/* ============================================
   TECHNOLOGY INSTITUTE UG - MAIN STYLESHEET
   Apple-Inspired Design System
   ============================================ */

/* ============================================
   DESIGN SYSTEM - Foundation
   ============================================ */

:root {
    /* Colors */
    --color-blue-50: #F0F7FF;
    --color-blue-100: #E0EFFF;
    --color-blue-200: #B8DCFF;
    --color-blue-300: #7CB9FF;
    --color-blue-400: #3D94FF;
    --color-blue-500: #007AFF;
    --color-blue-600: #0066D6;
    --color-blue-700: #0051AD;
    --color-blue-800: #003D84;
    --color-blue-900: #002952;

    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Semantic Colors */
    --color-background: var(--color-white);
    --color-background-secondary: var(--color-gray-50);
    --color-surface: var(--color-white);
    --color-primary: var(--color-blue-500);
    --color-primary-hover: var(--color-blue-600);
    --color-text-primary: var(--color-gray-900);
    --color-text-secondary: var(--color-gray-600);
    --color-text-tertiary: var(--color-gray-500);
    --color-border: var(--color-gray-200);
    --color-border-light: var(--color-gray-100);

    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-system-rounded: "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, Monaco, "Courier New", monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;
    --max-width-wide: 1400px;
    --header-height: 80px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);

    /* Animation */
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-slow: 350ms;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-padding-top: var(--header-height);
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: var(--space-8);
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

h4 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

p {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

.text-large {
    font-size: clamp(1.25rem, 2vw, 1.625rem);
    line-height: 1.6;
    font-weight: 400;
}

.text-small {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.text-mono {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-narrow {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-wide {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-32) 0;
    position: relative;
}

/* ============================================
   NAVIGATION - Sticky Header
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: transform var(--duration-base) var(--ease-out);
}

.site-header.hidden {
    transform: translateY(-100%);
}

.site-header__inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.site-logo:hover {
    opacity: 0.8;
}

.site-logo svg {
    height: 60px;
    width: auto;
    transition: height var(--duration-base) var(--ease-out);
}

/* Kleineres Logo beim Scrollen */
.site-header.scrolled .site-logo svg {
    height: 40px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.site-nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    margin: 0;
    padding: 0;
}

.site-nav__link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    position: relative;
    transition: color var(--duration-fast) var(--ease-out);
}

.site-nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration-base) var(--ease-out);
}

.site-nav__link:hover,
.site-nav__link.active {
    color: var(--color-primary);
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
    width: 100%;
}

.cta-button {
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all var(--duration-base) var(--ease-out);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    margin: 5px 0;
    transition: all var(--duration-base) var(--ease-out);
}

/* ============================================
   LOGO STYLING
   ============================================ */

.logo {
    display: inline-block;
    width: auto;
    height: auto;
}

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

.logo-preloader {
    width: 172px;
    height: 95px;
    margin: 0 auto var(--space-6);
}

.logo-hero {
    width: 200px;
    height: auto;
    margin: 0 auto var(--space-8);
}

.logo text {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ============================================
   PREMIUM FIRST-LOAD ANIMATION
   ============================================ */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-blue-50) 100%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.8s var(--ease-out);
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.preloader__content {
    text-align: center;
}

.logo-preloader {
    animation: logoReveal 1.2s var(--ease-out) both;
}

.preloader__tagline {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-primary);  /* Changed from blue to black */
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.preloader__spinner {
    width: 40px;
    height: 40px;
    margin: var(--space-8) auto 0;
    border: 3px solid var(--color-blue-100);
    border-top-color: var(--color-blue-500);
    border-radius: 50%;
    animation: spin 1s linear infinite, fadeIn 0.5s ease 0.6s both;
}

@keyframes logoReveal {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
        filter: blur(10px);
    }
    60% {
        opacity: 1;
        filter: blur(0px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0px);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

body.first-load .logo-hero {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    filter: blur(8px);
}

body.first-load .hero h1 {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    filter: blur(8px);
}

body.first-load .hero__slogans {
    opacity: 0;
    transform: translateY(20px);
}

body.first-load .hero__subtitle {
    opacity: 0;
    transform: translateY(20px);
}

body.first-load .scroll-indicator {
    opacity: 0;
}

body.reveal-hero .logo-hero {
    animation: heroLogoReveal 1s var(--ease-out) 0.1s both;
}

body.reveal-hero .hero h1 {
    animation: heroTitleReveal 1s var(--ease-out) 0.3s both;
}

body.reveal-hero .hero__slogans {
    animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

body.reveal-hero .hero__subtitle {
    animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

body.reveal-hero .scroll-indicator {
    animation: fadeIn 0.6s var(--ease-out) 1.3s both;
}

@keyframes heroLogoReveal {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
        filter: blur(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0px);
    }
}

@keyframes heroTitleReveal {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
        filter: blur(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .preloader {
        display: none;
    }

    body.first-load .logo-hero,
    body.first-load .hero h1,
    body.first-load .hero__slogans,
    body.first-load .hero__subtitle,
    body.first-load .scroll-indicator {
        opacity: 1;
        transform: none;
        filter: none;
    }

    .logo-hero {
        opacity: 1 !important;
    }
}

/* ============================================
   GERMAN FLAG COLORS
   ============================================ */

.flag-de {
    font-weight: 600;
}

.flag-de .black {
    color: #000000;
}

.flag-de .red {
    color: #DD0000;
}

.flag-de .gold {
    color: #FFD700;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-blue-50) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.08) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(5%, 5%) rotate(90deg);
    }
    50% {
        transform: translate(0, 10%) rotate(180deg);
    }
    75% {
        transform: translate(-5%, 5%) rotate(270deg);
    }
}

.hero__content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--color-text-primary);
    margin-bottom: var(--space-8);
    height: clamp(6rem, 16vw, 14rem); /* FESTE Höhe - verhindert Springen komplett */
    display: flex; /* Flex für vertikale Zentrierung */
    align-items: center; /* Vertikal zentriert */
    justify-content: center; /* Horizontal zentriert */
    width: 100%; /* Volle Breite nutzen */
    max-width: 100%; /* Verhindert Overflow */
    padding: 0 var(--space-4);
    box-sizing: border-box;
    position: relative;
    overflow: visible; /* Cursor sichtbar lassen */
}

.hero__slogans {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-12);
    margin-bottom: var(--space-8);
}

.hero__slogan {
    padding: var(--space-3) var(--space-6);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-blue-700);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-base) var(--ease-spring);
}

.hero__slogan:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
    background: var(--color-blue-500);
    color: var(--color-white);
    border-color: var(--color-blue-500);
}

.hero__subtitle {
    max-width: 700px;
    margin: 0 auto;
    color: var(--color-text-secondary);
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.6;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-12);
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 48px;
    border: 2px solid var(--color-blue-300);
    border-radius: var(--radius-full);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 8px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator::after {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--color-blue-500);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(16px);
        opacity: 0.3;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-8px);
    }
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin-top: var(--space-16);
    padding: var(--space-12) 0;
}

.cta-section__buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-8);
}

.btn {
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    font-size: 1.0625rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-out);
    display: inline-block;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Continue with remaining CSS... */

/* ============================================
   SECTION STYLING
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--space-20);
}

.section-header__subtitle {
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-size: clamp(1.125rem, 2vw, 1.25rem);
}

/* Focus Section */
.focus {
    background: var(--color-white);
}

.missions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-16);
}

/* Large screens: 4 columns side by side */
@media (min-width: 1200px) {
    .missions {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Medium screens: 2x2 grid (default above) */
@media (min-width: 768px) and (max-width: 1199px) {
    .missions {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small screens: 1 column */
@media (max-width: 767px) {
    .missions {
        grid-template-columns: 1fr;
    }
}

.mission {
    padding: var(--space-10);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.mission::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-blue-400) 0%, var(--color-blue-600) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out);
}

.mission:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-blue-200);
}

.mission:hover::before {
    transform: scaleX(1);
}

.mission__number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-blue-100);
    margin-bottom: var(--space-4);
    font-family: var(--font-mono);
    line-height: 1;
    transition: color var(--duration-base) var(--ease-out);
}

.mission:hover .mission__number {
    color: var(--color-primary);
}

.mission__title {
    color: var(--color-blue-700);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.mission__description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1.0625rem;
}

/* Manufaktur Section */
.manufaktur {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-16);
}

.service {
    padding: var(--space-8);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-blue-400);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.service::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-blue-500) 0%, var(--color-blue-700) 100%);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
    z-index: 0;
}

.service:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--color-blue-600);
}

.service:hover::after {
    opacity: 1;
}

.service__title,
.service__description {
    position: relative;
    z-index: 1;
    transition: color var(--duration-base) var(--ease-out);
}

.service__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-blue-700);
}

.service:hover .service__title {
    color: var(--color-white);
}

.service__description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.service:hover .service__description {
    color: var(--color-blue-50);
}

/* Ethos Section */
.ethos {
    background: linear-gradient(135deg, var(--color-blue-600) 0%, var(--color-blue-800) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.ethos::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.ethos h2,
.ethos h3,
.ethos h4,
.ethos p {
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.ethos .section-header__subtitle {
    color: var(--color-blue-100);
}

.axioms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin: var(--space-20) 0;
    position: relative;
    z-index: 1;
}

.axiom {
    padding: var(--space-10);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: all var(--duration-base) var(--ease-out);
}

.axiom:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.3);
}

.axiom__number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    opacity: 0.7;
    margin-bottom: var(--space-4);
    color: var(--color-blue-200);
}

.axiom__title {
    font-size: 1.75rem;
    margin-bottom: var(--space-4);
    font-weight: 600;
}

.axiom p {
    line-height: 1.8;
    opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */

.kontakt {
    background: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    color: var(--color-white);
    min-height: auto;
    padding: var(--space-24) 0 var(--space-12);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--space-6);
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-300);
    font-size: 0.9375rem;
    line-height: 1.8;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-section a {
    display: inline-block;
    position: relative;
}

.footer-section a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-blue-400);
    transition: width var(--duration-base) var(--ease-out);
}

.footer-section a:hover {
    color: var(--color-blue-400);
}

.footer-section a:hover::after {
    width: 100%;
}

.impressum {
    padding-top: var(--space-12);
    border-top: 1px solid var(--color-gray-700);
    text-align: center;
}

.impressum p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-2);
}

/* ============================================
   ANIMATIONS - Scroll-triggered
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    :root {
        --space-32: 6rem;
    }

    section {
        padding: var(--space-24) 0;
    }

    .site-nav {
        gap: var(--space-6);
    }

    .site-nav__list {
        gap: var(--space-6);
    }
}

@media (max-width: 768px) {
    :root {
        --space-32: 4rem;
        --header-height: 64px;
    }

    section {
        padding: var(--space-20) 0;
    }

    .hero__slogans {
        flex-direction: column;
        align-items: center;
    }

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

    .scroll-indicator {
        display: none;
    }

    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: block;
    }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--glass-bg);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        flex-direction: column;
        padding: var(--space-8);
        transform: translateX(-100%);
        transition: transform var(--duration-base) var(--ease-out);
    }

    .site-nav.open {
        transform: translateX(0);
    }

    .site-nav__list {
        flex-direction: column;
        gap: var(--space-6);
        width: 100%;
    }

    .site-nav__link {
        font-size: 1.25rem;
    }

    .cta-button {
        width: 100%;
        text-align: center;
    }

    .cta-section__buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container,
    .container-narrow,
    .container-wide {
        padding: 0 var(--space-4);
    }

    .site-header__inner {
        padding: 0 var(--space-4);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

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

    html {
        scroll-behavior: auto;
    }

    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

:focus-visible {
    outline: 3px solid var(--color-blue-400);
    outline-offset: 3px;
    border-radius: 4px;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-blue-400);
    outline-offset: 3px;
}

@media (prefers-contrast: high) {
    :root {
        --color-blue-500: #0066CC;
        --color-text-secondary: var(--color-gray-700);
    }

    .mission,
    .service {
        border-width: 2px;
    }
}

/* ============================================
   TYPING ANIMATION STYLES
   ============================================ */
.hero__content h1 {
    /* Use flexbox to keep text and cursor aligned */
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center; /* Center align on hero */
    min-height: 4.5rem; /* Prevent layout shift - taller for normal font */
}

/* Responsive h1 height for typing animation (FESTE Höhen = kein Springen) */
@media (max-width: 768px) {
    .hero h1 {
        height: 8rem; /* FESTE Höhe für Tablet */
    }
    #typing-target {
        min-width: 90vw; /* Mehr Breite auf Tablet */
    }
}
@media (max-width: 480px) {
    .hero h1 {
        height: 7rem; /* FESTE Höhe für Mobile */
    }
    #typing-target {
        min-width: 95vw; /* Fast volle Breite auf Mobile */
    }
}

#typing-target {
    /* Keep normal h1 text color (not blue) */
    /* Verhindert horizontales UND vertikales Springen */
    display: inline-block;
    min-width: min(85vw, 900px); /* Feste Mindestbreite für 2 Zeilen ohne Umbruch */
    max-width: 100%;
    text-align: left; /* Text linksbündig = kein horizontales Springen */
    word-wrap: break-word;
    vertical-align: top; /* Konsistente vertikale Ausrichtung */
    /* Der Container selbst wird durch h1 text-align:center zentriert */
}

.cursor {
    display: inline-block;
    width: 3px;
    height: 3.5rem; /* Match h1 font size */
    background-color: var(--color-text-primary);
    margin-left: 4px;
    animation: blink 1s infinite;
    vertical-align: middle;
}

/* Responsive cursor height */
@media (max-width: 768px) {
    .cursor { height: 3rem; }
}
@media (max-width: 480px) {
    .cursor { height: 2.5rem; }
}

/* Cursor Blink-Animation */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}


/* ============================================
   MODERN CONTACT SECTION
   ============================================ */

.contact-modern {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
    padding: var(--space-32) 0;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin: var(--space-16) 0 var(--space-20);
}

.contact-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--duration-base) var(--ease-out);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-blue-200);
}

.contact-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-blue-50);
    border-radius: 50%;
    color: var(--color-primary);
    transition: all var(--duration-base) var(--ease-out);
}

.contact-card:hover .contact-card__icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.contact-card__icon--whatsapp {
    background: #E7F8EE;
    color: #25D366;
}

.contact-card:hover .contact-card__icon--whatsapp {
    background: #25D366;
    color: var(--color-white);
}

.contact-card__icon--linkedin {
    background: #EBF5FF;
    color: #0077B5;
}

.contact-card:hover .contact-card__icon--linkedin {
    background: #0077B5;
    color: var(--color-white);
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.contact-card__value {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--color-primary);
    margin: var(--space-3) 0;
    word-break: break-all;
}

.contact-card__desc {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin: var(--space-3) 0;
}

.copy-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-gray-100);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    margin-top: var(--space-3);
}

.copy-button:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.copy-button.copied {
    background: #10B981;
    color: var(--color-white);
    border-color: #10B981);
}

.contact-card__button {
    display: inline-block;
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--duration-base) var(--ease-out);
}

.contact-card__button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-card__button--whatsapp {
    background: #25D366;
}

.contact-card__button--whatsapp:hover {
    background: #20BA5A;
}

.contact-card__button--linkedin {
    background: #0077B5;
}

.contact-card__button--linkedin:hover {
    background: #006399;
}

/* Contact Form */
.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.contact-form-wrapper h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.contact-form-wrapper > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-system);
    color: var(--color-text-primary);
    background: var(--color-white);
    transition: all var(--duration-fast) var(--ease-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #EF4444;
}

.form-group input:valid:not(:placeholder-shown),
.form-group select:valid,
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #10B981;
}

.form-error {
    font-size: 0.875rem;
    color: #EF4444;
    display: none;
}

.form-group:has(input:invalid:not(:placeholder-shown)) .form-error,
.form-group:has(select:invalid) .form-error,
.form-group:has(textarea:invalid:not(:placeholder-shown)) .form-error {
    display: block;
}

/* Custom Checkbox */
.form-group--checkbox {
    margin: var(--space-4) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid var(--color-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label input[type="checkbox"]:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.checkbox-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.checkbox-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    font-size: 1.0625rem;
    margin-top: var(--space-6);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-submit:hover::before {
    width: 300px;
    height: 300px;
}

.btn-icon {
    transition: transform var(--duration-base) var(--ease-out);
}

.btn-submit:hover .btn-icon {
    transform: translateX(4px);
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: var(--space-6);
    }
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    background: var(--color-white);
    color: var(--color-text-primary);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    z-index: 10000;
    transform: translateY(150%);
    opacity: 0;
    transition: all var(--duration-base) var(--ease-out);
    max-width: 400px;
    border-left: 4px solid var(--color-primary);
}

.toast-show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    border-left-color: #10B981;
}

.toast-error {
    border-left-color: #EF4444;
}

.toast-info {
    border-left-color: var(--color-primary);
}

/* Mobile toast positioning */
@media (max-width: 768px) {
    .toast {
        bottom: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
        max-width: none;
    }
}

/* ============================================
   ENHANCED FORM VALIDATION
   ============================================ */

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
    border-color: #EF4444;
    background-color: #FEF2F2;
}

.form-group.has-error .form-error {
    display: block;
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: var(--space-2);
}

.form-error {
    display: none;
}

input.invalid,
textarea.invalid,
select.invalid {
    border-color: #EF4444 !important;
}

input.valid,
textarea.valid,
select.valid {
    border-color: #10B981 !important;
}

/* Copy button success state */
.copy-button.copy-success {
    background: #10B981;
    color: var(--color-white);
    border-color: #10B981;
}

/* Loading state for submit button */
.btn-submit.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit.loading .btn-icon {
    animation: spin 1s linear infinite;
}

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