:root{
  /* Shared sqglobe.com palette */
  --navy:#192a3d;
  --navy-2:#223a55;
  --navy-3:#3a4f66;
  --cyan:#2872fa;
  --cyan-2:#1559ed;
  --ink:#192a3d;
  --muted:#3a4f66;
  --paper:#fafbfc;
  --line:#e1e8ed;
  --orange:#2872fa;
  --white:#fff;
  --shadow:0 18px 50px rgba(25,42,61,.16);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),calc(100% - 40px));margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(25,42,61,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  color:white;
}
.nav{height:72px;display:flex;align-items:center;gap:30px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:1.1rem}
nav{display:flex;gap:28px;margin-left:auto}
nav a{color:#e1e8ed;font-size:.95rem}
nav a:hover{color:white}
.nav-cta{
  padding:11px 18px;border:1px solid rgba(40,114,250,.55);
  border-radius:10px;background:rgba(40,114,250,.14);font-weight:700
}

.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 76% 16%,rgba(40,114,250,.12),transparent 31%),
    linear-gradient(110deg,#fff 0%,#f7fafc 56%,#edf3f8 100%);
  color:var(--ink);
}
.hero-glow{
  position:absolute;inset:auto -10% -42% 35%;height:78%;
  background:radial-gradient(circle,rgba(40,114,250,.12),transparent 60%);
  filter:blur(28px)
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(390px,.92fr);
  gap:54px;
  align-items:center;
  min-height:540px;
  padding-block:54px;
}
.book-frame{
  border-radius:18px;overflow:hidden;
  box-shadow:0 28px 65px rgba(25,42,61,.22);
  border:1px solid rgba(25,42,61,.1)
}
.book-frame img{width:100%;aspect-ratio:3/2;object-fit:cover}
.eyebrow,.kicker{
  text-transform:uppercase;
  font-size:.78rem;
  letter-spacing:.16em;
  font-weight:800;
  color:var(--cyan)
}
.hero h1{
  font-size:clamp(2.65rem,4.35vw,4.2rem);
  line-height:1.02;
  letter-spacing:-.045em;
  margin:0 0 20px
}
.hero h1 span{display:inline-block;color:var(--cyan);position:relative;white-space:nowrap;margin-bottom:.04em}
.hero h1 span::after{
  content:"";position:absolute;left:2px;right:0;bottom:-5px;height:4px;
  border-radius:999px;background:var(--cyan);transform:rotate(-2deg)
}
.lede{font-size:1.05rem;color:var(--muted);max-width:680px;margin:0 0 26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 22px;border-radius:11px;
  font-weight:800;border:1px solid transparent;transition:.2s ease
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--cyan-2),var(--cyan));color:white;box-shadow:0 10px 26px rgba(40,114,250,.28)}
.btn-secondary{border-color:#7da8fb;color:white;background:rgba(25,42,61,.28)}
.btn-amazon{background:var(--orange);color:white}
.btn-secondary.light{color:var(--ink);border-color:#9db9ed;background:white}
.hero-badges{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;color:#e1e8ed;font-size:.9rem}
.hero-badges span{padding:7px 10px;border:1px solid rgba(255,255,255,.11);border-radius:999px;background:rgba(255,255,255,.045)}

.purchase-btn{
  min-width:238px;min-height:60px;padding:9px 15px;
  justify-content:flex-start;gap:12px;text-align:left
}
.hero .btn-secondary{color:var(--navy);background:white;border-color:#9db9ed;box-shadow:0 10px 24px rgba(25,42,61,.08)}
.purchase-icon{
  flex:0 0 31px;width:31px;height:31px;display:grid;place-items:center;
  font-size:1.4rem;line-height:1;color:currentColor
}
.amazon-icon{font-family:Georgia,serif;font-size:1.75rem;font-weight:700}
.purchase-copy{display:grid;gap:2px;line-height:1.2}
.purchase-copy strong{font-size:.87rem}
.purchase-copy small{font-size:.71rem;font-weight:600;opacity:.84}
.hero-sample{
  display:inline-flex;align-items:center;gap:9px;margin-top:16px;
  color:var(--navy-2);font-size:.88rem;font-weight:800
}
.hero-sample:hover{color:var(--cyan-2)}

.testimonials{
  padding:34px 0 38px;
  background:linear-gradient(180deg,#fff,#f7f9fb);
  border-bottom:1px solid var(--line)
}
.testimonials-heading{margin-bottom:20px}
.testimonials-heading h2{
  margin:0 0 2px;font-size:1.55rem;line-height:1.2;letter-spacing:-.025em
}
.testimonials-heading p{margin:0;color:var(--muted);font-size:.95rem}
.testimonials-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.testimonial-card{
  display:flex;flex-direction:column;min-height:194px;margin:0;padding:25px 28px 20px;
  border:1px solid var(--line);border-radius:7px;background:#fff;
  box-shadow:0 8px 22px rgba(25,42,61,.07)
}
.testimonial-card p{
  margin:0 0 22px;font-size:.97rem;font-weight:500;line-height:1.38;letter-spacing:-.01em
}
.testimonial-card footer{display:grid;gap:0;margin-top:auto;color:var(--ink);font-size:.78rem}
.testimonial-card cite{font-style:normal;font-weight:800}
.testimonial-card footer span{color:var(--muted);font-size:.72rem}

.diagram-card{
  padding:18px;border-radius:16px;
  background:rgba(14,26,40,.46);
  border:1px solid rgba(40,114,250,.38);
  box-shadow:0 20px 50px rgba(0,0,0,.2)
}
.diagram-label{color:#d7e4ff;font-weight:800;margin-bottom:12px;font-size:.9rem}
.diagram-card img{
  width:100%;max-height:450px;object-fit:contain;
  filter:invert(1) sepia(.12) saturate(1.3) hue-rotate(175deg) brightness(1.35);
  mix-blend-mode:screen
}

.proof{background:#f2f5f7;border-bottom:1px solid var(--line)}
.proof-grid{
  display:grid;grid-template-columns:auto 1fr 330px;gap:24px;align-items:center;
  padding-block:30px
}
.quote-mark{font:800 4.8rem/1 Georgia,serif;color:var(--cyan)}
blockquote{margin:0}
blockquote p{margin:0;font-size:1.12rem;font-weight:650;letter-spacing:-.01em}
blockquote footer{margin-top:8px;color:var(--muted);font-size:.9rem}
.proof-note{border-left:1px solid var(--line);padding-left:24px;display:grid;gap:5px}
.proof-note span{color:var(--muted)}

.section{padding:78px 0}
.section-heading{margin-bottom:34px}
.section-heading.centered{text-align:center;max-width:800px;margin:0 auto 42px}
.section-heading h2,.transition h2,.author h2{
  margin:7px 0 10px;font-size:clamp(2rem,3.2vw,3rem);line-height:1.05;letter-spacing:-.035em
}
.section-heading p{color:var(--muted);max-width:760px;margin:0 auto}
.workflow{background:white}
.workflow-row{
  display:grid;
  grid-template-columns:repeat(15,auto);
  align-items:start;
  justify-content:space-between;
  gap:8px;
  padding:24px 20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg,var(--paper),#f2f5f7)
}
.step{width:98px;text-align:center;display:grid;justify-items:center;gap:5px}
.step-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:#eaf1ff;color:var(--cyan-2);font-size:1.25rem;font-weight:900
}
.step-icon img{width:26px;height:26px;display:block;object-fit:contain}
.step b{font-size:.88rem}
.step span{font-size:.72rem;color:var(--muted);line-height:1.3}
.arrow{color:var(--cyan);font-size:1.5rem;padding-top:8px}
.app-showcase{
  margin-top:30px;display:grid;grid-template-columns:1fr 1.05fr;gap:35px;align-items:center;
  padding:35px;border-radius:var(--radius);background:var(--navy);color:white
}
.app-showcase h3{font-size:2rem;line-height:1.1;margin:8px 0 12px}
.app-showcase p{color:#e1e8ed}
.app-window{padding:12px;background:#111d2a;border-radius:14px;border:1px solid rgba(40,114,250,.4);box-shadow:var(--shadow)}
.app-window img{border-radius:7px}

.learn{background:linear-gradient(180deg,#fafbfc,#f2f5f7)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
  padding:28px;border:1px solid var(--line);border-radius:18px;background:white;
  box-shadow:0 10px 25px rgba(25,42,61,.06)
}
.feature-image{
  height:320px;padding:14px;display:grid;place-items:center;overflow:hidden;
  border-radius:13px;background:#282828
}
.feature-image img{width:100%;height:100%;display:block;object-fit:contain}
.feature-code{
  height:320px;margin:0;padding:18px;overflow:auto;border-radius:13px;
  background:#282828;color:#c4e7f5;text-align:left;
  font:500 .76rem/1.55 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  tab-size:2
}
.feature-code code{font:inherit}
.syntax-function{color:#8fd3e8}
.syntax-keyword{color:#f2d264}
.syntax-string{color:#a99aff}
.syntax-number{color:#ef4b55}
.feature-card h3{font-size:1.25rem;margin:18px 0 8px}
.feature-card p{margin:0;color:var(--muted)}

.split-heading{display:flex;justify-content:space-between;gap:20px;align-items:end}
.text-link{color:var(--cyan-2);font-weight:800;white-space:nowrap}
.inside-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.sample-card{
  margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;
  box-shadow:0 12px 28px rgba(25,42,61,.07)
}
.sample-image{height:320px;padding:16px;background:#282828;display:grid;place-items:center;overflow:hidden}
.sample-image img{max-height:100%;object-fit:contain}
.sample-image.photo{padding:0}
.sample-image.photo img{width:100%;height:100%;object-fit:cover}
.sample-card figcaption{display:grid;gap:5px;padding:18px}
.sample-card figcaption span{font-size:.9rem;color:var(--muted)}

.transition{background:#fafbfc}
.transition-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:center}
.transition p{color:var(--muted);font-size:1.05rem}
.contrast-card{
  border:1px solid var(--line);border-radius:18px;background:white;padding:24px;
  display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center
}
.contrast-card small{font-weight:800}
.contrast-card pre{
  margin:12px 0;padding:14px;border-radius:12px;background:#f2f5f7;color:#3a4f66;
  font:500 .87rem/1.45 ui-monospace,SFMono-Regular,Menlo,monospace
}
.contrast-card em{color:#d85642;font-size:.82rem}
.contrast-arrow{font-size:2.2rem;color:var(--cyan)}
.mini-stack{display:grid;gap:7px;margin-top:12px}
.mini-stack span{
  padding:8px 10px;border:1px solid #9db9ed;border-radius:8px;text-align:center;background:#eef4ff
}

.editions{background:#f2f5f7}
.edition-grid{display:grid;grid-template-columns:1fr 1fr .72fr;gap:20px}
.edition-card,.sample-box{
  padding:26px;border-radius:18px;background:white;border:1px solid var(--line)
}
.edition-card{display:grid;grid-template-columns:auto 1fr;gap:20px}
.edition-symbol{font-size:2rem;color:var(--cyan)}
.edition-card h3,.sample-box h3{margin:0 0 5px;font-size:1.25rem}
.edition-card p,.sample-box p{color:var(--muted);margin-top:0}
.edition-card ul{padding-left:20px;color:var(--muted)}
.edition-card .btn{margin-top:6px}
.sample-box{background:linear-gradient(160deg,#192a3d,#2b4665);color:white;border-color:transparent}
.sample-box p{color:#e1e8ed}

.author{background:white}
.author-grid{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:center}
.author-book img{border-radius:18px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}
.author p{color:var(--muted);max-width:760px}
.author-note{font-size:1.15rem;font-weight:800;color:var(--ink)!important}

.footer{background:#192a3d;color:#e1e8ed;padding:24px 0}
.footer-row{display:flex;justify-content:space-between;gap:20px;font-size:.9rem}

@media (max-width:1050px){
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(330px,.8fr);gap:34px}
  .testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .workflow-row{overflow-x:auto;justify-content:start;padding-bottom:30px}
  .edition-grid{grid-template-columns:1fr 1fr}
  .sample-box{grid-column:1/-1}
}
@media (max-width:760px){
  .wrap{width:min(100% - 28px,var(--max))}
  nav{display:none}
  .nav{height:64px}
  .nav-cta{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding-block:38px}
  .hero-book{width:min(100%,560px);margin-inline:auto}
  .hero-copy{text-align:center}
  .hero h1{font-size:clamp(2.6rem,12vw,4rem);line-height:1.1}
  .hero-actions{justify-content:center}
  .purchase-btn{width:min(100%,340px)}
  .hero-sample{justify-content:center}
  .hero-badges{justify-content:center}
  .testimonials{padding:30px 0 34px}
  .testimonials-grid{grid-template-columns:1fr}
  .testimonial-card{min-height:0}
  .diagram-card{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:auto 1fr}
  .proof-note{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:18px 0 0}
  .feature-grid,.inside-grid,.transition-grid,.edition-grid,.app-showcase,.author-grid{grid-template-columns:1fr}
  .split-heading{display:block}
  .text-link{display:inline-block;margin-top:14px}
  .contrast-card{grid-template-columns:1fr}
  .contrast-arrow{transform:rotate(90deg);text-align:center}
  .edition-card{grid-template-columns:1fr}
  .sample-box{grid-column:auto}
  .section{padding:58px 0}
}