/* Variáveis de cores baseadas no design system do app */
:root {
    --primary: #6200EE;
    --primary-light: #7595f7;
    --primary-dark: #3700B3;
    --secondary: #03DAC6;
    --secondary-light: #66fff9;
    --secondary-dark: #00a896;
    --background: #FAFAFA;
    --surface: #FFFFFF;
    --surface-variant: #F5F5F5;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-hint: #BDBDBD;
    --error: #B00020;
    --success: #388E3C;
    --warning: #F57C00;
    --info: #1976D2;
    --disabled: #E0E0E0;
    --disabled-text: #9E9E9E;
    --alarm-active: #4CAF50;
    --alarm-inactive: #9E9E9E;
    --movement-progress: #FFC107;
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.2;
}

ul {
    list-style: none;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 16px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

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

.download-btn {
    padding: 15px 30px;
    font-size: 18px;
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
}

.btn-icon {
    margin-right: 10px;
    font-size: 24px;
}

/* Header e navegação */
.header {
    background-color: var(--surface);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

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

.logo img {
    height: 65px;
}

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

.nav a {
    color: var(--text-primary);
    font-weight: 500;
}

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

/* Seção Hero */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 25px;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 35px;
    line-height: 1.6;
    opacity: 0.95;
}

.hero .btn {
    font-size: 1.1rem;
    padding: 15px 40px;
}

/* Seção de recursos */
.features {
    padding: 80px 0;
    background-color: var(--surface);
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--surface-variant);
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

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

/* Seção Sobre */
.about {
    padding: 80px 0;
    background-color: var(--background);
}

.about h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 50px;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    margin-bottom: 40px;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 25px;
}

.about-text ul {
    display: inline-block;
    text-align: left;
    margin: 0 auto;
}

.about-text li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    position: relative;
    padding-left: 25px;
}

.about-text li:before {
    content: "✓";
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.about-image {
    flex: 1;
    text-align: center;
}

.about-image img {
    max-height: 400px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Seção Download */
.download {
    padding: 80px 0;
    background-color: var(--surface-variant);
    text-align: center;
}

.download h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

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

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-logo p {
    opacity: 0.8;
}

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

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact p {
    margin-bottom: 10px;
}

.footer-contact a {
    color: white;
    text-decoration: underline;
}

/* Logo e ícone com fundo roxo */
.logo-container {
    background-color: var(--primary);
    border-radius: 12px;
    padding: 10px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.logo-container img {
    height: 40px;
}

.footer-logo-container {
    border-radius: 12px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.footer-logo-container img {
    height: 60px;
}

.icon-container {
    background-color: var(--primary);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.icon-container img {
    width: 50px;
    height: 50px;
}

/* Placeholders com fundo atualizado */
.hero-placeholder {
    background-color: var(--primary);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    
}

.app-screen-placeholder {
    background-color: var(--primary);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  
}

/* Seletor de idioma */
.language-selector {
    position: relative;
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.language-selector select {
    padding: 8px 12px;
    border-radius: 50px;
    border: 1px solid var(--primary);
    background-color: transparent;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    appearance: none;
    padding-right: 30px;
    font-weight: 500;
}

.language-selector::after {
    content: '▼';
    font-size: 10px;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--primary);
}

.language-selector select:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(98, 0, 238, 0.2);
}

/* Subscription */
.subscription-card {
    background-color: var(--surface-variant);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    max-width: 600px;
    margin: 0 auto;
}

.subscription-card .feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.subscription-highlight {
    margin-top: 30px;
    padding: 20px;
    background-color: rgba(98, 0, 238, 0.08);
    border-radius: 10px;
    border-left: 4px solid var(--primary);
}

.subscription-highlight p {
    margin-bottom: 10px;
}

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

/* Responsividade */
@media (max-width: 900px) {
    .hero {
        padding: 70px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav ul {
        gap: 15px;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 50px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .subscription-card {
        padding: 25px;
    }
    
    .about-text ul {
        width: 100%;
        padding-left: 10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features,
    .about,
    .download {
        padding: 60px 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links ul {
        justify-content: center;
    }
    
    .language-selector {
        margin: 10px 0;
    }
}