:root {
    --bg-color: #050505;
    --fg-color: #ffffff;
    --text-primary: var(--fg-color);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-dim: rgba(255, 255, 255, 0.45);
    --border-color: rgba(255, 255, 255, 0.15);
    --border-bold: rgba(255, 255, 255, 0.3);
    --accent-color: #34d399;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Instrument Serif', serif;
    --font-mono: 'Space Mono', monospace;
    --transition-mech: 0.1s steps(4);
    --transition-smooth: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-instant: 0.05s linear;
}

[data-theme="light"] {
    --bg-color: #f5f5f5;
    --fg-color: #050505;
    --text-primary: #050505;
    --text-secondary: rgba(5, 5, 5, 0.7);
    --text-dim: rgba(5, 5, 5, 0.45);
    --border-color: rgba(5, 5, 5, 0.1);
    --border-bold: rgba(5, 5, 5, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    position: relative;
    cursor: crosshair;
}

/* Theme Fallbacks (when Tailwind fails or for simple consistency) */
.bg-black { background-color: var(--bg-color) !important; }
.text-white { color: var(--fg-color) !important; }
.border-white\/10 { border-color: var(--border-color) !important; }
.text-white\/40, .text-white\/30, .text-white\/20, .text-white\/55, .text-white\/70, .text-white\/85 { color: var(--text-secondary) !important; }
.text-white\/30, .text-white\/40 { color: var(--text-dim) !important; }

@media (pointer: coarse) {
    body { cursor: auto; }
    .precision-cursor { display: none !important; }
}

.font-mono { font-family: var(--font-mono); font-weight: 400; }

/* Progress Bar */
.progress-bar-container {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: transparent;
}

.progress-bar {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    box-shadow: 0 0 10px var(--accent-color);
}

/* Nav Links */
.nav-link {
    position: relative;
    padding: 2px 4px;
    transition: var(--transition-mech);
}

.nav-link::before {
    content: '[';
    position: absolute;
    left: -10px;
    opacity: 0;
    transition: var(--transition-mech);
    color: var(--accent-color);
}

.nav-link::after {
    content: ']';
    position: absolute;
    right: -10px;
    opacity: 0;
    transition: var(--transition-mech);
    color: var(--accent-color);
}

.nav-link:hover {
    color: white;
}

.nav-link:hover::before, .nav-link:hover::after {
    opacity: 1;
    left: -8px;
}

.nav-link:hover::after {
    right: -8px;
}

/* Layout Utilities */
.container-custom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

@media (min-width: 640px) {
    .container-custom {
        padding: 0 2rem;
    }
}

.container-custom-flush {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

@media (min-width: 640px) {
    .container-custom-flush {
        padding: 0 2rem;
    }
}

@media print {
    #priv-bar, .progress-bar-container, .status-dot { display: none !important; }
    body {
        background-color: #050505 !important;
        color: #ffffff !important;
        -webkit-print-color-adjust: exact !important;
    }
    .bg-black { background-color: #050505 !important; }
    .text-white { color: #ffffff !important; }
    article, .skill-group, .edu-item, .exp-item { page-break-inside: avoid; }
    .reveal-mech, .reveal { opacity: 1 !important; transform: none !important; }
}

#cl-links a {
    color: var(--fg-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    padding: 4px 8px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: .15em;
    text-transform: uppercase;
    transition: all .2s;
}
#cl-links a:hover { border-color: var(--fg-color); }

.hairline {
    border-color: var(--border-color);
}

.border-b { border-bottom: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }
.border-l { border-left: 1px solid var(--border-color); }
.border-r { border-right: 1px solid var(--border-color); }

/* Typography */
.serif {
    font-family: var(--font-serif);
}

.nav-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-weight: 400;
}

.nav-label .dim {
    color: rgba(255, 255, 255, 0.3);
}

.label-tiny {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--text-dim);
    font-weight: 400;
}

.hero-title {
    font-size: clamp(3rem, 16vw, 11vw);
    font-weight: 900;
    line-height: 0.82;
    letter-spacing: -0.05em;
}

.hero-sub {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    letter-spacing: -0.01em;
}

.hero-sub .serif {
    font-size: 1.25rem;
    font-style: italic;
}

.info-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Header & Status */
.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-color);
    animation: soft-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes soft-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

/* Precision Cursor */
.precision-cursor {
    width: 20px;
    height: 20px;
    border: 1px solid var(--accent-color);
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    mix-blend-mode: difference;
    transition: width 0.3s var(--transition-mech), height 0.3s var(--transition-mech);
}

body:active .precision-cursor {
    width: 10px;
    height: 10px;
    background: var(--accent-color);
}

/* Mechanical Reveal */
.reveal-mech {
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.4s var(--transition-mech), transform 0.4s var(--transition-mech);
}

.reveal-mech.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Mechanical Glitch */
.glitch-active {
    opacity: 0.8;
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="n"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23n)"/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 9999;
    filter: contrast(180%) brightness(120%);
}

/* Structural Header Overrides */
header {
    border-bottom-width: 2px;
}

/* Hero Background Text */
.hero-bg-text {
    position: absolute;
    font-weight: 900;
    line-height: 1;
    color: rgba(255, 255, 255, 0.015);
    user-select: none;
    z-index: -1;
}

.hero-bg-text.left {
    top: 5rem;
    left: -10rem;
    font-size: 25vw;
}

.hero-bg-text-cv {
    position: absolute;
    bottom: -5rem;
    right: -5rem;
    font-family: var(--font-serif);
    font-size: 20vw;
    font-weight: 400;
    font-style: italic;
    color: rgba(255, 255, 255, 0.025);
    user-select: none;
    z-index: -1;
}

/* Stat Cards */
.stat-card {
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
}

@media (min-width: 640px) {
    .stat-card {
        padding: 1.5rem 2rem;
    }
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-sub {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-dim);
    margin-top: 0.25rem;
}

/* Marquee */
.marquee {
    display: flex;
    white-space: nowrap;
    width: 100%;
}

.marquee-content {
    display: flex;
    gap: 3rem;
    padding: 0 1.5rem;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.35);
    animation: marquee-scroll 45s linear infinite;
}

.marquee-content span {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.marquee-content span::after {
    content: '';
    width: 2px;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-100%); }
}

/* Section Styling */
.section-header {
    background-color: var(--bg-color);
}

.section-number {
    font-family: monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: rgba(255, 255, 255, 0.4);
}

.section-title {
    font-size: clamp(1.5rem, 5vw, 1.875rem);
    font-weight: 900;
    letter-spacing: -0.02em;
}

/* Breathe Card */
.breathe-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

@media (min-width: 640px) {
    .breathe-card {
        padding: 2rem;
    }
}

.breathe-val {
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    animation: float 8s ease-in-out infinite;
}

@media (min-width: 640px) {
    .breathe-val {
        font-size: 2.25rem;
    }
}

/* Experience Items */
.exp-item {
    transition: background-color 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 1.25rem;
}

@media (min-width: 640px) {
    .exp-item {
        padding: 0 2rem;
    }
}

.exp-item:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

.mono-label {
    font-family: monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.55);
}

.exp-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: white;
    display: inline-block;
    position: relative;
    padding-bottom: 2px;
}

.exp-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: white;
    transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.exp-item:hover .exp-title::after {
    width: 100%;
}

@media (min-width: 640px) {
    .exp-title {
        font-size: 1.5rem;
    }
}

.exp-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.exp-list li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    gap: 1.5rem;
    line-height: 1.7;
}

.exp-list li::before {
    content: '—';
    color: rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
    transition: color 0.5s ease;
}

.exp-item:hover .exp-list li::before {
    color: rgba(255, 255, 255, 0.8);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag-cloud span {
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3px 10px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.5s ease;
}

.exp-item:hover .tag-cloud span {
    border-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
}

/* Education & Skills */
.edu-item {
    transition: background-color 0.7s ease;
    padding: 0 1.25rem;
}

@media (min-width: 640px) {
    .edu-item {
        padding: 0 2rem;
    }
}

.edu-item:hover {
    background-color: rgba(255, 255, 255, 0.015);
}

.lang-bar .bar-bg {
    height: 1px;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    position: relative;
}

.lang-bar .bar-fill {
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    width: 0;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-group {
    padding: 2rem 1.25rem;
}

@media (min-width: 640px) {
    .skill-group {
        padding: 2.5rem 2rem;
    }
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.skill-list li {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    display: inline-block;
    cursor: default;
}

.skill-list li::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: white;
    transition: width 0.3s ease;
}

.skill-list li:hover::after {
    width: 100%;
}

/* Contact Section */
.bg-arrow {
    position: absolute;
    bottom: -2.5rem;
    right: -2.5rem;
    font-family: var(--font-serif);
    font-size: 18rem;
    color: rgba(255, 255, 255, 0.03);
    user-select: none;
    animation: float-slow 8s ease-in-out infinite;
}

.contact-cta {
    font-size: clamp(2.25rem, 8vw, 4.5rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.03em;
}

.email-link {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: white;
    text-decoration: none;
    position: relative;
}

.email-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: white;
    transform: scaleX(1);
    transition: transform 0.3s ease;
}

.email-link:hover::after {
    transform: scaleX(0.4);
    transform-origin: left;
}

.contact-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

@media (min-width: 640px) {
    .contact-card {
        padding: 2rem;
    }
}

.tag-label {
    font-size: 1rem;
    font-weight: 500;
    color: white;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-15px, -15px); }
}

@keyframes drift-x {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(30px); }
}

/* Mobile Refinements */
@media (max-width: 640px) {
    .container-custom-flush {
        padding: 0 1.25rem;
    }
    
    .border-l, .border-r {
        border-left: none;
        border-right: none;
    }
    
    .sm\:border-l, .sm\:border-r {
        border-left: none;
        border-right: none;
    }
    
    .lg\:border-r {
        border-right: none;
    }
    
    .exp-item {
        border-left: none !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .exp-item div {
        border-left: none !important;
    }
    
    .skill-group {
        border-right: none !important;
        border-left: none !important;
        padding: 2rem 0;
    }
    
    .edu-item {
        padding-left: 0;
        padding-right: 0;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #050505;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Intersection Observer Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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