none;transition:transform .25s var(--ease),color .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg);color:#fff}
.faq summary:hover{color:#fff}
.faq .details-body{padding:0 0 1.4rem}
.faq .details-body p{color:var(--soft);max-width:70ch}

/* privacy note */
.privacy-note{margin-top:1.6rem;color:var(--soft);border-left:2px solid var(--line-strong);padding-left:1rem;max-width:60ch}
.privacy-note strong{color:#fff}

/* checklist */
.checklist{margin-top:1.8rem;display:grid;gap:.5rem}
.checklist li{display:flex;align-items:center;gap:1rem;padding:.9rem 1.1rem;border:1px solid var(--line);border-radius:var(--r);background:var(--raised)}
.checklist li span{font-variant-numeric:tabular-nums;font-weight:600;color:var(--muted);flex:none}

/* ============================== ACTION BAND ============================== */
.action-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:clamp(40px,6vw,68px);margin-top:var(--sec)}
.action-band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2rem}
.action-band h2{font-weight:700;font-size:clamp(1.4rem,3vw,2.1rem);letter-spacing:-.025em;line-height:1.05;max-width:22ch}
.action-band p{color:var(--soft);margin-top:.8rem;max-width:52ch}

/* callout row */
.callout{margin-top:2.2rem}
.callout-inner{display:flex;flex-wrap:wrap;align-items:center;gap:1.2rem;padding:1.4rem 1.6rem;border:1px solid var(--line);border-radius:var(--r);background:var(--raised)}
.callout-inner p{color:var(--soft);flex:1 1 300px;min-width:0}
.callout-inner p strong{color:#fff}
.callout-code{font-weight:700;font-size:1.2rem;letter-spacing:-.02em;color:var(--soft)}

/* ============================== FOOTER ============================== */
.site-footer{border-top:1px solid var(--line);padding-block:clamp(48px,7vw,80px) 2.5rem;margin-top:var(--sec)}
.action-band + .site-footer{margin-top:0;border-top:none}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.footer-brand{display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1.2rem}
.footer-brand .mark{width:22px;height:27px;color:#fff}
.footer-brand .brand-word{font-size:1.05rem}
.footer-note{color:var(--soft);font-size:.95rem;max-width:46ch}
.footer-note b{color:#fff}
.footer-links{display:flex;flex-direction:column;gap:.2rem}
.footer-links .eyebrow{margin-bottom:1rem}
.footer-links a{color:var(--soft);padding:.5rem 0;min-height:2.75rem;display:inline-flex;align-items:center;transition:color .2s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-fine{margin-top:clamp(2.5rem,5vw,4rem);padding-top:1.6rem;border-top:1px solid var(--line);color:var(--label);font-size:.82rem;letter-spacing:.01em}

/* ============================== 404 ============================== */
.error-page{padding-block:clamp(80px,14vw,180px)}
.error-page h1{font-weight:700;font-size:clamp(2.2rem,6vw,4rem);letter-spacing:-.03em;line-height:1;margin:.5rem 0 1rem}
.error-page p{color:var(--soft);max-width:52ch}

/* ============================== REVEAL MOTION ============================== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .55s var(--ease-out),transform .55s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
/* No-JS / JS-failure fallback: keep content visible until the reveal system is confirmed ready */
html:not(.js-ready) .reveal{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}
.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.18s}
.reveal.d4{transition-delay:.24s}

/* MO-2 — sliced-«H» hero mark first-load entrance */
.hero-art{animation:hmark-in 1s var(--ease-out) both}
.hero-cut{stroke-dasharray:100;stroke-dashoffset:100;animation:hmark-cut .9s var(--ease-out) .3s both}
@keyframes hmark-in{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
@keyframes hmark-cut{to{stroke-dashoffset:0}}

/* ============================== RESPONSIVE ============================== */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .hero-art{order:-1;justify-self:start;max-width:230px}
  .page-hero-grid{grid-template-columns:1fr;gap:1.6rem;align-items:start}
  .path-inner{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:0}
  .split::before{left:0;right:0;top:50%;bottom:auto;width:auto;height:1px;transform:skewX(0) rotate(-1.5deg)}
  .split > *{padding:1.4rem 0!important}
  .split > *:first-child{padding-top:0!important}
  .decision{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid-4 > div:nth-child(3)::before{content:none}
}
@media (max-width:900px){
  .main-nav{display:none}
  .header-cta{display:none}
  .mobile-nav{display:block}
}
@media (max-width:520px){
  .brand-tag{display:none}
  .path-inner{grid-template-columns:1fr}
  .path-step + .path-step::before{content:none}
  .path-step{border-top:1px solid var(--line)}
  .path-step:first-child{border-top:none}
  .task-row{grid-template-columns:auto 14px 1fr auto;gap:.9rem}
  .ledger li{grid-template-columns:auto 1fr;gap:1rem}
  .ledger-result{grid-column:2;justify-self:start;margin-top:.2rem}
  .platform-ledger li{grid-template-columns:auto 1fr;row-gap:.3rem}
  .platform-ledger .status-word{grid-column:2;justify-self:start}
  .price-ledger li{grid-template-columns:1fr auto;row-gap:.7rem}
  .price-ledger .button{grid-column:1 / -1}
  .spec-row li{flex-basis:100%;flex-direction:row;align-items:baseline;justify-content:space-between;gap:1rem;padding:1.05rem 0;border-top:1px solid var(--line)}
  .spec-row li:first-child{border-top:none}
  .spec-row li + li::before{content:none}
  .spec-row b{font-size:clamp(1.4rem,7vw,1.9rem)}
  .spec-row span{text-align:right}
  .grid-4{grid-template-columns:1fr}
  .grid-4 > div + div::before{content:none}
  .grid-4 > div{border-top:1px solid var(--line)}
  .grid-4 > div:first-child{border-top:none}
  .footer-grid{grid-template-columns:1fr;gap:2.4rem}
  .action-band-inner{gap:1.4rem}
  .cta-row .btn,.action-buttons .btn{flex:1 1 100%}
}

/* ============================== REDUCED MOTION ============================== */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  html{scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  /* keep color/opacity feedback; strip positional movement only */
  .task-row:hover .task-num,.task-row:hover .task-slash,.task-row:hover .task-main,
  .ledger li:hover .ledger-index,.ledger li:hover .ledger-copy,
  .task-row:hover .task-arrow,.btn:hover .arw,.button:hover .arw,
  .tariff:hover,.tariff:hover .tariff-go{transform:none!important}
  .hero-art{animation:none!important}
  .hero-cut{stroke-dashoffset:0!important;animation:none!important}
}