/* RetraBurn — retrasburn.com — prefix rbn- */
:root{
  --ink:#2A2143;
  --ink-soft:#5B5470;
  --purple:#4A3B7C;
  --purple-dark:#332958;
  --violet:#7C5FD1;
  --violet-deep:#5F4AB0;
  --lav:#F6F3FC;
  --lav-2:#EFEAF9;
  --line:rgba(74,59,124,.14);
  --white:#FFFFFF;
  --good:#2F7A4F;
  --warn:#8A5A15;
  --radius:20px;
  --shadow:0 18px 40px -18px rgba(42,33,67,.28);
  --font-head:'Lora',Georgia,serif;
  --font-body:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);
  font-size:18px;line-height:1.65;overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--purple-dark);line-height:1.22;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,4.2vw,3.15rem)}
h2{font-size:clamp(1.65rem,3vw,2.35rem)}
h3{font-size:1.5rem}
h4{font-size:1.15rem;margin-bottom:.4em}
p{margin:0 0 1em}
a{color:var(--violet-deep);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
.rbn-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.rbn-sec{padding:76px 0}
.rbn-sec-blush{background:var(--lav)}
.rbn-sec-dark{background:linear-gradient(160deg,var(--purple-dark),#241C40);color:#D9D2EE}
.rbn-sec-dark h2,.rbn-sec-dark h3{color:#fff}
.rbn-sec-dark p{color:#C4BBDE}

/* announcement strip */
.rbn-strip{background:var(--purple-dark);color:#E7E1F7;font-size:14px;padding:9px 0;display:flex;gap:28px;justify-content:center;flex-wrap:wrap;text-align:center}
.rbn-strip b{color:#fff}

/* nav */
.rbn-nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.rbn-nav .rbn-wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.rbn-logo{font-family:var(--font-head);font-weight:700;font-size:1.5rem;color:var(--purple-dark)}
.rbn-logo em{font-style:normal;color:var(--violet)}
.rbn-links{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.rbn-links a{color:var(--ink);font-weight:600;font-size:15px}
.rbn-links a:hover{color:var(--violet-deep);text-decoration:none}
.rbn-toggle{display:none;background:none;border:0;font-size:26px;color:var(--purple-dark);cursor:pointer}
@media(max-width:860px){
  .rbn-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px 24px 22px;border-bottom:1px solid var(--line);display:none;gap:14px}
  .rbn-links.open{display:flex}
  .rbn-toggle{display:block}
}

/* buttons */
.rbn-btn{display:inline-block;background:var(--violet-deep);color:#fff;font-weight:700;padding:14px 26px;border-radius:14px;box-shadow:0 12px 26px -10px rgba(95,74,176,.6);transition:transform .15s ease,box-shadow .15s ease}
.rbn-btn:hover{transform:translateY(-2px);text-decoration:none;box-shadow:0 16px 30px -10px rgba(95,74,176,.7)}
.rbn-btn-ghost{display:inline-block;border:2px solid var(--purple);color:var(--purple-dark);font-weight:700;padding:12px 24px;border-radius:14px}
.rbn-btn-ghost:hover{background:var(--lav-2);text-decoration:none}
.rbn-btn-full{width:100%;text-align:center}
.rbn-mid{text-align:center}

/* hero */
.rbn-hero{padding:44px 0 10px;background:radial-gradient(1100px 480px at 85% -10%,#EFE9FB 0%,transparent 60%),var(--white)}
.rbn-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
@media(max-width:940px){.rbn-hero-grid{grid-template-columns:1fr}}
.rbn-pill{display:inline-block;background:var(--lav-2);color:var(--purple-dark);font-weight:700;font-size:14px;padding:8px 16px;border-radius:999px}
.rbn-hero-copy h1{margin-top:16px}
.rbn-hero-copy em{font-style:normal;color:var(--violet-deep)}
.rbn-answer{background:var(--lav);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin:20px 0}
.rbn-answer .tag{display:inline-block;background:var(--violet-deep);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:8px;margin-bottom:10px}
.rbn-answer p{margin-bottom:.7em;color:var(--ink-soft)}
.rbn-answer p.first{color:var(--ink);font-weight:600}
.rbn-facts{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.rbn-facts li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:700;color:var(--purple-dark)}
.rbn-check{margin:20px 0;display:flex;flex-direction:column;gap:10px}
.rbn-check li{position:relative;padding-left:28px;color:var(--ink-soft)}
.rbn-check li::before{content:'✓';position:absolute;left:0;top:0;color:var(--good);font-weight:800}
.rbn-figures{display:flex;gap:30px;margin:24px 0}
.rbn-figures div{display:flex;flex-direction:column}
.rbn-figures b{font-family:var(--font-head);font-size:2rem;color:var(--purple-dark)}
.rbn-figures span{font-size:13px;color:var(--ink-soft)}
.rbn-hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0 18px}
.rbn-hero-trust{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--ink-soft)}
.rbn-hero-trust span::before{content:'• '}
.rbn-hero-trust span:first-child::before{content:''}

.rbn-hero-shot{display:flex;justify-content:center}
.rbn-hero-card{background:var(--lav);border:1px solid var(--line);border-radius:28px;padding:26px;width:100%;max-width:360px;box-shadow:var(--shadow)}
.rbn-hero-card img{margin:0 auto 18px;max-height:380px;object-fit:contain}
.rbn-hero-card .rbn-facts{justify-content:center}

/* hero diagram card (fullness meter) */
.rbn-diagram{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.rbn-diagram h5{font-family:var(--font-body);font-weight:800;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--purple-dark);margin:0 0 10px;text-align:center}
.rbn-diagram svg{width:100%;height:auto;display:block}
.rbn-diagram .legend{display:flex;justify-content:center;gap:18px;margin-top:8px;font-size:12px;color:var(--ink-soft)}
.rbn-diagram .legend span{display:inline-flex;align-items:center;gap:6px}
.rbn-diagram .legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.rbn-diagram .cap{font-size:11px;color:#8B84A1;text-align:center;margin-top:8px;font-style:italic}

/* section head */
.rbn-head{max-width:720px;margin:0 auto 40px;text-align:center}
.rbn-eyebrow{display:inline-block;font-weight:800;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--violet-deep);margin-bottom:10px}
.rbn-head p{color:var(--ink-soft)}

/* grids & cards */
.rbn-grid{display:grid;gap:22px}
.rbn-g2{grid-template-columns:repeat(2,1fr)}
.rbn-g3{grid-template-columns:repeat(3,1fr)}
.rbn-g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.rbn-g4{grid-template-columns:repeat(2,1fr)}.rbn-g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.rbn-g4,.rbn-g3,.rbn-g2{grid-template-columns:1fr}}
.rbn-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;min-width:0}
.rbn-card p{color:var(--ink-soft);margin-bottom:0}
.rbn-card-badge{text-align:center}
.rbn-card-badge img{width:96px;height:auto;margin:0 auto 14px}
.rbn-idx{width:34px;height:34px;border-radius:10px;background:var(--lav-2);color:var(--purple-dark);font-family:var(--font-head);font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.rbn-idx-v{background:var(--violet-deep);color:#fff}
.rbn-icon-card{text-align:center}
.rbn-icon-card img{width:64px;height:64px;margin:0 auto 14px;object-fit:contain}

/* split section */
.rbn-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
@media(max-width:900px){.rbn-split{grid-template-columns:1fr}}
.rbn-split-copy p{color:var(--ink-soft)}
.rbn-callout{background:var(--lav);border-left:4px solid var(--violet-deep);border-radius:12px;padding:16px 20px;font-size:15px;color:var(--ink-soft)}
.rbn-callout b{color:var(--purple-dark)}

/* ten-things list */
.rbn-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:760px){.rbn-list{grid-template-columns:1fr}}
.rbn-list li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--violet-deep);border-radius:14px;padding:18px 20px}
.rbn-list li b{display:block;color:var(--purple-dark);margin-bottom:4px;font-family:var(--font-head)}
.rbn-list li{color:var(--ink-soft)}

/* reviews */
.rbn-rev-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.rbn-avatar{width:48px;height:48px;border-radius:50%;background:var(--violet-deep);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-head);flex-shrink:0}
.rbn-rev-name{font-weight:800;color:var(--purple-dark)}
.rbn-rev-sub{font-size:13px;color:var(--ink-soft)}
.rbn-stars{color:#D8A21B;letter-spacing:2px;margin-bottom:8px}
.rbn-board{display:flex;justify-content:center;gap:48px;margin-top:34px;flex-wrap:wrap}
.rbn-board div{text-align:center}
.rbn-board b{display:block;font-family:var(--font-head);font-size:1.8rem;color:var(--purple-dark)}
.rbn-board span{font-size:13px;color:var(--ink-soft)}

/* pricing */
.rbn-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
@media(max-width:900px){.rbn-plans{grid-template-columns:1fr}}
.rbn-plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 24px;text-align:center;position:relative;min-width:0}
.rbn-plan.top{border:2px solid var(--violet-deep);box-shadow:var(--shadow);transform:translateY(-8px)}
@media(max-width:900px){.rbn-plan.top{transform:none}}
.rbn-badge{display:inline-block;background:var(--violet-deep);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.rbn-badge-plum{background:var(--purple)}
.rbn-plan img.pk{max-width:200px;margin:0 auto 16px}
.rbn-plan-ttl{font-family:var(--font-head);font-weight:700;font-size:1.3rem;color:var(--purple-dark)}
.rbn-plan-sub{font-size:13px;color:var(--ink-soft);margin-bottom:10px}
.rbn-plan-price{font-family:var(--font-head);font-size:2.4rem;font-weight:700;color:var(--ink)}
.rbn-plan-price small{font-size:.9rem;font-weight:500;color:var(--ink-soft)}
.rbn-plan-was{color:#A79FBD;text-decoration:line-through;font-size:14px;margin-top:2px}
.rbn-plan-tot{font-weight:800;margin:6px 0 2px}
.rbn-plan-ship{color:var(--good);font-weight:700;font-size:14px;margin-bottom:14px}
.rbn-plan-ship.pay{color:var(--ink-soft);font-weight:600}
.rbn-plan ul{margin:16px 0;text-align:left;display:flex;flex-direction:column;gap:8px}
.rbn-plan ul li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-soft)}
.rbn-plan ul li::before{content:'✓';position:absolute;left:0;color:var(--good);font-weight:800}
.rbn-plan img.cards{max-width:220px;margin:14px auto 0}

/* flag box */
.rbn-flag{background:#FBF4E6;border:1px solid #E9D6A6;border-radius:14px;padding:18px 22px;color:#6B5416}
.rbn-flag b{color:#4E3D0E}

/* guarantee */
.rbn-guar{display:grid;grid-template-columns:.5fr 1fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:44px}
@media(max-width:820px){.rbn-guar{grid-template-columns:1fr;padding:30px}}
.rbn-guar p{color:var(--ink-soft)}

/* timeline visualization (guarantee vs supply) */
.rbn-timeline{margin-top:22px}
.rbn-timeline .bar{position:relative;height:34px;border-radius:10px;background:var(--lav-2);overflow:hidden;display:flex}
.rbn-timeline .seg{height:100%;display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:800;color:#fff}
.rbn-timeline .seg.window{background:var(--good)}
.rbn-timeline .seg.after{background:#C7BEDE;color:var(--purple-dark)}
.rbn-timeline .labels{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-soft);margin-top:8px}
.rbn-timeline .cap{font-size:12px;color:#8B84A1;margin-top:10px;font-style:italic}

/* narrow container for steps/faq */
.rbn-narrow{max-width:800px;margin:0 auto}
.rbn-steps{display:flex;flex-direction:column;gap:14px}
.rbn-step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;align-items:flex-start}
.rbn-step .n{width:36px;height:36px;border-radius:50%;background:var(--violet-deep);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--font-head)}
.rbn-step h4{margin-bottom:4px}
.rbn-step p{color:var(--ink-soft);margin:0}

/* FAQ */
.rbn-faq-row{border-bottom:1px solid var(--line)}
.rbn-faq-btn{width:100%;text-align:left;background:none;border:0;padding:20px 0;font-family:var(--font-head);font-weight:700;font-size:17px;color:var(--purple-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.rbn-faq-btn::after{content:'+';font-size:22px;color:var(--violet-deep);flex-shrink:0;transition:transform .2s ease}
.rbn-faq-btn[aria-expanded="true"]::after{transform:rotate(45deg)}
.rbn-faq-body{max-height:0;overflow:hidden;transition:max-height .25s ease}
.rbn-faq-body p{color:var(--ink-soft);padding-bottom:18px;margin:0}

/* refs */
.rbn-refs li{border-bottom:1px solid var(--line);padding:14px 0}
.rbn-refs a{font-weight:700;color:var(--violet-deep)}

/* related / blog teasers */
.rbn-rel{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:800px){.rbn-rel{grid-template-columns:1fr}}
.rbn-rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.rbn-rel a:hover{border-color:var(--violet-deep);text-decoration:none}
.rbn-rel b{display:block;color:var(--purple-dark);font-family:var(--font-head);margin-bottom:6px}
.rbn-rel span{font-size:14px;color:var(--ink-soft)}

/* final CTA */
.rbn-final{background:linear-gradient(160deg,var(--purple-dark),#241C40);border-radius:28px;padding:56px 32px;text-align:center;color:#fff}
.rbn-final h2{color:#fff}
.rbn-final p{color:#C4BBDE}
.rbn-final img{margin:0 auto 18px}
.rbn-final .old{text-decoration:line-through;color:#9C90BE}
.rbn-final .new{font-family:var(--font-head);font-size:1.8rem;color:#B7F0C8;margin-bottom:18px}
.rbn-final .sm{font-size:13px;color:#B8AFD8;margin-top:14px}

/* payment security */
.rbn-pay{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;text-align:center}
.rbn-pay img{max-height:40px;width:auto}

/* footer */
.rbn-foot{background:var(--purple-dark);color:#B9AFDA;padding:52px 0 30px}
.rbn-foot-nav,.rbn-foot-legal{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;margin-bottom:16px}
.rbn-foot-nav a,.rbn-foot-legal a{color:#EAE5F7;font-weight:600;font-size:14.5px}
.rbn-foot-legal a{color:#B9AFDA;font-weight:500}
.rbn-foot hr{border:none;border-top:1px solid rgba(255,255,255,.14);margin:22px 0}
.rbn-foot p{font-size:14px;color:#C6BEDE;max-width:920px;margin:0 auto 14px}
.rbn-foot b{color:#EAE5F7}
.rbn-foot .cr{text-align:center;font-size:13px;color:#9C90BE;margin-top:18px}

/* sticky bar */
.rbn-sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 24px -14px rgba(42,33,67,.3);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;transform:translateY(0);transition:transform .25s ease}
.rbn-sticky.hide{transform:translateY(110%)}
.rbn-sticky .t b{display:block;color:var(--purple-dark)}
.rbn-sticky .t small{color:var(--ink-soft)}
@media(min-width:860px){.rbn-sticky{display:none}}

/* simple animated bar chart used on blog posts */
.rbn-chart{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.rbn-chart svg{width:100%;height:auto;display:block}
.rbn-chart-bar{transform-box:fill-box;transform-origin:bottom;transform:scaleY(0);transition:transform .9s cubic-bezier(.2,.7,.3,1)}
.is-in .rbn-chart-bar{transform:scaleY(1)}
.rbn-chart .cap{font-size:12px;color:#8B84A1;margin-top:10px;font-style:italic}
@media(prefers-reduced-motion:reduce){.rbn-chart-bar{transition:none;transform:scaleY(1)}}

/* hero gauge fill animation */
.rbn-gauge-fill{stroke-dashoffset:220}
.is-in .rbn-gauge-fill{animation:rbnGaugeFill 1.6s ease forwards .3s}
@keyframes rbnGaugeFill{to{stroke-dashoffset:55}}
@media(prefers-reduced-motion:reduce){
  .is-in .rbn-gauge-fill{animation:none;stroke-dashoffset:55}
}

/* reveal animation */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
}

/* legal pages (self-contained, minimal) */
.rbn-legal-body{font-family:var(--font-body);color:var(--ink);max-width:820px;margin:0 auto;padding:50px 24px 80px;line-height:1.7}
.rbn-legal-nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line)}
.rbn-legal-nav a{font-family:var(--font-head);font-weight:700;color:var(--purple-dark)}
.rbn-legal-body h1{margin-bottom:.3em}
.rbn-legal-body h2{font-size:1.3rem;margin-top:1.6em}
.rbn-legal-body p,.rbn-legal-body li{color:var(--ink-soft)}
.rbn-legal-body .updated{color:#8B84A1;font-size:14px;margin-bottom:2em}

/* blog */
.rbn-blog-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.rbn-blog-hero{padding:50px 0 10px}
.rbn-post-body p,.rbn-post-body li{color:var(--ink-soft)}
.rbn-post-body h2{margin-top:1.4em}
.rbn-progress{position:fixed;top:0;left:0;height:3px;background:var(--violet-deep);z-index:60;width:0%}

/* 404 */
.rbn-404{text-align:center;padding:110px 24px}

/* exit intent modal */
.rbn-exit{position:fixed;inset:0;background:rgba(42,33,67,.55);display:none;align-items:center;justify-content:center;z-index:70;padding:20px}
.rbn-exit.open{display:flex}
.rbn-exit-card{background:#fff;border-radius:22px;max-width:420px;width:100%;padding:34px 30px;text-align:center;position:relative}
.rbn-exit-close{position:absolute;top:14px;right:18px;background:none;border:0;font-size:22px;color:var(--ink-soft);cursor:pointer}
.rbn-exit-card h3{margin-bottom:10px}
.rbn-exit-card p{color:var(--ink-soft)}

/* back to top */
.rbn-totop{display:none;position:fixed;right:22px;bottom:90px;width:46px;height:46px;border-radius:50%;background:var(--violet-deep);color:#fff;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow);z-index:45;font-size:18px}
@media(min-width:860px){.rbn-totop{bottom:28px}}