:root {
    --bg-color: #070913;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(15, 23, 42, 0.4);
    
    --color-claude: #f97316;
    --color-gemini: #3b82f6;
    --color-gpt: #10b981;
    --color-ollama: #f8fafc;
    --color-brand: #8b5cf6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Fundo espacial */
.space-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #0d1127 0%, #05060b 100%);
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    z-index: -1;
}

.glow-orb.top-left {
    width: 50vw;
    height: 50vh;
    top: -20vh;
    left: -10vw;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4), transparent);
}

.glow-orb.bottom-right {
    width: 60vw;
    height: 60vh;
    bottom: -20vh;
    right: -10vw;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent);
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 10% 10%, rgba(255,255,255,0.8) 100%, transparent),
        radial-gradient(1px 1px at 30% 50%, rgba(255,255,255,0.6) 100%, transparent),
        radial-gradient(1.5px 1.5px at 80% 20%, rgba(255,255,255,0.9) 100%, transparent),
        radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.5) 100%, transparent),
        radial-gradient(2px 2px at 50% 90%, rgba(255,255,255,0.7) 100%, transparent),
        radial-gradient(1px 1px at 20% 70%, rgba(255,255,255,0.4) 100%, transparent);
    background-size: 300px 300px;
    opacity: 0.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    position: relative;
    /* Acima de qualquer conteúdo: o .hero sobe 3rem por margem negativa e,
       com z-index empatado, cobriria os links do menu e mataria o clique. */
    z-index: 100;
}

.nav-left {
    display: flex;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: #e2e8f0;
    letter-spacing: -0.02em;
}

.nav-middle {
    display: flex;
    gap: 2.5rem;
}

.nav-middle a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-middle a:hover {
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
    z-index: 1; /* acima do fundo espacial (-1), abaixo da navbar (100) */
    margin-top: -3rem; /* Para centralizar melhor com a navbar em cima */
}

.hero-badge {
    background: rgba(20, 25, 45, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #c4b5fd;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.hero-badge .dot {
    background: #a78bfa;
    box-shadow: 0 0 8px #a78bfa;
}

/* Container do átomo */
.atom-container {
    width: 350px;
    height: 200px;
    position: relative;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Tipografia Hero */
.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 50%, #fbcfe8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 30px rgba(139, 92, 246, 0.2);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

/* Badges de IA */
.llm-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.llm-badge {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #cbd5e1;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.llm-badge:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.dot-claude { background: var(--color-claude); box-shadow: 0 0 8px var(--color-claude); }
.dot-gemini { background: var(--color-gemini); box-shadow: 0 0 8px var(--color-gemini); }
.dot-gpt { background: var(--color-gpt); box-shadow: 0 0 8px var(--color-gpt); }
.dot-ollama { background: var(--color-ollama); box-shadow: 0 0 8px var(--color-ollama); }

/* CTA Principal */
.hero-cta {
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    display: inline-block;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
}

/* Footer */
.site-footer {
    position: absolute;
    bottom: 2rem;
    right: 3rem;
    font-size: 0.75rem;
    color: rgba(148, 163, 184, 0.5);
}

/* Responsividade */
@media (max-width: 900px) {
    .nav-middle { display: none; }
    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1rem; padding: 0 1rem; }
    .llm-badges { flex-wrap: wrap; justify-content: center; }
}

/* =====================================================================
   PILARES — "o que ela entrega" (home, abaixo do hero)
   A home mostrava só o logo e dois botões: quem chegava pelo link não
   descobria o que o produto faz sem clicar. Esta seção responde isso
   na própria primeira página, no mesmo vocabulário visual do hero.
   ===================================================================== */

/* O hero deixa de esticar sozinho: com conteúdo abaixo, `flex: 1` empurrava
   os pilares para fora da primeira dobra e ainda desalinhava o rodapé. */
.hero {
    flex: 0 0 auto;
    min-height: calc(100vh - 5rem);
}

.scroll-hint {
    margin-top: 2.5rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    color: rgba(148, 163, 184, 0.75);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.25s ease;
}

.scroll-hint:hover { color: #c4b5fd; }

.scroll-hint .chev {
    font-size: 1.1rem;
    animation: hint-bob 2.2s ease-in-out infinite;
}

@keyframes hint-bob {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50%      { transform: translateY(5px); opacity: 1; }
}

.pillars {
    position: relative;
    z-index: 1;
    padding: 5rem 1.5rem 4rem;
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
}

.pillars-head {
    text-align: center;
    max-width: 660px;
    margin: 0 auto 3rem;
}

.pillars-head h2 {
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.9rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 60%, #fbcfe8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pillars-head p {
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 1rem;
}

.pillars-head em {
    color: #c4b5fd;
    font-style: normal;
    font-weight: 600;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.pillar {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.6rem 1.5rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.pillar:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.35);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.12);
}

.pillar-icon {
    font-size: 1.6rem;
    display: block;
    margin-bottom: 0.85rem;
}

.pillar h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.pillar p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
}

.pillar strong { color: #e0e7ff; font-weight: 600; }

.pillar.accent { border-color: rgba(139, 92, 246, 0.28); }

.pillar.highlight {
    border-color: rgba(236, 72, 153, 0.32);
    background: linear-gradient(160deg, rgba(236, 72, 153, 0.07), rgba(15, 23, 42, 0.45));
}

.pillar-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #fbcfe8;
    background: rgba(236, 72, 153, 0.14);
    border: 1px solid rgba(236, 72, 153, 0.3);
    border-radius: 9999px;
    padding: 0.22rem 0.7rem;
    margin-bottom: 0.85rem;
}

.pillar-link {
    display: inline-block;
    margin-top: 0.9rem;
    color: #f9a8d4;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.pillar-link:hover { color: #fbcfe8; }

.pillars-cta {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* O rodapé era absoluto e ficava colado na primeira dobra — com conteúdo
   abaixo do hero, ele passava por cima dos pilares. */
.site-footer {
    position: static;
    text-align: center;
    padding: 2rem 1rem 2.5rem;
    font-size: 0.75rem;
    color: rgba(148, 163, 184, 0.5);
}

@media (max-width: 980px) {
    .pillars-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .pillars-grid { grid-template-columns: 1fr; }
    .pillars-head h2 { font-size: 1.6rem; }
    .pillars { padding: 3.5rem 1.1rem 3rem; }
}