/* ================================================================
   VARUNPRAKASH.COM — DataCenter & Cloud Design System
   Datacenter-inspired, animation-driven portfolio
   ================================================================ */

/* ----------------------------------------------------------------
   CSS Variables & Design Tokens
   ---------------------------------------------------------------- */
:root {
    /* Colors — DataCenter & Cloud Palette */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1428;
    --bg-card: rgba(14, 165, 233, 0.03);
    --bg-glass: rgba(14, 165, 233, 0.05);

    --text-primary: #e2e8f0;
    --text-secondary: rgba(226, 232, 240, 0.6);
    --text-muted: rgba(226, 232, 240, 0.35);

    --accent: #0ea5e9;
    --accent-light: #38bdf8;
    --accent-glow: rgba(14, 165, 233, 0.3);
    --accent-secondary: #22d3ee;
    --accent-warm: #10b981;

    --gradient-1: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 100%);
    --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);
    --gradient-text: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 50%, #10b981 100%);

    --glass-border: rgba(14, 165, 233, 0.1);
    --glass-bg: rgba(14, 165, 233, 0.04);

    /* DataCenter Status Colors */
    --status-online: #10b981;
    --status-warning: #f59e0b;
    --status-processing: #0ea5e9;

    /* Typography */
    --font-display: 'Exo 2', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    --transition-fast: 0.3s var(--ease-out-expo);
    --transition-medium: 0.6s var(--ease-out-expo);
    --transition-slow: 1s var(--ease-out-expo);

    /* Layout */
    --max-width: 1400px;
    --nav-height: 80px;
    --border-radius: 16px;
}

/* ----------------------------------------------------------------
   Reset & Base
   ---------------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-primary);
}

html::-webkit-scrollbar {
    width: 6px;
}
html::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
html::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    /* DataCenter grid background */
    background-image:
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

@media (max-width: 768px) {
    body { cursor: auto; }
}

a {
    color: inherit;
    text-decoration: none;
    cursor: none;
}

@media (max-width: 768px) {
    a { cursor: pointer; }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol { list-style: none; }

.accent { color: var(--accent); }

/* Selection */
::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

/* ----------------------------------------------------------------
   Custom Cursor
   ---------------------------------------------------------------- */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s;
    mix-blend-mode: difference;
}

.cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(14, 165, 233, 0.5);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    transition: width 0.4s var(--ease-out-expo), height 0.4s var(--ease-out-expo), border-color 0.3s;
}

body:hover .cursor { opacity: 1; }
body:hover .cursor-follower { opacity: 1; }

.cursor.hovering {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.15);
    mix-blend-mode: normal;
}

.cursor-follower.hovering {
    width: 80px;
    height: 80px;
    border-color: var(--accent);
}

@media (max-width: 768px) {
    .cursor, .cursor-follower { display: none !important; }
}

/* ----------------------------------------------------------------
   Preloader
   ---------------------------------------------------------------- */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: preloaderFallbackHide 0.6s ease-in forwards;
    animation-delay: 4s;
}

@keyframes preloaderFallbackHide {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-100%); pointer-events: none; visibility: hidden; }
}

.preloader-inner {
    text-align: center;
    position: relative;
}

.preloader-text {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

.preloader-line {
    position: absolute;
    bottom: -20px;
    left: 0;
    height: 3px;
    background: var(--gradient-1);
    border-radius: 2px;
    animation: preloaderLine 2s var(--ease-out-expo) forwards;
}

@keyframes preloaderPulse {
    0%, 100% { opacity: 0.4; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1); }
}

@keyframes preloaderLine {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ----------------------------------------------------------------
   Scroll Progress
   ---------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-1);
    z-index: 10000;
    transform-origin: left;
    transform: scaleX(0);
    will-change: transform;
}

/* ----------------------------------------------------------------
   Navigation
   ---------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1.5rem, 4vw, 4rem);
    z-index: 1000;
    transition: background var(--transition-fast), backdrop-filter var(--transition-fast);
}

.nav.scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav__logo { z-index: 1001; }

.nav__logo-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav__menu {
    display: flex;
}

.nav__list {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav__link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    opacity: 0;
    transform: translateY(-5px);
    transition: all var(--transition-fast);
}

.nav__link:hover .nav__link-number,
.nav__link.active .nav__link-number {
    opacity: 1;
    transform: translateY(0);
}

.nav__link:hover,
.nav__link.active {
    color: var(--text-primary);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* Burger Menu */
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
}

.nav__burger span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
    transform-origin: center;
}

.nav__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav__burger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    opacity: 0;
    transform: translateY(30px);
}

.mobile-menu.active .mobile-menu__link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu__link:hover {
    color: var(--accent);
}

.mobile-menu__socials {
    display: flex;
    gap: var(--space-md);
}

.mobile-menu__socials a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-fast);
}

.mobile-menu__socials a:hover {
    color: var(--accent);
}

@media (max-width: 768px) {
    .nav__menu { display: none; }
    .nav__burger { display: flex; }
}

/* ----------------------------------------------------------------
   Section Label
   ---------------------------------------------------------------- */
.section-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.section-label__number {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.1em;
}

.section-label__text {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.section-label__line {
    flex: 1;
    height: 1px;
    background: var(--glass-border);
    max-width: 200px;
}

/* ----------------------------------------------------------------
   Line Reveal Animation Helper
   ---------------------------------------------------------------- */
.line-reveal {
    display: block;
    overflow: hidden;
}

/* ----------------------------------------------------------------
   HERO SECTION
   ---------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-xl) clamp(1.5rem, 4vw, 4rem);
    overflow: hidden;
}

/* DataCenter ambient radial glow */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 40%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(34, 211, 238, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

#particleCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero__greeting {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    opacity: 0;
}

.hero__line {
    width: 60px;
    height: 2px;
    background: var(--accent);
}

.hero__label {
    font-family: var(--font-mono);
    font-size: clamp(0.75rem, 1.2vw, 0.9rem);
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 10vw, 9rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}

.hero__title-line {
    display: block;
    overflow: hidden;
}

.hero__title-word {
    display: inline-block;
    transform: translateY(110%);
}

.hero__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 550px;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
    line-height: 1.8;
}

.hero__subtitle strong {
    color: var(--accent-light);
    font-weight: 600;
}

.hero__status {
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(20px);
}

.hero__cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 100px;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn--primary {
    background: var(--accent);
    color: white;
}

.btn--primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--accent-glow);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Hero Socials */
.hero__socials {
    position: absolute;
    right: clamp(1.5rem, 4vw, 4rem);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    z-index: 1;
}

.hero__socials a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    writing-mode: vertical-lr;
    transition: color var(--transition-fast);
    position: relative;
}

.hero__socials a:hover {
    color: var(--accent);
}

.hero__socials a::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 0;
    width: 2px;
    height: 0;
    background: var(--accent);
    transition: height var(--transition-fast);
}

.hero__socials a:hover::before {
    height: 100%;
}

/* ----------------------------------------------------------------
   SERVER RACK (Hero Decoration)
   ---------------------------------------------------------------- */
.hero__server-rack {
    position: absolute;
    right: clamp(6rem, 12vw, 14rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    opacity: 0.2;
    pointer-events: none;
}

.server-rack {
    perspective: 800px;
}

.server-rack__frame {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 12px;
    background: rgba(14, 165, 233, 0.03);
    border: 1px solid rgba(14, 165, 233, 0.1);
    border-radius: 8px;
    width: 220px;
    transform: rotateY(-8deg) rotateX(2deg);
}

.server-rack__unit {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: rgba(14, 165, 233, 0.04);
    border: 1px solid rgba(14, 165, 233, 0.08);
    border-radius: 4px;
}

.server-rack__led {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.server-rack__led--green {
    background: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
    animation: ledBlink 3s ease-in-out infinite;
}

.server-rack__led--blue {
    background: #0ea5e9;
    box-shadow: 0 0 6px rgba(14, 165, 233, 0.6);
    animation: ledBlink 2.5s ease-in-out infinite 0.5s;
}

.server-rack__led--amber {
    background: #f59e0b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.6);
    animation: ledBlink 4s ease-in-out infinite 1s;
}

@keyframes ledBlink {
    0%, 90%, 100% { opacity: 1; }
    95% { opacity: 0.3; }
}

.server-rack__slots {
    display: flex;
    gap: 3px;
    margin-left: auto;
}

.server-rack__slots span {
    width: 16px;
    height: 4px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 1px;
}

@media (max-width: 1200px) {
    .hero__server-rack { display: none; }
}

/* Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: clamp(1.5rem, 4vw, 4rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1;
    opacity: 0;
}

.hero__scroll span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    writing-mode: vertical-lr;
}

.hero__scroll-line {
    width: 1px;
    height: 60px;
    background: var(--glass-border);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: scrollLine 2s var(--ease-in-out) infinite;
}

@keyframes scrollLine {
    0% { top: -100%; }
    50% { top: 100%; }
    100% { top: 100%; }
}

@media (max-width: 768px) {
    .hero__socials { display: none; }
    .hero { padding: var(--space-lg) var(--space-sm); }
    .hero__scroll { display: none; }
}

/* ----------------------------------------------------------------
   ABOUT SECTION
   ---------------------------------------------------------------- */
.about {
    padding: var(--space-2xl) clamp(1.5rem, 4vw, 4rem);
    position: relative;
    overflow: hidden;
}

.about__wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-xl);
    align-items: start;
}

.about__image-col {
    position: relative;
}

.about__image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/5;
}

.about__image-reveal {
    position: absolute;
    inset: 0;
    background: var(--bg-primary);
    z-index: 2;
    transform-origin: top;
}

.about__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.2);
    transition: transform 1.5s var(--ease-out-expo);
}

.about__image-wrapper:hover .about__image {
    transform: scale(1.05);
}

.about__floating-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 3;
}

.about__floating-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.about__floating-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.about__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.about__text {
    margin-bottom: var(--space-lg);
}

.about__text p {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ----------------------------------------------------------------
   CLOUD SERVICES DASHBOARD (About Section)
   ---------------------------------------------------------------- */
.cloud-services {
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.cloud-services__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(14, 165, 233, 0.12);
}

.cloud-services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.cloud-service {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0.75rem;
    background: rgba(14, 165, 233, 0.12);
    border: 1px solid rgba(14, 165, 233, 0.3);
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
}

.cloud-service:hover {
    border-color: var(--accent);
    background: rgba(14, 165, 233, 0.2);
    transform: translateY(-2px);
}

.cloud-service__icon {
    color: var(--accent-light);
    opacity: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cloud-service__icon svg {
    width: 32px;
    height: 32px;
}

.cloud-service__name {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}

.cloud-service__status {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    position: absolute;
    top: 8px;
    right: 8px;
}

.cloud-service__status--online {
    background: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
    animation: statusPulse 2s ease-in-out infinite;
}

@media (max-width: 600px) {
    .cloud-services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 380px) {
    .cloud-services__grid {
        grid-template-columns: 1fr;
    }
}

/* Skill Grid (replaces orbit) */
.skill-grid {
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: var(--border-radius);
    padding: var(--space-md);
}

.skill-grid__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(14, 165, 233, 0.1);
}

.skill-grid__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    padding: 0.45rem 1rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: 4px;
    transition: all var(--transition-fast);
    letter-spacing: 0.05em;
}

.skill-tag--primary {
    color: var(--accent-light);
    border-color: var(--accent);
    background: rgba(14, 165, 233, 0.15);
    font-weight: 600;
}

.skill-tag:hover {
    border-color: var(--accent-light);
    color: #fff;
    background: rgba(14, 165, 233, 0.22);
    transform: translateY(-1px);
}

/* Stats Marquee */
.stats-marquee {
    margin-top: var(--space-xl);
    overflow: hidden;
    padding: var(--space-md) 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.stats-marquee__track {
    display: flex;
    width: max-content;
}

.stats-marquee__content {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    animation: marqueeScroll 25s linear infinite;
    padding-right: var(--space-lg);
}

.stat {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    white-space: nowrap;
}

.stat__number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
}

.stat__suffix {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2vw, 2rem);
    color: var(--accent);
}

.stat__label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    color: var(--accent);
    opacity: 0.3;
    font-size: 0.6rem;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@media (max-width: 900px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .about__image-wrapper {
        max-width: 400px;
    }

    .about__floating-card {
        bottom: -20px;
        right: 0;
    }

}

/* ----------------------------------------------------------------
   INFRASTRUCTURE DASHBOARD
   ---------------------------------------------------------------- */
.infra-dashboard {
    padding: var(--space-lg) clamp(1.5rem, 4vw, 4rem);
    position: relative;
}

.infra-dashboard__wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
}

.infra-dashboard__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.infra-dashboard__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.infra-dashboard__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.infra-card {
    background: rgba(14, 165, 233, 0.03);
    border: 1px solid rgba(14, 165, 233, 0.08);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.infra-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.infra-card:hover {
    border-color: rgba(14, 165, 233, 0.2);
    background: rgba(14, 165, 233, 0.06);
    transform: translateY(-4px);
}

.infra-card:hover::before {
    opacity: 1;
}

.infra-card__icon {
    color: var(--accent);
    opacity: 0.6;
    margin-bottom: 0.25rem;
}

.infra-card__value {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.infra-card__label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.infra-card__status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

.infra-card__led {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.infra-card__led--green {
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    animation: statusPulse 2s ease-in-out infinite;
}

.infra-card__led--blue {
    background: #0ea5e9;
    box-shadow: 0 0 8px rgba(14, 165, 233, 0.5);
    animation: statusPulse 2s ease-in-out infinite 0.5s;
}

@media (max-width: 900px) {
    .infra-dashboard__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .infra-dashboard__grid {
        grid-template-columns: 1fr;
    }
}

/* ----------------------------------------------------------------
   EXPERIENCE SECTION
   ---------------------------------------------------------------- */
.experience {
    padding: var(--space-2xl) clamp(1.5rem, 4vw, 4rem);
    background: var(--bg-secondary);
    position: relative;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.experience__wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
}

.experience__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.experience__heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline__line {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--glass-border);
}

.timeline__line-fill {
    width: 100%;
    height: 0;
    background: var(--gradient-1);
    transition: height 0.3s linear;
}

.timeline__item {
    position: relative;
    margin-bottom: var(--space-md);
}

.timeline__dot {
    position: absolute;
    left: -46px;
    top: 24px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--bg-secondary);
    z-index: 1;
    transition: all var(--transition-fast);
}

.timeline__item:hover .timeline__dot {
    background: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: scale(1.3);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    transition: all var(--transition-fast);
}

.glass-card:hover {
    background: rgba(14, 165, 233, 0.06);
    border-color: rgba(14, 165, 233, 0.2);
    transform: translateX(8px);
}

/* Timeline Server LEDs */
.timeline__leds {
    display: flex;
    gap: 5px;
    margin-bottom: 0.5rem;
}

.timeline__led {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.timeline__led--green {
    background: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
    animation: ledBlink 3s ease-in-out infinite;
}

.timeline__led--blue {
    background: #0ea5e9;
    box-shadow: 0 0 6px rgba(14, 165, 233, 0.5);
    animation: ledBlink 2.5s ease-in-out infinite 0.3s;
}

.timeline__led--amber {
    background: #f59e0b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
    animation: ledBlink 4s ease-in-out infinite 0.7s;
}

.timeline__date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.5rem;
}

.timeline__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.timeline__company {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 0.75rem;
}

.timeline__location {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.timeline__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

@media (max-width: 900px) {
    .experience__container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* ----------------------------------------------------------------
   WORKS SECTION — Bento Grid
   ---------------------------------------------------------------- */
.works {
    padding: var(--space-2xl) clamp(1.5rem, 4vw, 4rem);
    position: relative;
}

.works__wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
}

.works__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5vw, 5rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: var(--space-xl);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    gap: var(--space-sm);
}

.bento-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: flex-end;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-medium);
    cursor: none;
}

@media (max-width: 768px) {
    .bento-card { cursor: pointer; }
}

.bento-card--wide {
    grid-column: span 2;
}

.bento-card--tall {
    grid-row: span 2;
    min-height: 640px;
}

.bento-card--accent {
    border-color: rgba(14, 165, 233, 0.2);
}

.bento-card__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.bento-card__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s var(--ease-out-expo);
    filter: brightness(0.4) saturate(0.7);
}

.bento-card:hover .bento-card__bg img {
    transform: scale(1.08);
    filter: brightness(0.55) saturate(1);
}

.bento-card__content {
    position: relative;
    z-index: 1;
    padding: var(--space-md);
    width: 100%;
    background: linear-gradient(0deg, rgba(10, 14, 26, 0.95) 0%, transparent 100%);
}

.bento-card__tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    padding: 0.3rem 0.8rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 4px;
}

.bento-card__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.bento-card__desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.6;
}

.bento-card__arrow {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    transform: translate(-10px, 10px);
    opacity: 0;
}

.bento-card:hover .bento-card__arrow {
    transform: translate(0, 0);
    opacity: 1;
    background: var(--accent);
    border-color: var(--accent);
}

.bento-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-card--wide,
    .bento-card--tall {
        grid-column: span 1;
        grid-row: span 1;
        min-height: 280px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-card--tall {
        min-height: 400px;
    }
}

/* ----------------------------------------------------------------
   CONTACT SECTION
   ---------------------------------------------------------------- */
.contact {
    padding: var(--space-2xl) clamp(1.5rem, 4vw, 4rem);
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.contact__wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
}

.contact__content {
    max-width: 800px;
}

.contact__title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: var(--space-md);
}

.contact__text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
    max-width: 600px;
}

.contact__email {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    margin-bottom: var(--space-xl);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.contact__email::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
    border-radius: inherit;
}

.contact__email:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 15px 50px var(--accent-glow);
}

.contact__email:hover::before {
    opacity: 0.1;
}

.contact__email-text {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.contact__email-icon {
    position: relative;
    z-index: 1;
    color: var(--accent);
    transition: transform var(--transition-fast);
}

.contact__email:hover .contact__email-icon {
    transform: translate(5px, -5px);
}

.contact__socials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.contact__social {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.contact__social::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    transform: translateY(100%);
    transition: transform var(--transition-fast);
    border-radius: inherit;
}

.contact__social span {
    position: relative;
    z-index: 1;
}

.contact__social:hover {
    border-color: var(--accent);
    color: white;
}

.contact__social:hover::before {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .contact__email {
        padding: var(--space-sm) var(--space-md);
    }
}

/* ----------------------------------------------------------------
   FOOTER
   ---------------------------------------------------------------- */
.footer {
    padding: var(--space-md) clamp(1.5rem, 4vw, 4rem);
    border-top: 1px solid var(--glass-border);
}

.footer__wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer__copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer__top {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer__top:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
}

/* ----------------------------------------------------------------
   MAGNETIC BUTTON EFFECT (enhanced via JS)
   ---------------------------------------------------------------- */
.magnetic {
    position: relative;
    transition: transform 0.3s var(--ease-out-expo);
}

/* ----------------------------------------------------------------
   GLOBAL ANIMATIONS
   ---------------------------------------------------------------- */

/* Noise overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.25;
}

/* DataCenter scanline effect */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(14, 165, 233, 0.008) 2px,
        rgba(14, 165, 233, 0.008) 4px
    );
    pointer-events: none;
    z-index: 9998;
}

/* Glow effects — datacenter ambient light */
.about::after {
    content: '';
    position: absolute;
    top: -300px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.4;
}

.contact::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

/* DataCenter status indicator animation */
@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--status-online);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.status-indicator__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--status-online);
    box-shadow: 0 0 12px var(--status-online);
    animation: statusPulse 2s ease-in-out infinite;
}

/* DataCenter terminal-style label */
.terminal-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-secondary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    background: rgba(14, 165, 233, 0.06);
    border: 1px solid rgba(14, 165, 233, 0.15);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-label::before {
    content: '>';
    color: var(--accent);
    font-weight: 700;
}

/* ----------------------------------------------------------------
   RESPONSIVE TYPOGRAPHY
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --space-xl: 6rem;
        --space-2xl: 8rem;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 4rem;
        --space-2xl: 5rem;
    }

    .hero__title {
        font-size: 3rem;
    }

    .about__title {
        font-size: 2rem;
    }

    .works__title {
        font-size: 2.5rem;
    }

    .contact__title {
        font-size: 2.5rem;
    }

    .contact__email {
        flex-direction: column;
        text-align: center;
    }

    .contact__socials {
        justify-content: center;
    }

    .footer__wrapper {
        justify-content: center;
        text-align: center;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .stats-marquee__content {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}