/* ============== SOBRE ============== */
.section-about { background: var(--cream); }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 72px; align-items: center; }
.about-title { max-width: 760px; margin: 18px 0 26px; font-size: clamp(42px, 4.6vw, 66px); font-weight: 400; }
.about-title em { color: var(--gold-deep); font-style: italic; }
.about-copy { max-width: 780px; font-size: 17px; opacity: .88; }
.about-copy p + p { margin-top: 18px; }
.about-copy strong { color: var(--wine); }
.about-stats { display: grid; grid-template-columns: repeat(3, minmax(100px, 1fr)); gap: 22px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--gold); }
.stat-value { color: var(--wine); font: 500 46px/1 var(--font-display); }
.stat-label { margin-top: 6px; opacity: .65; font: 9px var(--font-caps); letter-spacing: .2em; text-transform: uppercase; }
.about-visual { display: flex; justify-content: center; }
.about-visual img { width: min(100%, 430px); aspect-ratio: 1; object-fit: contain; filter: drop-shadow(0 28px 55px rgba(107,26,46,.25)); }

/* ============== EIXOS TEMÁTICOS ============== */
.section-ai { background: var(--wine-deep); color: var(--cream); }
.section-ai .section-title { color: var(--cream); }
.section-ai .section-title em { color: var(--gold-light); }
.section-ai .section-eyebrow { color: var(--gold-light); }
.section-ai .container > svg { display: block; margin: 0 auto; }
.ai-layout { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 28px; max-width: 1040px; margin: 42px auto 0; }
.ai-topics { display: grid; gap: 10px; }
.ai-topic { min-height: 72px; display: grid; grid-template-columns: 76px 1fr; align-items: center; gap: 16px; padding: 15px 20px; border: 1px solid rgba(201,164,73,.55); background: transparent; color: var(--cream); cursor: pointer; text-align: left; font: 500 20px var(--font-display); transition: background .2s, border-color .2s, transform .2s; }
.ai-topic:hover { transform: translateX(3px); border-color: var(--gold-light); }
.ai-topic.active { background: var(--cream); color: var(--wine-deep); border-color: var(--gold-light); }
.ai-topic-tag { color: var(--gold-light); font: 9px var(--font-caps); letter-spacing: .16em; text-transform: uppercase; }
.ai-topic.active .ai-topic-tag { color: var(--gold-deep); }
.ai-detail { min-height: 320px; display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 26px; padding: 42px; border: 1px solid var(--gold); background: rgba(251,246,235,.07); }
.ai-detail-mark { width: 116px; height: 116px; display: grid; place-items: center; border: 1px solid var(--gold-light); border-radius: 50%; color: var(--gold-light); font: 54px var(--font-display); }
.ai-detail h3 { margin: 12px 0; color: var(--cream); font-size: clamp(32px, 3.2vw, 48px); }
.ai-detail p { opacity: .82; }
.ai-note { margin-top: 18px; color: var(--gold-light); font-size: 14px; }

/* ============== PALESTRANTES ============== */
.section-speakers { background: linear-gradient(180deg, var(--cream), var(--cream-deep)); }
.section-speakers .container > svg, .section-schedule .container > svg, .section-faq .container > svg, .section-sponsors .container > svg { display: block; margin: 0 auto; }
.section-intro { margin: 24px auto 0; max-width: 620px; text-align: center; opacity: .75; }
.speakers-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; width: 100%; max-width: 1280px; margin: 42px auto 0; align-items: stretch; }
.speaker-card { overflow: hidden; flex: 1 1 210px; max-width: 240px; min-width: 0; display: flex; flex-direction: column; background: var(--cream); border: 1px solid var(--gold); border-radius: 4px; box-shadow: 0 14px 34px rgba(74,14,31,.08); transition: transform .25s, box-shadow .25s; }
.speaker-card.has-profile:hover { transform: translateY(-5px); box-shadow: 0 22px 42px rgba(74,14,31,.14); }
.speaker-photo-wrap { aspect-ratio: 4 / 5; overflow: hidden; background: var(--cream-deep); border-bottom: 1px solid var(--gold); }
.speaker-photo { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .35s ease; }
.speaker-card:hover .speaker-photo { transform: scale(1.025); }
.speaker-name { min-height: 86px; flex: 1; padding: 18px 14px 14px; display: flex; align-items: center; justify-content: center; text-align: center; font-size: clamp(21px, 1.65vw, 28px); }
.speaker-profile-button { min-height: 46px; margin: 0 14px 16px; padding: 10px 13px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 1px solid var(--gold); border-radius: 2px; background: transparent; color: var(--wine); cursor: pointer; font: 600 9px var(--font-caps); letter-spacing: .15em; text-transform: uppercase; transition: background .2s, color .2s, transform .2s; }
.speaker-profile-button:hover { background: var(--wine); color: var(--cream); transform: translateY(-2px); }
.speaker-profile-button span:last-child { color: var(--gold-deep); font: 24px/1 var(--font-display); }
.speaker-profile-button:hover span:last-child { color: var(--gold-light); }
.speaker-modal-backdrop { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 24px; overflow-y: auto; background: rgba(43,20,25,.78); backdrop-filter: blur(8px); animation: modal-fade-in .2s ease-out; }
.speaker-modal { position: relative; width: min(100%, 860px); max-height: calc(100vh - 48px); display: grid; grid-template-columns: minmax(240px, 320px) 1fr; overflow: auto; border: 1px solid var(--gold-light); border-radius: 5px; background: var(--cream); box-shadow: 0 32px 80px rgba(0,0,0,.38); animation: modal-rise-in .28s ease-out; }
.speaker-modal-close { position: absolute; top: 14px; right: 14px; z-index: 2; width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; background: rgba(251,246,235,.96); color: var(--wine); cursor: pointer; font: 32px/1 var(--font-display); transition: background .2s, color .2s, transform .2s; }
.speaker-modal-close:hover { background: var(--wine); color: var(--cream); transform: rotate(6deg); }
.speaker-modal-photo-wrap { min-height: 430px; overflow: hidden; background: var(--cream-deep); }
.speaker-modal-photo-wrap img { width: 100%; height: 100%; display: block; object-fit: cover; }
.speaker-modal-content { align-self: center; padding: 56px 54px; }
.speaker-modal-content h2 { margin: 18px 0 24px; font-size: clamp(38px, 4.2vw, 58px); }
.speaker-modal-content h2.speaker-modal-title-compact { font-size: clamp(36px, 3.5vw, 48px); }
.speaker-modal-description { padding-top: 22px; border-top: 1px solid var(--gold); font-size: 18px; }
.speaker-modal-description p + p { margin-top: 14px; }
@keyframes modal-fade-in { from { opacity: 0; } }
@keyframes modal-rise-in { from { opacity: 0; transform: translateY(18px) scale(.98); } }
.section-action { margin-top: 42px; text-align: center; }

/* ============== PROGRAMAÇÃO ============== */
.section-schedule { background: var(--cream); }
.sch-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 980px; margin: 42px auto 28px; }
.sch-tab { min-height: 70px; padding: 16px 18px; border: 1px solid var(--gold); border-radius: 3px; background: transparent; color: var(--wine-deep); cursor: pointer; font: inherit; transition: background .2s, color .2s, transform .2s; }
.sch-tab:hover { transform: translateY(-2px); }
.sch-tab.active { background: var(--wine); color: var(--cream); box-shadow: 0 10px 24px rgba(74,14,31,.16); }
.sch-tab-label { font: 10px var(--font-caps); letter-spacing: .16em; text-transform: uppercase; }
.schedule-empty { max-width: 760px; min-height: 300px; margin: 0 auto; padding: 50px 32px; display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; border: 1px solid var(--gold); background: var(--cream-deep); }
.schedule-empty-mark { width: 70px; height: 70px; display: grid; place-items: center; margin-bottom: 18px; border: 2px solid var(--gold); border-radius: 50%; color: var(--gold-deep); font: 32px var(--font-display); }
.schedule-empty h3 { font-size: 38px; }
.schedule-empty p { max-width: 520px; margin: 12px auto 24px; opacity: .75; }

/* ============== INSCRIÇÕES ============== */
.section-register { overflow: hidden; background: var(--wine-deep); color: var(--cream); }
.register-bg { position: absolute; bottom: 0; left: 50%; z-index: 1; transform: translateX(-50%); pointer-events: none; }
.register-inner { position: relative; z-index: 2; text-align: center; }
.section-eyebrow.light { color: var(--gold-light); }
.register-title { margin: 15px 0 26px; color: var(--cream); font-size: clamp(46px, 5.5vw, 72px); font-weight: 400; }
.register-title em { color: var(--gold-light); font-style: italic; }
.participation-modes { max-width: 920px; margin: 0 auto 42px; padding: 26px 30px; border: 1px solid rgba(201,164,73,.65); background: rgba(251,246,235,.07); text-align: left; }
.participation-modes h3 { margin-bottom: 8px; color: inherit; font-size: 28px; }
.participation-modes p { opacity: .84; }
.ticket-mode-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; max-width: 960px; margin: 0 auto; }
.ticket-mode-card { position: relative; overflow: hidden; min-height: 360px; padding: 38px 34px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid var(--gold); border-radius: 6px; text-align: center; box-shadow: 0 20px 46px rgba(43,20,25,.16); transition: transform .25s, box-shadow .25s; isolation: isolate; }
.ticket-mode-card::before { content: ''; position: absolute; z-index: -1; width: 230px; height: 230px; right: -120px; top: -125px; border: 1px solid currentColor; border-radius: 50%; opacity: .09; box-shadow: 0 0 0 28px currentColor, 0 0 0 56px currentColor; }
.ticket-mode-card:hover { box-shadow: 0 28px 58px rgba(43,20,25,.23); }
.ticket-mode-presencial { background: linear-gradient(145deg, #fffaf0, var(--cream-deep)); color: var(--wine-deep); }
.ticket-mode-presencial.is-attention { animation: ticket-card-glow 1.05s ease-out; }
.ticket-mode-online { background: linear-gradient(145deg, var(--wine), var(--wine-deep)); color: var(--cream); border-color: var(--gold-light); }
.ticket-promo-ribbon { position: absolute; top: 29px; left: -58px; z-index: 2; width: 220px; padding: 10px 12px; overflow: hidden; transform: rotate(-38deg); border-block: 2px solid var(--gold-light); background: linear-gradient(90deg, #5f1028, var(--wine), #8a1e40); color: var(--cream); box-shadow: 0 7px 20px rgba(74,14,31,.32); font: 700 9px var(--font-caps); letter-spacing: .16em; text-shadow: 0 1px 4px rgba(0,0,0,.3); text-transform: uppercase; white-space: nowrap; animation: promo-ribbon-attention 2.4s ease-in-out infinite; }
.ticket-promo-ribbon::after { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,.68) 48%, transparent 70%); transform: translateX(-140%); animation: promo-ribbon-shine 2.4s ease-in-out infinite; }
@keyframes promo-ribbon-attention { 50% { box-shadow: 0 9px 26px rgba(112,20,49,.5); filter: saturate(1.18) brightness(1.06); } }
@keyframes promo-ribbon-shine { 55%, 100% { transform: translateX(140%); } }
@keyframes ticket-card-glow {
  0%, 100% { box-shadow: 0 20px 46px rgba(43,20,25,.16); }
  28% { box-shadow: 0 0 0 4px rgba(230,201,135,.7), 0 0 28px 10px rgba(230,201,135,.48), 0 0 76px 28px rgba(201,164,73,.3), 0 24px 52px rgba(74,14,31,.2); }
  58% { box-shadow: 0 0 0 8px rgba(230,201,135,.18), 0 0 48px 18px rgba(201,164,73,.2), 0 24px 52px rgba(74,14,31,.18); }
}
.ticket-mode-icon { width: 76px; height: 76px; display: grid; place-items: center; margin-bottom: 20px; border: 1px solid currentColor; border-radius: 50%; color: var(--gold-deep); background: rgba(255,255,255,.35); }
.ticket-mode-online .ticket-mode-icon { color: var(--gold-light); background: rgba(251,246,235,.07); }
.ticket-mode-icon svg { width: 44px; height: 44px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ticket-mode-label { color: var(--gold-deep); font: 9px var(--font-caps); letter-spacing: .24em; text-transform: uppercase; }
.ticket-mode-online .ticket-mode-label { color: var(--gold-light); }
.ticket-mode-name { min-height: 110px; margin: 9px 0 20px; display: flex; align-items: center; justify-content: center; color: inherit; font-size: clamp(40px, 4.5vw, 58px); font-weight: 500; }
.ticket-mode-name.is-compact { max-width: 410px; font-size: clamp(32px, 3.6vw, 46px); line-height: 1.05; }
.ticket-mode-price { min-height: 45px; display: flex; align-items: center; justify-content: center; color: inherit; font: 600 31px/1.2 var(--font-sans); font-variant-numeric: lining-nums tabular-nums; }
.ticket-mode-button { width: min(100%, 300px); margin-top: 30px; }
.ticket-mode-presencial .ticket-mode-button:disabled { background: var(--wine); border-color: var(--gold); color: var(--cream); opacity: .66; }
.ticket-mode-online .ticket-mode-button:disabled { background: var(--cream); border-color: var(--gold-light); color: var(--wine-deep); opacity: .72; }

.registration-page, .submission-page { padding: 78px 40px 110px; background: var(--cream); }
.registration-page .participation-modes { color: var(--ink); background: var(--cream-deep); border-color: var(--gold); }
.ticket-mode-grid-light { margin-top: 44px; }

/* ============== FAQ ============== */
.section-faq { background: linear-gradient(180deg, var(--cream-deep), var(--cream)); }
.faq-list { max-width: 900px; margin: 42px auto 0; }
.faq-item { border-bottom: 1px solid var(--gold); }
.faq-q { width: 100%; min-height: 76px; display: grid; grid-template-columns: 56px 1fr 42px; align-items: center; gap: 14px; padding: 18px 0; border: 0; background: transparent; color: var(--wine-deep); cursor: pointer; text-align: left; }
.faq-num { color: var(--gold-deep); font: 11px var(--font-caps); letter-spacing: .18em; }
.faq-text { font: 500 23px var(--font-display); }
.faq-icon { color: var(--gold-deep); font-size: 28px; text-align: right; }
.faq-a-inner { padding: 0 42px 28px 70px; line-height: 1.75; opacity: .82; }
.faq-a-inner a { color: var(--wine); font-weight: 600; }

/* ============== GALERIA ============== */
.section-gallery { background: var(--cream-deep); }
.section-gallery .container > svg { display: block; margin: 0 auto; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 42px; }
.gallery-item { overflow: hidden; border: 1px solid var(--gold); background: var(--cream); box-shadow: 0 14px 34px rgba(74,14,31,.08); }
.gallery-item img { width: 100%; aspect-ratio: 4 / 3; display: block; object-fit: cover; transition: transform .35s ease; }
.gallery-item:hover img { transform: scale(1.025); }

/* ============== PATROCINADORES ============== */
.section-sponsors { overflow: hidden; background: radial-gradient(circle at 50% 0, rgba(230,201,135,.3), transparent 34%), linear-gradient(180deg, var(--cream), var(--cream-deep)); }
.section-sponsors::before, .section-sponsors::after { content: ''; position: absolute; width: 280px; height: 280px; border: 1px solid rgba(201,164,73,.24); transform: rotate(45deg); pointer-events: none; }
.section-sponsors::before { top: -185px; left: -115px; }
.section-sponsors::after { right: -115px; bottom: -185px; }
.sponsor-marquee { position: relative; z-index: 1; width: 100%; margin-top: 54px; padding: 24px 0; overflow: hidden; border-block: 1px solid rgba(201,164,73,.62); background: rgba(251,246,235,.62); outline-offset: 5px; }
.sponsor-marquee::before, .sponsor-marquee::after { content: ''; position: absolute; inset-block: 0; z-index: 2; width: min(9vw, 120px); pointer-events: none; }
.sponsor-marquee::before { left: 0; background: linear-gradient(90deg, var(--cream-deep), transparent); }
.sponsor-marquee::after { right: 0; background: linear-gradient(-90deg, var(--cream-deep), transparent); }
.sponsor-track { width: max-content; display: flex; animation: sponsor-loop 30s linear infinite; will-change: transform; }
.sponsor-logo-set { flex: 0 0 auto; display: flex; gap: 24px; padding-right: 24px; }
.sponsor-logo-card { width: clamp(190px, 19vw, 270px); height: 132px; flex: 0 0 auto; overflow: hidden; display: grid; place-items: center; padding: 13px 20px; border: 1px solid rgba(201,164,73,.58); border-radius: 4px; background: rgba(255,255,255,.74); box-shadow: inset 0 0 0 5px rgba(201,164,73,.05), 0 12px 28px rgba(74,14,31,.08); }
.sponsor-logo-card img { width: 100%; height: 100%; max-width: 100%; max-height: 100%; display: block; object-fit: contain; object-position: center; }
.sponsor-marquee:hover .sponsor-track, .sponsor-marquee:focus .sponsor-track, .sponsor-marquee:focus-within .sponsor-track { animation-play-state: paused; }
@keyframes sponsor-loop { to { transform: translateX(-50%); } }

/* ============== SUBMISSÃO ============== */
.submission-container { max-width: 1040px; }
.submission-intro { padding: 36px 42px; border-left: 4px solid var(--gold); background: var(--cream-deep); font-size: 18px; }
.submission-intro p + p { margin-top: 18px; }
.submission-actions { margin-top: 42px; border-top: 1px solid var(--gold); }
.submission-card { display: grid; grid-template-columns: 70px 1fr; gap: 24px; padding: 34px 12px; border-bottom: 1px solid var(--gold); }
.submission-number { padding-top: 7px; color: var(--gold-deep); font: 12px var(--font-caps); letter-spacing: .2em; }
.submission-card h2 { margin-bottom: 8px; font-size: 36px; }
.submission-card p { margin-bottom: 18px; opacity: .76; }
.submission-email { display: block; width: fit-content; margin: -4px 0 20px; color: var(--wine); font-weight: 600; overflow-wrap: anywhere; }

@media (max-width: 1050px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .about-visual img { width: min(48vw, 330px); }
  .speakers-grid { max-width: 760px; }
  .speaker-card { flex: 0 1 calc((100% - 40px) / 3); max-width: 240px; }
  .ai-layout { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .speaker-card { flex-basis: calc((100% - 20px) / 2); max-width: 370px; }
  .sch-tabs, .ticket-mode-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; max-width: 640px; margin-inline: auto; }
  .participation-modes { padding: 22px; }
  .registration-page, .submission-page { padding: 64px 24px 90px; }
}

@media (max-width: 560px) {
  .about-grid { gap: 38px; }
  .about-title { font-size: 42px; }
  .about-copy { font-size: 16px; }
  .about-stats { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .stat-value { font-size: 36px; }
  .speakers-grid { max-width: 370px; margin-inline: auto; }
  .speaker-card { flex-basis: 100%; max-width: 370px; }
  .speaker-name { min-height: 74px; }
  .speaker-modal-backdrop { align-items: flex-start; padding: 8px; overflow: hidden; }
  .speaker-modal {
    max-height: calc(100vh - 16px);
    max-height: calc(100dvh - 16px);
    grid-template-columns: 1fr;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  .speaker-modal-photo-wrap {
    min-height: 190px;
    height: clamp(190px, 32dvh, 260px);
    max-height: none;
    aspect-ratio: auto;
  }
  .speaker-modal-close { top: 10px; right: 10px; width: 42px; height: 42px; }
  .speaker-modal-content { align-self: stretch; padding: 28px 22px 34px; }
  .speaker-modal-content h2 { margin: 14px 0 20px; font-size: clamp(34px, 11vw, 44px); }
  .speaker-modal-content h2.speaker-modal-title-compact { font-size: clamp(30px, 9vw, 36px); }
  .speaker-modal-description { padding-top: 18px; font-size: 15.5px; line-height: 1.55; }
  .speaker-modal-description p + p { margin-top: 12px; }
  .ticket-mode-card { min-height: 330px; padding: 34px 24px; }
  .ai-topic { grid-template-columns: 64px 1fr; font-size: 18px; }
  .ai-detail { min-height: 0; grid-template-columns: 1fr; padding: 30px 24px; }
  .ai-detail-mark { width: 86px; height: 86px; font-size: 40px; }
  .sch-tab { min-height: 60px; }
  .schedule-empty { min-height: 280px; padding: 40px 20px; }
  .schedule-empty h3 { font-size: 32px; }
  .participation-modes h3 { font-size: 25px; }
  .faq-q { grid-template-columns: 40px 1fr 30px; }
  .faq-text { font-size: 20px; }
  .faq-a-inner { padding: 0 8px 24px 40px; }
  .submission-intro { padding: 26px 22px; font-size: 16px; }
  .submission-card { grid-template-columns: 1fr; gap: 8px; padding: 28px 4px; }
  .submission-card h2 { font-size: 31px; }
  .submission-card .btn { width: 100%; }
  .registration-page, .submission-page { padding-inline: 18px; }
}

@media (max-width: 380px) {
  .speaker-modal-photo-wrap { min-height: 170px; height: 29dvh; }
  .speaker-modal-content { padding: 24px 18px 30px; }
  .speaker-modal-content h2 { font-size: 32px; }
  .speaker-modal-content h2.speaker-modal-title-compact { font-size: 30px; }
  .speaker-modal-description { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .sponsor-marquee { overflow-x: auto; }
  .sponsor-track { animation: none; }
  .sponsor-logo-set[aria-hidden="true"] { display: none; }
  .ticket-mode-card, .speaker-card, .speaker-photo { transition: none; }
  .ticket-promo-ribbon, .ticket-promo-ribbon::after, .ticket-mode-presencial.is-attention { animation: none; }
}