/*
Theme Name: Especialista SEO Theme
Theme URI: https://seusite.com.br
Author: Especialista SEO
Author URI: https://seusite.com.br
Description: Tema profissional para especialista em SEO - Design moderno com foco em conversão e performance.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: especialista-seo
Tags: one-column, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   CSS Variables / Design Tokens
   ========================================================================== */
:root {
    /* Colors - Matching SEO Brain dark teal theme */
    --color-primary: hsl(174, 60%, 45%);
    --color-primary-dark: hsl(174, 65%, 38%);
    --color-primary-light: hsl(174, 60%, 55%);
    --color-secondary: hsl(190, 35%, 18%);
    --color-accent: hsl(42, 95%, 55%);
    
    /* Background - Dark teal like seobrain.com.br */
    --bg-dark: hsl(192, 45%, 12%);
    --bg-darker: hsl(192, 50%, 8%);
    --bg-card: hsla(190, 40%, 15%, 0.9);
    --bg-glass: hsla(174, 60%, 45%, 0.08);
    
    /* Text */
    --text-primary: hsl(180, 10%, 92%);
    --text-secondary: hsla(180, 10%, 92%, 0.85);
    --text-muted: hsla(180, 15%, 70%, 0.7);
    
    /* Borders */
    --border-color: hsla(174, 60%, 45%, 0.3);
    --border-light: hsla(180, 30%, 35%, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 hsla(192, 50%, 5%, 0.4);
    --shadow-md: 0 4px 12px -2px hsla(192, 50%, 5%, 0.5);
    --shadow-lg: 0 12px 24px -4px hsla(192, 50%, 5%, 0.6);
    --shadow-glow: 0 0 20px hsla(174, 60%, 45%, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 50%, hsl(185, 40%, 16%) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

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

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

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-alt {
    background: linear-gradient(180deg, hsla(190, 42%, 14%, 0.8) 0%, hsla(188, 40%, 16%, 0.6) 100%);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: hsla(192, 50%, 10%, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-sm) 0;
}

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

.site-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.main-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        padding: var(--spacing-md);
        display: none;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(108, 92, 231, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--bg-dark);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 212, 170, 0.5);
    color: var(--bg-dark);
}

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

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

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

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

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

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.card h3 {
    color: var(--text-primary);
}

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

/* Grid de Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    padding: var(--spacing-xl) 0;
}

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

.section-header h2 .highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-muted);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials {
    background: linear-gradient(180deg, hsla(190, 42%, 14%, 0.8) 0%, hsla(188, 40%, 16%, 0.6) 100%);
    padding: var(--spacing-xl) 0;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.testimonial-content {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--bg-dark);
}

.testimonial-info h4 {
    margin-bottom: 0;
    color: var(--text-primary);
}

.testimonial-info span {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.testimonial-stars {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq {
    padding: var(--spacing-xl) 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-muted);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-question {
    color: var(--color-primary);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, hsla(174, 60%, 45%, 0.1) 0%, hsla(190, 50%, 30%, 0.1) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

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

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

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ==========================================================================
   WordPress Specific
   ========================================================================== */
.wp-block-image img {
    max-width: 100%;
    height: auto;
}

.aligncenter {
    display: block;
    margin: 0 auto;
}

.alignleft {
    float: left;
    margin-right: var(--spacing-md);
}

.alignright {
    float: right;
    margin-left: var(--spacing-md);
}

/* WordPress Gallery */
.wp-block-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

/* Screen Reader Text */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* Comments */
.comments-area {
    margin-top: var(--spacing-lg);
}

.comment-list {
    list-style: none;
}

.comment {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.comment-author {
    font-weight: 600;
    color: var(--color-primary);
}

.comment-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}