/* ================================================================
   Cyber AI Agents — Landing Page
   Paleta: azul escuro #1a237e, teal #00897b, âmbar #ff8f00
   ================================================================ */

/* --- CSS Custom Properties --- */
:root {
    --primary: #1a237e;
    --primary-light: #283593;
    --secondary: #00897b;
    --accent: #ff8f00;
    --accent-hover: #f57c00;
    --bg: #ffffff;
    --bg-alt: #f5f7fa;
    --bg-cta: #1a237e;
    --text: #2d3436;
    --text-light: #636e72;
    --text-inverse: #ffffff;
    --border: #dfe6e9;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --max-width: 1200px;
    --transition: 0.25s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
small { font-size: 0.875rem; color: var(--text-light); }

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Section --- */
.section {
    padding: 5rem 0;
}
.section--light { background: var(--bg-alt); }
.section--highlight {
    background: linear-gradient(135deg, #e8eaf6 0%, #e0f2f1 100%);
    border-top: 3px solid var(--accent);
    border-bottom: 3px solid var(--accent);
}
.section--cta {
    background: var(--bg-cta);
    color: var(--text-inverse);
}
.section--cta .section-title { color: var(--text-inverse); }
.section--cta .section-intro { color: rgba(255,255,255,0.85); }

.section-title {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary);
}
.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    font-size: 1.1rem;
    color: var(--text-light);
}
.section-text {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}
.section-text p { margin-bottom: 1rem; }

.text-center { text-align: center; }
.text-highlight {
    font-size: 1.15rem;
    color: var(--primary);
    margin-top: 1.5rem;
}

/* --- Badge --- */
.badge {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    margin-bottom: 0.75rem;
}
.section--highlight .badge { margin: 0 auto 0.75rem; display: table; }

/* --- Buttons --- */
.btn {
    display: inline-block;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition);
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,143,0,0.35);
}
.btn-lg {
    font-size: 1.1rem;
    padding: 0.9rem 2.5rem;
}
.btn-full { width: 100%; max-width: 400px; }

/* ====== NAVEGAÇÃO ====== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--primary);
}
.nav-logo:hover { color: var(--secondary); }
.nav-links {
    display: flex;
    list-style: none;
    gap: 1.75rem;
    align-items: center;
}
.nav-links a {
    font-weight: 500;
    font-size: 0.925rem;
    color: var(--text);
}
.nav-links a:hover { color: var(--secondary); }
.nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 0.45rem 1.25rem !important;
    border-radius: 50px;
    font-weight: 600 !important;
}
.nav-cta:hover {
    background: var(--accent-hover) !important;
    color: #fff !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ====== HERO ====== */
.hero {
    padding: 5rem 0 4rem;
    min-height: 70vh;
    display: flex;
    align-items: center;
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--primary);
}
.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    line-height: 1.5;
}
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
}
.hero-orb {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, #7986cb, #1a237e);
    animation: orbPulse 4s ease-in-out infinite;
}
.hero-orb--small {
    position: absolute;
    width: 80px;
    height: 80px;
    top: 30px;
    right: 40px;
    background: radial-gradient(circle at 40% 35%, #4db6ac, #00897b);
    animation: orbPulse 3s ease-in-out 0.5s infinite;
}
.hero-orb--tiny {
    position: absolute;
    width: 40px;
    height: 40px;
    bottom: 60px;
    left: 50px;
    background: var(--accent);
    animation: orbPulse 2.5s ease-in-out 1s infinite;
}
.hero-emoji {
    position: absolute;
    font-size: 5rem;
    animation: floatEmoji 3s ease-in-out infinite;
}

@keyframes orbPulse {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.08); opacity: 1; }
}
@keyframes floatEmoji {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ====== BEFORE / AFTER ====== */
.ba-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}
.ba-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 2rem;
    border-radius: var(--radius);
    border: 2px solid var(--border);
}
.ba-card--before { background: #fafafa; border-color: #e0e0e0; }
.ba-card--after { background: #e8f5e9; border-color: #66bb6a; }
.ba-card-header {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.ba-card--before .ba-card-header { color: #9e9e9e; }
.ba-card--after .ba-card-header { color: #2e7d32; }
.ba-item {
    padding: 0.5rem 0 0.5rem 1rem;
    border-left: 3px solid var(--border);
    font-size: 0.95rem;
}
.ba-card--after .ba-item { border-left-color: #66bb6a; }
.ba-arrow {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
}

/* ====== FEATURES GRID ====== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.feature-card {
    background: var(--bg);
    padding: 1.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.feature-icon {
    font-size: 2.25rem;
    display: block;
    margin-bottom: 0.75rem;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--primary);
}
.feature-card p {
    font-size: 0.925rem;
    color: var(--text-light);
}

/* ====== COMPANION GRID ⭐ ====== */
.companion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.companion-card {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 2px solid var(--accent);
    border-left: 5px solid var(--accent);
    transition: transform var(--transition), box-shadow var(--transition);
}
.companion-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.companion-icon {
    font-size: 2rem;
}
.companion-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0.5rem 0 0.25rem;
    color: var(--primary);
}
.companion-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ====== FLOW / HOW IT WORKS ====== */
.flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    max-width: 500px;
    margin: 0 auto;
}
.flow-step {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    transition: transform var(--transition);
}
.flow-step:hover { transform: scale(1.02); }
.flow-step--done {
    border-color: var(--secondary);
    background: #e0f2f1;
}
.flow-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}
.flow-label {
    font-weight: 600;
}
.flow-label small {
    display: block;
    font-weight: 400;
    margin-top: 0.15rem;
}
.flow-arrow {
    font-size: 1.5rem;
    color: var(--secondary);
    font-weight: 700;
}

/* ====== CAPABILITIES ====== */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}
.cap-card {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: transform var(--transition);
}
.cap-card:hover { transform: translateY(-3px); }
.cap-icon { font-size: 1.75rem; }
.cap-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0.5rem 0 0.25rem;
    color: var(--primary);
}
.cap-card p { font-size: 0.9rem; color: var(--text-light); }

/* ====== PRICING ====== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.price-card {
    background: var(--bg);
    padding: 1.75rem;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    text-align: center;
    transition: all var(--transition);
}
.price-card:hover {
    border-color: var(--secondary);
    box-shadow: var(--shadow);
}
.price-icon { font-size: 2rem; }
.price-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0.5rem 0;
    color: var(--text);
}
.price-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}
.price-note {
    font-size: 0.85rem;
    color: var(--text-light);
}

.highlight-box {
    text-align: center;
    background: linear-gradient(135deg, #fff8e1, #fff3e0);
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.25rem 2rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    max-width: 550px;
    margin: 0 auto 1.5rem;
}

.comparison-quote {
    background: var(--bg-alt);
    border-left: 4px solid var(--secondary);
    padding: 1rem 1.5rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ====== CHECKLIST ====== */
.checklist {
    list-style: none;
    counter-reset: checklist;
    max-width: 600px;
    margin: 0 auto;
}
.checklist li {
    counter-increment: checklist;
    padding: 0.75rem 0 0.75rem 2.5rem;
    position: relative;
    font-size: 1.05rem;
}
.checklist li::before {
    content: "✅";
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* ====== TIMELINE ====== */
.timeline {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.timeline-step {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    flex: 1 1 170px;
    max-width: 200px;
    transition: all var(--transition);
    position: relative;
}
.timeline-step:hover {
    border-color: var(--secondary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.timeline-number {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}
.timeline-step h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.3rem;
}
.timeline-step p {
    font-size: 0.85rem;
    color: var(--text-light);
}
.timeline-prazo {
    margin-top: 1.5rem;
    font-size: 1.05rem;
}

/* ====== AUDIENCE ====== */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.audience-card {
    background: var(--bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    transition: transform var(--transition);
}
.audience-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.audience-icon { font-size: 2.25rem; }
.audience-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0.5rem 0 0.25rem;
    color: var(--primary);
}
.audience-card p { font-size: 0.875rem; color: var(--text-light); }

/* ====== FAQ ====== */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    background: var(--bg);
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item[open] { box-shadow: var(--shadow); }
.faq-item summary {
    padding: 1rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--secondary);
    transition: transform var(--transition);
}
.faq-item[open] summary::after {
    content: '−';
}
.faq-item p {
    padding: 0 1.25rem 1.25rem;
    font-size: 0.95rem;
    color: var(--text-light);
}

/* ====== CONTACT FORM ====== */
.contact-form {
    max-width: 500px;
    margin: 2rem auto 0;
}
.section--cta .contact-form {
    /* already inside dark bg */
}
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    background: rgba(255,255,255,0.1);
    color: #fff;
    transition: border-color var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.45);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin-top: 1rem;
}

.email-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
}

/* ====== FOOTER ====== */
.footer {
    background: #0d1542;
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 3rem 1.5rem;
}
.footer-slogan {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    margin-bottom: 0.75rem;
}
.footer-email { margin-bottom: 0.5rem; }
.footer-email a { color: var(--accent); }
.footer-copy {
    font-size: 0.85rem;
    margin-top: 1.5rem;
    opacity: 0.6;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-visual { height: 200px; }
    .hero-orb { width: 160px; height: 160px; }
    .hero-orb--small { width: 60px; height: 60px; right: 20px; }
    .hero-orb--tiny { width: 30px; height: 30px; left: 20px; bottom: 40px; }
    .hero-emoji { font-size: 3.5rem; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1.1rem; }

    .ba-grid {
        grid-template-columns: 1fr;
    }
    .ba-arrow {
        transform: rotate(90deg);
        text-align: center;
        font-size: 1.5rem;
    }

    .timeline { gap: 0.75rem; }
    .timeline-step { max-width: 100%; flex: 1 1 140px; }
}

@media (max-width: 640px) {
    .section { padding: 3rem 0; }
    .section-title { font-size: 1.5rem; }
    .hero { padding: 3rem 0 2rem; min-height: auto; }
    .hero-title { font-size: 1.65rem; }

    /* Mobile nav */
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.96);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
    }
    .nav-links.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .features-grid { grid-template-columns: 1fr; }
    .companion-grid { grid-template-columns: 1fr; }
    .capabilities-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }

    .timeline { flex-direction: column; align-items: center; }
    .timeline-step { max-width: 280px; width: 100%; }

    .highlight-box { font-size: 1rem; padding: 1rem 1.25rem; }
}

/* ====== ANIMATIONS ====== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ====== FORM SUCCESS STATE ====== */
.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
}
.form-success.is-shown { display: block; }
.form-success .success-icon { font-size: 3rem; margin-bottom: 1rem; }
.form-success p { font-size: 1.1rem; color: rgba(255,255,255,0.9); }