/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background: #ffffff;
    color: #0a2540;
    overflow-x: hidden;
}

/* Background particles container */
.background-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Section Base Styles */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 60px 20px;
}

/* Hero Section */
.hero-section {
    flex-direction: column;
    background: #ffffff;
}

.orb-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orb {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%,
            rgba(255, 255, 255, 0.85) 0%,
            rgba(200, 220, 255, 0.5) 20%,
            rgba(120, 160, 230, 0.3) 40%,
            rgba(80, 120, 200, 0.25) 60%,
            rgba(40, 80, 160, 0.3) 80%,
            rgba(10, 37, 64, 0.5) 100%),
        radial-gradient(circle at 70% 70%,
            rgba(180, 200, 255, 0.3) 0%,
            rgba(140, 180, 240, 0.15) 30%,
            transparent 60%);
    box-shadow:
        0 0 60px 30px rgba(120, 160, 230, 0.4),
        0 0 100px 50px rgba(80, 120, 200, 0.25),
        0 0 140px 70px rgba(40, 80, 160, 0.15),
        inset 0 0 50px rgba(255, 255, 255, 0.6),
        inset 0 0 80px rgba(120, 160, 230, 0.3);
    animation: pulse 6s ease-in-out infinite, ghostFloat 8s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.orb-network {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

/* Aura around the orb */
.orb::before {
    content: "";
    position: absolute;
    top: -80px;
    left: -80px;
    right: -80px;
    bottom: -80px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(120, 160, 230, 0.3) 0%,
        rgba(80, 120, 200, 0.2) 40%,
        rgba(40, 80, 160, 0.1) 70%,
        transparent 90%);
    filter: blur(40px);
    animation: auraBreath 8s ease-in-out infinite;
    z-index: -1;
}

.orb::after {
    content: "";
    position: absolute;
    top: -120px;
    left: -120px;
    right: -120px;
    bottom: -120px;
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(100, 140, 220, 0.2) 0%,
        rgba(60, 100, 180, 0.1) 50%,
        transparent 80%);
    filter: blur(60px);
    animation: auraBreath 12s ease-in-out infinite reverse;
    z-index: -2;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0.7;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.scroll-indicator span {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #0a2540;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid #0a2540;
    border-bottom: 2px solid #0a2540;
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

/* Feature Sections */
.feature-section {
    background: #ffffff;
}

.feature-content {
    max-width: 800px;
    text-align: center;
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-section.visible .feature-content {
    opacity: 1;
    transform: translateY(0);
}

.feature-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: #0a2540;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.feature-description {
    font-size: 1.25rem;
    line-height: 1.7;
    color: rgba(10, 37, 64, 0.7);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.feature-list li {
    font-size: 1.1rem;
    color: rgba(10, 37, 64, 0.8);
    padding-left: 28px;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #78a0e6 0%, #2850a0 100%);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 100%);
}

.cta-content {
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.cta-section.visible .cta-content {
    opacity: 1;
    transform: translateY(0);
}

.cta-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: #0a2540;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(10, 37, 64, 0.6);
}

/* Floating particles */
.particle {
    position: fixed;
    background: rgba(10, 37, 64, 0.08);
    border-radius: 50%;
    animation: float 15s linear infinite;
    pointer-events: none;
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow:
            0 0 60px 30px rgba(120, 160, 230, 0.4),
            0 0 100px 50px rgba(80, 120, 200, 0.25),
            0 0 140px 70px rgba(40, 80, 160, 0.15),
            inset 0 0 50px rgba(255, 255, 255, 0.6),
            inset 0 0 80px rgba(120, 160, 230, 0.3);
    }
    50% {
        transform: scale(1.06);
        box-shadow:
            0 0 80px 40px rgba(120, 160, 230, 0.5),
            0 0 120px 60px rgba(80, 120, 200, 0.35),
            0 0 160px 80px rgba(40, 80, 160, 0.2),
            inset 0 0 60px rgba(255, 255, 255, 0.7),
            inset 0 0 100px rgba(120, 160, 230, 0.4);
    }
}

@keyframes ghostFloat {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-8px); }
    75% { transform: translateY(8px); }
}

@keyframes auraBreath {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

@keyframes float {
    0% { transform: translateY(0) scale(1); opacity: 0.15; }
    50% { opacity: 0.3; }
    100% { transform: translateY(-100vh) scale(0.8); opacity: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.7;
        transform: translateY(0);
    }
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(8px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .orb {
        width: 180px;
        height: 180px;
    }

    .orb::before {
        top: -50px;
        left: -50px;
        right: -50px;
        bottom: -50px;
    }

    .orb::after {
        top: -70px;
        left: -70px;
        right: -70px;
        bottom: -70px;
    }

    .feature-title {
        font-size: 2.5rem;
    }

    .feature-description {
        font-size: 1.1rem;
    }

    .feature-list li {
        font-size: 1rem;
    }

    .cta-title {
        font-size: 2.5rem;
    }

    .section {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .orb {
        width: 150px;
        height: 150px;
    }

    .orb::before {
        top: -40px;
        left: -40px;
        right: -40px;
        bottom: -40px;
        filter: blur(25px);
    }

    .orb::after {
        top: -55px;
        left: -55px;
        right: -55px;
        bottom: -55px;
        filter: blur(35px);
    }

    .feature-title {
        font-size: 2rem;
    }

    .feature-description {
        font-size: 1rem;
    }

    .feature-list li {
        font-size: 0.95rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .scroll-indicator span {
        font-size: 0.75rem;
    }

    .particle {
        display: none;
    }
}