/* Style.css для FinanzAR - Servicios y aplicaciones para la gestión de gastos en Argentina */

/* Основные CSS-переменные */
:root {
    /* Основная тетрадная цветовая схема */
    --primary-color: #3a7bd5; /* Основной синий */
    --primary-dark: #2c5fa0; /* Темно-синий */
    --primary-light: #5f9bff; /* Светло-синий */
    
    --secondary-color: #d53a7b; /* Розовый */
    --secondary-dark: #a02c5f; /* Темно-розовый */
    --secondary-light: #ff5f9b; /* Светло-розовый */
    
    --tertiary-color: #7bd53a; /* Зеленый */
    --tertiary-dark: #5fa02c; /* Темно-зеленый */
    --tertiary-light: #9bff5f; /* Светло-зеленый */
    
    --quaternary-color: #d5733a; /* Оранжевый */
    --quaternary-dark: #a0552c; /* Темно-оранжевый */
    --quaternary-light: #ff9b5f; /* Светло-оранжевый */

    /* Нейтральные цвета */
    --white: #ffffff;
    --off-white: #f9f9f9;
    --light-gray: #e0e0e0;
    --medium-gray: #9e9e9e;
    --dark-gray: #424242;
    --black: #121212;
    
    /* Текстовые цвета */
    --text-primary: #121212;
    --text-secondary: #424242;
    --text-light: #9e9e9e;
    --text-white: #ffffff;
    
    /* Тени */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    
    /* Скругления */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Переходы */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Шрифты */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Source Sans Pro', sans-serif;
    
    /* Размеры контейнеров */
    --container-width: 1200px;
    --container-padding: 20px;
    
    /* Сетка */
    --grid-gap: 2rem;
}

/* Сброс стилей */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

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

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

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

ul {
    list-style: none;
}

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-header h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

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

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

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

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

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

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

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

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

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

.card-content {
    padding: 1.5rem;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Прогресс-бары */
.progress-container {
    margin: 1rem 0;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.progress-bar {
    height: 8px;
    background-color: var(--light-gray);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: var(--radius-sm);
}

.progress-value {
    margin-left: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Header и навигация */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
    backdrop-filter: blur(10px);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
}

.desktop-nav ul {
    display: flex;
    gap: 1.5rem;
}

.desktop-nav a {
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
}

.desktop-nav a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-medium);
}

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

.desktop-nav a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-nav {
    display: none;
    background-color: var(--white);
    padding: 1rem 0;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav a {
    color: var(--text-primary);
    font-weight: 600;
    display: block;
    padding: 0.5rem 0;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-content {
    max-width: 650px;
    color: var(--text-white);
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background-color: var(--off-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--grid-gap);
}

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

/* Projects Section */
.projects-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.projects-slider {
    position: relative;
    margin-top: 2rem;
}

.slider-container {
    overflow: hidden;
}

.slider-track {
    display: flex;
    transition: transform var(--transition-medium);
}

.slider-item {
    flex: 0 0 100%;
    padding: 0 1rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.slider-prev,
.slider-next {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.slider-prev:hover,
.slider-next:hover {
    background-color: var(--primary-dark);
}

.slider-dots {
    display: flex;
    gap: 0.5rem;
    margin: 0 1rem;
}

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--light-gray);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--primary-color);
}

/* Sustainability Section */
.sustainability-section {
    padding: 5rem 0;
    background-color: var(--tertiary-light);
    position: relative;
    overflow: hidden;
}

.sustainability-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('image/texture-pattern.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0.05;
    mix-blend-mode: overlay;
}

.sustainability-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--grid-gap);
}

.sustainability-image {
    flex: 1 1 400px;
    text-align: center;
}

.sustainability-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.sustainability-text {
    flex: 1 1 500px;
}

.sustainability-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    flex: 1 1 150px;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Resources Section */
.resources-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

.resource-card {
    height: 100%;
}

.resource-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: auto;
}

.resource-link:hover {
    color: var(--primary-dark);
}

.resource-link .arrow {
    margin-left: 0.5rem;
    transition: transform var(--transition-fast);
}

.resource-link:hover .arrow {
    transform: translateX(5px);
}

/* Portfolio Section */
.portfolio-section {
    padding: 5rem 0;
    background-color: var(--off-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--grid-gap);
}

.portfolio-item {
    margin-bottom: 2rem;
}

.portfolio-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    flex: 1 1 120px;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--grid-gap);
}

.contact-info {
    flex: 1 1 400px;
}

.info-item {
    margin-bottom: 1.5rem;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-secondary);
}

.contact-form {
    flex: 1 1 500px;
    background-color: var(--off-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input {
    width: auto;
}

.form-checkbox label {
    margin-bottom: 0;
    font-weight: 400;
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--grid-gap);
    margin-bottom: 3rem;
}

.footer-logo {
    flex: 1 1 300px;
}

.footer-logo h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    flex: 2 1 600px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--grid-gap);
}

.footer-column {
    flex: 1 1 180px;
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-column h3::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: var(--light-gray);
    transition: color var(--transition-fast);
}

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

.social-links a {
    display: flex;
    align-items: center;
}

.social-links a::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 8px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.social-links a:hover::before {
    opacity: 1;
}

.social-links li:nth-child(1) a::before {
    background-image: url('image/icon-facebook.png');
}

.social-links li:nth-child(2) a::before {
    background-image: url('image/icon-twitter.png');
}

.social-links li:nth-child(3) a::before {
    background-image: url('image/icon-instagram.png');
}

.social-links li:nth-child(4) a::before {
    background-image: url('image/icon-linkedin.png');
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

/* Success page */
.success-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
}

.success-icon {
    font-size: 5rem;
    color: var(--tertiary-color);
    margin-bottom: 2rem;
}

.success-message {
    max-width: 600px;
}

.success-message h1 {
    margin-bottom: 1rem;
}

.success-actions {
    margin-top: 2rem;
}

/* Privacy & Terms pages */
.page-content {
    padding-top: 100px;
    padding-bottom: 4rem;
}

.page-content .container {
    max-width: 800px;
}

.page-content h1 {
    margin-bottom: 2rem;
}

.page-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
}

.page-content p, .page-content ul {
    margin-bottom: 1.5rem;
}

.page-content ul {
    padding-left: 2rem;
    list-style-type: disc;
}

.page-content ul li {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .sustainability-content {
        flex-direction: column;
    }
    
    .sustainability-image {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-content {
        padding: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .features-grid, .portfolio-grid, .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-nav.active {
        display: block;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .card-image {
        height: 200px;
    }
}

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

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

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn var(--transition-medium) forwards;
}

.slide-up {
    animation: slideUp var(--transition-medium) forwards;
}

.scale-in {
    animation: scaleIn var(--transition-medium) forwards;
}