:root {
    --bg-primary: #0b0b0b;
    --bg-surface: #111111;
    --bg-elevated: #171717;
    --bg-card: #141414;
    --border-subtle: #1f1f1f;
    --border-default: #2a2a2a;
    --border-accent: #3d342b;
    --text-primary: #e4e4e4;
    --text-secondary: #8a8a8a;
    --text-muted: #5c5c5c;
    --accent: #c49b6c;
    --accent-dim: #8b6f4e;
    --accent-glow: rgba(196, 155, 108, 0.15);
    --accent-subtle: rgba(196, 155, 108, 0.06);
    --danger: #5c3a3a;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --dot-grid-color: #333333;
    --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1160px;
    --section-gap: clamp(60px, 10vw, 100px);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: #2a2a2a #0b0b0b;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0b0b0b;
}

::-webkit-scrollbar-thumb {
    background: #2a2a2a;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a3a3a;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle, var(--dot-grid-color) 1px, transparent 1px);
    background-size: 24px 24px;
    background-position: 0 0;
    background-attachment: fixed;
}

/* ─── Subtle grain overlay ─── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    background-size: 180px 180px;
}

/* ─── Container ─── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
    position: relative;
    z-index: 1;
}

/* ─── Navigation ─── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.nav.scrolled {
    background: rgba(11, 11, 11, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    text-decoration: none;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo .logo-bracket {
    color: var(--accent);
    font-weight: 300;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    transition: var(--transition-fast);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition-fast);
}

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

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

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
    z-index: 101;
}

.nav-mobile-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 1px;
}

.nav-mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

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

.nav-mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── Section Headers ─── */
.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--accent-dim);
}

.section-title {
    font-family: var(--font-mono);
    font-size: clamp(1.3rem, 2.5vw, 1.7rem);
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.section-line {
    flex: 1;
    height: 1px;
    background: var(--border-default);
    min-width: 30px;
}

.section-line-accent {
    width: 40px;
    height: 1px;
    background: var(--accent-dim);
    flex-shrink: 0;
}

/* ─── Hero / Profile Section ─── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 60px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 15%;
    right: -5%;
    width: 350px;
    height: 350px;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    opacity: 0.4;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -3%;
    width: 180px;
    height: 180px;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    opacity: 0.25;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(40px, 7vw, 70px);
    align-items: center;
    position: relative;
    z-index: 1;
}

.profile-photo-wrapper {
    position: relative;
    flex-shrink: 0;
}

.profile-photo-outer-ring {
    position: absolute;
    inset: -12px;
    border: 1px solid var(--border-default);
    border-radius: 50%;
    animation: ringPulse 4s ease-in-out infinite;
}

.profile-photo-inner-ring {
    position: absolute;
    inset: -6px;
    border: 1px dashed var(--border-accent);
    border-radius: 50%;
    opacity: 0.5;
    animation: ringRotate 30s linear infinite;
}

@keyframes ringPulse {

    0%,
    100% {
        border-color: var(--border-default);
    }

    50% {
        border-color: #3a3229;
    }
}

@keyframes ringRotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.profile-photo {
    width: clamp(180px, 25vw, 260px);
    height: clamp(180px, 25vw, 260px);
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 2px solid #1e1e1e;
    position: relative;
    z-index: 2;
    background: #1a1a1a;
    filter: grayscale(15%) contrast(1.05);
}

.profile-photo-placeholder {
    width: clamp(180px, 25vw, 260px);
    height: clamp(180px, 25vw, 260px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    border: 2px solid #1e1e1e;
    position: relative;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 3rem;
    color: #3a3a3a;
    letter-spacing: 0.1em;
}

.hero-content h1 {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 8px;
    color: #f0f0f0;
}

.hero-content .hero-role {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hero-content .hero-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
    font-weight: 400;
}

.hero-accent-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    margin: 0 4px;
    vertical-align: middle;
    animation: dotBlink 2s ease-in-out infinite;
}

@keyframes dotBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

/* ─── About Section ─── */
.about-section {
    padding: var(--section-gap) 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 5vw, 60px);
    align-items: start;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 500;
}

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

.about-meta {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 28px;
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    background: var(--bg-surface);
    position: relative;
}

.about-meta::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20px;
    right: 20px;
    height: 1px;
    background: var(--accent-dim);
    opacity: 0.5;
}

.about-meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.about-meta-item .meta-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default);
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 0.7rem;
    color: var(--accent-dim);
}

.about-meta-item span {
    color: var(--text-primary);
    font-weight: 500;
}

/* ─── Tech & Software Stack ─── */
.stack-section {
    padding: var(--section-gap) 0;
    position: relative;
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 20px;
    justify-items: center;
}

.stack-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 18px 14px;
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    background: var(--bg-card);
    transition: var(--transition-smooth);
    cursor: default;
    position: relative;
    width: 100%;
    text-align: center;
}

.stack-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-elevated);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.stack-item .stack-icon {
    font-size: 2.2rem;
    height: 2.2rem;
    width: 2.2rem;
    transition: var(--transition-fast);
    filter: grayscale(25%);
    opacity: 0.85;
}

.stack-item:hover .stack-icon {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08);
}

.stack-item .stack-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.stack-item:hover .stack-label {
    color: var(--text-secondary);
}

.stack-item .stack-corner {
    position: absolute;
    width: 6px;
    height: 6px;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.stack-item .stack-corner.tl {
    top: 4px;
    left: 4px;
    border-top: 1px solid var(--border-subtle);
    border-left: 1px solid var(--border-subtle);
}

.stack-item .stack-corner.br {
    bottom: 4px;
    right: 4px;
    border-bottom: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
}

.stack-item:hover .stack-corner.tl,
.stack-item:hover .stack-corner.br {
    border-color: var(--accent-dim);
}

/* ─── Projects Section ─── */
.projects-section {
    padding: var(--section-gap) 0;
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.project-card {
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    background: var(--bg-card);
    overflow: hidden;
    transition: var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: #333;
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.project-card-image {
    height: 180px;
    background: #1a1a1a;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-subtle);
}

.project-card-image .project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: #3a3a3a;
    text-transform: uppercase;
    background: repeating-linear-gradient(-45deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.008) 2px,
            rgba(255, 255, 255, 0.008) 4px);
}

.project-card-body {
    padding: 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.project-card-number {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--accent-dim);
    text-transform: uppercase;
}

.project-card-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text-primary);
}

.project-card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.project-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}

.project-card-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border: 1px solid var(--border-default);
    border-radius: 1px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.project-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--accent);
    text-decoration: none;
    text-transform: uppercase;
    margin-top: 8px;
    transition: var(--transition-fast);
}

.project-card-link:hover {
    color: #d4ad7e;
    gap: 10px;
}

.project-card-link .arrow {
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.project-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.project-image::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(2, 6, 23, 0.7) 0%, transparent 50%);
}


.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}


/* ─── Contact Section ─── */
.contact-section {
    padding: var(--section-gap) 0;
    position: relative;
}

/* .contact-grid {
    display: flex;
    flex-direction: row;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 5vw, 60px);
    align-items: start;
} */

.contact-info {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 18px 14px;
    width: 80px;
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    background: var(--bg-card);
    transition: var(--transition-smooth);
    cursor: default;
    position: relative;
    text-decoration: none;
    color: inherit;
}

.info-icon {
    width: 40px;
    height: 40px;
    font-size: 40px;
}

.info-label {
    font-size: 0.65rem;
    color: var(--text-muted)
}

.info-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-elevated);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.info-item .info-icon {
    font-size: 2.2rem;
    height: 2.2rem;
    width: 2.2rem;
    transition: var(--transition-fast);
    filter: grayscale(25%);
    opacity: 0.85;
}

.info-item:hover .info-icon {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08);
}

.info-item .info-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.info-item:hover .info-label {
    color: var(--text-secondary);
}

.info-item .stack-corner {
    position: absolute;
    width: 6px;
    height: 6px;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.info-item .stack-corner.tl {
    top: 4px;
    left: 4px;
    border-top: 1px solid var(--border-subtle);
    border-left: 1px solid var(--border-subtle);
}

.info-item .stack-corner.br {
    bottom: 4px;
    right: 4px;
    border-bottom: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
}

.info-item:hover .stack-corner.tl,
.info-item:hover .stack-corner.br {
    border-color: var(--accent-dim);
}

/* ─── Footer ─── */
.footer {
    padding: 30px 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.footer-text span {
    color: var(--accent-dim);
}

/* ─── Reveal Animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
    }

    .hero-content .hero-tagline {
        max-width: 100%;
        margin: 0 auto;
    }

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

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

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

    .stack-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 12px;
    }

    .stack-item {
        padding: 14px 8px;
    }

    .stack-item .stack-icon {
        font-size: 1.6rem;
    }

    .stack-item .stack-label {
        font-size: 0.55rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        flex-direction: column;
        background: rgba(11, 11, 11, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 100px 30px 40px;
        gap: 24px;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border-subtle);
        z-index: 100;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 0.85rem;
    }

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

    .profile-photo-outer-ring {
        inset: -8px;
    }

    .profile-photo-inner-ring {
        inset: -4px;
    }

    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: 14px 18px;
    }

    .contact-info {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        padding: 14px 18px;
        gap: 10px;
        align-items: center;
        justify-items: center;
    }

    .contact-info>* {
        grid-column: span 2;
    }

    /* center the 2 items on the second row */
    .contact-info> :nth-child(4) {
        grid-column: 2 / span 2;
    }

    .contact-info> :nth-child(5) {
        grid-column: 4 / span 2;
    }

    .info-item {
        width: 80px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .stack-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
    }

    .stack-item .stack-icon {
        font-size: 1.4rem;
    }

    .stack-item .stack-label {
        font-size: 0.5rem;
    }

    .project-card-body {
        padding: 16px 18px;
    }

    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: 14px 18px;
    }
}