/* ===========================
   VARIÁVEIS DE TEMA (MODELS)
=========================== */
:root[data-theme="neon"] {
    --bg-dark: #0a0a0a;
    --bg-surface: #141414;
    --bg-surface-glass: rgba(20, 20, 20, 0.7);
    --primary: #00ff88;
    --primary-glow: rgba(0, 255, 136, 0.4);
    --primary-dark: #00cc6a;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-text: linear-gradient(90deg, #ffffff, #00ff88);
}

:root[data-theme="gold"] {
    --bg-dark: #020617; /* Slate 950 - Azul muito escuro */
    --bg-surface: #0f172a; /* Slate 900 */
    --bg-surface-glass: rgba(15, 23, 42, 0.7);
    --primary: #ffd700;
    --primary-glow: rgba(255, 215, 0, 0.4);
    --primary-dark: #ccac00;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 215, 0, 0.15);
    --gradient-text: linear-gradient(90deg, #ffffff, #ffd700);
}

/* ===========================
   RESET & TIPOGRAFIA
=========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===========================
   THEME SWITCHER
=========================== */
.theme-switcher {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: rgba(0,0,0,0.8);
    padding: 10px 15px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.btn-sm {
    background: transparent;
    border: 1px solid var(--border-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: 0.3s;
}

.neon-btn:hover { border-color: #00ff88; color: #00ff88; }
.gold-btn:hover { border-color: #ffd700; color: #ffd700; }

/* ===========================
   NAVBAR
=========================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    font-family: 'Outfit', sans-serif;
}

.logo span {
    color: var(--primary);
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

nav a {
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s;
}

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

.nav-btn {
    border: 1px solid var(--primary);
    padding: 8px 20px;
    border-radius: 8px;
    color: var(--primary);
}

.nav-btn:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

/* ===========================
   HERO SECTION
=========================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78vh;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

/* Efeito de luz no fundo */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero h1 span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

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

.compatibility p {
    margin-bottom: 5px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.hero-image-composite {
    position: relative;
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

.hero-bg-img {
    width: 95%;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    opacity: 1;
    border: 1px solid var(--border-color);
}

.hero-float-1 {
    position: absolute;
    width: 50%;
    bottom: -15%;
    right: -10%;
    border-radius: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-color);
    animation: floatFast 6s ease-in-out infinite;
    z-index: 10;
}

.hero-float-2 {
    position: absolute;
    width: 50%;
    bottom: -15%;
    left: -10%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-color);
    animation: floatSlow 8s ease-in-out infinite;
    z-index: 15;
}

@keyframes floatFast {
    0% { transform: translateY(0px) rotate(1.5deg); }
    50% { transform: translateY(-20px) rotate(-0.5deg); }
    100% { transform: translateY(0px) rotate(1.5deg); }
}

@keyframes floatSlow {
    0% { transform: translateY(0px) rotate(-1.5deg); }
    50% { transform: translateY(-15px) rotate(0.5deg); }
    100% { transform: translateY(0px) rotate(-1.5deg); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    box-shadow: 0 0 80px var(--primary-glow);
    border-radius: 20px;
    z-index: -1;
    pointer-events: none;
}

/* ===========================
   BOTÕES
=========================== */
.btn {
    display: inline-block;
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    line-height: 1.4;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 5px 20px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

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

.pulse {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 var(--primary-glow); }
    70% { box-shadow: 0 0 0 20px rgba(0,0,0,0); }
    100% { box-shadow: 0 0 0 0 rgba(0,0,0,0); }
}

/* ===========================
   FEATURES
=========================== */
.features {
    padding: 80px 5%;
    text-align: center;
    background: var(--bg-surface);
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.features h2 span {
    color: var(--primary);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-dark);
    padding: 30px 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
}

.feature-card .icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
}

/* ===========================
   TRIAL STEPS
=========================== */
.trial-steps {
    padding: 80px 5%;
    text-align: center;
}

.trial-steps h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.trial-steps h2 span {
    color: var(--primary);
}

.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    position: relative;
}

/* Linha conectora */
.steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: -1;
}

.step {
    flex: 1;
    background: var(--bg-surface);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: -70px auto 20px;
    box-shadow: 0 5px 15px var(--primary-glow);
}

/* ===========================
   TESTIMONIALS
=========================== */
.testimonials {
    padding: 80px 5%;
    text-align: center;
    background: var(--bg-dark);
}

.testimonials h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.testimonials h2 span {
    color: var(--primary);
}

.testimonial-card {
    background: var(--bg-surface-glass);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: left;
    backdrop-filter: blur(10px);
    transition: transform 0.3s, border-color 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.testimonial-card .stars {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.testimonial-card p {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.testimonial-card .author {
    font-weight: bold;
    color: var(--primary);
    font-size: 0.9rem;
}

/* ===========================
   CTA FINAL
=========================== */
.cta-section {
    padding: 80px 5%;
}

.cta-box {
    background: var(--bg-surface-glass);
    border: 1px solid var(--primary);
    border-radius: 24px;
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-box p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.guarantee {
    margin-top: 20px;
    font-size: 0.9rem !important;
    color: var(--text-muted);
}

/* ===========================
   FOOTER
=========================== */
footer {
    padding: 40px 5%;
    background: #000;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    font-family: 'Outfit', sans-serif;
}

.footer-links {
    display: flex;
    gap: 20px;
}

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

.whatsapp-link {
    color: var(--primary) !important;
    font-weight: bold;
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding-top: 20px;
    border-top: 1px solid #222;
}

/* ===========================
   RESPONSIVO
=========================== */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 50px;
        min-height: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 60px;
    }
    
    .steps-container::before {
        display: none;
    }
    
    nav {
        display: none; /* Em um site real, teríamos um menu hamburguer */
    }
}