/* ========================================
   IT Haus Nagel & Gräve - Futuristic Styles
   ======================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #161622;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-cyan: #00d4ff;
    --accent-purple: #7c3aed;
    --accent-gold: #ffd700;
    --accent-success: #00ff88;
    --border-color: rgba(0, 212, 255, 0.1);
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-purple: 0 0 20px rgba(124, 58, 237, 0.5);
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.particles {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.logo-text .highlight {
    color: var(--accent-cyan);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    transition: width 0.3s ease;
}

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

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

.cta-nav {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--accent-cyan);
    border-radius: 4px;
    color: var(--accent-cyan);
}

.cta-nav::after {
    display: none;
}

.cta-nav:hover {
    background: rgba(0, 212, 255, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 4rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.glitch {
    display: block;
    position: relative;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-glow {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    box-shadow: var(--glow-cyan), var(--glow-purple);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--accent-cyan);
    margin-left: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-orb {
    position: relative;
    width: 350px;
    height: 350px;
}

.orb-ring {
    position: absolute;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
}

.orb-ring-1 {
    inset: 0;
    animation: rotate 20s linear infinite;
}

.orb-ring-2 {
    inset: 40px;
    border-color: rgba(124, 58, 237, 0.3);
    animation: rotate-reverse 15s linear infinite;
}

.orb-ring-3 {
    inset: 80px;
    border-style: dashed;
    animation: rotate 10s linear infinite;
}

.orb-core {
    position: absolute;
    inset: 120px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2), transparent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb-icon {
    width: 60px;
    height: 60px;
    animation: pulse 3s ease-in-out infinite;
}

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

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

/* Section Styles */
section {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .card-glow {
    opacity: 1;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.card-features {
    list-style: none;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.check {
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Featured Card */
.service-card.featured {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), transparent);
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--accent-cyan);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 4px;
}

/* Promo Card */
.service-card.promo {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
}

.promo-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 0 0 8px 8px;
}

/* New Card Badge */
.service-card.featured .card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    background: var(--accent-cyan);
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card.featured {
    border-color: var(--accent-cyan);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), transparent);
}

.promo .card-icon {
    color: var(--accent-gold);
}

.promo .check {
    color: var(--accent-gold);
}

/* Why Us Section */
.why-us {
    background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.03), transparent);
}

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

.feature-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 212, 255, 0.3);
    line-height: 1;
}

.feature-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 4rem;
}

.cta-container {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    position: relative;
    overflow: hidden;
}

.cta-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, transparent 0%, rgba(0, 212, 255, 0.03) 50%, transparent 100%);
    animation: scan 4s ease-in-out infinite;
}

@keyframes scan {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.cta-content {
    position: relative;
    z-index: 1;
    flex: 1;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-visual {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.cta-hex {
    width: 200px;
    height: 200px;
    animation: float 6s ease-in-out infinite;
}

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

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.contact-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-value {
    font-size: 1rem;
    color: var(--text-primary);
    margin-top: 0.25rem;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 2.5rem;
}

.form-row .form-group {
    margin-bottom: 2.5rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

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

.form-group label {
    position: absolute;
    left: 0;
    top: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:valid,
.form-group textarea:valid {
    border-color: var(--accent-cyan);
}

.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:valid ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -1.2rem;
    font-size: 0.75rem;
    color: var(--accent-cyan);
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    transition: width 0.3s ease;
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 4rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-logo .highlight {
    color: var(--accent-cyan);
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-credit .pulse {
    color: var(--accent-cyan);
    animation: pulse 2s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 7rem 2rem 4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .tech-orb {
        width: 250px;
        height: 250px;
    }

    .features-showcase {
        grid-template-columns: 1fr;
    }

    .cta-container {
        flex-direction: column;
        text-align: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    section {
        padding: 4rem 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}