/* AIDisha Academy — shared stylesheet for content pages
   Brand tokens mirror the inline system in index.html. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

:root {
    --primary: #5B21B6;
    --primary-dark: #4C1D95;
    --primary-light: #F3E8FF;
    --accent: #14B8A6;
    --accent-dark: #0F9488;
    --text: #1F2937;
    --muted: #6B7280;
    --white: #FFFFFF;
    --bg: #FAF8FF;
    --border: #E8E2F4;
    --dark: #150A33;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.7;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── NAV ── */
nav {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,.96); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 24px; max-width: 1080px; margin: 0 auto; }
.nav-inner .logo { display: flex; align-items: center; text-decoration: none; }
.nav-inner .logo img { height: 46px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--text); text-decoration: none; white-space: nowrap; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { background: var(--primary); color: #fff !important; padding: 9px 18px; border-radius: 7px; font-size: 0.85rem; font-weight: 600; text-decoration: none; }
.nav-cta:hover { background: var(--primary-dark); }
@media (max-width: 860px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ── PAGE HEADER ── */
.page-hero {
    background: linear-gradient(135deg,#150A33 0%,#3B0A91 55%,#5B21B6 100%);
    color: #fff; padding: 56px 0 60px;
}
.page-hero h1 { font-size: 2.4rem; font-weight: 900; line-height: 1.2; margin-bottom: 16px; }
.page-hero .lede { font-size: 1.05rem; color: rgba(255,255,255,.85); max-width: 700px; }
.page-hero .hl { background: linear-gradient(90deg,#2DD4BF,#818CF8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
@media (max-width: 640px) { .page-hero h1 { font-size: 1.8rem; } }

.badge {
    display: inline-block; background: rgba(20,184,166,.18);
    border: 1px solid rgba(20,184,166,.35); color: #5EEAD4;
    font-size: 0.75rem; font-weight: 600; padding: 5px 14px;
    border-radius: 100px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 16px;
}
.badge-light { background: var(--primary-light); border-color: transparent; color: var(--primary); }

/* ── BREADCRUMB ── */
.crumb { background: var(--bg); border-bottom: 1px solid var(--border); padding: 12px 0; font-size: 0.82rem; color: var(--muted); }
.crumb a { color: var(--primary); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb span { margin: 0 7px; opacity: .55; }

/* ── CONTENT ── */
main { padding: 56px 0 72px; }
main h2 { font-size: 1.65rem; font-weight: 800; color: var(--dark); margin: 44px 0 14px; line-height: 1.3; }
main h2:first-of-type { margin-top: 0; }
main h3 { font-size: 1.12rem; font-weight: 700; color: var(--dark); margin: 30px 0 10px; }
main p { margin-bottom: 16px; color: var(--text); }
main ul, main ol { margin: 0 0 20px 22px; }
main li { margin-bottom: 9px; }
main a { color: var(--primary); font-weight: 500; }
main strong { color: var(--dark); font-weight: 650; }
main hr { border: none; border-top: 1px solid var(--border); margin: 44px 0; }

.lead { font-size: 1.08rem; line-height: 1.85; color: var(--text); margin-bottom: 28px; }

/* ── TABLE ── */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; margin: 0 0 26px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; background: #fff; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { background: var(--primary-light); color: var(--dark); font-weight: 650; }
tbody th { background: #FCFAFF; font-weight: 600; color: var(--dark); width: 34%; }
tr:last-child th, tr:last-child td { border-bottom: none; }
td { color: var(--muted); }

/* ── CALLOUT ── */
.callout {
    background: var(--bg); border-left: 4px solid var(--accent);
    border-radius: 0 10px 10px 0; padding: 18px 22px; margin: 0 0 26px;
}
.callout p:last-child { margin-bottom: 0; }

/* ── CARDS ── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 18px; margin: 0 0 30px; }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 22px; background: #fff; }
.card h3 { margin-top: 0; font-size: 1rem; }
.card p { font-size: 0.9rem; color: var(--muted); margin-bottom: 0; }

/* ── FAQ ── */
.faq details { border: 1px solid var(--border); border-radius: 10px; padding: 0; margin-bottom: 10px; background: #fff; }
.faq summary { cursor: pointer; padding: 15px 20px; font-weight: 600; color: var(--dark); font-size: 0.95rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--primary); font-weight: 700; }
.faq details[open] summary::after { content: '\2212'; }
.faq details > p { padding: 0 20px 16px; margin: 0; color: var(--muted); font-size: 0.93rem; }

/* ── CTA ── */
.cta-band {
    background: linear-gradient(135deg,#150A33 0%,#3B0A91 55%,#5B21B6 100%);
    color: #fff; padding: 52px 0; text-align: center;
}
.cta-band h2 { color: #fff; font-size: 1.7rem; font-weight: 800; margin: 0 0 12px; }
.cta-band p { color: rgba(255,255,255,.82); margin: 0 auto 26px; max-width: 560px; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-size: 0.95rem; font-weight: 600; padding: 13px 26px; border-radius: 8px; text-decoration: none; border: none; cursor: pointer; transition: all .2s; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.45); }
.btn-ghost:hover { background: #fff; color: var(--primary); border-color: #fff; }
.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ── */
footer { background: var(--dark); color: rgba(255,255,255,.62); padding: 48px 0 28px; font-size: 0.88rem; }
footer a { color: rgba(255,255,255,.72); text-decoration: none; }
footer a:hover { color: #fff; }
.foot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 32px; margin-bottom: 32px; }
.foot-grid h4 { color: #fff; font-size: 0.9rem; font-weight: 650; margin-bottom: 13px; }
.foot-grid ul { list-style: none; margin: 0; }
.foot-grid li { margin-bottom: 8px; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.11); padding-top: 20px; font-size: 0.8rem; color: rgba(255,255,255,.45); }