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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333333;
    background: #ffffff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: table;
    table-layout: fixed;
}

.navbar {
    background: #0077B6;
    padding: 18px 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.nav-container {
    display: table;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    table-layout: auto;
}

.logo {
    display: table-cell;
    vertical-align: middle;
    width: 35%;
    color: #ffffff;
    font-size: 1.6rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    color: #ffffff;
    cursor: pointer;
    position: absolute;
    right: 5%;
    top: 18px;
    z-index: 1100;
}

.main-nav {
    display: table-cell;
    vertical-align: middle;
    width: 65%;
    text-align: right;
}

.nav-list {
    display: table;
    width: 100%;
    table-layout: auto;
}

.nav-item {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 16px;
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.3s ease;
    border-radius: 4px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-link.active {
    background: #00B4D8;
}

.masthead {
    background: linear-gradient(135deg, #0077B6 0%, #00B4D8 100%);
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

.masthead h1 {
    font-size: 2.8rem;
    margin-bottom: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.masthead p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    line-height: 1.7;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.header-block {
    background: #f0f0f0;
    padding: 60px 0;
    border-bottom: 3px solid #0077B6;
}

.header-block h1 {
    color: #0077B6;
    font-size: 2.4rem;
    margin-bottom: 18px;
    text-align: center;
    font-weight: 700;
}

.header-block p {
    text-align: center;
    font-size: 1.15rem;
    color: #555555;
    max-width: 800px;
    margin: 0 auto;
}

.article-section {
    padding: 70px 0;
}

.content-block {
    padding: 60px 0;
    background: #ffffff;
}

.information-area {
    padding: 65px 0;
    background: #f9f9f9;
}

.detail-section {
    padding: 70px 0;
}

.article-section h2,
.content-block h2,
.information-area h2,
.detail-section h2 {
    color: #0077B6;
    font-size: 2.1rem;
    margin-bottom: 28px;
    font-weight: 700;
    text-align: center;
}

.article-section h3,
.content-block h3,
.information-area h3,
.detail-section h3 {
    color: #00B4D8;
    font-size: 1.6rem;
    margin-bottom: 18px;
    font-weight: 600;
}

.article-section p,
.content-block p,
.information-area p,
.detail-section p {
    margin-bottom: 18px;
    line-height: 1.75;
    color: #444444;
}

.content-table {
    display: table;
    width: 100%;
    table-layout: fixed;
    border-spacing: 20px 0;
}

.layout-wrapper {
    display: table;
    width: 100%;
    table-layout: auto;
    margin-bottom: 40px;
}

.section-grid {
    display: table;
    width: 100%;
    table-layout: fixed;
    border-spacing: 24px;
    margin-top: 35px;
}

.content-flow {
    display: table;
    width: 100%;
    table-layout: auto;
}

.content-card {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    padding: 28px;
    margin-bottom: 24px;
    display: table-cell;
    width: 33.33%;
    vertical-align: top;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
}

.content-card:hover {
    box-shadow: 0 4px 16px rgba(0,119,182,0.15);
}

.information-box {
    background: #f0f0f0;
    padding: 32px;
    margin-bottom: 30px;
    display: table-cell;
    vertical-align: middle;
    border-left: 4px solid #0077B6;
    border-radius: 4px;
}

.feature-panel {
    background: #ffffff;
    padding: 30px;
    margin-bottom: 28px;
    display: table-cell;
    width: 50%;
    vertical-align: top;
    border: 2px solid #00B4D8;
    border-radius: 8px;
}

.detail-card {
    background: #ffffff;
    padding: 26px;
    margin-bottom: 22px;
    display: block;
    border-radius: 5px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.1);
}

.content-card h3,
.information-box h3,
.feature-panel h3,
.detail-card h3 {
    color: #0077B6;
    margin-bottom: 16px;
    font-size: 1.4rem;
    font-weight: 600;
}

.content-card p,
.information-box p,
.feature-panel p,
.detail-card p {
    color: #555555;
    line-height: 1.7;
    margin-bottom: 14px;
}

.submit-form {
    background: #0077B6;
    color: #ffffff;
    padding: 14px 32px;
    border: none;
    border-radius: 5px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.3s ease;
}

.submit-form:hover {
    background: #005a8c;
}

.contact-button {
    background: #00B4D8;
    color: #ffffff;
    padding: 12px 28px;
    border: 2px solid #00B4D8;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.contact-button:hover {
    background: #0096b8;
    border-color: #0096b8;
}

.action-link {
    background: transparent;
    color: #0077B6;
    padding: 10px 24px;
    border: 2px solid #0077B6;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.action-link:hover {
    background: #0077B6;
    color: #ffffff;
}

.click-here {
    background: #90E0EF;
    color: #005a8c;
    padding: 11px 26px;
    border: none;
    border-radius: 5px;
    font-size: 0.98rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.3s ease;
}

.click-here:hover {
    background: #76d5eb;
}

.form-wrapper {
    max-width: 680px;
    margin: 0 auto;
    background: #f0f0f0;
    padding: 38px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.form-wrapper h3 {
    color: #0077B6;
    margin-bottom: 24px;
    font-size: 1.8rem;
    text-align: center;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333333;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background: #ffffff;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #0077B6;
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.testimonial-wrapper {
    display: table;
    width: 100%;
    table-layout: fixed;
    border-spacing: 20px;
    margin-top: 40px;
}

.testimonial-card {
    display: table-cell;
    width: 50%;
    vertical-align: top;
    background: #ffffff;
    padding: 30px;
    border-left: 4px solid #00B4D8;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.testimonial-card p {
    font-style: italic;
    color: #555555;
    margin-bottom: 18px;
    line-height: 1.8;
}

.testimonial-author {
    color: #0077B6;
    font-weight: 700;
    font-style: normal;
    text-align: right;
}

.faq-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    padding: 24px;
    margin-bottom: 18px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    border-left: 4px solid #0077B6;
}

.faq-question {
    color: #0077B6;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.faq-answer {
    color: #555555;
    line-height: 1.75;
}

.team-wrapper {
    display: table;
    width: 100%;
    table-layout: fixed;
    border-spacing: 30px;
    margin-top: 45px;
}

.team-member {
    display: table-cell;
    width: 33.33%;
    vertical-align: top;
    text-align: center;
    background: #ffffff;
    padding: 28px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.team-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background: #f0f0f0;
    border: 4px solid #00B4D8;
}

.team-name {
    color: #0077B6;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.team-role {
    color: #00B4D8;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.team-bio {
    color: #555555;
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer {
    background: #0077B6;
    color: #ffffff;
    padding: 50px 0 30px;
    margin-top: 60px;
}

.footer-table {
    display: table;
    width: 100%;
    table-layout: fixed;
    border-spacing: 30px;
}

.footer-column {
    display: table-cell;
    width: 33.33%;
    vertical-align: top;
}

.footer h3 {
    color: #90E0EF;
    font-size: 1.3rem;
    margin-bottom: 18px;
    font-weight: 700;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #90E0EF;
}

.footer-contact p {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    color: #90E0EF;
}

.list-style-check {
    list-style: none;
    padding-left: 0;
}

.list-style-check li {
    padding-left: 30px;
    position: relative;
    margin-bottom: 12px;
}

.list-style-check li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #009900;
    font-weight: 700;
    font-size: 1.2rem;
}

.alert-success {
    background: #e6ffe6;
    border-left: 4px solid #009900;
    padding: 16px 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    color: #006600;
}

.alert-info {
    background: #e6f5ff;
    border-left: 4px solid #0066cc;
    padding: 16px 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    color: #004499;
}

.alert-warning {
    background: #fff5e6;
    border-left: 4px solid #ff9900;
    padding: 16px 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    color: #cc7700;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }

.pt-1 { padding-top: 10px; }
.pt-2 { padding-top: 20px; }
.pt-3 { padding-top: 30px; }

.pb-1 { padding-bottom: 10px; }
.pb-2 { padding-bottom: 20px; }
.pb-3 { padding-bottom: 30px; }

.span-2 {
    width: 66.66%;
}

@media screen and (max-width: 1050px) {
    .container {
        width: 92%;
    }

    .masthead h1 {
        font-size: 2.3rem;
    }

    .masthead p {
        font-size: 1.15rem;
    }

    .content-table,
    .section-grid {
        border-spacing: 16px;
    }
}

@media screen and (max-width: 850px) {
    .nav-container {
        display: block;
        position: relative;
    }

    .logo {
        display: block;
        width: 100%;
        text-align: center;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background: #0077B6;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        z-index: 999;
    }

    .main-nav.active {
        display: block;
    }

    .nav-list {
        display: block;
    }

    .nav-item {
        display: block;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link {
        display: block;
        padding: 16px 20px;
    }

    .masthead {
        padding: 60px 0;
    }

    .masthead h1 {
        font-size: 2rem;
    }

    .header-block h1 {
        font-size: 2rem;
    }

    .content-table,
    .section-grid,
    .testimonial-wrapper,
    .team-wrapper,
    .footer-table {
        display: block;
    }

    .content-card,
    .information-box,
    .feature-panel,
    .testimonial-card,
    .team-member,
    .footer-column {
        display: block;
        width: 100%;
        margin-bottom: 24px;
    }

    .layout-wrapper {
        display: block;
    }
}

@media screen and (max-width: 575px) {
    html {
        font-size: 15px;
    }

    .container {
        width: 94%;
    }

    .masthead {
        padding: 45px 0;
    }

    .masthead h1 {
        font-size: 1.75rem;
    }

    .masthead p {
        font-size: 1.05rem;
    }

    .header-block {
        padding: 45px 0;
    }

    .header-block h1 {
        font-size: 1.65rem;
    }

    .article-section,
    .content-block,
    .information-area,
    .detail-section {
        padding: 45px 0;
    }

    .article-section h2,
    .content-block h2,
    .information-area h2,
    .detail-section h2 {
        font-size: 1.75rem;
    }

    .content-card,
    .information-box,
    .feature-panel,
    .detail-card {
        padding: 20px;
    }

    .form-wrapper {
        padding: 28px 20px;
    }

    .submit-form,
    .contact-button {
        width: 100%;
        text-align: center;
    }

    .footer {
        padding: 40px 0 20px;
    }

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