:root{
  --cyan: #4FD6E8;
  --violet: #7C6FF0;
  --on-accent: #04141A;
  --btn-glow: rgba(79,214,232,0.25);
  --danger: #F0555A;
  --danger-dark: #C4383D;
  --bg: #0A0A0A;
  --panel: #151515;
  --panel-2: #1D1D1D;
  --line: #2B2B2B;
  --line-strong: #3A3F4D;
  --text: #E6EAF5;
  --text-dim: #8A8F98;
  --amber: #E8A33D;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --sans: 'Inter', system-ui, sans-serif;
  --heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --radius: 2px;
}
/* Light mode — same structure, swapped palette. Toggled via [data-theme] on <html>. */
html[data-theme="light"]{
  --cyan: #16305C;
  --violet: #D6A73C;
  --amber: #B8842E;
  --bg: #E7E4DD;
  --panel: #F4F2ED;
  --panel-2: #E3DFD5;
  --line: #D3CEC2;
  --line-strong: #C2BCAE;
  --text: #1E2024;
  --text-dim: #5F636A;
  --on-accent: #FFFFFF;
  --btn-glow: rgba(22,48,92,0.18);
}
.theme-toggle{
  background:transparent;
  border:1px solid var(--line);
  border-radius:999px;
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-dim);
  cursor:pointer;
  padding:0;
  flex-shrink:0;
  transition:color .15s, border-color .15s;
}
.theme-toggle:hover{ color:var(--cyan); border-color:var(--cyan); }
.theme-toggle svg{ width:15px; height:15px; }

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

/* ---------- topbar ---------- */
.topbar{
  border-bottom:2px solid var(--line);
  background:var(--bg);
  position:sticky;
  top:0;
  z-index:10;
  padding:10px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{display:flex; flex-direction:column; align-items:center; gap:3px;}
.brand-mark{ width:72px; height:13px; flex-shrink:0; }
.brand-mark .mark-node{ fill:var(--cyan); }
.brand-mark .mark-node-top{ fill:var(--violet); }
.brand-name{
  font-family:var(--heading);
  font-size:0.82rem;
  font-weight:400;
  color:var(--text-dim);
  letter-spacing:-0.01em;
  line-height:1.3;
  display:inline-flex;
}
.brand-text{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:0;
}
.brand-name .accent{color:var(--cyan);}
.brand-academy{
  font-family:var(--heading);
  font-size:0.95rem;
  font-weight:700;
  color:var(--text);
  letter-spacing:-0.01em;
}
.topbar-cta{
  font-family:var(--sans);
  font-weight:700;
  font-size:0.85rem;
  color:var(--on-accent);
  background:var(--cyan);
  padding:8px 18px;
  border-radius:999px;
  text-decoration:none;
  white-space:nowrap;
  transition:filter .15s ease;
  border:none;
  cursor:pointer;
  box-shadow:0 0 12px var(--btn-glow);
}
.topbar-cta:hover{filter:brightness(1.08);}
.topbar-nav{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:24px;
  min-width:0;
}
.topbar-nav a{
  color:var(--text-dim);
  text-decoration:none;
  font-size:0.92rem;
  font-weight:600;
  white-space:nowrap;
  transition:color .15s;
}
.topbar-nav a:hover{ color:var(--cyan); }
@media (max-width:820px){
  .topbar{ flex-wrap:wrap; row-gap:10px; }
  .topbar-nav{
    order:3;
    flex:1 1 100%;
    gap:16px;
    font-size:0.85rem;
    padding-top:10px;
    border-top:1px solid var(--line);
  }
  .topbar-nav a{ font-size:0.85rem; }
}
.topbar-auth{
  display:flex;
  align-items:center;
  gap:16px;
}
.topbar-link{
  background:none;
  border:none;
  font-family:var(--sans);
  font-weight:700;
  font-size:0.82rem;
  color:var(--text);
  cursor:pointer;
  padding:0;
  white-space:nowrap;
}
.topbar-link:hover{color:var(--cyan); text-decoration:underline;}

/* ---------- update banner ---------- */
.update-banner{
  background:rgba(52,211,153,0.08);
  border-bottom:2px solid var(--cyan);
  padding:10px 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  text-align:center;
}
.update-banner-tag{
  font-family:var(--mono);
  color:var(--cyan);
  font-size:0.68rem;
  font-weight:800;
  letter-spacing:0.08em;
}
.update-banner-sep{
  color:var(--text-dim);
  font-size:0.72rem;
}
.update-banner-timer{
  font-family:var(--mono);
  color:var(--text);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  font-size:0.78rem;
  font-weight:800;
  padding:3px 8px;
  letter-spacing:0.04em;
}
@media (max-width:480px){
  .update-banner{padding:8px 12px; gap:6px;}
  .update-banner-tag{font-size:0.62rem;}
}

/* ---------- layout ---------- */
#app{
  max-width:760px;
  margin:0 auto;
  padding:0 20px 80px;
}
.screen{width:100%;}

/* ---------- hero, matching the landing page's dot-grid + glow treatment ----------
   Two columns like the homepage hero: copy on the left, the photo on the
   right in its own rounded panel, instead of a full-bleed photo background. */
.sp-hero{
  position:relative;
  left:50%;
  right:50%;
  margin-left:-50vw;
  margin-right:-50vw;
  width:100vw;
  background:var(--bg);
  background-image:radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size:26px 26px;
  overflow:hidden;
  padding:64px 20px 56px;
}
.sp-hero::before{
  content:"";
  position:absolute;
  top:-15%;
  right:-8%;
  width:55%;
  height:75%;
  background:radial-gradient(circle, rgba(79,214,232,0.16), transparent 65%);
  pointer-events:none;
  z-index:0;
}
html[data-theme="light"] .sp-hero{
  background-image:radial-gradient(rgba(60,80,120,0.08) 1px, transparent 1px);
}
html[data-theme="light"] .sp-hero::before{
  background:radial-gradient(circle, rgba(22,48,92,0.10), transparent 65%);
}
.sp-hero-inner{
  position:relative;
  z-index:1;
  max-width:1040px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:48px;
  align-items:center;
}
@media (max-width:760px){
  .sp-hero-inner{ grid-template-columns:1fr; gap:28px; }
  .sp-hero-visual{ order:-1; max-width:280px; margin:0 auto; }
}
.sp-hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px 6px 8px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--panel);
  font-family:var(--mono);
  font-size:0.7rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--text-dim);
  margin-bottom:18px;
}
.sp-hero-kicker .dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(74,222,128,0.18);
  flex-shrink:0;
}
.sp-hero-content h1{
  font-family:var(--heading);
  font-size:2.5rem;
  line-height:1.14;
  letter-spacing:-0.015em;
  color:var(--text);
  margin:0 0 8px;
  max-width:13ch;
}
.sp-hero-visual{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  aspect-ratio:4/5;
  max-height:420px;
}
.sp-hero-visual::before{
  content:"";
  position:absolute;
  inset:-3px;
  border-radius:24px;
  background:linear-gradient(135deg, var(--cyan), var(--violet));
  z-index:0;
  opacity:0.55;
}
.sp-hero-visual img{
  position:relative;
  z-index:1;
  width:calc(100% - 6px);
  height:calc(100% - 6px);
  margin:3px;
  object-fit:cover;
  display:block;
  border-radius:19px;
}
.hero-rotator{
  display:block;
  min-height:1.7em;
  font-family:var(--heading);
  font-size:1.1rem;
  font-weight:600;
  color:var(--text-dim);
  margin:4px 0 26px;
}
.hero-rotator span{
  display:inline-block;
  opacity:0;
  transform:translateY(14px);
  transition:opacity .45s ease, transform .45s ease;
}
.hero-rotator span.is-visible{
  opacity:1;
  transform:translateY(0);
}
.hero-rotator span.is-leaving{
  opacity:0;
  transform:translateY(-14px);
}
@media (max-width:480px){
  .quiz-mock-card{ max-width:100%; }
  .quiz-mock-question{ font-size:0.98rem; min-height:2.8em; }
  .quiz-mock-option{ font-size:0.86rem; padding:11px 12px; }
}

/* ---------- animated mock quiz card (Security+ hero visual) ---------- */
/* No border, no background panel, no shadow: blends directly into the page
   instead of reading as a separate floating box. */
.quiz-mock-card{
  width:100%;
  max-width:400px;
}
.quiz-mock-eyebrow{
  font-family:var(--mono);
  font-size:0.68rem;
  letter-spacing:0.1em;
  color:var(--cyan);
  font-weight:700;
  margin:0 0 12px;
  min-height:1em;
}
.quiz-mock-question{
  font-family:var(--heading);
  font-weight:700;
  font-size:1.05rem;
  color:var(--text);
  margin:0 0 20px;
  min-height:3.2em;
}
.quiz-mock-options{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.quiz-mock-option{
  border:1.5px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
  font-size:0.9rem;
  color:var(--text-dim);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .3s ease, transform .3s ease, border-color .3s ease, background .3s ease, color .3s ease;
}
.quiz-mock-option.is-visible{ opacity:1; transform:translateY(0); }
.quiz-mock-option.is-selected{
  border-color:var(--cyan);
  color:var(--text);
}
.quiz-mock-option.is-correct{
  border-color:#4ADE80;
  background:rgba(74,222,128,0.1);
  color:var(--text);
}
.quiz-mock-option.is-correct::after{
  content:" \2713";
  color:#4ADE80;
  font-weight:800;
}

.hero-cta{
  display:inline-block;
  text-decoration:none;
  width:auto;
  margin-top:14px;
}
@media (max-width:640px){
  .sp-hero{ padding:48px 20px 40px; }
  .sp-hero-content h1{ font-size:2rem; }
}

/* ---------- feature cards — big centered icon + short label, Cisco-style ---------- */
/* Full-bleed breakout band, spanning the full browser width instead of being
   confined to the site's normal narrow content column — with a cyan-to-violet
   gradient accent line along the bottom, echoing the reference screenshot. */
.feature-cards-section{
  position:relative;
  left:50%;
  right:50%;
  margin-left:-50vw;
  margin-right:-50vw;
  width:100vw;
  margin-top:64px;
  padding:56px 40px 70px;
  background:var(--bg);
  overflow:hidden;
}
.feature-cards-section::before{
  content:"";
  position:absolute;
  bottom:-20%;
  left:50%;
  transform:translateX(-50%);
  width:80%;
  height:60%;
  background:radial-gradient(ellipse at center, rgba(79,214,232,0.22), transparent 70%);
  pointer-events:none;
  z-index:0;
}
html[data-theme="light"] .feature-cards-section::before{
  background:radial-gradient(ellipse at center, rgba(14,124,145,0.14), transparent 70%);
}
.feature-cards{
  position:relative;
  z-index:1;
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
}
@media (max-width:860px){
  .feature-cards{grid-template-columns:repeat(2, 1fr);}
}
@media (max-width:520px){
  .feature-cards{grid-template-columns:1fr;}
  .feature-cards-section{padding:44px 24px 48px;}
}
.feature-card{
  background:var(--bg);
  border:1.5px solid var(--line-strong);
  border-radius:20px;
  padding:36px 20px;
  min-height:170px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:18px;
  text-align:center;
  transition:opacity .6s cubic-bezier(.16,1,.3,1), transform .35s cubic-bezier(.16,1,.3,1), border-color .18s ease, box-shadow .18s ease;
}
.feature-card:hover{
  transform:translateY(-3px);
  border-color:var(--cyan);
  box-shadow:0 12px 30px rgba(79,214,232,0.14);
}
.feature-card-icon{
  width:52px;
  height:52px;
}
.feature-card-label{
  font-family:var(--heading);
  font-weight:700;
  font-size:1.05rem;
  color:var(--text);
  margin:0;
}

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.18em;
  color:var(--cyan);
  font-weight:700;
  margin:0 0 10px;
}

/* ---------- start screen ---------- */
.start-card{padding-top:24px;}
.start-card h1{
  font-size:2.1rem;
  line-height:1.15;
  margin:0 0 12px;
  letter-spacing:-0.01em;
  max-width:14ch;
}
.lede{
  color:var(--text-dim);
  font-size:1.02rem;
  max-width:44ch;
  margin:0 0 32px;
}

/* ---------- two-stage panels ---------- */
.stages{
  padding-top:20px;
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:20px;
}
@media (max-width:760px){
  .stages{grid-template-columns:1fr;}
}
.product-heading{
  margin:48px 0 20px;
  padding-top:36px;
  border-top:2px solid var(--line);
}
.product-heading--first{
  margin-top:20px;
  padding-top:0;
  border-top:none;
}
.product-title{
  font-size:1.7rem;
  line-height:1.2;
  margin:0;
  color:var(--text);
  letter-spacing:-0.01em;
}
.stage-card{
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  transition:opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1), border-color .4s ease, box-shadow .4s ease;
}
.stage-card.is-highlighted{
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(79,214,232,0.3), 0 12px 30px rgba(79,214,232,0.18);
}
.stage-eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.18em;
  color:var(--cyan);
  font-weight:700;
  margin:0 0 8px;
}
.stage-heading{
  font-family:var(--heading);
  font-size:1.5rem;
  line-height:1.2;
  margin:0 0 10px;
  letter-spacing:-0.01em;
  color:var(--text);
}
.stage-lede{
  color:var(--text-dim);
  font-size:0.96rem;
  line-height:1.5;
  max-width:52ch;
  margin:0 0 22px;
}
.stage-lede code{
  font-family:var(--mono);
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:4px;
  padding:1px 6px;
  font-size:0.88em;
  color:var(--cyan);
}
.action-prompt--tight{
  margin:0 0 12px;
  font-size:0.95rem;
}
.stage-actions{
  display:flex;
  flex-direction:row;
  flex-wrap:wrap;
  gap:10px;
  margin-top:auto;
  padding-top:22px;
}
.stage-actions .btn-primary,
.stage-actions .btn-secondary{
  width:auto;
  padding:9px 20px;
  font-size:0.85rem;
}
@media (max-width:560px){
  .stage-card{padding:22px 18px;}
  .stage-heading{font-size:1.32rem;}
}

.mode-select{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:28px;
}
@media (max-width:560px){
  .mode-select{grid-template-columns:1fr;}
}
.mode-card{
  text-align:left;
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:18px 16px;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:border-color .15s ease, box-shadow .15s ease;
  font-family:var(--sans);
}
.mode-card:hover{border-color:var(--line-strong);}
.mode-card:focus-visible{outline:3px solid var(--cyan); outline-offset:2px;}
.mode-card[aria-pressed="true"]{
  border-color:var(--cyan);
  box-shadow:3px 3px 0 var(--cyan);
}
.mode-num{
  font-family:var(--mono);
  font-size:0.72rem;
  color:var(--cyan);
  font-weight:700;
}
.mode-title{font-weight:700; font-size:1.02rem;}
.mode-desc{font-size:0.86rem; color:var(--text-dim); line-height:1.4;}

.btn-primary{
  background:var(--cyan);
  color:var(--on-accent);
  border:none;
  border-radius:999px;
  font-family:var(--sans);
  font-weight:700;
  font-size:1rem;
  padding:15px 28px;
  cursor:pointer;
  box-shadow:0 0 28px var(--btn-glow);
  transition:filter .15s ease, transform .1s ease;
}
.btn-primary:hover{filter:brightness(1.08);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:3px solid var(--text); outline-offset:2px;}
.btn-primary:disabled{background:var(--line); color:var(--text-dim); cursor:not-allowed;}

.qcount{
  font-family:var(--mono);
  font-size:0.85rem;
  font-weight:600;
  color:var(--text);
  margin-top:14px;
}
.qcount #qcount-num{
  color:var(--cyan);
  font-weight:800;
}

/* ---------- quiz hud ---------- */
.quiz-hud{margin-bottom:22px;}
.progress-track{
  height:4px;
  background:var(--line);
  border-radius:2px;
  overflow:hidden;
  margin-bottom:14px;
}
.progress-fill{
  height:100%;
  background:var(--cyan);
  width:0%;
  transition:width .3s ease;
}
.hud-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.q-position{
  font-family:var(--mono);
  font-weight:700;
  font-size:0.88rem;
  letter-spacing:0.03em;
}
.score-live{
  font-family:var(--mono);
  font-size:0.82rem;
  color:var(--text-dim);
}
.score-live strong{color:var(--text);}

.timer{position:relative; width:44px; height:44px;}
.timer-ring{width:44px; height:44px; transform:rotate(-90deg);}
.timer-ring-bg{fill:none; stroke:var(--line); stroke-width:3;}
.timer-ring-fg{
  fill:none;
  stroke:var(--cyan);
  stroke-width:3;
  stroke-linecap:round;
  stroke-dasharray:106.8;
  stroke-dashoffset:0;
  transition:stroke-dashoffset 1s linear, stroke .2s ease;
}
#timer-num{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-weight:700;
  font-size:0.82rem;
}
.timer.warn #timer-num{color:var(--amber);}
.timer.warn .timer-ring-fg{stroke:var(--amber);}
.timer.danger #timer-num{color:var(--danger);}
.timer.danger{animation:pulse 1s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;} 50%{opacity:.55;}}

/* ---------- brand watermark (screenshot deterrent) ---------- */
.watermarked{position:relative; overflow:hidden;}
.watermarked::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-repeat:repeat;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='120'><text x='0' y='70' font-family='JetBrains Mono, monospace' font-size='18' font-weight='800' fill='rgba(255,255,255,0.04)' transform='rotate(-20 100 60)'>AliTere</text></svg>");
}

/* ---------- question card ---------- */
.question-card{
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px;
}
.select-two-hint{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.1em;
  color:var(--cyan);
  font-weight:700;
  margin:0 0 10px;
}
.question-text{
  font-size:1.18rem;
  line-height:1.45;
  margin:0 0 22px;
  font-weight:600;
}
.context-block{
  font-family:var(--mono);
  font-size:0.84rem;
  line-height:1.6;
  background:#0A0F1E;
  color:#A8F0C6;
  border:2px solid #2A3B5C;
  border-radius:var(--radius);
  padding:14px 16px;
  margin:0 0 20px;
  white-space:pre-wrap;
  word-break:break-word;
  overflow-x:auto;
}
.question-text code{
  font-family:var(--mono);
  background:var(--panel-2);
  color:var(--cyan);
  padding:1px 5px;
  border-radius:2px;
  font-size:0.92em;
}

.options-list{display:flex; flex-direction:column; gap:10px;}
.option{
  display:flex;
  align-items:flex-start;
  gap:14px;
  background:var(--panel-2);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:14px 16px;
  cursor:pointer;
  text-align:left;
  width:100%;
  font-family:var(--sans);
  font-size:0.98rem;
  color:var(--text);
  transition:border-color .12s ease, background .12s ease;
}
.option:hover:not(:disabled){border-color:var(--line-strong);}
.option:focus-visible{outline:3px solid var(--cyan); outline-offset:2px;}
.option-letter{
  font-family:var(--mono);
  font-weight:700;
  font-size:0.85rem;
  color:var(--text-dim);
  border:2px solid var(--line);
  border-radius:2px;
  width:26px;
  height:26px;
  min-width:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all .12s ease;
}
.option.selected{border-color:var(--line-strong); background:var(--panel);}
.option.selected .option-letter{border-color:var(--text-dim); background:var(--text-dim); color:var(--bg);}

.option.correct{border-color:var(--cyan); background:rgba(52,211,153,0.12);}
.option.correct .option-letter{background:var(--cyan); border-color:var(--cyan); color:var(--on-accent);}
.option.incorrect{border-color:var(--danger); background:rgba(240,85,90,0.12);}
.option.incorrect .option-letter{background:var(--danger); border-color:var(--danger); color:#fff;}
.option:disabled{cursor:default;}

.feedback-banner{
  margin-top:18px;
  padding:12px 16px;
  border-radius:var(--radius);
  font-family:var(--sans);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.feedback-banner[hidden]{display:none;}
.feedback-banner .fb-message{
  font-weight:700;
  font-size:0.94rem;
  display:flex;
  align-items:center;
  gap:8px;
}
.feedback-banner .fb-explanation{
  font-weight:400;
  font-size:0.88rem;
  line-height:1.55;
  margin:8px 0 0;
  padding:10px 12px;
  border-radius:calc(var(--radius) - 4px);
  background:var(--panel-2);
  color:var(--text);
  border:1px solid var(--line);
}
.feedback-banner.correct{background:rgba(52,211,153,0.1); color:var(--cyan); border:2px solid var(--cyan);}
.feedback-banner.incorrect{background:rgba(240,85,90,0.1); color:var(--danger); border:2px solid var(--danger);}
.feedback-banner.timeout{background:rgba(240,168,37,0.1); color:var(--amber); border:2px solid var(--amber);}

.btn-submit{width:100%;}
.quiz-nav{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.quiz-nav .btn-submit{margin-top:0; flex:1;}
.btn-prev{
  flex:0 0 auto;
  white-space:nowrap;
}

/* ---------- results ---------- */
.results-card{padding-top:40px; text-align:center;}

/* ---------- account / payment screen — open layout, no boxed card, soft ambient glow instead ---------- */
#screen-signup-pay{
  position:relative;
  min-height:70vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px 0;
  overflow:hidden;
}
#screen-signup-pay[hidden]{ display:none; }
#screen-signup-pay::before{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  width:600px;
  height:600px;
  background:radial-gradient(ellipse at center, rgba(79,214,232,0.16), transparent 70%);
  pointer-events:none;
  z-index:0;
}
html[data-theme="light"] #screen-signup-pay::before{
  background:radial-gradient(ellipse at center, rgba(14,124,145,0.10), transparent 70%);
}
.signup-pay-card{
  position:relative;
  z-index:1;
  max-width:400px;
  width:100%;
  margin:0 auto;
  text-align:center;
}
.results-card .eyebrow{text-align:center;}
.results-score{
  font-family:var(--mono);
  font-size:4rem;
  margin:0 0 12px;
  letter-spacing:-0.02em;
}
.results-message{
  color:var(--text-dim);
  font-size:1.05rem;
  margin:0 0 32px;
}

/* ---------- section labels ---------- */
.section-label{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  color:var(--text);
  font-weight:700;
  margin:26px 0 10px;
}
.action-prompt{
  font-family:var(--sans);
  font-weight:800;
  font-size:1.08rem;
  color:var(--text);
  letter-spacing:-0.01em;
  margin:26px 0 12px;
}
.action-prompt--center{
  text-align:center;
  margin:18px 0 20px;
}
.action-prompt--spaced{
  text-align:left;
  margin:34px 0 14px;
}

/* ---------- difficulty cards ---------- */
.diff-select{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:20px;
  margin-bottom:10px;
}
@media (max-width:640px){
  .diff-select{grid-template-columns:1fr;}
}
.diff-card{
  text-align:left;
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-family:var(--sans);
  color:var(--text);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.diff-card:hover{border-color:var(--line-strong);}
.diff-card:focus-visible{outline:3px solid var(--cyan); outline-offset:2px;}
.diff-card[aria-pressed="true"]{
  border-color:var(--cyan);
  box-shadow:3px 3px 0 var(--cyan);
}
.diff-badge{
  font-family:var(--mono);
  font-size:0.68rem;
  font-weight:800;
  letter-spacing:0.08em;
  color:var(--cyan);
}
.diff-card--untimed .diff-badge{color:var(--amber);}
.diff-card--untimed[aria-pressed="true"]{border-color:var(--amber); box-shadow:3px 3px 0 var(--amber);}
.diff-card--untimed .diff-time{font-size:1.7rem;}
.diff-time{
  font-family:var(--mono);
  font-weight:800;
  font-size:1.7rem;
  line-height:1;
}
.diff-time small{font-size:0.9rem; font-weight:700;}

/* ---------- tier live badge in HUD ---------- */
.tier-live{
  font-family:var(--mono);
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--text-dim);
  border:1px solid var(--line);
  border-radius:2px;
  padding:3px 8px;
}

/* ---------- secondary button ---------- */
.btn-secondary{
  background:transparent;
  color:var(--text);
  border:1.5px solid var(--line-strong);
  border-radius:999px;
  font-family:var(--sans);
  font-weight:600;
  font-size:0.95rem;
  padding:15px 28px;
  cursor:pointer;
}
.btn-secondary:focus-visible{outline:3px solid var(--cyan); outline-offset:2px;}

.results-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:center;
}

/* ---------- feedback emoji ---------- */
.feedback-banner .fb-emoji{font-size:1.2rem;}

/* ---------- pricing band ---------- */
.pricing-band{
  position:relative;
  margin-top:56px;
  padding:44px 32px 56px;
  color:var(--text);
  text-align:left;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr auto;
  gap:56px;
  align-items:center;
}
@media (max-width:760px){
  .pricing-band{ grid-template-columns:1fr; gap:32px; }
}
.pricing-band::before{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  width:70%;
  height:80%;
  background:radial-gradient(ellipse at center, rgba(79,214,232,0.14), transparent 70%);
  pointer-events:none;
  z-index:0;
}
html[data-theme="light"] .pricing-band::before{
  background:radial-gradient(ellipse at center, rgba(14,124,145,0.09), transparent 70%);
}
.pricing-band > *{ position:relative; z-index:1; }
.pricing-band .eyebrow{color:var(--cyan); text-align:left;}
.pricing-band h2{
  font-family:var(--heading);
  font-size:1.7rem;
  line-height:1.2;
  margin:0 0 14px;
  max-width:20ch;
}
.pricing-copy{
  color:var(--text-dim);
  font-size:0.98rem;
  max-width:38ch;
  margin:0;
  line-height:1.55;
}

.price-card{
  color:var(--text);
  padding:0;
  max-width:320px;
  width:100%;
  text-align:left;
}
.price-card--paywall{margin-top:28px; margin-bottom:28px;}
.price-tag{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:18px;
  border-bottom:2px solid var(--line);
  padding-bottom:18px;
}
.price-amount{
  font-family:var(--mono);
  font-weight:800;
  font-size:2.4rem;
  color:var(--cyan);
  letter-spacing:-0.02em;
}
.price-period{
  font-size:0.95rem;
  color:var(--text-dim);
  font-weight:600;
}
.price-features{
  list-style:none;
  margin:0 0 22px;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.price-features li{
  font-size:0.92rem;
  padding-left:22px;
  position:relative;
}
.price-features li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--cyan);
  font-weight:800;
}
.pricing-band .price-note{ text-align:left; }
.btn-unlock{width:100%;}
.price-note{
  font-size:0.82rem;
  font-weight:700;
  color:var(--text);
  text-align:center;
  letter-spacing:0.01em;
  margin:14px 0 0;
}
#auth-note{
  font-weight:400;
  color:var(--text-dim);
  font-size:0.78rem;
  letter-spacing:normal;
  line-height:1.5;
}

/* ---------- footer ---------- */
.site-footer{
  margin-top:56px;
  padding-top:24px;
  border-top:2px solid var(--line);
}
.footer-row{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  flex-wrap:wrap;
  gap:24px;
}
.footer-brand-block{ max-width:400px; text-align:left; }
.footer-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
  text-align:right;
}
@media (max-width:560px){
  .footer-row{ flex-direction:column; }
  .footer-meta{ align-items:flex-start; text-align:left; }
}
.footer-logo{ display:inline-block; margin-bottom:10px; }
.footer-brand{
  font-family:var(--mono);
  font-weight:700;
  font-size:0.88rem;
  margin:0 0 6px;
  text-align:left;
}
.footer-tag{
  font-size:0.8rem;
  color:var(--text-dim);
  margin:0;
  max-width:44ch;
  text-align:left;
}
.footer-contact{
  font-family:var(--sans);
  font-weight:700;
  font-size:0.85rem;
  color:var(--cyan);
  text-decoration:none;
}
.footer-contact:hover{text-decoration:underline;}
.footer-copyright{
  font-family:var(--sans);
  font-size:0.8rem;
  color:var(--text-dim);
  margin:0;
}

/* ---------- paywall screen ---------- */
.paywall-card{padding-top:36px; text-align:center;}
.paywall-card .eyebrow{text-align:center;}
.paywall-headline{
  font-size:1.3rem;
  font-weight:700;
  margin:0 0 12px;
}
.paywall-copy{
  color:var(--text-dim);
  font-size:0.98rem;
  max-width:46ch;
  margin:0 auto;
  line-height:1.55;
}
.paywall-card .btn-secondary{margin-top:8px;}

.reserve-heading{
  font-family:var(--heading);
  font-size:1.5rem;
  line-height:1.3;
  margin:0 0 16px;
}

/* ---------- auth form (signup + login) ---------- */
.auth-form{
  display:flex;
  flex-direction:column;
  gap:6px;
  text-align:left;
  max-width:360px;
  margin:0 auto 18px;
}
.auth-label{
  font-family:var(--mono);
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--text-dim);
  margin-top:10px;
}
.auth-input{
  border:none;
  border-bottom:2px solid var(--line);
  border-radius:0;
  padding:10px 2px;
  font-family:var(--sans);
  font-size:0.98rem;
  color:var(--text);
  background:transparent;
}
.auth-input:focus{border-bottom-color:var(--cyan); outline:none;}
.auth-error{
  color:var(--danger);
  background:rgba(240,85,90,0.12);
  border:2px solid var(--danger);
  border-radius:var(--radius);
  padding:10px 12px;
  font-size:0.86rem;
  font-weight:600;
  margin-top:6px;
}
.auth-status{
  color:var(--cyan);
  background:rgba(52,211,153,0.12);
  border:2px solid var(--cyan);
  border-radius:var(--radius);
  padding:10px 12px;
  font-size:0.86rem;
  font-weight:600;
  margin-top:6px;
}
.signup-pay-card .btn-primary{width:100%; margin-top:6px;}
.signup-pay-card .btn-secondary{margin-top:14px;}
.auth-tabs{
  display:flex;
  gap:8px;
  max-width:360px;
  margin:20px auto 4px;
}
.auth-tab{
  flex:1;
  background:var(--panel);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:10px 12px;
  font-family:var(--sans);
  font-weight:700;
  font-size:0.88rem;
  color:var(--text-dim);
  cursor:pointer;
  transition:border-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.auth-tab:hover{border-color:var(--line-strong);}
.auth-tab[aria-selected="true"]{
  border-color:var(--cyan);
  color:var(--text);
  box-shadow:2px 2px 0 var(--cyan);
}
.auth-forgot-link{
  align-self:flex-end;
  font-family:var(--sans);
  font-size:0.8rem;
  font-weight:600;
  color:var(--cyan);
  text-decoration:none;
  margin-top:6px;
}
.auth-forgot-link:hover{text-decoration:underline;}
.auth-help{
  font-size:0.82rem;
  color:var(--text-dim);
  margin-top:16px;
}
.auth-help a{color:var(--cyan); font-weight:600; text-decoration:none;}
.auth-help a:hover{text-decoration:underline;}
.auth-password-field{position:relative; display:flex; align-items:center;}
.auth-password-field[hidden]{display:none;}
.auth-password-field .auth-input{width:100%; padding-right:56px;}
.auth-eye-toggle{
  position:absolute;
  right:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  background:none;
  border:none;
  color:var(--text-dim);
  cursor:pointer;
  padding:0;
}
.auth-eye-toggle svg{ width:18px; height:18px; }
.auth-eye-toggle:hover{color:var(--cyan);}

/* ---------- signup/login card — restyled to match the same dark modal card
   used on the Complete Prep, Ports, and homepage login/signup screens,
   so the account UI looks identical everywhere on AliTere. ---------- */
#screen-signup-pay{
  background:rgba(6,10,22,0.88);
}
#screen-signup-pay::before{ display:none; }
.signup-pay-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:18px;
  padding:32px;
  max-width:380px;
  box-shadow:0 20px 60px rgba(0,0,0,0.35);
}
.signup-pay-card .eyebrow{ display:none; }
.signup-pay-card .reserve-heading{
  font-family:'Space Grotesk', sans-serif;
  font-weight:800;
  font-size:1.25rem;
  text-align:center;
  margin-bottom:18px;
}
.auth-close-btn{
  position:absolute;
  top:16px;
  right:16px;
  background:none;
  border:none;
  font-size:1.4rem;
  color:var(--text-dim);
  cursor:pointer;
  line-height:1;
}
.signup-pay-card .auth-label{
  display:block;
  font-family:'Inter', sans-serif;
  font-size:0.82rem;
  font-weight:600;
  letter-spacing:normal;
  color:var(--text-dim);
  margin-bottom:6px;
  margin-top:14px;
}
.signup-pay-card .auth-label[hidden]{ display:none; }
.signup-pay-card .auth-input{
  width:100%;
  border:1.5px solid var(--line);
  border-bottom:1.5px solid var(--line);
  border-radius:10px;
  padding:11px 13px;
  font-family:'Inter', sans-serif;
  font-size:0.92rem;
  color:var(--text);
  background:var(--bg);
}
.signup-pay-card .auth-input:focus{ border-color:var(--cyan); border-bottom-color:var(--cyan); outline:none; }
.signup-pay-card .auth-password-field .auth-input{ padding-right:44px; }
.signup-pay-card .auth-eye-toggle{ right:12px; }
.signup-pay-card .auth-error{
  color:#F0555A;
  background:none;
  border:none;
  padding:0;
  font-size:0.78rem;
  font-weight:400;
  margin-top:5px;
}
.signup-pay-card .auth-status{
  color:var(--text-dim);
  background:none;
  border:none;
  padding:0;
  text-align:center;
  font-size:0.84rem;
  font-weight:400;
  margin-top:12px;
}
.signup-pay-card .btn-primary{
  background:var(--cyan);
  color:var(--on-accent);
  border:none;
  border-radius:10px;
  padding:13px;
  font-weight:700;
  font-size:0.94rem;
  box-shadow:none;
}
.signup-pay-card .price-note{
  font-size:0.78rem;
  font-weight:400;
  color:var(--text-dim);
  text-align:center;
  line-height:1.5;
}
.signup-pay-card .auth-help{ text-align:center; font-size:0.86rem; color:var(--text-dim); margin-bottom:0; }
.signup-pay-card .auth-help a,
.signup-pay-card .auth-forgot-link{ color:var(--cyan); }
.auth-divider{ height:1px; background:var(--line); margin:20px 0; }

/* ---------- scroll-triggered reveal animations ---------- */
.reveal{
  opacity:0;
  transform:translateY(32px);
  transition:opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* ---------- contact support modal (replaces the old mailto link) ---------- */
.support-overlay{
  position:fixed;
  inset:0;
  background:rgba(2,4,10,0.6);
  backdrop-filter:blur(3px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  z-index:100;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
}
.support-overlay.is-open{
  opacity:1;
  pointer-events:auto;
}
.support-modal{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:20px;
  padding:40px;
  max-width:440px;
  width:100%;
  position:relative;
  transform:translateY(18px) scale(0.98);
  opacity:0;
  transition:transform .3s cubic-bezier(.2,.8,.2,1), opacity .3s ease;
}
.support-overlay.is-open .support-modal{
  transform:translateY(0) scale(1);
  opacity:1;
}
.support-close{
  position:absolute;
  top:18px;
  right:18px;
  background:transparent;
  border:none;
  color:var(--text-dim);
  font-size:26px;
  line-height:1;
  cursor:pointer;
  padding:4px;
}
.support-close:hover{ color:var(--text); }
.support-eyebrow{
  color:var(--cyan);
  font-size:0.75rem;
  font-weight:700;
  letter-spacing:0.08em;
  margin-bottom:12px;
}
.support-title{
  font-family:var(--heading);
  font-size:1.4rem;
  font-weight:700;
  color:var(--text);
  margin-bottom:10px;
}
.support-copy{
  color:var(--text-dim);
  font-size:0.92rem;
  line-height:1.55;
  margin-bottom:26px;
}
.support-form{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.support-label{
  font-size:0.8rem;
  font-weight:600;
  color:var(--text-dim);
  margin-top:14px;
  margin-bottom:2px;
}
.support-label:first-of-type{ margin-top:0; }
.support-input{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
  color:var(--text);
  font-family:inherit;
  font-size:0.95rem;
  outline:none;
  transition:border-color .15s;
}
.support-input:focus{ border-color:var(--cyan); }
.support-textarea{ resize:vertical; min-height:100px; }
.support-submit{
  width:100%;
  margin-top:22px;
  text-align:center;
}
.support-success{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:14px;
  padding:20px 0 8px;
  color:var(--text);
}
.support-success[hidden]{ display:none; }
.support-success svg{
  width:40px; height:40px;
  color:var(--cyan);
  background:rgba(79,214,232,0.12);
  border-radius:50%;
  padding:10px;
}
.support-error{
  color:#F0555A;
  background:rgba(240,85,90,0.1);
  border:1.5px solid #F0555A;
  border-radius:10px;
  padding:12px 14px;
  font-size:0.85rem;
  font-weight:600;
  margin-top:14px;
}
@media (max-width:480px){
  .support-modal{ padding:30px 24px; }
}