/* ===== Tokens ===== */
:root{
  --green-500:#19b85c;     /* bright elven green */
  --green-600:#13a34f;
  --green-700:#0c7a3c;
  --green-deep:#0a3a26;    /* deep section green */
  --green-darker:#062317;  /* near-black green */
  --mint:#34e0a1;          /* accent mint */
  --mint-soft:#7ff0c4;
  --ink:#0a1410;
  --white:#ffffff;
  --muted:#c8e3d6;
  --muted-dark:#5f7a6e;
  --line:rgba(255,255,255,.12);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1140px;
  --shadow:0 24px 60px -20px rgba(4,30,18,.55);
  --grad:linear-gradient(120deg,#19b85c 0%,#0e6b40 55%,#0a3a26 100%);
  font-family:'Open Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:#fff;color:var(--ink);line-height:1.6;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:780px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:700;font-size:15px;padding:13px 24px;border-radius:999px;border:0;
  cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap}
.btn--primary{background:var(--green-500);color:#fff;box-shadow:0 8px 22px -8px rgba(25,184,92,.7)}
.btn--primary:hover{background:var(--green-600);transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(25,184,92,.85)}
.btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.section .btn--ghost{color:var(--green-700);border-color:rgba(12,122,60,.4)}
.section .btn--ghost:hover{border-color:var(--green-700);background:rgba(12,122,60,.06)}
.btn--lg{padding:16px 30px;font-size:16px}
.btn--block{width:100%}

/* ===== Nav ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(6,35,23,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:24px;height:72px}
.nav__logo{height:28px;width:auto}
.nav__brand{font-weight:700;text-transform:uppercase;letter-spacing:.04em;font-size:18px;color:#fff;white-space:nowrap}
.nav__links{display:flex;gap:28px;margin-left:auto;font-size:15px;font-weight:500;color:var(--muted)}
.nav__links a{transition:color .2s}
.nav__links a:hover{color:#fff}
.nav__cta{margin-left:8px}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;padding:96px 0 80px;isolation:isolate;
  background:var(--grad)}
.hero__glow{position:absolute;inset:0;z-index:-1;
  background:radial-gradient(900px 500px at 80% -10%,rgba(52,224,161,.28),transparent 60%)}
.hero__mark{position:absolute;right:-120px;top:50%;transform:translateY(-50%);
  width:680px;opacity:.05;z-index:-1;pointer-events:none}
.badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  color:#eafff5;padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;
  backdrop-filter:blur(4px);margin-bottom:22px}
.hero__title{font-size:clamp(44px,8vw,86px);font-weight:700;line-height:.98;letter-spacing:-.01em;text-transform:uppercase}
.hero__title span{color:var(--mint)}
.hero__inner{display:flex;flex-direction:column;align-items:center;text-align:center}
.hero__lead{max-width:600px;font-size:clamp(16px,2.1vw,19px);color:#e3f6ec;margin:22px auto 0}
.hero__lead strong{color:#fff}
.hero__lead-strong{display:block;font-size:clamp(19px,2.6vw,24px);font-weight:800;
  color:#fff;margin-bottom:10px;line-height:1.25}

.hero__meta{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 30px;justify-content:center}
.meta{background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 20px;min-width:140px}
.meta__label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mint-soft);font-weight:700}
.meta__value{font-size:19px;font-weight:800;margin-top:2px}

.hero__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

.countdown-section{text-align:center;padding:72px 0;border-top:1px solid rgba(255,255,255,.08)}
.countdown-section .countdown{justify-content:center;margin:0;gap:20px}
.countdown-section .countdown__item{min-width:128px;padding:26px 24px}
.countdown-section .countdown__item strong{font-size:52px}
.countdown-section .countdown__item span{font-size:14px;margin-top:10px}
.countdown{display:flex;gap:14px;margin-top:44px;flex-wrap:wrap}
.countdown__item{background:rgba(0,0,0,.18);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 18px;text-align:center;min-width:78px}
.countdown__item strong{display:block;font-size:30px;font-weight:900;line-height:1;color:#fff}
.countdown__item span{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--mint-soft);margin-top:6px;display:block}

/* ===== Sections ===== */
.section{padding:88px 0}
.section--alt{background:#f4f8f5}
.section--dark{background:var(--green-darker);color:#fff}
.section--dark .section__title{color:#fff}
.section--dark .section__text{color:#cfe3d8}
.section--dark .section__text strong{color:#fff}
.section--dark .section__text strong.hl{color:var(--mint)}
.hl{color:var(--mint)}
.about{text-align:center}
.about .section__text{max-width:62ch;margin-inline:auto}
.local{text-align:center}
.local .section__text{margin-inline:auto}
.local-section{position:relative;color:#fff;isolation:isolate;
  background:linear-gradient(rgba(6,35,23,.72),rgba(6,35,23,.82)),
    url('assets/saopaulo.jpg') center/cover no-repeat}
.local-section .section__title{color:#fff}
.local-section .section__text{color:#e3f6ec}
.local-section .section__text--muted{color:#a9c6ba}
.local-section .eyebrow{color:var(--mint)}
.local-section .btn--ghost{color:#fff;border-color:rgba(255,255,255,.45)}
.local-section .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;
  color:var(--green-600);margin-bottom:14px}
.eyebrow--light{color:var(--mint)}
.section__title{font-size:clamp(28px,4.5vw,44px);font-weight:900;letter-spacing:-.02em;line-height:1.08;color:var(--ink)}
.section__sub{color:var(--muted-dark);margin-top:10px}
.section__text{margin-top:18px;color:#33453c;font-size:17px;max-width:48ch}
.section__text--muted{color:var(--muted-dark)}
.section .btn{margin-top:26px}
.section__head{text-align:center;max-width:680px;margin:0 auto 50px}
.section__head .section__text{margin-inline:auto}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid-2--map{align-items:stretch}

.card-visual img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}

/* ===== Feature cards ===== */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--center{display:flex;flex-wrap:wrap;justify-content:center}
.cards--center .feature{flex:0 1 calc((100% - 40px)/3)}
.feature{background:#fff;border:1px solid #e6efe9;border-radius:var(--radius);padding:28px 24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.section--alt .feature{background:#fff}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.feature__icon{font-size:30px;margin-bottom:14px}
.feature h3{font-size:19px;font-weight:800;color:var(--ink)}
.feature p{margin-top:8px;color:#54665d;font-size:15px}

/* ===== Speakers ===== */
.speakers{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:960px;margin:0 auto}
.speaker{text-align:center}
.speaker__photo{width:148px;height:148px;border-radius:50%;margin:0 auto 18px;
  background:linear-gradient(135deg,#e6efe9,#f4f8f5);border:2px solid #e0ebe4;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.speaker__photo img{width:100%;height:100%;object-fit:cover}
.speaker__photo span{font-size:42px;font-weight:800;color:#bcd2c6}
.speaker:hover .speaker__photo{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--mint)}
.speaker__name{font-size:19px;font-weight:800;color:var(--ink)}
.speaker__role{margin-top:4px;color:var(--green-700);font-weight:600;font-size:14px}
.speaker__company{color:#54665d;font-size:14px}
.speakers__note{text-align:center;margin-top:40px;color:var(--muted-dark);font-size:15px}
.soon{text-align:center;font-size:clamp(28px,5vw,44px);font-weight:800;color:#cdddd3;
  letter-spacing:.01em;padding:30px 0}

/* ===== Agenda ===== */
.agenda{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:920px;margin:0 auto}
.agenda__col{background:#fff;border:1px solid #e6efe9;border-radius:var(--radius);padding:30px}
.agenda__period{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--green-600);
  font-weight:800;margin-bottom:18px}
.timeline{list-style:none;display:flex;flex-direction:column}
.timeline li{display:flex;gap:18px;padding:13px 0;border-bottom:1px dashed #e2ece6;align-items:baseline}
.timeline li:last-child{border-bottom:0}
.timeline .time{font-variant-numeric:tabular-nums;font-weight:800;color:var(--green-700);min-width:54px;font-size:15px}
.timeline .ev{color:#33453c;font-weight:500}

/* ===== Map ===== */
.map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:340px}
.map iframe{width:100%;height:100%;min-height:340px;border:0;display:block}

/* ===== CTA / form ===== */
.cta-section{background:var(--grad);color:#fff;padding:84px 0;position:relative;overflow:hidden;isolation:isolate}
.cta-section::after{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(700px 400px at 10% 110%,rgba(52,224,161,.3),transparent 60%)}
.cta__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.cta__inner--single{grid-template-columns:1fr;max-width:720px;text-align:center;justify-items:center}
.cta__inner--single .cta__text{margin-inline:auto}

/* ===== Sponsors / Apoio ===== */
.tier{max-width:920px;margin:0 auto 44px;text-align:center}
.tier__label{display:inline-block;font-size:13px;font-weight:800;text-transform:uppercase;
  letter-spacing:.12em;color:var(--green-600);margin-bottom:18px}
.tier__logos{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.sponsors{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:920px;margin:0 auto}
.sponsor-logo{aspect-ratio:16/7;background:#fff;border:1px solid #e6efe9;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;padding:24px;transition:border-color .2s,box-shadow .2s}
.tier__logos .sponsor-logo{flex:1 1 240px;max-width:300px}
.sponsors .sponsor-logo{border-style:dashed;border-color:#cdddd3}
.sponsor-logo:hover{border-color:var(--green-500);box-shadow:var(--shadow)}
.sponsor-logo img{max-height:60px;max-width:100%;object-fit:contain}
.sponsor-logo span{color:#9fb6aa;font-size:14px;font-weight:600}
.sponsor-logo--org{flex:0 1 420px;background:var(--grad);border:0;aspect-ratio:16/6}
.sponsor-logo--org img{max-height:50px}
.sponsor-logo--farmarcas{flex:0 1 420px;border:0;padding:0;overflow:hidden;aspect-ratio:16/6}
.sponsor-logo--farmarcas img{width:100%;height:100%;max-height:none;object-fit:cover;border-radius:inherit}
.sponsor-logo--wevy img{max-height:44px}
.sponsor-logo--master{background:#fff}
.sponsor-logo--chainguard img{max-height:92px}
.sponsor-logo--empty{border-style:dashed;border-color:#cdddd3}
.sponsors__cta{text-align:center;margin-top:8px}
.cta__title{font-size:clamp(28px,4vw,42px);font-weight:900;line-height:1.08;letter-spacing:-.02em}
.cta__text{margin:18px 0 26px;color:#e3f6ec;max-width:46ch}
.cta__hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}

.form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form__title{font-size:20px;font-weight:800;margin-bottom:18px}
.form__row{margin-bottom:14px}
.form__row--2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;font-size:13px;font-weight:700;color:#33453c}
.form input{width:100%;margin-top:6px;padding:12px 14px;border:1.5px solid #dde7e1;border-radius:10px;
  font-size:15px;font-family:inherit;transition:border-color .2s}
.form input:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 3px rgba(25,184,92,.15)}
.form .btn{margin-top:6px}
.form__ok{margin-top:14px;color:var(--green-700);font-weight:700;font-size:14px}
.form__note{margin-top:12px;font-size:12px;color:var(--muted-dark);text-align:center}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid #e6efe9;border-radius:var(--radius-sm);padding:4px 22px}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--green-600);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 18px;color:#54665d}
.faq a{color:var(--green-700);font-weight:600}

/* ===== Footer line ===== */
.footer-line{background:var(--green-darker);color:#fff;text-align:center;
  padding:20px 0;font-size:14px;letter-spacing:.02em;border-top:1px solid var(--line)}
.footer-line strong{text-transform:uppercase;font-weight:700;letter-spacing:.04em}

/* ===== Footer (legacy) ===== */
.footer{background:var(--green-darker);color:var(--muted);padding:60px 0 28px}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer__logo{height:26px;margin-bottom:16px}
.footer__brand p{max-width:38ch;font-size:15px}
.footer__col h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.footer__col a{display:block;padding:5px 0;font-size:15px;transition:color .2s}
.footer__col a:hover{color:var(--mint)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:14px}
.footer__bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media(max-width:900px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex;margin-left:auto}
  .nav__links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:#062317;padding:18px 24px;gap:6px;border-bottom:1px solid var(--line)}
  .nav__links.open a{padding:10px 0}
  .grid-2,.cta__inner{grid-template-columns:1fr;gap:36px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .speakers{grid-template-columns:repeat(2,1fr)}
  .sponsors{grid-template-columns:repeat(2,1fr)}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .agenda{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  body{font-size:16px}
  .section{padding:60px 0}
  .hero{padding:64px 0 56px}
  .cards,.cards--3{grid-template-columns:1fr}
  .speakers{grid-template-columns:repeat(2,1fr);gap:20px}
  .speaker__photo{width:120px;height:120px}
  .form__row--2{grid-template-columns:1fr}
  .footer__inner,.footer__bottom{grid-template-columns:1fr;flex-direction:column;gap:18px;text-align:center}
  .countdown__item{min-width:64px;flex:1}
  .hero__mark{right:-180px;width:480px}
}