:root {
    --bg-dark: #0f1115;
    --bg-card: #1a1d24;
    --primary-green: #25d366;
    --primary-green-hover: #128c7e;
    --accent-blue: #00f2fe;
    --accent-purple: #9b51e0;
    --text-main: #f0f2f5;
    --text-muted: #a0aab2;
    --font-primary: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--text-main);
    transition: color 0.3s;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header */
.header {
    background-color: rgba(15, 17, 21, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 15px;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, rgba(15,17,21,1) 0%, rgba(26,29,36,1) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(155,81,224,0.1) 0%, rgba(15,17,21,0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-whatsapp {
    background-color: var(--primary-green);
    color: #fff;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: var(--primary-green-hover);
    transform: translateY(-3px);
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.05);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

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

.card {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(255,255,255,0.1);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-blue);
}

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

/* Plans */
.plan-card {
    background: linear-gradient(180deg, var(--bg-card) 0%, rgba(26,29,36,0.5) 100%);
    padding: 50px 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
}

.plan-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.plan-card .price-placeholder {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin: 30px 0;
    font-weight: 500;
}

.plan-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.plan-features li {
    margin-bottom: 15px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li::before {
    content: '✓';
    color: var(--primary-green);
    font-weight: bold;
}

/* FAQ Accordion */
.faq-item {
    background-color: var(--bg-card);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 500px;
}

.faq-icon {
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* Content blocks */
.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-block {
    margin-bottom: 40px;
}

.content-block h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-blue);
}

.content-block p {
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.content-block ul {
    margin-bottom: 15px;
    padding-left: 20px;
    color: var(--text-muted);
}

.content-block li {
    margin-bottom: 10px;
}

/* Breadcrumb */
.breadcrumb {
    padding: 100px 0 20px;
    background-color: var(--bg-dark);
}

.breadcrumb a {
    color: var(--accent-blue);
}

.breadcrumb span {
    color: var(--text-muted);
}

/* Float CTA */
.float-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-green);
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s;
    text-decoration: none;
}

.float-whatsapp:hover {
    transform: scale(1.1);
    color: #fff;
}

.float-whatsapp svg {
    width: 35px;
    height: 35px;
    fill: currentColor;
}

/* Footer */
.footer {
    background-color: var(--bg-card);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-desc {
    color: var(--text-muted);
}

.footer h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Image blocks */
.img-responsive {
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Flex Row */
.flex-row {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
}

.flex-row:nth-child(even) {
    flex-direction: row-reverse;
}

.flex-content {
    flex: 1;
}

.flex-image {
    flex: 1;
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .grid-3 {
        grid-template-columns: md;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .flex-row {
        flex-direction: column !important;
    }
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-card);
        flex-direction: column;
        padding: 20px;
        text-align: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}