/* ============================================================
   Auralscapes — folha de estilos única
   Princípios: muito espaço em branco, tipografia como protagonista,
   poucos elementos decorativos, sensação de livro.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Inter:wght@400;500;600&display=swap');

:root {
  --color-bg: #FAF8F4;
  --color-bg-alt: #F3F0E9;
  --color-ink: #14161A;
  --color-ink-soft: #3A3D42;
  --color-muted: #6B6F76;
  --color-accent: #29A9E0;
  --color-accent-ink: #157AA8;
  --color-line: #E4E0D6;

  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --measure: 42rem;
  --measure-wide: 52rem;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

p { margin: 0 0 var(--space-3); }

ul { margin: 0; padding: 0; list-style: none; }

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

/* ---------- layout helpers ---------- */

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.prose {
  max-width: var(--measure);
  margin: 0 auto;
}

.prose-wide {
  max-width: var(--measure-wide);
  margin: 0 auto;
}

.prose p, .prose ul { max-width: var(--measure); }

/* ---------- header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--space-3);
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--color-ink);
}

.logo__text {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo__text .logo__bold {
  font-family: var(--font-sans);
  font-weight: 600;
}

.logo__swoosh {
  width: 100%;
  height: 8px;
  margin-top: -2px;
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.95rem;
}

.nav__item { position: relative; }

.nav__link {
  padding: 0.4rem 0.1rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link[aria-current="page"] {
  color: var(--color-accent-ink);
  border-bottom-color: var(--color-accent);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.6rem;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  min-width: 220px;
  padding: 0.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  box-shadow: 0 12px 28px rgba(20,22,26,0.08);
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  display: block;
  padding: 0.55rem 0.7rem;
  font-size: 0.92rem;
  border-radius: 2px;
}

.nav__dropdown a:hover { background: var(--color-bg-alt); color: var(--color-accent-ink); }

.nav__cta {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--color-ink);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.nav__cta:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--color-ink);
}

.menu-toggle svg { width: 24px; height: 24px; }

/* mobile nav */
@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 0;
    top: 68px;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-3);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }

  .nav__links.is-open { transform: translateX(0); }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }

  .nav__item { width: 100%; }

  .nav__link {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-line);
    font-size: 1.1rem;
  }

  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    box-shadow: none;
    padding: 0 0 0 1rem;
    display: none;
  }

  .nav__item.is-expanded .nav__dropdown { display: block; }

  .nav__dropdown a { padding: 0.7rem 0; border-bottom: 1px solid var(--color-line); font-size: 1rem; }

  .nav__cta { margin-top: var(--space-3); }

  .menu-toggle { display: inline-flex; }
}

/* ---------- page hero ---------- */

.page-hero {
  padding: var(--space-6) 0 var(--space-4);
}

.page-hero__eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-ink);
  margin-bottom: var(--space-2);
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  max-width: var(--measure-wide);
}

.page-hero__lede {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin-top: var(--space-3);
}

/* ---------- sections ---------- */

section { padding: var(--space-5) 0; }

section + section { border-top: 1px solid var(--color-line); }

.section-title {
  font-size: 1.9rem;
  margin-bottom: var(--space-3);
}

.section-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
  display: block;
}

/* ---------- numbered list (áreas / metodologia) ---------- */

.numbered-list {
  border-top: 1px solid var(--color-line);
}

.numbered-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

.numbered-item__index {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-accent);
}

.numbered-item h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-1);
}

.numbered-item p { margin-bottom: var(--space-1); color: var(--color-ink-soft); }

.numbered-item__link {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.95rem;
  color: var(--color-accent-ink);
  border-bottom: 1px solid var(--color-accent);
}

@media (max-width: 640px) {
  .numbered-item { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* ---------- perfil (Quem Conduz) ---------- */

.profile-hero {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  flex-wrap: wrap;
}

.profile-photo {
  width: 132px;
  height: 132px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: none;
}

.profile-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
}

.profile-photo__placeholder {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-accent);
}

.profile-intro { flex: 1; min-width: 260px; }

.profile-role {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.4rem;
}

.profile-tags {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1.2rem;
}

.profile-linkedin {
  display: inline-block;
  font-size: 0.92rem;
  color: var(--color-accent-ink);
  border-bottom: 1px solid var(--color-accent);
}

.credential-list { border-top: 1px solid var(--color-line); }

.credential-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
}

.credential-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.credential-item span {
  display: block;
  color: var(--color-ink-soft);
  font-size: 0.96rem;
}

.credential-item small {
  display: block;
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  border: 1px solid var(--color-line);
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  background: var(--color-bg);
}

.sector-block { margin-bottom: var(--space-3); }

.sector-block h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.pull-quote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.5;
  color: var(--color-ink);
}

/* ---------- publicações: cadernos para download ---------- */

.pub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: var(--space-3);
}

.pub-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-line);
  padding: 0;
  background: var(--color-bg);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pub-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 14px 30px rgba(20, 22, 26, 0.08);
}

.pub-card__cover {
  display: block;
  position: relative;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  cursor: pointer;
}

.pub-card__cover img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.pub-card:hover .pub-card__cover img { transform: scale(1.04); }

.pub-card__cover-hint {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.9rem 1rem 0.7rem;
  background: linear-gradient(to top, rgba(20, 22, 26, 0.82), transparent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-align: left;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.pub-card:hover .pub-card__cover-hint,
.pub-card__cover:focus-visible .pub-card__cover-hint {
  opacity: 1;
  transform: translateY(0);
}

.pub-card__body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: var(--space-4);
}

.pub-card__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.pub-card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.6rem;
}

.pub-card p {
  color: var(--color-ink-soft);
  margin-bottom: 1.1rem;
  flex-grow: 1;
}

.pub-card__toggle {
  align-self: flex-start;
}

.pub-form {
  display: none;
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--color-line);
}

.pub-form.is-open { display: block; }

.pub-form label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

.pub-form input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-ink);
  margin-bottom: 0.9rem;
}

.pub-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.pub-form button {
  width: 100%;
}

@media (max-width: 760px) {
  .pub-grid { grid-template-columns: 1fr; }
}

/* ---------- simple list (publicações formats) ---------- */

.plain-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

.plain-list li:first-child { border-top: 1px solid var(--color-line); }

/* ---------- CTA / convite block ---------- */

.cta-block {
  background: var(--color-bg-alt);
  padding: var(--space-5) 0;
}

.cta-block__inner {
  max-width: var(--measure);
  margin: 0 auto;
  text-align: left;
}

.cta-block p {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-ink-soft);
}

.button {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--color-ink);
  font-size: 0.98rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
  margin-top: var(--space-2);
}

.button:hover { background: var(--color-ink); color: var(--color-bg); }

.button--accent {
  border-color: var(--color-accent-ink);
  color: var(--color-accent-ink);
}

.button--accent:hover {
  background: var(--color-accent-ink);
  border-color: var(--color-accent-ink);
  color: #fff;
}

/* ---------- contato page ---------- */

.contact-links {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

.contact-links a {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  border-bottom: 1px solid transparent;
}

.contact-links a:hover { border-bottom-color: var(--color-accent); color: var(--color-accent-ink); }

.contact-links span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-5) 0 var(--space-4);
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__col h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
  font-weight: 600;
}

.footer__col a {
  display: block;
  padding: 0.3rem 0;
  font-size: 0.95rem;
}

.footer__col a:hover { color: var(--color-accent-ink); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ---------- home-only bits ---------- */

.hero-lead {
  padding: var(--space-5) 0 var(--space-4);
}

.hero-lead h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  max-width: var(--measure-wide);
  margin-top: var(--space-2);
}

.hero-lead__sub {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin-top: var(--space-2);
}

.hero-lead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: var(--space-3);
}

.hero-lead + .areas-lead { border-top: none; }

.areas-lead { padding-top: 0; padding-bottom: var(--space-5); }

.area-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.area-card {
  display: block;
  border: 1px solid var(--color-line);
  padding: var(--space-4);
  background: var(--color-bg);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.area-card:hover,
.area-card:focus-visible {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(20, 22, 26, 0.08);
}

.area-card__index {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.6rem;
}

.area-card h3 {
  font-size: 1.7rem;
  margin-bottom: 0.6rem;
}

.area-card p {
  color: var(--color-ink-soft);
  margin-bottom: 0.8rem;
}

.area-card__link {
  font-size: 0.92rem;
  color: var(--color-accent-ink);
  border-bottom: 1px solid var(--color-accent);
}

@media (max-width: 760px) {
  .area-grid { grid-template-columns: 1fr; }
}

.hero-manifesto {
  padding: var(--space-5) 0;
}

.hero-manifesto--secondary {
  background: var(--color-bg-alt);
}

.hero-manifesto p {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  line-height: 1.45;
  max-width: var(--measure-wide);
  color: var(--color-ink);
}

@media (max-width: 640px) {
  .hero-manifesto { padding: var(--space-4) 0 var(--space-4); }
  .hero-lead { padding: var(--space-4) 0 var(--space-3); }
  section { padding: var(--space-4) 0; }
  .page-hero { padding: var(--space-4) 0 var(--space-3); }
}