:root {
  --ink: #101512;
  --ink-2: #1a211d;
  --paper: #f4f1e9;
  --paper-2: #ebe7dc;
  --white: #fff;
  --muted: #626a65;
  --line: rgba(16, 21, 18, .13);
  --lime: #a8ed72;
  --lime-bright: #c5ff97;
  --green: #315f3a;
  --gold: #caa75f;
  --serif: Georgia, "Times New Roman", serif;
  --shadow: 0 26px 70px rgba(12, 18, 14, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
svg { width: 19px; flex: 0 0 auto; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 16px; background: white; transform: translateY(-140%); }
.skip-link:focus { transform: none; }

.site-header { position: absolute; z-index: 20; top: 0; width: 100%; color: white; }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid rgba(255,255,255,.12); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font: italic 700 15px var(--serif); }
.brand > span:last-child { display: flex; flex-direction: column; gap: 3px; }
.brand strong { font-size: 14px; }
.brand small { opacity: .58; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: 30px; font-size: 12px; font-weight: 700; }
nav a { text-decoration: none; opacity: .72; transition: opacity .2s; }
nav a:hover { opacity: 1; }
.header-button { padding: 11px 17px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; font-size: 12px; font-weight: 700; text-decoration: none; }

.hero { min-height: 780px; position: relative; display: flex; align-items: center; overflow: hidden; padding: 135px 0 80px; background: radial-gradient(circle at 12% 25%, #2b352e 0, transparent 32%), linear-gradient(145deg, #161c18, #080b09 72%); color: white; }
.hero-grid-pattern { position: absolute; inset: 0; opacity: .3; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 76px 76px; mask-image: linear-gradient(to right, black, transparent 82%); }
.hero-layout { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 80px; }
.eyebrow, .section-kicker { display: inline-flex; color: var(--lime); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { max-width: 700px; margin: 22px 0; font: 400 clamp(53px, 5.7vw, 82px)/.98 var(--serif); letter-spacing: -.055em; }
.hero h1 em { color: var(--lime); font-weight: 400; }
.hero-copy > p { max-width: 650px; margin: 0; color: rgba(255,255,255,.7); font-size: 18px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 0 22px; border-radius: 8px; text-decoration: none; font-size: 13px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--lime); color: var(--ink); box-shadow: 0 14px 35px rgba(168,237,114,.15); }
.button--ghost { border: 1px solid rgba(255,255,255,.18); color: white; }
.hero-facts { display: flex; gap: 26px; margin-top: 34px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.12); }
.hero-facts span { max-width: 110px; color: rgba(255,255,255,.48); font-size: 10px; line-height: 1.4; text-transform: uppercase; }
.hero-facts strong { display: block; margin-bottom: 2px; color: white; font: 400 22px var(--serif); text-transform: none; }

.library-visual { position: relative; min-height: 500px; perspective: 1100px; }
.visual-book { position: absolute; width: 250px; filter: drop-shadow(0 26px 28px rgba(0,0,0,.45)); }
.visual-book--1 { top: 105px; left: 5px; transform: rotateY(14deg) rotateZ(-9deg) scale(.88); opacity: .78; }
.visual-book--2 { top: 72px; right: 0; transform: rotateY(-13deg) rotateZ(8deg) scale(.9); opacity: .82; }
.visual-book--3 { z-index: 3; top: 15px; left: 50%; transform: translateX(-50%) rotateY(-5deg); }
.collection-badge { position: absolute; z-index: 5; right: 3%; bottom: 15px; padding: 12px 17px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(10,15,12,.8); color: var(--lime); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.book-cover { aspect-ratio: .69; position: relative; display: flex; flex-direction: column; overflow: hidden; padding: 20px; border-radius: 3px 8px 8px 3px; background: radial-gradient(circle at 70% 25%, rgba(168,237,114,.13), transparent 30%), linear-gradient(145deg, #263129, #111612 70%); color: white; box-shadow: inset 5px 0 0 rgba(255,255,255,.05), inset 6px 0 0 rgba(0,0,0,.25); }
.book-cover--comunicacao { background: radial-gradient(circle at 70% 25%, rgba(202,167,95,.15), transparent 30%), linear-gradient(145deg, #393328, #17140f 72%); }
.book-cover--carreira { background: radial-gradient(circle at 70% 25%, rgba(102,153,192,.18), transparent 30%), linear-gradient(145deg, #29343b, #11171b 72%); }
.book-cover--featured { box-shadow: inset 6px 0 rgba(255,255,255,.06), inset 7px 0 rgba(0,0,0,.25), 0 32px 70px rgba(10,14,11,.28); }
.book-cover small { max-width: 78%; color: var(--lime); font-size: 7px; font-weight: 800; letter-spacing: .12em; line-height: 1.35; text-transform: uppercase; }
.book-cover strong { margin-top: auto; font: 400 clamp(16px, 2vw, 25px)/1.05 var(--serif); letter-spacing: -.035em; }
.book-number { position: absolute; top: 17px; right: 16px; color: rgba(255,255,255,.35); font: 400 14px var(--serif); }
.cover-lines { position: absolute; top: 29%; right: -12%; width: 72%; height: 90px; transform: rotate(-14deg); }
.cover-lines i { display: block; height: 1px; margin: 20px 0; background: linear-gradient(90deg, transparent, var(--lime), transparent); opacity: .45; }
.cover-author { margin-top: 15px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.65); font-size: 7px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }

.featured-section { padding: 110px 0; background: var(--paper); }
.featured-grid { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 95px; }
.featured-visual { position: relative; width: min(100%, 390px); }
.featured-tag { display: inline-flex; margin: 0 0 14px; padding: 12px 16px; background: var(--lime); color: var(--ink); font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; box-shadow: 0 12px 30px rgba(22,34,25,.18); }
.featured-copy .section-kicker, .section-heading .section-kicker, .catalog-heading .section-kicker, .author-copy .section-kicker { color: var(--green); }
.featured-copy h2 { margin: 16px 0 12px; font: 400 clamp(39px, 4.6vw, 64px)/1 var(--serif); letter-spacing: -.05em; }
.featured-subtitle { color: var(--green)!important; font-size: 18px!important; font-weight: 700; }
.featured-copy > p { color: var(--muted); font-size: 16px; line-height: 1.7; }
.featured-copy ul { display: grid; gap: 10px; margin: 25px 0; padding: 0; list-style: none; }
.featured-copy li { position: relative; padding-left: 24px; color: #343b37; font-size: 14px; }
.featured-copy li::before { position: absolute; left: 0; content: "✓"; color: var(--green); font-weight: 900; }
.featured-offer { display: flex; align-items: center; gap: 22px; margin-top: 28px; padding-top: 25px; border-top: 1px solid var(--line); }
.featured-offer > div { display: flex; flex-direction: column; min-width: 125px; }
.featured-offer small { color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.featured-offer strong { font: 400 34px var(--serif); }
.button--dark { background: var(--ink); color: white; }
.microcopy { margin: 12px 0 0!important; font-size: 10px!important; }

.path-section { padding: 90px 0; background: var(--ink); color: white; }
.section-heading { max-width: 750px; margin-bottom: 38px; }
.section-heading h2, .catalog-heading h2 { margin: 14px 0; font: 400 clamp(38px, 4vw, 58px)/1.05 var(--serif); letter-spacing: -.045em; }
.section-heading p, .catalog-heading p { color: rgba(255,255,255,.58); line-height: 1.7; }
.path-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.path-grid a { min-height: 220px; display: flex; flex-direction: column; padding: 25px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.035); text-decoration: none; transition: background .2s, border-color .2s, transform .2s; }
.path-grid a:hover { transform: translateY(-3px); border-color: rgba(168,237,114,.45); background: rgba(168,237,114,.06); }
.path-grid span { color: var(--lime); font: 400 16px var(--serif); }
.path-grid strong { max-width: 230px; margin-top: auto; font: 400 27px var(--serif); }
.path-grid small { max-width: 270px; margin-top: 12px; color: rgba(255,255,255,.52); line-height: 1.5; }

.catalog-section { padding: 110px 0; background: #faf9f5; }
.catalog-heading { display: grid; grid-template-columns: 1.4fr .6fr; align-items: end; gap: 70px; margin-bottom: 70px; }
.catalog-heading p { color: var(--muted); }
.catalog-heading p strong { color: var(--ink); }
.catalog-group { scroll-margin-top: 20px; margin-top: 70px; }
.group-title { display: flex; align-items: center; gap: 20px; margin-bottom: 25px; color: var(--green); font: italic 400 24px var(--serif); }
.group-title i { height: 1px; flex: 1; background: var(--line); }
.catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.ebook-card { min-height: 340px; display: grid; grid-template-columns: 175px 1fr; overflow: hidden; border: 1px solid var(--line); background: white; transition: transform .22s, box-shadow .22s, border-color .22s; }
.ebook-card:hover { transform: translateY(-4px); border-color: rgba(49,95,58,.3); box-shadow: 0 20px 46px rgba(20,29,23,.1); }
.ebook-card--featured { border: 2px solid var(--green); }
.ebook-card-cover { display: flex; align-items: center; padding: 18px; background: var(--paper-2); }
.ebook-card-cover .book-cover { width: 100%; height: auto; min-height: 0; }
.ebook-card-cover .book-cover strong { font-size: 17px; }
.ebook-card-copy { display: flex; flex-direction: column; padding: 23px 22px 20px; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--green); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.card-meta em { padding: 5px 7px; border-radius: 999px; background: rgba(49,95,58,.1); font-style: normal; }
.ebook-card h3 { margin: 17px 0 9px; font: 400 25px/1.08 var(--serif); letter-spacing: -.035em; }
.card-subtitle { margin: 0; color: var(--green); font-size: 12px; font-weight: 700; line-height: 1.45; }
.card-pain { margin: 12px 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.card-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 15px; border-top: 1px solid var(--line); }
.card-bottom > strong { font: 400 23px var(--serif); }
.card-link { display: inline-flex; align-items: center; justify-content: flex-end; gap: 7px; max-width: 160px; color: var(--green); text-align: right; text-decoration: none; font-size: 10px; font-weight: 900; line-height: 1.25; text-transform: uppercase; }
.card-link svg { width: 16px; }

.guide-section { padding: 75px 0; background: var(--lime); }
.guide-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 45px; }
.guide-inner h2 { max-width: 780px; margin: 12px 0 0; font: 400 clamp(33px,4vw,52px)/1.05 var(--serif); letter-spacing: -.045em; }
.guide-inner p { max-width: 720px; margin: 16px 0 0; color: rgba(16,21,18,.68); font-size: 14px; line-height: 1.6; }
.guide-inner .section-kicker { color: var(--green); }
.button--whatsapp { background: var(--ink); color: white; white-space: nowrap; }

.author-section { padding: 110px 0; background: var(--paper); }
.author-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 85px; }
.author-photo { position: relative; overflow: hidden; min-height: 510px; background: #181b19; }
.author-photo img { width: 100%; height: 100%; min-height: 510px; object-fit: cover; object-position: center; filter: saturate(.82); }
.author-photo > div { position: absolute; right: 20px; bottom: 20px; max-width: 190px; padding: 16px; background: var(--lime); }
.author-photo > div strong, .author-photo > div span { display: block; }
.author-photo > div strong { font: 400 21px var(--serif); }
.author-photo > div span { margin-top: 4px; font-size: 9px; line-height: 1.4; text-transform: uppercase; }
.author-copy h2 { margin: 15px 0 5px; font: 400 clamp(44px,5vw,68px)/1 var(--serif); letter-spacing: -.05em; }
.author-copy h3 { margin: 0 0 24px; color: var(--green); font-size: 16px; }
.author-copy p { color: var(--muted); line-height: 1.75; }
.author-copy blockquote { margin: 30px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); font: italic 400 26px var(--serif); }

footer { padding: 55px 0; background: #080b09; color: white; }
.footer-inner { display: grid; grid-template-columns: 1fr 1.2fr auto; align-items: center; gap: 45px; }
.brand--footer { color: white; }
.footer-inner p { max-width: 470px; margin: 0; color: rgba(255,255,255,.45); font-size: 10px; line-height: 1.6; }
.footer-inner > a { color: var(--lime); font-size: 12px; font-weight: 800; text-decoration: none; }
.floating-whatsapp { position: fixed; z-index: 30; right: 22px; bottom: 22px; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; background: #25d366; color: white; box-shadow: 0 12px 34px rgba(0,0,0,.25); }
.floating-whatsapp svg { width: 26px; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero-layout { grid-template-columns: 1fr; gap: 30px; }
  .hero { padding-top: 135px; }
  .library-visual { width: min(100%, 560px); margin: auto; }
  .featured-grid { gap: 55px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner > a { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1180px); }
  .header-inner { min-height: 74px; }
  .brand small { display: none; }
  .header-button { font-size: 10px; padding: 10px 13px; }
  .hero { min-height: auto; padding: 118px 0 70px; }
  .hero h1 { font-size: 49px; }
  .hero-copy > p { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .hero-facts { gap: 15px; }
  .hero-facts span { flex: 1; }
  .library-visual { min-height: 390px; transform: scale(.85); transform-origin: top center; margin-bottom: -65px; }
  .visual-book { width: 205px; }
  .featured-section, .catalog-section, .author-section { padding: 75px 0; }
  .featured-grid, .catalog-heading, .author-grid, .guide-inner { grid-template-columns: 1fr; gap: 38px; }
  .featured-visual { width: min(88%, 360px); margin: auto; }
  .featured-copy h2 { font-size: 43px; }
  .featured-offer { align-items: stretch; flex-direction: column; }
  .featured-offer .button { width: 100%; }
  .path-grid { grid-template-columns: 1fr; }
  .path-grid a { min-height: 170px; }
  .catalog-heading { margin-bottom: 45px; }
  .catalog-heading h2 { font-size: 41px; }
  .ebook-card { grid-template-columns: 125px 1fr; min-height: 360px; }
  .ebook-card-cover { padding: 11px; }
  .ebook-card-cover .book-cover { width: 100%; min-height: 0; padding: 13px; }
  .ebook-card-cover .book-cover strong { font-size: 14px; }
  .book-cover small { font-size: 6px; }
  .ebook-card-copy { padding: 18px 15px 16px; }
  .ebook-card h3 { font-size: 22px; }
  .card-bottom { align-items: flex-start; flex-direction: column; }
  .card-link { max-width: none; text-align: left; }
  .guide-inner .button { width: 100%; white-space: normal; }
  .author-photo, .author-photo img { min-height: 400px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner > a { grid-column: auto; }
}

@media (max-width: 390px) {
  .hero h1 { font-size: 43px; }
  .ebook-card { grid-template-columns: 110px 1fr; }
  .ebook-card h3 { font-size: 20px; }
}

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