/* ===================================
   RESET E VARIÁVEIS - DESIGN MODERNO
   =================================== */

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

:root {
    /* Cores Principais - Paleta Moderna e Vibrante (MODO CLARO) */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #8b5cf6;
    --color-accent: #ec4899;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-dark: #0f172a;
    --color-gray: #64748b;
    --color-gray-light: #94a3b8;
    --color-light-gray: #f8fafc;
    --color-white: #ffffff;
    --color-bg: #ffffff;
    --color-text: #0f172a;
    --color-border: #e2e8f0;
    
    /* Gradientes Modernos */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* Tipografia */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Transições Suaves */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Sombras Modernas */
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

/* ===================================
   MODO ESCURO (DARK THEME)
   =================================== */

[data-theme="dark"] {
    /* Cores do Modo Escuro */
    --color-bg: #0f172a;
    --color-white: #1e293b;
    --color-light-gray: #1e293b;
    --color-text: #e2e8f0;
    --color-dark: #f1f5f9;
    --color-gray: #cbd5e1;
    --color-gray-light: #94a3b8;
    --color-border: #334155;
    
    /* Gradientes Ajustados */
    --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    
    /* Sombras Mais Sutis no Escuro */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.5);
}

/* Navbar no modo escuro */
[data-theme="dark"] .navbar {
    background-color: rgba(15, 23, 42, 0.95);
}

/* Hero no modo escuro */
[data-theme="dark"] .hero::before {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.9) 100%);
}

/* Page header no modo escuro */
[data-theme="dark"] .page-header::before {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.9) 100%);
}

/* ===================================
   FOCO VISÍVEL GLOBAL (ACESSIBILIDADE)
   =================================== */

*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

/* ===================================
   CONTAINER E LAYOUT
   =================================== */

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

/* ===================================
   NAVEGAÇÃO MODERNA
   =================================== */

.navbar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--color-gray);
    padding: 0.625rem 1rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
}

.btn-contact {
    background: var(--gradient-primary) !important;
    color: var(--color-white) !important;
    padding: 0.625rem 1.5rem !important;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.btn-contact::after {
    display: none !important;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 0.25rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

/* ===================================
   HERO SECTION MODERNA
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: 
        var(--gradient-hero),
        url('https://images.unsplash.com/photo-1557683316-973673baf926?w=1920&h=1080&fit=crop&q=80') center/cover;
    background-attachment: fixed;
    position: relative;
    margin-top: 140px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray);
    font-size: 0.875rem;
    z-index: 2;
    animation: float 2s ease-in-out infinite;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ===================================
   BOTÕES MODERNOS
   =================================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.0625rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.btn-full {
    width: 100%;
}

/* ===================================
   INTRODUÇÃO
   =================================== */

.intro {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.intro-text strong {
    color: var(--color-dark);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-cta {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
}

.intro-cta a {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.25rem;
}

.intro-cta a:hover {
    color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* ===================================
   HIGHLIGHTS / DESTAQUES MODERNOS
   =================================== */

.highlights {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-hero);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.highlight-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.highlight-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.highlight-card:hover .highlight-icon {
    animation: none;
    transform: scale(1.1);
}

.highlight-card h3 {
    font-size: 1.75rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.highlight-card p {
    color: var(--color-gray);
    font-size: 1.0625rem;
}

/* ===================================
   SERVIÇOS MODERNOS
   =================================== */

.services-preview {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    border: 2px solid var(--color-light-gray);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
    font-weight: 700;
}

.service-card p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    font-size: 1.0625rem;
}

.service-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.0625rem;
}

.service-link:hover {
    color: var(--color-primary-dark);
    gap: 0.75rem;
}

/* ===================================
   PORTFÓLIO MODERNO
   =================================== */

.portfolio-preview {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-hero);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    aspect-ratio: 16 / 10;
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

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

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

.portfolio-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, transparent 100%);
    color: var(--color-white);
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.portfolio-content p {
    font-size: 1.0625rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* ===================================
   CTA SECTION MODERNA
   =================================== */

.cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-primary);
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.cta-section h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.cta-section p {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.cta-section .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
    position: relative;
    z-index: 1;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 1.25rem 3rem;
}

.cta-section .btn-primary:hover {
    background-color: var(--color-white);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.cta-center {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.cta-center .btn {
    padding: 1.25rem 3rem;
}

/* ===================================
   FOOTER MODERNO
   =================================== */

.footer {
    background: var(--gradient-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.375rem;
    font-weight: 700;
}

.footer-col p {
    color: var(--color-gray-light);
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    color: var(--color-gray-light);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--color-primary-light);
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray-light);
}

/* ===================================
   PÁGINAS INTERNAS
   =================================== */

.page-header {
    padding: calc(140px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: 
        var(--gradient-hero),
        url('https://images.unsplash.com/photo-1557683316-973673baf926?w=1920&h=1080&fit=crop&q=80') center/cover;
    background-attachment: fixed;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
}

.page-header h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.page-header p {
    font-size: 1.375rem;
    color: var(--color-gray);
    position: relative;
}

/* ===================================
   SOBRE MIM
   =================================== */

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

.about-intro {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.about-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: auto;
    object-fit: cover;
}

.about-text .lead {
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-story,
.about-approach {
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--gradient-hero);
    border-radius: var(--radius-2xl);
}

.about-story h2,
.about-approach h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-story p,
.about-approach p {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* Timeline Moderna */
.timeline {
    max-width: 1000px;
    margin: var(--spacing-2xl) auto;
}

.timeline h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline-container {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.timeline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 6px);
    top: calc(var(--spacing-lg) + 5px);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: 4px solid var(--color-white);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.timeline-year {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    font-weight: 700;
}

.timeline-content p {
    color: var(--color-gray);
    line-height: 1.8;
    font-size: 1.0625rem;
}

/* Expertise Moderna */
.expertise {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: var(--gradient-hero);
    border-radius: var(--radius-2xl);
}

.expertise h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

.expertise-item {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
}

.expertise-item:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-glow);
    border-color: var(--color-primary-light);
}

.expertise-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.expertise-item h3 {
    font-size: 1.0625rem;
    font-weight: 600;
}

/* ===================================
   SERVIÇOS DETALHADOS - TABS MODERNOS
   =================================== */

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

/* Container adjustment for cards width reference */
.services-detailed .container { 
    max-width: 1180px; 
}

.services-tabs {
    width: min(100%, 1180px);
    max-width: 100%;
    margin: 0 auto var(--spacing-md);
    position: sticky;
    top: 132px; /* 60px (slider) + 72px (navbar) */
    z-index: 900; /* ABAIXO da navbar mas acima do conteúdo */
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    justify-content: center;
    align-items: center;
    padding: 12px 14px;
    background: rgba(124, 104, 238, 0.06);
    border-radius: 16px;
    box-shadow: inset 0 0 0 1px rgba(124,104,238,0.08);
    backdrop-filter: saturate(120%);
    transition: width .25s ease, margin .25s ease, border-radius .2s ease, background .2s ease, box-shadow .2s ease;
}

/* When stuck: expand to full width and hug under the navbar */
.services-tabs.stuck {
    width: 100vw;
    max-width: none;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    border-radius: 0;
    background: rgba(124,104,238,0.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    z-index: 900; /* ABAIXO da navbar mas acima do conteúdo */
}

/* Dark mode adjustments for sticky tabs */
[data-theme="dark"] .services-tabs {
    background: rgba(124, 104, 238, 0.08);
    box-shadow: inset 0 0 0 1px rgba(124,104,238,0.15);
}

[data-theme="dark"] .services-tabs.stuck {
    background: rgba(124,104,238,0.12);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.service-tab {
    appearance: none;
    border: 0;
    padding: 10px 14px;
    border-radius: 999px;
    background: #fff;
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: transform .06s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
    outline: none;
    cursor: pointer;
    scroll-snap-align: start;
}

.service-tab.active {
    background: #7c68ee;
    color: #fff;
    box-shadow: 0 6px 18px rgba(124,104,238,0.35);
}

.service-tab:hover { 
    transform: translateY(-1px); 
}

.service-tab:active { 
    transform: translateY(0); 
}

.service-tab:focus-visible {
    box-shadow: 0 0 0 3px rgba(141, 235, 207, 0.9), 0 2px 10px rgba(0,0,0,0.06);
}

/* Dark mode adjustments for service tabs */
[data-theme="dark"] .service-tab {
    background: #1e293b;
    color: #cbd5e1;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

[data-theme="dark"] .service-tab.active {
    background: #7c68ee;
    color: #fff;
    box-shadow: 0 6px 18px rgba(124,104,238,0.5);
}

[data-theme="dark"] .service-tab:hover {
    background: #334155;
    color: #a5b4fc;
}

.service-detail {
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-light-gray);
    display: none;
}

.service-detail.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid var(--color-light-gray);
}

.service-icon {
    font-size: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-detail h2 {
    font-size: 2.5rem;
    color: var(--color-dark);
    font-weight: 700;
}

.service-intro {
    font-size: 1.375rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    padding-left: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.service-list li {
    padding: var(--spacing-md);
    background: var(--gradient-hero);
    border-radius: var(--radius-lg);
    position: relative;
    padding-left: 3.5rem;
    font-size: 1.0625rem;
    line-height: 1.7;
    transition: var(--transition);
    border: 1px solid transparent;
    min-height: 70px;
    display: flex;
    align-items: center;
}

.service-list li:hover {
    transform: translateX(8px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: var(--spacing-md);
    top: var(--spacing-md);
    color: var(--color-white);
    background: var(--gradient-primary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.services-cta {
    margin-top: var(--spacing-2xl);
}

/* ===================================
   PORTFÓLIO DETALHADO
   =================================== */

.portfolio-intro {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.lead {
    font-size: 1.375rem;
    line-height: 1.8;
    color: var(--color-gray);
    max-width: 900px;
    margin: 0 auto;
}

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

.project-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    align-items: center;
}

.project-showcase.reverse {
    direction: rtl;
}

.project-showcase.reverse > * {
    direction: ltr;
}

.project-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.project-image img:hover {
    transform: scale(1.05);
}

.project-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    font-weight: 700;
}

.project-category {
    font-size: 0.9375rem;
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-hero);
    border-radius: var(--radius-full);
}

.project-content p {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
}

.portfolio-grid-section {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-hero);
}

.portfolio-card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary-light);
}

.portfolio-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition);
}

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

.portfolio-card-content {
    padding: var(--spacing-lg);
}

.portfolio-card-content h3 {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    font-weight: 700;
}

.portfolio-card-content p {
    color: var(--color-gray);
    line-height: 1.7;
}

/* Estatísticas Modernas */
.stats {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-primary);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-item:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.stat-label {
    font-size: 1.25rem;
    opacity: 0.95;
    font-weight: 500;
}

/* ===================================
   CONTACTO MODERNO
   =================================== */

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info > p {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    border: 2px solid var(--color-light-gray);
}

.contact-method:hover {
    border-color: var(--color-primary);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 2.5rem;
}

.contact-method h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
    font-weight: 700;
}

.contact-method a {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.0625rem;
}

.contact-method a:hover {
    text-decoration: underline;
}

.contact-method p {
    color: var(--color-gray);
}

.contact-note {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.contact-note p {
    color: #78350f;
    line-height: 1.7;
}

/* Formulário Moderno */
.contact-form-wrapper {
    background: var(--gradient-hero);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    font-size: 1.0625rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.form-checkbox input {
    margin-top: 4px;
    width: 22px;
    height: 22px;
    cursor: pointer;
}

.form-checkbox label {
    margin-bottom: 0;
    font-weight: 400;
    color: var(--color-gray);
    cursor: pointer;
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 500;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
}

.form-message.info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* Áreas de Atuação */
.service-areas {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-hero);
}

.service-areas h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.areas-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.area-tag {
    padding: 0.875rem 1.75rem;
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.area-tag:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

/* ===================================
   SELETOR DE TEMA COM DROPDOWN (SOL/LUA)
   =================================== */

.theme-selector {
    position: relative;
    margin-left: 1rem;
}

.theme-selector-toggle {
    background: var(--color-light-gray);
    border: 2px solid var(--color-border);
    color: var(--color-gray);
    padding: 0.625rem;
    border-radius: var(--radius-lg);
    font-size: 1.375rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    position: relative;
}

.theme-selector-toggle:hover {
    background: var(--gradient-hero);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.theme-selector-toggle:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.theme-icon {
    font-size: 1.5rem;
    line-height: 1;
    transition: var(--transition);
}

/* Animação de rotação ao trocar ícone */
.theme-selector-toggle.changing .theme-icon {
    animation: iconRotate 0.4s ease-in-out;
}

@keyframes iconRotate {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(0.8); }
    100% { transform: rotate(360deg) scale(1); }
}

.theme-dropdown {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 0.625rem;
    min-width: 160px;
    box-shadow: var(--shadow-2xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.theme-selector.active .theme-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-dropdown button {
    width: 100%;
    background: none;
    border: none;
    color: #0f172a;
    padding: 0.875rem 1.125rem;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.875rem;
    position: relative;
}

.theme-dropdown button::before {
    font-size: 1.375rem;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}

.theme-dropdown button:hover {
    background: var(--gradient-hero);
    color: var(--color-primary);
    transform: translateX(4px);
}

.theme-dropdown button.active {
    background: var(--gradient-primary);
    color: var(--color-white);
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.theme-dropdown button.active::after {
    content: '✓';
    position: absolute;
    right: 1rem;
    font-size: 1.125rem;
    font-weight: bold;
}

/* Ícones do dropdown de tema */
.theme-dropdown button[data-theme="light"]::before {
    content: '☀️';
}

.theme-dropdown button[data-theme="dark"]::before {
    content: '🌙';
}

.theme-dropdown button[data-theme="auto"]::before {
    content: '🔄';
}

/* Modo escuro - ajustar dropdown */
[data-theme="dark"] .theme-dropdown {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .theme-dropdown button {
    color: #f1f5f9;
}

[data-theme="dark"] .theme-dropdown button:hover {
    background: rgba(99, 102, 241, 0.15);
    color: #c7d2fe;
}

/* ===================================
   SELETOR DE IDIOMA COM DROPDOWN
   =================================== */

.lang-selector {
    position: relative;
    margin-left: 1rem;
}

.lang-selector-toggle {
    background: none;
    border: none;
    color: var(--color-gray);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.lang-selector-toggle::before {
    content: '🌐';
    font-size: 1.25rem;
}

.lang-selector-toggle:hover {
    background: var(--color-light-gray);
    color: var(--color-primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    min-width: 180px;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.lang-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown button {
    width: 100%;
    background: none;
    border: none;
    color: #0f172a;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lang-dropdown button:hover {
    background: var(--gradient-hero);
    color: var(--color-primary);
}

.lang-dropdown button.active {
    background: var(--gradient-primary);
    color: var(--color-white);
    font-weight: 700;
}

/* Flags/Emojis para cada idioma */
.lang-dropdown button[data-lang="pt"]::before {
    content: '🇵🇹';
    font-size: 1.25rem;
}

.lang-dropdown button[data-lang="en"]::before {
    content: '🇬🇧';
    font-size: 1.25rem;
}

.lang-dropdown button[data-lang="es"]::before {
    content: '🇪🇸';
    font-size: 1.25rem;
}

.lang-dropdown button[data-lang="de"]::before {
    content: '🇩🇪';
    font-size: 1.25rem;
}

.lang-dropdown button[data-lang="fr"]::before {
    content: '🇫🇷';
    font-size: 1.25rem;
}

.lang-dropdown button[data-lang="zh"]::before {
    content: '🇨🇳';
    font-size: 1.25rem;
}

.lang-separator {
    display: none;
}

/* Modo escuro - ajustar dropdown de idioma */
[data-theme="dark"] .lang-dropdown {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .lang-dropdown button {
    color: #f1f5f9;
}

[data-theme="dark"] .lang-dropdown button:hover {
    background: rgba(99, 102, 241, 0.15);
    color: #c7d2fe;
}

/* ===================================
   CORREÇÕES DE CONTRASTE NO MODO ESCURO
   =================================== */

/* Garantir que todo o texto seja legível no modo escuro */
[data-theme="dark"] {
    --color-text: #f1f5f9;
    --color-gray: #cbd5e1;
}

/* Texto secundário e parágrafos */
[data-theme="dark"] .intro-text,
[data-theme="dark"] .about-text p,
[data-theme="dark"] .service-card p,
[data-theme="dark"] .portfolio-content p,
[data-theme="dark"] .contact-info > p,
[data-theme="dark"] .form-group label,
[data-theme="dark"] .timeline-content p,
[data-theme="dark"] .about-story p,
[data-theme="dark"] .about-approach p,
[data-theme="dark"] .project-content p,
[data-theme="dark"] .portfolio-card-content p,
[data-theme="dark"] .lead,
[data-theme="dark"] .section-subtitle,
[data-theme="dark"] .page-header p {
    color: #cbd5e1;
}

/* Títulos */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] .service-card h3,
[data-theme="dark"] .highlight-card h3,
[data-theme="dark"] .timeline-content h3,
[data-theme="dark"] .portfolio-card-content h3,
[data-theme="dark"] .project-content h2,
[data-theme="dark"] .contact-method h3 {
    color: #f1f5f9;
}

/* Hero subtitle */
[data-theme="dark"] .hero-subtitle {
    color: #cbd5e1;
}

/* Metadata e categorias */
[data-theme="dark"] .timeline-year,
[data-theme="dark"] .project-category {
    color: #a5b4fc;
}

/* Links de serviço */
[data-theme="dark"] .service-link {
    color: #a5b4fc;
}

[data-theme="dark"] .service-link:hover {
    color: #c7d2fe;
}

/* Footer links */
[data-theme="dark"] .footer-col a {
    color: #cbd5e1;
}

[data-theme="dark"] .footer-col a:hover {
    color: #a5b4fc;
}

/* Formulários */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background-color: #1e293b;
    color: #f1f5f9;
    border-color: #334155;
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: #a5b4fc;
    box-shadow: 0 0 0 4px rgba(165, 180, 252, 0.2);
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: #64748b;
}

/* Cards */
[data-theme="dark"] .service-card,
[data-theme="dark"] .highlight-card,
[data-theme="dark"] .portfolio-card,
[data-theme="dark"] .timeline-item,
[data-theme="dark"] .expertise-item,
[data-theme="dark"] .contact-method,
[data-theme="dark"] .area-tag {
    background-color: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .service-card:hover,
[data-theme="dark"] .highlight-card:hover,
[data-theme="dark"] .portfolio-card:hover,
[data-theme="dark"] .timeline-item:hover,
[data-theme="dark"] .contact-method:hover {
    border-color: #a5b4fc;
    background-color: #0f172a;
}

/* Navegação mobile */
[data-theme="dark"] .nav-menu {
    background-color: rgba(15, 23, 42, 0.98);
}

[data-theme="dark"] .nav-menu a {
    color: #cbd5e1;
}

[data-theme="dark"] .nav-menu a:hover,
[data-theme="dark"] .nav-menu a.active {
    color: #a5b4fc;
}

/* Seções */
[data-theme="dark"] .intro,
[data-theme="dark"] .services-preview,
[data-theme="dark"] .about-content,
[data-theme="dark"] .contact-content {
    background-color: #0f172a;
}

[data-theme="dark"] .highlights,
[data-theme="dark"] .portfolio-preview,
[data-theme="dark"] .portfolio-grid-section,
[data-theme="dark"] .service-areas {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

[data-theme="dark"] .contact-form-wrapper {
    background: rgba(99, 102, 241, 0.08);
}

[data-theme="dark"] .contact-note {
    background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
    border-left-color: #fbbf24;
}

[data-theme="dark"] .contact-note p {
    color: #fef3c7;
}

[data-theme="dark"] .stat-item {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .stat-item:hover {
    background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .expertise-item:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
}

[data-theme="dark"] .area-tag {
    background-color: #1e293b;
    border-color: #a5b4fc;
    color: #cbd5e1;
}

[data-theme="dark"] .area-tag:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
}

[data-theme="dark"] .about-story,
[data-theme="dark"] .about-approach {
    background: rgba(99, 102, 241, 0.08);
}

[data-theme="dark"] .service-detail {
    background-color: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .service-list li {
    background: rgba(99, 102, 241, 0.08);
    color: #cbd5e1;
}

[data-theme="dark"] .service-list li:hover {
    border-color: #a5b4fc;
    background: rgba(99, 102, 241, 0.12);
}

[data-theme="dark"] .services-tabs {
    background: #1e293b;
}

[data-theme="dark"] .service-tab {
    color: #cbd5e1;
}

[data-theme="dark"] .service-tab:hover {
    color: #a5b4fc;
}

[data-theme="dark"] .form-message.success {
    background-color: #064e3b;
    color: #d1fae5;
}

[data-theme="dark"] .form-message.error {
    background-color: #7f1d1d;
    color: #fee2e2;
}

[data-theme="dark"] .form-message.info {
    background-color: #1e3a8a;
    color: #dbeafe;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1024px) {
    .project-showcase,
    .about-intro,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .project-showcase.reverse {
        direction: ltr;
    }
    
    .project-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 140px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
    }
    
    .hero {
        min-height: 85vh;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-container {
        padding-left: var(--spacing-lg);
    }
    
    .timeline-container::before {
        left: 10px;
    }
    
    .timeline-item::before {
        left: calc(-1 * var(--spacing-lg) - 13px);
    }
    
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-tabs,
    .services-tabs.stuck {
        border-radius: 12px;
        overflow-x: auto;
        white-space: nowrap;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding: 10px;
        scroll-snap-type: x mandatory;
    }
    
    .services-tabs::-webkit-scrollbar { 
        height: 8px; 
    }
    
    .services-tabs::-webkit-scrollbar-thumb { 
        background: rgba(0,0,0,0.15); 
        border-radius: 8px; 
    }
    
    .service-tab {
        flex-shrink: 0;
        scroll-snap-align: start;
    }
    
    .theme-selector,
    .lang-selector {
        margin-left: 0;
        margin-top: var(--spacing-sm);
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail-header {
        flex-direction: column;
        text-align: center;
    }
}

/* ===================================
   TOP BRANDS SLIDER (TOPO DA PÁGINA)
   =================================== */

.top-brands-slider {
    width: 100% !important;
    overflow: hidden !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid var(--color-border) !important;
    padding: 1rem 0 !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 60px !important;
    display: flex !important;
    align-items: center !important;
    z-index: 999 !important;
}

.top-brands-slider::before,
.top-brands-slider::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}

.top-brands-slider::before {
    left: 0;
    background: linear-gradient(to right, rgba(255,255,255,0.95), transparent);
}

.top-brands-slider::after {
    right: 0;
    background: linear-gradient(to left, rgba(255,255,255,0.95), transparent);
}

[data-theme="dark"] .top-brands-slider {
    background: rgba(15, 23, 42, 0.98) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom-color: #334155 !important;
}

[data-theme="dark"] .top-brands-slider::before {
    background: linear-gradient(to right, #0f172a, transparent);
}

[data-theme="dark"] .top-brands-slider::after {
    background: linear-gradient(to left, #0f172a, transparent);
}

.top-brands-track {
    display: flex;
    gap: 2.5rem;
    animation: scrollBrandsTop 80s linear infinite;
    width: max-content;
    align-items: center;
    height: 100%;
}

.top-brands-slider:hover .top-brands-track {
    animation-play-state: paused;
}

@keyframes scrollBrandsTop {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.top-brand-item {
    flex-shrink: 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-gray);
    white-space: nowrap;
    opacity: 0.85;
    transition: all 0.3s ease;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    position: relative;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
}

.top-brand-item:not(:last-child)::after {
    content: '•';
    position: absolute;
    right: -1.25rem;
    color: var(--color-border);
    opacity: 0.3;
    font-size: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
}

.top-brand-item:hover {
    opacity: 1;
    color: var(--color-primary);
    transform: translateY(-2px);
}

[data-theme="dark"] .top-brand-item {
    color: #94a3b8;
    opacity: 0.75;
}

[data-theme="dark"] .top-brand-item:hover {
    color: #a5b4fc;
}

/* Ajustar navbar para ficar abaixo do slider no topo */
.navbar {
    top: 60px;
}

@media (max-width: 768px) {
    .top-brands-slider {
        padding: 0.75rem 0;
        height: 50px;
    }
    
    .top-brand-item {
        font-size: 0.75rem;
        height: 35px;
        padding: 0 0.4rem;
    }
    
    .top-brands-track {
        gap: 2rem;
    }
    
    .top-brand-item:not(:last-child)::after {
        right: -1rem;
    }
}

.top-brands-slider { z-index: 1200 !important; }
.navbar { z-index: 1100; }

.services-tabs {
  top: var(--offset-top, 132px) !important;
  z-index: 1000 !important;
}

.services-tabs.stuck {
  width: 100vw !important;
  max-width: none !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  border-radius: 0 !important;
  z-index: 1000 !important;
}

/* === Cortana fix v2: sticky tabs layering (no position override) === */
.top-brands-slider { z-index: 1200 !important; } /* keep original position (fixed) */
.navbar { z-index: 1100 !important; }            /* keep original position (sticky/fixed) */

.services-tabs {
  top: var(--offset-top, 132px) !important;
  z-index: 1000 !important;
}

.services-tabs.stuck {
  width: 100vw !important;
  max-width: none !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  border-radius: 0 !important;
  z-index: 1000 !important;
}

/* === CTA spacing enhancement (Cortana) === */
.cta-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem; /* espaço entre título, parágrafo e botão */
}

.cta-center p {
  margin: 0; /* reset */
}

.cta-center .btn,
.cta-center .btn-primary {
  margin-top: 0; /* gap já trata do espaçamento */
  display: inline-block;
}
/* Em ecrãs pequenos, dá um bocadinho mais de ar */
@media (max-width: 640px) {
  .cta-center { gap: 1.5rem; }
}

/* === Service list icon alignment fix (Cortana) === */
.service-list li {
  padding-left: 3.75rem !important; /* garante espaço livre para o ícone */
}
.service-list li::before {
  left: 1rem !important;
  top: 50% !important;
  transform: translateY(-50%) !important; /* centra verticalmente */
  line-height: 28px !important;
  text-align: center !important;
}
@media (max-width: 640px) {
  .service-list li { padding-left: 4rem !important; }
  .service-list li::before { left: 0.875rem !important; }
}