/* ============================================================
   Refract — design system & product styles
   ============================================================ */

:root{
  --brand:#4F46E5;
  --brand-dark:#4338CA;
  --brand-soft:#EEF0FF;
  --cyan:#06B6D4;
  --accent:#F97316;
  --green:#10B981;
  --ink:#0B1020;
  --body:#3C465E;
  --muted:#6B7690;
  --line:#E7EAF2;
  --soft:#F7F8FC;
  --white:#fff;
  --radius:18px;
  --radius-sm:11px;
  --shadow-sm:0 2px 10px rgba(15,23,42,.05);
  --shadow:0 14px 44px rgba(15,23,42,.09);
  --shadow-lg:0 28px 80px rgba(15,23,42,.14);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans CJK SC','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --display:'Plus Jakarta Sans','Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans CJK SC','Segoe UI',sans-serif;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:94px}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--white);-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,h5{font-family:var(--display);color:var(--ink);line-height:1.14;letter-spacing:-.028em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:#DCD9FF;color:#221C66}

.container{width:min(var(--maxw),calc(100% - 48px));margin-inline:auto}
.muted{color:var(--muted)}
.grad{background:linear-gradient(100deg,var(--brand) 0%,#7C3AED 45%,var(--cyan) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.strike{text-decoration:line-through;text-decoration-color:var(--accent);text-decoration-thickness:3px;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:11px;font-weight:650;font-size:14.5px;padding:12px 20px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;white-space:nowrap;line-height:1.2}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,#5B52F0,#4338CA);color:#fff;box-shadow:0 8px 22px rgba(79,70,229,.28)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(79,70,229,.38)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:#C9C6F5;box-shadow:0 8px 22px rgba(15,23,42,.08)}
.btn-ghost{background:transparent;color:var(--body)}
.btn-ghost:hover{background:var(--soft)}
.btn-white{background:#fff;color:#312A9C;box-shadow:0 10px 30px rgba(0,0,0,.16)}
.btn-sm{padding:9px 15px;font-size:13.5px;border-radius:9px}
.btn-lg{padding:15px 26px;font-size:15.5px;border-radius:12px}
.btn-full{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.kicker{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:18px}
.kicker.light{color:#C7C2FF}
.section{padding:104px 0}
.section-head{max-width:740px;margin-bottom:56px}
.section-head.center{text-align:center;margin-inline:auto}
.section-head h2{font-size:clamp(32px,4.2vw,50px);font-weight:800;margin-bottom:18px}
.section-head p{font-size:17px;color:var(--muted);max-width:660px}
.section-head.center p{margin-inline:auto}

/* ---------- announce ---------- */
.announce{background:linear-gradient(90deg,#211C58,#4338CA 55%,#0E7490);color:#fff;display:flex;align-items:center;justify-content:center;gap:12px;padding:9px 20px;font-size:13px;font-weight:500;position:relative;z-index:60}
.announce-pill{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.28);font-size:10px;font-weight:800;letter-spacing:.1em;padding:2px 8px;border-radius:5px}
.announce a{font-weight:750;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 24px rgba(15,23,42,.05)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:-.04em;color:var(--ink);flex-shrink:0}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,#5B52F0,#4338CA);display:flex;align-items:center;justify-content:center;gap:2.5px;box-shadow:0 5px 14px rgba(79,70,229,.3);transform:rotate(-8deg)}
.brand-mark i{display:block;width:3.5px;border-radius:2px;background:#fff;transform:skewX(-16deg)}
.brand-mark i:nth-child(1){height:9px;opacity:.7}
.brand-mark i:nth-child(2){height:16px}
.brand-mark i:nth-child(3){height:11px;background:#8BE9F7;opacity:.95}
.main-nav{display:flex;gap:30px;margin-left:auto}
.main-nav a{font-size:14px;font-weight:600;color:#48536B;transition:color .18s}
.main-nav a:hover{color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;margin-left:auto}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---------- hero ---------- */
.hero{position:relative;padding:74px 0 0;overflow:hidden}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0}
.hero-glow-a{width:620px;height:620px;top:-250px;right:-160px;background:radial-gradient(circle,rgba(99,102,241,.20),transparent 68%)}
.hero-glow-b{width:520px;height:520px;top:220px;left:-260px;background:radial-gradient(circle,rgba(6,182,212,.14),transparent 68%)}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(79,70,229,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(79,70,229,.045) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent 78%);-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent 78%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:56px;align-items:center;padding-bottom:78px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:650;color:#4A5470;margin-bottom:26px}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(16,185,129,.14)}
.hero h1{font-size:clamp(42px,5.1vw,66px);font-weight:800;margin-bottom:22px;letter-spacing:-.045em}
.hero h1 em{font-style:normal;position:relative;color:var(--brand)}
.hero-sub{font-size:17.5px;line-height:1.75;color:#525D76;max-width:540px;margin-bottom:30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:15px}
.hero-note{font-size:12.5px;color:var(--muted);margin-bottom:34px}
.play{font-size:10px;color:var(--brand)}
.hero-proof{display:flex;align-items:center;gap:14px;padding-top:22px;border-top:1px solid var(--line)}
.avatars{display:flex;padding-left:8px}
.avatars span{width:32px;height:32px;border-radius:50%;border:2.5px solid #fff;margin-left:-8px;display:grid;place-items:center;font-size:10px;font-weight:800;color:#fff;background:linear-gradient(135deg,#8B7CF8,#4F46E5)}
.avatars span:nth-child(2){background:linear-gradient(135deg,#22D3EE,#0E7490)}
.avatars span:nth-child(3){background:linear-gradient(135deg,#FB923C,#EA580C)}
.avatars span:nth-child(4){background:linear-gradient(135deg,#34D399,#059669)}
.avatars span:nth-child(5){background:#EEF0FF;color:var(--brand)}
.proof-text{font-size:13px;color:var(--muted)}
.proof-text strong{color:var(--ink)}
.stars{color:#F59E0B;letter-spacing:1px;font-size:13px}

/* hero window */
.hero-visual{position:relative}
.window{background:#fff;border:1px solid #E4E7F1;border-radius:16px;box-shadow:0 32px 80px rgba(30,27,90,.16),0 4px 14px rgba(15,23,42,.06);overflow:hidden;transform:perspective(1200px) rotateY(-3deg) rotateX(1.5deg)}
.window-bar{height:42px;background:#F8F9FC;border-bottom:1px solid #E9ECF4;display:flex;align-items:center;padding:0 15px;gap:14px}
.dots{display:flex;gap:5px}
.dots i{width:8px;height:8px;border-radius:50%;background:#FF6058}
.dots i:nth-child(2){background:#FFBD2E}
.dots i:nth-child(3){background:#28C840}
.window-title{font-size:11.5px;color:#8A93A9;font-weight:600;background:#fff;border:1px solid #E9ECF4;padding:3px 22px;border-radius:6px;margin-inline:auto}
.window-badge{font-size:10.5px;font-weight:700;color:#0F766E;background:#D7F5EE;padding:3px 9px;border-radius:20px;display:flex;align-items:center;gap:5px}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.window-body{display:grid;grid-template-columns:1fr 30px 1.05fr;gap:8px;padding:20px;background:linear-gradient(160deg,#FBFCFF,#F5F6FD)}
.mini-label{display:flex;justify-content:space-between;font-size:9.5px;font-weight:800;letter-spacing:.12em;color:#8A93A9;margin-bottom:11px}
.mini-count{font-weight:600;letter-spacing:0}
.mini-doc{background:#fff;border:1px solid #E9ECF4;border-radius:9px;padding:14px;box-shadow:var(--shadow-sm)}
.skel{height:6px;border-radius:4px;background:#EBEEF6;margin-bottom:8px}
.skel-title{height:11px;width:62%;background:#DDE1F3;margin-bottom:14px}
.w92{width:92%}.w78{width:78%}.w96{width:96%}.w64{width:64%}.w88{width:88%}
.mini-generate{margin-top:12px;background:linear-gradient(135deg,#5B52F0,#4338CA);color:#fff;text-align:center;font-size:11.5px;font-weight:700;padding:9px;border-radius:8px;box-shadow:0 6px 16px rgba(79,70,229,.25)}
.mini-arrow{display:grid;place-items:center;color:#B7BED4;font-size:20px;font-weight:700}
.mini-outputs{display:grid;gap:9px}
.mini-card{background:#fff;border:1px solid #E9ECF4;border-radius:9px;padding:11px 12px;box-shadow:var(--shadow-sm)}
.mini-card p{font-size:10.5px;line-height:1.5;color:#2E3850;font-weight:600;margin-top:7px}
.mini-card .mini-fade{color:#9AA3B8;font-weight:400;margin-top:4px}
.mini-card-peek{opacity:.72}
.mini-card-head{display:flex;align-items:center;gap:7px;font-size:10.5px;font-weight:750;color:#3A4460}
.mini-ok{margin-left:auto;color:var(--green);font-weight:800}
.pf-icon{width:20px;height:20px;border-radius:6px;display:inline-grid;place-items:center;font-size:11px;font-weight:800;color:#fff;flex-shrink:0;font-family:var(--font)}
.pf-x{background:#111827}.pf-in{background:#0A66C2}.pf-ig{background:linear-gradient(135deg,#F9CE34,#E1306C,#833AB4)}.pf-mail{background:#6366F1}.pf-yt{background:#FF0033}.pf-th{background:#101010}.pf-tt{background:#010101}.pf-fb{background:#1877F2}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:11px 15px;display:flex;align-items:center;gap:10px;font-size:11px;animation:float 5s ease-in-out infinite}
.float-chip span{font-size:18px}
.float-chip strong{display:block;color:var(--ink);font-size:13px;font-family:var(--display)}
.float-chip small{color:var(--muted);font-size:10.5px}
.float-chip-a{top:-24px;right:-26px}
.float-chip-b{bottom:-26px;left:-34px;animation-delay:1.4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

.trust-strip{position:relative;z-index:2;padding:26px 0 44px;border-top:1px solid var(--line);display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.trust-label{font-size:10.5px;font-weight:800;letter-spacing:.15em;color:#98A1B5;white-space:nowrap}
.trust-logos{display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.trust-logos span{font-size:14px;font-weight:700;color:#7C869C;display:flex;align-items:center;gap:7px;transition:color .2s}
.trust-logos span:hover{color:var(--ink)}
.trust-logos b{font-size:16px;color:#B6BDCD;font-weight:800}

/* ---------- stats ---------- */
.stats-section{background:linear-gradient(135deg,#17143F,#2A2270 55%,#0E5A70);color:#fff;padding:44px 0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;border-right:1px solid rgba(255,255,255,.13)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-family:var(--display);font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.04em;color:#fff}
.stat span{font-size:12.5px;color:#C3C0E8}

/* ---------- pain & features ---------- */
.pain-section{background:var(--soft)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:26px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.pain-icon{font-size:26px;display:block;margin-bottom:16px}
.pain-card h3{font-size:18px;margin-bottom:9px}
.pain-card p{font-size:14px;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:52px}
.feature-card{background:#fff;padding:32px 30px;position:relative;transition:background .2s}
.feature-card:hover{background:#FBFAFF}
.f-num{font-family:var(--display);font-size:12px;font-weight:800;color:#B9B2FF;letter-spacing:.1em}
.feature-card h3{font-size:18px;margin:14px 0 10px}
.feature-card p{font-size:14px;color:var(--muted)}
.f-tag{display:inline-block;margin-top:18px;font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:20px}

/* ---------- how ---------- */
.how-section{background:#fff}
.steps{display:grid;grid-template-columns:1fr 54px 1fr 54px 1fr;align-items:center;gap:0}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;position:relative;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step-num{position:absolute;top:-15px;left:26px;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#5B52F0,#4338CA);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:13px;box-shadow:0 6px 14px rgba(79,70,229,.3)}
.step-icon{font-size:28px;margin-bottom:16px;display:block}
.step h3{font-size:19px;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted)}
.step-line{height:2px;background:repeating-linear-gradient(90deg,#C9C5F5 0 7px,transparent 7px 14px);margin:0 10px}
.how-cta{margin-top:48px;display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}
.how-cta span{font-size:13px;color:var(--muted)}

/* ---------- showcase ---------- */
.showcase-section{background:var(--soft)}
.showcase{display:grid;grid-template-columns:340px 1fr;gap:22px;align-items:stretch}
.showcase-source{background:linear-gradient(160deg,#211C58,#37307F);color:#fff;border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.sc-label{font-size:10.5px;font-weight:800;letter-spacing:.16em;color:#A9A2EE;margin-bottom:22px}
.showcase-source h4{color:#fff;font-size:21px;margin-bottom:14px}
.showcase-source p{font-size:14px;color:#CBC7EE;line-height:1.7;flex:1}
.sc-meta{font-size:11.5px;color:#9E97DB;margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14)}
.sc-arrow{margin-top:20px;background:rgba(255,255,255,.1);border-radius:10px;padding:11px;text-align:center;font-size:12.5px;font-weight:700;display:flex;justify-content:center;gap:9px;color:#DDD9FF}
.sc-arrow span:first-child{color:#8BE9F7}
.showcase-results{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.result-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 19px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.result-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.rc-head{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--ink);margin-bottom:12px}
.rc-head b{font-family:var(--display)}
.rc-chars{margin-left:auto;font-size:10.5px;color:#98A1B5;font-weight:600}
.rc-body{font-size:12.5px;line-height:1.7;color:#4B5671;white-space:pre-line}
.showcase-cta{margin-top:32px;display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
.showcase-cta span{font-size:13px;color:var(--muted)}

/* ---------- testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.testi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin:0;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.testi .stars{font-size:14px;margin-bottom:16px}
.testi blockquote{margin:0 0 24px;font-size:15px;line-height:1.75;color:#3C465E;flex:1}
.testi figcaption{display:flex;align-items:center;gap:11px;padding-top:18px;border-top:1px solid var(--line)}
.t-av{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#DDD9FF,#B9B0FF);color:#37307F;display:grid;place-items:center;font-size:11px;font-weight:800}
.testi figcaption strong{display:block;font-size:13.5px;color:var(--ink)}
.testi figcaption small{font-size:11.5px;color:var(--muted)}

/* ---------- pricing ---------- */
.pricing-section{background:#fff}
.billing-toggle{display:inline-flex;background:var(--soft);border:1px solid var(--line);border-radius:11px;padding:4px;gap:3px;margin-top:30px}
.bill-btn{border:0;background:transparent;color:var(--muted);font-size:13.5px;font-weight:650;padding:9px 18px;border-radius:8px;transition:.2s;display:flex;align-items:center;gap:8px}
.bill-btn.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.save-badge{background:#DCF7EC;color:#087A54;font-size:10px;font-weight:800;padding:3px 7px;border-radius:20px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;display:flex;flex-direction:column;position:relative;box-shadow:var(--shadow-sm)}
.price-card.featured{border:2px solid var(--brand);box-shadow:0 22px 56px rgba(79,70,229,.16);transform:scale(1.025)}
.pc-ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#5B52F0,#4338CA);color:#fff;font-size:10px;font-weight:800;letter-spacing:.1em;padding:6px 15px;border-radius:20px;white-space:nowrap;box-shadow:0 6px 16px rgba(79,70,229,.3)}
.pc-top h3{font-size:20px;margin-bottom:6px}
.pc-top p{font-size:13.5px;color:var(--muted);min-height:40px}
.pc-price{display:flex;align-items:baseline;gap:3px;margin:20px 0 4px}
.pc-price .cur{font-family:var(--display);font-size:20px;font-weight:700;color:var(--ink)}
.pc-price strong{font-family:var(--display);font-size:48px;font-weight:800;letter-spacing:-.05em;color:var(--ink);line-height:1}
.pc-price .per{font-size:13px;color:var(--muted);margin-left:4px}
.pc-billed{font-size:11.5px;color:var(--muted);min-height:22px;margin-bottom:20px}
.price-card .btn{margin-bottom:24px}
.pc-list{display:grid;gap:12px;padding-top:22px;border-top:1px solid var(--line)}
.pc-list li{font-size:13.5px;color:#4A5470;display:flex;align-items:flex-start;gap:10px}
.pc-list li::before{content:"✓";color:var(--green);font-weight:800;flex-shrink:0;font-size:14px}
.pc-list b{color:var(--ink)}
.pc-foot{margin-top:auto;padding-top:24px;font-size:11.5px;color:#98A1B5}
.price-note{text-align:center;margin-top:34px;font-size:13px;color:var(--muted)}
.price-note a{color:var(--brand);font-weight:650}

/* ---------- faq ---------- */
.faq-section{background:var(--soft)}
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:64px;align-items:start}
.faq-side h2{font-size:clamp(30px,3.6vw,44px);font-weight:800;margin-bottom:16px}
.faq-side p{font-size:14px;color:var(--muted)}
.faq-side a{color:var(--brand);font-weight:650}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:#CFCBF7;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 22px;font-size:15px;font-weight:650;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--display)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s}
.faq-plus::before{width:14px;height:2px;top:8px;left:2px}
.faq-plus::after{width:2px;height:14px;top:2px;left:8px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- final cta ---------- */
.final-cta{position:relative;background:linear-gradient(125deg,#1B1650 0%,#4338CA 52%,#0E7490 100%);overflow:hidden;padding:88px 0;text-align:center;color:#fff}
.cta-glow{position:absolute;width:660px;height:660px;top:-330px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(139,233,247,.22),transparent 65%);pointer-events:none}
.cta-inner{position:relative}
.final-cta h2{font-size:clamp(36px,5vw,58px);font-weight:800;color:#fff;margin-bottom:18px}
.final-cta h2 span{color:#A5F3FC}
.final-cta p{font-size:17px;color:#D3CFF6;margin-bottom:30px}
.cta-note{margin-top:18px;font-size:12.5px;color:#B7B2E8}

/* ---------- footer ---------- */
.site-footer{background:#0E1223;color:#9AA3B8;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:13px;line-height:1.8}
.footer-social{display:flex;gap:9px;margin-top:22px}
.footer-social a{width:32px;height:32px;border-radius:8px;background:rgba(255,255,255,.07);display:grid;place-items:center;font-size:13px;font-weight:700;color:#C7CEDE;transition:.2s}
.footer-social a:hover{background:var(--brand);color:#fff}
.footer-col h5{color:#fff;font-size:13px;margin-bottom:18px;font-family:var(--font);letter-spacing:.02em}
.footer-col a{display:block;font-size:13px;margin-bottom:11px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.09);padding-top:22px;font-size:12px;color:#6F7891;flex-wrap:wrap;gap:10px}

/* ---------- modal & toast ---------- */
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(11,16,32,.6);backdrop-filter:blur(5px);animation:fadeIn .2s ease}
.modal-card{position:relative;background:#fff;border-radius:20px;width:min(440px,100%);padding:36px;box-shadow:var(--shadow-lg);animation:popIn .26s cubic-bezier(.2,.9,.3,1.2)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:16px;right:18px;border:0;background:transparent;font-size:26px;color:#98A1B5;line-height:1}
.modal-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:22px;margin-bottom:20px}
.modal-card .kicker{margin-bottom:8px}
.modal-card h3{font-size:26px;margin-bottom:10px}
.modal-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
#checkoutForm label{display:block;font-size:12px;font-weight:700;color:var(--ink);margin-bottom:7px}
#checkoutForm input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s;margin-bottom:16px}
#checkoutForm input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.modal-summary{display:flex;justify-content:space-between;background:var(--soft);border-radius:10px;padding:13px 15px;font-size:13px;color:var(--muted);margin-bottom:18px}
.modal-summary strong{color:var(--ink)}
.modal-fine{font-size:11px;color:#9AA3B8;text-align:center;margin-top:16px}
.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,80px);background:#141A31;color:#fff;padding:12px 20px;border-radius:11px;font-size:13.5px;font-weight:600;box-shadow:var(--shadow-lg);z-index:300;opacity:0;transition:.3s cubic-bezier(.2,.9,.3,1.2);pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- account (email OTP) ---------- */
.acct-btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:9px 15px;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;transition:border-color .2s,color .2s,background .2s}
.acct-btn:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.acct-btn:disabled{opacity:.55;cursor:default}
.acct-btn.is-pro{border-color:rgba(79,70,229,.35);background:var(--brand-soft);color:var(--brand)}
.studio-header .acct-btn{margin-right:10px}
#accountForm label{display:block;font-size:12px;font-weight:700;color:var(--ink);margin-bottom:7px}
#accountForm input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s}
#accountForm input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.12)}
#accountEmail{margin-bottom:12px}
.otp-row{display:flex;gap:9px;margin-bottom:16px}
.otp-row input{flex:1;min-width:0}
.otp-row .btn{flex:0 0 auto;white-space:nowrap}
.account-msg{min-height:17px;margin:10px 0 0;font-size:12.5px;color:var(--muted);text-align:left;line-height:1.5}
.account-msg.is-error{color:#DC2626}
.account-msg.is-ok{color:#059669}
.account-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.account-row span{color:var(--muted);flex:0 0 auto}
.account-row strong{font-weight:700;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#accountSignOut{margin-top:22px}
.modal-card #accountGuest[hidden],.modal-card #accountUser[hidden]{display:none}

/* ---------- Stripe return verification states ---------- */
.success-page .success-check{display:none}
.success-page.is-check .success-check{display:block}
.success-page.is-check .success-ok{display:none}
.success-page.no-session .success-check{display:none}
.check-spinner{width:30px;height:30px;margin:4px auto 22px;border:3px solid var(--brand-soft);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}
.check-spinner[hidden]{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.success-check .btn{margin-top:12px}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.8,.3,1)}
[data-reveal].revealed{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none}.float-chip{animation:none}*{scroll-behavior:auto!important}}

/* ============================================================
   STUDIO (app.html)
   ============================================================ */
.studio-body{background:#F6F7FC;min-height:100vh}
.studio-shell{display:flex;flex-direction:column;min-height:100vh}
.studio-header{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 26px;gap:16px;position:sticky;top:0;z-index:40}
.studio-header .brand{font-size:18px}
.studio-header .brand-mark{width:27px;height:27px}
.st-badge{font-size:9.5px;font-weight:800;letter-spacing:.12em;background:var(--brand-soft);color:var(--brand);padding:4px 8px;border-radius:6px}
.st-header-spacer{flex:1}
.st-back{font-size:13px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:6px}
.st-back:hover{color:var(--brand)}
.usage-pill{background:var(--soft);border:1px solid var(--line);border-radius:9px;padding:7px 12px;font-size:12px;font-weight:650;color:#4A5470;display:flex;align-items:center;gap:8px}
.usage-bar{width:54px;height:5px;background:#E3E6F0;border-radius:5px;overflow:hidden}
.usage-bar i{display:block;height:100%;background:linear-gradient(90deg,#5B52F0,var(--cyan));border-radius:5px;transition:width .4s}
.usage-pill.low{background:#FFF3E8;border-color:#FFD9B8;color:#9A4A0B}
.usage-pill.low .usage-bar i{background:var(--accent)}

.studio-layout{display:grid;grid-template-columns:396px 1fr;flex:1;min-height:0}
.studio-sidebar{background:#fff;border-right:1px solid var(--line);padding:24px;overflow-y:auto;max-height:calc(100vh - 64px);position:sticky;top:64px}
.studio-main{padding:26px 30px 60px;min-width:0}

.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.panel-head h2{font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-family:var(--font);font-weight:800;color:#6B7690}
.panel-hint{font-size:11.5px;color:#98A1B5}
#sourceText{width:100%;height:196px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:13.5px;line-height:1.65;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s;background:#FBFCFF}
#sourceText:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.1);background:#fff}
#sourceText::placeholder{color:#A8B0C2}
.drop-row{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.drop-btn{border:1px dashed #C9CEE0;background:#FAFBFE;border-radius:9px;padding:7px 12px;font-size:11.5px;font-weight:650;color:#6B7690;transition:.2s}
.drop-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.sample-link{font-size:11.5px;color:var(--brand);font-weight:650;background:none;border:0;padding:7px 4px}
.char-count{margin-left:auto;font-size:11px;color:#98A1B5}
.field{margin-top:24px}
.field-label{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;font-weight:800;color:var(--ink);text-transform:uppercase;letter-spacing:.07em;margin-bottom:10px}
.field-label small{font-weight:500;text-transform:none;letter-spacing:0;color:#98A1B5;font-size:11px}
.voice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
.voice-btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 4px;font-size:11.5px;font-weight:650;color:#6B7690;transition:.18s}
.voice-btn:hover{border-color:#C9C6F5}
.voice-btn.active{background:var(--brand-soft);border-color:#A9A2F5;color:var(--brand);box-shadow:0 0 0 2px rgba(79,70,229,.08)}
.voice-btn.locked{opacity:.55;position:relative}
.voice-btn.locked::after{content:"PRO";position:absolute;top:-7px;right:-5px;font-size:8px;font-weight:800;background:var(--accent);color:#fff;border-radius:4px;padding:1px 4px}
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.platform-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px;font-size:12px;font-weight:600;color:#4A5470;text-align:left;transition:.18s;position:relative}
.platform-btn:hover{border-color:#C9C6F5}
.platform-btn.active{background:#F6F5FF;border-color:#A9A2F5;color:var(--ink)}
.platform-btn .check{margin-left:auto;width:15px;height:15px;border-radius:5px;border:1.5px solid #CDD3E2;display:grid;place-items:center;font-size:9px;color:transparent;flex-shrink:0}
.platform-btn.active .check{background:var(--brand);border-color:var(--brand);color:#fff}
.platform-btn.locked{background:#FAFAFD;color:#9AA3B5}
.platform-btn.locked .check::after{content:"🔒";font-size:9px}
.generate-btn{width:100%;margin-top:24px;font-size:15px;padding:15px}
.generate-note{text-align:center;font-size:11px;color:#98A1B5;margin-top:10px}

.studio-toolbar{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.studio-toolbar h1{font-size:22px;font-weight:800}
.studio-toolbar .st-sub{font-size:12.5px;color:var(--muted)}
.toolbar-actions{margin-left:auto;display:flex;gap:8px}
.tb-btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 13px;font-size:12px;font-weight:650;color:#4A5470;transition:.18s}
.tb-btn:hover{border-color:#C9C6F5;color:var(--brand)}
.tb-btn:disabled{opacity:.45;cursor:not-allowed}

.empty-state{background:#fff;border:1px dashed #D7DCEA;border-radius:var(--radius);padding:70px 30px;text-align:center;display:flex;flex-direction:column;align-items:center}
.empty-illu{width:78px;height:78px;border-radius:22px;background:linear-gradient(140deg,#EEF0FF,#DCF7F9);display:grid;place-items:center;font-size:34px;margin-bottom:22px;box-shadow:0 12px 30px rgba(79,70,229,.13)}
.empty-state h3{font-size:20px;margin-bottom:9px}
.empty-state p{font-size:14px;color:var(--muted);max-width:390px;margin-bottom:24px}
.empty-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.empty-chips span{font-size:11.5px;font-weight:650;color:#6B7690;background:var(--soft);border:1px solid var(--line);padding:5px 11px;border-radius:20px}

.results-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.out-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;overflow:hidden;animation:cardIn .4s both}
@keyframes cardIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.out-head{display:flex;align-items:center;gap:9px;padding:13px 15px;border-bottom:1px solid var(--line);background:#FCFCFE}
.out-head b{font-family:var(--display);font-size:13px;color:var(--ink)}
.out-chars{margin-left:auto;font-size:10.5px;color:#98A1B5;font-weight:600}
.out-body{padding:15px;font-size:13px;line-height:1.7;color:#3C465E;white-space:pre-wrap;outline:none;min-height:160px;max-height:340px;overflow-y:auto;flex:1}
.out-body:focus{background:#FBFBFF;box-shadow:inset 0 0 0 2px rgba(79,70,229,.16)}
.out-actions{display:flex;gap:6px;padding:10px 12px;border-top:1px solid var(--line);background:#FCFCFE}
.oa-btn{border:1px solid var(--line);background:#fff;border-radius:7px;padding:6px 10px;font-size:11px;font-weight:650;color:#6B7690;transition:.18s}
.oa-btn:hover{border-color:#C9C6F5;color:var(--brand)}
.oa-btn.copied{background:#DCF7EC;border-color:#A7E9C9;color:#087A54}
.oa-sep{flex:1}
.out-card.locked{position:relative}
.out-card.locked .out-body{filter:blur(5px);user-select:none;pointer-events:none;opacity:.6}
.lock-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.35),rgba(255,255,255,.88));display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;z-index:2}
.lock-badge{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:14px 18px;text-align:center;max-width:220px}
.lock-badge strong{display:block;font-family:var(--display);font-size:14px;color:var(--ink);margin-bottom:4px}
.lock-badge small{font-size:11.5px;color:var(--muted);display:block;margin-bottom:10px}
.lock-badge .btn{padding:7px 14px;font-size:11.5px}

.history-block{margin-top:34px}
.history-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.history-head h3{font-size:14px;font-family:var(--font);font-weight:800;color:var(--ink)}
.history-head span{font-size:11.5px;color:#98A1B5}
.history-list{display:grid;gap:8px}
.hist-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 14px;display:flex;align-items:center;gap:12px;font-size:12.5px;color:#4A5470}
.hist-item strong{color:var(--ink);font-weight:650;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist-item small{color:#98A1B5;font-size:11px;white-space:nowrap}
.hist-load{background:none;border:0;color:var(--brand);font-size:11.5px;font-weight:700}

/* paywall */
.paywall{position:fixed;inset:0;z-index:150;display:grid;place-items:center;padding:20px}
.paywall[hidden]{display:none}
.paywall-card{position:relative;background:#fff;border-radius:22px;width:min(480px,100%);padding:38px;box-shadow:var(--shadow-lg);text-align:center;animation:popIn .26s cubic-bezier(.2,.9,.3,1.2)}
.paywall-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(140deg,#FEF3C7,#FDE68A);display:grid;place-items:center;font-size:27px;margin:0 auto 20px}
.paywall-card h3{font-size:26px;margin-bottom:10px}
.paywall-card p{font-size:14px;color:var(--muted);margin-bottom:24px}
.paywall-perks{display:grid;gap:9px;text-align:left;background:var(--soft);border-radius:12px;padding:16px 18px;margin-bottom:22px}
.paywall-perks span{font-size:13px;color:#4A5470;display:flex;gap:9px}
.paywall-perks span::before{content:"✓";color:var(--green);font-weight:800}
.paywall-actions{display:flex;gap:10px}
.paywall-actions .btn{flex:1}
.paywall-fine{font-size:11px;color:#9AA3B8;margin-top:16px}

/* ---------- free tools hub (home) ---------- */
.tools-section{background:#fff;border-top:1px solid var(--line)}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tool-link{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px;transition:.2s;min-width:0}
.tool-link:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CFCBF7}
.tool-link.featured{background:linear-gradient(135deg,#F6F5FF,#EFF8FF);border-color:#C9C6F5}
.tool-link div{flex:1;min-width:0}
.tool-link strong{display:block;font-size:14px;color:var(--ink);font-family:var(--display)}
.tool-link small{display:block;font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.5}
.tool-link>span:last-child{color:var(--brand);font-weight:700}
.tools-foot{margin-top:26px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
@media (max-width:860px){.tools-grid{grid-template-columns:1fr}}

/* ---------- SEO tool pages ---------- */
.crumbs{display:flex;align-items:center;gap:9px;font-size:12px;color:#98A1B5;margin-bottom:30px;flex-wrap:wrap}
.crumbs a:hover{color:var(--brand)}
.tool-hero{position:relative;padding:62px 0 76px;background:linear-gradient(160deg,#F8F9FF,#EFF5FF);border-bottom:1px solid var(--line);overflow:hidden}
.tool-hero .grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(79,70,229,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(79,70,229,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 90%);pointer-events:none}
.tool-hero-inner{position:relative;z-index:2;max-width:820px}
.tool-hero h1{font-size:clamp(34px,4.6vw,54px);font-weight:800;margin-bottom:18px}
.tool-lede{font-size:16.5px;color:#525D76;line-height:1.75;margin-bottom:24px;max-width:740px}
.tool-trust{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;font-weight:650;color:#4A5470}
.tool-work{background:var(--soft);padding:0 0 76px}
.tool-work .container{position:relative;z-index:3;margin-top:-40px}
.tool-box{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
#toolInput{width:100%;height:226px;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:13.5px;line-height:1.65;color:var(--ink);outline:none;background:#FBFCFF;transition:border-color .2s,box-shadow .2s}
#toolInput:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.1);background:#fff}
#toolInput::placeholder{color:#A8B0C2}
.tool-controls{display:flex;align-items:center;gap:12px;margin:12px 0 16px;flex-wrap:wrap}
.tool-voice{display:flex;gap:6px;flex-wrap:wrap}
.tool-voice .voice-btn{padding:6px 13px}
.tool-fine{text-align:center;font-size:11px;color:#98A1B5;margin-top:10px}
.tool-output{min-height:226px;max-height:520px;overflow-y:auto;background:#FBFCFF;border:1px solid var(--line);border-radius:12px;padding:13px;display:grid;gap:12px;align-content:start}
.tool-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:198px;color:var(--muted);padding:20px}
.tool-placeholder span{width:52px;height:52px;border-radius:15px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:23px;margin-bottom:16px}
.tool-placeholder p{font-size:13px;max-width:260px}
.tool-result{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden}
.tr-head{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#FBFBFE;border-bottom:1px solid var(--line);font-size:12px;flex-wrap:wrap}
.tr-head b{font-family:var(--display);color:var(--ink)}
.tr-chars{margin-left:auto;font-size:10.5px;color:#98A1B5}
.tr-btn{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 8px;font-size:10.5px;font-weight:600;color:#6B7690;transition:.18s}
.tr-btn:hover{border-color:#C9C6F5;color:var(--brand)}
.tr-body{padding:13px;font-size:12.5px;line-height:1.72;color:#3C465E;white-space:pre-wrap;outline:none;max-height:300px;overflow-y:auto}
.tr-body:focus{background:#FBFBFF;box-shadow:inset 0 0 0 2px rgba(79,70,229,.15)}
.tool-output-actions{display:flex;gap:8px;margin-top:12px;justify-content:flex-end;flex-wrap:wrap}
.narrow{max-width:820px;width:calc(100% - 48px);margin-inline:auto}
.tool-content{background:#fff}
.tool-prose h2{font-size:clamp(28px,3.5vw,38px);margin-bottom:22px}
.tool-prose p{font-size:15.5px;line-height:1.85;color:#525D76;margin-bottom:16px}
.tip-grid{margin-top:56px}
.tip-title{font-size:26px;margin-bottom:22px}
.tip-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tip-card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:22px}
.tip-num{font-size:11px;font-weight:800;color:var(--brand);letter-spacing:.1em}
.tip-card h3{font-size:16px;margin:10px 0 8px}
.tip-card p{font-size:13.5px;color:var(--muted);margin:0}
.tool-example-section{background:var(--soft)}
.tool-example-section h2{font-size:clamp(28px,3.5vw,38px);margin-bottom:10px}
.tool-example-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.tool-example{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.te-head{display:flex;align-items:center;gap:9px;padding:13px 16px;border-bottom:1px solid var(--line);background:#FCFCFE;font-size:12.5px}
.te-head b{font-family:var(--display);color:var(--ink)}
.te-head span:last-child{margin-left:auto;font-size:11px;color:#98A1B5}
.tool-example pre{margin:0;padding:20px;font-family:var(--font);font-size:13px;line-height:1.8;color:#3C465E;white-space:pre-wrap;word-break:break-word}
.tool-related-section{background:#fff}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;transition:.2s;min-width:0}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CFCBF7}
.rel-card div{flex:1;min-width:0}
.rel-card strong{display:block;font-size:14px;color:var(--ink);font-family:var(--display)}
.rel-card small{display:block;font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rel-card>span:last-child{color:var(--brand);font-weight:700}
.tool-all{margin-top:28px;display:flex;gap:9px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--muted)}
.tool-all a{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-size:11.5px;font-weight:650;color:#4A5470}
.tool-all a:hover{border-color:#C9C6F5;color:var(--brand)}
@media (max-width:860px){
  .tool-hero{padding:46px 0 66px}
  .tool-box{grid-template-columns:1fr}
  .tip-cards,.rel-grid{grid-template-columns:1fr}
  .narrow{width:calc(100% - 32px)}
  .tool-work .container{margin-top:-30px}
}

/* ---------- Stripe return page ---------- */
.success-page{min-height:100vh;background:radial-gradient(circle at 50% 0%,rgba(99,102,241,.13),transparent 60%),#F7F8FC;display:flex;align-items:center;justify-content:center;padding:110px 20px 60px;position:relative}
.success-brand{position:absolute;top:26px;left:32px}
.success-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);width:min(480px,100%);padding:40px;text-align:center}
.success-icon{width:58px;height:58px;border-radius:17px;background:linear-gradient(140deg,#5B52F0,#4338CA);color:#fff;display:grid;place-items:center;font-size:27px;margin:0 auto 22px;box-shadow:0 12px 28px rgba(79,70,229,.3)}
.success-card h1{font-size:34px;margin-bottom:12px}
.success-card p{font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:22px}
.success-perks{display:grid;gap:10px;text-align:left;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:24px;font-size:13.5px;color:#4A5470}
.success-perks span{display:flex;gap:9px}
.success-note{font-size:12px!important;margin:16px 0 0!important}
.success-fine{margin:26px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:11px!important;color:#9AA3B8!important;text-align:left;line-height:1.65}
.success-page:not(.no-session) .success-warn{display:none}
.success-page.no-session .success-ok{display:none}
.success-page code{background:var(--soft);border:1px solid var(--line);padding:1px 5px;border-radius:4px;font-size:12px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero-copy{max-width:720px}
  .hero-visual{max-width:680px;margin-inline:auto;width:100%}
  .float-chip-a{right:0}.float-chip-b{left:0}
  .studio-layout{grid-template-columns:340px 1fr}
  .results-grid{grid-template-columns:1fr}
  .showcase{grid-template-columns:1fr}
  .showcase-source{flex-direction:row;flex-wrap:wrap;align-items:center;gap:16px}
  .showcase-source .sc-label,.showcase-source .sc-arrow{width:100%;margin:0}
  .showcase-source p{flex:1;min-width:240px}
}
@media (max-width:860px){
  .main-nav{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:10px 24px 20px;display:none;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--soft)}
  .nav-toggle{display:flex}
  .header-actions{display:none}
  .section{padding:76px 0}
  .pain-grid,.feature-grid,.testi-grid,.price-grid{grid-template-columns:1fr}
  .price-card.featured{transform:none}
  .steps{grid-template-columns:1fr;gap:16px}
  .step-line{display:none}
  .stats{grid-template-columns:1fr 1fr;gap:26px 0}
  .stat:nth-child(2){border-right:0}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .showcase-results{grid-template-columns:1fr}
  .studio-layout{grid-template-columns:1fr}
  .studio-sidebar{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line)}
  .studio-main{padding:22px 18px 50px}
  .studio-header{padding:0 16px}
  .usage-pill span:not(.usage-bar){display:none}
}
@media (max-width:560px){
  .container{width:calc(100% - 32px)}
  .announce{font-size:11px;gap:8px;flex-wrap:wrap;text-align:center;padding:8px 12px}
  .hero{padding-top:48px}
  .hero h1{font-size:38px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .window{transform:none}
  .window-body{grid-template-columns:1fr;gap:12px}
  .mini-arrow{transform:rotate(90deg)}
  .float-chip{display:none}
  .trust-strip{gap:14px}
  .trust-logos{gap:14px}
  .trust-logos span{font-size:12px}
  .section-head h2{font-size:31px}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
  .platform-grid{grid-template-columns:1fr}
  .results-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .modal-card,.paywall-card{padding:26px}
  .st-sub{display:none}
}

/* ---------- 收款二维码 / 兑换开通（中文版） ---------- */
.modal-qr{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:18px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;margin-bottom:20px}
.qr-card{display:flex;flex-direction:column;align-items:center;gap:7px}
.qr-card img{width:150px;height:150px;object-fit:contain;border-radius:10px;background:#fff;border:1px solid var(--line)}
.qr-card .qr-tag{font-size:13px;font-weight:600;color:var(--ink)}
.modal-qr .note{width:100%;font-size:12px;color:var(--muted);text-align:center}
.modal-alt{text-align:center;font-size:12px;margin:12px 0 0}
.modal-alt a,.paywall-fine a{color:var(--brand);font-weight:600;text-decoration:none}
.modal-alt a:hover,.paywall-fine a:hover{text-decoration:underline}

.redeem-body{background:var(--soft)}
.redeem-main{min-height:calc(100vh - 220px);display:flex;align-items:flex-start;justify-content:center;padding:64px 20px 80px}
.redeem-card{width:100%;max-width:520px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:40px 40px 34px;text-align:center}
.redeem-icon{width:52px;height:52px;border-radius:16px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:24px;margin:0 auto 18px}
.redeem-card h1{font-size:27px;margin:8px 0 12px}
.redeem-lede{font-size:13.5px;color:var(--muted);margin:0 0 26px;text-align:left;line-height:1.8}
.redeem-card form{text-align:left}
.redeem-card label{display:block;font-size:12px;font-weight:700;color:var(--ink);margin-bottom:8px}
.redeem-card input{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 14px;font-size:15px;letter-spacing:.08em;font-family:var(--font);color:var(--ink);background:var(--white);outline:none;transition:border-color .2s,box-shadow .2s}
.redeem-card input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.redeem-card input::placeholder{color:#A9B1C4;letter-spacing:.04em}
.redeem-hint{font-size:11.5px;color:var(--muted);margin:8px 0 18px}
.redeem-state{display:none;margin-top:22px;padding:16px 18px;border-radius:12px;background:var(--soft);border:1px solid var(--line);text-align:left}
.redeem-state.show{display:block}
.redeem-state strong{display:block;font-size:14px;color:var(--ink);margin-bottom:5px}
.redeem-state span{display:block;font-size:12.5px;color:var(--muted);line-height:1.7}
.redeem-state.error{background:#FFF3F3;border-color:#F6CFCF}
.redeem-state.error strong{color:#A32D2D}
.redeem-state.warn{background:#FFF9EC;border-color:#F3DFB0}
.redeem-state.warn strong{color:#8A5A09}
.redeem-state.ok{background:#EDFBF4;border-color:#BEEBD5}
.redeem-state.ok strong{color:#0F6E56}
.redeem-state .btn{margin-top:14px}
.redeem-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line);text-align:left}
.redeem-steps div{display:flex;flex-direction:column;gap:3px}
.redeem-steps span{font-size:11px;font-weight:800;color:var(--brand);letter-spacing:.08em}
.redeem-steps strong{font-size:12.5px;color:var(--ink)}
.redeem-steps small{font-size:11px;color:var(--muted);line-height:1.55}
.redeem-foot{font-size:12px;color:var(--muted);margin:24px 0 0}
.redeem-foot a{color:var(--brand);font-weight:600;text-decoration:none}
.redeem-foot a:hover{text-decoration:underline}
.redeem-card.is-success .redeem-icon{background:#EDFBF4;color:#0F6E56}
@media(max-width:640px){
  .redeem-main{padding:36px 16px 56px}
  .redeem-card{padding:28px 22px}
  .redeem-card h1{font-size:23px}
  .redeem-steps{grid-template-columns:1fr;gap:14px}
}