:root {
    --bg: #0f172a;
    --card: #1e293b;
    --accent: #38bdf8;
    --text: #e5e7eb;
}

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700&display=swap');

* {
    box-sizing: border-box;
}

body {
    background-image: url("../images/bg.jpg");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}


header, footer {
    background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.85),
        rgba(2, 6, 23, 0.95)
    );
    padding: clamp(2rem, 5vw, 3.5rem) 1.5rem;
    font-family: 'Orbitron', system-ui, sans-serif;
    text-align: center;
    border-bottom: 2px solid rgba(56, 189, 248, 0.35);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    border-radius: 12px;
}


h1 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h2 {
    font-size: clamp(1.1rem, 2vw, 1.6rem);
}

header h1, footer h1 {
    color: #f8fafc;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
    text-shadow:
        0 2px 6px rgba(56, 189, 248, 0.35),
        0 0 18px rgba(56, 189, 248, 0.35);
}

header h2, footer h2 {
    color: #cbd5f5;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 400;
    max-width: 820px;
    margin: 0 auto;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}


main {
    max-width: 1100px;
    margin: auto;
    padding: 1rem;
}

.info-section {
    max-width: 1100px;
    margin: 1rem auto;
    padding: 1rem;
    background: var(--card);
    border-radius: 10px;
}


.info-section h3,
.info-section h4 {
    color: #ffffff;
    text-decoration: underline;
}

.info-section p {
    color: #ffffff;
}

.card {
    margin-bottom: 1rem;
    border-radius: 12px;
    overflow: hidden;
    background: var(--card);
}

.card.research .card-header { color: #38bdf8; }       /* Blue */
.card.upgrading .card-header { color: #22c55e; }      /* Green */
.card.daily .card-header { color: #facc15; }          /* Yellow */
.card.events .card-header { color: #a855f7; }         /* Purple */
.card.roe .card-header { color: gold; }            /* Red/Pink */
.card.finding-missions .card-header { color: #60a5fa; }/* Light Blue */
.card.where .card-header { color: tan; }
.card.war .card-header { color: red; }

.card-header {
    width: 100%;
    background: none;
    border: none;
    padding: 1rem;
    font-size: clamp(1rem, 2vw, 1.2rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.card-content {
    display: none;
    padding: 1rem;
}

.card-content h1,
.card-content h2 {
 font-family: 'Orbitron', system-ui, sans-serif;
 color: #fff;
 text-shadow:
        0 2px 6px rgba(56, 189, 248, 0.35),
        0 0 18px rgba(56, 189, 248, 0.35);
}



.sub-card {
    margin-top: 0.75rem;
    border: 1px solid #334155;
    border-radius: 8px;
}

.sub-header {
    width: 100%;
    background: #020617;
    color: var(--text);
    border: none;
    padding: 0.75rem;
    cursor: pointer;
}

.sub-content {
    display: none;
    padding: 0.75rem;
}

p {
    color: white;
}

.link-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.link-btn {
    width: 100%;
    text-align: center;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: #020617;
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.link-btn i {
    margin-right: 0.5rem;
}

.link-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(56, 189, 248, 0.4);
}