/* ========================================
   Imobiliaria MVP - Mobile-First CSS
   ======================================== */

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

:root {
    --color-primary: #18181b;       /* Zinc-900 / Grafite escuro */
    --color-primary-light: #3f3f46; /* Zinc-700 / Cinza médio escuro */
    --color-primary-dark: #09090b;  /* Zinc-950 / Preto puro */
    --color-secondary: #d31235;     /* Vermelho do Logo (Destaque) */
    --color-warning: #f59e0b;       /* Amber-500 */
    --color-danger: #ef4444;        /* Red-500 */
    --color-success: #10b981;       /* Emerald-500 */
    --color-info: #0ea5e9;          /* Sky-500 */
    --color-text: #27272a;          /* Zinc-800 para texto principal */
    --color-text-light: #71717a;    /* Zinc-500 para textos secundários */
    --color-bg: #fafafa;            /* Off-white */
    --color-white: #ffffff;
    --color-border: #e4e4e7;        /* Zinc-200 */
    --color-whatsapp: #25d366;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius: 6px;
    --radius-lg: 10px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --font-family-serif: 'Playfair Display', Georgia, serif;
    --font-family-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6, .hero__title, .section__title, .card__title {
    font-family: var(--font-family-serif);
    font-weight: 700;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-secondary);
}

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

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Header / Nav --- */
.header {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    flex-wrap: wrap;
}

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

.nav__logo-img {
    height: 42px;
    display: block;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition);
}

.nav__logo:hover .nav__logo-img {
    transform: scale(1.02);
}

.nav__logo-admin-tag {
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    text-transform: uppercase;
    font-family: var(--font-family-sans);
    letter-spacing: 0.5px;
}

.nav__toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-white);
    cursor: pointer;
    padding: 0.25rem;
}

.nav__menu {
    list-style: none;
    width: 100%;
    display: none;
    flex-direction: column;
    gap: 0;
    padding-top: 0.5rem;
}

.nav__menu.active {
    display: flex;
}

.nav__menu li a {
    display: block;
    padding: 0.75rem 0;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav__menu li a:hover {
    color: var(--color-secondary);
}

/* --- Flash Messages --- */
.flash-container {
    padding-top: 1rem;
}

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
}

.flash--success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.flash--danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.flash--warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.flash--info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

.flash__close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0 0.25rem;
}

.flash__close:hover { opacity: 1; }

/* --- Hero --- */
.hero {
    background: linear-gradient(135deg, #18181b, #09090b);
    color: var(--color-white);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 3px solid var(--color-secondary);
}

.hero__title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

/* --- Sections --- */
.section {
    padding: 3rem 0;
}

.section--alt {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section__title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-primary-dark);
}

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

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    text-decoration: none;
    line-height: 1.4;
}

.btn--primary {
    background: var(--color-primary-dark);
    color: var(--color-white);
    border: 2px solid var(--color-primary-dark);
}

.btn--primary:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 18, 53, 0.25);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn--outline:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}

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

.btn--whatsapp:hover {
    background: #1da851;
    color: var(--color-white);
}

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

.btn--warning:hover {
    background: #e08e0b;
    color: var(--color-white);
}

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

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

.btn--danger:hover {
    background: #c0392b;
    color: var(--color-white);
}

.btn--full { width: 100%; }
.btn--lg { padding: 0.8rem 2rem; font-size: 1rem; }
.btn--sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

/* --- Cards Grid --- */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    color: var(--color-text);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--color-text);
}

.card__image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--color-border);
    overflow: hidden;
}

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

.card__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.card__badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.card__badge--aluguel {
    background: var(--color-secondary);
    color: var(--color-white);
}

.card__body {
    padding: 1rem;
}

.card__code {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
}

.card__title {
    font-size: 1rem;
    margin: 0.25rem 0;
    line-height: 1.3;
}

.card__location {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.card__price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.card__features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.card__features span {
    background: var(--color-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* --- Filters --- */
.filters-form {
    background: var(--color-white);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.filters-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.filters-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.results-count {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* --- Forms --- */
.form__group {
    margin-bottom: 0.75rem;
}

.form__label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.form__input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--color-white);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.15);
}

.form__textarea {
    resize: vertical;
    min-height: 80px;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.form__error {
    display: block;
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.form__help {
    display: block;
    color: var(--color-text-light);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.form__fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.form__fieldset legend {
    font-weight: 600;
    color: var(--color-primary);
    padding: 0 0.5rem;
}

.form__group--checkbox label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.form__actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* --- Login Card --- */
.login-card {
    max-width: 400px;
    margin: 3rem auto;
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.login-card__title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    font-size: 1.25rem;
}

/* --- Contact Form --- */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* --- Detail Page --- */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: var(--color-text-light);
}

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

.detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.gallery__main {
    aspect-ratio: 16/10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-border);
}

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

.gallery__thumbs {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.gallery__thumb {
    flex-shrink: 0;
    width: 64px;
    height: 48px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: none;
    padding: 0;
}

.gallery__thumb--active {
    border-color: var(--color-primary);
}

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

.gallery__placeholder {
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-light);
}

.detail__badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.detail__badge--venda { background: var(--color-primary); }
.detail__badge--aluguel { background: var(--color-secondary); }

.detail__code {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-left: 0.5rem;
}

.detail__title {
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

.detail__location {
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.detail__price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.detail__features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.feature-item {
    text-align: center;
    min-width: 60px;
}

.feature-item strong {
    display: block;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.feature-item span {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.detail__type {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.detail__description {
    margin-bottom: 1.5rem;
}

.detail__description h2 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.detail__description p {
    white-space: pre-wrap;
}

.detail__contact {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.about__text p {
    margin-bottom: 0.75rem;
}

.info-item {
    margin-bottom: 0.75rem;
}

.info-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 0.15rem;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.pagination__link {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--color-text);
    transition: all var(--transition);
}

.pagination__link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination__link--active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.pagination__ellipsis {
    padding: 0.4rem;
    color: var(--color-text-light);
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-light);
}

.empty-state p {
    margin-bottom: 1rem;
}

/* --- WhatsApp FAB --- */
.whatsapp-fab {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    width: 56px;
    height: 56px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 90;
    transition: transform var(--transition);
}

.whatsapp-fab:hover {
    transform: scale(1.1);
}

/* --- Footer --- */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
    border-top: 3px solid var(--color-secondary);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.footer__col--logo {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.footer__logo-img {
    width: 100%;
    max-width: 320px;
    height: auto;
    display: block;
    object-fit: contain;
}

.footer__subgrid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.footer h3 {
    color: var(--color-white);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer a {
    color: rgba(255,255,255,0.7);
    transition: color var(--transition);
}

.footer a:hover {
    color: var(--color-secondary);
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.6;
}

.main {
    flex: 1;
}

/* ========================================
   Tablet (min-width: 600px)
   ======================================== */
@media (min-width: 600px) {
    .hero__title { font-size: 2.25rem; }
    .hero { padding: 4rem 0; }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form__row {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .footer__subgrid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer__logo-img {
        max-width: 450px;
    }

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

    .detail-layout {
        grid-template-columns: 1fr 1fr;
    }
}

/* ========================================
   Desktop (min-width: 960px)
   ======================================== */
@media (min-width: 960px) {
    .container { padding: 0 2rem; }
    .hero__title { font-size: 2.75rem; }
    .hero { padding: 5rem 0; }

    .nav__toggle { display: none; }

    .nav__menu {
        display: flex;
        flex-direction: row;
        width: auto;
        gap: 1.5rem;
        padding-top: 0;
    }

    .nav__menu li a {
        border-bottom: none;
        padding: 0.25rem 0;
    }

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

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

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

    .detail-layout {
        grid-template-columns: 3fr 2fr;
        gap: 2rem;
    }

    .gallery__thumb {
        width: 80px;
        height: 60px;
    }
}