/* ================================
   CSS Custom Properties (Variables)
   ================================ */
:root {
    /* Color Palette - Scottish landscape inspired */
    --color-primary: #2C5F8D;        /* Scottish loch blue */
    --color-primary-dark: #1E4464;   /* Darker blue */
    --color-accent: #6B4C7A;         /* Heather purple */
    --color-accent-light: #8A6B9A;   /* Light heather */
    --color-green: #4A7C59;          /* Moss/grass green */
    --color-dark: #2D3436;           /* Stone grey/dark */
    --color-grey: #636E72;           /* Mid grey */
    --color-light-grey: #DFE6E9;     /* Light grey */
    --color-bg-light: #F5F6F7;       /* Mist/sky background */
    --color-white: #FFFFFF;

    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 1rem;          /* 16px */
    --line-height-base: 1.6;

    /* Font sizes - responsive scaling handled in media queries */
    --font-size-h1: 2.5rem;          /* 40px mobile */
    --font-size-h2: 2rem;            /* 32px mobile */
    --font-size-h3: 1.5rem;          /* 24px mobile */
    --font-size-h4: 1.25rem;         /* 20px mobile */
    --font-size-small: 0.875rem;     /* 14px */

    /* Spacing */
    --spacing-xs: 0.5rem;            /* 8px */
    --spacing-sm: 1rem;              /* 16px */
    --spacing-md: 1.5rem;            /* 24px */
    --spacing-lg: 2rem;              /* 32px */
    --spacing-xl: 3rem;              /* 48px */
    --spacing-2xl: 4rem;             /* 64px */

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-speed: 0.3s;
}

/* ================================
   CSS Reset and Base Styles
   ================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

h4 {
    font-size: var(--font-size-h4);
}

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

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

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

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

ul {
    list-style: none;
}

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

/* ================================
   Accessibility
   ================================ */
.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
    z-index: 100;
    text-decoration: none;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

/* Ensure focus indicators are visible */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ================================
   Layout Utilities
   ================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ================================
   Buttons
   ================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed);
    cursor: pointer;
    border: 2px solid transparent;
    min-width: 44px;
    min-height: 44px;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ================================
   Header and Navigation
   ================================ */
.site-header {
    background-color: var(--color-white);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.logo h1 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--color-primary);
}

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

.nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-weight: 500;
    color: var(--color-dark);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 60;
}

.hamburger-line {
    width: 28px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-speed) ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .hamburger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-speed) ease;
        z-index: 55;
        padding-top: 80px;
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
    }

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

    .nav-link {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
        text-align: left;
    }
}

/* ================================
   Hero Section
   ================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    background-image: url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 95, 141, 0.7);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ================================
   Services Section
   ================================ */
.services {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
    color: var(--color-grey);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
}

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

.service-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--color-light-grey);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.service-content .btn {
    margin-top: auto;
    align-self: flex-start;
}

.service-content h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-features {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-md);
}

.service-features li {
    list-style: disc;
    margin-bottom: var(--spacing-xs);
    color: var(--color-grey);
}

/* ================================
   About Section
   ================================ */
.about {
    background-color: var(--color-bg-light);
    padding: var(--spacing-2xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-image {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

.about-text h2 {
    color: var(--color-primary);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-grey);
}

.about-qualification {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.about-qualification .mta-logo {
    width: 120px;
    height: auto;
}

.about-qualification .qualification-text {
    margin: 0;
    font-weight: 600;
    color: var(--color-primary);
}

.about-regions {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-regions h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.about-regions ul {
    padding-left: var(--spacing-md);
}

.about-regions li {
    list-style: disc;
    margin-bottom: var(--spacing-sm);
    color: var(--color-grey);
}

/* ================================
   Testimonials Section
   ================================ */
.testimonials {
    padding: var(--spacing-2xl) 0;
    display: none; /* Hidden until real testimonials are available */
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--color-accent);
}

.testimonial-card blockquote {
    margin-bottom: var(--spacing-md);
}

.testimonial-card p {
    font-style: italic;
    color: var(--color-grey);
    margin: 0;
}

.testimonial-card cite {
    display: flex;
    flex-direction: column;
    font-style: normal;
    gap: var(--spacing-xs);
}

.testimonial-name {
    font-weight: 600;
    color: var(--color-dark);
}

.testimonial-location {
    font-size: var(--font-size-small);
    color: var(--color-grey);
}

/* ================================
   Call to Action Section
   ================================ */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    margin-top: var(--spacing-lg);
}

.contact-email a {
    color: var(--color-white);
    font-size: 1.125rem;
    text-decoration: underline;
}

.contact-email a:hover {
    color: var(--color-light-grey);
}

/* ================================
   Contact Form
   ================================ */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

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

.form-group label {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.required {
    color: var(--color-light-grey);
    font-weight: 400;
}

/* Input Styling */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
    padding: 0.875rem;
    font-size: 1rem;
    font-family: var(--font-family-base);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-dark);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    min-height: 44px;
    width: 100%;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-grey);
    opacity: 0.7;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%23636E72' d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
    appearance: none;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Validation States */
.form-group.valid input,
.form-group.valid select,
.form-group.valid textarea {
    border-color: var(--color-green);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #e74c3c;
}

.error-message {
    color: #ffcccc;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
    display: block;
}

.form-group.error .error-message {
    display: block;
}

/* Honeypot - completely hidden */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

/* Character Counter */
.char-count {
    text-align: right;
    font-size: 0.875rem;
    color: var(--color-white);
    margin-top: var(--spacing-xs);
    opacity: 0.8;
}

.char-count.warning {
    color: #ffd700;
    font-weight: 600;
}

.char-count.limit {
    color: #ff6b6b;
    font-weight: 700;
}

/* Form Status Messages */
.form-status {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(76, 175, 80, 0.2);
    border: 2px solid #4caf50;
    color: var(--color-white);
}

.form-status.error {
    display: block;
    background: rgba(231, 76, 60, 0.2);
    border: 2px solid #e74c3c;
    color: var(--color-white);
}

/* Form Actions */
.form-actions {
    margin-top: var(--spacing-lg);
    text-align: center;
}

/* Submit Button Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-loader {
    display: none;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loader {
    display: inline-block;
}

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

/* Privacy Notice */
.form-privacy {
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

.form-privacy a {
    color: var(--color-white);
    text-decoration: underline;
}

.form-privacy a:hover {
    color: var(--color-light-grey);
}

/* Contact Fallback */
.contact-fallback {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

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

.contact-fallback .contact-email a {
    font-size: 1.25rem;
    color: var(--color-white);
    text-decoration: underline;
}

/* ================================
   Footer
   ================================ */
.site-footer {
    background-color: var(--color-dark);
    color: var(--color-light-grey);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    font-size: var(--font-size-small);
    line-height: 1.6;
}

.footer-credentials,
.footer-membership {
    font-size: 0.75rem;
    color: var(--color-grey);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-light-grey);
    font-size: var(--font-size-small);
    transition: color var(--transition-speed);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-grey);
}

.footer-bottom p {
    font-size: var(--font-size-small);
    color: var(--color-grey);
    margin: 0;
}

/* ================================
   Responsive Design - Tablet
   ================================ */
@media (min-width: 768px) {
    /* Typography scaling */
    :root {
        --font-size-h1: 3rem;
        --font-size-h2: 2.5rem;
        --font-size-h3: 1.75rem;
    }

    .container {
        padding: 0 var(--spacing-lg);
    }

    /* Header */
    .logo h1 {
        font-size: 1.5rem;
    }

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

    /* Hero */
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    /* Services */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About */
    .about-content {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-2xl);
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Contact Form */
    .form-row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .contact-form {
        padding: var(--spacing-xl);
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ================================
   Responsive Design - Desktop
   ================================ */
@media (min-width: 1024px) {
    /* Typography scaling */
    :root {
        --font-size-h1: 3.5rem;
        --font-size-h2: 2.75rem;
        --font-size-h3: 2rem;
    }

    /* Hero */
    .hero {
        background-attachment: fixed;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    /* Services - side-by-side cards on large screens */
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ================================
   Responsive Design - Large Desktop
   ================================ */
@media (min-width: 1440px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ================================
   Print Styles
   ================================ */
@media print {
    .skip-link,
    .scroll-indicator,
    .btn,
    .site-header,
    .site-footer {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
    }
}