/* ============================================================================
   AI Business Automation Kit — Landing Page Styles
   Premium · Technical · Trustworthy · Business-focused
   ============================================================================ */

:root{
  --navy:#071634;
  --navy2:#0A1F44;
  --blue:#0B5CFF;
  --blue2:#2E76FF;
  --blue-soft:#E8F0FF;
  --white:#ffffff;
  --bg:#F5F8FC;
  --ink:#0B1220;
  --ink-2:#34405A;
  --muted:#5B6B85;
  --line:#DEE7F3;
  --amber:#F5A623;
  --rad:18px;
  --shadow-lg:0 24px 60px -22px rgba(7,22,52,.30);
  --shadow-sm:0 10px 30px -12px rgba(7,22,52,.16);
  --font-h:'Plus Jakarta Sans',Inter,system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-b:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:var(--font-b);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16.5px;overflow-x:hidden}
img{max-width:100%;display:block}
h1,h2,h3,h4,p,blockquote,figcaption,summary{overflow-wrap:break-word}
[class*="-inner"]>*,[class*="grid"]>*,.author-inner>*,.offer-body>*,.wf-grid>*,.wf-qual>*,.oldnew>*,.transform>*{min-width:0}
button{font-family:inherit;cursor:pointer}
a{color:var(--blue);text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.15;font-weight:800;letter-spacing:-.01em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Icons */
.ti{width:18px;height:18px;flex:none}
svg.ti{fill:none}

/* ---------- Buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-h);font-weight:700;border:none;border-radius:12px;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space:normal;text-align:center;line-height:1.25;max-width:100%;width:auto}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(180deg,var(--blue2),var(--blue));color:#fff;
  box-shadow:0 10px 26px -8px rgba(11,92,255,.6)}
.btn-primary:hover{box-shadow:0 14px 34px -8px rgba(11,92,255,.72);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--navy);border:2px solid var(--navy);box-shadow:none}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-lg{height:56px;padding:0 26px;font-size:16px}
.btn-xl{height:60px;padding:0 30px;font-size:17px}
.btn-sm{height:42px;padding:0 16px;font-size:14px}
.btn .ti{width:18px;height:18px}

/* ---------- Eyebrow ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:700;
  font-size:12.5px;letter-spacing:.16em;color:var(--blue2);text-transform:uppercase;margin-bottom:18px}
.eyebrow.dark{color:var(--blue)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--amber)}

/* ---------- Sections ---------- */
.section{padding:92px 0}
.section.dark{background:linear-gradient(180deg,var(--navy2),var(--navy));color:#fff}
.sec-head{max-width:820px;margin:0 auto 48px;text-align:center}
.sec-head.left{text-align:left;margin-left:0}
.sec-title{font-size:clamp(28px,4.4vw,44px);margin-bottom:16px;color:var(--ink)}
.sec-title.light{color:#fff}
.sec-title .accent{color:var(--blue2)}
.dark .sec-title .accent{color:var(--blue2)}
.sec-lead{font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);max-width:680px;margin:0 auto}
.sec-lead.light-lead{color:#C6D4EC}
.dark .sec-lead{color:#C6D4EC}
.sec-cta{display:flex;justify-content:center;margin-top:44px}

/* ---------- Nav ---------- */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-family:var(--font-h);font-weight:800;font-size:15px;line-height:1.1}
.brand .brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--navy));
  color:#fff;display:grid;place-items:center;flex:none}
.brand .brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column}
.brand-text span{font-size:11.5px;font-weight:600;color:var(--blue2)}
.nav-links{display:flex;gap:26px;margin-left:auto;margin-right:8px}
.nav-links a{color:var(--ink-2);font-weight:600;font-size:14.5px;position:relative}
.nav-links a:hover{color:var(--blue)}
.nav-cta{flex:none}
@media(max-width:900px){.nav-links{display:none}}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 700px at 78% -10%,#12306e 0%,var(--navy2) 45%,var(--navy) 100%);
  color:#fff;overflow:hidden;padding:70px 0 84px}
.hero-grid{position:absolute;inset:0;background-image:
  linear-gradient(rgba(46,118,255,.08) 1px,transparent 1px),
  linear-gradient(90deg,rgba(46,118,255,.08) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 60% 40%,#000 0%,transparent 75%);-webkit-mask-image:radial-gradient(circle at 60% 40%,#000 0%,transparent 75%)}
.hero-orbit{position:absolute;right:-120px;top:8%;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle at center,rgba(11,92,255,.35),transparent 62%);
  filter:blur(8px)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero-title{font-size:clamp(34px,5.2vw,58px);line-height:1.03;margin-bottom:20px;letter-spacing:-.02em}
.hero-title em{font-style:normal;color:var(--blue2);background:linear-gradient(120deg,var(--blue2),#7fb0ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:clamp(19px,2.2vw,25px);font-weight:600;color:#E7EEFB;max-width:560px;margin-bottom:16px;font-family:var(--font-h)}
.hero-desc{font-size:17px;color:#B9C9E6;max-width:560px;margin-bottom:28px}
.hero-desc strong{color:#fff;font-weight:700}
.hero-cta-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:18px}
.hero-trust{display:flex;align-items:center;gap:8px;color:#D7E3F7;font-size:14.5px;font-weight:600}
.hero-trust .ti{color:var(--blue2)}
.hero-audience{font-size:14px;color:#9FB3D6;margin-bottom:26px;font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:999px;padding:9px 14px;font-size:13.5px;font-weight:600;color:#E7EEFB}
.chip .ti{color:var(--blue2)}

/* Hero visual / 3D book */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:460px}
.book3d-wrap{position:relative;perspective:1400px}
.book3d{position:relative;width:300px;height:424px;transform-style:preserve-3d;transform:rotateY(-24deg);
  filter:drop-shadow(0 40px 50px rgba(0,0,0,.5))}
.book-front{position:absolute;inset:0;border-radius:6px 14px 14px 6px;overflow:hidden;background:var(--navy);
  box-shadow:inset -8px 0 18px rgba(0,0,0,.35)}
.book-front img{width:100%;height:100%;object-fit:cover}
.book-spine{position:absolute;top:0;bottom:0;left:-12px;width:12px;background:linear-gradient(90deg,#06122a,#0A1F44);
  transform:rotateY(90deg) translateZ(-150px) translateX(6px);border-radius:4px 0 0 4px}
.book-pages{position:absolute;top:4px;bottom:4px;right:-16px;width:16px;
  background:repeating-linear-gradient(90deg,#eef3fa 0 2px,#dfe8f4 2px 4px);
  transform:rotateY(-90deg) translateZ(6px) translateX(-8px)}
.float-card{position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);
  padding:10px 14px;font-family:var(--font-h);font-weight:800;font-size:13px;color:var(--navy);display:flex;align-items:center;gap:8px}
.fc-1{top:-16px;left:-36px;animation:float 5s ease-in-out infinite}
.fc-2{top:16px;right:-30px;flex-direction:column;gap:0;padding:10px 16px;animation:float 6s ease-in-out 1s infinite}
.fc-2 .fc-num{font-size:24px;line-height:1;color:var(--blue)}
.fc-2 .fc-label{font-size:11px;color:var(--muted);font-weight:600}
.fc-1 .fc-label{display:flex;align-items:center;gap:7px}
.fc-1 .ti{color:var(--blue)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- Reframe ---------- */
.reframe{background:var(--white);border-bottom:1px solid var(--line)}
.reframe-inner{padding:46px 0;text-align:center}
.reframe-q{font-family:var(--font-h);font-weight:800;font-size:clamp(22px,3.4vw,34px);color:var(--navy);margin-bottom:14px}
.reframe-arrow{font-family:var(--font-h);font-weight:700;font-size:15px;color:var(--blue2);letter-spacing:.02em}

/* ---------- Problem ---------- */
.problem{background:var(--white)}
.problem .sec-lead{max-width:720px}
.oldnew{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:stretch;max-width:1000px;margin:44px auto 40px}
.vs{align-self:center;font-family:var(--font-h);font-weight:800;color:var(--blue);background:var(--blue-soft);
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:14px}
.compare{border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.compare-head{padding:18px 22px;border-bottom:1px solid var(--line)}
.compare-tag{font-family:var(--font-h);font-weight:800;letter-spacing:.12em;font-size:13px;display:block;margin-bottom:4px}
.old-tag{color:#B45309}
.new-tag{color:var(--blue)}
.compare-sub{color:var(--muted);font-size:13.5px}
.steps{padding:8px 22px 22px}
.steps li{position:relative;padding:12px 0 12px 30px;border-bottom:1px dashed var(--line);font-weight:600;color:var(--ink-2)}
.steps li:last-child{border-bottom:none}
.steps li::before{content:"";position:absolute;left:2px;top:19px;width:10px;height:10px;border-radius:50%;
  background:var(--blue-soft);border:2px solid var(--blue)}
.steps li.bad{color:#B45309}
.steps li.bad::before{background:#fff4e6;border-color:#F5A623}
.steps li.good{color:var(--blue);font-family:var(--font-h);font-weight:800}
.steps li.good::before{background:var(--blue);border-color:var(--blue)}
.problem-line{text-align:center;font-size:clamp(18px,2.2vw,24px);font-family:var(--font-h);font-weight:800;color:var(--navy)}
.problem-line strong{color:var(--blue)}

/* ---------- Cards grid ---------- */
.cardgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.what-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:26px 24px;
  transition:transform .2s ease, box-shadow .2s ease;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.what-card{padding-top:34px}
.card-num{position:absolute;top:16px;right:20px;font-family:var(--font-h);font-weight:800;font-size:15px;color:#B9C8E0}
.card-ico{width:46px;height:46px;border-radius:12px;background:var(--blue-soft);color:var(--blue);
  display:grid;place-items:center;margin-bottom:16px}
.card-ico .ti{width:22px;height:22px}
.card h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.card p{color:var(--ink-2);font-size:15px}

/* ---------- Categories ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--rad);padding:26px;
  transition:transform .2s ease,background .2s ease;position:relative}
.cat-card:hover{background:rgba(255,255,255,.07);transform:translateY(-4px)}
.cat-num{font-family:var(--font-h);font-weight:800;font-size:13px;color:var(--blue2);letter-spacing:.1em}
.cat-card h3{color:#fff;font-size:19px;margin:8px 0 4px}
.cat-card p{color:#8FA6CC;font-size:13px;margin-bottom:14px;font-family:var(--font-h);font-weight:600}
.cat-card ul li{position:relative;padding:7px 0 7px 20px;color:#C6D4EC;font-size:14.5px}
.cat-card ul li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;border-radius:50%;background:var(--blue2)}
.cat-note{text-align:center;color:#8FA6CC;margin-top:30px;font-weight:500}

/* ---------- Gallery ---------- */
.gallery-wrap{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.gallery{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;scroll-behavior:smooth;
  scrollbar-width:thin}
.g-item{flex:0 0 auto;width:240px;scroll-snap-align:start;text-align:center}
.g-zoom{position:relative;display:block;width:100%;border:none;background:#fff;border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);cursor:zoom-in}
.g-zoom img{width:100%;height:auto;transition:transform .4s ease}
.g-zoom:hover img{transform:scale(1.04)}
.g-zoom .zoom-badge{position:absolute;right:10px;bottom:10px;background:rgba(7,22,52,.72);color:#fff;border-radius:8px;
  width:32px;height:32px;display:grid;place-items:center}
.g-zoom .zoom-badge .ti{width:16px;height:16px}
.g-item figcaption{font-size:13.5px;color:var(--muted);font-weight:600;margin-top:12px}
.gallery-nav{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}
.g-arrow{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;
  color:var(--navy);box-shadow:var(--shadow-sm)}
.g-arrow .ti{width:20px;height:20px}
.g-arrow.g-next .ti{transform:rotate(180deg)}
.g-arrow:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ---------- Workflow deep dive ---------- */
.wf-flow{display:flex;align-items:stretch;gap:0;margin:36px 0 40px;flex-wrap:wrap}
.wf-step{flex:1;min-width:130px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;
  text-align:center;box-shadow:var(--shadow-sm);position:relative}
.wf-t{display:block;font-family:var(--font-h);font-weight:800;font-size:13px;color:var(--blue);letter-spacing:.06em;margin-bottom:8px}
.wf-step span:not(.wf-t){font-size:13px;color:var(--ink-2)}
.wf-link{width:26px;height:2px;background:var(--blue2);align-self:center;flex:none;position:relative}
.wf-link::after{content:"";position:absolute;right:-1px;top:-4px;border-left:6px solid var(--blue2);border-top:5px solid transparent;border-bottom:5px solid transparent}
.wf-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:26px}
.wf-anatomy{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:8px 22px}
.wf-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.wf-row:last-child{border-bottom:none}
.wf-row .k{font-family:var(--font-h);font-weight:800;color:var(--navy);font-size:13px;padding-top:2px}
.wf-row .v{color:var(--ink-2)}
.wf-sample{background:var(--navy2);border-radius:var(--rad);padding:22px;color:#E7EEFB}
.sample-head{font-family:var(--font-h);font-weight:800;font-size:13px;letter-spacing:.08em;color:var(--blue2);margin-bottom:14px}
.sample-note{color:#8FA6CC;font-weight:500}
.prompt-box{background:#0A1A3A;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:18px;font-size:13.5px}
.p-role{color:#fff;margin-bottom:10px}
.p-label{font-weight:700;color:#9FC0FF;font-size:12px;letter-spacing:.05em;margin:10px 0 6px}
.p-list{list-style:none;padding-left:2px}
.p-list li{padding:2px 0;color:#C6D4EC}
.p-list ol li{color:#C6D4EC}
.p-code{background:#0D2149;border-radius:8px;padding:10px;color:#9FC0FF;font-family:var(--font-h);font-weight:600;margin:6px 0}
.p-rule{color:#8FA6CC;font-size:12.5px;margin-top:12px;border-top:1px solid rgba(255,255,255,.1);padding-top:10px}
.wf-qual{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.qual-col{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:22px}
.qual-head{display:flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:800;font-size:13px;letter-spacing:.06em;color:var(--blue);margin-bottom:12px}
.qual-head .ti{width:16px;height:16px}
.qual-col p{font-size:14.5px;color:var(--ink-2);margin-bottom:12px}
.qual-col p em{color:var(--navy);font-style:normal;font-weight:700}
.qual-head.tip{margin-top:8px;color:#B45309}
@media(max-width:860px){.wf-grid,.wf-qual{grid-template-columns:1fr}}

/* ---------- Advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:18px}
.adv-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--rad);padding:28px;position:relative}
.adv-num{position:absolute;top:22px;right:24px;font-family:var(--font-h);font-weight:800;font-size:13px;color:var(--blue2);letter-spacing:.1em}
.adv-card h3{color:#fff;font-size:19px;margin-bottom:10px;padding-right:40px}
.adv-card p{color:#C6D4EC;font-size:15px}

/* ---------- Audience ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.aud-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:28px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.aud-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.aud-ico{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center}
.aud-ico .ti{width:24px;height:24px}
.aud-card h3{font-size:17px;margin-bottom:8px}
.aud-card p{color:var(--muted);font-size:14.5px;font-style:italic}
.aud-note{text-align:center;color:var(--muted);font-weight:500;margin-top:30px}
@media(max-width:1000px){.aud-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Playbooks ---------- */
.pb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pb-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:26px;box-shadow:var(--shadow-sm)}
.pb-card h3{font-size:18px;margin-bottom:16px;color:var(--navy)}
.pb-card>div{font-size:14.5px;color:var(--ink-2);margin-bottom:12px}
.pb-tag{display:inline-block;font-family:var(--font-h);font-weight:800;font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-2);border-radius:6px;padding:3px 8px;margin-bottom:4px}
.pb-tag.blue{background:var(--blue-soft);border-color:#c9dcff;color:var(--blue)}
.pb-tag.amber{background:#fff6e6;border-color:#f6ddb0;color:#B45309}
@media(max-width:860px){.pb-grid{grid-template-columns:1fr}}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px;position:relative}
.tl-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--rad);padding:26px;position:relative}
.tl-week{font-family:var(--font-h);font-weight:800;font-size:12px;letter-spacing:.12em;color:var(--blue2);margin-bottom:12px}
.tl-item h3{color:#fff;font-size:18px;margin-bottom:10px}
.tl-item p{color:#C6D4EC;font-size:14.5px}
.plan-principle{background:linear-gradient(120deg,rgba(11,92,255,.22),rgba(46,118,255,.10));
  border:1px solid rgba(46,118,255,.35);border-radius:var(--rad);padding:30px;text-align:center}
.pp-label{font-family:var(--font-h);font-weight:800;font-size:12px;letter-spacing:.14em;color:var(--blue2)}
.pp-text{font-family:var(--font-h);font-weight:800;font-size:clamp(22px,3vw,32px);color:#fff;margin:8px 0}
.pp-sub{color:#C6D4EC;max-width:560px;margin:0 auto}
@media(max-width:900px){.timeline{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.timeline{grid-template-columns:1fr}}

/* ---------- Audit ---------- */
.audit{background:var(--white)}
.audit-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.audit-copy .sec-lead{margin:0 0 26px}
.audit-note{color:var(--muted);font-size:14px;margin-top:14px}
.audit-form{display:flex;justify-content:center}
.form-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:28px;box-shadow:var(--shadow-lg)}
.form-title{font-family:var(--font-h);font-weight:800;font-size:16px;color:var(--navy);margin-bottom:16px;display:block}
.form-list li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);color:var(--ink-2);font-size:15px}
.form-list li .ti{color:var(--blue)}
.form-list .req,.form-list .opt{margin-left:auto;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.form-list .req{color:#B45309}
.form-list .opt{color:var(--muted)}
.form-foot{font-size:12.5px;color:var(--muted);margin-top:16px}
@media(max-width:900px){.audit-inner{grid-template-columns:1fr}}

/* ---------- Value stack ---------- */
.vstack{max-width:920px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.vstack-head{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:24px 30px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.vstack-head span{font-family:var(--font-h);font-weight:800;font-size:17px;letter-spacing:.02em}
.vstack-sub{font-weight:600;font-size:12.5px;color:#9FB3D6}
.vstack-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;padding:26px 30px}
.vgroup-label{font-family:var(--font-h);font-weight:800;font-size:12px;letter-spacing:.1em;color:var(--blue);margin-bottom:10px}
.vgroup ul li{position:relative;padding:6px 0 6px 20px;color:var(--ink-2);font-size:14px}
.vgroup ul li::before{content:"";position:absolute;left:0;top:13px;width:9px;height:9px;border-radius:50%;background:var(--blue-soft);border:2px solid var(--blue)}

/* ---------- Quality control ---------- */
.qc-flow{display:flex;align-items:center;gap:0;justify-content:center;margin:36px auto 40px;flex-wrap:wrap;max-width:900px}
.qc-step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 22px;font-family:var(--font-h);
  font-weight:800;font-size:14px;color:var(--navy);box-shadow:var(--shadow-sm);text-align:center}
.qc-step.good{background:var(--navy);color:#fff;border-color:var(--navy)}
.qc-gate{display:flex;align-items:center;gap:8px;background:var(--blue-soft);border:1px solid #c9dcff;border-radius:12px;padding:12px 16px;
  font-family:var(--font-h);font-weight:800;font-size:12px;color:var(--blue)}
.qc-link{width:24px;height:2px;background:var(--line)}
@media(max-width:700px){.qc-flow{gap:8px}.qc-link,.qc-gate{display:none}}
.qc-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:34px}
.qc-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:22px;text-align:center;box-shadow:var(--shadow-sm)}
.qc-ico{width:42px;height:42px;margin:0 auto 12px;border-radius:11px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center}
.qc-ico .ti{width:20px;height:20px}
.qc-card h3{font-size:15px;letter-spacing:.06em;margin-bottom:8px}
.qc-card p{font-size:13.5px;color:var(--ink-2)}
.trust-note{max-width:820px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:var(--rad);padding:26px 30px;color:var(--ink-2);font-size:15px}
.trust-note p{margin-bottom:10px}
.trust-note .muted{color:var(--muted);font-size:13.5px;margin-bottom:0}

/* ---------- Imagine / transform ---------- */
.imagine-inner{max-width:760px;margin:0 auto 40px;text-align:center}
.imagine-text{font-family:var(--font-h);font-weight:600;font-size:clamp(18px,2.4vw,24px);color:#E7EEFB}
.transform{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:860px;margin:0 auto}
.tf{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--rad);padding:26px}
.tf-tag{font-family:var(--font-h);font-weight:800;font-size:12px;letter-spacing:.14em}
.tf.from .tf-tag{color:#F5A623}
.tf.to .tf-tag{color:var(--blue2)}
.tf p{font-family:var(--font-h);font-weight:800;font-size:17px;color:#fff;margin:10px 0 16px}
.tf ul li{position:relative;padding:7px 0 7px 22px;color:#C6D4EC;font-size:15px}
.tf ul li::before{content:"";position:absolute;left:2px;top:15px;width:8px;height:8px;border-radius:50%;background:var(--blue2)}
.tf.to ul li::before{background:var(--blue)}
@media(max-width:700px){.transform{grid-template-columns:1fr}}

/* ---------- Author ---------- */
.author-inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:start}
.author-photo{position:relative}
.author-photo img{border-radius:20px;box-shadow:var(--shadow-lg);width:100%;object-fit:cover;aspect-ratio:2/3}
.author-name-card{position:absolute;bottom:-18px;left:20px;right:20px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-lg);padding:14px 18px;display:flex;flex-direction:column}
.author-name-card strong{font-family:var(--font-h);font-size:17px;color:var(--navy)}
.author-name-card span{font-size:13px;color:var(--muted)}
.author-copy .quote{font-family:var(--font-h);font-weight:700;font-size:clamp(18px,2.2vw,23px);color:var(--navy);
  border-left:4px solid var(--blue);padding-left:18px;margin:22px 0;line-height:1.4}
.author-p{color:var(--ink-2);font-size:16px;margin-bottom:16px}
.author-role{font-family:var(--font-h);font-weight:800;color:var(--blue);margin-top:18px}
.author-role span{color:var(--line);margin:0 6px}
@media(max-width:860px){.author-inner{grid-template-columns:1fr}.author-photo{width:100%;max-width:min(360px,100%);margin:0 auto 40px}}

/* ---------- Offer card ---------- */
.offer-card{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg)}
.offer-head{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:32px 34px;text-align:center}
.offer-title{font-size:clamp(24px,3.4vw,34px);color:#fff}
.offer-sub{color:#9FB3D6;font-family:var(--font-h);font-weight:600;font-size:14px}
.offer-body{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;padding:34px}
.offer-list li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-weight:600;color:var(--ink-2);font-size:15.5px}
.offer-list li:last-child{border-bottom:none}
.offer-list .ti{color:var(--blue)}
.offer-cta{display:flex;flex-direction:column;justify-content:center;gap:16px;padding:8px 10px;border-left:1px solid var(--line)}
.price-row{display:flex;align-items:baseline;gap:10px}
.price-note{color:var(--muted);font-size:14px;font-weight:600}
.price{font-family:var(--font-h);font-weight:800;font-size:34px;color:var(--navy)}
.offer-reassure{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13.5px;font-weight:500}
.offer-reassure .ti{color:var(--blue)}
@media(max-width:760px){.offer-body{grid-template-columns:1fr}.offer-cta{border-left:none;border-top:1px solid var(--line);padding-top:20px}}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-family:var(--font-h);font-weight:700;font-size:16.5px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ti{width:20px;height:20px;color:var(--blue);transition:transform .25s ease}
.faq-item[open] summary .ti{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--blue)}
.faq-item p{padding:0 24px 22px;color:var(--ink-2);font-size:15px}

/* ---------- Final CTA ---------- */
.final{background:radial-gradient(900px 500px at 50% -10%,#12306e 0%,var(--navy2) 50%,var(--navy) 100%);color:#fff;text-align:center}
.final-title{font-size:clamp(28px,4.6vw,48px);margin-bottom:26px;line-height:1.12}
.final-sub{font-family:var(--font-h);font-weight:600;font-size:clamp(17px,2vw,21px);color:#D7E3F7;line-height:1.7;margin-bottom:36px}
.final-cta{display:flex;flex-direction:column;align-items:center;gap:16px;margin-bottom:44px}
.final-cta .btn-outline{color:#fff;border-color:#4a6cb3}
.final-cta .btn-outline:hover{background:#fff;color:var(--navy)}
.final-author{display:flex;align-items:center;justify-content:center;gap:16px}
.final-author img{width:64px;height:64px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.3)}
.final-author-text{text-align:left}
.final-author-text strong{display:block;font-family:var(--font-h);font-size:16px;color:#fff}
.final-author-text span{color:#9FB3D6;font-size:13px}

/* ---------- Footer ---------- */
.footer{background:var(--navy);color:#9FB3D6;border-top:1px solid rgba(255,255,255,.08)}
.footer-inner{padding:48px 24px;display:grid;gap:28px}
.footer-brand{display:flex;align-items:center;gap:12px;font-family:var(--font-h);font-weight:800;color:#fff;font-size:15px}
.footer-brand small{font-weight:500;color:#7d93ba;font-size:12px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--blue2),var(--blue))}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-links a{color:#C6D4EC;font-weight:600;font-size:14.5px}
.footer-links a:hover{color:#fff}
.footer-legal p{font-size:12.5px;line-height:1.7;max-width:640px}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;align-items:center;gap:14px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:12px 16px;
  box-shadow:0 -10px 30px -12px rgba(7,22,52,.22)}
.sticky-cta .btn{flex:none;height:48px;padding:0 18px;font-size:15px;flex:1;max-width:230px}
.sticky-info{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.sticky-name{font-family:var(--font-h);font-weight:800;font-size:13px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-price{font-size:14px;color:var(--blue);font-weight:700}
@media(max-width:820px){.sticky-cta{display:flex}body{padding-bottom:76px}}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(7,22,52,.95);display:flex;align-items:center;justify-content:center;
  padding:30px;cursor:zoom-out;animation:lbFade .22s ease}
@keyframes lbFade{from{opacity:0}to{opacity:1}}
/* Defensive: native [hidden] must always win over display:flex above.
   Prevents the lightbox from showing on page load. */
.lightbox[hidden]{display:none !important}
.lb-stage{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:92vw;max-height:88vh}
.lb-stage img{max-width:92vw;max-height:82vh;border-radius:10px;box-shadow:var(--shadow-lg);object-fit:contain;background:#fff}
.lb-cap{color:#D7E3F7;font-family:var(--font-h);font-weight:600;font-size:14px;text-align:center}
.lb-close{position:fixed;top:20px;right:24px;background:rgba(255,255,255,.12);border:none;color:#fff;width:46px;height:46px;
  border-radius:50%;font-size:26px;line-height:1;z-index:3}
.lb-close:hover{background:rgba(255,255,255,.24)}
.lb-nav{position:fixed;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:12px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);color:#fff;display:grid;place-items:center;z-index:3;cursor:pointer}
.lb-nav:hover{background:rgba(255,255,255,.24)}
.lb-nav:disabled{opacity:.35;cursor:default}
.lb-prev{left:20px}.lb-next{right:20px}
.lb-next .ti{transform:rotate(180deg)}
@media(max-width:640px){.lb-nav{top:auto;bottom:74px;width:46px;height:46px}.lb-close{top:16px;right:16px}}
@media(max-width:420px){.lb-prev{left:10px}.lb-next{right:10px}}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:300;background:var(--navy);color:#fff;
  padding:14px 20px;border-radius:12px;font-size:14.5px;font-family:var(--font-h);font-weight:600;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.12);max-width:90vw;text-align:center}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- Responsive hero ---------- */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-copy{max-width:640px;margin:0 auto}
  .hero-sub,.hero-desc{margin-left:auto;margin-right:auto}
  .hero-cta-row{justify-content:center}
  .chips{justify-content:center}
  .hero-audience{margin-bottom:24px}
  .hero-visual{margin-top:10px;min-height:380px}
  .book3d{width:250px;height:354px}
}
@media(max-width:560px){
  .section{padding:64px 0}
  .hero{padding:48px 0 56px}
  .hero-visual{min-height:300px}
  .book3d{width:210px;height:297px}
  .oldnew{grid-template-columns:1fr}
  .vs{margin:0 auto}
  .cat-grid{grid-template-columns:1fr}
  .sec-title{letter-spacing:-.01em}
}

@media(min-width:1440px){
  :root{--maxw:1240px}
}