/* 
   Arrowleaf Integrated Systems LLC - Custom CSS stylesheet
   Aesthetic: Dark Tech, Cinematic Obsidian, Neon Cyan & Green Accents, Professional & High-Contrast
*/

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens / CSS Variables --- */
:root {
    --bg-darker: #05070c;
    --bg-dark: #0b0f19;
    --bg-card: rgba(15, 23, 42, 0.65);
    --bg-card-hover: rgba(22, 33, 59, 0.8);
    --border-glow: rgba(0, 240, 255, 0.15);
    
    /* Neon Accents */
    --neon-blue: #00f0ff;
    --neon-blue-glow: rgba(0, 240, 255, 0.45);
    --neon-blue-dim: rgba(0, 240, 255, 0.1);
    
    --neon-green: #00ff88;
    --neon-green-glow: rgba(0, 255, 136, 0.45);
    --neon-green-dim: rgba(0, 255, 136, 0.1);
    
    --text-primary: #f8fafc; /* Slate 50 */
    --text-muted: #94a3b8; /* Slate 400 */
    --text-dark: #0f172a; /* Slate 900 */
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Global Reset & Scrollbars --- */
html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-darker);
    overflow-x: hidden;
    scroll-behavior: smooth;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
    border: 1px solid rgba(0, 240, 255, 0.1);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue-glow);
}

/* --- Base Typography --- */
h1, h2, h3, h4, h5, h6, .display-font {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-muted);
    font-weight: 400;
}

/* --- Cinematic Tech Background --- */
.cyber-bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image: 
        radial-gradient(at 0% 0%, rgba(13, 25, 48, 0.6) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(0, 240, 255, 0.07) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(0, 255, 136, 0.05) 0px, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.005) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.005) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 100% 100%, 45px 45px, 45px 45px;
    pointer-events: none;
}

/* --- Interactive Canvas Container --- */
#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.45;
}

/* --- Glassmorphism Card Style --- */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.glass-card.accent-blue:hover::before {
    background: linear-gradient(90deg, var(--neon-blue), transparent);
}

.glass-card.accent-green:hover::before {
    background: linear-gradient(90deg, var(--neon-green), transparent);
}

/* --- Cyber Buttons --- */
.btn-neon {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-neon-blue {
    color: var(--neon-blue);
    background: transparent;
    border: 1px solid var(--neon-blue);
    text-shadow: 0 0 4px rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 10px var(--neon-blue-dim);
}

.btn-neon-blue:hover, .btn-neon-blue:focus {
    color: var(--text-dark);
    background: var(--neon-blue);
    border-color: var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue-glow);
    text-shadow: none;
}

.btn-neon-green {
    color: var(--neon-green);
    background: transparent;
    border: 1px solid var(--neon-green);
    text-shadow: 0 0 4px rgba(0, 255, 136, 0.3);
    box-shadow: 0 0 10px var(--neon-green-dim);
}

.btn-neon-green:hover, .btn-neon-green:focus {
    color: var(--text-dark);
    background: var(--neon-green);
    border-color: var(--neon-green);
    box-shadow: 0 0 20px var(--neon-green-glow);
    text-shadow: none;
}

/* --- Navigation Styles --- */
.navbar-glass {
    background: rgba(5, 7, 12, 0.8) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary) !important;
    font-size: 1.5rem;
}

.navbar-brand span {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue-glow);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-muted) !important;
    margin-right: 1.25rem;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    box-shadow: 0 0 8px var(--neon-blue-glow);
    transition: var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* --- Hero Section & Custom Typography --- */
.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 60%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 700px;
}

.glow-text-cyan {
    color: var(--neon-blue);
    text-shadow: 0 0 8px var(--neon-blue-glow);
}

.glow-text-green {
    color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green-glow);
}

/* --- Icons --- */
.icon-box-cyan {
    color: var(--neon-blue);
    text-shadow: 0 0 15px var(--neon-blue-glow);
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.icon-box-green {
    color: var(--neon-green);
    text-shadow: 0 0 15px var(--neon-green-glow);
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

/* --- Timeline Layout --- */
.timeline-container {
    position: relative;
    padding-left: 2.5rem;
    margin-left: 1rem;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--neon-blue) 0%, var(--neon-green) 50%, rgba(255,255,255,0.05) 100%);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.2);
}

.timeline-card {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: -2.9rem;
    top: 1.25rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    z-index: 2;
    transition: var(--transition-smooth);
}

.dot-blue {
    background-color: var(--bg-darker);
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue-glow);
}

.dot-green {
    background-color: var(--bg-darker);
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green-glow);
}

.timeline-card:hover .timeline-dot {
    transform: scale(1.4);
}

/* --- CTA Strip --- */
.cta-strip {
    background: linear-gradient(135deg, rgba(11, 15, 25, 0.9) 0%, rgba(5, 7, 12, 0.95) 100%);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.03);
}

/* --- Forms Custom Styling --- */
.cyber-input {
    background: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    color: var(--text-primary) !important;
    padding: 0.85rem 1.1rem !important;
    border-radius: 6px !important;
    font-family: var(--font-body);
    transition: var(--transition-smooth) !important;
}

.cyber-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.cyber-input:focus {
    background: rgba(22, 33, 59, 0.8) !important;
    border-color: var(--neon-blue) !important;
    box-shadow: 0 0 12px var(--neon-blue-dim) !important;
    outline: none !important;
}

.cyber-form-label {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

/* Alert styles */
.cyber-alert {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    border: 1px solid transparent;
}

.cyber-alert-success {
    border-color: var(--neon-green);
    color: var(--neon-green);
    box-shadow: inset 0 0 15px rgba(0, 255, 136, 0.1), 0 0 15px rgba(0, 255, 136, 0.05);
}

.cyber-alert-danger {
    border-color: #ef4444;
    color: #fca5a5;
    box-shadow: inset 0 0 15px rgba(239, 68, 68, 0.1);
}

/* --- Footer --- */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: rgba(5, 7, 12, 0.9);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-link:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 6px var(--neon-blue-glow);
}

/* --- Micro animations / Reveal styles --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.25s; opacity: 0; }
.delay-3 { animation-delay: 0.4s; opacity: 0; }

.reveal-element {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-element.active {
    opacity: 1;
    transform: translateY(0);
}