/* 
   Main CSS file for InvArg - Petroleum and Service Stations Investment in Argentina
   Theme: Brutalism with Block Interface Construction
   Color Scheme: Neutral
   Animations: Bouncy animations
   Fonts: Oswald for headings, Nunito for body text
*/

/* CSS Reset and Base Styles */
:root {
    /* Color Variables */
    --color-primary: #2e2e2e;
    --color-primary-dark: #1a1a1a;
    --color-secondary: #606060;
    --color-secondary-dark: #454545;
    --color-accent: #ffa500;
    --color-accent-dark: #e69500;
    --color-highlight: #ff4500;
    --color-highlight-dark: #e63e00;
    --color-light: #f7f7f7;
    --color-light-dark: #e9e9e9;
    --color-dark: #222222;
    
    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #ffffff;
    --text-dark: #1a1a1a;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-dark: #2e2e2e;
    --bg-darker: #1a1a1a;
    --bg-light: #f8f8f8;
    --bg-accent: #f0f0f0;
    
    /* Border Colors */
    --border-light: #e0e0e0;
    --border-dark: #333333;
    --border-accent: #ffa500;
    
    /* Shadow Values */
    --shadow-small: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Border Radius */
    --radius-small: 3px;
    --radius-medium: 5px;
    --radius-large: 10px;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-huge: 3rem;
    
    /* Container Width */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: 'Nunito', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--text-dark);
}

h1 {
    font-size: var(--font-size-huge);
}

h2 {
    font-size: var(--font-size-xxl);
}

h3 {
    font-size: var(--font-size-xl);
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section Styles */
section {
    padding: var(--space-lg) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-lg);
    position: relative;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    margin: var(--space-xs) auto 0;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-medium);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    font-size: var(--font-size-sm);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    color: var(--text-light);
}

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

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--text-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.btn-text {
    background-color: transparent;
    color: var(--color-accent);
    padding: 0;
    text-transform: none;
    border: none;
    font-weight: 600;
}

.btn-text:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-small);
    z-index: 1000;
    backdrop-filter: blur(5px);
    transition: all var(--transition-medium);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--container-padding);
}

.logo a {
    color: var(--text-dark);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.logo h1 {
    margin: 0;
    font-size: var(--font-size-xl);
}

.nav-desktop {
    display: none;
}

.nav-desktop ul {
    display: flex;
    gap: var(--space-sm);
}

.nav-desktop a {
    color: var(--text-dark);
    font-weight: 600;
    padding: 0.5rem;
    transition: color var(--transition-medium);
}

.nav-desktop a:hover {
    color: var(--color-accent);
}

.burger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 24px;
    width: 30px;
    cursor: pointer;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-dark);
    transition: all var(--transition-medium);
}

.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-dark);
    z-index: 1001;
    transition: right var(--transition-medium);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-lg);
}

.nav-mobile.active {
    right: 0;
}

.nav-mobile ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.nav-mobile a {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: block;
    padding: var(--space-xs) 0;
    transition: color var(--transition-medium);
}

.nav-mobile a:hover {
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 0;
    margin-top: 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.5));
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: var(--space-xl) var(--container-padding);
    animation: fadeIn 1s ease forwards;
}

.hero-content h1 {
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-content h2 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.hero-content p {
    color: var(--text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

/* About Section */
.about {
    background-color: var(--bg-light);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    overflow: hidden;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-medium);
}

.image-container:hover {
    transform: scale(1.02);
}

.image-container img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.image-container:hover img {
    transform: scale(1.05);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.progress-indicators {
    margin-top: var(--space-md);
}

.progress-item {
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background-color: var(--border-light);
    border-radius: 4px;
    margin: 0 var(--space-sm);
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 4px;
    transition: width 1s var(--transition-bounce);
}

/* Vision Section */
.vision {
    background-color: var(--bg-primary);
}

.vision-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.vision-text {
    flex: 1;
}

.vision-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Projects Section */
.projects {
    background-color: var(--bg-light);
    padding: var(--space-xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

.card-image {
    width: 100%;
    overflow: hidden;
    height: 250px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.card-content h3 {
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-lg);
}

.card-content p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

/* Portfolio Section */
.portfolio {
    background-color: var(--bg-primary);
    padding: var(--space-xl) 0;
}

.portfolio-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

/* Resources Section */
.resources {
    background-color: var(--bg-light);
    padding: var(--space-xl) 0;
}

.resources-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.resource-item {
    background-color: var(--bg-primary);
    padding: var(--space-md);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.resource-item h3 {
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-md);
}

.resource-item p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Webinars Section */
.webinars {
    background-color: var(--bg-primary);
    padding: var(--space-xl) 0;
}

.webinars-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.webinars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

/* Case Studies Section */
.case-studies {
    background-color: var(--bg-light);
    padding: var(--space-xl) 0;
}

.case-studies-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-medium);
    overflow: hidden;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-small);
}

.accordion-header {
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-primary);
    cursor: pointer;
    transition: background-color var(--transition-medium);
}

.accordion-header:hover {
    background-color: var(--bg-accent);
}

.accordion-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
}

.accordion-icon {
    font-size: var(--font-size-xl);
    transition: transform var(--transition-medium);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.accordion-inner {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.case-image {
    flex: 1;
    border-radius: var(--radius-medium);
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.case-description {
    flex: 2;
}

.case-description ul {
    list-style-type: disc;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
}

/* Awards Section */
.awards {
    background-color: var(--bg-primary);
    padding: var(--space-xl) 0;
}

.awards-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.awards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.award-item {
    text-align: center;
    padding: var(--space-md);
    background-color: var(--bg-light);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-small);
    transition: transform var(--transition-medium);
}

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

.award-image {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--space-md);
    overflow: hidden;
    border-radius: 50%;
}

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

/* News Section */
.news {
    background-color: var(--bg-light);
    padding: var(--space-xl) 0;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.news-date {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--text-light);
    font-size: var(--font-size-xs);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-small);
    margin-bottom: var(--space-xs);
}

/* Events Section */
.events {
    background-color: var(--bg-primary);
    padding: var(--space-xl) 0;
}

.events-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.event-item {
    display: flex;
    background-color: var(--bg-light);
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-small);
}

.event-date {
    background-color: var(--color-accent);
    color: var(--text-light);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 100px;
    text-align: center;
}

.event-date .day {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    line-height: 1;
}

.event-date .month {
    font-size: var(--font-size-md);
    font-weight: 600;
}

.event-details {
    padding: var(--space-md);
    flex: 1;
}

.event-location {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
}

/* Contact Section */
.contact {
    background-color: var(--bg-light);
    padding: var(--space-xl) 0;
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-info {
    flex: 1;
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.contact-item h4 {
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.contact-form-container {
    flex: 1;
}

.contact-form {
    background-color: var(--bg-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-medium);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-small);
    background-color: var(--bg-light);
    transition: border-color var(--transition-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group button {
    width: 100%;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--space-lg) 0 var(--space-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-section h3 {
    color: var(--text-light);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-sm);
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-medium);
}

.footer-section ul li a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* Success Page */
.success-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-lg);
}

.success-content {
    max-width: 600px;
    animation: fadeInUp 0.8s var(--transition-bounce) forwards;
}

.success-icon {
    font-size: 5rem;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

/* Terms & Privacy Pages */
.terms-page,
.privacy-page {
    padding-top: 100px;
    padding-bottom: var(--space-xl);
}

.terms-content,
.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.terms-content h2,
.privacy-content h2 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.terms-content p,
.privacy-content p {
    margin-bottom: var(--space-md);
}

.terms-content ul,
.privacy-content ul {
    list-style-type: disc;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Media Queries */
@media (min-width: 576px) {
    .portfolio-grid,
    .awards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-details {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .nav-desktop {
        display: block;
    }
    
    .burger-menu {
        display: none;
    }
    
    .about-content,
    .vision-content {
        flex-direction: row;
    }
    
    .vision-content {
        flex-direction: row-reverse;
    }
    
    .projects-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        flex-direction: row;
    }
    
    .accordion-inner {
        flex-direction: row;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

@media (min-width: 992px) {
    .projects-grid,
    .portfolio-grid,
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .webinars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
}

@media (min-width: 1200px) {
    .resources-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .awards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* JavaScript-dependent classes */
.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.nav-mobile.active {
    right: 0;
}

.burger-menu.active .bar:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.burger-menu.active .bar:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}