/* MarinoTech - CSS Completo Otimizado para Responsividade e Performance */

/* ====================================
   1. CUSTOM PROPERTIES (CSS Variables) - MELHORADO
==================================== */
:root {
    /* Cores principais */
    --primary-gold: #ffd700;
    --primary-orange: #ff6b35;
    --text-white: #ffffff;
    --bg-dark: #0a0a0a;
    --bg-dark-secondary: #1a1a2e;
    --bg-dark-tertiary: #16213e;
    
    /* Gradientes reutilizáveis */
    --gradient-primary: linear-gradient(45deg, var(--primary-gold), var(--primary-orange));
    --gradient-text: linear-gradient(45deg, var(--text-white), var(--primary-gold));
    --gradient-bg: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 50%, var(--bg-dark-tertiary) 100%);
    
    /* Sistema de breakpoints melhorado */
    --breakpoint-xs: 320px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
    
    /* Tamanhos e espaçamentos responsivos */
    --navbar-height: 80px;
    --navbar-height-mobile: 70px;
    --container-max-width: 1200px;
    --border-radius-card: 20px;
    --border-radius-button: 50px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Tipografia responsiva */
    --font-size-xs: clamp(0.75rem, 2vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 2.5vw, 1rem);
    --font-size-base: clamp(1rem, 3vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 3.5vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 4vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 5vw, 2rem);
    --font-size-3xl: clamp(2rem, 6vw, 3rem);
    --font-size-4xl: clamp(2.5rem, 8vw, 4rem);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.6s ease;
    
    /* Sombras */
    --shadow-card: 0 25px 50px rgba(255, 215, 0, 0.2);
    --shadow-button: 0 10px 25px rgba(255, 215, 0, 0.3);
    --shadow-navbar: 0 2px 20px rgba(0, 0, 0, 0.3);
    
    /* Z-index scale */
    --z-navbar: 1000;
    --z-mobile-menu: 999;
    --z-overlay: 998;
    --z-breadcrumb: 1;
    
    /* Touch targets */
    --touch-target-min: 44px;
}

/* ====================================
   2. RESET E BASE - MELHORADO
==================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base para rem */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    /* Otimização de renderização */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    /* Melhor suporte para touch */
    -webkit-tap-highlight-color: transparent;
}

/* ====================================
   3. UTILITY CLASSES - EXPANDIDAS
==================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-base {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius-card);
    transition: all var(--transition-medium);
}

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

/* Utilitários de espaçamento */
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

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

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Utilitários de display responsivo */
.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

/* ====================================
   4. COMPONENTES REUTILIZÁVEIS - MELHORADOS
==================================== */

/* Botões com melhor acessibilidade */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-button);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-decoration: none;
    text-align: center;
    min-width: 150px;
    min-height: var(--touch-target-min);
    /* Otimização de transform */
    will-change: transform;
    /* Melhor acessibilidade */
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
}

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

.btn:hover,
.btn:focus-visible {
    transform: translateY(-3px);
    box-shadow: var(--shadow-button);
}

.btn:active {
    transform: translateY(-1px);
}

/* Tags melhoradas */
.tag {
    background: rgba(255, 215, 0, 0.15);
    color: var(--primary-gold);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(255, 215, 0, 0.3);
    white-space: nowrap;
    display: inline-block;
    transition: all var(--transition-medium);
}

/* ====================================
   5. NAVEGAÇÃO - COMPLETAMENTE REDESENHADA
==================================== */

/* Navbar principal */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--navbar-height);
    padding: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-navbar);
    transition: all var(--transition-medium);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    /* Otimização de composite layer */
    will-change: background, box-shadow;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow-navbar);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    height: 100%;
}

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: bold;
    text-decoration: none;
    transition: transform var(--transition-medium);
    padding: var(--spacing-md) 0;
}

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

.logo a,
.logo a:visited {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    width: clamp(40px, 7vw, 55px);
    height: auto;
    border-radius: 8px;
    /* Otimização de imagem */
    image-rendering: crisp-edges;
}

/* Navigation Links - Desktop */
.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
    margin: 0;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    transition: color var(--transition-medium);
    position: relative;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm);
    white-space: nowrap;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gold);
    transition: width var(--transition-medium);
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--primary-gold);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
    width: 80%;
}

/* Menu Mobile */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: transform var(--transition-medium);
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-gold);
    margin: 3px 0;
    transition: all var(--transition-medium);
    border-radius: 2px;
}

/* Animação do hamburger */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Menu mobile overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Menu mobile - SIMPLIFICADO */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100%;
    background: var(--bg-dark-secondary);
    z-index: var(--z-mobile-menu);
    transition: right var(--transition-medium);
    padding: var(--spacing-xl) var(--spacing-lg);
    overflow-y: auto;
    border-left: 1px solid rgba(255, 215, 0, 0.2);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--primary-gold);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--transition-medium);
}

.mobile-menu-close:hover {
    background: rgba(255, 215, 0, 0.1);
}

.mobile-nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-links li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-links a {
    display: block;
    color: var(--text-white);
    text-decoration: none;
    padding: var(--spacing-md);
    border-radius: 10px;
    transition: all var(--transition-medium);
    font-size: var(--font-size-lg);
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
}

.mobile-nav-links a:hover,
.mobile-nav-links a:focus {
    background: rgba(255, 215, 0, 0.1);
    color: var(--primary-gold);
    transform: translateX(10px);
}

/* ====================================
   6. HERO SECTION
==================================== */
.hero {
  min-height: 100dvh; /* ✅ Altura segura no mobile moderno */
  height: auto; /* Deixa o conteúdo controlar a altura */
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--gradient-bg); /* ✅ Mantém o SEU fundo */
  position: relative;
  overflow-y: auto;
  padding-top: var(--navbar-height);
  padding-bottom: 5rem; /* ✅ Evita corte de botão em qualquer tela */
}



/* Efeito de luz translúcido */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, rgba(255, 215, 0, 0.03) 40%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* Logo do hero */
.hero-logo {
    width: clamp(180px, 20vw, 250px);
    aspect-ratio: 5/6;
    margin: 0 auto var(--spacing-md) auto;
    display: block;
    filter: drop-shadow(0 10px 30px rgba(255, 215, 0, 0.3));
    animation: logoEntrance 1.2s ease-out;
    background: transparent;
    border-radius: 20px;
    object-fit: contain;
    object-position: center;
}

/* Fallback para navegadores que não suportam aspect-ratio */
@supports not (aspect-ratio: 5/6) {
    .hero-logo {
        height: auto;
        max-height: min(18vh, 240px);
    }
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.3s both;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease-out 0.5s both;
    line-height: 1.6;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.7s both;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    z-index: 10;
    position: relative;
}

/* ====================================
   7. SEÇÕES DE CONTEÚDO - MELHORADAS
==================================== */
.section {
    padding: clamp(60px, 15vw, 100px) var(--spacing-md);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.section h2 {
    font-size: var(--font-size-3xl);
    text-align: center;
    margin-bottom: clamp(40px, 10vw, 60px);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Grid Layouts - Sistema Flexível */
.skills-grid,
.projects-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* ====================================
   8. CARDS DE SKILLS - ESTILO DOS PROJETOS
==================================== */
.skill-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.8) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius-card);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
    cursor: pointer;
    will-change: transform;
}

.skill-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
    border-radius: var(--border-radius-card);
}

.skill-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.skill-card:hover::before,
.skill-card:focus-within::before {
    opacity: 1;
}

.skill-card:hover::after {
    opacity: 1;
}

.skill-card:hover,
.skill-card:focus-within {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(255, 215, 0, 0.3);
    border-color: var(--primary-gold);
}

/* Ícones dos skills com estilo dos projetos */
.skill-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-gold), var(--primary-orange));
    border-radius: 20px;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    color: var(--bg-dark);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    transition: all var(--transition-medium);
    will-change: transform;
}

.skill-card:hover .skill-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.4);
}

/* Títulos dos skills */
.skill-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-white), var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Descrições dos skills */
.skill-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

/* Tags dos skills melhoradas */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.skill-card:hover .tag {
    background: rgba(255, 215, 0, 0.25);
    border-color: var(--primary-gold);
    transform: translateY(-2px);
}

/* ====================================
   9. CARDS DE PROJETOS
==================================== */
.project-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.8) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius-card);
    transition: all var(--transition-medium);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.project-card:hover,
.project-card:focus-within {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-gold);
}

.project-header h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-white), var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* ====================================
   10. SEÇÃO DE CONTATO
==================================== */
.contact {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-card);
    border: 1px solid rgba(255, 215, 0, 0.1);
    margin: var(--spacing-xl) 0;
}

.contact h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-gold);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--border-radius-button);
    background: rgba(255, 215, 0, 0.1);
    transition: all var(--transition-medium);
    min-height: var(--touch-target-min);
    font-size: var(--font-size-base);
}

.contact-link:hover,
.contact-link:focus {
    background: rgba(255, 215, 0, 0.2);
    border-color: var(--primary-gold);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.2);
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

.contact-link i {
    font-size: 1.2em;
}

/* ====================================
   11. MEDIA QUERIES - SISTEMA COMPLETO
==================================== */

/* Extra Small devices (320px and up) */
@media (min-width: 320px) {
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* Small devices (576px and up) */
@media (min-width: 576px) {
    :root {
        --spacing-md: 2rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .cta-buttons {
        flex-direction: row;
    }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

/* Large devices (992px and up) */
@media (min-width: 992px) {
    :root {
        --navbar-height: 90px;
        --spacing-xl: 4rem;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

/* Extra Large devices (1200px and up) */
@media (min-width: 1200px) {
    .skills-grid,
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra Extra Large devices (1400px and up) */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1320px;
    }
}

/* Mobile-specific styles */
@media (max-width: 767px) {
    :root {
        --navbar-height: var(--navbar-height-mobile);
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .navbar {
        height: var(--navbar-height-mobile);
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero com padding para mobile */
    .hero {
        padding-top: var(--navbar-height-mobile);
    }
    
    .hero::before {
        width: 600px;
        height: 600px;
    }
    
    .hero-logo {
        width: clamp(150px, 30vw, 200px);
    }
    
    .hero-content {
        padding: 0 var(--spacing-md);
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-link {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .skill-card,
    .project-card {
        padding: var(--spacing-lg);
        border-radius: 15px;
    }
    
    .skill-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Very small devices */
@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
    }
    
    .hero::before {
        width: 400px;
        height: 400px;
    }
    
    .mobile-menu {
        width: 100%;
        right: -100%;
    }
    
    .mobile-menu.active {
        right: 0;
    }
    
    .skill-card,
    .project-card {
        padding: var(--spacing-md);
        border-radius: 15px;
    }
    
    .skill-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        border-radius: 15px;
    }
}

/* ====================================
   12. ANIMAÇÕES - MELHORADAS
==================================== */
@keyframes logoEntrance {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ====================================
   13. ACESSIBILIDADE - MELHORADA
==================================== */

/* Redução de movimento para usuários sensíveis */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-logo {
        animation: none;
    }
    
    .fade-in {
        transition: none;
    }
}

/* Focus styles melhorados */
a:focus,
button:focus,
input:focus,
.skill-card:focus,
.project-card:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

/* ====================================
   14. PERFORMANCE - OTIMIZAÇÕES
==================================== */

/* Otimização para telas de alta densidade */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon,
    .hero-logo {
        image-rendering: crisp-edges;
    }
}

/* Lazy loading placeholder */
.lazy-loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Otimizações de will-change */
.skill-card:not(:hover),
.project-card:not(:hover),
.hero-logo {
    will-change: auto;
}

/* ====================================
   15. PRINT STYLES
==================================== */
@media print {
    .navbar,
    .mobile-menu,
    .mobile-menu-overlay,
    .mobile-menu-toggle,
    .cta-buttons {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section {
        padding: 20px 0 !important;
    }
    
    .hero {
        height: auto !important;
        background: white !important;
    }
    
    .skill-card,
    .project-card {
        background: white !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
}

/* ====================================
   16. ESTILOS ADICIONAIS PARA BLOG E PROJETOS
==================================== */

/* Blog Cards */
.blog-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.8) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius-card);
    padding: var(--spacing-lg);
    transition: all var(--transition-medium);
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-gold);
}

.blog-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-white), var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-card-excerpt {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* Filter Buttons */
.filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--primary-gold);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 25px;
    cursor: pointer;
    transition: all var(--transition-medium);
    font-size: var(--font-size-sm);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border-color: var(--primary-gold);
}

/* Search Input */
#searchInput {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--text-white);
    padding: var(--spacing-md);
    border-radius: 25px;
    font-size: var(--font-size-base);
    width: 100%;
    max-width: 400px;
    margin-bottom: var(--spacing-lg);
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

#searchInput::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Code Blocks */
.code-block {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 10px;
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    position: relative;
    overflow-x: auto;
}

.code-block code {
    color: var(--text-white);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.copy-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--primary-gold);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 5px;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-medium);
}

.copy-btn:hover {
    background: rgba(255, 215, 0, 0.3);
    border-color: var(--primary-gold);
}

/* Breadcrumb */
.breadcrumb {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: color var(--transition-medium);
}

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

.breadcrumb span {
    color: rgba(255, 255, 255, 0.6);
    margin: 0 var(--spacing-xs);
}

/* Form Styles */
form {
    max-width: 600px;
    margin: 0 auto;
}

form .form-group {
    margin-bottom: var(--spacing-lg);
}

form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-gold);
    font-weight: 600;
}

form input,
form textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--text-white);
    padding: var(--spacing-md);
    border-radius: 10px;
    font-size: var(--font-size-base);
    transition: all var(--transition-medium);
}

form input:focus,
form textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

form input.error,
form textarea.error {
    border-color: #ff4444;
    box-shadow: 0 0 0 2px rgba(255, 68, 68, 0.2);
}

form textarea {
    min-height: 120px;
    resize: vertical;
}

/* ====================================
   17. UTILITÁRIOS FINAIS
==================================== */

/* Texto responsivo */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

/* Limpar floats */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* Aspect ratio containers */
.aspect-ratio-16-9 {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    overflow: hidden;
}

.aspect-ratio-16-9 > * {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* === NOVO LAYOUT BLOG === */
.blog-section {
    padding: 4rem 1rem;
    text-align: center;
}

.blog-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-top: 2rem;
}

.blog-card {
    background-color: #1b1b1b;
    border: 2px solid #444;
    border-radius: 20px;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 215, 0, 0.15);
}

.blog-card-header h3 a,
.blog-card-header p a {
    color: #fff;
    text-decoration: none;
}

.blog-card-header h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-gold);
}

.blog-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.blog-tags span {
    background-color: #2d2d2d;
    color: #f0c040;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
}

.blog-footer {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: #ccc;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}