/* ============================================
   ZafDrive Portfolio - Main Styles
   Portfolio-First Design System
   ============================================ */

:root {
    /* Color Palette - Dark Theme */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #13131a;
    --color-bg-tertiary: #1a1a24;
    
    /* Accent Colors */
    --color-accent-primary: #00d9ff;
    --color-accent-secondary: #7c3aed;
    --color-accent-tertiary: #06b6d4;
    --color-accent-gradient: linear-gradient(135deg, #00d9ff 0%, #7c3aed 100%);
    --color-accent-gradient-alt: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    
    /* Text Colors */
    --color-text-primary: #e8e8f0;
    --color-text-secondary: #a0a0b8;
    --color-text-muted: #6b6b84;
    
    /* Glass Morphism */
    --glass-bg: rgba(26, 26, 36, 0.68);
    --glass-bg-light: rgba(26, 26, 36, 0.45);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
    --glass-shadow-hover: 0 12px 48px rgba(0, 217, 255, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Transitions - Non-standard values */
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.284s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.426s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-secondary);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.lead-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

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

a:hover {
    color: var(--color-accent-secondary);
}

/* ============================================
   Layout Utilities
   ============================================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    color: var(--color-accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    margin-bottom: var(--spacing-sm);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   Particles Background
   ============================================ */

#particles-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at top, var(--color-bg-secondary) 0%, var(--color-bg-primary) 60%);
}

/* ============================================
   Navigation
   ============================================ */

.zaf-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.938rem;
    position: relative;
    transition: color var(--transition-base);
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 10;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.4rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-accent-primary);
    animation: fadeInDown 0.6s ease-out;
}

.hero-badge i {
    font-size: 1.1rem;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    letter-spacing: -2px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 820px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    background: rgba(0, 217, 255, 0.1);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.stat-item {
    padding: var(--spacing-md);
    min-width: 140px;
    text-align: center;
    border-radius: var(--radius-md);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   About Section
   ============================================ */

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

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-highlights {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.highlight-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.highlight-item:hover {
    border-color: var(--color-accent-primary);
    transform: translateX(5px);
}

.highlight-item i {
    font-size: 2rem;
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

.highlight-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.highlight-item p {
    font-size: 0.938rem;
    margin: 0;
}

/* Certifications */
.certifications {
    margin-top: var(--spacing-xl);
}

.certifications h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

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

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.cert-badge {
    padding: var(--spacing-sm);
    text-align: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.cert-badge:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent-primary);
}

.cert-badge i {
    font-size: 2rem;
    color: var(--color-accent-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.cert-badge span {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Terminal Window */
.about-visual {
    position: sticky;
    top: 100px;
}

.terminal-window {
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--glass-border);
}

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

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.813rem;
    color: var(--color-text-muted);
}

.terminal-body {
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.terminal-body .prompt {
    color: var(--color-accent-primary);
    margin-right: 0.5rem;
}

.terminal-body .output {
    color: var(--color-text-secondary);
    margin-left: 1.5rem;
}

.terminal-body .cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ============================================
   Projects Section
   ============================================ */

.projects-section {
    background: var(--color-bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all var(--transition-slow);
}

.project-card.featured {
    border: 2px solid var(--color-accent-primary);
}

.project-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.4rem 1rem;
    background: var(--color-accent-gradient);
    color: white;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.project-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

.project-icon i {
    font-size: 1.8rem;
    color: var(--color-accent-primary);
}

.project-meta {
    text-align: right;
}

.project-date {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.project-title {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.project-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    padding: 0.4rem 0.9rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 0.5rem;
    font-size: 0.813rem;
    color: var(--color-accent-primary);
    font-family: var(--font-mono);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: rgba(0, 217, 255, 0.2);
    transform: translateY(-2px);
}

.project-highlights {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.project-highlights li {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    font-size: 0.938rem;
}

.project-highlights i {
    color: var(--color-accent-primary);
    font-size: 0.875rem;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 217, 255, 0.2);
}

/* ============================================
   Skills Section
   ============================================ */

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

.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.skill-category {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
}

.category-header i {
    font-size: 1.8rem;
    color: var(--color-accent-primary);
}

.category-header h3 {
    font-size: 1.3rem;
}

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

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.938rem;
}

.skill-level {
    font-size: 0.813rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    width: 0;
    background: var(--color-accent-gradient);
    border-radius: 4px;
    transition: width 1s ease-out;
}

/* Infrastructure Showcase */
.infrastructure-showcase {
    margin-top: var(--spacing-2xl);
}

.infra-showcase-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.infra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.infra-item {
    padding: var(--spacing-lg);
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.infra-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--glass-shadow-hover);
}

.infra-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
}

.infra-icon i {
    font-size: 2.2rem;
    color: white;
}

.infra-item h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.infra-spec {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
}

.infra-detail {
    color: var(--color-text-muted);
    font-size: 0.938rem;
}

/* ============================================
   Experience Timeline
   ============================================ */

.experience-section {
    background: var(--color-bg-primary);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    margin-left: 80px;
    border-radius: var(--radius-lg);
}

.timeline-marker {
    position: absolute;
    left: -65px;
    top: var(--spacing-lg);
    width: 20px;
    height: 20px;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    border: 4px solid var(--color-bg-primary);
    z-index: 10;
}

.timeline-date {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 0.5rem;
    font-size: 0.813rem;
    color: var(--color-accent-primary);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-sm);
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

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

.timeline-achievements li {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    font-size: 0.938rem;
    line-height: 1.6;
}

.timeline-achievements i {
    color: var(--color-accent-primary);
    font-size: 0.875rem;
    margin-top: 0.3rem;
    flex-shrink: 0;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
}

.timeline-tags span {
    padding: 0.3rem 0.8rem;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 0.5rem;
    font-size: 0.813rem;
    color: var(--color-accent-secondary);
    font-family: var(--font-mono);
}

/* ============================================
   Services Section
   ============================================ */

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

.services-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.service-compact {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.service-compact:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-primary);
}

.service-compact i {
    font-size: 2.5rem;
    color: var(--color-accent-primary);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.service-compact h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.service-compact p {
    font-size: 0.938rem;
    margin: 0;
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.services-cta p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
    background: var(--color-bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.contact-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
    display: block;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-primary);
}

.contact-card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
}

.contact-card-icon i {
    font-size: 1.5rem;
    color: white;
}

.contact-card h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.contact-card p,
.contact-card a {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
}

.contact-form-wrapper {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.contact-form-wrapper h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.938rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.9rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 0.938rem;
    transition: all var(--transition-base);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    background: rgba(0, 217, 255, 0.05);
}

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

.form-group select {
    cursor: pointer;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding: 1rem 2rem;
    background: var(--color-accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

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

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

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

.footer-brand p {
    font-size: 0.938rem;
    margin-bottom: var(--spacing-xs);
}

.footer-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

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

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

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

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent-primary);
}

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

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-accent-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
}
/* ============================================
   FIX: Select dropdown styling
   ============================================ */

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d9ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: 0.5rem;
}

.form-group select:focus option {
    background-color: var(--color-bg-tertiary);
}

/* Firefox específico */
.form-group select option:checked {
    background-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}
/* ============================================
   Language Selector
   ============================================ */

.language-selector {
    position: relative;
    margin-left: var(--spacing-md);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lang-btn:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--color-accent-primary);
}

.lang-btn i:first-child {
    color: var(--color-accent-primary);
    font-size: 1rem;
}

.lang-btn i:last-child {
    font-size: 0.75rem;
    transition: transform var(--transition-base);
}

.lang-btn:hover i:last-child {
    transform: rotate(180deg);
}

.current-lang {
    font-family: var(--font-mono);
    font-weight: 600;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 180px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.lang-option:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.lang-option:hover {
    background: rgba(0, 217, 255, 0.1);
    color: var(--color-text-primary);
}

.lang-option.active {
    background: rgba(0, 217, 255, 0.15);
    color: var(--color-accent-primary);
    font-weight: 600;
}

.flag-icon {
    font-size: 1.25rem;
    line-height: 1;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .language-selector {
        margin-left: auto;
        margin-right: var(--spacing-sm);
    }
    
    .lang-btn {
        padding: 0.4rem 0.8rem;
    }
    
    .lang-btn span:not(.current-lang) {
        display: none;
    }
}