:root{
  --navy:#0A1B5E; --navy-900:#070F3A; --blue:#1456F5; --blue-hi:#3B79FF; --blue-hover:#0E40C4;
  --blue-50:#EEF3FF; --bg:#FFFFFF; --bg-alt:#F5F7FB; --heading:#0A1B5E;
  --body:#39425A; --muted:#5A6478; --on-dark:#FFFFFF; --on-dark-muted:#AFBBE0;
  --border:#E6EAF3; --line-dark:rgba(255,255,255,.12);
  --radius:14px; --radius-lg:22px; --pill:999px;
  --shadow:0 10px 40px rgba(10,27,94,.10); --shadow-lg:0 30px 70px rgba(10,27,94,.16);
  --maxw:1180px; --ease:cubic-bezier(.22,1,.36,1);
  --display:'Sora',system-ui,sans-serif; --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-snap-type:y proximity;background:var(--navy-900)}
body{font-family:var(--sans);color:var(--body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:var(--display);color:var(--heading);line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:16px}
h3{font-size:1.25rem;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}
.hl{color:#fff;background:var(--blue);padding:.04em .2em;border-radius:8px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
@keyframes spin{to{transform:rotate(360deg)}}

/* full-height sections */
section{min-height:100vh;display:flex;align-items:center;padding:118px 0 80px;scroll-snap-align:start;position:relative;overflow:hidden}
.dark{background:var(--navy);color:var(--on-dark)}
.dark h2,.dark h3{color:#fff}
.alt{background:var(--bg-alt)}
.light{background:var(--bg)}
.eyebrow{font-family:var(--sans);font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-hi)}
.dark .eyebrow{color:#fff}
.lead{font-size:1.18rem;color:var(--muted)}
.dark .lead{color:var(--on-dark-muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:1rem;border-radius:var(--radius);
  padding:15px 26px;min-height:52px;cursor:pointer;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s,background .2s}
.btn-primary{background:var(--blue);color:#fff;font-weight:700;box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 10px 26px rgba(20,86,245,.45),0 2px 6px rgba(20,86,245,.3)}
.btn-primary::after{content:"\2192";font-weight:700;display:inline-block;transition:transform .25s var(--ease)}
.btn-primary:hover{background:var(--blue-hover);transform:translateY(-3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 18px 44px rgba(20,86,245,.62),0 4px 10px rgba(20,86,245,.4)}
.btn-primary:hover::after{transform:translateX(5px)}
.btn-primary:active{transform:translateY(-1px)}
@keyframes ctaGlow{0%,100%{box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 10px 26px rgba(20,86,245,.45)}50%{box-shadow:inset 0 1px 0 rgba(255,255,255,.32),0 16px 42px rgba(59,121,255,.72)}}
.hero-cta .btn-primary{animation:ctaGlow 3s ease-in-out infinite}
.hero-cta .btn-primary:hover{animation:none}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:#fff;transform:translateY(-2px)}

/* ===== NAV ===== */
nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s var(--ease)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:800;font-size:1.18rem;color:#fff;letter-spacing:-.01em;transition:.3s}
.brand img{height:32px;width:auto;filter:brightness(0) invert(1)}
.links{display:flex;align-items:center;gap:34px}
.links a{position:relative;color:rgba(255,255,255,.82);font-weight:500;font-size:.95rem;transition:.2s}
.links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--blue-hi);transition:width .25s var(--ease)}
.links a:hover{color:#fff}.links a:hover::after{width:100%}
nav .btn{min-height:44px;padding:11px 20px;font-size:.93rem}
nav.scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--border),0 6px 24px rgba(10,27,94,.06)}
nav.scrolled .brand{color:var(--navy)}
nav.scrolled .brand img{filter:none}
nav.scrolled .links a{color:var(--body)}
nav.scrolled .links a:hover{color:var(--blue)}
.lbl-short{display:none}

/* ===== HERO ===== */
.hero{background-color:var(--navy-900);background-image:url('/assets/hero-neptune.png');background-size:cover;background-position:center;background-repeat:no-repeat;color:#fff;position:relative}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero::before{content:"";position:absolute;inset:0;background:rgba(7,15,58,.42);z-index:1}
.hero .wrap{position:relative;z-index:2}
.hero-copy{position:relative;max-width:660px}
.hero h1{color:#fff;font-size:clamp(2.5rem,5vw,3.9rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:30px}
.hero .sub{font-size:1.2rem;line-height:1.75;color:var(--on-dark-muted);max-width:40ch;margin-bottom:38px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

/* reveal */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.18s}.d3{transition-delay:.28s}.d4{transition-delay:.38s}.d5{transition-delay:.48s}

/* ===== FOUNDER NOTE ===== */
.note-sec{background:var(--bg)}
.note-sec .wrap{max-width:780px;text-align:center}
.note-statement{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3.2vw,2.15rem);color:var(--heading);line-height:1.34;letter-spacing:-.02em;margin:18px 0 32px}
.note-statement b{color:var(--blue)}
.note-rule{width:46px;height:3px;background:var(--blue);border-radius:2px;margin:0 auto 18px}
.note-sign{font-family:'Caveat',cursive;font-weight:700;font-size:2.7rem;color:var(--blue);line-height:1}
.note-role{color:var(--muted);font-size:.95rem;margin-top:4px}

/* ===== PROBLEM ===== */
.prob-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:54px;align-items:center;width:100%}
.leak{list-style:none;display:flex;flex-direction:column;gap:14px}
.leak li{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  border-radius:var(--radius);padding:18px 20px;font-size:1.04rem;color:#eaeefb}
.leak li .dot{flex:none;width:10px;height:10px;border-radius:50%;background:#FF6B6B;box-shadow:0 0 12px #FF6B6B;animation:blink 1.8s ease-in-out infinite}
.leak li:nth-child(2) .dot{animation-delay:.4s}.leak li:nth-child(3) .dot{animation-delay:.8s}.leak li:nth-child(4) .dot{animation-delay:1.2s}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.meter{text-align:center}
.meter .n{font-family:var(--display);font-weight:800;font-size:clamp(3rem,6vw,4.6rem);color:#fff;letter-spacing:-.03em}
.meter .cap{color:var(--on-dark-muted);font-size:1.05rem;margin-top:6px}

/* ===== PROCESS (what I do) ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;width:100%;margin-top:52px}
.step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:50px 30px 34px;box-shadow:var(--shadow);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step .node{position:absolute;top:-26px;left:30px;width:58px;height:58px;border-radius:16px;background:var(--blue);color:#fff;
  font-family:var(--display);font-weight:800;font-size:1.35rem;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(20,86,245,.4)}
.step h3{margin:4px 0 10px}
.step p{color:var(--muted)}

/* ===== EXAMPLES ===== */
.marquee{overflow:hidden;width:100%;margin-bottom:40px}
.track{display:flex;gap:16px;width:max-content;animation:scrollx 26s linear infinite}
.track .tk{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);color:#cfd9ff;font-weight:600;padding:12px 22px;border-radius:var(--pill);white-space:nowrap}
@keyframes scrollx{to{transform:translateX(-50%)}}
.exlist{max-width:840px;margin:0 auto}
.exrow{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line-dark)}
.exrow svg{flex:none;margin-top:2px}.exrow b{color:#fff}.exrow p{color:var(--on-dark-muted)}

/* ===== MATH ===== */
.math-wrap{text-align:center;width:100%}
.math-num{font-family:var(--display);font-weight:800;font-size:clamp(4rem,12vw,9rem);line-height:1;letter-spacing:-.04em;color:var(--blue)}
.math-wrap p{max-width:60ch;margin:22px auto 0;font-size:1.15rem;color:var(--muted)}

/* ===== WHY ===== */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;width:100%}
.why-card{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:34px;transition:.3s var(--ease)}
.why-card:hover{transform:translateY(-6px);border-color:rgba(120,150,255,.5);background:rgba(255,255,255,.07)}
.why-card .k{font-family:var(--display);font-weight:800;font-size:1.1rem;color:#fff;margin-bottom:10px}
.why-card p{color:var(--on-dark-muted)}

/* ===== FAQ ===== */
.faq-wrap{max-width:780px;margin:0 auto;width:100%}
details{border-bottom:1px solid var(--border);padding:24px 4px}
summary{font-family:var(--display);font-weight:700;color:var(--navy);cursor:pointer;list-style:none;font-size:1.12rem;display:flex;justify-content:space-between;gap:18px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--blue);font-weight:700;font-size:1.6rem;line-height:1;transition:.3s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:14px;color:var(--body);max-width:64ch}

/* ===== FINAL CTA ===== */
.final{background:var(--navy-900);color:#fff;position:relative;overflow:hidden}
.final .wrap{position:relative;z-index:2;display:flex;justify-content:center}
.cta-panel{position:relative;max-width:780px;width:100%;text-align:center;background:var(--navy);
  border:1px solid rgba(120,150,255,.22);border-radius:28px;padding:66px 56px;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.cta-panel h2{font-size:clamp(2.2rem,4.6vw,3.2rem);color:#fff;margin-bottom:16px}
.cta-panel p{color:var(--on-dark-muted);font-size:1.16rem;max-width:48ch;margin:0 auto 34px}
.cta-btn{font-size:1.08rem;padding:18px 34px}
.cta-deco{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}
.cta-deco span{position:absolute}
.ring-a,.ring-b{border-radius:50%}
.ring-a{width:440px;height:440px;border:1.5px solid rgba(120,150,255,.16);top:-150px;right:-130px;animation:spin 34s linear infinite}
.ring-b{width:300px;height:300px;border:1.5px solid rgba(120,150,255,.13);bottom:-120px;left:-90px;animation:spin 26s linear infinite reverse}
.dot-a,.dot-b{border-radius:50%}
.dot-a{width:14px;height:14px;background:var(--blue);box-shadow:0 0 18px var(--blue);top:24%;left:15%;animation:floaty 6s var(--ease) infinite}
.dot-b{width:10px;height:10px;background:var(--blue-hi);box-shadow:0 0 18px var(--blue-hi);bottom:26%;right:16%;animation:floaty 7s var(--ease) infinite .6s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

footer{min-height:auto;background:var(--navy-900);color:var(--on-dark-muted);padding:40px 0;scroll-snap-align:none;display:block}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:.92rem}
.foot a{color:var(--on-dark-muted)}.foot a:hover{color:#fff}
.foot .brand{font-size:1.05rem}.foot .brand img{height:24px}

/* ===== MOBILE ===== */
@media(max-width:900px){
  section{padding:104px 0 64px;min-height:100vh}
  .links{display:none}
  nav .btn{padding:9px 15px;font-size:.86rem}.lbl-full{display:none}.lbl-short{display:inline}
  nav.scrolled .brand{color:var(--navy)}
  .hero .wrap{grid-template-columns:1fr;gap:10px}
  .hero .sub{max-width:none}
  .note-sec .wrap{padding-left:24px;padding-right:24px}
  .prob-grid,.steps,.why-grid{grid-template-columns:1fr;gap:22px}
  .steps{gap:42px;margin-top:42px}
  .meter{margin-top:8px}
  .cta-panel{padding:44px 26px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important}.js .reveal{opacity:1;transform:none}}

/* =========================================================
   ASSESSMENT PAGE (/assessment.html)
   ========================================================= */
body.form-page{background:var(--bg-alt)}
body.form-page nav{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--border)}
body.form-page .brand{color:var(--navy)}
body.form-page .brand img{filter:none}
.back{color:var(--body);font-weight:500;font-size:.95rem;display:inline-flex;align-items:center;gap:7px;transition:.2s}
.back:hover{color:var(--blue)}

.form-main{padding:128px 0 80px}
.form-main .wrap{max-width:720px}
.form-head{text-align:center;max-width:600px;margin:0 auto 36px}
.form-head h1{font-size:clamp(2rem,4.4vw,2.8rem);font-weight:800;margin-bottom:14px;color:var(--heading)}
.form-head p{color:var(--muted);font-size:1.12rem}

.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:40px 38px}
.field{margin-bottom:22px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field label{display:block;font-weight:600;color:var(--navy);margin-bottom:8px;font-size:.96rem}
.field label .opt{color:var(--muted);font-weight:400;font-size:.85rem}
.hint{color:var(--muted);font-size:.85rem;margin-top:6px}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);
  font-family:inherit;font-size:16px;color:var(--body);background:#fff;transition:border-color .15s,box-shadow .15s}
.field input::placeholder,.field textarea::placeholder{color:#9aa3b5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,86,245,.15)}
.field textarea{min-height:118px;resize:vertical;line-height:1.55}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6478' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip-opt{display:inline-flex;align-items:center;cursor:pointer;padding:11px 17px;border:1px solid var(--border);border-radius:var(--pill);
  font-weight:500;font-size:.94rem;color:var(--body);background:#fff;transition:.15s;user-select:none}
.chip-opt input{display:none}
.chip-opt:hover{border-color:#b9c6ef}
.chip-opt:has(input:checked){background:var(--blue-50);border-color:var(--blue);color:var(--blue);font-weight:600}
.err{color:#D14343;font-size:.85rem;margin-top:8px;display:none}
.err.show{display:block}
.submit-wrap{margin-top:30px}
.submit-wrap .btn{width:100%;justify-content:center}
.submit-wrap .btn[disabled]{opacity:.75;cursor:not-allowed;transform:none}
.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}
.submit-wrap .btn.loading .spinner{display:inline-block}
.submit-wrap .btn.loading::after{display:none}
.reassure{text-align:center;color:var(--muted);font-size:.9rem;margin-top:14px}
.success{display:none;text-align:center;padding:20px 10px}
.success .tick{width:74px;height:74px;border-radius:50%;background:var(--blue-50);display:flex;align-items:center;justify-content:center;margin:0 auto 22px}
.success h2{font-size:1.7rem;margin-bottom:12px;color:var(--heading)}
.success p{color:var(--muted);font-size:1.08rem;max-width:42ch;margin:0 auto 26px}
.success .btn{display:inline-flex;width:auto;justify-content:center}

@media(max-width:680px){
  .form-main{padding:104px 0 56px}
  .card{padding:30px 22px}
  .frow{grid-template-columns:1fr;gap:0}
}