/* ===================================
   PROFESSIONAL PORTFOLIO STYLES
   =================================== */

/* ===================================
   CSS Variables & Design System
   =================================== */
:root {
    /* Primary Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #11111a;
    --bg-tertiary: #16161f;
    --bg-card: rgba(22, 22, 31, 0.6);
    --bg-glass: rgba(10, 10, 15, 0.8);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --text-muted: #6b6b7b;

    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    --accent-gradient-alt: linear-gradient(135deg, #8b5cf6, #ec4899);
    --accent-glow: rgba(99, 102, 241, 0.3);

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --container-max: 1400px;
    --section-padding: 140px 0;
    --section-padding-mobile: 100px 0;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.7s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.4);
    --shadow-accent: 0 8px 32px rgba(139, 92, 246, 0.3);

    /* Z-index */
    --z-preloader: 9999;
    --z-cursor: 9998;
    --z-navbar: 1000;
    --z-progress: 998;
    --z-back-to-top: 997;
}

/* ===================================
   Global Styles & Reset
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    cursor: none;
}

body.loaded {
    cursor: none;
}

body.cursor-hidden {
    cursor: none;
}

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

::-moz-selection {
    background: var(--accent-primary);
    color: var(--text-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* ===================================
   Preloader
   =================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-preloader);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

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

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader-text {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.loader-letter {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-letter:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-letter:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

/* ===================================
   Custom Cursor
   =================================== */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-cursor);
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, background 0.3s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-cursor);
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
}

.cursor.hover {
    transform: translate(-50%, -50%) scale(1.5);
    background: var(--accent-secondary);
}

.cursor-follower.hover {
    width: 60px;
    height: 60px;
    border-color: var(--accent-secondary);
    background: rgba(139, 92, 246, 0.1);
}

/* Hide cursor on touch devices */
@media (hover: none) and (pointer: coarse) {

    .cursor,
    .cursor-follower {
        display: none;
    }

    body {
        cursor: auto;
    }
}

/* ===================================
   Progress Bar
   =================================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--accent-gradient);
    width: 0%;
    z-index: var(--z-progress);
    transition: width 0.1s ease;
}

/* ===================================
   Container
   =================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-navbar);
    padding: 20px 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.navbar .logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

.logo-text {
    color: var(--text-primary);
}

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

.navbar .logo:hover {
    transform: translateY(-2px);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-base);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-smooth);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-cta {
    padding: 12px 28px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
    border-radius: 2px;
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Navigation */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 100px 40px;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-lg);
    }

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

    .nav-menu li {
        margin-bottom: 20px;
    }

    .nav-link {
        font-size: 18px;
    }

    .btn-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    border: none;
    outline: none;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-accent);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-secondary);
}

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

.btn i {
    transition: var(--transition-base);
}

.btn:hover i {
    transform: translateX(5px);
}

/* Magnetic Button Effect */
.magnetic {
    transition: transform 0.3s ease;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    section {
        padding: var(--section-padding-mobile);
    }
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--accent-gradient);
    border-radius: var(--radius-xl);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 54px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    left: -200px;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {

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

    25% {
        transform: translateY(-30px) rotate(90deg);
    }

    50% {
        transform: translateY(0) rotate(180deg);
    }

    75% {
        transform: translateY(30px) rotate(270deg);
    }
}

.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.5;
    animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.5;
    }

    90% {
        opacity: 0.5;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-visual {
        order: -1;
    }
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--accent-primary);
}

.hero-badge i {
    animation: starPulse 2s ease-in-out infinite;
}

@keyframes starPulse {

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

    50% {
        transform: scale(1.2);
    }
}

/* Hero Text */
.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

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

.title-line:nth-child(2) {
    font-style: italic;
}

.hero-subtitle-lg {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--text-secondary);
    margin-bottom: 32px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

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

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

@media (max-width: 992px) {
    .hero-description {
        max-width: 100%;
    }
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .hero-buttons {
        justify-content: center;
    }
}

/* Hero Socials */
.hero-socials {
    display: flex;
    gap: 16px;
}

@media (max-width: 992px) {
    .hero-socials {
        justify-content: center;
    }
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 18px;
    transition: var(--transition-base);
    background: var(--bg-glass);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
    border-color: transparent;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-card-3d {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    transform-style: preserve-3d;
    transition: var(--transition-smooth);
}

.hero-card-3d:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg);
    box-shadow: var(--shadow-lg);
}

.hero-avatar-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 30px;
}

.avatar-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: var(--accent-gradient);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.5;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

.avatar-circle {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    z-index: 2;
}

.avatar-ring {
    position: absolute;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: ringRotate 20s linear infinite;
}

.ring-1 {
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-left-color: transparent;
    border-right-color: transparent;
}

.ring-2 {
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-top-color: transparent;
    border-bottom-color: transparent;
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-3 {
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    border-style: dashed;
    opacity: 0.3;
    animation-duration: 25s;
}

@keyframes ringRotate {
    to {
        transform: rotate(360deg);
    }
}

.hero-name {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.hero-title-text {
    color: var(--accent-primary);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-role-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.role-tag {
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
}

.hero-decoration {
    position: absolute;
    top: 20px;
    right: 20px;
}

.deco-line {
    position: absolute;
    width: 60px;
    height: 2px;
    background: var(--accent-gradient);
}

.deco-1 {
    top: 0;
    right: 0;
    transform: rotate(45deg);
}

.deco-2 {
    top: 10px;
    right: 10px;
    transform: rotate(-45deg);
}

.deco-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.deco-dot:nth-child(3) {
    top: 15px;
    right: 0;
}

.deco-dot:nth-child(4) {
    top: 0;
    right: 15px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.mouse-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: mouseScroll 2s ease-in-out infinite;
}

@keyframes mouseScroll {

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

    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.5;
    }
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
}

.about-image-main {
    position: relative;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    padding: 60px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    opacity: 0.05;
}

.about-illustration {
    position: relative;
    z-index: 1;
}

.illustration-item {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent-primary);
    animation: floatItem 6s ease-in-out infinite;
}

.item-1 {
    top: 20%;
    left: 10%;
}

.item-2 {
    top: 60%;
    left: 5%;
    animation-delay: -2s;
}

.item-3 {
    top: 30%;
    right: 10%;
    animation-delay: -4s;
}

.item-4 {
    bottom: 20%;
    right: 5%;
    animation-delay: -1s;
}

@keyframes floatItem {

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

    50% {
        transform: translateY(-15px);
    }
}

.about-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: floatCard 8s ease-in-out infinite;
}

.card-1 {
    top: -20px;
    right: -20px;
}

.card-2 {
    bottom: -20px;
    left: -20px;
    animation-delay: -4s;
}

@keyframes floatCard {

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

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

.card-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.card-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* About Content */
.about-intro {
    margin-bottom: 40px;
}

.about-text {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.9;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

@media (max-width: 600px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.stat-info {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.about-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===================================
   Skills Section
   =================================== */
.skills {
    background: var(--bg-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

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

.skill-category {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 40px;
    transition: var(--transition-smooth);
}

.skill-category:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
}

.category-title {
    font-size: 24px;
    font-weight: 700;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.skill-item {
    position: relative;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.skill-name {
    font-weight: 500;
    font-size: 15px;
}

.skill-percent {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 14px;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    width: 0;
    transition: width 1.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
    background: var(--bg-secondary);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 28px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border-radius: var(--radius-xl);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    color: var(--text-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: var(--transition-smooth);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    height: 100%;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.portfolio-card:hover .overlay-content {
    transform: translateY(0);
}

.overlay-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.overlay-content p {
    color: var(--accent-primary);
    font-size: 14px;
    margin-bottom: 20px;
}

.view-project {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--accent-gradient);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-base);
}

.view-project:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.portfolio-info {
    padding: 24px;
    text-align: center;
}

.portfolio-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.portfolio-info span {
    color: var(--accent-primary);
    font-size: 13px;
    font-weight: 500;
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    padding: 40px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-primary);
    margin: 0 auto 24px;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card>p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
    text-align: left;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    padding-left: 24px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 700;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
}

.service-link:hover {
    gap: 16px;
    color: var(--accent-secondary);
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

.info-header {
    margin-bottom: 40px;
}

.info-header h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.info-header>p {
    color: var(--text-secondary);
    font-size: 16px;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    transition: var(--transition-base);
}

.contact-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
    flex-shrink: 0;
}

.contact-info-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-info-text span {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.contact-info-text a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition-base);
}

.contact-info-text a:hover {
    color: var(--accent-primary);
}

.contact-socials {
    text-align: center;
}

.contact-socials>span {
    display: block;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px 16px 50px;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-primary);
    transition: var(--transition-base);
}

.form-group textarea {
    padding: 16px 20px;
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.error-message {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: #ef4444;
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: var(--transition-base);
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
}

.form-group.error .error-message {
    opacity: 1;
    height: auto;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-primary);
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    padding-right: 40px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-link-group h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition-base);
    font-size: 15px;
}

.footer-link-group a:hover {
    color: var(--accent-primary);
    transform: translateX(5px);
}

.footer-link-group span {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    color: var(--text-muted);
    font-size: 14px;
}

.copyright i {
    color: var(--accent-tertiary);
}

/* ===================================
   Back to Top
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: var(--z-back-to-top);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

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

/* Animation classes */
.animate-fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-in-left {
    opacity: 0;
    animation: fadeInLeft 0.8s ease forwards;
}

.animate-fade-in-right {
    opacity: 0;
    animation: fadeInRight 0.8s ease forwards;
}

.animate-scale-in {
    opacity: 0;
    animation: scaleIn 0.8s ease forwards;
}

/* COMPLETE MOBILE RESPONSIVE FIX - Copy paste original CSS ke end mein */

/* ================= MOBILE FIRST (0-480px) ================= */
* {
    box-sizing: border-box;
}

@media screen and (max-width: 480px) {
    html {
        font-size: 14px;
        touch-action: manipulation;
    }

    /* Container & Spacing */
    .container {
        padding: 0 15px !important;
        max-width: 100% !important;
    }

    section {
        padding: 60px 0 !important;
    }

    /* Navbar Mobile */
    .navbar {
        padding: 12px 0 !important;
        backdrop-filter: blur(10px) !important;
    }

    .nav-menu {
        position: fixed !important;
        top: 0 !important;
        right: -100% !important;
        width: 280px !important;
        height: 100vh !important;
        background: rgba(10, 10, 15, 0.98) !important;
        flex-direction: column !important;
        padding: 80px 30px 30px !important;
        gap: 0 !important;
    }

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

    .nav-menu li {
        margin-bottom: 25px !important;
    }

    .nav-link {
        font-size: 18px !important;
        padding: 12px 0 !important;
        display: block !important;
    }

    .hamburger {
        display: flex !important;
    }

    .btn-cta {
        display: none !important;
    }

    /* Hero Section Mobile */
    .hero {
        min-height: 100vh !important;
        padding-top: 70px !important;
        text-align: center !important;
    }

    .hero-content {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
        padding: 0 10px;
    }

    .hero-title {
        font-size: 2.5rem !important;
        line-height: 1.1 !important;
        margin-bottom: 20px !important;
    }

    .hero-buttons {
        flex-direction: column !important;
        gap: 15px !important;
        align-items: center !important;
    }

    .hero-visual {
        order: -1 !important;
    }

    /* About Section */
    .about-grid {
        grid-template-columns: 1fr !important;
        gap: 50px !important;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }

    /* Skills Mobile */
    .skills-grid {
        grid-template-columns: 1fr !important;
    }

    .skill-category {
        padding: 30px 25px !important;
    }

    /* Portfolio Mobile */
    .portfolio-grid {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
    }

    .portfolio-filters {
        flex-wrap: wrap !important;
        gap: 10px !important;
        justify-content: center !important;
    }

    .filter-btn {
        padding: 12px 20px !important;
        font-size: 13px !important;
        min-width: 100px;
        text-align: center;
    }

    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
    }

    /* Contact Mobile */
    .contact-wrapper {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }

    .form-row {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .contact-form-wrapper {
        padding: 30px 25px !important;
    }

    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 35px !important;
        text-align: center !important;
    }

    .footer-links {
        grid-template-columns: 1fr !important;
    }

    /* Typography & Buttons */
    .section-title {
        font-size: 2.2rem !important;
    }

    .btn {
        padding: 14px 28px !important;
        font-size: 15px !important;
        min-width: 200px;
        justify-content: center;
    }

    /* Utilities */
    .back-to-top {
        bottom: 20px !important;
        right: 20px !important;
        width: 50px !important;
        height: 50px !important;
    }

    .scroll-indicator {
        bottom: 25px !important;
    }

    /* Fix Overflow */
    body {
        overflow-x: hidden !important;
    }

    .cursor,
    .cursor-follower {
        display: none !important;
    }
}

/* ================= TABLET (481px - 768px) ================= */
@media screen and (max-width: 768px) and (min-width: 481px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

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

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

    .hamburger {
        display: flex;
    }
}

/* ================= LAPTOP (769px - 1024px) ================= */
@media screen and (max-width: 1024px) {
    .nav-menu {
        gap: 20px !important;
    }

    .hero-content {
        gap: 60px !important;
    }
}

/* ================= ULTRA SMALL MOBILE ================= */
@media screen and (max-width: 360px) {
    .container {
        padding: 0 12px !important;
    }

    section {
        padding: 50px 0 !important;
    }

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

    .btn {
        min-width: 180px !important;
    }
}

/* ================= TOUCH DEVICE OPTIMIZATION ================= */
@media (hover: none) and (pointer: coarse) {

    .cursor,
    .cursor-follower {
        display: none !important;
    }

    body {
        cursor: auto !important;
    }

    /* Touch-friendly buttons */
    .btn,
    .filter-btn,
    .nav-link {
        min-height: 48px !important;
        touch-action: manipulation;
    }
}

/* ================= RESPONSIVE IMAGES ================= */
img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
}

/* ================= SAFE AREA INSET (iPhone Notch) ================= */
@supports(padding: max(0px)) {
    .navbar {
        padding-top: max(20px, env(safe-area-inset-top)) !important;
        padding-bottom: max(20px, env(safe-area-inset-top)) !important;
    }
}