/**
 * CSS Principal - Athenas Equipe
 * Arquitetura baseada em BEM e variáveis modernas
 */

/* ==========================================================================
   1. Variáveis & Reset
   ========================================================================== */
:root {
    /* Cores Principais */
    --color-primary: #4f32ba;
    --color-primary-dark: #3a258c;
    --color-primary-light: #6a4bd8;
    --color-secondary: #facc15;
    
    /* Cores Neutras */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-border: #e2e8f0;
    --color-error: #ef4444;

    /* Fontes */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Espaçamentos e Medidas */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Breakpoints (apenas para referência, usamos media queries nativas) */
    --max-width: 1200px;
}

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

html {
    font-size: 100%; /* 16px base */
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* Offset para o header fixo */
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   2. Utilidades
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.text-primary { color: var(--color-primary); }
.bg-light { background-color: var(--color-bg-light); }
.mt-auto { margin-top: auto; }

/* Skip Link Acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    z-index: 10000;
    transition: top 0.3s;
}
.skip-link:focus { top: 0; }

/* ==========================================================================
   3. Botões
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
}
.btn--primary:hover, .btn--primary:focus-visible {
    background-color: var(--color-primary-dark);
    color: #fff;
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 2px;
}

.btn--outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn--outline:hover, .btn--outline:focus-visible {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn--full { width: 100%; }

/* ==========================================================================
   4. Header e Navegação
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: background-color 0.3s ease, padding 0.3s ease;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.header__logo-img { height: 75px; width: auto; }

.header__toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.nav__link {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    padding: 0.5rem;
    color: #ffffff;
    position: relative;
    letter-spacing: 0.5px;
}

.nav__link::after {
    display: none;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-secondary);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header .btn {
    background-color: #ffffff;
    color: var(--color-primary-dark);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}
.header .btn:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

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

.header .social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-secondary);
    border-radius: 50%;
    color: var(--color-secondary);
    font-size: 1.125rem;
}
.header .social-icon:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

.social-icon {
    font-size: 1.5rem;
    color: var(--color-text-light);
    transition: color 0.3s ease, background-color 0.3s ease;
}
.social-icon:hover { color: var(--color-primary); }

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

.carousel__track-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel__track {
    position: relative;
    height: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
    transition: transform 0.5s ease-in-out;
}

.carousel__slide {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100%;
    display: flex;
    align-items: center;
}

.carousel__image {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.carousel__overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(79, 50, 186, 0.8) 0%, rgba(79, 50, 186, 0.3) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    color: #fff;
    width: 100%;
}

.hero__text { max-width: 600px; }

.hero__title {
    color: #fff;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero__subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.carousel__button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    z-index: 10;
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, transform 0.3s;
    backdrop-filter: blur(4px);
}
.carousel__button:hover { background: rgba(255, 255, 255, 0.4); transform: translateY(-50%) scale(1.1); }

.carousel__button--left { left: 20px; }
.carousel__button--right { right: 20px; }

.carousel__nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.carousel__indicator {
    border: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}
.carousel__indicator.current-indicator {
    background: #fff;
    transform: scale(1.3);
}

/* ==========================================================================
   6. Seções Gerais
   ========================================================================== */
.section { padding: var(--spacing-xl) 0; }

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section__title {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}
.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

/* ==========================================================================
   7. About (O Colégio)
   ========================================================================== */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about__image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.about__image {
    width: 100%;
    transition: transform 0.5s ease;
}
.about__image:hover { transform: scale(1.05); }

.about__content p { margin-bottom: var(--spacing-sm); }

.about__list {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs);
}

.about__list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

/* ==========================================================================
   8. Cursos
   ========================================================================== */
.courses__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.course-card {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    border-bottom: 4px solid transparent;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-bottom-color: var(--color-primary);
}

.course-card__icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.course-card__title { font-size: 1.5rem; margin-bottom: 4px; }

.course-card__subtitle {
    font-size: 0.875rem;
    color: var(--color-primary-light);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.course-card__text { color: var(--color-text-light); margin-bottom: var(--spacing-md); }

/* ==========================================================================
   9. Admissão
   ========================================================================== */
.admission {
    background: url('../assets/images/WhatsApp-Image-2019-09-11-at-09.38.35.jpeg') center/cover fixed;
    position: relative;
    color: #fff;
    padding: var(--spacing-xl) 0;
}
.admission__overlay {
    position: absolute; 
    inset: 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.85) 0%, rgba(217, 119, 6, 0.85) 100%);
    z-index: 1;
}
.admission__container { position: relative; z-index: 2; }

.section__header--light .section__title { color: #fff; }
.section__header--light .section__title::after { background-color: #fff; }
.text-white { color: #fff !important; }

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

.admission__card {
    background: transparent;
    color: #fff;
    text-align: left;
}

.admission__icon {
    font-size: 4.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.admission__subtitle {
    font-size: 2rem;
    text-align: center;
    color: #fff;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.admission__desc {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 500;
}

.admission__subheading {
    font-size: 1rem;
    color: #fff;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.admission__list {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    text-align: left;
}

.admission__list li {
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.admission__action {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.btn--secondary {
    background-color: #032b5f;
    color: #fff;
    border-radius: 50px;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.btn--secondary:hover {
    background-color: #021a3b;
    transform: translateY(-2px);
    color: #fff;
}

/* ==========================================================================
   10. Contato e Formulário
   ========================================================================== */
.contact {
    background-color: #fff;
    padding: var(--spacing-xl) 0;
}

.contact__container {
    max-width: 1000px;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.contact__form-wrapper {
    padding: var(--spacing-md) 0;
}

.contact__title {
    color: var(--color-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

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

.form-group { margin-bottom: 0; }
.form-group--full { width: 100%; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 50, 186, 0.1);
}

.form-control:invalid:not(:placeholder-shown) { border-color: var(--color-error); }
.form-error { display: block; color: var(--color-error); font-size: 0.875rem; margin-top: 4px; min-height: 20px;}

.btn--submit {
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}
.btn--submit:hover {
    background-color: var(--color-primary-dark);
}

.contact__info {
    background-color: var(--color-primary);
    color: #fff;
    padding: var(--spacing-lg);
    border-top-right-radius: 40px;
    border-bottom-left-radius: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact__list {
    margin-bottom: var(--spacing-md);
}

.contact__list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.5;
    font-weight: 500;
}

.contact__list i {
    font-size: 1.5rem;
    color: #fff;
    margin-top: 2px;
}

.contact__social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-icon--outline {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: #fff;
    font-size: 1.25rem;
    transition: background-color 0.3s, border-color 0.3s;
}
.social-icon--outline:hover {
    background-color: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.footer {
    display: flex;
    flex-direction: column;
}

.footer__map {
    width: 100%;
    line-height: 0;
}

.footer__map iframe {
    width: 100%;
    height: 450px;
    border: none;
    display: block;
}

.footer__bottom {
    background-color: #e5e5e5;
    padding: var(--spacing-sm) 0;
    text-align: center;
    font-size: 0.875rem;
    color: #666;
    font-weight: 500;
}

/* ==========================================================================
   12. Responsividade (Mobile First -> Desktop)
   ========================================================================== */
@media (max-width: 991px) {
    .header__toggle { display: block; }
    
    .nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        clip-path: circle(0% at 100% 0);
        transition: clip-path 0.4s ease-in-out;
    }
    
    .nav.is-open { clip-path: circle(150% at 100% 0); }
    
    .nav__list {
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: 0;
    }
    
    .nav__link {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .header__actions {
        flex-direction: column;
        width: 100%;
        margin-top: var(--spacing-sm);
    }
    
    .about__grid, .contact__grid {
        grid-template-columns: 1fr;
    }
    
    .hero__title { font-size: 2.5rem; }
}

@media (max-width: 576px) {
    .about__list { grid-template-columns: 1fr; }
    .hero__title { font-size: 2rem; }
}