/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --bg-dark: #0B0F14;
    --bg-dark-alt: #0E1116;
    --accent-cyan: #00E0FF;
    --accent-teal: #3BE1C5;
    --text-primary: #E7EDF3;
    --text-secondary: #A7B0BA;
    --success: #1ACA8C;
    --error: #FF5A67;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;
    --card-padding: 32px;
    --border-radius: 16px;
    
    /* Shadows */
    --shadow-glow: 0 8px 32px rgba(0, 224, 255, 0.15);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 300ms ease-out;
    --transition-smooth: 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(28px, 5vw, 56px);
}

h2 {
    font-size: clamp(28px, 4vw, 44px);
    margin-bottom: 16px;
}

h3 {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--bg-dark);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 224, 255, 0.25);
}

.btn-secondary {
    background: rgba(59, 225, 197, 0.1);
    color: var(--accent-teal);
    border: 1px solid var(--accent-teal);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(59, 225, 197, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* Fixed Header */
.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 15, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 224, 255, 0.1);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-whatsapp {
    padding: 12px 24px;
    background: rgba(37, 211, 102, 0.1);
    color: #25D366;
    border: 1px solid rgba(37, 211, 102, 0.3);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
    font-size: 16px;
    display: inline-block;
}

.btn-whatsapp:hover {
    background: rgba(37, 211, 102, 0.2);
    border-color: #25D366;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger-menu span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(11, 15, 20, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1001;
    transition: left var(--transition-smooth);
    overflow-y: auto;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-content {
    padding: 80px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 18px;
    transition: color var(--transition-fast);
}

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

/* Floating CTA */
.floating-cta {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--bg-dark);
    border: none;
    padding: 16px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 224, 255, 0.4);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.floating-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 224, 255, 0.5);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(0, 224, 255, 0.1), transparent);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 32px;
    color: var(--text-secondary);
}

.hero-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
    display: inline-block;
}

.hero-features li {
    padding: 12px 0;
    font-size: 18px;
}

.hero-location {
    text-align: center;
    color: var(--accent-cyan);
    font-weight: 500;
    margin: 16px 0;
    font-size: 16px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.hero-copy {
    font-size: 14px;
    font-style: italic;
    color: var(--accent-teal);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.animate-fade-in.delay-1 { animation-delay: 0.1s; }
.animate-fade-in.delay-2 { animation-delay: 0.2s; }
.animate-fade-in.delay-3 { animation-delay: 0.3s; }
.animate-fade-in.delay-4 { animation-delay: 0.4s; }

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-smooth);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Sections */
section {
    padding: var(--section-padding);
    position: relative;
}

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

.subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 16px auto 0;
}

/* How It Works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.step-card {
    background: rgba(59, 225, 197, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 225, 197, 0.2);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    transition: all var(--transition-fast);
}

.step-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-teal);
    box-shadow: var(--shadow-card);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 20px;
}

.step-card h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-secondary);
}

.security-note {
    background: rgba(255, 90, 103, 0.1);
    border: 1px solid rgba(255, 90, 103, 0.3);
    border-radius: var(--border-radius);
    padding: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.security-note p {
    color: var(--error);
}

/* Download CTA */
.download-cta {
    background: rgba(0, 224, 255, 0.05);
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    margin-bottom: 16px;
}

.download-content p {
    margin-bottom: 32px;
    font-size: 18px;
}

/* Advantages */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.advantage-card {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    text-align: center;
    transition: all var(--transition-fast);
}

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.advantage-card h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.service-category {
    background: rgba(59, 225, 197, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(59, 225, 197, 0.2);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    transition: all var(--transition-fast);
}

.service-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

.service-category h3 {
    color: var(--accent-teal);
    margin-bottom: 20px;
    font-size: 22px;
}

.service-category ul {
    list-style: none;
}

.service-category li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.service-category li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
}

.service-hint {
    margin-top: 16px;
    padding: 12px;
    background: rgba(0, 224, 255, 0.05);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 8px;
    font-size: 14px;
    color: var(--accent-cyan);
    font-style: italic;
}

.other-services {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    margin-bottom: 40px;
}

.other-services h3 {
    color: var(--accent-teal);
    margin-bottom: 20px;
}

.other-services ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
}

.other-services li {
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.other-services li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
}

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

/* Guarantees */
.guarantees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.guarantee-card {
    background: rgba(26, 202, 140, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(26, 202, 140, 0.2);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    text-align: center;
    transition: all var(--transition-fast);
}

.guarantee-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(26, 202, 140, 0.2);
}

.guarantee-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.guarantee-card h3 {
    margin-bottom: 12px;
    color: var(--text-primary);
}

.guarantee-card p {
    color: var(--text-secondary);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--accent-cyan);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--accent-cyan);
}

.faq-icon {
    font-size: 24px;
    transition: transform var(--transition-fast);
    color: var(--accent-cyan);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
}

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

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-secondary);
}

/* Contacts */
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.contact-item {
    background: rgba(0, 224, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 224, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    display: flex;
    gap: 20px;
    align-items: center;
    transition: all var(--transition-fast);
    min-width: 0;
}

.contact-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

.contact-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.contact-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.contact-info h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.contact-info a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    transition: color var(--transition-fast);
    word-break: break-all;
    overflow-wrap: break-word;
    display: block;
}

.contact-info a:hover {
    color: var(--accent-cyan);
}

.contacts-note {
    text-align: center;
    margin-bottom: 32px;
}

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

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid rgba(0, 224, 255, 0.3);
    border-radius: var(--border-radius);
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 32px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-content h2 {
    margin-bottom: 32px;
}

/* Form */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 224, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.error-message {
    display: block;
    margin-top: 4px;
    font-size: 14px;
    color: var(--error);
    min-height: 20px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
    margin-top: 4px;
}

.checkbox-label a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

.btn-submit {
    width: 100%;
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-dark);
    border: 1px solid var(--accent-cyan);
    color: var(--text-primary);
    padding: 16px 32px;
    border-radius: var(--border-radius);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-glow);
    max-width: 90%;
}

.toast.show {
    opacity: 1;
    visibility: visible;
}

.toast.success {
    border-color: var(--success);
    box-shadow: 0 8px 32px rgba(26, 202, 140, 0.3);
}

.toast.error {
    border-color: var(--error);
    box-shadow: 0 8px 32px rgba(255, 90, 103, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --card-padding: 24px;
    }
    
    .header-actions {
        display: none;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .floating-cta {
        display: block;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid,
    .guarantees-grid,
    .contacts-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 40px 0;
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
}