/* ===========================================================================
   NAUTICORE — public marketing site
   Deliberately single-theme (light page, navy hero), like the app's own shell.
   Assets live under /assets/* so nothing collides with the app's /css and /lib.
   =========================================================================== */

@font-face{font-family:'Crimson Pro';font-weight:600;font-style:normal;font-display:swap;src:url(fonts/crimson-600.woff2) format('woff2');}
@font-face{font-family:'Crimson Pro';font-weight:700;font-style:normal;font-display:swap;src:url(fonts/crimson-700.woff2) format('woff2');}
@font-face{font-family:'DM Sans';font-weight:400;font-style:normal;font-display:swap;src:url(fonts/dmsans-400.woff2) format('woff2');}
@font-face{font-family:'DM Sans';font-weight:500;font-style:normal;font-display:swap;src:url(fonts/dmsans-500.woff2) format('woff2');}
@font-face{font-family:'DM Sans';font-weight:700;font-style:normal;font-display:swap;src:url(fonts/dmsans-700.woff2) format('woff2');}
@font-face{font-family:'JetBrains Mono';font-weight:500;font-style:normal;font-display:swap;src:url(fonts/jbmono-500.woff2) format('woff2');}

:root{
  --ocean:#0A2540;
  --ocean-700:#123453;
  --ocean-900:#06182B;
  --cyan:#00B4D8;
  --cyan-600:#0093B4;
  --cyan-50:#E9F6FB;
  --page:#F5F8FB;
  --surface:#FFFFFF;
  --surface-2:#EDF3F8;
  --ink:#0A2540;
  --ink-2:#3F5C79;
  --muted:#6C879F;
  --border:#D7E3EE;
  --border-soft:#E7EEF5;
  --on-ocean:#E9F2FA;
  --on-ocean-dim:#9CB6CE;
  --moss:#06A77D;
  --hero:radial-gradient(125% 120% at 80% 4%, #17456F 0%, #0A2540 48%, #06182B 100%);
  --shadow:0 26px 60px -32px rgba(6,24,45,.5), 0 8px 20px -14px rgba(6,24,45,.3);
  --maxw:1160px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{animation:none!important;transition:none!important;}}
body{
  margin:0;background:var(--page);color:var(--ink);
  font-family:'DM Sans',system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{font-family:'Crimson Pro',Georgia,serif;font-weight:700;line-height:1.05;letter-spacing:-.014em;margin:0;text-wrap:balance;}
p{margin:0;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px;}
.mono{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}

/* ---------- eyebrow with a horizon hairline ---------- */
.eyebrow{
  font-family:'JetBrains Mono',monospace;font-weight:500;font-size:11.5px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-600);
  display:flex;align-items:center;gap:14px;margin:0 0 18px;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--border);max-width:180px;}
.band .eyebrow{color:var(--cyan);}
.band .eyebrow::after{background:rgba(156,182,206,.28);}
.center .eyebrow{justify-content:center;}
.center .eyebrow::after{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:'DM Sans',sans-serif;
  font-weight:700;font-size:15.5px;border-radius:10px;padding:13px 22px;cursor:pointer;
  border:1px solid transparent;transition:transform .15s,background .15s,border-color .15s;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex:0 0 auto;}
.btn-primary{background:var(--cyan);color:#04212F;box-shadow:0 10px 24px -12px rgba(0,180,216,.75);}
.btn-primary:hover{background:#28C3E4;transform:translateY(-1px);}
.btn-ghost{border-color:var(--border);color:var(--ink);background:var(--surface);}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-600);}
.btn-onocean{background:rgba(233,242,250,.1);color:var(--on-ocean);border-color:rgba(156,182,206,.32);font-weight:500;}
.btn-onocean:hover{background:rgba(233,242,250,.18);}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(10,37,64,.86);backdrop-filter:saturate(1.5) blur(14px);border-bottom:1px solid rgba(156,182,206,.16);}
.nav .wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--on-ocean);}
.brand .mark{width:32px;height:32px;color:var(--cyan);flex:0 0 auto;}
.brand b{font-weight:700;font-size:18px;letter-spacing:.02em;line-height:1;color:#fff;}
.brand small{display:block;font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.24em;color:var(--on-ocean-dim);margin-top:3px;}
.navlinks{display:flex;gap:28px;margin-left:auto;font-size:15px;color:var(--on-ocean-dim);}
.navlinks a:hover{color:#fff;}
.navcta{display:flex;align-items:center;gap:12px;}
.navcta .login{font-size:15px;color:var(--on-ocean-dim);}
.navcta .login:hover{color:#fff;}
@media(max-width:900px){.navlinks{display:none;}}
@media(max-width:520px){.navcta .login{display:none;}}

/* ---------- hero ---------- */
.hero{background:var(--hero);color:var(--on-ocean);position:relative;overflow:hidden;padding:92px 0 0;}
.hero .grid-bg{position:absolute;inset:0;opacity:.55;pointer-events:none;
  background-image:linear-gradient(rgba(202,233,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(202,233,255,.05) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(120% 85% at 50% 0%,#000 38%,transparent 76%);}
.hero .rose{position:absolute;right:-170px;top:-140px;width:620px;height:620px;color:rgba(0,180,216,.09);pointer-events:none;}
.hero .wrap{position:relative;z-index:2;}
.hero .eyebrow{color:var(--cyan);}
.hero .eyebrow::after{background:rgba(156,182,206,.25);}
.hero h1{font-size:clamp(42px,6.6vw,78px);color:#fff;max-width:15ch;}
.hero h1 em{font-style:normal;color:var(--cyan);}
.hero .sub{font-size:clamp(17px,2vw,21px);color:var(--on-ocean-dim);max-width:56ch;margin-top:24px;line-height:1.55;}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;}
.hero .proof{display:flex;flex-wrap:wrap;gap:10px 32px;margin-top:44px;padding-top:22px;border-top:1px solid rgba(156,182,206,.2);
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.06em;color:var(--on-ocean-dim);}
.hero .proof b{color:#fff;font-weight:500;}
.hero-shot{position:relative;z-index:2;margin:58px auto -110px;max-width:1080px;padding:0 26px;}

/* ---------- screenshot frame (no fake browser chrome) ---------- */
.shot{border-radius:14px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow);border:1px solid rgba(215,227,238,.9);}
.band .shot{border-color:rgba(156,182,206,.22);}
.shot img{width:100%;}
.shot-cap{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:11px 16px;border-top:1px solid var(--border-soft);background:var(--surface-2);}
.band .shot-cap{background:rgba(255,255,255,.05);color:var(--on-ocean-dim);border-top-color:rgba(156,182,206,.18);}

/* ---------- sections ---------- */
.section{padding:104px 0;}
.section-tight{padding:72px 0;}
.band{background:var(--hero);color:var(--on-ocean);position:relative;overflow:hidden;}
.band h2,.band h3{color:#fff;}
.band .lead{color:var(--on-ocean-dim);}
.kicker{max-width:64ch;}
.kicker h2{font-size:clamp(30px,4.1vw,48px);}
.lead{font-size:19px;color:var(--ink-2);max-width:60ch;margin-top:20px;line-height:1.58;}
.center{text-align:center;margin-left:auto;margin-right:auto;}
.center .lead{margin-left:auto;margin-right:auto;}

/* ---------- problem cards ---------- */
.probs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:52px;}
.prob{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px 26px;}
.prob .n{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.14em;color:var(--cyan-600);}
.prob h3{font-family:'DM Sans',sans-serif;font-weight:700;font-size:18px;line-height:1.3;margin-top:12px;letter-spacing:0;}
.prob p{font-size:15.5px;color:var(--ink-2);margin-top:10px;line-height:1.55;}

/* ---------- feature rows ---------- */
.frow{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center;margin-top:88px;}
.frow:first-of-type{margin-top:56px;}
.frow.flip .ftext{order:2;}
.ftag{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-600);}
.band .ftag{color:var(--cyan);}
.frow h3{font-size:clamp(25px,3.1vw,36px);margin-top:14px;}
/* .fdesc is also used outside .frow (the receipt block), so it carries its own spacing. */
.fdesc{color:var(--ink-2);font-size:17px;margin-top:18px;line-height:1.6;max-width:62ch;}
.band .fdesc{color:var(--on-ocean-dim);}
.flist{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:12px;}
.flist li{display:flex;gap:12px;font-size:16px;align-items:flex-start;line-height:1.5;}
.flist svg{width:19px;height:19px;color:var(--moss);flex:0 0 auto;margin-top:3px;}
.band .flist svg{color:var(--cyan);}
@media(max-width:880px){.frow{grid-template-columns:1fr;gap:30px;margin-top:64px;}.frow.flip .ftext{order:0;}}

/* ---------- the receipt moment ---------- */
.ocr{display:grid;grid-template-columns:.26fr 1fr;gap:24px;align-items:start;margin-top:44px;}
.ocr .paper{border-radius:12px;overflow:hidden;border:1px solid rgba(156,182,206,.22);box-shadow:var(--shadow);background:var(--surface);}
@media(max-width:880px){.ocr{grid-template-columns:1fr;}.ocr .paper{max-width:250px;}}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:rgba(156,182,206,.2);border:1px solid rgba(156,182,206,.2);border-radius:12px;overflow:hidden;margin-top:44px;}
.step{background:var(--ocean-700);padding:22px 20px;}
.step .n{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--cyan);letter-spacing:.1em;}
.step h4{font-family:'DM Sans',sans-serif;font-weight:700;font-size:16px;margin:10px 0 0;color:#fff;}
.step p{font-size:14.5px;color:var(--on-ocean-dim);margin-top:7px;line-height:1.5;}

/* ---------- mini cards ---------- */
.minis{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;margin-top:52px;}
.mini{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s;}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--cyan);}
.mini .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);border-bottom:1px solid var(--border-soft);}
.mini .thumb img{width:100%;height:100%;object-fit:cover;object-position:top left;}
.mini .body{padding:20px 22px 24px;}
.mini h3{font-family:'DM Sans',sans-serif;font-weight:700;font-size:17px;letter-spacing:0;}
.mini p{font-size:15px;color:var(--ink-2);margin-top:8px;line-height:1.5;}

/* ---------- trust grid ---------- */
.trust{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--border-soft);border:1px solid var(--border-soft);border-radius:14px;overflow:hidden;margin-top:52px;}
.trust div{background:var(--surface);padding:26px 24px;}
.trust .k{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-600);}
.trust h3{font-family:'DM Sans',sans-serif;font-weight:700;font-size:17px;margin-top:10px;letter-spacing:0;}
.trust p{font-size:15px;color:var(--ink-2);margin-top:8px;line-height:1.5;}

/* ---------- pricing teaser ---------- */
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:52px;}
.tier{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 28px;display:flex;flex-direction:column;}
.tier.feat{border:2px solid var(--cyan);position:relative;}
.tier .badge{position:absolute;top:-12px;left:28px;background:var(--cyan);color:#04212F;font-family:'JetBrains Mono',monospace;font-weight:500;font-size:11px;letter-spacing:.1em;padding:5px 13px;border-radius:20px;}
.tier .name{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-600);}
.tier h3{font-size:28px;margin-top:12px;}
.tier .who{font-size:15px;color:var(--ink-2);margin-top:10px;min-height:48px;line-height:1.5;}
.tier ul{list-style:none;padding:0;margin:20px 0 26px;display:flex;flex-direction:column;gap:11px;flex:1;}
.tier li{display:flex;gap:11px;font-size:15.5px;align-items:flex-start;line-height:1.45;}
.tier li svg{width:18px;height:18px;color:var(--cyan-600);flex:0 0 auto;margin-top:2px;}

/* ---------- faq ---------- */
.faq{margin-top:48px;border-top:1px solid var(--border);}
.faq details{border-bottom:1px solid var(--border-soft);}
.faq summary{
  list-style:none;cursor:pointer;padding:24px 44px 24px 0;position:relative;
  font-weight:700;font-size:18px;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"";position:absolute;right:8px;top:32px;width:11px;height:11px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .18s;
}
.faq details[open] summary::after{transform:rotate(225deg);top:36px;}
.faq summary:hover{color:var(--cyan-600);}
.faq .a{padding:0 44px 26px 0;font-size:16px;color:var(--ink-2);line-height:1.62;max-width:74ch;}
.faq .a p+p{margin-top:14px;}

/* ---------- signup / cta ---------- */
.cta-band{background:var(--hero);color:var(--on-ocean);text-align:center;position:relative;overflow:hidden;}
.cta-band .rose{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:700px;height:700px;color:rgba(0,180,216,.055);pointer-events:none;}
.cta-band h2{font-size:clamp(32px,4.6vw,54px);position:relative;}
.cta-band .lead{margin:22px auto 0;position:relative;}
.cta-band .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:36px;position:relative;}
.signup{margin-top:40px;position:relative;}
.signup form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:520px;margin:0 auto;}
.signup input[type=email]{
  flex:1;min-width:240px;padding:13px 16px;border-radius:10px;border:1px solid rgba(156,182,206,.35);
  background:rgba(255,255,255,.07);color:#fff;font-family:'DM Sans',sans-serif;font-size:15.5px;
}
.signup input[type=email]::placeholder{color:var(--on-ocean-dim);}
.signup input[type=email]:focus{border-color:var(--cyan);outline:none;background:rgba(255,255,255,.11);}
.signup .hint{font-size:13.5px;color:var(--on-ocean-dim);margin-top:14px;}
.signup .ok{background:rgba(6,167,125,.14);border:1px solid rgba(6,167,125,.45);border-radius:12px;padding:20px 24px;max-width:520px;margin:0 auto;color:#fff;}
.signup .err{background:rgba(255,107,53,.12);border:1px solid rgba(255,107,53,.45);border-radius:12px;padding:16px 22px;max-width:520px;margin:0 auto 16px;font-size:15px;}

/* ---------- footer ---------- */
.footer{background:var(--ocean-900);color:var(--on-ocean-dim);padding:52px 0 40px;font-size:14.5px;}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer h4{font-family:'JetBrains Mono',monospace;font-weight:500;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-ocean-dim);opacity:.75;margin:0 0 14px;}
.footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer a:hover{color:#fff;}
.footer .about{color:var(--on-ocean-dim);max-width:34ch;line-height:1.6;font-size:14.5px;margin-top:14px;}
.footer .rule{margin-top:40px;padding-top:22px;border-top:1px solid rgba(156,182,206,.16);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-family:'JetBrains Mono',monospace;font-size:11.5px;}
@media(max-width:760px){.footer .cols{grid-template-columns:1fr 1fr;gap:30px;}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;}}