/* ===== MeuCérebro Landing v3 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overscroll-behavior: none; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0c1222;
    color: #e2e8f0;
    line-height: 1.6;
    overscroll-behavior-y: none;
}

.ln-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === NAV === */
.ln-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 9000;
    transition: all 0.3s;
}

.ln-nav.scrolled {
    background: rgba(12, 18, 34, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.ln-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ln-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}

.ln-logo img { border-radius: 8px; }

.ln-nav-links {
    display: flex;
    gap: 28px;
}

.ln-nav-links a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.ln-nav-links a:hover { color: #fff; }

.ln-nav-btns {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ln-btn-ghost {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: background 0.2s;
}

.ln-btn-ghost:hover { background: rgba(255,255,255,0.08); }

.ln-btn-white {
    background: #fff;
    color: #0c1222;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    padding: 9px 20px;
    border-radius: 8px;
    transition: all 0.2s;
}

.ln-btn-white:hover { background: #e2e8f0; }

.ln-hamburger {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}

.ln-mobile-menu {
    display: none;
    flex-direction: column;
    padding: 12px 20px 20px;
    background: rgba(12, 18, 34, 0.98);
}

.ln-mobile-menu.open { display: flex; }

.ln-mobile-menu a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* === HERO === */
.ln-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ln-hero-bg {
    position: absolute;
    inset: 0;
}

.ln-hero-bg video {
    width: 100%; height: 100%;
    object-fit: cover;
}

.ln-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(12,18,34,0.7) 0%, rgba(12,18,34,0.85) 50%, rgba(12,18,34,0.95) 100%);
}

.ln-hero-body {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 100px 20px 60px;
    max-width: 780px;
}

.ln-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: #93c5fd;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.ln-hero-body h1 {
    font-size: 52px;
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.ln-highlight {
    color: #60a5fa;
}

.ln-hero-body > p {
    font-size: 17px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 32px;
    line-height: 1.7;
}

.ln-hero-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.ln-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 16px 30px;
    border-radius: 10px;
    transition: all 0.2s;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
}

.ln-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(37, 99, 235, 0.5);
}

.ln-btn-lg {
    font-size: 16px;
    padding: 18px 36px;
}

.ln-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 16px 30px;
    border-radius: 10px;
    transition: all 0.2s;
}

.ln-btn-outline:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.4);
}

.ln-hero-metrics {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.ln-hero-metrics div {
    text-align: center;
}

.ln-hero-metrics strong {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}

.ln-hero-metrics span {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === SECTIONS === */
.ln-section {
    padding: 80px 0;
}

.ln-section-dark {
    background: #0a0f1c;
}

.ln-section-head {
    text-align: center;
    margin-bottom: 48px;
}

.ln-section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.ln-section-head p {
    font-size: 15px;
    color: rgba(255,255,255,0.5);
}

/* === FEATURES === */
.ln-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.ln-feat {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 14px;
    padding: 28px 24px;
    transition: all 0.3s;
}

.ln-feat:hover {
    border-color: rgba(96, 165, 250, 0.3);
    background: rgba(96, 165, 250, 0.04);
    transform: translateY(-3px);
}

.ln-feat-icon {
    width: 42px;
    height: 42px;
    background: rgba(96, 165, 250, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #60a5fa;
    margin-bottom: 14px;
}

.ln-feat h3 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.ln-feat p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    line-height: 1.5;
}

/* === VIDEO BREAK === */
.ln-video-break {
    position: relative;
    height: 50vh;
    min-height: 320px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.ln-video-break-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 18, 34, 0.7);
}

.ln-video-break-text {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
}

.ln-video-break-text h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: -0.5px;
}

.ln-big-numbers {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

.ln-big-numbers div {
    text-align: center;
}

.ln-big-numbers strong {
    display: block;
    font-size: 42px;
    font-weight: 900;
    color: #fff;
}

.ln-big-numbers span {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
}

/* === STEPS === */
.ln-steps {
    max-width: 600px;
    margin: 0 auto;
}

.ln-step-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.ln-step-item:last-child { border-bottom: none; }

.ln-step-n {
    min-width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
}

.ln-step-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.ln-step-item p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

/* === PLANS === */
.ln-plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.ln-plan {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.ln-plan:hover {
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-3px);
}

.ln-plan-pop {
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
}

.ln-plan-tag {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ln-plan h4 {
    font-size: 15px;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    margin-bottom: 12px;
}

.ln-plan-price {
    font-size: 32px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 2px;
}

.ln-plan-credits {
    font-size: 13px;
    color: #60a5fa;
    font-weight: 600;
    margin-bottom: 16px;
}

.ln-plan ul {
    list-style: none;
    text-align: left;
    margin-bottom: 20px;
}

.ln-plan ul li {
    padding: 6px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ln-plan ul li i {
    color: #10b981;
    font-size: 11px;
}

.ln-plan-btn {
    display: block;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    padding: 11px 20px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    transition: all 0.2s;
}

.ln-plan-btn:hover { background: rgba(255,255,255,0.06); }

.ln-plan-btn-pop {
    background: #2563eb;
    border-color: #2563eb;
}

.ln-plan-btn-pop:hover { background: #1d4ed8; }

.ln-plans-note {
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.35);
    margin-top: 24px;
}

.ln-plans-note i { color: #60a5fa; margin-right: 4px; }

/* === CTA FINAL === */
.ln-cta-final {
    padding: 80px 24px;
    text-align: center;
    background: linear-gradient(135deg, #1e3a5f 0%, #0c1222 100%);
}

.ln-cta-final h2 {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
}

.ln-cta-final p {
    font-size: 15px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 28px;
}

/* === FOOTER === */
.ln-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 28px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 13px;
    color: rgba(255,255,255,0.35);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .ln-features { grid-template-columns: repeat(2, 1fr); }
    .ln-plans { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
}

@media (max-width: 768px) {
    .ln-nav-links, .ln-nav-btns { display: none; }
    .ln-hamburger { display: block; }

    .ln-hero-body h1 { font-size: 32px; letter-spacing: -1px; }
    .ln-hero-body > p { font-size: 15px; }
    .ln-hero-body { padding: 90px 20px 40px; }

    .ln-hero-btns { flex-direction: column; }
    .ln-btn-primary, .ln-btn-outline { width: 100%; justify-content: center; }

    .ln-hero-metrics { gap: 20px; }
    .ln-hero-metrics strong { font-size: 18px; }
    .ln-hero-metrics span { font-size: 10px; }

    .ln-section { padding: 60px 0; }
    .ln-section-head h2 { font-size: 24px; }

    .ln-features { grid-template-columns: 1fr; }
    .ln-feat { padding: 22px 20px; }

    .ln-video-break { height: 40vh; min-height: 260px; background-attachment: scroll; }
    .ln-video-break-text h2 { font-size: 22px; }
    .ln-big-numbers { gap: 32px; }
    .ln-big-numbers strong { font-size: 32px; }

    .ln-plans { grid-template-columns: 1fr; max-width: 100%; }

    .ln-cta-final h2 { font-size: 24px; }
    .ln-btn-lg { width: 100%; justify-content: center; }
}