:root {
    --primary-color: #5d5fef;
    --secondary-color: #365add;
    --label-color: #ffb100;
    --section-color: #2c3e50;
    --text-dark: #333;
    --advice-color: #6c757d;
    --background-light: #f4f6f9;
    --white: #ffffff;
    --shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    
    /* Mobile-first spacing and sizing */
    --section-padding: 3rem 0;
    --container-padding: 0 1rem;
    --card-padding: 1.5rem;
    --gap-small: 1rem;
    --gap-medium: 1.5rem;
    --gap-large: 2rem;
    --border-radius: 12px;
    --service-card-height: 300px;
    
    /* Navigation height compensation */
    --nav-height: 60px; /* Adjust this to match your actual navigation height */
}

/* Desktop overrides */
@media (min-width: 768px) {
    :root {
        --section-padding: 5rem 0;
        --container-padding: 0 1rem;
        --card-padding: 2rem;
        --gap-small: 1.5rem;
        --gap-medium: 2rem;
        --gap-large: 2.5rem;
        --border-radius: 15px;
        --service-card-height: 400px;
        --nav-height: 70px; /* Desktop nav is usually taller */
    }
}

/* Base styles - Mobile first */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-top: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Button styles - Mobile optimized */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    min-height: 44px; /* Touch-friendly */
    min-width: 44px;
    touch-action: manipulation; /* Prevent double-tap zoom */
}

@media (hover: hover) {
    .btn:hover {
        background-color: var(--secondary-color);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 4.5vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--section-color);
    padding: 0 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: clamp(0.95rem, 2.2vw, 1.1rem);
    margin-bottom: 2rem;
    color: var(--advice-color);
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
    line-height: 1.5;
}

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



/* Services Section Styles - Mobile first */
.services-section {
    padding: var(--section-padding);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap-medium);
    max-width: 100%;
}

.service-card {
    position: relative;
    height: var(--service-card-height);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

/* Reduced hover effects on mobile for better performance */
@media (hover: hover) {
    .service-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    }
}

.service-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

@media (hover: hover) {
    .service-card:hover .service-image {
        transform: scale(1.05);
    }
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 50%, transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--card-padding);
    color: var(--white);
    transition: var(--transition);
}

@media (hover: hover) {
    .service-card:hover .service-overlay {
        background: linear-gradient(to top, rgba(93, 95, 239, 0.85) 60%, transparent);
    }
}

.service-title {
    font-size: clamp(1.2rem, 3.5vw, 1.8rem); /* Slightly reduced for mobile */
    margin-bottom: 0.75rem;
    position: relative;
    padding-bottom: 0.5rem;
    font-weight: 600;
}

.service-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--label-color);
    border-radius: 2px;
}

.service-description {
    margin-bottom: 1rem;
    opacity: 0.95;
    font-size: clamp(0.85rem, 2.2vw, 1rem); /* Slightly reduced for mobile */
    line-height: 1.5;
}

/* Investment Advice Section - Mobile optimized */
.investment-advice {
    padding: var(--section-padding);
    background-color: var(--white);
}

.advice-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap-medium);
}

.advice-card {
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    padding: var(--card-padding);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    height: auto;
}

@media (hover: hover) {
    .advice-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
    }
}

.advice-icon {
    font-size: clamp(1.8rem, 4.5vw, 2.5rem); /* Slightly reduced for mobile */
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.advice-title {
    font-size: clamp(1rem, 3.2vw, 1.3rem); /* Slightly reduced for mobile */
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.advice-description {
    color: var(--advice-color);
    font-size: clamp(0.85rem, 2.2vw, 0.95rem); /* Slightly reduced for mobile */
    line-height: 1.6;
}

/* CTA Section - Mobile optimized */
.cta-section {
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    border-radius: var(--border-radius);
    max-width: 100%;
    margin: 0 auto var(--gap-large);
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: clamp(1.4rem, 3.8vw, 2rem); /* Slightly reduced for mobile */
    margin-bottom: 1rem;
    font-weight: 600;
}

.cta-description {
    max-width: 100%;
    margin: 0 auto 1.5rem;
    opacity: 0.95;
    font-size: clamp(0.85rem, 2.2vw, 1rem); /* Slightly reduced for mobile */
    line-height: 1.5;
    padding: 0 1rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.cta-buttons .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
}

/* Tablet breakpoint */
@media (min-width: 768px) {
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--gap-large);
    }
    
    .section-subtitle {
        margin-bottom: 3rem;
        max-width: 700px;
    }
    
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }
    
    .cta-buttons .btn {
        width: auto;
        max-width: none;
    }
    
    .service-title::after {
        width: 50px;
    }
}

/* Large tablet/small desktop */
@media (min-width: 1024px) {
    .advice-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--gap-large);
    }
    
    .cta-section {
        padding: 2.5rem 2rem;
        max-width: 1200px;
    }
    
}

/* Large desktop */
@media (min-width: 1200px) {
    .services-grid {
        gap: 2.5rem;
    }
}

/* Performance optimizations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .service-image {
        transition: none;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero {
        background-image: linear-gradient(rgba(93, 95, 239, 0.6), rgba(93, 95, 239, 0.8)), 
                          url('https://images.unsplash.com/photo-1582407947304-fd86f028f716?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    }
}

/* Touch device optimizations */
@media (pointer: coarse) {
    .btn {
        min-height: 48px;
        padding: 0.875rem 1.5rem;
    }
    
    .service-card {
        /* Disable hover effects on touch devices by default */
        transform: none;
    }
    
    .service-card:active {
        transform: scale(0.98);
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    
    .services-section {
        padding: 2rem 0;
    }
    
    .investment-advice {
        padding: 2rem 0;
    }
}

/* Very small screens */
@media (max-width: 320px) {
    
    .service-card {
        height: 280px;
    }
    
    .service-overlay {
        padding: 1.25rem;
    }
    
    .advice-card {
        padding: 1.25rem;
    }
}


/* Focus states for accessibility */
.btn:focus,
.service-card:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.service-image {
    background-color: #f0f0f0;
}

.service-image[src=""] {
    background-image: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Utility class for navigation-aware sections */
.nav-aware {
    padding-top: var(--nav-height);
}

/* Safe area insets for devices with notches */
@supports (padding-top: env(safe-area-inset-top)) {
    .hero {
        padding-top: calc(var(--nav-height) + env(safe-area-inset-top));
    }
}