/* ============================================================
   IC2AI 2027 — Shared Stylesheet
   Color palette:
     --navy:   #001f3f   (primary dark)
     --cyan:   #00d4ff   (accent)
     --blue:   #0d6efd   (Bootstrap primary)
   ============================================================ */

:root {
    --navy: #001f3f;
    --navy-deep: #00151e;
    --cyan: #00d4ff;
    --blue: #0d6efd;
}

/* ── Base ─────────────────────────────────────────────────── */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Logo Header ──────────────────────────────────────────── */
.logo-header {
    background-color: #ffffff;
    padding: 35px 0;
    border-bottom: 1px solid #e0e0e0;
}
.logo-header img {
    max-height: 110px;
    width: auto;
    display: block;
    margin: 0 auto;
}

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
    background-color: var(--navy) !important;
    font-weight: 500;
    font-size: 0.82rem;
    letter-spacing: 0.03em;
}
.navbar-brand {
    font-size: 1rem;
    letter-spacing: 0.05em;
}
.nav-link {
    color: #ffffff !important;
    padding-left: 0.6rem !important;
    padding-right: 0.6rem !important;
}
.nav-link:hover,
.nav-link:focus {
    color: var(--cyan) !important;
}
.nav-link.active {
    color: var(--cyan) !important;
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--navy);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0;
    min-width: 200px;
    padding: 0;
}
.dropdown-item {
    color: #cce8ff !important;
    font-size: 0.82rem;
    padding: 0.55rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover,
.dropdown-item:focus {
    background-color: rgba(0, 212, 255, 0.12);
    color: var(--cyan) !important;
}
.dropdown-toggle::after {
    margin-left: 0.3em;
}

/* ── Hero / Page Title ────────────────────────────────────── */
.hero-section {
    position: relative;
    background: var(--navy-deep);
    background-image: linear-gradient(rgba(0,21,30,0.78), rgba(0,21,30,0.88)),
                      url('../assets/img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    padding: 110px 0;
    text-align: center;
}

.page-title-section {
    background: var(--navy-deep);
    background-image: linear-gradient(rgba(0,21,30,0.82), rgba(0,21,30,0.92)),
                      url('../assets/img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

/* ── Countdown Sidebar ────────────────────────────────────── */
.sidebar-timer {
    background: var(--navy);
    color: white;
    padding: 20px;
    border-radius: 8px 8px 0 0;
    text-align: center;
}
.countdown-container {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}
.countdown-box {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 8px;
    border-radius: 4px;
    min-width: 58px;
}
.count-num {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--cyan);
    display: block;
    line-height: 1.1;
}
.count-label {
    font-size: 0.52rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #aaa;
}

/* ── Important Dates Sidebar ──────────────────────────────── */
.important-dates {
    background: #f8f9fa;
    border-left: 5px solid var(--blue);
    border-right: 1px solid #dee2e6;
    border-bottom: 1px solid #dee2e6;
    padding: 25px;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
}
.important-dates li {
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 8px;
    margin-bottom: 8px;
}
.important-dates li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* ── Section headings with cyan underline ─────────────────── */
.section-heading {
    color: var(--navy);
    border-bottom: 3px solid var(--cyan);
    padding-bottom: 10px;
    margin-top: 40px;
    margin-bottom: 25px;
    font-weight: 700;
}

/* ── Member / info cards ──────────────────────────────────── */
.member-card {
    margin-bottom: 18px;
    padding: 14px 16px;
    background: #f8f9fa;
    border-left: 4px solid var(--blue);
    border-radius: 0 4px 4px 0;
    transition: transform 0.18s, background 0.18s;
}
.member-card:hover {
    transform: translateX(4px);
    background: #eef2ff;
}
.role-title {
    color: var(--blue);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
}
.member-name {
    font-size: 1.05rem;
    font-weight: 700;
    display: block;
    margin-top: 2px;
}
.member-affiliation {
    font-style: italic;
    font-size: 0.9rem;
    color: #555;
    display: block;
}

/* ── Table shared styles ──────────────────────────────────── */
.table-navy thead {
    background-color: var(--navy);
    color: #fff;
}
.date-highlight {
    color: var(--blue);
    font-weight: 700;
}

/* ── Info / venue cards ───────────────────────────────────── */
.info-card {
    background: #f8f9fa;
    border-top: 4px solid var(--blue);
    padding: 25px;
    height: 100%;
    border-radius: 0 0 8px 8px;
}

/* ── Announcement / news bar ──────────────────────────────── */
.news-bar {
    background: var(--cyan);
    color: var(--navy);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 8px 0;
    overflow: hidden;
    white-space: nowrap;
}
.news-bar .marquee {
    display: inline-block;
    animation: marquee 30s linear infinite;
}
@keyframes marquee {
    0%   { transform: translateX(100vw); }
    100% { transform: translateX(-100%); }
}

/* ── Footer ───────────────────────────────────────────────── */
footer.site-footer {
    background-color: #0a0a0a;
    color: #ccc;
    padding: 40px 0 20px;
}
footer.site-footer a {
    color: var(--cyan);
    text-decoration: none;
}
footer.site-footer a:hover { text-decoration: underline; }
footer.site-footer .footer-divider {
    border-color: rgba(255,255,255,0.1);
    margin: 20px 0;
}

/* ── Responsive tweaks ────────────────────────────────────── */
@media (max-width: 991px) {
    .navbar { font-size: 0.9rem; }
    .dropdown-menu { border: none; background: rgba(0,31,63,0.95); }
}