/**
 * Smart Web Solutions - Global Design System
 * Enterprise-Grade B2B Web Design
 * Mobile-First Architecture
 */

/* ============================================
   ROOT VARIABLES - Design Tokens (Dark Theme Default)
   ============================================ */
:root {
    /* Primary Colors - Premium Tech Blue */
    --color-primary-dark: #061525;
    --color-primary-base: #1E5DB8;
    --color-primary-light: #2B7FE5;
    --color-primary-glow: #4BA0FF;
    
    /* Secondary Colors - Premium Accent */
    --color-secondary-light: #0a1929;
    --color-secondary-base: #0d2847;
    --color-secondary-dark: #061525;
    
    /* Neutral Colors - Dark Theme */
    --color-white: #FFFFFF;
    --color-gray-50: #0a1525;
    --color-gray-100: #0d1f3c;
    --color-gray-200: #132d54;
    --color-gray-300: #1a3d6e;
    --color-gray-400: #4a7ab5;
    --color-gray-500: #7aa3d4;
    --color-gray-600: #a5c4e8;
    --color-gray-700: #c5daf0;
    --color-gray-800: #e0ecf7;
    --color-gray-900: #f5f9ff;
    
    /* Text Colors - Dark Theme */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.75);
    --color-text-light: rgba(255, 255, 255, 0.6);
    --color-text-inverse: #061525;
    
    /* Background Colors */
    --color-body-bg: linear-gradient(180deg, #030a15 0%, #061525 20%, #0a1f3d 50%, #0d2847 100%);
    --color-section-alt: rgba(255, 255, 255, 0.03);
    --color-card-bg: rgba(255, 255, 255, 0.05);
    --color-card-border: rgba(255, 255, 255, 0.1);
    --color-nav-bg: rgba(6, 21, 37, 0.85);
    --color-nav-scrolled: rgba(6, 21, 37, 0.95);
    
    /* Glassmorphism Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-border-hover: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --premium-glow: 0 0 40px rgba(30, 93, 184, 0.4);
    --premium-gradient: linear-gradient(135deg, #1e5db8 0%, #2b7fe5 50%, #4ba0ff 100%);
    
    /* Particle & Tech-Line Colors */
    --particle-color: #4ba0ff;
    --techline-color: rgba(75, 160, 255, 0.25);
    
    /* Spacing Scale */
    --space-xs: 0.25rem;    /* 4px */
    --space-sm: 0.5rem;     /* 8px */
    --space-md: 1rem;       /* 16px */
    --space-lg: 1.5rem;     /* 24px */
    --space-xl: 2rem;       /* 32px */
    --space-2xl: 3rem;      /* 48px */
    --space-3xl: 4rem;      /* 64px */
    --space-4xl: 6rem;      /* 96px */
    --space-5xl: 8rem;      /* 128px */
    
    /* Typography Scale */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    --font-size-6xl: 3.75rem;   /* 60px */
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Border Radius */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows - Dark Theme */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ============================================
   LIGHT THEME VARIABLES
   ============================================ */
[data-theme="light"] {
    /* Primary Colors - Same Brand Identity */
    --color-primary-dark: #0d3a7a;
    --color-primary-base: #1E5DB8;
    --color-primary-light: #2B7FE5;
    --color-primary-glow: #4BA0FF;
    
    /* Secondary Colors - Light Theme */
    --color-secondary-light: #E8F4FD;
    --color-secondary-base: #D0E8FA;
    --color-secondary-dark: #B8DCF7;
    
    /* Neutral Colors - Light Theme */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    
    /* Text Colors - Light Theme */
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-light: #64748B;
    --color-text-inverse: #FFFFFF;
    
    /* Background Colors - Light Theme */
    --color-body-bg: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 30%, #FFFFFF 60%, #E8F4FD 100%);
    --color-section-alt: rgba(241, 245, 249, 0.5);
    --color-card-bg: #FFFFFF;
    --color-card-border: #E2E8F0;
    --color-nav-bg: rgba(255, 255, 255, 0.9);
    --color-nav-scrolled: rgba(255, 255, 255, 0.98);
    
    /* Glassmorphism Effects - Light Theme */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    --glass-border: 1px solid rgba(30, 93, 184, 0.12);
    --glass-border-hover: 1px solid rgba(30, 93, 184, 0.25);
    --glass-shadow: 0 8px 32px rgba(30, 93, 184, 0.08);
    --premium-glow: 0 0 40px rgba(30, 93, 184, 0.15);
    
    /* Particle & Tech-Line Colors - Light Theme */
    --particle-color: #1E5DB8;
    --techline-color: rgba(30, 93, 184, 0.15);
    
    /* Shadows - Light Theme */
    --shadow-sm: 0 1px 2px 0 rgba(30, 93, 184, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(30, 93, 184, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(30, 93, 184, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(30, 93, 184, 0.12);
    --shadow-2xl: 0 25px 50px -12px rgba(30, 93, 184, 0.15);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-body-bg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    overflow-x: hidden;
    min-height: 100vh;
    transition: background 0.4s ease, color 0.3s ease;
}

/* Light Theme Body Background */
[data-theme="light"] body {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 30%, #FFFFFF 60%, #E8F4FD 100%);
}

/* ============================================
   TECH-LINES & PARTICLE OVERLAY (GLOBAL)
   ============================================ */
.background-techlines-overlay {
    pointer-events: none;
    position: fixed;
    z-index: 0;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.background-techlines-overlay .chrome-gloss {
    position: absolute;
    pointer-events: none;
    z-index: 1;
    border-radius: 18px;
    opacity: 0.2;
    filter: blur(1px);
}
.background-techlines-overlay .chrome-gloss.g1 {
    top: 0;
    left: 0;
    width: 38vw;
    height: 7vh;
    background: linear-gradient(100deg, rgba(75, 160, 255, 0.25) 0%, rgba(75, 160, 255, 0.05) 80%, transparent 100%);
}
.background-techlines-overlay .chrome-gloss.g2 {
    top: 18vh;
    right: 0;
    width: 22vw;
    height: 4vh;
    background: linear-gradient(90deg, transparent 0%, rgba(75, 160, 255, 0.15) 60%, transparent 100%);
}
.background-techlines-overlay .chrome-gloss.g3 {
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 6vh;
    background: linear-gradient(0deg, rgba(75, 160, 255, 0.1) 0%, transparent 100%);
}

/* Light Theme - Tech Lines & Particles */
[data-theme="light"] .background-techlines-overlay .chrome-gloss.g1 {
    background: linear-gradient(100deg, rgba(30, 93, 184, 0.15) 0%, rgba(30, 93, 184, 0.03) 80%, transparent 100%);
}
[data-theme="light"] .background-techlines-overlay .chrome-gloss.g2 {
    background: linear-gradient(90deg, transparent 0%, rgba(30, 93, 184, 0.1) 60%, transparent 100%);
}
[data-theme="light"] .background-techlines-overlay .chrome-gloss.g3 {
    background: linear-gradient(0deg, rgba(30, 93, 184, 0.08) 0%, transparent 100%);
}
[data-theme="light"] .background-techlines-overlay .particle {
    background: radial-gradient(circle, #1E5DB8 0%, #2B7FE5 100%);
    box-shadow: 0 0 12px 4px rgba(30, 93, 184, 0.25), 0 0 4px 1px rgba(30, 93, 184, 0.5);
}
[data-theme="light"] .background-techlines-overlay .tech-line {
    background: linear-gradient(100deg, transparent 0%, rgba(30, 93, 184, 0.06) 10%, rgba(30, 93, 184, 0.15) 50%, rgba(30, 93, 184, 0.06) 90%, transparent 100%);
    box-shadow: 0 0 30px 4px rgba(30, 93, 184, 0.08);
}
}

.background-techlines-overlay .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, #4ba0ff 0%, #2b7fe5 100%);
    border-radius: 50%;
    opacity: 0.5;
    box-shadow: 0 0 12px 4px rgba(75, 160, 255, 0.4), 0 0 4px 1px rgba(75, 160, 255, 0.8);
    filter: blur(0.2px);
}
.background-techlines-overlay .particle.p1 { top: 12vh; left: 18vw; }
.background-techlines-overlay .particle.p2 { top: 22vh; left: 62vw; opacity: 0.22; }
.background-techlines-overlay .particle.p3 { top: 38vh; left: 44vw; opacity: 0.32; }
.background-techlines-overlay .particle.p4 { top: 55vh; left: 80vw; opacity: 0.18; }
.background-techlines-overlay .particle.p5 { top: 68vh; left: 28vw; opacity: 0.28; }
.background-techlines-overlay .particle.p6 { top: 77vh; left: 70vw; opacity: 0.19; }
.background-techlines-overlay .particle.p7 { top: 82vh; left: 12vw; opacity: 0.25; }
.background-techlines-overlay .particle.p8 { top: 33vh; left: 88vw; opacity: 0.16; }
}

.background-techlines-overlay .tech-line {
    position: absolute;
    width: 120vw;
    height: 2px;
    background: linear-gradient(100deg, transparent 0%, rgba(75, 160, 255, 0.08) 10%, rgba(75, 160, 255, 0.25) 50%, rgba(75, 160, 255, 0.08) 90%, transparent 100%);
    box-shadow: 0 0 30px 4px rgba(75, 160, 255, 0.15);
    border-radius: 2px;
    opacity: 0.6;
    filter: blur(0.5px);
    transform: rotate(-28deg);
}
.background-techlines-overlay .tech-line.tl1 {
    top: 8vh;
    right: -10vw;
}
.background-techlines-overlay .tech-line.tl2 {
    top: 22vh;
    right: -5vw;
    opacity: 0.35;
    filter: blur(1.2px);
}
.background-techlines-overlay .tech-line.tl3 {
    top: 38vh;
    right: 0vw;
    opacity: 0.22;
    filter: blur(2.2px);
}
.background-techlines-overlay .tech-line.tl4 {
    top: 60vh;
    right: -8vw;
    opacity: 0.18;
    filter: blur(2.8px);
}
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    transition: color 0.3s ease;
}

h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 60%, #a5e8f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

/* Light Theme H1 */
[data-theme="light"] h1 {
    background: linear-gradient(135deg, #0F172A 0%, #1E5DB8 60%, #2B7FE5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(30, 93, 184, 0.15));
}

h2 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
    color: var(--color-text-primary);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Light Theme H2 */
[data-theme="light"] h2 {
    text-shadow: 0 2px 8px rgba(30, 93, 184, 0.08);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

a {
    color: var(--color-primary-glow);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

/* Light Theme Links */
[data-theme="light"] a {
    color: var(--color-primary-base);
}
[data-theme="light"] a:hover {
    color: var(--color-primary-dark);
}

a:focus {
    outline: 2px solid var(--color-primary-base);
    outline-offset: 2px;
}

strong, b {
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}

.container-wide {
    max-width: 1440px;
}

.container-narrow {
    max-width: 960px;
}

.section {
    padding-top: 96px;
    padding-bottom: 96px;
}

.section-sm {
    padding-top: 64px;
    padding-bottom: 64px;
}

/* ============================================
   NAVIGATION - Sticky Header
   ============================================ */
.navigation {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--color-nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    z-index: 1020;
    transition: all 250ms ease-in-out;
}

.navigation.scrolled {
    background: var(--color-nav-scrolled);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Light Theme Navigation */
[data-theme="light"] .navigation {
    border-bottom: 1px solid rgba(30, 93, 184, 0.1);
    box-shadow: 0 4px 24px rgba(30, 93, 184, 0.08);
}
[data-theme="light"] .navigation.scrolled {
    box-shadow: 0 8px 32px rgba(30, 93, 184, 0.12);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    max-width: 1440px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all 250ms ease;
}

.nav-logo:hover {
    color: var(--color-primary-glow);
    transform: translateY(-2px);
}

/* Light Theme Logo */
[data-theme="light"] .nav-logo:hover {
    color: var(--color-primary-base);
}

.nav-logo img,
.nav-logo-img {
    height: 72px;
    width: 72px;
    object-fit: contain;
    filter: drop-shadow(0 2px 12px rgba(30, 93, 184, 0.35));
    transition: all 0.3s ease;
}

.nav-logo:hover .nav-logo-img {
    filter: drop-shadow(0 4px 20px rgba(75, 160, 255, 0.5));
    transform: scale(1.05);
}

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--space-xl);
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 250ms ease-in-out;
}

.nav-menu a:hover {
    background-color: var(--glass-bg-hover);
    color: var(--color-text-primary);
}

.nav-menu a.active {
    color: var(--color-primary-glow);
    background-color: rgba(75, 160, 255, 0.15);
}

/* Light Theme Nav Menu */
[data-theme="light"] .nav-menu a.active {
    color: var(--color-primary-base);
    background-color: rgba(30, 93, 184, 0.1);
}

.nav-cta {
    display: none;
}

/* ============================================
   THEME TOGGLE BUTTON - Premium Corporate Style
   ============================================ */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--glass-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-primary-glow);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(75, 160, 255, 0.25);
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sun Icon (shown in dark mode) */
.theme-toggle .sun-icon {
    color: #4ba0ff;
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
    color: var(--color-primary-base);
}

/* Light Theme Toggle */
[data-theme="light"] .theme-toggle {
    background: rgba(30, 93, 184, 0.08);
    border-color: rgba(30, 93, 184, 0.2);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(30, 93, 184, 0.12);
    border-color: var(--color-primary-base);
    box-shadow: 0 4px 20px rgba(30, 93, 184, 0.15);
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: block;
}

/* Theme Toggle Animation */
.theme-toggle:hover svg {
    transform: rotate(15deg) scale(1.1);
}

/* Mobile Theme Toggle in Nav Menu */
.nav-mobile-menu .theme-toggle {
    width: 100%;
    height: auto;
    padding: var(--space-md);
    justify-content: center;
    gap: var(--space-sm);
    border-radius: var(--radius-md);
}

.nav-mobile-menu .theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* Theme labels for mobile */
.theme-label-dark {
    display: inline;
}
.theme-label-light {
    display: none;
}

[data-theme="light"] .theme-label-dark {
    display: none;
}
[data-theme="light"] .theme-label-light {
    display: inline;
}

.nav-mobile-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--color-text-primary);
}

.nav-mobile-toggle svg {
    width: 24px;
    height: 24px;
}

/* Mobile Menu */
.nav-mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-nav-scrolled);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-xl);
    padding: var(--space-md);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

.nav-mobile-menu.active {
    display: block;
}

/* Light Theme Mobile Menu */
[data-theme="light"] .nav-mobile-menu {
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid rgba(30, 93, 184, 0.1);
}

.nav-mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-mobile-menu li {
    margin-bottom: var(--space-xs);
}

.nav-mobile-menu a {
    display: block;
    padding: var(--space-md);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all 0.2s ease;
}

.nav-mobile-menu a:hover,
.nav-mobile-menu a:active {
    background-color: var(--glass-bg-hover);
    color: var(--color-text-primary);
}

/* Mobile menu divider for theme toggle */
.nav-mobile-menu li[style*="border-top"] {
    margin-top: var(--space-md) !important;
    padding-top: var(--space-md) !important;
}

/* Mobile Menu CTA Button */
.nav-mobile-menu .btn-primary {
    margin-top: var(--space-sm);
    padding: var(--space-md);
    font-size: var(--font-size-base);
}

/* Mobile Menu Divider */
.mobile-menu-divider {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-card-border);
}

[data-theme="light"] .mobile-menu-divider {
    border-top-color: rgba(30, 93, 184, 0.1);
}

/* ============================================
   BUTTONS - Chrome Effect
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 250ms ease-in-out;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #1e5db8 0%, #2b7fe5 50%, #4ba0ff 100%);
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(30, 93, 184, 0.4), 0 0 40px rgba(75, 160, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    font-weight: 600;
    letter-spacing: -0.2px;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: rotate(45deg);
    transition: all 350ms ease-in-out;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(30, 93, 184, 0.5), 0 0 60px rgba(75, 160, 255, 0.3);
}

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

.btn-primary:active {
    transform: translateY(-1px);
}

/* Light Theme Primary Button */
[data-theme="light"] .btn-primary {
    background: linear-gradient(135deg, #1e5db8 0%, #2b7fe5 50%, #4ba0ff 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 16px rgba(30, 93, 184, 0.3), 0 0 40px rgba(75, 160, 255, 0.1);
    border: 1px solid rgba(30, 93, 184, 0.2);
}

[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 8px 32px rgba(30, 93, 184, 0.4), 0 0 60px rgba(75, 160, 255, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    font-weight: 600;
    letter-spacing: -0.2px;
    backdrop-filter: blur(10px);
}

/* Light Theme Secondary Button */
[data-theme="light"] .btn-secondary {
    background: rgba(30, 93, 184, 0.85);
    color: #ffffff !important;
    border: 1px solid rgba(30, 93, 184, 0.5);
    box-shadow: 0 4px 16px rgba(30, 93, 184, 0.2);
}

[data-theme="light"] .btn-secondary:hover {
    background: rgba(30, 93, 184, 0.95);
    color: #ffffff !important;
    border-color: rgba(30, 93, 184, 0.6);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-gray-300);
}

.btn-ghost:hover {
    border-color: var(--color-primary-base);
    color: var(--color-primary-base);
    background: var(--color-secondary-light);
}

.btn-lg {
    padding: 14px 40px;
    font-size: 16px;
}

.btn-sm {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   CARDS - Glassmorphism
   ============================================ */
.card {
    background: var(--color-card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-card-border);
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl), var(--premium-glow);
    border-color: rgba(75, 160, 255, 0.3);
}

/* Light Theme Cards */
[data-theme="light"] .card {
    background: var(--color-card-bg);
    box-shadow: 0 4px 24px rgba(30, 93, 184, 0.06);
    border: 1px solid var(--color-card-border);
}

[data-theme="light"] .card:hover {
    box-shadow: 0 12px 40px rgba(30, 93, 184, 0.12), 0 0 40px rgba(30, 93, 184, 0.08);
    border-color: rgba(30, 93, 184, 0.25);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: var(--glass-border);
}

.card-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(30, 93, 184, 0.2) 0%, rgba(75, 160, 255, 0.15) 100%);
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(30, 93, 184, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(75, 160, 255, 0.2);
}

/* Light Theme Card Icon */
[data-theme="light"] .card-icon {
    background: linear-gradient(135deg, rgba(30, 93, 184, 0.12) 0%, rgba(43, 127, 229, 0.08) 100%);
    box-shadow: 0 4px 16px rgba(30, 93, 184, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(30, 93, 184, 0.15);
}

.card-icon svg,
.card-icon img {
    width: 36px;
    height: 36px;
    color: var(--color-primary-glow);
}

[data-theme="light"] .card-icon svg,
[data-theme="light"] .card-icon img {
    color: var(--color-primary-base);
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.2px;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid {
    display: grid;
    gap: 28px;
    max-width: 1280px;
    margin: 0 auto;
}

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

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   FOOTER - Minimalistisch
   ============================================ */
.footer {
    background: linear-gradient(180deg, rgba(3, 10, 21, 0.95) 0%, #030a15 100%);
    color: var(--color-text-primary);
    padding: var(--space-xl) 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
}

.footer-minimal {
    padding: var(--space-lg) 16px;
}

/* Light Theme Footer */
[data-theme="light"] .footer {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border-top: 1px solid rgba(30, 93, 184, 0.08);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(75, 160, 255, 0.3), transparent);
}

[data-theme="light"] .footer::before {
    background: linear-gradient(90deg, transparent, rgba(30, 93, 184, 0.15), transparent);
}

/* Minimalistischer Footer - Simple Layout */
.footer-simple {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: nowrap;
    flex-direction: row;
    height: auto;
    min-height: 48px;
}

@media (max-width: 480px) {
    .footer-simple {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
}

.footer-simple a {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color 0.25s ease;
    padding: var(--space-xs) var(--space-sm);
}

.footer-simple a:hover {
    color: var(--color-primary-glow);
}

[data-theme="light"] .footer-simple a {
    color: var(--color-text-secondary);
}

[data-theme="light"] .footer-simple a:hover {
    color: var(--color-primary-base);
}

.footer-divider {
    color: var(--color-text-light);
    opacity: 0.5;
    user-select: none;
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

[data-theme="light"] .footer-divider {
    color: var(--color-text-secondary);
}

/* Cookie Settings Button in Footer */
.footer-cookie-btn {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    transition: color 0.25s ease;
    line-height: 1.5;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    margin: 0;
    height: auto;
}

.footer-cookie-btn:hover {
    color: var(--color-primary-glow);
}

[data-theme="light"] .footer-cookie-btn {
    color: var(--color-text-secondary);
}

[data-theme="light"] .footer-cookie-btn:hover {
    color: var(--color-primary-base);
}

/* Legacy Footer Styles (für Kompatibilität) */
.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    max-width: 1280px;
    margin: 0 auto 48px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
}

.footer-links a {
    color: var(--color-text-light);
    transition: all 250ms ease-in-out;
    font-size: 14px;
    line-height: 1.6;
}

.footer-links a:hover {
    color: var(--color-primary-glow);
    transform: translateX(4px);
}

[data-theme="light"] .footer-links a:hover {
    color: var(--color-primary-base);
}

.footer-bottom {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-card-border);
    text-align: center;
    color: var(--color-text-light);
    font-size: 13px;
}

/* ============================================
   MOBILE FIRST - RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet: 768px and up */
@media (min-width: 768px) {
    :root {
        --font-size-6xl: 4.5rem;  /* 72px */
        --font-size-5xl: 3.75rem; /* 60px */
    }
    
    h1 {
        font-size: var(--font-size-5xl);
    }
    
    .container {
        padding-left: var(--space-xl);
        padding-right: var(--space-xl);
    }
    
    .nav-menu {
        display: flex;
    }
    
    .nav-cta {
        display: block;
    }
    
    .nav-mobile-toggle {
        display: none;
    }
    
    .grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .footer-links {
        flex-direction: row;
        gap: var(--space-xl);
    }
}

/* Desktop: 1200px and up */
@media (min-width: 1200px) {
    .grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }

.text-primary { color: var(--color-primary-base); }
.text-secondary { color: var(--color-text-secondary); }
.text-white { color: var(--color-white); }

.bg-primary { background-color: var(--color-primary-base); }
.bg-secondary { background-color: var(--color-secondary-light); }
.bg-white { background-color: var(--color-white); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   THEME-RESPONSIVE CTA SECTION STYLES
   ============================================ */
.cta-section-gradient {
    background: linear-gradient(135deg, rgba(30, 93, 184, 0.15) 0%, rgba(75, 160, 255, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(75, 160, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-headline {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 60%, #a5e8f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .cta-headline {
    background: linear-gradient(135deg, #0F172A 0%, #1E5DB8 60%, #2B7FE5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="light"] .cta-description {
    color: var(--color-text-secondary);
}

/* Theme-responsive Section Alt Background */
.section-alt-bg {
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .section-alt-bg {
    background: var(--color-section-alt);
}

/* Theme-responsive Text Colors */
.text-heading {
    color: var(--color-text-primary);
}

.text-body {
    color: var(--color-text-secondary);
}

.text-muted {
    color: var(--color-text-light);
}

/* Theme-responsive SVG Icon Colors */
.icon-themed {
    color: var(--color-primary-glow);
}

.icon-themed svg {
    stroke: currentColor;
}

[data-theme="light"] .icon-themed {
    color: var(--color-primary-base);
}

/* Theme-responsive Badge/Box Background */
.badge-icon-box {
    background: linear-gradient(135deg, rgba(30, 93, 184, 0.2) 0%, rgba(75, 160, 255, 0.15) 100%);
    border: 1px solid rgba(75, 160, 255, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="light"] .badge-icon-box {
    background: linear-gradient(135deg, rgba(30, 93, 184, 0.1) 0%, rgba(75, 160, 255, 0.08) 100%);
    border-color: rgba(30, 93, 184, 0.2);
}

/* Theme-responsive Card Glass Effect */
.card-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
}

[data-theme="light"] .card-glass {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--color-card-border);
}

/* Newsletter Section Styling */
.newsletter-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-base) 100%);
}

.newsletter-section .newsletter-heading {
    color: white;
}

.newsletter-section .newsletter-text {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-section .newsletter-hint {
    color: rgba(255, 255, 255, 0.7);
}

/* Technology Card */
.tech-card-name {
    color: var(--color-text-primary);
}

.tech-card-category {
    color: var(--color-text-light);
}