/* Layout */
.container {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    overflow-x: hidden;
}

section {
    margin-bottom: 72px;
    opacity: 0;
    transform: translateY(15px);
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

section:nth-child(1) {
    animation-delay: 0.1s;
}

section:nth-child(2) {
    animation-delay: 0.2s;
}

section:nth-child(3) {
    animation-delay: 0.3s;
}

section:nth-child(4) {
    animation-delay: 0.4s;
}

/* Separators */
.separator {
    width: 100%;
    height: 1px;
    margin: 48px 0;
    position: relative;
    overflow: hidden;
}

.separator::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.15) 20%,
        rgba(255, 255, 255, 0.15) 80%,
        rgba(255, 255, 255, 0)
    );
}

.double-separator {
    width: 100%;
    height: 16px;
    margin: 48px 0;
    position: relative;
    overflow: hidden;
}

.double-separator::before,
.double-separator::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0.15) 20%,
        rgba(255, 255, 255, 0.15) 80%,
        rgba(255, 255, 255, 0)
    );
}

.double-separator::before {
    top: 0;
}

.double-separator::after {
    bottom: 0;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-align: center;
}