/* ============================================
   PORTFÓLIO MODERNO - CSS AVANÇADO
   Autor: Sistema Avançado de Portfólio
   Versão: 1.0.0
   ============================================ */

/* ============================================
   RESET E VARIÁVEIS CSS
   ============================================ */

/* Reset moderno com box-sizing e fontes suaves */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Variáveis CSS para tema claro */
:root {
    /* Cores primárias */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    
    /* Cores secundárias */
    --color-secondary: #f59e0b;
    --color-secondary-dark: #d97706;
    
    /* Neutros */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(79, 70, 229, 0.9) 100%);
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Tamanhos de fonte */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Espaçamento */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Bordas e sombras */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Tema escuro - preferências do sistema */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg-primary: var(--color-gray-900);
        --color-bg-secondary: var(--color-gray-800);
        --color-bg-tertiary: var(--color-gray-700);
        --color-text-primary: var(--color-gray-100);
        --color-text-secondary: var(--color-gray-300);
        --color-text-tertiary: var(--color-gray-400);
        --color-border: var(--color-gray-700);
    }
}

/* Tema escuro - classe alternativa */
[data-theme="dark"] {
    --color-bg-primary: var(--color-gray-900);
    --color-bg-secondary: var(--color-gray-800);
    --color-bg-tertiary: var(--color-gray-700);
    --color-text-primary: var(--color-gray-100);
    --color-text-secondary: var(--color-gray-300);
    --color-text-tertiary: var(--color-gray-400);
    --color-border: var(--color-gray-700);
}

/* Tema claro */
[data-theme="light"], :root {
    --color-bg-primary: var(--color-white);
    --color-bg-secondary: var(--color-gray-50);
    --color-bg-tertiary: var(--color-gray-100);
    --color-text-primary: var(--color-gray-900);
    --color-text-secondary: var(--color-gray-700);
    --color-text-tertiary: var(--color-gray-500);
    --color-border: var(--color-gray-200);
}

/* ============================================
   BASE E UTILIDADES
   ============================================ */

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

/* Container responsivo */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

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

/* Utilidades de acessibilidade */
.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;
}

/* Focus visible moderno */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   HEADER E NAVEGAÇÃO
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(var(--color-bg-primary), 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
    min-height: 70px;
}

.nav__brand {
    display: flex;
    align-items: center;
}

.nav__logo {
    text-decoration: none;
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    transition: color var(--transition-fast);
}

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

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
    margin: 0;
    padding: 0;
}

.nav__link {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav__toggle-line {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-full);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background-color: var(--color-bg-tertiary);
    transform: translateY(-2px);
}

.theme-toggle__icon {
    position: absolute;
    font-size: var(--font-size-lg);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.theme-toggle__icon--light {
    transform: translateY(0);
    opacity: 1;
}

.theme-toggle__icon--dark {
    transform: translateY(-100%);
    opacity: 0;
}

[data-theme="dark"] .theme-toggle__icon--light {
    transform: translateY(100%);
    opacity: 0;
}

[data-theme="dark"] .theme-toggle__icon--dark {
    transform: translateY(0);
    opacity: 1;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero__gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.1;
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.3) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-16);
    align-items: center;
    max-width: 1200px;
    width: 100%;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    color: var(--color-text-primary);
}

.hero__title-main {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero__title-sub {
    display: block;
    font-size: 0.6em;
    font-weight: 400;
    color: var(--color-text-secondary);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero__visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-8);
}

.hero__image-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    animation: fadeIn 1s ease-out 0.8s both;
}

.hero__image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    font-weight: 600;
}

.hero__stats {
    display: flex;
    gap: var(--spacing-8);
    text-align: center;
    animation: fadeInUp 1s ease-out 1s both;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-1);
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--spacing-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    animation: bounce 2s infinite;
}

.hero__scroll-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero__scroll-arrow {
    width: 16px;
    height: 16px;
    border-right: 2px solid var(--color-text-secondary);
    border-bottom: 2px solid var(--color-text-secondary);
    transform: rotate(45deg);
    animation: pulse 2s infinite;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

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

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

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

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

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn--full {
    width: 100%;
}

.btn__icon {
    font-size: var(--font-size-lg);
    transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
    transform: translateX(4px);
}

.btn__loader {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    animation: spin 1s linear infinite;
}

.btn--loading .btn__text {
    opacity: 0;
}

.btn--loading .btn__loader {
    opacity: 1;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   SECTIONS GERAIS
   ============================================ */

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
    position: relative;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -var(--spacing-2);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    padding: var(--spacing-24) 0;
    background-color: var(--color-bg-secondary);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.about__image {
    position: relative;
    display: flex;
    justify-content: center;
}

.about__image-placeholder {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 1;
    background: var(--gradient-secondary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.about__decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 4s ease-in-out infinite;
}

.about__title {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-6);
}

.about__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
    line-height: 1.7;
}

.about__skills {
    margin-top: var(--spacing-8);
}

.about__skills-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.skills__grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.skill-tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */

.portfolio {
    padding: var(--spacing-24) 0;
    background-color: var(--color-bg-primary);
}

.portfolio__filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-12);
}

.filter-btn {
    padding: var(--spacing-2) var(--spacing-4);
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn--active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-16);
}

.portfolio__item {
    position: relative;
    background-color: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.portfolio__image-wrapper {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.portfolio__image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--color-white);
    font-weight: 600;
}

.portfolio__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio__item:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__overlay-content {
    text-align: center;
    color: var(--color-white);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.portfolio__item:hover .portfolio__overlay-content {
    transform: translateY(0);
}

.portfolio__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.portfolio__description {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: var(--spacing-4);
}

.portfolio__view-btn {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

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

.portfolio__arrow {
    transition: transform var(--transition-fast);
}

.portfolio__view-btn:hover .portfolio__arrow {
    transform: translateX(4px);
}

.portfolio__info {
    padding: var(--spacing-6);
}

.portfolio__item-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

.portfolio__category {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    padding: var(--spacing-24) 0;
    background-color: var(--color-bg-secondary);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.contact__title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.contact__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.contact__method {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.contact__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-bg-tertiary);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xl);
}

.contact__method-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
}

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

.contact__link:hover {
    color: var(--color-primary-dark);
}

.contact__text {
    color: var(--color-text-secondary);
}

.contact__social-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.social-links {
    display: flex;
    gap: var(--spacing-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-radius: var(--border-radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Formulário de contato */
.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    background-color: var(--color-bg-primary);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.form__input,
.form__textarea {
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

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

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer__logo {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.footer__description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    line-height: 1.6;
    max-width: 300px;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-8);
}

.footer__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.footer__link {
    color: var(--color-gray-400);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
}

.footer__copyright,
.footer__credits {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ============================================
   MODAL
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal--open {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal--open .modal__content {
    transform: scale(1);
}

.modal__close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-secondary);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    z-index: 1;
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.modal__body {
    padding: var(--spacing-8);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

/* Tablet */
@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        display: flex;
    }
    
    .hero__content {
        grid-template-columns: 1fr 1fr;
    }
    
    .about__content {
        grid-template-columns: 1fr 2fr;
    }
    
    .contact__content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr 2fr;
    }
    
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
    }
    
    .hero__title {
        font-size: var(--font-size-6xl);
    }
    
    .portfolio__grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: var(--spacing-10);
    }
    
    .footer__content {
        grid-template-columns: 1fr 3fr;
    }
}

/* Mobile específico */
@media (max-width: 767px) {
    .nav__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg-primary);
        flex-direction: column;
        padding: var(--spacing-4);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-4);
    }
    
    .nav__menu--open {
        display: flex;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .portfolio__filters {
        gap: var(--spacing-1);
    }
    
    .filter-btn {
        padding: var(--spacing-1) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .contact__form {
        padding: var(--spacing-6);
    }
}

/* ============================================
   IMPRESSÃO
   ============================================ */

@media print {
    .header,
    .hero__scroll-indicator,
    .theme-toggle,
    .nav__toggle,
    .modal {
        display: none !important;
    }
    
    body {
        background-color: var(--color-white) !important;
        color: var(--color-gray-900) !important;
    }
    
    .hero {
        min-height: auto !important;
        padding: var(--spacing-8) 0 !important;
    }
    
    .btn {
        background-color: var(--color-gray-200) !important;
        color: var(--color-gray-900) !important;
        border: 1px solid var(--color-gray-400) !important;
    }
}