/* RAMKUMAR — Portfolio: Design System & Animations */

/* ===== CSS VARIABLES ===== */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2235;
    --bg-card: rgba(17, 24, 39, 0.7);
    --glass-bg: rgba(17, 24, 39, 0.6);
    --glass-border: rgba(0, 229, 255, 0.08);
    --glass-blur: 20px;
    --accent-cyan: #00e5ff;
    --accent-teal: #00bfa5;
    --accent-orange: #ff6d3a;
    --accent-purple: #a855f7;
    --accent-green: #22c55e;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(0, 229, 255, 0.1);
    --border-glow: rgba(0, 229, 255, 0.3);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --section-padding: 120px 0;
    --container-width: 1200px;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(0, 229, 255, 0.3);
    color: #fff;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== AMBIENT ORBS ===== */
.ambient-orb {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(120px);
    opacity: 0.12;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-cyan);
    top: -200px;
    right: -200px;
    animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    bottom: -150px;
    left: -150px;
    animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-teal);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbFloat3 18s ease-in-out infinite;
}

@keyframes orbFloat1 {

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

    50% {
        transform: translate(-80px, 60px);
    }
}

@keyframes orbFloat2 {

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

    50% {
        transform: translate(60px, -80px);
    }
}

@keyframes orbFloat3 {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-40%, -60%) scale(1.15);
    }
}

/* ===== KEYFRAMES ===== */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideLeft {
    from {
        opacity: 0;
        transform: translateX(-80px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeSlideRight {
    from {
        opacity: 0;
        transform: translateX(80px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-14px);
    }
}

@keyframes float2 {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes terminalBlink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(0, 229, 255, 0.1);
    }

    50% {
        box-shadow: 0 0 40px rgba(0, 229, 255, 0.3);
    }
}

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

    100% {
        left: 200%;
    }
}

@keyframes pulseRing {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }

    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

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

    100% {
        transform: rotate(360deg);
    }
}

@keyframes scrollWheel {
    0% {
        transform: translateY(0);
        opacity: 1;
    }

    100% {
        transform: translateY(12px);
        opacity: 0;
    }
}

@keyframes skillBarFill {
    from {
        width: 0;
    }
}

@keyframes statusPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

@keyframes borderRotate {
    0% {
        --angle: 0deg;
    }

    100% {
        --angle: 360deg;
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: 0.4;
    }

    90% {
        opacity: 0.4;
    }

    100% {
        transform: translateY(-100vh) translateX(40px);
        opacity: 0;
    }
}

@keyframes glitchText {

    0%,
    100% {
        text-shadow: 2px 0 var(--accent-cyan), -2px 0 var(--accent-purple);
    }

    25% {
        text-shadow: -2px -1px var(--accent-cyan), 2px 1px var(--accent-purple);
    }

    50% {
        text-shadow: 1px 2px var(--accent-cyan), -1px -2px var(--accent-purple);
    }

    75% {
        text-shadow: -1px 1px var(--accent-cyan), 1px -1px var(--accent-purple);
    }
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(80px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal-scale.is-visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.skill-category:nth-child(2) {
    transition-delay: 0.08s;
}

.skill-category:nth-child(3) {
    transition-delay: 0.16s;
}

.skill-category:nth-child(4) {
    transition-delay: 0.24s;
}

.skill-category:nth-child(5) {
    transition-delay: 0.32s;
}

.skill-category:nth-child(6) {
    transition-delay: 0.4s;
}

.cert-card:nth-child(2) {
    transition-delay: 0.1s;
}

.cert-card:nth-child(3) {
    transition-delay: 0.2s;
}

.cert-card:nth-child(4) {
    transition-delay: 0.3s;
}

.project-card:nth-child(2) {
    transition-delay: 0.1s;
}

.project-card:nth-child(3) {
    transition-delay: 0.2s;
}

.project-card:nth-child(4) {
    transition-delay: 0.3s;
}

/* ===== HERO ENTRANCE ANIMATIONS ===== */
.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeSlideUp 0.9s ease-out forwards;
}

.anim-fade-down {
    opacity: 0;
    transform: translateY(-30px);
    animation: fadeSlideDown 0.8s ease-out forwards;
}

.anim-delay-1 {
    animation-delay: 0.3s;
}

.anim-delay-2 {
    animation-delay: 0.6s;
}

.anim-delay-3 {
    animation-delay: 0.9s;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-bracket {
    color: var(--accent-cyan);
}

.logo-highlight {
    color: var(--accent-cyan);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.05);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 40%;
}

.nav-link-cta {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(0, 191, 165, 0.1));
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 24px 60px;
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    transition: transform 0.3s ease-out;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    animation: particleFloat linear infinite;
    pointer-events: none;
}

/* Floating Shapes */
.hero-floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border: 1px solid rgba(0, 229, 255, 0.1);
    border-radius: 8px;
}

.shape-1 {
    width: 60px;
    height: 60px;
    top: 15%;
    left: 8%;
    animation: float 6s ease-in-out infinite, rotateShape 20s linear infinite;
    border-color: rgba(0, 229, 255, 0.12);
}

.shape-2 {
    width: 40px;
    height: 40px;
    top: 25%;
    right: 12%;
    border-radius: 50%;
    animation: float2 8s ease-in-out infinite;
    background: rgba(168, 85, 247, 0.05);
    border-color: rgba(168, 85, 247, 0.15);
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 15%;
    animation: float 10s ease-in-out infinite 1s, rotateShape 30s linear infinite reverse;
    border-color: rgba(0, 191, 165, 0.1);
}

.shape-4 {
    width: 30px;
    height: 30px;
    top: 60%;
    right: 8%;
    border-radius: 50%;
    animation: float2 7s ease-in-out infinite 2s;
    border-color: rgba(255, 109, 58, 0.15);
}

.shape-5 {
    width: 50px;
    height: 50px;
    bottom: 30%;
    right: 20%;
    animation: float 9s ease-in-out infinite 0.5s, rotateShape 25s linear infinite;
    border-color: rgba(0, 229, 255, 0.08);
}

.shape-6 {
    width: 35px;
    height: 35px;
    top: 40%;
    left: 25%;
    border-radius: 50%;
    animation: float2 6s ease-in-out infinite 3s;
    background: rgba(0, 229, 255, 0.03);
    border-color: rgba(0, 229, 255, 0.1);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--accent-green);
    margin-bottom: 28px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: statusPulse 2s ease-in-out infinite;
}

/* Terminal */
.hero-terminal {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
    margin-bottom: 32px;
    text-align: left;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red {
    background: #ff5f57;
}

.terminal-dot.yellow {
    background: #febc2e;
}

.terminal-dot.green {
    background: #28c840;
}

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-actions {
    display: flex;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.terminal-body {
    padding: 24px 24px 32px;
}

.terminal-line {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.terminal-output {
    margin-top: 16px;
    margin-bottom: 4px;
}

.terminal-result {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-green);
    padding-left: 20px;
}

.terminal-prompt {
    color: var(--accent-green);
    margin-right: 8px;
    font-family: var(--font-mono);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero-greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-name {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-name:hover {
    animation: glitchText 0.3s ease-in-out;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: var(--accent-cyan);
}

.typing-cursor {
    animation: terminalBlink 0.7s infinite;
    color: var(--accent-cyan);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto 36px;
    text-align: center;
}

.hero-description strong {
    color: var(--accent-cyan);
    font-weight: 600;
}

/* CTA Buttons */
.hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.4);
    color: var(--bg-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 1.5px solid var(--border-glow);
}

.btn-secondary:hover {
    background: rgba(0, 229, 255, 0.08);
    transform: translateY(-3px);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.btn-glow {
    position: relative;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 20px 12px;
    border-radius: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.stat-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 229, 255, 0.08);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-plus,
.stat-percent {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: float 2.5s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 4px;
    animation: scrollWheel 2s ease-in-out infinite;
}

/* ===== SECTION DIVIDERS ===== */
.section-divider {
    line-height: 0;
    position: relative;
    z-index: 1;
    margin-top: -1px;
}

.section-divider svg {
    display: block;
    width: 100%;
    height: 60px;
}

.section-divider.flip {
    transform: scaleY(-1);
}

/* ===== SECTION COMMON ===== */
.section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    opacity: 0.6;
}

.closing-tag {
    display: block;
    text-align: center;
    margin-top: 64px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    margin: 0 auto;
    border-radius: 4px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: 16px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== ABOUT ===== */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    align-items: center;
}

.about-image-col {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    width: 100%;
    max-width: 360px;
    aspect-ratio: 3/4;
    border: 2px solid rgba(0, 229, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.image-border-glow {
    position: absolute;
    inset: -3px;
    border-radius: 22px;
    z-index: 0;
    background: conic-gradient(from 0deg, var(--accent-cyan), var(--accent-purple), var(--accent-teal), var(--accent-cyan));
    animation: rotateShape 8s linear infinite;
    opacity: 0.4;
    filter: blur(8px);
}

.profile-photo {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.image-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 14, 23, 0.8));
    pointer-events: none;
}

/* Floating Badges */
.about-floating-badges {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    pointer-events: auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.float-badge-1 {
    top: 10%;
    right: -20%;
    animation: float 4s ease-in-out infinite;
}

.float-badge-2 {
    bottom: 30%;
    right: -25%;
    animation: float2 5s ease-in-out infinite 1s;
}

.float-badge-3 {
    bottom: 10%;
    left: -10%;
    animation: float 6s ease-in-out infinite 0.5s;
}

.about-content .about-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 20px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--accent-green);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: statusPulse 2s ease-in-out infinite;
}

.about-subtitle {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    margin-bottom: 20px;
    line-height: 1.4;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 28px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.info-item:hover {
    border-color: var(--border-glow);
    transform: translateX(6px);
}

.info-icon {
    font-size: 1.5rem;
}

.info-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* ===== SKILLS ===== */
.skills {
    background: var(--bg-secondary);
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-category-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.03) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.skill-category:hover .skill-category-glow {
    opacity: 1;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal), var(--accent-purple));
    opacity: 0;
    transition: var(--transition-smooth);
}

.skill-category:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.08);
}

.skill-category:hover::before {
    opacity: 1;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.category-icon {
    font-size: 1.6rem;
}

.category-header h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Skill Bars */
.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.skill-bar-item {}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.82rem;
}

.skill-bar-header span:first-child {
    color: var(--text-secondary);
}

.skill-percent {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-weight: 500;
}

.skill-bar-track {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: 0;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.skill-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    filter: blur(4px);
}

.skill-bar-fill.cyan {
    background: linear-gradient(90deg, #00bcd4, #00e5ff);
}

.skill-bar-fill.purple {
    background: linear-gradient(90deg, #7c3aed, #a855f7);
}

.skill-bar-fill.orange {
    background: linear-gradient(90deg, #ea580c, #ff6d3a);
}

.skill-bar-fill.green {
    background: linear-gradient(90deg, #16a34a, #22c55e);
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline-track {
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--border-color);
    border-radius: 4px;
}

.timeline-progress {
    width: 100%;
    height: 0%;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-teal));
    border-radius: 4px;
    transition: height 0.1s linear;
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -36px;
    top: 28px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
    z-index: 2;
    transition: var(--transition-smooth);
}

.timeline-dot-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--accent-cyan);
    opacity: 0;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    box-shadow: 0 0 25px rgba(0, 229, 255, 0.5);
}

.timeline-item:hover .timeline-dot-ring {
    animation: pulseRing 1.5s ease-out infinite;
}

.timeline-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.timeline-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.timeline-card:hover .timeline-card-glow {
    opacity: 1;
}

.timeline-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.06);
    transform: translateX(8px);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-badge {
    background: rgba(0, 229, 255, 0.15);
    color: var(--accent-cyan);
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pulse-badge {
    animation: glowPulse 2s ease-in-out infinite;
}

.timeline-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-card h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent-teal);
    margin-bottom: 16px;
}

.timeline-details {
    list-style: none;
    margin-bottom: 16px;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: 700;
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline-tech span {
    padding: 4px 12px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ===== CERTS ===== */
.certifications {
    background: var(--bg-secondary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cert-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.cert-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 229, 255, 0.1);
}

.cert-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
    transition: left 0.6s ease;
    pointer-events: none;
}

.cert-card:hover .cert-shine {
    left: 200%;
}

.cert-badge-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.04) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.cert-card:hover .cert-badge-glow {
    opacity: 1;
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
    transition: var(--transition-smooth);
}

.cert-card:hover .cert-icon {
    transform: scale(1.15) rotate(5deg);
}

.cert-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 8px;
}

.cert-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.cert-issuer {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 16px;
}

.cert-verified {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 50px;
    font-size: 0.78rem;
    color: var(--accent-green);
    font-weight: 500;
}

/* ===== PROJECTS ===== */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.project-card-border {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-teal));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card:hover .project-card-border {
    transform: scaleX(1);
}

.project-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 229, 255, 0.08);
}

.project-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0, 229, 255, 0.04);
    line-height: 1;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.project-icon {
    font-size: 2.2rem;
    transition: var(--transition-smooth);
}

.project-card:hover .project-icon {
    transform: scale(1.1) rotate(-5deg);
}

.project-links {
    display: flex;
    gap: 10px;
}

.project-link {
    color: var(--text-muted);
    padding: 6px;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.project-link:hover {
    color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.08);
}

.project-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.project-tech span {
    padding: 4px 12px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.impact-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(0, 229, 255, 0.06);
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

/* ===== CONTACT ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--glass-border);
}

.contact-method:last-child {
    border-bottom: none;
}

.contact-icon {
    font-size: 1.8rem;
}

.contact-method h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-method a,
.contact-method span {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-link:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 229, 255, 0.15);
}

/* Form */
.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 36px;
    backdrop-filter: blur(10px);
}

.form-group {
    position: relative;
    margin-bottom: 28px;
}

.form-input {
    width: 100%;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-bottom-color: var(--accent-cyan);
}

.form-label {
    position: absolute;
    top: 14px;
    left: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-input:focus~.form-label,
.form-input:not(:placeholder-shown)~.form-label {
    top: -10px;
    font-size: 0.75rem;
    color: var(--accent-cyan);
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: var(--transition-smooth);
}

.form-input:focus~.form-line {
    width: 100%;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}

/* ===== FOOTER ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .skills-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 4px;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border-color);
        z-index: 999;
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

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

    .hero-title {
        font-size: 2.2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-col {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .image-frame {
        max-width: 280px;
    }

    .float-badge-1 {
        right: 0;
        top: 5%;
    }

    .float-badge-2 {
        right: 0;
        bottom: 35%;
    }

    .float-badge-3 {
        left: 0;
        bottom: 5%;
    }

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

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

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

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

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

    .section-title {
        font-size: 2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline-dot {
        left: -26px;
        width: 12px;
        height: 12px;
    }
}

@media (max-width:480px) {
    .hero {
        padding: 100px 16px 40px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

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

    .floating-shape {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {

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

    .scroll-reveal,
    .scroll-reveal-left,
    .scroll-reveal-right,
    .scroll-reveal-scale {
        opacity: 1;
        transform: none;
    }
}