/* ═══════════════════════════════════════════════════════════════
   XIII FÓRUM CIENTÍFICO ESEFEX — AMBIENTES EXTREMOS
   ═══════════════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg:          #0e0c0a;
  --bg-2:        #131008;
  --bg-card:     #1a1510;
  --bg-card-h:   #211a12;
  --border:      rgba(220, 120, 20, 0.14);
  --border-h:    rgba(220, 120, 20, 0.40);

  --fire:        #ff6b1a;
  --fire-dim:    rgba(255, 107, 26, 0.15);
  --fire-glow:   rgba(255, 107, 26, 0.40);
  --amber:       #f59e0b;
  --amber-dim:   rgba(245, 158, 11, 0.15);
  --blue-dim:    rgba(180, 120, 60, 0.15);
  --grad:        linear-gradient(135deg, #ff6b1a 0%, #f59e0b 100%);
  --grad-subtle: linear-gradient(135deg, rgba(255,107,26,.08) 0%, rgba(245,158,11,.08) 100%);

  --text:        #f0ebe4;
  --text-dim:    #9a8a78;
  --text-muted:  #5a4e42;

  --font-head:   'Rajdhani', sans-serif;
  --font-body:   'Inter', sans-serif;

  --radius:      10px;
  --radius-lg:   16px;
  --shadow:      0 8px 32px rgba(0,0,0,.6);
  --shadow-fire: 0 0 28px rgba(255,107,26,.22);

  --nav-h:       64px;
  --trans:       .25s ease;
}

/* ── RESET ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── SR-ONLY (acessibilidade + SEO) ──────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── CONTAINER ──────────────────────────────────────────────── */
.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

/* ── SECTION HEADER ─────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--fire);
  padding: .3em .9em;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--fire-dim);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  margin-top: .75rem;
  color: var(--text-dim);
  font-size: .95rem;
  max-width: 560px;
  margin-inline: auto;
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75em 1.75em;
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: all var(--trans);
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,26,.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,107,26,.5);
}
.btn--outline {
  background: transparent;
  color: var(--fire);
  border: 1.5px solid var(--fire);
}
.btn--outline:hover {
  background: var(--fire-dim);
  transform: translateY(-2px);
}
.btn--lg { padding: 1em 2.5em; font-size: 1.1rem; }

/* ── FADE-IN ANIMATION ──────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(14,12,10,.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background var(--trans), box-shadow var(--trans);
}
.navbar.scrolled {
  background: rgba(14,12,10,.97);
  box-shadow: var(--shadow);
}
.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}
.navbar__logo {
  height: 38px;
  width: auto;
  filter: brightness(1.1);
}
.navbar__title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text);
}
.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar__link {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color var(--trans);
  position: relative;
}
.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1.5px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--trans);
}
.navbar__link:hover,
.navbar__link.active { color: var(--fire); }
.navbar__link:hover::after,
.navbar__link.active::after { transform: scaleX(1); }
.navbar__cta {
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .5em 1.4em;
  border-radius: 4px;
  background: var(--grad);
  color: #fff;
  transition: all var(--trans);
  box-shadow: 0 2px 12px rgba(255,107,26,.3);
}
.navbar__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255,107,26,.45);
}

/* ── NAVBAR DROPDOWN ─────────────────────────────────────── */
.navbar__dropdown { position: relative; }
.navbar__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: .35rem;
}
.navbar__dropdown-trigger svg {
  transition: transform var(--trans);
  opacity: .6;
}
.navbar__dropdown-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }
.navbar__dropdown-menu {
  position: absolute;
  top: calc(100% + .75rem);
  left: 50%;
  transform: translateX(-50%);
  background: #1a1510;
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  padding: .5rem;
  min-width: 180px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity var(--trans), visibility var(--trans), transform var(--trans);
  z-index: 200;
}
.navbar__dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.navbar__dropdown-item {
  display: block;
  padding: .6rem 1rem;
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--text-dim);
  border-radius: var(--radius);
  transition: background var(--trans), color var(--trans);
}
.navbar__dropdown-item:hover { background: var(--fire-dim); color: var(--fire); }

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--trans);
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 0 5rem;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* Foto de esporte extremo — atleta em montanha nevada */
  background-image: url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?w=1920&q=80&auto=format&fit=crop');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}
/* Overlay escuro + gradiente laranja na base — texto legível, clima de fogo/extremo */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(10,8,5,.70) 0%,
      rgba(10,8,5,.40) 40%,
      rgba(10,8,5,.55) 70%,
      rgba(14,9,3,.90) 100%),
    linear-gradient(135deg,
      rgba(180,60,0,.25) 0%,
      transparent 60%);
}
/* barra de gradiente laranja na base — ancora visualmente */
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
  opacity: .7;
}

/* partículas de brasa (mantidas mas mais sutis sobre a foto) */
.hero__grid { display: none; }

.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__particles span {
  position: absolute;
  width: 2px; height: 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,150,50,.9), rgba(255,107,26,.3));
  opacity: 0;
  animation: emberRise 9s infinite ease-out;
}
.hero__particles span:nth-child(1)  { left:  8%; animation-delay: 0s;   animation-duration: 8s; }
.hero__particles span:nth-child(2)  { left: 18%; animation-delay: 1.8s; animation-duration: 10s; }
.hero__particles span:nth-child(3)  { left: 27%; animation-delay: 3.5s; animation-duration: 9s; }
.hero__particles span:nth-child(4)  { left: 38%; animation-delay: 0.9s; animation-duration: 11s; }
.hero__particles span:nth-child(5)  { left: 48%; animation-delay: 2.5s; animation-duration: 8s; }
.hero__particles span:nth-child(6)  { left: 58%; animation-delay: 4.2s; animation-duration: 9.5s; }
.hero__particles span:nth-child(7)  { left: 67%; animation-delay: 0.5s; animation-duration: 10.5s; }
.hero__particles span:nth-child(8)  { left: 77%; animation-delay: 2.3s; animation-duration: 9s; }
.hero__particles span:nth-child(9)  { left: 88%; animation-delay: 1.3s; animation-duration: 8.5s; }
.hero__particles span:nth-child(10) { left: 13%; animation-delay: 5s;   animation-duration: 10s; }
.hero__particles span:nth-child(11) { left: 53%; animation-delay: 3.7s; animation-duration: 11s; }
.hero__particles span:nth-child(12) { left: 72%; animation-delay: 5.8s; animation-duration: 9s; }

@keyframes emberRise {
  0%   { bottom: 0%; opacity: 0; transform: translateX(0) rotate(0deg); }
  6%   { opacity: .7; }
  50%  { transform: translateX(10px) rotate(6deg); opacity: .35; }
  85%  { opacity: .1; }
  100% { bottom: 100%; opacity: 0; transform: translateX(-6px) rotate(-4deg); }
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:.2; } }

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.hero__badge {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber);
  padding: .35em 1.1em;
  border: 1px solid var(--border-h);
  border-radius: 4px;
  background: var(--amber-dim);
  margin-bottom: 1.8rem;
  animation: fadeSlideDown .7s ease both;
}
.hero__title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: .03em;
  animation: fadeSlideDown .7s .15s ease both;
}
.hero__title--accent {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  margin-top: 1.5rem;
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: rgba(240, 235, 228, .85);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.7;
  text-shadow: 0 1px 6px rgba(0,0,0,.5);
  animation: fadeSlideDown .7s .28s ease both;
}
.hero__meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
  animation: fadeSlideDown .7s .38s ease both;
}
.hero__meta-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-head);
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(240, 235, 228, .8);
  text-shadow: 0 1px 6px rgba(0,0,0,.5);
}
.hero__meta-item svg { width: 16px; height: 16px; color: var(--fire); }

/* countdown */
.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin: 2.5rem auto;
  width: fit-content;
  background: rgba(0,0,0,.4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  animation: fadeSlideDown .7s .48s ease both;
}
.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 70px;
}
.countdown__num {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.countdown__label {
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: .3rem;
}
.countdown__sep {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 0 .25rem;
  align-self: flex-start;
  padding-top: .15em;
  animation: blink 1s infinite;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:.2; } }

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeSlideDown .7s .58s ease both;
}
.hero__scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 46px;
  border: 2px solid var(--border-h);
  border-radius: 6px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero__scroll-hint span {
  width: 4px; height: 10px;
  background: var(--fire);
  border-radius: 2px;
  animation: scrollDown 1.8s infinite;
}
@keyframes scrollDown {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(16px); opacity: 0; }
}
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════════════════════
   SOBRE
══════════════════════════════════════════════════════════════ */
.sobre {
  padding: 6rem 0;
  background: var(--bg-2);
  position: relative;
}
.sobre::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: .4;
}
.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.sobre__text p {
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}
.sobre__text strong { color: var(--fire); font-weight: 600; }
.sobre__cta {
  text-align: center;
  margin-top: 2.5rem;
}
.sobre__submissao-link {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--fire);
  border: 1px solid rgba(255,107,26,.35);
  border-radius: var(--radius-lg);
  padding: .85rem 2.25rem;
  background: var(--fire-dim);
  transition: background var(--trans), border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.sobre__submissao-link:hover {
  background: rgba(255,107,26,.25);
  border-color: var(--fire);
  transform: translateY(-2px);
  box-shadow: var(--shadow-fire);
}
.sobre__stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: border-color var(--trans), transform var(--trans);
}
.stat-card:hover {
  border-color: var(--border-h);
  transform: translateX(4px);
}
.stat-card__icon {
  width: 48px; height: 48px;
  border-radius: 8px;
  background: var(--fire-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-card__icon svg {
  width: 22px; height: 22px;
  color: var(--fire);
}
.stat-card__num {
  font-family: var(--font-head);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card__label {
  font-size: .85rem;
  color: var(--text-dim);
  letter-spacing: .04em;
}

/* ══════════════════════════════════════════════════════════════
   EIXOS TEMÁTICOS
══════════════════════════════════════════════════════════════ */
.eixos {
  padding: 6rem 0;
  background: var(--bg);
}
.eixos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.eixo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
  cursor: default;
}
.eixo-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.eixo-card[data-eixo="1"]::before { background: linear-gradient(90deg, #ff6b1a, #ff8c42); }
.eixo-card[data-eixo="2"]::before { background: linear-gradient(90deg, #e05c11, #c4490a); }
.eixo-card[data-eixo="3"]::before { background: linear-gradient(90deg, #d4520a, #b84008); }
.eixo-card[data-eixo="4"]::before { background: linear-gradient(90deg, #c4490a, #a03508); }
.eixo-card[data-eixo="5"]::before { background: linear-gradient(90deg, #f59e0b, #d97706); }
.eixo-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-fire);
}
.eixo-card__num {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  opacity: .07;
  position: absolute;
  top: .75rem; right: 1rem;
  pointer-events: none;
}
.eixo-card__icon {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: var(--fire-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.eixo-card__icon svg { width: 20px; height: 20px; color: var(--fire); }
.eixo-card[data-eixo="2"] .eixo-card__icon { background: rgba(224,92,17,.1); border-color: rgba(224,92,17,.2); }
.eixo-card[data-eixo="2"] .eixo-card__icon svg { color: #e05c11; }
.eixo-card[data-eixo="3"] .eixo-card__icon { background: rgba(212,82,10,.1); border-color: rgba(212,82,10,.2); }
.eixo-card[data-eixo="3"] .eixo-card__icon svg { color: #d4520a; }
.eixo-card[data-eixo="4"] .eixo-card__icon { background: rgba(196,73,10,.1); border-color: rgba(196,73,10,.2); }
.eixo-card[data-eixo="4"] .eixo-card__icon svg { color: #c4490a; }
.eixo-card[data-eixo="5"] .eixo-card__icon { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.2); }
.eixo-card[data-eixo="5"] .eixo-card__icon svg { color: #f59e0b; }
.eixo-card__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .6rem;
  line-height: 1.3;
}
.eixo-card__desc {
  font-size: .82rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ── Eixo labels above speaker grids ───────────────────────── */
.speakers-eixo-label {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--text-dim);
  margin: 3rem 0 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}
.eixo-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .25em .8em;
  border-radius: 999px;
  white-space: nowrap;
}
.eixo-badge--1 { background: rgba(255,107,26,.15); color: #ff6b1a; border: 1px solid rgba(255,107,26,.25); }
.eixo-badge--2 { background: rgba(224,92,17,.15);  color: #e05c11; border: 1px solid rgba(224,92,17,.25); }
.eixo-badge--3 { background: rgba(212,82,10,.15);  color: #d4520a; border: 1px solid rgba(212,82,10,.25); }
.eixo-badge--4 { background: rgba(196,73,10,.15);  color: #c4490a; border: 1px solid rgba(196,73,10,.25); }
.eixo-badge--5 { background: rgba(245,158,11,.15); color: #f59e0b; border: 1px solid rgba(245,158,11,.25); }

/* ── Timeline eixo dots and tags ─────────────────────────────── */
.eixo-dot--1 { background: #ff6b1a; box-shadow: 0 0 10px rgba(255,107,26,.5); border-radius: 3px; }
.eixo-dot--2 { background: #e05c11; box-shadow: 0 0 10px rgba(224,92,17,.5);  border-radius: 3px; }
.eixo-dot--3 { background: #d4520a; box-shadow: 0 0 10px rgba(212,82,10,.5);  border-radius: 3px; }
.eixo-dot--4 { background: #c4490a; box-shadow: 0 0 10px rgba(196,73,10,.5);  border-radius: 3px; }
.eixo-dot--5 { background: #f59e0b; box-shadow: 0 0 10px rgba(245,158,11,.5); border-radius: 3px; }
.eixo-tag--1 { background: rgba(255,107,26,.12); color: #ff6b1a; border-color: rgba(255,107,26,.2); }
.eixo-tag--2 { background: rgba(224,92,17,.12);  color: #e05c11; border-color: rgba(224,92,17,.2); }
.eixo-tag--3 { background: rgba(212,82,10,.12);  color: #d4520a; border-color: rgba(212,82,10,.2); }
.eixo-tag--4 { background: rgba(196,73,10,.12);  color: #c4490a; border-color: rgba(196,73,10,.2); }
.eixo-tag--5 { background: rgba(245,158,11,.12); color: #f59e0b; border-color: rgba(245,158,11,.2); }

/* ══════════════════════════════════════════════════════════════
   PALESTRANTES
══════════════════════════════════════════════════════════════ */
.palestrantes {
  padding: 6rem 0;
  background: var(--bg);
}
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.speaker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.speaker-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: var(--shadow-fire);
}
.speaker-card__img-wrap {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-2);
}
.speaker-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform .5s ease;
}
.speaker-card:hover .speaker-card__img { transform: scale(1.05); }
.speaker-card__img-wrap--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-card-h) 100%);
  border-bottom: 1px solid var(--border);
}
.speaker-card__img-wrap--placeholder svg {
  width: 72px; height: 72px;
  color: var(--text-muted);
  opacity: .5;
}
.speaker-card__body {
  padding: 1.25rem;
}
.speaker-card__name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--text);
  margin-bottom: .3rem;
}
.speaker-card__inst {
  font-size: .8rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .65rem;
}
.speaker-card__topic {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.55;
  border-top: 1px solid var(--border);
  padding-top: .75rem;
}

/* ══════════════════════════════════════════════════════════════
   PROGRAMAÇÃO
══════════════════════════════════════════════════════════════ */
.programacao {
  padding: 6rem 0;
  background: var(--bg-2);
}

/* tabs */
.tabs {
  display: flex;
  gap: .5rem;
  background: rgba(0,0,0,.3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem;
  width: fit-content;
  margin: 0 auto 3rem;
}
.tab {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6em 1.8em;
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: all var(--trans);
}
.tab svg { width: 15px; height: 15px; }
.tab:hover { color: var(--text-dim); }
.tab--active {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255,107,26,.35);
}
.tab-panel { display: block; }
.tab-panel[hidden] { display: none; }

/* timeline */
.timeline { position: relative; padding-left: 90px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 72px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--border) 10%, var(--border) 90%, transparent);
}
.timeline__item {
  position: relative;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}
.timeline__time {
  position: absolute;
  left: -90px;
  width: 65px;
  text-align: right;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--amber);
  padding-top: 1.1rem;
}
.timeline__dot {
  position: absolute;
  left: -22px;
  top: 1.15rem;
  width: 12px; height: 12px;
  border-radius: 3px;
  background: var(--fire);
  box-shadow: 0 0 10px var(--fire-glow);
  border: 2px solid var(--bg-2);
  flex-shrink: 0;
}
.timeline__dot--break  { background: var(--text-muted); box-shadow: none; }
.timeline__dot--special{ background: var(--grad); }
.timeline__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  flex: 1;
  transition: border-color var(--trans);
}
.timeline__card:hover { border-color: var(--border-h); }
.timeline__card--break {
  background: rgba(0,0,0,.2);
  border-color: transparent;
  opacity: .6;
}
.timeline__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .2em .75em;
  border-radius: 3px;
  background: var(--fire-dim);
  color: var(--fire);
  border: 1px solid var(--border);
  margin-bottom: .6rem;
}
.timeline__tag--mesa  { background: var(--amber-dim); color: var(--amber); border-color: rgba(245,158,11,.2); }
.timeline__tag--break { background: transparent; color: var(--text-muted); border-color: transparent; }
.timeline__tag--special { background: var(--grad); color: #fff; border: none; }
.timeline__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .4rem;
}
.timeline__speaker { font-size: .85rem; color: var(--fire); margin-bottom: .25rem; }
.timeline__mod { font-size: .8rem; color: var(--text-muted); font-style: italic; }
.timeline__list {
  margin: .5rem 0;
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.timeline__list li {
  font-size: .85rem;
  color: var(--text-dim);
  list-style: disc;
  list-style-position: outside;
  padding-left: .25rem;
}

/* ══════════════════════════════════════════════════════════════
   INSCRIÇÕES
══════════════════════════════════════════════════════════════ */
.inscricoes {
  padding: 5rem 0;
  background: var(--bg);
}
.inscricoes__inner {
  background: var(--grad-subtle);
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.inscricoes__title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: .04em;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.inscricoes__desc {
  color: var(--text-dim);
  margin-top: .5rem;
  max-width: 480px;
}
.btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; pointer-events: none; }

/* ══════════════════════════════════════════════════════════════
   PATROCINADORES
══════════════════════════════════════════════════════════════ */
.patrocinadores {
  padding: 5rem 0;
  background: var(--bg-2);
}
.sponsors-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.sponsor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--trans), transform var(--trans);
  min-width: 160px;
}
.sponsor-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-fire);
}
.sponsor-card__name {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text-dim);
}
.sponsor-card--add {
  border-style: dashed;
  opacity: .45;
}
.sponsor-card--add .sponsor-card__name {
  font-size: 1rem;
  letter-spacing: .06em;
  font-weight: 400;
}

/* ══════════════════════════════════════════════════════════════
   SUBMISSÃO BANNER
══════════════════════════════════════════════════════════════ */
.submissao-banner {
  padding: 3rem 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.submissao-banner__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--grad-subtle);
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  flex-wrap: wrap;
}
.submissao-banner__icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: var(--fire-dim);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fire);
}
.submissao-banner__text { flex: 1; min-width: 200px; }
.submissao-banner__title {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .35rem;
}
.submissao-banner__desc { color: var(--text-dim); font-size: .9rem; max-width: 480px; }

/* ══════════════════════════════════════════════════════════════
   PARCEIROS
══════════════════════════════════════════════════════════════ */
.parceiros {
  padding: 5rem 0;
  background: var(--bg);
}
.parceiros-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}
.parceiro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
  min-width: 180px;
  max-width: 260px;
}
.parceiro-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-fire);
}
.parceiro-card img {
  max-width: 200px;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.parceiro-card__name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text-dim);
  text-align: center;
}

/* ══════════════════════════════════════════════════════════════
   FACILIDADES
══════════════════════════════════════════════════════════════ */
.facilidades {
  padding: 5rem 0;
  background: var(--bg-2);
}
.facilidades__bloco {
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
}
.facilidades__bloco-header {
  background: var(--cyan);
  color: #fff;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-align: center;
  padding: .85rem 1.5rem;
}
.facilidades__bloco-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--bg-card);
}
.facilidades__mapa {
  border-right: 1px solid var(--border);
}
.facilidades__mapa img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.facilidades__lista {
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.facilidades__lista p {
  font-size: .92rem;
  color: var(--text);
  line-height: 1.65;
}
.facilidades__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
  margin-right: .3rem;
  vertical-align: middle;
}
.facilidades__num--1 { background: #e53935; }
.facilidades__num--2 { background: #e53935; }
.facilidades__num--3 { background: #e53935; }
.facilidades__num--4 { background: #e53935; }
.facilidades__num--5 { background: #e53935; }

/* ══════════════════════════════════════════════════════════════
   CONTATO
══════════════════════════════════════════════════════════════ */
.contato {
  padding: 5rem 0;
  background: var(--bg);
}
.contato__email-link {
  color: var(--cyan);
  font-weight: 600;
  text-decoration: underline;
  transition: color var(--trans);
}
.contato__email-link:hover { color: var(--fire); }
.contato__form-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
}
.contato__field {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: 1.4rem;
}
.contato__label {
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.contato__input,
.contato__textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  font-size: .95rem;
  color: var(--text);
  font-family: var(--font-body);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.contato__input:focus,
.contato__textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, .15);
}
.contato__textarea { resize: vertical; min-height: 130px; }
.contato__btn {
  width: 100%;
  margin-top: .5rem;
  justify-content: center;
}

/* ══════════════════════════════════════════════════════════════
   MODAL — MINI-CURRÍCULO
══════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
  width: min(640px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(.97);
  transition: transform .3s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--border-h) transparent;
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}
.modal__header {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.75rem 1.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}
.modal__photo {
  width: 80px; height: 80px;
  border-radius: 10px;
  object-fit: cover;
  object-position: top;
  flex-shrink: 0;
  border: 2px solid var(--border-h);
}
.modal__photo--placeholder,
.modal__photo-placeholder {
  width: 80px; height: 80px;
  border-radius: 10px;
  background: var(--bg-2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.modal__photo--placeholder svg,
.modal__photo-placeholder svg {
  width: 36px; height: 36px;
  color: var(--text-muted);
}
.modal__meta { flex: 1; min-width: 0; }
.modal__name {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: .35rem;
}
.modal__inst {
  font-size: .8rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .5rem;
}
.modal__topic {
  font-size: .85rem;
  color: var(--text-dim);
  font-style: italic;
  line-height: 1.4;
}
.modal__close {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: background var(--trans), color var(--trans);
  cursor: pointer;
}
.modal__close:hover { background: var(--fire-dim); color: var(--fire); border-color: var(--border-h); }
.modal__close svg { width: 18px; height: 18px; }
.modal__body {
  padding: 1.5rem 1.75rem 1.75rem;
}
.modal__section-title {
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fire);
  margin-bottom: .75rem;
  margin-top: 1.25rem;
}
.modal__section-title:first-child { margin-top: 0; }
.modal__bio {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.75;
}
.modal__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.modal__list li {
  font-size: .88rem;
  color: var(--text-dim);
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}
.modal__list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--fire);
  font-size: .7rem;
  top: .15em;
}

/* cursor pointer nos cards */
.speaker-card { cursor: pointer; }

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
.footer {
  background: #080604;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__logo {
  height: 48px;
  width: auto;
  margin-bottom: 1rem;
  filter: brightness(1.15);
}
.footer__tagline {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text);
  margin-bottom: .5rem;
}
.footer__desc {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer__nav-title {
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fire);
  margin-bottom: 1.25rem;
}
.footer__nav ul { display: flex; flex-direction: row; flex-wrap: wrap; gap: .5rem 1.5rem; }
.footer__nav a {
  font-size: .9rem;
  color: var(--text-muted);
  transition: color var(--trans);
}
.footer__nav a:hover { color: var(--cyan); }
.footer__contact p { font-size: .85rem; color: var(--text-muted); margin-bottom: .75rem; }
.footer__email {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--fire);
  transition: color var(--trans);
}
.footer__email:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
  font-size: .8rem;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .sobre__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .eixos-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

@media (max-width: 700px) {
  :root { --nav-h: 56px; }
  .navbar__nav {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(14,9,3,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform var(--trans);
    z-index: 999;
  }
  .navbar__nav.open { transform: translateY(0); }
  .navbar__hamburger { display: flex; }
  .navbar__link::after { display: none; }
  .navbar__dropdown { width: 100%; }
  .navbar__dropdown-trigger { width: 100%; justify-content: space-between; }
  .navbar__dropdown-menu {
    position: static;
    transform: none !important;
    left: auto;
    min-width: unset;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--border-h);
    border-radius: 0;
    margin-left: 1rem;
    padding: .25rem 0;
    background: transparent;
  }
  .navbar__dropdown-menu.open { opacity: 1; visibility: visible; }

  .hero__title { letter-spacing: 0; }
  .hero__subtitle { font-size: clamp(1rem, 4vw, 1.3rem); }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 320px; text-align: center; justify-content: center; }
  .countdown { padding: .75rem 1rem; gap: .75rem; }
  .countdown__item { min-width: 52px; }
  .countdown__num { font-size: 2rem; }

  .timeline { padding-left: 70px; }
  .timeline::before { left: 53px; }
  .timeline__time { left: -70px; width: 48px; font-size: .72rem; }
  .timeline__list li { font-size: .82rem; }

  .speakers-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
  .speaker-card__img-wrap { height: 180px; }

  .eixos-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .eixo-card { padding: 1.25rem 1rem; }

  .modal { border-radius: 0; width: 100%; max-height: 100vh; margin: 0; align-self: flex-end; border-left: none; border-right: none; border-bottom: none; }
  .modal-overlay { align-items: flex-end; }
  .modal__header { padding: 1.25rem; gap: 1rem; }
  .modal__photo, .modal__photo-placeholder, .modal__photo--placeholder { width: 60px; height: 60px; }
  .modal__name { font-size: 1.15rem; }
  .modal__body { padding: 1rem 1.25rem 1.5rem; }

  .inscricoes__inner { flex-direction: column; text-align: center; padding: 2rem; }
  .submissao-banner__inner { flex-direction: column; text-align: center; padding: 1.75rem; }
  .submissao-banner__desc { max-width: 100%; }

  .facilidades__bloco-body { grid-template-columns: 1fr; }
  .facilidades__mapa { border-right: none; border-bottom: 1px solid var(--border); }
  .facilidades__mapa img { height: auto; object-fit: contain; }

  .contato__form-wrap { padding: 1.75rem 1.5rem; }

  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer { padding: 3rem 0 1.5rem; }
}

@media (max-width: 480px) {
  .sponsors-grid { flex-direction: column; align-items: center; }
  .sponsor-card { width: 100%; max-width: 280px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 280px; text-align: center; }

  .tabs { width: 100%; justify-content: stretch; }
  .tab { flex: 1; justify-content: center; font-size: .8rem; padding: .6rem .5rem; }
  .tab svg { display: none; }

  .timeline { padding-left: 58px; }
  .timeline::before { left: 43px; }
  .timeline__time { left: -58px; width: 38px; font-size: .68rem; }
  .timeline__card { padding: .9rem 1rem; }
  .timeline__title { font-size: .95rem; }

  .speakers-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .speaker-card__img-wrap { height: 150px; }
  .speaker-card__name { font-size: .85rem; }
  .speaker-card__topic { font-size: .72rem; }

  .eixos-grid { grid-template-columns: 1fr; }

  .countdown { gap: .5rem; }
  .countdown__item { min-width: 46px; padding: .5rem .4rem; }
  .countdown__num { font-size: 1.6rem; }
  .countdown__label { font-size: .55rem; }

  .section-title { font-size: clamp(1.6rem, 6vw, 2.2rem); }
}