/* global.css - v3 (Futuristic & Stunning) */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@100;200;300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette: Deep, Dark, Luminous */
    --primary-bg-color: #030409; /* Deep space black/blue */
    --secondary-bg-color: #0A0B12; /* Slightly lighter, for depth */
    --card-bg-color: #0F101A; /* Dark, desaturated indigo for cards */
    
    --primary-text-color: #E8E9F0; /* Soft, luminous white */
    --secondary-text-color: #A0A3B0; /* Muted silver/grey */
    
    /* Accents: Electric & Ethereal */
    --accent-primary-color: #00F2FE; /* Electric Cyan */
    --accent-primary-hover: #60F8FF;
    --accent-secondary-color: #BD00FF; /* Vibrant Magenta/Purple */
    --accent-glow-color: rgba(0, 242, 254, 0.3); /* Cyan glow */
    --accent-secondary-glow-color: rgba(189, 0, 255, 0.25);

    --border-color: #1A1C29; /* Very subtle borders */
    --border-highlight-color: rgba(0, 242, 254, 0.4); /* Illuminated border */

    /* Typography: Crisp, Modern, Tech-Inspired */
    --font-primary: 'Lexend', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Space Grotesk', 'Lexend', sans-serif; /* For impactful headlines */

    --font-weight-extralight: 200;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --font-size-base: 16px;
    --font-size-sm: 0.875rem; /* 14px */
    --font-size-md: 1rem;    /* 16px */
    --font-size-lg: 1.125rem; /* 18px */
    --font-size-xl: 1.3rem;  /* ~21px, for prominent subtext */

    --line-height-base: 1.65;
    --line-height-heading: 1.25;

    /* Headings: Visionary Scale */
    --font-size-h1: clamp(3rem, 7vw, 6rem); 
    --font-size-h2: clamp(2.2rem, 5vw, 3.8rem);
    --font-size-h3: clamp(1.6rem, 4vw, 2.5rem);
    --font-size-h4: 1.3rem;

    /* Spacing & Layout: Generous & Precise */
    --container-width: 1320px;
    --spacing-unit: 8px;
    
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px; /* Slightly more pronounced, modern rounding */

    --transition-duration-fast: 0.25s;
    --transition-duration-normal: 0.4s;
    --transition-duration-slow: 0.6s;
    --transition-timing-function-cubic: cubic-bezier(0.65, 0, 0.35, 1); /* Smooth, responsive curve */
    --transition-timing-function-expo: cubic-bezier(0.16, 1, 0.3, 1); /* Fast out */
}

/* --- Base Reset & Enhanced Defaults --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    background-color: var(--primary-bg-color);
    scrollbar-width: thin;
    scrollbar-color: var(--accent-secondary-color) var(--secondary-bg-color);
}
html::-webkit-scrollbar { width: 8px; }
html::-webkit-scrollbar-track { background: var(--secondary-bg-color); }
html::-webkit-scrollbar-thumb { background-color: var(--accent-primary-color); border-radius: 20px; border: 2px solid var(--secondary-bg-color); }


body {
    font-family: var(--font-primary);
    background-color: var(--primary-bg-color);
    color: var(--primary-text-color);
    line-height: var(--line-height-base);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative; /* For potential global pseudo-elements or overlays */
}

body.preload * { transition: none !important; }

/* --- Typography - Visionary Clarity --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--primary-text-color);
    line-height: var(--line-height-heading);
    margin-bottom: calc(var(--spacing-unit) * 3.5); /* 28px */
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.025em; /* Slightly tighter for display fonts */
    text-shadow: 0 0 10px rgba(232, 233, 240, 0.1); /* Subtle text glow */
}

h1 { font-size: var(--font-size-h1); font-weight: var(--font-weight-bold); letter-spacing: -0.04em; }
h2 { font-size: var(--font-size-h2); font-weight: var(--font-weight-semibold); letter-spacing: -0.03em; }
h3 { font-size: var(--font-size-h3); font-weight: var(--font-weight-medium); }
h4 { font-size: var(--font-size-h4); font-weight: var(--font-weight-medium); }

p {
    margin-bottom: calc(var(--spacing-unit) * 2.5); /* 20px */
    color: var(--secondary-text-color);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-light);
    max-width: 70ch;
}
p.lead {
    font-size: var(--font-size-xl);
    color: var(--primary-text-color);
    font-weight: var(--font-weight-extralight); /* Even lighter for ethereal feel */
    letter-spacing: 0.01em;
}

a {
    color: var(--accent-primary-color);
    text-decoration: none;
    transition: color var(--transition-duration-fast) var(--transition-timing-function-cubic);
}
a:hover, a:focus {
    color: var(--accent-primary-hover);
    text-decoration: none;
    outline: none; /* Custom focus states will be handled */
}
a:focus-visible { /* Modern focus indication */
    outline: 2px solid var(--accent-primary-color);
    outline-offset: 3px;
    border-radius: var(--border-radius-sm);
}


img, svg, video {
    max-width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}

/* --- Layout & Container - Expansive & Structured --- */
.container {
    width: 92%; /* More fluid width */
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: calc(var(--spacing-unit) * 2); /* 16px */
    padding-right: calc(var(--spacing-unit) * 2);
}

.content-section {
    padding: calc(var(--spacing-unit) * 12) 0; /* 96px top/bottom */
    position: relative; /* For pseudo-elements and z-indexing */
}
.content-section.alt-bg {
    background-color: var(--secondary-bg-color);
    /* Consider a subtle pattern or texture for alt backgrounds */
}
.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 8); /* 64px */
}
.section-title h2 {
    margin-bottom: calc(var(--spacing-unit) * 2);
    position: relative;
}
/* Futuristic underline/accent for section titles */
.section-title h2::after {
    content: '';
    display: block;
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary-color), var(--accent-secondary-color));
    margin: calc(var(--spacing-unit) * 1.5) auto 0;
    border-radius: 3px;
    box-shadow: 0 0 15px var(--accent-glow-color);
}

.section-title p { /* Subtitle for section */
    font-size: var(--font-size-xl);
    color: var(--secondary-text-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: var(--font-weight-light);
}

/* --- Buttons - Futuristic & Responsive --- */
.cta-button {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-primary-color) 0%, var(--accent-secondary-color) 100%);
    color: var(--primary-bg-color); /* Dark text for contrast on bright gradient */
    padding: calc(var(--spacing-unit) * 1.8) calc(var(--spacing-unit) * 4.5); /* ~14px 36px */
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-md);
    text-decoration: none;
    letter-spacing: 0.03em;
    border: none; /* No border for gradient buttons */
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden; /* For shimmer effect */
    transition: transform var(--transition-duration-normal) var(--transition-timing-function-expo),
                box-shadow var(--transition-duration-normal) var(--transition-timing-function-expo);
}
.cta-button::before { /* Shimmer effect */
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left var(--transition-duration-slow) var(--transition-timing-function-cubic);
}
.cta-button:hover::before, .cta-button:focus-visible::before {
    left: 100%;
}
.cta-button:hover, .cta-button:focus-visible {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 4) rgba(0, 242, 254, 0.3),
                0 calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 2) rgba(189, 0, 255, 0.2);
    color: #030409; /* Ensure text color remains dark */
}
.cta-button:active {
    transform: translateY(0) scale(1);
    box-shadow: none;
}

.cta-button.secondary { /* Outline/Ghost button - futuristic */
    background: transparent;
    color: var(--primary-text-color);
    border: 1.5px solid var(--border-highlight-color);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
    transition: background-color var(--transition-duration-fast) var(--transition-timing-function-cubic),
                color var(--transition-duration-fast) var(--transition-timing-function-cubic),
                border-color var(--transition-duration-fast) var(--transition-timing-function-cubic),
                box-shadow var(--transition-duration-fast) var(--transition-timing-function-cubic);
}
.cta-button.secondary:hover, .cta-button.secondary:focus-visible {
    background-color: var(--accent-primary-color);
    color: var(--primary-bg-color);
    border-color: var(--accent-primary-color);
    box-shadow: 0 0 20px var(--accent-glow-color);
}
.cta-button.secondary::before { display: none; } /* No shimmer for secondary */

/* --- Forms - Sleek & Minimal --- */
.form-group {
    margin-bottom: calc(var(--spacing-unit) * 3);
}
.form-group label { /* Often sr-only, but styled if visible */
    display: block;
    margin-bottom: var(--spacing-unit);
    font-weight: var(--font-weight-medium);
    color: var(--secondary-text-color);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2.5); /* 16px 20px */
    border: 1px solid var(--border-color);
    background-color: rgba(10, 11, 18, 0.5); /* Semi-transparent dark */
    color: var(--primary-text-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-light);
    transition: border-color var(--transition-duration-normal) var(--transition-timing-function-cubic), 
                box-shadow var(--transition-duration-normal) var(--transition-timing-function-cubic),
                background-color var(--transition-duration-normal) var(--transition-timing-function-cubic);
}
.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group input[type="tel"]::placeholder,
.form-group textarea::placeholder {
    color: var(--secondary-text-color);
    opacity: 0.6;
    font-weight: var(--font-weight-light);
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-highlight-color);
    background-color: var(--secondary-bg-color);
    box-shadow: 0 0 15px var(--accent-glow-color);
}
textarea {
    resize: vertical;
    min-height: calc(var(--spacing-unit) * 18); /* 144px */
}
/* Form status message styling */
#form-status-message {
    margin-top: var(--spacing-unit) * 2;
    padding: calc(var(--spacing-unit) * 1.5);
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    display: none;
}
#form-status-message.success {
    background-color: rgba(0, 242, 254, 0.1);
    color: var(--accent-primary-color);
    border: 1px solid var(--accent-primary-color);
    box-shadow: 0 0 10px var(--accent-glow-color);
    display: block;
}
#form-status-message.error {
    background-color: rgba(255, 69, 58, 0.1); /* Futuristic error red */
    color: #FF453A;
    border: 1px solid #FF453A;
    box-shadow: 0 0 10px rgba(255, 69, 58, 0.3);
    display: block;
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-accent-primary { color: var(--accent-primary-color) !important; }
.text-accent-secondary { color: var(--accent-secondary-color) !important; }
.sr-only, .visually-hidden {
    position: absolute !important;
    width: 1px !important; height: 1px !important;
    padding: 0 !important; margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0,0,0,0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
.glowing-text-gradient {
    background: linear-gradient(90deg, var(--accent-primary-color), var(--accent-secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--accent-glow-color));
}


/* --- Responsive Adjustments --- */
@media (max-width: 1024px) { /* Tablet */
    :root {
        --font-size-base: 15px;
    }
    .content-section {
        padding: calc(var(--spacing-unit) * 10) 0; /* 80px */
    }
}

@media (max-width: 767px) { /* Mobile */
    :root {
        --font-size-base: 14px;
    }
    .content-section {
        padding: calc(var(--spacing-unit) * 8) 0; /* 64px */
    }
    .section-title {
        margin-bottom: calc(var(--spacing-unit) * 6);
    }
    p, p.lead {
        font-size: var(--font-size-md);
        font-weight: var(--font-weight-regular); /* Slightly less light on mobile for readability */
    }
    p.lead { font-size: var(--font-size-lg); }
}