/* ===================================
   COGNISA - DESIGN PROFISSIONAL 2024
   UI/UX Otimizado | SEO Ready | Conversão Focada
   =================================== */

/* ===================================
   RESET E CONFIGURAÇÕES BÁSICAS
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Nova Paleta Profissional Cognisa */
    --color-primary-dark: #1a1a2e;
    --color-primary: #0f4c75;
    --color-accent: #3282b8;
    --color-highlight: #bbe1fa;
    
    /* Cores de Ação */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    
    /* Cores de Texto */
    --color-text-dark: #1f2937;
    --color-text-medium: #4b5563;
    --color-text-light: #6b7280;
    --color-text-white: #ffffff;
    
    /* Cores de Fundo */
    --color-bg-white: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-gray: #f1f5f9;
    
    /* Gradientes Profissionais */
    --gradient-primary: linear-gradient(135deg, #0f4c75 0%, #3282b8 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #0f4c75 50%, #1a1a2e 100%);
    --gradient-light: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    --gradient-accent: linear-gradient(135deg, #3282b8 0%, #bbe1fa 100%);
    
    /* Sombras Profissionais */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.08);
    --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);
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --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;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
}

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

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

ul {
    list-style: none;
}

/* ===================================
   UTILITÁRIOS
   =================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 1rem;
    background-color: var(--color-primary-dark);
    color: var(--color-text-white);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: top var(--transition-base);
    z-index: 2000;
}

.skip-link:focus {
    top: 1rem;
    outline: 3px solid var(--color-accent);
}

.desktop-only {
    display: none;
}

@media (min-width: 1024px) {
    .desktop-only {
        display: block;
    }
}

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

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes slideOutRight {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

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

/* ===================================
   HEADER / NAVEGAÇÃO
   =================================== */
#header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-base);
    background: linear-gradient(180deg, rgba(12, 26, 48, 0.9) 0%, rgba(12, 26, 48, 0) 100%);
}

#header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-base);
}

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

.nav-link:hover {
    color: var(--color-highlight);
}

.nav-link.active {
    color: var(--color-highlight);
    font-weight: 600;
}

#header.scrolled .nav-link {
    color: var(--color-text-dark);
}

#header.scrolled .nav-link:hover,
#header.scrolled .nav-link.active {
    color: var(--color-primary);
}

#header.scrolled .nav-link::after {
    background: var(--gradient-primary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    width: 1.5rem;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-base);
}

#header.scrolled .mobile-menu-btn span {
    background-color: var(--color-text-dark);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* Mobile Menu */
.nav-menu.mobile-active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 5rem;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: 2rem 1rem;
    box-shadow: var(--shadow-lg);
    gap: 1rem;
    animation: fadeIn var(--transition-base);
}

.nav-menu.mobile-active .nav-link {
    color: var(--color-text-dark);
}

body.nav-open {
    overflow: hidden;
}

/* ===================================
   BOTÕES
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    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, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn:focus-visible {
    outline: 3px solid rgba(50, 130, 184, 0.4);
    outline-offset: 3px;
}

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

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

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

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-highlight);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

.icon-arrow {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-base);
}

.btn:hover .icon-arrow {
    transform: translateX(4px);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    color: var(--color-text-white);
    overflow: hidden;
    padding-top: 5rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(120deg, rgba(12, 26, 48, 0.88) 0%, rgba(15, 76, 117, 0.8) 50%, rgba(12, 26, 48, 0.92) 100%), url('images/hero-ai-business.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.9;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 40%, rgba(255, 255, 255, 0.05), transparent 35%),
                radial-gradient(circle at 80% 30%, rgba(50, 130, 184, 0.08), transparent 45%);
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    gap: 3rem;
    align-items: center;
    padding: 4rem 0;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 3fr 1fr;
        gap: 4rem;
    }
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #f8fafc;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
}

.hero-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.hero-benefits .icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    color: var(--color-success);
    margin-top: 0.25rem;
}

.hero-benefits span {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.95);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
    }
}

/* Badge de Urgência */
.urgency-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

.urgency-badge .icon {
    width: 1rem;
    height: 1rem;
}

/* Prova Social no Hero */
.hero-trust {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-stat {
    display: flex;
    flex-direction: column;
}

.trust-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-highlight);
    line-height: 1;
}

.trust-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.25rem;
}

/* ===================================
   SEÇÕES
   =================================== */
section {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    section {
        padding: 6rem 0;
    }
}

@media (min-width: 1024px) {
    section {
        padding: 7rem 0;
    }
}

.section-light {
    background-color: var(--color-bg-white);
}

.section-gradient {
    background: var(--gradient-light);
}

.section-dark {
    background: var(--gradient-dark);
    color: var(--color-text-white);
}

.section-header {
    max-width: 48rem;
    margin: 0 auto 4rem;
    text-align: center;
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: 1rem;
    color: inherit;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

.section-dark .section-description {
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   GRIDS
   =================================== */
.grid-2 {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.grid-3 {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.grid-4 {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   CARDS
   =================================== */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.card-icon {
    width: 3rem;
    height: 3rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.card-icon-large {
    width: 4rem;
    height: 4rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon-large.blue {
    background: linear-gradient(135deg, rgba(15, 76, 117, 0.1) 0%, rgba(50, 130, 184, 0.1) 100%);
    color: var(--color-primary);
}

.card-icon-large.purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    color: #8b5cf6;
}

.card-icon-large.cyan {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    color: #06b6d4;
}

.card-icon-large.indigo {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(129, 140, 248, 0.1) 100%);
    color: #6366f1;
}

.card-icon-large.amber {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    color: #f59e0b;
}

.card-icon-large svg {
    width: 2rem;
    height: 2rem;
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: 0.75rem;
    color: var(--color-text-dark);
}

.card-text {
    font-size: var(--font-size-base);
    color: var(--color-text-medium);
    line-height: 1.6;
}

.card-dark {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.card-dark .card-title {
    color: var(--color-text-white);
}

.card-dark .card-text {
    color: rgba(255, 255, 255, 0.8);
}

.card-hover {
    cursor: pointer;
}

/* ===================================
   PROCESSO
   =================================== */
.process-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.process-step {
    position: relative;
    padding: 2rem;
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.process-step:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.process-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1;
}

.process-title {
    font-size: var(--font-size-xl);
    margin-bottom: 0.75rem;
    color: var(--color-text-dark);
}

.process-text {
    font-size: var(--font-size-base);
    color: var(--color-text-medium);
    line-height: 1.6;
}

/* ===================================
   CASES
   =================================== */
.case-sector {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--color-primary-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.case-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.case-item h4 {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-highlight);
    margin-bottom: 0.5rem;
}

.case-item p {
    color: rgba(255, 255, 255, 0.9);
}

.case-result {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.case-result h4 {
    color: var(--color-text-white);
    padding-bottom: 10px;
}

.result-highlight {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-success);
}

/* ===================================
   DEPOIMENTOS
   =================================== */
.testimonial-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-medium);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-text-dark);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ===================================
   FAQ
   =================================== */
.faq-container {
    max-width: 48rem;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.5rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-base);
}

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

.faq-toggle {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    padding: 0 1.5rem;
    color: var(--color-text-medium);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

/* ===================================
   FORMULÁRIO DE CONTATO
   =================================== */
.contact-header {
    max-width: 48rem;
    margin: 0 auto 3rem;
    text-align: center;
}

.response-time {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: 1.5rem;
}

.response-time .icon {
    width: 1.25rem;
    height: 1.25rem;
}

.contact-form-wrapper {
    max-width: 42rem;
    margin: 0 auto;
}

.contact-form {
    position: relative;
    background: linear-gradient(160deg, rgba(15, 76, 117, 0.12) 0%, rgba(26, 26, 46, 0.35) 100%);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45), 0 10px 30px -10px rgba(15, 76, 117, 0.35);
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 20%, rgba(187, 225, 250, 0.12), transparent 35%),
                radial-gradient(circle at 85% 10%, rgba(16, 185, 129, 0.12), transparent 40%);
    pointer-events: none;
}

.contact-form > * {
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .contact-form {
        padding: 3rem;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem 1.5rem;
    }
}

.form-row {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.92);
}

.form-group input,
.form-group textarea {
    padding: 0.95rem 1.1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text-dark);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(15, 76, 117, 0.12);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(50, 130, 184, 0.5);
    box-shadow: 0 10px 30px -12px rgba(15, 76, 117, 0.6), 0 0 0 4px rgba(50, 130, 184, 0.15);
    transform: translateY(-1px);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
    opacity: 0.9;
}

.contact-form .btn {
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 30px -18px rgba(16, 185, 129, 0.65), 0 10px 25px -15px rgba(0, 0, 0, 0.35);
    min-height: 3.5rem;
}

@media (max-width: 480px) {
    .contact-form {
        padding: 2rem;
    }
}

@media (min-width: 768px) {
    .contact-form .form-group:nth-of-type(5),
    .contact-form button,
    .contact-form .form-privacy {
        grid-column: 1 / -1;
    }
}

.form-privacy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.5rem;
    text-align: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
}

.form-privacy .icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    color: var(--color-highlight);
}

/* ===================================
   TOAST NOTIFICATIONS
   =================================== */
.toast {
    position: fixed;
    top: 6rem;
    right: 1rem;
    z-index: 2000;
    background: var(--color-bg-white);
    color: var(--color-text-dark);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInRight var(--transition-base);
    max-width: 24rem;
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast-icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: var(--color-success);
}

.toast.error .toast-icon {
    color: var(--color-danger);
}

.toast-message {
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    gap: 3rem;
    grid-template-columns: 1fr;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-description {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact .icon {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-contact a {
    color: var(--color-highlight);
    transition: color var(--transition-base);
}

.footer-contact a:hover {
    color: var(--color-text-white);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-white);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-text-white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
}

.social-links svg {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-privacy {
    font-size: var(--font-size-xs);
    margin-top: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
}

/* ===================================
   RESPONSIVIDADE E ACESSIBILIDADE
   =================================== */
@media (max-width: 640px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* Melhorias de Acessibilidade */
*:focus-visible {
    outline: 3px solid rgba(50, 130, 184, 0.5);
    outline-offset: 2px;
}


@media (max-width: 426px) {
    header .desktop-only{
        display: none;
    }
}

/* Reduzir animações para usuários com preferência */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}