/* ============================================================
   Casa da Árvore — Editorial redesign system
   Fonts: Cormorant Garamond (display) + Inter (body) + JetBrains Mono (meta)
   ============================================================ */

/* --- Tokens --- */
:root {
  --bg:      #f5f2ea;
  --paper:   #ede8da;
  --ink:     #14231b;
  --forest:  #1f3a2b;
  --moss:    #425c3e;
  --accent:  #c87d4a;
  --bg-soft: #faf8f2;

  --line:    rgba(20, 35, 27, 0.18);
  --line-2:  rgba(20, 35, 27, 0.1);
  --soft:    rgba(20, 35, 27, 0.6);
  --soft-2:  rgba(20, 35, 27, 0.8);

  --serif: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --gutter: 56px;
  --gutter-mobile: 24px;
  --maxw: 1400px;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Soft shadows + radii (round/floating treatment) */
  --shadow-card: 0 4px 14px rgba(20, 35, 27, 0.06), 0 24px 48px rgba(20, 35, 27, 0.07);
  --shadow-card-hover: 0 6px 18px rgba(20, 35, 27, 0.08), 0 30px 60px rgba(20, 35, 27, 0.10);
  --shadow-portrait: 0 30px 80px rgba(20, 35, 27, 0.14);
  --radius-card: 24px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 74px; /* space for fixed nav */
}

::selection { background: var(--accent); color: var(--bg); }

img { max-width: 100%; height: auto; display: block; }

button { font-family: inherit; }

a { color: inherit; text-decoration: none; transition: color 0.2s ease; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Typography primitives --- */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.serif-italic { font-family: var(--serif); font-style: italic; font-weight: 400; }
.italic-accent { font-style: italic; color: var(--forest); }
.italic-moss { font-style: italic; color: var(--moss); }
.italic-terracotta { font-style: italic; color: var(--accent); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; color: var(--ink); line-height: 1.06; }

.meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.meta-accent {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Masthead/folio row: № 01 — label · subitem */
.folio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 40px;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
@media (max-width: 900px) {
  .container { padding: 0 var(--gutter-mobile); }
}

.section { padding: 80px 0; border-bottom: 1px solid var(--line); }
.section--tight { padding: 64px 0; }
.section--tall { padding: 96px 0; }
.section--paper { background: var(--paper); }
.section--dark { background: var(--ink); color: var(--bg); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--bg); }
.section--dark .meta { color: rgba(245,242,234,0.5); }

/* Hairline rule between sibling items */
.hr-dark { height: 1px; background: var(--line); border: 0; }
.hr-light { height: 1px; background: rgba(245,242,234,0.2); border: 0; }

/* --- Masthead nav (editorial) --- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(245,242,234,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
}
.site-nav__left { display: flex; align-items: center; gap: 14px; }
.site-nav__mark {
  width: 40px; height: 40px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg);
}
.site-nav__mark img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.site-nav__wordmark {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.site-nav__tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}
.site-nav__links {
  list-style: none;
  display: flex;
  gap: 32px;
  justify-content: center;
}
.site-nav__links a {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.2s ease;
}
.site-nav__links a:hover { border-bottom-color: var(--line); }
.site-nav__links a[aria-current="page"] {
  border-bottom-color: var(--accent);
  font-weight: 500;
}
.site-nav__right { display: flex; align-items: center; gap: 14px; }
.site-nav__cta {
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  letter-spacing: 0.02em;
  border: 0;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.site-nav__cta:hover { background: var(--forest); }

/* Mobile nav */
.site-nav__mobile-btn {
  display: none;
  background: none; border: 0;
  color: var(--ink);
  cursor: pointer;
  padding: 8px;
}
.site-nav__mobile-menu {
  display: none;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 16px var(--gutter);
}
.site-nav__mobile-menu.is-open { display: block; }
.site-nav__mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
}
.site-nav__mobile-menu a:last-child {
  border-bottom: 0;
  color: var(--accent);
  font-weight: 500;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .site-nav__inner { padding: 14px var(--gutter-mobile); grid-template-columns: 1fr auto; }
  .site-nav__tag, .site-nav__links, .site-nav__right { display: none; }
  .site-nav__mobile-btn { display: inline-flex; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 16px 24px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }

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

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

.btn--accent { background: var(--accent); color: var(--ink); }
.btn--accent:hover { background: #b06a38; color: var(--bg); }

.btn--outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--outline:hover { border-color: var(--ink); }

.btn--outline-light { background: transparent; color: var(--bg); border-color: rgba(245,242,234,0.4); }
.btn--outline-light:hover { border-color: var(--bg); }

.btn--lg { padding: 20px 32px; font-size: 15px; }
.btn--compact { padding: 10px 18px; gap: 10px; }

.btn .arrow { font-size: 16px; line-height: 1; }

/* --- Hero photo panel (replaces botanical plate) --- */
.hero-photo {
  position: relative;
  overflow: hidden;
  background: var(--paper);
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,35,27,0) 40%, rgba(20,35,27,0.55) 100%);
  pointer-events: none;
}
.hero-photo__caption {
  position: absolute;
  bottom: 18px; left: 20px; right: 20px;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(245,242,234,0.9);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
  z-index: 2;
}

/* --- Leaf plate (botanical placeholder — kept for decorative use) --- */
.leaf-plate {
  background: var(--paper);
  position: relative;
  overflow: hidden;
  background-image: repeating-linear-gradient(135deg, transparent 0 11px, rgba(20,35,27,0.04) 11px 12px);
}
.leaf-plate svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: multiply;
}
.leaf-plate__caption {
  position: absolute;
  bottom: 18px; left: 20px; right: 20px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
}

/* --- Footer (editorial masthead) --- */
.site-footer {
  background: var(--ink);
  color: var(--bg);
  padding: 64px var(--gutter) 44px;
  font-family: var(--sans);
  font-size: 13px;
}
.site-footer__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(245,242,234,0.15);
}
.site-footer__wordmark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 30px;
  margin-bottom: 14px;
  color: var(--bg);
}
.site-footer__desc {
  opacity: 0.7;
  line-height: 1.65;
  max-width: 360px;
}
.site-footer__col-label {
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 14px;
}
.site-footer__col-links { display: flex; flex-direction: column; gap: 8px; opacity: 0.88; }
.site-footer__col-links a { color: var(--bg); }
.site-footer__col-links a:hover { color: var(--accent); }

.site-footer__bottom {
  max-width: var(--maxw);
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0.55;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.site-footer__legal {
  background: none;
  border: 0;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 0;
}
.site-footer__legal:hover { color: var(--accent); opacity: 1; }

@media (max-width: 900px) {
  .site-footer { padding: 48px var(--gutter-mobile) 32px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 32px; }
  .site-footer__grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; }
}

/* --- Modals (inherited shell) --- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(20,35,27,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}
.modal-overlay.is-open { display: flex; }
.modal {
  background: var(--bg);
  color: var(--ink);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
}
.modal__header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal__header h3 {
  font-family: var(--serif);
  font-size: 28px;
  margin: 0;
  letter-spacing: -0.02em;
}
.modal__close {
  background: none; border: 0;
  color: var(--ink);
  cursor: pointer;
  padding: 4px;
}
.modal__body {
  padding: 24px 28px;
  overflow-y: auto;
  font-size: 15px;
  line-height: 1.7;
}
.modal__body h4 {
  font-family: var(--serif);
  font-size: 18px;
  margin-top: 20px;
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.modal__body h4:first-of-type { margin-top: 0; }
.modal__body p { margin-bottom: 16px; max-width: none; }
.modal__body ul { margin: 0 0 16px 20px; }
.modal__body a { color: var(--accent); text-decoration: underline; }
.modal__footer {
  padding: 16px 28px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
}

/* --- WhatsApp float --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  z-index: 90;
  box-shadow: 0 8px 22px rgba(20,35,27,0.18);
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: translateY(-2px) scale(1.05); }

/* --- Reveal utility --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --- Shared: Hero split (floating portrait on the right) --- */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 80px;
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 96px var(--gutter) 120px;
}
.hero-split__body {
  max-width: 640px;
  padding: 0;
}
.hero-split__plate {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-portrait);
}
@media (max-width: 1000px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 56px;
    padding: 56px var(--gutter-mobile) 80px;
  }
  .hero-split__body { padding: 0; }
  .hero-split__plate {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    aspect-ratio: 3 / 4;
    order: -1;
  }
}

.hero-h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 7.5vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}
.hero-h1 .italic-accent { font-style: italic; color: var(--forest); }
.hero-h1 .italic-moss { font-style: italic; color: var(--moss); }

/* --- Page H2/H3 scaling --- */
.h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 4.5vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0;
}

.h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}

/* --- Prose lead --- */
.lead {
  font-family: var(--sans);
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.6;
  color: var(--ink);
  text-wrap: pretty;
  max-width: 640px;
}
.lead--opaque { opacity: 0.88; }

/* --- Stats/keyword strip --- */
.strip {
  padding: 56px var(--gutter) 96px;
  background: var(--paper);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  max-width: var(--maxw);
  margin: 0 auto;
}
.strip__item {
  padding: 8px 28px;
  border-left: 1px solid var(--line);
}
.strip__item:first-child { border-left: 0; padding-left: 0; }
.strip__k {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 2.6vw, 2.35rem);
  line-height: 1.05;
  color: var(--forest);
  letter-spacing: -0.02em;
}
.strip__v {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 12px;
}

@media (max-width: 700px) {
  .strip { grid-template-columns: 1fr 1fr; padding: 36px var(--gutter-mobile); }
  .strip__item { padding: 16px; border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
  .strip__item:nth-child(odd) { border-left: 0; }
  .strip__item:nth-child(-n+2) { border-top: 0; }
}

/* --- CTA banner (large outlined box) --- */
.cta-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 48px 52px;
  border: 1px solid var(--ink);
}
.cta-banner__text {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.02;
  color: var(--ink);
  letter-spacing: -0.025em;
}
.cta-banner__text .italic-accent { font-style: italic; color: var(--forest); }
@media (max-width: 700px) {
  .cta-banner { grid-template-columns: 1fr; gap: 24px; padding: 32px 24px; }
}

/* --- Callout note --- */
.callout {
  padding: 26px 32px;
  border-left: 3px solid var(--accent);
  background: rgba(200,125,74,0.08);
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink);
}
.callout__label {
  display: block;
  font-style: normal;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.callout strong { font-style: normal; font-weight: 500; }

/* --- Small legal/disclosure note --- */
.small-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.8;
  max-width: 900px;
}