:root {
    --color-primary: #0D47A1;
    --color-accent: #2196F3;
    --color-bg-light: #E3F2FD;
    --color-white: #FFFFFF;
    --color-text: #034ab1;
    --color-text-secondary: #86868b;
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.2);
    --padding-container: 20px;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--color-white);
    color: var(--color-text);
    line-height: 1.6;
    /* Aumentado para melhor legibilidade */
    letter-spacing: -0.01em;
    overflow-x: hidden;
}

.gradient-text {
    background: linear-gradient(135deg, #0D47A1, #2196F3);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.container {
    max-width: 1100px;
    /* Mais estreito para um visual mais Apple / centrado */
    margin: 0 auto;
    padding: 0 var(--padding-container);
}

.text-center {
    text-align: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    /* Aumentado para dar mais respiro */
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.container-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9rem;
    margin: 0 1.8rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 980px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: #1E88E5;
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.2);
    border: none;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #1976D2;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(30, 136, 229, 0.3);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: #1a88e2;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 0;
    background: radial-gradient(circle at 50% 10%, #E3F2FD 0%, #FFFFFF 50%);
    text-align: center;
}

.hero-content h1 {
    font-size: 4.5rem;
    /* Maior e mais impactante */
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 2rem;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto 2.5rem auto;
    /* Reduzido de 4rem para 2.5rem */
    font-weight: 450;
    line-height: 1.5;
}

/* MacBook Mockup - Custom Design */
.hero-mockup-container {
    perspective: 1200px;
    margin-top: 0rem;
    /* Reduzido de 3rem para 0rem */
    scroll-margin-top: 120px;
}

.macbook-mockup {
    width: 900px;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Melhoria UX do Iframe: Bloqueio de scroll acidental */
.screen-content {
    position: relative;
}

.iframe-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.3s;
}

.iframe-overlay:hover {
    background: rgba(13, 71, 161, 0.03);
}

.iframe-overlay.active {
    display: none;
}

.macbook-mockup {
    width: 900px;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.macbook-screen {
    background: #000;
    border-radius: 12px 12px 0 0;
    /* Air has slightly tighter corners */
    padding: 10px;
    /* Thinner bezel for Air feel */
    position: relative;
    border: 4px solid #1a1a1b;
    /* Sleeker border */
    aspect-ratio: 16/10;
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.18), 0 18px 36px -18px rgba(0, 0, 0, 0.2);
}

.screen-content {
    background: #fff;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    display: block;
    overflow: hidden;
}

.screen-content iframe {
    display: block;
    width: 100%;
    height: 100%;
}

.macbook-body {
    height: 8px;
    /* Thinner body for Air */
    background: linear-gradient(to bottom, #e1e1e1 0%, #d1d1d1 100%);
    border-radius: 0 0 16px 16px;
    position: relative;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.macbook-body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: #c1c1c1;
    border-radius: 0 0 8px 8px;
}

/* Status Indicator */
.status-container {
    margin-top: 3.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.status-indicator-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #34c759;
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 8px rgba(52, 199, 89, 0.6);
}

.status-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #34c759;
    border-radius: 50%;
    animation: status-glow 2s ease-in-out infinite;
}

@keyframes status-glow {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(2.2);
        opacity: 0;
    }
}

.status-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.status-bold {
    color: #34c759;
    font-weight: 700;
}

.status-powered {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.8;
    /* Aumentado para ficar bem visível */
    transition: all 0.3s ease;
}

.status-powered:hover {
    opacity: 1;
    transform: scale(1.05);
    /* Pequeno aumento ao passar o mouse */
}

.status-powered span {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.status-logo {
    height: 18px;
    /* Removido o filtro grayscale para manter a cor original */
}

/* OpenAI Section */
.section-openai {
    padding: 70px 0 80px 0;
    /* Aumentado para 70px para dar um pouco mais de respiro, sem afastar demais */
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 20px;
    background: var(--color-white);
    border: 1px solid rgba(3, 74, 177, 0.2);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.whatsapp-icon {
    color: #25D366;
    /* WhatsApp Green */
}

.openai-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.openai-text h2 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 2.5rem;
}

.openai-text p {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
}

.openai-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.feature-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(13, 71, 161, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(13, 71, 161, 0.08);
    border-color: #64B5F6;
}

.feature-card .icon {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}



/* Manifesto Section */
.section-manifesto {
    padding: 80px 0 100px 0;
    /* Padding reduzido no topo para subir a dobra conforme solicitado */
    background: linear-gradient(90deg, #00b3ff 0%, #034ab1 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.marquee-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    z-index: 1;
    pointer-events: none;
    user-select: none;
}

.marquee-track {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: marquee 40s linear infinite;
    gap: 120px;
}

.marquee-logo {
    height: 120px;
    width: auto;
    filter: brightness(0) invert(1);
    /* Makes them pure white */
    opacity: 0.12;
    /* Ghost effect increased for visibility */
    pointer-events: none;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.manifesto-card {
    background: rgba(13, 71, 161, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 60px 40px;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.manifesto-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.manifesto-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-white);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.section-manifesto blockquote {
    font-size: 2.8rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0;
}

.section-manifesto .highlight {
    color: var(--color-accent);
}

/* Footer Section */
.footer {
    padding: 80px 0 40px;
    background-color: var(--color-white);
    border-top: 1px solid #d2d2d7;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid #e5e5e7;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Section Spacing */
section {
    padding: 140px 0;
    /* Mais respiro entre as áreas */
}

/* Responsive */
@media (max-width: 992px) {
    .openai-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .section-manifesto blockquote {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }

    .hero {
        padding-top: 120px;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-content p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .macbook-mockup {
        width: 100%;
        padding: 0 10px;
    }

    .macbook-screen {
        border-width: 2px;
        padding: 5px;
    }

    .openai-text h2 {
        font-size: 2.5rem;
    }

    .section-manifesto blockquote {
        font-size: 1.8rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .nav-links {
        display: none;
    }

    .logo img {
        height: 24px;
    }

    .marquee-logo {
        height: 60px;
    }

    .marquee-track {
        gap: 60px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 10px;
    }

    .openai-text h2 {
        font-size: 2rem;
    }
}