/* 
   London BMA - Global Styles 
   Theme: Minimalist, Elegant, Luminous
*/

:root {
    /* Color Palette */
    --color-bg-primary: #FFFFFF;
    /* White */
    --color-bg-secondary: #F9F9F9;
    /* Light Grey */
    --color-text-primary: #333333;
    /* Dark Grey */
    --color-text-secondary: #666666;
    /* Medium Grey */

    /* Accent Colors */
    --color-accent-primary: #B8860B;
    /* Deep Gold */
    --color-accent-secondary: #D4AF37;
    /* Gold */
    --color-accent-tertiary: #F1E5AC;
    /* Champagne Gold */

    /* Functional Colors */
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-border: #E0E0E0;
    /* Light Border */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    /* Headings */
    --font-secondary: 'Lato', sans-serif;
    /* Body text */

    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

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

body {
    font-family: var(--font-secondary);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

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

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.section-bg-alt {
    background-color: var(--color-bg-secondary);
}

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

.text-right {
    text-align: right;
}

.d-flex {
    display: flex;
}

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

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: #966D08;
    /* Darker shade of Deep Gold */
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* Typography Utilities */
.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent-secondary);
    margin: 10px auto 0;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
    display: block;
}

/* Grid System (Simple) */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    /* White with opacity */
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: padding var(--transition-normal);
}

.header.scrolled {
    padding: var(--spacing-xs) 0;
}

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

.logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--color-text-primary);
    position: relative;
    transition: text-shadow var(--transition-normal), color var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent-primary);
    text-shadow: 0 0 10px var(--color-accent-secondary), 0 0 20px var(--color-accent-tertiary);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Service Icons */
.service-icon {
    font-size: 3rem;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-sm);
}

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

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform var(--transition-normal);
        text-align: center;
    }

    .nav-menu.active {
        transform: translateY(0);
    }
}

/* About Section with Background */
.about-section {
    background-image: url('../img/bg-alta.png');
    /* High resolution aligned left */
    background-size: cover;
    background-position: left center;
    /* Align to left to show person */
    background-repeat: no-repeat;
    position: relative;
    padding: var(--spacing-lg) 0;
    /* Reduced padding */
    display: flex;
    align-items: center;
    color: var(--color-text-primary);
    min-height: 400px;
    /* Reduced height */
}

.about-content {
    background-color: rgba(255, 255, 255, 0.7);
    /* Semi-transparent background */
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 600px;
    /* Limit width */
    margin-left: auto;
    /* Push to right */
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(5px);
    margin-right: 5%;
    /* Add some right margin */
}

@media (max-width: 768px) {
    .about-section {
        background-position: center;
        padding: var(--spacing-lg) 0;
    }

    .about-content {
        margin: 0 auto;
        background-color: rgba(255, 255, 255, 0.9);
        width: 90%;
        margin-right: auto;
    }
}

/* Before/After Slider */
.before-after-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    /* Limit width to keep it manageable */
    aspect-ratio: 1 / 1;
    /* Force square ratio */
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    cursor: col-resize;
}

.before-after-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    -webkit-user-drag: none;
    user-select: none;
    pointer-events: none;
}

.view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.view-before {
    width: 50%;
    /* Initial state */
    z-index: 2;
    border-right: 2px solid white;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    /* Initial state */
    height: 100%;
    width: 4px;
    background: white;
    z-index: 3;
    pointer-events: none;
    /* Let clicks pass through to container */
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}



@media (max-width: 600px) {
    /* Height handled by aspect ratio now */
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 20px;
}

.lang-btn {
    width: 28px;
    height: 28px;
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    opacity: 0.6;
}

.lang-btn img,
.lang-btn svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lang-btn:hover,
.lang-btn.active {
    opacity: 1;
    transform: scale(1.1);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .lang-toggle {
        margin: 20px auto 10px auto;
        justify-content: center;
    }
}