:root {
    --background: #020617; /* slate-950 */
    --foreground: #e2e8f0; /* slate-200 */
    --card: #0f172a; /* slate-900 */
    --card-foreground: #f8fafc; /* slate-50 */
    --primary: #14F195; /* brand DEFAULT */
    --brand-start: #9945FF;
    --brand-end: #14F195;
    --border: #1e293b; /* slate-800 */
    --muted: #64748b; /* slate-500 */
    --radius: 0.75rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sektions-Animationen */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Hintergrund-Animation */
@keyframes bg-pulse {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(2%, 2%) scale(1.05); }
    66% { transform: translate(-1%, 3%) scale(0.98); }
}

.bg-glow {
    position: fixed;
    top: -10%;
    left: -10%;
    right: -10%;
    bottom: -10%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(153, 69, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(20, 241, 149, 0.08) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
    animation: bg-pulse 15s ease-in-out infinite;
}

/* Layout */
.container-main {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
}

.content-wrapper {
    max-width: 1000px;
    width: 100%;
    z-index: 1;
}

/* Header & Logo */
.brand-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.brand-logo {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 25px rgba(20, 241, 149, 0.3));
    animation: logo-glow 8s ease-in-out infinite;
}

@keyframes logo-glow {
    0%, 100% { filter: drop-shadow(0 0 25px rgba(20, 241, 149, 0.3)); }
    15% { filter: drop-shadow(0 0 45px rgba(20, 241, 149, 0.55)); }
    30% { filter: drop-shadow(0 0 35px rgba(20, 241, 149, 0.4)); }
    45% { filter: drop-shadow(0 0 50px rgba(20, 241, 149, 0.6)); }
    60% { filter: drop-shadow(0 0 30px rgba(20, 241, 149, 0.35)); }
    75% { filter: drop-shadow(0 0 40px rgba(20, 241, 149, 0.5)); }
    85% { filter: drop-shadow(0 0 28px rgba(20, 241, 149, 0.32)); }
}

.brand-title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    background: linear-gradient(to right, var(--brand-start), var(--brand-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.description {
    max-width: 600px;
    margin: 0 auto 3rem;
    color: var(--muted);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Countdown */
.countdown-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.countdown-item {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--foreground);
    font-variant-numeric: tabular-nums;
}

.countdown-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--muted);
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* Scroll Indicator */
.scroll-indicator {
    margin-top: 2rem;
    margin-bottom: 6rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.scroll-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--muted);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite ease-in-out;
}

@keyframes scroll-wheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

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

.arrows span {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--muted);
    border-right: 2px solid var(--muted);
    transform: rotate(45deg);
    margin: -4px;
    animation: arrows-down 2s infinite;
}

.arrows span:nth-child(2) { animation-delay: 0.2s; }
.arrows span:nth-child(3) { animation-delay: 0.4s; }

@keyframes arrows-down {
    0% { opacity: 0; transform: rotate(45deg) translate(-10px, -10px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: rotate(45deg) translate(10px, 10px); }
}

/* Features */
.stack-section {
    padding-top: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-description {
    color: var(--muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.feature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(153, 69, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-start);
    font-size: 1.25rem;
}

.feature-text {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Tech Grid */
.tech-highlight {
    margin: 4rem 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.tech-card {
    background: rgba(15, 23, 42, 0.5);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
}

.tech-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.tech-card p {
    color: var(--muted);
    font-size: 0.875rem;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, rgba(153, 69, 255, 0.1), rgba(20, 241, 149, 0.1));
    padding: 4rem 2rem;
    border-radius: 2rem;
    border: 1px solid var(--border);
    margin: 6rem 0;
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-text {
    color: var(--muted);
    margin-bottom: 2rem;
}

.waitlist-form {
    display: flex;
    gap: 0.5rem;
    max-width: 400px;
    margin: 0 auto;
}

.waitlist-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background: var(--background);
    color: var(--foreground);
}

.waitlist-form button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    border: none;
    background: var(--primary);
    color: var(--background);
    font-weight: 600;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Footer */
.seo-footer {
    border-top: 1px solid var(--border);
    padding-top: 4rem;
    margin-top: 4rem;
}

.seo-footer h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--foreground);
}

.seo-footer p {
    color: var(--muted);
    font-size: 0.875rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 2;
}

.language-switcher {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.language-switcher a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.language-switcher a:hover, .language-switcher a.active {
    color: var(--primary);
}

/* Hover-Effekte verfeinern */
.feature {
    text-align: left;
    padding: 2rem;
    border-radius: var(--radius);
    background: var(--card);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.feature::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(20, 241, 149, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

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

.tech-card {
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.tech-card:hover {
    transform: translateY(-8px);
}

.tech-card i {
    font-size: 2rem;
    color: var(--brand-start);
    margin-bottom: 1rem;
    display: block;
    transition: transform 0.3s ease;
}

.tech-card:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* Responsive */
@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .brand-title {
        font-size: 3rem;
    }
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .cta-box {
        padding: 3rem 1.5rem;
        margin: 4rem 0;
    }
}

@media (max-width: 640px) {
    .countdown-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .container-main {
        padding: 6rem 1.5rem 3rem;
    }
    .brand-title {
        font-size: 2.5rem;
    }
    .subtitle {
        font-size: 1.125rem;
    }
    .description {
        font-size: 1rem;
    }
    .waitlist-form {
        flex-direction: column;
    }
    .waitlist-form button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .countdown-section {
        gap: 0.75rem;
    }
    .countdown-item {
        padding: 1rem;
    }
    .countdown-number {
        font-size: 2rem;
    }
}