/* Custom CSS for SibylAI Website - Slate Theme */

:root {
    --primary-color: #64748b;
    --primary-light: #94a3b8;
    --primary-dark: #475569;
    --accent-color: #0ea5e9;
    --accent-dark: #0284c7;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --gradient-primary: linear-gradient(135deg, #64748b 0%, #475569 100%);
    --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

/* Global Styles */
body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--slate-700);
    background-color: var(--slate-50);
    padding-top: 76px;
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(15, 23, 42, 0.95) !important;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.2);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--slate-100) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s ease;
    color: var(--slate-300) !important;
}

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

/* Hero Section */
.hero-section {
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(100,116,139,0.1)" points="0,0 1000,300 1000,1000 0,700"/></svg>');
    background-size: cover;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-image {
    text-align: center;
    position: relative;
}

.ai-animation {
    display: inline-block;
    padding: 40px;
    background: rgba(100, 116, 139, 0.2);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(100, 116, 139, 0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.text-primary {
    color: var(--accent-color) !important;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-accent);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    background: transparent;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Background sections */
.bg-light {
    background-color: var(--slate-100) !important;
}

.bg-dark {
    background-color: #191D2B !important;
}

/* Cards */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 15px;
    background-color: white;
    border: 1px solid var(--slate-200);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(100, 116, 139, 0.2) !important;
    border-color: var(--primary-color);
}

.card-body {
    color: var(--slate-700);
}

.card-title {
    color: var(--slate-800);
}

/* Services Section */
.service-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid var(--slate-200);
    box-shadow: 0 2px 10px rgba(100, 116, 139, 0.1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(100, 116, 139, 0.15);
    border-color: var(--accent-color);
}

.service-card h5 {
    color: var(--slate-800);
}

.service-card p {
    color: var(--slate-600);
}

.service-icon i {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

/* Industry Cards */
.industry-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid var(--slate-200);
    box-shadow: 0 2px 10px rgba(100, 116, 139, 0.1);
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(100, 116, 139, 0.15);
    border-color: var(--accent-color);
}

.industry-card h5 {
    color: var(--slate-800);
}

.industry-card p {
    color: var(--slate-600);
}

.industry-card i {
    margin-bottom: 20px;
    color: var(--accent-color);
}

/* Section headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--slate-800);
}

.hero-section h1,
.hero-section h2,
.hero-section h3,
.hero-section h4,
.hero-section h5,
.hero-section h6 {
    color: white;
}

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5,
.bg-dark h6 {
    color: var(--slate-100);
}

.lead {
    color: var(--slate-600);
}

.hero-section .lead,
.bg-dark .lead {
    color: var(--slate-300);
}

/* Contact Form */
.contact-form .form-floating > .form-control,
.contact-form .form-floating > .form-select {
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid rgba(100, 116, 139, 0.3);
    color: var(--slate-100);
}

.contact-form .form-floating > .form-control:focus,
.contact-form .form-floating > .form-select:focus {
    background: rgba(100, 116, 139, 0.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(14, 165, 233, 0.25);
    color: var(--slate-100);
}

.contact-form .form-floating > .form-select option {
    background: var(--slate-800);
    color: var(--slate-100);
}

.contact-form .form-floating > label {
    color: var(--slate-400);
}

.contact-form .form-floating > .form-control:focus ~ label,
.contact-form .form-floating > .form-control:not(:placeholder-shown) ~ label,
.contact-form .form-floating > .form-select:focus ~ label,
.contact-form .form-floating > .form-select:not([value=""]) ~ label {
    color: var(--accent-color);
}

/* Footer */
footer {
    background: var(--slate-900) !important;
}

footer .text-muted {
    color: var(--slate-400) !important;
}

.social-links a {
    font-size: 1.5rem;
    transition: color 0.3s ease;
    color: var(--slate-400);
}

.social-links a:hover {
    color: var(--accent-color) !important;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }

    .hero-section .display-4 {
        font-size: 2.5rem;
    }

    .btn-lg {
        padding: 10px 25px;
        font-size: 1rem;
    }

    .d-flex.gap-3 {
        flex-direction: column;
        gap: 1rem !important;
    }
}

/* Animation for elements coming into view */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    animation: fadeInUp 0.8s ease-out;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--slate-200);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

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

/* Additional slate theme enhancements */
.navbar-toggler {
    border-color: var(--slate-600);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28203, 213, 225, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Icon colors */
.bi {
    color: var(--accent-color);
}

.navbar-brand .bi,
.hero-section .bi,
.bg-dark .bi {
    color: var(--accent-color);
}

/* Text colors for different sections */
section:not(.hero-section):not(.bg-dark) {
    color: var(--slate-700);
}

section:not(.hero-section):not(.bg-dark) .lead {
    color: var(--slate-600);
}

/* Enhanced button focus states */
.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(14, 165, 233, 0.25);
}

/* Improved contrast for accessibility */
.text-white {
    color: var(--slate-100) !important;
}