/**
 * Consulmind - Modern AI Agency Styles
 * Futuristic, Tech-Forward Design System
 */

/* ============================================
   CSS Variables & Root Settings
   ============================================ */
:root {
    --primary: #0066FF;
    --primary-light: #3385FF;
    --primary-dark: #0052CC;
    --cyan: #00D9FF;
    --purple: #7C3AED;
    --pink: #EC4899;
    --dark: #0A0A0F;
    --darker: #050508;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #F8FAFC;
    --text-muted: rgba(255, 255, 255, 0.6);
    --glow-primary: 0 0 30px rgba(0, 102, 255, 0.4);
    --glow-cyan: 0 0 30px rgba(0, 217, 255, 0.4);
}

/* ============================================
   Base Styles
   ============================================ */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

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

/* ============================================
   Typography
   ============================================ */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 50%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-subtle {
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Navigation Styles
   ============================================ */
#mainHeader {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

#mainHeader.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: var(--glass);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

/* ============================================
   Button Styles
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span,
.btn-primary svg {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 14px;
}

.btn-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* ============================================
   Card Styles
   ============================================ */
.card-glass {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s ease;
}

.card-glass:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-feature {
    background: linear-gradient(135deg, var(--glass) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-feature::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary)/10 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card-feature:hover {
    border-color: var(--primary)/30;
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 102, 255, 0.15);
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--cyan);
    font-weight: 500;
    animation: fade-in 0.6s ease-out;
    margin-top: 5rem;
}

.hero-title {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 600px;
}

/* ============================================
   Icon Boxes
   ============================================ */
.icon-box {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary)/20 0%, var(--cyan)/10 100%);
    border: 1px solid var(--primary)/30;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.icon-box svg {
    width: 28px;
    height: 28px;
    color: var(--cyan);
}

.card-feature:hover .icon-box {
    background: linear-gradient(135deg, var(--primary)/30 0%, var(--cyan)/20 100%);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
}

.icon-box-lg {
    width: 80px;
    height: 80px;
    border-radius: 24px;
}

.icon-box-lg svg {
    width: 40px;
    height: 40px;
}

/* ============================================
   Section Styles
   ============================================ */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

/* ============================================
   Stats Grid
   ============================================ */
.stat-item {
    text-align: center;
    padding: 1.5rem;
}

.stat-value {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.5rem;
}

/* ============================================
   Form Styles
   ============================================ */
.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

/* ============================================
   FAQ Accordion
   ============================================ */
.faq-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.03);
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--cyan);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 1.5rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 102, 255, 0.4); }
    50% { box-shadow: 0 0 40px rgba(0, 217, 255, 0.6); }
}

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

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-left {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fade-in {
    animation: fade-in 0.6s ease-out forwards;
}

.animate-slide-up {
    animation: slide-up 0.8s ease-out forwards;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ============================================
   Glow Effects
   ============================================ */
.glow-primary {
    box-shadow: 0 0 30px rgba(0, 102, 255, 0.4);
}

.glow-cyan {
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.4);
}

.glow-text {
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
}

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

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stat-value {
        font-size: 2.5rem;
    }
    
    .card-feature {
        padding: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* ============================================
   Light Theme Pages (Impressum, Datenschutz)
   ============================================ */
.light-theme {
    background: #F8FAFC;
    color: #1E293B;
}

.light-theme .card-glass {
    background: white;
    border-color: #E2E8F0;
}

.light-theme .text-white\/60,
.light-theme .text-white\/70 {
    color: #64748B;
}

.light-theme .text-white {
    color: #1E293B;
}

/* ============================================
   ELIA Product Page Specific
   ============================================ */
.elia-gradient {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.elia-badge {
    background: linear-gradient(135deg, var(--cyan)/20 0%, var(--purple)/20 100%);
    border: 1px solid var(--cyan)/30;
}

.feature-grid-item {
    position: relative;
    padding: 2rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: all 0.4s ease;
}

.feature-grid-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, var(--cyan)/50 0%, transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-grid-item:hover::after {
    opacity: 1;
}

.feature-grid-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

/* ============================================
   Process Steps
   ============================================ */
.process-step {
    position: relative;
}

.process-step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
    border-radius: 20px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

/* ============================================
   Utility Classes
   ============================================ */
.backdrop-blur-heavy {
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
}

.border-gradient {
    border: 1px solid transparent;
    background: linear-gradient(var(--dark), var(--dark)) padding-box,
                linear-gradient(135deg, var(--primary), var(--cyan)) border-box;
}

.hover-lift {
    transition: transform 0.3s ease;
}

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

/* ============================================
   Cookie Consent Banner
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .cookie-banner-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.cookie-banner-text {
    flex: 1;
}

.cookie-banner-text h3 {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.cookie-banner-text p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.cookie-banner-text p:last-child {
    margin-bottom: 0;
}

.cookie-banner-links a {
    color: var(--cyan);
    text-decoration: none;
    transition: color 0.3s ease;
}

.cookie-banner-links a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.cookie-banner-buttons {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .cookie-banner-buttons {
        flex-direction: column;
        width: 100%;
    }
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    white-space: nowrap;
}

.cookie-btn-accept {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.cookie-btn-accept:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.cookie-btn-reject {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: rgba(255, 255, 255, 0.8);
}

.cookie-btn-reject:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Cookie Settings Link für Footer */
.cookie-settings-link {
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.cookie-settings-link:hover {
    color: var(--cyan);
}