:root {
  --ink: #10261d;
  --ink-soft: #40544b;
  --forest: #344a37;
  --forest-deep: #182b22;
  --sage: #aab5a1;
  --cream: #f5f1e8;
  --paper: #fbfaf6;
  --sand: #ded4c2;
  --line: rgba(16, 38, 29, 0.18);
  --white: #fff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-200%);
  background: var(--ink);
  color: var(--white);
  padding: .7rem 1rem;
}
.skip-link:focus { transform: none; }
.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; }

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem clamp(1.25rem, 5vw, 5.5rem);
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 250, 246, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 1rem; text-decoration: none; }
.brand-name { position: relative; display: inline-block; font-family: var(--serif); font-size: clamp(1.6rem, 2.4vw, 2.25rem); letter-spacing: .06em; }
.brand-name::after {
  content: "♥";
  position: absolute;
  right: .32em;
  top: 57%;
  color: #b8914f;
  font-family: Georgia, "Times New Roman", serif;
  font-size: .25em;
  line-height: 1;
  letter-spacing: 0;
  transform: translateY(-50%);
  pointer-events: none;
}
.brand-line { width: 1px; height: 38px; background: var(--ink); opacity: .55; }
.brand-note { font-size: .72rem; line-height: 1.25; color: var(--ink-soft); }
.navigation { display: flex; align-items: center; gap: clamp(1.2rem, 3vw, 3rem); }
.navigation a { text-decoration: none; font-size: .92rem; position: relative; }
.navigation a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.55rem; height: 1px; background: var(--ink); transition: right .25s ease; }
.navigation a:hover::after, .navigation a:focus-visible::after { right: 0; }
.navigation .nav-aula { min-height: 42px; display: inline-flex; align-items: center; gap: .65rem; padding: .45rem .9rem; border: 1px solid var(--ink); font-weight: 700; }
.navigation .nav-aula::after { display: none; }
.navigation .nav-aula:hover, .navigation .nav-aula:focus-visible { background: var(--ink); color: var(--white); }
.menu-toggle { display: none; border: 0; background: transparent; padding: .5rem; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 1px; background: var(--ink); margin: 5px 0; }

.hero { min-height: 690px; display: grid; grid-template-columns: 1.02fr .98fr; background: var(--cream); border-bottom: 1px solid var(--line); }
.hero-copy { padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 5vw, 5.5rem) 3rem; align-self: stretch; display: flex; flex-direction: column; }
.eyebrow, .small-caps { margin: 0 0 1rem; text-transform: uppercase; letter-spacing: .18em; font-size: .72rem; font-weight: 700; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; text-wrap: balance; }
h1 { max-width: 760px; font-size: clamp(2.7rem, 5vw, 5.35rem); margin-bottom: 1.5rem; letter-spacing: -.035em; }
.hero-intro { max-width: 600px; color: var(--ink-soft); font-size: clamp(1.1rem, 1.65vw, 1.35rem); line-height: 1.45; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin: 1.1rem 0 3.8rem; }
.hero-aula-link { font-weight: 700; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1.2rem; min-height: 52px; padding: .8rem 1.25rem; border: 1px solid transparent; text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--forest); color: var(--white); }
.button-primary:hover { background: var(--forest-deep); }
.text-link { text-underline-offset: .45rem; text-decoration-thickness: 1px; }
.focus-list { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 1.5rem 0 0; margin: auto 0 0; border-top: 1px solid var(--line); font-size: .78rem; line-height: 1.35; }
.focus-list span { display: block; font-family: var(--serif); font-size: 1.1rem; margin-bottom: .4rem; color: var(--forest); }
.hero-image-wrap { position: relative; margin: 0; min-height: 0; aspect-ratio: 1505 / 1045; align-self: center; overflow: hidden; background: var(--sand); }
.hero-image-wrap img { height: 100%; object-fit: contain; object-position: center; }
.hero-image-wrap figcaption { position: absolute; right: 1.2rem; bottom: 1.2rem; background: rgba(251,250,246,.9); padding: .55rem .8rem; font-family: var(--serif); font-style: italic; }

.section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 5vw, 5.5rem); }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; gap: 3rem; align-items: end; margin-bottom: 3.5rem; }
.section-heading h2, .method h2, .about h2, .closing h2 { font-size: clamp(2.4rem, 4.4vw, 4.6rem); margin-bottom: 0; letter-spacing: -.03em; }
.section-heading > p { color: var(--ink-soft); max-width: 470px; margin-bottom: .5rem; }
.language-note { display: block; margin-top: .85rem; color: var(--ink); font-weight: 650; }
.featured-course { display: grid; grid-template-columns: 150px minmax(0, 1.5fr) minmax(240px, .65fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: stretch; padding: clamp(1.5rem, 3vw, 3rem); border: 1px solid var(--line); background: var(--white); }
.course-mark { display: flex; flex-direction: column; justify-content: space-between; min-height: 260px; padding: 1rem; background: var(--cream); border-left: 4px solid var(--forest); }
.course-mark span { text-transform: uppercase; letter-spacing: .16em; font-size: .7rem; }
.course-mark strong { font-family: var(--serif); font-size: 4.3rem; font-weight: 400; line-height: 1; }
.course-status, .course-number { text-transform: uppercase; letter-spacing: .15em; font-size: .7rem; font-weight: 700; }
.course-main h3 { max-width: 720px; font-size: clamp(2rem, 3.3vw, 3.5rem); margin-bottom: 1rem; }
.course-lead { max-width: 650px; color: var(--ink-soft); font-size: 1.12rem; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: .55rem; margin: 2rem 0 0; padding: 0; }
.tags li { padding: .4rem .75rem; background: var(--cream); font-size: .78rem; }
.course-action { border-left: 1px solid var(--line); padding-left: clamp(1.5rem, 3vw, 3rem); display: flex; flex-direction: column; justify-content: space-between; color: var(--ink-soft); }
.button-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.button-outline:hover { background: var(--ink); color: var(--white); }
.course-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 1.25rem; }
.course-card { min-height: 330px; padding: clamp(1.5rem, 3.5vw, 3.5rem); background: var(--cream); display: flex; flex-direction: column; border: 1px solid transparent; }
.course-card h3 { max-width: 650px; font-size: clamp(1.8rem, 3vw, 3rem); margin: 2rem 0 1rem; }
.course-card p:not(.course-number) { max-width: 620px; color: var(--ink-soft); }
.card-topic { margin-top: auto; font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; }
.card-course-link { align-self: flex-start; color: inherit; font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: .35rem; }
.card-course-link:hover, .card-course-link:focus-visible { color: var(--forest); }
.course-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: auto; }
.course-card-actions .card-topic { margin-top: 0; }
.card-aula-link { display: inline-flex; align-items: center; min-height: 42px; padding: .5rem .8rem; border: 1px solid var(--ink); font-size: .8rem; font-weight: 700; text-decoration: none; }
.card-aula-link:hover, .card-aula-link:focus-visible { background: var(--ink); color: var(--white); }
.course-card-dark { background: var(--forest-deep); color: var(--white); }
.course-card-dark p:not(.course-number) { color: rgba(255,255,255,.73); }
.secure-course-card { background: #edf0e9; border-color: var(--line); }
.secure-course-card .course-number { color: var(--forest); }
.course-card-next { grid-column: 1 / -1; min-height: 250px; }
.youth-course { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2rem, 7vw, 7rem); margin-top: 1.25rem; padding: clamp(2rem, 4vw, 4rem); background: #dfe5d8; border: 1px solid var(--line); }
.youth-course h3 { max-width: 560px; margin: 1.6rem 0 0; font-size: clamp(2rem, 3.5vw, 3.6rem); }
.youth-course-copy { max-width: 720px; }
.youth-course-copy p { color: var(--ink-soft); }
.youth-principle { display: block; max-width: 480px; margin-top: 2rem; font-family: var(--serif); font-size: clamp(1.2rem, 2vw, 1.55rem); font-weight: 400; line-height: 1.35; }
.youth-options { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.youth-options section { display: flex; flex-direction: column; min-height: 310px; padding: 1.5rem; background: rgba(255,255,255,.5); border-top: 3px solid var(--forest); }
.youth-options span { text-transform: uppercase; letter-spacing: .14em; font-size: .7rem; font-weight: 700; }
.youth-options h4 { margin: 1.25rem 0 1rem; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; line-height: 1.15; }
.youth-options small { display: block; margin-top: auto; padding-top: 1rem; color: var(--ink); font-size: .84rem; font-weight: 650; }
.youth-download { align-self: flex-start; margin-top: auto; padding: .72rem 1rem; font-size: .82rem; }
.youth-download span { margin-left: .45rem; font-size: 1rem; letter-spacing: 0; }
.youth-download + small { margin-top: 0; }

.method { background: #e8e5dc; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 9rem); }
.method-intro h2 { font-size: clamp(2.3rem, 4vw, 4rem); }
.method-steps { list-style: none; padding: 0; margin: 0; }
.method-steps li { display: grid; grid-template-columns: 48px 150px 1fr; gap: 1.2rem; align-items: baseline; padding: 1.3rem 0; border-top: 1px solid var(--line); }
.method-steps li:last-child { border-bottom: 1px solid var(--line); }
.method-steps span { font-family: var(--serif); color: var(--ink-soft); }
.method-steps strong { font-family: var(--serif); font-size: 1.35rem; font-weight: 400; }
.method-steps p { margin: 0; color: var(--ink-soft); }

.observatory { background: var(--forest-deep); color: var(--white); display: grid; grid-template-columns: .45fr 1.05fr .7fr; gap: clamp(2rem, 6vw, 7rem); }
.observatory-label { display: flex; flex-direction: column; gap: .8rem; }
.season { font-family: var(--serif); font-size: 1.65rem; line-height: 1.1; }
.observatory-copy h2 { font-size: clamp(2.3rem, 4vw, 4.2rem); }
.observatory-copy p { color: rgba(255,255,255,.72); font-size: 1.05rem; }
.light-link { display: inline-block; margin-top: 1rem; }
.observatory blockquote { margin: 0; padding-left: 1.8rem; border-left: 1px solid rgba(255,255,255,.4); font-family: var(--serif); font-size: clamp(1.5rem, 2.4vw, 2.3rem); line-height: 1.3; font-style: italic; }

.about { display: grid; grid-template-columns: minmax(300px, .72fr) 1.28fr; gap: clamp(3rem, 9vw, 9rem); align-items: center; }
.about-image { aspect-ratio: 3/4; overflow: hidden; background: var(--sand); }
.about-image img { height: 100%; object-fit: cover; object-position: center; }
.about-copy { max-width: 820px; }
.about-copy h2 { margin-bottom: 2rem; }
.about-lead { font-family: var(--serif); font-size: clamp(1.35rem, 2vw, 1.8rem); line-height: 1.45; }
.about-copy > p:not(.eyebrow):not(.about-lead) { color: var(--ink-soft); font-size: 1.05rem; }
.director { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); display: grid; grid-template-columns: .7fr 1.3fr; gap: 2rem; }
.director > div { display: flex; flex-direction: column; }
.director span { color: var(--ink-soft); }
.director p { margin: 0; color: var(--ink-soft); }
.linkedin-link { display: inline-block; margin-top: 1.5rem; }

.closing { text-align: center; background: var(--cream); }
.closing h2 { max-width: 950px; margin: 0 auto 1.5rem; }
.closing > p:not(.eyebrow) { max-width: 670px; margin: 0 auto 2rem; color: var(--ink-soft); }
.contact { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem,8vw,8rem); background: var(--cream); }
.contact-intro h2 { margin-bottom: 1.5rem; font-size: clamp(2.4rem,4.4vw,4.6rem); }
.contact-intro > p:last-child { max-width: 560px; color: var(--ink-soft); font-size: 1.05rem; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-self: start; padding: clamp(1.5rem,3vw,3rem); background: var(--white); border: 1px solid var(--line); }
.contact-form label:not(.contact-consent) { display: grid; gap: .5rem; font-weight: 700; }
.contact-form input:not([type="checkbox"]), .contact-form select, .contact-form textarea { width: 100%; min-height: 50px; padding: .8rem .9rem; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: var(--ink); font: inherit; }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-full { grid-column: 1 / -1; }
.contact-consent { display: flex; gap: .75rem; align-items: flex-start; color: var(--ink-soft); font-size: .9rem; }
.contact-consent input { width: 18px; height: 18px; margin-top: .2rem; accent-color: var(--forest); }
.contact-actions { display: flex; align-items: center; gap: 1.5rem; margin-top: .4rem; }
.contact-actions p { margin: 0; color: var(--ink-soft); font-size: .85rem; }
.footer { padding: 2.5rem clamp(1.25rem, 5vw, 5.5rem); display: grid; grid-template-columns: 1fr 1fr auto; gap: 2rem; align-items: end; background: var(--paper); border-top: 1px solid var(--line); }
.footer p { margin: .35rem 0 0; color: var(--ink-soft); font-size: .82rem; }
.footer > p { text-align: center; }
.footer a { font-size: .85rem; text-underline-offset: .35rem; }

.program-dialog { width: min(760px, calc(100% - 2rem)); max-height: calc(100vh - 2rem); padding: clamp(1.5rem, 4vw, 3.5rem); border: 0; color: var(--ink); background: var(--paper); box-shadow: 0 30px 90px rgba(0,0,0,.3); }
.program-dialog::backdrop { background: rgba(10, 24, 18, .72); backdrop-filter: blur(4px); }
.dialog-header { display: flex; justify-content: space-between; align-items: flex-start; }
.dialog-close { border: 0; background: transparent; color: var(--ink); font-family: var(--serif); font-size: 2.4rem; line-height: 1; cursor: pointer; }
.program-dialog h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.program-dialog > p { color: var(--ink-soft); }
.program-list { list-style: none; margin: 2rem 0; padding: 0; }
.program-list li { display: grid; grid-template-columns: 42px 1fr; gap: 1rem; padding: 1.15rem 0; border-top: 1px solid var(--line); }
.program-list span { font-family: var(--serif); color: var(--ink-soft); }
.program-list strong { font-family: var(--serif); font-size: 1.15rem; font-weight: 400; }
.program-list p { margin: .3rem 0 0; color: var(--ink-soft); }
.dialog-cta { width: 100%; }
.dialog-actions { display: grid; grid-template-columns: .7fr 1.3fr; gap: .75rem; }
.dialog-actions-three { grid-template-columns: .55fr .55fr 1.4fr; }
.dialog-actions-five { grid-template-columns: .45fr .45fr .45fr .45fr 1.7fr; }

:focus-visible { outline: 3px solid #9c783e; outline-offset: 4px; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 650px; }
  .hero-image-wrap { min-height: 0; }
  .featured-course { grid-template-columns: 100px 1fr; }
  .course-action { grid-column: 2; border-left: 0; border-top: 1px solid var(--line); padding: 1.5rem 0 0; gap: 1rem; }
  .method { grid-template-columns: 1fr; }
  .observatory { grid-template-columns: .5fr 1.5fr; }
  .observatory blockquote { grid-column: 2; }
}

@media (max-width: 760px) {
  .site-header { min-height: 72px; }
  .brand-line, .brand-note { display: none; }
  .menu-toggle { display: block; z-index: 2; }
  .navigation { display: none; position: absolute; left: 0; right: 0; top: 71px; padding: 1.5rem; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  .navigation.is-open { display: flex; }
  .navigation .nav-aula { width: 100%; justify-content: space-between; }
  .hero-copy { min-height: 600px; padding-top: 4.5rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.2rem; margin-bottom: 3rem; }
  .focus-list { grid-template-columns: 1fr 1fr; }
  .hero-image-wrap { min-height: 0; }
  .section-heading { grid-template-columns: 1fr; gap: 1.2rem; }
  .featured-course { grid-template-columns: 1fr; }
  .course-mark { min-height: 90px; flex-direction: row; align-items: end; }
  .course-mark strong { font-size: 3rem; }
  .course-action { grid-column: 1; }
  .course-grid { grid-template-columns: 1fr; }
  .course-card-next { grid-column: 1; }
  .youth-course { grid-template-columns: 1fr; }
  .youth-options { grid-template-columns: 1fr; }
  .youth-options section { min-height: auto; }
  .method-steps li { grid-template-columns: 38px 1fr; }
  .method-steps p { grid-column: 2; }
  .observatory { grid-template-columns: 1fr; }
  .observatory blockquote { grid-column: 1; }
  .about { grid-template-columns: 1fr; }
  .about-image { max-height: 620px; }
  .director { flex-direction: column; }
  .contact { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .contact-full { grid-column: 1; }
  .contact-actions { align-items: flex-start; flex-direction: column; }
  .footer { grid-template-columns: 1fr; align-items: start; }
  .footer > p { text-align: left; }
  .dialog-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}