.demo-section {
    padding: 8rem 0;
    background: linear-gradient(to bottom, transparent, rgba(116, 140, 171, 0.02));
    overflow: hidden;
}

.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-content {
    padding-right: 2rem;
}

.demo-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.demo-content p {
    color: var(--text-gray);
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.phone-wrapper {
    width: 94%;
    max-width: 100%;
    height: 480px;
    position: relative;
    margin: 0 auto;
    overflow: hidden;
}

.phone-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent 0%, var(--background-dark) 70%);
    z-index: 3;
    pointer-events: none;
}

.phone-svg {
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    object-fit: cover;
    object-position: top center;
}

.content-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 9%;
    padding-bottom: 15%;
    gap: 5%;
}

.text-box {
    position: relative;
    width: 85%;
    height: auto;
    min-height: 220px;
    overflow: hidden;
    border-radius: 45px;
    padding: 1px;
    margin: 0 auto;
}

.text-box-gradient {
    position: absolute;
    inset: -1000%;
    animation: spin 2s linear infinite;
    background: var(--text-gradient);
    z-index: 0;
}

.text-box-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    border-radius: 44px;
    background-color: var(--background-dark);
    margin: 0;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.text-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px;
    border-bottom: 1px solid rgba(116, 140, 171, 0.1);
    height: 72px;
}

.header-brand {
    font-weight: 500;
    color: var(--color-medium);
}

.header-time {
    font-size: 0.9em;
    color: var(--text-light);
}

.text-box-message {
    padding: 28px 24px;
    font-size: 1.1em;
    line-height: 1.4;
    flex-grow: 1;
    min-height: 100px;
}

.typing-text {
    display: inline;
    word-break: break-word;
}

.cursor {
    display: inline-block;
    width: 1px;
    height: 1.2em;
    background-color: var(--text-light);
    margin-left: 2px;
    vertical-align: middle;
    animation: blink-caret .75s step-end infinite;
}

.phone-input {
    display: block;
    height: 8%;
    min-height: 48px;
    width: 85%;
    border-radius: 12px;
    border: 1px solid rgba(116, 140, 171, 0.2);
    background: rgba(116, 140, 171, 0.05);
    padding: 8px 20px;
    color: var(--text-light);
    transition: all 0.3s ease;
    font-size: clamp(14px, 2.5%, 16px);
    outline: none;
    margin-top: 20px;
}

.phone-input::placeholder {
    color: var(--text-gray);
}

.phone-input:focus {
    border-color: var(--color-medium);
    background: rgba(116, 140, 171, 0.1);
}

.call-button {
    position: relative;
    display: inline-flex;
    min-height: 48px;
    height: 8%;
    overflow: hidden;
    border-radius: 9999px;
    padding: 1px;
    margin-top: 20px;
    margin-bottom: 30px;
}

.button-gradient {
    position: absolute;
    inset: -1000%;
    animation: spin 2s linear infinite;
    background: var(--text-gradient);
}

.button-content {
    display: inline-flex;
    height: calc(100% - 2px);
    min-height: 46px;
    width: auto;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background-color: var(--background-dark);
    margin: 1px;
    padding: 4px 40px;
    font-size: clamp(14px, 2.5%, 16px);
    font-weight: 500;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes blink-caret {
    from, to { opacity: 0 }
    50% { opacity: 1 }
}

@media (max-width: 992px) {
    .demo-grid {
        grid-template-columns: 1fr;
    }

    .demo-content {
        padding-right: 0;
        text-align: center;
    }
}