/* oldkindle.com — consumer-facing help site
 * Palette:
 *   --ink:    #1d1d1b    near-black, e-ink feel
 *   --paper:  #f6f1e7    warm off-white, old-book paper
 *   --ochre:  #c76f2e    warm accent, book-spine orange
 *   --navy:   #203144    deep support colour
 *   --alert:  #a8361f    urgent warning red-brown
 */

:root {
    --ink:    #1d1d1b;
    --paper:  #f6f1e7;
    --ochre:  #c76f2e;
    --navy:   #203144;
    --alert:  #a8361f;
    --muted:  #6b6b6b;
    --rule:   #e2d9c6;
}

* { box-sizing: border-box; }

html {
    overflow-x: hidden;
    scrollbar-gutter: stable;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
    line-height: 1.7;
    font-size: 17px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--navy);
    line-height: 1.25;
    font-weight: 700;
}

a {
    color: var(--ochre);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover { color: var(--alert); }

code, pre {
    font-family: "SF Mono", Menlo, Monaco, Consolas, monospace;
    background: #efe6d3;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.92em;
}

/* ----- Skip link (accessibility) ----- */

.skip-link {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    position: static;
    width: auto;
    height: auto;
    padding: 10px 20px;
    background: var(--navy);
    color: #fff;
    display: inline-block;
}

/* ----- Header ----- */

.site-header {
    background: #fff;
    border-bottom: 2px solid var(--rule);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--navy);
}

.site-logo:hover { color: var(--ochre); }

.site-logo-mark {
    display: inline-block;
    width: 38px;
    height: 38px;
    background: var(--navy);
    color: var(--paper);
    border-radius: 6px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 800;
    font-size: 17px;
    text-align: center;
    line-height: 38px;
    letter-spacing: 0.5px;
}

.site-logo-text {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 700;
    font-size: 20px;
}

.site-nav a {
    margin: 0 10px;
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--ochre);
}

/* ----- Hero image band ----- */

.hero-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    display: block;
}

/* ----- Card images ----- */

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 12px;
}

/* ----- Hero variants ----- */

.hero {
    padding: 70px 0 50px;
    text-align: center;
    background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
    border-bottom: 2px solid var(--rule);
}

.hero h1 {
    font-size: 2.4rem;
    margin: 0 0 18px;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 680px;
    margin: 0 auto 30px;
    font-style: italic;
}

.hero-alert {
    background: var(--alert);
    color: #fff;
    border-bottom: 3px solid #82280f;
    padding: 45px 0;
    text-align: center;
}

.hero-alert h1 {
    color: #fff;
    font-size: 2.2rem;
    margin: 0 0 12px;
}

.hero-alert .subtitle {
    color: #f8d8cf;
    font-style: normal;
    font-size: 1.1rem;
    margin: 0 auto;
    max-width: 720px;
}

.hero-alert .countdown {
    display: inline-block;
    margin-top: 18px;
    background: #fff;
    color: var(--alert);
    padding: 8px 18px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 700;
    border-radius: 4px;
    font-size: 1rem;
}

/* ----- CTA buttons ----- */

.btn-oldkindle {
    display: inline-block;
    background: var(--ochre);
    color: #fff !important;
    padding: 14px 28px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 700;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1.05rem;
    border: none;
    transition: background 0.15s;
}

.btn-oldkindle:hover {
    background: #a85a20;
    color: #fff !important;
}

.btn-secondary-ok {
    display: inline-block;
    background: transparent;
    color: var(--navy) !important;
    border: 2px solid var(--navy);
    padding: 12px 26px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 700;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.15s;
}

.btn-secondary-ok:hover {
    background: var(--navy);
    color: #fff !important;
}

/* ----- Main content wrapper ----- */

.content-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 50px 20px 60px;
}

.content-container.wide {
    max-width: 1060px;
}

.content-container p {
    margin-bottom: 1.1em;
}

.content-container h2 {
    font-size: 1.6rem;
    margin-top: 2.2em;
    margin-bottom: 0.6em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--rule);
}

.content-container h3 {
    font-size: 1.25rem;
    margin-top: 1.8em;
    margin-bottom: 0.5em;
}

.content-container ul, .content-container ol {
    margin-bottom: 1.2em;
    padding-left: 1.4em;
}

.content-container li {
    margin-bottom: 0.5em;
}

/* ----- Warning / callout boxes ----- */

.callout {
    border-left: 4px solid var(--ochre);
    background: #fff;
    padding: 18px 24px;
    margin: 1.8em 0;
    border-radius: 0 4px 4px 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.callout-alert {
    border-left-color: var(--alert);
    background: #fff4f0;
}

.callout-alert strong {
    color: var(--alert);
}

.callout-info {
    border-left-color: var(--navy);
    background: #eff4fb;
}

.callout h3 {
    margin-top: 0;
    font-size: 1.1rem;
}

/* ----- The "do not reset" mega-warning ----- */

.mega-warning {
    background: var(--alert);
    color: #fff;
    padding: 40px 30px;
    text-align: center;
    border-radius: 6px;
    margin: 2em 0;
    box-shadow: 0 6px 18px rgba(168, 54, 31, 0.25);
}

.mega-warning h2 {
    color: #fff;
    font-size: 2rem;
    margin: 0 0 14px;
    border: none;
}

.mega-warning p {
    color: #fff;
    font-size: 1.15rem;
    margin: 0 auto;
    max-width: 560px;
}

.mega-warning .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

/* ----- Feature / option cards ----- */

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin: 2em 0;
}

.option-card {
    background: #fff;
    border: 1px solid var(--rule);
    padding: 28px 24px;
    border-radius: 6px;
    transition: transform 0.15s, box-shadow 0.15s;
}

.option-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.option-card h3 {
    color: var(--navy);
    font-size: 1.2rem;
    margin: 0 0 12px;
}

.option-card .difficulty {
    display: inline-block;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.difficulty-easy   { background: #e2f0d9; color: #3e6b1e; }
.difficulty-medium { background: #fdf0d5; color: #8a5a00; }
.difficulty-hard   { background: #fadcd5; color: #7a2416; }

/* ----- Sale / paywall band ----- */

.paywall-band {
    background: var(--navy);
    color: var(--paper);
    padding: 50px 30px;
    text-align: center;
    border-radius: 6px;
    margin: 3em 0 1em;
}

.paywall-band h2 {
    color: #fff;
    margin: 0 0 10px;
    font-size: 1.9rem;
    border: none;
}

.paywall-band .price {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--ochre);
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    display: block;
    margin: 18px 0 6px;
}

.paywall-band .price-sub {
    color: #c8c1b3;
    font-size: 0.95rem;
    margin-bottom: 24px;
}

/* ----- Footer ----- */

.site-footer {
    background: var(--navy);
    color: #d3cbba;
    padding: 50px 0 30px;
    margin-top: 60px;
    font-size: 0.93rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.footer-brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--paper);
    margin-bottom: 8px;
}

.footer-tagline {
    color: var(--paper);
    font-style: italic;
    margin-bottom: 14px;
}

.footer-small {
    font-size: 0.78rem;
    color: #9a927f;
    line-height: 1.5;
}

.site-footer h5 {
    color: var(--paper);
    font-size: 0.95rem;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.site-footer a {
    color: #d3cbba;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
}

.site-footer a:hover {
    color: var(--ochre);
}

.site-footer p {
    margin: 0 0 8px;
}

.footer-col {
    margin-bottom: 24px;
}

.footer-copyright {
    text-align: center;
    color: #9a927f;
    font-size: 0.82rem;
    border-top: 1px solid #374a5f;
    padding-top: 20px;
    margin-top: 30px;
}

/* ----- Article copyright / source notes ----- */

.sources-note {
    font-size: 0.88rem;
    color: var(--muted);
    border-top: 1px solid var(--rule);
    padding-top: 18px;
    margin-top: 3em;
}

.sources-note a { color: var(--ochre); }

/* ----- Responsive ----- */

@media (max-width: 768px) {
    body { font-size: 16px; }
    .hero h1 { font-size: 1.7rem; }
    .hero-alert h1 { font-size: 1.6rem; }
    .hero, .hero-alert { padding: 45px 0 35px; }
    .site-nav a { margin: 0 6px; font-size: 0.88rem; }
    .content-container { padding: 35px 18px 45px; }
    .mega-warning h2 { font-size: 1.4rem; }
    .mega-warning p { font-size: 1rem; }
    .paywall-band .price { font-size: 2rem; }
    .site-logo-text { display: none; }
    .footer-col { margin-bottom: 30px; }
}