/* coastarlnc.css — Coastar LNC, Inc.
 * Email marketing platform. Editorial, data-forward. Navy + electric accent.
 */

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
img,svg{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
ul,ol{padding-left:1.4rem;margin:0 0 1rem}
li{margin-bottom:.35rem}

:root{
  --paper:#F7F8FB;
  --paper-2:#EEF1F7;
  --paper-3:#E2E7F1;
  --ink:#0B1220;
  --ink-2:#2A3448;
  --muted:#6B7486;
  --line:rgba(11,18,32,.10);
  --line-strong:rgba(11,18,32,.20);
  --accent:#2D5BFF;        /* electric blue */
  --accent-deep:#1A3FCC;
  --accent-light:#DCE5FF;
  --green:#0F9D58;
  --green-light:#DCF2E4;
  --amber:#D97706;
  --amber-light:#FEF3C7;
  --red:#DC2626;
  --shadow-sm:0 1px 3px rgba(11,18,32,.05),0 4px 12px rgba(11,18,32,.04);
  --shadow-md:0 2px 6px rgba(11,18,32,.06),0 14px 36px rgba(11,18,32,.07);
  --shadow-lg:0 4px 12px rgba(11,18,32,.07),0 28px 64px rgba(11,18,32,.10);
  --f-display:"Inter",system-ui,sans-serif;
  --f-body:"Spectral",Georgia,serif;
  --f-mono:"JetBrains Mono",monospace;
  --container:1240px;
  --gutter:1.5rem;
  --radius:16px;
}

body{
  background:var(--paper);color:var(--ink);font-family:var(--f-body);
  font-size:17px;line-height:1.65;min-height:100vh;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5{font-family:var(--f-display);font-weight:800;line-height:1.06;letter-spacing:-.03em;margin:0;color:var(--ink)}
p{margin:0 0 1rem}
::selection{background:var(--accent);color:#fff}

/* ---------------------------------------------------------------- header */
.site-header{
  padding:1.1rem var(--gutter);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:60;background:rgba(247,248,251,.94);
  backdrop-filter:blur(10px);
}
.header-row{max-width:var(--container);margin:0 auto;display:flex;align-items:center;gap:2rem}
.brand{display:flex;align-items:center;gap:.85rem;font-family:var(--f-display)}
.brand-mark{
  width:44px;height:44px;background:var(--ink);color:#fff;font-weight:800;
  font-size:15px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;letter-spacing:-.04em;
}
.brand-name{font-weight:800;font-size:18px;letter-spacing:-.03em;line-height:1}
.brand-sub{font-family:var(--f-mono);font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.16em;margin-top:2px}
.nav-primary{
  display:flex;gap:1.4rem;margin-left:auto;font-family:var(--f-display);
  font-size:13px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;
}
.nav-primary a{position:relative;padding:.3rem 0}
.nav-primary a:hover{color:var(--accent)}
.nav-primary a.is-current::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);
}
.nav-actions{display:flex;gap:.8rem;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:.55rem;font-family:var(--f-display);
  font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.07em;
  padding:.8rem 1.5rem;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);
  border-radius:12px;transition:transform .2s,background .2s,box-shadow .2s;
}
.btn:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn--accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn--big{font-size:15px;padding:1.05rem 1.9rem}
.nav-toggle{
  display:none;width:38px;height:38px;background:var(--ink);color:#fff;
  border-radius:10px;align-items:center;justify-content:center;
}
.nav-toggle svg{stroke:currentColor;fill:none;stroke-width:2}

/* ---------------------------------------------------------------- layout */
main{position:relative;z-index:2}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:4rem var(--gutter)}
.section--cream{background:var(--paper-2)}
.section--ink{background:var(--ink);color:var(--paper)}
.section--ink h2,.section--ink h3{color:var(--paper)}
.section--ink p{color:rgba(247,248,251,.8)}
.section-header{max-width:720px;margin-bottom:2.4rem}
.section-header h2{font-size:clamp(2rem,3.6vw,2.9rem);margin-top:.6rem}
.section-header p{color:var(--ink-2);font-size:17px;margin-top:.8rem}
.section--ink .section-header p{color:rgba(247,248,251,.75)}

.eyebrow{
  font-family:var(--f-mono);font-size:11px;text-transform:uppercase;
  letter-spacing:.2em;color:var(--accent-deep);display:inline-block;
  padding-bottom:.3rem;border-bottom:1px solid var(--line-strong);
}
.section--ink .eyebrow{color:var(--accent-light);border-color:rgba(247,248,251,.3)}

.grid{display:grid;grid-template-columns:1fr;gap:1.2rem}
@media(min-width:720px){
  .grid--2{grid-template-columns:1fr 1fr}
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(4,1fr)}
}

/* ---------------------------------------------------------------- hero */
.hero{padding:3.5rem var(--gutter) 3rem;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center}
@media(min-width:900px){.hero .container{grid-template-columns:1.1fr .9fr}}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);line-height:.98;letter-spacing:-.04em;margin:.8rem 0 1.2rem}
.hero p{font-size:19px;color:var(--ink-2);max-width:560px}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem}

/* ---------------------------------------------------------------- stats panel */
.stats-panel{
  background:var(--ink);color:var(--paper);border-radius:var(--radius);
  padding:2.2rem;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.stats-panel::before{
  content:"";position:absolute;top:-30%;right:-10%;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(45,91,255,.35),transparent 70%);
}
.stats-panel__label{
  font-family:var(--f-mono);font-size:10px;text-transform:uppercase;letter-spacing:.18em;
  color:var(--accent-light);margin-bottom:.6rem;display:block;position:relative;
}
.stats-panel__main{
  font-family:var(--f-display);font-weight:800;font-size:clamp(2.8rem,6vw,4.4rem);
  line-height:.92;letter-spacing:-.05em;color:var(--paper);margin:0 0 .4rem;position:relative;
}
.stats-panel__sub{font-family:var(--f-mono);font-size:12px;color:rgba(247,248,251,.6);position:relative}
.stats-panel__divider{height:1px;background:rgba(247,248,251,.14);margin:1.4rem 0;position:relative}
.stats-panel__row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;position:relative;margin-bottom:.9rem}
.stats-panel__row:last-child{margin-bottom:0}
.stats-panel__k{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:rgba(247,248,251,.6)}
.stats-panel__v{font-family:var(--f-display);font-weight:700;font-size:18px;color:var(--paper);letter-spacing:-.02em}
.stats-panel__v--good{color:#6EE7A8}
.stats-panel__source{
  font-family:var(--f-mono);font-size:10px;color:rgba(247,248,251,.45);
  text-transform:uppercase;letter-spacing:.12em;margin-top:1.4rem;position:relative;
}

/* ---------------------------------------------------------------- stat cards */
.stat{text-align:left}
.stat__num{font-family:var(--f-display);font-weight:800;font-size:clamp(2.4rem,5vw,3.6rem);line-height:.9;letter-spacing:-.04em;color:var(--accent)}
.section--ink .stat__num{color:var(--accent-light)}
.stat__label{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);margin-top:.5rem}
.section--ink .stat__label{color:rgba(247,248,251,.6)}
.stat__note{font-family:var(--f-mono);font-size:11px;color:var(--muted);margin-top:.4rem}

/* ---------------------------------------------------------------- cards */
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.9rem;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.card--dark{background:var(--ink);color:var(--paper);border-color:rgba(247,248,251,.12)}
.card--dark h3{color:var(--paper)}
.card--dark p{color:rgba(247,248,251,.78)}
.card-icon{
  width:48px;height:48px;border-radius:12px;background:var(--accent-light);
  color:var(--accent-deep);display:flex;align-items:center;justify-content:center;margin-bottom:1rem;
}
.card-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8}
.card h3{font-size:1.25rem;margin-bottom:.55rem;letter-spacing:-.02em}
.card p{font-size:15px;color:var(--ink-2);margin:0}
.card__cta{
  margin-top:auto;padding-top:1.1rem;font-family:var(--f-display);font-weight:700;
  font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent-deep);
}

/* ---------------------------------------------------------------- benchmark table */
.bench{
  width:100%;border-collapse:collapse;margin:1.4rem 0 0;font-size:14px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.bench th,.bench td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}
.bench th{
  font-family:var(--f-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;
  color:var(--muted);background:var(--paper-2);
}
.bench td{font-family:var(--f-mono);font-size:13px;color:var(--ink-2)}
.bench tr:last-child td{border-bottom:0}
.bench .val--good{color:var(--green);font-weight:700}
.bench .val--target{color:var(--accent-deep);font-weight:700}

/* ---------------------------------------------------------------- testimonials */
.quote{
  font-family:var(--f-body);font-style:italic;font-size:17px;line-height:1.6;
  color:var(--ink-2);margin:0 0 1rem;padding-left:1rem;border-left:3px solid var(--accent);
}
.quote-author{font-family:var(--f-display);font-weight:700;font-size:13px;color:var(--ink)}
.quote-meta{font-family:var(--f-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-top:2px}

/* ---------------------------------------------------------------- ai feature */
.ai-card{
  background:linear-gradient(150deg,var(--ink) 0%,#16223A 100%);color:var(--paper);
  border-radius:var(--radius);padding:2.2rem;position:relative;overflow:hidden;
}
.ai-card::after{
  content:"";position:absolute;top:-40%;right:-20%;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,91,255,.4),transparent 70%);pointer-events:none;
}
.ai-card h3{color:var(--paper);position:relative;font-size:1.4rem}
.ai-card p{color:rgba(247,248,251,.8);position:relative}
.ai-card ul{color:rgba(247,248,251,.8);position:relative;padding-left:1.2rem}

/* ---------------------------------------------------------------- newsletter / cta */
.newsletter{
  background:var(--ink);color:var(--paper);border-radius:var(--radius);
  padding:3rem;position:relative;overflow:hidden;
}
.newsletter::before{
  content:"";position:absolute;top:-40%;right:-10%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,91,255,.35),transparent 70%);
}
.newsletter h2{color:var(--paper);font-size:clamp(1.8rem,3.4vw,2.6rem);position:relative}
.newsletter p{color:rgba(247,248,251,.8);max-width:560px;position:relative;margin-top:.8rem}
.newsletter form{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.6rem;position:relative}
.newsletter input{
  flex:1;min-width:240px;padding:.95rem 1.1rem;border:1.5px solid rgba(247,248,251,.25);
  border-radius:12px;background:rgba(247,248,251,.06);color:var(--paper);
  font-family:var(--f-body);font-size:16px;
}
.newsletter input::placeholder{color:rgba(247,248,251,.5)}
.newsletter input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(45,91,255,.25)}
.newsletter .success{
  display:none;margin-top:1rem;padding:1rem 1.2rem;background:var(--accent);
  border-radius:10px;font-family:var(--f-display);font-weight:700;font-size:14px;color:#fff;
}
.newsletter .success.is-shown{display:block}

/* ---------------------------------------------------------------- forms */
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem}
.form-card label{display:block;font-family:var(--f-display);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.45rem}
.form-card input,.form-card select,.form-card textarea{
  width:100%;padding:.85rem 1rem;border:1.5px solid var(--line-strong);border-radius:10px;
  background:var(--paper);font-family:var(--f-body);font-size:16px;color:var(--ink);
  margin-bottom:1.1rem;transition:border-color .2s,box-shadow .2s;
}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(45,91,255,.14);
}
.form-card textarea{min-height:120px;resize:vertical}
.form-note{font-family:var(--f-mono);font-size:11px;color:var(--muted);margin-top:.6rem}
.contact-info{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:2.2rem}
.contact-info h3{color:var(--paper);margin-bottom:1.2rem}
.contact-line{font-family:var(--f-mono);font-size:13px;color:rgba(247,248,251,.85);margin-bottom:1.1rem;line-height:1.6}
.contact-line strong{display:block;color:var(--accent-light);font-size:10px;text-transform:uppercase;letter-spacing:.15em;margin-bottom:2px}
.contact-line a{color:var(--paper);border-bottom:1px solid rgba(247,248,251,.3)}
.contact-line a:hover{color:var(--accent-light)}

/* ---------------------------------------------------------------- footer */
.site-footer{background:var(--ink);color:var(--paper);padding:4rem var(--gutter) 2rem;position:relative;z-index:2}
.footer-grid{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:1fr;gap:2.5rem}
@media(min-width:820px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.footer-brand{font-family:var(--f-display);font-weight:800;font-size:24px;letter-spacing:-.03em;display:block;margin-bottom:.7rem;color:var(--paper)}
.footer-brand-line{font-size:14px;color:rgba(247,248,251,.7);max-width:340px}
.footer-contact{font-family:var(--f-mono);font-size:13px;color:rgba(247,248,251,.85);margin-top:1.2rem;line-height:1.9}
.footer-contact a{color:var(--accent-light)}
.footer-contact a:hover{color:var(--paper)}
.site-footer h4{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:rgba(247,248,251,.5);margin-bottom:.9rem;font-weight:400}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.45rem}
.site-footer li a{font-size:14px;color:rgba(247,248,251,.8)}
.site-footer li a:hover{color:var(--accent-light)}
.footer-bottom{
  max-width:var(--container);margin:3rem auto 0;padding-top:1.5rem;
  border-top:1px solid rgba(247,248,251,.15);display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;font-family:var(--f-mono);font-size:11px;
  text-transform:uppercase;letter-spacing:.12em;color:rgba(247,248,251,.55);
}
.footer-bottom a{color:rgba(247,248,251,.7);border-bottom:1px solid rgba(247,248,251,.3)}
.footer-bottom a:hover{color:var(--accent-light)}

/* ---------------------------------------------------------------- legal */
.legal-hero{padding:3.5rem 0 2rem;background:linear-gradient(160deg,var(--paper) 0%,var(--paper-2) 100%)}
.legal-hero h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.02;margin-bottom:1rem}
.legal-hero p{font-size:17px;color:var(--ink-2);max-width:640px}
.legal-prose{max-width:800px;margin:0 auto}
.legal-prose h2{font-size:clamp(1.3rem,2vw,1.55rem);margin:2.4rem 0 .8rem;padding-top:1.3rem;border-top:1px solid var(--line)}
.legal-prose h2:first-child{border-top:0;padding-top:0;margin-top:0}
.legal-prose p,.legal-prose li{font-size:16px;color:var(--ink-2)}
.legal-prose a{color:var(--accent-deep);border-bottom:1px solid rgba(45,91,255,.35)}
.legal-prose a:hover{color:var(--accent)}
.legal-prose .drop-cap{font-family:var(--f-display);font-weight:800;font-size:2.4rem;line-height:0;float:left;margin:.15rem .5rem 0 0;color:var(--accent)}
.legal-meta{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-top:2.5rem}
.version-history{font-family:var(--f-mono);font-size:13px;list-style:none;padding:0}

/* ---------------------------------------------------------------- reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-revealed{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.1s}
.reveal-d2{transition-delay:.2s}
.reveal-d3{transition-delay:.3s}

/* ---------------------------------------------------------------- mobile */
@media(max-width:820px){
  .nav-primary{
    position:fixed;top:76px;right:0;bottom:0;width:min(320px,84vw);
    background:var(--ink);color:var(--paper);flex-direction:column;gap:0;
    padding:1.5rem 1.5rem 4rem;transform:translateX(100%);transition:transform .3s ease;
    z-index:100;overflow-y:auto;margin-left:0;
  }
  .nav-primary.is-open{transform:translateX(0)}
  .nav-primary a{padding:1rem 0;border-bottom:1px solid rgba(247,248,251,.15)}
  .nav-primary a.is-current::after{background:var(--accent)}
  .nav-toggle{display:flex}
  .hero{padding:2.2rem var(--gutter) 2rem}
  .newsletter{padding:2rem}
  .section{padding:3rem var(--gutter)}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .card:hover{transform:none}
}