/* ===================================
   IdentityFirst Ltd - Professional Dark Theme
   Enterprise Cybersecurity Design System
   =================================== */

:root {
    /* Color Palette */
    --primary-dark: #0a0a0a;
    --secondary-dark: #1a1a1a;
    --tertiary-dark: #2a2a2a;
    --accent-dark: #3a3a3a;

    /* Brand Colors - IdentityFirst Premium Theme */
    --gold: #d4af37;           /* Primary brand gold */
    --gold-light: #f4d03f;     /* Lighter gold for highlights */
    --gold-dark: #b8941f;      /* Darker gold for depth */
    --bronze: #cd7f32;         /* Secondary brand bronze */
    --bronze-light: #e89b4e;   /* Lighter bronze */
    --bronze-hover: #b86f2a;   /* Bronze hover state */
    --bronze-dark: #8b5a1e;    /* Darker bronze */

    /* Cybersecurity Accent Colors */
    --cyber-blue: #00d4ff;
    --cyber-teal: #00ffcc;
    --cyber-purple: #9d4edd;
    --cyber-green: #00ff41;
    --cyber-red: #ff0040;

    /* Dark Theme Base */
    --cyber-dark: #0a0a0a;
    --cyber-darker: #050505;
    --text-accent: #d4af37;    /* Gold accent for text */

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #f0f0f0;
    --text-muted: #b0b0b0;
    --text-light: #e0e0e0;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;

    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--primary-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--bronze) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--gold);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--bronze);
}

h4 {
    font-size: 1.25rem;
    color: var(--gold);
}

h5 {
    font-size: 1.125rem;
    color: var(--bronze);
}

h6 {
    font-size: 1rem;
    color: var(--text-secondary);
}

p {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-muted);
}

a {
    color: var(--gold);
    text-decoration: none;
    transition: var(--transition-normal);
}

a:hover {
    color: var(--bronze-hover);
}

/* Layout Components */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.flex {
    display: flex;
}

.grid {
    display: grid;
}

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);  /* Gold border */
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    min-height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.nav-logo:hover {
    color: var(--gold);
}

.nav-logo i {
    color: var(--bronze);
    font-size: 1.8rem;
}

/* Logo Image Support */
.nav-logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}

.nav-logo-img:hover {
    filter: brightness(1.2);
}

/* Logo with text variant */
.nav-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gold) 0%, var(--bronze) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer Logo */
.footer-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    transition: var(--transition-normal);
}

.footer-logo:hover {
    opacity: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);  /* Gold background */
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--bronze));  /* Gold to bronze gradient */
    transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--bronze) 100%);
    color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    font-weight: 700;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--bronze-light) 100%);
}

.btn-secondary {
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gold);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border: 2px solid var(--text-muted);
}

.btn-outline:hover:not(:disabled) {
    background: var(--text-muted);
    color: var(--primary-dark);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);  /* Gold radial glow */
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero .tagline {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--gold);
    margin: var(--spacing-lg) 0 var(--spacing-xl) 0;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Trust Indicators */
.trust-indicators {
    margin-top: var(--spacing-xl);
}

.trust-indicators p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.trust-indicators i {
    color: var(--gold);
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
}

.section.bg-secondary {
    background: var(--secondary-dark);
}

/* Feature Cards */
.feature-card {
    background: var(--tertiary-dark);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(212, 175, 55, 0.2);  /* Gold border */
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--bronze));  /* Gold to bronze gradient */
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--gold);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--gold), var(--bronze));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

/* Grid Layouts */
.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gap-4 {
    gap: var(--spacing-lg);
}

.gap-6 {
    gap: var(--spacing-xl);
}

.gap-8 {
    gap: var(--spacing-2xl);
}

/* Spacing Utilities */
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-6 { margin-bottom: var(--spacing-xl); }
.mb-8 { margin-bottom: var(--spacing-2xl); }

.mt-2 { margin-top: var(--spacing-sm); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-6 { margin-top: var(--spacing-xl); }
.mt-8 { margin-top: var(--spacing-2xl); }

.p-4 { padding: var(--spacing-lg); }
.p-6 { padding: var(--spacing-xl); }
.p-8 { padding: var(--spacing-2xl); }

/* Text Alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Form Styles */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--secondary-dark);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(212, 175, 55, 0.2);  /* Gold border */
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--gold);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--tertiary-dark);
    border: 1px solid rgba(212, 175, 55, 0.3);  /* Gold border */
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);  /* Gold focus shadow */
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--primary-dark);
    border-top: 1px solid rgba(212, 175, 55, 0.2);  /* Gold border */
    padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--gold);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.footer-section a:hover {
    color: var(--bronze);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tertiary-dark);
    border-radius: 50%;
    border: 1px solid rgba(212, 175, 55, 0.3);  /* Gold border */
    transition: var(--transition-normal);
    font-size: 1.2rem;
    color: var(--text-muted);
}

.social-icon:hover {
    background: var(--gold);
    color: var(--primary-dark);
    transform: translateY(-3px);
    border-color: var(--gold-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(212, 175, 55, 0.1);  /* Gold border */
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom a {
    color: var(--text-muted);
    margin: 0 var(--spacing-sm);
}

.footer-bottom a:hover {
    color: var(--gold);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        min-height: 60vh;
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .container {
        padding: 0 var(--spacing-md);
        text-align: center;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .trust-indicators p {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--spacing-md);
    }

    .hero-content {
        padding: 0 var(--spacing-md);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .form-container {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .nav,
    .footer,
    .btn {
        display: none !important;
    }

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

    h1, h2, h3, h4, h5, h6 {
        color: black !important;
        -webkit-text-fill-color: black !important;
    }

.feature-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
}

/* Feature list utility */
.feature-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.feature-list i {
    color: var(--success);
    font-size: 0.85rem;
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.social-icon:focus {
    outline: 2px solid var(--gold);  /* Gold focus outline */
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --gold: #ffff00;           /* Bright yellow gold for high contrast */
        --gold-light: #ffff99;
        --bronze: #ffd700;         /* Bright golden for high contrast */
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --primary-dark: #000000;
        --secondary-dark: #1a1a1a;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}