/* ═══════════════════════════════════════════════════════════════
   The Trading Handbook — Book-inspired Stylesheet
   Colours: Cream #ede8e0 · Black #1a1a1a · Orange #f4a836
   Based on the book cover aesthetic
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset ─────────────────────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ── Variables ─────────────────────────────────────────────── */
:root{
    --black:#1a1a1a;
    --black-light:#333;
    --accent:#f4a836;
    --accent-light:#f7c26b;
    --accent-border:#d4891a;
    --bg:#ede8e0;
    --bg-off:#e4ded5;
    --bg-white:#f5f2ec;
    --text:#1a1a1a;
    --text-muted:rgba(26,26,26,.6);
    --danger:#c0392b;
    --success:#27ae60;
    --radius:10px;
    --shadow:0 4px 24px rgba(26,26,26,.08);
}

/* ── Base ──────────────────────────────────────────────────── */
html{scroll-behavior:smooth}
body{
    font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
    line-height:1.6;color:var(--text);background:var(--bg);
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--black);text-decoration:none;transition:opacity .2s}
a:hover{opacity:.8}

/* ── Container ─────────────────────────────────────────────── */
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* ── Navigation ────────────────────────────────────────────── */
.nav{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(237,232,224,.95);backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(26,26,26,.08);
    padding:18px 0;
}
.nav .container{display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-size:14px;font-weight:800;letter-spacing:2.5px;color:var(--black);text-transform:uppercase}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{font-size:13px;font-weight:600;color:var(--black);letter-spacing:.5px;text-transform:uppercase;opacity:.6;transition:opacity .2s}
.nav-links a:hover,.nav-links a.active{opacity:1}

/* ── Hero Section ──────────────────────────────────────────── */
.hero{
    min-height:100vh;display:flex;align-items:center;justify-content:center;
    text-align:center;padding:40px 24px 80px;position:relative;overflow:hidden;
}
.hero::before{
    content:'';position:absolute;top:0;left:0;right:0;bottom:0;
    background:radial-gradient(ellipse at 30% 20%,rgba(244,168,54,.06) 0%,transparent 60%),
               radial-gradient(ellipse at 70% 80%,rgba(26,26,26,.02) 0%,transparent 50%);
    pointer-events:none;
}
.hero-content{position:relative;max-width:720px}
.hero-label{
    display:inline-block;font-size:11px;font-weight:700;letter-spacing:3px;
    text-transform:uppercase;color:var(--black);opacity:.45;margin-bottom:20px;
}
.hero h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;line-height:1.15;margin-bottom:20px;color:var(--black)}
.hero p{font-size:1.15rem;color:var(--text-muted);max-width:520px;margin:0 auto 36px;line-height:1.7}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ── Buttons ───────────────────────────────────────────────── */
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 32px;border-radius:8px;font-size:14px;font-weight:700;
    letter-spacing:.5px;cursor:pointer;transition:all .25s;border:none;
}
.btn-primary{background:var(--black);color:var(--bg)}
.btn-primary:hover{background:var(--black-light);opacity:1;transform:translateY(-1px);box-shadow:0 8px 20px rgba(26,26,26,.15)}
.btn-outline{background:transparent;border:2px solid rgba(26,26,26,.2);color:var(--black)}
.btn-outline:hover{border-color:var(--black);opacity:1}
.btn-accent{background:var(--accent);color:var(--black);border:2px solid var(--accent-border);font-weight:800}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(244,168,54,.3);opacity:1}

/* ── Section ───────────────────────────────────────────────── */
.section{padding:100px 0}
.section-alt{background:var(--bg-off)}
.section-title{
    font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;text-align:center;
    margin-bottom:16px;color:var(--black);
}
.section-sub{
    text-align:center;color:var(--text-muted);max-width:560px;
    margin:0 auto 48px;font-size:1.05rem;line-height:1.7;
}

/* ── Treasure Banner ───────────────────────────────────────── */
.treasure-banner{
    background:var(--bg-white);
    border:2px solid var(--accent);border-radius:var(--radius);
    padding:40px;text-align:center;margin:48px auto;max-width:700px;
}
.treasure-banner h3{font-size:1.3rem;color:var(--black);margin-bottom:8px}
.treasure-amount{font-size:3rem;font-weight:800;color:var(--black);margin:8px 0}
.treasure-banner p{color:var(--text-muted);margin:4px 0}
.wallet-link{
    display:inline-block;margin-top:16px;color:var(--accent-border);font-weight:600;
    font-size:14px;transition:opacity .2s;
}

/* ── Feature Cards ─────────────────────────────────────────── */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-card{
    background:var(--bg-white);border:1px solid rgba(26,26,26,.06);border-radius:var(--radius);
    padding:36px 28px;transition:box-shadow .3s,transform .3s;
}
.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.feature-icon{font-size:2rem;margin-bottom:16px}
.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px;color:var(--black)}
.feature-card p{color:var(--text-muted);font-size:.95rem;line-height:1.7}

/* ── Product Cards (Digital / Physical) ────────────────────── */
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:32px;max-width:800px;margin:0 auto}
.product-card{
    background:var(--bg-white);border:2px solid rgba(26,26,26,.08);border-radius:var(--radius);
    padding:40px 32px;text-align:center;position:relative;overflow:hidden;
    transition:border-color .3s,box-shadow .3s;
}
.product-card:hover{border-color:var(--black-light);box-shadow:var(--shadow)}
.product-card.featured{border-color:var(--accent)}
.product-card.featured::before{
    content:'BEST FOR TREASURE HUNT';position:absolute;top:16px;right:-32px;
    background:var(--accent);color:var(--black);
    font-size:10px;font-weight:800;letter-spacing:1px;padding:6px 40px;
    transform:rotate(45deg);
}
.product-badge{
    display:inline-block;font-size:11px;font-weight:700;letter-spacing:1.5px;
    text-transform:uppercase;padding:6px 16px;border-radius:20px;margin-bottom:20px;
}
.product-badge.digital{background:rgba(26,26,26,.06);color:var(--black)}
.product-badge.physical{background:rgba(244,168,54,.15);color:var(--black);border:1px solid var(--accent)}
.product-card h3{font-size:1.4rem;font-weight:700;margin-bottom:8px}
.product-card .desc{color:var(--text-muted);margin-bottom:24px;font-size:.95rem;line-height:1.6}
.product-price{font-size:2.2rem;font-weight:800;color:var(--black);margin-bottom:4px}
.product-price-note{font-size:13px;color:var(--text-muted);margin-bottom:24px}
.product-features{list-style:none;text-align:left;margin-bottom:28px}
.product-features li{padding:8px 0;color:var(--text-muted);font-size:.95rem;border-bottom:1px solid rgba(26,26,26,.05)}
.product-features li::before{content:'✓';color:var(--success);font-weight:700;margin-right:10px}

/* ── The Challenge / Story section ─────────────────────────── */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.story-grid h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;margin-bottom:16px;color:var(--black)}
.story-grid p{color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.story-image{
    background:var(--bg-off);
    border-radius:var(--radius);aspect-ratio:4/3;display:flex;align-items:center;
    justify-content:center;overflow:hidden;border:1px solid rgba(26,26,26,.06);
}
.story-image img{width:100%;height:100%;object-fit:cover}

/* ── Stats Row ─────────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;text-align:center;margin:60px 0}
.stat-number{font-size:2.4rem;font-weight:800;color:var(--black)}
.stat-label{font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-top:4px}

/* ── FAQ ───────────────────────────────────────────────────── */
.faq-list{max-width:700px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(26,26,26,.08);padding:24px 0}
.faq-q{font-weight:700;color:var(--black);cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:'+';font-size:1.4rem;opacity:.4;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{color:var(--text-muted);line-height:1.7;max-height:0;overflow:hidden;transition:max-height .4s,padding .3s}
.faq-item.open .faq-a{max-height:300px;padding-top:12px}

/* ── Footer ────────────────────────────────────────────────── */
.footer{
    background:var(--black);color:rgba(237,232,224,.85);
    padding:48px 0 32px;text-align:center;
}
.footer-brand{font-size:14px;font-weight:800;letter-spacing:2.5px;color:var(--bg);margin-bottom:8px}
.footer p{font-size:13px;opacity:.7;margin:4px 0}
.footer-links{display:flex;justify-content:center;gap:24px;margin:20px 0}
.footer-links a{color:rgba(237,232,224,.7);font-size:13px;font-weight:500;transition:color .2s}
.footer-links a:hover{color:var(--bg);opacity:1}

/* ── Payment page specifics ────────────────────────────────── */
.payment-wrap{max-width:520px;margin:0 auto;padding:140px 24px 80px}
.payment-wrap h1{font-size:1.8rem;font-weight:800;text-align:center;margin-bottom:8px}
.payment-wrap .sub{text-align:center;color:var(--text-muted);margin-bottom:36px}

.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--black)}
.form-group input,.form-group select{
    width:100%;padding:12px 14px;border:1px solid rgba(26,26,26,.15);
    border-radius:8px;font-size:15px;font-family:inherit;transition:border-color .2s;
    background:var(--bg-white);
}
.form-group input:focus,.form-group select:focus{
    border-color:var(--accent);outline:none;
    box-shadow:0 0 0 3px rgba(244,168,54,.15);
}
.form-row{display:flex;gap:16px}
.form-row .form-group{flex:1}

.price-summary{
    background:var(--bg-white);border:2px solid rgba(26,26,26,.08);border-radius:var(--radius);
    padding:24px;text-align:center;margin:28px 0;
}
.price-big{font-size:2.4rem;font-weight:800;color:var(--black)}
.price-note{font-size:13px;color:var(--text-muted);margin-top:4px}

#paypal-button-container{margin-top:20px;min-height:50px}

.payment-status{margin-top:20px;padding:16px;border-radius:8px;display:none;font-size:14px;line-height:1.6}
.payment-status.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb;display:block}
.payment-status.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb;display:block}
.payment-status.processing{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb;display:block}

/* Quantity selector */
.qty-wrap{display:flex;align-items:center;justify-content:center;gap:0;margin:16px auto;max-width:160px}
.qty-wrap button{
    width:42px;height:42px;border:2px solid var(--black-light);background:var(--bg-off);
    color:var(--black);font-size:20px;font-weight:700;cursor:pointer;transition:all .2s;
}
.qty-wrap button:first-child{border-radius:8px 0 0 8px}
.qty-wrap button:last-child{border-radius:0 8px 8px 0}
.qty-wrap button:hover:not(:disabled){background:var(--black);color:var(--bg)}
.qty-wrap button:disabled{opacity:.3;cursor:not-allowed}
.qty-wrap input{
    width:52px;height:42px;border:2px solid var(--black-light);border-left:none;border-right:none;
    text-align:center;font-size:16px;font-weight:700;color:var(--black);font-family:inherit;
    -moz-appearance:textfield;appearance:textfield;background:var(--bg-white);
}
.qty-wrap input::-webkit-outer-spin-button,
.qty-wrap input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* Stock badges */
.stock-badge{
    display:inline-block;font-size:13px;font-weight:700;color:var(--danger);
    text-align:center;margin:8px 0;
}
.sold-out{
    background:#f8d7da;border:2px solid var(--danger);border-radius:var(--radius);
    padding:24px;text-align:center;margin:20px 0;
}
.sold-out h3{color:var(--danger);margin-bottom:8px}
.sold-out p{color:#721c24}

/* ── Advantage highlight ───────────────────────────────────── */
.advantage-box{
    background:var(--bg-white);border:2px solid var(--accent);
    border-radius:var(--radius);padding:28px;margin:28px 0;
}
.advantage-box h3{color:var(--black);margin-bottom:8px;font-size:1.15rem}
.advantage-box p{color:var(--black-light);line-height:1.7;margin-bottom:10px}

/* ── Shipping info box ─────────────────────────────────────── */
.shipping-info{
    background:rgba(39,174,96,.08);border-left:4px solid var(--success);padding:16px 20px;
    border-radius:4px;margin:20px 0;
}
.shipping-info p{margin:4px 0;color:var(--success);font-size:.95rem}

/* ── Success page ──────────────────────────────────────────── */
.success-wrap{max-width:560px;margin:0 auto;padding:140px 24px 80px;text-align:center}
.success-icon{font-size:4rem;margin-bottom:20px}
.success-wrap h1{font-size:2rem;font-weight:800;color:var(--black);margin-bottom:12px}
.success-wrap p{color:var(--text-muted);line-height:1.7;margin-bottom:12px}

/* ── Sneak Peek Section ────────────────────────────────────── */
.sneak-peek{
    background:var(--bg-white);border:2px solid rgba(26,26,26,.1);border-radius:var(--radius);
    padding:40px;text-align:center;margin:48px auto;max-width:800px;
}
.sneak-peek h3{font-size:1.4rem;font-weight:800;color:var(--black);margin-bottom:12px}
.sneak-peek p{color:var(--text-muted);line-height:1.7;margin-bottom:16px}
.sneak-peek-img{
    max-width:500px;margin:20px auto;border-radius:8px;border:1px solid rgba(26,26,26,.1);
    box-shadow:0 8px 32px rgba(26,26,26,.1);
}
.sneak-peek .challenge-text{
    background:var(--bg-off);border-radius:8px;padding:20px;margin-top:20px;
    font-size:.95rem;line-height:1.7;color:var(--black-light);
}
.sneak-peek .challenge-text strong{color:var(--accent-border)}

/* ── Responsive ────────────────────────────────────────────── */
@media(max-width:768px){
    .nav-links{display:none}
    .hero{padding:100px 20px 60px}
    .hero h1{font-size:2rem}
    .story-grid{grid-template-columns:1fr;gap:32px}
    .products-grid{grid-template-columns:1fr}
    .form-row{flex-direction:column;gap:0}
    .stats-row{grid-template-columns:1fr 1fr;gap:20px}
    .hero-cta{flex-direction:column;align-items:center}
    .sneak-peek{padding:24px 16px}
}

@media(max-width:480px){
    .section{padding:60px 0}
    .treasure-banner{padding:24px 16px}
    .treasure-amount{font-size:2.2rem}
    .product-card{padding:28px 20px}
    .stats-row{grid-template-columns:1fr}
}

/* ── Book cover in hero ────────────────────────────────────── */
.hero-book-cover{
    max-width:320px;margin:0 auto 32px;
    border-radius:6px;box-shadow:0 12px 40px rgba(26,26,26,.15);
}

/* ── Electrum info box ─────────────────────────────────────── */
.electrum-box{
    background:var(--bg-white);border:2px solid rgba(26,26,26,.1);border-radius:var(--radius);
    padding:24px;margin:20px 0;text-align:center;
}
.electrum-box h4{color:var(--black);margin-bottom:8px;font-size:1rem}
.electrum-box p{color:var(--text-muted);margin:4px 0;font-size:.9rem;line-height:1.6}
.electrum-box a{color:var(--accent-border);font-weight:700;text-decoration:underline}

/* ── Leaderboard / Progress Section ────────────────────────── */
.leaderboard{max-width:700px;margin:0 auto}
.leaderboard-record{
    background:var(--bg-white);border:3px solid var(--accent);border-radius:var(--radius);
    padding:32px;text-align:center;margin-bottom:40px;
}
.leaderboard-record .record-number{
    font-size:4rem;font-weight:800;color:var(--black);line-height:1;
}
.leaderboard-record .record-label{
    font-size:1rem;color:var(--text-muted);margin-top:8px;
}
.leaderboard-record .record-sub{
    font-size:.85rem;color:var(--text-muted);margin-top:12px;font-style:italic;
}
.progress-bar-wrap{
    background:var(--bg-off);border-radius:20px;height:28px;overflow:hidden;
    margin:20px 0 8px;position:relative;
}
.progress-bar-fill{
    height:100%;border-radius:20px;
    background:linear-gradient(135deg,var(--accent),var(--accent-light));
    transition:width .8s ease;
}
.progress-bar-text{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    font-size:12px;font-weight:700;color:var(--black);
}
.submit-progress{
    background:var(--bg-white);border:2px solid rgba(26,26,26,.08);border-radius:var(--radius);
    padding:32px;
}
.submit-progress h3{font-size:1.15rem;font-weight:700;color:var(--black);margin-bottom:6px;text-align:center}
.submit-progress .sub{color:var(--text-muted);font-size:.9rem;text-align:center;margin-bottom:24px;line-height:1.6}
.submit-progress .form-row-inline{display:flex;gap:12px;margin-bottom:14px}
.submit-progress .form-row-inline .form-group{flex:1}
.submit-progress textarea{
    width:100%;padding:12px 14px;border:1px solid rgba(26,26,26,.15);
    border-radius:8px;font-size:14px;font-family:inherit;resize:vertical;min-height:70px;
    background:var(--bg-white);transition:border-color .2s;
}
.submit-progress textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(244,168,54,.15)}
.submit-progress .btn-submit{
    display:block;width:100%;padding:14px;border:none;border-radius:8px;
    background:var(--black);color:var(--bg);font-size:15px;font-weight:700;
    cursor:pointer;transition:all .25s;margin-top:16px;
}
.submit-progress .btn-submit:hover{background:var(--black-light);transform:translateY(-1px)}
.submit-progress .btn-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}
.submit-status{margin-top:14px;padding:14px;border-radius:8px;display:none;font-size:14px;line-height:1.5;text-align:center}
.submit-status.success{background:rgba(39,174,96,.1);color:#1a7a42;border:1px solid rgba(39,174,96,.2);display:block}
.submit-status.error{background:rgba(192,57,43,.08);color:#922b21;border:1px solid rgba(192,57,43,.15);display:block}

/* ── Author Notes / Hints Section ──────────────────────────── */
.author-notes{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:20px;margin-bottom:32px;
}
.author-note{
    position:relative;padding:24px 24px 24px 56px;
    background:var(--bg-white);border:1px solid rgba(26,26,26,.08);
    border-radius:var(--radius);transition:border-color .3s,box-shadow .3s;
}
.author-note:hover{border-color:var(--accent);box-shadow:0 2px 12px rgba(244,168,54,.1)}
.note-marker{
    position:absolute;left:16px;top:24px;
    width:28px;height:28px;display:flex;align-items:center;justify-content:center;
    font-size:11px;font-weight:800;color:var(--text-muted);
    background:var(--bg-off);border-radius:50%;
    cursor:pointer;transition:all .3s;user-select:none;
    letter-spacing:-.5px;
}
.note-marker:hover{background:var(--accent);color:#fff;transform:scale(1.1)}
.note-marker.clicked{background:var(--accent);color:#fff}
.author-note p{font-size:.92rem;line-height:1.7;color:var(--text)}
.author-note p strong{color:var(--black);font-weight:700}

/* ── Hint Decoder ──────────────────────────────────────────── */
.hint-decoder{
    text-align:center;padding:20px;
    background:var(--bg-off);border-radius:var(--radius);
    border:1px dashed rgba(26,26,26,.12);
}
.decoder-prompt{font-size:.95rem;color:var(--text-muted);margin:0}
.decoder-label{color:var(--text)}
.decoder-toggle{
    color:var(--accent);font-weight:700;cursor:pointer;
    transition:color .2s;text-decoration:underline;
    text-underline-offset:3px;
}
.decoder-toggle:hover{color:var(--accent-border)}
.decoder-content{
    max-height:0;overflow:hidden;transition:max-height .5s ease,padding .3s;
    padding:0 16px;
}
.decoder-content.open{
    max-height:200px;padding:16px 16px 0;
}
.decoder-content p{font-size:.9rem;color:var(--text);line-height:1.7}

@media(max-width:600px){
    .author-notes{grid-template-columns:1fr}
}