:root {
    --color-obsidian-slate: #0F1115;
    --color-obsidian-slate-rgb: 15, 17, 21;
    --color-vapor-grey: #E1E4E8;
    --color-vapor-grey-rgb: 225, 228, 232;
    --color-cobalt-blue: #0047AB;
    --color-cobalt-blue-rgb: 0, 71, 171;
    --color-tactical-teal: var(--color-cobalt-blue);
    /* Legacy alias for B2B */
    --color-tactical-teal-rgb: var(--color-cobalt-blue-rgb);
    --color-burnished-bronze: #CD7F32;
    --color-burnished-bronze-rgb: 205, 127, 50;
    --color-obsidian-deep: #0A0C0F;
    --color-obsidian-mid: #14171C;
    --color-obsidian-light: #1A1E24;
    --color-obsidian-surface: #22262E;
    --color-text-primary: var(--color-vapor-grey);
    --color-text-secondary: rgba(225, 228, 232, 0.7);
    --color-text-muted: rgba(225, 228, 232, 0.5);
    --color-text-disabled: rgba(225, 228, 232, 0.3);
    --color-teal-glow: transparent;
    /* Removed Neon Glow */
    --color-teal-hover: #003380;
    /* Darker Cobalt for hover */
    --color-teal-muted: rgba(0, 71, 171, 0.6);
    --color-bronze-glow: rgba(205, 127, 50, 0.15);
    --color-bronze-light: #E8A854;
    --color-bronze-dark: #8B5A2B;
    --color-background: var(--color-obsidian-slate);
    --color-surface: var(--color-obsidian-light);
    --color-border: rgba(225, 228, 232, 0.1);
    --color-border-hover: rgba(225, 228, 232, 0.2);
    --color-accent-primary: var(--color-tactical-teal);
    --color-accent-secondary: var(--color-burnished-bronze);
    --color-success: #00D97E;
    --color-warning: #FFBE0B;
    --color-error: #FF4757;

    /* HIGH-END LUXURY B2B MATERIALS */
    --sapphire-deep: #002864;
    --steel-polished: #E1E4E8;
    --steel-dark: #4A4A4A;
    --sapphire-glow: rgba(0, 71, 171, 0.5);

    /* PREMIUM GRAY TONES */
    --charcoal-premium: rgba(58, 58, 58, 1);
    --obsidian-overlay: rgba(15, 17, 21, 0.92);
    --steel-glow: rgba(225, 228, 232, 0.3);

    --font-heading: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    --font-primary: 'Roboto Slab', 'Georgia', 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-display: var(--font-heading);
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 4.5rem);
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --tracking-tighter: -0.02em;
    --tracking-tight: -0.01em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;
    --tracking-widest: 0.2em;
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    --space-0: 0;
    --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;
    --space-40: 10rem;
    --space-48: 12rem;
    --section-padding-y: clamp(4rem, 8vw, 8rem);
    --section-padding-x: clamp(1.5rem, 5vw, 4rem);
    --max-width-xs: 20rem;
    --max-width-sm: 24rem;
    --max-width-md: 28rem;
    --max-width-lg: 32rem;
    --max-width-xl: 36rem;
    --max-width-2xl: 42rem;
    --max-width-3xl: 48rem;
    --max-width-4xl: 56rem;
    --max-width-5xl: 64rem;
    --max-width-6xl: 72rem;
    --max-width-7xl: 80rem;
    --max-width-full: 100%;
    --container-max: var(--max-width-7xl);
    --container-padding: var(--section-padding-x);
    --radius-none: 0;
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    --border-width: 1px;
    --border-width-2: 2px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --glow-teal: none;
    /* Removed Neon Glow */
    --glow-teal-strong: none;
    /* Removed Neon Glow */
    --glow-bronze: 0 0 20px rgba(205, 127, 50, 0.3);
    --duration-instant: 0ms;
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 700ms;
    --duration-slowest: 1000ms;
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: all var(--duration-fast) var(--ease-smooth);
    --transition-normal: all var(--duration-normal) var(--ease-smooth);
    --transition-slow: all var(--duration-slow) var(--ease-smooth);
    --z-behind: -1;
    --z-base: 0;
    --z-raised: 10;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-toast: 500;
    --z-max: 9999;

    /* WEIGHTY UI - GLOBAL ANIMATION PARAMS */
    --ease-weighty: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-weighty: 600ms;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    overflow-x: hidden
}

::selection {
    background-color: var(--color-tactical-teal);
    color: var(--color-obsidian-slate)
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight)
}

h1 {
    font-size: var(--text-5xl);
    letter-spacing: var(--tracking-tighter)
}

h2 {
    font-size: var(--text-4xl)
}

h3 {
    font-size: var(--text-3xl)
}

h4 {
    font-size: var(--text-2xl)
}

h5 {
    font-size: var(--text-xl)
}

h6 {
    font-size: var(--text-lg)
}

p,
li,
blockquote {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    line-height: var(--leading-relaxed)
}

code,
pre,
kbd,
samp,
.data-value,
.tech-text,
.certificate-number {
    font-family: var(--font-mono);
    font-size: 0.9em;
    letter-spacing: var(--tracking-wide)
}

.stat-number,
.metric,
.counter {
    font-family: var(--font-mono);
    font-weight: var(--font-medium);
    color: var(--color-tactical-teal)
}

.certificate-number {
    font-family: var(--font-mono);
    color: var(--color-burnished-bronze);
    letter-spacing: var(--tracking-widest)
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding)
}

.text-primary {
    color: var(--color-text-primary)
}

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

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

.text-teal {
    color: var(--color-tactical-teal)
}

.text-bronze {
    color: var(--color-burnished-bronze)
}

.bg-obsidian {
    background-color: var(--color-obsidian-slate)
}

.bg-obsidian-deep {
    background-color: var(--color-obsidian-deep)
}

.bg-obsidian-light {
    background-color: var(--color-obsidian-light)
}

.bg-surface {
    background-color: var(--color-surface)
}

.accent-teal {
    border-color: var(--color-tactical-teal);
    box-shadow: var(--glow-teal)
}

.accent-bronze {
    border-color: var(--color-burnished-bronze);
    box-shadow: var(--glow-bronze)
}

.global-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-sticky);
    padding: var(--space-4) var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-normal);
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent
}

.global-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-text-primary)
}

.global-header__logo-img {
    height: 48px;
    width: 48px;
    object-fit: contain;
    align-self: center;
    vertical-align: middle;
    transform: translateY(4px)
}

.global-header__logo-text {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide)
}

.global-header--b2b {
    border-bottom-color: rgba(0, 71, 171, 0.2);
}

.global-header--b2b .global-header__logo-text {
    color: var(--color-cobalt-blue);
    text-shadow: none;
}

.global-header--private {
    border-bottom-color: rgba(205, 127, 50, 0.1)
}

.global-header--private .global-header__logo-text {
    color: var(--color-burnished-bronze);
    text-shadow: 0 0 10px rgba(205, 127, 50, 0.3)
}

#sentinel-widget-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: var(--z-overlay)
}

/* ═══════════════════════════════════════════════════════════════════════════
   BACK LINK / NAVIGATION RETURNS - UNIFIED
   ═══════════════════════════════════════════════════════════════════════════ */

.back-nav-button {
    display: inline-flex;
    align-items: center;
    /* Vertical alignment fix */
    gap: 10px;
    /* Precise gap as requested */
    padding: var(--space-2) var(--space-4);

    /* Typography */
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    font-size: 14px;
    /* Fixed size */
    text-transform: uppercase;
    text-decoration: none;
    /* No underline */
    letter-spacing: var(--tracking-wide);
    color: var(--color-vapor-grey);

    border: 1px solid transparent;
    border-radius: var(--radius-sm);

    /* Animation Basics - Faster transition */
    transition: all 0.2s ease-in-out;
}

.back-nav-button svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    transition: transform 0.3s ease-in-out;
}

/* Hover Effects: Lift & Slide */
.back-nav-button:hover {
    transform: translateY(-2px);
    /* Lift Effect */
}

.back-nav-button:hover svg {
    transform: translateX(-4px);
    /* Slide-in Effect */
}

/* B2B Contextual Color (Hover Only) */
.global-header--b2b .back-nav-button:hover,
body:not(.global-header-page) .nav:not(.nav--private) .back-nav-button:hover {
    /* Fallback for pages without global header context if needed */
    color: var(--color-cobalt-blue);
    border-color: rgba(0, 71, 171, 0.3);
    box-shadow: none;
}

/* Private Contextual Color (Hover Only) */
.data-value,
.tech-text,
.certificate-number {
    font-family: var(--font-mono);
    font-size: 0.9em;
    letter-spacing: var(--tracking-wide)
}

.stat-number,
.metric,
.counter {
    font-family: var(--font-mono);
    font-weight: var(--font-medium);
    color: var(--color-tactical-teal)
}

.certificate-number {
    font-family: var(--font-mono);
    color: var(--color-burnished-bronze);
    letter-spacing: var(--tracking-widest)
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding)
}

.text-primary {
    color: var(--color-text-primary)
}

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

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

.text-teal {
    color: var(--color-tactical-teal)
}

.text-bronze {
    color: var(--color-burnished-bronze)
}

.bg-obsidian {
    background-color: var(--color-obsidian-slate)
}

.bg-obsidian-deep {
    background-color: var(--color-obsidian-deep)
}

.bg-obsidian-light {
    background-color: var(--color-obsidian-light)
}

.bg-surface {
    background-color: var(--color-surface)
}

.accent-teal {
    border-color: var(--color-tactical-teal);
    box-shadow: var(--glow-teal)
}

.accent-bronze {
    border-color: var(--color-burnished-bronze);
    box-shadow: var(--glow-bronze)
}

.global-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-sticky);
    padding: var(--space-4) var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-normal);
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent
}

.global-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-text-primary)
}

.global-header__logo-img {
    height: 48px;
    width: 48px;
    object-fit: contain;
    align-self: center;
    vertical-align: middle;
    transform: translateY(4px)
}

.global-header__logo-text {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide)
}

.global-header--b2b {
    border-bottom-color: rgba(0, 71, 171, 0.2);
}

.global-header--b2b .global-header__logo-text {
    color: var(--color-cobalt-blue);
    text-shadow: none;
}

.global-header--private {
    border-bottom-color: rgba(205, 127, 50, 0.1)
}

.global-header--private .global-header__logo-text {
    color: var(--color-burnished-bronze);
    text-shadow: 0 0 10px rgba(205, 127, 50, 0.3)
}

#sentinel-widget-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: var(--z-overlay)
}

/* ═══════════════════════════════════════════════════════════════════════════
   BACK LINK / NAVIGATION RETURNS - UNIFIED
   ═══════════════════════════════════════════════════════════════════════════ */

.back-nav-button {
    display: inline-flex;
    align-items: center;
    /* Vertical alignment fix */
    gap: 10px;
    /* Precise gap as requested */
    padding: var(--space-2) var(--space-4);

    /* Typography */
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    font-size: 14px;
    /* Fixed size */
    text-transform: uppercase;
    text-decoration: none;
    /* No underline */
    letter-spacing: var(--tracking-wide);
    color: var(--color-vapor-grey);

    border: 1px solid transparent;
    border-radius: var(--radius-sm);

    /* Animation Basics - Faster transition */
    transition: all 0.2s ease-in-out;
}

.back-nav-button svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    transition: transform 0.3s ease-in-out;
}

/* Hover Effects: Lift & Slide */
.back-nav-button:hover {
    transform: translateY(-2px);
    /* Lift Effect */
}

.back-nav-button:hover svg {
    transform: translateX(-4px);
    /* Slide-in Effect */
}

/* B2B Contextual Color (Hover Only) */
.global-header--b2b .back-nav-button:hover,
body:not(.global-header-page) .nav:not(.nav--private) .back-nav-button:hover {
    /* Fallback for pages without global header context if needed */
    color: var(--color-cobalt-blue);
    border-color: rgba(0, 71, 171, 0.3);
    box-shadow: none;
}

/* Private Contextual Color (Hover Only) */
.global-header--private .back-nav-button:hover,
body.private-services-page .back-nav-button:hover {
    color: var(--color-burnished-bronze);
    border-color: rgba(205, 127, 50, 0.2);
    box-shadow: 0 4px 15px rgba(205, 127, 50, 0.15);
}

/* ═══════════════════════════════════════════════════════════════════════════
   MEISTER PROFILE IMAGE (HERO INTEGRATION) - LUXURY EDITION
   ═══════════════════════════════════════════════════════════════════════════ */

.meister-hero-image {
    max-height: 450px;
    width: auto;
    object-fit: contain;

    /* Fade-Out Mask for Seamless Blend */
    mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);

    /* Ambient Integration */
    filter: brightness(0.8) contrast(1.1) grayscale(0.2) drop-shadow(0 0 30px var(--sapphire-glow));

    /* Smooth Transition */
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);

    /* Center in column */
    display: block;
    margin: 0 auto;
}

/* Removed Glows for Natural Look */
.glow-b2b {
    filter: drop-shadow(0 0 30px var(--sapphire-glow));
}

.glow-private {
    filter: drop-shadow(0 0 25px rgba(205, 127, 50, 0.4));
}

.meister-signature-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.15rem;
    color: var(--steel-polished);
    text-transform: uppercase;
    font-weight: 500;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .meister-hero-image {
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .meister-hero-image {
        max-height: 350px;
        margin-top: 2rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   WEIGHTY UI UTILITIES
   ═══════════════════════════════════════════════════════════════════════════ */

.animate-ready {
    opacity: 0;
    transform: translateY(20px);
    will-change: opacity, transform;
    transition: opacity var(--duration-weighty) var(--ease-weighty),
        transform var(--duration-weighty) var(--ease-weighty);
}

.animate-active {
    opacity: 1;
    transform: translateY(0);
}

.weighty-transition {
    transition: all var(--duration-weighty) var(--ease-weighty);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .global-header {
        padding: var(--space-3) var(--space-6);
    }

    .global-header__logo-img {
        height: 40px;
        width: 40px;
    }
}

@media (max-width: 768px) {
    .global-header {
        padding: var(--space-3) var(--space-4);
    }

    .global-header__logo-text {
        font-size: var(--text-sm);
        letter-spacing: var(--tracking-normal);
    }

    .global-header__nav ul {
        gap: var(--space-3);
    }

    .back-nav-button {
        font-size: 12px;
        padding: var(--space-2) var(--space-3);
        gap: 6px;
    }

    .back-nav-button svg {
        width: 14px;
        height: 14px;
    }

    #sentinel-widget-container {
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

@media (max-width: 640px) {
    .global-header {
        padding: var(--space-2) var(--space-3);
    }

    .global-header__logo-img {
        height: 36px;
        width: 36px;
    }

    .global-header__logo-text {
        display: none;
    }

    #sentinel-widget-container {
        bottom: 1rem;
        right: 1rem;
    }
}
.form-feedback[hidden] {
    display: none;
}

.form-feedback {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 1.25rem;
    padding: 1.1rem 1.25rem;
    border: 1px solid rgba(197, 155, 77, .55);
    border-radius: 8px;
    background: rgba(17, 28, 34, .92);
    color: #f4f1e9;
    text-align: left;
    line-height: 1.5;
}

.form-feedback--error {
    border-color: rgba(217, 149, 149, .72);
}

.form-feedback__icon {
    display: inline-grid;
    flex: 0 0 2rem;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    color: #d7ad66;
    font-size: 1.15rem;
    font-weight: 700;
}

.form-feedback--error .form-feedback__icon {
    color: #e5a0a0;
}

.form-feedback strong {
    display: block;
    margin: 0 0 .3rem;
    font-size: 1rem;
}

.form-feedback p {
    margin: 0;
    font-size: .94rem;
}

.form-feedback a {
    color: inherit;
    text-decoration: underline;
}

form[action="kontakt.php"] button:disabled {
    opacity: .65;
    cursor: wait;
}