/* Light theme (default) — warm off-white, not pure white, to reduce glare */
:root {
  color-scheme: light;
  --bg: #f5f2ec;
  --surface: #fcfbf8;
  --text: #22262b;
  --muted: #5a636c;
  --line: #e3ded4;
  --brand: #2f6f5e;
  --brand-dark: #24584a;
  --on-brand: #ffffff;
  --accent: #f0b54a;
  --on-accent: #3a2a05;
  --note: #fbf1dc;
  --soft: #e6f0eb;
  --th: #ece7de;
  --track: #e6e0d5;
  --badge-muted: #dfe9e5;
  --danger: #c0563b;
  --shadow: rgba(0, 0, 0, 0.08);
  --footer-bg: #1f2a27;
  --footer-text: #c8d1cd;
  --footer-link: #e6efeb;
  --radius: 12px;
  --max: 760px;
}

/* Dark theme: follows the computer's setting unless the visitor picked light */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #131816;
    --surface: #1b221f;
    --text: #e6ebe8;
    --muted: #a2afa9;
    --line: #2c3632;
    --brand: #62b59c;
    --brand-dark: #82c9b3;
    --on-brand: #0d1a15;
    --accent: #e8ac45;
    --on-accent: #2e2104;
    --note: #262117;
    --soft: #1d2c27;
    --th: #222b28;
    --track: #2c3632;
    --badge-muted: #24342e;
    --danger: #e07a5f;
    --shadow: rgba(0, 0, 0, 0.45);
    --footer-bg: #0d1110;
    --footer-text: #a6b2ad;
    --footer-link: #dfe7e3;
  }
}
/* Dark theme chosen manually with the toggle */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #131816;
  --surface: #1b221f;
  --text: #e6ebe8;
  --muted: #a2afa9;
  --line: #2c3632;
  --brand: #62b59c;
  --brand-dark: #82c9b3;
  --on-brand: #0d1a15;
  --accent: #e8ac45;
  --on-accent: #2e2104;
  --note: #262117;
  --soft: #1d2c27;
  --th: #222b28;
  --track: #2c3632;
  --badge-muted: #24342e;
  --danger: #e07a5f;
  --shadow: rgba(0, 0, 0, 0.45);
  --footer-bg: #0d1110;
  --footer-text: #a6b2ad;
  --footer-link: #dfe7e3;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

/* Theme toggle */
.theme-toggle {
  font: inherit; font-size: 0.85rem; cursor: pointer;
  color: var(--muted); background: var(--bg); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; white-space: nowrap;
}
.theme-toggle:hover { color: var(--brand); border-color: var(--brand); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--brand); }
a:hover { color: var(--brand-dark); }

img { max-width: 100%; height: auto; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.wrap-wide { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header .wrap-wide {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 24px; padding-top: 14px; padding-bottom: 14px;
}
.logo { font-weight: 800; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.logo span { color: var(--brand); }
.nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 0.95rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--brand); }

/* Disclosure bar */
.disclosure-bar {
  background: var(--note); border-bottom: 1px solid var(--line);
  font-size: 0.85rem; color: var(--muted); padding: 8px 0;
}

/* Hero */
.hero { padding: 56px 0 40px; }
.hero h1 { font-size: clamp(1.9rem, 5vw, 2.7rem); line-height: 1.2; margin: 0 0 16px; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 24px; }

/* Content */
main { padding-bottom: 56px; }
article h1 { font-size: clamp(1.7rem, 4.5vw, 2.3rem); line-height: 1.25; margin: 40px 0 8px; }
article h2 { font-size: 1.4rem; margin: 40px 0 8px; line-height: 1.3; }
article h3 { font-size: 1.15rem; margin: 28px 0 6px; }
.meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 24px; }

/* Buttons */
.btn {
  display: inline-block; background: var(--brand); color: var(--on-brand); text-decoration: none;
  font-weight: 700; padding: 14px 24px; border-radius: 999px;
}
.btn:hover { background: var(--brand-dark); color: var(--on-brand); }
.btn-ghost { background: transparent; color: var(--brand); border: 2px solid var(--brand); }
.btn-ghost:hover { background: var(--brand); color: var(--on-brand); }

/* Cards */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column;
}
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0 0 16px; color: var(--muted); flex: 1; }

.section { padding: 32px 0; }
.section h2 { font-size: 1.6rem; margin: 0 0 16px; }

/* Callouts */
.callout {
  background: var(--surface); border: 1px solid var(--line); border-left: 5px solid var(--brand);
  border-radius: var(--radius); padding: 20px 22px; margin: 28px 0;
}
.callout h3 { margin-top: 0; }
.callout.tip { border-left-color: var(--accent); }

.pros-cons { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin: 20px 0; }
.pros-cons > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.pros-cons h3 { margin-top: 0; }
.pros-cons ul { padding-left: 20px; margin: 0; }

.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 48px; margin-bottom: 18px; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: var(--on-brand);
  font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 0.95rem;
}

table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--th); }
.table-scroll { overflow-x: auto; }

.cta-box { text-align: center; background: var(--soft); border-radius: var(--radius); padding: 28px 22px; margin: 36px 0; }
.cta-box p { margin: 0 0 16px; }
.small { font-size: 0.85rem; color: var(--muted); }

/* At-a-glance summary box */
.glance {
  background: var(--surface); border: 2px solid var(--brand); border-radius: var(--radius);
  padding: 22px; margin: 24px 0 32px;
}
.glance-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 12px; }
.glance-head h2 { margin: 0; font-size: 1.25rem; }
.glance dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 18px; }
.glance dt { font-weight: 700; color: var(--muted); }
.glance dd { margin: 0; }
.glance .btn { width: 100%; text-align: center; }
@media (max-width: 520px) {
  .glance dl { grid-template-columns: 1fr; gap: 0; }
  .glance dd { margin-bottom: 10px; }
}

.badge {
  display: inline-block; background: var(--accent); color: var(--on-accent); font-weight: 800;
  font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.badge-muted { background: var(--badge-muted); color: var(--brand-dark); }

.guarantee { font-size: 0.88rem; color: var(--muted); margin: 10px 0 0; }
.guarantee::before { content: "✓ "; color: var(--brand); font-weight: 800; }

/* Course module table */
.modules td:first-child { white-space: nowrap; font-weight: 700; }

/* Ranked picks */
.pick {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; margin: 22px 0;
}
.pick.top { border: 2px solid var(--brand); }
.pick h3 { margin: 8px 0 6px; font-size: 1.25rem; }
.pick .facts { color: var(--muted); font-size: 0.95rem; margin: 0 0 12px; }
.pick .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

/* Proof list */
.proof { list-style: none; padding: 0; margin: 16px 0; }
.proof li {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 10px;
}

/* FAQ */
.faq details {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 10px;
}
.faq summary { font-weight: 700; cursor: pointer; }
.faq details p { margin: 10px 0 0; }

/* Sticky mobile CTA */
.sticky-cta { display: none; }
@media (max-width: 760px) {
  .sticky-cta {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
    background: var(--surface); border-top: 1px solid var(--line);
    box-shadow: 0 -4px 16px var(--shadow); padding: 10px 16px;
  }
  .sticky-cta span { font-size: 0.85rem; line-height: 1.3; color: var(--muted); }
  .sticky-cta strong { color: var(--text); }
  .sticky-cta .btn { padding: 10px 18px; white-space: nowrap; font-size: 0.95rem; }
  body.has-sticky { padding-bottom: 72px; }
}

/* Quiz */
.quiz, .quiz-result {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; margin: 24px 0;
}
.quiz-progress { height: 8px; background: var(--track); border-radius: 999px; overflow: hidden; margin-bottom: 14px; }
.quiz-bar { height: 100%; width: 0; background: var(--brand); transition: width 0.25s ease; }
.quiz h2 { margin: 4px 0 18px; font-size: 1.35rem; }
.quiz-options { display: grid; gap: 10px; }
.quiz-option {
  font: inherit; text-align: left; cursor: pointer; color: var(--text);
  background: var(--bg); border: 2px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px;
}
.quiz-option:hover, .quiz-option:focus-visible { border-color: var(--brand); outline: none; }
.quiz-option.selected { border-color: var(--brand); background: var(--soft); }
.quiz-back {
  font: inherit; font-size: 0.9rem; color: var(--muted); background: none; border: 0;
  padding: 0; margin-top: 16px; cursor: pointer;
}
.quiz-back:hover { color: var(--brand); }
.quiz-result h2 { font-size: 1.4rem; line-height: 1.3; }

/* Images */
.hero-grid { display: grid; gap: 32px; align-items: center; }
@media (min-width: 860px) { .hero-grid { grid-template-columns: 1.15fr 1fr; } }
.hero-img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 20px;
  background: var(--track); box-shadow: 0 12px 30px var(--shadow);
}
@media (max-width: 859px) { .hero-img { aspect-ratio: 4 / 3; } }
.article-img { margin: 8px 0 28px; }
.article-img img {
  display: block; width: 100%; aspect-ratio: 1200 / 630; object-fit: cover;
  border-radius: var(--radius); background: var(--track);
}

/* Author box */
.author-box {
  border-top: 1px solid var(--line); margin-top: 36px; padding-top: 18px;
}

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding: 36px 0; font-size: 0.9rem; }
.site-footer a { color: var(--footer-link); }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 14px; }
.site-footer p { margin: 0 0 10px; }