/* ===========================
   MODERN 3D CSS - GDG NEHU
   =========================== */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Google Colors */
    --google-blue: #4285F4;
    --google-red: #EA4335;
    --google-yellow: #FBBC04;
    --google-green: #34A853;
    
    /* Theme Colors */
    --primary: #4285F4;
    --secondary: #34A853;
    --accent: #EA4335;
    --dark: #1a1a2e;
    --darker: #0f0f1e;
    --light: #f8f9fa;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-google: linear-gradient(135deg, #4285F4 0%, #34A853 50%, #FBBC04 75%, #EA4335 100%);
    --gradient-neon: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.3);
    --shadow-neon: 0 0 20px rgba(66, 133, 244, 0.5);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    position: relative;
}

/* Custom Cursor */
.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.2s ease, background 0.2s ease;
    mix-blend-mode: difference;
}

.cursor-outline {
    width: 30px;
    height: 30px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: all 0.15s ease;
    mix-blend-mode: difference;
}

/* Particles Background */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(ellipse at bottom, #1a1a2e 0%, #0f0f1e 100%);
}

/* Advanced Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.loader-sphere {
    width: 150px;
    height: 150px;
    position: relative;
    margin: 0 auto 30px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.sphere-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient-google);
    animation: rotate3d 4s linear infinite;
    box-shadow: 0 0 60px rgba(66, 133, 244, 0.6);
}

@keyframes rotate3d {
    0% { transform: rotate3d(1, 1, 1, 0deg); }
    100% { transform: rotate3d(1, 1, 1, 360deg); }
}

.sphere-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(66, 133, 244, 0.4) 0%, transparent 70%);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.loader-text {
    font-size: 36px;
    font-weight: 800;
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 20px;
}

.glitch {
    position: relative;
    color: var(--light);
    animation: glitch-text 2s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 #ff00de;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 #00fff9, 2px 2px #ff00de;
    animation: glitch-anim2 1s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(10px, 9999px, 94px, 0); }
    20% { clip: rect(85px, 9999px, 14px, 0); }
    40% { clip: rect(41px, 9999px, 66px, 0); }
    60% { clip: rect(56px, 9999px, 40px, 0); }
    80% { clip: rect(23px, 9999px, 99px, 0); }
    100% { clip: rect(70px, 9999px, 30px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    20% { clip: rect(90px, 9999px, 22px, 0); }
    40% { clip: rect(10px, 9999px, 85px, 0); }
    60% { clip: rect(44px, 9999px, 60px, 0); }
    80% { clip: rect(50px, 9999px, 13px, 0); }
    100% { clip: rect(95px, 9999px, 46px, 0); }
}

.loading-bar {
    width: 300px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto 15px;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-google);
    width: 0%;
    animation: load-progress 2s ease-out forwards;
    box-shadow: 0 0 20px rgba(66, 133, 244, 0.8);
}

@keyframes load-progress {
    0% { width: 0%; }
    100% { width: 100%; }
}

.loader-percentage {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

/* Scroll Progress */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 9999;
}

.scroll-progress-bar {
    height: 100%;
    background: var(--gradient-google);
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(66, 133, 244, 0.8);
}

/* Floating Menu */
.floating-menu {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.floating-menu-toggle {
    width: 60px;
    height: 60px;
    background: var(--gradient-google);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(66, 133, 244, 0.4);
    transition: all 0.3s ease;
    animation: float-menu 3s ease-in-out infinite;
}

@keyframes float-menu {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(180deg); }
}

.floating-menu-toggle:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 15px 40px rgba(66, 133, 244, 0.6);
}

.floating-menu-items {
    position: absolute;
    bottom: 80px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.floating-menu.active .floating-menu-items {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-item {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.floating-item::before {
    content: attr(data-tooltip);
    position: absolute;
    right: 70px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.floating-item:hover::before {
    opacity: 1;
    visibility: visible;
}

.floating-item:hover {
    transform: translateX(-5px) scale(1.1);
    background: var(--gradient-google);
    box-shadow: 0 5px 20px rgba(66, 133, 244, 0.5);
}

/* Header with Glass Morphism */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.main-header.scrolled {
    background: rgba(15, 15, 30, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo with 3D Effect */
.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-3d-wrapper {
    position: relative;
}

.logo-3d {
    width: 70px;
    height: 70px;
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
    animation: logo-float 3s ease-in-out infinite;
}

@keyframes logo-float {
    0%, 100% { transform: rotateY(0deg) translateY(0px); }
    50% { transform: rotateY(15deg) translateY(-5px); }
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: translateZ(30px);
    filter: drop-shadow(0 10px 20px rgba(66, 133, 244, 0.4));
    transition: transform 0.3s ease;
}

.logo-3d:hover .logo-img {
    transform: translateZ(50px) scale(1.1);
}

.logo-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(66, 133, 244, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-particles 2s ease-in-out infinite;
}

@keyframes pulse-particles {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.logo-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid rgba(66, 133, 244, 0.5);
    border-radius: 50%;
    animation: rotate-ring 10s linear infinite;
}

.ring-2 {
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-color: rgba(52, 168, 83, 0.5);
    animation: rotate-ring 15s linear infinite reverse;
}

@keyframes rotate-ring {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Logo Text Animation */
.logo-title {
    font-size: 28px;
    font-weight: 800;
    font-family: 'Orbitron', sans-serif;
    background: var(--gradient-google);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    gap: 2px;
}

.logo-title .letter {
    display: inline-block;
    animation: wave-letter 2s ease-in-out infinite;
}

.logo-title .letter:nth-child(1) { animation-delay: 0s; }
.logo-title .letter:nth-child(2) { animation-delay: 0.1s; }
.logo-title .letter:nth-child(3) { animation-delay: 0.2s; }
.logo-title .letter:nth-child(4) { animation-delay: 0.3s; }
.logo-title .letter:nth-child(5) { animation-delay: 0.4s; }
.logo-title .letter:nth-child(6) { animation-delay: 0.5s; }
.logo-title .letter:nth-child(7) { animation-delay: 0.6s; }

@keyframes wave-letter {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.logo-subtitle {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
}

.nav-link {
    position: relative;
    text-decoration: none;
    color: var(--light);
    font-weight: 500;
    font-size: 15px;
    padding: 10px 20px;
    display: block;
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-link-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-google);
    opacity: 0;
    border-radius: 25px;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-link:hover .nav-link-bg,
.nav-link.active .nav-link-bg {
    opacity: 0.2;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-google);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Login Button */
.btn-login {
    position: relative;
    background: var(--gradient-google);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(66, 133, 244, 0.4);
    transition: all 0.3s ease;
}

.btn-login-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: rotate-glow 3s linear infinite;
}

@keyframes rotate-glow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(66, 133, 244, 0.6);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-line {
    width: 30px;
    height: 3px;
    background: var(--light);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translateY(9px);
}

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

.menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translateY(-9px);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float-orb 10s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #4285F4 0%, transparent 70%);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #34A853 0%, transparent 70%);
    top: 50%;
    right: -100px;
    animation-delay: 2s;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, #EA4335 0%, transparent 70%);
    bottom: -100px;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float-orb {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -30px); }
    66% { transform: translate(-30px, 30px); }
}

/* Slider Styles */
.slider-container {
    width: 100%;
    height: 90vh;
    position: relative;
}

.slider-wrapper {
    display: flex;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(15, 15, 30, 0.7) 100%);
}

.slide-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 30px;
    animation: slide-up 1s ease-out;
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-label {
    display: inline-block;
    background: rgba(66, 133, 244, 0.2);
    border: 1px solid rgba(66, 133, 244, 0.5);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 25px;
    backdrop-filter: blur(10px);
}

.slide-title {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.2;
    font-family: 'Orbitron', sans-serif;
}

.slide-title .word {
    display: inline-block;
    background: var(--gradient-google);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 10px;
    animation: word-pop 0.6s ease-out;
    animation-fill-mode: both;
}

.word:nth-child(1) { animation-delay: 0.2s; }
.word:nth-child(2) { animation-delay: 0.4s; }
.word:nth-child(3) { animation-delay: 0.6s; }

@keyframes word-pop {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(20px);
    }
    50% {
        transform: scale(1.1) translateY(-5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.slide-desc {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.slide-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Slide Buttons */
.btn-slide {
    position: relative;
    padding: 18px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-google);
    color: white;
    box-shadow: 0 10px 30px rgba(66, 133, 244, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-shimmer {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.btn-slide:hover {
    transform: translateY(-3px);
}

.btn-primary:hover {
    box-shadow: 0 15px 40px rgba(66, 133, 244, 0.6);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 40px;
    transform: translateY(-50%);
    z-index: 20;
    pointer-events: none;
}

.slider-btn {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    position: relative;
    overflow: hidden;
}

.btn-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: width 0.6s ease, height 0.6s ease;
}

.slider-btn:hover .btn-ripple {
    width: 200%;
    height: 200%;
}

.slider-btn:hover {
    background: rgba(66, 133, 244, 0.3);
    transform: scale(1.1);
}

/* Slider Indicators */
.slider-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 20;
}

.indicator {
    width: 50px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.indicator-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--gradient-google);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.indicator.active {
    background: rgba(255, 255, 255, 0.5);
}

.indicator.active .indicator-progress {
    width: 100%;
    animation: indicator-fill 5s linear;
}

@keyframes indicator-fill {
    from { width: 0%; }
    to { width: 100%; }
}

.indicator:hover {
    transform: scaleY(1.5);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 20;
    animation: bounce-scroll 2s ease-in-out infinite;
}

@keyframes bounce-scroll {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 6px;
    height: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 3px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(15px); opacity: 0; }
}

.scroll-text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* About Section */
.about-section {
    padding: 120px 40px;
    position: relative;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(15, 15, 30, 0.9) 100%);
}

.section-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.1;
}

.bg-grid {
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(66, 133, 244, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(66, 133, 244, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-scroll 20s linear infinite;
}

@keyframes grid-scroll {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.section-tag {
    display: inline-block;
    background: rgba(66, 133, 244, 0.1);
    border: 1px solid rgba(66, 133, 244, 0.3);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--primary);
}

.section-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    font-family: 'Orbitron', sans-serif;
    color: var(--light);
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 0 auto 30px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-google);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Cards */
.about-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.about-card {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px 40px;
    overflow: hidden;
    transition: all 0.5s ease;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.about-card:hover .card-shine {
    left: 100%;
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: var(--gradient-google);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.about-card:hover .card-border {
    opacity: 0.2;
}

.about-card:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.card-icon-wrapper {
    position: relative;
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
}

.card-icon {
    width: 100%;
    height: 100%;
    background: var(--gradient-google);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    color: white;
    transform: translateZ(20px);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.icon-bg {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-google);
    border-radius: 25px;
    filter: blur(20px);
    opacity: 0.5;
    z-index: 0;
}

.about-card:hover .card-icon {
    transform: translateZ(30px) rotateY(180deg);
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--light);
}

.card-text {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.card-footer {
    margin-top: auto;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.card-link:hover {
    gap: 15px;
    color: var(--secondary);
}

/* Stats Section */
.stats-section {
    padding: 120px 40px;
    position: relative;
    background: var(--darker);
    overflow: hidden;
}

.stats-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(66, 133, 244, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.stats-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.animated-grid {
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(66, 133, 244, 0.05) 2px, transparent 2px),
        linear-gradient(90deg, rgba(66, 133, 244, 0.05) 2px, transparent 2px);
    background-size: 100px 100px;
    animation: grid-move 30s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 50px 30px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-google);
    opacity: 0;
    transition: all 0.6s ease;
}

.stat-item:hover::before {
    left: 0;
    opacity: 0.1;
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border-color: rgba(66, 133, 244, 0.5);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(66, 133, 244, 0.5));
}

.stat-number-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    font-family: 'Orbitron', sans-serif;
    background: var(--gradient-google);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 20px;
}

.stat-bar-fill {
    height: 100%;
    background: var(--gradient-google);
    width: 0;
    transition: width 2s ease;
}

.stat-item:hover .stat-bar-fill {
    width: 100%;
}

/* Technologies Section */
.tech-section {
    padding: 120px 40px;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(15, 15, 30, 0.9) 100%);
    overflow: hidden;
}

.tech-carousel {
    margin-top: 60px;
    overflow: hidden;
    position: relative;
}

.tech-track {
    display: flex;
    gap: 60px;
    animation: scroll-tech 30s linear infinite;
}

@keyframes scroll-tech {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.tech-carousel:hover .tech-track {
    animation-play-state: paused;
}

.tech-item {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-10px) scale(1.1);
    background: rgba(66, 133, 244, 0.2);
    box-shadow: 0 10px 30px rgba(66, 133, 244, 0.4);
}

.tech-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: filter 0.3s ease;
}

.tech-item:hover img {
    filter: none;
}

/* Footer */
footer {
    position: relative;
    background: var(--darker);
    margin-top: 100px;
}

.footer-wave {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    height: 100px;
}

.footer-wave svg {
    fill: var(--darker);
    animation: wave-animation 10s ease-in-out infinite;
}

@keyframes wave-animation {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.1); }
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 40px 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
    color: var(--light);
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-google);
    border-radius: 2px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-logo-3d {
    width: 150px;
    height: 150px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: float-footer-logo 3s ease-in-out infinite;
}

@keyframes float-footer-logo {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.footer-gif {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-logo h3 {
    font-size: 1.8rem;
    font-family: 'Orbitron', sans-serif;
    background: var(--gradient-google);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
    font-style: italic;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a i {
    color: var(--primary);
    transition: transform 0.3s ease;
}

.footer-links a:hover {
    color: var(--light);
    transform: translateX(5px);
}

.footer-links a:hover i {
    transform: translateX(5px);
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-google);
    transition: left 0.3s ease;
}

.social-icon:hover::before {
    left: 0;
}

.social-icon i {
    position: relative;
    z-index: 1;
}

.social-icon:hover {
    transform: translateY(-5px) rotate(15deg);
    box-shadow: 0 10px 25px rgba(66, 133, 244, 0.4);
}

.social-tooltip {
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.social-icon:hover .social-tooltip {
    opacity: 1;
    visibility: visible;
    bottom: 60px;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.contact-item i {
    width: 30px;
    height: 30px;
    background: rgba(66, 133, 244, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    padding: 30px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 50px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin: 5px 0;
}

.footer-credits {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-credits i {
    color: #EA4335;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25%, 75% { transform: scale(1.2); }
    50% { transform: scale(1.1); }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 55px;
    height: 55px;
    background: var(--gradient-google);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(66, 133, 244, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(66, 133, 244, 0.6);
}

.btn-tooltip {
    position: absolute;
    left: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .slide-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(15, 15, 30, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 50px 30px;
        transition: left 0.3s ease;
        align-items: flex-start;
        gap: 0;
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-link {
        width: 100%;
        padding: 20px 0;
        font-size: 1.2rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .slide-title {
        font-size: 2.5rem;
    }
    
    .slide-desc {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .floating-menu {
        bottom: 20px;
        right: 20px;
    }
    
    .slider-controls {
        padding: 0 20px;
    }
    
    .slider-btn {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .slide-title {
        font-size: 1.8rem;
    }
    
    .slide-desc {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .slide-actions {
        flex-direction: column;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-google);
    border-radius: 10px;
}

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

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

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