/*==========================================================
  OASIS BOLIVIA - MODERN DESIGN 2026
  Modern CSS overrides for updated travel agency design
  Inspired by: Aventour & Plexify themes
  Maintains: Bootstrap 4, PHP structure, existing content
==========================================================*/

/*==========================================================
  CSS VARIABLES - Modern Color Palette
==========================================================*/
:root {
    /* Primary Colors - Based on Bolivia landscapes */
    --primary-green: #6B9F4D;
    --primary-gold: #D4AF37;
    --primary-blue: #4A90E2;
    --primary-dark: #2C3E50;
    
    /* Secondary Colors */
    --secondary-light: #F8F9FA;
    --secondary-medium: #E9ECEF;
    --secondary-dark: #6C757D;
    
    /* Accent Colors */
    --accent-orange: #FF6B35;
    --accent-teal: #1ABC9C;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #212529;
    --gray-light: #F5F5F5;
    --gray-medium: #CCCCCC;
    --gray-dark: #495057;
    
    /* Overlay Colors */
    --overlay-dark: rgba(0, 0, 0, 0.5);
    --overlay-gradient: linear-gradient(135deg, rgba(107, 159, 77, 0.8) 0%, rgba(74, 144, 226, 0.7) 100%);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Lora', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
}

/*==========================================================
  GLOBAL STYLES & RESETS
==========================================================*/
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--black);
    font-weight: 400;
    overflow-x: hidden;
}

/* Typography Improvements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -1px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: all var(--transition-normal);
}

a:hover {
    color: var(--primary-green);
    text-decoration: none;
}

/* Modern Button Styles */
.btn {
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

/* Image Optimization */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/*==========================================================
  MODERN HEADER STYLES
==========================================================*/
header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--secondary-medium);
}

/* Top Bar with Language & Contact */
.top-phrase {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 10px 0;
    border: none;
    font-size: 14px;
}

.top-phrase a {
    color: var(--white);
    transition: opacity var(--transition-fast);
}

.top-phrase a:hover {
    opacity: 0.8;
    color: var(--white);
}

/* Header Block - Contact Info */
.header-block {
    padding: 12px 0;
}

.header-block span {
    border-left: 1px solid var(--secondary-medium);
    padding-left: 12px;
    padding-right: 12px;
    color: var(--gray-dark);
}

.header-block span:first-child {
    border-left: none;
    padding-left: 0;
}

.header-block span a {
    color: var(--primary-dark);
    font-weight: 500;
}

.header-block span a:hover {
    color: var(--primary-green);
}

.header-block span a i {
    color: var(--primary-green);
    margin-right: 5px;
}

/* Logo Area */
.h-logo {
    padding: 20px 0;
}

.h-logo img {
    max-height: 70px;
    transition: all var(--transition-normal);
}

/*==========================================================
  MODERN NAVIGATION
==========================================================*/
.navbar {
    padding: 0;
    background: transparent;
}

.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-item {
    margin: 0 8px;
}

.navbar-nav .nav-link {
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 15px;
    padding: 24px 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    transition: all var(--transition-normal);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 16px;
    right: 16px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

/* Dropdown Menus */
.navbar-nav .dropdown-menu {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 12px 0;
    margin-top: 0;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu .dropdown-item {
    padding: 10px 24px;
    color: var(--primary-dark);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.dropdown-menu .dropdown-item:hover {
    background: var(--primary-green);
    color: var(--white);
    padding-left: 32px;
}

/* Mobile Menu Toggle */
.navbar-toggler {
    border: 2px solid var(--primary-green);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.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(107, 159, 77, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/*==========================================================
  HERO SECTION / CAROUSEL MODERN DESIGN
==========================================================*/
.slideshow {
    position: relative;
    margin-top: 0;
}

.carousel-item {
    height: 100vh;
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

/* Modern Overlay */
.carousel-item .capa-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-gradient);
    z-index: 1;
}

/* Slide Caption - Modern Typography */
.slide-caption {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 2;
    text-align: left;
    padding: 0 15px;
}

.slide-caption hgroup {
    animation: fadeInUp 1s ease;
}

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

.slide-caption h1 {
    color: var(--white);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
}

.slide-caption h2 {
    color: var(--white);
    font-size: clamp(1.2rem, 2.5vw, 2rem);
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    opacity: 0.95;
}

.slide-caption .btn {
    margin-top: var(--spacing-md);
    padding: 18px 48px;
    font-size: 18px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Carousel Controls - Modern Design */
.carousel-control-prev,
.carousel-control-next {
    width: 60px;
    height: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: all var(--transition-normal);
}

.carousel:hover .carousel-control-prev,
.carousel:hover .carousel-control-next {
    opacity: 1;
}

.carousel-control-prev {
    left: 30px;
}

.carousel-control-next {
    right: 30px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

/* Carousel Indicators - Modern Dots */
.carousel-indicators {
    bottom: 40px;
}

.carousel-indicators li {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.5);
    border: none;
    margin: 0 6px;
    transition: all var(--transition-normal);
}

.carousel-indicators li.active {
    width: 40px;
    background: var(--white);
}

/*==========================================================
  BODY SECTIONS - MODERN SPACING
==========================================================*/
.body {
    background: var(--white);
}

section {
    padding: var(--spacing-xl) 0;
}

/*==========================================================
  TITLE SECTION - MODERN HEADINGS
==========================================================*/
.title-about {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    text-align: center;
}

.title-about h3 {
    color: var(--primary-dark);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.title-about h3::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-gold));
    border-radius: var(--radius-sm);
}

.title-about span {
    color: var(--primary-green);
    font-family: var(--font-secondary);
    font-style: italic;
    font-weight: 400;
}

.title-about p {
    font-size: 18px;
    color: var(--gray-dark);
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    line-height: 1.8;
}

/*==========================================================
  TOUR CATEGORIES - MODERN CARD DESIGN
==========================================================*/
.tourscat-home {
    padding: var(--spacing-xl) 0;
    background: var(--gray-light);
}

.tourscat-home h3 {
    color: var(--primary-dark);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.tourscat-home span {
    color: var(--primary-green);
    font-family: var(--font-secondary);
    font-style: italic;
}

.tourscat-home .row {
    margin-bottom: var(--spacing-md);
}

/* Modern Tour Category Cards */
.item-tourcat {
    display: block;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    margin-bottom: var(--spacing-md);
    height: 100%;
}

.item-tourcat:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.item-tourcat figure {
    position: relative;
    margin: 0;
    overflow: hidden;
    height: 280px;
}

.item-tourcat figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.item-tourcat:hover figure img {
    transform: scale(1.1);
}

.item-tourcat figure::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.7) 100%);
    opacity: 0.8;
    transition: opacity var(--transition-normal);
}

.item-tourcat:hover figure::after {
    opacity: 0.9;
}

.item-tourcat figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: translateY(0);
    transition: transform var(--transition-normal);
}

.item-tourcat:hover figcaption {
    transform: translateY(-5px);
}

.item-tourcat figcaption i {
    color: var(--primary-gold);
    margin-right: 10px;
    font-size: 20px;
}

.item-tourcat p {
    padding: var(--spacing-md);
    color: var(--gray-dark);
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
}

/*==========================================================
  CONTACT FORM SECTION - MODERN DESIGN
==========================================================*/
.area-contact-home {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.img_contact {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 100%;
}

.img_contact img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.form-contact {
    padding-left: var(--spacing-lg);
}

.widget-home-block {
    background: var(--gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.widget-home-block h3 {
    color: var(--primary-dark);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-green);
}

.widget-home-block h3 i {
    color: var(--primary-green);
    margin-right: 10px;
}

/* Modern Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    border: 2px solid var(--secondary-medium);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 15px;
    transition: all var(--transition-normal);
    background: var(--white);
}

.form-control:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(107, 159, 77, 0.1);
    outline: none;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Loading & Success Messages */
#loading,
#messageok {
    display: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

#loading {
    background: var(--secondary-light);
}

#messageok {
    background: var(--primary-green);
    color: var(--white);
    animation: slideInDown 0.5s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#messageok p {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

#messageok i {
    margin-left: 10px;
}

/*==========================================================
  FOOTER - MODERN DESIGN
==========================================================*/
footer {
    background: var(--primary-dark);
    color: var(--white);
    padding-top: 0;
}

.footer-info {
    padding: var(--spacing-xl) 0;
}

.widget-footer {
    margin-bottom: var(--spacing-lg);
}

.widget-footer h4 {
    color: var(--white);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-green);
    display: inline-block;
}

.widget-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget-footer ul li {
    margin-bottom: 12px;
}

.widget-footer ul li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    transition: all var(--transition-fast);
    display: inline-block;
}

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

.widget-footer ul li a i {
    color: var(--primary-green);
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Contact Buttons in Footer */
.btns {
    display: block;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    margin-bottom: 10px;
    transition: all var(--transition-normal);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateX(5px);
    color: var(--white);
}

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

.btn-call:hover {
    background: #357ABD;
    transform: translateX(5px);
    color: var(--white);
}

.btn-kakaotalk,
.btn-line {
    background: var(--white);
    color: var(--primary-dark);
}

.btn-kakaotalk:hover,
.btn-line:hover {
    background: var(--secondary-medium);
    transform: translateX(5px);
}

.btn-kakaotalk img,
.btn-line img {
    height: 20px;
    width: 20px;
    display: inline-block;
    margin-right: 8px;
    vertical-align: middle;
}

/* Footer Copyright */
.footer-copyright {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright a {
    color: var(--primary-gold);
}

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

.footer-copyright i {
    margin-right: 5px;
}

.footer-copyright .text-right {
    text-align: right;
}

/*==========================================================
  WIDGET SECTIONS (if applicable)
==========================================================*/
/* Add any widget-specific styles from your existing mods */

/*==========================================================
  RESPONSIVE DESIGN - MOBILE OPTIMIZATIONS
==========================================================*/
@media (max-width: 991px) {
    /* Navigation Mobile */
    .navbar-nav .nav-link {
        padding: 12px 16px;
    }
    
    .navbar-nav .nav-link::after {
        display: none;
    }
    
    .navbar-collapse {
        background: var(--white);
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        margin-top: var(--spacing-sm);
    }
    
    /* Hero Section Mobile */
    .carousel-item {
        height: 70vh;
        min-height: 500px;
    }
    
    .slide-caption {
        text-align: center;
    }
    
    .slide-caption h1 {
        font-size: 2.5rem;
    }
    
    .slide-caption h2 {
        font-size: 1.2rem;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 40px;
        height: 40px;
    }
    
    .carousel-control-prev {
        left: 15px;
    }
    
    .carousel-control-next {
        right: 15px;
    }
    
    /* Form Contact Mobile */
    .form-contact {
        padding-left: 0;
        margin-top: var(--spacing-md);
    }
    
    /* Footer Mobile */
    .footer-copyright .text-right {
        text-align: left;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 767px) {
    /* Typography Mobile */
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    /* Section Spacing Mobile */
    section {
        padding: var(--spacing-lg) 0;
    }
    
    /* Tour Categories Mobile */
    .item-tourcat figure {
        height: 220px;
    }
}

@media (max-width: 575px) {
    /* Hero Mobile */
    .carousel-item {
        height: 60vh;
        min-height: 400px;
    }
    
    .slide-caption h1 {
        font-size: 2rem;
    }
    
    .slide-caption h2 {
        font-size: 1rem;
    }
    
    .slide-caption .btn {
        padding: 14px 32px;
        font-size: 16px;
    }
}

/*==========================================================
  UTILITY CLASSES
==========================================================*/
.text-gradient {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-dark {
    background: var(--primary-dark);
    color: var(--white);
}

.shadow-hover {
    transition: box-shadow var(--transition-normal);
}

.shadow-hover:hover {
    box-shadow: var(--shadow-xl);
}

/*==========================================================
  ANIMATIONS & EFFECTS
==========================================================*/
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Fade In on Scroll (requires JS) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/*==========================================================
  ACCESSIBILITY IMPROVEMENTS
==========================================================*/
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
a:focus,
button:focus,
.btn:focus,
.form-control:focus {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

/*==========================================================
  PRINT STYLES
==========================================================*/
@media print {
    header,
    footer,
    .carousel-control-prev,
    .carousel-control-next,
    .carousel-indicators {
        display: none;
    }
}