:root {
    --bg-color: #0a0a0a;
    --card-bg: #111111;
    --card-hover: #1a1a1a;
    --card-border: #27272a;
    --border-hover: #3f3f46;
    --primary-color: #ffffff;
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --accent-color: #3b82f6;
    /* A subtle blue for links/highlights */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.2s ease;
}

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

body {
    background-color: var(--bg-color);
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: 0 0;
    animation: gridMove 20s linear infinite;
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

@keyframes gridMove {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 50px 50px;
    }
}

body.no-scroll {
    overflow: hidden;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--primary-color);
    line-height: 1.2;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 10%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 1100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--primary-color);
    letter-spacing: -0.02em;
    white-space: nowrap;
    margin-right: auto; /* pushes nav-links + nav-actions to the right */
}

/* Desktop action buttons (deadraon.dev + CV) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.nav-action-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}

.nav-action-link i {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.nav-action-link:hover {
    color: var(--primary-color);
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.09);
}

.nav-action-cv {
    background: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
}

.nav-action-cv:hover {
    background: #e4e4e7;
    color: var(--bg-color);
    border-color: #e4e4e7;
}

/* Mobile-only action links — hidden on desktop */
.nav-mobile-action {
    display: none !important;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-mobile-footer {
    display: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a i {
    display: none;
}

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

/* Hero CV text link */
.cv-hero-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 1.2rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.cv-hero-link:hover {
    color: var(--primary-color);
    gap: 0.5rem;
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    background: transparent 10px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

.menu-toggle i {
    transition: transform 0.2s ease;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
    border-color: var(--border-hover);
    background: var(--card-hover);
    outline: none;
}

.menu-toggle[aria-expanded="true"] i {
    transform: rotate(90deg);
}

/* Sections */
section {
    padding: 8rem 10% 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 10rem;
}

.hero h1 {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    max-width: 900px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 3rem;
    font-weight: 400;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #e4e4e7;
    /* Slightly darker white */
}

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

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

/* Grids */
.grid {
    display: grid;
    gap: 1.5rem;
    perspective: 1000px;
}

.skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

/* Cards (Minimalist style) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.card:hover {
    border-color: var(--border-hover);
    background: var(--card-hover);
    transform: translateY(-10px) rotateX(5deg) rotateY(-5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* Skills */
.skill-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
}

.skill-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.3s ease;
}

.skill-card:hover i {
    transform: scale(1.3) translateY(-5px);
    color: var(--accent-color);
}

.skill-card h3 {
    font-size: 1rem;
    font-weight: 500;
}

/* Projects */
.project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: transparent 5 px;
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Experience */
.timeline {
    border-left: 1px solid var(--card-border);
    padding-left: 2rem;
    margin-left: 1rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0.25rem;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--card-border);
    border: 2px solid var(--bg-color);
    transition: var(--transition);
}

.timeline-item:hover::before {
    background: var(--primary-color);
}

.timeline-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.timeline-item .role {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

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

.contact-link i {
    font-size: 1.25rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.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;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: transparent;
    border: 1px solid var(--card-border);
    padding: 1rem;
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-status {
    min-height: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 10%;
    border-top: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Typewriter cursor */
.typewriter-cursor {
    display: inline-block;
    width: 3px;
    height: 0.85em;
    background-color: #3b82f6;
    animation: blink 0.7s infinite;
    vertical-align: middle;
    margin-left: 2px;
    border-radius: 1px;
}

#typewriter {
    color: #3b82f6;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 4rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {

    nav {
        padding-top: max(1rem, env(safe-area-inset-top));
        padding-bottom: 0.9rem;
        padding-left: 5%;
        padding-right: 5%;
        background: rgba(6, 6, 6, 0.94);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        position: fixed;
    }

    .menu-toggle {
        display: inline-flex;
        width: 3rem;
        height: 3rem;
        border-color: rgba(255, 255, 255, 0.14);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.03);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    }

    .menu-toggle:hover,
    .menu-toggle:focus-visible {
        border-color: rgba(255, 255, 255, 0.28);
        background: rgba(255, 255, 255, 0.08);
    }

    .nav-links {
        position: fixed;
        top: calc(env(safe-area-inset-top, 0px) + 5.3rem);
        left: auto;
        right: 5%;
        width: min(16rem, 44vw);
        max-width: calc(100vw - 10%);
        background:
            linear-gradient(160deg, rgba(59, 130, 246, 0.12) 0%, rgba(255, 255, 255, 0.03) 30%, rgba(0, 0, 0, 0) 100%),
            rgba(10, 10, 12, 0.92);
        border: 1px solid rgba(255, 255, 255, 0.10);
        border-radius: 18px;
        backdrop-filter: blur(28px) saturate(180%);
        -webkit-backdrop-filter: blur(28px) saturate(180%);
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 0.7rem 0.8rem 0.55rem;
        z-index: 1102;
        box-shadow:
            0 24px 56px rgba(0, 0, 0, 0.60),
            0 4px 16px rgba(0, 0, 0, 0.45),
            inset 0 1px 0 rgba(255, 255, 255, 0.08),
            inset 0 0 0 0.5px rgba(255, 255, 255, 0.05);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-14px) scale(0.98);
        transform-origin: top center;
        transition: opacity 0.22s ease, visibility 0.22s ease, transform 0.28s ease;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }

    .nav-links a {
        min-height: 2.8rem;
        padding: 0.58rem 0.08rem;
        color: #f5f5f5;
        font-size: 0.82rem;
        font-weight: 800;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 0.7rem;
        border: none;
        border-bottom: 1px solid rgba(63, 63, 70, 0.7);
        border-radius: 0;
        background: transparent 5px;
        transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:last-of-type {
        border-bottom: none;
    }

    /* Hide desktop action buttons on mobile */
    .nav-actions {
        display: none;
    }

    /* Mobile action links in dropdown (deadraon.dev + CV) */
    .nav-mobile-action {
        display: flex !important;
        min-height: 2.8rem;
        padding: 0.58rem 0.08rem;
        color: var(--accent-color) !important;
        font-size: 0.82rem;
        font-weight: 800;
        align-items: center;
        gap: 0.7rem;
        border-bottom: 1px solid rgba(63, 63, 70, 0.7);
        border-radius: 0;
        background: transparent;
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .nav-mobile-action:hover {
        color: #ffffff !important;
    }

    .nav-mobile-cv {
        color: #ffffff !important;
        background: rgba(255, 255, 255, 0.08) !important;
        border-radius: 6px !important;
        padding: 0.5rem 0.6rem !important;
        margin-top: 0.2rem;
        border-bottom: none !important;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a:active {
        background: transparent;
        color: #ffffff;
        opacity: 1;
        text-shadow: 0 0 14px rgba(59, 130, 246, 0.18);
        transform: translateY(-1px);
        outline: none;
    }

    .nav-links a i {
        display: block;
        font-size: 0.92rem;
        color: currentColor;
        width: 0.95rem;
        text-align: center;
        flex-shrink: 0;
    }

    .nav-mobile-footer {
        display: block;
    }

    .nav-mobile-footer {
        margin-top: 0;
        padding: 0.55rem 0.08rem 0.08rem;
        border-top: 1px solid rgba(63, 63, 70, 0.7);
        color: rgba(255, 255, 255, 0.62);
        font-size: 0.68rem;
        line-height: 1.35;
    }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.22s ease, visibility 0.22s ease;
        z-index: 1090;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    section {
        padding: 5rem 5% 2rem;
    }

    .hero {
        padding-top: calc(env(safe-area-inset-top, 44px) + 80px);
        min-height: 70vh;
    }

    .hero h1 {
        font-size: 2.6rem;
        line-height: 1.1;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 1.9rem;
        margin-bottom: 2rem;
    }

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

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .skill-card {
        padding: 1.25rem 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .skill-card i {
        font-size: 2rem;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.3rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .card {
        padding: 1.5rem;
    }

    .timeline {
        padding-left: 1.5rem;
        margin-left: 0.5rem;
    }
}

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

    body {
        animation: none;
    }

    .reveal,
    .card,
    .skill-card i,
    .typewriter-cursor,
    .nav-links {
        animation: none;
        transition: none;
        transform: none;
    }

    .reveal {
        opacity: 1;
    }

    .card:hover {
        transform: none;
    }
}