/* ==========================================================================
   Morgan Greer - Personal Website Styles
   Nature-inspired design with dark theme and dynamic elements
   ========================================================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Forest/Brook Theme (inspired by Maine wilderness & cold water) */
    --bg-primary: #0a0f0d;
    --bg-secondary: #101916;
    --bg-tertiary: #162320;
    --text-primary: #ffffff;
    --text-secondary: #9cb0a8;
    --text-muted: #5a7068;
    --accent-primary: #3dd68c;
    --accent-secondary: #2ab875;
    --accent-tertiary: #4eeab0;
    --gradient-1: linear-gradient(135deg, #3dd68c 0%, #2ab875 50%, #4eeab0 100%);
    --gradient-2: linear-gradient(135deg, #4eeab0 0%, #3dd68c 100%);
    --border-color: rgba(255, 255, 255, 0.08);
    --glow-color: rgba(61, 214, 140, 0.3);

    /* Typography */
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 8rem;

    /* Sizing */
    --max-width: 1400px;
    --nav-height: 80px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

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

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

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

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

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

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

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

/* Cursor Glow Effect */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-normal);
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav.scrolled {
    height: 60px;
    background: rgba(10, 10, 15, 0.95);
}

.nav-logo a {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width var(--transition-normal);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-xl);
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    z-index: 2;
}

.hero-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
    background: rgba(61, 214, 140, 0.1);
    border: 1px solid rgba(61, 214, 140, 0.3);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease forwards;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-lg);
}

.hero-title .line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.hero-title .line:nth-child(1) { animation-delay: 0.1s; }
.hero-title .line:nth-child(2) { animation-delay: 0.2s; }
.hero-title .line:nth-child(3) { animation-delay: 0.3s; }

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.4s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.5s forwards;
}

/* Trusted By Section */
.trusted-by {
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.6s forwards;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.trusted-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-md);
}

.trusted-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.logo-text:hover {
    color: var(--text-primary);
    opacity: 1;
}

/* Neural Network Background */
.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0.5;
}

.neural-network {
    width: 100%;
    height: 100%;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    animation: fadeInUp 0.6s ease 0.6s forwards;
    opacity: 0;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(61, 214, 140, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(61, 214, 140, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(61, 214, 140, 0.1);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.section-number {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent-primary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-intro {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.about-headshot {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-primary);
    box-shadow: 0 0 40px var(--glow-color);
}

.about-headshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
}

.about-intro-text {
    flex: 1;
}

.about-headline {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.about-tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.about-lead {
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.about-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.about-skills h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.about-skills h3:not(:first-child) {
    margin-top: var(--spacing-xl);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cert-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.cert-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.cert-icon {
    font-size: 1.25rem;
}

/* ==========================================================================
   Experience Section
   ========================================================================== */
.experience {
    background: var(--bg-secondary);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), transparent);
}

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

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

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
    background: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-color);
}

.timeline-content {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.timeline-item:hover .timeline-content {
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.timeline-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.timeline-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.timeline-company {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-primary);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.timeline-content p {
    color: var(--text-secondary);
    margin: var(--spacing-md) 0;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline-tags span {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(61, 214, 140, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.project-image {
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card.featured .project-image {
    aspect-ratio: auto;
}

.project-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.project-icon {
    font-size: 4rem;
    opacity: 0.5;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

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

.project-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

.project-tech span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* ==========================================================================
   Writing Section
   ========================================================================== */
.writing {
    background: var(--bg-secondary);
}

.writing-intro {
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.writing-intro p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

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

.article-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.article-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.article-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: var(--spacing-md) 0;
    line-height: 1.3;
}

.article-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.article-link {
    font-weight: 500;
    color: var(--accent-primary);
    transition: color var(--transition-fast);
}

.article-link:hover {
    color: var(--accent-tertiary);
}

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

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.contact-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Engagement Model */
.engagement-model {
    margin-bottom: var(--spacing-xl);
}

.engagement-model h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.engagement-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.engagement-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(61, 214, 140, 0.1);
    border: 1px solid rgba(61, 214, 140, 0.3);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
}

/* Contact Methods */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

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

.contact-method-icon {
    font-size: 1.5rem;
}

.contact-method-text {
    display: flex;
    flex-direction: column;
}

.contact-method-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-method-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* CTA Card */
.contact-cta {
    display: flex;
    align-items: stretch;
}

.cta-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    width: 100%;
}

.cta-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.contact-link:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.contact-icon {
    font-size: 1.25rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

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

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

/* Intersection Observer Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .project-card.featured {
        grid-column: span 1;
        display: block;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 4rem;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding: var(--spacing-xl);
        padding-top: calc(var(--nav-height) + var(--spacing-xl));
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .trusted-by {
        text-align: center;
    }

    .trusted-logos {
        justify-content: center;
    }

    .about-intro {
        flex-direction: column;
        text-align: center;
    }

    .about-headshot {
        width: 160px;
        height: 160px;
    }

    .about-headline {
        font-size: 1.5rem;
    }

    .about-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .nav {
        padding: 0 var(--spacing-md);
    }

    .section-title {
        font-size: 2rem;
    }
}

/* Contact centered (no form) */
.contact-centered {
    display: flex;
    justify-content: center;
    text-align: center;
}

.contact-centered .contact-text {
    max-width: 600px;
}

.contact-centered .contact-links {
    justify-content: center;
    margin-top: var(--spacing-lg);
}