/* ============================================================
   DFA — Decision-First Architecture · site styles
   Blue editorial palette (helix blue accent):
   teal-blue #2F7C8C · slate #3E4C59 · warm paper #F7F6F3
   Four pillars (the DFA loop) drive four accent colours:
     Enrich  · azure        #3F86C4
     Converge· amber/ochre   #C98A2E
     Decide  · teal-blue     #2F7C8C
     Verify  · olive/sage    #6E8B4E
   ============================================================ */
:root{
  /* fixed brand colours (same in both themes) — accent = helix blue.
     Variable names kept as --terra* for stability; values are now blue. */
  --terra:#2f7c8c;
  --terra-deep:#205863;
  --terra-bright:#45a6bb;
  --amber:#c98a2e;
  --teal:#2f7c8c;
  --olive:#6e8b4e;

  /* four pillars */
  --p-enrich:#3f86c4;
  --p-converge:#c98a2e;
  --p-decide:#2f7c8c;
  --p-verify:#6e8b4e;

  --radius:14px;
  --radius-lg:22px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --text-inv:#f2ece6;
  --text-inv-soft:#cdbfb4;
}

/* ---------- LIGHT THEME (default) — warm paper ---------- */
:root,:root[data-theme="light"]{
  color-scheme:light;
  --ink:#23292f;
  --bg:#f7f6f3;
  --bg-soft:#f0ece6;
  --bg-mute:#e9e3da;
  --surface-card:#ffffff;
  --line:#e0d8cd;
  --text:#3e4c59;
  --text-soft:#6b7480;
  --accent:var(--terra);
  --accent-soft:var(--terra-deep);
  --nav-glass:rgba(247,246,243,.86);
  --shadow:0 20px 54px -24px rgba(43,54,64,.35);
  --shadow-sm:0 10px 26px -16px rgba(43,54,64,.28);
  --wm:.06;
}

/* ---------- DARK THEME — warm charcoal slate ---------- */
:root[data-theme="dark"]{
  color-scheme:dark;
  --ink:#f1ece6;
  --bg:#181d22;
  --bg-soft:#1f262c;
  --bg-mute:#283038;
  --surface-card:#1e252b;
  --line:#333d46;
  --text:#cdbfb4;
  --text-soft:#9aa0a6;
  --accent:var(--terra-bright);
  --accent-soft:var(--terra);
  --nav-glass:rgba(20,25,30,.82);
  --shadow:0 22px 56px -26px rgba(0,0,0,.72);
  --shadow-sm:0 12px 28px -18px rgba(0,0,0,.7);
  --wm:.12;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:clip;
  transition:background .35s var(--ease),color .35s var(--ease);
}
.qcard,.step-card,.prop,.oc,.tpill,.contact__form,.nav,
.field input,.field textarea,.hpill{transition:background .35s var(--ease),border-color .35s var(--ease),color .35s var(--ease),box-shadow .35s var(--ease)}
h1,h2,h3,h4,h5{font-family:'Space Grotesk','Inter',sans-serif;line-height:1.12;color:var(--ink);letter-spacing:-.012em}
a{color:inherit;text-decoration:none}
img,canvas{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 26px}

/* -------- buttons -------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:600;font-size:.96rem;padding:.85rem 1.5rem;border-radius:10px;
  cursor:pointer;border:1.5px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s;
  white-space:nowrap;
}
.btn--primary{background:linear-gradient(120deg,var(--terra-bright),var(--terra-deep));color:#fff;box-shadow:0 12px 28px -12px rgba(47,124,140,.6)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(47,124,140,.8)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--block{width:100%}

/* -------- shared section bits -------- */
.kicker{font-family:'Space Grotesk',sans-serif;text-transform:uppercase;letter-spacing:.2em;font-size:.76rem;font-weight:600;color:var(--accent);margin-bottom:.85rem}
.kicker--light{color:var(--terra-bright)}
.section-head{max-width:760px;margin:0 auto 3.2rem;text-align:center}
.section-head h2{font-size:clamp(1.9rem,4vw,2.7rem);margin-bottom:1rem}
.section-head__sub{color:var(--text-soft);font-size:1.08rem}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============================================================ BRAND MARK */
.nav__brand{display:inline-flex;align-items:center;gap:.65rem}
.brand__helix{width:120px;height:40px;display:block}
.brand__word{display:flex;flex-direction:column;line-height:1}
.brand__mark{font-family:'Space Grotesk';font-weight:700;font-size:1.32rem;letter-spacing:.04em;color:#fff}
.brand__tag{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-inv-soft);margin-top:.18rem}
.nav.scrolled .brand__mark{color:var(--ink)}
.nav.scrolled .brand__tag{color:var(--text-soft)}

/* ============================================================ NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav__inner{display:flex;align-items:center;gap:1.5rem;height:76px}
.nav__links{display:flex;gap:1.6rem;margin-left:auto;font-weight:500;font-size:.95rem}
.nav__links a{color:#f1e9e2;opacity:.85;transition:opacity .2s,color .2s;position:relative}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--terra-bright);transition:width .25s var(--ease)}
.nav__links a:hover{opacity:1}.nav__links a:hover::after{width:100%}
.nav__cta{margin-left:0;padding:.6rem 1.2rem;font-size:.9rem}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;margin-left:auto}
.nav__toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* scrolled state -> warm paper bar */
.nav.scrolled{background:var(--nav-glass);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line),0 10px 30px -22px rgba(43,54,64,.5)}
.nav.scrolled .nav__links a{color:var(--ink);opacity:.8}
.nav.scrolled .nav__toggle span{background:var(--ink)}

/* ============================================================ HERO */
.hero{position:relative;padding:150px 0 120px;color:#fff;overflow:hidden;
  background:
   radial-gradient(1100px 560px at 82% -8%,rgba(47,124,140,.34),transparent 60%),
   radial-gradient(900px 500px at 8% 110%,rgba(47,124,140,.22),transparent 60%),
   linear-gradient(158deg,#171c21 0%,#1f262d 46%,#232b32 100%)}
.hero__bg{position:absolute;inset:0;overflow:hidden}
.hero__grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(circle at 70% 35%,#000,transparent 75%);
  mask-image:radial-gradient(circle at 70% 35%,#000,transparent 75%)}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hero__eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:'Space Grotesk';text-transform:uppercase;letter-spacing:.2em;font-size:.76rem;color:var(--terra-bright);
  border:1px solid rgba(69,166,187,.45);padding:.4rem .5rem .4rem .85rem;border-radius:50px;margin-bottom:1.4rem;background:rgba(47,124,140,.1)}
.hero__pp{font-size:.66rem;letter-spacing:.12em;color:#dff0f4;background:rgba(69,166,187,.32);border:1px solid rgba(69,166,187,.5);padding:.18rem .55rem;border-radius:50px}
.hero__title{font-size:clamp(2.3rem,5vw,3.7rem);color:#fff;margin-bottom:1.3rem;letter-spacing:-.02em}
.hero__sub{font-size:1.13rem;color:var(--text-inv-soft);max-width:600px;margin-bottom:2rem}
.hero__sub strong{color:#fff;font-weight:600}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.2rem}
.hero__pillars{display:flex;gap:.55rem;flex-wrap:wrap}
.hpill{font-family:'Space Grotesk';font-size:.82rem;font-weight:600;letter-spacing:.02em;color:#fff;
  padding:.4rem .9rem;border-radius:50px;border:1px solid transparent;position:relative;padding-left:1.7rem}
.hpill::before{content:"";position:absolute;left:.75rem;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%}
.hpill[data-pillar="enrich"]{background:rgba(63,134,196,.16);border-color:rgba(63,134,196,.5)}
.hpill[data-pillar="enrich"]::before{background:var(--p-enrich);box-shadow:0 0 10px var(--p-enrich)}
.hpill[data-pillar="converge"]{background:rgba(201,138,46,.16);border-color:rgba(201,138,46,.5)}
.hpill[data-pillar="converge"]::before{background:var(--p-converge);box-shadow:0 0 10px var(--p-converge)}
.hpill[data-pillar="decide"]{background:rgba(47,124,140,.16);border-color:rgba(47,124,140,.5)}
.hpill[data-pillar="decide"]::before{background:var(--p-decide);box-shadow:0 0 10px var(--p-decide)}
.hpill[data-pillar="verify"]{background:rgba(110,139,78,.16);border-color:rgba(110,139,78,.5)}
.hpill[data-pillar="verify"]::before{background:var(--p-verify);box-shadow:0 0 10px var(--p-verify)}

/* hero helix art */
.hero__art{position:relative;z-index:2}
.helix-stage{width:100%;height:380px;display:block}
.hero__art-cap{text-align:center;font-size:.82rem;color:var(--text-inv-soft);letter-spacing:.02em;margin-top:.4rem;opacity:.85}

.hero__divider{position:absolute;left:0;right:0;bottom:-1px;height:84px;z-index:2;
  background:var(--bg);clip-path:polygon(0 100%,100% 100%,100% 40%,0 100%)}

/* ============================================================ ONE-LINER */
.oneliner{background:var(--bg);padding:54px 0 10px}
.oneliner p{max-width:880px;margin:0 auto;text-align:center;font-family:'Space Grotesk';
  font-size:clamp(1.25rem,2.6vw,1.75rem);line-height:1.4;color:var(--ink);font-weight:500}
.oneliner strong{color:var(--accent);font-weight:600}

/* ============================================================ PROBLEM */
.problem{padding:90px 0;background:var(--bg)}
.problem__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.qcard{position:relative;padding:1.9rem 1.5rem;border-radius:var(--radius-lg);background:var(--surface-card);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.qcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.qcard__n{font-family:'Space Grotesk';font-weight:700;font-size:.9rem;color:#fff;background:linear-gradient(135deg,var(--terra-bright),var(--terra-deep));
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;margin-bottom:1rem;letter-spacing:.02em}
.qcard h3{font-size:1.16rem;margin-bottom:.5rem}
.qcard p{color:var(--text-soft);font-size:.94rem}
.qcard em{color:var(--accent);font-style:normal;font-weight:600}
.problem__punch{max-width:760px;margin:3rem auto 0;text-align:center;font-family:'Space Grotesk';font-size:1.2rem;line-height:1.5;color:var(--text)}
.problem__punch strong{color:var(--ink);font-weight:700}

/* ============================================================ WHAT */
.what{padding:96px 0;background:var(--bg-soft)}
.what__inner{display:grid;grid-template-columns:1fr 1fr;gap:3.4rem;align-items:center}
.what__copy h2{font-size:clamp(1.9rem,3.6vw,2.5rem);margin-bottom:1.1rem}
.what__copy p{color:var(--text-soft);margin-bottom:1rem}
.what__copy strong{color:var(--ink);font-weight:600}
.what__note{padding:1rem 1.2rem;background:var(--bg-mute);border-left:4px solid var(--accent);border-radius:0 10px 10px 0;color:var(--text)!important;font-weight:500}
.props{list-style:none;display:grid;gap:.9rem;counter-reset:p}
.prop{display:flex;gap:1.1rem;align-items:flex-start;background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.35rem;
  box-shadow:var(--shadow-sm);transition:transform .3s var(--ease)}
.prop:hover{transform:translateX(6px)}
.prop__n{flex:none;width:40px;height:40px;display:grid;place-items:center;font-family:'Space Grotesk';font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--teal),#1f5a66);border-radius:11px}
.prop h4{font-size:1.06rem;margin-bottom:.18rem}
.prop p{color:var(--text-soft);font-size:.92rem}

/* ============================================================ HOW — 4 PILLARS */
.how{padding:96px 0;background:var(--bg)}
.how__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem}
.step-card{position:relative;background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:2rem 1.6rem 1.9rem;
  overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.step-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--pc);transform:scaleX(.4);transform-origin:left;transition:transform .4s var(--ease)}
.step-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.step-card:hover::before{transform:scaleX(1)}
.step-card[data-pillar="enrich"]{--pc:var(--p-enrich)}
.step-card[data-pillar="converge"]{--pc:var(--p-converge)}
.step-card[data-pillar="decide"]{--pc:var(--p-decide)}
.step-card[data-pillar="verify"]{--pc:var(--p-verify)}
.step-card__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.1rem}
.step-card__idx{font-family:'Space Grotesk';font-weight:700;font-size:.92rem;color:var(--text-soft);letter-spacing:.05em}
.step-card__dot{width:30px;height:30px;border-radius:50%;background:var(--pc);
  box-shadow:0 0 0 6px color-mix(in srgb,var(--pc) 16%,transparent),0 6px 16px -6px var(--pc)}
.step-card h3{font-size:1.4rem;margin-bottom:.5rem;color:var(--pc)}
.step-card p{color:var(--text-soft);font-size:.95rem}

/* ============================================================ OUTPUT */
.output{position:relative;padding:100px 0;color:#fff;overflow:hidden;
  background:linear-gradient(150deg,#161b20,#1d242b 60%,#212931)}
.output::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 85% 50%,#000,transparent 70%);mask-image:radial-gradient(circle at 85% 50%,#000,transparent 70%)}
.output__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:3.4rem;align-items:center}
.output__copy h2{color:#fff;font-size:clamp(2rem,3.8vw,2.7rem);margin-bottom:1.1rem}
.output__lead{color:var(--text-inv-soft);font-size:1.08rem;margin-bottom:1.5rem}
.output__list{list-style:none;display:grid;gap:.85rem}
.output__list li{position:relative;padding-left:1.9rem;color:var(--text-inv-soft)}
.output__list strong{color:#fff;font-weight:600}
.output__list li::before{content:"";position:absolute;left:0;top:.45em;width:11px;height:11px;
  background:linear-gradient(135deg,var(--terra-bright),var(--amber));transform:rotate(45deg);border-radius:2px}

/* decision packet mock */
.output__visual{perspective:1200px}
.packet{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:16px;overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.6);backdrop-filter:blur(6px);transform:rotateY(-6deg) rotateX(3deg);transition:transform .5s var(--ease)}
.packet:hover{transform:rotateY(0) rotateX(0)}
.packet__bar{display:flex;align-items:center;gap:.5rem;padding:.8rem 1rem;background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.1)}
.packet__bar .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25)}
.packet__bar .dot:first-child{background:#45a6bb}.packet__bar .dot:nth-child(2){background:#c98a2e}.packet__bar .dot:nth-child(3){background:#6e8b4e}
.packet__title{margin-left:.6rem;font-size:.82rem;color:var(--text-inv-soft);font-family:'Space Grotesk'}
.packet__badge{margin-left:auto;font-family:'Space Grotesk';font-size:.62rem;font-weight:700;letter-spacing:.1em;color:#0f1417;
  background:linear-gradient(120deg,var(--p-verify),#8aa56a);padding:.22rem .55rem;border-radius:5px}
.packet__body{padding:1.1rem 1.2rem;display:grid;gap:.7rem}
.prow{display:grid;grid-template-columns:96px 1fr;gap:.8rem;align-items:center;background:rgba(255,255,255,.04);
  border-left:3px solid var(--rc);padding:.7rem .85rem;border-radius:8px}
.prow--enrich{--rc:var(--p-enrich)}
.prow--converge{--rc:var(--p-converge)}
.prow--decide{--rc:var(--p-decide)}
.prow--verify{--rc:var(--p-verify)}
.prow__k{font-family:'Space Grotesk';font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--rc)}
.prow__v{font-size:.88rem;color:#f0ece6}
.prow__v code{font-family:'Space Grotesk';background:rgba(255,255,255,.1);padding:.05rem .35rem;border-radius:4px;font-size:.82rem}
.prow__v strong{color:#fff}
.prow__v b{margin-left:.5rem;color:#fff;font-family:'Space Grotesk'}
.meter{display:inline-block;width:90px;height:7px;border-radius:5px;background:rgba(255,255,255,.14);vertical-align:middle;overflow:hidden}
.meter__fill{display:block;height:100%;background:linear-gradient(90deg,var(--p-verify),var(--amber))}
.check-ok{color:var(--p-verify);font-weight:700;margin-right:.3rem}

/* ============================================================ METRICS / YARDSTICK */
.metrics{padding:96px 0;background:var(--bg)}
.metrics .section-head em{color:var(--accent);font-style:normal;font-weight:600}
.metrics .section-head strong{color:var(--ink);font-weight:700}

.yardstick{display:grid;grid-template-columns:1fr auto 1fr;gap:1.5rem;align-items:stretch;max-width:920px;margin:0 auto 2.6rem}
.ys{position:relative;border-radius:var(--radius-lg);padding:1.8rem 1.7rem;border:1px solid var(--line);overflow:hidden}
.ys__tag{font-family:'Space Grotesk';text-transform:uppercase;letter-spacing:.14em;font-size:.7rem;font-weight:600;display:inline-block;margin-bottom:.7rem}
.ys__big{display:block;font-family:'Space Grotesk';font-size:clamp(1.5rem,3vw,2rem);font-weight:700;line-height:1;margin-bottom:.7rem;letter-spacing:-.01em}
.ys p{font-size:.92rem;color:var(--text-soft)}
.ys--old{background:var(--bg-mute);opacity:.92}
.ys--old .ys__tag{color:var(--text-soft)}
.ys--old .ys__big{color:var(--text-soft)}
.ys--new{background:linear-gradient(150deg,color-mix(in srgb,var(--terra) 16%,var(--surface-card)),var(--surface-card));border-color:color-mix(in srgb,var(--terra) 35%,var(--line));box-shadow:var(--shadow-sm)}
.ys--new .ys__tag{color:var(--accent)}
.ys--new .ys__big{color:var(--ink)}
.ys__arrow{display:grid;place-items:center;color:var(--accent)}
.ys__arrow svg{width:46px;height:24px}

.metrics__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-bottom:2.6rem}
.mcard{position:relative;background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.7rem 1.5rem;
  box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.mcard::after{content:"";position:absolute;left:1.5rem;top:1.6rem;width:10px;height:10px;border-radius:50%;background:var(--pc);box-shadow:0 0 0 5px color-mix(in srgb,var(--pc) 16%,transparent)}
.mcard[data-pillar="enrich"]{--pc:var(--p-enrich)}
.mcard[data-pillar="converge"]{--pc:var(--p-converge)}
.mcard[data-pillar="decide"]{--pc:var(--p-decide)}
.mcard[data-pillar="verify"]{--pc:var(--p-verify)}
.mcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.mcard h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-soft);padding-left:1.6rem;margin-bottom:.7rem;font-family:'Space Grotesk'}
.mcard__big{font-family:'Space Grotesk';font-size:1.32rem;font-weight:700;color:var(--pc);line-height:1.1;margin-bottom:.5rem}
.mcard p:not(.mcard__big){color:var(--text-soft);font-size:.9rem}

.insure{display:grid;grid-template-columns:auto 1fr;gap:1.6rem;align-items:center;
  background:linear-gradient(135deg,var(--terra-deep),var(--terra));color:#fff;border-radius:var(--radius-lg);padding:2rem 2.2rem;box-shadow:var(--shadow)}
.insure__icon{width:64px;height:64px;flex:none;display:grid;place-items:center;color:#fff;border-radius:16px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25)}
.insure__icon svg{width:34px;height:34px}
.insure__copy h3{color:#fff;font-size:1.4rem;margin-bottom:.4rem}
.insure__copy p{color:#dceff3}
.insure__copy strong{color:#fff;font-weight:700}

.metrics__punch{max-width:760px;margin:2.6rem auto 0;text-align:center;font-family:'Space Grotesk';font-size:1.22rem;line-height:1.5;color:var(--text)}
.metrics__punch strong{color:var(--accent);font-weight:700}

/* ============================================================ OUTCOME */
.outcome{padding:96px 0;background:var(--bg-soft)}
.outcome__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.oc{background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.9rem 1.7rem;
  border-top:4px solid var(--accent);box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.oc:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.oc h4{font-size:1.18rem;margin-bottom:.5rem}
.oc p{color:var(--text-soft);font-size:.95rem}
.outcome__quote{max-width:720px;margin:3rem auto 0;text-align:center;font-family:'Space Grotesk';font-size:1.25rem;line-height:1.5;color:var(--text)}
.outcome__quote strong{color:var(--accent);font-weight:700}

/* ============================================================ TRUST */
.trust{position:relative;padding:96px 0;background:var(--bg);overflow:hidden}
.trust__inner{display:grid;grid-template-columns:1fr .85fr;gap:3.4rem;align-items:center}
.trust__copy h2{font-size:clamp(1.9rem,3.6vw,2.5rem);margin-bottom:1.1rem}
.trust__copy p{color:var(--text-soft)}
.trust__stack{display:grid;gap:.9rem}
.tpill{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.1rem 1.3rem;border-left:4px solid var(--accent);transition:transform .3s var(--ease)}
.tpill:hover{transform:translateX(6px)}
.tpill__k{font-family:'Space Grotesk';font-weight:600;text-transform:uppercase;letter-spacing:.1em;font-size:.76rem;color:var(--accent)}
.tpill__v{font-weight:600;color:var(--ink);text-align:right}
.tpill--accent{background:linear-gradient(120deg,var(--terra-bright),var(--terra-deep));border-color:transparent;border-left-color:var(--amber);box-shadow:var(--shadow-sm)}
.tpill--accent .tpill__k{color:#dff0f4}
.tpill--accent .tpill__v{color:#fff}

/* ============================================================ SECURITY */
.secure{position:relative;padding:100px 0;color:#fff;overflow:hidden;
  background:radial-gradient(900px 520px at 85% -10%,rgba(47,124,140,.26),transparent 60%),linear-gradient(155deg,#12161a,#1b2228 60%,#1f272d)}
.secure::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 18% 60%,#000,transparent 70%);mask-image:radial-gradient(circle at 18% 60%,#000,transparent 70%)}
.secure .section-head{position:relative;z-index:1}
.secure .section-head h2{color:#fff}
.secure .section-head__sub{color:var(--text-inv-soft)}
.secure .section-head__sub strong{color:#fff}
.secure__grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,1fr);gap:1.3rem;max-width:960px;margin:0 auto}
.scard{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-lg);padding:1.9rem 1.8rem;
  transition:transform .35s var(--ease),background .35s,border-color .35s}
.scard:hover{transform:translateY(-6px);background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22)}
.scard__icon{width:52px;height:52px;display:grid;place-items:center;border-radius:13px;margin-bottom:1.1rem;color:#fff;
  background:linear-gradient(135deg,rgba(47,124,140,.5),rgba(110,139,78,.35));border:1px solid rgba(255,255,255,.18)}
.scard__icon svg{width:28px;height:28px;fill:none}
.scard h3{color:#fff;font-size:1.24rem;margin-bottom:.5rem}
.scard p{color:var(--text-inv-soft);font-size:.95rem}
.scard p strong{color:#fff;font-weight:600}
.scard p em{color:var(--terra-bright);font-style:normal;font-weight:600}
.secure__punch{position:relative;z-index:1;max-width:780px;margin:2.8rem auto 0;text-align:center;font-family:'Space Grotesk';font-size:1.2rem;line-height:1.5;color:var(--text-inv-soft)}
.secure__punch strong{color:#fff;font-weight:700}

/* ============================================================ CONTACT */
.contact{position:relative;padding:100px 0;overflow:hidden;color:#fff;
  background:radial-gradient(900px 500px at 12% 0%,rgba(47,124,140,.34),transparent 60%),linear-gradient(160deg,#161b20,#1f262d)}
.contact__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:3.4rem;align-items:start}
.contact__copy h2{color:#fff;font-size:clamp(1.9rem,4vw,2.7rem);margin-bottom:1rem}
.contact__copy p{color:var(--text-inv-soft);margin-bottom:1.4rem}
.contact__points{list-style:none;display:grid;gap:.7rem}
.contact__points li{position:relative;padding-left:1.8rem;color:#fff;font-weight:500}
.contact__points li::before{content:"✓";position:absolute;left:0;color:var(--terra-bright);font-weight:700}
.contact__form{background:var(--surface-card);border-radius:var(--radius-lg);padding:2rem;box-shadow:0 40px 80px -30px rgba(0,0,0,.5)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:.4rem}
.field input,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:.75rem .9rem;font:inherit;font-size:.95rem;color:var(--ink);
  background:var(--bg-soft);transition:border .2s,box-shadow .2s,background .2s;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:var(--surface-card);box-shadow:0 0 0 4px rgba(47,124,140,.15)}
.field input.invalid,.field textarea.invalid{border-color:#d4503e;box-shadow:0 0 0 4px rgba(212,80,62,.14)}
.form__status{margin-top:.9rem;font-size:.9rem;text-align:center;min-height:1.2em}
.form__status.ok{color:#5f8a3e;font-weight:600}
.form__status.err{color:#cf5236;font-weight:600}

/* ============================================================ FOOTER */
.footer{background:#12161a;color:var(--text-inv-soft);padding:62px 0 26px}
.brand__word--footer{margin-bottom:1.1rem}
.brand__word--footer .brand__mark{color:#fff}
.brand__word--footer .brand__tag{color:var(--text-inv-soft)}
.footer__inner{display:grid;grid-template-columns:1.3fr 2fr;gap:3rem;padding-bottom:2.4rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand p{font-size:.92rem;max-width:360px;margin-top:.4rem}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.footer__cols--lean{display:flex;flex-wrap:wrap;gap:1.4rem;align-items:center;justify-content:flex-end}
.footer__cols--lean a{display:inline-block;font-size:.95rem;font-weight:500}
.footer__cols--lean a:hover{color:#fff;padding-left:0}
.footer__cols h5{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem}
.footer__cols a{display:block;font-size:.92rem;margin-bottom:.6rem;transition:color .2s,padding .2s}
.footer__cols a:hover{color:#fff;padding-left:4px}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.6rem;font-size:.85rem}
.footer__legal a:hover{color:#fff}

/* ============================================================ THEME FADE / TOGGLE */
.theme-fade{position:fixed;inset:0;z-index:200;pointer-events:none;opacity:0;background:var(--bg);transition:opacity .28s var(--ease)}
.theme-fade.show{opacity:.7}
@media (prefers-reduced-motion:reduce){.theme-fade{display:none}}
.theme-toggle{margin-left:.2rem;width:40px;height:40px;flex:none;display:grid;place-items:center;cursor:pointer;
  border-radius:10px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;
  transition:background .25s,border-color .25s,color .25s,transform .25s var(--ease)}
.theme-toggle:hover{transform:translateY(-2px);background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.theme-toggle svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav.scrolled .theme-toggle{border-color:var(--line);background:var(--bg-mute);color:var(--ink)}
.theme-toggle__sun{display:none}
.theme-toggle__moon{display:block}
:root[data-theme="dark"] .theme-toggle__sun{display:block}
:root[data-theme="dark"] .theme-toggle__moon{display:none}

/* ============================================================ V2 REPOSITION BITS */
/* hero tagline + motto */
.hero__tagline{font-family:'Space Grotesk';font-size:clamp(1.15rem,2.4vw,1.5rem);font-weight:600;color:#fff;margin:-.4rem 0 1.1rem;letter-spacing:-.01em}
.hero__motto{font-family:'Space Grotesk';font-weight:600;letter-spacing:.01em;color:var(--terra-bright);margin:-.3rem 0 1.8rem;font-size:1rem}

/* how: five-step grid + 5th (signal) colour */
.how__grid--five{grid-template-columns:repeat(5,1fr)}
.step-card[data-pillar="signal"]{--pc:#d24b4b}

/* problem: two-up */
.problem__grid--two{grid-template-columns:repeat(2,1fr);max-width:860px;margin:0 auto}

/* flagship proof — dark section + comparison table */
.proof{position:relative;padding:100px 0;color:#fff;overflow:hidden;
  background:radial-gradient(900px 520px at 80% -10%,rgba(47,124,140,.26),transparent 60%),linear-gradient(155deg,#12161a,#1b2228 60%,#1f272d)}
.proof::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 18% 60%,#000,transparent 70%);mask-image:radial-gradient(circle at 18% 60%,#000,transparent 70%)}
.proof .section-head{position:relative;z-index:1}
.proof .section-head h2{color:#fff}
.proof .section-head__sub{color:var(--text-inv-soft)}
.ptable-wrap{position:relative;z-index:1;max-width:920px;margin:0 auto;overflow-x:auto}
.ptable{width:100%;border-collapse:collapse;font-size:.98rem;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);overflow:hidden}
.ptable th,.ptable td{padding:1rem 1.2rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}
.ptable thead th{font-family:'Space Grotesk';font-size:.82rem;letter-spacing:.04em;color:var(--text-inv-soft);font-weight:600;background:rgba(255,255,255,.04)}
.ptable thead th:nth-child(2){color:#fff}
.ptable tbody th{font-weight:500;color:var(--text-inv-soft)}
.ptable tbody tr:last-child th,.ptable tbody tr:last-child td{border-bottom:0}
.ptable .pgood{font-family:'Space Grotesk';font-weight:700;color:#fff;background:rgba(110,139,78,.14);border-left:3px solid var(--p-verify)}
.ptable .pgood small{display:block;font-size:.7rem;font-weight:500;color:var(--text-inv-soft);margin-top:.15rem}
.ptable .pbad{color:var(--text-inv-soft)}
.ptable__note{position:relative;z-index:1;max-width:920px;margin:1.1rem auto 0;font-size:.8rem;color:var(--text-inv-soft);line-height:1.5}

/* applications grid */
.apps{padding:96px 0;background:var(--bg-soft)}
.apps__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.appcard{position:relative;background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.7rem 1.6rem;
  box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.appcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.appcard h3{font-size:1.18rem;margin-bottom:.5rem}
.appcard p{color:var(--text-soft);font-size:.93rem}
.appcard--flag{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 25%,transparent),var(--shadow-sm)}
.appcard__tag{display:inline-block;font-family:'Space Grotesk';font-size:.66rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#fff;background:linear-gradient(120deg,var(--terra-bright),var(--terra-deep));padding:.22rem .55rem;border-radius:6px;margin-bottom:.8rem}

/* contact motto */
.contact__motto{font-family:'Space Grotesk';font-weight:600;color:var(--terra-bright);margin-top:1.4rem;font-size:1rem}

/* ============================================================ RESPONSIVE */
@media (max-width:980px){
  .nav__links,.nav__cta{display:none}
  .nav__toggle{display:flex;margin-left:.4rem}
  .theme-toggle{margin-left:auto}
  .nav.open .nav__links{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--surface-card);padding:.5rem 26px 1.2rem;box-shadow:var(--shadow)}
  .nav.open .nav__links a{color:var(--ink);padding:.85rem 0;border-bottom:1px solid var(--line)}
  .nav.open .nav__links a::after{display:none}
  .hero__inner,.what__inner,.output__inner,.trust__inner,.contact__inner{grid-template-columns:1fr;gap:2.6rem}
  .hero__art{order:-1}
  .helix-stage{height:300px}
  .problem__grid,.how__grid,.metrics__grid{grid-template-columns:repeat(2,1fr)}
  .how__grid--five,.apps__grid{grid-template-columns:repeat(2,1fr)}
  .secure__grid{grid-template-columns:1fr}
  .yardstick{grid-template-columns:1fr;max-width:480px}
  .ys__arrow{transform:rotate(90deg)}
  .insure{grid-template-columns:1fr;text-align:center}
  .insure__icon{margin:0 auto}
  .outcome__grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:2rem}
}
@media (max-width:560px){
  .hero{padding:128px 0 90px}
  .brand__tag{display:none}
  .problem__grid,.how__grid,.metrics__grid{grid-template-columns:1fr}
  .how__grid--five,.apps__grid,.problem__grid--two{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr}
  .footer__bottom{flex-direction:column}
  .prow{grid-template-columns:80px 1fr}
}

/* ============================================================ BLOG */
.postmain{position:relative;--heroH:clamp(220px,38vh,420px)}
/* title image sits in normal flow and scrolls up with the article (not pinned) */
.post__hero{position:relative;height:var(--heroH);overflow:hidden;background:var(--bg-soft)}
.post__hero img{width:100%;height:var(--heroH);object-fit:cover;display:block}
.post__scroll{position:relative;background:var(--bg)}
.post{max-width:760px;margin:0 auto;padding:2.6rem 0 4rem}
.post__kicker{font-family:'Space Grotesk';text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;font-weight:600;color:var(--accent);margin-bottom:.8rem}
.post__title{font-size:clamp(1.9rem,4.2vw,2.8rem);line-height:1.12;margin-bottom:.9rem}
.post__meta{color:var(--text-soft);font-size:.92rem;margin-bottom:2.2rem;padding-bottom:1.6rem;border-bottom:1px solid var(--line)}
.post__body{font-size:1.1rem;line-height:1.75;color:var(--text)}
.post__body p{margin-bottom:1.3rem}
.post__body h2{font-size:1.5rem;margin:2.6rem 0 1rem;color:var(--ink)}
.post__body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;overflow-wrap:anywhere}
.post__body a:hover{color:var(--accent-soft)}
.post__fig{margin:2.2rem 0}
.post__fig img{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.post__fig figcaption{margin-top:.7rem;font-size:.86rem;color:var(--text-soft);line-height:1.5}
.post__pager{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--line);font-family:'Space Grotesk';font-weight:600;font-size:.95rem}
.post__pager a{color:var(--accent)}
.post__pager a:hover{color:var(--accent-soft)}
.post__pager-all{color:var(--text-soft)!important}

/* blog index */
.blog-hero{position:relative;padding:150px 0 90px;color:#fff;overflow:hidden;
  background:radial-gradient(1100px 560px at 80% -8%,rgba(47,124,140,.3),transparent 60%),linear-gradient(158deg,#171c21,#1f262d 60%,#232b32)}
.blog-hero__title{font-size:clamp(2.2rem,5vw,3.4rem);color:#fff;margin:.3rem 0 1rem}
.blog-hero__sub{max-width:640px;color:var(--text-inv-soft);font-size:1.12rem}
.blog-list{padding:70px 0 90px;background:var(--bg)}
.blog-list__grid{display:grid;gap:1.6rem;max-width:900px;margin:0 auto}
.bcard{display:grid;grid-template-columns:300px 1fr;gap:0;background:var(--surface-card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease);color:inherit}
.bcard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.bcard__img{overflow:hidden}
.bcard__img img{width:100%;height:100%;min-height:200px;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.bcard:hover .bcard__img img{transform:scale(1.04)}
.bcard__body{padding:1.7rem 1.8rem}
.bcard__kicker{font-family:'Space Grotesk';text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:600;color:var(--accent);margin-bottom:.6rem}
.bcard__title{font-size:1.35rem;margin-bottom:.6rem;color:var(--ink)}
.bcard__excerpt{color:var(--text-soft);font-size:.96rem;line-height:1.6;margin-bottom:.9rem}
.bcard__read{font-family:'Space Grotesk';font-weight:600;font-size:.9rem;color:var(--accent)}

@media (max-width:760px){
  .postmain{--heroH:240px}
  .bcard{grid-template-columns:1fr}
  .bcard__img img{min-height:180px;height:200px}
}

/* ============================================================ LIGHTBOX (in-article + main-site graphics) */
.post__fig img,.packet,.ptable{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:300;
  background:rgba(9,13,18,.93);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);
  opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility .5s var(--ease);cursor:zoom-out}
.lightbox.show{opacity:1;visibility:visible}
.lightbox__node{border-radius:10px;box-shadow:0 44px 110px rgba(0,0,0,.65);will-change:transform;cursor:zoom-out;margin:0!important}
img.lightbox__node{background:#fff;object-fit:contain}
.lightbox__node:not(img){background:#141a20;overflow:auto}
.packet.lightbox__node{transform-style:flat}
@media (prefers-reduced-motion:reduce){.lightbox{transition:opacity .2s}.lightbox__node{transition:none!important}}