/* ===================================
   CSS Custom Properties & Design System
   =================================== */

:root {
    /* Keep site BLACK / near-black */
    --color-bg-primary: hsl(0, 0%, 3%);
    --color-bg-secondary: hsl(0, 0%, 6%);
    --color-bg-tertiary: hsl(0, 0%, 9%);

    --color-text-primary: hsl(0, 0%, 95%);
    --color-text-secondary: hsl(0, 0%, 72%);
    --color-text-muted: hsl(0, 0%, 52%);

    /* Whisky accent (amber / gold) */
    --color-accent-primary: hsl(38, 92%, 55%);     /* amber */
    --color-accent-secondary: hsl(28, 90%, 52%);   /* warm gold */
    --color-accent-tertiary: hsl(18, 88%, 50%);    /* copper */

    --gradient-primary: linear-gradient(135deg, hsl(38, 92%, 55%), hsl(18, 88%, 50%));
    --gradient-secondary: linear-gradient(135deg, hsl(28, 90%, 52%), hsl(38, 92%, 55%));

    /* not used as main hero color anymore (hero is image), but kept for highlights */
    --gradient-hero: linear-gradient(135deg, hsl(38, 92%, 55%) 0%, hsl(18, 88%, 50%) 50%, hsl(28, 90%, 52%) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;

    /* Effects (warmer glow, subtle) */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 40px rgba(214, 141, 18, 0.28);

    --blur-glass: blur(10px);
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html { scroll-behavior: smooth; overflow-x: hidden; }

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; transition: all var(--transition-base); }

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

/* ===================================
   Utility Classes
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: var(--font-size-4xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

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

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.82);
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img{
    height: 28px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover { color: var(--color-text-primary); }
.nav-link:hover::after { width: 100%; }

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

/* whisky hero image + dark overlay + subtle amber vignette */
.hero-background {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;

    background:
        radial-gradient(80% 80% at 75% 75%, rgba(214, 141, 18, 0.18), rgba(0,0,0,0) 55%),
        linear-gradient(180deg, rgba(0,0,0,0.72), rgba(0,0,0,0.78)),
        url("whiskyglas-hoch.png");

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    opacity: 1;
    transform: translateY(0);
    will-change: transform;
}

.hero-background::after{
    content:"";
    position:absolute;
    inset:0;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.06), rgba(0,0,0,0) 35%);
    opacity: 0.35;
    pointer-events:none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-logo{
    display:flex;
    justify-content:center;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-logo img{
    height: 38px;
    width: auto;
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.45);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.45);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    font-size: var(--font-size-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: #0b0b0b;
    box-shadow: 0 4px 15px rgba(214, 141, 18, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(214, 141, 18, 0.42);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid rgba(214, 141, 18, 0.75);
}

.btn-secondary:hover {
    background: rgba(214, 141, 18, 0.16);
    transform: translateY(-2px);
}

/* ===================================
   About Section
   =================================== */

.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
}

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

.glass-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow-glow);
}

.card-icon { font-size: var(--font-size-4xl); margin-bottom: var(--spacing-md); }

.glass-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card p { color: var(--color-text-secondary); line-height: 1.8; }

/* ===================================
   Programme Section (Skills)
   =================================== */

.skills { padding: var(--spacing-3xl) 0; }

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

.skill-item {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.skill-item:hover {
    border-color: rgba(214, 141, 18, 0.55);
    transform: translateY(-5px);
}

.skill-icon { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-md); }
.skill-item h3 { font-size: var(--font-size-xl); margin-bottom: var(--spacing-md); }

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(214, 141, 18, 0.14);
    color: hsl(38, 92%, 62%);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid rgba(214, 141, 18, 0.24);
    transition: all var(--transition-base);
}

.tag:hover {
    background: rgba(214, 141, 18, 0.22);
    transform: scale(1.05);
}

/* ===================================
   Galerie Section (Projects)
   =================================== */

.projects { padding: var(--spacing-3xl) 0; background: var(--color-bg-secondary); }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img { transform: scale(1.1); }

.project-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(214, 141, 18, 0.78);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-link {
    color: #0b0b0b;
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid rgba(0,0,0,0.85);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    background: rgba(255,255,255,0.10);
}

.project-link:hover {
    background: rgba(0,0,0,0.85);
    color: hsl(38, 92%, 62%);
    border-color: rgba(0,0,0,0.85);
}

.project-info { padding: var(--spacing-xl); }
.project-info h3 { font-size: var(--font-size-2xl); margin-bottom: var(--spacing-sm); }
.project-info p { color: var(--color-text-secondary); margin-bottom: var(--spacing-md); }

.project-tags { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); }

/* ===================================
   Kontakt Section
   =================================== */

.contact { padding: var(--spacing-3xl) 0; }

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.contact-info h3 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-md); }

.contact-info p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-details { margin-bottom: var(--spacing-xl); }

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.contact-icon { font-size: var(--font-size-2xl); }

.social-links { display: flex; gap: var(--spacing-md); }

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
    color: #0b0b0b;
}

.contact-form {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group { margin-bottom: var(--spacing-lg); }

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(214, 141, 18, 0.75);
    box-shadow: 0 0 0 3px rgba(214, 141, 18, 0.12);
}

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

.btn-submit { width: 100%; }

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

.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* ===================================
   Animations
   =================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.92);
        backdrop-filter: var(--blur-glass);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-links.active { transform: translateX(0); }
    .mobile-menu-toggle { display: flex; }

    .mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

    .hero-title { font-size: var(--font-size-4xl); }
    .hero-subtitle { font-size: var(--font-size-lg); }
    .section-title { font-size: var(--font-size-3xl); }

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

@media (max-width: 480px) {
    :root { --spacing-3xl: 3rem; }
    .container { padding: 0 var(--spacing-md); }
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
}

/* =========================
   Lightbox (same-tab modal)
   ========================= */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}

.lightbox.is-open {
    display: block;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(4px);
}

.lightbox-content {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 80px 18px 24px 18px;
}

.lightbox-image {
    max-width: min(1100px, 92vw);
    max-height: min(78vh, 900px);
    width: auto;
    height: auto;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: var(--shadow-lg);
}

.lightbox-back,
.lightbox-close {
    position: fixed;
    top: 18px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(0,0,0,0.55);
    color: var(--color-text-primary);
    backdrop-filter: var(--blur-glass);
    padding: 10px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lightbox-back:hover,
.lightbox-close:hover {
    border-color: rgba(214, 141, 18, 0.55);
    box-shadow: 0 0 0 3px rgba(214, 141, 18, 0.10);
}

.lightbox-back {
    left: 18px;
    font-weight: 600;
}

.lightbox-close {
    right: 18px;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    font-size: 22px;
    line-height: 1;
}