/**
 * LG-GRAPHICS Main Stylesheet
 * Futuristic Dark / Graphite & Lime Spark Theme
 * Theme: Lime Spark (#B6FF2E) + Graphite (#23262F)
 */

/* Import Modern Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Space+Grotesk:wght@500;600;700&display=swap');

/* CSS Variables - Design Tokens */
:root {
    /* Primary Brand Colors */
    --color-primary: #B6FF2E;          /* Lime Spark */
    --color-primary-dark: #9FE320;     /* Deeper Lime */
    --color-primary-glow: rgba(182, 255, 46, 0.25);
    --color-primary-text: #14171A;     /* Dark readable text on lime buttons */

    /* Graphite / Charcoal Surfaces */
    --color-secondary: #23262F;        /* Graphite */
    --color-secondary-dark: #191B22;   /* Deep Graphite */
    --color-secondary-light: #2D313D;  /* Lighter Graphite */
    
    /* Backgrounds */
    --color-dark: #14161D;             /* Obsidian Black base */
    --color-dark-light: #1A1D26;       /* Surface Dark */
    --color-surface: #23262F;          /* Card / Panel Graphite */
    --color-surface-elevated: #2A2E39; /* Hover Card Graphite */
    --color-cream: #14161D;            /* Dark mode base */
    --color-cream-dark: #1A1D26;
    
    /* Text & Neutral Colors */
    --color-white: #FFFFFF;
    --color-text-main: #F4F5F7;
    --color-text-muted: #9AA0AE;
    --color-gray: #9AA0AE;
    --color-gray-light: #2D313E;
    --color-border: rgba(255, 255, 255, 0.09);
    --color-border-glow: rgba(182, 255, 46, 0.3);

    /* Functional Accents */
    --color-success: #00E676;
    --color-warning: #FFB300;
    --color-error: #FF5252;
    --color-info: #00E5FF;
    
    /* Typography */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.45);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 25px rgba(182, 255, 46, 0.35);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max: 1280px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--color-dark);
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

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

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(20, 22, 29, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px var(--space-6);
}

.navbar-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    letter-spacing: -0.03em;
    text-decoration: none;
}

/* Universal Electric Lime Glow Effect for ALL Logos - Bold & Large */
.navbar-logo img,
.header-logo img,
.dash-header img,
.footer-logo,
.auth-logo,
.invoice-logo,
.site-logo,
img[src*="logo"],
img[alt*="LG-GRAPHICS"],
img[alt*="Logo"],
a > img[src*="logo"] {
    max-height: 56px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(182, 255, 46, 0.5)) drop-shadow(0 0 26px rgba(182, 255, 46, 0.25));
    transition: filter 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.navbar-logo:hover img,
.header-logo:hover img,
.dash-header a:hover img,
.footer-logo:hover,
.auth-logo:hover,
.invoice-logo:hover,
.site-logo:hover,
img[src*="logo"]:hover,
img[alt*="LG-GRAPHICS"]:hover,
img[alt*="Logo"]:hover,
a:hover > img[src*="logo"] {
    filter: drop-shadow(0 0 18px rgba(182, 255, 46, 0.95)) drop-shadow(0 0 36px rgba(182, 255, 46, 0.6));
    transform: scale(1.04);
}

/* Navbar Phone Number Badge */
.nav-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(182, 255, 46, 0.08);
    border: 1.5px solid rgba(182, 255, 46, 0.35);
    border-radius: var(--radius-full);
    color: #FFFFFF !important;
    font-size: var(--text-sm);
    font-weight: 700;
    text-decoration: none !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.nav-phone i {
    color: var(--color-primary);
    font-size: 0.95rem;
    filter: drop-shadow(0 0 6px rgba(182, 255, 46, 0.6));
    transition: all 0.2s;
}

.nav-phone:hover {
    background: var(--color-primary);
    color: #14171A !important;
    border-color: var(--color-primary);
    box-shadow: 0 0 18px rgba(182, 255, 46, 0.45);
    transform: translateY(-2px);
}

.nav-phone:hover i {
    color: #14171A !important;
    filter: none;
}

.navbar-logo i {
    color: var(--color-primary);
    filter: drop-shadow(0 0 10px rgba(182, 255, 46, 0.6));
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    align-items: center;
}

.navbar-menu a {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: var(--text-sm);
    position: relative;
    letter-spacing: 0.01em;
}

.navbar-menu a:not(.btn):hover,
.navbar-menu a:not(.btn).active {
    color: var(--color-primary);
}

.navbar-menu a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary);
    transition: var(--transition-base);
}

.navbar-menu a:not(.btn):hover::after,
.navbar-menu a:not(.btn).active::after {
    width: 100%;
}

.navbar-menu .btn {
    text-decoration: none !important;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-2xl);
    cursor: pointer;
    color: var(--color-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    border: 1px solid transparent;
    text-decoration: none !important;
    letter-spacing: 0.01em;
}

/* Primary Button: Electric Lime Spark with dark crisp text */
.btn-primary,
.btn-primary:visited {
    background-color: var(--color-primary) !important;
    color: #14171A !important;
    box-shadow: 0 4px 16px rgba(182, 255, 46, 0.25);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: #C6FF54 !important;
    color: #14171A !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Secondary Button: Sleek Graphite */
.btn-secondary {
    background-color: var(--color-secondary);
    color: #FFFFFF !important;
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-light);
    color: #FFFFFF !important;
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Outline Button: Glowing Lime Border */
.btn-outline {
    background-color: transparent;
    border: 1.5px solid var(--color-primary);
    color: var(--color-primary) !important;
}

.btn-outline:hover,
.btn-outline:focus {
    background-color: var(--color-primary) !important;
    color: #14171A !important;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-lg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--space-24);
    padding-bottom: var(--space-16);
    background: radial-gradient(circle at top right, rgba(182, 255, 46, 0.08) 0%, transparent 60%),
                radial-gradient(circle at bottom left, rgba(35, 38, 47, 0.8) 0%, transparent 70%),
                var(--color-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(182, 255, 46, 0.12) 0%, transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-text h1 {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-6);
    color: #FFFFFF;
    line-height: 1.08;
}

.hero-text h1 span {
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(182, 255, 46, 0.35);
}

.hero-text p {
    font-size: var(--text-xl);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    max-width: 580px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

/* Services / Features Section */
.services-section {
    padding: var(--space-24) 0;
    background-color: var(--color-dark-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header h2 {
    margin-bottom: var(--space-4);
    color: #FFFFFF;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 650px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-6px);
    background-color: var(--color-surface-elevated);
    border-color: var(--color-border-glow);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(182, 255, 46, 0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: var(--text-4xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.service-card h3 {
    margin-bottom: var(--space-3);
    color: #FFFFFF;
    font-size: var(--text-2xl);
}

.service-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.service-price {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--color-primary);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text-main);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: #FFFFFF;
    transition: var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(182, 255, 46, 0.15);
    background-color: var(--color-secondary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #646B7C;
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

/* Cards */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-section h4 {
    margin-bottom: var(--space-4);
    color: #FFFFFF;
    font-size: var(--text-lg);
    font-family: var(--font-display);
}

.footer-section p,
.footer-section a {
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
    display: block;
    font-size: var(--text-sm);
    line-height: 1.8;
}

.footer-section a:hover {
    color: var(--color-primary);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-8);
    text-align: center;
    color: #646B7C;
    font-size: var(--text-sm);
}

.social-links {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.social-links a {
    width: 42px;
    height: 42px;
    background-color: var(--color-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-primary-text);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

/* Floating WhatsApp Button */
.btn-whatsapp {
    background-color: #25D366;
    color: white;
    border: none;
    border-radius: 50%;
    width: 58px;
    height: 58px;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--space-8);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }
    
    .navbar-menu.active {
        left: 0;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .hero-text h1 {
        font-size: var(--text-4xl);
    }
    
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    h3 { font-size: var(--text-2xl); }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-text-muted); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }