/* ============================================
   VracLoop Landing Page Styles
   ============================================ */

/* CSS Variables */
:root {
    --primary-green: #4CAF50;
    --primary-blue: #26A69A;
    --dark-green: #388E3C;
    --light-green: #81C784;
    --dark-blue: #00897B;
    --light-blue: #4DB6AC;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --gray: #9E9E9E;
    --dark-gray: #424242;
    --black: #212121;
    --orange: #FF9800;
    --yellow: #FFC107;

    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);

    --transition: all 0.3s ease;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--dark-gray);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-green);
    background-color: var(--light-gray);
}

.nav-link.cta-nav {
    background-color: var(--primary-green);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
}

.nav-link.cta-nav:hover {
    background-color: var(--dark-green);
    color: var(--white);
}

.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    margin-right: var(--spacing-md);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: transparent;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.lang-btn:hover {
    border-color: var(--primary-green);
    background-color: var(--light-gray);
    color: var(--primary-green);
}

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

.lang-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    display: block;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.lang-code {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 50%, var(--primary-blue) 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: calc(var(--spacing-xl) + 80px) var(--spacing-md) var(--spacing-xl);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 3px solid var(--white);
    border-bottom: 3px solid var(--white);
    transform: rotate(45deg);
    opacity: 0.8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-green);
}

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

.btn-outline:hover {
    background-color: var(--primary-green);
    color: var(--white);
}

/* White outline button for dark backgrounds */
.journey-benefit .btn-outline {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.journey-benefit .btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-green);
}

/* Journey Steps Layout */
.journey-steps {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.journey-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.journey-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.journey-content {
    flex: 1;
    max-width: 500px;
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.journey-title {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.journey-text {
    color: var(--dark-gray);
    line-height: 1.8;
    font-size: 1.05rem;
}

.journey-image {
    flex: 1;
    max-width: 700px;
    width: 700px;
    min-width: 700px;
    position: relative;
    aspect-ratio: 1 / 1;
    background-color: #E0E0E0;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.journey-img {
    width: 100%;
    height: 100%;
    min-height: 700px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    object-fit: cover;
    object-position: center center;
    display: block;
    background-color: #E0E0E0;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-title {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.section-intro {
    font-size: 1.1rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

/* Challenges Section */
.challenges-section {
    background-color: var(--light-gray);
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.challenge-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.challenge-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.challenge-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.challenge-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.challenge-title {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.challenge-text {
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.section-transition {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.transition-text {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

/* Technology Section */
.technology-section {
    background-color: var(--light-gray);
}

.technology-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin-top: var(--spacing-lg);
}

.technology-image-container {
    position: sticky;
    top: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    width: 700px;
    max-width: 700px;
    background-color: #E0E0E0;
    border-radius: var(--border-radius);
}

.technology-image {
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    background-color: #E0E0E0;
    object-fit: cover;
    object-position: center center;
    display: block;
}

.technology-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.tech-feature {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.tech-feature.animate {
    opacity: 1;
    transform: translateY(0);
}

.tech-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.tech-title {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.tech-text {
    color: var(--dark-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Journey Section */
.journey-section {
    background-color: var(--white);
}

.journey-benefit {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    color: var(--white);
    border-radius: var(--border-radius);
}

.benefit-text {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}


/* Value Section */
.value-section {
    background-color: var(--white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.value-card {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border-top: 4px solid var(--primary-green);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.value-card.animate {
    opacity: 1;
    transform: translateY(0);
}

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

.value-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.value-title {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.value-list {
    list-style: none;
    padding-left: 0;
}

.value-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--dark-gray);
    line-height: 1.7;
}

.value-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}


/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--black) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.footer-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary-green);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Contact Form */
.contact-form-container {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-input,
.form-textarea {
    padding: var(--spacing-sm);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    background-color: rgba(255, 255, 255, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.privacy-link {
    color: var(--primary-green);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.form-success {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: rgba(76, 175, 80, 0.2);
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-green);
}

.success-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin: 0 auto var(--spacing-md);
}

.form-success h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.form-success p {
    color: rgba(255, 255, 255, 0.9);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive Design */
@media (min-width: 1024px) {
    .fil-rouge-container {
        display: block;
    }
}

@media (max-width: 1023px) {
    .fil-rouge-container {
        display: none;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .technology-content {
        grid-template-columns: 1fr;
    }

    .technology-image-container {
        position: relative;
        top: 0;
    }

    .technology-features {
        grid-template-columns: 1fr;
    }

    .journey-item {
        flex-direction: column;
        text-align: center;
    }

    .journey-content {
        max-width: 100%;
    }

    .journey-image {
        max-width: 100%;
        width: 100%;
        min-width: unset;
        aspect-ratio: 1 / 1;
    }

    .journey-img {
        min-height: unset;
        object-fit: cover;
        object-position: center center;
    }

    .technology-image-container {
        width: 100%;
        max-width: 100%;
    }

    .technology-image {
        object-fit: cover;
        object-position: center center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--box-shadow);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .language-switcher {
        margin-right: var(--spacing-sm);
    }

    .lang-btn {
        padding: 6px 8px;
    }

    .lang-code {
        display: none;
    }

    .language-switcher {
        order: -1;
        margin-right: var(--spacing-sm);
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .challenges-grid,
    .value-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .fil-rouge-container {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero {
        min-height: 80vh;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .challenge-card,
    .value-card {
        padding: var(--spacing-sm);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background-color: var(--white);
    padding: var(--spacing-sm);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    font-size: 2.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    line-height: 1;
    padding: 0;
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: var(--white);
    transform: scale(1.1);
}

.journey-img,
.technology-image {
    cursor: pointer;
    transition: var(--transition);
}

.journey-img:hover,
.technology-image:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* Print Styles */
@media print {

    .navbar,
    .fil-rouge-container,
    .scroll-indicator,
    .btn,
    .contact-form {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }
}