/* =========================================================
   Summit School — Landing Cursos de Férias Julho/2026
   Tokens da marca (brandbook) + layout responsivo
   ========================================================= */

:root {
  /* Azul Marine */
  --navy-dark: #101C3C;
  --navy: #15234B;
  --navy-light: #5B6581;
  --navy-lighter: #D0D3DB;
  --navy-lightest: #E7E9ED;

  /* Verde Mint */
  --mint-dark: #34B873;
  --mint: #42E790;
  --mint-light: #7AEEB1;
  --mint-lighter: #D9FAE8;
  --mint-lightest: #ECFCF3;

  /* Cinzas / auxiliares */
  --gray: #808285;
  --gray-dark: #58595B;
  --cloud: #F1F2F2;
  --line: #E7E9ED;
  --paper: #FFFFFF;
  --yellow: #E6AC41;
  --blue-accent: #2f8fd6;
  --red: #E94D44;

  --ink: #101C3C;

  --maxw: 1180px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px -24px rgba(16, 28, 60, .35);
  --shadow-lg: 0 40px 80px -40px rgba(16, 28, 60, .55);
  --ease: cubic-bezier(.2, .7, .2, 1);

  --font: "Work Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 {
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--navy);
  text-wrap: balance; /* evita viúvas/linhas desequilibradas em títulos */
}
h1 { font-weight: 900; font-size: clamp(2rem, 7.4vw, 4.6rem); }
h2 { font-weight: 900; font-size: clamp(1.7rem, 4vw, 2.9rem); }
h3 { font-weight: 700; }

/* Evita palavra órfã (viúva) na última linha de textos corridos */
p, li, .card-sub, .section-sub, .hero-lead, .cta-lead { text-wrap: pretty; }

/* Palavras longas/hifenizadas não estouram a caixa */
.card-title, .section-head h2, p { overflow-wrap: break-word; }

.eyebrow {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .76rem;
  color: var(--mint-dark);
  margin-bottom: 14px;
}
.eyebrow-light { color: var(--mint); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 28, 60, .72);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(16, 28, 60, .94);
  box-shadow: 0 14px 34px -22px rgba(0, 0, 0, .8);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 40px; width: auto; }
.footer-logo { height: 54px; width: auto; margin-bottom: 20px; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav > a {
  font-weight: 500;
  font-size: .95rem;
  color: #fff;
  position: relative;
  padding: 4px 0;
}
.nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--mint);
  transition: width .3s var(--ease);
}
.nav > a:not(.nav-cta):hover { color: var(--mint); }
.nav > a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: var(--mint);
  color: var(--navy-dark) !important;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.nav-cta:hover { background: var(--mint-light); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px; height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  background: radial-gradient(120% 120% at 80% 0%, #1c2f63 0%, var(--navy) 45%, var(--navy-dark) 100%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.topo-lines {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(66,231,144,.06) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(65deg, rgba(255,255,255,.035) 0 1px, transparent 1px 48px);
  mask-image: radial-gradient(80% 80% at 50% 30%, #000 40%, transparent 100%);
}
.hero-mountains { position: absolute; bottom: -1px; left: 0; width: 100%; height: 46%; opacity: .9; }
.hero-flag {
  position: absolute;
  top: 8%; right: -3%;
  width: clamp(220px, 32vw, 460px);
  opacity: .10;
  transform: rotate(-8deg);
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.3));
}

.hero-inner {
  position: relative;
  padding-block: clamp(72px, 12vw, 132px) clamp(80px, 12vw, 150px);
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}
.kicker {
  display: inline-block;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .78rem;
  color: var(--mint);
  border: 1px solid rgba(66,231,144,.4);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero h1 .hl { color: var(--mint); white-space: nowrap; }
.br-d { display: inline; } /* quebras forçadas só no desktop (ocultas no mobile) */
.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  font-weight: 300;
  color: rgba(255,255,255,.82);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 38px;
}
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-bottom: 54px; }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(28px, 6vw, 64px);
  list-style: none;
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 30px;
  text-align: center;
}
.hero-facts li { display: flex; flex-direction: column; align-items: center; }
.hero-facts strong { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 900; color: var(--mint); line-height: 1; }
.hero-facts span { font-size: .82rem; color: rgba(255,255,255,.7); font-weight: 300; margin-top: 8px; letter-spacing: .02em; }

/* =========================================================
   BOTÕES
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: 999px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-mint { background: var(--mint); color: var(--navy-dark); box-shadow: 0 14px 30px -14px rgba(66,231,144,.7); }
.btn-mint:hover { background: var(--mint-light); box-shadow: 0 20px 36px -14px rgba(66,231,144,.85); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--mint-dark); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }
.btn-sm { padding: 10px 18px; font-size: .9rem; }
.btn-lg { padding: 17px 34px; font-size: 1.08rem; }

/* =========================================================
   BARRA DE URGÊNCIA
   ========================================================= */
.urgency {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-dark);
  color: #fff;
  box-shadow: 0 6px 20px -12px rgba(0, 0, 0, .5);
  transition: box-shadow .3s var(--ease);
}
.urgency.scrolled { box-shadow: 0 14px 34px -18px rgba(0, 0, 0, .85); }
.urgency-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px 22px;
  padding-block: 18px;
}
.urgency-tag {
  background: var(--yellow);
  color: var(--navy-dark);
  font-weight: 700;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 6px 14px;
  border-radius: 999px;
}
.urgency p { margin: 0; font-weight: 300; color: rgba(255,255,255,.9); }
.urgency strong { font-weight: 700; color: #fff; }
.urgency-link { font-weight: 600; color: var(--mint); white-space: nowrap; }
.urgency-link:hover { color: var(--mint-light); }

/* =========================================================
   SECTIONS
   ========================================================= */
.section { padding-block: clamp(64px, 9vw, 110px); }
.section-alt { background: var(--cloud); }

.section-head { max-width: 680px; margin-bottom: clamp(40px, 6vw, 64px); }
.section-head h2 { margin-bottom: 16px; }
.section-sub { color: var(--gray-dark); font-size: 1.08rem; font-weight: 300; }

/* ---------- Grid de cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
}
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: var(--mint);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { transform: scaleY(1); }

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
/* Badges unificados: contorno arredondado + texto, ambos em #101C3C, sem efeitos */
.cat,
.cat-mint,
.cat-blue,
.cat-yellow,
.hours {
  font-weight: 700;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: 6px 12px;
  border-radius: 999px;
  background: transparent;
  color: #101C3C;
  border: 1px solid #101C3C;
  box-shadow: none;
}
.hours { font-size: .82rem; }

.card-title { font-size: 1.5rem; color: var(--navy); margin-bottom: 8px; }
.card-sub { font-weight: 500; color: var(--gray-dark); margin-bottom: 20px; }

.meta { list-style: none; display: grid; gap: 8px; margin-bottom: 20px; padding: 18px; background: var(--cloud); border-radius: var(--radius-sm); }
.section-alt .meta { background: #fff; }
.meta li { font-size: .92rem; color: var(--navy); font-weight: 500; }
.meta span {
  display: inline-block;
  min-width: 66px;
  font-weight: 700;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray);
}

.card-text { font-size: .96rem; color: #3a4258; font-weight: 300; margin-bottom: 14px; }
.card-text strong { font-weight: 700; color: var(--navy); }
.card-text em { font-style: italic; color: var(--mint-dark); font-weight: 500; }

.card-foot {
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.cefr { font-weight: 600; font-size: .8rem; color: var(--navy-light); }

/* =========================================================
   PROFESSORES
   ========================================================= */
.teacher-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.teacher {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  background: var(--paper);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.teacher:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.teacher-photo {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 22%;
  margin-bottom: 22px;
  background: var(--navy-lightest);
  box-shadow: 0 0 0 4px var(--mint-lighter), 0 12px 24px -12px rgba(16, 28, 60, .55);
}
.teacher h3 { font-size: 1.3rem; color: var(--navy); }
.teacher-role { font-weight: 600; color: var(--mint-dark); font-size: .86rem; margin: 4px 0 14px; }
.teacher p { color: var(--gray-dark); font-weight: 300; font-size: .96rem; }

/* =========================================================
   CTA FINAL
   ========================================================= */
.cta-final {
  position: relative;
  background: radial-gradient(120% 140% at 20% 0%, #1c2f63 0%, var(--navy) 50%, var(--navy-dark) 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-inner { padding-block: clamp(72px, 11vw, 124px); position: relative; }
.cta-flag {
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 180px;
  opacity: .12;
}
.cta-final h2 { color: #fff; max-width: 760px; margin: 0 auto 18px; }
.cta-lead { color: rgba(255,255,255,.82); font-weight: 300; font-size: 1.12rem; max-width: 560px; margin: 0 auto 34px; }
.cta-lead strong { color: var(--mint); font-weight: 700; }
.cta-fine { margin-top: 20px; font-size: .85rem; font-weight: 300; color: rgba(255,255,255,.6); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,.72); padding-top: clamp(56px, 8vw, 88px); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand-word { margin-bottom: 18px; }
.footer-brand p { font-weight: 300; font-size: .95rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 18px; }
.footer-col p { font-weight: 300; font-size: .92rem; margin-bottom: 12px; }
.footer-col a { transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--mint); }
.footer-links { list-style: none; display: grid; gap: 10px; }
.footer-links a { font-size: .92rem; font-weight: 300; }

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-block: 26px;
  margin-top: 8px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .82rem;
  font-weight: 300;
  color: rgba(255,255,255,.5);
}

/* =========================================================
   WHATSAPP FLUTUANTE
   ========================================================= */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  width: 58px; height: 58px;
  display: grid;
  place-items: center;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 14px 30px -8px rgba(37,211,102,.6);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 18px 36px -8px rgba(37,211,102,.8); }

/* =========================================================
   REVEAL (load + scroll)
   ========================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal:nth-child(1) { transition-delay: .05s; }
.hero .reveal:nth-child(2) { transition-delay: .15s; }
.hero .reveal:nth-child(3) { transition-delay: .28s; }
.hero .reveal:nth-child(4) { transition-delay: .4s; }
.hero .reveal:nth-child(5) { transition-delay: .52s; }

.card, .teacher { opacity: 0; transform: translateY(28px); transition: opacity .6s var(--ease), transform .6s var(--ease), box-shadow .35s var(--ease); }
.card.in, .teacher.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .001ms !important; animation: none !important; }
  .reveal, .card, .teacher { opacity: 1; transform: none; }
}

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width: 860px) {
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--navy-dark);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    padding: 18px clamp(20px, 5vw, 48px) 26px;
    box-shadow: 0 24px 40px -28px rgba(0, 0, 0, .8);
    transform: translateY(-130%);
    transition: transform .35s var(--ease);
  }
  .nav.open { transform: translateY(0); }
  .nav > a { padding: 12px 0; font-size: 1.05rem; }
  .nav-cta { text-align: center; margin-top: 8px; }
  .nav-toggle { display: flex; }
}

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Refinos mobile (≤ 600px) ---------- */
@media (max-width: 600px) {
  /* quebras forçadas do H1 saem; o título reflui naturalmente e fica balanceado */
  .br-d { display: none; }

  /* Header sticky (barra de desconto) é mais alto no mobile: ajusta offset e compacta */
  html { scroll-padding-top: 150px; }
  .urgency-inner { padding-block: 12px; gap: 8px 18px; }
  .urgency-tag { font-size: .68rem; padding: 5px 12px; }
  .urgency p { font-size: .9rem; }

  /* Centralização do hero/desconto agora é base (vale também no desktop) */
  .hero-inner { padding-block: clamp(48px, 14vw, 80px) clamp(56px, 16vw, 96px); }
  .hero h1 { margin-bottom: 20px; }
  .hero-lead { font-size: 1.05rem; margin-bottom: 30px; }

  /* CTAs do hero: largura total, empilhados, com alvo de toque confortável */
  .hero-actions { gap: 12px; margin-bottom: 44px; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Estatísticas: cada bloco íntegro, sem estourar a viewport */
  .hero-facts { gap: 18px 26px; padding-top: 24px; }
  .hero-facts li { flex: 0 1 auto; }
  .hero-facts strong { font-size: 1.5rem; white-space: nowrap; }
  .hero-facts span { font-size: .78rem; }

  /* Seções e cards com respiro proporcional à tela */
  .section-head { margin-bottom: 32px; }
  .section-sub { font-size: 1rem; }
  .card { padding: 26px 22px; }
  .card-title { font-size: 1.32rem; }
  .meta { padding: 16px; }

  .teacher { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .urgency-link { margin-left: 0; }
  .card-foot { flex-direction: column; align-items: stretch; gap: 16px; }
  .card-foot .cefr { order: 2; text-align: center; }
  .card-foot .btn { order: 1; width: 100%; justify-content: center; }
}