/* styles/newsletter.css */

/* ========================
   Variables (Modern, Clean Theme - Consistent)
======================== */
:root {
    --color-bg: #fdfdfd; /* Clean, soft white background */
    --color-primary: #3b82f6; /* Professional Blue */
    --color-secondary: #1d4ed8; /* Darker Blue for gradient depth */
    --color-accent: #60a5fa; /* Lighter Blue for highlights */
    --color-text: #1f2937; /* Dark Gray Text */
    --color-subtext: #4b5563; /* Medium Gray Subtext */
    --color-card-bg: #ffffff; /* Pure white cards */
    --color-border-light: #e5e7eb; /* Light border for separation */
    --color-light-bg: #eff6ff; /* Very light blue background for subtle elements */
    --color-success: #10b981; /* Green for success messages */
    --color-error: #ef4444; /* Red for error messages */

    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    --border-radius-main: 0.75rem;

    --shadow-subtle: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-button: 0 8px 20px rgba(59, 130, 246, 0.3);
    --shadow-button-hover: 0 12px 30px rgba(59, 130, 246, 0.45);

    --transition-duration: 0.5s;
    --transition-easing: ease-in-out;
}

/* Base Styles */
.newsletter-section {
    position: relative;
    padding: 7rem 1rem;
    background-color: var(--color-bg);
    overflow: hidden;
    font-family: var(--font-body);
    color: var(--color-text);
}

/* Subtle Background Texture */
.newsletter-bg-texture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

.newsletter-container {
    position: relative;
    z-index: 1;
    max-width: 900px; /* Centered, narrower container for focus */
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3.5rem; /* Adjusted gap */
    min-height: 60vh; /* Shorter section height */
}

/* Section Header - Consistent */
.newsletter-header {
    text-align: center;
    max-width: 700px; /* Narrower header for directness */
    margin: 0 auto 3rem auto;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.newsletter-header .section-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    display: inline-block;
}
.newsletter-header .section-subtitle::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.newsletter-header .section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.8rem); /* Slightly smaller for lead gen focus */
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
}

.newsletter-header .section-description {
    font-size: 1.15rem; /* Slightly smaller */
    color: var(--color-subtext);
    line-height: 1.7;
    max-width: 600px; /* Narrower description */
    margin: 0.8rem auto 0 auto;
}

/* Newsletter Form */
.newsletter-form-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem; /* Spacing between elements */
}

.newsletter-form {
    display: flex;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    justify-content: center;
    width: 100%;
    max-width: 600px; /* Max width for input/button group */
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 999px; /* Pill shape */
    box-shadow: var(--shadow-subtle);
    overflow: hidden; /* Ensure input border radius aligns */
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.newsletter-form:focus-within {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 59, 130, 246), 0.3); /* Focus ring */
    border-color: var(--color-primary);
}

.newsletter-form input[type="email"] {
    flex-grow: 1; /* Input takes available space */
    padding: 1rem 1.5rem;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--color-text);
    outline: none;
    min-width: 200px; /* Ensure input is not too small */
}

.newsletter-form input[type="email"]::placeholder {
    color: var(--color-subtext);
    opacity: 0.7;
}

.newsletter-form .btn-primary {
    /* Reusing primary button style, but customizing for form */
    flex-shrink: 0; /* Button doesn't shrink */
    padding: 1rem 2rem;
    border-radius: 999px; /* Override standard button radius for pill shape */
    font-size: 1rem;
    font-weight: 600;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    margin: 0; /* Remove default button margins */
}

.newsletter-form .btn-primary:hover,
.newsletter-form .btn-primary:focus {
    transform: translateY(-2px); /* Subtle lift on hover */
    box-shadow: var(--shadow-button);
}

.form-message {
    font-size: 1rem;
    margin-top: 0.5rem;
    min-height: 1.5rem; /* Reserve space to prevent layout shift */
}
.form-message.success {
    color: var(--color-success);
}
.form-message.error {
    color: var(--color-error);
}

/* Value Proposition */
.value-proposition {
    margin-top: 2rem;
    text-align: center;
}

.prop-intro {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.value-proposition ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem 2.5rem; /* Spacing between list items */
}

.value-proposition li {
    font-size: 1rem;
    color: var(--color-subtext);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    opacity: 0; /* For reveal animation */
    transform: translateY(20px);
    transition: opacity var(--transition-duration) var(--transition-easing),
                transform var(--transition-duration) var(--transition-easing);
}
.value-proposition li i {
    color: var(--color-accent); /* Checkmark color */
    font-size: 1.1em;
}

/* Privacy Assurance */
.privacy-assurance {
    font-size: 0.9rem;
    color: var(--color-subtext);
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}
.privacy-assurance i {
    color: var(--color-accent);
}
.privacy-assurance a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}
.privacy-assurance a:hover {
    text-decoration: underline;
}

/* Optional Social Proof */
.newsletter-social-proof {
    margin-top: 3.5rem;
    font-size: 1rem;
    color: var(--color-subtext);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.newsletter-social-proof i {
    color: var(--color-accent);
}


/* Animations (Reveal on Scroll) - Consistent */
.reveal-from-bottom {
    opacity: 0;
    transform: translateY(70px);
    transition: opacity var(--transition-duration) var(--transition-easing),
                transform var(--transition-duration) var(--transition-easing);
    will-change: opacity, transform;
}
/* Ensure `li` items in value-proposition use this correctly */
.value-proposition li.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}


/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .newsletter-bg-texture {
        animation: none !important;
        background-image: none !important;
    }
    .reveal-from-bottom,
    .newsletter-form-wrapper input,
    .newsletter-form-wrapper button,
    .value-proposition li,
    .privacy-assurance,
    .newsletter-social-proof {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
        animation: none !important;
        box-shadow: none !important;
        filter: none !important;
    }
    .newsletter-form:focus-within {
        box-shadow: 0 0 0 1px var(--color-primary); /* Simpler focus */
    }
    .newsletter-form .btn-primary {
        background: var(--color-primary); /* Solid background */
    }
}

/* Media Queries */
@media (max-width: 767px) {
    .newsletter-section {
        padding: 5rem 1rem;
    }
    .newsletter-container {
        gap: 2.5rem;
    }
    .newsletter-header {
        margin-bottom: 2rem;
    }
    .newsletter-header .section-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }
    .newsletter-header .section-description {
        font-size: 1rem;
    }

    .newsletter-form {
        flex-direction: column; /* Stack input and button */
        border: none; /* Remove border from wrapper */
        box-shadow: none; /* Remove shadow from wrapper */
        max-width: 350px; /* Narrower form on mobile */
    }
    .newsletter-form:focus-within {
        box-shadow: none;
        border-color: transparent;
    }
    .newsletter-form input[type="email"] {
        width: 100%;
        border: 1px solid var(--color-border-light); /* Add border to input directly */
        border-radius: var(--border-radius-main); /* Rounded corners for input */
        margin-bottom: 1rem; /* Space between input and button */
        padding: 0.8rem 1.2rem;
        box-shadow: var(--shadow-subtle);
    }
    .newsletter-form input[type="email"]:focus {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb, 59, 130, 246), 0.3);
    }
    .newsletter-form .btn-primary {
        width: 100%;
        padding: 0.9rem 1.5rem;
        font-size: 1rem;
    }
    .form-message {
        font-size: 0.9rem;
    }
    .value-proposition {
        margin-top: 1.5rem;
    }
    .prop-intro {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    .value-proposition ul {
        flex-direction: column;
        gap: 1rem;
    }
    .value-proposition li {
        font-size: 0.9rem;
    }
    .privacy-assurance, .newsletter-social-proof {
        font-size: 0.85rem;
        margin-top: 1.5rem;
    }
}