/* ============================================================
   Darrell Nicholas — portfolio
   Brand: blue #3162EF · orange #FF723A · light #F7F8FC · near-black ink
   Mobile-first. No frameworks, no web fonts, no external requests.
   ============================================================ */

:root{
  --blue:#3162EF;
  --blue-dark:#2450cf;
  --blue-soft:#e6ecfe;
  --orange:#FF723A;
  --orange-dark:#ef5d21;
  --orange-soft:#ffe9e0;
  --bg:#F7F8FC;
  --ink:#0B0D12;
  --ink-2:#4a5060;
  --ink-3:#6b7183;
  --card:#ffffff;
  --line:#e4e7f2;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(11,13,18,.05), 0 4px 14px rgba(11,13,18,.05);
  --shadow-md:0 2px 6px rgba(11,13,18,.06), 0 18px 40px rgba(11,13,18,.09);
  --wrap:1080px;
  --gap:clamp(20px,5vw,40px);
}

*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:72px;
}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:var(--blue); text-decoration:none; }
a:hover{ text-decoration:underline; }

h1,h2,h3{ line-height:1.12; letter-spacing:-.022em; margin:0 0 .4em; font-weight:800; }
h1{ font-size:clamp(2.4rem,9vw,4rem); }
h2{ font-size:clamp(1.75rem,5.4vw,2.5rem); }
h3{ font-size:clamp(1.2rem,3.6vw,1.5rem); font-weight:750; }
p{ margin:0 0 1em; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 22px; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--ink); color:#fff; padding:12px 18px; border-radius:0 0 10px 0;
}
.skip:focus{ left:0; }

:focus-visible{ outline:3px solid var(--blue); outline-offset:3px; border-radius:6px; }

/* ---------------- nav ---------------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(247,248,252,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav.is-stuck{ border-bottom-color:var(--line); box-shadow:0 1px 12px rgba(11,13,18,.04); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:60px; }

.brand{ display:inline-flex; align-items:center; gap:10px; color:var(--ink); font-weight:750; letter-spacing:-.015em; }
.brand:hover{ text-decoration:none; }
.brand-mark{
  width:22px; height:22px; border-radius:50%;
  background:conic-gradient(from 140deg, var(--blue), var(--orange) 70%, var(--blue));
  box-shadow:inset 0 0 0 4px var(--bg);
  flex:none;
}
.brand-name{ font-size:1rem; }

.nav-links{ display:flex; align-items:center; gap:6px; list-style:none; margin:0; padding:0; }
.nav-links a{
  display:inline-block; padding:8px 10px; border-radius:9px;
  color:var(--ink-2); font-size:.94rem; font-weight:600;
}
.nav-links a:hover{ color:var(--ink); background:rgba(49,98,239,.07); text-decoration:none; }
.nav-links .nav-cta{ color:#fff; background:var(--ink); padding:8px 14px; }
.nav-links .nav-cta:hover{ background:var(--blue); color:#fff; }
@media (max-width:640px){
  .nav-links li:not(:last-child){ display:none; }
}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 22px; border-radius:999px;
  font-size:1rem; font-weight:700; letter-spacing:-.01em;
  border:2px solid transparent; cursor:pointer;
  transition:transform .16s ease, background-color .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.btn:hover{ text-decoration:none; transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }
.btn-arrow{ width:19px; height:19px; flex:none; transition:transform .16s ease; }
.btn:hover .btn-arrow{ transform:translateX(3px); }

.btn-primary{ background:var(--blue); color:#fff; box-shadow:0 8px 20px rgba(49,98,239,.26); }
.btn-primary:hover{ background:var(--blue-dark); }
.btn-accent{ background:var(--orange); color:#160c06; box-shadow:0 8px 20px rgba(255,114,58,.3); }
.btn-accent:hover{ background:var(--orange-dark); color:#160c06; }
.btn-ghost{ background:transparent; color:var(--ink); border-color:#cfd5e6; }
.btn-ghost:hover{ border-color:var(--ink); background:rgba(11,13,18,.03); }

/* ---------------- pills / tags ---------------- */
.pill{
  display:inline-block; padding:5px 11px; border-radius:999px;
  font-size:.74rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase;
}
.pill-new{ background:var(--orange); color:#160c06; }
.pill-ku{ background:var(--blue-soft); color:var(--blue-dark); }
.pill-soon{ background:var(--ink); color:#fff; }
.tag{
  display:inline-block; padding:4px 10px; border-radius:8px;
  background:var(--blue-soft); color:var(--blue-dark);
  font-size:.8rem; font-weight:700;
}
.sep{ color:#b9bfd0; padding:0 4px; }

/* ---------------- decorative shapes ---------------- */
.shape{ position:absolute; display:block; pointer-events:none; }
.shape-ring{
  width:min(92vw,560px); aspect-ratio:1; border-radius:50%;
  border:2px solid rgba(49,98,239,.20);
  top:-230px; right:-190px;
}
.shape-dot{
  width:min(34vw,150px); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle at 32% 28%, #ff9a70, var(--orange));
  opacity:.16; bottom:8%; left:-52px;
}
.shape-wedge{
  width:120%; height:340px; left:-10%; bottom:-190px;
  background:linear-gradient(100deg, rgba(49,98,239,.10), rgba(255,114,58,.10));
  transform:skewY(-6deg);
}

/* ---------------- hero ---------------- */
.hero{ position:relative; overflow:hidden; padding:clamp(46px,10vw,96px) 0 clamp(52px,10vw,104px); }
.hero-shapes{ position:absolute; inset:0; }
.hero-inner{ position:relative; display:grid; gap:clamp(30px,7vw,56px); }

.eyebrow{
  color:var(--blue); font-weight:800; font-size:.82rem;
  letter-spacing:.14em; text-transform:uppercase; margin-bottom:14px;
}
.hero h1{ margin-bottom:.28em; }
.lede{
  font-size:clamp(1.08rem,3.6vw,1.4rem); line-height:1.45;
  color:var(--ink-2); max-width:34ch; margin-bottom:1.6em;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; }

.hero-book{ display:flex; flex-direction:column; align-items:flex-start; gap:16px; }
.hero-book-link{ display:block; max-width:290px; width:70%; }
.hero-book-link:hover{ text-decoration:none; }
.hero-book-tag{ display:flex; flex-wrap:wrap; gap:8px; margin:0; }

/* ---------------- covers ---------------- */
.cover{
  position:relative; aspect-ratio:2/3; border-radius:12px; overflow:hidden;
  background:linear-gradient(150deg, var(--blue) 0%, #1e3fa8 58%, #0d1b46 100%);
  box-shadow:var(--shadow-md);
  outline:1px solid rgba(11,13,18,.07);
  outline-offset:-1px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.cover img{ width:100%; height:100%; object-fit:cover; position:relative; z-index:2; }
/* fallback shown only if the cover file is missing */
.cover::after{
  content:attr(data-title);
  position:absolute; inset:0; z-index:1;
  display:flex; align-items:flex-end;
  padding:16px; color:#fff; font-weight:800; font-size:1rem; line-height:1.25;
  letter-spacing:-.01em;
}
.cover::before{
  content:""; position:absolute; z-index:1;
  width:120%; height:60%; left:-10%; top:14%;
  background:linear-gradient(100deg, rgba(255,114,58,.9), rgba(255,114,58,0));
  transform:skewY(-11deg);
}
.cover.is-missing img{ display:none; }
.cover-hero{ box-shadow:0 10px 24px rgba(11,13,18,.10), 0 30px 60px rgba(11,13,18,.14); }
a:hover .cover, .card:hover .cover{ transform:translateY(-4px); box-shadow:0 12px 28px rgba(11,13,18,.12), 0 34px 64px rgba(11,13,18,.16); }

/* ---------------- sections ---------------- */
.section{ position:relative; padding:clamp(52px,10vw,96px) 0; }
.section-tint{ background:#eef1f9; }
.section-head{ margin-bottom:clamp(26px,5vw,40px); }
.section-head h2{ position:relative; display:inline-block; }
.section-head h2::after{
  content:""; display:block; width:52px; height:5px; border-radius:3px;
  margin-top:12px; background:var(--orange);
}
.section-sub{ color:var(--ink-2); max-width:52ch; margin:0; font-size:1.02rem; }
.section-head-left h2::after{ margin-left:0; }

/* ---------------- cards ---------------- */
.card{
  position:relative; background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius-lg); box-shadow:var(--shadow-sm);
  padding:20px; display:grid; gap:18px;
  transition:box-shadow .22s ease, transform .22s ease, border-color .22s ease;
}
.card:hover{ box-shadow:var(--shadow-md); border-color:#d8ddee; }
.card-cover{ display:block; }
.card-cover:hover{ text-decoration:none; }
.card-body{ display:flex; flex-direction:column; align-items:flex-start; }
.card-flags{ margin:0 0 12px; }
.card-title{ margin:0 0 .3em; }
.card-title a{ color:var(--ink); }
.card-title a:hover{ color:var(--blue); text-decoration:none; }
.card-sub{ color:var(--ink-2); font-weight:600; margin:0 0 .8em; }
.card-text{ color:var(--ink-2); margin:0 0 1.1em; }
.card-meta{ color:var(--ink-2); font-size:.94rem; margin:0 0 1.2em; display:flex; flex-wrap:wrap; align-items:center; gap:6px; }
.price{ color:var(--ink); font-size:1.1rem; font-weight:800; }
.card-link-note{
  margin:auto 0 0; color:var(--blue); font-weight:700; font-size:.95rem;
  display:inline-flex; align-items:center; gap:6px;
}
.card:hover .card-link-note .btn-arrow{ transform:translateX(3px); }
.fineprint{ margin:0; color:var(--ink-3); font-size:.82rem; }

.card-featured{ margin-bottom:22px; padding:22px; }
.card-featured .cover{ max-width:230px; }
.card-featured::before{
  content:""; position:absolute; inset:0; border-radius:var(--radius-lg);
  padding:2px; background:linear-gradient(120deg, var(--blue), var(--orange));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  pointer-events:none;
}

.grid{ display:grid; gap:18px; }
.grid-2 > .card{ grid-template-columns:116px 1fr; align-items:start; }
.grid-2 .cover{ width:116px; }

.card-app .app-icon-wrap{ width:104px; }
.card-app .app-icon{
  width:104px; height:104px; border-radius:23px;
  box-shadow:var(--shadow-md);
}

/* ---------------- about ---------------- */
.about-wrap{ display:grid; gap:clamp(24px,5vw,48px); align-items:center; }
.about-copy p{ color:var(--ink-2); font-size:1.05rem; max-width:62ch; }
.about-art{ position:relative; min-height:170px; }
.shape-ring2{
  width:170px; aspect-ratio:1; border-radius:50%;
  border:14px solid var(--blue); opacity:.9;
  top:10px; left:6px;
}
.shape-block{
  width:120px; height:120px; border-radius:18px;
  background:var(--orange); opacity:.92;
  transform:rotate(14deg); top:70px; left:118px;
}

/* ---------------- contact ---------------- */
.section-dark{
  background:var(--ink); color:#fff; overflow:hidden;
}
.section-dark::before{
  content:""; position:absolute; width:min(90vw,520px); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle, rgba(49,98,239,.55), rgba(49,98,239,0) 68%);
  top:-30%; right:-14%; pointer-events:none;
}
.section-dark::after{
  content:""; position:absolute; width:min(70vw,380px); aspect-ratio:1; border-radius:50%;
  background:radial-gradient(circle, rgba(255,114,58,.35), rgba(255,114,58,0) 68%);
  bottom:-38%; left:-12%; pointer-events:none;
}
.contact-wrap{ position:relative; }
.section-dark h2::after{ background:var(--orange); }
.section-dark .section-sub{ color:#b9c0d4; }

.signup{ max-width:560px; }
.signup-row{ display:grid; gap:10px; }
.signup input[type=email]{
  width:100%; padding:15px 18px; font-size:1rem; font-family:inherit;
  color:var(--ink); background:#fff;
  border:2px solid transparent; border-radius:999px; -webkit-appearance:none;
}
.signup input[type=email]::placeholder{ color:#8c93a6; }
.signup input[type=email]:focus{ outline:none; border-color:var(--orange); }
.signup input[type=email]:focus-visible{ outline:3px solid var(--orange); outline-offset:3px; }
.signup .btn{ width:100%; }
.hp{ position:absolute; left:-9999px; }
.form-status{ margin:14px 0 0; font-weight:650; min-height:1.4em; color:#cdd4e6; }
.form-status.is-ok{ color:#8ef0b8; }
.form-status.is-err{ color:#ffb59a; }

/* ---------------- footer ---------------- */
.footer{ background:var(--ink); color:#8b93a8; padding:0 0 46px; }
.footer-inner{ border-top:1px solid rgba(255,255,255,.09); padding-top:28px; }
.footer-name{ color:#fff; font-weight:750; margin:0 0 2px; }
.footer-note{ margin:0 0 12px; }
.footer-legal{ margin:0; font-size:.86rem; color:#6c748a; }

/* ---------------- small phones ---------------- */
@media (max-width:520px){
  .shape-ring{ top:-300px; right:-250px; }
  .eyebrow{ font-size:.72rem; letter-spacing:.1em; }
}

/* ---------------- reveal on scroll ---------------- */
.reveal{ opacity:0; transform:translateY(16px); }
.reveal.is-in{ opacity:1; transform:none; transition:opacity .5s ease, transform .5s ease; }

/* ============================================================
   Larger screens
   ============================================================ */
@media (min-width:700px){
  .signup-row{ grid-template-columns:1fr auto; }
  .signup .btn{ width:auto; }
  .card{ padding:24px; }
  .card-featured{ grid-template-columns:230px 1fr; gap:30px; align-items:center; padding:30px; }
  .grid-2{ grid-template-columns:1fr 1fr; }
  .card-app{ grid-template-columns:104px 1fr; gap:26px; align-items:center; }
}

@media (min-width:900px){
  html{ scroll-padding-top:84px; }
  body{ font-size:18px; }
  .wrap{ padding:0 32px; }
  .nav-inner{ min-height:70px; }
  .hero-inner{ grid-template-columns:1.15fr .85fr; align-items:center; }
  .hero-book{ align-items:center; }
  .hero-book-link{ width:100%; max-width:320px; }
  .hero-book-tag{ justify-content:center; }
  .card-featured{ grid-template-columns:260px 1fr; }
  .card-featured .cover{ max-width:260px; }
  .about-wrap{ grid-template-columns:280px 1fr; }
  .about-art{ min-height:250px; }
  .shape-ring2{ width:210px; border-width:18px; }
  .shape-block{ width:150px; height:150px; top:96px; left:150px; }
}

/* ---------------- motion / print ---------------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
}
@media print{
  .nav,.hero-shapes,.about-art,.signup{ display:none; }
  body{ background:#fff; }
}