/* ===== BLACK & WHITE MINIMAL STYLE - CSS VARIABLES ===== */
:root {
    /* Primary Colors - Black & White Palette */
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --primary-gray: #1F1F1F;
    
    /* Gray Scale Colors */
    --gray-50: #F9F9F9;
    --gray-100: #F0F0F0;
    --gray-200: #E0E0E0;
    --gray-300: #D0D0D0;
    --gray-400: #B0B0B0;
    --gray-500: #909090;
    --gray-600: #707070;
    --gray-700: #505050;
    --gray-800: #303030;
    --gray-900: #1F1F1F;
    
    /* Black & White Specific */
    --black: #000000;
    --white: #FFFFFF;
    --near-black: #111111;
    --near-white: #FAFAFA;
    
    /* Semantic Colors */
    --success: #2E7D32;
    --warning: #FF8F00;
    --error: #C62828;
    --info: #1565C0;

    /* Spacing Scale */
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */
    --spacing-20: 5rem;     /* 80px */
    --spacing-24: 6rem;     /* 96px */

/* Disable scroll when mobile menu is open */
html.no-scroll,
body.no-scroll {
    overflow: hidden;
    height: 100%;
    overscroll-behavior: contain;
    touch-action: none;
}


    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */

    /* Border Radius - Minimal Style (Reduced rounding) */
    --radius-sm: 0.125rem;    /* 2px */
    --radius-md: 0.25rem;     /* 4px */
    --radius-lg: 0.5rem;      /* 8px */
    --radius-xl: 0.75rem;     /* 12px */
    --radius-2xl: 1rem;       /* 16px */
    --radius-full: 9999px;

    /* Shadows - Minimal Style */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;

    /* Gradients - Minimal Style */
    --gradient-primary: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    --gradient-accent: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
    --gradient-hero: linear-gradient(135deg, #FFFFFF 0%, #F5F5F5 100%);
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-8);
        height: 100%;
    }
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Text Utilities */
.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button Base Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-tertiary {
    background: var(--gray-100);
    color: var(--gray-800);
    border: 2px solid var(--gray-200);
}

.btn-tertiary:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Card Base Styles */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.card-lg {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.card-hover {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    cursor: pointer;
}

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

.card-gradient {
    position: relative;
    background: var(--gradient-hero);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: 1;
}

.card-gradient > * {
    position: relative;
    z-index: 2;
}

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

/* Section Spacing */
.section {
    padding: var(--spacing-16) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-20) 0;
    }
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
    text-align: center;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-12);
    line-height: 1.7;
}

/* Main Content Area */
.main {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}



/* ===== BLACK & WHITE MINIMAL STYLE - CSS VARIABLES ===== */
:root {
    /* Primary Colors - Black & White Palette */
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --primary-gray: #1F1F1F;
    
    /* Gray Scale Colors */
    --gray-50: #F9F9F9;
    --gray-100: #F0F0F0;
    --gray-200: #E0E0E0;
    --gray-300: #D0D0D0;
    --gray-400: #B0B0B0;
    --gray-500: #909090;
    --gray-600: #707070;
    --gray-700: #505050;
    --gray-800: #303030;
    --gray-900: #1F1F1F;
    
    /* Black & White Specific */
    --black: #000000;
    --white: #FFFFFF;
    --near-black: #111111;
    --near-white: #FAFAFA;
    
    /* Semantic Colors */
    --success: #2E7D32;
    --warning: #FF8F00;
    --error: #C62828;
    --info: #1565C0;

    /* Spacing Scale */
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */
    --spacing-20: 5rem;     /* 80px */
    --spacing-24: 6rem;     /* 96px */

/* Disable scroll when mobile menu is open */
html.no-scroll,
body.no-scroll {
    overflow: hidden;
    height: 100%;
    overscroll-behavior: contain;
    touch-action: none;
}


    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */

    /* Border Radius - Minimal Style (Reduced rounding) */
    --radius-sm: 0.125rem;    /* 2px */
    --radius-md: 0.25rem;     /* 4px */
    --radius-lg: 0.5rem;      /* 8px */
    --radius-xl: 0.75rem;     /* 12px */
    --radius-2xl: 1rem;       /* 16px */
    --radius-full: 9999px;

    /* Shadows - Minimal Style */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;

    /* Gradients - Minimal Style */
    --gradient-primary: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    --gradient-accent: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
    --gradient-hero: linear-gradient(135deg, #FFFFFF 0%, #F5F5F5 100%);
}