/* EduMundo public site. Colours come from the logo: gold, brick, cream. */
:root {
  --cream: #fbf4e6;
  --paper: #fffdf8;
  --sand: #f3e6cb;
  --gold: #ebb028;
  --brick: #9d2e1c;
  --brick-deep: #7c2214;
  --ink: #2b1a13;
  --muted: #5e4a40;
  --line: #e6d5b2;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --wrap: 1120px;
  --radius: 14px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 1.0625rem/1.65 var(--sans); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brick); text-underline-offset: 3px; }
a:hover { color: var(--brick-deep); }
:focus-visible { outline: 3px solid var(--brick); outline-offset: 3px; border-radius: 4px; }
.on-dark :focus-visible, .cta :focus-visible, .cookie :focus-visible { outline-color: var(--gold); }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--cream); padding: 10px 16px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 700; color: var(--brick); letter-spacing: -0.015em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.3rem); line-height: 1.04; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.8rem, 3.3vw, 2.7rem); line-height: 1.12; }
h3 { font-size: 1.3rem; line-height: 1.25; }
p { margin: 0 0 1em; }
.lead { font-size: 1.25rem; line-height: 1.55; color: var(--muted); max-width: 36em; }
.small { font-size: 0.92rem; }
.muted { color: var(--muted); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0.8rem 1.4rem; border-radius: 12px; border: 2px solid transparent; font: 600 1rem/1.2 var(--sans); text-decoration: none; cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.btn-primary { background: var(--brick); color: var(--cream); }
.btn-primary:hover { background: var(--brick-deep); color: var(--cream); }
.btn-outline { border-color: var(--brick); color: var(--brick); background: transparent; }
.btn-outline:hover { background: var(--brick); color: var(--cream); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #f4c14a; color: var(--ink); }
.btn[disabled] { opacity: 0.6; cursor: wait; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 244, 230, 0.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo img:first-child { width: 46px; height: 46px; }
.logo img:last-child { height: 24px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:not(.btn):hover { border-color: var(--gold); color: var(--ink); }
.nav a[aria-current='page'] { border-color: var(--brick); color: var(--brick); }
.nav .btn { padding: 0.6rem 1.3rem; }
.nav-toggle { display: none; background: none; border: 2px solid var(--brick); color: var(--brick); border-radius: 10px; padding: 8px 12px; font: 600 0.95rem var(--sans); cursor: pointer; }
@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 76px; background: var(--cream); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; box-shadow: 0 14px 24px rgba(43, 26, 19, 0.08); }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 14px; padding: 0.9rem; }
}

/* ---------- hero ---------- */
.hero { padding: 64px 0 80px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero h1 { max-width: 12.5em; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 18px; }
.hero-art { position: relative; justify-self: center; width: min(100%, 440px); }
.hero-art::before { content: ''; position: absolute; inset: -6% -10% -10% 6%; background: var(--sand); border-radius: 50%; z-index: 0; }
.hero-art img { position: relative; z-index: 1; animation: settle 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
@keyframes settle { from { opacity: 0; transform: translateY(14px) scale(0.97); } to { opacity: 1; transform: none; } }
@media (max-width: 880px) {
  .hero { padding: 36px 0 52px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
  .hero-art { width: min(78%, 340px); order: -1; justify-self: start; }
}

/* ---------- greetings band ---------- */
.hello { background: var(--gold); padding: 60px 0 64px; }
.hello p.intro { font: 700 clamp(1.3rem, 2.2vw, 1.7rem)/1.25 var(--serif); color: var(--ink); max-width: 28em; margin-bottom: 34px; }
.hello ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.hello li { border-left: 3px solid var(--brick); padding-left: 16px; }
.hello .hi { font: 700 clamp(1.5rem, 2.4vw, 2.1rem)/1.1 var(--serif); color: var(--brick-deep); display: block; margin-bottom: 4px; }
.hello .where { font-size: 0.95rem; color: var(--ink); }
@media (max-width: 1000px) { .hello ul { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .hello ul { grid-template-columns: 1fr 1fr; } }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section.alt { background: var(--sand); }
.section > .wrap > h2:first-child { max-width: 20em; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split p { max-width: 34em; }
@media (max-width: 880px) { .section { padding: 60px 0; } .split { grid-template-columns: 1fr; gap: 40px; } }

/* a real lesson card, drawn from the student portal */
.mock { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 24px; box-shadow: 0 18px 40px -22px rgba(43, 26, 19, 0.45); max-width: 480px; justify-self: end; width: 100%; }
.mock .top { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: var(--muted); margin-bottom: 10px; }
.mock .dots { display: flex; gap: 5px; }
.mock .dots i { width: 8px; height: 8px; border-radius: 50%; background: #eadfc9; }
.mock .dots i.done { background: #1f9d63; }
.mock .dots i.on { background: var(--brick); }
.mock h3 { font-size: 1.15rem; margin-bottom: 10px; }
.mock table { width: 100%; border-collapse: collapse; font-size: 0.98rem; margin-bottom: 14px; }
.mock th { text-align: left; font-size: 0.8rem; color: var(--muted); font-weight: 600; padding: 7px 10px; background: #f6ecd8; }
.mock td { padding: 7px 10px; border-top: 1px solid var(--line); }
.say { display: inline-flex; align-items: center; gap: 8px; }
.say i { width: 22px; height: 22px; border-radius: 50%; background: var(--gold); display: inline-grid; place-items: center; }
.say i::after { content: ''; border-left: 7px solid var(--ink); border-top: 4.5px solid transparent; border-bottom: 4.5px solid transparent; margin-left: 2px; }
.mock .check { background: #fdf3d8; border: 1px solid #f0d58a; border-radius: 12px; padding: 14px; }
.mock .check b { display: block; margin-bottom: 8px; font-size: 0.95rem; }
.mock .opt { display: block; padding: 8px 12px; border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper); margin-top: 6px; font-size: 0.95rem; }
.mock .opt.right { border-color: #1f9d63; background: #e6f6ee; font-weight: 600; }
.mock figcaption { margin-top: 14px; font-size: 0.85rem; color: var(--muted); }

/* feature list */
.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 48px; }
.ticks li { position: relative; padding-left: 34px; }
.ticks li::before { content: ''; position: absolute; left: 0; top: 0.2em; width: 20px; height: 20px; border-radius: 50%; background: var(--gold); }
.ticks li::after { content: ''; position: absolute; left: 7px; top: calc(0.2em + 4px); width: 5px; height: 9px; border: solid var(--ink); border-width: 0 2px 2px 0; transform: rotate(40deg); }
@media (max-width: 760px) { .ticks { grid-template-columns: 1fr; } }

/* class formats */
.formats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.format { border-radius: 20px; padding: 36px; }
.format.sand { background: var(--sand); }
.format.brick { background: var(--brick); color: var(--cream); }
.format.brick h3 { color: var(--gold); }
.format h3 { font-size: 1.6rem; }
.format .btn-outline { margin-top: 6px; }
.format.brick a:not(.btn) { color: var(--gold); }
@media (max-width: 760px) { .formats { grid-template-columns: 1fr; } .format { padding: 26px; } }

/* join steps: a real sequence */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; border: 2px solid var(--brick); color: var(--brick); font: 700 1.3rem var(--serif); margin-bottom: 14px; }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--muted); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; gap: 26px; } }

/* call to action */
.cta { background: var(--brick); color: var(--cream); padding: 68px 0; }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { color: var(--cream); margin-bottom: 8px; }
.cta p { margin: 0; color: #f4dcc7; max-width: 32em; }

/* ---------- inner pages ---------- */
.page-head { padding: 64px 0 28px; }
.page-head h1 { font-size: clamp(2.2rem, 4.4vw, 3.4rem); max-width: 16em; }
.page-body { padding: 24px 0 88px; }
.prose { max-width: 44rem; }
.prose h2 { font-size: 1.55rem; margin-top: 2.1em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.6em; color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose li { margin-bottom: 0.4em; }
.prose table { border-collapse: collapse; width: 100%; font-size: 0.95rem; margin: 0 0 1.4em; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--sand); font-weight: 600; }
.prose .updated { color: var(--muted); font-size: 0.95rem; }
.notice { background: #fdf3d8; border: 1px solid #f0d58a; border-radius: 12px; padding: 14px 18px; font-size: 0.95rem; }
mark.todo { background: #ffe39a; color: var(--ink); padding: 0 0.3em; border-radius: 4px; outline: 1px dashed #c98f0f; }

.principles { display: grid; gap: 0; margin-top: 28px; max-width: 44rem; }
.principles > div { padding: 22px 0; border-top: 1px solid var(--line); }
.principles > div:last-child { border-bottom: 1px solid var(--line); }
.principles h3 { margin-bottom: 4px; }
.principles p { margin: 0; color: var(--muted); }

/* prices */
.price-list { max-width: 48rem; margin-top: 20px; }
.price-row { display: grid; grid-template-columns: 1fr auto; gap: 8px 32px; padding: 26px 0; border-top: 1px solid var(--line); align-items: baseline; }
.price-row:last-child { border-bottom: 1px solid var(--line); }
.price-row h3 { margin: 0 0 4px; }
.price-row p { margin: 0; color: var(--muted); max-width: 32em; }
.price-row .amount { font: 700 1.7rem var(--serif); color: var(--brick); text-align: right; }
.price-row .unit { display: block; font: 400 0.9rem var(--sans); color: var(--muted); }
@media (max-width: 560px) { .price-row { grid-template-columns: 1fr; } .price-row .amount { text-align: left; } }
.faq { max-width: 44rem; margin-top: 48px; }
.faq h3 { margin-top: 1.5em; color: var(--ink); font-size: 1.1rem; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 56px; align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 36px; } }
.form label { display: block; font-weight: 600; margin: 0 0 6px; }
.form .field { margin-bottom: 18px; }
.form input[type='text'], .form input[type='email'], .form select, .form textarea { width: 100%; padding: 0.8rem 0.9rem; border: 1.5px solid #d6c19a; border-radius: 10px; background: var(--paper); font: inherit; color: var(--ink); }
.form textarea { min-height: 150px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 3px solid rgba(157, 46, 28, 0.25); border-color: var(--brick); }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form .two { grid-template-columns: 1fr; } }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.form .check input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--brick); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { margin: 14px 0 0; padding: 12px 16px; border-radius: 10px; display: none; }
.form-msg.err { display: block; background: #fbe4df; color: #7c1d12; }
.form-msg.ok { display: block; background: #e6f6ee; color: #14573a; }
.side-card { background: var(--sand); border-radius: 18px; padding: 28px; }
.side-card h3 { font-size: 1.15rem; }
.side-card p:last-child { margin-bottom: 0; }

/* ---------- footer ---------- */
.site-footer { background: var(--sand); border-top: 1px solid var(--line); padding: 56px 0 28px; font-size: 0.97rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; }
.foot-brand .logo { margin-bottom: 14px; }
.foot-brand p { color: var(--muted); max-width: 22em; margin: 0; }
.site-footer h2 { font: 700 1rem var(--sans); color: var(--ink); letter-spacing: 0; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--brick); text-decoration: underline; }
.foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid #dcc9a3; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; color: var(--muted); font-size: 0.9rem; }
@media (max-width: 880px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

/* ---------- cookie notice ---------- */
.cookie { position: fixed; left: 20px; right: 20px; bottom: 20px; max-width: 560px; background: var(--ink); color: var(--cream); border-radius: 16px; padding: 18px 20px; z-index: 80; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35); display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.cookie[hidden] { display: none; }
.cookie p { margin: 0; flex: 1 1 260px; font-size: 0.93rem; line-height: 1.5; }
.cookie a { color: var(--gold); }
.cookie .btn { padding: 0.6rem 1.2rem; }
h1, h2 { text-wrap: balance; }