/* ===================================
   VARIÁVEIS E RESET
   =================================== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --white: #ffffff;
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 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);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* ===================================
   NAVBAR GLASSMORPHISM
   =================================== */
.navbar-glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.navbar-glass .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.logo-apps {
    color: var(--dark);
}

.navbar-glass .nav-link {
    color: var(--dark);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.navbar-glass .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.navbar-glass .nav-link:hover::after {
    width: 80%;
}

/* Language Selector Styles */
.language-selector {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--dark);
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 110px;
}

.language-selector:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
}

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

.language-selector option {
    background: var(--white);
    color: var(--dark);
    padding: 0.5rem;
}

@media (max-width: 991px) {
    .language-selector {
        margin-top: 1rem;
        width: 100%;
    }
}

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

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.9;
    z-index: 1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: white;
    animation: fadeInUp 1s ease-out;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

.btn-primary {
    background: white;
    color: var(--primary);
    border: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: white;
    color: var(--primary-dark);
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-3px);
}

.hero-stats {
    padding-top: 3rem;
}

.stat-card {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid white;
    border-radius: 15px;
    position: relative;
    animation: scrollDown 2s infinite;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

@keyframes scrollDown {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; transform: translateY(5px); }
}

/* ===================================
   SECTIONS COMUM
   =================================== */
.sobre-section,
.projetos-section,
.contato-section {
    padding: 120px 0;
}

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   SOBRE SECTION
   =================================== */
.feature-card {
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1.5rem;
}

.feature-card h5 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
}

.tech-stack {
    margin-top: 5rem;
    padding: 3rem;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.tech-stack h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-5px);
}

.tech-item svg {
    transition: transform 0.3s ease;
}

.tech-item:hover svg {
    transform: scale(1.1);
}

.tech-item span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===================================
   PROJETOS SECTION
   =================================== */
.projetos-section {
    background: var(--light);
}

.project-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-card.featured {
    background: var(--gradient-primary);
    color: white;
}

.project-card.featured .project-description,
.project-card.featured .feature-item {
    color: rgba(255, 255, 255, 0.95);
}

.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.project-mockup {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-mockup svg {
    opacity: 0.9;
}

.project-content {
    padding: 1.5rem 0;
}

.project-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1.5rem;
}

.project-title {
    font-size: 1.8rem;
    font-weight: 700;
}

.status-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.status-badge.in-progress {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.status-badge.completed {
    background: #10b981;
    color: white;
}

.project-description {
    color: var(--gray);
    line-height: 1.8;
    margin: 1rem 0;
}

.project-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

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

.tech-tag {
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.project-card.featured .tech-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ===================================
   CONTATO SECTION
   =================================== */
.contact-card {
    padding: 3rem;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--light);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-link:hover .contact-icon {
    background: white;
    color: var(--primary);
}

.contact-link:hover .contact-info h5,
.contact-link:hover .contact-info p {
    color: white;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-info h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.contact-info p {
    color: var(--gray);
    margin: 0;
    font-size: 0.9rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0;
    margin-top: 5rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--gray);
    font-size: 0.95rem;
}

.footer-copyright {
    margin-bottom: 0.25rem;
}

.footer-made {
    color: var(--gray);
    font-size: 0.9rem;
}

.heart {
    color: #ef4444;
    display: inline-block;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
}

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

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .tech-stack {
        padding: 2rem;
    }
    
    .contact-card {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .sobre-section,
    .projetos-section,
    .contato-section {
        padding: 80px 0;
    }
    
    .hero-stats {
        padding-top: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .project-visual {
        padding: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}