:root {
    --primary-color: #bf1b1b;
    --secondary-color: #343447;
    --light-gray: #f9f9f9;
    --medium-gray: #9e9fa4;
    --text-color: #333;
    --white: #fff;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.site-header {
    padding: 15px 0;
    background-color: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    height: 30px;
}

.navbar-nav .nav-link {
    color: var(--secondary-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

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

.language-switcher {
    display: flex;
    align-items: center;
}

.language-switcher a {
    color: var(--medium-gray);
    text-decoration: none;
    margin-left: 10px;
    font-size: 0.9rem;
    font-weight: 500;
}

.language-switcher a.active {
    color: var(--primary-color);
}

/* Hero Banner */
.hero-banner {
    position: relative;
    padding: 0;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 60px; /* Add space for fixed navbar */
}

.hero-banner .container {
    padding: 0;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    border: none;
    position: absolute;
    top: 0;
    left: 0;
}

/* Business Areas */
.business-areas {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.section-title {
    font-size: 1.8rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
}

.business-intro {
    margin-bottom: 40px;
    max-width: 800px;
}

.business-intro p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.business-cards {
    margin-top: 30px;
}

.business-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    height: 100%;
}

.card-image {
    text-align: center;
    padding: 20px;
}

.card-body {
    padding: 20px;
    background-color: var(--white);
}

.service-label {
    font-size: 0.8rem;
    color: var(--medium-gray);
    margin-bottom: 10px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.card-text {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.btn-learn-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-learn-more img {
    margin-left: 5px;
    height: 12px;
    transition: transform 0.3s;
}

.btn-learn-more:hover {
    color: var(--primary-color);
    opacity: 0.8;
}

.btn-learn-more:hover img {
    transform: translateX(5px);
}

/* Projects */
.projects {
    padding: 80px 0;
    background-color: var(--white);
    position: relative;
}

.red-dot {
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
}

.pink-dot {
    width: 12px;
    height: 12px;
    background-color: #ffd0d0;
    border-radius: 50%;
    position: absolute;
    left: 60px;
    margin-top: 10px;
}

.section-title {
    font-size: 2rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 50px;
    position: relative;
    text-align: center;
}

.projects-layout {
    display: flex;
    margin-bottom: 40px;
}

.stats-column {
    flex: 0 0 40%;
    padding-right: 40px;
}

.stats-item {
    margin-bottom: 60px;
}

.stat-number {
    font-size: 5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-number sup {
    font-size: 2rem;
    color: var(--primary-color);
    top: -2rem;
    position: relative;
    vertical-align: baseline;
    font-weight: 700;
}

.stat-label {
    color: var(--secondary-color);
    font-weight: 400;
    font-size: 1.3rem;
    margin-top: 5px;
}

.view-all-link {
    margin-top: 60px;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-view-all img {
    margin-left: 8px;
    height: 12px;
    filter: brightness(10);
    transition: transform 0.3s;
}

.btn-view-all:hover {
    background-color: var(--secondary-color);
    opacity: 0.9;
    color: var(--white);
}

.btn-view-all:hover img {
    transform: translateX(5px);
}

.project-showcase {
    flex: 0 0 60%;
    position: relative;
}

.project-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    height: 100%;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-image: url('assets/images/kurashicom.png');
    background-size: cover;
    background-position: center;
    position: relative;
    z-index: 1;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
    z-index: -1;
}

.project-company {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: 15px;
    font-weight: 500;
}

.project-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.project-description {
    color: var(--secondary-color);
    margin-bottom: 25px;
    font-size: 1rem;
    line-height: 1.6;
}

.project-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: auto;
}

.project-link img {
    margin-left: 8px;
    height: 12px;
    transition: transform 0.3s;
}

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

.project-link:hover img {
    transform: translateX(5px);
}

.project-navigation {
    display: flex;
    justify-content: flex-end;
    position: relative;
    z-index: 5;
    margin-top: -20px;
    margin-right: 60px;
}

.nav-btn {
    background: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-btn img {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.nav-btn:hover {
    background-color: var(--light-gray);
}

.nav-btn:hover img {
    opacity: 1;
}

/* Career */
.career {
    padding: 80px 0;
    background-image: url('assets/images/career-bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
}

.career::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(191, 27, 27, 0.9);
}

.career-inner {
    position: relative;
    color: var(--white);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.sun-label {
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.career-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.career-slogan {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.career-description,
.career-cta {
    font-size: 1rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.btn-join {
    display: inline-flex;
    align-items: center;
    background-color: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 20px;
}

.btn-join img {
    margin-left: 5px;
    height: 12px;
    transition: transform 0.3s;
}

.btn-join:hover {
    background-color: var(--white);
    opacity: 0.9;
    color: var(--primary-color);
}

.btn-join:hover img {
    transform: translateX(5px);
}

/* Work Environment */
.work-environment {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.environment-items {
    margin-bottom: 40px;
}

.environment-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.check-icon {
    margin-right: 15px;
    flex-shrink: 0;
}

.check-icon img {
    width: 24px;
    height: 24px;
}

.item-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.btn-view-more {
    display: inline-flex;
    align-items: center;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-view-more img {
    margin-left: 5px;
    height: 12px;
    filter: brightness(10);
    transition: transform 0.3s;
}

.btn-view-more:hover {
    background-color: var(--secondary-color);
    opacity: 0.9;
    color: var(--white);
}

.btn-view-more:hover img {
    transform: translateX(5px);
}

/* Culture & Events */
.culture-events {
    padding: 80px 0;
    background-color: var(--white);
    position: relative;
}

.culture-events .red-dot {
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
}

.culture-events .section-title {
    font-size: 2rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
    text-align: center;
}

.events-carousel {
    position: relative;
    margin-bottom: 30px;
}

.events-container {
    overflow: hidden;
}

.event-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 0;
    height: 100%;
    transition: transform 0.3s;
    margin-bottom: 20px;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.event-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.event-image img {
    width: 100%;
    height: auto;
    border-radius: 10px 10px 0 0;
    transition: transform 0.3s;
}

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

.hot-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.event-title {
    padding: 15px 20px 0;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--secondary-color);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
}

.event-description {
    padding: 0 20px;
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 0.85rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 60px;
}

.event-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    padding: 0 20px 20px;
    font-size: 0.9rem;
}

.event-link img {
    margin-left: 5px;
    height: 12px;
    transition: transform 0.3s;
}

.event-link:hover {
    color: var(--primary-color);
    opacity: 0.8;
}

.event-link:hover img {
    transform: translateX(5px);
}

.events-navigation {
    position: absolute;
    top: -60px;
    right: 0;
    display: flex;
}

.culture-events .nav-btn {
    background: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.culture-events .nav-btn img {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.culture-events .nav-btn:hover {
    background-color: var(--light-gray);
}

.culture-events .nav-btn:hover img {
    opacity: 1;
}

.btn-view-more-events {
    display: inline-flex;
    align-items: center;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-view-more-events img {
    margin-left: 5px;
    height: 12px;
    filter: brightness(10);
    transition: transform 0.3s;
}

.btn-view-more-events:hover {
    background-color: var(--secondary-color);
    opacity: 0.9;
    color: var(--white);
}

.btn-view-more-events:hover img {
    transform: translateX(5px);
}


/* Footer */
.site-footer {
    background-color: var(--light-gray);
    padding: 60px 0 30px;
    position: relative;
}

.footer-logo {
    margin-bottom: 40px;
}

.footer-logo img {
    height: 30px;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-menu a:hover {
    color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 10px;
    color: var(--text-color);
}

.offices {
    margin-top: 40px;
    margin-bottom: 40px;
}

.office h6 {
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.office p {
    font-size: 0.9rem;
    color: var(--text-color);
}

.footer-bottom {
    border-top: 1px solid #eee;
    padding-top: 30px;
    margin-top: 30px;
}

.copyright {
    font-size: 0.85rem;
    color: var(--text-color);
}

.copyright span {
    display: block;
    margin-bottom: 10px;
}

.copyright p {
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--medium-gray);
    color: var(--white);
    border-radius: 50%;
    margin-left: 10px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.social-link:last-child {
    width: auto;
    padding: 0 15px;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.join-us-fixed {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 100;
}

.btn-join-fixed {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-join-fixed:hover {
    background-color: var(--primary-color);
    opacity: 0.9;
    color: var(--white);
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

#backToTopBtn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s;
    visibility: hidden;
}

#backToTopBtn.visible {
    opacity: 1;
    visibility: visible;
}

/* Media Queries - Responsive */
@media (max-width: 991px) {
    .hero-banner {
        padding: 120px 0 40px;
    }

    .main-heading {
        font-size: 2rem;
    }

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

    .social-links {
        justify-content: center;
        margin-top: 20px;
    }
}

@media (max-width: 767px) {
    .hero-banner {
        padding: 100px 0 30px;
    }

    .main-heading {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .project-card-body {
        padding: 20px;
    }

    .career-title {
        font-size: 1.8rem;
    }

    .footer-col {
        margin-bottom: 30px;
    }
}

@media (max-width: 575px) {
    .hero-banner {
        padding: 90px 0 20px;
    }

    .main-heading {
        font-size: 1.5rem;
    }

    .business-intro p {
        font-size: 0.95rem;
    }

    .environment-item {
        flex-direction: column;
    }

    .check-icon {
        margin-bottom: 10px;
    }

    .career-title {
        font-size: 1.5rem;
    }
}