:root {
    --bg-main: #0A0A0F;
    --bg-card: #13131A;
    --bg-card-hover: #1A1A24;
    --accent-main: #4F8EF7;
    --accent-glow: rgba(79, 142, 247, 0.3);
    --grad-start: #7C3AED;
    --grad-end: #4F8EF7;
    --text-main: #FFFFFF;
    --text-muted: #A1A1AA;
    --border-color: #27272A;
    --success: #10B981;
    --error: #EF4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.hidden {
    display: none !important;
}

/* Typography */
h1,
h2,
h3 {
    line-height: 1.2;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-main);
}

.logo i {
    color: var(--accent-main);
    font-size: 1.5rem;
}

.nav-logo {
    max-height: 48px;
    /* Aumentado para maior destaque */
    width: auto;
    object-fit: contain;
}

.logo-fallback {
    display: flex;
    /* Overridden by inline style when hidden */
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-main);
}

.logo-fallback i {
    color: var(--accent-main);
    font-size: 1.5rem;
}

.lang-toggle {
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--text-muted);
}

.lang-toggle button {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.lang-toggle button.active {
    color: var(--text-main);
}

.lang-toggle button:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.waitlist-form {
    display: flex;
    gap: 12px;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.input-group input {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus {
    border-color: var(--accent-main);
}

.btn-primary {
    background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--accent-glow);
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.social-proof {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-card {
    background-color: var(--bg-card);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-card h2 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(180deg, #FFFFFF, #A1A1AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card p {
    color: var(--text-muted);
    font-weight: 500;
}

/* Value Props */
.value-props {
    padding: 6rem 0;
}

.props-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.prop-card {
    padding: 32px;
    background-color: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, background-color 0.2s;
}

.prop-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-card-hover);
    border-color: var(--accent-main);
    box-shadow: 0 10px 30px rgba(79, 142, 247, 0.1);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(79, 142, 247, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.icon-box i {
    font-size: 24px;
    color: var(--accent-main);
}

.prop-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.prop-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Showcase Section */
.showcase {
    padding: 4rem 0;
}

.showcase-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 8rem;
}

.showcase-row.reverse {
    flex-direction: row-reverse;
}

.showcase-img {
    flex: 1;
    display: flex;
    justify-content: center;
}

.showcase-img img {
    max-width: 1000px;
    width: 100%;
    transition: transform 0.5s ease;
}

.showcase-row:hover .showcase-img img {
    transform: scale(1.1);
}

.showcase-text {
    flex: 1;
}

.showcase-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.showcase-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Personas Section */
.personas {
    padding: 6rem 0;
    background-color: var(--bg-card);
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.persona-card {
    background-color: var(--bg-main);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.bg-blue {
    background-color: rgba(79, 142, 247, 0.2);
    color: #4F8EF7;
}

.bg-purple {
    background-color: rgba(124, 58, 237, 0.2);
    color: #7C3AED;
}

.bg-orange {
    background-color: rgba(245, 158, 11, 0.2);
    color: #F59E0B;
}

.bg-green {
    background-color: rgba(16, 185, 129, 0.2);
    color: #10B981;
}

.persona-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.persona-card .role {
    display: block;
    font-size: 0.8rem;
    color: var(--accent-main);
    font-weight: 500;
    margin-top: 4px;
}

.persona-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Competitors Section */
.competitors {
    padding: 8rem 0;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

th,
td {
    padding: 20px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    color: var(--text-muted);
    background-color: rgba(255, 255, 255, 0.02);
}

td:first-child,
th:first-child {
    text-align: left;
}

.highlight {
    background-color: rgba(79, 142, 247, 0.05);
    font-weight: bold;
    color: var(--text-main) !important;
}

.text-success {
    color: var(--success);
    font-size: 1.2rem;
}

.text-error {
    color: var(--error);
    font-size: 1.2rem;
}

.note {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Pricing Section */
.pricing {
    padding: 4rem 0 8rem;
}

.pricing-card {
    background-color: var(--bg-card);
    border: 1px solid var(--accent-main);
    border-radius: 24px;
    padding: 48px;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    box-shadow: 0 0 40px rgba(79, 142, 247, 0.1);
}

.badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.price {
    font-size: 4rem;
    margin-bottom: 8px;
}

.price-sub {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.scarcity-tag {
    color: var(--error);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.features-list {
    text-align: left;
    list-style: none;
    margin-bottom: 40px;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.features-list li i {
    color: var(--success);
    font-size: 1.2rem;
    margin-top: 4px;
}

.byok-feature {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.byok-feature i {
    color: var(--accent-main) !important;
}

.byok-feature strong {
    display: block;
    margin-bottom: 4px;
    color: var(--accent-main);
}

.byok-feature p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cta-form {
    flex-direction: column;
}

.cta-form .input-group input {
    text-align: center;
}

/* Form Success State */
.form-success {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--success);
    font-weight: 600;
    animation: fadeIn 0.5s ease;
}

.form-success i {
    font-size: 1.5rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footnote {
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active-reveal {
    opacity: 1;
    transform: translateY(0);
}

/* Language Switch Transition */
.lang-en,
.lang-pt {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.lang-fade-out {
    opacity: 0 !important;
    transform: translateY(-8px);
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.lang-fade-in {
    animation: langFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes langFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .waitlist-form {
        flex-direction: column;
    }

    .stats-container,
    .props-container {
        grid-template-columns: 1fr;
    }

    .showcase-row,
    .showcase-row.reverse {
        flex-direction: column;
        gap: 40px;
        text-align: center;
        margin-bottom: 4rem;
    }

    .personas-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card {
        padding: 32px 20px;
    }
}

@media (max-width: 480px) {
    .personas-grid {
        grid-template-columns: 1fr;
    }
}