/* ============================================================
   PM3 SUMMIT — Lead with AI
   Tokens extraídos do site atual (pm3summit.com.br)
   ============================================================ */

/* ------------------------------------------------------------
   Inter Tight — fonte oficial da marca, auto-hospedada.
   Arquivos vindos de KV PM3 - 2025 / FONTES / INTER.
   Só os 3 pesos usados no layout (400 / 600 / 700), sem itálico,
   em WOFF2 com subset latin (ver README).
   ------------------------------------------------------------ */
@font-face{
  font-family:"Inter Tight";
  src:url("../fonts/InterTight-Regular.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Inter Tight";
  src:url("../fonts/InterTight-SemiBold.woff2") format("woff2");
  font-weight:600; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Inter Tight";
  src:url("../fonts/InterTight-Bold.woff2") format("woff2");
  font-weight:700; font-style:normal; font-display:swap;
}

:root{
  /* cores */
  --bg:            #040307;
  --ink:           #F2F0F8;
  --ink-80:        rgba(242,240,248,.8);
  --white:         #FFFFFF;
  --white-88:      rgba(255,255,255,.88);

  --purple-900:    #1F153B;
  --purple-800:    #2A1C4A;
  --purple-700:    #452E78;
  --purple-600:    #5F3FA5;
  --purple-500:    #8157DB;
  --purple-400:    #9A79E2;
  --lilac:         #AC88FB;

  --yellow:        #FFB12A;
  --pink:          #FCCBC9;
  --magenta:       #B04DDD;

  --grad-brand:    linear-gradient(90deg, #B04DDD 0%, #FCCBC9 100%);
  --grad-brand-24: linear-gradient(90deg, rgba(176,77,221,.24) 0%, rgba(252,203,201,.24) 100%);
  --grad-strip:    linear-gradient(270deg, #2A1C4A 0%, #452E78 100%);
  --grad-card:     linear-gradient(180deg, #1F153B 0%, #44366B 100%);
  --grad-foot:     linear-gradient(180deg, #040307 0%, #281E47 100%);

  /* tipografia — tudo em Inter Tight, a fonte oficial.
     Os 3 papéis continuam separados: se um dia quiser voltar ao mix do
     site atual (Inter no hero, Rubik no corpo), é só trocar aqui. */
  --f-display: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-hero:    "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body:    "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* layout */
  --container: 1280px;
  --header-h: 97px;
  --radius: 16px;
  --radius-lg: 24px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:calc(var(--header-h) + 16px); }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:18px;
  line-height:1.4;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }

.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:32px;
}

.sr-only,.skip{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip:focus{
  position:fixed; top:12px; left:12px; z-index:999; width:auto; height:auto;
  clip:auto; padding:12px 20px; background:var(--yellow); color:#040307;
  border-radius:999px; font-weight:700;
}

/* ---------- foco visível (teclado) ---------- */
:focus-visible{ outline:3px solid var(--yellow); outline-offset:3px; border-radius:4px; }
.networking :focus-visible{ outline-color:var(--purple-600); } /* seção clara */
main:focus{ outline:none; } /* alvo do skip link, não é um controle */

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--header-h);
  display:flex; align-items:center;
  transition:background .3s ease, backdrop-filter .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(4,3,7,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:rgba(154,121,226,.24);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:32px; }

.logo img{ width:250px; height:50px; object-fit:contain; }

.nav{ display:flex; align-items:center; gap:32px; }
.nav a{
  font-family:var(--f-body);
  font-size:18px; font-weight:400; line-height:1.2;
  color:var(--white); opacity:.9;
  position:relative; padding:6px 0;
  transition:opacity .2s ease;
}
.nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--grad-brand); transition:right .25s ease;
}
.nav a:hover{ opacity:1; }
.nav a:hover::after{ right:0; }

.burger{
  display:none; width:44px; height:44px; border:0; background:transparent;
  cursor:pointer; padding:10px; gap:5px; flex-direction:column; justify-content:center;
}
.burger span{ display:block; height:2px; background:var(--white); border-radius:2px; transition:transform .25s ease, opacity .2s ease; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   BOTÕES
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--f-display); font-size:20px; font-weight:700; line-height:1.5;
  padding:16px 32px; border-radius:999px; border:2px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-align:center;
}
.btn-yellow{ background:var(--yellow); color:#040307; }
.btn-yellow:hover{ transform:translateY(-2px); box-shadow:0 12px 32px rgba(255,177,42,.32); }

.btn-dark{ background:#040307; color:var(--yellow); }
.btn-dark:hover{ transform:translateY(-2px); box-shadow:0 12px 32px rgba(4,3,7,.28); }

.btn-outline-yellow{ background:transparent; color:var(--yellow); border-color:var(--yellow); }
.btn-outline-yellow:hover{ background:var(--yellow); color:#040307; transform:translateY(-2px); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:864px;
  padding-top:var(--header-h);
  display:flex; align-items:center;
  overflow:hidden;
}
.hero-media{ position:absolute; inset:0; z-index:0; background:var(--bg); }
.hero-vignette{
  position:absolute; inset:0;
  background:
    radial-gradient(75% 75% at 78.5% 6.7%, rgba(69,46,120,.28) 1.2%, rgba(4,3,7,0) 100%),
    radial-gradient(120% 90% at 50% 100%, rgba(4,3,7,.95) 40%, rgba(4,3,7,0) 100%);
}
.hero-inner{ position:relative; z-index:1; padding-block:80px; }

.hero-kicker{
  margin:0;
  font-family:var(--f-hero); font-size:32px; font-weight:600;
  text-transform:uppercase; letter-spacing:.01em; color:var(--white);
}
.hero-sub{
  margin:4px 0 0;
  font-family:var(--f-body); font-size:24px; font-weight:400;
  background:var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent;
  width:max-content;
}

.pills{ display:flex; flex-wrap:wrap; gap:16px; margin-top:24px; }
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 20px; border-radius:999px;
  background:var(--grad-brand-24);
  border:1px solid rgba(252,203,201,.28);
  font-family:var(--f-body); font-size:18px; font-weight:700; color:var(--white);
}
.pill svg{ width:20px; height:20px; fill:none; stroke:var(--pink); stroke-width:1.7; }

.hero-title{
  margin:40px 0 0; max-width:1193px;
  font-family:var(--f-hero); font-size:56px; font-weight:600; line-height:1.1;
  color:var(--white); letter-spacing:-.01em;
}

.hero-bottom{
  margin-top:48px;
  display:flex; align-items:flex-end; justify-content:space-between; gap:48px; flex-wrap:wrap;
}
.hero-lead{
  margin:0; max-width:520px;
  font-family:var(--f-body); font-size:18px; line-height:1.4; color:var(--white-88);
}

/* ============================================================
   FAIXA ANIMADA
   ============================================================ */
.marquee-strip{
  height:118px; display:flex; align-items:center; overflow:hidden;
  background:var(--grad-strip);
}
.marquee-track{
  display:flex; align-items:center; width:max-content; white-space:nowrap;
  animation:marquee 32s linear infinite; will-change:transform;
}
.mq-item{
  font-family:var(--f-display); font-size:24px; font-weight:400;
  text-transform:uppercase; letter-spacing:.24em; color:var(--ink);
}
/* o espaçamento é margem (não gap) para que as duas metades do track tenham
   largura idêntica e o translateX(-50%) feche o loop sem salto */
.mq-item,.mq-dot{ margin-inline:16px; }
.mq-dot{ width:7px; height:7px; border-radius:50%; background:var(--yellow); flex:none; }
@keyframes marquee{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ============================================================
   SEÇÕES BASE
   ============================================================ */
.section{ padding-block:120px; position:relative; }
.center{ display:flex; justify-content:center; }
.center-txt{ text-align:center; }

.eyebrow{
  margin:0 0 16px;
  font-family:var(--f-body); font-size:24px; font-weight:400; line-height:1.1;
  text-transform:uppercase; color:var(--purple-600); letter-spacing:.01em;
}
.eyebrow-light{ color:var(--purple-500); text-transform:uppercase; }

.h2{
  margin:0 0 32px;
  font-family:var(--f-display); font-size:48px; font-weight:600; line-height:1.1;
  color:var(--ink); letter-spacing:-.01em;
}
.h2-xl{ font-size:64px; }
.h2.white{ color:var(--white); }
.h2.dark{ color:var(--bg); }

.h3{
  margin:0 0 20px;
  font-family:var(--f-display); font-size:32px; font-weight:700; line-height:1.1;
  color:var(--ink);
}

.body{
  margin:0 0 20px;
  font-family:var(--f-body); font-size:20px; font-weight:400; line-height:1.5;
  color:var(--ink-80);
}
.body.dark{ color:rgba(4,3,7,.72); }

.lilac{ font-family:var(--f-body); font-size:24px; line-height:1.5; color:var(--lilac); margin:0; }

/* ============================================================
   SOBRE / DOBRA 02
   ============================================================ */
.grid-2{
  display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center;
}

.collage{
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-template-rows:261px 261px;
  gap:20px;
  position:relative;
}
.collage img{ width:100%; height:100%; object-fit:cover; border-radius:var(--radius); }
.collage .col-a{ grid-row:span 2; height:542px; }
.collage .col-d{
  position:absolute; right:-32px; bottom:-48px; z-index:2;
  width:200px; height:auto;
  border-radius:0; object-fit:contain;
  filter:drop-shadow(0 18px 40px rgba(0,0,0,.55));
}

.sobre-text .h2{ color:var(--ink); }

/* ============================================================
   CONTEÚDO EXCLUSIVO
   ============================================================ */
.conteudo{ background:linear-gradient(180deg, var(--bg) 0%, rgba(69,46,120,.18) 50%, var(--bg) 100%); }
.conteudo .eyebrow{ color:var(--purple-600); }

.tracks{ display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:56px; }
.track{
  position:relative;
  padding:48px 40px;
  border-radius:var(--radius-lg);
  background:var(--grad-card);
  border:1px solid rgba(154,121,226,.24);
  overflow:hidden;
}
.track::before{
  content:""; position:absolute; inset:0 0 auto 0; height:3px; background:var(--grad-brand);
}
.track-badge{
  display:inline-flex; align-items:center; justify-content:center;
  width:48px; height:48px; border-radius:12px;
  background:rgba(154,121,226,.24);
  font-family:var(--f-display); font-size:18px; font-weight:700; color:var(--pink);
  margin-bottom:24px;
}
.track h3{
  margin:0 0 16px;
  font-family:var(--f-display); font-size:32px; font-weight:700; line-height:1.1; color:var(--ink);
}
.track p{
  margin:0;
  font-family:var(--f-body); font-size:18px; line-height:1.55; color:var(--ink-80);
}

/* ============================================================
   NETWORKING (SEÇÃO CLARA)
   ============================================================ */
.networking{ background:var(--ink); padding-block:120px; }
.networking-head{ max-width:900px; }
.networking .highlight{
  margin:0;
  font-family:var(--f-body); font-size:24px; font-weight:700; line-height:1.5;
  color:var(--purple-500);
}

.photo-marquee{ overflow:hidden; margin-block:64px; }
.photo-track{
  display:flex; width:max-content;
  animation:marquee 48s linear infinite; will-change:transform;
}
.photo-track img{
  width:413px; height:413px; object-fit:cover; border-radius:var(--radius-lg); flex:none;
  margin-right:20px; /* margem, não gap: ver .mq-item */
}

/* ============================================================
   LOCAL
   ============================================================ */
.local{ background:linear-gradient(180deg, var(--bg) 0%, rgba(69,46,120,.16) 100%); }
.local-head{ max-width:1000px; margin-bottom:56px; }

.venue{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  aspect-ratio:16/9; background:#050505;
  border:1px solid rgba(154,121,226,.24);
}
.venue iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; display:block; }

/* ============================================================
   PRÓXIMA EDIÇÃO
   ============================================================ */
.proxima{
  position:relative; overflow:hidden;
  background:linear-gradient(180deg, #440693 0%, rgba(4,3,7,0) 100%), var(--bg);
  padding-block:140px;
}
.proxima-deco{
  position:absolute; right:-80px; top:-60px; width:557px; opacity:.5; pointer-events:none;
}
.proxima-inner{ position:relative; max-width:880px; }
.proxima .eyebrow{ color:var(--lilac); }
.proxima .h2{ font-size:56px; }
.lead-lg{
  margin:0 0 20px;
  font-family:var(--f-display); font-size:24px; font-weight:400; line-height:1.5; color:var(--white);
}
.proxima .btn{ margin-top:24px; }

/* ============================================================
   PALESTRANTES
   ============================================================ */
.palestrantes{ background:var(--bg); }
.palestrantes-head{ max-width:900px; margin-bottom:64px; }
.palestrantes-head .h2{ font-size:56px; margin-bottom:20px; }

.speakers{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:16px;
}

.speaker{
  position:relative; border-radius:var(--radius); overflow:hidden;
  aspect-ratio:265/330; background:var(--purple-900);
  isolation:isolate;
}
.speaker img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:top center;
  transition:transform .5s ease;
}
.speaker::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(4,3,7,0) 38%, rgba(4,3,7,.92) 88%);
}
.speaker:hover img{ transform:scale(1.05); }

.speaker-info{ position:absolute; left:0; right:0; bottom:0; z-index:2; padding:20px; }
.speaker-company{
  display:inline-block; margin:0 0 10px;
  padding:4px 12px; border-radius:999px;
  background:var(--yellow); color:#040307;
  font-family:var(--f-display); font-size:13px; font-weight:600;
  text-transform:uppercase; letter-spacing:.04em;
}
.speaker-name{
  margin:0; font-family:var(--f-body); font-size:22px; font-weight:400; line-height:1.25; color:var(--white);
}
.speaker-role{
  margin:2px 0 0; font-family:var(--f-display); font-size:16px; font-weight:400; line-height:1.4;
  color:rgba(255,255,255,.82);
}
.speaker.is-keynote{ border:2px solid var(--yellow); }
.speaker.is-keynote .speaker-company{ background:var(--grad-brand); color:var(--white); }

/* ============================================================
   AGENDA
   ============================================================ */
.agenda-card{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  min-height:438px; display:flex; align-items:center; justify-content:center;
}
.agenda-bg{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.agenda-copy{
  position:relative; z-index:1; text-align:center; padding:64px 32px;
  display:flex; flex-direction:column; align-items:center; gap:24px;
}
.agenda-logo{ width:250px; }
.agenda-copy .h3{ margin:0; max-width:640px; font-size:32px; color:var(--white); }

/* ============================================================
   PATROCINADORES
   ============================================================ */
.patrocinadores{ background:linear-gradient(180deg, var(--bg) 0%, rgba(69,46,120,.14) 100%); }
.patrocinadores .h2{ margin-bottom:56px; }

.sponsors{
  display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:24px; align-items:center;
  padding:48px 40px; border-radius:var(--radius-lg);
  background:rgba(154,121,226,.12); border:1px solid rgba(154,121,226,.24);
}
.sponsor{ display:flex; align-items:center; justify-content:center; min-height:80px; }
/* altura fixa normaliza logos de tamanhos intrínsecos bem diferentes
   (o SVG da PM3 tem 67x21, o da Lumina 1900x328) */
.sponsor img{
  height:48px; width:auto; max-width:100%; object-fit:contain;
  filter:brightness(0) invert(1); opacity:.9;
  transition:opacity .2s ease, transform .2s ease;
}
a.sponsor:hover img{ opacity:1; transform:scale(1.04); }

.sponsor-cta{
  margin:80px auto 0; padding:64px; border-radius:var(--radius-lg);
  background:var(--purple-700); border:1px solid rgba(154,121,226,.24);
  max-width:900px; text-align:center;
  display:flex; flex-direction:column; align-items:center;
}
.sponsor-cta .h3{ font-size:40px; font-weight:600; }
.sponsor-cta .body{ font-size:18px; max-width:640px; color:var(--ink); }
.sponsor-cta .btn{ margin-top:16px; }

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-card{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  min-height:488px; display:flex; align-items:center; justify-content:center;
}
.cta-bg{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.cta-copy{
  position:relative; z-index:1; text-align:center; padding:72px 32px;
  display:flex; flex-direction:column; align-items:center; gap:32px;
}
.cta-copy .h2{ margin:0; font-size:48px; color:var(--white); max-width:820px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq{ background:linear-gradient(180deg, var(--bg) 0%, rgba(69,46,120,.12) 100%); }
.faq-grid{ display:grid; grid-template-columns:minmax(0,380px) 1fr; gap:80px; align-items:start; }
.faq-head .h2{ font-size:48px; }
.faq-head .btn{ margin-top:16px; }

.accordion{ display:flex; flex-direction:column; }
.acc-item{ border-top:1px solid rgba(154,121,226,.28); }
.acc-item:last-child{ border-bottom:1px solid rgba(154,121,226,.28); }

.acc-btn{
  width:100%; display:flex; align-items:center; gap:24px;
  padding:28px 0; cursor:pointer; text-align:left; color:var(--ink);
  font-family:var(--f-display); font-size:22px; font-weight:600; line-height:1.3;
  list-style:none;
}
.acc-btn::-webkit-details-marker{ display:none; }
.acc-num{
  font-family:var(--f-body); font-size:18px; font-weight:400; color:var(--purple-500); flex:none;
}
.acc-label{ flex:1; }
.acc-chevron{ width:24px; height:24px; flex:none; stroke:var(--yellow); stroke-width:3; fill:none; stroke-linecap:round; transition:transform .3s ease; }
.acc-item[open] .acc-chevron{ transform:rotate(180deg); }

.acc-panel-inner{
  padding:0 48px 28px 48px;
  font-family:var(--f-body); font-size:18px; line-height:1.6; color:var(--ink-80);
}
.acc-panel-inner p{ margin:0 0 12px; }
.acc-panel-inner a{ color:var(--yellow); text-decoration:underline; }

/* animação de altura: aprimoramento progressivo (Chromium 131+).
   Onde não há suporte, o painel simplesmente abre/fecha. */
@supports (interpolate-size:allow-keywords){
  .accordion{ interpolate-size:allow-keywords; }
  .acc-item::details-content{
    block-size:0; overflow:hidden;
    transition:block-size .35s ease, content-visibility .35s allow-discrete;
  }
  .acc-item[open]::details-content{ block-size:auto; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background:var(--grad-foot); padding-block:64px 48px; }
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap:32px; text-align:center; }
.footer-logo img{ width:220px; height:auto; }

.footer-links{ display:flex; flex-wrap:wrap; justify-content:center; gap:32px; }
.footer-links a{ font-family:var(--f-body); font-size:16px; color:var(--ink-80); transition:color .2s ease; }
.footer-links a:hover{ color:var(--yellow); }

.socials{ display:flex; gap:16px; }
.socials a{
  display:grid; place-items:center; width:44px; height:44px; border-radius:50%;
  border:1px solid rgba(154,121,226,.4); color:var(--ink);
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.socials a:hover{ background:var(--yellow); color:#040307; border-color:var(--yellow); }
.socials svg{ width:20px; height:20px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }

.copyright{ margin:0; font-family:var(--f-body); font-size:14px; color:rgba(242,240,248,.5); }

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  .marquee-track,.photo-track{ animation:none; }
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:1180px){
  .hero-title{ font-size:48px; }
  .h2{ font-size:40px; }
  .h2-xl{ font-size:48px; }
  .proxima .h2,.palestrantes-head .h2{ font-size:44px; }
  .speakers{ grid-template-columns:repeat(3, minmax(0,1fr)); }
  .faq-grid{ grid-template-columns:1fr; gap:48px; }
}

/* Menu hambúrguer a partir de 1100px: a nav horizontal precisa de ~1065px
   e quebrava entre 981 e 1070px. */
@media (max-width:1100px){
  .burger{ display:flex; }
  .nav{
    position:fixed; inset:var(--header-h) 0 auto 0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:rgba(4,3,7,.97); backdrop-filter:blur(16px);
    padding:8px 24px 24px;
    border-bottom:1px solid rgba(154,121,226,.24);
    transform:translateY(-120%);
    /* visibility tira o menu fechado da ordem de Tab e do leitor de tela */
    visibility:hidden;
    transition:transform .3s ease, visibility 0s linear .3s;
  }
  .nav.is-open{ transform:none; visibility:visible; transition:transform .3s ease, visibility 0s; }
  .nav a{ width:100%; padding:16px 0; border-bottom:1px solid rgba(154,121,226,.14); font-size:20px; }
  .nav a::after{ display:none; }
}

@media (max-width:980px){
  :root{ --header-h:80px; }
  .container{ padding-inline:24px; }

  .logo img{ width:200px; height:40px; }

  .hero{ min-height:auto; padding-block:calc(var(--header-h) + 48px) 72px; }
  .hero-kicker{ font-size:26px; }
  .hero-title{ font-size:36px; }
  .hero-bottom{ flex-direction:column; align-items:flex-start; gap:32px; }

  .section{ padding-block:80px; }
  .grid-2,.tracks{ grid-template-columns:1fr; gap:40px; }
  .collage{ grid-template-rows:200px 200px; }
  .collage .col-a{ height:420px; }
  .collage .col-d{ width:140px; right:-12px; bottom:-32px; }


  .proxima-deco{ width:340px; right:-100px; opacity:.3; }
  .speakers{ grid-template-columns:repeat(2, minmax(0,1fr)); }

  .sponsors{ grid-template-columns:repeat(2, minmax(0,1fr)); padding:32px 24px; }
  .sponsor-cta{ padding:40px 28px; }
  .sponsor-cta .h3{ font-size:30px; }

  .cta-copy .h2{ font-size:32px; }
  .agenda-copy .h3{ font-size:26px; }

  .photo-track img{ width:260px; height:260px; }
  .mq-item{ font-size:18px; letter-spacing:.18em; }
  .marquee-strip{ height:88px; }
}

@media (max-width:600px){
  body{ font-size:16px; }
  .btn{ font-size:17px; padding:14px 24px; width:100%; }
  .hero-title{ font-size:30px; }
  .h2{ font-size:30px; }
  .h2-xl{ font-size:32px; }
  .proxima .h2,.palestrantes-head .h2{ font-size:32px; }
  .eyebrow{ font-size:18px; }
  .body,.lead-lg,.lilac{ font-size:17px; }
  .speakers{ grid-template-columns:1fr; }
  .sponsors{ grid-template-columns:1fr; }
  .acc-btn{ font-size:18px; gap:14px; }
  .acc-panel-inner{ padding-inline:0 0; }
  .collage .col-d{ display:none; }
}