/* ==========================================================================
   Newsletter Section Styles
   ========================================================================== */

/* Newsletter Section Container */
#newsletter {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    padding: var(--space-16) var(--space-4);
    background: transparent;
    margin-top: var(--space-16);
    border-radius: var(--radius-2xl);
    transition: background-color var(--duration-normal) var(--ease-in-out);
}

/* Newsletter Hero Content */
.newsletter-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    max-width: 56rem;
    width: 100%;
}

/* Badge */
.newsletter-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    background: var(--color-surface);
    border-radius: 9999px;
    padding: var(--space-1) var(--space-3);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-secondary-subtle, rgba(52, 168, 83, 0.2));
}

.newsletter-badge svg {
    width: 16px;
    height: 16px;
    color: var(--color-secondary);
}

/* Title */
.newsletter-title {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-top: var(--space-4);
    text-align: center;
    line-height: 1.2;
}

/* Description Text */
.newsletter-text {
    max-width: 32rem;
    margin-top: var(--space-6);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.6;
}

/* Form Container */
.newsletter-form {
    position: relative;
    display: flex;
    align-items: center;
    margin-top: var(--space-6);
    border-radius: 3rem;
    border: var(--border-width) solid var(--color-border);
    font-size: var(--font-size-sm);
    max-width: 28rem;
    width: 100%;
    background: var(--color-surface);
    padding-right: var(--space-2);
    box-shadow: var(--shadow-md);
    transition: 
        border-color var(--duration-normal) var(--ease-in-out),
        box-shadow var(--duration-normal) var(--ease-in-out);
}

.newsletter-form:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

/* Mail Icon */
.newsletter-form .icon-mail {
    position: absolute;
    left: var(--space-4);
    width: 20px;
    height: 20px;
    color: var(--color-text-tertiary);
    pointer-events: none;
}

/* Email Input */
.newsletter-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: var(--space-5) var(--space-3) var(--space-5) var(--space-12);
    width: 100%;
    font-size: var(--font-size-sm);
    font-family: var(--font-primary);
    color: var(--color-text);
}

.newsletter-input::placeholder {
    font-family: var(--font-primary);
    color: var(--color-text-placeholder);
}

/* Subscribe Button */
.newsletter-button {
    flex-shrink: 0;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
    border-radius: 3rem;
    border: none;
    cursor: pointer;
    color: #ffffff;
    background: var(--color-primary);
    transition: 
        transform var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-in-out),
        background-color var(--duration-normal);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.25);
}

.newsletter-button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(66, 133, 244, 0.35);
}

.newsletter-button:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
}

.newsletter-button:focus-visible {
    outline: var(--focus-ring-width) solid var(--color-focus-ring);
    outline-offset: var(--focus-ring-offset);
}

/* Loading State */
.newsletter-button.loading {
    pointer-events: none;
    opacity: 0.8;
}

.newsletter-button.loading .btn-text {
    opacity: 0;
}

.newsletter-button .spinner {
    display: none;
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.newsletter-button.loading .spinner {
    display: block;
}

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

/* Success Message */
.newsletter-success {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding: var(--space-4) var(--space-8);
    border-radius: 3rem;
    background: var(--bg-card);
    border: var(--border-width) solid var(--color-secondary);
    box-shadow: var(--shadow-soft);
    color: var(--color-secondary);
    font-weight: var(--font-weight-semibold);
    max-width: 28rem;
    width: 100%;
    animation: fadeSlideIn 0.5s var(--ease-out);
}

.newsletter-success.show {
    display: flex;
}

.newsletter-success svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
}

/* Error Message */
.newsletter-error {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-6);
    border-radius: 3rem;
    background: rgba(234, 67, 53, 0.1);
    border: var(--border-width) solid var(--color-tertiary);
    color: var(--color-tertiary);
    font-size: var(--font-size-sm);
    max-width: 28rem;
    width: 100%;
    animation: shake 0.5s var(--ease-out);
}

.newsletter-error.show {
    display: flex;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Privacy Note */
.newsletter-privacy {
    margin-top: var(--space-4);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    max-width: 24rem;
}

.newsletter-privacy a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.newsletter-privacy a:hover {
    color: var(--color-primary-dark);
}

/* Mobile Responsive */
@media (max-width: 640px) {
    #newsletter {
        padding: var(--space-12) var(--space-4); /* Reverted to standard padding */
        margin-top: var(--space-12);
    }

    .newsletter-form {
        flex-direction: column;
        padding: var(--space-2); /* Keep breathable internal padding */
        gap: var(--space-2);
        border-radius: var(--radius-xl);
        background: var(--color-surface);
        margin: 0; /* Remove extra margin to maximize width */
        width: 90%; /* Ensure full width within container */
    }

    .newsletter-form .icon-mail {
        display: none;
    }

    .newsletter-input {
        padding: var(--space-4);
        text-align: center;
        border-radius: var(--radius-lg);
    }

    .newsletter-button {
        width: 100%;
        border-radius: var(--radius-xl);
        padding: var(--space-4) var(--space-6);
    }

    .newsletter-success,
    .newsletter-error {
        flex-direction: column;
        text-align: center;
        border-radius: var(--radius-xl);
        margin-left: var(--space-4);
        margin-right: var(--space-4);
    }
}