.hero {
    background: #0a0a0a;
    padding: 120px 24px 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 40% at 50% 30%, rgba(37, 99, 235, 0.15), transparent);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 1;
}
.hero-icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 40px;
    font-size: 46px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.3);
}
.hero h1 {
    font-size: 72px;
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1.06;
    color: #fff;
    margin-bottom: 24px;
}
.hero p {
    font-size: 21px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
    max-width: 520px;
    margin: 0 auto 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 32px;
    background: var(--accent);
    color: #fff;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition:
        transform 0.15s,
        box-shadow 0.15s;
}
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.3);
    text-decoration: none;
    color: #fff;
}

.section {
    padding: 0 24px;
}
.section-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 0;
}

.section-heading {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin-bottom: 64px;
    text-align: center;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    padding: 40px 0;
}
.feature + .feature {
    border-top: 1px solid var(--border);
}
.feature-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon .material-symbols-outlined {
    font-size: 28px;
}
.feature-icon.blue {
    background: #eff6ff;
    color: #2563eb;
}
.feature-icon.violet {
    background: #f5f3ff;
    color: #7c3aed;
}
.feature-icon.emerald {
    background: #ecfdf5;
    color: #059669;
}
.feature-text h3 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}
.feature-text p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.cta {
    text-align: center;
    padding: 80px 24px;
    background: #0a0a0a;
    border-radius: 24px;
    color: #fff;
}
.cta h2 {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 12px;
}
.cta p {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 40px;
}

.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 640px) {
    .hero {
        padding: 80px 20px 64px;
    }
    .hero-icon {
        width: 88px;
        height: 88px;
        border-radius: 22px;
        font-size: 34px;
        margin-bottom: 32px;
    }
    .hero h1 {
        font-size: 36px;
    }
    .hero p {
        font-size: 17px;
    }
    .section-inner {
        padding: 64px 0;
    }
    .section-heading {
        font-size: 30px;
        margin-bottom: 40px;
    }
    .feature {
        flex-direction: column;
        gap: 20px;
        padding: 32px 0;
        text-align: center;
        align-items: center;
    }
    .feature-text h3 {
        font-size: 22px;
    }
    .cta {
        padding: 56px 20px;
    }
    .cta h2 {
        font-size: 30px;
    }
}