/* =========================================
   CodeFrog Custom Styles - Premium Edition
   Modern, sophisticated, 2025-ready
   ========================================= */

/* Root Variables */
:root {
    /* Brand Colors */
    --color-primary: #28a745;
    --color-primary-dark: #218838;
    --color-primary-light: #48d966;
    --color-orange: #ff6b35;
    --color-orange-dark: #e85a28;
    --color-orange-light: #ff8555;
    --color-dark: #2c2c2c;
    --color-gray: #6c757d;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #28a745 0%, #48d966 100%);
    --gradient-orange: linear-gradient(135deg, #ff6b35 0%, #ff8555 100%);
    --gradient-dark: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    --gradient-hero: linear-gradient(135deg, rgba(40, 167, 69, 0.03) 0%, rgba(255, 107, 53, 0.03) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 15px 50px rgba(0, 0, 0, 0.2);
    --shadow-primary: 0 8px 25px rgba(40, 167, 69, 0.25);
    --shadow-orange: 0 8px 25px rgba(255, 107, 53, 0.25);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
}

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1, .display-4, .display-5 {
    font-weight: 700;
    letter-spacing: -0.03em;
}

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-gray);
}

/* Custom Color Classes */
.text-orange {
    color: var(--color-orange) !important;
}

.bg-orange {
    background-color: var(--color-orange) !important;
}

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

.bg-primary {
    background-color: var(--color-primary) !important;
}

/* Navigation - Enhanced */
.navbar {
    padding: 1rem 0;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.navbar.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--color-dark);
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-smooth);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 60%;
}

.navbar-nav .nav-link:hover {
    color: var(--color-primary);
}

.navbar-nav .nav-link.active {
    color: var(--color-primary);
}

.navbar-nav .nav-link.active::after {
    width: 60%;
}

.navbar-nav .nav-link.btn {
    border-radius: var(--radius-full);
    padding: 0.5rem 1.5rem;
}

.navbar-nav .nav-link.btn::after {
    display: none;
}

.navbar-nav .nav-link.btn:hover {
    background-color: var(--color-primary);
    opacity: 0.9;
    color: var(--color-white) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* Buttons - Premium */
.btn {
    font-weight: 500;
    padding: 0.875rem 2.5rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-smooth);
    border: none;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    outline: none !important;
    box-shadow: none !important;
}

.btn:focus,
.btn:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white) !important;
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--color-primary-dark);
    color: var(--color-white) !important;
    border-color: transparent;
}

.btn-primary:focus,
.btn-primary:focus-visible {
    background: var(--color-primary);
    color: var(--color-white) !important;
    outline: none !important;
    box-shadow: none !important;
}

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

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

.btn-outline-primary:focus,
.btn-outline-primary:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

.btn-dark {
    background: var(--color-dark);
    color: var(--color-white) !important;
    border: 2px solid transparent;
}

.btn-dark:hover {
    transform: translateY(-2px);
    background: #1a1a1a;
    color: var(--color-white) !important;
}

.btn-dark:focus,
.btn-dark:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

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

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

.btn-outline-dark:focus,
.btn-outline-dark:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

.btn-lg {
    padding: 1.125rem 3rem;
    font-size: 1.1rem;
}

.btn-orange {
    background: var(--color-orange);
    color: var(--color-white) !important;
    border: 2px solid transparent;
}

.btn-orange:hover {
    transform: translateY(-2px);
    background: var(--color-orange-dark);
    color: var(--color-white) !important;
}

.btn-orange:focus,
.btn-orange:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

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

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

.btn-outline-orange:focus,
.btn-outline-orange:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

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

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(40, 167, 69, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

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

.hero-section h1 {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-section .lead {
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-section .d-flex {
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, 30px) scale(1.1); }
}

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

.hero-visual .placeholder-visual {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(40, 167, 69, 0.2);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.05) 0%, rgba(255, 107, 53, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero-visual .placeholder-visual::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(40, 167, 69, 0.03) 10px,
        rgba(40, 167, 69, 0.03) 20px
    );
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Value Cards - Enhanced */
.value-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(40, 167, 69, 0.2);
}

/* Service Preview Cards - Premium */
.service-preview-card {
    transition: all var(--transition-smooth);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.service-preview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    transition: height var(--transition-smooth);
}

.service-preview-card:hover::before {
    height: 100%;
}

.service-preview-card:hover {
    border-color: var(--color-primary) !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    background-color: rgba(40, 167, 69, 0.02);
}

.service-preview-card a {
    transition: all var(--transition-fast);
}

.service-preview-card:hover a {
    transform: translateX(5px);
    display: inline-block;
}

/* Page Headers - Elevated */
.page-header {
    background: var(--gradient-light);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(40, 167, 69, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

/* Sections - Enhanced */
section {
    position: relative;
}

.bg-light {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%) !important;
}

/* Case Study Cards */
.case-study-visual {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.08) 0%, rgba(255, 107, 53, 0.08) 100%);
    border: 2px dashed rgba(0, 0, 0, 0.1);
    transition: all var(--transition-smooth);
}

.case-study-visual:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.case-study-content {
    animation: fadeInUp 0.6s ease;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Testimonial Cards - Premium */
.testimonial-card {
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: all var(--transition-smooth);
    border-radius: var(--radius-md);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

/* Process Steps - Enhanced */
.process-step {
    position: relative;
    animation: fadeInUp 0.6s ease;
}

.step-number {
    color: var(--color-primary);
    opacity: 0.15;
    font-size: 5rem;
    line-height: 1;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Contact Form - Premium */
.contact-form-wrapper {
    background-color: var(--color-white);
}

.form-control,
.form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    padding: 0.875rem 1.125rem;
    transition: all var(--transition-fast);
    background-color: #fafbfc;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.1);
    background-color: var(--color-white);
    transform: translateY(-2px);
}

.form-label {
    margin-bottom: 0.5rem;
    color: var(--color-dark);
    font-weight: 500;
}

/* FAQ Items */
.faq-item {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e9ecef;
    transition: all var(--transition-fast);
}

.faq-item:hover {
    padding-left: 1rem;
}

.faq-item:last-child {
    border-bottom: none;
}

/* Footer - Enhanced */
footer {
    background: var(--gradient-dark) !important;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(40, 167, 69, 0.5), transparent);
}

footer a {
    transition: all var(--transition-fast);
}

footer a:hover {
    color: var(--color-primary) !important;
    text-decoration: none;
    transform: translateX(3px);
    display: inline-block;
}

/* Utility Classes */
.border-bottom {
    border-bottom: 1px solid #e9ecef !important;
}

/* Stats/Counters */
.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Hover Glow Effect */
.glow-on-hover {
    transition: all var(--transition-smooth);
}

.glow-on-hover:hover {
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.4);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .navbar-nav {
        margin-top: 1rem;
        background: var(--color-white);
        padding: 1rem;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 0;
    }
    
    .navbar-nav .nav-link::after {
        display: none;
    }
    
    .navbar-nav .nav-link.btn {
        margin-top: 1rem;
        text-align: center;
    }
    
    .hero-section {
        text-align: center;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .step-number {
        font-size: 3.5rem;
    }
}

@media (max-width: 767px) {
    h1, .display-4, .display-5 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 0.75rem 1.75rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

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

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

::-moz-selection {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-light);
}

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

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

/* Accessibility */
.form-control:focus,
.form-select:focus {
    outline: none !important;
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

a.btn:focus-visible {
    outline: none !important;
}

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

/* Performance - Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}