/* ========================================
   Travelsup B2B Landing Page Styles
   Optimized for AWS S3 Deployment
======================================== */

/* CSS Custom Properties */
:root {
    --primary-color: #FF8C00;
    --primary-dark: #e67e00;
    --primary-light: #ffb84d;
    --secondary-color: #2C3E50;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Border Radius */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.display-1 { font-size: 5rem; }
.display-2 { font-size: 4.5rem; }
.display-3 { font-size: 4rem; }
.display-4 { font-size: 3.5rem; }
.display-5 { font-size: 3rem; }
.display-6 { font-size: 2.5rem; }

.lead {
    font-size: 1.25rem;
    font-weight: 400;
}

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

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

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

/* ========================================
   Loading Spinner
======================================== */
#spinner {
    z-index: 9999;
    transition: opacity 0.5s ease;
}

#spinner.show {
    opacity: 1;
}

#spinner:not(.show) {
    opacity: 0;
    pointer-events: none;
}

.spinner-border {
    color: var(--primary-color) !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    aspect-ratio: 1 / 1 !important;
}

/* ========================================
   Top Bar
======================================== */
.topbar {
    background-color: var(--gray-100) !important;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.875rem;
}

.topbar a {
    color: var(--gray-600) !important;
    transition: var(--transition-fast);
}

.topbar a:hover {
    color: var(--primary-color) !important;
}

.language-select {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.language-select:hover {
    background-color: var(--gray-200);
    text-decoration: none;
}

/* ========================================
   Navigation
======================================== */
.navbar {
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.sticky-top {
    backdrop-filter: blur(10px);
    background-color: rgba(236, 236, 236, 0.95) !important;
}

.navbar-brand {
    transition: var(--transition-fast);
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--gray-700) !important;
    position: relative;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
}

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

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

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

/* ========================================
   Buttons
======================================== */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

.btn-light {
    background-color: var(--white);
    border-color: var(--white);
    color: var(--gray-800);
}

.btn-light:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline-light {
    color: var(--white);
    border-color: var(--white);
    background-color: transparent;
}

.btn-outline-light:hover {
    background-color: var(--white);
    border-color: var(--white);
    color: var(--gray-800);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-instagram {
    background-color: #E4405F;
    color: var(--white);
    border: none;
}

.btn-instagram:hover {
    background-color: #d73447;
    color: var(--white);
}

.btn-linkedin {
    background-color: #0077B5;
    color: var(--white);
    border: none;
}

.btn-linkedin:hover {
    background-color: #005582;
    color: var(--white);
}

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

.hero-slide {
    position: relative;
    min-height: 75vh;
    max-height: 750px;
    max-width: 80%;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='m36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.1;
    z-index: 1;
}

.hero-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 90vw;
    text-align: center;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.4);
    padding: 0 1rem;
}

.hero-visual {
    position: relative;
    z-index: 3;
}

.hero-icon-container {
    padding: 2rem;
    animation: float 3s ease-in-out infinite;
}

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

.hero-stats h3 {
    color: #1a374d;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero-stats p {
    color: #1a374d;
    margin-bottom: 0;
}

/* Carousel Indicators */
.carousel-indicators {
    bottom: 3rem;
    z-index: 4;
}

.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background-color: transparent;
}

.carousel-indicators .active {
    background-color: var(--white);
    border-color: var(--white);
}

/* Carousel Controls */
.carousel-control-prev,
.carousel-control-next {
    width: 5%;
    z-index: 4;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 2rem;
    height: 2rem;
}
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
}

.animate-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -15px, 0);
    }
    70% {
        transform: translate3d(0, -7px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

/* ========================================
   Background Utilities
======================================== */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, #2C3E50 0%, #34495e 100%);
}

.bg-gradient-tertiary {
    background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
}

.bg-light {
    background-color: var(--gray-100) !important;
}

/* ========================================
   Service Cards
======================================== */
.service-card {
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

/* ========================================
   About Section
======================================== */
.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.feature-icon:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ========================================
   Contact Section
======================================== */
.contact-form {
    max-width: 100%;
    padding: 2rem !important;
    margin: 0 auto;
    border: 1px solid var(--gray-200);
}

.contact-item {
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}
.contact-form .form-control,
.contact-form .form-select,
.contact-form textarea {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
}

.contact-form label,
.contact-form h4 {
    font-size: 0.9rem;
}

.contact-form .btn {
    font-size: 0.85rem;
    padding: 0.75rem 1.25rem;
}
.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Styles */
.form-control {
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
}

.form-select {
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 140, 0, 0.25);
}

/* Validation States */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success-color);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger-color);
}

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

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

footer a:hover {
    color: var(--primary-color) !important;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* ========================================
   Back to Top Button
======================================== */
.back-to-top {
    position: fixed !important;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 50px !important;
    height: 50px !important;
    background-color: var(--primary-color) !important;
    border: none !important;
    color: #fff !important;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 50% !important;
    padding: 0 !important;
    line-height: 1 !important;
}

.back-to-top.show {
    opacity: 1 !important;
    visibility: visible !important;
}

.back-to-top:hover {
    background-color: var(--primary-dark, #0056b3) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2) !important;
}

.back-to-top i {
    font-size: 18px !important;
    width: 18px !important;
    height: 18px !important;
}
/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1200px) {
    .display-4 { font-size: 3rem; }
    .display-5 { font-size: 2.5rem; }
    .display-6 { font-size: 2rem; }
}

@media (max-width: 992px) {
    .hero-section {
        padding: 2rem 0;
        background-color: #f8f9fa;
        display: flex;
        justify-content: center;
        overflow: hidden;
    }

    .hero-stats {
        margin-top: 2rem;
    }

    .display-4 { font-size: 2.5rem; }
    .display-5 { font-size: 2rem; }
    .display-6 { font-size: 1.75rem; }

    .navbar-nav .nav-link {
        margin: 0;
        padding: 0.75rem 1rem !important;
    }

    .service-card {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-stats h3 {
        font-size: 1.5rem;
    }

    .display-4 { font-size: 2rem; }
    .display-5 { font-size: 1.75rem; }
    .display-6 { font-size: 1.5rem; }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .contact-item {
        margin-bottom: 1rem;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        padding: 0;
    }
}

@media (max-width: 576px) {
    .topbar {
        display: none !important;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-stats {
        text-align: center;
    }
    
    .hero-stats .col-4 {
        margin-bottom: 1rem;
    }
    
    .display-4 { font-size: 1.75rem; }
    .display-5 { font-size: 1.5rem; }
    .display-6 { font-size: 1.25rem; }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .d-flex.flex-sm-row {
        flex-direction: column !important;
    }
    
    .service-card,
    .contact-item {
        text-align: center;
    }
    
    .feature-icon,
    .contact-icon {
        margin: 0 auto 1rem;
    }
    
    .contact-form {
        max-width: 100%;
        padding: 1rem !important;
    }
}

/* ========================================
   Accessibility
======================================== */
@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;
    }
    
    .animate-bounce {
        animation: none;
    }
}

/* Focus States */
.btn:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --secondary-color: #000000;
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
    }
    
    .btn {
        border-width: 3px;
    }
    
    .form-control,
    .form-select {
        border-width: 3px;
    }
}

/* Print Styles */
@media print {
    .topbar,
    .navbar,
    .back-to-top,
    .scroll-indicator,
    #spinner {
        display: none !important;
    }
    
    .hero-section {
        background: white !important;
        color: black !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline !important;
    }
    
    .btn {
        border: 2px solid black !important;
        background: white !important;
        color: black !important;
    }
}

/* Performance Optimizations */
.service-card,
.contact-item,
.btn,
.navbar-nav .nav-link {
    will-change: transform;
}

/* Smooth scrolling for supported browsers */
@supports (scroll-behavior: smooth) {
    html {
        scroll-behavior: smooth;
    }
}
.carousel-item:nth-child(1) .hero-image-placeholder {
    background-image: url('../images/hero-slide-1.jpg');
}

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

footer h5[data-key="services"] {
    color: var(--primary-color) !important;
}
footer h5[data-key="contact_info"] {
    color: var(--primary-color) !important;
}
footer h5[data-key="company"] {
    color: var(--primary-color) !important;
}
.hero-title-orange {
    color: var(--primary-color) !important;
}

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


html, body {
    max-width: 100%;
    overflow-x: hidden;
}

.container,
.row,
.col {
    word-wrap: break-word;
}


@media (max-width: 576px) {
    .d-flex.flex-sm-row {
        flex-direction: column !important;
    }
}


@media (max-width: 576px) {
    .px-5, .py-5, .my-5 {
        padding: 1rem !important;
        margin: 1rem !important;
    }
}


@media (max-width: 576px) {
    .col-4, .col-6, .col-3, .col-5 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
}


@media (max-width: 768px) {
    .navbar-collapse {
        background-color: white;
        padding: 1rem;
    }
}


.hero-image-placeholder {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}


@media (max-width: 576px) {
    .hero-slide {
        min-height: auto;
        padding: 2rem 0;
    }
}


@media (max-width: 768px) {
    .about-image img {
        margin-left: 0 !important;
        margin-right: 0 !important;
        display: block;
        margin: 0 auto;
        max-width: 100%;
        height: auto;
    }

    #about .row {
        flex-direction: column !important;
        overflow-x: hidden;
    }
}
@media (max-width: 576px) {
    .feature-icon {
        width: 60px;
        height: 60px;
        min-width: 60px;
        min-height: 60px;
        border-radius: 50%;
        background-color: #f8f9fa;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        display: flex;
        justify-content: center;
        align-items: center;
        margin-right: 1rem;
        flex-shrink: 0;
    }

    .d-flex.align-items-center {
        display: flex;
        align-items: center;
        flex-wrap: nowrap;
        gap: 0.5rem;
    }

    .d-flex.align-items-center > div:last-child {
        flex: 1;
        min-width: 0;
    }
}

@media (max-width: 576px) {
    #helpForm .form-control,
    #helpForm .form-select,
    #helpForm textarea {
        margin-bottom: 1rem;
    }

    #helpForm {
        padding: 0.5rem;
    }
}
@media (max-width: 768px) {
    #helpForm {
        padding: 0 1rem;
    }

    #helpForm .form-control,
    #helpForm .form-select,
    #helpForm textarea {
        width: 100%;
    }
}