/* ============================================================================
   TopScore AI — styles.css
   ----------------------------------------------------------------------------
   TABLE OF CONTENTS
     1. Design tokens & reset
     2. Global utilities (wrap, eyebrow, mono, scroll progress)
     3. Accessibility (skip link, focus ring, reduced motion)
     4. Reveal-on-scroll animation
     5. Navigation (header, mobile menu)
     6. Hero (eyebrow, headline, lead, store badges, phone stage)
     7. Stat strip
     8. Section primitives (section-pad, section-head, spotlight, dark-section)
     9. Feature grid
    10. How-it-works flow
    11. App showcase (sticky phone + synced list)
    12. Curriculum cards
    13. Safety / big-check card
    14. Comparison table
    15. Pricing cards
    16. FAQ accordion
    17. Testimonials (voices)
    18. Newsletter capture
    19. Final CTA
    20. Footer
    21. Responsive breakpoints
   ============================================================================ */

:root{
    --ink:#0F1B2C;
    --ink-2:#16283D;
    --ink-3:#1E3348;
    --paper:#FAF9F4;
    --paper-2:#F0EDE2;
    --red:#E1462C;
    --red-dim:#C93A22;
    --gold:#D4A62A;
    --green:#2F5D50;
    --slate:#5B6B76;
    --line: rgba(15,27,44,0.12);
    --line-dark: rgba(250,249,244,0.14);
    --shadow: 0 20px 50px -20px rgba(15,27,44,0.35);
    --radius: 18px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{
    font-family:'Fraunces',serif;
    font-weight:600;
    line-height:1.05;
    margin:0;
    letter-spacing:-0.01em;
  }
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img,svg{display:block;max-width:100%;}
  .mono{
    font-family:'IBM Plex Mono',monospace;
    letter-spacing:0.06em;
    text-transform:uppercase;
    font-size:12px;
  }
  .wrap{
    max-width:1180px;
    margin:0 auto;
    padding:0 24px;
  }
  section{position:relative;}

  /* ---------- scroll progress ---------- */
  .scroll-progress{
    position:fixed; top:0; left:0; height:3px; width:0%;
    background:var(--red); z-index:1000; transition:width .1s linear;
  }

  /* ---------- accessibility ---------- */
  .skip-link{
    position:absolute; left:-9999px; top:auto;
    background:var(--ink); color:var(--paper);
    padding:12px 18px; border-radius:0 0 10px 0;
    font-size:14px; font-weight:600; z-index:1000;
  }
  .skip-link:focus{left:0; top:0;}
  :focus-visible{
    outline:2px solid var(--red); outline-offset:3px; border-radius:4px;
  }

  /* ---------- reveal ---------- */
  .reveal{opacity:0; transform:translateY(18px); transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1; transform:translateY(0);}
  :is(.feat-grid .feat-card, .curr-grid .curr-card, .price-grid .price-card, .flow .flow-step, .safety-list .safety-item):nth-child(1){transition-delay:0ms;}
  :is(.feat-grid .feat-card, .curr-grid .curr-card, .price-grid .price-card, .flow .flow-step, .safety-list .safety-item):nth-child(2){transition-delay:70ms;}
  :is(.feat-grid .feat-card, .curr-grid .curr-card, .price-grid .price-card, .flow .flow-step, .safety-list .safety-item):nth-child(3){transition-delay:140ms;}
  :is(.feat-grid .feat-card, .curr-grid .curr-card, .price-grid .price-card, .flow .flow-step, .safety-list .safety-item):nth-child(4){transition-delay:210ms;}
  :is(.feat-grid .feat-card, .flow .flow-step, .safety-list .safety-item):nth-child(5){transition-delay:280ms;}
  :is(.feat-grid .feat-card):nth-child(6){transition-delay:350ms;}

  @keyframes floaty{ 0%,100%{transform:translateY(0);} 50%{transform:translateY(-7px);} }
  @keyframes dashflow{ to{ stroke-dashoffset:-20; } }

  @media (prefers-reduced-motion: reduce){
    *, *::before, *::after{
      animation-duration:0.01ms !important; animation-iteration-count:1 !important;
      transition-duration:0.01ms !important; scroll-behavior:auto !important;
    }
    .reveal{opacity:1; transform:none;}
  }

  /* ---------- nav ---------- */
  header{
    position:sticky; top:0; z-index:100;
    background:rgba(250,249,244,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .3s ease;
  }
  header.scrolled{ box-shadow:0 8px 24px -16px rgba(15,27,44,0.35); }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 24px;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
    font-family:'Fraunces',serif; font-weight:600; font-size:19px;
  }
  .brand .mark{
    width:32px;height:32px;border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0; overflow:hidden;
  }
  .brand .mark img{width:100%;height:100%;object-fit:cover;border-radius:8px;}
  .nav-links{
    display:flex; align-items:center; gap:36px;
    font-size:14.5px; font-weight:500;
  }
  .nav-links a{color:var(--slate); transition:color .2s; position:relative; padding-bottom:2px;}
  .nav-links a::after{
    content:""; position:absolute; left:0; bottom:-2px; width:0; height:1.5px;
    background:var(--red); transition:width .25s cubic-bezier(.2,.7,.2,1);
  }
  .nav-links a:hover{color:var(--ink);}
  .nav-links a:hover::after{width:100%;}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:12px 22px; border-radius:999px;
    font-weight:600; font-size:14.5px;
    border:1px solid transparent; cursor:pointer;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--red); color:#fff;}
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 10px 24px -8px rgba(225,70,44,0.55);}
  .btn-ghost{background:transparent; color:var(--ink); border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--ink);}
  .btn-dark{background:var(--ink); color:var(--paper);}
  .btn-dark:hover{transform:translateY(-2px); box-shadow:0 10px 24px -8px rgba(15,27,44,0.5);}
  .btn:active{transform:translateY(0) scale(.97);}
  .menu-toggle{display:none; background:none;border:none;padding:6px;cursor:pointer; transition:transform .2s ease;}
  .menu-toggle:active{transform:scale(.9);}
  .menu-toggle svg{width:24px;height:24px;}

  /* ---------- hero ---------- */
  @keyframes heroIn{ from{opacity:0; transform:translateY(16px);} to{opacity:1; transform:translateY(0);} }
  .hero .eyebrow, .hero h1, .hero p.lead, .hero-actions, .hero .store-badges, .phone-stage{
    animation:heroIn .8s cubic-bezier(.2,.7,.2,1) both;
  }
  .hero .eyebrow{animation-delay:.05s;}
  .hero h1{animation-delay:.15s;}
  .hero p.lead{animation-delay:.25s;}
  .hero-actions{animation-delay:.35s;}
  .hero .store-badges{animation-delay:.45s;}
  .phone-stage{animation-delay:.3s;}
  .hero{
    padding:76px 0 40px;
    background:
      radial-gradient(1200px 500px at 78% -10%, rgba(212,166,42,0.14), transparent 60%),
      var(--paper);
  }
  .hero-grid{
    display:grid; grid-template-columns:1.05fr 0.95fr;
    gap:56px; align-items:center;
  }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    padding:7px 14px; border-radius:999px;
    background:var(--paper-2); border:1px solid var(--line);
    color:var(--ink); margin-bottom:24px;
  }
  .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--red);}
  .hero h1{
    font-size:clamp(36px, 4.6vw, 60px);
    color:var(--ink);
  }
  .hero h1 em{
    font-style:italic; color:var(--red);
  }
  .hero p.lead{
    margin-top:22px; font-size:18px; line-height:1.6;
    color:var(--slate); max-width:480px;
  }
  .hero-actions{
    margin-top:34px; display:flex; align-items:center; gap:16px; flex-wrap:wrap;
  }
  .store-badges{
    margin-top:28px; display:flex; gap:14px; align-items:center; flex-wrap:wrap;
  }
  .store-pill{
    display:flex; align-items:center; gap:10px;
    padding:9px 16px; border-radius:12px;
    border:1px solid var(--line); background:#fff;
    font-size:13px; color:var(--ink);
    transition:transform .25s ease, box-shadow .25s ease;
  }
  .store-pill:hover{transform:translateY(-3px); box-shadow:0 14px 28px -16px rgba(15,27,44,0.4);}
  .store-pill svg{width:20px;height:20px;flex-shrink:0;}
  .store-pill .lines{display:flex;flex-direction:column;line-height:1.2;}
  .store-pill .lines span:first-child{font-size:10px;color:var(--slate);}
  .store-pill .lines span:last-child{font-weight:600;font-size:13.5px;}

  /* "Web app" pill — honest alternative to the App Store badge while iOS is coming soon. */
  .store-pill-web{padding:9px 18px 9px 14px;}
  .web-pill-ic{
    display:inline-grid; place-items:center;
    width:32px; height:32px; border-radius:8px;
    background:var(--ink); color:var(--paper);
  }
  .web-pill-ic svg{width:18px; height:18px;}

  /* phone mockup */
  .phone-stage{
    position:relative; display:flex; justify-content:center;
    perspective:1200px; will-change:transform;
  }
  .phone{
    width:290px; height:592px; border-radius:44px;
    background:var(--ink);
    padding:14px;
    box-shadow: var(--shadow), 0 0 0 1px rgba(15,27,44,0.08);
    position:relative; z-index:2;
    transition:transform .5s cubic-bezier(.2,.7,.2,1);
    transform:rotateY(0deg) rotateX(0deg);
  }
  .phone-stage:hover .phone{ transform:rotateY(-6deg) rotateX(3deg); }
  .phone-screen{
    width:100%; height:100%; border-radius:32px; overflow:hidden;
    background:linear-gradient(180deg, #16283D 0%, #0F1B2C 100%);
    display:flex; flex-direction:column;
    position:relative;
  }
  .phone-notch{
    position:absolute; top:14px; left:50%; transform:translateX(-50%);
    width:90px; height:22px; background:var(--ink); border-radius:14px; z-index:5;
  }
  .phone-shot{
    width:100%; height:100%; object-fit:cover; object-position:top center;
  }
  .float-badge{
    position:absolute; background:#fff; border:1px solid var(--line);
    border-radius:14px; padding:10px 14px; box-shadow:var(--shadow);
    font-size:12.5px; font-weight:600; display:flex; align-items:center; gap:8px;
    z-index:3;
  }
  .float-badge.streak{ top:60px; left:-36px; animation:floaty 4.5s ease-in-out infinite; }
  .float-badge.streak .ic{color:var(--red);}
  .float-badge.mastery{ bottom:100px; right:-40px; animation:floaty 5s ease-in-out infinite; animation-delay:.6s; }
  .float-badge.mastery .ic{color:var(--green);}
  .float-badge .ic svg{width:16px;height:16px;}
  @media (max-width:1040px){
    .float-badge{display:none;}
  }

  /* ---------- stat strip ---------- */
  .stat-strip{
    background:var(--ink); color:var(--paper);
    padding:34px 0;
  }
  .stat-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center;
  }
  .stat-grid .num{
    font-family:'Fraunces',serif; font-size:clamp(26px,3vw,34px); color:var(--gold);
  }
  .stat-grid .lbl{
    font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:.06em;
    text-transform:uppercase; color:#9FB0BE; margin-top:6px;
  }

  /* ---------- section headers ---------- */
  .section-head{
    max-width:640px; margin-bottom:52px;
  }
  .section-head .eyebrow{margin-bottom:18px;}
  .section-head h2{
    font-size:clamp(28px,3.6vw,42px); color:var(--ink);
  }
  .section-head p{
    margin-top:16px; font-size:16.5px; color:var(--slate); line-height:1.6;
  }
  .section-pad{padding:100px 0;}
  @media (max-width:720px){ .section-pad{padding:70px 0;} }

  /* ---------- features ---------- */
  .feat-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:2px;
    background:var(--line); border:1px solid var(--line); border-radius:var(--radius);
    overflow:hidden;
  }
  .feat-card{
    background:var(--paper); padding:34px 30px; min-height:220px;
    display:flex; flex-direction:column; gap:16px;
    transition:background .25s ease, transform .3s cubic-bezier(.2,.7,.2,1);
    position:relative; z-index:1;
  }
  .feat-card:hover{background:#fff; transform:translateY(-5px); z-index:2;}
  .feat-card .icon{
    width:42px;height:42px;border-radius:11px; background:var(--ink);
    display:flex;align-items:center;justify-content:center; color:var(--paper);
    transition:transform .3s cubic-bezier(.34,1.56,.64,1);
  }
  .feat-card:hover .icon{transform:scale(1.08) rotate(-4deg);}
  .feat-card .icon svg{width:21px;height:21px;}
  .feat-card h3{font-size:18px; color:var(--ink); font-weight:600;}
  .feat-card p{font-size:14.5px; color:var(--slate); line-height:1.55;}
  @media (max-width:900px){ .feat-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:600px){ .feat-grid{grid-template-columns:1fr;} }

  /* ---------- spotlight sections ---------- */
  .spotlight-grid{
    display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
  }
  .spotlight-grid.reverse .spotlight-copy{order:2;}
  .spotlight-grid.reverse .spotlight-visual{order:1;}
  .spotlight-copy .eyebrow{margin-bottom:20px;}
  .spotlight-copy h2{font-size:clamp(26px,3.2vw,38px); margin-bottom:18px;}
  .spotlight-copy p.body{font-size:16px; color:var(--slate); line-height:1.65; margin-bottom:22px;}
  .spotlight-copy .not-wrapper{
    display:inline-flex; align-items:center; gap:8px; font-size:13px; font-weight:600;
    color:var(--red); background:rgba(225,70,44,0.08); border:1px solid rgba(225,70,44,0.2);
    padding:8px 14px; border-radius:999px;
  }
  @media (max-width:860px){
    .spotlight-grid, .spotlight-grid.reverse{grid-template-columns:1fr;}
    .spotlight-grid.reverse .spotlight-copy{order:1;}
    .spotlight-grid.reverse .spotlight-visual{order:2;}
  }

  .socratic-demo{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius);
    padding:28px; box-shadow:var(--shadow); display:flex; flex-direction:column; gap:16px;
  }
  .socratic-demo .msg{display:flex; gap:12px;}
  .socratic-demo .msg .who{
    width:30px;height:30px;border-radius:9px;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;
  }
  .socratic-demo .msg.student .who{background:var(--paper-2); color:var(--ink); border:1px solid var(--line);}
  .socratic-demo .msg.tutor .who{background:var(--ink); color:var(--paper);}
  .socratic-demo .msg p{font-size:14px; line-height:1.55; color:var(--ink); padding-top:5px;}
  .socratic-demo .result{
    display:flex; align-items:center; gap:10px; padding:12px 14px; border-radius:12px;
    background:rgba(47,93,80,0.08); border:1px solid rgba(47,93,80,0.25);
    font-size:13px; font-weight:600; color:var(--green); margin-left:42px;
  }
  .socratic-demo .result svg{width:16px;height:16px;flex-shrink:0;}

  .diagram-card{
    background:var(--ink-2); border:1px solid var(--line-dark); border-radius:var(--radius);
    padding:30px;
  }
  .diagram-card svg{width:100%; height:auto;}
  .diagram-card .diagram-img{width:100%; height:auto; border-radius:10px; display:block;}
  .diagram-card .cap{margin-top:16px;font-size:12.5px;color:#8FA1AF;text-align:center; line-height:1.5;}

  .spotlight-img{
    width:100%; height:auto; border-radius:var(--radius);
    border:1px solid var(--line); display:block;
    box-shadow:var(--shadow);
  }

  /* ---------- how it works ---------- */
  .flow{
    display:grid; grid-template-columns:repeat(4,1fr); gap:28px;
    counter-reset:step;
  }
  .flow-step{position:relative; padding-top:8px;}
  .flow-step .step-no{
    font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--red);
    display:flex; align-items:center; gap:10px; margin-bottom:18px;
  }
  .flow-step .step-no::before{
    content:""; width:26px; height:1px; background:var(--line);
  }
  .flow-step h3{font-size:17px; margin-bottom:10px;}
  .flow-step p{font-size:14px; color:var(--slate); line-height:1.55;}
  @media (max-width:900px){ .flow{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .flow{grid-template-columns:1fr;} }

  /* ---------- app preview showcase (scroll-synced) ---------- */
  .showcase-grid{
    display:grid; grid-template-columns:0.85fr 1.15fr; gap:60px; align-items:start;
  }
  .showcase-sticky{
    position:sticky; top:104px; display:flex; justify-content:center;
    align-self:start;
  }
  .showcase-phone{ width:230px; height:470px; }
  .showcase-phone .phone-shot{ transition:opacity .35s ease; }
  .showcase-phone .phone-shot.fading{ opacity:0; }
  .showcase-list{
    display:flex; flex-direction:column; gap:26px;
  }
  .showcase-item{
    padding:26px 0 26px 26px; border-left:2px solid var(--line);
    opacity:.4; transition:opacity .4s ease, border-color .4s ease;
    min-height:22vh; display:flex; flex-direction:column; justify-content:center;
  }
  .showcase-item.active{ opacity:1; border-color:var(--red); }
  .showcase-item .showcase-index{ color:var(--red); display:block; margin-bottom:10px; }
  .showcase-item h3{ font-size:20px; margin-bottom:8px; }
  .showcase-item p{ font-size:14.5px; color:var(--slate); line-height:1.6; max-width:420px; }
  @media (max-width:900px){
    .showcase-grid{grid-template-columns:1fr;}
    .showcase-sticky{position:static; margin-bottom:20px;}
    .showcase-item{min-height:0;}
  }

  /* ---------- curriculum ---------- */
  .dark-section{background:var(--ink); color:var(--paper);}
  .dark-section .section-head p{color:#AEBBC5;}
  .dark-section .eyebrow{background:rgba(250,249,244,0.06); border-color:var(--line-dark); color:var(--paper);}
  .curr-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:22px;
  }
  .curr-card{
    background:var(--ink-2); border:1px solid var(--line-dark); border-radius:var(--radius);
    padding:32px 28px;
    transition:transform .3s cubic-bezier(.2,.7,.2,1), border-color .3s ease;
  }
  .curr-card:hover{transform:translateY(-5px); border-color:rgba(212,166,42,0.4);}
  .curr-card .tag{
    font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--gold);
    text-transform:uppercase; letter-spacing:.06em;
  }
  .curr-card h3{font-size:26px; margin:14px 0 12px; color:var(--paper);}
  .curr-card p{font-size:14.5px; color:#AEBBC5; line-height:1.6;}
  .curr-card .arrow{
    margin-top:22px; display:inline-flex; align-items:center; gap:8px;
    font-size:13.5px; font-weight:600; color:var(--paper);
  }
  .curr-card .arrow svg{width:15px;height:15px; transition:transform .2s;}
  .curr-card:hover .arrow svg{transform:translateX(4px);}
  @media (max-width:900px){ .curr-grid{grid-template-columns:1fr;} }

  /* ---------- safety ---------- */
  .safety-grid{
    display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start;
  }
  .safety-list{display:flex; flex-direction:column; gap:26px;}
  .safety-item{display:flex; gap:18px;}
  .safety-item .num{
    font-family:'Fraunces',serif; font-size:22px; color:var(--red); flex-shrink:0; width:34px;
  }
  .safety-item h3{font-size:17px; margin-bottom:6px;}
  .safety-item p{font-size:14.5px; color:var(--slate); line-height:1.6;}
  .safety-card{
    background:var(--paper-2); border:1px solid var(--line); border-radius:var(--radius);
    padding:36px; position:relative; overflow:hidden;
  }
  .safety-card .big-check{
    width:64px;height:64px;border-radius:16px; background:var(--green);
    display:flex;align-items:center;justify-content:center; color:#fff; margin-bottom:22px;
  }
  .safety-card .big-check svg{width:32px;height:32px;}
  .safety-card h3{font-size:21px; margin-bottom:12px;}
  .safety-card p{font-size:15px; color:var(--slate); line-height:1.65;}
  @media (max-width:860px){ .safety-grid{grid-template-columns:1fr;} }

  /* ---------- comparison ---------- */
  .compare-table{
    border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
    background:#fff;
  }
  .compare-row{
    display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr;
    border-bottom:1px solid var(--line);
  }
  .compare-row:last-child{border-bottom:none;}
  .compare-cell{
    padding:18px 16px; font-size:13.5px; color:var(--ink); display:flex; align-items:center;
  }
  .compare-label{font-weight:600; color:var(--ink); font-size:14px;}
  .compare-head .compare-cell{
    font-family:'IBM Plex Mono',monospace; font-size:11px; text-transform:uppercase;
    letter-spacing:.05em; color:var(--slate); font-weight:500; background:var(--paper-2);
  }
  .compare-highlight{
    background:rgba(212,166,42,0.08); font-weight:600; color:var(--ink);
    border-left:1px solid rgba(212,166,42,0.3); border-right:1px solid rgba(212,166,42,0.3);
  }
  .compare-head .compare-highlight{ color:var(--red); background:rgba(212,166,42,0.14); }
  .compare-yes::before{ content:"✓ "; color:var(--green); font-weight:700; }
  .compare-no::before{ content:"— "; color:var(--slate); }
  @media (max-width:760px){
    .compare-row{grid-template-columns:1.3fr 1fr 1fr 1fr; }
    .compare-cell{padding:14px 8px; font-size:11.5px;}
    .compare-label{font-size:12px;}
  }
  @media (max-width:560px){
    .compare-table{overflow-x:auto;}
    .compare-row{grid-template-columns:1.2fr 0.9fr 0.9fr 0.9fr; min-width:560px;}
  }

  /* ---------- pricing ---------- */
  .price-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:22px; align-items:stretch;
  }
  .price-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius);
    padding:34px 28px; display:flex; flex-direction:column;
    transition:transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease;
  }
  .price-card:hover{transform:translateY(-6px); box-shadow:var(--shadow);}
  .price-card.popular{
    border-color:var(--ink); box-shadow:var(--shadow); position:relative;
  }
  .price-card.popular::before{
    content:"Most popular";
    position:absolute; top:-13px; left:28px;
    background:var(--red); color:#fff; font-size:11px; font-weight:700;
    padding:5px 12px; border-radius:999px; letter-spacing:.03em;
  }
  .price-card .plan{font-family:'IBM Plex Mono',monospace; font-size:12px; text-transform:uppercase; color:var(--slate); letter-spacing:.05em;}
  .price-card .price{font-family:'Fraunces',serif; font-size:38px; margin:14px 0 4px; color:var(--ink);}
  .price-card .price span{font-size:14px; font-family:'Inter',sans-serif; color:var(--slate); font-weight:500;}
  .price-card .desc{font-size:14px; color:var(--slate); margin-bottom:22px;}
  .price-card ul{list-style:none; margin:0 0 28px; padding:0; display:flex; flex-direction:column; gap:12px; flex:1;}
  .price-card li{display:flex; gap:10px; font-size:14px; color:var(--ink);}
  .price-card li svg{width:16px;height:16px; color:var(--green); flex-shrink:0; margin-top:2px;}
  @media (max-width:900px){ .price-grid{grid-template-columns:1fr; max-width:420px; margin:0 auto;} }

  /* ---------- faq (native details/summary — works without JS) ---------- */
  .faq-list{max-width:760px;}
  .faq-item{
    border-bottom:1px solid var(--line); padding:22px 0;
  }
  .faq-item summary{
    display:flex; align-items:center; justify-content:space-between; gap:20px;
    cursor:pointer; font-size:16.5px; font-weight:600; color:var(--ink);
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .plus{
    width:26px;height:26px;border-radius:50%; border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center; flex-shrink:0; transition:transform .3s ease, background .3s ease;
  }
  .faq-item[open] summary .plus{transform:rotate(45deg); background:var(--ink); border-color:var(--ink);}
  .faq-item[open] summary .plus svg{color:var(--paper);}
  .faq-a{
    display:grid !important; grid-template-rows:0fr; transition:grid-template-rows .35s cubic-bezier(.2,.7,.2,1);
  }
  .faq-item[open] .faq-a{grid-template-rows:1fr;}
  .faq-a-inner{overflow:hidden;}
  .faq-a p{padding-top:14px; font-size:14.5px; color:var(--slate); line-height:1.65; max-width:640px;}

  /* ---------- final cta ---------- */
  .final-cta{
    background:var(--ink); color:var(--paper); border-radius:28px;
    padding:64px 48px; text-align:center; position:relative; overflow:hidden;
    margin:0 24px;
  }
  .final-cta::before{
    content:""; position:absolute; inset:0;
    background:radial-gradient(600px 300px at 50% 0%, rgba(212,166,42,0.16), transparent 70%);
  }
  .final-cta h2{font-size:clamp(28px,4vw,42px); position:relative;}
  .final-cta p{margin-top:16px; color:#AEBBC5; font-size:16px; position:relative; max-width:480px; margin-left:auto; margin-right:auto;}
  .final-cta .store-badges{justify-content:center; position:relative;}
  .final-cta .store-pill{background:rgba(255,255,255,0.06); border-color:var(--line-dark); color:var(--paper);}
  .final-cta .store-pill .lines span:first-child{color:#8FA1AF;}
  .final-cta .store-pill-web .web-pill-ic{background:var(--paper); color:var(--ink);}

  /* ---------- testimonials ---------- */
  .voices-grid{
    display:grid; gap:22px;
    grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
    margin-top:36px;
  }
  .voice-card{
    margin:0; padding:28px 26px 24px;
    background:#fff; border:1px solid var(--line);
    border-radius:18px; box-shadow:0 14px 30px -26px rgba(15,27,44,.5);
    display:flex; flex-direction:column; gap:14px;
  }
  .voice-card .stars{color:var(--gold); font-size:15px; letter-spacing:2px; line-height:1;}
  .voice-card blockquote{margin:0; font-size:15.5px; line-height:1.6; color:var(--ink);}
  .voice-card blockquote p{margin:0;}
  .voice-card figcaption{
    margin-top:auto; padding-top:14px;
    border-top:1px solid var(--line);
    display:flex; flex-direction:column; gap:2px;
  }
  .voice-card figcaption strong{font-family:'Inter',sans-serif; font-weight:600; font-size:14px;}
  .voice-card figcaption span{color:var(--slate); font-size:12.5px;}

  /* ---------- newsletter ---------- */
  .newsletter{
    display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
    gap:42px; align-items:center;
    padding:44px;
    background:linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
    color:var(--paper);
    border-radius:22px;
    box-shadow:0 30px 60px -45px rgba(15,27,44,.7);
  }
  .newsletter .eyebrow{color:var(--paper);}
  .newsletter .eyebrow .dot{background:var(--gold);}
  .newsletter h2{color:var(--paper); font-size:clamp(26px,3vw,34px); margin-top:10px;}
  .newsletter p{color:#AEBBC5; line-height:1.6; margin-top:10px; max-width:420px;}
  .newsletter-form{
    display:grid; grid-template-columns:1fr auto; gap:10px;
    align-items:start;
  }
  .newsletter-form input{
    width:100%; padding:14px 16px;
    background:rgba(255,255,255,0.08);
    border:1px solid var(--line-dark);
    border-radius:12px; color:var(--paper);
    font:inherit; font-size:15px;
    transition:border-color .2s ease, background .2s ease;
  }
  .newsletter-form input::placeholder{color:rgba(250,249,244,0.45);}
  .newsletter-form input:focus{outline:none; border-color:var(--gold); background:rgba(255,255,255,0.12);}
  .newsletter-form input:invalid:not(:placeholder-shown){border-color:#E1462C;}
  .newsletter-form .btn-dark{background:var(--paper); color:var(--ink); border-color:var(--paper);}
  .newsletter-form .btn-dark:hover{background:var(--gold); border-color:var(--gold); color:var(--ink);}
  .newsletter-help{
    grid-column:1 / -1; margin:4px 0 0; font-size:12.5px; color:#8FA1AF;
  }
  .newsletter-help a{color:var(--paper); text-decoration:underline; text-decoration-color:rgba(250,249,244,0.4); text-underline-offset:2px;}
  .newsletter-help a:hover{text-decoration-color:var(--paper);}

  /* Visually hidden but available to assistive tech. */
  .visually-hidden{
    position:absolute !important; width:1px; height:1px; padding:0;
    margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
  }

  @media (max-width: 760px){
    .newsletter{grid-template-columns:1fr; padding:30px 24px; gap:24px;}
    .newsletter-form{grid-template-columns:1fr;}
  }

  /* ---------- footer ---------- */
  footer{padding:70px 0 34px;}
  .foot-grid{
    display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px;
    padding-bottom:40px; border-bottom:1px solid var(--line);
  }
  .foot-brand p{margin-top:14px; font-size:14px; color:var(--slate); line-height:1.6; max-width:280px;}
  .foot-col .mono{color:var(--slate); margin-bottom:16px; display:block;}
  .foot-col a{display:block; font-size:14px; color:var(--ink); margin-bottom:11px;}
  .foot-col a:hover{color:var(--red);}
  .foot-bottom{
    padding-top:26px; display:flex; justify-content:space-between; align-items:center;
    font-size:13px; color:var(--slate); flex-wrap:wrap; gap:12px;
  }
  .foot-bottom a{color:var(--slate);}
  .foot-bottom a:hover{color:var(--ink);}
  @media (max-width:800px){
    .foot-grid{grid-template-columns:1fr 1fr; gap:32px;}
  }

  /* ---------- responsive core ---------- */
  @media (max-width:900px){
    .nav-links{display:none;}
    .menu-toggle{display:block;}
    .hero-grid{grid-template-columns:1fr; gap:48px;}
    .hero p.lead{max-width:100%;}
    .stat-grid{grid-template-columns:repeat(2,1fr); row-gap:26px;}
    .safety-card{order:-1;}
    #navCta{padding:9px 14px; font-size:13px;}
  }
  @media (max-width:480px){
    #navCta{display:none;}
  }
  @media (max-width:560px){
    .price-card.popular::before{top:-12px;}
    .final-cta{padding:48px 26px; margin:0 12px;}
  }

  /* ---------- inner page hero (about / contact / terms / privacy) ---------- */
  .page-hero{
    padding:64px 0 56px;
    background:
      radial-gradient(1000px 400px at 78% -10%, rgba(212,166,42,0.12), transparent 60%),
      var(--paper);
    border-bottom:1px solid var(--line);
  }
  .page-hero .eyebrow{margin-bottom:20px;}
  .page-hero h1{font-size:clamp(30px,4.4vw,48px); color:var(--ink); max-width:760px;}
  .page-hero p.lead{margin-top:18px; font-size:16.5px; color:var(--slate); line-height:1.65; max-width:620px;}
  .breadcrumb{
    display:flex; align-items:center; gap:8px; margin-bottom:22px;
    font-size:13px; color:var(--slate);
  }
  .breadcrumb a{color:var(--slate); transition:color .2s;}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--ink); font-weight:600;}

  /* ---------- legal document typography ---------- */
  .legal{max-width:760px;}
  .legal .updated{
    font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--slate);
    text-transform:uppercase; letter-spacing:.05em; margin-bottom:8px; display:block;
  }
  .legal-notice{
    background:var(--paper-2); border:1px solid var(--line); border-left:3px solid var(--gold);
    border-radius:0 12px 12px 0; padding:18px 22px; margin:28px 0 44px;
    font-size:14px; color:var(--slate); line-height:1.6;
  }
  .legal-notice strong{color:var(--ink);}
  .legal h2{
    font-size:22px; color:var(--ink); margin:44px 0 14px;
  }
  .legal h2:first-of-type{margin-top:0;}
  .legal p{
    font-size:15px; color:var(--slate); line-height:1.75; margin-bottom:14px;
  }
  .legal ul, .legal ol{
    margin:0 0 16px; padding-left:22px; display:flex; flex-direction:column; gap:8px;
  }
  .legal li{font-size:15px; color:var(--slate); line-height:1.7;}
  .legal a{color:var(--red); text-decoration:underline; text-underline-offset:2px;}
  .legal strong{color:var(--ink);}

  /* ---------- contact page ---------- */
  .contact-grid{
    display:grid; grid-template-columns:1fr 1.1fr; gap:56px; align-items:start;
  }
  .contact-channels{display:flex; flex-direction:column; gap:16px;}
  .contact-card{
    display:flex; align-items:center; gap:16px;
    padding:20px 22px; border:1px solid var(--line); border-radius:var(--radius);
    background:#fff; transition:transform .3s cubic-bezier(.2,.7,.2,1), box-shadow .3s ease;
  }
  .contact-card:hover{transform:translateY(-4px); box-shadow:var(--shadow);}
  .contact-card .icon{
    width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--paper);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .contact-card .icon svg{width:20px;height:20px;}
  .contact-card .label{font-size:12px; color:var(--slate); text-transform:uppercase; letter-spacing:.04em; font-family:'IBM Plex Mono',monospace;}
  .contact-card .value{font-size:15.5px; font-weight:600; color:var(--ink); margin-top:2px;}
  .contact-form{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius);
    padding:32px; box-shadow:var(--shadow);
  }
  .contact-form h3{font-size:19px; margin-bottom:6px;}
  .contact-form .sub{font-size:14px; color:var(--slate); margin-bottom:24px;}
  .form-row{display:flex; flex-direction:column; gap:6px; margin-bottom:18px;}
  .form-row label{font-size:12.5px; font-weight:600; color:var(--ink);}
  .form-row input, .form-row textarea{
    border:1px solid var(--line); border-radius:10px; padding:12px 14px;
    font-family:'Inter',sans-serif; font-size:14.5px; color:var(--ink);
    background:var(--paper); resize:vertical; transition:border-color .2s ease;
  }
  .form-row input:focus, .form-row textarea:focus{
    outline:none; border-color:var(--red);
  }
  .form-note{font-size:12.5px; color:var(--slate); margin-top:14px;}
  @media (max-width:860px){
    .contact-grid{grid-template-columns:1fr;}
  }

  /* ---------- live demo iframe ---------- */
  .demo-frame-wrap{
    max-width:900px; margin:0 auto;
    border-radius:var(--radius); overflow:hidden;
    border:1px solid var(--line); box-shadow:var(--shadow);
    background:#fff;
  }
  .demo-chrome{
    display:flex; align-items:center; gap:8px;
    padding:12px 16px; background:var(--paper-2); border-bottom:1px solid var(--line);
  }
  .demo-dot{width:10px;height:10px;border-radius:50%; flex-shrink:0;}
  .demo-url{
    margin-left:12px; font-family:'IBM Plex Mono',monospace; font-size:12px;
    color:var(--slate); background:#fff; border:1px solid var(--line);
    border-radius:6px; padding:4px 12px; flex:1;
  }
  .demo-frame-body{
    position:relative; width:100%; aspect-ratio:16/10; background:var(--paper-2);
  }
  .demo-frame-body iframe{
    width:100%; height:100%; border:0; display:block; position:relative; z-index:1;
  }
  .demo-loading{
    position:absolute; inset:0; z-index:2;
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
    background:var(--paper-2); color:var(--slate); font-size:14px;
  }
  .demo-spinner{
    width:34px; height:34px; border-radius:50%;
    border:3px solid var(--line); border-top-color:var(--red);
    animation:spin 0.8s linear infinite;
  }
  @keyframes spin{ to{ transform:rotate(360deg); } }
  @media (max-width:600px){
    .demo-frame-body{aspect-ratio:9/14;}
  }