:root {
  --navy: #0b2841;
  --navy-2: #173f5e;
  --blue: #194d70;
  --cyan: #4aaeb7;
  --gold: #c69339;
  --gold-light: #f3d8a5;
  --idi-red: #c62026;
  --paper: #fffaf2;
  --soft: #f5e9d8;
  --ink: #162b3e;
  --muted: #6f6c69;
  --white: #ffffff;
  --line: rgba(15, 46, 73, .13);
  --shadow: 0 24px 70px rgba(7, 26, 47, .13);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, input { font: inherit; }
code { font: 600 .88em ui-monospace, SFMono-Regular, Menlo, monospace; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-dark { color: var(--white); background: var(--navy); }
.section-soft { background: linear-gradient(180deg,#f5e9d8,#fffaf2); }
.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; }
.skip-link { position: fixed; z-index: 200; top: 8px; left: 8px; transform: translateY(-150%); background: white; color: var(--navy); padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { transform: none; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; right: 0; color: var(--navy); background: rgba(255,250,242,.88); border-bottom: 1px solid rgba(11,40,65,.1); backdrop-filter: blur(18px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; letter-spacing: .03em; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 3px solid var(--idi-red); border-radius: 50%; color: var(--idi-red); background: white; font-size: .65rem; font-weight: 950; box-shadow: inset 0 0 0 2px white, 0 0 0 1px rgba(198,32,38,.18); }
.brand-logo { width: 44px; height: 44px; flex: 0 0 44px; object-fit: contain; border-radius: 50%; background: white; }
.brand strong { display: block; font-size: .78rem; line-height: 1.08; letter-spacing: .04em; }
.brand small { display: block; margin-top: 4px; color: var(--idi-red); font-size: .62rem; line-height: 1; letter-spacing: .19em; }
.nav-menu { display: flex; align-items: center; gap: 26px; }
.nav-menu > a:not(.button) { color: rgba(11,40,65,.72); font-size: .92rem; text-decoration: none; transition: color .2s ease; }
.nav-menu > a:hover { color: var(--idi-red); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 12px; color: var(--navy); background: rgba(11,40,65,.07); }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: currentColor; border-radius: 99px; }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; border-radius: 14px; color: var(--navy); background: linear-gradient(135deg, #e5ba5e, #f5dba7); box-shadow: 0 12px 32px rgba(198,147,57,.2); font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(198,147,57,.3); }
.button-small { min-height: 40px; padding: 0 17px; border-radius: 11px; font-size: .88rem; }
.button-ghost { color: var(--navy); background: transparent; border-color: rgba(11,40,65,.24); box-shadow: none; }
.button-light { color: var(--navy); background: white; box-shadow: none; }
.button-navy { color: white; background: var(--navy); box-shadow: 0 14px 32px rgba(11,40,65,.18); }
.button.is-disabled { pointer-events: none; opacity: .48; }

.hero { position: relative; overflow: hidden; padding: 154px 0 86px; color: var(--navy); background: radial-gradient(circle at 78% 10%, rgba(255,255,255,.96), transparent 28%), radial-gradient(circle at 18% 18%, rgba(243,216,165,.72), transparent 38%), linear-gradient(145deg, #fffaf2 0%, #f4e3cd 55%, #e8d2b6 100%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 82px; opacity: .65; background: repeating-linear-gradient(135deg, rgba(11,40,65,.12) 0 12px, transparent 12px 24px), linear-gradient(transparent,rgba(198,147,57,.16)); clip-path: polygon(0 75%,8% 58%,17% 82%,26% 50%,36% 78%,47% 48%,57% 76%,67% 54%,77% 80%,88% 50%,100% 72%,100% 100%,0 100%); pointer-events: none; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(5px); opacity: .18; pointer-events: none; }
.hero-glow-one { width: 430px; height: 430px; right: -160px; top: 12%; background: var(--gold); }
.hero-glow-two { width: 280px; height: 280px; left: -160px; bottom: -80px; background: var(--idi-red); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 64px; }
.eyebrow { margin: 0 0 14px; color: var(--gold-light); font-size: .75rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.dark { color: var(--blue); }
.idi-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; color: var(--navy); font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.idi-kicker img { width: 34px; height: 34px; flex: 0 0 34px; object-fit: contain; border-radius: 50%; background: white; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.035em; }
h1 { margin-bottom: 24px; font-size: clamp(3rem, 6vw, 5.6rem); }
h1 span { color: var(--gold); text-shadow: 0 2px 0 #7f5521; }
.hero-subtitle { margin: -12px 0 20px; color: #684b2d; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.15rem,2.2vw,1.65rem); font-weight: 700; }
h2 { margin-bottom: 20px; font-size: clamp(2.15rem, 4.2vw, 4rem); }
h3 { font-size: 1.25rem; }
.hero-lead { max-width: 660px; margin-bottom: 30px; color: rgba(22,43,62,.74); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 38px; }
.hero-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0; }
.hero-meta div { padding-left: 14px; border-left: 2px solid rgba(198,147,57,.7); }
.hero-meta dt { color: rgba(11,40,65,.52); font-size: .68rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.hero-meta dd { margin: 5px 0 0; font-size: .88rem; font-weight: 750; }
.microcopy { margin: 12px 0 0; color: rgba(11,40,65,.52); font-size: .75rem; }
.microcopy a { color: var(--blue); font-weight: 800; text-decoration-color: rgba(25,77,112,.32); text-underline-offset: 4px; }

.video-shell { padding: 14px; border: 1px solid rgba(11,40,65,.12); border-radius: 28px; background: rgba(255,255,255,.46); box-shadow: 0 40px 100px rgba(73,48,23,.18); backdrop-filter: blur(14px); }
.video-label { display: flex; align-items: center; gap: 8px; padding: 1px 3px 12px; color: rgba(11,40,65,.64); font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.video-label span { width: 8px; height: 8px; border-radius: 50%; background: #ff5c5c; box-shadow: 0 0 0 5px rgba(255,92,92,.12); }
.video-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border-radius: 18px; background: #030a13; }
.video-frame iframe { width: 100%; height: 100%; border: 0; }
.media-placeholder { position: absolute; inset: 0; display: grid; align-content: center; justify-items: center; padding: 28px; text-align: center; background: radial-gradient(circle at 50% 20%, rgba(69,210,209,.18), transparent 38%), linear-gradient(140deg,#061728,#0b2943); }
.media-placeholder p { max-width: 390px; margin: 10px 0 0; color: rgba(255,255,255,.55); font-size: .85rem; }
.play-mark { display: grid; width: 60px; height: 60px; margin-bottom: 16px; place-items: center; padding-left: 4px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; color: var(--navy); background: var(--cyan); }
.countdown { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 8px 4px; }
.countdown > p { margin: 0; color: rgba(11,40,65,.58); font-size: .78rem; }
.countdown-grid { display: flex; gap: 15px; }
.countdown-grid span { min-width: 38px; text-align: center; }
.countdown-grid strong, .countdown-grid small { display: block; }
.countdown-grid strong { font-size: 1.15rem; }
.countdown-grid small { color: rgba(11,40,65,.46); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }

.quick-facts { position: relative; z-index: 3; color: white; background: linear-gradient(90deg,#0b2841,#173f5e); border-bottom: 4px solid var(--gold); }
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.fact-grid article { min-height: 118px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-left: 1px solid rgba(255,255,255,.12); text-align: center; }
.fact-grid article:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.fact-grid strong { color: var(--gold-light); font-size: 1.9rem; line-height: 1; }
.fact-grid span { margin-top: 8px; color: rgba(255,255,255,.68); font-size: .77rem; }

.poster-section { position: relative; overflow: hidden; background: linear-gradient(135deg,#fffaf2,#f1dfc8); }
.poster-section::before { content: ""; position: absolute; width: 520px; height: 520px; top: -220px; right: -180px; border: 1px solid rgba(198,147,57,.18); border-radius: 50%; box-shadow: 0 0 0 50px rgba(198,147,57,.04),0 0 0 100px rgba(198,147,57,.03); }
.poster-grid { position: relative; display: grid; grid-template-columns: .72fr 1.28fr; gap: 82px; align-items: center; }
.poster-frame { position: relative; margin: 0; padding: 11px; border: 1px solid rgba(11,40,65,.13); border-radius: 26px; background: rgba(255,255,255,.68); box-shadow: 0 36px 90px rgba(60,40,20,.18); transform: rotate(-1.25deg); }
.poster-frame::after { content: ""; position: absolute; inset: 20px -18px -18px 20px; z-index: -1; border: 1px solid rgba(198,147,57,.36); border-radius: 26px; }
.poster-frame img { display: block; width: 100%; aspect-ratio: 6 / 5; border-radius: 17px; object-fit: cover; object-position: top; }
.poster-frame figcaption { padding: 10px 5px 2px; color: var(--muted); font-size: .72rem; text-align: center; }
.poster-copy > p:not(.eyebrow) { max-width: 680px; color: var(--muted); }
.prize-panel { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin: 30px 0; }
.prize-panel div { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; border: 1px solid rgba(11,40,65,.1); border-radius: 14px; background: rgba(255,255,255,.6); }
.prize-panel div:first-child { grid-column: 1 / -1; color: white; background: var(--navy); }
.prize-panel span { font-size: .8rem; font-weight: 750; }
.prize-panel strong { color: #8a5b1f; font-size: 1rem; }
.prize-panel div:first-child strong { color: var(--gold-light); }
.poster-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.text-link { color: var(--navy); font-weight: 800; text-decoration-color: rgba(11,40,65,.28); text-underline-offset: 5px; }

.intro-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 80px; align-items: start; }
.section-heading p:not(.eyebrow) { max-width: 700px; color: var(--muted); }
.intro-copy { padding-top: 34px; color: var(--muted); font-size: 1.02rem; }
.topic-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 66px; }
.topic-grid article { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: 0 16px 46px rgba(7,26,47,.05); transition: transform .25s ease, box-shadow .25s ease; }
.topic-grid article:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.topic-grid article > span { color: var(--gold); font-weight: 900; }
.topic-grid h3 { margin: 36px 0 12px; }
.topic-grid p { margin: 0; color: var(--muted); font-size: .9rem; }

.centered { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.rounds { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; align-items: stretch; }
.round-card { position: relative; overflow: hidden; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: white; box-shadow: 0 20px 55px rgba(7,26,47,.06); }
.round-card.featured { color: white; background: linear-gradient(150deg,var(--navy),var(--navy-2)); border-top: 4px solid var(--idi-red); transform: translateY(-12px); }
.round-number { position: absolute; top: 10px; right: 20px; color: rgba(12,91,135,.08); font-size: 5rem; font-weight: 900; line-height: 1; }
.featured .round-number { color: rgba(255,255,255,.08); }
.round-kicker { color: var(--blue); font-size: .73rem; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
.featured .round-kicker { color: var(--gold-light); }
.round-card > p:not(.round-kicker) { min-height: 77px; color: var(--muted); }
.featured > p:not(.round-kicker) { color: rgba(255,255,255,.66); }
.round-card ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 24px 0 0; list-style: none; }
.round-card li { padding: 7px 10px; border-radius: 999px; color: var(--blue); background: var(--soft); font-size: .74rem; font-weight: 800; }
.featured li { color: var(--cyan); background: rgba(255,255,255,.08); }

.registration-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 84px; }
.steps { padding: 0; margin: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 0 0 28px; position: relative; }
.steps li:not(:last-child)::before { content: ""; position: absolute; top: 48px; bottom: 5px; left: 27px; width: 1px; background: var(--line); }
.steps li > span { position: relative; z-index: 1; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 18px; color: white; background: var(--blue); font-weight: 900; box-shadow: 0 12px 30px rgba(12,91,135,.2); }
.steps h3 { margin: 2px 0 7px; }
.steps p { margin: 0; color: var(--muted); }

.form-section { position: relative; overflow: hidden; color: white; background: linear-gradient(155deg,#173f5e,#0b2841); }
.form-section::after { content: ""; position: absolute; inset: auto 0 0; height: 54px; opacity: .16; background: repeating-linear-gradient(45deg,var(--gold) 0 8px,transparent 8px 16px); clip-path: polygon(0 70%,7% 28%,15% 70%,23% 25%,31% 68%,39% 24%,48% 70%,57% 26%,66% 68%,75% 28%,84% 72%,92% 24%,100% 70%,100% 100%,0 100%); }
.form-section .container { position: relative; z-index: 1; }
.form-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.form-heading h2 { margin-bottom: 12px; }
.form-heading p:not(.eyebrow) { max-width: 680px; margin-bottom: 0; color: rgba(255,255,255,.62); }
.form-embed { min-height: 660px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 24px; background: white; box-shadow: 0 30px 80px rgba(0,0,0,.2); }
.form-embed iframe { display: block; width: 100%; min-height: 950px; border: 0; background: white; }
.form-placeholder { min-height: 660px; display: grid; align-content: center; justify-items: center; padding: 36px; color: var(--ink); text-align: center; background: linear-gradient(145deg,#fff,#edf5f7); }
.form-placeholder p { max-width: 580px; color: var(--muted); }
.form-icon { display: grid; width: 58px; height: 58px; margin-bottom: 18px; place-items: center; border-radius: 18px; color: var(--navy); background: var(--cyan); font-size: 1.5rem; }
.privacy-note { margin: 18px 0 0; color: rgba(255,255,255,.5); font-size: .8rem; }

.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: start; }
.accordion details { border-top: 1px solid var(--line); }
.accordion details:last-child { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 22px 46px 22px 0; cursor: pointer; font-weight: 800; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; position: absolute; right: 8px; top: 16px; color: var(--blue); font-size: 1.6rem; font-weight: 400; }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { padding: 0 48px 22px 0; margin: 0; color: var(--muted); }

.final-cta { position: relative; overflow: hidden; padding: 70px 0; background: linear-gradient(120deg,var(--navy),#0b3f5e); }
.final-cta::after { content: ""; position: absolute; width: 360px; height: 360px; right: -100px; bottom: -250px; border: 28px double rgba(198,147,57,.16); border-radius: 50%; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.final-cta-inner { position: relative; z-index: 1; }
.final-cta h2 { max-width: 780px; margin: 0; font-size: clamp(2rem,4vw,3.5rem); }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.whatsapp-link { color: rgba(255,255,255,.78); font-size: .8rem; font-weight: 750; text-decoration-color: rgba(255,255,255,.3); text-underline-offset: 4px; }
.footer { padding: 44px 0; color: rgba(255,255,255,.62); background: #04111f; }
.footer-grid { display: grid; grid-template-columns: .7fr 1.2fr 1fr; align-items: center; gap: 40px; }
.footer p { margin: 0; font-size: .78rem; }
.footer-note { text-align: right; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .nav-menu { position: fixed; inset: 76px 16px auto; display: none; flex-direction: column; align-items: stretch; padding: 22px; border: 1px solid rgba(11,40,65,.1); border-radius: 18px; background: rgba(255,250,242,.98); box-shadow: var(--shadow); }
  .nav-menu.open { display: flex; }
  .nav-menu > a { padding: 8px; }
  .hero-grid, .poster-grid, .intro-grid, .registration-grid, .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding-top: 132px; }
  .hero-copy { max-width: 760px; }
  .fact-grid { grid-template-columns: repeat(5,1fr); overflow-x: auto; }
  .fact-grid article { min-width: 130px; }
  .topic-grid { grid-template-columns: repeat(2,1fr); }
  .poster-frame { width: min(540px,90%); margin-inline: auto; transform: none; }
  .rounds { grid-template-columns: 1fr; max-width: 700px; margin: auto; }
  .round-card.featured { transform: none; }
  .form-heading, .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1.4fr; }
  .footer-note { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1160px); }
  .section { padding: 76px 0; }
  h1 { font-size: 3.1rem; }
  h2 { font-size: 2.35rem; }
  .hero-meta { grid-template-columns: 1fr; }
  .countdown { align-items: flex-start; flex-direction: column; }
  .countdown-grid { width: 100%; justify-content: space-between; }
  .topic-grid { grid-template-columns: 1fr; }
  .prize-panel { grid-template-columns: 1fr; }
  .prize-panel div:first-child { grid-column: auto; }
  .topic-grid article { min-height: 190px; }
  .form-embed, .form-placeholder { min-height: 560px; }
  .form-embed iframe { min-height: 1050px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-note { grid-column: auto; }
}