:root {
    --bg-color: #000000;
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --accent: #ccff00;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

.hero-svg-container {
    width: 100%;
    max-width: 2200px;
    margin-bottom: 1rem;
}

.hero-svg {
    width: 100%;
    height: auto;
    overflow: visible;
    filter: drop-shadow(0 0 12px rgba(204, 255, 0, 0.6));
}

.hero-svg .line {
    fill: transparent;
    stroke: var(--accent);
    stroke-width: 1.5px;
    filter: drop-shadow(0 0 1px var(--accent)) drop-shadow(0 0 10px var(--accent));
}

.draw-text {
    font-size: 8rem;
    font-weight: 700;
    letter-spacing: -3px;
    fill: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 3rem;
    opacity: 0;
    margin-top: 3rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
}

.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator .line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-secondary), transparent);
}

.app-showcase {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 4rem;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

.app-showcase.reverse {
    flex-direction: row-reverse;
}

.app-info {
    flex: 1;
    padding: 0 4rem;
    opacity: 0;
}

.app-icon {
    width: 50px;
    height: 50px;
    margin-right: 1rem;
}

.app-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
}

.app-tagline {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.app-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 450px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent);
    color: #000000;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 0 15px rgba(204, 255, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--accent);
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    margin-left: 1rem;
    transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.btn-primary:hover {
    transform: scale(1.05);
    background-color: #dfff00;
    box-shadow: 0 0 25px rgba(204, 255, 0, 0.6);
}

.btn-secondary:hover {
    background-color: rgba(204, 255, 0, 0.1);
    transform: scale(1.05);
}

.app-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(50px);
}

.app-visual.stacked-showcase {
    position: relative;
    width: 100%;
    height: 600px;
    perspective: 1500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stack-img {
    position: absolute;
    width: 260px;
    border-radius: 30px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 40px rgba(255,255,255,0.05);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.6s ease;
}

.stack-img.left {
    transform: translateX(-120px) translateZ(-100px) rotateY(15deg);
    z-index: 1;
    filter: brightness(0.6);
}

.stack-img.right {
    transform: translateX(120px) translateZ(-100px) rotateY(-15deg);
    z-index: 1;
    filter: brightness(0.6);
}

.stack-img.center {
    transform: translateZ(50px);
    z-index: 2;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 60px rgba(255,255,255,0.1);
}

.app-visual.stacked-showcase:hover .stack-img.left {
    transform: translateX(-150px) translateZ(-50px) rotateY(10deg);
    filter: brightness(0.8);
}

.app-visual.stacked-showcase:hover .stack-img.right {
    transform: translateX(150px) translateZ(-50px) rotateY(-10deg);
    filter: brightness(0.8);
}

.app-visual.stacked-showcase:hover .stack-img.center {
    transform: translateZ(80px) scale(1.05);
}

footer {
    padding: 8rem 2rem 4rem;
    text-align: center;
    background-color: #050505;
}

.footer-content h2 {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -1px;
    margin-bottom: 2rem;
}

.copyright {
    margin-top: 6rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 968px) {
    .app-showcase, .app-showcase.reverse {
        flex-direction: column;
        padding: 6rem 2rem;
        text-align: center;
    }
    .app-showcase:not(:nth-of-type(1)) {
        margin-top: 4rem;
    }
    .app-info {
        padding: 0;
        margin-bottom: 4rem;
    }
    .app-title {
        justify-content: center;
    }
    .app-desc {
        margin: 0 auto 2rem;
    }
    .draw-text {
        font-size: 4.5rem;
    }
    .app-tagline {
        font-size: 2.5rem;
    }
    .app-visual.stacked-showcase {
        height: 500px;
    }
    .stack-img {
        width: 45%;
        max-width: 220px;
    }
    .stack-img.left {
        transform: translateX(-50px) translateZ(-100px) rotateY(15deg);
    }
    .stack-img.right {
        transform: translateX(50px) translateZ(-100px) rotateY(-15deg);
    }
    .app-visual.stacked-showcase:hover .stack-img.left {
        transform: translateX(-70px) translateZ(-50px) rotateY(10deg);
    }
    .app-visual.stacked-showcase:hover .stack-img.right {
        transform: translateX(70px) translateZ(-50px) rotateY(-10deg);
    }
}

.radius-visual {
    position: relative;
    width: 100%;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.radius-outer {
    width: 320px;
    height: 320px;
    background: linear-gradient(135deg, rgba(204, 255, 0, 0.2), rgba(204, 255, 0, 0.05));
    border: 2px solid var(--accent);
    border-radius: 64px;
    padding: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 40px rgba(204, 255, 0, 0.1);
    animation: pulseRadius 6s infinite alternate;
}

.radius-inner {
    width: 100%;
    height: 100%;
    background-color: var(--accent);
    border-radius: 32px;
    box-shadow: 0 10px 30px rgba(204, 255, 0, 0.2);
    animation: pulseInnerRadius 6s infinite alternate;
}

@keyframes pulseRadius {
    0% { border-radius: 64px; padding: 32px; transform: scale(1); }
    100% { border-radius: 128px; padding: 16px; transform: scale(1.05); box-shadow: 0 0 60px rgba(204, 255, 0, 0.3); }
}

@keyframes pulseInnerRadius {
    0% { border-radius: 32px; }
    100% { border-radius: 112px; }
}

@media (max-width: 968px) {
    .radius-visual {
        height: 400px;
    }
    .radius-outer {
        width: 240px;
        height: 240px;
    }
}

.laundry-visual {
    position: relative;
    width: 100%;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.scanner-container {
    width: 280px;
    height: 280px;
    border: 3px dashed rgba(204, 255, 0, 0.4);
    border-radius: 30px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(204, 255, 0, 0.1), transparent 70%);
    overflow: hidden;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.5);
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    box-shadow: 0 0 20px 8px rgba(204, 255, 0, 0.4);
    animation: scanAnimation 2.5s infinite linear;
}

@keyframes scanAnimation {
    0% { top: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.laundry-symbol {
    width: 120px;
    height: 100px;
    border: 6px solid var(--text-primary);
    border-top: none;
    border-radius: 0 0 50px 50px;
    position: relative;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
}

.laundry-symbol .wave {
    position: absolute;
    bottom: 25px;
    left: 15px;
    width: 90px;
    height: 20px;
    border-bottom: 6px solid var(--accent);
    border-radius: 50%;
    animation: waveAction 2s infinite ease-in-out alternate;
}

@keyframes waveAction {
    0% { transform: scaleX(0.8) translateY(0); }
    100% { transform: scaleX(1.1) translateY(-8px); }
}

@media (max-width: 968px) {
    .laundry-visual {
        height: 400px;
    }
    .scanner-container {
        width: 220px;
        height: 220px;
    }
    .laundry-symbol {
        transform: scale(0.8);
    }
}