:root {
    /* Main Palettes */
    --primary: #065f46;          /* Trusted Directory Forest Green */
    --primary-dark: #044e3a;     /* Deep Emerald */
    --primary-light: #f0fdf4;    /* Mint Tint Background */
    --accent: #2563eb;           /* Professional Blue for active elements */
    --accent-light: #eff6ff;     /* Soft Blue highlight */
    
    /* Text Tone System */
    --text-main: #0f172a;        /* Deep Slate Charcoal */
    --text-muted: #475569;       /* Easy to read grey text */
    --text-dim: #64748b;         /* Helper/Hint text */
    
    /* Structure & Surfaces */
    --bg-white: #ffffff;
    --bg-body: #f8fafc;          /* Off-white canvas */
    --border: #cbd5e1;           /* Crisp, visible grid lines */
    --border-focus: #065f46;     /* Green active borders */
    
    /* UI Design Metrics */
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.04);
    --shadow-bold: 0 20px 40px rgba(6, 95, 70, 0.08);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Structural Foundation */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: min(1000px, 92%); /* Focused width specifically for optimal form layout */
    margin-inline: auto;
}

/* Helper Text Classes */
.text-dim { color: var(--text-dim); }
.text-xs { font-size: 0.85rem; margin-top: 4px; }

/* =========================================
   HERO HEADER SECTION
   ========================================= */

/* =========================================
   HERO HEADER SECTION
   ========================================= */

.hero-small {
    background: linear-gradient(135deg, #0f172a 0%, #065f46 100%);
    color: white;
    padding: clamp(3.5rem, 8vw, 5.5rem) 1.25rem; /* Added side padding for mobile */
    text-align: center;
    position: relative;
    border-bottom: 4px solid var(--accent);
}

.hero-small h1 {
    font-size: clamp(1.85rem, 4vw, 3.25rem); /* Slightly smaller start for small screens */
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    max-width: 850px;
    margin-inline: auto;
}

.hero-small p {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    max-width: 700px;
    margin: 1.25rem auto 2.5rem;
    color: #cbd5e1;
    text-wrap: pretty;
}

/* Highly Responsive Mobile-Optimised Grid */
.hero-points {
    display: grid;
    grid-template-columns: 1fr; /* Stacks cleanly on mobile devices */
    gap: 0.85rem;
    list-style: none;
    max-width: 850px;
    margin: 0 auto 2.5rem;
    text-align: left;
    padding: 0;
}

/* Grid splits into two clean rows on devices larger than phones */
@media (min-width: 640px) {
    .hero-points {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

.hero-points li {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm, 8px);
    font-weight: 500; /* Regular weight for descriptions */
    font-size: 0.95rem;
    line-height: 1.4;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    display: flex;
    align-items: flex-start; /* Aligns icons perfectly with multi-line text */
    gap: 0.75rem;
}

/* Custom Highlight Color for Key Selling Points */
.highlight-text {
    color: #60a5fa; /* Bright Emerald/Mint Green for trust and high visibility */
    font-weight: 700;
}

/* Scalable Check Icon Alignment */
.check-icon {
    color: #34d399;
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.15rem; /* Aligns smoothly with the first line of text */
}

/* Premium Call To Action Link */
.hero-cta {
    display: inline-block;
    background: #ffffff;
    color: var(--primary-dark, #0f172a);
    padding: 16px 36px;
    border-radius: 100px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: var(--transition, all 0.2s ease-in-out);
    max-width: 100%; /* Prevents text overflow on narrow displays */
    box-sizing: border-box;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
    background: var(--primary-light, #f8fafc);
}


/* =========================================
   INTRO & TRUST BUILDING
   ========================================= */

.section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.form-intro {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-intro h2 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.form-intro p {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* =========================================
   THE INTERACTIVE FORM CARD
   ========================================= */

.form-card {
    background: var(--bg-white);
    padding: clamp(2rem, 5vw, 3.5rem);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-bold);
    border: 1px solid var(--border);
}

.form-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 0.5rem;
}

/* Smooth Two Column Layout Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

/* Labels with weight and readability */
.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 6px;
    color: var(--text-main);
}

/* Input Fields Style Transformation */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-main);
    background-color: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* Make full-width textareas break free from grid rows */
.form-group:has(textarea),
.form-group:has(.keyword-editor) {
    grid-column: span 2;
    margin-top: 0.5rem;
}

/* Modernized Radio Button Rows */
.radio-row {
    display: flex;
    gap: 1.5rem;
    margin-top: 4px;
}

.radio-row label {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-body);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.radio-row label:hover {
    border-color: var(--primary);
}

.radio-row input[type="radio"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}

/* Towns Search Dropdown Container */
.suggestions {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow-soft);
    max-height: 200px;
    overflow-y: auto;
}

/* Custom interactive layout for Keywords generator */
.keyword-editor {
    min-height: 48px;
    background: var(--bg-body);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Styled inline items inside keyword editor */
.keyword-badge {
    background: var(--primary);
    color: white;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.keyword-badge .remove-keyword {
    cursor: pointer;
    font-weight: bold;
    opacity: 0.8;
}

/* Legal T&C Checkbox Block styling */
.checkbox-group {
    margin: 2rem 0;
    padding: 1rem;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 500;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    margin-top: 3px;
    flex-shrink: 0;
}

/* =========================================
   BUTTON ACTIONS SYSTEM
   ========================================= */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1.05rem;
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    width: auto;
}

.btn-primary {
    color: white;
    background: var(--primary);
    box-shadow: 0 4px 12px rgba(6, 95, 70, 0.2);
    width: 100%; /* Spans full card length on mobile for conversion priority */
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 18px rgba(6, 95, 70, 0.35);
}

.btn-secondary {
    background: #e2e8f0;
    color: var(--text-main);
    font-size: 0.9rem;
    padding: 8px 16px;
}

.btn-secondary:hover {
    background: #cbd5e1;
}

/* Feedback messages container layout wrapper */
.form-message {
    margin-bottom: 1.5rem;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: none; /* Controlled via app script */
}

/* =========================================
   MOBILE ADAPTIVE VIEWPORTS
   ========================================= */

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr; /* Stack columns completely */
        gap: 1.25rem;
    }
    
    .form-group:has(textarea),
    .form-group:has(.keyword-editor) {
        grid-column: span 1;
    }
    
    .form-card {
        padding: 1.5rem 1rem;
    }

    .hero-points {
        grid-template-columns: 1fr;
    }
}
/* =========================================
   FIX THIN INPUTS (LIVE OVERRIDE PATCH)
   ========================================= */

.form-group input,
.form-group textarea,
.form-group select {
    width: 100% !important;
    min-width: 0;
    max-width: 100%;
    display: block;
    box-sizing: border-box;
    flex: 1 1 auto;
}

/* Fix grid shrink behaviour */
.form-grid .form-group {
    min-width: 0;
}

/* Prevent inherited flex/grid compression */
.form-group input,
.form-group textarea {
    min-height: 44px;
}

/* Ensure no parent is shrinking them */
.form-grid {
    align-items: stretch;
}

/* Specific safety net for “thin fields” bug */
.form-group {
    width: 100%;
}
.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    display: inline-block;
    margin-left: 8px;
    animation: spin 0.7s linear infinite;
}

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