@font-face{font-family:Inter;src:url("assets/fonts/InterVariable.woff2") format("woff2");font-style:normal;font-weight:100 900;font-display:swap}
:root{color-scheme:light;--ink:var(--sumkeel-text);--muted:color-mix(in srgb,var(--sumkeel-primary-navy) 75%,var(--sumkeel-white));--accent:var(--sumkeel-teal-accent);--line:var(--sumkeel-border);--tint:var(--sumkeel-background);--white:var(--sumkeel-white)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:1.5rem}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sumkeel-font-family);font-size:1rem;line-height:1.65}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.15;letter-spacing:-.035em;text-wrap:balance}
h1{font-size:clamp(2.5rem,4.5vw,4.5rem);font-weight:700;max-width:1000px;margin:1.25rem auto 1.5rem}
h2{font-size:clamp(2rem,3vw,2.8rem);font-weight:650}
h3{font-size:1.5rem;font-weight:650}
p{overflow-wrap:break-word}
a{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--ink);outline-offset:5px}
.container{width:min(1160px,calc(100% - 64px));margin-inline:auto}
.section{padding-block:88px}
.site-header{border-bottom:1px solid var(--line)}
.nav{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:block;width:200px;max-width:100%;height:auto;flex-shrink:0}
.button{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:13px 25px;background:var(--ink);color:white;border:1px solid var(--ink);border-radius:7px;text-decoration:none;font-weight:650;line-height:1.4;text-align:center}
.button:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.button-small{min-height:44px;padding:10px 18px;font-size:.9375rem}
.hero{text-align:center;padding-block:44px 48px}
.eyebrow,.step-label{font-size:.8125rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--ink)}
.lead{max-width:750px;margin:0 auto 28px;font-size:1.25rem;color:var(--muted)}
.hero-note{margin-top:18px;color:var(--muted);font-size:.875rem}
.problem,.benefits,.signup{background:var(--tint);border-block:1px solid var(--line)}
.problem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:36px 0 22px}
.problem-grid p{border-top:1px solid var(--line);padding-top:20px;font-size:1.125rem}
.step-label{display:block;margin-bottom:12px}
.muted{color:var(--muted)}
.problem-effect{margin-top:12px}
.problem-summary{max-width:810px;margin-top:20px;font-size:1.25rem}
.section-heading{margin-bottom:52px}
.section-heading h2{margin:12px 0 16px}
.product-step+.product-step{margin-top:80px;padding-top:64px;border-top:1px solid var(--line)}
.step-copy{display:flex;gap:24px;align-items:flex-start;max-width:850px;margin-bottom:24px}
.step-number{flex:none;color:var(--ink);background:var(--white);border:1px solid var(--accent);width:48px;height:48px;display:grid;place-items:center;border-radius:50%;font-weight:650}
.step-copy h3{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px}
.step-copy p,.step-details{color:var(--muted)}
.step-details{margin:0 0 28px 72px}
.step-details ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 36px;max-width:780px;margin:12px 0 16px;padding-left:20px}
figure{padding:10px;background:var(--tint);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 36px #0f172a08}
figure img{display:block;width:100%;height:auto;border-radius:5px}
.control-note{margin-top:22px;border-left:3px solid var(--accent);padding-left:18px}
.benefits-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:40px}
.benefits-grid article{border-top:2px solid var(--accent);padding-top:22px}
.benefits-grid h3{font-size:1.25rem;line-height:1.3;margin-bottom:12px}
.benefits-grid p{color:var(--muted)}
.pilot{display:grid;grid-template-columns:1fr 1.2fr;gap:72px}
.pilot h2{margin-top:14px}
.pilot-copy p+p{margin-top:18px}
.pilot-copy .button{margin-top:28px}
.signup-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.signup h2{margin:14px 0 24px}
.signup p+p{margin-top:18px}
.signup-note{font-size:.875rem;color:var(--muted)}
.form-slot{min-width:0}
.pilot-form,.form-success{padding:32px;background:white;border:1px solid var(--line);border-radius:10px}
.field{margin-bottom:20px}
.field label{display:block;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{display:block;width:100%;min-width:0;min-height:48px;padding:11px 12px;border:1px solid var(--muted);border-radius:5px;background:white;color:var(--ink);font:inherit;line-height:1.4}
.field textarea{resize:vertical}
.pilot-form .button{width:100%;font:inherit;font-weight:650;cursor:pointer}
.button:disabled{background:var(--line);color:var(--muted);border-color:var(--line);cursor:not-allowed}
.form-status{margin-top:16px;font-size:.875rem}
.form-status:empty{display:none}
.form-status[data-error]{color:#a52424}
.form-success{border-top:3px solid var(--accent)}
.form-success p{margin-top:16px}
[hidden]{display:none!important}
.footer{display:flex;justify-content:space-between;align-items:center;gap:32px;padding-block:36px}
.footer p{font-size:.875rem;color:var(--muted);margin-top:8px}
.copyright{flex-shrink:0}
.skip-link{position:absolute;top:8px;left:16px;padding:12px;background:white;z-index:2;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
@media(max-width:1024px){.benefits-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pilot,.signup-grid{gap:40px}}
@media(max-width:768px){.container{width:calc(100% - 40px)}.section{padding-block:60px}.hero{padding-block:40px}.nav{min-height:76px}.problem-grid,.pilot,.signup-grid{grid-template-columns:1fr}.problem-grid{gap:20px}.benefits-grid{gap:28px}.step-details{margin-left:0}.product-step+.product-step{margin-top:52px;padding-top:44px}.footer{align-items:flex-start;flex-direction:column;gap:12px}.step-copy{gap:16px}.section-heading{margin-bottom:36px}}
@media(max-width:480px){.container{width:calc(100% - 32px)}.nav .brand{width:136px}.nav{gap:8px}.button-small{font-size:.75rem;padding:10px 8px}.hero{padding-block:36px 40px}.lead{font-size:1.125rem}.hero .button{width:100%}.benefits-grid,.step-details ul{grid-template-columns:1fr}.step-number{width:38px;height:38px;font-size:.875rem}.pilot-form,.form-success{padding:22px}figure{padding:4px;border-radius:7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Landing refinement: lightweight motion, generous rhythm, clear product story. */
html{scroll-padding-top:110px}
.site-header{position:sticky;top:0;z-index:10;background:#fffffff5}
.nav{min-height:82px}.nav-links{display:flex;gap:32px;margin-left:auto;margin-right:24px}
.nav-links a{text-decoration:none;font-size:.875rem;color:var(--muted)}
.nav-links a:hover{color:#087e78}
.hero{padding-block:76px 44px}
.hero>.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid #cceae7;border-radius:99px;background:#f0faf9;color:#08756f}
.hero>.eyebrow:before{content:'';width:6px;height:6px;border-radius:50%;background:#0d9488}
h1{max-width:980px;font-size:clamp(2.5rem,4.6vw,4.25rem);line-height:1.09;letter-spacing:-.055em;margin:24px auto}
h1 span{color:#087e78}.lead{max-width:720px;line-height:1.7;font-size:1.125rem}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.button{border-radius:9px;gap:20px;transition:background .18s,color .18s,box-shadow .18s,transform .18s}
.button-secondary{background:white;color:var(--ink);border-color:var(--line)}
.button:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 6px 18px #0f172a12}
.hero-note{margin-top:20px}
.hero-preview{max-width:1000px;margin:48px auto 0;padding:10px 10px 0;border-radius:18px;box-shadow:0 24px 70px #0f172a12}
.hero-preview figcaption{font-size:.75rem;color:var(--muted);padding:12px}
.hero-points{list-style:none;display:flex;justify-content:center;gap:32px;padding:0;margin:30px 0 0;font-size:.8125rem;color:var(--muted)}
.hero-points li:before{content:'✓';color:#087e78;margin-right:8px}
.section{padding-block:104px}
.problem-grid{gap:20px}.problem-grid p{padding:26px;background:white;border:1px solid var(--line);border-radius:12px}
.step-label{color:#087e78}.problem-summary{margin-top:24px}
.section-heading{max-width:680px;margin-bottom:64px}
.product-step{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);column-gap:40px;align-items:start}
.step-copy{grid-column:1;display:block;margin:0 0 20px}.step-number{margin-bottom:22px;border-radius:12px;background:#effaf8;border-color:#d4eee9;color:#08756f}
.step-copy h3{font-size:clamp(1.5rem,2.2vw,1.9rem);line-height:1.23}
.step-details{grid-column:1;margin:0;font-size:.9375rem}.step-details ul{gap:5px 18px}
.product-step>figure{grid-column:2;grid-row:1 / span 3;align-self:center;padding:6px;border-radius:12px}
.product-step+.product-step{margin-top:80px;padding-top:80px}
.control-note{grid-column:1 / -1;font-size:.875rem;margin-top:26px;background:#f0faf9;padding:16px 20px;border-radius:0 8px 8px 0}
.benefits-grid{gap:16px}.benefits-grid article{background:white;padding:26px 22px;border:1px solid var(--line);border-radius:12px;transition:transform .2s,box-shadow .2s}
.benefits-grid article:before{content:'';display:block;width:28px;height:3px;background:var(--accent);margin-bottom:24px}
.benefits-grid h3{font-size:1.125rem}.benefits-grid p{font-size:.9375rem}
.signup-grid{align-items:start}.signup-grid>div:first-child{padding-top:24px}
.pilot-form,.form-success{padding:36px;border-radius:16px;box-shadow:0 16px 48px #0f172a06}
.field label{font-size:.875rem}.field input,.field select,.field textarea{border-color:#cbd5e1;border-radius:7px}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#64748b}
.footer{padding-block:48px}
.reveal-ready{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal-ready.is-visible{opacity:1;transform:none}
@media(hover:hover){.benefits-grid article:hover{transform:translateY(-4px);box-shadow:0 12px 30px #0f172a09}}
@media(min-width:1200px){.product-step>figure{margin-top:8px}}
@media(max-width:900px){.product-step{grid-template-columns:1fr}.product-step>figure{grid-column:1;grid-row:auto;margin-top:28px}.step-copy{max-width:680px}.step-details{max-width:680px}.nav-links{gap:20px;margin-right:8px}.hero-points{gap:16px}}
@media(max-width:768px){.section{padding-block:68px}.hero{padding-top:48px}.nav-links{display:none}.hero-preview{margin-top:36px}.hero-points{flex-wrap:wrap;gap:10px 22px}.product-step+.product-step{margin-top:48px;padding-top:48px}.section-heading{margin-bottom:40px}.signup-grid>div:first-child{padding-top:0}}
@media(max-width:480px){.hero{padding-top:36px}.hero-actions{flex-direction:column}.hero-preview{padding:3px 3px 0;border-radius:9px}.hero-preview figcaption{font-size:.6875rem;padding:9px}.hero-points{display:grid;text-align:left;gap:8px}.pilot-form,.form-success{padding:22px}.nav{min-height:72px}.section{padding-block:56px}.step-details ul{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{margin-bottom:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.reveal-ready{opacity:1;transform:none}}