/* screenFX - Combined Styles */

/* === variables.css === */
/* ==========================================================================
   CSS Variables - Farben, Abstände, Fonts
   ========================================================================== */

/* Local Inter Font (DSGVO-konform, kein Google Fonts CDN) */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url('../fonts/inter-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url('../fonts/inter-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    /* Colors - Light Mode */
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #34d399;

    --color-bg: #ffffff;
    --color-bg-alt: #f3f4f6;
    --color-surface: #ffffff;

    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;

    --color-border: #e5e7eb;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-navbar: 200;
    --z-modal: 300;
    --z-toast: 400;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Dark Mode Variables */
.dark {
    --color-bg: #111827;
    --color-bg-alt: #1f2937;
    --color-surface: #1f2937;

    --color-text: #f9fafb;
    --color-text-muted: #9ca3af;
    --color-text-light: #6b7280;

    --color-border: #374151;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
}


/* === base.css === */
/* ==========================================================================
   Base Styles - Reset, Typography, Global Elements
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: background-color var(--transition), color var(--transition);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-3xl);
}

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

/* Focus */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-light);
    border-radius: var(--radius);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}


/* === layout.css === */
/* ==========================================================================
   Layout - Navbar, Grids, Footer
   ========================================================================== */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-md) var(--container-padding);
}

.nav-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.nav-brand:hover {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-muted);
    border-radius: var(--radius);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.social-link:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.theme-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    border-radius: var(--radius);
    cursor: pointer;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

.dark .theme-toggle .sun-icon {
    display: none;
}

.dark .theme-toggle .moon-icon {
    display: block;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger {
    position: relative;
    width: 20px;
    height: 2px;
    background-color: var(--color-text);
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Grids */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.references-grid {
    display: grid;
    margin-bottom: var(--spacing-xl);
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
}

.contact-info>p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
}

.contact-item a {
    color: var(--color-text-muted);
}

.contact-item a:hover {
    color: var(--color-primary);
}

.contact-form {
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

/* Responsive */
@media (max-width: 1024px) {

    .about-grid,
    .skills-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 480px) {
    .references-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .about-grid,
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* === components.css === */
/* ==========================================================================
   Components - Buttons, Cards, Forms, etc.
   ========================================================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

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

.btn-download {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
}

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

.btn-full {
    width: 100%;
}

/* Cards */
.card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* About Cards */
.about-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.about-card h3 {
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Skill Cards */
.skill-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-primary);
    transition: transform var(--transition);
}

.skill-card:hover {
    transform: translateX(4px);
}

.skill-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.skill-card p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Download Cards */
.download-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.download-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.download-card h3 {
    margin-bottom: var(--spacing-sm);
}

.download-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.download-meta {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* Project Cards */
.project-card {
    display: block;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-primary);
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.project-card p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Project Page */
.project-description {
    max-width: 800px;
}

.project-description p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.project-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.project-screenshot img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.project-screenshot-caption {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Reference Cards */
.reference-card {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
    filter: grayscale(100%);
}

.reference-card:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.reference-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.reference-card .reference-name {
    display: block;
    text-align: center;
    font-size: calc(var(--font-size-base) + 0.2em);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

.reference-card.demo-scene-card {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    filter: none;
    animation: demoCardTileRotate 120s linear infinite;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.45),
        inset 0 -10px 18px rgba(0, 0, 0, 0.22),
        var(--shadow-lg);
}

.reference-card.demo-scene-card:hover {
    filter: none;
}

.reference-card.demo-scene-card::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        repeating-linear-gradient(90deg,
            hsl(0 100% 70% / 0.92) 0 8%,
            hsl(35 100% 72% / 0.92) 8% 16%,
            hsl(58 100% 70% / 0.92) 16% 24%,
            hsl(130 96% 66% / 0.92) 24% 32%,
            hsl(195 100% 68% / 0.92) 32% 40%,
            hsl(235 100% 72% / 0.92) 40% 48%,
            hsl(280 100% 74% / 0.92) 48% 56%,
            hsl(320 100% 72% / 0.92) 56% 64%);
    background-size: 220% 100%;
    background-position: 0% 50%;
    transform: translateX(-4%) scaleX(1.08);
    animation: demoCardBarsShift 4.2s linear infinite, demoCardBarsWobble 2s ease-in-out infinite, demoCardRainbowCycle 6s linear infinite, demoCardGradientFlow 3.6s linear infinite;
    opacity: 0.92;
    filter: saturate(1.25) brightness(1.12) contrast(1.05);
}

.reference-card.demo-scene-card::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        repeating-linear-gradient(90deg,
            hsl(0 100% 70% / 0.92) 0 8%,
            hsl(35 100% 72% / 0.92) 8% 16%,
            hsl(58 100% 70% / 0.92) 16% 24%,
            hsl(130 96% 66% / 0.92) 24% 32%,
            hsl(195 100% 68% / 0.92) 32% 40%,
            hsl(235 100% 72% / 0.92) 40% 48%,
            hsl(280 100% 74% / 0.92) 48% 56%,
            hsl(320 100% 72% / 0.92) 56% 64%);
}

.reference-card.demo-scene-card .reference-name {
    position: relative;
    z-index: 2;
    color: #ffffff;
    text-shadow:
        0 1px 0 rgba(0, 0, 0, 0.45),
        0 0 8px rgba(255, 255, 255, 0.35);
}

@keyframes demoCardBarsShift {
    0% {
        transform: translateX(-6%) rotate(0deg) scaleX(1.08);
    }

    50% {
        transform: translateX(6%) rotate(180deg) scaleX(1.08);
    }

    100% {
        transform: translateX(-6%) rotate(360deg) scaleX(1.08);
    }
}

@keyframes demoCardBarsWobble {
    0% {
        filter: hue-rotate(0deg) saturate(1);
    }

    50% {
        filter: hue-rotate(30deg) saturate(1.25);
    }

    100% {
        filter: hue-rotate(0deg) saturate(1);
    }
}

@keyframes demoCardRainbowCycle {
    0% {
        filter: hue-rotate(0deg) saturate(1.15) brightness(1.02);
    }

    100% {
        filter: hue-rotate(360deg) saturate(1.2) brightness(1.04);
    }
}

@keyframes demoCardGradientFlow {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 50%;
    }
}

@keyframes demoCardTileRotate {
    0% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Privacy Note */
.form-privacy-note {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
}

.form-privacy-note a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-privacy-note a:hover {
    color: var(--color-primary-dark);
}

/* Legal Content (Impressum, Datenschutz) */
.legal-content {
    max-width: 800px;
}

.legal-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

.legal-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.legal-content p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.legal-content a {
    color: var(--color-primary);
}

.legal-content a:hover {
    color: var(--color-primary-dark);
}

.legal-content ul {
    color: var(--color-text-muted);
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-toast);
    transform: translateY(100px);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
}

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

.toast.success {
    border-left: 4px solid var(--color-primary);
}

.toast.error {
    border-left: 4px solid #ef4444;
}

/* === sections.css === */
/* ==========================================================================
   Sections - Hero, About, Skills, Downloads, Contact
   ========================================================================== */

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(60px + var(--spacing-2xl)) var(--container-padding) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    position: relative;
    overflow: hidden;
}

.fractal-bg {
    position: absolute;
    inset: 0 0 0 0;
    width: 100%;
    height: 100%;
    opacity: 0.34;
    pointer-events: none;
    z-index: 0;
    transform-origin: center;
    will-change: transform, opacity;
    display: block;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-location {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    flex-shrink: 0;
}

.profile-img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-primary);
}

/* Animations */
.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-delay {
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.animate-fade-in-delay-2 {
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.animate-fade-in-delay-3 {
    animation: fadeInUp 0.6s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Hero */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }

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

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

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

    .profile-img {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: calc(60px + var(--spacing-xl));
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-description {
        font-size: var(--font-size-lg);
    }
}

.bar-2 {
    left: 14%;
    animation-delay: -1.4s;
}

.bar-3 {
    left: 32%;
    animation-delay: -2.2s;
}

.bar-4 {
    left: 50%;
    animation-delay: -0.9s;
}

.bar-5 {
    left: 68%;
    animation-delay: -1.9s;
}

.bar-6 {
    left: 86%;
    animation-delay: -2.8s;
}

@keyframes wobbleBars {
    0% {
        transform: translateY(0) skewY(-5deg) scaleY(0.96);
    }

    25% {
        transform: translateY(-1.5%) skewY(4deg) scaleY(1.04);
    }

    50% {
        transform: translateY(1.5%) skewY(-3deg) scaleY(0.98);
    }

    75% {
        transform: translateY(-0.5%) skewY(5deg) scaleY(1.02);
    }

    100% {
        transform: translateY(0) skewY(-5deg) scaleY(0.96);
    }
}

@keyframes driftBars {
    0% {
        transform: translateX(-1.2%) skewX(0deg);
    }

    50% {
        transform: translateX(1.8%) skewX(1deg);
    }

    100% {
        transform: translateX(-1.2%) skewX(0deg);
    }
}