/* ==========================================
   Birmingham Boiler Experts - Funnel Styles
   ========================================== */

/* CSS Variables */
:root {
    --primary-navy: #0C3E6E;
    --action-red: #E53935;
    --accent-aqua: #29B6F6;
    --base-white: #FFFFFF;
    --subtle-gray: #F4F4F9;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6a6a6a;
    --success-green: #4CAF50;

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

    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--subtle-gray);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background-color: var(--action-red);
    color: var(--base-white);
}

.btn-primary:hover {
    background-color: #c62828;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--base-white);
    color: var(--primary-navy);
    border: 2px solid var(--primary-navy);
}

.btn-secondary:hover {
    background-color: var(--primary-navy);
    color: var(--base-white);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-next,
.btn-submit {
    width: 100%;
    max-width: 300px;
}

/* Header */
.funnel-header {
    background-color: var(--base-white);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.funnel-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.funnel-logo {
    height: 60px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--action-red);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

.header-phone svg {
    width: 24px;
    height: 24px;
}

.header-phone:hover {
    color: var(--primary-navy);
}

/* Hero Section */
.funnel-hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, #165a92 100%);
    color: var(--base-white);
    padding: 60px 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background-color: var(--accent-aqua);
    color: var(--primary-navy);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.funnel-hero h1 {
    max-width: 800px;
    margin: 0 auto 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.95;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-item {
    text-align: center;
}

.trust-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-aqua);
}

.trust-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Form Section */
.funnel-form-section {
    padding: 60px 0 80px;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 40px;
}

.progress-bar {
    height: 6px;
    background-color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 25%;
    background: linear-gradient(90deg, var(--action-red) 0%, var(--accent-aqua) 100%);
    transition: width 0.4s ease;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
    transition: var(--transition);
}

.progress-step.active {
    opacity: 1;
}

.progress-step.completed {
    opacity: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #e0e0e0;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.progress-step.active .step-number {
    background-color: var(--action-red);
    color: var(--base-white);
}

.progress-step.completed .step-number {
    background-color: var(--success-green);
    color: var(--base-white);
}

.step-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-medium);
}

.progress-step.active .step-label {
    color: var(--text-dark);
}

/* Form Card */
.form-card {
    background-color: var(--base-white);
    border-radius: 12px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-step h2 {
    color: var(--primary-navy);
    text-align: center;
    margin-bottom: 10px;
}

.step-description {
    text-align: center;
    color: var(--text-medium);
    margin-bottom: 40px;
}

/* Option Cards (Grid Layout) */
.option-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.option-card {
    position: relative;
    cursor: pointer;
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.option-content {
    background-color: var(--base-white);
    border: 3px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.option-card:hover .option-content {
    border-color: var(--accent-aqua);
    box-shadow: var(--shadow-sm);
}

.option-card input[type="radio"]:checked + .option-content {
    border-color: var(--action-red);
    background-color: #fff5f5;
    box-shadow: var(--shadow-md);
}

.option-icon {
    width: 50px;
    height: 50px;
    color: var(--accent-aqua);
    margin: 0 auto 15px;
}

.option-card input[type="radio"]:checked + .option-content .option-icon {
    color: var(--action-red);
}

.option-content h3 {
    color: var(--primary-navy);
    margin-bottom: 8px;
}

.option-content p {
    color: var(--text-medium);
    font-size: 0.9rem;
}

/* Option Cards (List Layout) */
.option-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.option-card-horizontal {
    position: relative;
    cursor: pointer;
}

.option-card-horizontal input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.option-content-horizontal {
    background-color: var(--base-white);
    border: 3px solid #e0e0e0;
    border-radius: 12px;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.option-card-horizontal:hover .option-content-horizontal {
    border-color: var(--accent-aqua);
    box-shadow: var(--shadow-sm);
}

.option-card-horizontal input[type="radio"]:checked + .option-content-horizontal {
    border-color: var(--action-red);
    background-color: #fff5f5;
    box-shadow: var(--shadow-md);
}

.option-main h3 {
    color: var(--primary-navy);
    margin-bottom: 5px;
}

.option-main p {
    color: var(--text-medium);
    font-size: 0.9rem;
    margin: 0;
}

.option-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.option-badge.emergency {
    background-color: var(--action-red);
    color: var(--base-white);
}

.option-badge.fast {
    background-color: var(--accent-aqua);
    color: var(--base-white);
}

/* Form Fields */
.form-fields {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-aqua);
}

/* Navigation Buttons */
.form-nav-buttons {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.btn-back {
    flex: 0 0 auto;
}

.btn-next,
.btn-submit {
    flex: 1;
}

/* Summary Card */
.summary-card {
    background-color: var(--subtle-gray);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-label {
    font-weight: 600;
    color: var(--text-medium);
}

.summary-value {
    color: var(--text-dark);
    font-weight: 600;
}

.guarantee-box {
    display: flex;
    gap: 20px;
    background-color: #e8f5e9;
    border: 2px solid var(--success-green);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.guarantee-box svg {
    width: 40px;
    height: 40px;
    min-width: 40px;
    color: var(--success-green);
}

.guarantee-box strong {
    display: block;
    color: var(--success-green);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.guarantee-box p {
    color: var(--text-dark);
    font-size: 0.95rem;
    margin: 0;
}

/* Success Step */
.confirmation-icon,
.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background-color: var(--success-green);
    color: var(--base-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirmation-icon svg,
.success-icon svg {
    width: 50px;
    height: 50px;
}

.success-message {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 40px;
    line-height: 1.8;
}

.next-steps {
    background-color: var(--subtle-gray);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
}

.next-steps h3 {
    color: var(--primary-navy);
    margin-bottom: 25px;
    text-align: center;
}

.next-step-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 20px;
}

.next-step-item:last-child {
    margin-bottom: 0;
}

.next-step-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background-color: var(--action-red);
    color: var(--base-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.next-step-text strong {
    display: block;
    color: var(--primary-navy);
    margin-bottom: 5px;
}

.next-step-text p {
    color: var(--text-medium);
    font-size: 0.95rem;
    margin: 0;
}

.urgent-contact {
    text-align: center;
}

.urgent-contact p {
    margin-bottom: 15px;
    color: var(--text-dark);
}

/* Trust Section */
.trust-section {
    background-color: var(--base-white);
    padding: 80px 0;
}

.trust-section h2 {
    text-align: center;
    color: var(--primary-navy);
    margin-bottom: 50px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.trust-feature {
    text-align: center;
}

.trust-feature svg {
    width: 60px;
    height: 60px;
    color: var(--accent-aqua);
    margin: 0 auto 20px;
}

.trust-feature h3 {
    color: var(--primary-navy);
    margin-bottom: 10px;
}

.trust-feature p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* Accreditations */
.funnel-accreditations {
    background-color: var(--subtle-gray);
    padding: 40px 0;
}

.accred-title {
    text-align: center;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.accreditation-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.accreditation-logos img {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
}

/* Footer */
.funnel-footer {
    background-color: var(--primary-navy);
    color: var(--base-white);
    padding: 30px 0;
    text-align: center;
}

.funnel-footer p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.funnel-footer a {
    color: var(--accent-aqua);
}

.funnel-footer a:hover {
    color: var(--base-white);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .funnel-logo {
        height: 50px;
    }

    .header-phone {
        font-size: 1rem;
    }

    .funnel-hero {
        padding: 40px 0;
    }

    .trust-indicators {
        gap: 20px;
    }

    .trust-number {
        font-size: 2rem;
    }

    .form-card {
        padding: 30px 20px;
    }

    .option-grid {
        grid-template-columns: 1fr;
    }

    .form-fields {
        grid-template-columns: 1fr;
    }

    .form-nav-buttons {
        flex-direction: column-reverse;
    }

    .btn-next,
    .btn-submit,
    .btn-back {
        width: 100%;
        max-width: 100%;
    }

    .trust-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .progress-steps {
        gap: 10px;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .header-phone svg {
        display: none;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 15px;
    }

    .option-content-horizontal {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .guarantee-box {
        flex-direction: column;
        text-align: center;
    }

    .guarantee-box svg {
        margin: 0 auto;
    }
}