/* Paleta extraída da capa do livro */
:root {
  --cream: #fbf7ea;
  --cream-2: #f3ecd6;
  --ink: #1f2a33;
  --muted: #5b6770;
  --blue: #1d5a78;
  --blue-deep: #143f55;
  --teal: #5bb5b8;
  --orange: #ea8a5b;
  --card: #ffffff;
  --line: #e6dfc8;
  --radius: 18px;
  --shadow: 0 20px 50px -20px rgba(20, 63, 85, .35);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--serif); font-weight: 650; line-height: 1.15; color: var(--blue-deep); margin: 0 0 .5em; }
p { margin: 0 0 1em; }
[hidden] { display: none !important; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 760px; }
.center { text-align: center; margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.fine { font-size: .8rem; color: var(--muted); margin: .9em 0 0; }
.eyebrow { font: 600 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--orange); margin-bottom: 1rem; }
.h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }

/* Topbar */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(251, 247, 234, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font: 650 1.1rem var(--serif); color: var(--blue-deep); text-decoration: none; }
.brand-dot { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 35% 40%, var(--teal) 0 32%, transparent 33%), radial-gradient(circle at 65% 60%, var(--orange) 0 32%, transparent 33%), var(--blue); }
.lang { display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.lang button { font: 600 .8rem var(--sans); border: 0; background: none; color: var(--muted); padding: 6px 12px; border-radius: 999px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--blue); color: #fff; }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 1rem var(--sans); padding: 14px 26px; border-radius: 999px; border: 2px solid transparent; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { transform: translateY(-2px); }
.btn:disabled { opacity: .7; cursor: wait; transform: none; }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 10px 24px -10px rgba(234, 138, 91, .9); }
.btn-primary:hover { background: #e07a48; }
.btn-ghost { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-light { background: #fff; color: var(--blue-deep); }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-row .btn { flex: 1; padding: 12px 16px; font-size: .92rem; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(40px, 7vw, 88px) 0 64px; }
.hero::before, .hero::after { content: ''; position: absolute; border-radius: 50%; z-index: -1; opacity: .5; }
.hero::before { width: 520px; height: 520px; right: -160px; top: -180px; background: repeating-radial-gradient(circle, var(--teal) 0 2px, transparent 2px 10px); opacity: .18; }
.hero::after { width: 380px; height: 380px; left: -140px; bottom: -160px; background: repeating-radial-gradient(circle, var(--orange) 0 2px, transparent 2px 10px); opacity: .18; }
.hero-grid > *, .hero-copy > * { min-width: 0; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.hero-copy { display: grid; grid-template-columns: 1fr 230px; column-gap: 28px; align-items: start; }
.hero-copy > :not(.checks):not(.hero-cover) { grid-column: 1 / -1; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -.01em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }
.checks { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 36px; }
.checks li::before { content: '✓'; position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 50%; background: var(--teal); color: #fff; font-size: .8rem; font-weight: 700; display: grid; place-items: center; }
.hero-cover { margin: 0; transform: rotate(3deg); }
.hero-cover img { border-radius: 4px 10px 10px 4px; box-shadow: var(--shadow), inset 6px 0 10px rgba(0,0,0,.08); }

/* Cards / formulário */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(24px, 3.5vw, 36px); }
.form-card { position: sticky; top: 88px; border-top: 6px solid var(--orange); }
.form-card h2 { font-size: 1.6rem; }
form { display: grid; gap: 14px; margin-top: 18px; }
label { display: grid; gap: 6px; font-size: .88rem; font-weight: 600; color: var(--ink); }
.opt { font-weight: 400; color: var(--muted); }
input, select { font: 400 1rem var(--sans); color: var(--ink); width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 12px; background: #fffdf7; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(91, 181, 184, .2); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-error { margin: 0; padding: 10px 14px; border-radius: 10px; background: #fdecea; color: #a12a1c; font-size: .9rem; }
.success-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: 1.6rem; font-weight: 700; margin-bottom: 16px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 24px 0; }

/* Três caminhos */
.paths { padding-bottom: 24px; }
.paths-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.path { display: grid; gap: 4px; padding: 22px 24px; border-radius: var(--radius); background: var(--cream-2); color: var(--ink); text-decoration: none; transition: background .15s, transform .15s; }
.path:hover { background: #ece2c4; transform: translateY(-2px); }
.path strong { font: 650 1.15rem var(--serif); color: var(--blue-deep); }
.path span:last-child { color: var(--muted); font-size: .95rem; }
.path-ico { width: 40px; height: 40px; border-radius: 12px; background: var(--blue); color: #fff; display: grid; place-items: center; font-size: 1.15rem; margin-bottom: 8px; }

/* Seções */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.tint { background: var(--cream-2); }
.parts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.part { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.part-n { font: 650 2.2rem var(--serif); color: var(--teal); display: block; margin-bottom: 8px; }
.part h3 { font-size: 1.3rem; }
.part p { color: var(--muted); margin: 0; }

.patterns { list-style: none; counter-reset: p; padding: 0; margin: 40px 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.patterns li { counter-increment: p; display: grid; grid-template-columns: 52px 1fr; column-gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.patterns li::before { content: counter(p, decimal-leading-zero); grid-row: span 2; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font: 650 1.05rem var(--serif); color: #fff; background: var(--blue); }
.patterns li:nth-child(3n+2)::before { background: var(--teal); }
.patterns li:nth-child(3n)::before { background: var(--orange); }
.patterns b { font: 650 1.15rem var(--serif); color: var(--blue-deep); }
.patterns span { color: var(--muted); font-size: .95rem; }

.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.quote { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; justify-content: space-between; gap: 20px; }
.quote blockquote { margin: 0; font: 500 1.1rem/1.55 var(--serif); color: var(--ink); }
.quote figcaption { display: grid; gap: 2px; font-size: .9rem; border-top: 1px solid var(--line); padding-top: 14px; }
.quote figcaption span { color: var(--muted); }

.author { display: grid; grid-template-columns: 380px 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.author-photo img { border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 1; object-fit: cover; }
.stats { list-style: none; padding: 0; margin: 24px 0 0; display: flex; gap: 32px; flex-wrap: wrap; }
.stats li { display: grid; }
.stats b { font: 650 2rem var(--serif); color: var(--orange); }
.stats span { color: var(--muted); font-size: .9rem; }

.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; }
.support-card { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.support-card h3 { font-size: 1.4rem; }
.pix-qr { width: 180px; margin: 8px 0 12px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.pix-qr svg { width: 100%; height: auto; display: block; }
code { font-size: .85rem; background: var(--cream-2); padding: 2px 6px; border-radius: 6px; word-break: break-all; }
#intl-donate { margin-top: 12px; }

.final { background: var(--blue); padding: 72px 0; }
.final .h2 { color: #fff; margin-bottom: 28px; }

.footer { padding: 32px 0; border-top: 1px solid var(--line); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer p { margin: 0; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 999px; font-size: .92rem; z-index: 50; }

/* Responsivo */
@media (max-width: 960px) {
  .hero-grid, .author { grid-template-columns: 1fr; }
  .form-card { position: static; }
  .author-photo { max-width: 420px; }
}
@media (max-width: 760px) {
  .paths-grid, .parts, .patterns, .quotes, .support-grid { grid-template-columns: 1fr; }
  .hero-copy { grid-template-columns: 1fr; }
  .hero-cover { order: -1; width: 170px; margin: 0 auto 28px; }
  .row2 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .path { transition: none; }
}

/* Redes sociais */
.social { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.social a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--blue-deep); font-size: .88rem; font-weight: 600; text-decoration: none; transition: background .15s, color .15s; }
.social a:hover { background: var(--blue); color: #fff; }
.social svg { width: 16px; height: 16px; fill: currentColor; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--blue); }