/* ========================================
   PeckShield-Style Advanced Design
   High-tech, Dark Theme with Dynamic Effects
   ======================================== */

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

:root {
    /* Primary Colors - Deep Tech Blue-Purple */
    --primary-color: #5b4cfa;
    --primary-dark: #4839d4;
    --primary-light: #7c6dff;
    --secondary-color: #8b5cf6;
    --accent-color: #a78bfa;
    --cyan-accent: #06b6d4;
    
    /* Background Colors - Darker */
    --bg-darkest: #000000;
    --bg-darker: #0a0a0f;
    --bg-dark: #0f1015;
    --bg-card: #16171f;
    --bg-card-hover: #1a1b24;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Effects */
    --glow-color: rgba(91, 76, 250, 0.5);
    --glow-color-cyan: rgba(6, 182, 212, 0.5);
    
    /* Spacing */
    --container-width: 1280px;
    --section-padding: 120px 20px;
    
    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(91, 76, 250, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 30px rgba(91, 76, 250, 0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    z-index: 1;
}

.logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.logo:hover img {
    filter: drop-shadow(0 0 15px var(--glow-color));
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--cyan-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 45px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--cyan-accent));
    transition: width 0.3s ease;
}

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

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

.lang-switcher {
    position: relative;
    display: flex;
    gap: 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 4px;
    border: 1px solid rgba(91, 76, 250, 0.2);
    backdrop-filter: blur(10px);
}

.lang-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(33.333% - 3px);
    height: calc(100% - 8px);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(91, 76, 250, 0.4);
    z-index: 0;
}

.lang-btn {
    position: relative;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 18px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: color 0.3s ease;
    z-index: 1;
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    color: var(--text-primary);
}

.lang-btn.active {
    color: #ffffff;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-darkest);
}

/* Grid Background */
.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(91, 76, 250, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 76, 250, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
}

/* gridMove animation removed for cleaner appearance */

/* Hero Carousel */
.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    filter: grayscale(20%) brightness(0.45);
}

.carousel-item.active {
    opacity: 1;
}

/* kenBurns animation removed for cleaner appearance */

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(10, 10, 15, 0.95) 0%, 
        rgba(91, 76, 250, 0.3) 50%,
        rgba(6, 182, 212, 0.2) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1100px;
    padding: 0 20px;
}

/* Glitch Effect Container */
.glitch-container {
    position: relative;
    margin-bottom: 40px;
    padding: 20px 0;
    overflow: visible;
}

/* Scanning line effect removed for cleaner appearance */

/* scanLine animation removed for cleaner appearance */

/* Glitch effect removed for cleaner appearance */

.hero-title {
    font-size: 110px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 0;
    background: linear-gradient(90deg, 
        #ffffff 0%, 
        var(--primary-light) 20%, 
        var(--cyan-accent) 40%,
        var(--primary-light) 60%,
        #ffffff 80%,
        var(--cyan-accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleFadeIn 1.2s ease-out, gradientShift 8s ease-in-out infinite;
    letter-spacing: 8px;
    text-transform: uppercase;
    filter: drop-shadow(0 0 30px rgba(91, 76, 250, 0.8)) 
            drop-shadow(0 0 60px rgba(6, 182, 212, 0.6))
            drop-shadow(0 5px 15px rgba(0, 0, 0, 0.5));
    position: relative;
}

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

/* titleFloat animation removed for cleaner appearance */

@keyframes gradientShift {
    0% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
    100% {
        background-position: 0% center;
    }
}

/* glowPulse animation removed for cleaner appearance */

.hero-subtitle {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 80px;
    animation: fadeInUp 1.2s ease-out 0.3s both;
    font-weight: 300;
    letter-spacing: 1.5px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}


/* Scroll Indicator */
/* Scroll indicator removed for cleaner appearance */

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(91, 76, 250, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 52px;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--cyan-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--cyan-accent));
    margin: 20px auto;
    border-radius: 2px;
    box-shadow: 0 0 20px var(--glow-color);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ========================================
   Services Section - Radial Layout
   ======================================== */
.services {
    background: var(--bg-darker);
    position: relative;
    padding: 120px 20px 200px;
    background-image: url('./images/背景图.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.5);
    backdrop-filter: blur(2px);
    z-index: 0;
}

.services-radial {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 80px auto 0;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* Center Box */
.services-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.center-box {
    width: 280px;
    height: 280px;
    background: rgba(15, 16, 21, 0.85);
    backdrop-filter: blur(20px);
    border: 3px solid transparent;
    background-image: 
        linear-gradient(rgba(15, 16, 21, 0.85), rgba(15, 16, 21, 0.85)),
        linear-gradient(135deg, var(--primary-color), var(--cyan-accent), var(--primary-light));
    background-origin: border-box;
    background-clip: padding-box, border-box;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: centerGlow 3s ease-in-out infinite;
    box-shadow: 
        0 0 40px rgba(91, 76, 250, 0.4),
        0 0 80px rgba(6, 182, 212, 0.3),
        inset 0 0 60px rgba(91, 76, 250, 0.1);
}

.center-box::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 24px;
    padding: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--cyan-accent), var(--primary-light));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.8;
    animation: borderRotate 4s linear infinite;
}

@keyframes centerGlow {
    0%, 100% {
        box-shadow: 
            0 0 40px rgba(91, 76, 250, 0.4),
            0 0 80px rgba(6, 182, 212, 0.3),
            inset 0 0 60px rgba(91, 76, 250, 0.1);
    }
    50% {
        box-shadow: 
            0 0 60px rgba(91, 76, 250, 0.7),
            0 0 120px rgba(6, 182, 212, 0.5),
            inset 0 0 80px rgba(91, 76, 250, 0.2);
    }
}

@keyframes borderRotate {
    0% {
        filter: hue-rotate(0deg) brightness(1);
    }
    50% {
        filter: hue-rotate(180deg) brightness(1.3);
    }
    100% {
        filter: hue-rotate(360deg) brightness(1);
    }
}

.center-box h3 {
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff, var(--primary-light), var(--cyan-accent), #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.4;
    letter-spacing: 2px;
    text-align: center;
    padding: 30px;
    animation: textShine 3s ease-in-out infinite;
}

@keyframes textShine {
    0%, 100% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
}

/* Service Branches */
.service-branch {
    position: absolute;
    width: 450px;
    z-index: 5;
}

.branch-top-left {
    top: 30px;
    left: 30px;
}

.branch-top-right {
    top: 30px;
    right: 30px;
}

.branch-bottom-left {
    bottom: 30px;
    left: 30px;
}

.branch-bottom-right {
    bottom: 30px;
    right: 30px;
}

/* No connecting lines */

/* Branch Content */
.branch-content {
    background: rgba(15, 16, 21, 0.85);
    backdrop-filter: blur(15px);
    border: 2px solid rgba(91, 76, 250, 0.4);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    height: 240px;
    display: flex;
    flex-direction: column;
}

.branch-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(91, 76, 250, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
}

.branch-content:hover::before {
    opacity: 1;
}

.branch-content:hover {
    border-color: var(--cyan-accent);
    box-shadow: 
        0 12px 48px rgba(91, 76, 250, 0.4),
        0 0 80px rgba(6, 182, 212, 0.3);
    transform: translateY(-8px) scale(1.02);
}

.branch-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.branch-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(91, 76, 250, 0.2), rgba(6, 182, 212, 0.2));
    border-radius: 12px;
    border: 1px solid rgba(91, 76, 250, 0.3);
    transition: var(--transition);
    position: relative;
}

/* Icon SVG styles */
.branch-icon svg {
    width: 32px;
    height: 32px;
    fill: none;
    stroke: var(--primary-light);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.branch-content:hover .branch-icon {
    transform: scale(1.15);
    box-shadow: 0 5px 20px rgba(91, 76, 250, 0.5);
}

.branch-content:hover .branch-icon svg {
    stroke: var(--cyan-accent);
    filter: drop-shadow(0 0 8px var(--cyan-accent));
}

.branch-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
    line-height: 1.3;
}

.branch-list {
    list-style: none;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.branch-list li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 12px;
}

.branch-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 14px;
}

/* ========================================
   Products Section
   ======================================== */
.products {
    background: var(--bg-darkest);
    position: relative;
    background-image: url('./images/背景图.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(2px);
    z-index: 0;
}

/* Products Stagger Layout - 错落布局 */
.products-stagger {
    max-width: 1200px;
    margin: 80px auto 0;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.product-capsule {
    position: relative;
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 35px 45px;
    background: linear-gradient(135deg, rgba(15, 16, 21, 0.9), rgba(20, 21, 28, 0.85));
    backdrop-filter: blur(20px);
    border: 2px solid rgba(91, 76, 250, 0.25);
    border-radius: 80px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.product-capsule::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(120deg, var(--primary-color), var(--cyan-accent), var(--primary-light));
    border-radius: 80px;
    opacity: 0;
    transition: opacity 0.5s;
    z-index: -1;
}

.product-capsule:hover::before {
    opacity: 0.2;
}

/* Left-aligned capsules */
.capsule-left {
    width: 85%;
    margin-right: auto;
}

.capsule-left:hover {
    transform: translateX(20px);
    border-color: var(--primary-color);
    box-shadow: 
        -10px 20px 60px rgba(91, 76, 250, 0.4),
        0 0 80px rgba(91, 76, 250, 0.2);
}

/* Right-aligned capsules */
.capsule-right {
    width: 85%;
    margin-left: auto;
    flex-direction: row-reverse;
}

.capsule-right:hover {
    transform: translateX(-20px);
    border-color: var(--cyan-accent);
    box-shadow: 
        10px 20px 60px rgba(6, 182, 212, 0.4),
        0 0 80px rgba(6, 182, 212, 0.2);
}

/* Capsule Number */
.capsule-number {
    position: absolute;
    top: 15px;
    font-size: 120px;
    font-weight: 900;
    color: rgba(91, 76, 250, 0.03);
    line-height: 1;
    pointer-events: none;
    transition: all 0.5s;
}

.capsule-left .capsule-number {
    left: 30px;
}

.capsule-right .capsule-number {
    right: 30px;
}

.product-capsule:hover .capsule-number {
    color: rgba(91, 76, 250, 0.08);
    transform: scale(1.1);
}

/* Capsule Icon */
.capsule-icon {
    flex-shrink: 0;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(91, 76, 250, 0.15), rgba(6, 182, 212, 0.15));
    border: 2px solid rgba(91, 76, 250, 0.3);
    border-radius: 50%;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    z-index: 2;
}

.capsule-icon::before {
    content: '';
    position: absolute;
    inset: -5px;
    background: linear-gradient(135deg, var(--primary-color), var(--cyan-accent));
    border-radius: 50%;
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.5s;
    z-index: -1;
}

.product-capsule:hover .capsule-icon::before {
    opacity: 0.5;
}

.capsule-icon svg {
    width: 50px;
    height: 50px;
    fill: none;
    stroke: var(--primary-light);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 0.5s;
}

.product-capsule:hover .capsule-icon {
    transform: scale(1.15) rotate(360deg);
    background: linear-gradient(135deg, rgba(91, 76, 250, 0.25), rgba(6, 182, 212, 0.25));
    border-color: var(--cyan-accent);
}

.product-capsule:hover .capsule-icon svg {
    stroke: var(--cyan-accent);
    filter: drop-shadow(0 0 12px var(--cyan-accent));
}

/* Capsule Content */
.capsule-content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.capsule-title {
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff, var(--primary-light), var(--cyan-accent), #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: 1px;
    animation: titleFlow 8s ease-in-out infinite;
}

@keyframes titleFlow {
    0%, 100% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
}

/* Capsule Features - Tag Style */
.capsule-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.capsule-features span {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(91, 76, 250, 0.08);
    border: 1px solid rgba(91, 76, 250, 0.2);
    border-radius: 20px;
    transition: all 0.3s ease;
    cursor: default;
}

.capsule-features span:hover {
    color: var(--cyan-accent);
    background: rgba(6, 182, 212, 0.12);
    border-color: var(--cyan-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.2);
}

/* ========================================
   About Section
   ======================================== */
.about {
    background: var(--bg-darker);
    position: relative;
    background-image: url('./images/背景图.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.55);
    backdrop-filter: blur(2px);
    z-index: 0;
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about-content p {
    font-size: 18px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.88);
    line-height: 2.1;
    text-align: justify;
    text-indent: 2em;
    position: relative;
    padding: 40px 50px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 2px solid rgba(91, 76, 250, 0.3);
    backdrop-filter: blur(15px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.5px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.about-content p:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
    color: rgba(255, 255, 255, 0.95);
    box-shadow: 
        0 12px 48px rgba(91, 76, 250, 0.25),
        0 0 80px rgba(91, 76, 250, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--bg-darkest);
    position: relative;
    background-image: url('./images/背景图.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(2px);
    z-index: 0;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.contact-item {
    text-align: center;
    padding: 50px 40px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid rgba(91, 76, 250, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--glow-color-cyan) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
}

.contact-item:hover::before {
    opacity: 0.2;
}

.contact-item:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--cyan-accent);
    box-shadow: 0 20px 60px rgba(6, 182, 212, 0.3);
    background: var(--bg-card-hover);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(91, 76, 250, 0.1), rgba(6, 182, 212, 0.1));
    border: 2px solid rgba(91, 76, 250, 0.3);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-icon svg {
    width: 42px;
    height: 42px;
    color: var(--primary-light);
    filter: drop-shadow(0 0 8px rgba(91, 76, 250, 0.5));
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.contact-item:hover .contact-icon {
    transform: translateY(-8px) rotateY(360deg);
}

.contact-item:hover .contact-icon::before {
    background: linear-gradient(135deg, rgba(91, 76, 250, 0.2), rgba(6, 182, 212, 0.2));
    border-color: var(--primary-color);
    box-shadow: 
        0 0 30px rgba(91, 76, 250, 0.4),
        inset 0 0 20px rgba(91, 76, 250, 0.1);
    transform: scale(1.15);
}

.contact-item:hover .contact-icon svg {
    color: var(--cyan-accent);
    filter: drop-shadow(0 0 15px rgba(6, 182, 212, 0.8));
    transform: scale(1.1);
}

.contact-item h3 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.contact-item a,
.contact-item p {
    color: var(--primary-light);
    text-decoration: none;
    font-size: 16px;
    transition: var(--transition-fast);
    position: relative;
    z-index: 1;
}

.contact-item a:hover {
    color: var(--cyan-accent);
    text-shadow: 0 0 10px var(--glow-color-cyan);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid rgba(91, 76, 250, 0.15);
    padding: 80px 20px 40px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), var(--cyan-accent), transparent);
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
    width: auto;
    filter: brightness(1.1);
    transition: var(--transition);
}

.footer-logo:hover img {
    filter: brightness(1.1) drop-shadow(0 0 15px var(--glow-color));
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: 1.5px;
    margin: 0;
}

/* Footer links and contact sections removed for cleaner design */

.footer-bottom {
    text-align: center;
    padding-top: 35px;
    margin-top: 20px;
    border-top: 1px solid rgba(91, 76, 250, 0.15);
    color: var(--text-muted);
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-registration {
    font-size: 13px;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 80px;
        letter-spacing: 6px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    /* Services Radial - Tablet */
    .services-radial {
        max-width: 1000px;
        min-height: 750px;
    }
    
    .service-branch {
        width: 320px;
    }
    
    .branch-top-left,
    .branch-bottom-left {
        left: 20px;
    }
    
    .branch-top-right,
    .branch-bottom-right {
        right: 20px;
    }
    
    .branch-top-left,
    .branch-top-right {
        top: 20px;
    }
    
    .branch-bottom-left,
    .branch-bottom-right {
        bottom: 20px;
    }
    
    .branch-content {
        padding: 25px;
        height: 220px;
    }
    
    .branch-header h3 {
        font-size: 18px;
    }
    
    .center-box {
        width: 240px;
        height: 240px;
    }
    
    .center-box h3 {
        font-size: 26px;
    }
    
    /* Products Capsule - Tablet */
    .products-stagger {
        gap: 40px;
        padding: 0 20px;
    }
    
    .product-capsule {
        padding: 30px 35px;
        border-radius: 70px;
        gap: 25px;
    }
    
    .capsule-left,
    .capsule-right {
        width: 90%;
    }
    
    .capsule-icon {
        width: 75px;
        height: 75px;
    }
    
    .capsule-icon svg {
        width: 42px;
        height: 42px;
    }
    
    .capsule-title {
        font-size: 28px;
    }
    
    .capsule-number {
        font-size: 100px;
    }
    
    /* About Section - Tablet */
    .about-content p {
        font-size: 17px;
        padding: 35px 40px;
        line-height: 2;
    }
    
    .contact-icon {
        width: 75px;
        height: 75px;
    }
    
    .contact-icon svg {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 48px;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        letter-spacing: 1px;
    }
    
    .lang-btn {
        padding: 6px 14px;
        font-size: 12px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    /* Services Radial - Mobile */
    .services-radial {
        min-height: auto;
        flex-direction: column;
        gap: 40px;
        padding: 20px;
    }
    
    .services-center {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin-bottom: 40px;
    }
    
    .center-box {
        width: 200px;
        height: 200px;
    }
    
    .center-box h3 {
        font-size: 22px;
        padding: 20px;
    }
    
    .service-branch {
        position: relative;
        width: 100%;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
    }
    
    .branch-content {
        padding: 20px;
        height: auto;
    }
    
    /* Products Capsule - Mobile */
    .products-stagger {
        gap: 30px;
        padding: 0 15px;
    }
    
    .product-capsule {
        flex-direction: column !important;
        padding: 30px 25px;
        border-radius: 40px;
        gap: 20px;
        text-align: center;
    }
    
    .capsule-left,
    .capsule-right {
        width: 100%;
        margin: 0;
    }
    
    .capsule-left:hover,
    .capsule-right:hover {
        transform: translateY(-10px) !important;
    }
    
    
    .capsule-icon {
        width: 70px;
        height: 70px;
    }
    
    .capsule-icon svg {
        width: 38px;
        height: 38px;
    }
    
    .capsule-title {
        font-size: 24px;
        text-align: center;
    }
    
    .capsule-features {
        justify-content: center;
    }
    
    .capsule-features span {
        font-size: 12px;
        padding: 6px 14px;
    }
    
    .capsule-number {
        font-size: 80px;
        top: auto;
        bottom: 15px;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
    }
    
    .branch-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .branch-header h3 {
        font-size: 18px;
    }
    
    .branch-icon {
        width: 50px;
        height: 50px;
        font-size: 28px;
    }
    
    .product-item {
        padding: 30px 25px;
    }
    
    .product-hexagon {
        font-size: 100px;
        top: 20px;
        right: 20px;
    }
    
    .product-title {
        font-size: 28px;
    }
    
    /* About Section - Mobile */
    .about-content p {
        font-size: 16px;
        padding: 30px 25px;
        line-height: 2;
        letter-spacing: 0.3px;
        text-indent: 2em;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .contact-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 25px;
    }
    
    .contact-icon svg {
        width: 38px;
        height: 38px;
    }
    
    .footer-tagline {
        font-size: 15px;
        letter-spacing: 1.2px;
    }
    
    .footer-logo img {
        height: 45px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 80px 20px;
    }
    
    .hero {
        min-height: 700px;
    }
    
    .hero-title {
        font-size: 36px;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 14px;
        letter-spacing: 0.5px;
    }
    
    .lang-switcher {
        padding: 3px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    /* About Section - Small Mobile */
    .about-content p {
        font-size: 15px;
        padding: 25px 20px;
        line-height: 1.95;
        letter-spacing: 0.2px;
        text-indent: 2em;
    }
    
    .contact-icon {
        width: 65px;
        height: 65px;
        margin-bottom: 20px;
    }
    
    .contact-icon svg {
        width: 35px;
        height: 35px;
    }
    
    .product-item {
        padding: 25px 20px;
    }
    
    .product-hexagon {
        font-size: 80px;
        opacity: 0.3;
    }
    
    .footer-tagline {
        font-size: 13px;
        letter-spacing: 0.8px;
    }
    
    .footer-logo img {
        height: 40px;
    }
}

/* ========================================
   Loading Animation
   ======================================== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading-shimmer {
    animation: shimmer 2s infinite linear;
    background: linear-gradient(to right, 
        rgba(91, 76, 250, 0.1) 0%, 
        rgba(91, 76, 250, 0.3) 50%, 
        rgba(91, 76, 250, 0.1) 100%);
    background-size: 1000px 100%;
}