/* ========================================
   LSL Homepage Stylesheet
   Deep Dark Mode with Neon Green Accents
   ======================================== */

/* ========== CSS VARIABLES ========== */
:root {
    /* Background Colors */
    --bg-primary: #0A0A0A;
    --bg-secondary: #121212;
    --bg-tertiary: #1A1A1A;
    --bg-card: #161616;
    --bg-card-hover: #1E1E1E;
    /* Accent Colors */
    --accent-primary: #39FF14;
    --accent-primary-dim: rgba(57, 255, 20, 0.15);
    --accent-primary-glow: rgba(57, 255, 20, 0.4);
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B3B3B3;
    --text-muted: #737373;
    /* Border Colors */
    --border-primary: #2A2A2A;
    --border-hover: #3A3A3A;
    --border-accent: var(--accent-primary);
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    --container-padding: 0 24px;
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px var(--accent-primary-glow);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1:focus {
    outline: none;
}

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

ul {
    list-style: none;
}

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

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
}

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

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

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

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

    .btn-secondary:hover {
        background-color: var(--bg-card-hover);
        border-color: var(--border-hover);
    }

.btn-outline {
    background-color: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

    .btn-outline:hover {
        background-color: var(--accent-primary-dim);
        box-shadow: var(--shadow-glow);
    }

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    :root {
        --section-padding: 80px 0;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }
}