/* GATClone Consulting - Modern Dark Professional Design */

:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #12182b;
    --bg-tertiary: #1a2238;
    --bg-card: #1e2742;
    --bg-hover: #252e4a;

    /* Accent Colors */
    --accent-primary: #00d4ff;
    --accent-secondary: #0ea5e9;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --accent-purple: #a855f7;

    /* Text Colors */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

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

    /* Borders & Shadows */
    --border-color: rgba(148, 163, 184, 0.1);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Courier New', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* Animated background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-secondary);
    min-height: 100vh;
    box-shadow: 0 0 100px rgba(0, 0, 0, 0.8);
    position: relative;
}

/* Header Styles */
header {
    background: var(--bg-tertiary);
    padding: 24px 60px;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.logo {
    color: var(--text-primary);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -1px;
    margin: 0;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

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

.language-selector {
    flex-shrink: 0;
}

#languageDropdown {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

#languageDropdown:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
    box-shadow: var(--shadow-glow);
}

#languageDropdown:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Navigation */
nav ul {
    list-style: none;
    display: flex;
    gap: 12px;
}

nav ul li a {
    display: inline-block;
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    overflow: hidden;
}

nav ul li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

nav ul li a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

nav ul li a.active {
    color: var(--bg-primary);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
    box-shadow: var(--shadow-glow);
}

nav ul li a.active::before {
    opacity: 1;
}

/* Main Content */
main {
    padding: 80px 60px;
    min-height: calc(100vh - 200px);
}

h2 {
    color: var(--text-primary);
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 40px;
    letter-spacing: -1.5px;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-purple));
    border-radius: 2px;
}

h3 {
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 600;
    margin-top: 60px;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

h4 {
    color: var(--accent-primary);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

p {
    margin-bottom: 24px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 17px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    padding: 80px 60px;
    border-radius: 20px;
    margin-bottom: 60px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.5; }
}

.hero h2 {
    font-size: 56px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h2::after {
    display: none;
}

.hero p {
    font-size: 22px;
    color: var(--text-secondary);
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* Service Boxes */
.service-boxes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.service-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-glow), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-box:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--accent-primary);
}

.service-box:hover::before {
    opacity: 1;
}

.service-box h4 {
    margin-top: 0;
    font-size: 22px;
    position: relative;
    z-index: 1;
}

.service-box p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

/* CTA Link */
.cta {
    text-align: center;
    margin-top: 50px;
}

.cta a {
    color: var(--accent-primary);
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    border-radius: 12px;
    border: 2px solid var(--accent-primary);
    background: transparent;
}

.cta a:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
}

/* Services Detail */
.services-detail ul {
    margin-left: 0;
    margin-bottom: 40px;
    list-style: none;
}

.services-detail ul li {
    margin-bottom: 16px;
    padding-left: 40px;
    position: relative;
    color: var(--text-secondary);
    font-size: 17px;
    transition: all 0.2s ease;
}

.services-detail ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 20px;
    font-weight: bold;
}

.services-detail ul li:hover {
    color: var(--text-primary);
    padding-left: 45px;
}

/* Contact Form */
.encryption-notice {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
    padding: 20px 28px;
    border-radius: 12px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.encryption-notice p {
    margin: 0;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 16px;
}

.form-group {
    margin-bottom: 32px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-size: 16px;
}

.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-hover);
}

.form-group textarea {
    resize: vertical;
    min-height: 180px;
    font-family: var(--font-mono);
}

.char-counter {
    text-align: right;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
    font-weight: 500;
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 14px;
    margin-top: 8px;
    font-weight: 500;
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
    padding: 24px 32px;
    border-radius: 12px;
    margin-top: 30px;
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-weight: 500;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 16px 40px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-primary);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background: var(--bg-hover);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

#fileInfo {
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: 12px;
    font-size: 15px;
    display: none;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

#fileInfo.show {
    display: block;
}

#fileInfo strong {
    color: var(--accent-primary);
}

/* FAQ Styles */
.faq-item {
    margin-bottom: 28px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent-primary);
    transform: translateX(8px);
}

.faq-item h3 {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 22px;
}

.faq-item p {
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.8;
}

/* Footer */
footer {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
    margin-top: 80px;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .service-boxes {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        box-shadow: none;
    }

    header {
        padding: 20px 30px;
    }

    main {
        padding: 40px 30px;
    }

    .hero {
        padding: 50px 40px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .service-boxes {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    h2 {
        font-size: 36px;
    }

    nav ul {
        flex-direction: column;
        gap: 8px;
    }

    nav ul li a {
        display: block;
        text-align: center;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 6px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}