.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg-effect {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(16, 185, 129, 0.08) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin-bottom: 3rem;
    animation: slideUp 0.8s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 50%, var(--accent-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero > p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
    margin-bottom: 2rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.stat {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.08));
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.section-about {
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.about-text .lead {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.about-features {
    display: grid;
    gap: 1.5rem;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.about-feature i {
    font-size: 1.8rem;
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 0.3rem;
}

.about-feature h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.about-feature p {
    margin: 0;
    color: var(--text-secondary);
}

.iot-visualization {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iot-center {
    position: absolute;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    z-index: 2;
}

.iot-device {
    position: absolute;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    cursor: pointer;
}

.iot-device:hover {
    transform: scale(1.1);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
}

.iot-device i {
    font-size: 1.6rem;
    color: var(--accent-primary);
}

.iot-device span {
    font-size: 0.7rem;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 500;
}

.iot-device-1 { top: 0%; left: 50%; transform: translateX(-50%); animation: float 4s ease-in-out infinite; }
.iot-device-2 { top: 15%; right: 0%; animation: float 5s ease-in-out infinite reverse; }
.iot-device-3 { top: 60%; right: 5%; animation: float 4.5s ease-in-out infinite; }
.iot-device-4 { bottom: 0%; right: 30%; animation: float 5.5s ease-in-out infinite reverse; }
.iot-device-5 { bottom: 15%; left: 10%; animation: float 5s ease-in-out infinite; }
.iot-device-6 { top: 50%; left: 0%; animation: float 4s ease-in-out infinite reverse; }

.section-features {
    background: linear-gradient(180deg, rgba(255,255,255,0.01) 0%, transparent 100%);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    position: relative;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 2.5rem;
    border-radius: 14px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    overflow: hidden;
}

.feature::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
}

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

.feature-icon {
    position: relative;
    z-index: 1;
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.feature h3 {
    position: relative;
    z-index: 1;
    margin: 0 0 0.8rem 0;
}

.feature p {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    margin: 0;
}

.feature-arrow {
    position: absolute;
    right: 1.5rem;
    bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--accent-primary);
    opacity: 0;
    transition: all 0.3s ease;
}

.feature:hover .feature-arrow {
    opacity: 1;
    transform: translateX(5px);
}

.timeline {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    padding: 2rem;
    flex-wrap: wrap;
    margin-top: 3rem;
    position: relative;
}

.timeline-connector {
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    position: relative;
    display: none;
}

.box {
    position: relative;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 1.5rem;
    border-radius: 14px;
    width: 180px;
    min-height: 240px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.box h3 {
    margin: 0.5rem 0 0 0;
    font-size: 1rem;
    line-height: 1.2;
}

.box p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.3;
    color: var(--text-secondary);
}

.box-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    font-size: 0.9rem;
}

.box:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.2);
}

.section-team {
    background: linear-gradient(180deg, rgba(255,255,255,0.01) 0%, transparent 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.team-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 2.5rem;
    border-radius: 14px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.team-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
}

.team-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.team-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.4rem;
}

.team-role {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.team-card > p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 1rem 0 0 0;
    flex-grow: 1;
}

.team-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.team-link:hover {
    color: var(--accent-secondary);
    transform: translateX(5px);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: -1rem;
    margin-bottom: 2rem;
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.08));
    border-radius: 14px;
    border: 1px solid var(--border);
}

.section-cta p {
    color: var(--text-secondary);
    margin: 0 0 1.5rem 0;
    font-size: 1.05rem;
}

.cta-section {
    text-align: center;
    padding: 6rem 4%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(16, 185, 129, 0.1));
    border-top: 1px solid var(--border);
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 0.8rem;
}

.cta-section > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

footer {
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
    border-top: 1px solid var(--border);
    padding: 4rem 4%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin: 0 0 1rem 0;
    font-size: 1.05rem;
}

.footer-section p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .iot-visualization {
        aspect-ratio: auto;
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 3rem 1.5rem;
    }

    .hero {
        height: auto;
        min-height: 60vh;
        padding: 2rem 1rem;
        justify-content: center;
    }

    .hero h1 {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
        line-height: 1.2;
    }

    .hero > p {
        font-size: 0.95rem;
        margin: 1rem 0 1.5rem 0;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        max-width: 260px;
        gap: 1rem;
        margin-top: 2rem;
    }

    .stat {
        padding: 1rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat p {
        font-size: 0.85rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature {
        padding: 1.5rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        flex-direction: column;
        gap: 1.5rem;
    }

    .box {
        width: 100%;
        max-width: 260px;
    }

    .timeline-connector {
        display: none;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }
}