/**
 * Theo Andrade - Portfolio Website
 * Design inspirado em SimpleDiet com foco em SEO e conversão
 */

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --gradient-hero: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

strong {
    color: var(--primary-color);
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-2xl) 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.navbar {
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    gap: 0.25rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    transition: var(--transition-base);
}

/* Fallback para browsers sem suporte a gap */
.logo > * + * {
    margin-left: 0.25rem;
}

.logo-icon {
    color: var(--primary-color);
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    gap: var(--spacing-lg);
}

/* Fallback para browsers sem suporte a gap */
.nav-menu > * + * {
    margin-left: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn-cta,
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: var(--font-body);
}

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

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
    z-index: 0;
}

.hero-container {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 1fr;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    -webkit-align-items: center;
    position: relative;
    z-index: 1;
}

/* Fallback para gap */
@supports not (gap: 1rem) {
    .hero-container {
        grid-column-gap: var(--spacing-xl);
    }
}

.hero-content {
    -webkit-animation: fadeInUp 0.8s ease;
    animation: fadeInUp 0.8s ease;
}

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

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

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

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-stats {
    display: -webkit-flex;
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
}

/* Fallback para gap em flexbox */
@supports not (gap: 1rem) {
    .hero-stats {
        margin-left: calc(var(--spacing-lg) * -0.5);
        margin-right: calc(var(--spacing-lg) * -0.5);
    }
    
    .hero-stats > * {
        margin-left: calc(var(--spacing-lg) * 0.5);
        margin-right: calc(var(--spacing-lg) * 0.5);
    }
}

.stat-item {
    flex: 1;
    min-width: 150px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.cta-group {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.social-proof {
    margin-top: var(--spacing-md);
}

.social-proof-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.social-proof-text i {
    color: #10b981;
}

.hero-visual {
    position: relative;
    animation: fadeIn 1s ease;
}

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

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

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

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

.floating-card {
    position: absolute;
    background: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
}

.card-1 {
    top: 10%;
    left: -10%;
    color: #f0db4f;
    animation-delay: 0s;
}

.card-1 i { color: #f0db4f; }

.card-2 {
    bottom: 15%;
    right: -15%;
    color: var(--accent-color);
    animation-delay: 1s;
}

.card-2 i { color: var(--accent-color); }

.card-3 {
    top: 40%;
    left: -15%;
    color: #e34c26;
    animation-delay: 2s;
}

.card-3 i { color: #e34c26; }

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

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

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-description {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions {
    background: var(--bg-primary);
}

.solutions-grid {
    display: -ms-grid;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Fallback para gap e auto-fit */
@supports not (gap: 1rem) {
    .solutions-grid {
        grid-column-gap: var(--spacing-lg);
        grid-row-gap: var(--spacing-lg);
    }
}

@supports not (grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))) {
    .solutions-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    @media (max-width: 992px) {
        .solutions-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    
    @media (max-width: 768px) {
        .solutions-grid {
            grid-template-columns: 1fr;
        }
    }
}

.solution-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.solution-card.featured {
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.solution-card.featured::before {
    content: '★';
    position: absolute;
    top: 10px;
    right: 10px;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.solution-icon i {
    font-size: 1.75rem;
    color: white;
}

.solution-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.solution-card p {
    margin-bottom: var(--spacing-md);
}

.solution-features {
    list-style: none;
    padding: 0;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.solution-features i {
    color: #10b981;
}

/* Continuação do CSS... */
.tech-stack {
    background: var(--bg-secondary);
}

.tech-grid {
    display: -ms-grid;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Fallback para gap e auto-fit */
@supports not (gap: 1rem) {
    .tech-grid {
        grid-column-gap: var(--spacing-lg);
        grid-row-gap: var(--spacing-lg);
    }
}

@supports not (grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))) {
    .tech-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    @media (max-width: 992px) {
        .tech-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    
    @media (max-width: 768px) {
        .tech-grid {
            grid-template-columns: 1fr;
        }
    }
}

.tech-category {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.tech-category h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--bg-secondary);
}

.tech-category h3 i {
    color: var(--primary-color);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-base);
}

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

/* Timeline e outras seções... */
.experience {
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

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

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

.timeline-marker {
    position: absolute;
    left: -9px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 4px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.timeline-header h4 {
    color: var(--primary-color);
    font-weight: 600;
}

.timeline-period {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.timeline-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.timeline-achievements {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.timeline-achievements li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
}

.timeline-achievements i {
    color: var(--primary-color);
    margin-top: 3px;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--bg-secondary);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* PROJECTS */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: -ms-grid;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Fallback para gap */
@supports not (gap: 1rem) {
    .projects-grid {
        grid-column-gap: var(--spacing-lg);
        grid-row-gap: var(--spacing-lg);
    }
}

/* Fallback para auto-fit */
@supports not (grid-template-columns: repeat(auto-fit, minmax(350px, 1fr))) {
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    @media (max-width: 768px) {
        .projects-grid {
            grid-template-columns: 1fr;
        }
    }
}

.project-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: var(--bg-secondary);
}

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

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.btn-view-project {
    padding: 0.875rem 1.75rem;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.project-content h3 {
    margin-bottom: var(--spacing-sm);
}

.project-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--bg-secondary);
}

.project-highlights span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.project-highlights i {
    color: #10b981;
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-project-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-base);
}

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

/* CONTACT */
.contact {
    background: var(--bg-primary);
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-method:hover {
    background: var(--primary-color);
    transform: translateX(5px);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.method-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.method-content p {
    margin: 0;
    font-size: 0.875rem;
}

.contact-form-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

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

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition-base);
}

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

/* FOOTER */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: white;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon,
.footer-logo .logo-text,
.footer-logo .logo-accent {
    color: white !important;
}

.footer-logo:hover {
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright,
.made-with {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* BACK TO TOP */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* ========================================
       FORÇAR CENTRALIZAÇÃO TOTAL - MOBILE
       ======================================== */
    
    /* GLOBAL: Prevenir overflow horizontal */
    html {
        overflow-x: hidden !important;
        width: 100% !important;
    }
    
    /* CRITICAL: Remover limitação de largura e forçar ocupação total */
    body {
        overflow-x: hidden !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* Container base - OCUPAR TODA LARGURA */
    .container {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
    }
    
    /* Hero Container específico */
    .hero-container {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* Seções - OCUPAR TODA LARGURA */
    section {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
        box-sizing: border-box !important;
    }
    
    section .container {
        width: 100% !important;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
    
    /* Header/Navbar */
    #header,
    .navbar {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .navbar .container {
        width: 100% !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    .section-header {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    .section-title {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    .section-description {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
        max-width: 100% !important;
    }
    
    /* Hero Section */
    .hero {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 6rem 0 4rem 0 !important;
        text-align: center !important;
        box-sizing: border-box !important;
    }
    
    .hero .container {
        width: 100% !important;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
    
    .hero-content {
        text-align: center !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .hero-content > * {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    .badge,
    .hero-badge {
        margin-left: auto !important;
        margin-right: auto !important;
        justify-content: center !important;
        text-align: center !important;
    }
    
    .hero-title,
    .hero h1 {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    .hero-description,
    .hero p {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
        max-width: 90% !important;
    }
    
    /* Stats */
    .hero-stats {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
        gap: 1.5rem !important;
    }
    
    .stat-item {
        text-align: center !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        max-width: 300px !important;
        margin: 0 auto !important;
    }
    
    .stat-number,
    .stat-label {
        text-align: center !important;
    }
    
    /* Botões e CTAs */
    .cta-group {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        gap: 1rem !important;
        margin: 0 auto !important;
    }
    
    .btn-cta,
    .btn-primary,
    .btn-secondary {
        width: 100% !important;
        max-width: 400px !important;
        margin-left: auto !important;
        margin-right: auto !important;
        justify-content: center !important;
        text-align: center !important;
    }
    
    /* Social Proof */
    .social-proof {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        width: 100% !important;
    }
    
    .social-proof p,
    .social-proof-text {
        text-align: center !important;
        margin: 0 auto !important;
    }
    
    /* Grids */
    .solutions-grid,
    .tech-grid,
    .projects-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    
    /* Cards */
    .solution-card,
    .tech-category,
    .project-card {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .solution-card h3,
    .solution-card p,
    .tech-category h3,
    .project-card h3,
    .project-card p {
        text-align: center !important;
    }
    
    .solution-card ul,
    .tech-category ul {
        text-align: left !important;
        max-width: 85% !important;
        margin: 1rem auto !important;
    }
    
    /* Contact */
    .contact-content,
    .contact-wrapper {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
    }
    
    .contact-info,
    .contact-info-section {
        text-align: center !important;
        align-items: center !important;
        width: 100% !important;
    }
    
    .contact-info h3,
    .contact-info p {
        text-align: center !important;
    }
    
    .contact-methods {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        width: 100% !important;
    }
    
    .contact-method {
        text-align: center !important;
        justify-content: center !important;
        width: 100% !important;
    }
    
    .contact-form {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
    }
    
    .form-group {
        text-align: left !important;
        width: 100% !important;
    }
    
    /* Footer */
    .footer-content {
        display: flex !important;
        flex-direction: column !important;
        text-align: center !important;
        align-items: center !important;
        width: 100% !important;
    }
    
    .footer-brand,
    .footer-section,
    .footer-column {
        text-align: center !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
    }
    
    .footer-logo {
        justify-content: center !important;
        margin: 0 auto !important;
    }
    
    .footer-brand p {
        text-align: center !important;
    }
    
    .footer-links {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 0.75rem !important;
    }
    
    .footer-social {
        justify-content: center !important;
        margin: 0 auto !important;
    }
    
    .footer-bottom {
        display: flex !important;
        flex-direction: column !important;
        text-align: center !important;
        align-items: center !important;
        gap: 1rem !important;
    }
    
    .footer-bottom p {
        text-align: center !important;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-base);
        align-items: stretch;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        text-align: center;
        padding: var(--spacing-sm) 0;
    }
    
    .mobile-menu-toggle,
    .hamburger {
        display: flex !important;
    }
    
    /* Hero específico */
    .hero {
        min-height: auto !important;
        padding: 6rem 1rem 4rem 1rem !important;
    }
    
    .hero h1 {
        font-size: 2rem !important;
        line-height: 1.2 !important;
    }
    
    .hero-description {
        font-size: 1rem !important;
    }
    
    .floating-card {
        display: none !important;
    }
    
    .hero-image-wrapper {
        max-width: 350px !important;
        margin: 0 auto !important;
    }
    
    .hero-image-wrapper {
        max-width: 350px !important;
        margin: 0 auto !important;
    }
    
    /* Seções gerais */
    section {
        padding: 3rem 1rem !important;
    }
    
    /* Timeline */
    .timeline {
        padding-left: 1rem !important;
    }
    
    .timeline::before {
        left: 10px !important;
    }
    
    .timeline-item {
        padding-left: var(--spacing-lg) !important;
    }
    
    .timeline-marker {
        left: 1px !important;
    }
    
    .timeline-header {
        flex-direction: column !important;
        align-items: flex-start !important;
    }
    
    .timeline-period {
        white-space: normal !important;
    }
    
    /* Availability */
    .availability {
        text-align: center !important;
        margin: 0 auto !important;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .project-card {
        min-width: unset;
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .project-image {
        height: 200px;
    }
    
    .solution-card,
    .tech-category,
    .timeline-content,
    .project-card {
        padding: var(--spacing-md);
    }
}

/* ============================================
   COMPATIBILIDADE OPERA / BROWSERS ANTIGOS
   ============================================ */

/* Forçar layout correto em Opera */
body {
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
}

/* Garantir que grids funcionem */
.solutions-grid,
.tech-grid,
.projects-grid {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.solution-card,
.tech-category {
    -webkit-box-flex: 1;
    -ms-flex: 1 1 300px;
    flex: 1 1 300px;
    margin: 0.5rem;
}

.project-card {
    -webkit-box-flex: 1;
    -ms-flex: 1 1 350px;
    flex: 1 1 350px;
    margin: 0.5rem;
}

/* Hero container fallback */
.hero-container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.hero-content,
.hero-image-wrapper {
    -webkit-box-flex: 1;
    -ms-flex: 1 1 45%;
    flex: 1 1 45%;
    min-width: 300px;
}

/* Garantir spacing */
* + * {
    margin-top: 0;
}