/* ===================================
   Pedro Lazzaroni - Portfolio CSS
   Pure CSS - No frameworks
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --border-color: #222222;
    --border-hover: #333333;
    
    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-muted: #a3a3a3;
    --text-dark: #737373;
    
    --accent-primary: #f97316;
    --accent-secondary: #ea580c;
    --accent-glow: rgba(249, 115, 22, 0.2);
    
    --gradient-text: linear-gradient(135deg, #f97316, #fb923c);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px;
    --header-height: 70px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 20px rgba(249, 115, 22, 0.3);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Selection */
::selection {
    background: var(--accent-glow);
    color: var(--accent-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 0px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

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

/* Page load overlay */
body.page-loading {
    overflow: hidden;
}

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.55s ease, visibility 0.55s ease;
}

.page-loader.is-done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loader-inner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-loader-logo {
    width: clamp(72px, 18vw, 120px);
    height: auto;
    display: block;
    animation: page-loader-pulse 1.35s ease-in-out infinite;
    filter: drop-shadow(0 8px 24px rgba(249, 115, 22, 0.18));
}

@keyframes page-loader-pulse {
    0%, 100% {
        opacity: 0.88;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.04);
    }
}

@media (prefers-reduced-motion: reduce) {
    .page-loader-logo {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .page-loader {
        transition-duration: 0.25s;
    }
}

/* Noise Overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ===================================
   HEADER
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.logo:hover .logo-img {
    transform: scale(1.1);
}

.logo-text {
    display: none;
}

@media (min-width: 768px) {
    .logo-text {
        display: inline;
    }
}

/* Desktop Navigation */
.nav-desktop {
    display: none;
    gap: 32px;
}

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

.nav-link {
    font-size: 12px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

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

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

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

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

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

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

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

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

.hamburger::after {
    bottom: -8px;
}

.menu-toggle.active .hamburger {
    background: transparent;
}

.menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    flex-direction: column;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px 24px;
}

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

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

.nav-link-mobile {
    font-size: 14px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.nav-link-mobile:last-child {
    border-bottom: none;
}

.nav-link-mobile:hover {
    color: var(--accent-primary);
    padding-left: 8px;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--header-height) + 40px) 24px 60px;
    position: relative;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-container {
        grid-template-columns: 1.15fr 0.85fr;
        gap: 80px;
    }
}

/* Hero Content */
.hero-content {
    max-width: 600px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 11px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid;
    background: transparent;
}

.badge-primary {
    color: var(--accent-primary);
    border-color: rgba(249, 115, 22, 0.3);
    background: rgba(249, 115, 22, 0.05);
}

.badge-secondary {
    color: var(--text-muted);
    border-color: var(--border-color);
}

.hero-title {
    font-size: clamp(32px, 6vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-weight: 400;
}

.hero-description {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(249, 115, 22, 0.05);
}

/* Social Links */
.hero-social {
    display: flex;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

/* Hero Visual - Code Card */
.hero-visual {
    display: none;
    width: 100%;
}

@media (min-width: 1024px) {
    .hero-visual {
        display: flex;
        flex-direction: column;
        gap: 0;
        width: min(100%, 520px);
        justify-self: end;
    }
}

/* Profile Image */
.hero-profile {
    position: relative;
}

.profile-image-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    border-bottom: none;
    overflow: hidden;
    aspect-ratio: 10 / 7;
    width: 100%;
    background: var(--bg-tertiary);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    filter: grayscale(30%);
    transition: all var(--transition-slow);
}

.profile-image:hover {
    filter: grayscale(0%);
    transform: scale(1.02);
}

.profile-status {
    position: absolute;
    bottom: 16px;
    left: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

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

.about-link {
    color: var(--accent-primary);
    transition: all var(--transition-fast);
}

.about-link:hover {
    color: var(--accent-secondary);
    transform: translateY(-2px);
}

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

.hero-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform var(--transition-slow);
    width: 100%;
    aspect-ratio: 19 / 9;
    display: flex;
    flex-direction: column;
}

.hero-card:hover {
    border-color: var(--accent-primary);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.card-dots {
    display: flex;
    gap: 6px;
}

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

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27ca40; }

.card-title {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.card-body {
    padding: 20px 24px;
    flex: 1;
    overflow: hidden;
}

.code-block {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    white-space: pre;
    overflow: hidden;
}

.code-keyword { color: #c678dd; }
.code-variable { color: #e5c07b; }
.code-property { color: #e06c75; }
.code-string { color: #98c379; }
.code-boolean { color: #d19a66; }
.code-method { color: #61afef; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dark);
    font-size: 11px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: float 2s ease-in-out infinite;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-dark), transparent);
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===================================
   SECTIONS
   =================================== */
.section {
    padding: var(--section-padding) 24px;
}

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

.section-header {
    margin-bottom: 60px;
}

.section-header-center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 2fr 1fr;
        gap: 80px;
    }
}

.about-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 20px;
}

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

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-primary);
    background: rgba(249, 115, 22, 0.1);
}

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

.stat-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ===================================
   SKILLS SECTION
   =================================== */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

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

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

.skill-category {
    padding: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.skill-category-header i {
    font-size: 24px;
    color: var(--accent-primary);
}

.skill-category-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 12px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.skill-category:hover .skill-tag {
    border-color: rgba(249, 115, 22, 0.3);
    color: var(--text-secondary);
}

/* ===================================
   EXPERIENCE SECTION (TIMELINE)
   =================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

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

@media (min-width: 768px) {
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    position: relative;
    padding-left: 40px;
    padding-bottom: 40px;
}

@media (min-width: 768px) {
    .timeline-item {
        padding-left: 0;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd) {
        padding-right: calc(50% + 40px);
        text-align: right;
    }
    
    .timeline-item:nth-child(even) {
        padding-left: calc(50% + 40px);
    }
}

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

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
}

.timeline-marker-edu {
    background: #3b82f6;
}

@media (min-width: 768px) {
    .timeline-marker {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
}

.timeline-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

@media (min-width: 640px) {
    .timeline-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 14px;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.timeline-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    white-space: nowrap;
}

.timeline-list {
    list-style: none;
    padding: 0;
}

.timeline-list li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.timeline-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

@media (min-width: 768px) {
    .timeline-item:nth-child(odd) .timeline-list {
        padding-left: 0;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd) .timeline-list li {
        padding-left: 0;
        padding-right: 16px;
    }
    
    .timeline-item:nth-child(odd) .timeline-list li::before {
        left: auto;
        right: 0;
    }
}

.timeline-description {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===================================
   PROJECTS SECTION
   =================================== */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

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

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

.project-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-fast);
}

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

.project-card-highlight {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(249, 115, 22, 0.02));
    border-color: rgba(249, 115, 22, 0.3);
}

.project-card-featured {
    background: linear-gradient(135deg, rgba(59, 246, 65, 0.1), rgba(59, 246, 65, 0.02));
    border-color: #96CE61;
}

.project-card-featured:hover {
    border-color: #96CE61;
}

.project-card-featured .project-icon {
    color: #96CE61;
    background: rgba(59, 246, 65, 0.1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.project-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-primary);
    background: rgba(249, 115, 22, 0.1);
}

.project-links {
    display: flex;
    gap: 12px;
}

.project-link {
    font-size: 20px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.project-link:hover {
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-description {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 16px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.project-tag {
    padding: 4px 10px;
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.project-date {
    font-size: 12px;
    color: var(--text-dark);
    font-family: var(--font-mono);
}

.projects-cta {
    text-align: center;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent-primary);
    background: rgba(249, 115, 22, 0.1);
    margin-bottom: 16px;
    transition: all var(--transition-fast);
}

.contact-card:hover .contact-icon {
    background: var(--accent-primary);
    color: var(--text-primary);
}

.contact-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-info {
    font-size: 14px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.footer-copy {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    font-size: 20px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

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

/* ===================================
   BACK TO TOP
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-primary);
    background: var(--accent-primary);
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-fast);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-secondary);
    transform: translateY(-3px);
}

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

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

/* ===================================
   UTILITIES
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}