/* AcumenTeach — site styles
   Layout: left-aligned editorial column (max ~1120px) with full-bleed tinted bands for section changes;
   the real exam pack is the hero image. One accent device: the A/B/C/D answer-bubble, used only for real sequences. */
:root {
  --green: #0B4A2C;        /* owl green, primary */
  --forest: #06301C;       /* deep band */
  --gold: #C9A24A;         /* logo gold, on dark */
  --gold-ink: #8A6517;     /* gold readable on white */
  --mist: #EEF4F0;         /* green-tinted neutral band */
  --line: #D7E2DA;
  --ink: #16211B;
  --muted: #55625A;
  --white: #FFFFFF;
  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --sans: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box }
html { scroll-behavior: smooth }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto } * { transition: none !important; animation: none !important } }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased }
img { max-width: 100%; height: auto; display: block }
a { color: var(--green); text-underline-offset: 3px }
a:hover { color: var(--forest) }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 4px }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--green); color: var(--white); padding: 8px 14px; z-index: 50 }
.skip:focus { left: 16px }

.wrap { max-width: 1120px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)) }
.narrow { max-width: 760px }

/* Type scale (1.25) */
h1, h2, h3 { color: var(--green); text-wrap: balance; margin: 0 }
h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(2.5rem, 6vw, 4.1rem); line-height: 1.04; letter-spacing: -0.01em }
h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.1 }
h3 { font-family: var(--sans); font-weight: 700; font-size: 1.15rem; line-height: 1.35 }
p { margin: 0 }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 58ch }
.small { font-size: .9rem; color: var(--muted) }
.stack { display: grid; gap: 18px }
.stack-lg { display: grid; gap: 32px }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: rgba(255,255,255,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line) }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--white) }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 76px }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none }
.brand img { height: 50px; width: auto }
.brand span { font-family: var(--serif); font-weight: 700; font-size: 1.6rem; color: var(--green); letter-spacing: .01em }
.nav { display: flex; align-items: center; gap: 26px }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem }
.nav a[aria-current="page"] { color: var(--green); font-weight: 700; box-shadow: inset 0 -2px 0 var(--gold) }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font: inherit; font-weight: 600; color: var(--green); cursor: pointer }
@media (max-width: 920px) {
  .nav-toggle { display: block }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px max(20px, env(safe-area-inset-left, 0px)) 16px }
  .nav.open { display: flex }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--mist) }
  .nav .btn { margin-top: 12px; text-align: center }
}

/* Buttons */
.btn { display: inline-block; text-decoration: none; font-weight: 700; font-size: .98rem; padding: 14px 24px; border-radius: 999px; border: 2px solid var(--green); background: var(--green); color: var(--white); transition: background .15s, color .15s }
.btn:hover { background: var(--forest); border-color: var(--forest); color: var(--white) }
.btn-ghost { background: transparent; color: var(--green) }
.btn-ghost:hover { background: var(--mist); color: var(--green) }
.btn-gold { background: var(--gold); border-color: var(--gold); color: var(--forest) }
.btn-gold:hover { background: #B88F35; border-color: #B88F35; color: var(--forest) }
.btn-sm { padding: 9px 18px; font-size: .9rem }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center }

/* Sections */
.section { padding-block: 88px }
.band-mist { background: var(--mist) }
.band-forest { background: var(--forest); color: #DCE8E0 }
.band-forest h2, .band-forest h3 { color: var(--white) }
.band-forest .lede { color: #B9CCC0 }
.section-head { display: grid; gap: 14px; margin-bottom: 44px; max-width: 720px }
.rule { width: 64px; height: 3px; background: var(--gold); border: 0; margin: 0 }

/* Hero */
.hero { padding-block: 72px 88px; overflow: hidden }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center }
.hero-copy { display: grid; gap: 24px; min-width: 0 }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: .95rem; list-style: none; padding: 0; margin: 0 }
.hero-facts li::before { content: "✓"; color: var(--gold-ink); font-weight: 700; margin-right: 8px }
.pack-fan { position: relative; height: 480px; min-width: 0 }
.pack-fan img { position: absolute; width: 58%; border-radius: 4px; box-shadow: 0 18px 40px rgba(6,48,28,.18), 0 2px 6px rgba(6,48,28,.12); background: #fff }
.pack-fan .p1 { left: 0; top: 30px; transform: rotate(-5deg) }
.pack-fan .p2 { left: 21%; top: 6px; transform: rotate(1.5deg); z-index: 2 }
.pack-fan .p3 { right: 0; top: 46px; transform: rotate(6deg) }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr }
  .pack-fan { height: clamp(300px, 80vw, 420px) }
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px }
@media (max-width: 960px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)) } .grid-3 { grid-template-columns: 1fr 1fr } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr } }

/* Trust points: no cards, just a top rule */
.point { border-top: 2px solid var(--green); padding-top: 18px; display: grid; gap: 8px }
.point p { color: var(--muted); font-size: .97rem }

/* Subject lists */
.subjects { display: grid; gap: 0; border-top: 1px solid var(--line) }
.subject { display: grid; grid-template-columns: 1fr auto; gap: 6px 20px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line) }
.subject strong { font-size: 1.05rem; color: var(--ink) }
.subject .price { font-weight: 700; color: var(--green); white-space: nowrap }
.subject p { grid-column: 1 / -1; color: var(--muted); font-size: .95rem }

/* Tier cards (the one place cards are used: they are purchasable items) */
.tier { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; gap: 14px; align-content: start; background: var(--white) }
.tier.featured { border: 2px solid var(--green); box-shadow: 0 10px 30px rgba(11,74,44,.08) }
.tier .level { font-size: .85rem; font-weight: 700; color: var(--gold-ink); letter-spacing: .02em }
.tier .series { font-family: var(--serif); font-size: 1.7rem; font-weight: 600; color: var(--green); line-height: 1.1 }
.tier p { color: var(--muted); font-size: .95rem }
.tier .buy { display: grid; gap: 10px; margin-top: 6px }
.tier .buy .btn { text-align: center }
.flag { justify-self: start; font-size: .78rem; font-weight: 700; background: var(--gold); color: var(--forest); padding: 4px 10px; border-radius: 999px }

/* Inside the pack */
.inside { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start }
.inside-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px }
.inside-list li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start }
.inside-list li b { display: block; color: var(--ink) }
.inside-list li span { color: var(--muted); font-size: .95rem }
.bubble { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--green); display: grid; place-items: center; font-weight: 700; font-size: .85rem; color: var(--green); background: var(--white) }
.bubble.on { background: var(--green); color: var(--white) }
.previews { display: grid; grid-template-columns: 1fr 1fr; gap: 18px }
.previews figure { margin: 0; display: grid; gap: 8px }
.previews img { border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 6px 18px rgba(6,48,28,.08) }
.previews figcaption { font-size: .85rem; color: var(--muted) }
@media (max-width: 860px) { .inside { grid-template-columns: 1fr } }

/* Steps (a real sequence) */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: s }
.steps li { display: grid; gap: 10px; align-content: start }
.steps li .bubble { width: 40px; height: 40px; font-size: 1rem }
.steps li p { color: var(--muted); font-size: .95rem }
.band-forest .steps li p { color: #B9CCC0 }
.band-forest .bubble { border-color: var(--gold); color: var(--gold); background: transparent }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr 1fr } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr } }

/* Bundles */
.bundles { display: grid; grid-template-columns: 1fr 1fr; gap: 28px }
.bundle { border: 1px solid rgba(201,162,74,.5); border-radius: var(--radius); padding: 30px; display: grid; gap: 14px; align-content: start }
.bundle .price-big { font-family: var(--serif); font-size: 3rem; line-height: 1; color: var(--gold) }
.bundle .price-big small { font-family: var(--sans); font-size: 1rem; color: #B9CCC0; margin-left: 8px }
@media (max-width: 760px) { .bundles { grid-template-columns: 1fr } }

/* Quotes */
.quotes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 48px }
.quote { margin: 0; display: grid; gap: 12px }
.quote p { font-family: var(--serif); font-size: 1.45rem; line-height: 1.35; color: var(--ink) }
.quote footer { font-size: .9rem; color: var(--muted) }
@media (max-width: 760px) { .quotes { grid-template-columns: 1fr } }

/* FAQ */
.faq { border-top: 1px solid var(--line) }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0 }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px }
.faq summary::-webkit-details-marker { display: none }
.faq summary::after { content: "+"; color: var(--gold-ink); font-weight: 700; font-size: 1.3rem; line-height: 1 }
.faq details[open] summary::after { content: "–" }
.faq details p { margin-top: 10px; color: var(--muted); max-width: 70ch }

/* Resource lists */
.res-group { display: grid; gap: 12px }
.res-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line) }
.res-list li { border-bottom: 1px solid var(--line) }
.res-list a { display: flex; justify-content: space-between; gap: 12px; padding: 14px 2px; text-decoration: none; color: var(--ink); font-weight: 500 }
.res-list a span { color: var(--green); font-weight: 700; font-size: .9rem; white-space: nowrap }
.res-list a:hover { background: var(--mist) }

/* Forms */
form.contact { display: grid; gap: 18px }
.field { display: grid; gap: 6px }
.field label { font-weight: 600; font-size: .95rem }
.field input, .field select, .field textarea { font: inherit; font-size: 1rem; padding: 12px 14px; border: 1px solid #B8C7BD; border-radius: 8px; background: var(--white); color: var(--ink); width: 100% }
.field textarea { min-height: 140px; resize: vertical }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr } }
.hidden { position: absolute; left: -9999px }

/* Prose pages (policies) */
.prose { display: grid; gap: 16px; max-width: 72ch }
.prose h2 { font-size: 1.8rem; margin-top: 18px }
.prose ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px }
.page-head { padding-block: 64px 40px; border-bottom: 1px solid var(--line) }

/* Footer */
.site-footer { background: var(--forest); color: #B9CCC0; padding-block: 64px 36px; font-size: .95rem }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px }
.site-footer h3 { color: var(--white); font-size: 1rem; margin-bottom: 12px }
.site-footer a { color: #DCE8E0; text-decoration: none }
.site-footer a:hover { color: var(--gold) }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px }
.foot-brand { display: grid; gap: 14px }
.foot-brand .name { font-family: var(--serif); font-size: 1.8rem; color: var(--white); font-weight: 600 }
.foot-brand .tag { color: var(--gold) }
.foot-legal { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); display: grid; gap: 6px; font-size: .85rem }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr } }

.notice { background: #FFF8E6; border: 1px solid #EBD9A6; border-radius: 8px; padding: 14px 16px; font-size: .95rem }
.center-cta { display: grid; gap: 20px; justify-items: start }

/* fixes */
.nav a.btn, .nav a.btn:hover { color: var(--white) }
.tier { display: flex; flex-direction: column }
.tier .buy { margin-top: auto; padding-top: 6px }
.tier .flag { align-self: flex-start }