/**
 * NovaVision Solutions - Unified Stylesheet
 * Version: 1.0
 *
 * Dieses Stylesheet enthält alle gemeinsamen Styles für die NovaVision Website.
 * Wird von allen 17 Seiten verwendet.
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
    /* Colors */
    --black: #0D0D0D;
    --navy: #1F2937;
    --deep-navy: #0F2942;
    --creme: #E8E0D5;
    --gold: #C4AA87;
    --gold-light: #D4C4A7;
    --brown: #7A6A5A;
    --white: #FAFAFA;

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out-circ: cubic-bezier(0.85, 0, 0.15, 1);

    /* Spacing */
    --container-max: 1400px;
    --container-padding: 5%;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--creme);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ==========================================================================
   Container / Layout
   ========================================================================== */

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

/* Section with built-in padding */
.section {
    padding: 5rem var(--container-padding);
}

.section-inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s var(--ease-out-expo);
    background: transparent;
}

nav.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(196, 170, 135, 0.1);
}

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

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

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

.logo-icon {
    width: 48px;
    height: 48px;
    position: relative;
}

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

.logo-eye-outer {
    fill: none;
    stroke: var(--gold);
    stroke-width: 2;
}

.logo-eye-inner {
    fill: none;
    stroke: var(--gold);
    stroke-width: 1;
    opacity: 0.3;
}

.logo-iris {
    fill: none;
    stroke: var(--gold);
    stroke-width: 1;
    opacity: 0.5;
}

.logo-orbit {
    fill: none;
    stroke: var(--gold);
    stroke-width: 1;
    stroke-dasharray: 5 3;
    transform-origin: 24px 24px;
    animation: logoRotate 15s linear infinite;
}

.logo-star {
    fill: var(--gold);
    animation: logoLook 6s ease-in-out infinite;
}

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

@keyframes logoLook {
    0%, 100% { transform: translateX(0); }
    30% { transform: translateX(1.5px); }
    70% { transform: translateX(-1.5px); }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.logo-text span {
    color: var(--gold);
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--creme);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.4s var(--ease-out-expo);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--gold);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* CTA Button */
.nav-cta {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 0.75rem 1.75rem;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gold);
    transition: left 0.4s var(--ease-out-expo);
    z-index: -1;
}

.nav-cta:hover {
    color: var(--black);
}

.nav-cta:hover::before {
    left: 0;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--creme);
    cursor: pointer;
    padding: 0.5rem;
}

/* ==========================================================================
   Mobile Menu Overlay
   ========================================================================== */

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 13, 13, 0.98);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out-expo);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-close {
    position: absolute;
    top: 1.5rem;
    right: var(--container-padding);
    width: 48px;
    height: 48px;
    background: rgba(196, 170, 135, 0.1);
    border: 1px solid rgba(196, 170, 135, 0.3);
    border-radius: 50%;
    color: var(--gold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: var(--gold);
    color: var(--black);
    transform: rotate(90deg);
}

.mobile-menu-links {
    list-style: none;
    text-align: center;
    padding: 0;
    margin: 0;
}

.mobile-menu-links li {
    margin: 1.5rem 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

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

.mobile-menu.active .mobile-menu-links li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu-links li:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu-links li:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu-links li:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-menu-links li:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-menu-links li:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu.active .mobile-menu-links li:nth-child(7) { transition-delay: 0.4s; }

.mobile-menu-links a {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--creme);
    text-decoration: none;
    transition: color 0.3s ease;
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active {
    color: var(--gold);
}

.mobile-menu-cta {
    margin-top: 3rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease 0.45s;
}

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

.mobile-menu-cta a {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-cta a:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(196, 170, 135, 0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
    background: var(--deep-navy);
    padding: 4rem var(--container-padding) 2rem;
    border-top: 1px solid rgba(196, 170, 135, 0.1);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Footer Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--creme);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-logo span span {
    color: var(--gold);
}

.footer-logo svg {
    flex-shrink: 0;
}

.footer-logo .logo-eye-outer,
.footer-logo .logo-eye-inner,
.footer-logo .logo-iris,
.footer-logo .logo-star {
    stroke: var(--gold);
}

.footer-logo .logo-star {
    fill: var(--gold);
}

.footer-brand p {
    opacity: 0.6;
    line-height: 1.7;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(196, 170, 135, 0.1);
    border: 1px solid rgba(196, 170, 135, 0.3);
    border-radius: 8px;
    color: var(--gold);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--gold);
    color: var(--black);
    transform: translateY(-2px);
}

/* Footer Columns */
.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--gold);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--creme);
    text-decoration: none;
    opacity: 0.6;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-column a:hover {
    opacity: 1;
    color: var(--gold);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(196, 170, 135, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0.5;
    font-size: 0.9rem;
}

/* ==========================================================================
   Common Components
   ========================================================================== */

/* Primary CTA Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--black);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(196, 170, 135, 0.3);
}

/* Secondary CTA Button */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--creme);
    padding: 1rem 2rem;
    border: 1px solid rgba(196, 170, 135, 0.3);
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Section Headers */
.section-label {
    display: inline-block;
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 600px;
    line-height: 1.7;
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

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

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }

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

/* ==========================================================================
   Page-Specific Styles (Optional Overrides)
   ========================================================================== */

/* Hero Sections - Common Pattern */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem var(--container-padding) 4rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--gold);
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.8;
    max-width: 600px;
    line-height: 1.7;
}

/* Content Sections */
.content-section {
    padding: 6rem var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

/* Cards */
.card {
    background: linear-gradient(135deg, rgba(31, 41, 55, 0.4) 0%, rgba(15, 41, 66, 0.3) 100%);
    border: 1px solid rgba(196, 170, 135, 0.15);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s ease;
}

.card:hover {
    border-color: rgba(196, 170, 135, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}