/* ============================================================
   ÁTRIA DESIGN SYSTEM v1.0  —  TOKENS
   ============================================================ */
:root {
  /* Cores base */
  --color-bg-primary:    #08090F;
  --color-bg-secondary:  #0D0620;
  --color-bg-card:       #11101A;
  --color-bg-elevated:   #16142A;

  /* Roxo — cor principal da marca */
  --color-purple-900:    #2E1065;
  --color-purple-800:    #4C1D95;
  --color-purple-700:    #6D28D9;
  --color-purple-600:    #7C3AED;
  --color-purple-500:    #8B5CF6;
  --color-purple-400:    #A78BFA;
  --color-purple-300:    #C4B5FD;
  --color-purple-200:    #DDD6FE;
  --color-purple-100:    #EDE9FE;

  /* Verde — pilar Educação */
  --color-green-400:     #34D399;
  --color-green-300:     #6EE7B7;
  --color-green-200:     #A7F3D0;

  /* Azul — pilar Tecnologia */
  --color-blue-400:      #60A5FA;
  --color-blue-300:      #93C5FD;
  --color-blue-200:      #BFDBFE;

  /* Texto */
  --color-text-primary:  #F5F2EC;
  --color-text-secondary:#C4C0B8;
  --color-text-muted:    #6B7A99;
  --color-text-subtle:   #3D4466;

  /* Bordas */
  --color-border-strong: rgba(167,139,250,0.3);
  --color-border-soft:   rgba(167,139,250,0.12);
  --color-border-subtle: rgba(255,255,255,0.06);

  /* Tipografia */
  --font-display:  -apple-system, 'SF Pro Display', 'Helvetica Neue', sans-serif;
  --font-body:     -apple-system, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  --font-mono:     'SF Mono', 'Fira Code', monospace;

  /* Escala tipográfica */
  --text-xs: 11px; --text-sm: 13px; --text-base: 15px; --text-lg: 18px;
  --text-xl: 22px; --text-2xl: 28px; --text-3xl: 36px; --text-4xl: 48px;
  --text-5xl: 64px; --text-6xl: 80px;

  /* Espaçamento */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px; --space-24: 96px;

  /* Border radius */
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --radius-xl: 24px; --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.25);
  --shadow-glow-strong: 0 0 80px rgba(124,58,237,0.4);

  /* Transições */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================================
   RESET — sobrepõe o reboot do Bootstrap
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

/* Zera margens/paddings que o reboot do Bootstrap adiciona via seletores de elemento */
h1, h2, h3, h4, h5, h6 { margin-bottom: 0; color: inherit; }
p { margin-bottom: 0; }
ul, ol { padding-left: 0; margin-bottom: 0; }
blockquote { margin: 0; }

/* ============================================================
   TIPOGRAFIA
   ============================================================ */
.text-display {
  font-family: var(--font-body);
  font-size: var(--text-5xl); font-weight: 500;
  letter-spacing: -1px; line-height: 1.08;
  color: var(--color-text-primary);
}
.text-heading-1 { font-family: var(--font-display); font-size: var(--text-4xl); font-weight: 500; letter-spacing: -0.5px; line-height: 1.15; }
.text-heading-2 { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 500; letter-spacing: -0.3px; line-height: 1.2; }
.text-heading-3 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; line-height: 1.3; }
.text-body-lg  { font-size: var(--text-lg);  font-weight: 400; line-height: 1.7; color: var(--color-text-secondary); }
/* !important necessário: Bootstrap define .text-body como utilitário de cor com !important */
.text-body     { font-size: var(--text-base); font-weight: 400; line-height: 1.7; color: var(--color-text-secondary) !important; }
.text-body-sm  { font-size: var(--text-sm);  font-weight: 400; line-height: 1.6; color: var(--color-text-muted); }
.text-label {
  font-size: var(--text-xs); font-weight: 500; letter-spacing: 3px;
  text-transform: uppercase; color: var(--color-purple-400);
}
.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, #C4B5FD 50%, #7C3AED 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }
.container-sm { max-width: 760px; margin: 0 auto; padding: 0 var(--space-6); }
.section { padding: var(--space-24) 0; position: relative; }
.section-sm { padding: var(--space-16) 0; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
/* !important nos utilitários que o Bootstrap também define com !important */
.mt-4 { margin-top: var(--space-4) !important; } .mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); } .mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4) !important; } .mb-6 { margin-bottom: var(--space-6); }

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.3px;
  border: none; cursor: pointer; border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6); transition: all var(--transition-base);
  text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--color-purple-600); color: #fff; box-shadow: 0 0 24px rgba(124,58,237,0.3); }
.btn-primary:hover { background: var(--color-purple-500); box-shadow: 0 0 36px rgba(124,58,237,0.5); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--color-text-primary); border: 1px solid var(--color-border-strong); }
.btn-secondary:hover { background: var(--color-bg-elevated); border-color: var(--color-purple-400); }
.btn-ghost { background: transparent; color: var(--color-purple-400); padding: var(--space-3) var(--space-4); }
.btn-ghost:hover { color: var(--color-purple-300); }
.btn-sm { font-size: var(--text-xs); padding: var(--space-2) var(--space-4); }
.btn-lg { font-size: var(--text-base); padding: var(--space-4) var(--space-8); border-radius: var(--radius-lg); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-bg-card); border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg); padding: var(--space-6);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover { border-color: var(--color-border-soft); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.card-pillar {
  background: var(--color-bg-card); border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg); padding: var(--space-8) var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card-pillar:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.card-pillar.edu  { border-left: 3px solid var(--color-green-400); }
.card-pillar.tech { border-left: 3px solid var(--color-blue-400); }
.card-pillar.ai   { border-left: 3px solid var(--color-purple-400); }

/* ============================================================
   BADGES / DOTS / DIVIDERS
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 500; letter-spacing: 1px;
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
}
.badge-purple { background: rgba(124,58,237,0.15); color: var(--color-purple-300); border: 1px solid rgba(124,58,237,0.3); }
.badge-green  { background: rgba(52,211,153,0.12); color: var(--color-green-300);  border: 1px solid rgba(52,211,153,0.25); }
.badge-blue   { background: rgba(96,165,250,0.12); color: var(--color-blue-300);   border: 1px solid rgba(96,165,250,0.25); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.dot-edu  { background: var(--color-green-400); box-shadow: 0 0 8px rgba(52,211,153,0.6); }
.dot-tech { background: var(--color-blue-400);  box-shadow: 0 0 8px rgba(96,165,250,0.6); }
.dot-ai   { background: var(--color-purple-400);box-shadow: 0 0 8px rgba(167,139,250,0.6); }
.divider-glow {
  height: 1px; border: none;
  background: linear-gradient(90deg, transparent, var(--color-purple-600), transparent);
  margin: var(--space-8) 0; opacity: 0.5;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 64px;
  background: rgba(8, 9, 15, 0.85);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-subtle); display: flex; align-items: center;
}
.nav-logo { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-xl); font-weight: 500; color: var(--color-text-primary); letter-spacing: 4px; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: var(--space-8); }
/* padding: 0 necessário: Bootstrap define .nav-link com padding via variável CSS */
.nav-link { padding: 0; font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: none; transition: color var(--transition-fast); }
.nav-link:hover { color: var(--color-text-primary); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: var(--space-2); }
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text-primary); border-radius: 2px; transition: transform var(--transition-base), opacity var(--transition-base); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 var(--space-20); overflow: hidden; text-align: center;
}
.hero::before {
  content: ''; position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 60%);
}
.hero::after {
  content: ''; position: absolute; top: 10%; left: -10%; width: 140%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(167,139,250,0.35), transparent);
  transform: rotate(-8deg); pointer-events: none; z-index: 0;
}
.hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.hero h1 { max-width: 760px; margin: var(--space-5) 0; }
.hero-sub { color: var(--color-purple-300); letter-spacing: 1px; font-size: var(--text-lg); }
.hero-p { max-width: 560px; margin: var(--space-5) auto 0; }
.hero-ctas { display: flex; gap: var(--space-4); margin-top: var(--space-8); flex-wrap: wrap; justify-content: center; }
.hero-symbol { width: 200px; margin-top: var(--space-12); filter: drop-shadow(0 0 40px rgba(124,58,237,0.4)); animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* Pulsação suave do glow de fundo */
@keyframes glow-pulse {
  0%, 100% { transform: translateX(-50%) scale(1);   opacity: 1;   }
  50%       { transform: translateX(-50%) scale(1.25); opacity: 0.55; }
}
.hero::before { animation: glow-pulse 10s ease-in-out infinite; }

/* Entrada escalonada dos elementos do hero */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-inner > * { animation: hero-fade-up 0.8s ease forwards; opacity: 0; }
.hero-inner > :nth-child(1) { animation-delay: 0.05s; }
.hero-inner > :nth-child(2) { animation-delay: 0.22s; }
.hero-inner > :nth-child(3) { animation-delay: 0.38s; }
.hero-inner > :nth-child(4) { animation-delay: 0.52s; }
.hero-inner > :nth-child(5) { animation-delay: 0.68s; }
.hero-inner > :nth-child(6) { animation-delay: 0.95s; }

/* Canvas de partículas */
.hero-canvas { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

/* Cursor piscante do typewriter */
.hero-cursor { display: inline-block; color: var(--color-purple-400); margin-left: 1px; animation: cursor-blink 1s step-end infinite; }
@keyframes cursor-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-head { max-width: 640px; margin: 0 auto var(--space-16); text-align: center; }
.section-head .text-label { display: inline-block; margin-bottom: var(--space-4); }
.section-head p { margin-top: var(--space-4); }

/* Pillars */
.pillar-num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-text-subtle); margin-bottom: var(--space-5); }
.pillar-label { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }

/* Produtos */
.product-card { display: flex; flex-direction: column; height: 100%; }
.product-card .badge { align-self: flex-start; margin-bottom: var(--space-5); }
.product-name { display: flex; align-items: baseline; gap: var(--space-3); margin-bottom: var(--space-2); }
.product-type { font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: var(--space-4); }
.product-link { margin-top: auto; padding-top: var(--space-6); }
.product-link a { color: var(--color-purple-400); font-size: var(--text-sm); font-weight: 500; text-decoration: none; transition: color var(--transition-fast); }
.product-link a:hover { color: var(--color-purple-300); }

/* Manifesto */
.manifesto { background: var(--color-bg-secondary); }
.manifesto-grid { display: grid; grid-template-columns: 280px 1fr; gap: var(--space-16); align-items: center; }
.manifesto-symbol { filter: drop-shadow(0 0 30px rgba(124,58,237,0.3)); }
.manifesto blockquote { font-family: var(--font-body); font-size: var(--text-xl); font-weight: 500; line-height: 1.5; color: var(--color-text-primary); }
.manifesto blockquote p + p { margin-top: var(--space-5); }
.meaning-list { list-style: none; margin-top: var(--space-10); display: flex; flex-direction: column; gap: var(--space-4); }
.meaning-list li { display: flex; align-items: flex-start; gap: var(--space-3); }
.meaning-list strong { color: var(--color-text-primary); font-weight: 500; }
.meaning-list span.txt { color: var(--color-text-muted); font-size: var(--text-sm); }

/* Founders */
.founder-card { display: flex; flex-direction: column; gap: var(--space-4); }
.founder-avatar {
  width: 56px; height: 56px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-purple-700), var(--color-purple-500));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; color: #fff;
  box-shadow: 0 0 24px rgba(124,58,237,0.3);
}
.founder-role { color: var(--color-purple-400); font-size: var(--text-sm); }

/* CTA final */
.cta-final { background: var(--color-bg-secondary); position: relative; overflow: hidden; text-align: center; }
.cta-final::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 700px; height: 700px; pointer-events: none;
  background: radial-gradient(circle, rgba(124,58,237,0.22) 0%, transparent 60%);
}
.cta-final .container { position: relative; z-index: 1; }

/* Footer */
.footer { border-top: 1px solid var(--color-border-subtle); padding: var(--space-16) 0 var(--space-8); }
.footer-top { display: flex; margin-bottom: var(--space-12); justify-content: center; }
.footer-col h4 { font-size: var(--text-xs); letter-spacing: 2px; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-4); }
.footer-col a {
    display: flex;
    max-width: fit-content;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    text-decoration: none;
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
    width: 100%;
    margin: 0 auto;
}
.footer-col a:hover { color: var(--color-purple-300); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding-top: var(--space-6); flex-wrap: wrap; }
.footer-social { display: flex; gap: var(--space-4); }
.footer-social a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.footer-social a:hover { color: var(--color-purple-400); }

/* ============================================================
   ANIMAÇÃO DE SCROLL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-symbol { animation: none; }
  .hero::before { animation: none; }
  .hero-inner > * { animation: none; opacity: 1; }
  .hero-canvas { display: none; }
  .hero-cursor { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 768px) {
  .text-display { font-size: var(--text-4xl); }
  .text-heading-1 { font-size: var(--text-3xl); }
  .nav-links {
    position: fixed; top: 50px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(8,9,15,0.97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: var(--space-4); transform: translateY(-120%);
    transition: transform var(--transition-base); z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links .nav-link { padding: var(--space-3) var(--space-2); }
  .nav-links .btn { margin-top: var(--space-2); }
  .nav-toggle { display: flex; }
  .manifesto-grid { grid-template-columns: 1fr; gap: var(--space-8); text-align: center; }
  .manifesto-symbol { width: 160px; margin: 0 auto; }
footer .manifesto-symbol, nav .manifesto-symbol {
        width: 30px;
        margin: 0;
    }
    .footer-social {
        margin: 0 auto;
        justify-content: center;
        margin-top: 10px;
    }
.footer-bottom {
    display: block;
}
    .text-body-sm{ text-align: center; }
  .meaning-list li { text-align: left; }
  .footer-top { grid-template-columns: 1fr; gap: var(--space-8); }
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-20) 0; }
}