:root {
    /* Neutrals */
    --bg-primary: #FAFAF8;
    --bg-secondary: #F4F4F2;
    --bg-elevated: #FFFFFF;
    --text-primary: #1A1A2E;
    --text-secondary: #5C6370;
    --text-muted: #8B919A;
    --border: #E8EAED;
    --border-hover: #D1D5DB;

    /* Muted pastels */
    --accent-primary: #7B9EBD;
    --accent-secondary: #8FAF9A;
    --accent-tertiary: #B8A9C9;
    --accent-warm: #D4A59A;

    /* Dark contrast */
    --dark-bg: #1E293B;
    --dark-text: #000000;

    /* Legacy aliases */
    --primary: var(--accent-primary);
    --primary-dark: #6A8DAD;
    --secondary: var(--text-secondary);
    --light: var(--bg-primary);
    --dark: var(--text-primary);
    --accent: var(--accent-primary);

    --transition-fast: 0.2s ease-out;
    --transition-base: 0.35s ease-out;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
    --radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
        'Open Sans', 'Helvetica Neue', sans-serif;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 var(--radius) 0;
}

.skip-to-content:focus {
    top: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--text-primary);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: padding var(--transition-fast), box-shadow var(--transition-fast);
}

header.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 100%;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-links a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
    border-radius: 2px;
}

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

.nav-links a:hover,
.nav-links a.active {
    color: #000000;
}

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

.mobile-menu a.active {
    color: var(--accent-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    border: none;
    background: transparent;
    z-index: 101;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 99;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0.75rem 0;
    padding: 0.75rem 2rem;
    transition: color var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu a:focus {
    color: #000000;
    outline: none;
}

/* Hero */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    background-image: radial-gradient(ellipse at 85% 15%, rgba(237, 232, 245, 0.5) 0%, transparent 55%),
        radial-gradient(ellipse at 10% 80%, rgba(212, 228, 212, 0.35) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
    color: var(--text-primary);
    padding-top: 5rem;
}

.hero::before,
.hero-bg-secondary,
.hero::after {
    display: none;
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 1;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-role {
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    line-height: 1.15;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 55ch;
    text-align: left;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.hero-resume-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    margin-left: 0.5rem;
    transition: color var(--transition-fast);
}

.hero-resume-link:hover {
    color: var(--accent-primary);
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--text-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
}

.btn:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.btn:hover {
    background-color: #2d2d44;
}

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

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

.btn-outline:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn.loading {
    pointer-events: none;
    opacity: 0.85;
}

/* Sections */
section {
    padding: 5rem 0;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
    background-color: var(--bg-primary);
    min-height: 200px;
}

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

@media (max-width: 768px) {
    section {
        opacity: 0.01;
    }

    #projects {
        background-color: var(--bg-primary);
        position: relative;
        z-index: 1;
    }

    section.fade-in-visible,
    section:target {
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
}

section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-align: center;
    line-height: 1.3;
    color: var(--text-primary);
}

.section-description {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem auto;
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 1.05rem;
}

p {
    text-align: left;
    line-height: 1.65;
    font-size: 1rem;
}

/* About */
.about-social-links {
    display: flex;
    gap: 1.25rem;
    margin-top: 1.75rem;
    background: none;
    padding: 0;
}

.about-social-links a {
    color: var(--text-muted);
    font-size: 1.35rem;
    transition: color var(--transition-fast);
}

.about-social-links a:hover {
    /* color: var(--accent-primary); */
    color: black;
    transform: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 220px;
    max-width: 520px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.about-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
}

.about-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.35;
}

.about-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-eyebrow {
    display: inline-block;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-primary);
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-width: 65ch;
}

.about-content p:last-of-type {
    margin-bottom: 0;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.875rem;
    margin: 1.5rem 0;
}

.about-highlight {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.95rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.about-highlight-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.about-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.25rem 0 1.25rem;
}

.about-actions .btn {
    min-width: 150px;
}

/* Education */
.education-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    overflow-x: visible;
    width: auto;
}

.education-card {
    flex: 0 0 420px;
    max-width: 100%;
    background-color: var(--bg-elevated);
    border-radius: var(--radius);
    padding: 2rem;
    border: 1px solid var(--border);
    box-shadow: none;
    transition: box-shadow var(--transition-base), border-color var(--transition-fast);
}

.education-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
    border-color: var(--border-hover);
}

.education-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.education-card .degree {
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.education-card .university {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.education-card .duration {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

.education-card ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.education-card ul li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.9375rem;
}

.education-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
    font-weight: bold;
}

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

.experience-timeline {
    display: grid;
    gap: 1.5rem;
}

.timeline-item {
    --timeline-accent: var(--accent-primary);
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 1rem;
    align-items: stretch;
}

.timeline-rail {
    position: relative;
    display: flex;
    justify-content: center;
}

.timeline-rail::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: -1.5rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--timeline-accent), rgba(123, 158, 189, 0.18));
}

.timeline-item:last-child .timeline-rail::before {
    bottom: 50%;
}

.timeline-dot {
    position: relative;
    z-index: 1;
    width: 14px;
    height: 14px;
    margin-top: 0.45rem;
    border-radius: 9999px;
    background: var(--bg-elevated);
    border: 3px solid var(--timeline-accent);
    box-shadow: 0 0 0 6px rgba(123, 158, 189, 0.08);
}

.experience-card {
    background-color: var(--bg-elevated);
    border-radius: var(--radius);
    padding: 2rem;
    border: 1px solid transparent;
    border-left: 3px solid var(--timeline-accent);
    box-shadow: none;
    transition: box-shadow var(--transition-base), border-color var(--transition-fast);
    max-width: 100%;
}

.experience-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
    border-color: var(--border-hover);
}

.experience-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.timeline-date {
    display: inline-flex;
    align-items: center;
    margin-bottom: 0.75rem;
    padding: 0.3rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    background-color: rgba(123, 158, 189, 0.1);
    color: var(--accent-primary);
}

.experience-card .role {
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
    display: block;
    font-size: 0.9375rem;
}

.experience-card .duration {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

.experience-card ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.experience-card ul li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.9375rem;
}

.experience-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--timeline-accent);
    font-weight: bold;
}

.timeline-summary {
    color: var(--text-secondary);
    margin: 0.25rem 0 1rem;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.timeline-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.timeline-link:hover {
    color: #000000;
    gap: 0.625rem;
}

/* Skills */
.skills {
    background-color: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    justify-content: center;
}

.skill-card {
    background-color: var(--bg-elevated);
    border-radius: var(--radius);
    padding: 1.75rem;
    border: 1px solid var(--border);
    box-shadow: none;
    transition: box-shadow var(--transition-base), border-color var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.skill-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
    border-color: var(--border-hover);
}

.skill-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.skill-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-chip {
    display: inline-block;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border);
}

/* Projects */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.project-category {
    width: 100%;
}

.category-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: left;
    position: relative;
    padding-bottom: 0.5rem;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.category-projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    justify-content: center;
}

.project-card {
    background-color: var(--bg-elevated);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: none;
    transition: box-shadow 0.4s ease, border-color 0.3s ease, transform 0.4s ease;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.project-image {
    height: 200px;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.project-card:hover .project-image img {
    transform: scale(1.03);
}

.project-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.project-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.35;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
    text-align: left;
    line-height: 1.6;
    font-size: 0.9375rem;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tags {
    margin-bottom: 1rem;
}

.tag {
    display: inline-block;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.7rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-right: 0.375rem;
    margin-bottom: 0.375rem;
    border: 1px solid var(--border);
    transition: none;
}

.tag:hover {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    transform: none;
    box-shadow: none;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    margin-top: auto;
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.project-link:hover {
    color: #000000;
    gap: 0.625rem;
}

.project-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: auto;
}

.project-actions .project-link {
    margin-top: 0;
}

.project-actions .live-link {
    margin-left: auto;
}

.project-link i {
    font-size: 0.75rem;
}

/* Contact */
.contact {
    background-color: var(--bg-secondary);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-elevated);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: none;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(123, 158, 189, 0.15);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.error-message {
    display: block;
    color: #c53030;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.form-status {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: var(--radius);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #edf7f0;
    color: #276749;
    border: 1px solid var(--accent-secondary);
}

.form-status.error {
    display: block;
    background-color: #fef2f2;
    color: #9b2c2c;
    border: 1px solid #fca5a5;
}

.btn-loader {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loader {
    display: inline-flex;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--dark-text);
    padding: 4rem 0 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info {
    text-align: center;
}

.footer-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: rgb(170, 191, 204);
}

.footer-info p {
    color: #94a3b8;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.9375rem;
}

.footer-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgb(170, 191, 204);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    font-size: 0.9375rem;
}

.footer-email:hover,
.footer-email:focus {
    border-color: rgba(255, 255, 255, 0.4);
    background-color: rgba(255, 255, 255, 0.05);
    outline: none;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.social-links a {
    color: #94a3b8;
    font-size: 1.35rem;
    transition: color var(--transition-fast);
    padding: 0.5rem;
    border-radius: 50%;
}

.social-links a:hover,
.social-links a:focus {
    color: rgb(0, 0, 0);
    transform: none;
    background-color: transparent;
}

.copyright {
    color: #64748b;
    font-size: 0.875rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background-color: var(--text-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
    z-index: 1000;
}

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

.back-to-top:hover {
    background-color: #2d2d44;
    transform: translateY(-2px);
}

.back-to-top:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Loader */
#loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
    opacity: 1;
    visibility: visible;
}

#loader-spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    section {
        opacity: 1;
        transform: none;
    }

    .project-card:hover .project-image img {
        transform: none;
    }

    .project-card:hover {
        transform: none;
    }

    #heroCanvas {
        display: none;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
    }

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

    .about-highlights {
        grid-template-columns: 1fr;
    }

    .about-actions {
        flex-direction: column;
    }

    .about-actions .btn {
        width: 100%;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .timeline-rail {
        display: none;
    }

    .experience-card {
        border-left: 3px solid var(--accent-primary);
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-resume-link {
        margin-left: 0;
        text-align: center;
    }

    .projects-grid,
    .skills-grid {
        padding: 0;
    }

    .category-title {
        font-size: 1.25rem;
        text-align: left;
    }

    .category-projects {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .project-card,
    .skill-card,
    .education-card,
    .experience-card {
        width: 100%;
        max-width: 100%;
        margin: 0;
        opacity: 1 !important;
        transform: none !important;
    }

    .hero-tagline {
        font-size: 1.05rem;
    }

    .hero {
        padding-top: 5.5rem;
        align-items: flex-start;
        min-height: auto;
        padding-bottom: 3rem;
    }

    .hero-content {
        padding: 1rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero-content h1 {
        font-size: 1.875rem;
    }

    .mobile-menu a {
        font-size: 1.25rem;
    }
}