*{min-width:0}
html,body{max-width:100%;overflow-x:hidden}
img,svg,video,canvas{max-width:100%;height:auto}
button,input,select,textarea{max-width:100%}
.container,.nav-inner,.footer-inner,.shell{width:100%}
.btn{max-width:100%;text-align:center}

.auth-wrap{max-width:min(500px,100%)}
.auth-card,.auth-steps,.panel,.plan,.feature,.step,.problem-visual,.streak-card,.why-right,.benefit-box{max-width:100%}
.auth-box{width:min(460px,calc(100vw - 32px));max-width:100%}
.auth-page{padding-inline:16px}
.auth-row{min-width:0}
.form-input,.auth-submit{min-width:0}
.auth-card-footer{gap:12px}
.toast{max-width:calc(100vw - 32px);right:16px;bottom:16px}

.page-hero,.doc-content,.toc-wrapper{max-width:100%;overflow:hidden}
.toc,.info-card,.warn-card,.amber-card,.contact-box{max-width:100%}
.doc-p,.section-title,.page-title{overflow-wrap:anywhere}
.doc-section{scroll-margin-top:173px}
.data-table{display:block;width:100%;overflow-x:auto;border-spacing:0}
.data-table tbody,.data-table thead,.data-table tr{min-width:640px}

.intro-logo-shell{max-width:min(70vw,660px);max-height:min(62vh,584px)}
.intro-logo-shell img{max-width:100%;max-height:100%}
.intro-chart{inset:8% 2% 10%}

@media(max-width:1280px){
  .hero-inner{width:58%;max-width:620px}
  .hero-widget{right:18px;width:min(470px,38vw)}
  .pricing-grid,.features-grid{gap:1px}
}

@media(max-width:1080px){
  .nav-inner{padding-inline:24px;gap:16px}
  .nav-links{gap:18px;flex-wrap:wrap;justify-content:center}
  .hero-inner{width:100%;max-width:760px}
  .hero-widget{display:none}
  .hero-stats{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .h-stat{padding:18px 20px}
  .problem-layout,.streak-layout,.why-layout{grid-template-columns:1fr;gap:46px}
  .question-cards{grid-template-columns:1fr}
  .q-divider{padding:8px 0}
  .pricing-grid,.features-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .solution-title,.benefit-title,.cta-title{font-size:clamp(36px,7vw,62px)}
}

@media(max-width:820px){
  .nav{height:auto;min-height:68px}
  .nav-inner{padding:12px 20px;align-items:flex-start;flex-direction:column}
  .nav-inner > div{flex-wrap:wrap}
  .nav-logo{font-size:20px}
  .nav-logo .logo,.footer-logo .logo{height:54px;width:auto}
  .nav-back{font-size:12px}
  .nav-links{display:flex;gap:12px;justify-content:flex-start}
  .nav-links a{font-size:12px}
  .nav-cta{width:100%;justify-content:flex-start;flex-wrap:wrap}
  #hero{min-height:auto;padding-top:128px;padding-bottom:72px}
  section{padding:78px 0}
  .container{padding-inline:20px}
  .hero-headline{font-size:clamp(42px,13vw,70px)}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:1fr;border-right:0}
  .h-stat{border-right:0;border-bottom:1px solid var(--c-border)}
  .h-stat:last-child{border-bottom:0}
  .problem-visual{padding:18px}
  .pv-risk-grid{grid-template-columns:1fr}
  .pricing-grid,.features-grid,.steps{grid-template-columns:1fr}
  .feature-icon{margin-left:0}
  .sc-pro-hero{flex-direction:column;align-items:flex-start}
  .sc-pro-orb{min-width:0}
  .sc-days{overflow-x:auto;padding-bottom:4px}
  .sc-day{min-width:54px}
  .sc-badges{grid-template-columns:repeat(2,max-content)}
  .sc-badge.rank-diamond,.sc-badge.rank-titanium{grid-column:auto}
  .footer-inner{flex-direction:column}
  footer{padding:30px 20px}

  .main{padding:104px 18px 64px}
  .auth-page{align-items:flex-start;padding-top:116px;padding-bottom:72px}
  .auth-box{padding:34px 24px;margin:0 auto}
  .auth-row{grid-template-columns:1fr}
  .auth-title{font-size:clamp(26px,8vw,32px)}
  .auth-sub{margin-bottom:28px}
  .auth-terms{gap:10px}
  .auth-divider{gap:10px}
  .auth-card-inner{padding:32px 24px}
  .auth-card-footer{padding:18px 24px;flex-direction:column;text-align:center}
  .auth-steps{flex-direction:column}
  .auth-step{width:100%;border-right:0;border-bottom:1px solid var(--c-border)}
  .nav-step-label,.nav-right{display:none}

  .shell{padding:18px 20px 42px}
  .shell .nav{margin:0 -20px 26px;padding:14px 20px}
  .hero{grid-template-columns:1fr !important}
  .grid-3{grid-template-columns:1fr !important}
  .panel{padding:18px}
  .account-top{align-items:flex-start}
  .title{font-size:clamp(30px,10vw,46px)}
  .plan-row{align-items:flex-start;flex-direction:column}
  .file-drop-copy small{max-width:calc(100vw - 130px)}

  .page-hero{padding:118px 0 58px}
  .container{max-width:100%}
  .toc{padding:22px 20px}
  .toc-list a{font-size:12px;align-items:flex-start}
  .page-meta{gap:10px;flex-direction:column;align-items:flex-start}
  .doc-content{padding:52px 0 72px}
  .doc-section{margin-bottom:52px}
  .doc-section{scroll-margin-top:156px}
  .info-card,.warn-card,.amber-card,.contact-box{padding:18px}
  .footer-links{gap:14px}

  /* Legacy standalone app */
  .app{display:block;padding-top:0}
  .sidebar{position:static;width:auto;border-right:0}
  .main{margin-left:0;margin-right:0;max-width:none}
  .sb-nav{display:grid;grid-template-columns:1fr 1fr;padding:10px}
  .sb-section-lbl{grid-column:1/-1}
  .sb-item{padding:10px 12px}
  .nav-center{display:none}
  .tc-grid,.rv-grid,.dash-grid,.disc-hero,.dsp-stats,.streak-section,.stats-big-grid,.prof-grid{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .log-head{display:none}
  .log-row{grid-template-columns:1fr;gap:5px}
  .ob-grid,.emo-grid,.opt-grid{grid-template-columns:1fr}
  .sess-state-bar,.step-nav,.ob-nav{flex-direction:column;align-items:stretch;gap:10px}
  .modal{max-width:calc(100vw - 32px)}
}

@media(max-width:560px){
  .intro-logo-shell{max-width:86vw;max-height:48vh}
  .intro-brand{font-size:28px}
  .intro-progress{width:72vw}
  .nav-links{display:none}
  .hero-actions,.cta-actions,.upgrade,.avatar-buttons{width:100%;display:grid;grid-template-columns:1fr}
  .btn,.btn-primary,.btn-outline,.btn-ghost{width:100%;justify-content:center}
  .auth-card-inner{padding:28px 18px}
  .main{padding-inline:14px}
  .panel{padding:16px}
  .auth-box{padding:30px 18px}
  .auth-logo,.footer-logo,.nav-logo{line-height:1.2;flex-wrap:wrap}
  .auth-submit{white-space:normal}
  .auth-divider-text{white-space:normal;text-align:center}
  .page-title{font-size:clamp(34px,12vw,48px);line-height:1}
  .section-title{font-size:22px}
  .doc-p,.doc-list li{font-size:14px}
  .doc-list li{line-height:1.75}
  .data-table tbody,.data-table thead,.data-table tr{min-width:560px}
  .metric b{font-size:clamp(24px,12vw,38px)}
  .account-top{flex-direction:column}
  .file-drop{align-items:flex-start}

  .sb-nav{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:1fr}
  .dsp-7days{gap:3px}
  .dsp-day{min-width:0;padding:7px 3px}
  .nav-timer,.nav-sstate{width:100%;text-align:left}
}

/* Full-site mobile hardening */
body{width:100%}
table{max-width:100%}
pre,code{white-space:pre-wrap;overflow-wrap:anywhere}
.page,.main,.wrap,.container,.auth-wrap,.auth-card,.checkout-head,.layout,.panel,.summary,.price-card,.coupon-box,.doc-content,.doc-section,.hero-content,.pricing-card,.feature-card{min-width:0}
.title,.hero-headline,.hero-title,.auth-title,.page-title,.section-title,.plan-name,.footer-logo,.nav-logo,.brand,.nav-logo span{overflow-wrap:anywhere}
.nav-logo img,.brand-logo,.logo{flex:0 0 auto;object-fit:contain}
.coupon-form,.auth-actions,.hero-actions,.cta-actions,.nav-cta{min-width:0}
.coupon-form input,.form-input,.form-select{width:100%}
.puzzle-track{min-width:0}
.puzzle-text{padding-inline:54px;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.puzzle-piece{z-index:2}

@media(max-width:1180px){
  .checkout-head,.layout{grid-template-columns:1fr !important}
  .trust-row{justify-content:flex-start !important}
  .wrap{max-width:100%;padding-inline:24px}
}

@media(max-width:900px){
  body{overflow-x:hidden}
  .nav{position:sticky;top:0;height:auto;min-height:64px}
  .nav-inner{width:100%;padding:12px 20px;gap:12px;flex-wrap:wrap}
  .nav-logo{font-size:clamp(18px,5vw,22px);line-height:1.2}
  .nav-logo .logo,.footer-logo .logo,.logo{height:48px;width:auto}
  .nav-cta,.nav-right{flex-wrap:wrap}
  .wrap{padding-top:92px;padding-bottom:42px}
  .checkout-head{gap:22px;margin-bottom:18px}
  .title,.hero-headline,.page-title{font-size:clamp(34px,10vw,58px);line-height:1.04}
  .sub,.hero-sub{font-size:15px}
  .layout{display:grid;background:transparent;gap:14px}
  .panel,.summary,.price-card,.coupon-box,.auth-box,.owned-box,.ls-card{padding:20px}
  .plan-name{font-size:clamp(30px,10vw,42px)}
  .coupon-form,.auth-actions{display:grid !important;grid-template-columns:1fr !important}
  .coupon-window{grid-template-columns:1fr}
  .coupon-window b{width:max-content;max-width:100%}
  .total strong{font-size:clamp(32px,12vw,44px)}
  .line,.total{gap:10px}
  .mini-grid{grid-template-columns:1fr !important}
  .security-row{gap:12px;text-align:center}
  .security-item{justify-content:center}
}

@media(max-width:640px){
  .container,.wrap{padding-inline:16px}
  section{padding-block:58px}
  .nav-inner{padding-inline:16px}
  .nav-cta,.nav-right,.hero-actions,.cta-actions{width:100%;display:grid !important;grid-template-columns:1fr}
  .nav-cta .btn,.nav-right .btn,.hero-actions .btn,.cta-actions .btn{width:100%;justify-content:center}
  .hero-stats,.pricing-grid,.features-grid,.steps,.problem-layout,.solution-grid,.benefit-grid,.faq-grid,.footer-inner{grid-template-columns:1fr !important}
  .trust-row{display:grid;width:100%;grid-template-columns:1fr}
  .trust{text-align:center}
  .auth-wrap{max-width:100%}
  .auth-card-inner{padding:26px 18px}
  .auth-card-footer{padding:18px;gap:10px}
  .auth-options-row{align-items:flex-start;flex-direction:column}
  .human-puzzle{padding:12px}
  .human-puzzle-top{align-items:flex-start;flex-direction:column}
  .human-chip{align-self:flex-start}
  .puzzle-track{height:46px}
  .puzzle-piece{width:36px;height:36px}
  .puzzle-target{width:32px;height:32px}
  .puzzle-text{font-size:10px}
  .page-hero{padding-top:92px}
  .toc-wrapper,.toc,.doc-section,.info-card,.warn-card,.amber-card,.contact-box{width:100%}
  .doc-list{padding-left:0}
  footer{padding:28px 16px}
}

/* Checkout mobile nav needs a compact payment-page layout. */
@media(max-width:640px){
  body.checkout-page .nav-inner{align-items:center;gap:10px}
  body.checkout-page .nav-logo{width:100%;justify-content:center}
  body.checkout-page .nav-cta{width:100%;display:grid !important;grid-template-columns:1fr 1fr;gap:8px}
  body.checkout-page .nav-cta .btn{width:100%;min-height:42px;padding:10px 12px;font-size:12px}
  body.checkout-page .wrap{padding-top:34px}
  body.checkout-page .title{font-size:clamp(34px,13vw,48px);line-height:1.05}
  body.checkout-page .plan-name{font-size:clamp(30px,11vw,42px);line-height:1.08;overflow-wrap:anywhere}
  body.checkout-page .panel{overflow:hidden}
  body.checkout-page .trust-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  body.checkout-page .trust{padding:8px 7px;font-size:9px}
}

@media(max-width:420px){
  .nav-logo .logo,.footer-logo .logo,.logo{height:42px}
  .btn,.btn-primary,.btn-outline,.btn-ghost,.auth-submit,.pay-btn,.auth-btn{min-height:44px;padding-inline:14px;white-space:normal}
  .auth-title{font-size:clamp(25px,9vw,32px)}
  .auth-sub{font-size:13px}
  .form-input{font-size:14px;padding:13px 14px}
  .panel,.summary,.price-card,.coupon-box,.auth-box,.owned-box,.ls-card{padding:16px}
  .line{flex-direction:column}
  .total{align-items:flex-start;flex-direction:column}
  .feature{font-size:13px}
  .footer-logo{font-size:18px}
}

@media(max-width:420px){
  body.checkout-page .nav-inner{padding:10px 14px}
  body.checkout-page .nav-logo{font-size:19px}
  body.checkout-page .nav-logo .logo{height:40px}
  body.checkout-page .nav-cta .btn{min-height:40px;padding:9px 10px}
  body.checkout-page .wrap{padding:26px 14px 38px}
  body.checkout-page .trust-row{grid-template-columns:1fr}
}