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

:root {
    /* Color Palette */
    --background: hsl(281, 31%, 35%);
    --foreground: hsl(0, 0%, 100%);
    --card: hsl(281, 40%, 25%);
    --card-foreground: hsl(0, 0%, 100%);
    --popover: hsl(281, 31%, 35%);
    --popover-foreground: hsl(0, 0%, 100%);
    --primary: hsl(32, 99%, 55%);
    --primary-foreground: hsl(281, 40%, 25%);
    --secondary: hsl(281, 62%, 44%);
    --secondary-foreground: hsl(0, 0%, 100%);
    --muted: hsl(281, 20%, 45%);
    --muted-foreground: hsl(0, 0%, 85%);
    --accent: hsl(32, 100%, 62%);
    --accent-foreground: hsl(281, 40%, 25%);
    --destructive: hsl(0, 84.2%, 60.2%);
    --destructive-foreground: hsl(210, 40%, 98%);
    --border: hsl(281, 30%, 30%);
    --input: hsl(281, 30%, 30%);
    --ring: hsl(32, 99%, 55%);
    --radius: 0.5rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.font-medium {
    font-weight: 500;
}

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    border-bottom: 1px solid var(--border);
    background-color: rgba(281, 31%, 35%, 0.95);
    backdrop-filter: blur(8px);
}

.header-top {
    background-color: rgba(32, 99%, 55%, 0.1);
    border-bottom: 1px solid rgba(32, 99%, 55%, 0.2);
}

.header-top-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.header-top-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-top-item .icon {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

.header-main {
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    height: 4rem;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo-img {
    height: auto;
    max-width: 180px;
}

.nav-desktop {
    display: none;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.2s;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: block;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--foreground);
    cursor: pointer;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

.hidden-md {
    display: none;
}

@media (min-width: 768px) {
    .hidden-md {
        display: inline-flex;
    }
}

.hidden-sm {
    display: none;
}

@media (min-width: 640px) {
    .hidden-sm {
        display: flex;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--card);
    z-index: 100;
    transition: right 0.3s ease;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.2);
}

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

.mobile-menu-content {
    padding: 2rem;
}

.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--foreground);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 3rem;
}

.mobile-nav-link {
    display: flex;
    width: 100%;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
    border: none;
    outline: none;
}

.btn:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.5;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    padding: 0.625rem 1rem;
}

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

.btn-lg {
    height: 2.75rem;
    padding: 0 2rem;
    font-size: 1rem;
}

.btn-outline {
    border: 1px solid var(--primary);
    background-color: transparent;
    color: var(--primary);
    padding: 0.625rem 1rem;
}

.btn-outline:hover {
    background-color: rgba(32, 99%, 55%, 0.1);
}

/* Hero Section */
.hero-section {
    padding: 2rem 0;
    background: linear-gradient(to bottom right, var(--secondary), var(--background), var(--background));
}

.hero-grid {
    display: grid;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.1;
    background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-description {
    max-width: 600px;
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.25rem;
    }
}

.hero-contact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.hero-contact .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.hero-contact .whatsapp-link {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

.hero-contact .whatsapp-link:hover {
    color: var(--accent);
}

.hero-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.feature-icon {
    color: var(--primary);
    margin-top: 0.25rem;
}

.hero-devices {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1rem;
}

.device-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.device-icon {
    width: 2rem;
    height: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.device-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 400px) {
    .hero-actions {
        flex-direction: row;
    }
}

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Stats Section */
.stats-section {
    padding: 3rem 0;
    background-color: rgba(281, 31%, 35%, 0.5);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .stat-number {
        font-size: 3rem;
    }
}

.stat-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Features Section */
.features-section {
    padding: 2rem 0;
    background-color: var(--background);
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    border-radius: var(--radius);
    background-color: rgba(32, 99%, 55%, 0.2);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

.section-description {
    max-width: 900px;
    color: var(--muted-foreground);
}

@media (min-width: 768px) {
    .section-description {
        font-size: 1.125rem;
    }
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(32, 99%, 55%, 0.3);
    background-color: var(--card);
    padding: 1.5rem;
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: rgba(32, 99%, 55%, 0.6);
}

.feature-icon-wrapper {
    border-radius: 50%;
    background-color: rgba(32, 99%, 55%, 0.2);
    padding: 1rem;
}

.feature-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.feature-description {
    text-align: center;
    color: var(--muted-foreground);
}

/* Plans Section */
.plans-section {
    padding: 2rem 0;
    background: linear-gradient(to bottom, var(--background), rgba(281, 62%, 44%, 0.2));
}

.plans-cta {
    margin-top: 2rem;
    text-align: center;
}

/* Test Section */
.test-section {
    padding: 2rem 0;
    background-color: var(--background);
}

.test-cta {
    width: 100%;
    max-width: 24rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.test-note {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-align: center;
}

/* FAQ Section */
.faq-section {
    padding: 2rem 0;
    background: linear-gradient(to bottom, rgba(281, 62%, 44%, 0.1), var(--background));
}

.faq-list {
    max-width: 48rem;
    margin: 2rem auto 0;
    display: grid;
    gap: 0;
    border-radius: var(--radius);
    border: 1px solid rgba(32, 99%, 55%, 0.3);
    background-color: var(--card);
    overflow: hidden;
}

.faq-item {
    display: grid;
    gap: 0.375rem;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(32, 99%, 55%, 0.3);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-answer {
    color: var(--muted-foreground);
}

.faq-cta {
    margin-top: 2rem;
    text-align: center;
}

/* Contact Section */
.contact-section {
    padding: 2rem 0;
    background-color: var(--background);
}

.contact-cta {
    width: 100%;
    max-width: 24rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-note {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-align: center;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    background-color: rgba(281, 20%, 45%, 0.5);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem 0;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 3rem 0;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-logo-img {
    height: auto;
    max-width: 150px;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.footer-payment {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.footer-payment .icon {
    width: 1rem;
    height: 1rem;
    color: var(--muted-foreground);
}

.footer-payment span {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 640px) {
    .footer-nav {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-nav-column {
    display: grid;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.footer-nav-title {
    font-weight: 600;
}

.footer-nav-link {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-nav-link:hover {
    color: var(--foreground);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 1rem 0;
}

.footer-bottom-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background-color: #25D366;
    color: white;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    transition: background-color 0.2s;
}

.whatsapp-float:hover {
    background-color: #20BA5A;
}

.whatsapp-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.text-4xl {
    font-size: 2.25rem;
}

.text-5xl {
    font-size: 3rem;
}

/* Plans Grid */
.plans-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .plans-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.plan-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    background-color: var(--card);
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Overlay for mobile menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

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