/* ==========================================
   Texugo Telecom - Website Stylesheet
   Design System baseado no Lovable
   ========================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - HSL Format */
    --color-background: hsl(0 0% 100%);
    --color-foreground: hsl(200 25% 15%);

    --color-primary: hsl(197 71% 30%);
    --color-primary-light: hsl(197 71% 45%);
    --color-primary-foreground: hsl(0 0% 100%);

    --color-secondary: hsl(197 71% 73%);
    --color-secondary-foreground: hsl(197 71% 15%);

    --color-accent: hsl(24 95% 53%);
    --color-accent-foreground: hsl(0 0% 100%);

    --color-muted: hsl(200 12% 95%);
    --color-muted-foreground: hsl(200 10% 45%);

    --color-border: hsl(200 15% 90%);
    --color-card: hsl(0 0% 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-background);
    color: var(--color-foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ==========================================
   Container & Layout
   ========================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   Header
   ========================================== */

.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo img {
    height: 120px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-menu a {
    color: var(--color-foreground);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
}

.social-btn:hover {
    transform: scale(1.1);
}

.social-btn.instagram {
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
    color: white;
}

.social-btn.whatsapp {
    background-color: #25D366;
    color: white;
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    overflow: hidden;
}

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

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
}

.hero-content {
    color: white;
    z-index: 1;
}

.hero-tag {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.text-gradient {
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 500px;
    position: relative;
}

.mascot {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
    position: relative;
}

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

/* Chat Bubbles */
.chat-bubbles {
    position: absolute;
    right: -100px;
    top: 40%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 280px;
    z-index: 10;
}

.chat-bubble {
    background-color: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    opacity: 0;
}

.chat-bubble::after {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-right: 10px solid white;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.bubble-1 {
    animation: bubbleSequence 12s ease-in-out infinite;
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.bubble-2 {
    animation: bubbleSequence 12s ease-in-out 3s infinite;
    color: var(--color-foreground);
    line-height: 1.5;
}

.bubble-3 {
    animation: bubbleSequence 12s ease-in-out 6s infinite;
    font-weight: var(--font-weight-semibold);
    color: var(--color-foreground);
}

.bubble-4 {
    animation: bubbleSequence 12s ease-in-out 9s infinite;
    padding: 0;
    background: transparent;
    box-shadow: none;
}

.bubble-4::after {
    display: none;
}

.btn-chat-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: #25D366;
    color: white;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-chat-whatsapp:hover {
    background-color: #1ea952;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

@keyframes bubbleSequence {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    2.5% {
        opacity: 1;
        transform: translateX(0);
    }
    22.5% {
        opacity: 1;
        transform: translateX(0);
    }
    25% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 0;
        transform: translateX(-50px);
    }
}

/* ==========================================
   Buttons
   ========================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-accent-foreground);
    font-weight: var(--font-weight-semibold);
    font-size: 1.125rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background-color: hsl(24 95% 48%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: var(--color-accent);
    color: var(--color-accent-foreground);
    font-weight: var(--font-weight-semibold);
    font-size: 1.125rem;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
}

.btn-plan:hover {
    background-color: hsl(24 95% 48%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   Features Section
   ========================================== */

.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--color-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feature-icon svg {
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-foreground);
}

.feature-card p {
    color: var(--color-muted-foreground);
    line-height: 1.6;
}

/* ==========================================
   Series Section
   ========================================== */

.series {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.series-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.series-image {
    width: 100%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.series-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.series-image:hover img {
    transform: scale(1.05);
}

.series-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.series-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--color-foreground);
}

.series-subtitle {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.subtitle-first {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-foreground);
    line-height: 1.3;
}

.subtitle-second {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    line-height: 1.3;
}

/* ==========================================
   About Section
   ========================================== */

.about {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-foreground);
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.4;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.about-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    color: white;
}

.about-card svg {
    margin-bottom: var(--spacing-sm);
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.about-card p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.card-purple {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.card-orange {
    background: linear-gradient(135deg, var(--color-accent), hsl(24 95% 60%));
}

.card-blue {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
}

/* ==========================================
   Plans Section
   ========================================== */

.plans {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-muted);
}

.plans-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.plans-header h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-foreground);
    margin-bottom: var(--spacing-sm);
}

.plans-tag {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.plans-description {
    max-width: 42rem;
    margin: 0 auto;
    color: var(--color-muted-foreground);
    line-height: 1.6;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

@media (min-width: 1200px) {
    .plans-grid {
        max-width: 1600px;
    }

    .plans .container {
        max-width: 1650px;
    }
}

.plan-card {
    background-color: var(--color-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.plan-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-2xl);
}

.plan-image {
    width: calc(100% + var(--spacing-xl) * 2);
    height: 200px;
    margin: calc(-1 * var(--spacing-xl));
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.plan-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.plan-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.plan-label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
    min-height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.plan-city {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-foreground);
    margin-bottom: var(--spacing-md);
    min-height: 3.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.plan-price {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.plan-price .currency {
    font-size: 3rem;
}

.plan-price .value {
    font-size: 3rem;
}

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

.plan-features {
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: var(--color-foreground);
}

.plan-features li svg {
    background-color: hsl(197 71% 30% / 0.1);
    border-radius: 50%;
    padding: 4px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ==========================================
   Apps Section
   ========================================== */

.apps {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.apps-content {
    text-align: center;
}

.apps-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--spacing-md);
}

.apps-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.apps-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
    align-items: center;
}

.app-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    color: white;
    transition: all 0.3s ease;
    min-width: 200px;
}

.app-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.app-button svg {
    width: 32px;
    height: 32px;
}

.app-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.app-label {
    font-size: 0.75rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.app-store {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.footer-col h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.footer-social-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-col ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.8;
}

.footer-col ul li svg {
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-title {
        font-size: 3.75rem;
    }

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

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

    .about-row:first-child {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .hero-title {
        font-size: 4rem;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================
   Botão Contrate Agora
   ========================================== */

.btn-contrate {
    background: linear-gradient(135deg, var(--color-accent), hsl(24 95% 60%));
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-contrate:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   Modal
   ========================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.modal-content {
    background-color: white;
    margin: 2% auto;
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    padding: 10px 20px;
    cursor: pointer;
}

.modal-close:hover {
    color: #000;
}

.modal-header {
    text-align: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.modal-logo {
    height: 80px;
}

.modal-body {
    padding: var(--spacing-2xl);
}

.modal-footer {
    text-align: center;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-muted);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.modal-footer p {
    margin: 0;
    color: var(--color-muted-foreground);
    font-size: 0.875rem;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.form-step h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.form-step input {
    width: 100%;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.input-with-icon {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.input-with-icon input {
    margin-bottom: 0;
}

.form-step input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-modal {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-sm);
}

.btn-modal:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-modal-secondary {
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.success-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, #4CAF50, #45a049);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.form-step p {
    text-align: center;
    color: var(--color-muted-foreground);
    line-height: 1.6;
}

/* Modal de Alerta */
.alert-modal {
    display: none !important;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
}

.alert-modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.alert-modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: slideDown 0.3s ease;
}

.alert-modal-content h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.alert-modal-content p {
    color: var(--color-muted-foreground);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.alert-modal-btn {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all 0.3s ease;
}

.alert-modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   Error Messages
   ========================================== */

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    display: none;
    margin-top: -0.5rem;
    margin-bottom: 0.75rem;
    padding-left: 0.25rem;
}

.error-message.show {
    display: block;
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 767px) {
    .logo img {
        height: 80px;
    }

    .nav-menu {
        display: none;
    }

    .btn-contrate {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    .modal-content {
        width: 95%;
        margin: 5% auto;
    }

    .modal-body {
        padding: var(--spacing-lg);
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-image {
        height: auto;
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .mascot {
        max-width: 280px;
    }

    .chat-bubbles {
        position: static;
        transform: none;
        max-width: 100%;
        order: -1;
    }

    .chat-bubble::after {
        display: none;
    }

    .apps-content h2 {
        font-size: 2rem;
    }

    .apps-content p {
        font-size: 1.125rem;
    }

    .series-content h2,
    .about-content h2 {
        font-size: 2rem;
    }

    .subtitle-first,
    .subtitle-second {
        font-size: 1.25rem;
    }

    .about-subtitle {
        font-size: 1.25rem;
    }

    .plans-header h2 {
        font-size: 2rem;
    }
}