:root {
    /* Editorial Luxury Color Palette (Obsidian & Champagne) */
    --bg-deep: #080808;
    /* Deep Obsidian */
    --bg-soft: #0c0c0c;
    --bg-overlay: rgba(8, 8, 8, 0.92);

    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-uprank: rgba(255, 255, 255, 0.06);

    --text-primary: #f5f5f5;
    --text-secondary: #888888;
    --text-accent: #d4af37;
    /* Champagne Gold */
    --text-accent-muted: rgba(212, 175, 55, 0.15);
    --text-accent-glow: rgba(212, 175, 55, 0.1);

    --accent-blue: #323232;
    /* Muted */
    --accent-purple: #2a2a2a;
    /* Muted */

    --shadow-soft: 0 30px 60px rgba(0, 0, 0, 0.8);
    --shadow-gold: 0 0 40px rgba(212, 175, 55, 0.05);

    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;

    --transition-smooth: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 300;
    letter-spacing: 0.5px;
    -webkit-font-smoothing: antialiased;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
    background: var(--text-accent);
    border-radius: 10px;
    border: 2px solid var(--bg-deep);
}

::-webkit-scrollbar-thumb:hover {
    background: #f5e6d3;
}

/* ========== PRECISION GRID & FILM GRAIN ========== */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -5;
    background-color: var(--bg-deep);
    overflow: hidden;
}

/* The Technical Grid */
.technical-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    z-index: -2;
    pointer-events: none;
}

.technical-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1px;
    height: 100vh;
    background: linear-gradient(to bottom, transparent, rgba(212, 175, 55, 0.2), transparent);
    transform: translate(-50%, -50%);
    opacity: 0.5;
}

.grid-marker {
    position: absolute;
    display: flex;
    flex-direction: column;
    font-family: var(--font-body);
    font-size: 0.5rem;
    color: var(--text-accent);
    opacity: 0.2;
    pointer-events: none;
    letter-spacing: 2px;
}

.grid-marker span {
    display: block;
}

/* Vertical Side Text */
.side-branding {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
    font-family: var(--font-body);
    font-size: 0.6rem;
    letter-spacing: 0.4em;
    color: var(--text-secondary);
    text-transform: uppercase;
    z-index: 10;
    pointer-events: none;
    transform-origin: right center;
}

@media (max-width: 1024px) {
    .side-branding {
        display: none;
        /* Hide for tablets and phones to prevent layout clutter */
    }
}

.technical-grid::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(212, 175, 55, 0.08) 0%, transparent 40%);
    z-index: -1;
}

/* Moving Film Grain */
.noise-overlay {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    z-index: 10000;
    opacity: 0.04;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    animation: grainShift 8s steps(10) infinite;
}

.side-branding::before {
    content: '';
    display: inline-block;
    width: 40px;
    height: 1px;
    background: var(--text-accent);
    vertical-align: middle;
    margin-right: 1.5rem;
}

@keyframes grainShift {

    0%,
    100% {
        transform: translate(0, 0);
    }

    10% {
        transform: translate(-5%, -10%);
    }

    20% {
        transform: translate(-15%, 5%);
    }

    30% {
        transform: translate(7%, -25%);
    }

    40% {
        transform: translate(-15%, 15%);
    }

    50% {
        transform: translate(15%, 15%);
    }

    60% {
        transform: translate(5%, -15%);
    }

    70% {
        transform: translate(-25%, 10%);
    }

    80% {
        transform: translate(15%, -5%);
    }

    90% {
        transform: translate(0%, 5%);
    }
}

/* ========== SYSTEM DIAGNOSTICS PRELOADER ========== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-deep);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    overflow: hidden;
}

.loader-content {
    text-align: center;
    position: relative;
}

.loader-logo {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--text-accent);
    letter-spacing: 5px;
    margin-bottom: 2rem;
    position: relative;
}

.loader-line {
    width: 200px;
    height: 1px;
    background: rgba(212, 175, 55, 0.2);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.loader-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--text-accent);
    animation: loaderLine 2s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loaderLine {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

.loader-diagnostics {
    position: absolute;
    bottom: 40px;
    left: 40px;
    text-align: left;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 300px;
    pointer-events: none;
    opacity: 0.6;
    text-transform: uppercase;
}

.diagnostic-line {
    display: block;
    margin-bottom: 4px;
    opacity: 0;
    transform: translateY(10px);
}

.loader-percentage {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-accent);
    margin-top: 1rem;
    letter-spacing: 3px;
    opacity: 0.8;
}

.loader-status {
    position: absolute;
    top: 40px;
    right: 40px;
    font-size: 0.6rem;
    color: var(--text-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.loader-status::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--text-accent);
    border-radius: 50%;
    margin-right: 10px;
    animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.3;
        box-shadow: 0 0 0 rgba(212, 175, 55, 0);
    }

    50% {
        opacity: 1;
        box-shadow: 0 0 10px var(--text-accent);
    }
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s cubic-bezier(0.7, 0, 0.3, 1), visibility 1s;
}

/* ========== PARTICLE CANVAS ========== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
}


/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

h1 {
    font-weight: 700;
    letter-spacing: 1px;
}

h2 {
    font-weight: 600;
    letter-spacing: 0.8px;
}

h3 {
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: all 0.4s ease;
}

#navbar.scrolled {
    background: rgba(5, 7, 10, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 1rem 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: #fff;
    letter-spacing: 2px;
    font-weight: 300;
}

.nav-links {
    display: flex;
    gap: 4rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    font-weight: 500;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-accent);
    transition: width 0.3s ease;
}

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

/* Sections */
section {
    min-height: 100vh;
    padding: 12rem 4rem;
    /* More breathing room */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.section-content {
    max-width: 1200px;
    width: 100%;
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Cinematic Reveal Animations */
.reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

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

/* Hero Section */
#hero {
    min-height: 100vh;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.hero-title {
    font-size: clamp(4rem, 12vw, 10rem);
    color: #fff;
    margin-bottom: 3rem;
    line-height: 0.85;
    letter-spacing: -0.04em;
    font-weight: 300;
    font-family: var(--font-heading);
    opacity: 0;
    transform: translateY(60px);
    animation: luxuryReveal 1.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.8s;
}

@keyframes luxuryReveal {
    0% {
        opacity: 0;
        transform: translateY(60px) skewY(2deg);
        filter: blur(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0) skewY(0);
        filter: blur(0);
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 300;
    line-height: 1.8;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 1s ease forwards;
    animation-delay: 1.8s;
}

/* Silk Glassmorphism Generic */
.interest-block,
.placeholder-text,
.contact-container,
.book-item,
.bio-card {
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(120%);
    -webkit-backdrop-filter: blur(40px) saturate(120%);
    border: 0.5px solid var(--glass-border);
    border-radius: 12px;
    /* Softer base radius */
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.interest-block:hover,
.book-item:hover,
.bio-card:hover {
    background: var(--glass-uprank);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

/* About Section & Generic Layouts */
.section-label {
    display: block;
    text-align: center;
    color: var(--text-accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 6px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.section-title {
    text-align: center;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 6rem;
    color: #fff;
    font-weight: 300;
    letter-spacing: -0.02em;
    font-family: var(--font-heading);
    position: relative;
}

.section-title::after {
    content: '[ SPEC_01 ]';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-body);
    font-size: 0.6rem;
    letter-spacing: 4px;
    color: var(--text-accent);
    opacity: 0.4;
}

/* Global Monochrome Images Filter */
img {
    filter: grayscale(100%) brightness(0.9);
    transition: var(--transition-smooth);
}

img:hover {
    filter: grayscale(0%) brightness(1);
}

/* ========== ABOUT SECTION (Refined) ========== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
}

.about-image-frame {
    width: 100%;
    height: 100%;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    border: 0.5px solid var(--glass-border);
    background: var(--bg-soft);
}

.personal-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) brightness(0.85);
    /* Default monochrome */
    transition: var(--transition-smooth);
}

.about-bio {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.bio-card {
    padding: 3.5rem;
    border-left: 1px solid var(--text-accent);
    border-radius: 24px;
    /* Soft but professional */
}

.bio-intro {
    font-size: 1.8rem;
    font-family: var(--font-heading);
    color: #fff;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.bio-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bio-details li {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.bio-details i {
    color: var(--text-accent);
    font-size: 1rem;
    width: 20px;
}

@media (max-width: 850px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        max-width: 500px;
    }

    .bio-card {
        padding: 2rem;
    }
}

/* ========== SKILLS SECTION ========== */
.skills-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

.category-title {
    font-size: 2rem;
    color: var(--text-accent);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    letter-spacing: 0.8px;
}

.category-title i {
    font-size: 1.5rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ========== MINIMAL SKILLS GRID ========== */
.skills-grid-minimal {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    width: 100%;
}

.skill-group-minimal {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.group-title-minimal {
    font-size: 1.8rem;
    color: var(--text-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    border-left: 2px solid var(--text-accent);
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.01);
    border: 0.5px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 16px;
    /* Modern soft corner */
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    min-width: 160px;
    transition: var(--transition-fast);
}

.skill-tag i {
    font-size: 1rem;
    color: var(--text-accent);
}

.skill-tag span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.skill-tag small {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    background: transparent;
    padding: 0;
}

.skill-tag:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--text-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3), 0 0 15px rgba(255, 215, 0, 0.1);
}

.skill-tag:hover i {
    opacity: 1;
    transform: scale(1.1);
}

@media (max-width: 850px) {
    .skills-grid-minimal {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .skill-tag {
        min-width: calc(50% - 0.6rem);
    }
}

@media (max-width: 480px) {
    .skill-tag {
        min-width: 100%;
    }
}

@media (max-width: 900px) {
    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Interests Grid */
.interests-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.full-width-card {
    grid-column: 1 / -1;
}

.interest-block {
    display: flex;
    flex-direction: column;
    border-radius: 40px;
    /* Even softer for a truly premium, modern feel */
    overflow: hidden;
}

.interest-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--bg-soft);
    border-radius: 40px 40px 0 0;
}

.interest-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.interest-block:hover .interest-image img {
    opacity: 1;
    transform: scale(1.03);
}

.interest-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.interest-icon {
    font-size: 1.2rem;
    color: var(--text-accent);
    margin-bottom: 2rem;
    transition: var(--transition-fast);
}

.interest-title {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    letter-spacing: -0.01em;
    font-family: var(--font-heading);
}

.interest-desc {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.8;
    letter-spacing: 0.5px;
    margin-bottom: 2.5rem;
}

.interest-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-accent);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition-fast);
    margin-top: auto;
}

.interest-link:hover {
    color: #fff;
    transform: translateX(10px);
}

.interest-link i {
    font-size: 0.8rem;
}

.blog-external-link {
    margin-top: 1rem;
}

/* Books */
.glass-list {
    margin-top: 2rem;
}

.book-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.02);
    /* Slightly darker for nested */
    border: none;
}

.book-cover {
    width: 80px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-info h5 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    padding: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.contact-item i {
    color: var(--text-accent);
}

.social-links {
    margin-top: auto;
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: var(--glass-bg);
}

.social-links a:hover {
    background: var(--text-accent);
    color: #000;
    transform: translateY(-5px);
    box-shadow: 0 0 15px var(--text-accent);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-accent);
    background: rgba(0, 0, 0, 0.5);
}

.btn-submit {
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #d4af37, #f7d767);
    color: #000;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.3);
}

/* Footer Copyright */
#footer-copyright {
    padding: 10rem 2rem;
    text-align: center;
    background: var(--bg-deep);
}

.footer-quote {
    font-size: clamp(2rem, 5vw, 4rem);
    font-family: var(--font-heading);
    font-weight: 300;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 4rem;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: -0.02em;
}

.copyright {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #444;
}

/* Mobile Responsive */
@media (max-width: 900px) {
    .contact-container {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .interests-container {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 3rem;
    }

    .footer-quote {
        font-size: 1.4rem;
        /* Slightly smaller for mobile */
        white-space: normal;
        padding: 0 1rem;
    }
}

.menu-toggle {
    display: none;
    color: #fff;
    background: none;
    border: none;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    #navbar {
        padding: 1rem 1.5rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(5, 7, 10, 0.98);
        backdrop-filter: blur(30px) saturate(200%);
        -webkit-backdrop-filter: blur(30px) saturate(200%);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1001;
    }

    .menu-toggle {
        display: block;
        z-index: 1002;
        cursor: pointer;
    }

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

    .nav-links a {
        font-size: 1.5rem;
        letter-spacing: 3px;
    }

    section {
        padding: 8rem 1.5rem;
    }

    .section-title {
        font-size: 2.5rem;
        margin-bottom: 2.5rem;
    }

    .hero-title {
        font-size: clamp(3rem, 15vw, 5rem);
        letter-spacing: -1px;
    }

    .skills-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .interests-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 2.5rem 1.5rem;
    }

    .contact-info {
        text-align: center;
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* ========== PROGRESS BAR ========== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, #ffd700, #f7d767, #ffd700);
    background-size: 200% 100%;
    animation: progress-shimmer 3s ease infinite;
    z-index: 9999;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    transition: width 0.1s linear;
}

@keyframes progress-shimmer {

    0%,
    100% {
        background-position: 0% 50%;
    }

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

/* ========== SCROLL INDICATOR ========== */
.scroll-indicator {
    position: absolute;
    bottom: 4rem;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-bounce 2.5s ease-in-out infinite;
    cursor: pointer;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--text-accent);
    filter: drop-shadow(0 0 8px var(--text-accent-glow));
}

@keyframes scroll-bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    40% {
        transform: translateX(-50%) translateY(-15px);
        opacity: 0.7;
    }

    60% {
        transform: translateX(-50%) translateY(-8px);
        opacity: 0.85;
    }
}

/* ========== ENHANCED FORM INPUTS ========== */
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-accent);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

/* ========== INTEREST TAGS ========== */
.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.interest-tag {
    padding: 0.5rem 1.2rem;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-accent);
    transition: all 0.3s ease;
}

.interest-tag:hover {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.2);
}

/* ========== PLACEHOLDER TEXT ENHANCEMENT ========== */
.placeholder-text:hover {
    transform: translateX(5px);
    border-left-width: 5px;
}

/* ========== BOOKS LIST ========== */
.books-list {
    margin-top: 2rem;
}

.book-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
}

.book-cover {
    width: 80px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    transition: transform 0.3s ease;
}

.book-item:hover .book-cover {
    transform: scale(1.05) rotate(-2deg);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-info h5 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.book-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ========== MOOD SWITCHER WIDGET ========== */
.mood-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

.mood-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--text-accent);
    color: var(--text-accent);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
    transition: all 0.3s ease;
}

.mood-toggle:hover {
    transform: rotate(180deg) scale(1.1);
    background: var(--text-accent);
    color: #000;
}

.mood-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.mood-widget.active .mood-options {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.mood-option {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(20, 20, 20, 0.8);
    padding: 8px 15px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: 0.2s;
    white-space: nowrap;
}

.mood-option:hover {
    background: var(--text-accent);
    color: #000;
    transform: translateX(-5px);
}

.mood-option.active {
    border-color: var(--text-accent);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.mood-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    font-family: var(--font-body);
}

/* THEME: ENERGY (Neon Purple/Cyan) */
body.theme-energy {
    --bg-deep: #0b0014;
    --text-accent: #00f3ff;
    /* Cyan */
    --text-accent-glow: rgba(0, 243, 255, 0.4);
    --glass-bg: rgba(0, 243, 255, 0.05);
    --bg-overlay: rgba(11, 0, 20, 0.9);
}

/* THEME: DEEP (Minimalist Paper) */
body.theme-deep {
    --bg-deep: #f4efe8;
    /* Old paper */
    --bg-overlay: rgba(244, 239, 232, 0.95);
    --text-primary: #2c241b;
    /* Dark Brown */
    --text-secondary: #5d4e3f;
    --text-accent: #8b4513;
    /* Saddle Brown */
    --text-accent-glow: rgba(139, 69, 19, 0.2);
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.1);
}

/* Adjustments for Deep Theme specific elements */
body.theme-deep .space-background {
    background: #f4efe8;
    background-image: none;
    /* Remove stars */
}

/* ========== PERSONA SWITCHER ========== */
.persona-switch-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 1rem;
    margin-right: auto;
}

.switch-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-primary);
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: #ff0055;
    box-shadow: 0 0 10px rgba(255, 0, 85, 0.5);
    border-color: #ff0055;
}

input:checked+.slider:before {
    transform: translateX(20px);
    background-color: #fff;
}

/* MAD PERSONA STYLES */
body.mode-crazy {
    --text-accent: #ff0055;
    /* Hot Pink */
    --font-heading: 'Patrick Hand', cursive;
    --font-body: 'Patrick Hand', cursive;
}

body.mode-crazy .hero-title {
    font-size: 4.5rem;
    /* Bigger for crazy font */
    transform: rotate(-1deg);
}

body.mode-crazy .highlight {
    background: linear-gradient(120deg, #ff0055 0%, #ffcc00 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    display: inline-block;
    animation: shake 0.5s infinite alternate;
}

@keyframes shake {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(2deg);
    }
}

@media (max-width: 768px) {
    #navbar {
        padding: 0.7rem 1.5rem;
        justify-content: space-between;
        height: 70px;
    }

    .logo {
        font-size: 1.2rem;
        font-weight: 700;
        max-width: 50%;
    }

    .persona-switch-container {
        margin: 0 auto 0 1rem;
        gap: 0;
    }

    .switch-label {
        display: none !important;
    }

    .switch {
        transform: scale(0.8);
    }

    /* Fix Grid performance on mobile */
    .technical-grid {
        background-size: 60px 60px;
        /* Larger grid for less lines */
        opacity: 0.5;
    }

    .technical-grid::after {
        display: none;
        /* Disable mouse glow on touch devices */
    }

    /* Grain is expensive on mobile GPUs */
    .noise-overlay {
        animation: none;
        opacity: 0.02;
    }

    /* Typography fixes */
    body {
        font-size: 15px;
        line-height: 1.6;
    }

    h1,
    h2,
    h3 {
        word-break: break-word;
        /* Prevent overflow */
        hyphens: auto;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
        line-height: 1.1;
        margin-bottom: 1.5rem;
        letter-spacing: -1px;
    }

    .section-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(8, 8, 8, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        z-index: 1001;
        transition: right 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    .nav-links li a {
        font-size: 1.5rem;
        font-weight: 500;
    }

    .menu-toggle {
        display: block;
        font-size: 1.3rem;
        z-index: 1002;
    }

    /* Adjust padding to avoid clipping */
    section {
        padding: 5rem 1.2rem !important;
    }
}

/* Optimization for low-power devices */
@media (prefers-reduced-motion: reduce) {

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