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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #1a1a1a;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    padding: 0 5%;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.1);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-svg {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: clamp(15px, 3vw, 40px);
    list-style: none;
}

.nav-links a {
    color: #1a1a1a;
    text-decoration: none;
    font-size: clamp(12px, 1.5vw, 14px);
    font-weight: 500;
    transition: opacity 0.3s;
    cursor: pointer;
    white-space: nowrap;
}

.nav-links a:hover {
    opacity: 0.6;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=2400&q=80') center/cover;
    opacity: 0.15;
    z-index: 0;
}

.hero-content {
    text-align: center;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
    position: relative;
    z-index: 1;
}

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

.hero-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 30px;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.15));
}

.hero h1 {
    font-size: clamp(48px, 8vw, 60px);
    font-weight: 700;
    margin-bottom: 50px;
    letter-spacing: -3px;
    line-height: 1;
    color: #ffffff;
}

.hero p {
    font-size: clamp(18px, 2.5vw, 28px);
    font-weight: 400;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.95);
}

/* Glass Button */
.glass-btn {
    display: inline-block;
    padding: 16px 40px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 980px;
    color: #ffffff;
    text-decoration: none;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Sections */
section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 100px 5%;
    position: relative;
}

.section-content {
    max-width: 1100px;
    width: 100%;
    text-align: center;
}

section h2 {
    font-size: clamp(36px, 5vw, 72px);
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: -1.5px;
    color: #1a1a1a;
}

section p {
    font-size: clamp(16px, 2vw, 24px);
    font-weight: 400;
    line-height: 1.6;
    color: #4a5568;
    margin-bottom: 40px;
}

#applications {
    background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
    width: 100%;
}

.app-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.app-card:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.app-icon {
    font-size: 56px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.app-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
    color: #1a1a1a;
}

.app-card p {
    font-size: 16px;
    color: #4a5568;
    margin-bottom: 0;
}

#demo {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.video-container {
    width: 100%;
    max-width: 1000px;
    aspect-ratio: 16/9;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    overflow: hidden;
    margin-top: 40px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.demo-link {
    margin-top: 30px;
    display: inline-block;
}

.glass-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 980px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.glass-link:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

#contact {
    background: linear-gradient(135deg, #edf2f7 0%, #e2e8f0 100%);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    padding: 50px 40px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.08);
    margin-top: 40px;
}

.contact-card h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 48px;
    background: rgba(102, 126, 234, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 980px;
    color: #667eea;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
    margin-top: 20px;
}

.email-link:hover {
    background: rgba(102, 126, 234, 0.25);
    border-color: rgba(102, 126, 234, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.25);
}

.contact-info {
    margin-top: 30px;
    font-size: 16px;
    color: #4a5568;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .logo-text {
        font-size: 18px;
    }

    .logo-svg {
        width: 32px;
        height: 32px;
    }

    .hero-logo {
        width: 80px;
        height: 80px;
    }

    .nav-links {
        gap: 15px;
    }

    .app-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-card {
        padding: 40px 25px;
    }
}