/* ========================================
   Fire Door Assessments - Main Stylesheet
   ======================================== */

/* CSS Variables for Brand Colors */
:root {
    --color-primary: #1e3a5f;        /* Dark blue */
    --color-secondary: #2c3e50;      /* Charcoal */
    --color-accent: #c74242;         /* Subtle red for fire safety */
    --color-white: #ffffff;
    --color-light-grey: #f4f6f8;
    --color-mid-grey: #e1e5ea;
    --color-text-dark: #2c3e50;
    --color-text-light: #5a6c7d;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);

    --max-width: 1200px;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-white);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

/* Section Title */
.section-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #a63535;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

/* ========================================
   Header / Navigation
   ======================================== */

.site-header {
    background-color: var(--color-white);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.main-nav a {
    color: var(--color-text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color 0.3s ease;
    white-space: nowrap;
}

.main-nav a:hover {
    color: var(--color-accent);
}

.nav-cta {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    background-color: var(--color-accent);
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: block;
}

.dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.8em;
    margin-left: 4px;
}

.dropdown-menu {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    min-width: 220px;
    box-shadow: var(--box-shadow-hover);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) 0;
    padding-top: calc(var(--spacing-sm) + 10px);
    margin-top: -10px;
    z-index: 2000;
    list-style: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
}

.dropdown:hover .dropdown-menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.dropdown-menu li {
    margin: 0;
    display: block;
    width: 100%;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-dark);
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    text-align: left;
}

.dropdown-menu a::before {
    content: '→';
    margin-right: 8px;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: var(--color-light-grey);
    color: var(--color-accent);
}

.dropdown-menu a:hover::before {
    transform: translateX(4px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    background-image: url('hero-fire-door.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--color-white);
}

/* Dark overlay for text readability */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.9) 0%, rgba(44, 62, 80, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-mid-grey);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover {
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-4px);
}

.service-icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.service-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   Process Section
   ======================================== */

.process {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light-grey);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.process-step {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-title {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   About Section
   ======================================== */

.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-list {
    list-style: none;
}

.about-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.6;
    color: var(--color-text-light);
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.25rem;
}

/* ========================================
   Enquiry Form Section
   ======================================== */

.enquiry {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light-grey);
}

.enquiry-intro {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-text-light);
}

.enquiry-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-dark);
}

.required {
    color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-mid-grey);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

.enquiry-form button {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact p {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact a {
    color: var(--color-white);
}

.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-sm);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   Responsive Design - Tablet
   ======================================== */

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero {
        min-height: 500px;
    }

    .main-nav ul {
        gap: var(--spacing-sm);
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }
}

/* ========================================
   Internal Pages - Content Section
   ======================================== */

.hero-internal {
    min-height: 400px;
}

.content-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-block {
    margin-bottom: var(--spacing-lg);
}

.content-block h2 {
    color: var(--color-primary);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.content-block h3 {
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

.content-block h4 {
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.content-block p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.7;
    color: var(--color-text-light);
}

.feature-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2rem;
}

.highlight-box {
    background-color: var(--color-light-grey);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-radius: var(--border-radius);
}

.cta-section {
    background-color: var(--color-light-grey);
    padding: var(--spacing-lg);
    text-align: center;
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.cta-section h3 {
    color: var(--color-primary);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Glossary Page Styles
   ======================================== */

.glossary-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.glossary-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.glossary-item {
    background-color: var(--color-light-grey);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
}

.glossary-term {
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

.glossary-definition {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   Gold Certification Page Styles
   ======================================== */

.process-list {
    list-style: none;
    counter-reset: process-counter;
    margin: var(--spacing-md) 0;
}

.process-list li {
    counter-increment: process-counter;
    padding: var(--spacing-md) 0;
    padding-left: 3.5rem;
    position: relative;
    line-height: 1.7;
    color: var(--color-text-light);
}

.process-list li::before {
    content: counter(process-counter);
    position: absolute;
    left: 0;
    top: var(--spacing-md);
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.requirements-column {
    list-style: none;
}

.requirements-column li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

.requirements-column li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.faq-item {
    background-color: var(--color-light-grey);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.faq-item h4 {
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.faq-item p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

.disclaimer-box {
    background-color: #fff8e1;
    border: 2px solid #ffd54f;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.disclaimer-box h4 {
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.disclaimer-box p {
    color: var(--color-text-dark);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

/* ========================================
   Mobile Menu Toggle
   ======================================== */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   Responsive Design - Tablet
   ======================================== */

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        padding-top: 80px;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
        width: 100%;
    }

    .main-nav ul li {
        width: 100%;
        border-bottom: 1px solid var(--color-mid-grey);
    }

    .main-nav a {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
    }

    .nav-cta-item {
        display: none;
    }

    .dropdown-menu {
        position: static;
        visibility: visible;
        opacity: 1;
        box-shadow: none;
        background-color: var(--color-light-grey);
        margin: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .dropdown-toggle::after {
        float: right;
    }
}

/* ========================================
   Responsive Design - Mobile
   ======================================== */

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .btn {
        padding: 0.875rem 1.5rem;
    }
}