/* ========================================
   ÉLICA FOTOGRAFIA - ESTILOS CENTRALIZADOS
   ======================================== */

/* ===== VARIÁVEIS CSS ===== */
:root {
    /* Cores Principais */
    --color-primary: #756652;
    --color-primary-dark: #5a4d3d;
    --color-primary-light: #8a7866;

    /* Cores de Fundo */
    --bg-light: #ffffff;
    --bg-light-alt: #f9f8f6;
    --bg-dark: #1b1917;
    --bg-dark-alt: #25221e;

    /* Cores de Texto */
    --text-main: #151514;
    --text-muted: #7a7671;
    --text-white: #ffffff;

    /* Cores de Borda */
    --border-light: #e2e1df;
    --border-light-alt: #f3f2f2;
    --border-dark: #2e2b28;
    --border-dark-alt: #333;

    /* Fontes */
    --font-display: 'Newsreader', serif;
    --font-body: 'Noto Sans', sans-serif;

    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-display);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== TIPOGRAFIA ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    font-family: var(--font-body);
    margin-bottom: var(--spacing-md);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* ===== UTILITÁRIOS ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-wide {
    max-width: 1400px;
}

.container-narrow {
    max-width: 800px;
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-ghost {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

/* ===== EFEITO PARALLAX ===== */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.animate-bounce {
    animation: bounce 2s infinite;
}

/* ===== ÍCONES MATERIAL ===== */
.material-symbols-outlined {
    font-variation-settings:
        'FILL' 0,
        'wght' 400,
        'GRAD' 0,
        'opsz' 24;
    vertical-align: middle;
}

/* ===== MODO ESCURO ===== */
.dark body {
    background-color: var(--bg-dark);
    color: var(--text-white);
}

.dark .card {
    background-color: #262422;
    border-color: var(--border-dark-alt);
}

.dark .border-light {
    border-color: var(--border-dark);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

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

/* ===== SEÇÕES ESPECÍFICAS ===== */

/* Header/Navbar */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light-alt);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.dark .site-header {
    background-color: rgba(27, 25, 23, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}


/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-white);
}

/* Footer */
.site-footer {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-2xl) 0;
}

.dark .site-footer {
    background-color: var(--bg-dark);
    border-top-color: var(--border-dark);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    aspect-ratio: 3/4;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

/* Pricing Cards */
.pricing-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    background-color: #fffbf5;
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.dark .pricing-card {
    background-color: #262422;
    border-color: var(--border-dark-alt);
}

.dark .pricing-card.featured {
    background-color: #322d28;
}

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

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-icon {
    padding: var(--spacing-md);
    background-color: rgba(117, 102, 82, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: rgba(255, 255, 255, 0.7);
}

/* Section Spacing */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: 5rem 0;
}

/* Text Utilities */
.text-primary {
    color: var(--color-primary);
}

.text-muted {
    color: var(--text-muted);
}

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

.font-display {
    font-family: var(--font-display);
}

.font-body {
    font-family: var(--font-body);
}

/* Background Utilities */
.bg-primary {
    background-color: var(--color-primary);
}

.bg-light-alt {
    background-color: var(--bg-light-alt);
}

.dark .bg-light-alt {
    background-color: var(--bg-dark-alt);
}

/* Overlay Utilities */
.overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Print Styles */
@media print {

    .site-header,
    .site-footer,
    .btn {
        display: none;
    }
}

/* ===== BARRA DE ROLAGEM PERSONALIZADA (Scrollbar) ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light-alt);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-light-alt);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-primary-dark);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--bg-light-alt);
}

/* ===== HEADER EFFECTS AND ANIMATIONS ===== */

/* Glass Header Default (Top) */
.glass-header {
    background: transparent !important;
    backdrop-filter: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: none !important;
    transition: all var(--transition-base);
    padding: 0.5rem 0;
}

/* Navigation Links - Base Styles */
.glass-header nav a {
    position: relative;
    color: #F6F6F6 !important;
    background-color: transparent !important;
    transition: all var(--transition-base) !important;
    border-radius: 8px;
}

/* Modern Highlight Effect (Active/Hover) */
.glass-header nav a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #F6F6F6;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Active State (PHP Class handled) - We use higher specificity here */
.glass-header nav a.active,
.glass-header nav a:hover {
    background-color: rgba(246, 246, 246, 0.1) !important;
}

.glass-header nav a.active::after,
.glass-header nav a:hover::after {
    width: 20px;
}

/* Glass Header Scrolled */
.glass-header.scrolled {
    background: #756652 !important;
    backdrop-filter: blur(10px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15) !important;
    padding: 0.25rem 0;
}

/* Items when scrolled: #F6F6F6 */
.glass-header.scrolled h2,
.glass-header.scrolled nav a,
.glass-header.scrolled #mobile-menu-button {
    color: #F6F6F6 !important;
}

.glass-header.scrolled nav a svg,
.glass-header.scrolled #mobile-menu-button svg {
    stroke: #F6F6F6 !important;
}

/* Logo filter - Always #F6F6F6 in both transparent and scrolled per request */
.site-logo {
    filter: brightness(0) invert(0.9647) !important;
    transition: filter var(--transition-base), transform var(--transition-base);
}

.glass-header.scrolled .site-logo {
    transform: scale(0.9);
}

.dark .glass-header.scrolled {
    background: #5a4d3d !important;
    /* Slightly darker primary for dark mode */
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--color-primary);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
    }

    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}