/* =========================================
   Pure CSS
   ========================================= */

/* CSS Variables / Design Tokens */
:root {
    /* Colors */
    --color-background: #0a0f1a;
    --color-background-alt: #0f1629;
    --color-card: #141b2d;
    --color-card-hover: #1a2340;
    --color-border: #1e293b;
    --color-border-hover: #334155;
    
    --color-primary: #22d3ee;
    --color-primary-hover: #06b6d4;
    --color-primary-dark: #0891b2;
    --color-primary-glow: rgba(34, 211, 238, 0.15);
    
    --color-text: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #94a3b8;   /* allineato a text-secondary — ~6.5:1 */
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);
}

@font-face {
    font-family: 'Inter';
    size-adjust: 100%;
    ascent-override: 90%;
    descent-override: 22%;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Code Background Canvas */
#codeBackground {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

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

/* LINKS / TYPOGRAPHY ELEMENTS */
.link-accent {
    position: relative;
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-base), transform var(--transition-fast);
}

.link-accent::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    box-shadow: 0 0 12px var(--color-primary-glow);
    transition: width var(--transition-base);
}

.link-accent:hover {
    color: var(--color-primary-hover);
    transform: translateY(-1px);
}

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

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* =========================================
   HEADER / NAVIGATION
   ========================================= */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-slow), border-color var(--transition-slow);
}

.header.scrolled {
    background: rgba(10, 15, 26, 0.98);
    border-color: var(--color-border-hover);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 1024px) {
    .nav-container {
        height: 80px;
        padding: 0 var(--space-xl);
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-text);
    transition: color var(--transition-base);
}

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

.logo-bracket {
    color: var(--color-primary);
    font-weight: 400;
}

.logo-text {
    color: var(--color-text);
    margin: 0 2px;
}

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

/* Desktop Navigation */
.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
    position: relative;
}

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

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

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

@media (max-width: 767px) {
    .nav-cta {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .nav-cta {
        display: inline-flex !important;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: background var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    background: rgba(10, 15, 26, 0.98);
}

.mobile-menu.active {
    display: flex;
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none !important;
    }
}

.mobile-link {
    padding: var(--space-md) 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition-base);
}

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

.mobile-cta {
    margin-top: var(--space-lg);
}

/* =========================================
   BUTTONS
   ========================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-card);
    border-color: var(--color-border-hover);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* =========================================
   SECTIONS
   ========================================= */

.section {
    padding: var(--space-4xl) 0;
}

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

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    text-wrap: balance;
}

@media (min-width: 640px) {
    .section-header h2 {
        font-size: 2.25rem;
    }
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* =========================================
   HERO SECTION
   ========================================= */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: var(--space-4xl);
    position: relative;
}

.hero-content {
    display: grid;
    gap: var(--space-3xl);
    align-items: center;
}

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

.hero-text {
    max-width: 600px;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

@media (min-width: 640px) {
    .hero h1 {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero h1 {
        font-size: 3.75rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.hero-description strong {
    color: var(--color-text);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

@media (min-width: 640px) {
    .stat-number {
        font-size: 2.5rem;
    }
}

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

/* Hero Buttons */
.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

/* Hero Visual */
.hero-visual {
    display: none;
    justify-content: center;
    align-items: center;
}

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

.code-circle {
    position: relative;
    width: 320px;
    height: 320px;
}

.code-circle::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--color-primary-glow);
    animation: pulse 3s ease-in-out infinite;
}

.code-circle::after {
    content: '';
    position: absolute;
    inset: 16px;
    border-radius: 50%;
    background: var(--color-primary-glow);
    opacity: 0.5;
}

.code-circle-inner {
    position: absolute;
    inset: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-card);
    border: 1px solid var(--color-border);
}

.code-icon {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.code-tag {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

/* =========================================
   ABOUT SECTION
   ========================================= */

.about-grid {
    display: grid;
    gap: var(--space-3xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }
}

.about-content h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-lg);
    text-wrap: balance;
}

@media (min-width: 640px) {
    .about-content h2 {
        font-size: 2.25rem;
    }
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-text p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.about-text strong {
    color: var(--color-text);
}

/* Contact Card */
.contact-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 0.875rem;
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-base);
}

a.contact-value:hover {
    color: var(--color-primary);
}

/* =========================================
   SERVICES SECTION
   ========================================= */

.services-grid {
    display: grid;
    gap: var(--space-lg);
}

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

.service-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    transition: background var(--transition-base), color var(--transition-base);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    transition: color var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--color-primary);
}

.service-card:hover .service-icon svg {
    color: var(--color-background);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* =========================================
   EXPERIENCE / TIMELINE
   ========================================= */

.timeline {
    position: relative;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .timeline {
        padding: 0;
    }
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

@media (max-width: 767px) {
    .timeline::before {
        left: 16px;
        transform: translateX(0);
    }
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-3xl);
    width: 100%;
}

@media (min-width: 768px) {
    .timeline-item {
        margin-bottom: var(--space-3xl);
    }

    .timeline-item:nth-child(odd) {
        text-align: right;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        margin-left: auto;
        margin-right: var(--space-xl);
        max-width: calc(50% - var(--space-xl));
    }

    .timeline-item:nth-child(even) .timeline-content {
        margin-left: var(--space-xl);
        margin-right: auto;
        max-width: calc(50% - var(--space-xl));
    }

    .timeline-item:nth-child(odd) .timeline-dot {
        left: auto;
        right: calc(50% - 9px);
    }

    .timeline-item:nth-child(even) .timeline-dot {
        left: calc(50% - 9px);
        right: auto;
    }
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -25px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border: 4px solid var(--color-background-alt);
    border-radius: 50%;
    z-index: 10;
}

@media (max-width: 767px) {
    .timeline-dot {
        left: 7px;
    }
}

.timeline-content {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 0;
    padding: var(--space-lg);
    transition: border-color var(--transition-base), transform var(--transition-base);
}

@media (min-width: 768px) {
    .timeline-item:first-child .timeline-content {
        border-top-right-radius: var(--radius-lg);
    }

    .timeline-item:not(:first-child):not(:last-child) .timeline-content {
        border-radius: 0;
    }

    .timeline-item:last-child .timeline-content {
        border-bottom-left-radius: var(--radius-lg);
    }
}

@media (max-width: 767px) {
    .timeline-content {
        margin-left: var(--space-xl);
    }
}

.timeline-content:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.timeline-period {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-xs);
}

.timeline-role {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* =========================================
   SKILLS SECTION
   ========================================= */

.skills-grid {
    display: grid;
    gap: var(--space-lg);
}

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

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

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

.skill-name {
    font-weight: 500;
    color: var(--color-text);
}

.skill-percent {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.skill-bar {
    height: 8px;
    background: var(--color-card);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
    border-radius: var(--radius-full);
    width: 0;
    transition: width 1s ease-out;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-3xl);
}

.tech-tag {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: border-color var(--transition-base), color var(--transition-base);
}

.tech-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* =========================================
   CONTACT SECTION
   ========================================= */

.contact-grid {
    display: grid;
    gap: var(--space-3xl);
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4xl);
    }
}

.contact-info h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-md);
    text-wrap: balance;
}

@media (min-width: 640px) {
    .contact-info h2 {
        font-size: 2.25rem;
    }
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: border-color var(--transition-base);
}

a.contact-link:hover {
    border-color: var(--color-primary);
}

.contact-link-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-glow);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: background var(--transition-base);
}

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

.contact-link-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    transition: color var(--transition-base);
}

a.contact-link:hover .contact-link-icon svg {
    color: var(--color-background);
}

.contact-link-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact-link-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Contact Form */
.contact-form-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.contact-form-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

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

.form-row {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    transition: border-color var(--transition-base), box-shadow 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-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

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

/* =========================================
   FOOTER
   ========================================= */

.footer {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
}

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

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

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

@media (min-width: 768px) {
    .footer-brand {
        flex-direction: row;
    }
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--color-text);
}

.external-icon {
    width: 12px;
    height: 12px;
}

.footer-divider {
    color: var(--color-text-muted);
}

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

/* =========================================
   ANIMATIONS
   ========================================= */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Smooth scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

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