/* ========================================
   LigninTechnology - Ultimate Visual Effects
   ======================================== */

/* CSS Variables - Light Theme (Default) */
:root {
    --primary: #2D5A3D;
    --primary-light: #3D7A51;
    --primary-dark: #1F3D2A;
    --secondary: #8B6914;
    --accent: #E8B931;
    --accent-hover: #D4A82C;
    --background: #FAFBF9;
    --surface: #FFFFFF;
    --surface-elevated: #FFFFFF;
    --text-primary: #1A1F1C;
    --text-secondary: #4A554F;
    --text-muted: #7A857F;
    --border: rgba(45, 90, 61, 0.12);
    --success: #22C55E;
    --warning: #F59E0B;
    --error: #EF4444;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(45, 90, 61, 0.15);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    
    --cursor-size: 20px;
    --cursor-follower-size: 40px;
}

/* Dark Theme */
[data-theme="dark"] {
    --primary: #4ADE80;
    --primary-light: #86EFAC;
    --primary-dark: #22C55E;
    --secondary: #FBBF24;
    --accent: #FBBF24;
    --accent-hover: #F59E0B;
    --background: #0F172A;
    --surface: #1E293B;
    --surface-elevated: #334155;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --border: rgba(148, 163, 184, 0.1);
    --success: #4ADE80;
    --warning: #FBBF24;
    --error: #F87171;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(74, 222, 128, 0.2);
    
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: var(--transition);
    cursor: none;
    overflow-x: hidden;
}

/* Hide default cursor on desktop */
@media (pointer: fine) {
    * {
        cursor: none !important;
    }
}

/* Show default cursor on touch devices */
@media (pointer: coarse) {
    * {
        cursor: auto !important;
    }
    
    .cursor, .cursor-follower, .cursor-trail {
        display: none !important;
    }
}

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

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

ul {
    list-style: none;
}

/* ========================================
   Custom Cursor
   ======================================== */
.cursor {
    position: fixed;
    width: var(--cursor-size);
    height: var(--cursor-size);
    border: 2px solid var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background-color 0.2s, border-color 0.2s;
    mix-blend-mode: difference;
}

.cursor.hover {
    width: 50px;
    height: 50px;
    background-color: rgba(45, 90, 61, 0.1);
    border-color: transparent;
}

[data-theme="dark"] .cursor {
    border-color: var(--primary-light);
}

[data-theme="dark"] .cursor.hover {
    background-color: rgba(74, 222, 128, 0.2);
}

.cursor-follower {
    position: fixed;
    width: var(--cursor-follower-size);
    height: var(--cursor-follower-size);
    background: radial-gradient(circle, rgba(45, 90, 61, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease-out;
}

[data-theme="dark"] .cursor-follower {
    background: radial-gradient(circle, rgba(74, 222, 128, 0.15) 0%, transparent 70%);
}

/* Cursor Trail */
.cursor-trail {
    position: fixed;
    pointer-events: none;
    z-index: 99997;
}

.trail-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: trail-fade 1s ease-out forwards;
}

[data-theme="dark"] .trail-particle {
    background: var(--primary-light);
}

@keyframes trail-fade {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

/* ========================================
   Preloader
   ======================================== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--background);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-molecule {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.preloader-core {
    position: absolute;
    inset: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    animation: pulse-core 2s ease-in-out infinite;
    box-shadow: var(--shadow-glow);
}

.preloader-ring {
    position: absolute;
    border: 2px solid var(--primary);
    border-radius: 50%;
    opacity: 0.3;
}

.ring-1 { inset: 0; animation: rotate 3s linear infinite; }
.ring-2 { inset: 10px; animation: rotate 3s linear infinite reverse; }
.ring-3 { inset: 30px; border-color: var(--accent); animation: rotate 2s linear infinite; }

@keyframes pulse-core {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.9); opacity: 0.8; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.preloader-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.1em;
    animation: fade-pulse 2s ease-in-out infinite;
}

@keyframes fade-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   Scroll Progress Bar
   ======================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    z-index: 10000;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(45, 90, 61, 0.5);
}

/* ========================================
   Glassmorphism & 3D Tilt
   ======================================== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.glass-dark {
    background: rgba(45, 90, 61, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

[data-theme="dark"] .glass-dark {
    background: rgba(74, 222, 128, 0.15);
    border-color: rgba(74, 222, 128, 0.2);
}

/* 3D Tilt Cards */
.tilt-card {
    transform-style: preserve-3d;
    transform: perspective(1000px);
}

.tilt-card-inner {
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
}

.tilt-card:hover {
    z-index: 10;
}

/* Magnetic Effect */
.magnetic {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========================================
   Shader Canvas
   ======================================== */
.hero-shader {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.6;
}

/* ========================================
   Container
   ======================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: none;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 4px 14px 0 rgba(232, 185, 49, 0.39);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 185, 49, 0.23);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--text-primary);
    box-shadow: 0 4px 14px 0 rgba(232, 185, 49, 0.39);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 185, 49, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

[data-theme="dark"] .btn-outline {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

[data-theme="dark"] .btn-outline:hover {
    background: var(--primary-light);
    color: var(--background);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

[data-theme="dark"] .header {
    background: rgba(15, 23, 42, 0.8);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(45, 90, 61, 0.4);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--surface);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.theme-toggle:hover {
    transform: scale(1.1);
    color: var(--primary);
    box-shadow: var(--shadow);
}

.theme-icon {
    position: absolute;
    transition: var(--transition);
}

.theme-icon.sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-icon.moon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

[data-theme="dark"] .theme-icon.sun {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

[data-theme="dark"] .theme-icon.moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transition: var(--transition);
}

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.lang-switcher:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
}

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

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-nav-link {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.mobile-nav-link:hover {
    background: var(--surface);
    color: var(--primary);
}

.mobile-lang {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
}

.mobile-lang-btn {
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-weight: 600;
    color: var(--primary);
    cursor: none;
    transition: var(--transition);
}

@media (max-width: 1024px) {
    .nav, .header-actions .btn-primary {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--background) 0%, #F0F4F1 50%, #E8F0EA 100%);
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--background) 0%, #1E293B 50%, #0F172A 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.hero-blob-1 {
    width: 600px;
    height: 600px;
    background: rgba(45, 90, 61, 0.15);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-blob-2 {
    width: 500px;
    height: 500px;
    background: rgba(232, 185, 49, 0.2);
    bottom: -50px;
    left: -50px;
    animation-delay: -4s;
}

[data-theme="dark"] .hero-blob-1 {
    background: rgba(74, 222, 128, 0.1);
}

[data-theme="dark"] .hero-blob-2 {
    background: rgba(251, 191, 36, 0.15);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(45, 90, 61, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45, 90, 61, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
    animation: grid-move 20s linear infinite;
}

[data-theme="dark"] .hero-grid {
    background-image: 
        linear-gradient(rgba(74, 222, 128, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 222, 128, 0.05) 1px, transparent 1px);
}

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

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    z-index: 2;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(45, 90, 61, 0.1);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.hero-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

[data-theme="dark"] .hero-badge {
    background: rgba(74, 222, 128, 0.1);
    color: var(--primary);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 0 0 rgba(45, 90, 61, 0.7);
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(45, 90, 61, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(45, 90, 61, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(45, 90, 61, 0);
    }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--primary-light) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.hero-stat:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
    min-height: 500px;
}

/* Hero Image Container */
.hero-image-container {
    position: relative;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 
        0 0 0 4px rgba(45, 90, 61, 0.1),
        0 20px 60px rgba(0, 0, 0, 0.3),
        0 0 100px rgba(45, 90, 61, 0.2);
    animation: image-float 6s ease-in-out infinite;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-image-container:hover {
    transform: scale(1.02);
    box-shadow: 
        0 0 0 6px rgba(45, 90, 61, 0.15),
        0 30px 80px rgba(0, 0, 0, 0.4),
        0 0 120px rgba(45, 90, 61, 0.3);
}

@keyframes image-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

.hero-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.hero-image-container:hover .hero-main-image {
    transform: scale(1.1);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(45, 90, 61, 0.1) 0%,
        transparent 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    pointer-events: none;
}

/* Orbiting badges */
.orbit-badge {
    position: absolute;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow);
    z-index: 10;
    animation: orbit 20s linear infinite;
}

.orbit-badge.oh {
    background: var(--accent);
    color: var(--text-primary);
    top: 50px;
    right: 80px;
}

.orbit-badge.co {
    background: rgba(45, 90, 61, 0.9);
    color: white;
    bottom: 80px;
    left: 50px;
    animation-direction: reverse;
    animation-delay: -10s;
}

.orbit-badge.bk {
    background: rgba(66, 57, 24, 0.9);
    color: white;
    bottom: 80px;
    left: 50px;
    animation-direction: reverse;
    animation-delay: -15s;
}

@keyframes orbit {
    from { transform: rotate(0deg) translateX(200px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(200px) rotate(-360deg); }
}

/* Hero Cards positioning */
.hero-card {
    position: absolute;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    z-index: 3;
    transition: var(--transition-slow);
    min-width: 160px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.hero-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.hero-card-1 {
    bottom: 60px;
    right: 0px;
}

.hero-card-2 {
    top: 60px;
    left: 0px;
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-primaryprimary);
    margin-bottom: 0.25rem;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.card-value span {
    font-size: 0.875rem;
    font-weight: 400;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary);
    animation: bounce 2s infinite;
    z-index: 2;
    transition: var(--transition);
}

.scroll-indicator:hover {
    transform: translateX(-50%) scale(1.2);
    color: var(--accent);
}

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

@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-image-container {
        width: 300px;
        height: 300px;
    }
    
    @keyframes orbit {
        from { transform: rotate(0deg) translateX(150px) rotate(0deg); }
        to { transform: rotate(360deg) translateX(150px) rotate(-360deg); }
    }
    
    .hero-card-1 {
        bottom: 20px;
        right: -20px;
    }
    
    .hero-card-2 {
        top: 20px;
        left: -20px;
    }
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

/* ========================================
   Products Section
   ======================================== */
.products {
    padding: 100px 0;
    background: var(--surface);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card {
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-slow);
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(45, 90, 61, 0.03) 100%);
    opacity: 0;
    transition: var(--transition);
}

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

.product-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.product-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent), var(--shadow-lg);
    transform: scale(1.02);
}

.product-card.featured:hover {
    transform: scale(1.02) translateY(-10px);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--accent);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 9999px;
    box-shadow: var(--shadow);
    animation: badge-pulse 2s infinite;
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232, 185, 49, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(232, 185, 49, 0); }
}

.product-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.product-card:hover .product-icon {
    transform: scale(1.2) rotate(10deg);
    box-shadow: 0 0 30px rgba(45, 90, 61, 0.4);
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.product-params {
    margin-bottom: 1.5rem;
}

.param {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.param:hover {
    padding-left: 0.5rem;
    color: var(--primary);
}

.param:last-child {
    border-bottom: none;
}

.param-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.param-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.product-industries {
    margin-bottom: 1.5rem;
}

.industries-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: block;
}

.industries-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.625rem;
    background: rgba(45, 90, 61, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

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

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .products {
        padding: 60px 0;
    }
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 100px 0;
    background: var(--background);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content .section-title {
    text-align: left;
}

.about-content .section-title::after {
    left: 0;
    transform: none;
}

.about-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.advantages {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advantage {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius);
    transition: var(--transition-slow);
}

.advantage:hover {
    background: var(--surface);
    transform: translateX(10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 48px;
    height: 48px;
    background: rgba(45, 90, 61, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.advantage:hover .advantage-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.2) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

.advantage-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.advantage-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-slow);
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
    line-height: 1;
    transition: var(--transition);
}

.stat-card:hover .stat-value {
    transform: scale(1.1);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Features Box */
.features-box {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    color: white;
    transition: var(--transition-slow);
}

.features-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.features-box h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: rgba(12, 12, 12, 0.9);
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.features-list li:hover {
    transform: translateX(10px);
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.features-list svg {
    color: var(--accent);
    flex-shrink: 0;
    transition: var(--transition);
}

.features-list li:hover svg {
    transform: scale(1.2) rotate(10deg);
}

@media (max-width: 1024px) {
    .about-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-content .section-title {
        text-align: center;
    }
    
    .about-content .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-text {
        text-align: center;
    }
}

@media (max-width: 640px) {
    .about {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Tech Specs Section
   ======================================== */
.tech-specs {
    padding: 100px 0;
    background: var(--surface);
}

/* Tabs */
.tabs-list {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--radius);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: none;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.tab-btn:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.tab-btn.active {
    color: white;
    box-shadow: var(--shadow);
}

.tab-btn.active::before {
    opacity: 1;
}

[data-theme="dark"] .tab-btn.active {
    box-shadow: 0 0 20px rgba(74, 222, 128, 0.3);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.specs-card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-slow);
}

.specs-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.specs-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table td {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    transition: var(--transition);
}

.specs-table tr:hover td {
    background: rgba(45, 90, 61, 0.02);
    padding-left: 0.5rem;
    color: var(--primary);
}

.specs-table td:first-child {
    color: var(--text-secondary);
}

.specs-table td:last-child {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

.specs-table tr:last-child td {
    border-bottom: none;
}

.specs-side {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.specs-list {
    display: flex;
    flex-direction: column;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    transition: var(--transition);
}

.spec-item:hover {
    padding-left: 0.5rem;
    color: var(--primary);
    transform: translateX(5px);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-item span:first-child {
    color: var(--text-secondary);
}

.spec-item span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

.specs-card-dark {
    color: white;
}

.specs-card-dark h3 {
    color: white;
}

.application-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.application-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.application-list li:hover {
    transform: translateX(10px);
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.application-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
    box-shadow: 0 0 10px var(--accent);
}

/* Documents Grid */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.document-card {
    display: flex;
    gap: 1rem;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-slow);
}

.document-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.document-icon {
    width: 48px;
    height: 48px;
    background: rgba(45, 90, 61, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.document-card:hover .document-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.2) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

.document-icon-award {
    color: var(--accent);
}

.document-card:hover .document-icon-award {
    background: var(--accent);
    color: var(--text-primary);
}

.document-info {
    flex: 1;
    min-width: 0;
}

.document-info h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    transition: var(--transition);
}

.document-card:hover .document-info h4 {
    color: var(--primary);
}

.document-info p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.document-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.document-meta span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-download {
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
    cursor: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-download::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(45, 90, 61, 0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    z-index: -1;
}

.btn-download:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

@media (max-width: 1024px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .documents-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .tech-specs {
        padding: 60px 0;
    }
    
    .tabs-list {
        flex-wrap: wrap;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Applications Section
   ======================================== */
.applications {
    padding: 100px 0;
    background: var(--background);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.application-card {
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-slow);
}

.application-card:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.application-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

.application-card:hover .application-icon {
    transform: scale(1.2) rotate(15deg);
    box-shadow: 0 0 30px rgba(45, 90, 61, 0.4);
}

.application-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.application-card:hover h4 {
    color: var(--primary);
}

.application-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

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

@media (max-width: 640px) {
    .applications {
        padding: 60px 0;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Calculators Section
   ======================================== */
.calculators {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--background) 0%, #F0F4F1 100%);
}

[data-theme="dark"] .calculators {
    background: linear-gradient(135deg, var(--background) 0%, #1E293B 100%);
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.calculator-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
}

.calculator-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.calculator-card.featured {
    border: 2px solid var(--accent);
    box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg);
    transform: scale(1.03);
}

.calculator-card.featured:hover {
    transform: scale(1.03) translateY(-10px);
    box-shadow: 0 0 30px rgba(232, 185, 49, 0.3), var(--shadow-xl);
}

.calculator-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.calculator-icon {
    width: 40px;
    height: 40px;
    background: rgba(45, 90, 61, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: var(--transition);
}

.calculator-card:hover .calculator-icon {
    transform: scale(1.2) rotate(10deg);
    background: var(--primary);
    color: white;
}

.calculator-icon-accent {
    background: rgba(232, 185, 49, 0.2);
    color: var(--secondary);
}

.calculator-card:hover .calculator-icon-accent {
    background: var(--accent);
    color: var(--text-primary);
}

.calculator-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.calculator-body {
    padding: 1.5rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.slider {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    cursor: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    cursor: none;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(45, 90, 61, 0.3);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.3);
    box-shadow: 0 0 0 8px rgba(45, 90, 61, 0.15);
}

.select {
    width: 100%;
    padding: 0.625rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: none;
    transition: var(--transition);
}

.select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

/* Result Box */
.result-box {
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    text-align: center;
    transition: var(--transition);
}

.result-box:hover {
    transform: scale(1.05);
}

.result-label {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.25rem;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.result-unit {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.8;
}

/* Results List */
.results-list {
    margin-bottom: 1.25rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    transition: var(--transition);
}

.result-row:hover {
    padding-left: 0.5rem;
    color: var(--primary);
}

.result-row:last-child {
    border-bottom: none;
}

.result-row span:first-child {
    color: var(--text-secondary);
}

.result-row span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

.text-success {
    color: var(--success);
}

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

@media (max-width: 640px) {
    .calculators {
        padding: 60px 0;
    }
    
    .calculators-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    animation: bg-pan 60s linear infinite;
}

@keyframes bg-pan {
    0% { background-position: 0 0; }
    100% { background-position: 100px 100px; }
}

.contact-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius);
    transition: var(--transition-slow);
}

.contact-item:hover {
    transform: translateX(10px) scale(1.02);
    background: rgba(255, 255, 255, 0.1);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--accent);
    color: var(--text-primary);
    transform: scale(1.2) rotate(10deg);
    box-shadow: 0 0 20px rgba(232, 185, 49, 0.4);
}

.contact-label {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1rem;
    color: white;
    transition: var(--transition);
}

.contact-value:hover {
    color: var(--accent);
}

/* Messengers */
.messengers {
    margin-top: 2rem;
}

.messengers-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1rem;
}

.messengers-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.messenger-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    transition: var(--transition);
}

.messenger-whatsapp {
    background: #25D366;
}

.messenger-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.messenger-telegram {
    background: #0088cc;
}

.messenger-telegram:hover {
    background: #006699;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 136, 204, 0.3);
}

.messenger-linkedin {
    background: #0A66C2;
}

.messenger-linkedin:hover {
    background: #004182;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(10, 102, 194, 0.3);
}

/* Contact Form */
.contact-form-wrapper {
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-slow);
}

.contact-form-wrapper:hover {
    box-shadow: var(--shadow-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form .form-group {
    margin-bottom: 0;
}

.contact-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: var(--transition);
    cursor: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
    transform: translateY(-2px);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Success */
.form-success {
    display: none;
    text-align: center;
    padding: 2rem 0;
}

.form-success.active {
    display: block;
    animation: success-pop 0.5s ease;
}

@keyframes success-pop {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.success-icon {
    width: 64px;
    height: 64px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    margin: 0 auto 1rem;
    animation: success-icon-pulse 2s infinite;
}

@keyframes success-icon-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(34, 197, 94, 0); }
}

.form-success h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-success p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 640px) {
    .contact {
        padding: 60px 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 30px;
}

[data-theme="dark"] .footer {
    background: #020617;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo .logo-text {
    color: white;
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 1rem 0 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 20px rgba(45, 90, 61, 0.3);
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    position: relative;
    display: inline-block;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: var(--transition);
}

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

.footer-links a:hover::before {
    width: 100%;
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contacts li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.footer-contacts li:hover {
    color: white;
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.05);
}

.footer-contacts svg {
    color: var(--primary-light);
    flex-shrink: 0;
    transition: var(--transition);
}

.footer-contacts li:hover svg {
    color: var(--accent);
    transform: scale(1.2);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-legal a:hover {
    color: white;
}

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

@media (max-width: 640px) {
    .footer {
        padding: 60px 0 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-light) 0%, var(--accent) 100%);
}

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

[data-theme="dark"] ::selection {
    background: var(--primary-light);
    color: var(--background);
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ========================================
   Product Details Page (Briquettes)
   ======================================== */
.product-details-page {
    padding-top: 100px;
}

.hero-product {
    padding: 60px 0 40px;
    text-align: center;
    position: relative;
}

.hero-product-inner {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 60px;
}

/* Gallery */
.gallery-main {
    width: 100%;
    height: 450px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    margin-bottom: 1rem;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-main:hover img {
    transform: scale(1.05);
}

.gallery-thumbs {
    display: flex;
    gap: 1rem;
}

.thumb {
    width: 100px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: none;
    opacity: 0.6;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.thumb:hover, .thumb.active-thumb {
    opacity: 1;
    border-color: var(--accent);
}

/* Pricing Card */
.pricing-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

.price-display {
    margin: 2rem 0;
}

.price-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.5rem;
}

.price-value {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--accent);
}

.price-value .currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.price-value .price-unit {
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    display: block;
    margin-top: 0.25rem;
}

/* Video Section */
.product-video-section {
    padding: 60px 0 100px;
    background: var(--surface);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
}

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

.video-cover {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 2;
    transition: var(--transition);
}

.video-container:hover .video-overlay {
    background: rgba(0,0,0,0.2);
}

.play-btn {
    position: relative;
    z-index: 3;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--text-primary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 0 rgba(232, 185, 49, 0.7);
    animation: play-pulse 2s infinite;
    transition: var(--transition);
}

.play-btn:hover {
    transform: scale(1.1);
    background: var(--accent-hover);
}

@keyframes play-pulse {
    0% { box-shadow: 0 0 0 0 rgba(232, 185, 49, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(232, 185, 49, 0); }
    100% { box-shadow: 0 0 0 0 rgba(232, 185, 49, 0); }
}

@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    .gallery-main {
        height: 350px;
    }
}

/* ========================================
   Product Extra Info (Logistics, Payment, etc.)
   ======================================== */
.product-extra-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
}

.extra-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
}

.extra-icon {
    width: 48px;
    height: 48px;
    background: rgba(45, 90, 61, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: var(--transition);
}

.extra-card:hover .extra-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

[data-theme="dark"] .extra-icon {
    background: rgba(74, 222, 128, 0.1);
    color: var(--primary);
}

[data-theme="dark"] .extra-card:hover .extra-icon {
    background: var(--primary);
    color: var(--background);
}

.extra-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.extra-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.extra-list {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.extra-list li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative;
    padding-left: 1.25rem;
}

.extra-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.4rem;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.extra-list li strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.15rem;
}

.extra-list a {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

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

/* Адаптивность для мобильных экранов */
@media (max-width: 1024px) {
    .product-extra-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ========================================
   Messenger Icons for Extra Info Cards
   ======================================== */
.messengers-inline {
    display: flex;
    flex-direction: column;
}

.messenger-icons {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.msg-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white !important;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.msg-icon:hover {
    transform: translateY(-3px) scale(1.1) !important;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.msg-tg {
    background: #0088cc;
}

.msg-tg:hover {
    box-shadow: 0 6px 15px rgba(0, 136, 204, 0.3);
}

.msg-vb {
    background: #7360f2;
}

.msg-vb:hover {
    box-shadow: 0 6px 15px rgba(115, 96, 242, 0.3);
}

.msg-wa {
    background: #25D366;
}

.msg-wa:hover {
    box-shadow: 0 6px 15px rgba(37, 211, 102, 0.3);
}

/* ========================================
   Исправление читаемости табов (Pricing Module)
   ======================================== */
.glass-dark .tab-btn {
    color: rgba(255, 255, 255, 0.7); /* Светло-серый текст для неактивных кнопок */
}

.glass-dark .tab-btn:hover {
    color: #ffffff; /* Белый текст при наведении */
}

.glass-dark .tab-btn.active {
    color: #ffffff; /* Белый текст для активной кнопки */
}