/* ==========================================================================
   ONEGA TECH — Minimalist Landing (SVG Bayraklı TR/EN)
   ========================================================================== */

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

html, body {
    width: 100%;
    height: 100%;
    background-color: #030304;
    color: #ffffff;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 100vh;
}

/* Arka Plan Derinlik Katmanları */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* İnce Mimari Izgara (Swiss Grid) */
.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 80%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 80%);
}

/* Yavaş Yüzen Renk Ambiyansı */
.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.07;
    animation: orbFloat 16s infinite alternate ease-in-out;
}

.orb-1 {
    top: 20%;
    left: 30%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, #00E653 0%, transparent 70%);
}

.orb-2 {
    bottom: 15%;
    right: 25%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #10B981 0%, transparent 70%);
    animation-delay: -8s;
}

@keyframes orbFloat {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0.05;
    }
    100% {
        transform: translate(40px, -30px) scale(1.15);
        opacity: 0.09;
    }
}

#bgDustCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

/* Sağ Üst Dil Seçici */
.lang-selector {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.4rem 0.8rem;
    border-radius: 100px;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.lang-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-family: inherit;
    font-size: 0.825rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s ease, opacity 0.2s ease;
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
}

.lang-btn:hover, .lang-btn.active {
    color: #ffffff;
}

.flag-svg {
    border-radius: 2px;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

.lang-divider {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.75rem;
}

/* Ana İçerik Konteyneri */
.page-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4rem 1.5rem 2rem;
    max-width: 680px;
    width: 100%;
}

/* Logo Kutusu (Sade Beyaz Zemin) */
.logo-box {
    background: #ffffff;
    padding: 20px 44px;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.logo-img {
    max-width: 260px;
    width: 100%;
    height: auto;
    display: block;
}

/* Başlık ve Açıklama */
.main-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #ffffff;
    margin-bottom: 1.25rem;
    transition: opacity 0.15s ease;
}

.main-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 3.5rem;
    transition: opacity 0.15s ease;
}

/* İnce Ayırıcı Çizgi */
.divider {
    width: 100%;
    max-width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 1.75rem;
}

/* Footer Bar (Sol: Copyright, Sağ: Designed by Tiff Medya) */
.footer-bar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.agency-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

.agency-link:hover {
    color: #00E653;
    text-decoration: underline;
}

/* Mobil Uyum */
@media (max-width: 600px) {
    .lang-selector {
        top: 1.25rem;
        right: 1.25rem;
    }

    .footer-bar {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }

    .logo-box {
        padding: 16px 30px;
    }

    .logo-img {
        max-width: 200px;
    }
}