/* ============================================================
   PHPeste 2026 — Stylesheet
   Identidade: xilogravura nordestina × Amazônia Maranhense
   ============================================================ */

/* ── Custom fonts ────────────────────────────────────────── */
@font-face {
  font-family: 'Eldes';
  src: url('../assets/fonts/eldes.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  --orange:   #D4743A;
  --black:    #0D0906;
  --espresso: #231208;
  --sand:     #C4A07A;
  --sand-lt:  #F0E6D3;
  --crimson:  #A52830;
  --yellow:   #F5C828;
  --blue:     #2845C8;
  --green:    #3A6E28;
  --white:    #FFFFFF;
  --off-white:#FAF6EF;

  --font-display: 'Rubik Dirt', system-ui, serif;
  --font-heading: 'Eldes', Georgia, serif;
  --font-body:    'Lora', Georgia, serif;

  --radius: 4px;
  --container: 1100px;
  --nav-h: 72px;

  /* Texture overlay for woodcut feel */
  --texture: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--espresso);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
p  { font-size: clamp(1rem, 1.5vw, 1.125rem); }

strong { font-weight: 700; }
em { font-style: italic; }

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.btn:active { transform: translateY(0); }

.btn-primary  { background: var(--orange); color: var(--black); border-color: var(--orange); }
.btn-primary:hover { background: #c0632a; }
.btn-outline  { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn-nav { padding: .55rem 1.25rem; font-size: .9rem; }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background .3s, box-shadow .3s;
}
.navbar.scrolled {
  background: var(--espresso);
  box-shadow: 0 2px 20px rgba(0,0,0,.4);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo-img {
  /* 850x482 → ~1.76:1 — a 50px de altura fica ~88px de largura */
  height: 50px;
  width: auto;
  display: block;
  /* Logo é preta — inverte para branco no fundo escuro */
  filter: invert(1) brightness(2);
  transition: filter .2s, opacity .4s;
  opacity: 0;
}
.nav-logo:hover .nav-logo-img {
  filter: invert(1) brightness(2) sepia(1) saturate(3) hue-rotate(340deg);
}

/* Logo no footer */
.footer-logo-img {
  height: 80px;
  width: auto;
  display: block;
  filter: invert(1) brightness(1.5);
  margin-bottom: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}
.nav-links a {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: .9rem;
  color: var(--sand-lt);
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: color .2s;
}
.nav-links a:hover { color: var(--orange); }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

/* ── Hamburger ───────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .25rem;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ─────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--espresso);
  z-index: 99;
  padding: 1.5rem;
  display: none;
  border-bottom: 3px solid var(--orange);
}
.mobile-menu.open { display: block; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 1rem; }
.mobile-nav-links a {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1.25rem;
  color: var(--sand-lt);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .5rem 0;
  border-bottom: 1px solid rgba(196,160,122,.15);
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--espresso);
  background-image:
    var(--texture),
    radial-gradient(ellipse at 70% 50%, rgba(212,116,58,.18) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(58,110,40,.12) 0%, transparent 50%);
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Azulejo-pattern border at bottom */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--orange) 0px, var(--orange) 32px,
    var(--espresso) 32px, var(--espresso) 40px,
    var(--yellow) 40px, var(--yellow) 72px,
    var(--espresso) 72px, var(--espresso) 80px,
    var(--crimson) 80px, var(--crimson) 112px,
    var(--espresso) 112px, var(--espresso) 120px
  );
}

/* Decorative serpent silhouette */
.hero-illustration {
  position: absolute;
  right: -40px;
  bottom: 40px;
  width: 55%;
  max-width: 680px;
  opacity: .07;
  pointer-events: none;
  user-select: none;
}
.hero-serpent {
  width: 100%;
  padding-bottom: 55%;
  background: var(--orange);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 220'%3E%3Cpath d='M380 110 C360 60 300 40 240 70 C180 100 160 140 100 130 C60 124 30 90 10 110' stroke='white' stroke-width='28' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 220'%3E%3Cpath d='M380 110 C360 60 300 40 240 70 C180 100 160 140 100 130 C60 124 30 90 10 110' stroke='white' stroke-width='28' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
}

/* Hero logo — large in hero, flies to nav on scroll */
.hero-logo-img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  filter: invert(1) brightness(2);
  margin-bottom: 2.5rem;
  transform-origin: left center;
  transition: opacity .4s, transform .1s linear;
  will-change: opacity, transform;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 4rem 0;
  color: var(--white);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  margin-bottom: 1.5rem;
}
.hero-badge {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  background: var(--orange);
  color: var(--black);
  padding: .3rem .85rem;
  border-radius: 2px;
}
.hero-location {
  font-family: var(--font-heading);
  font-size: .95rem;
  color: var(--sand);
  letter-spacing: .06em;
}

.hero-title {
  font-family: var(--font-display);
  color: var(--white);
  margin-bottom: 1.25rem;
  letter-spacing: -.01em;
  text-shadow: 2px 3px 0 rgba(0,0,0,.4);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--sand-lt);
  margin-bottom: 2.5rem;
  max-width: 540px;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ── Section base ────────────────────────────────────────── */
.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-title { margin-bottom: .75rem; }
.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  opacity: .8;
  max-width: 560px;
  margin: 0 auto;
}

/* Section color themes */
.section-sand    { background: var(--sand-lt); color: var(--espresso); }
.section-espresso {
  background: var(--espresso);
  color: var(--white);
  background-image: var(--texture);
}
.section-espresso .section-subtitle { color: var(--sand); }
.section-espresso .section-title    { color: var(--sand-lt); }

.section-orange {
  background: var(--orange);
  color: var(--black);
  background-image: var(--texture);
}
.section-dark {
  background: var(--black);
  color: var(--white);
  background-image: var(--texture),
    radial-gradient(ellipse at 60% 40%, rgba(58,110,40,.15) 0%, transparent 60%);
}
.section-dark .section-subtitle { color: var(--sand); }
.section-dark .section-title    { color: var(--sand-lt); }

.section-crimson {
  background: var(--crimson);
  color: var(--white);
  background-image: var(--texture);
}
.section-crimson .section-subtitle { color: rgba(255,255,255,.8); }
.section-crimson .btn-primary { background: var(--yellow); color: var(--black); border-color: var(--yellow); }
.section-crimson .btn-primary:hover { background: #e0b420; }
.section-orange .btn-primary { background: var(--espresso); color: var(--sand-lt); border-color: var(--espresso); }
.section-orange .btn-primary:hover { background: #3a2010; }

/* ── Sobre ───────────────────────────────────────────────── */
.sobre-text {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
}
.sobre-text h2 { margin-bottom: 1.5rem; }
.sobre-text p  { margin-bottom: 1rem; color: var(--espresso); }
.sobre-text strong { color: var(--crimson); }

/* ── Números ─────────────────────────────────────────────── */
.numeros-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2px;
  background: var(--espresso);
  border: 2px solid var(--espresso);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}
.numero-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  background: var(--off-white);
  gap: .4rem;
}
.numero-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--orange);
  line-height: 1;
}
.numero-label {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--espresso);
  text-align: center;
}

/* ── Section body prose ──────────────────────────────────── */
.section-body p   { margin-bottom: 1rem; }
.section-body h3  { margin-bottom: .5rem; margin-top: 1.5rem; }
.section-cta { text-align: center; margin-top: 2.5rem; }

/* ── Tickets ─────────────────────────────────────────────── */
.tickets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 860px;
  margin: 2rem auto 0;
}

.ticket-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ticket-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}

.ticket-active {
  background: var(--white);
  color: var(--espresso);
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.ticket-active::before { background: var(--yellow); }

.ticket-pending {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.65);
  border: 1px solid rgba(255,255,255,.15);
}
.ticket-pending::before { background: rgba(255,255,255,.2); }

.ticket-lote {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  opacity: .7;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .2rem;
}
.ticket-lote-note {
  font-size: .68rem;
  letter-spacing: .04em;
  text-transform: none;
  opacity: .75;
  font-style: italic;
  font-family: var(--font-body);
}

.ticket-name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.1;
  color: inherit;
}
.ticket-active .ticket-name { color: var(--espresso); }

.ticket-price {
  display: flex;
  align-items: flex-start;
  gap: .25rem;
  line-height: 1;
}
.ticket-currency {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1.1rem;
  margin-top: .35rem;
  opacity: .8;
}
.ticket-value {
  font-family: var(--font-display);
  font-size: 3rem;
  color: inherit;
}
.ticket-active .ticket-value { color: var(--crimson); }

.btn-ticket {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
  font-size: .9rem;
  padding: .6rem 1.5rem;
  width: 100%;
  justify-content: center;
}
.btn-ticket:hover { background: #e0b420; }

.ticket-soon {
  font-family: var(--font-heading);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  opacity: .5;
}

/* ── Mapa ─────────────────────────────────────────────────── */
.map-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}
.btn-outline-dark {
  background: transparent;
  color: var(--sand-lt);
  border: 2px solid rgba(196,160,122,.5);
  padding: .65rem 1.5rem;
  font-size: .95rem;
}
.btn-outline-dark:hover {
  border-color: var(--sand);
  color: var(--white);
  background: rgba(196,160,122,.1);
}

/* ── Azulejo divider utility ─────────────────────────────── */
.azulejo-bar {
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--orange)  0px, var(--orange)  32px,
    var(--espresso) 32px, var(--espresso) 40px,
    var(--yellow)  40px, var(--yellow)  72px,
    var(--espresso) 72px, var(--espresso) 80px,
    var(--crimson) 80px, var(--crimson) 112px,
    var(--espresso) 112px, var(--espresso) 120px
  );
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--black);
  color: var(--sand);
  padding: 3rem 0;
  font-family: var(--font-body);
  border-top: 8px solid;
  border-image: repeating-linear-gradient(
    90deg,
    var(--orange)  0px, var(--orange)  32px,
    var(--espresso) 32px, var(--espresso) 40px,
    var(--yellow)  40px, var(--yellow)  72px,
    var(--espresso) 72px, var(--espresso) 80px,
    var(--crimson) 80px, var(--crimson) 112px,
    var(--espresso) 112px, var(--espresso) 120px
  ) 1;
}
.footer-logo {
  display: flex;
  align-items: baseline;
  gap: .25rem;
  margin-bottom: 1.5rem;
}
.footer-body p { margin-bottom: .5rem; font-size: .95rem; }
.footer-socials {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
  flex-wrap: wrap;
}
.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--orange);
  transition: color .2s, background .2s;
  border-radius: 50%;
}
.footer-social-link svg { flex-shrink: 0; width: 20px; height: 20px; }
.footer-social-link:hover { color: var(--yellow); background: rgba(245,200,40,.1); }
.footer-realizacao {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.footer-realizacao-logo {
  height: 48px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
}

.footer-copy {
  margin-top: 1.5rem;
  font-size: .85rem;
  color: rgba(196,160,122,.5);
}
.footer-credit {
  margin-top: .5rem;
  font-size: .78rem;
  color: rgba(196,160,122,.25);
}
.footer-credit a {
  color: rgba(196,160,122,.5);
  text-decoration: none;
}
.footer-credit a:hover {
  color: var(--sand);
}

/* ── Schedule ────────────────────────────────────────────── */
.schedule-tabs {
  display: flex;
  gap: .25rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid rgba(196,160,122,.15);
}
.schedule-tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: .75rem 1.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: .85rem;
  letter-spacing: .02em;
  color: rgba(196,160,122,.45);
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.schedule-tab:hover  { color: var(--sand); }
.schedule-tab.active { color: var(--sand-lt); border-bottom-color: var(--orange); }

.schedule-panel { display: none; }
.schedule-panel.active { display: block; }

/* Grid rows */
.schedule-header,
.schedule-row {
  display: grid;
  grid-template-columns: 70px 1fr 1fr 1fr;
  gap: 2px;
  margin-bottom: 2px;
}
.schedule-time-header { /* empty placeholder */ }
.schedule-room {
  background: rgba(196,160,122,.08);
  color: var(--orange);
  font-family: var(--font-body);
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-align: center;
  padding: .5rem .75rem;
}
.schedule-time {
  display: flex;
  align-items: center;
  padding: .75rem .25rem .75rem 0;
  color: rgba(196,160,122,.5);
  font-family: var(--font-body);
  font-size: .78rem;
  letter-spacing: 0;
}
.schedule-cell {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(196,160,122,.08);
  padding: .75rem 1rem;
  min-height: 70px;
}
.schedule-cell-talk {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.schedule-category-badge {
  position: absolute;
  top: .5rem;
  right: .5rem;
  color: var(--orange);
  opacity: .7;
  line-height: 0;
}
.schedule-category-badge svg { display: block; }

/* Legenda de categorias */
.schedule-legend {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(196,160,122,.12);
  border-radius: 4px;
}
.schedule-legend-title {
  display: block;
  font-family: var(--font-body);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(196,160,122,.45);
  margin-bottom: .75rem;
}
.schedule-legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .75rem;
}
.schedule-legend-item {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-body);
  font-size: .75rem;
  color: rgba(196,160,122,.6);
}
.schedule-legend-item svg { color: var(--orange); opacity: .7; flex-shrink: 0; }
.schedule-talk-duration {
  font-family: var(--font-body);
  font-size: .7rem;
  letter-spacing: .01em;
  color: var(--orange);
  opacity: .7;
}
.schedule-talk-title {
  font-family: var(--font-body);
  font-style: italic;
  font-size: .85rem;
  color: rgba(240,230,211,.35);
}
.schedule-talk-title--confirmed {
  color: rgba(240,230,211,.85);
  font-style: normal;
}
.schedule-talk-speaker {
  font-family: var(--font-body);
  font-size: .75rem;
  color: rgba(196,160,122,.25);
}
.schedule-talk-speaker--confirmed {
  color: var(--orange);
  opacity: .75;
}

/* Full-width cells (credenciamento, almoço) */
.schedule-cell-span { grid-column: 2 / -1; min-height: 48px; }
.schedule-cell-credenciamento {
  background: rgba(212,116,58,.1);
  border-color: rgba(212,116,58,.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-body);
  font-size: .85rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--orange);
}
.schedule-cell-lunch {
  background: rgba(212,116,58,.1);
  border-color: rgba(212,116,58,.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-body);
  font-size: .85rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--orange);
}

/* Tourism day */
.schedule-turismo {
  text-align: center;
  padding: 4rem 2rem;
  color: rgba(196,160,122,.5);
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1.05rem;
}
.schedule-turismo-icon {
  font-size: 1.75rem;
  color: var(--orange);
  display: block;
  margin-bottom: 1rem;
}

/* Mobile: scroll horizontal */
@media (max-width: 768px) {
  .schedule-tabs { overflow-x: auto; padding-bottom: .25rem; }
  .schedule-tab  { padding: .65rem 1.25rem; }
  .schedule-grid { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .schedule-header,
  .schedule-row   { min-width: 560px; }
}

/* ── Palestrantes ────────────────────────────────────────── */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.speaker-card {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 4px;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.speaker-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  cursor: pointer;
}
.speaker-photo-wrap {
  aspect-ratio: 1;
  overflow: hidden;
}
.speaker-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.speaker-info {
  padding: .9rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.speaker-name {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  margin: 0;
}
.speaker-bio {
  font-family: var(--font-body);
  font-size: .78rem;
  color: rgba(0,0,0,.6);
  line-height: 1.5;
  margin: 0;
}
.speaker-bio p { margin: 0; }
.speaker-talk {
  font-family: var(--font-body);
  font-size: .75rem;
  font-style: italic;
  color: rgba(0,0,0,.55);
  margin: 0;
  line-height: 1.4;
}
.speaker-category {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: .2rem;
  font-family: var(--font-body);
  font-size: .7rem;
  color: rgba(0,0,0,.5);
}
.speaker-category svg { opacity: .7; }

/* ── Modal palestrante ───────────────────────────────────── */
.speaker-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,9,6,.88);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.speaker-modal-backdrop.open { display: flex; }

.speaker-modal {
  background: var(--espresso);
  border: 1px solid rgba(196,160,122,.35);
  border-radius: 6px;
  display: flex;
  gap: 0;
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
}
.speaker-modal-close {
  position: absolute;
  top: .75rem;
  right: .75rem;
  background: none;
  border: none;
  color: rgba(196,160,122,.5);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
  z-index: 1;
  transition: color .15s;
}
.speaker-modal-close:hover { color: var(--orange); }

.speaker-modal-photo-wrap {
  width: 260px;
  flex-shrink: 0;
}
.speaker-modal-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.speaker-modal-body {
  padding: 2rem 2rem 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  overflow-y: auto;
}
.speaker-modal-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--sand-lt);
  margin: 0;
}
.speaker-modal-bio {
  font-family: var(--font-body);
  font-size: .875rem;
  color: rgba(196,160,122,.8);
  line-height: 1.65;
}
@media (min-width: 769px) {
  .speaker-modal-bio { font-size: .72rem; }
  .bio-section-content { max-height: calc(4 * 1.65 * 0.72rem); }
}
.speaker-modal-bio p { margin: 0 0 .4rem; }
.speaker-modal-bio p:last-child { margin-bottom: 0; }

/* Seções colapsáveis */
.bio-section { display: flex; flex-direction: column; }
.bio-section-content {
  position: relative;
  overflow: hidden;
  max-height: calc(4 * 1.65 * 0.875rem);
  transition: max-height .3s ease;
}
.bio-section-content:not(.bio-section-expanded)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1.4rem;
  background: linear-gradient(to bottom, transparent, #231208);
  pointer-events: none;
}
.bio-section-content.bio-section-expanded { max-height: 600px; }
.bio-expand-toggle {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: .4rem;
  cursor: pointer;
  user-select: none;
}
.bio-expand-toggle::before,
.bio-expand-toggle::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(196,160,122,.15);
}
.bio-expand-btn {
  font-family: var(--font-body);
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(196,160,122,.4);
  white-space: nowrap;
  line-height: 1;
  transition: color .15s;
}
.bio-expand-toggle:hover .bio-expand-btn { color: var(--orange); }

.bio-atividades-label {
  display: block;
  font-family: var(--font-body);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(240,230,211,.75);
  padding-top: 2em;
  margin-bottom: 1em;
}

.bio-talk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .6rem;
  margin: .35rem 0 .6rem;
}
.bio-talk-meta .modal-meta-item {
  font-size: .78rem;
}

.speaker-modal-bio h2 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--orange);
  margin: 1.1rem 0 .35rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(196,160,122,.1);
}
.speaker-modal-bio h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.speaker-modal-bio p { margin: 0; }
.speaker-modal-divider {
  height: 1px;
  background: rgba(196,160,122,.12);
  margin: .25rem 0;
}
.speaker-modal-talk-title {
  font-family: var(--font-body);
  font-style: italic;
  font-size: .9rem;
  color: var(--sand-lt);
  margin: 0;
  line-height: 1.4;
}
.speaker-modal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .75rem;
}
.modal-meta-item {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-family: var(--font-body);
  font-size: .78rem;
  color: rgba(196,160,122,.6);
}
.modal-meta-trilha { color: var(--orange); }
.modal-meta-trilha svg { opacity: .8; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .speaker-modal { flex-direction: column; max-height: 95vh; }
  .speaker-modal-photo-wrap { width: 100%; height: 220px; }
  .speaker-modal-body { padding: 1.25rem; }

  .nav-links { display: none; }
  .hamburger { display: flex; }
  .btn-nav   { display: none; }

  .hero-illustration { opacity: .04; width: 90%; right: -20px; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn-lg    { width: 100%; justify-content: center; }
  .numeros-grid { grid-template-columns: repeat(2, 1fr); }
}