/* Estilos customizados para o site Diafergas */

/* Design System Clean e Profissional */
:root {
    /* Espaçamento padronizado (múltiplos de 4px) */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.25rem;  /* 20px */
    --space-6: 1.5rem;   /* 24px */
    --space-8: 2rem;     /* 32px */
    --space-10: 2.5rem;  /* 40px */
    --space-12: 3rem;    /* 48px */
    --space-16: 4rem;    /* 64px */
    --space-20: 5rem;    /* 80px */
    
    /* Cores principais */
    --color-primary: #16a34a;
    --color-primary-dark: #15803d;
    --color-primary-darker: #166534;
    
    /* Cores de texto */
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;
    
    /* Cores de fundo */
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-bg-lighter: #f3f4f6;
    
    /* Cores de borda */
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    
    /* Sombras sutis */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Compatibilidade com código existente */
    --spacing-xs: var(--space-2);
    --spacing-sm: var(--space-4);
    --spacing-md: var(--space-6);
    --spacing-lg: var(--space-8);
    --spacing-xl: var(--space-12);
    --spacing-2xl: var(--space-16);
    --spacing-3xl: var(--space-20);
    
    --green-600: var(--color-primary);
    --green-700: var(--color-primary-dark);
    --green-800: var(--color-primary-darker);
    --gray-900: var(--color-text);
    --gray-700: var(--color-text-light);
    --gray-600: var(--color-text-light);
    --gray-50: var(--color-bg-light);
}

/* Rolagem suave */
html {
    scroll-padding-top: 70px; /* Offset para header fixo */
}

/* Melhora a performance da rolagem */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Rolagem suave para usuários que não preferem movimento reduzido */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Para usuários que preferem movimento reduzido */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Container padrão */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* Animações suaves e rápidas */
.transition-all {
    transition: all var(--transition-base);
}

/* Cards limpos e profissionais */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

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

/* Botões limpos e profissionais */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1.5;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
}

/* Melhorias de acessibilidade */
a:focus,
button:focus {
    outline: 2px solid var(--green-600);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Melhor contraste para links */
a {
    color: var(--green-700);
}

a:hover {
    color: var(--green-600);
}

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

/* Hierarquia de títulos */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 1.75rem; }
}

/* Garantir contraste mínimo WCAG AA */
.text-gray-600 {
    color: var(--color-text-light) !important;
}

/* Inputs e formulários limpos */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="search"],
textarea,
select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
    transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

/* Simplificar backgrounds de seções */
section {
    position: relative;
}

/* Carrossel de imagens */
.carousel-slide {
    will-change: opacity;
    z-index: 0;
}

/* Garantir que botões e indicadores fiquem acima das imagens do carrossel */
.carousel-text-container {
    position: relative;
    z-index: 10;
}

.carousel-text-slide .btn {
    position: relative;
    z-index: 20 !important;
}

#heroCarousel {
    position: relative;
    z-index: 0;
}

.carousel-indicator {
    position: relative;
    z-index: 30 !important;
    pointer-events: auto;
}

/* Garantir que no mobile o botão não seja sobreposto pela imagem */
@media (max-width: 1023px) {
    .carousel-text-slide {
        position: relative;
        z-index: 10;
    }
    
    .carousel-text-slide .btn {
        position: relative;
        z-index: 25 !important;
        pointer-events: auto;
    }
    
    #heroCarousel {
        position: relative;
        z-index: 0;
        margin-top: 1rem;
    }
    
    /* Garantir que o container de texto tenha prioridade */
    .carousel-text-container {
        position: relative;
        z-index: 10;
        margin-bottom: 1rem;
    }
}

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

.carousel-indicator {
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator:hover {
    transform: scale(1.2);
}

/* Carrossel de texto */
.carousel-text-container {
    position: relative;
    min-height: 260px;
}

.carousel-text-slide {
    will-change: opacity;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
}

@media (min-width: 768px) {
    .carousel-text-container {
        min-height: 300px;
    }
}

@media (min-width: 1024px) {
    .carousel-text-container {
        min-height: 340px;
    }
}

/* Carrossel de Gases */
#gasesCarousel {
    position: relative;
    width: 100%;
    overflow: hidden;
}

#gasesCarouselTrack {
    display: flex;
    will-change: transform;
}

.gases-slide {
    transition: transform 0.3s ease;
}

.gases-slide a {
    display: block;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.gases-slide img {
    transition: transform 0.3s ease;
}

/* Esconder botões de navegação em telas muito pequenas */
@media (max-width: 640px) {
    #gasesCarouselPrev,
    #gasesCarouselNext {
        display: none;
    }
}

/* Ajustes para o carrossel em diferentes tamanhos de tela */
.gases-slide {
    width: calc(100% - 1.5rem);
    min-width: 280px;
    padding: 0 0.5rem;
}

@media (min-width: 640px) {
    .gases-slide {
        width: calc((100% - 3rem) / 2);
        min-width: 280px;
    }
}

@media (min-width: 1024px) {
    .gases-slide {
        width: calc((100% - 4.5rem) / 3);
        min-width: 280px;
    }
}

@media (min-width: 1280px) {
    .gases-slide {
        width: calc((100% - 6rem) / 4);
        min-width: 280px;
    }
}

/* Responsividade adicional se necessário */
@media (max-width: 640px) {
    .container {
        padding: 0 0.75rem;
    }
}

/* Animações de entrada - mais sutis */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Aplicar animações apenas se o usuário não preferir movimento reduzido */
@media (prefers-reduced-motion: no-preference) {
    .card-animate {
        animation: fadeInUp 0.4s ease-out;
        animation-fill-mode: both;
    }
    
    .card-animate:nth-child(1) { animation-delay: 0.05s; }
    .card-animate:nth-child(2) { animation-delay: 0.1s; }
    .card-animate:nth-child(3) { animation-delay: 0.15s; }
    .card-animate:nth-child(4) { animation-delay: 0.2s; }
    .card-animate:nth-child(5) { animation-delay: 0.25s; }
    .card-animate:nth-child(6) { animation-delay: 0.3s; }
}

/* Melhorias de hover states */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

/* Loading state para formulários */
.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--green-600);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Skip link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--green-600);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* Google Reviews Widget Styles */
#google-reviews-widget {
    transition: all 0.3s ease;
}

#google-reviews-widget:hover {
    border-color: var(--green-600);
}

/* Estilos para iframe do Google (quando o widget for adicionado) */
#google-reviews-widget iframe {
    width: 100%;
    min-height: 350px;
    border: none;
    border-radius: 8px;
}

/* Estilos para widgets de terceiros (Elfsight, etc.) */
#google-reviews-widget .elfsight-app {
    min-height: 350px;
}

/* Reduzir espaçamento interno do widget Elfsight */
#google-reviews-widget .elfsight-app > * {
    margin: 0 !important;
    padding: 0.5rem !important;
}

/* Responsividade para o widget */
@media (max-width: 768px) {
    #google-reviews-widget {
        min-height: 300px;
    }
    
    #google-reviews-widget iframe {
        min-height: 300px;
    }
    
    #google-reviews-widget .elfsight-app {
        min-height: 300px;
    }
}

/* Search Box Styles */
#searchInput,
#searchInputMobile {
    transition: all 0.3s ease;
    padding-left: 2.75rem !important; /* 44px - espaço suficiente para o ícone */
}

#searchInput:focus,
#searchInputMobile:focus {
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

#searchResults,
#searchResultsMobile {
    animation: fadeInUp 0.2s ease-out;
}

#searchResults a:hover,
#searchResultsMobile a:hover {
    background-color: var(--green-50);
}

/* Scrollbar personalizada para resultados de busca */
#searchResults::-webkit-scrollbar,
#searchResultsMobile::-webkit-scrollbar {
    width: 6px;
}

#searchResults::-webkit-scrollbar-track,
#searchResultsMobile::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

#searchResults::-webkit-scrollbar-thumb,
#searchResultsMobile::-webkit-scrollbar-thumb {
    background: var(--green-600);
    border-radius: 10px;
}

#searchResults::-webkit-scrollbar-thumb:hover,
#searchResultsMobile::-webkit-scrollbar-thumb:hover {
    background: var(--green-700);
}