:root {
    --bg-dark: #0a0a0a;
    --bg-card: #111111;
    --primary-green: #00ff41;
    --alert-red: #ff3333;
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
}

/* ================
   WHATSAPP FLOAT
   ================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
}

h1,
h2,
h3,
h4 {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-white);
}

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

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    text-transform: uppercase;
    transition: all 0.3s;
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--alert-red);
    color: white;
    box-shadow: 0 0 15px rgba(255, 51, 51, 0.4);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 51, 51, 0.6);
}

.btn-outline {
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
    margin-left: 10px;
}

.btn-outline:hover {
    background: rgba(0, 255, 65, 0.1);
}

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

/* HERO */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 120px 20px 80px 20px;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
    overflow: hidden;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.hero-text {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 40px auto;
    position: relative;
    z-index: 2;
}

.highlight {
    color: var(--primary-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.badge {
    background: rgba(0, 255, 65, 0.1);
    color: var(--primary-green);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: inline-block;
    border: 1px solid var(--primary-green);
}

.trust-badge {
    margin-top: 40px;
    color: #555;
    font-size: 0.9rem;
}

/* PAIN POINTS */
.pain-points {
    padding: 100px 0;
    background-color: #050505;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card-pain {
    background: #111;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #222;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.card-pain:hover {
    border-color: var(--alert-red);
    transform: translateY(-5px);
}

.pain-icon {
    font-size: 3rem;
    color: var(--alert-red);
    margin-bottom: 20px;
    opacity: 0.8;
}

/* FEATURES */
.features {
    padding: 100px 0;
    background: var(--bg-card);
}

.card-feature {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #333;
    transition: 0.3s;
}

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

.card-feature i {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: 20px;
}

/* TABS GALLERY */
.showcase {
    padding: 100px 0;
}

.tabs-gallery {
    margin-top: 40px;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.tab-btn {
    background: transparent;
    border: 1px solid #333;
    color: #777;
    padding: 10px 20px;
    font-family: 'Outfit';
    font-weight: bold;
    cursor: pointer;
    border-radius: 30px;
    transition: 0.3s;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    border-color: var(--primary-green);
    color: white;
}

.tab-btn.active {
    background: var(--primary-green);
    color: black;
    border-color: var(--primary-green);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-align: center;
}

.tab-content.active {
    display: block;
    opacity: 1;
}

.app-screen {
    width: 100%;
    border-radius: 12px;
    border: 2px solid #333;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.mobile-wrapper {
    max-width: 320px;
    margin: 0 auto;
    text-align: center;
}

.showcase-item {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.showcase-text {
    margin-bottom: 20px;
}

/* FAQ SECTION */
.faq-section {
    padding: 100px 0;
    background: #080808;
    border-top: 1px solid #111;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.faq-item {
    background: #111;
    padding: 30px;
    border-radius: 12px;
    border-left: 2px solid #333;
}

.faq-item h4 {
    color: white;
    margin-bottom: 10px;
    font-family: 'Outfit';
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-item h4 i {
    color: var(--primary-green);
}

.faq-item p {
    color: #888;
    font-size: 0.95rem;
}

/* GUARANTEE SECTION */
.guarantee {
    padding: 60px 0;
    background: #000;
    border: 1px dashed #333;
    margin: 40px 0;
}

.guarantee-content {
    display: flex;
    align-items: center;
    gap: 30px;
    justify-content: center;
    text-align: left;
}

.guarantee-icon {
    font-size: 4rem;
    color: var(--primary-green);
}

.guarantee-text h3 {
    color: white;
    margin-bottom: 10px;
}

.guarantee-text p {
    color: #aaa;
    max-width: 600px;
}

/* MARQUEE TESTIMONIALS (NANO BANA/QUADRADOS) */
.testimonials {
    background: #080808;
    padding: 100px 0;
    border-top: 1px solid #111;
    overflow: hidden;
}

.marquee-wrapper {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    margin-top: 50px;
    position: relative;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
    content: "";
    position: absolute;
    top: 0;
    width: 200px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, #080808, transparent);
}

.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, #080808, transparent);
}

.marquee-content {
    display: inline-block;
    animation: scroll 40s linear infinite;
}

.marquee-content:hover {
    animation-play-state: paused;
}

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

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

.nano-bana {
    display: inline-block;
    width: 350px;
    background: #111;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #222;
    margin: 0 20px;
    vertical-align: top;
    white-space: normal;
    /* Fix text wrapping inside card */
    text-align: center;
}

.user-avatar-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    /* Small Square (Quadrant Pequeno) */
    margin: 0 auto 15px auto;
    display: block;
    box-shadow: 0 0 0 2px var(--primary-green);
}

.nano-bana p {
    font-style: italic;
    margin-bottom: 15px;
    color: #ddd;
    font-size: 0.9rem;
}

.nano-bana h4 {
    color: white;
    margin-bottom: 5px;
    font-size: 1rem;
}

.nano-bana span {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* CONTACT FORM */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(to top, #000, #111);
    text-align: center;
}

.form-wrapper {
    max-width: 550px;
    margin: 0 auto;
    background: #1a1a1a;
    padding: 50px;
    border-radius: 20px;
    border: 1px solid #333;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 0.9rem;
    color: #ccc;
}

.input-group input {
    width: 100%;
    padding: 14px;
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 6px;
    color: white;
}

/* FOOTER & NAV */
footer {
    padding: 60px 0;
    background: #000;
    border-top: 1px solid #222;
}

.mobile-nav {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(10, 10, 10, 0.95);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid #333;
}

/* MEDIA QUERIES */
@media (max-width: 768px) {
    .mobile-nav {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .guarantee-content {
        flex-direction: column;
        text-align: center;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .nano-bana {
        width: 300px;
        padding: 20px;
    }
}