/* ═══════════════════════════════════════════════════════
   EduIndex Site — main.css
   Paleta: #0a1628 dark | #F9BE08 accent | #1a56db primary
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@700;800;900&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: #0a1628;
  color: #e2e8f0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ── Variables ─────────────────────────────────────────── */
:root {
  --c-dark:    #0a1628;
  --c-dark2:   #071020;
  --c-card:    #0f1e34;
  --c-border:  rgba(255,255,255,.08);
  --c-accent:  #F9BE08;
  --c-accent-d:#d9a200;
  --c-primary: #1a56db;
  --c-muted:   #64748b;
  --c-success: #22c55e;
  --font-head: 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-md: 0 8px 30px rgba(0,0,0,.25);
}

/* ── Layout ────────────────────────────────────────────── */
.ei-container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.ei-section   { padding: 88px 0; }

/* ── Typography ────────────────────────────────────────── */
.ei-h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  color: #fff;
  line-height: 1.08;
  letter-spacing: -.03em;
}
.ei-h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 900;
  color: #fff;
  line-height: 1.12;
  letter-spacing: -.025em;
}
.ei-h2 span { color: var(--c-accent); }
.ei-h2.dark { color: #0f1e34; }
.ei-h2.dark span { color: var(--c-primary); }
.ei-highlight {
  background: linear-gradient(135deg, #F9BE08, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ei-section-label {
  display: inline-block;
  background: rgba(249,190,8,.1);
  color: var(--c-accent);
  border: 1px solid rgba(249,190,8,.25);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 14px;
  margin-bottom: 14px;
}
.ei-section-label.blue {
  background: rgba(26,86,219,.1);
  color: #93c5fd;
  border-color: rgba(26,86,219,.25);
}
.ei-section-head { text-align: center; margin-bottom: 52px; }
.ei-section-sub  { color: #cbd5e1; font-size: 17px; max-width: 560px; margin: 12px auto 0; line-height: 1.7; }
.ei-section-sub.dark { color: #b8c4d0; }

/* ── Buttons ───────────────────────────────────────────── */
.ei-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  border: none;
  transition: all .2s;
  white-space: nowrap;
  text-decoration: none;
}
.ei-btn-primary {
  background: var(--c-accent);
  color: #0a1628;
  box-shadow: 0 4px 20px rgba(249,190,8,.3);
}
.ei-btn-primary:hover { background: var(--c-accent-d); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(249,190,8,.4); }
.ei-btn-primary.large { padding: 15px 36px; font-size: 16px; }
.ei-btn-ghost {
  color: #cbd5e1;
  border: 1px solid rgba(255,255,255,.12);
  background: transparent;
}
.ei-btn-ghost:hover { color: #fff; border-color: rgba(255,255,255,.4); }
.ei-btn-outline {
  background: transparent;
  border: 2px solid var(--c-accent);
  color: var(--c-accent);
}
.ei-btn-outline:hover { background: var(--c-accent); color: #0a1628; }
.ei-btn-pix {
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.3);
  color: #4ade80;
}
.ei-btn-pix:hover { background: rgba(34,197,94,.2); }
.ei-btn-teams {
  background: #5553C1;
  color: #fff;
}
.ei-btn-teams:hover { background: #4441a8; transform: translateY(-2px); }

/* ── NAV ───────────────────────────────────────────────── */
.ei-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: all .3s;
}
.ei-nav.scrolled {
  background: rgba(10,22,40,.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
}
.ei-nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.ei-nav-logo img { height: 36px; width: auto; }
.ei-nav-links { display: flex; align-items: center; gap: 2px; }
.ei-nav-links a {
  color: #cbd5e1;
  font-size: 14px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: all .2s;
  position: relative;
}
.ei-nav-links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.ei-nav-links a.active { color: #fff; }

/* Dropdown */
.ei-dropdown { position: relative; }
.ei-dropdown > a::after { content: ' ▾'; font-size: 10px; }
.ei-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #0f1e34;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  min-width: 260px;
  padding: 8px;
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
  z-index: 100;
}
.ei-dropdown:hover .ei-dropdown-menu { display: block; }
.ei-dropdown-menu a {
  display: block;
  padding: 10px 14px;
  color: #cbd5e1;
  font-size: 13px;
  border-radius: 8px;
  transition: all .2s;
}
.ei-dropdown-menu a:hover { background: rgba(255,255,255,.06); color: #fff; }

.ei-nav-cta { display: flex; align-items: center; gap: 10px; }
.ei-nav-cta-btn {
  background: var(--c-accent);
  color: #0a1628;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  transition: all .2s;
}
.ei-nav-cta-btn:hover { background: var(--c-accent-d); }

/* Mobile nav */
.ei-nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: #cbd5e1;
  font-size: 22px;
  cursor: pointer;
}
.ei-nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10,22,40,.98);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.ei-nav-mobile.open { display: flex; }
.ei-nav-mobile a {
  color: #cbd5e1;
  font-size: 20px;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  transition: all .2s;
  text-align: center;
}
.ei-nav-mobile a:hover { color: #fff; background: rgba(255,255,255,.06); }
.ei-nav-mobile-close {
  position: absolute;
  top: 20px; right: 20px;
  background: none; border: none;
  color: #b8c4d0; font-size: 28px; cursor: pointer;
}

/* ── HOME — Hero ───────────────────────────────────────── */
.ei-home-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  background: var(--c-dark);
}
.ei-home-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.ei-home-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(249,190,8,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,190,8,.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.ei-home-glow {
  position: absolute; border-radius: 50%;
  filter: blur(140px); opacity: .15;
  animation: glowFloat 8s ease-in-out infinite alternate;
}
.ei-home-glow.g1 { width: 600px; height: 600px; background: #F9BE08; top: -200px; right: -150px; }
.ei-home-glow.g2 { width: 400px; height: 400px; background: #1a56db; bottom: -100px; left: -100px; animation-delay: 3s; }
@keyframes glowFloat { from { transform: translate(0,0) scale(1); } to { transform: translate(30px,20px) scale(1.1); } }

.ei-home-logo {
  position: relative;
  margin-bottom: 32px;
  animation: fadeDown .8s ease both;
}
.ei-home-logo img {
  height: 100px;
  width: auto;
  filter: drop-shadow(0 0 30px rgba(249,190,8,.3));
}
@keyframes fadeDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }

.ei-home-welcome {
  font-family: var(--font-head);
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 900;
  color: #fff;
  letter-spacing: -.03em;
  line-height: 1.05;
  margin-bottom: 12px;
  position: relative;
  animation: fadeUp .8s .1s ease both;
}
.ei-home-sub {
  font-size: clamp(18px, 2.5vw, 26px);
  color: #b8c4d0;
  font-weight: 500;
  margin-bottom: 56px;
  position: relative;
  animation: fadeUp .8s .2s ease both;
}
@keyframes fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

/* ── HOME — Cards ──────────────────────────────────────── */
.ei-home-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1160px;
  width: 100%;
  position: relative;
  animation: fadeUp .8s .3s ease both;
}
.ei-home-card {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all .3s;
  text-align: left;
  position: relative;
  overflow: hidden;
}
.ei-home-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(249,190,8,.06), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.ei-home-card:hover { transform: translateY(-6px); border-color: rgba(249,190,8,.3); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.ei-home-card:hover::before { opacity: 1; }
.ei-home-card-icon { font-size: 40px; line-height: 1; }
.ei-home-card-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
}
.ei-home-card-desc { color: #b8c4d0; font-size: 13px; line-height: 1.7; flex: 1; }
.ei-home-card .ei-btn { margin-top: 4px; width: 100%; }

/* ── PAGE HERO (inner pages) ───────────────────────────── */
.ei-page-hero {
  background: var(--c-dark);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.ei-page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(249,190,8,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,190,8,.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.ei-page-hero-content { position: relative; }
.ei-page-hero p { color: #cbd5e1; font-size: 17px; max-width: 640px; margin: 16px auto 0; line-height: 1.75; }

/* ── INDICADORES grid ──────────────────────────────────── */
.ei-ind-section { background: #f8fafc; }
.ei-ind-section .ei-section-label { background: rgba(26,86,219,.08); color: #1a56db; border-color: rgba(26,86,219,.2); }
.ei-plat-badges { display: flex; gap: 10px; justify-content: center; margin-bottom: 36px; flex-wrap: wrap; }
.ei-plat {
  background: var(--c-dark); color: var(--c-accent);
  border: 1px solid var(--c-border); border-radius: 6px;
  font-size: 13px; font-weight: 700; padding: 6px 16px; letter-spacing: .05em;
}
.ei-ind-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.ei-ind-item {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid #e2e8f0; border-radius: var(--radius-md);
  padding: 16px 20px; transition: all .25s;
}
.ei-ind-item:hover { border-color: #1a56db; box-shadow: 0 4px 16px rgba(26,86,219,.1); transform: translateY(-2px); }
.ei-ind-icon { font-size: 22px; flex-shrink: 0; }
.ei-ind-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.ei-ind-info strong { font-size: 14px; font-weight: 700; color: #0f1e34; }
.ei-ind-info span   { font-size: 12px; color: #b8c4d0; }
.ei-ind-check { color: #22c55e; font-weight: 900; font-size: 16px; flex-shrink: 0; }

/* ── PLANOS cards ──────────────────────────────────────── */
.ei-planos-section { background: var(--c-dark); }
.ei-planos-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}
.ei-plano-card {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all .3s;
}
.ei-plano-card:hover { transform: translateY(-6px); }
.ei-plano-card.destaque {
  background: #fff;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 2px var(--c-accent), 0 30px 60px rgba(0,0,0,.25);
  transform: scale(1.03);
}
.ei-plano-card.destaque:hover { transform: scale(1.03) translateY(-6px); }
.ei-plano-ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-accent); color: #0a1628;
  font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em;
  padding: 4px 18px; border-radius: 100px; white-space: nowrap;
}
.ei-plano-nome {
  font-family: var(--font-head); font-size: 16px; font-weight: 800;
  color: #b8c4d0; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 12px;
}
.ei-plano-card.destaque .ei-plano-nome { color: #a8b8c8; }
.ei-plano-preco { display: flex; align-items: baseline; gap: 2px; margin-bottom: 6px; }
.ei-preco-moeda { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--c-accent); }
.ei-preco-val   { font-family: var(--font-head); font-size: 52px; font-weight: 900; color: #fff; line-height: 1; }
.ei-preco-per   { font-size: 15px; color: #b8c4d0; }
.ei-plano-card.destaque .ei-preco-val { color: #0f1e34; }
.ei-plano-card.destaque .ei-preco-moeda { color: var(--c-primary); }
.ei-plano-sub { font-size: 12px; color: #b8c4d0; margin-bottom: 6px; }
.ei-plano-economia {
  display: inline-block; background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.25);
  color: #22c55e; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 8px; margin-bottom: 20px;
}
.ei-plano-items { flex: 1; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.ei-plano-items li { color: #cbd5e1; font-size: 14px; display: flex; gap: 10px; align-items: flex-start; }
.ei-plano-items li span { font-weight: 900; flex-shrink: 0; margin-top: 1px; }
.ei-plano-items li span.ok { color: #22c55e; }
.ei-plano-items li span.no { color: #ef4444; }
.ei-plano-card.destaque .ei-plano-items li { color: #94a3b8; }
.ei-plano-btns { display: flex; flex-direction: column; gap: 10px; margin-top: auto; }
.ei-plano-nota { text-align: center; color: #b8c4d0; font-size: 13px; margin-top: 28px; }
.ei-plano-nota strong { color: #fca5a5; }

/* ── MENTORIA page ─────────────────────────────────────── */
.ei-mentoria-content { background: var(--c-dark); }
.ei-mentoria-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-xl); padding: 48px;
  max-width: 800px; margin: 0 auto;
}
.ei-mentoria-card p { color: #cbd5e1; font-size: 16px; line-height: 1.85; margin-bottom: 20px; }
.ei-mentoria-list { display: flex; flex-direction: column; gap: 12px; margin: 28px 0; }
.ei-mentoria-list li { display: flex; align-items: flex-start; gap: 12px; color: #cbd5e1; font-size: 15px; }
.ei-mentoria-list li::before { content: '✔'; color: var(--c-accent); font-weight: 900; flex-shrink: 0; margin-top: 2px; }
.ei-mentoria-price {
  background: rgba(249,190,8,.06); border: 1px solid rgba(249,190,8,.2);
  border-radius: var(--radius-lg); padding: 28px 32px; margin: 28px 0; text-align: center;
}
.ei-mentoria-price .price { font-family: var(--font-head); font-size: 42px; font-weight: 900; color: var(--c-accent); }
.ei-mentoria-price .price-sub { color: #b8c4d0; font-size: 14px; margin-top: 6px; }
.ei-mentoria-note { color: #b8c4d0; font-size: 13px; text-align: center; margin-top: 16px; font-style: italic; }

/* ── SALA AO VIVO page ─────────────────────────────────── */
.ei-sala-content { background: var(--c-dark); }
.ei-sala-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-xl); padding: 48px;
  max-width: 860px; margin: 0 auto;
}
.ei-sala-alert {
  background: rgba(249,190,8,.08); border: 1px solid rgba(249,190,8,.25);
  border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 32px;
}
.ei-sala-alert strong { color: var(--c-accent); font-size: 16px; display: block; margin-bottom: 8px; }
.ei-sala-alert p { color: #cbd5e1; font-size: 14px; line-height: 1.7; }
.ei-teams-btns { display: flex; gap: 14px; margin: 24px 0 36px; flex-wrap: wrap; }
.ei-iframe-wrap {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--c-border);
  background: #071020;
}

/* ── FOOTER ────────────────────────────────────────────── */
.ei-footer {
  background: #040d1a;
  border-top: 1px solid var(--c-border);
  padding: 56px 0 28px;
}
.ei-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.ei-footer-brand-logo img { height: 48px; width: auto; margin-bottom: 16px; }
.ei-footer-brand-desc { color: #a8b8c8; font-size: 13px; line-height: 1.7; max-width: 260px; margin-bottom: 20px; }
.ei-footer-social { display: flex; gap: 10px; }
.ei-footer-social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.05); border: 1px solid var(--c-border);
  border-radius: 9px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all .2s;
}
.ei-footer-social a:hover { background: rgba(255,255,255,.1); border-color: var(--c-accent); }
.ei-footer-col h4 {
  color: #fff; font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px;
}
.ei-footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.ei-footer-col ul li a { color: #a8b8c8; font-size: 13px; transition: color .2s; }
.ei-footer-col ul li a:hover { color: var(--c-accent); }
.ei-footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.ei-footer-copy { color: #94a3b8; font-size: 12px; }

/* ── Back to top ───────────────────────────────────────── */
#ei-back-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  width: 46px; height: 46px;
  background: var(--c-accent); color: #0a1628;
  border: none; border-radius: 12px;
  font-size: 20px; font-weight: 900;
  cursor: pointer; display: none; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(249,190,8,.4);
  transition: all .2s;
}
#ei-back-top:hover { transform: translateY(-3px); background: var(--c-accent-d); }
#ei-back-top.visible { display: flex; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ei-home-cards { grid-template-columns: repeat(2,1fr); }
  .ei-ind-grid { grid-template-columns: repeat(2,1fr); }
  .ei-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .ei-home-cards { grid-template-columns: 1fr; }
  .ei-planos-grid { grid-template-columns: 1fr; }
  .ei-plano-card.destaque { transform: scale(1); }
  .ei-ind-grid { grid-template-columns: 1fr; }
  .ei-section { padding: 64px 0; }
  .ei-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .ei-footer-bottom { flex-direction: column; text-align: center; }
  .ei-nav-links, .ei-nav-cta { display: none; }
  .ei-nav-mobile-btn { display: block; }
  .ei-mentoria-card, .ei-sala-card { padding: 28px 20px; }
  .ei-teams-btns { flex-direction: column; }
}