/* Registration Section - Form Đăng Ký Tư Vấn */
.registration-section {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
}

.registration-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.registration-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.registration-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.5) 100%);
}

.registration-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 80px var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 80px;
    align-items: center;
}

/* Left Content */
.registration-content {
    color: #fff;
}

.registration-subtitle {
    font-size: 20px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.registration-title {
    font-size: 56px;
    font-weight: var(--font-weight-bold);
    color: #8B9A5B;
    margin-bottom: 24px;
    line-height: 1.1;
}

.registration-desc {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 500px;
}

/* Contact Info */
.registration-contact {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(139, 154, 91, 0.2);
    border: 1px solid rgba(139, 154, 91, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: #8B9A5B;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 1px;
    color: #8B9A5B;
}

.contact-value {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: #fff;
}

/* Right Form */
.registration-form-wrapper {
    background: #fff;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.registration-form {
    display: flex;
    flex-direction: column;
}

.form-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: #8B9A5B;
    text-align: center;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

/* Countdown Timer */
.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    background: rgba(139, 154, 91, 0.08);
    border: 2px solid rgba(139, 154, 91, 0.3);
    border-radius: 12px;
    padding: 16px 24px;
    margin-bottom: 28px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 50px;
}

.countdown-label {
    font-size: 11px;
    color: #666;
    margin-bottom: 4px;
}

.countdown-value {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: #8B9A5B;
    line-height: 1;
}

.countdown-separator {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: #8B9A5B;
    margin-top: 14px;
}

/* Discount Text */
.form-discount {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: #E53935;
    text-align: center;
    margin-bottom: 8px;
}

/* Warning Text */
.form-warning {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: #E53935;
    text-align: center;
    margin-bottom: 20px;
}

/* Form Fields */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    color: #333;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    color: #333;
    background: #fff;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
    color: #999;
}

.form-input:focus {
    outline: none;
    border-color: #8B9A5B;
    box-shadow: 0 0 0 3px rgba(139, 154, 91, 0.1);
}

/* Select Wrapper */
.form-select-wrapper {
    position: relative;
}

.form-select {
    width: 100%;
    padding: 14px 40px 14px 16px;
    font-size: 15px;
    font-family: inherit;
    color: #333;
    background: #fff;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    appearance: none;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:disabled {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

.form-select:focus {
    outline: none;
    border-color: #8B9A5B;
    box-shadow: 0 0 0 3px rgba(139, 154, 91, 0.1);
}

.select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    stroke: #666;
    pointer-events: none;
    transition: transform var(--transition-fast);
}

.form-select:focus + .select-arrow {
    transform: translateY(-50%) rotate(180deg);
}

/* Submit Button */
.form-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px 32px;
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
    font-family: inherit;
    color: #333;
    background: linear-gradient(135deg, #C5D16D 0%, #A8B85A 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    margin-top: 8px;
}

.form-submit:hover {
    background: linear-gradient(135deg, #B8C460 0%, #9BAB4D 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 154, 91, 0.3);
}

.form-submit svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.form-submit:hover svg {
    transform: translateX(4px);
}

/* Form Note */
.form-note {
    font-size: 13px;
    color: #888;
    text-align: center;
    margin-top: 16px;
}

/* Responsive - Large Desktop */
@media (max-width: 1200px) {
    .registration-container {
        grid-template-columns: 1fr 420px;
        gap: 60px;
    }

    .registration-title {
        font-size: 48px;
    }
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .registration-section {
        min-height: auto;
    }

    .registration-container {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 60px var(--container-padding);
    }

    .registration-content {
        text-align: center;
    }

    .registration-desc {
        max-width: 100%;
    }

    .registration-contact {
        align-items: center;
    }

    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .registration-form-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .registration-container {
        padding: 48px 20px;
    }

    .registration-subtitle {
        font-size: 16px;
    }

    .registration-title {
        font-size: 36px;
    }

    .registration-desc {
        font-size: 15px;
    }

    .registration-form-wrapper {
        padding: 32px 24px;
        border-radius: 20px;
    }

    .form-title {
        font-size: 20px;
    }

    .countdown-timer {
        padding: 14px 16px;
        gap: 6px;
    }

    .countdown-item {
        min-width: 40px;
    }

    .countdown-value {
        font-size: 26px;
    }

    .countdown-separator {
        font-size: 24px;
    }

    .form-input,
    .form-select {
        padding: 12px 14px;
        font-size: 14px;
    }

    .form-select {
        padding-right: 36px;
    }

    .form-submit {
        padding: 16px 28px;
        font-size: 14px;
    }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
    .registration-container {
        padding: 40px 16px;
    }

    .registration-subtitle {
        font-size: 14px;
    }

    .registration-title {
        font-size: 28px;
    }

    .registration-form-wrapper {
        padding: 28px 20px;
    }

    .countdown-timer {
        flex-wrap: wrap;
        gap: 8px 4px;
    }

    .countdown-item {
        min-width: 36px;
    }

    .countdown-value {
        font-size: 22px;
    }

    .countdown-separator {
        font-size: 20px;
        margin-top: 10px;
    }

    .contact-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .contact-icon svg {
        width: 20px;
        height: 20px;
    }

    .contact-value {
        font-size: 14px;
    }
}