/* =============================================================
   Instituto Educacional Millenium
   Sistema: base neutra, cor de marca como acento.
   Azul #1B3FC4 · Amarelo #FDC500 (usos contados: 3)
============================================================= */

:root{
  --bg:      #FFFFFF;
  --bg-alt:  #F5F5F7;
  --ink:     #1D1D1F;
  --ink-2:   #6E6E73;
  --line:    #D2D2D7;
  --blue:    #1B3FC4;
  --blue-dk: #16329C;
  --yellow:  #FDC500;

  --r:   16px;
  --r-s: 12px;
  --nav: 48px;
  --pad: 120px;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter",
          "Helvetica Neue", Arial, sans-serif;
}

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

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.5;
  font-weight:400;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:var(--blue); text-decoration:none; }
a:hover{ text-decoration:underline; }

:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:4px;
}

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:#fff; color:var(--ink); padding:12px 18px; border-radius:0 0 var(--r-s) 0;
}
.skip:focus{ left:0; }

/* ---------- containers ---------- */
.wrap{ width:100%; max-width:680px; margin-inline:auto; padding-inline:24px; }
.wrap--wide{ max-width:1120px; }

.sec{ padding:var(--pad) 0; }
.sec--white{ background:var(--bg); }
.sec--alt{ background:var(--bg-alt); }

/* ---------- tipografia ---------- */
.h2{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:600;
  letter-spacing:-0.03em;
  line-height:1.08;
  margin:0 0 24px;
}

.lead{
  font-size:clamp(17px,2vw,21px);
  color:var(--ink-2);
  margin:0 0 8px;
  max-width:640px;
}

h3{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:600;
  letter-spacing:-0.02em;
  line-height:1.15;
  margin:0 0 10px;
}

/* =============================================================
   NAV
============================================================= */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--nav);
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.08);
}

.nav__in{
  height:100%;
  max-width:1120px; margin-inline:auto; padding-inline:24px;
  display:flex; align-items:center; gap:24px;
}

.nav__brand{
  display:flex; align-items:center; gap:9px;
  color:var(--ink); font-weight:600; font-size:15px; letter-spacing:-0.02em;
  margin-right:auto;
}
.nav__brand:hover{ text-decoration:none; }
.nav__brand img{ width:24px; height:auto; }

.nav__links{ display:flex; gap:28px; }
.nav__links a{
  color:var(--ink); font-size:13.5px; font-weight:400; opacity:.85;
}
.nav__links a:hover{ opacity:1; text-decoration:none; color:var(--blue); }

.nav__cta{
  background:var(--blue); color:#fff;
  font-size:13px; font-weight:500;
  padding:6px 15px; border-radius:980px;
  white-space:nowrap;
}
.nav__cta:hover{ background:var(--blue-dk); text-decoration:none; }

.nav__burger{
  display:none;
  width:34px; height:34px; margin-right:-8px;
  background:none; border:0; padding:0; cursor:pointer;
  flex-direction:column; justify-content:center; align-items:center; gap:5px;
}
.nav__burger span{
  display:block; width:18px; height:1.5px; background:var(--ink);
  transition:transform .3s ease, opacity .2s ease;
}
.nav__burger[aria-expanded="true"] span:first-child{ transform:translateY(3.25px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child{ transform:translateY(-3.25px) rotate(-45deg); }

/* menu full-screen mobile */
.menu{
  position:fixed; inset:var(--nav) 0 0 0; z-index:99;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  padding:24px;
  overflow-y:auto;
}
.menu[hidden]{ display:none; }
.menu nav{ display:flex; flex-direction:column; }
.menu a{
  color:var(--ink);
  font-size:26px; font-weight:500; letter-spacing:-0.03em;
  padding:18px 0; border-bottom:1px solid rgba(0,0,0,.08);
}
.menu a:hover{ text-decoration:none; color:var(--blue); }
body.is-locked{ overflow:hidden; }

/* =============================================================
   1. HERO
============================================================= */
.hero{
  position:relative;
  min-height:min(92svh,860px);
  margin-top:var(--nav);
  display:flex; align-items:flex-end;
  overflow:hidden;
  background:#0b1220;
}

.hero__img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover; object-position:50% 22%;
  filter:saturate(.9);
}

.hero__veil{
  position:absolute; inset:0;
  background:linear-gradient(to top,
    rgba(6,12,26,.86) 0%,
    rgba(6,12,26,.60) 34%,
    rgba(6,12,26,.22) 62%,
    rgba(6,12,26,.30) 100%);
}

.hero__in{
  position:relative;
  width:100%; max-width:1120px; margin-inline:auto;
  padding:0 24px 88px;
  color:#fff;
}

.hero h1{
  font-size:clamp(40px,7vw,88px);
  font-weight:600;
  letter-spacing:-0.035em;
  line-height:1.02;
  margin:0;
  max-width:12ch;
}

.hero__sub{
  font-size:clamp(17px,2.1vw,21px);
  color:rgba(255,255,255,.86);
  margin:18px 0 0;
  max-width:34ch;
}

.hero__acts{ display:flex; flex-wrap:wrap; gap:12px; margin-top:34px; }

/* ---------- botões ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-size:16px; font-weight:500; letter-spacing:-0.01em;
  padding:13px 26px; border-radius:980px;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ text-decoration:none; }

.btn--primary{ background:var(--blue); color:#fff; }
.btn--primary:hover{ background:var(--blue-dk); }

.btn--ghost{ border:1px solid rgba(255,255,255,.55); color:#fff; }
.btn--ghost:hover{ background:rgba(255,255,255,.12); border-color:#fff; }

/* amarelo — uso 1 de 3 */
.btn--yellow{ background:var(--yellow); color:#1D1D1F; font-weight:600; }
.btn--yellow:hover{ background:#e7b400; }

/* =============================================================
   2. DECLARAÇÃO
============================================================= */
.declara{ padding-block:calc(var(--pad) + 20px); }
.declara__txt{
  max-width:960px; margin-inline:auto;
  padding-inline:24px;
  text-align:center;
  font-size:clamp(26px,3.6vw,41px);
  font-weight:600;
  letter-spacing:-0.03em;
  line-height:1.16;
}

/* =============================================================
   3. SEGMENTOS
============================================================= */
.cards{
  display:grid; gap:24px;
  grid-template-columns:repeat(3,1fr);
  margin-top:56px;
}

.card{
  background:var(--bg);
  border-radius:18px;
  overflow:hidden;
  display:flex; flex-direction:column;
}
.card img{
  width:100%; aspect-ratio:4/3; object-fit:cover;
  filter:saturate(.9);
}
.card__txt{ padding:26px 24px 30px; }
.card__faixa{
  margin:0 0 12px;
  font-size:14px; font-weight:500; letter-spacing:.01em;
  color:var(--blue);
}
.card__txt p:last-child{ margin:0; color:var(--ink-2); font-size:16.5px; }

/* =============================================================
   4. MÉTODO
============================================================= */
.duos{ display:flex; flex-direction:column; gap:100px; margin-top:64px; }

.duo{
  display:grid; align-items:center; gap:56px;
  grid-template-columns:1fr 1fr;
}
.duo img{
  width:100%; aspect-ratio:4/3; object-fit:cover;
  border-radius:18px;
  filter:saturate(.9);
}
.duo--flip .duo__txt{ order:2; }
.duo__txt p{ margin:0; color:var(--ink-2); font-size:clamp(16.5px,1.7vw,19px); max-width:44ch; }

/* =============================================================
   5. ESTRUTURA
============================================================= */
.grid-est{
  list-style:none; margin:56px 0 0; padding:0;
  display:grid; gap:2px;
  grid-template-columns:repeat(4,1fr);
  background:var(--line);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
}
.grid-est li{
  background:var(--bg-alt);
  padding:36px 24px 32px;
  display:flex; flex-direction:column; gap:16px;
}
.grid-est svg{
  width:30px; height:30px;
  fill:none; stroke:var(--blue); stroke-width:1.5;
  stroke-linecap:round; stroke-linejoin:round;
}
.grid-est span{ font-size:16px; letter-spacing:-0.015em; }

/* =============================================================
   6. FRASE DA ESCOLA
============================================================= */
.frase{
  background:var(--bg-alt);
  padding-block:calc(var(--pad) + 24px);
  text-align:center;
}
.frase__eyebrow{
  margin:0 0 22px;
  font-size:13px; font-weight:500; letter-spacing:.09em; text-transform:uppercase;
  color:var(--ink-2);
  position:relative; display:inline-block; padding-bottom:14px;
}
/* amarelo — uso 2 de 3 */
.frase__eyebrow::after{
  content:""; position:absolute; left:50%; bottom:0;
  width:34px; height:2px; margin-left:-17px;
  background:var(--yellow);
}
.frase__txt{
  margin:0 auto;
  max-width:15ch;
  font-size:clamp(32px,5.6vw,64px);
  font-weight:600;
  letter-spacing:-0.035em;
  line-height:1.08;
}
.frase__words{
  list-style:none; margin:52px auto 0; padding:0;
  max-width:760px;
  display:flex; flex-wrap:wrap; justify-content:center;
  gap:10px 12px;
}
.frase__words li{
  font-size:clamp(14px,1.6vw,17px);
  font-weight:500;
  letter-spacing:-0.01em;
  color:var(--ink-2);
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:980px;
  padding:8px 17px;
}
.js-ready .frase__words li{
  opacity:0; transform:translateY(20px);
  transition:opacity .6s ease-out, transform .6s ease-out;
  transition-delay:calc(var(--i,0) * 45ms);
}
.js-ready .frase__words.is-in li{ opacity:1; transform:none; }

/* =============================================================
   7. FICHA TÉCNICA
============================================================= */
.specs{ margin:44px 0 0; border-top:1px solid var(--line); }
.specs > div{
  display:grid; grid-template-columns:190px 1fr; gap:24px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.specs dt{ font-size:15.5px; color:var(--ink-2); }
.specs dd{ margin:0; font-size:16.5px; letter-spacing:-0.015em; }

/* =============================================================
   8. CTA
============================================================= */
.cta{
  background:var(--blue);
  color:#fff;
  padding:calc(var(--pad) - 8px) 0;
  text-align:center;
}
.cta__h{
  margin:0;
  font-size:clamp(32px,5vw,58px);
  font-weight:600; letter-spacing:-0.035em; line-height:1.05;
}
.cta__p{
  margin:20px auto 34px;
  max-width:46ch;
  font-size:clamp(17px,2vw,20px);
  color:rgba(255,255,255,.85);
}

/* =============================================================
   9. RODAPÉ
============================================================= */
.rod{ background:var(--bg-alt); padding:72px 0 34px; font-size:14.5px; color:var(--ink-2); }
.rod__in{ display:grid; grid-template-columns:1fr 1fr 1.2fr; gap:48px; }
.rod h4{ margin:0 0 12px; font-size:14.5px; font-weight:600; color:var(--ink); letter-spacing:-0.01em; }
.rod p{ margin:0; line-height:1.75; }
.rod a{ color:var(--ink-2); }
.rod a:hover{ color:var(--blue); }

/* amarelo — uso 3 de 3 (a marca no rodapé) */
.rod__col--brand img{
  width:52px; height:auto; margin-bottom:16px;
  background:var(--blue); border-radius:12px; padding:8px;
}

.rod__col--map iframe{
  width:100%; height:200px; border:0;
  border-radius:var(--r-s);
  filter:saturate(.9);
}

.rod__base{
  margin-top:48px; padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
}
.rod__base p{ margin:0; }

/* =============================================================
   WHATSAPP FLUTUANTE
============================================================= */
.zap{
  position:fixed; right:20px; bottom:20px; z-index:90;
  width:52px; height:52px; border-radius:50%;
  background:var(--blue); color:#fff;
  display:grid; place-items:center;
  box-shadow:0 4px 16px rgba(0,0,0,.16);
  transition:background-color .2s ease;
}
.zap:hover{ background:var(--blue-dk); }
.zap svg{ width:26px; height:26px; fill:currentColor; }

/* =============================================================
   REVEAL
============================================================= */
/* Só esconde quando o JS assumiu o controle (classe .js-ready gravada
   inline no <head>). Sem JS, tudo nasce visível. */
.js-ready .reveal{
  opacity:0; transform:translateY(20px);
  transition:opacity .6s ease-out, transform .6s ease-out;
}
.js-ready .reveal.is-in{ opacity:1; transform:none; }

/* =============================================================
   RESPONSIVO
============================================================= */
@media (max-width:980px){
  .cards{ grid-template-columns:1fr; max-width:520px; }
  .grid-est{ grid-template-columns:repeat(2,1fr); }
  .rod__in{ grid-template-columns:1fr 1fr; }
  .rod__col--map{ grid-column:1 / -1; }
}

@media (max-width:760px){
  :root{ --pad:80px; }

  .nav__links, .nav__cta{ display:none; }
  .nav__burger{ display:flex; }

  .hero{ min-height:min(88svh,720px); }
  .hero__in{ padding-bottom:56px; }
  .hero__img{ object-position:50% 26%; }
  .hero h1{ max-width:9ch; }
  .hero__acts .btn{ flex:1 1 auto; }

  .duos{ gap:64px; margin-top:48px; }
  .duo{ grid-template-columns:1fr; gap:28px; }
  .duo--flip .duo__txt{ order:0; }
  .duo img{ aspect-ratio:3/2; }

  .cards{ margin-top:40px; }
  .grid-est{ margin-top:40px; }
  .grid-est li{ padding:26px 18px 24px; }

  .specs > div{ grid-template-columns:1fr; gap:6px; padding:18px 0; }

  .rod__in{ grid-template-columns:1fr; gap:36px; }

  .zap{ right:16px; bottom:16px; }
}

@media (max-width:400px){
  .hero__acts{ flex-direction:column; }
  .hero__acts .btn{ width:100%; }
}

/* =============================================================
   ACESSIBILIDADE
============================================================= */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
  }
  .reveal, .frase__words li{ opacity:1 !important; transform:none !important; }
}

@media print{
  .nav,.menu,.zap{ display:none; }
  .hero__veil{ display:none; }
}