/* Cal Phillips Thrillers — site styles. No build step. */
:root{
  --navy:#0B1220; --ink:#07090f; --panel:#111a2c; --panel-2:#16213a; --line:#233454;
  --text:#ffffff; --muted:#b9c4d6; --dim:#8d9ab0;
  --ice:#7FB8FF; --ice-strong:#a9d0ff; --ice-deep:#3d7fd6;
  --purple:#b48cff; --purple-deep:#6a3fc4;
  --lineup:#17181d;
  --radius:10px; --wrap:1160px;
  --head:'Oswald','Arial Narrow',Arial,sans-serif;
  --body:'Source Serif 4','Source Serif Pro',Georgia,'Times New Roman',serif;
  --glow:0 0 18px rgba(127,184,255,.45),0 0 2px rgba(127,184,255,.6);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--body);font-size:1.125rem;line-height:1.7;
  background-image:radial-gradient(1200px 600px at 70% -10%,rgba(61,127,214,.18),transparent 60%),linear-gradient(180deg,var(--navy),var(--ink) 900px);
  background-repeat:no-repeat}
img{max-width:100%;height:auto;display:block}
a{color:var(--ice);text-underline-offset:3px}
a:hover{color:var(--ice-strong)}
:focus-visible{outline:3px solid var(--ice);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--ice);color:var(--ink);padding:.6rem 1rem;font-family:var(--head);z-index:100;border-radius:6px;text-decoration:none}
.skip-link:focus{top:12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* Type */
h1,h2,h3,.h{font-family:var(--head);font-weight:600;line-height:1.12;letter-spacing:.01em;margin:0 0 .6em;text-wrap:balance}
h1{font-size:clamp(2.3rem,5.4vw,4.2rem);text-shadow:var(--glow)}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);text-shadow:var(--glow)}
h3{font-size:1.45rem}
h1 em,h2 em,h3 em{font-style:normal}
p{margin:0 0 1.1em}
.eyebrow{font-family:var(--head);text-transform:uppercase;letter-spacing:.18em;font-size:.85rem;font-weight:500;color:var(--ice);margin:0 0 .9rem;display:block}
.eyebrow.purple{color:var(--purple)}
.lead{font-size:clamp(1.15rem,1.8vw,1.35rem);color:var(--muted)}
.muted{color:var(--muted)}
.fine{font-size:.9rem;color:var(--dim);font-family:var(--body)}
.fine a{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-weight:500;font-size:1rem;line-height:1.2;
  padding:.9em 1.5em;border-radius:6px;text-decoration:none;border:2px solid var(--ice);transition:background .2s,color .2s,box-shadow .2s,transform .2s;cursor:pointer;text-align:center}
.btn-primary{background:var(--ice);color:#06101f;box-shadow:0 0 22px rgba(127,184,255,.35)}
.btn-primary:hover{background:var(--ice-strong);border-color:var(--ice-strong);color:#06101f;box-shadow:0 0 30px rgba(127,184,255,.55)}
.btn-ghost{background:transparent;color:var(--text)}
.btn-ghost:hover{background:rgba(127,184,255,.12);color:var(--text)}
.btn-purple{background:var(--purple);border-color:var(--purple);color:#140826;box-shadow:0 0 22px rgba(180,140,255,.35)}
.btn-purple:hover{background:#cbb0ff;border-color:#cbb0ff;color:#140826}
.btn-sm{padding:.6em 1.1em;font-size:.9rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.6rem}
.ext::after{content:"\2197";font-size:.9em;opacity:.8}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,10,18,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(127,184,255,.14)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);margin-right:auto}
.brand img{width:38px;height:38px}
.brand-text{font-family:var(--head);text-transform:uppercase;line-height:1.05;letter-spacing:.06em}
.brand-text strong{display:block;font-weight:600;font-size:1.12rem}
.brand-text span{display:block;font-size:.72rem;letter-spacing:.2em;color:var(--ice)}
.site-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.site-nav li a{display:block;font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;font-size:.95rem;color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:6px}
.site-nav li a:hover{color:var(--text);background:rgba(127,184,255,.08)}
.site-nav li a[aria-current="page"]{color:var(--text);box-shadow:inset 0 -2px 0 var(--ice)}
.nav-cta{white-space:nowrap}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:8px;width:46px;height:46px;cursor:pointer;padding:0;align-items:center;justify-content:center}
.nav-toggle .bars,.nav-toggle .bars::before,.nav-toggle .bars::after{display:block;width:22px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s,background .2s}
.nav-toggle .bars::before,.nav-toggle .bars::after{content:"";position:absolute;left:0}
.nav-toggle .bars::before{top:-7px}.nav-toggle .bars::after{top:7px}
.nav-open .nav-toggle .bars{background:transparent}
.nav-open .nav-toggle .bars::before{transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle .bars::after{transform:translateY(-7px) rotate(-45deg)}
.nav-mobile-cta{display:none}

@media (max-width:980px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:10px;padding-bottom:10px}
  .nav-cta{display:none}
  .js .nav-toggle{display:inline-flex}
  .site-nav{width:100%}
  .site-nav ul{flex-wrap:wrap}
  .js .site-nav{display:none}
  .js.nav-open .site-nav{display:block;padding-bottom:12px}
  .js .site-nav ul{flex-direction:column;gap:2px}
  .js .site-nav li a{padding:.8rem .5rem;font-size:1.05rem;border-bottom:1px solid rgba(127,184,255,.1);border-radius:0}
  .js .site-nav li a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--ice);padding-left:.9rem}
  .nav-mobile-cta{display:block;margin-top:14px}
  .nav-mobile-cta .btn{width:100%}
}
@media (max-width:420px){.brand-text span{display:none}}

/* Sections */
.section{padding:clamp(56px,8vw,104px) 0}
.section-tight{padding:clamp(40px,6vw,72px) 0}
.section-alt{background:linear-gradient(180deg,rgba(17,26,44,.65),rgba(11,18,32,.65));border-top:1px solid rgba(127,184,255,.08);border-bottom:1px solid rgba(127,184,255,.08)}
.section-purple{background:radial-gradient(900px 500px at 20% 30%,rgba(106,63,196,.22),transparent 65%),linear-gradient(180deg,#0e0c1f,#0b1220)}
.center{text-align:center}
.center .btn-row{justify-content:center}

/* Hero */
.hero{padding:clamp(56px,9vw,112px) 0 clamp(48px,7vw,88px);text-align:center}
.hero h1{font-size:clamp(2.6rem,7vw,5.4rem);text-transform:uppercase;letter-spacing:.02em;margin-bottom:.35em}
.hero .lead{max-width:760px;margin:0 auto}
.hero .btn-row{justify-content:center;margin-bottom:clamp(40px,6vw,64px)}
.lineup{background:var(--lineup);border-radius:14px;padding:clamp(6px,1.4vw,14px);box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(127,184,255,.12),0 0 60px rgba(127,184,255,.10);max-width:1100px;margin:0 auto}
.lineup img{border-radius:8px;width:100%;aspect-ratio:1960/1120}

/* Cover + feature layout */
.feature{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,80px);align-items:center}
.feature.reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.feature.reverse .cover-col{order:2}
.feature.top{align-items:start}
.cover{width:100%;max-width:420px;margin:0 auto;aspect-ratio:5/8;border-radius:6px;overflow:hidden;background:#0d1422;
  box-shadow:0 26px 60px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.06),0 0 50px rgba(127,184,255,.14)}
.cover img{width:100%;height:100%;object-fit:contain}
.cover.purple{box-shadow:0 26px 60px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.06),0 0 55px rgba(180,140,255,.22)}
.cover-col .cover{position:sticky;top:100px}
@media (max-width:860px){
  .feature,.feature.reverse{grid-template-columns:1fr}
  .feature.reverse .cover-col{order:0}
  .cover{max-width:340px}
  .cover-col .cover{position:static}
}
.series-line{font-family:var(--head);text-transform:uppercase;letter-spacing:.16em;font-size:.9rem;color:var(--ice);margin:0 0 1.2rem}
.series-line.purple{color:var(--purple)}
.hook{font-family:var(--head);font-weight:500;font-size:clamp(1.35rem,2.4vw,1.7rem);line-height:1.3;color:#fff;margin-bottom:1rem}
.blurb p{color:#e4e9f2}
.blurb .tagline{font-style:italic;color:var(--ice-strong)}
.blurb.purple .tagline{color:#d4bfff}
.blurb .punch{font-family:var(--head);font-size:1.5rem;text-transform:uppercase;letter-spacing:.08em;color:var(--purple);text-shadow:0 0 16px rgba(180,140,255,.5)}
.status{display:inline-block;font-family:var(--head);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;padding:.35em .8em;border:1px solid var(--ice);border-radius:999px;color:var(--ice);margin-bottom:1rem}

/* Book grid */
.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,40px);margin-top:48px}
.book-card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--panel),rgba(17,26,44,.4));border:1px solid rgba(127,184,255,.12);border-radius:var(--radius);padding:22px;transition:border-color .2s}
.book-card:hover{border-color:rgba(127,184,255,.35)}
.book-card.purple{border-color:rgba(180,140,255,.22)}
.book-card .cover{max-width:none;margin-bottom:22px}
.book-card h2,.book-card h3{font-size:1.5rem;margin-bottom:.35em;text-shadow:none}
.book-card .series-line{font-size:.8rem;margin-bottom:.8rem}
.book-card p{font-size:1.02rem;color:var(--muted)}
.book-card .btn-row{margin-top:auto;padding-top:8px;gap:10px}
.book-card .btn{flex:1 1 auto}
@media (max-width:900px){.book-grid{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto}}

/* Callouts */
.callout{background:linear-gradient(135deg,rgba(22,33,58,.9),rgba(11,18,32,.9));border:1px solid rgba(127,184,255,.18);border-radius:var(--radius);padding:clamp(22px,3vw,34px);margin-top:28px}
.callout h3{margin-bottom:.4em}
.callout p:last-child{margin-bottom:0}
.callout.purple{border-color:rgba(180,140,255,.28)}
.split-callouts{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
@media (max-width:760px){.split-callouts{grid-template-columns:1fr}}

/* Forms */
.signup{max-width:860px;margin:0 auto;background:linear-gradient(160deg,#15223c,#0c1424);border:1px solid rgba(127,184,255,.25);border-radius:16px;padding:clamp(28px,5vw,56px);box-shadow:0 0 70px rgba(127,184,255,.08)}
.signup.center{text-align:center}
.form{margin-top:1.4rem}
.form-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:12px;align-items:end}
.signup.center .form-row{text-align:left}
@media (max-width:760px){.form-row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:0}
.field label{font-family:var(--head);text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;color:var(--muted)}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:1.05rem;color:var(--text);background:#070c16;border:1px solid #34486c;border-radius:6px;padding:.8em .9em;min-height:52px}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ice) 50%),linear-gradient(135deg,var(--ice) 50%,transparent 50%);background-position:calc(100% - 20px) 55%,calc(100% - 14px) 55%;background-size:6px 6px;background-repeat:no-repeat;padding-right:2.5em}
.field textarea{min-height:170px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#7d8aa3}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--ice);box-shadow:0 0 0 3px rgba(127,184,255,.3)}
.form .btn{min-height:52px}
.form .fine{margin:1rem 0 0}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.stack{display:grid;gap:18px}
.stack-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.stack-2{grid-template-columns:1fr}}
.benefits{list-style:none;padding:0;margin:1.2rem 0 0}
.benefits li{position:relative;padding-left:2rem;margin-bottom:.75rem;color:#e4e9f2}
.benefits li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border:2px solid var(--ice);transform:rotate(45deg);box-shadow:0 0 10px rgba(127,184,255,.5)}

/* Prose pages */
.page-head{padding:clamp(56px,8vw,96px) 0 clamp(20px,3vw,32px)}
.prose h2{font-size:1.6rem;margin-top:2.2rem;text-shadow:none;color:var(--ice-strong)}
.prose ul{padding-left:1.3rem}
.prose li{margin-bottom:.4rem}
.note{border-left:4px solid var(--purple);background:rgba(106,63,196,.14);padding:14px 18px;border-radius:0 8px 8px 0;font-size:1rem;color:#e6dcff;margin-bottom:2rem}
.monogram{width:100%;max-width:360px;aspect-ratio:4/5;margin:0 auto;border-radius:12px;display:grid;place-items:center;background:radial-gradient(circle at 50% 35%,#1b2c4d,#0b1220 70%);border:1px solid rgba(127,184,255,.2);box-shadow:0 0 50px rgba(127,184,255,.1)}
.monogram span{font-family:var(--head);font-weight:700;font-size:6rem;color:#fff;text-shadow:var(--glow);letter-spacing:.04em}

/* Footer */
.site-footer{border-top:1px solid rgba(127,184,255,.14);background:#05070c;padding:56px 0 36px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:start}
.footer-brand{font-family:var(--head);font-size:1.35rem;text-transform:uppercase;letter-spacing:.06em;margin:0 0 .4rem}
.footer-brand span{color:var(--muted);text-transform:none;letter-spacing:.02em;font-weight:400}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:flex-end}
.footer-links a{font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;font-size:.9rem;color:var(--muted);text-decoration:none;padding:.3rem 0;display:inline-block}
.footer-links a:hover{color:var(--ice)}
.copyright{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);font-size:.9rem;color:var(--dim)}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}.footer-links{justify-content:flex-start}}

/* 404 */
.big-num{font-family:var(--head);font-size:clamp(5rem,16vw,10rem);line-height:1;color:var(--ice);text-shadow:var(--glow);margin:0}
.h1-sm{font-size:clamp(2rem,3.6vw,3rem)}
.signup.compact .form-row{grid-template-columns:1fr 1fr}
.signup.compact .form-row .btn{grid-column:1 / -1}
@media (max-width:560px){.signup.compact .form-row{grid-template-columns:1fr}}
/* Oct 1, 2026: buying notes and Book 3 release line */
.ku{font-family:var(--head);text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;color:var(--muted);margin:.9rem 0 0}
.release{font-family:var(--head);text-transform:uppercase;letter-spacing:.14em;font-size:.95rem;color:var(--ice);margin:0 0 1rem}
.blurb:not(.purple) .punch{color:var(--ice);text-shadow:0 0 16px rgba(127,184,255,.45)}