/* ==========================================================================
   MY OWN ENGLISH — Design System
   Colors, type and layout tokens taken directly from the brand book:
   Deep Plum / Royal Purple / Orchid / Warm Gray, Baloo 2 + Poppins.
   ========================================================================== */

:root{
  --plum:      #3F095E;   /* dark background, footer, headlines on light */
  --royal:     #500089;   /* secondary brand purple */
  --orchid:    #B15BE3;   /* accent — buttons, links, highlights */
  --orchid-soft: #E7CFF7; /* tints, hover backgrounds */
  --gray:      #919191;
  --ink:       #1A1A1A;
  --paper:     #FFFFFF;
  --cream:     #FBF8FD;

  --font-head: 'Baloo 2', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --font-script: 'Caveat', cursive;

  --max: 1180px;
  --radius: 18px;
  --gap: clamp(1.5rem, 4vw, 3rem);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  color:var(--plum);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:700;
}
h1{ font-size:clamp(2.2rem,5vw,3.4rem); }
h2{ font-size:clamp(1.7rem,3.4vw,2.4rem); }
h3{ font-size:1.3rem; }
p{ margin:0 0 1em; max-width:65ch; }
a{ color:var(--royal); text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.container{
  max-width:var(--max);
  margin:0 auto;
  padding:0 clamp(1.25rem,4vw,2.5rem);
}
.script{ font-family:var(--font-script); color:var(--orchid); font-size:1.15em; }

/* Buttons -------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-head);
  font-weight:600;
  font-size:1rem;
  padding:.85em 1.7em;
  border-radius:999px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--orchid); color:var(--paper); }
.btn-primary:hover{ background:var(--royal); }
.btn-outline{ background:transparent; border-color:var(--paper); color:var(--paper); }
.btn-outline:hover{ background:var(--paper); color:var(--plum); }
.btn-outline-dark{ background:transparent; border-color:var(--royal); color:var(--royal); }
.btn-outline-dark:hover{ background:var(--royal); color:var(--paper); }
.btn-whatsapp{ background:#25D366; color:#fff; }
.btn-whatsapp:hover{ background:#1DA851; }
.btn-block{ width:100%; justify-content:center; }

/* Header ----------------------------------------------------------------*/
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(63,9,94,.08);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:.7rem; flex-wrap:nowrap; gap:1rem;
}
.brand{ flex-shrink:0; }
.brand img{ height:34px; }
.main-nav{ min-width:0; }
.main-nav ul{ display:flex; align-items:center; gap:clamp(.9rem,2vw,1.9rem); flex-wrap:nowrap; }
.main-nav li{ flex-shrink:0; }
.main-nav a{
  color:var(--ink); font-weight:600; font-size:.93rem;
  position:relative; padding:.3rem 0; white-space:nowrap;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0;
  background:var(--orchid); transition:width .2s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.main-nav details{ position:relative; }
.main-nav summary{ list-style:none; cursor:pointer; display:flex; align-items:center; gap:.3rem; font-weight:600; white-space:nowrap; }
.main-nav summary::-webkit-details-marker{ display:none; }
.main-nav .dropdown{
  position:absolute; top:130%; left:0; background:var(--paper);
  border-radius:14px; box-shadow:0 18px 40px rgba(63,9,94,.16);
  padding:.6rem; min-width:220px; display:flex; flex-direction:column; gap:.1rem;
}
.main-nav .dropdown a{ padding:.55rem .8rem; border-radius:9px; font-weight:500; }
.main-nav .dropdown a:hover{ background:var(--cream); }
.main-nav .dropdown a::after{ display:none; }
.header-cta{ display:flex; align-items:center; gap:.7rem; flex-shrink:0; }
.header-cta .btn{ white-space:nowrap; padding:.75em 1.3em; font-size:.93rem; }
.nav-toggle{ display:none; }

/* Mobile nav */
@media (max-width:1260px){
  .nav-toggle{
    display:inline-flex; background:none; border:none; cursor:pointer;
    flex-direction:column; gap:5px; padding:.4rem;
  }
  .nav-toggle span{ width:24px; height:2px; background:var(--plum); display:block; }
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--paper);
    transform:translateX(100%); transition:transform .25s ease;
    padding:2rem 1.5rem; overflow-y:auto;
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:.3rem; width:100%; }
  .main-nav li{ width:100%; }
  .main-nav a{ display:block; padding:.9rem 0; width:100%; font-size:1.05rem; }
  .main-nav .dropdown{ position:static; box-shadow:none; margin-left:.8rem; }
  .header-cta .btn-outline-dark{ display:none; }
}

/* Hero wave divider (brand motif) ---------------------------------------*/
.wave-divider{ line-height:0; }
.wave-divider svg{ width:100%; height:auto; display:block; }

/* Hero --------------------------------------------------------------- */
.hero{
  background:var(--plum);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.hero .container{
  display:grid; grid-template-columns:1.1fr 1fr; gap:var(--gap);
  align-items:center; padding-block:clamp(3rem,7vw,5.5rem);
  position:relative; z-index:2;
}
.hero h1{ color:var(--paper); }
.hero p.lead{ font-size:1.15rem; color:#EADFF4; max-width:48ch; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:1rem; margin-top:1.6rem; }
.hero-visual{
  aspect-ratio:1/1; border-radius:32px; position:relative;
  background:linear-gradient(160deg,var(--royal),var(--orchid));
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.hero-visual .ribbon{
  position:absolute; inset:0; opacity:.55;
}
.hero-visual .badge{
  position:relative; z-index:1; text-align:center; color:var(--paper);
  font-family:var(--font-head); font-size:1.4rem; padding:1.5rem;
}
@media (max-width:820px){
  .hero .container{ grid-template-columns:1fr; text-align:left; }
  .hero-visual{ order:-1; max-width:340px; }
}

/* Sections ------------------------------------------------------------- */
section{ padding-block:clamp(3rem,6vw,5rem); }
.section-head{ max-width:640px; margin-bottom:2.5rem; }
.section-head p{ color:#555; }
.bg-cream{ background:var(--cream); }
.bg-plum{ background:var(--plum); color:var(--paper); }
.bg-plum h2, .bg-plum h3{ color:var(--paper); }
.bg-plum p{ color:#EADFF4; }

/* Pill tags (brand "palavras-chave" motif) ------------------------------*/
.pill-row{ display:flex; flex-wrap:wrap; gap:.7rem; }
.pill{
  border:1.5px solid var(--orchid); color:var(--royal);
  border-radius:999px; padding:.5em 1.2em; font-size:.92rem; font-weight:500;
  background:var(--paper);
}
.bg-plum .pill{ background:transparent; border-color:var(--orchid); color:var(--orchid-soft); }

/* Cards ------------------------------------------------------------------*/
.grid{ display:grid; gap:1.6rem; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

.course-card{
  background:var(--paper);
  border:1px solid #ECE1F5;
  border-radius:var(--radius);
  padding:1.9rem;
  display:flex; flex-direction:column; gap:.7rem;
  transition:border-color .2s ease, transform .2s ease;
}
.course-card:hover{ border-color:var(--orchid); transform:translateY(-4px); }
.course-card .tag{
  align-self:flex-start; font-size:.78rem; font-weight:700; letter-spacing:.02em;
  color:var(--royal); background:var(--orchid-soft); padding:.3em .8em; border-radius:999px;
}
.course-card h3{ margin-bottom:.1rem; }
.course-card .cta-row{ margin-top:auto; padding-top:.8rem; }

/* Compare block (differentiator) ---------------------------------------*/
.compare{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem;
}
@media (max-width:820px){ .compare{ grid-template-columns:1fr; } }
.compare-col{ border-radius:var(--radius); padding:1.8rem; }
.compare-col.side{ background:var(--cream); }
.compare-col.center{
  background:var(--plum); color:var(--paper);
  transform:translateY(-10px);
  box-shadow:0 22px 45px rgba(63,9,94,.25);
}
.compare-col h4{ font-family:var(--font-head); margin-bottom:.6rem; }
.compare-col.center h4{ color:var(--paper); }
.compare-col ul{ display:flex; flex-direction:column; gap:.6rem; }
.compare-col li{ padding-left:1.4rem; position:relative; font-size:.95rem; }
.compare-col li::before{ content:"—"; position:absolute; left:0; color:var(--orchid); }
.compare-col.center li::before{ color:var(--orchid-soft); }

/* Testimonials ----------------------------------------------------------*/
.testimonial{
  background:var(--paper); border-radius:var(--radius); padding:1.8rem;
  border:1px solid #ECE1F5; display:flex; flex-direction:column; gap:1rem;
}
.testimonial p.quote{ font-size:1.02rem; color:var(--ink); }
.testimonial .who{ display:flex; align-items:center; gap:.8rem; }
.avatar{
  width:44px; height:44px; border-radius:50%; background:var(--orchid);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-head); font-weight:700;
}
.who .name{ font-weight:600; font-size:.95rem; color:var(--plum); }
.who .role{ font-size:.82rem; color:var(--gray); }

/* Lead form ---------------------------------------------------------------*/
.lead-form{
  background:var(--paper); border-radius:var(--radius); padding:2rem;
  border:1px solid #ECE1F5; box-shadow:0 20px 45px rgba(63,9,94,.10);
}
.lead-form .field{ margin-bottom:1.1rem; display:flex; flex-direction:column; gap:.4rem; }
.lead-form label{ font-size:.86rem; font-weight:600; color:var(--plum); }
.lead-form input, .lead-form select, .lead-form textarea{
  font-family:var(--font-body); font-size:.97rem; padding:.75em .9em;
  border:1.5px solid #E2D3EE; border-radius:10px; background:var(--cream);
  color:var(--ink);
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus{
  outline:2px solid var(--orchid); outline-offset:1px; background:var(--paper);
}
.lead-form .hint{ font-size:.78rem; color:var(--gray); margin-top:.6rem; }
.form-success{
  display:none; background:var(--cream); border:1.5px dashed var(--orchid);
  border-radius:var(--radius); padding:1.6rem; text-align:center; color:var(--plum); font-weight:600;
}

/* Footer ------------------------------------------------------------------*/
.site-footer{ background:var(--plum); color:#DCC9EA; padding-block:3.2rem 1.6rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:2rem; }
@media (max-width:780px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .footer-grid{ grid-template-columns:1fr; } }
.site-footer img{ height:34px; margin-bottom:.9rem; }
.site-footer h5{ color:#fff; font-family:var(--font-head); font-size:.95rem; margin-bottom:.9rem; }
.site-footer a{ color:#DCC9EA; }
.site-footer a:hover{ color:#fff; }
.site-footer li{ margin-bottom:.55rem; font-size:.92rem; }
.footer-bottom{
  margin-top:2.6rem; padding-top:1.6rem; border-top:1px solid rgba(255,255,255,.12);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.8rem;
  font-size:.82rem; color:#B79ECB;
}

/* Floating WhatsApp button -------------------------------------------------*/
.whatsapp-float{
  position:fixed; right:1.3rem; bottom:1.3rem; z-index:200;
  background:#25D366; color:#fff; width:58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(0,0,0,.25); transition:transform .2s ease;
}
.whatsapp-float:hover{ transform:scale(1.08); }
.whatsapp-float svg{ width:28px; height:28px; }

/* Page hero (inner pages) -------------------------------------------------*/
.page-hero{ background:var(--plum); color:var(--paper); padding-block:3.2rem; }
.page-hero h1{ color:var(--paper); margin-bottom:.4rem; }
.breadcrumb{ font-size:.85rem; color:var(--orchid-soft); }
.breadcrumb a{ color:var(--orchid-soft); }

/* Utilities ----------------------------------------------------------------*/
.center{ text-align:center; margin-inline:auto; }
.mt-lg{ margin-top:2.5rem; }
.stack{ display:flex; flex-direction:column; gap:1rem; }
.small{ font-size:.85rem; color:var(--gray); }
.badge-soon{
  display:inline-block; background:var(--orchid-soft); color:var(--royal);
  font-size:.75rem; font-weight:700; padding:.25em .7em; border-radius:999px;
  margin-left:.5em; vertical-align:middle;
}