/* ============================================================
   LEALSOFT - STYLES.CSS
   Estética Matrix/Cyberpunk com alta legibilidade
   Mobile-first, responsivo e acessível
   ============================================================ */

/* ==================== VARIÁVEIS CSS ==================== */
:root {
    /* Cores principais - Matrix Theme */
    --color-bg-primary: #050607;
    --color-bg-secondary: #0a0d0f;
    --color-bg-tertiary: #0f1315;
    --color-bg-card: #0c0f11;
    
    /* Acento neon verde */
    --color-accent: #00ff66;
    --color-accent-dim: #00cc52;
    --color-accent-glow: rgba(0, 255, 102, 0.3);
    --color-accent-subtle: rgba(0, 255, 102, 0.1);
    
    /* Cores de texto */
    --color-text-primary: #e8e8e8;
    --color-text-secondary: #a8a8a8;
    --color-text-muted: #6a6a6a;
    
    /* Cores de UI */
    --color-border: #1a1d20;
    --color-border-accent: #00ff66;
    --color-success: #00ff66;
    --color-warning: #ffcc00;
    --color-error: #ff4444;
    
    /* Tipografia */
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
    
    /* Tamanhos de fonte (mobile-first) */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    
    /* Espaçamentos */
    --space-xs: 0.25rem;     /* 4px */
    --space-sm: 0.5rem;      /* 8px */
    --space-md: 1rem;        /* 16px */
    --space-lg: 1.5rem;      /* 24px */
    --space-xl: 2rem;        /* 32px */
    --space-2xl: 3rem;       /* 48px */
    --space-3xl: 4rem;       /* 64px */
    
    /* Bordas e sombras */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-accent-glow);
    --shadow-glow-sm: 0 0 10px var(--color-accent-glow);
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-index */
    --z-canvas: -1;
    --z-header: 100;
    --z-modal: 200;
    --z-float: 150;
    
    /* Layout */
    --header-height: 70px;
    --container-max: 1200px;
    --container-padding: var(--space-md);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

/* Respeitar preferência de movimento reduzido */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Foco visível para acessibilidade */
:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Seleção de texto */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
}

/* ==================== CANVAS - MATRIX RAIN ==================== */
#matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-canvas);
    opacity: 0.15;
    pointer-events: none;
}

/* Desativar canvas se prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    #matrix-rain {
        display: none;
    }
}

/* ==================== CONTAINER ==================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ==================== UTILITÁRIOS ==================== */
.text--accent {
    color: var(--color-accent);
}

.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;
}

.icon-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* Animação fade-in */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
    }
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(5, 6, 7, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-header);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.header__logo {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
    transition: color var(--transition-base);
}

.header__logo:hover,
.header__logo:focus {
    color: var(--color-accent);
}

.logo__bracket {
    color: var(--color-accent);
    font-weight: 400;
}

.logo__text {
    letter-spacing: -0.5px;
}

/* Menu toggle mobile */
.header__menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle__bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Navegação */
.header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(5, 6, 7, 0.98);
    backdrop-filter: blur(10px);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    border-bottom: 1px solid var(--color-border);
}

.header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
}

.nav__link {
    display: block;
    padding: var(--space-md);
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--text-base);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav__link:hover,
.nav__link:focus {
    color: var(--color-accent);
    background-color: var(--color-accent-subtle);
}

.nav__link--cta {
    color: var(--color-accent);
    font-weight: 600;
}

/* Navegação desktop */
@media (min-width: 768px) {
    .header__menu-toggle {
        display: none;
    }
    
    .header__nav {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        backdrop-filter: none;
        border-bottom: none;
    }
    
    .nav__list {
        flex-direction: row;
        padding: 0;
        gap: var(--space-xs);
    }
    
    .nav__link {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
    }
}

/* ==================== SECTION BASE ==================== */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

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

.section__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.section__subtitle {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .section__title {
        font-size: var(--text-3xl);
    }
    
    .section__subtitle {
        font-size: var(--text-lg);
    }
}

@media (min-width: 1024px) {
    .section__title {
        font-size: var(--text-4xl);
    }
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: calc(var(--header-height) + var(--space-xl));
    padding-bottom: var(--space-xl);
    position: relative;
}

.hero__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    width: 100%;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.5px;
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

/* Hero - Desktop */
@media (min-width: 768px) {
    .hero__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .hero__content {
        text-align: left;
        flex: 1;
        max-width: 550px;
    }
    
    .hero__title {
        font-size: var(--text-4xl);
    }
    
    .hero__buttons {
        flex-direction: row;
        justify-content: flex-start;
    }
}

@media (min-width: 1024px) {
    .hero__title {
        font-size: var(--text-5xl);
    }
    
    .hero__subtitle {
        font-size: var(--text-xl);
    }
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-accent);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 0.5; }
}

@media (prefers-reduced-motion: reduce) {
    .scroll-indicator::before {
        animation: none;
    }
}

/* ==================== TERMINAL CARD ==================== */
.hero__terminal {
    width: 100%;
    max-width: 450px;
}

.terminal {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
}

.terminal__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.terminal__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal__dot--red { background-color: #ff5f56; }
.terminal__dot--yellow { background-color: #ffbd2e; }
.terminal__dot--green { background-color: #27c93f; }

.terminal__title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-left: auto;
}

.terminal__body {
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.8;
}

.terminal__line {
    display: block;
    color: var(--color-text-secondary);
}

.terminal__line::before {
    content: '';
    color: var(--color-accent);
}

.terminal__line--success {
    color: var(--color-accent);
    font-weight: 600;
}

/* ==================== BOTÕES ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

.btn--primary:hover:not(:disabled),
.btn--primary:focus:not(:disabled) {
    background-color: transparent;
    color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn--secondary:hover:not(:disabled),
.btn--secondary:focus:not(:disabled) {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
}

.btn--ghost {
    background-color: transparent;
    color: var(--color-accent);
    border-color: transparent;
    padding: var(--space-sm) var(--space-md);
}

.btn--ghost:hover:not(:disabled),
.btn--ghost:focus:not(:disabled) {
    background-color: var(--color-accent-subtle);
}

.btn--small {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
}

.btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--text-lg);
}

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

.btn__icon {
    font-size: 1.1em;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-whatsapp {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
}

/* ==================== SOBRE SECTION ==================== */
.sobre__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.sobre__texto {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.sobre__texto p {
    margin-bottom: var(--space-md);
}

.sobre__texto p:last-child {
    margin-bottom: 0;
}

.diferenciais__title {
    font-size: var(--text-xl);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.diferenciais__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.diferenciais__item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.diferenciais__icon {
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

.diferenciais__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.diferenciais__content strong {
    color: var(--color-text-primary);
    font-size: var(--text-base);
}

.diferenciais__content span {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

@media (min-width: 768px) {
    .sobre__content {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .sobre__texto {
        flex: 1;
    }
    
    .sobre__diferenciais {
        flex: 1;
    }
}

/* ==================== CTA SECTION ==================== */
.cta-section {
    background: linear-gradient(90deg, var(--color-bg-primary), var(--color-accent-subtle), var(--color-bg-primary));
    border-top: 1px solid var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
    padding: var(--space-2xl) 0;
}

.cta-section__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
}

.cta-section__text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

@media (min-width: 768px) {
    .cta-section__inner {
        flex-direction: row;
        justify-content: center;
    }
    
    .cta-section__text {
        font-size: var(--text-2xl);
    }
}

/* ==================== SERVIÇOS SECTION ==================== */
.servicos__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .servicos__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .servicos__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==================== CARDS ==================== */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

@media (prefers-reduced-motion: reduce) {
    .card:hover {
        transform: none;
    }
}

/* Card de Serviço */
.card--service {
    text-align: center;
}

.card__icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
    display: block;
}

.card__title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.card__description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
}

.tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-accent);
    font-family: var(--font-mono);
}

/* ==================== FAQ ==================== */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq__item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq__item:has(.faq__question[aria-expanded="true"]) {
    border-color: var(--color-accent);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq__question:hover,
.faq__question:focus {
    color: var(--color-accent);
}

.faq__icon {
    font-size: var(--text-xl);
    color: var(--color-accent);
    transition: transform var(--transition-base);
}

.faq__question[aria-expanded="true"] .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--text-base);
}

.faq__answer[hidden] {
    display: none;
}

/* ==================== CONTATO ==================== */
.contato__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .contato__content {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .contato__info,
    .contato__form {
        flex: 1;
    }
}

.contato__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contato__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.contato__icon {
    font-size: var(--text-2xl);
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contato__icon--whatsapp {
    color: #25D366;
}

.contato__details {
    display: flex;
    flex-direction: column;
}

.contato__details strong {
    color: var(--color-text-primary);
    font-size: var(--text-sm);
}

.contato__details a,
.contato__details span {
    color: var(--color-accent);
    font-size: var(--text-base);
    text-decoration: none;
}

.contato__details a:hover,
.contato__details a:focus {
    text-decoration: underline;
}

.contato__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

@media (min-width: 480px) {
    .contato__buttons {
        flex-direction: row;
    }
}

/* Formulário */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

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

.form__input:focus,
.form__textarea:focus {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow-sm);
    outline: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__input:disabled,
.form__textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.form__notice {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
    padding: var(--space-md);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px dashed var(--color-border);
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
}

.footer__logo {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
}

.footer__tagline {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

.footer__nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer__nav a:hover,
.footer__nav a:focus {
    color: var(--color-accent);
}

.footer__copy {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.footer__location {
    margin-top: var(--space-xs);
    font-size: var(--text-xs);
}

@media (min-width: 768px) {
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ==================== BOTÃO FLUTUANTE WHATSAPP ==================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-lg), 0 0 20px rgba(37, 211, 102, 0.4);
    z-index: var(--z-float);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.whatsapp-float:hover,
.whatsapp-float:focus {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(37, 211, 102, 0.6);
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-float:hover,
    .whatsapp-float:focus {
        transform: none;
    }
}

.whatsapp-float__icon {
    width: 32px;
    height: 32px;
    color: white;
}

.whatsapp-float__pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25D366;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-float__pulse {
        animation: none;
    }
}

/* ==================== RESPONSIVIDADE ADICIONAL ==================== */
@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-md);
    }
    
    .hero__title {
        font-size: var(--text-2xl);
    }
    
    .hero__subtitle {
        font-size: var(--text-base);
    }
    
    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: var(--text-sm);
    }
    
    .terminal__body {
        font-size: var(--text-xs);
    }
}

/* ==================== ACESSIBILIDADE - ALTO CONTRASTE ==================== */
@media (prefers-contrast: high) {
    :root {
        --color-bg-primary: #000000;
        --color-bg-secondary: #0a0a0a;
        --color-bg-card: #111111;
        --color-text-primary: #ffffff;
        --color-text-secondary: #cccccc;
        --color-border: #333333;
    }
    
    .card {
        border-width: 2px;
    }
    
    .btn {
        border-width: 2px;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .header,
    .whatsapp-float,
    #matrix-rain,
    .hero__scroll {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        padding: 1rem 0;
    }
}