/* Минималистичный дизайн с плавными анимациями */

:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --text-color: #2c3e50;
    --bg-color: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Навигация */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

/* Главный контент */
.main-content {
    min-height: calc(100vh - 200px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero секция */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
}

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

.lobster-illustration {
    font-size: 15rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
}

/* Анимации появления */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

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

/* Кнопки */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow);
}

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

/* Features секция */
.features-section {
    padding: 5rem 0;
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.feature-card p {
    color: #666;
}

/* Page header */
.page-header {
    text-align: center;
    padding: 4rem 0 2rem;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.page-subtitle {
    font-size: 1.25rem;
    color: #666;
}

/* Content section */
.content-section {
    padding: 3rem 0;
}

.content-block {
    margin-bottom: 3rem;
}

.content-block h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.content-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1rem;
}

/* Info grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-item {
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateX(5px);
    background: white;
    box-shadow: var(--shadow);
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Species grid */
.species-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.species-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.species-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.species-card h2 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.species-scientific {
    font-style: italic;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.species-features {
    list-style: none;
    margin-top: 1rem;
}

.species-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.species-features li::before {
    content: '🦞';
    position: absolute;
    left: 0;
}

/* Facts list */
.facts-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.fact-card {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

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

.fact-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.3;
    min-width: 80px;
}

.fact-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.fact-content p {
    color: #666;
    line-height: 1.8;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    color: #666;
    margin-top: 4rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        font-size: 0.85rem;
    }

    .nav-link {
        padding: 0.3rem 0.5rem;
    }

    .hero-section {
        flex-direction: column;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .lobster-illustration {
        font-size: 8rem;
    }

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

    .fact-card {
        flex-direction: column;
        gap: 1rem;
    }

    .fact-number {
        min-width: auto;
    }
}

/* Плавная прокрутка */
html {
    scroll-behavior: smooth;
}

/* Дополнительные анимации */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.6s ease-out;
}

/* Галерея */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    aspect-ratio: 4/3;
}

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

.gallery-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.gallery-image-placeholder.ocean-theme {
    background: linear-gradient(135deg, #4ecdc4, #45b7d1);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

.gallery-image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.1) 10px,
        rgba(255, 255, 255, 0.1) 20px
    );
    animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.gallery-emoji {
    font-size: 5rem;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

.gallery-placeholder-text {
    margin-top: 1rem;
    font-weight: 600;
    z-index: 1;
    text-align: center;
    padding: 0 1rem;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    margin-bottom: 0.5rem;
}

.gallery-info {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 15px;
}

.gallery-info h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.image-sources {
    list-style: none;
    margin-top: 1rem;
}

.image-sources li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.image-sources li::before {
    content: '📷';
    position: absolute;
    left: 0;
}

.image-note {
    margin-top: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Калькулятор */
.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 2rem 0;
}

.calculator-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.calculator-card h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.calculator-description {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.calculator-input-group {
    margin-bottom: 2rem;
}

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

.calculator-input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.calculator-input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.input-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #999;
}

.calculator-result {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.calculator-result.hidden {
    display: none;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

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

.result-age {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.result-size {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1rem;
}

.result-info {
    margin-top: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    color: #555;
}

.calculator-info {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
}

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

.info-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.info-box h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.info-box ul {
    list-style: none;
    margin-top: 1rem;
}

.info-box li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.info-box li::before {
    content: '🦞';
    position: absolute;
    left: 0;
}

/* Жизненный цикл */
.lifecycle-timeline {
    position: relative;
    padding: 2rem 0;
}

.lifecycle-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    padding-left: 5rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    box-shadow: var(--shadow);
    z-index: 1;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.timeline-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

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

.timeline-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timeline-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.detail-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-bg);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-color);
}

.lifecycle-facts {
    margin-top: 4rem;
}

.lifecycle-facts h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.lifecycle-fact-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.lifecycle-fact-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.lifecycle-fact-card p {
    color: #666;
    line-height: 1.8;
}

/* Интерактивные карточки */
.interactive-section {
    padding: 5rem 0;
    background: white;
}

.interactive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.interactive-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: block;
    border: 2px solid transparent;
}

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

.interactive-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.interactive-card:hover .interactive-icon {
    transform: scale(1.2) rotate(5deg);
}

.interactive-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.interactive-card p {
    color: #666;
    margin-bottom: 1rem;
}

.card-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
    transition: transform 0.3s ease;
}

.interactive-card:hover .card-link {
    transform: translateX(5px);
}

/* Секция с цитатами */
.quote-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.05), rgba(78, 205, 196, 0.05));
}

.quote-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.quote-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.quote-text {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
}

.quote-text::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: -20px;
    left: -20px;
}

.quote-author {
    color: #666;
    font-weight: 600;
}

/* Адаптивность для новых элементов */
@media (max-width: 768px) {
    .calculator-container {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .lifecycle-timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 4rem;
    }

    .timeline-marker {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .interactive-grid {
        grid-template-columns: 1fr;
    }

    .quote-text {
        font-size: 1.1rem;
    }

    .nav-menu {
        font-size: 0.9rem;
    }
}