:root {
    --primary-color: #004e64;
    --accent-color: #ffba08;
    --text-color: #333333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #003d4d;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo span {
    color: var(--accent-color);
}

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

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), url('../assets/images/eshima_ohashi_sea.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    border-radius: 5px;
    transition: var(--transition);
}

.cta-button:hover {
    background-color: #e6a700;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 186, 8, 0.4);
}

/* Glassmorphism Classes */
.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.dark-glass {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Wave Divider */
.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 10;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.wave-divider .shape-fill {
    fill: #ffffff;
    /* Default to white for transitioning into white sections */
}

/* Specific divider for boats section transition if needed */
.to-boats .shape-fill {
    fill: #f0f4f8;
}

#about {
    position: relative;
}

/* Sections General */
section {
    padding: 5rem 2rem;
}

h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2rem;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 1rem auto;
}

/* Features/About */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.boat-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.boat-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 78, 100, 0.15);
}

.boat-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}

.boat-card:hover img {
    transform: scale(1.1);
}

.boat-info {
    padding: 1.5rem;
}

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

/* Pricing */
.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.pricing-table th,
.pricing-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: nowrap;
}

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.pricing-table th {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Contact */
.contact-container {
    text-align: center;
    background-color: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 600px) {
    .fab-container {
        bottom: 1rem;
        right: 1rem;
    }

    .fab-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 300px;
    box-shadow: var(--card-shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 78, 100, 0.8));
    color: white;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* FAQ Section */
.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.faq-question {
    padding: 1.2rem;
    background: var(--white);
    color: var(--primary-color);
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: #f0f4f8;
}

.faq-answer {
    padding: 0 1.2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
    background: #fafafa;
}

.faq-item.active .faq-answer {
    padding: 1.2rem;
    max-height: 500px;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

/* Dark Mode */
body.dark-mode {
    --primary-color: #00d2ff;
    --accent-color: #ffba08;
    --text-color: #e0e0e0;
    --light-bg: #121212;
    --white: #1e1e1e;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

body.dark-mode .glass-panel {
    background: rgba(30, 30, 30, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode #boats,
body.dark-mode #reservation {
    background-color: #1a1a1a !important;
}

#dark-mode-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

#dark-mode-toggle:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {

    /* Header & Nav */
    .nav-container {
        padding: 0.8rem 1.5rem;
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: none;
    }

    .nav-toggle-label {
        cursor: pointer;
        display: block;
        padding: 1rem;
    }

    .nav-toggle-label span,
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        display: block;
        background: var(--primary-color);
        height: 2px;
        width: 25px;
        border-radius: 2px;
        position: relative;
        transition: var(--transition);
    }

    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        content: '';
        position: absolute;
    }

    .nav-toggle-label span::before {
        bottom: 8px;
    }

    .nav-toggle-label span::after {
        top: 8px;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        transform: scale(1, 0);
        transform-origin: top;
        transition: transform 0.4s ease-in-out;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    nav li {
        width: 100%;
    }

    nav a {
        display: block;
        padding: 1rem 2rem;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-toggle:checked~nav {
        transform: scale(1, 1);
    }

    .nav-toggle:checked~.nav-toggle-label span {
        background: transparent;
    }

    .nav-toggle:checked~.nav-toggle-label span::before {
        transform: rotate(45deg);
        top: 0;
    }

    .nav-toggle:checked~.nav-toggle-label span::after {
        transform: rotate(-45deg);
        top: 0;
    }

    /* Hero */
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    /* Section Spacing */
    section {
        padding: 3rem 1.5rem;
    }

    /* Form Improvements */
    .booking-form .form-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .booking-form label {
        margin-bottom: 0;
    }

    /* Table adjustments */
    .pricing-table th,
    .pricing-table td {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

/* Calendar */
.calendar-wrapper {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin: 0 auto;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.calendar-header button {
    background: none;
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 5px;
    font-size: 1.2rem;
}

.calendar-header button:hover {
    background-color: #f0f0f0;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    text-align: center;
}

.calendar-day-header {
    font-weight: bold;
    color: #666;
    padding-bottom: 1rem;
}

.calendar-day {
    padding: 1rem 0.5rem;
    border: 1px solid #eee;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.calendar-day:hover:not(.disabled) {
    background-color: #f0f8ff;
    border-color: var(--primary-color);
}

.calendar-day.disabled {
    background-color: #fafafa;
    color: #ccc;
    cursor: default;
}

.calendar-day .status-dot {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 5px;
}

.status-ok {
    background-color: #28a745;
}

.status-few {
    background-color: #ffc107;
}

.status-full {
    background-color: #dc3545;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: #fefefe;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

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

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: #000;
}

/* Boat Selection List */
.boat-select-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

.boat-select-item:last-child {
    border-bottom: none;
}

.boat-status-btn {
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
}

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

.btn-book:hover {
    background-color: #003d4d;
}

.btn-full {
    background-color: #ddd;
    color: #666;
    cursor: not-allowed;
}

/* Form inputs in Modal */
.booking-form input {
    width: 100%;
    padding: 0.8rem;
    margin: 0.5rem 0 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}