/**
 * IFS Elevate - Custom Styles
 * Theme: Blue + Charcoal + Orange Accent
 * Mobile-First, WCAG 2.1 AA Compliant
 */

/* ==========================================
   CSS Variables / Theme Colors
   ========================================== */
:root {
    /* Primary Colors */
    --color-primary: #1a5276;
    --color-primary-dark: #0d3d56;
    --color-primary-light: #2471a3;
    
    /* Secondary / Charcoal */
    --color-secondary: #2c3e50;
    --color-secondary-dark: #1a252f;
    --color-secondary-light: #34495e;
    
    /* Accent / Orange */
    --color-accent: #e67e22;
    --color-accent-dark: #d35400;
    --color-accent-light: #f39c12;
    
    /* Neutral */
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-black: #000000;
    
    /* Status Colors */
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    --color-info: #3498db;
    
    /* Typography */
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Segoe UI Semibold', 'Segoe UI', sans-serif;
    
    /* Spacing */
    --section-padding: 5rem;
    --container-max-width: 1320px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

/* Dark Mode Variables */
[data-bs-theme="dark"] {
    --color-white: #1a1a2e;
    --color-light: #16213e;
    --color-gray-100: #1a1a2e;
    --color-gray-200: #0f3460;
    --color-gray-900: #e9ecef;
    --color-gray-800: #f1f3f5;
}

/* ==========================================
   Base Styles
   ========================================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-800);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-secondary);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

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

/* ==========================================
   Bootstrap Overrides
   ========================================== */
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
}

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

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

/* ==========================================
   Navigation
   ========================================== */
#mainNav {
    transition: all var(--transition-base);
    padding: 0.75rem 0;
}

#mainNav.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

#mainNav .nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color var(--transition-fast);
}

#mainNav .nav-link:hover,
#mainNav .nav-link.active {
    color: var(--color-primary);
}

#mainNav .dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
}

#theme-toggle {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-slide {
    min-height: 80vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 82, 118, 0.9) 0%, rgba(44, 62, 80, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-white);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator a {
    color: var(--color-white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Animation Classes */
.animate-fade-up {
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

/* ==========================================
   Trust Section
   ========================================== */
.trust-section {
    border-bottom: 1px solid var(--color-gray-200);
}

.trust-item {
    padding: 1rem;
}

.trust-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.trust-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================
   Section Headers
   ========================================== */
.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   Service Cards
   ========================================== */
.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.service-icon i {
    font-size: 2.5rem;
    color: #ffffff;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-desc {
    color: var(--color-gray-600);
    margin-bottom: 1rem;
}

.service-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.service-link:hover i {
    transform: translateX(5px);
}

.service-link i {
    transition: transform var(--transition-fast);
}

/* ==========================================
   Pain-Solution Section
   ========================================== */
.pain-points-list {
    list-style: none;
    padding: 0;
}

.pain-points-list li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
}

.solution-box {
    position: relative;
}

.solution-box::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 30px;
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 20px solid var(--color-white);
}

.text-white-50 {
    color: rgba(255, 255, 255, 0.5) !important;
}

.text-white-75 {
    color: rgba(255, 255, 255, 0.75) !important;
}

/* Pain-Solution Section */
.pain-solution-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
}

.pain-solution-section h2,
.pain-solution-section p,
.pain-solution-section li {
    color: #ffffff !important;
}

.pain-points-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.pain-points-list li {
    padding: 0.5rem 0;
    font-size: 1.05rem;
    color: #ffffff !important;
}

/* ==========================================
   Testimonials
   ========================================== */
.testimonial-card {
    padding: 2rem;
}

.testimonial-quote {
    color: var(--color-primary);
    opacity: 0.3;
    font-size: 4rem;
    line-height: 1;
    margin-bottom: -1rem;
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-gray-700);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonial-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.testimonial-info {
    text-align: left;
}

.testimonial-info span {
    display: block;
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* ==========================================
   Contact Form
   ========================================== */
.contact-form-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.form-title {
    color: var(--color-secondary);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(26, 82, 118, 0.25);
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--color-white);
    font-size: 1.25rem;
}

.contact-details .contact-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.contact-details a {
    font-weight: 600;
    font-size: 1.1rem;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--color-secondary-dark);
}

.footer-title {
    font-size: 1.125rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-accent);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--color-gray-400);
}

.footer-contact a {
    color: var(--color-gray-400);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-bottom-links a {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

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

/* ==========================================
   Floating CTA & Back to Top
   ========================================== */
.floating-cta {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.floating-cta:hover {
    background: var(--color-accent-dark);
    color: var(--color-white);
    transform: scale(1.1);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(230, 126, 34, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(230, 126, 34, 0); }
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: all var(--transition-base);
}

.back-to-top.show {
    display: flex;
    opacity: 1;
}

/* ==========================================
   FAQ Accordion
   ========================================== */
.accordion-button:not(.collapsed) {
    background-color: rgba(26, 82, 118, 0.1);
    color: var(--color-primary);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(26, 82, 118, 0.25);
}

/* ==========================================
   Page Hero (Inner Pages)
   ========================================== */
.page-hero {
    padding: 4rem 0;
}

.page-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0;
}

/* ==========================================
   Proof Cards
   ========================================== */
.proof-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.proof-text {
    font-size: 1.1rem;
    color: var(--color-gray-700);
    margin-bottom: 0;
}

/* ==========================================
   Accessibility
   ========================================== */
.visually-hidden-focusable:not(:focus):not(:focus-within) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 991.98px) {
    .hero-slide {
        min-height: 70vh;
    }
    
    .floating-cta {
        bottom: 80px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 767.98px) {
    .hero-slide {
        min-height: 60vh;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .trust-number {
        font-size: 2rem;
    }
    
    .solution-box::before {
        display: none;
    }
}

/* ==========================================
   Dark Mode Styles
   ========================================== */
[data-bs-theme="dark"] body {
    background-color: var(--color-gray-100);
    color: var(--color-gray-800);
}

[data-bs-theme="dark"] .navbar {
    background-color: var(--color-light) !important;
}

[data-bs-theme="dark"] .service-card,
[data-bs-theme="dark"] .contact-form-wrapper,
[data-bs-theme="dark"] .proof-card {
    background-color: var(--color-light);
    border-color: var(--color-gray-200);
}

[data-bs-theme="dark"] .bg-light {
    background-color: var(--color-gray-200) !important;
}

[data-bs-theme="dark"] h1,
[data-bs-theme="dark"] h2,
[data-bs-theme="dark"] h3,
[data-bs-theme="dark"] h4,
[data-bs-theme="dark"] h5,
[data-bs-theme="dark"] h6 {
    color: var(--color-gray-800);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-800);
}