:root {
    color-scheme: light;
    --bg-primary: oklch(98% 0.02 260);
    --bg-secondary: oklch(96% 0.03 260);
    --surface: oklch(99% 0.015 260);
    --surface-elevated: oklch(97% 0.02 260);
    --text-primary: oklch(22% 0.03 260);
    --text-secondary: oklch(44% 0.04 260);
    --accent: oklch(62% 0.2 262);
    --accent-hover: oklch(58% 0.22 262);
    --accent-2: oklch(68% 0.18 210);
    --border: oklch(90% 0.02 260);
    --glow: 0 0 0 1px color-mix(in oklab, var(--accent) 15%, transparent), 0 12px 40px -18px color-mix(in oklab, var(--accent) 40%, transparent);
    --shadow: 0 18px 40px -22px color-mix(in oklab, black 45%, transparent);
    --shadow-lg: 0 30px 70px -28px color-mix(in oklab, black 55%, transparent);
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg-primary: oklch(16% 0.02 260);
    --bg-secondary: oklch(20% 0.03 260);
    --surface: oklch(18% 0.02 260);
    --surface-elevated: oklch(22% 0.03 260);
    --text-primary: oklch(96% 0.02 260);
    --text-secondary: oklch(78% 0.03 260);
    --accent: oklch(70% 0.19 262);
    --accent-hover: oklch(74% 0.18 262);
    --accent-2: oklch(76% 0.16 210);
    --border: oklch(30% 0.02 260);
    --glow: 0 0 0 1px color-mix(in oklab, var(--accent) 18%, transparent), 0 12px 40px -18px color-mix(in oklab, var(--accent) 50%, transparent);
    --shadow: 0 20px 55px -28px color-mix(in oklab, black 75%, transparent);
    --shadow-lg: 0 34px 90px -32px color-mix(in oklab, black 85%, transparent);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background:
        radial-gradient(1000px 700px at 10% -10%, color-mix(in oklab, var(--accent) 12%, transparent), transparent 60%),
        radial-gradient(800px 600px at 90% -20%, color-mix(in oklab, var(--accent-2) 14%, transparent), transparent 55%),
        var(--bg-primary);
    overflow-x: hidden;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: color-mix(in oklab, var(--surface) 85%, transparent);
    backdrop-filter: blur(24px) saturate(160%);
    z-index: 2000;
    /* above backdrop */
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 1.25rem;
    max-width: 1200px;
    margin: 0.75rem auto;
    background: color-mix(in oklab, var(--surface) 75%, transparent);
    border: 1px solid var(--border);
    border-radius: 999px;
    box-shadow: var(--shadow);
    position: relative;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.02em;
}

/* compact nav variant: smaller, anchored to the right so it visually sits near the hero-name */
.nav.compact {
    position: absolute;
    right: 1rem;
    top: 0.6rem;
    padding: 0.45rem 0.6rem;
    max-width: 480px;
    border-radius: 14px;
}

.nav-links {
    list-style: none;
    gap: 0.75rem;
    align-items: center;
    justify-items: center;
    margin: 0 auto;
    max-width: 720px;
    padding: 0;
    position: fixed;
    top: 0;
    right: -100%;
    left: auto;
    height: 100vh;
    width: min(420px, 90vw);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    transform: none;
    transition: right 260ms cubic-bezier(.2, .9, .2, 1), opacity 200ms ease;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    z-index: 2500;
}

.nav-links a {
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.25s;
    background: transparent;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}

.nav-links a:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white !important;
    transform: translateY(-1px);
    box-shadow: var(--glow);
}

.aether-nav {
    backdrop-filter: blur(20px) saturate(160%);
}

.logo {
    margin-right: 0.75rem;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    transition: all 0.25s;
    background: transparent;
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    box-shadow: var(--glow);
}

.toggle {
    width: 44px;
    height: 24px;
    background: var(--border);
    border-radius: 24px;
    position: relative;
    transition: all 0.3s;
    cursor: pointer;
}

.toggle::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--surface);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

[data-theme="dark"] .toggle {
    background: color-mix(in oklab, var(--accent) 35%, var(--border));
}

[data-theme="dark"] .toggle::after {
    transform: translateX(20px);
}

/* Show sun in light theme, moon in dark theme */
.theme-toggle .sun,
.theme-toggle .moon {
    transition: opacity 200ms ease, transform 200ms ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.theme-toggle .moon {
    opacity: 0;
    transform: translateY(-2px) scale(0.95);
    display: none;
}

.theme-toggle .sun {
    opacity: 1;
    transform: translateY(0) scale(1);
}

[data-theme="dark"] .theme-toggle .sun {
    opacity: 0;
    transform: translateY(-2px) scale(0.95);
    display: none;
}

[data-theme="dark"] .theme-toggle .moon {
    opacity: 1;
    transform: translateY(0) scale(1);
    display: inline-flex;
}

.hamburger {
    display: block;
    font-size: 1.35rem;
    cursor: pointer;
    padding: 0.45rem 0.6rem;
    border-radius: 999px;
    z-index: 2400;
    background: transparent;
}

.hero {
    padding: 75px 5% 80px;
    max-width: 1400px;
    margin: 0 auto;
}

/* New flex layout for hero section */
.hero-flex {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-img-container {
    display: flex;
    justify-content: center;
    flex-shrink: 0;
}

.hero-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
}

.hero-name {
    margin-bottom: 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.hero-name h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
}

.hero-text {
    width: 100%;
}

.hero-img-container {
    display: flex;
    justify-content: center;
}

.hero-img {
    width: 280px;
    height: 280px;
    border-radius: 28px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    border: 6px solid color-mix(in oklab, var(--surface) 70%, transparent);
}

[data-theme="dark"] .hero-img {
    border-color: color-mix(in oklab, var(--surface) 50%, transparent);
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-text p:last-of-type {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    box-shadow: var(--shadow);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn.secondary {
    background: color-mix(in oklab, var(--surface) 80%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in oklab, var(--accent) 40%, var(--border));
}

.btn.secondary:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
    padding: 40px 5% 120px;
    max-width: 1400px;
    margin: 0 auto;
}

.bento-card {
    background: color-mix(in oklab, var(--surface) 88%, transparent);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 2.75rem;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 300px at -10% -10%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 60%);
    opacity: 0.7;
    pointer-events: none;
}

.bento-5 {
    grid-column: span 5;
}

.bento-6 {
    grid-column: span 6;
}

.bento-7 {
    grid-column: span 7;
}

.bento-8 {
    grid-column: span 8;
}

.bento-12 {
    grid-column: span 12;
}

.bento-card h2 {
    text-align: left;
    font-size: clamp(1.75rem, 3vw, 2.6rem);
    margin-bottom: 2rem;
    position: relative;
}

.bento-card h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 64px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), transparent);
    border-radius: 999px;
}

.bento-grid section {
    max-width: none;
    margin: 0;
}

.about-content {
    max-width: 1100px;
    text-align: left;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 2rem;
    align-items: start;
}

.about-text p {
    font-size: 1.05rem;
    width: auto;
    margin: 0 0 1.25rem;
    color: var(--text-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.skill-group {
    background: color-mix(in oklab, var(--surface-elevated) 85%, transparent);
    padding: 2rem 1.75rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.skill-group:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.skill-group h4 {
    color: var(--accent);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.skill-tags span {
    background: color-mix(in oklab, var(--surface-elevated) 92%, var(--accent) 3%);
    color: var(--text-primary);
    padding: 0.55rem 1.05rem;
    border-radius: 999px;
    font-size: 0.95rem;
    border: 1px solid color-mix(in oklab, var(--accent) 16%, var(--border));
    box-shadow: 0 6px 18px -10px color-mix(in oklab, black 8%, transparent);
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.skill-tags span:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px -18px color-mix(in oklab, black 12%, transparent);
}

[data-theme="dark"] .skill-tags span {
    background: color-mix(in oklab, var(--surface) 56%, transparent);
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: inset 0 1px 0 color-mix(in oklab, white 6%, transparent), 0 6px 18px -12px color-mix(in oklab, black 48%, transparent);
}

.skill-tags span:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px -14px color-mix(in oklab, black 18%, transparent), inset 0 1px 0 color-mix(in oklab, white 8%, transparent);
}

.exp-card {
    max-width: 100%;
    margin: 0;
    background: color-mix(in oklab, var(--surface-elevated) 88%, transparent);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.exp-header h3 {
    font-size: 2rem;
    color: var(--accent);
}

.exp-date {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.exp-responsibilities {
    display: grid;
    gap: 1.5rem;
}

.resp-item {
    padding: 1.5rem;
    background: color-mix(in oklab, var(--surface) 70%, transparent);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    transition: all 0.3s;
}

[data-theme="dark"] .resp-item {
    background: color-mix(in oklab, var(--surface) 55%, transparent);
}

.resp-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: color-mix(in oklab, var(--surface-elevated) 85%, transparent);
    padding: 2.25rem 2rem;
    border-radius: 20px;
    transition: all 0.3s;
    border: 1px solid var(--border);
    height: 100%;
    box-shadow: var(--shadow);
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
}

.project-card h3 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.project-tech {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 1rem 0;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.project-links a {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
}

.project-links a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.contact {
    text-align: center;
    background: color-mix(in oklab, var(--surface-elevated) 85%, transparent);
    border-radius: 24px;
    padding: 3.5rem 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.contact-link {
    padding: 1.25rem 2.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: var(--shadow);
    white-space: nowrap;
}

.contact-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 1024px) {
    .hero-flex {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .hero-info {
        align-items: center;
    }

    .hero-img {
        width: 240px;
        height: 240px;
    }

    .hero-name h1,
    .hero-title {
        text-align: center;
    }

    .bento-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .bento-5,
    .bento-6,
    .bento-7,
    .bento-8 {
        grid-column: span 6;
    }

    .bento-12 {
        grid-column: span 6;
    }

    .nav {
        max-width: 98%;
        padding: 0.5rem 0.75rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-links a {
        padding: 0.45rem 0.7rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .about-highlights {
        order: 3;
    }

    .about-side {
        order: 2;
    }

    .about-text {
        order: 1;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav {
        max-width: 94%;
        margin: 0.5rem auto;
        padding: 0.65rem 1rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        left: auto;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s, opacity 200ms ease;
        padding: 5rem 0;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        right: 0;
        opacity: 1;
        visibility: visible;
    }

    .hero {
        padding: 90px 5% 60px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .exp-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

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

    .contact-links {
        flex-direction: column;
        gap: 1.5rem;
    }

    .bento-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
        padding: 30px 5% 90px;
    }

    .bento-card {
        padding: 2.25rem;
    }

    .nav {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }

    .nav-links {
        gap: 0.45rem;
    }

    .nav-links a {
        padding: 0.35rem 0.6rem;
        font-size: 0.9rem;
    }
}

/* Hamburger-only nav: show overlay when active */
.nav-links.active {
    right: 0;
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
    background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 98%, transparent), color-mix(in oklab, var(--surface-elevated) 96%, transparent));
    padding: 2rem;
    gap: 0.75rem;
    box-shadow: -20px 0 60px -24px color-mix(in oklab, black 60%, transparent);
    z-index: 2500;
}

.nav-links.active li {
    list-style: none;
}

.nav-links.active a {
    font-size: 1rem;
    padding: 0.65rem 0.9rem;
    display: block;
    text-align: left;
    border-radius: 10px;
}

.nav-links .theme-item {
    margin-top: 0.75rem;
}

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.55);
    /* dim only, avoid heavy blur */
    backdrop-filter: none;
    z-index: 1500;
    opacity: 0;
    transition: opacity 180ms ease-in-out;
    pointer-events: none;
}

.nav-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
}

/* The pill wrapper that groups theme + hamburger controls */
.nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 6px;
    border-radius: 999px;
    background: color-mix(in oklab, var(--surface) 88%, transparent);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    z-index: 2500;
}

.nav-pill .theme-toggle {
    padding: 0.25rem 0.5rem;
    background: transparent;
}

.nav-pill .hamburger {
    margin-left: 6px;
}

/* Hero-name row to place the pill to the right of the title */
.hero-name-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    justify-content: flex-start;
    margin-bottom: 0.75rem;
}

/* Ensure the pill aligns to the right side of the hero-info area on wide layouts */
.hero-name-row .nav-pill {
    margin-left: auto;
}

@media (max-width: 900px) {
    .hero-name-row {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    .hero-name-row .nav-pill {
        margin-left: 0;
        order: 2;
    }

    .hero-name {
        order: 1;
        text-align: center;
        width: 100%;
    }
}

/* Keep hamburger visible at all sizes */
@media (min-width: 1101px) {
    .hamburger {
        display: block;
    }
}

@media (max-width: 480px) {
    section {
        padding: 60px 5%;
    }

    .hero-img {
        width: 200px;
        height: 200px;
    }
}

/* OSS Badges */
.oss-badge,
.npm-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, #10b981, #22c55e);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.npm-badge {
    background: linear-gradient(135deg, #ec4899, #f472b6);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.project-card {
    position: relative;
}

.project-card.featured {
    border: 2px solid var(--accent);
}

.project-card.featured:hover {
    border-color: var(--accent-hover);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    background: color-mix(in oklab, var(--surface) 96%, transparent);
    color: var(--text-secondary);
    padding: 1.25rem 1rem;
    margin-top: 2.5rem;
}

.site-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 0.95rem;
}
/* New styles for profile badges */
.contact-link-badge {
    display: inline-flex;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.9;
}

.contact-link-badge:hover {
    transform: translateY(-4px);
    opacity: 1;
}

/* Enhancements for Speaking section headers */
.speaking h3 {
    color: var(--accent);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.speaking h3:first-of-type {
    margin-top: 0;
}