/* ===================================
   CSS Custom Properties (Variables)
   =================================== */
:root {
    /* Colors */
    --color-navy-dark: #001F3F;
    --color-navy: #1E3A8A;
    --color-blue-electric: #0066FF;
    --color-blue-accent: #00A3FF;
    --color-black: #000000;
    --color-gray-dark: #0A0A0A;
    --color-gray-darker: #1A1A1A;
    --color-gray-medium: #2A2A2A;
    --color-gray-light: #AAAAAA;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-xxl: 8rem;

    /* Effects */
    --glow-blue: 0 0 20px rgba(0, 102, 255, 0.5);
    --glow-blue-strong: 0 0 40px rgba(0, 102, 255, 0.8);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ===================================
   Background Elements
   =================================== */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        var(--color-black) 0%,
        var(--color-navy-dark) 50%,
        var(--color-black) 100%
    );
    opacity: 0.8;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 102, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

main {
    position: relative;
    z-index: 1;
}

/* ===================================
   Hero Section
   =================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) 0;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.floating-shapes {
    display: none;
}

.shape {
    display: none;
}

.shape-1 {
    display: none;
}

.shape-2 {
    display: none;
}

.shape-3 {
    display: none;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.company-name {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    background: linear-gradient(
        135deg,
        var(--color-white) 0%,
        var(--color-blue-accent) 50%,
        var(--color-blue-electric) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    letter-spacing: 0.05em;
    text-shadow: var(--glow-blue);
    animation: gradientShift 8s ease infinite;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-blue-accent);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray-light);
    font-weight: 300;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
    letter-spacing: 0.05em;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-blue-electric) 50%,
        transparent 100%
    );
    margin: var(--spacing-sm) auto 0;
}

/* ===================================
   Philosophy Section
   =================================== */
.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-card {
    padding: var(--spacing-lg);
    text-align: center;
}

.philosophy-statement {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    line-height: 1.8;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.philosophy-emphasis {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--color-blue-accent);
    font-style: italic;
}

/* ===================================
   Approach Section
   =================================== */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.approach-card {
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
    transition: transform var(--transition-medium);
    cursor: pointer;
}

.approach-card:hover {
    transform: translateY(-10px);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-blue-accent);
    filter: drop-shadow(var(--glow-blue));
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.card-description {
    font-size: 1rem;
    color: var(--color-gray-light);
    line-height: 1.6;
}

/* ===================================
   Glass Card Effect (Glassmorphism)
   =================================== */
.glass-card {
    background: rgba(30, 58, 138, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at center,
        rgba(0, 102, 255, 0.1) 0%,
        transparent 70%
    );
    opacity: 0;
    transition: opacity var(--transition-medium);
    pointer-events: none;
}

.glass-card:hover .card-glow {
    opacity: 1;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(0, 102, 255, 0.2);
    margin-top: var(--spacing-xxl);
}

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

.footer-text {
    font-size: 0.875rem;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-blue-accent);
    font-style: italic;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-xxl: 5rem;
    }

    .approach-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .shape {
        opacity: 0.3;
    }

    .shape-1,
    .shape-2,
    .shape-3 {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

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

    .philosophy-card,
    .approach-card {
        padding: var(--spacing-md);
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .background-container {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}