:root {
    --primary-color: #1a3c34;
    /* Deep forest green */
    --secondary-color: #8c7851;
    /* Muted gold */
    --text-color: #2d2d2d;
    --background-color: #fdfcf8;
    /* Soft cream */
    --accent-color: #e6dfd1;
    --white: #ffffff;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 700;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 4rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 2px;
}

nav.scrolled .logo {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

nav.scrolled .nav-links a {
    color: var(--text-color);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('assets/hero.jpg') center/cover no-repeat;
    color: var(--white);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.hero-title {
    font-size: 8rem;
    font-weight: 900;
    letter-spacing: 1rem;
    margin-bottom: 1rem;
    animation: fadeInDown 1.5s ease-out;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.2rem;
    letter-spacing: 0.5rem;
    text-transform: uppercase;
    opacity: 0.9;
    animation: fadeInUp 1.5s ease-out 0.5s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s infinite;
}

/* Section Common */
section {
    padding: 100px 10%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
}

/* Region Link Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Tajima Section */
.tajima-section {
    background-color: var(--accent-color);
}

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

.info-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

.challenge-list {
    list-style: none;
}

.challenge-list li {
    margin-bottom: 0.8rem;
    padding-left: 20px;
    position: relative;
}

.challenge-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

/* Activities */
.activity-reports {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.report-img {
    height: 200px;
    background: #eee;
    width: 100%;
    object-fit: cover;
}

.report-info {
    padding: 1.5rem;
}

.report-date {
    font-size: 0.8rem;
    color: #888;
}

.report-info a,
.modal-content a {
    color: var(--secondary-color);
    text-decoration: underline;
    font-weight: 500;
    transition: var(--transition);
}

.report-info a:hover,
.modal-content a:hover {
    color: var(--primary-color);
}

/* Members */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.member-card {
    text-align: center;
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    cursor: pointer;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.member-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    object-fit: cover;
    border: 3px solid var(--secondary-color);
    padding: 5px;
}

.member-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-role {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-color);
    opacity: 0.8;
}

.card-sns {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin-top: 1rem;
}

.card-sns a {
    color: var(--secondary-color);
    font-size: 1.3rem;
    transition: var(--transition);
}

.card-sns a:hover {
    color: var(--primary-color);
    transform: scale(1.2);
}

.view-details-btn {
    margin-top: 1.5rem;
    padding: 0.7rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(26, 60, 52, 0.2);
}

.member-card:hover .view-details-btn {
    background: var(--secondary-color);
}

.view-details-btn:hover {
    transform: scale(1.05);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 30px;
    max-width: 600px;
    width: 90%;
    position: relative;
    text-align: center;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--primary-color);
}

.modal-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    object-fit: cover;
    border: 4px solid var(--secondary-color);
}

.modal-sns-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.modal-sns-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-x { background: #000; color: #fff; }
.btn-insta { background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%); color: #fff; }

.modal-sns-btn:hover {
    transform: translateY(-3px);
    filter: brightness(1.1);
}

/* Activity Card Hover */
.report-card {
    cursor: pointer;
    transition: var(--transition);
}

.report-card:hover {
    transform: translateY(-10px);
}

/* SNS */
.sns-section {
    text-align: center;
}

.sns-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.sns-item {
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.sns-item:hover {
    color: var(--secondary-color);
    transform: scale(1.2);
}

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

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

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

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

@keyframes bounce {

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

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

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

/* Responsive */
@media (max-width: 968px) {
    .hero-title {
        font-size: 4rem;
        letter-spacing: 0.5rem;
    }

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

    nav {
        padding: 1rem 2rem;
    }

    .nav-links {
        display: none;
    }

    /* Could add hamburger here */
    .activity-reports {
        grid-template-columns: 1fr;
    }
}