/* ============================================================
   INSTITUTO ALTIS LISBOA — Árvore de Links
   Mesmo estilo editorial da árvore da Ana Lisboa, com a paleta do Instituto:
   verde-petróleo predominante, creme como respiro, âmbar como acento.
   ============================================================ */

@font-face {
  font-family: "Rizoma";
  src: url("../fonts/RizomaM-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Helvetica Local";
  src: url("../fonts/Helvetica.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Helvetica Local";
  src: url("../fonts/Helvetica-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* ---- Cor — paleta do Instituto (sem bordô) ---- */
  --verde:        #1C3829;
  --verde-deep:   #10281B;
  --verde-mid:    #2F4A3B;
  --cream:       #FBF7EE;
  --cream-warm:  #F0EAD9;
  --amber:       #A4721C;
  --amber-text:  #83590F; /* âmbar escurecido p/ texto pequeno sobre creme (AA) */
  --amber-light: #C08930;
  --amber-soft:  #D4A855;

  --verde-a08:  rgba(16, 40, 27, 0.08);
  --verde-a15:  rgba(16, 40, 27, 0.15);
  --verde-a25:  rgba(16, 40, 27, 0.25);
  --cream-a80: rgba(251, 247, 238, 0.80);
  --cream-a10: rgba(251, 247, 238, 0.10);

  /* ---- Tipografia ---- */
  --font-display: "Rizoma", "Cormorant Garamond", Georgia, serif;
  --font-serif:   "Cormorant Garamond", Georgia, serif;
  --font-body:    "Helvetica Local", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --fs-xs:   clamp(0.68rem, 0.64rem + 0.2vw, 0.78rem);
  --fs-sm:   clamp(0.82rem, 0.78rem + 0.2vw, 0.92rem);
  --fs-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --fs-lead: clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);
  --fs-card: clamp(1.05rem, 0.98rem + 0.4vw, 1.3rem);
  --fs-h2:   clamp(1.8rem, 1.5rem + 1.4vw, 2.6rem);
  --fs-hero: clamp(2.6rem, 1.9rem + 4.2vw, 5rem);

  /* ---- Espaçamento ---- */
  --space-2xs: 0.4rem;
  --space-xs:  0.65rem;
  --space-sm:  1rem;
  --space-md:  1.6rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6.5rem;

  /* ---- Forma / elevação ---- */
  --radius-card: 14px;
  --radius-pill: 999px;
  --shadow-rest: 0 1px 2px var(--verde-a08);
  --shadow-hover: 0 18px 34px -12px var(--verde-a25);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 320ms;

  --container: 1160px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--verde-deep);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

/* ---- Acessibilidade: skip link ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 100;
  background: var(--verde);
  color: var(--cream);
  padding: 0.8em 1.4em;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0 0 8px 0;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus {
  top: 0;
}

/* ---- Foco visível global ---- */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}
.hero :focus-visible, .press-band:focus-visible, .site-footer :focus-visible { outline-color: var(--amber-soft); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: min(100svh, 780px);
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  isolation: isolate;
  background: var(--verde-deep);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 100%;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(16, 40, 27, 0) 0%, rgba(16, 40, 27, 0) 45%, rgba(16, 40, 27, 0.9) 100%);
}

.hero__content {
  position: relative;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  color: var(--cream);
  text-align: center;
}

.hero__seal {
  width: 76px;
  height: 76px;
  margin: 0 auto var(--space-md);
  opacity: 0;
  animation: reveal-up var(--dur) var(--ease) 0s forwards;
}

@media (min-width: 768px) {
  .hero { align-items: center; }
  .hero__content { padding-block: var(--space-xl); }
  .hero__seal { width: 88px; height: 88px; }
}

.hero__name {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.92;
  font-size: clamp(2.3rem, 1.6rem + 3.6vw, 4.2rem);
  text-wrap: balance;
  max-width: 12em;
  margin: 0 auto var(--space-sm);
  opacity: 0;
  animation: reveal-up var(--dur) var(--ease) 0.05s forwards;
}

.hero__descriptor {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: var(--fs-lead);
  color: var(--cream-a80);
  max-width: 34ch;
  margin: 0 auto var(--space-md);
  opacity: 0;
  animation: reveal-up var(--dur) var(--ease) 0.15s forwards;
}

.hero__social {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  opacity: 0;
  animation: reveal-up var(--dur) var(--ease) 0.25s forwards;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--cream-a10);
  border-radius: 50%;
  color: var(--cream);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.social-link svg { width: 18px; height: 18px; fill: currentColor; }

.social-link:hover,
.social-link:focus-visible {
  border-color: var(--amber-soft);
  background: var(--cream-a10);
  transform: translateY(-2px);
}
@media (prefers-reduced-motion: reduce) {
  .social-link:hover { transform: none; }
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__seal, .hero__name, .hero__descriptor, .hero__social {
    opacity: 1;
    animation: none;
  }
}

/* ============================================================
   TRANSIÇÃO EDITORIAL (hero → conteúdo)
   ============================================================ */
.intro-line {
  max-width: 44ch;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--verde-mid);
}

/* ============================================================
   SEÇÕES
   ============================================================ */
.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.section__label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--verde-mid);
  margin-bottom: var(--space-xl);
}
.section__label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--verde-a15);
}

/* ---- Peças tipográficas compartilhadas ---- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber-text);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--verde);
  width: fit-content;
}
.cta__text {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: text-decoration-color var(--dur) var(--ease);
}
.arrow {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease);
}
.arrow--lg { width: 19px; height: 19px; }

.feature:hover .cta__text, .feature:focus-visible .cta__text,
.index-row:hover .cta__text, .index-row:focus-visible .cta__text,
.press-band:hover .cta__text, .press-band:focus-visible .cta__text {
  text-decoration-color: currentColor;
}
.feature:hover .arrow, .feature:focus-visible .arrow,
.index-row:hover .arrow, .index-row:focus-visible .arrow,
.press-band:hover .arrow, .press-band:focus-visible .arrow {
  transform: translate(3px, -3px);
}
@media (prefers-reduced-motion: reduce) {
  .feature:hover .arrow, .index-row:hover .arrow, .press-band:hover .arrow { transform: none; }
}

/* Estado inicial só é aplicado via JS (progressive enhancement) —
   sem JS, os elementos já nascem visíveis. */
[data-reveal] {
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
[data-reveal].js-pre-reveal { opacity: 0; transform: translateY(18px); }
[data-reveal].js-revealed { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal].js-pre-reveal { opacity: 1; transform: none; }
}

/* ============================================================
   FEATURE — bloco editorial (Podcast / Livro)
   ============================================================ */
.feature {
  display: grid;
  grid-template-columns: 1fr;
  row-gap: var(--space-sm);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--verde-a15);
  color: var(--verde-deep);
}

.feature--podcast, .feature--program {
  grid-template-areas: "eyebrow" "title" "media" "desc" "cta";
}
.feature--book {
  grid-template-areas: "media" "eyebrow" "title" "desc" "cta";
  margin-top: var(--space-lg);
}

.feature > .eyebrow { grid-area: eyebrow; }
.feature > .cta { grid-area: cta; margin-top: var(--space-2xs); }

.feature__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.96;
  font-size: clamp(2.2rem, 1.5rem + 3.4vw, 4.2rem);
}

.feature__desc {
  grid-area: desc;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-lead);
  color: var(--verde-mid);
  max-width: 42ch;
}

.feature__media {
  grid-area: media;
  display: block;
  overflow: hidden;
  border-radius: 3px;
}
.feature__media picture,
.feature__media img {
  display: block;
  width: 100%;
  height: 100%;
}
.feature--podcast .feature__media,
.feature--program .feature__media {
  aspect-ratio: 4 / 5;
}
.feature--podcast .feature__media img,
.feature--program .feature__media img {
  object-fit: cover;
  transition: transform 700ms var(--ease);
}
.feature--podcast:hover .feature__media img,
.feature--podcast:focus-visible .feature__media img,
.feature--program:hover .feature__media img,
.feature--program:focus-visible .feature__media img {
  transform: scale(1.045);
}
.feature--program .feature__media { position: relative; background: var(--verde-deep); }
.feature--program .feature__media .feature__logo,
.feature--program:hover .feature__media .feature__logo,
.feature--program:focus-visible .feature__media .feature__logo {
  position: absolute;
  top: 7%;
  left: 0;
  right: 0;
  width: min(56%, 280px);
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  transform: none;
}
.feature--program .feature__media img { object-position: 50% 100%; }

.feature--book .feature__media {
  border-radius: 0;
  overflow: visible;
  display: flex;
  justify-content: center;
}
.feature--book .feature__media img {
  width: auto;
  max-width: min(78%, 320px);
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 22px 40px var(--verde-a25));
  transition: transform 700ms var(--ease);
}
.feature--book:hover .feature__media img,
.feature--book:focus-visible .feature__media img {
  transform: translateY(-4px);
}

@media (prefers-reduced-motion: reduce) {
  .feature--program:hover .feature__media img,
  .feature--podcast:hover .feature__media img,
  .feature--book:hover .feature__media img { transform: none; }
}

@media (min-width: 860px) {
  .feature--podcast, .feature--program {
    grid-template-columns: 1fr 1.05fr;
    grid-template-areas:
      "eyebrow media"
      "title   media"
      "desc    media"
      "cta     media";
    align-items: center;
    column-gap: var(--space-2xl);
  }
  .feature--book {
    grid-template-columns: 0.8fr 1fr;
    grid-template-areas:
      "media eyebrow"
      "media title"
      "media desc"
      "media cta";
    align-items: center;
    column-gap: var(--space-2xl);
  }
  .feature--book .feature__media { justify-content: flex-start; }
  .feature--book .feature__media img { max-width: 100%; }
}

/* ============================================================
   ÍNDICE EDITORIAL (Site / Instagram / YouTube)
   ============================================================ */
.index-list {
  border-bottom: 1px solid var(--verde-a15);
}

.index-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-lg) var(--space-md);
  margin: 0 calc(var(--space-md) * -1);
  border-top: 1px solid var(--verde-a15);
  color: var(--verde-deep);
  transition: background var(--dur) var(--ease);
}
.index-row:hover,
.index-row:focus-visible {
  background: var(--verde-a08);
}

.index-row__meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}
.index-row__num {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--amber-text);
}
.index-row__label {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--verde-mid);
}
.index-row__title {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 400;
  line-height: 1.05;
  font-size: clamp(1.5rem, 1.2rem + 2vw, 2.3rem);
}

@media (min-width: 640px) {
  .index-row {
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
  }
  .index-row__meta {
    flex: 0 0 auto;
    width: 9.5rem;
  }
  .index-row__title { flex: 1 1 auto; }
  .index-row .cta { flex: 0 0 auto; }
}

/* ============================================================
   FAIXA DE IMPRENSA (Mídia Kit)
   ============================================================ */
.press-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding: var(--space-xl) var(--space-lg);
  background: var(--verde-deep);
  color: var(--cream);
  border-radius: 3px;
  transition: background var(--dur) var(--ease);
}
.press-band:hover,
.press-band:focus-visible {
  background: var(--verde);
}
.press-band__text {
  display: flex;
  flex-direction: column;
  gap: 0.4em;
}
.press-band__title {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 400;
  font-size: clamp(1.6rem, 1.3rem + 1.6vw, 2.4rem);
}
.press-band__desc {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-sm);
  color: var(--cream-a80);
  max-width: 38ch;
}
.press-band .eyebrow { color: var(--amber-soft); }
.press-band .cta { color: var(--cream); }

/* ============================================================
   RODAPÉ
   ============================================================ */
.site-footer {
  background: var(--verde-deep);
  color: var(--cream-a80);
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  text-align: center;
}

.site-footer__company {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: var(--fs-sm);
  margin: 0 auto var(--space-lg);
}
.site-footer__company strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-lead);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 0.3rem;
}

.site-footer__logo {
  display: inline-block;
  width: 104px;
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}
.site-footer__logo img { width: 100%; height: auto; }

.site-footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-base);
  max-width: 32ch;
  margin: 0 auto var(--space-lg);
}

.site-footer__meta {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-a80);
  opacity: 0.6;
}

.site-footer__meta a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-footer__meta a:hover { color: var(--amber-soft); }