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

/* Construction Banner */
.construction-banner {
    background-color: #f39c12;
    color: #fff;
    text-align: center;
    padding: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 1000;
    width: 100%;
}

body {
    font-family: 'Open Sans', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header */
.site-header {
    background-color: #18454f; /* Matches mockup dark teal */
    color: white;
    padding: 15px 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    font-size: 2.8rem;
    font-weight: 300;
    letter-spacing: -1px;
}

.logo-ge {
    color: #79bcc9; /* Light blue */
}

.logo-gtf {
    color: #ffffff;
}

.logo-text {
    font-size: 0.5rem;
    line-height: 1.1;
    letter-spacing: 0.5px;
    color: #a3c4cf;
    border-left: 1px solid rgba(255,255,255,0.2);
    padding-left: 15px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.main-nav a {
    color: #e0f0f5;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: #fff;
}

.main-nav .separator {
    color: #4a7781;
}

.search-area {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 2px;
    overflow: hidden;
}

.search-area input {
    border: none;
    padding: 8px 12px;
    outline: none;
    font-size: 0.8rem;
    width: 180px;
}

.search-area button {
    background: white;
    border: none;
    padding: 8px 10px;
    cursor: pointer;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 500px;
    background-image: url('assets/hero.jpg');
    background-size: cover;
    background-position: center 20%;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero-top-text {
    text-align: center;
    color: white;
    padding-top: 20px;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.8);
}

.hero-bottom-banner {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px 0;
}

.hero-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-banner-text {
    color: white;
}

.hero-banner-text h2 {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.hero-banner-text p {
    font-size: 1rem;
    color: #ddd;
}

.btn-outline {
    display: inline-block;
    padding: 10px 25px;
    border: 1px solid #5a8a95;
    background: rgba(24, 69, 79, 0.5);
    color: white;
    font-size: 0.9rem;
    border-radius: 3px;
    transition: all 0.2s;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.btn-outline:hover {
    background: rgba(24, 69, 79, 0.9);
    border-color: #79a7b5;
}

/* Content Section */
.content-section {
    flex: 1;
    padding: 50px 0;
    background-color: #fff;
}

.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
}

.column-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #333;
    text-transform: uppercase;
}

/* Lists and Items */
.rfc-list, .news-list, .wg-list {
    display: flex;
    flex-direction: column;
}

/* Scrollable List for RFCs */
.scrollable-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #eaeaea;
    padding: 15px;
    background: #fafafa;
}

/* Custom Scrollbar for scrollable-list */
.scrollable-list::-webkit-scrollbar {
    width: 8px;
}
.scrollable-list::-webkit-scrollbar-track {
    background: #f1f1f1;
}
.scrollable-list::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}
.scrollable-list::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

.rfc-item {
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
}

.rfc-item:first-child {
    padding-top: 0;
}

.rfc-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.rfc-item h4 {
    font-size: 0.95rem;
    font-weight: 400;
    margin-bottom: 2px;
    color: #18454f;
}

.rfc-item h4 a:hover {
    text-decoration: underline;
}

.rfc-item .status {
    font-size: 0.8rem;
    color: #888;
}

.news-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
    align-items: flex-start;
}

.news-item:first-child {
    padding-top: 0;
}

.news-thumb {
    width: 90px;
    height: 60px;
    object-fit: cover;
    border-radius: 2px;
}

.news-text {
    font-size: 0.95rem;
    color: #18454f;
    line-height: 1.4;
}

.news-text a:hover {
    text-decoration: underline;
}

.wg-list {
    border-top: 1px solid #e0e0e0;
}

.wg-item {
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 1rem;
    color: #18454f;
}

.wg-item a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background-color: #3a3b3c;
    color: #b0b0b0;
    padding: 20px 0;
    font-size: 0.85rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Responsive */
@media (max-width: 900px) {
    .content-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .header-container {
        flex-direction: column;
        gap: 15px;
    }

    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-banner-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}