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

:root {
    --primary: #00d4ff;
    --secondary: #7b2ff7;
    --accent: #ff00ff;
    --dark: #0a0e27;
    --darker: #050714;
    --light: #ffffff;
    --gray: #8892b0;
    --card-bg: rgba(10, 14, 39, 0.7);
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 50%, #ff00ff 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--darker);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    padding: 20px 0;
    background: rgba(5, 7, 20, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-tagline {
    font-size: 12px;
    color: var(--gray);
    margin-top: -2px;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    position: relative;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-description {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 50px;
}

/* Calendar Preview */
.hero-visual {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.calendar-preview {
    background: var(--card-bg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    box-shadow: 0 25px 50px -12px rgba(0, 212, 255, 0.25);
    max-width: 500px;
    width: 100%;
    animation: float 6s ease-in-out infinite;
}

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

.calendar-header {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    margin-bottom: 20px;
}

.calendar-date {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
}

.calendar-events {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.event-item:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateX(5px);
    box-shadow: 0 10px 30px -10px rgba(0, 212, 255, 0.3);
}

.event-time {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.event-title {
    flex: 1;
    color: var(--light);
    font-size: 14px;
}

.event-device {
    font-size: 20px;
}

/* Features */
.features {
    padding: 80px 0;
    background: rgba(10, 14, 39, 0.3);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0, 212, 255, 0.3);
    border-color: var(--primary);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--light);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--light);
}

.feature-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.8;
}

/* Integration */
.integration {
    padding: 80px 0;
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
}

.device-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.device-item:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: scale(1.05);
}

.device-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.device-item span {
    font-size: 13px;
    color: var(--gray);
}

/* Automation */
.automation {
    padding: 80px 0;
    background: rgba(10, 14, 39, 0.3);
}

.scenario-list {
    display: grid;
    gap: 25px;
}

.scenario-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 30px;
    align-items: center;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.scenario-item:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 30px -10px rgba(0, 212, 255, 0.2);
}

.scenario-time {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
}

.scenario-content h4 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 18px;
}

.scenario-content p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.8;
}

/* Technical */
.technical {
    padding: 80px 0;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.spec-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.spec-card h4 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 18px;
}

.spec-card ul {
    list-style: none;
}

.spec-card li {
    color: var(--gray);
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.05);
}

.spec-card li:last-child {
    border-bottom: none;
}

.spec-card li::before {
    content: "▸";
    color: var(--primary);
    margin-right: 10px;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: var(--darker);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--gray);
    font-size: 12px;
    margin-top: 5px;
}

.footer-info p {
    color: var(--gray);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .device-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .scenario-item {
        grid-template-columns: 60px 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.event-item[data-type="home"] {
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 0s;
}

.event-item[data-type="climate"] {
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 1s;
}

.event-item[data-type="work"] {
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 2s;
}