/* CSS Variables */
:root {
    --primary-color: #00d2ff;
    --secondary-color: #9d50bb;
    --accent-color: #6e48aa;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-text: #f8fafc;
    --gray-text: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, .logo {
    font-family: 'Montserrat', sans-serif;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.section {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--darker-bg);
}

.bg-gradient {
    background: var(--gradient);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 800;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(157, 80, 187, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(157, 80, 187, 0.6);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: scale(1.05);
}

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

.btn-text {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-text:hover i {
    transform: translateX(5px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1px;
}

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

.nav ul {
    display: flex;
    gap: 30px;
}

.nav a {
    font-weight: 500;
    font-size: 0.95rem;
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 40px;
    z-index: 10;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 900;
}

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

.hero-content p {
    font-size: 1.25rem;
    color: var(--gray-text);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
}

.c1 { top: 0; left: 20%; animation-delay: 0s; }
.c2 { top: 40%; left: 60%; animation-delay: 2s; }
.c3 { top: 70%; left: 10%; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.hero-gradient-bg {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(157, 80, 187, 0.2) 0%, transparent 70%);
    filter: blur(60px);
    z-index: 1;
}

/* Cards Section */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.card {
    background: var(--glass-bg);
    padding: 40px 30px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 25px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.card p {
    color: var(--gray-text);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

/* Steps Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: 20%;
    font-size: 5rem;
    font-weight: 900;
    opacity: 0.05;
    color: white;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.step:hover .step-icon {
    transform: scale(1.1);
    background: var(--gradient);
    color: white;
}

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

.advantage-card {
    display: flex;
    flex-direction: column;
    padding: 40px;
    background: var(--glass-bg);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.advantage-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.advantage-card h3 {
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--gray-text);
}

/* Simulator Form */
.simulator-container {
    background: var(--darker-bg);
    border-radius: 32px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    box-shadow: var(--shadow);
}

.simulator-info h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.simulator-form .form-group {
    margin-bottom: 20px;
}

.simulator-form input, .simulator-form select {
    width: 100%;
    padding: 16px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.simulator-form input:focus, .simulator-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

.simulator-form select option {
    background: var(--dark-bg);
}

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

.testimonial {
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}

.stars {
    color: #fbbf24;
    margin-bottom: 20px;
    font-size: 0.8rem;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 30px;
    color: var(--gray-text);
}

.user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-img {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.user-info strong {
    display: block;
    font-size: 1.1rem;
}

.user-info span {
    font-size: 0.85rem;
    color: var(--gray-text);
}

/* CTA Final */
.cta-final {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at center, var(--accent-color) 0%, var(--darker-bg) 100%);
}

.cta-final h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.cta-final p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 40px;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Footer */
.footer {
    background-color: var(--darker-bg);
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-col p, .footer-col ul li {
    margin-bottom: 12px;
    color: var(--gray-text);
}

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsiveness */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content p {
        margin: 0 auto 40px;
    }
    .hero-btns {
        justify-content: center;
    }
    .hero-image {
        display: none;
    }
    .simulator-container {
        grid-template-columns: 1fr;
        padding: 40px;
    }
    .section-title {
        font-size: 2rem;
    }
    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(10px);
        padding: 40px 20px;
        border-bottom: 1px solid var(--glass-border);
    }
    .nav ul {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }
    .nav a {
        font-size: 1.2rem;
    }
    .header-cta {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .cta-btns {
        flex-direction: column;
    }
    .hero-btns {
        flex-direction: column;
    }
}