* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    scroll-behavior: smooth;
}

body {
    background: linear-gradient(180deg,
            rgb(95, 178, 255) 0%,
            rgb(83, 167, 247) 10%,
            rgb(55, 146, 221) 20%,
            rgb(11, 80, 145) 30%,
            rgb(6, 50, 92) 40%,
            rgb(3, 31, 71) 50%,
            rgb(2, 18, 65) 80%,
            rgb(1, 11, 41) 90%,
            rgb(0, 1, 2) 100%);
    background-attachment: scroll;

}

#lang-toggle-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    color: #00f0ff;
    border: 1px solid #00f0ff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: all 0.2s ease;
}

#lang-toggle-btn:hover {
    background: #00f0ff;
    color: #000;
    box-shadow: 0 0 10px #00f0ff;
}

.zone {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4rem 2rem;
}

.cim {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-bottom: 2rem;
}

h2 {
    text-align: center;
    color: white;
    font-size: 3rem;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.meter {
    font-size: 2rem;
    opacity: 0.9;
}

.vonal {
    width: 60%;
    height: 0.2rem;
    background-color: white;
    border: none;
    border-radius: 0.5rem;
    margin: 0.8rem 0;
}


.capa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
}

.capa-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    color: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}

.capa-card:hover {
    transform: translateY(-5px);
}

.capa-img {
    width: 100%;
    height: 180px;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
    object-position: center;
}

.capa-card h3 {
    font-size: 1.4rem;
    margin: 0.5rem 0;
    text-align: center;
}

.capa-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.9;
    text-align: justify;
}


.info-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px dashed rgba(255, 255, 255, 0.4);
    border-radius: 15px;
    padding: 2rem;
    color: white;
    max-width: 700px;
    text-align: center;
    margin-top: 2rem;
}


#depth-scrollbar {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 10px;
    height: calc(100vh - 40px);
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    z-index: 1000;
}

#depth-track {
    width: 100%;
    height: 100%;
    position: relative;
}

#depth-thumb {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: #00f0ff;
    border-radius: 50%;
    box-shadow: 0 0 10px #00f0ff;
}

#depth-text {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: #00f0ff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: bold;
    white-space: nowrap;
    border: 1px solid #00f0ff;
}

.site-footer {
    width: 100%;
    text-align: center;
    padding: 1.5rem 0;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
}

.site-footer p {
    margin: 0;
}