/* ============================================
   TECOM BİLİŞİM — Minimal Dark Mode Stylesheet
   ============================================ */

/* --- BASE --- */
* { box-sizing: border-box; }
body { background: #0a0a0f; color: #e2e8f0; font-family: 'Space Grotesk', sans-serif; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0a0a0f; }
::-webkit-scrollbar-thumb { background: #00f0ff33; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #00f0ff66; }

/* --- NAVBAR --- */
.glass-nav {
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.08);
}
.nav-link { position: relative; padding-bottom: 4px; }
.nav-link::after {
    content: ''; position: absolute; width: 0; height: 2px; bottom: 0; left: 0;
    background: #00f0ff; transition: width 0.3s ease; border-radius: 1px;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: #00f0ff; }

/* --- HERO ORBIT --- */
.orbit-container { position: relative; width: 420px; height: 420px; }
.orbit-ring {
    position: absolute; border-radius: 50%;
    border: 1px solid rgba(0, 240, 255, 0.1);
    top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.orbit-ring-1 { width: 200px; height: 200px; animation: spin 12s linear infinite; }
.orbit-ring-2 { width: 300px; height: 300px; animation: spin 20s linear infinite reverse; }
.orbit-ring-3 { width: 400px; height: 400px; animation: spin 30s linear infinite; border-color: rgba(0, 240, 255, 0.05); }
.orbit-dot {
    position: absolute; width: 8px; height: 8px; border-radius: 50%;
    background: #00f0ff; box-shadow: 0 0 12px #00f0ff, 0 0 30px #00f0ff44;
}
.orbit-ring-1 .orbit-dot { top: -4px; left: 50%; transform: translateX(-50%); }
.orbit-ring-2 .orbit-dot { top: 50%; right: -4px; transform: translateY(-50%); }
.orbit-ring-2 .orbit-dot-2 { bottom: -4px; left: 50%; transform: translateX(-50%); top: auto; right: auto; }
.orbit-ring-3 .orbit-dot { bottom: -4px; left: 50%; transform: translateX(-50%); }
.orbit-core {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 80px; height: 80px; border-radius: 50%;
    background: radial-gradient(circle, #00f0ff22, transparent);
    border: 1px solid rgba(0, 240, 255, 0.2);
    display: flex; align-items: center; justify-content: center;
}
.orbit-core i { color: #00f0ff; font-size: 1.5rem; }
@keyframes spin {
    0%   { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* --- GLASSMORPHISM CARDS --- */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.glass-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), transparent);
    opacity: 0; transition: opacity 0.4s;
}
.glass-card::after {
    content: '';
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 70%; height: 60%;
    background: radial-gradient(ellipse at top center, rgba(0, 240, 255, 0.06), transparent 70%);
    opacity: 0; transition: opacity 0.4s;
    pointer-events: none;
}
.glass-card:hover::before { opacity: 1; }
.glass-card:hover::after { opacity: 1; }
.glass-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 240, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 240, 255, 0.05);
}

/* --- REVEAL ANIMATION --- */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* --- SLIDER --- */
.slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0; transition: opacity 1s ease-in-out;
    background-position: center; background-color: #0a0a0f;
}
.slide-cover { background-size: cover; }
.slide-contain { background-size: contain; background-repeat: no-repeat; }
.slide.active { opacity: 1; z-index: 1; }

.hero-overlay {
    background: linear-gradient(to right, rgba(10, 10, 15, 0.97) 0%, rgba(10, 10, 15, 0.85) 50%, rgba(10, 10, 15, 0.5) 100%);
}

/* --- SLIDER DASH --- */
.dash {
    height: 3px; width: 30px; background: rgba(255,255,255,0.1);
    cursor: pointer; transition: all 0.4s ease; border-radius: 2px;
}
.dash.active { background: #00f0ff; width: 50px; box-shadow: 0 0 12px #00f0ff88; }

/* --- REF BOX --- */
.ref-box {
    display: flex; align-items: center; justify-content: center;
    height: 70px; padding: 10px;
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px; transition: all 0.3s ease; text-decoration: none;
}
.ref-box:hover {
    background: rgba(0, 240, 255, 0.05); border-color: rgba(0, 240, 255, 0.2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); transform: translateY(-2px);
}
.ref-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600; color: #94a3b8; font-size: 0.85rem;
    text-transform: uppercase; letter-spacing: 0.1em; transition: color 0.3s;
}
.ref-box:hover .ref-text { color: #00f0ff; }

/* --- SECTION DIVIDER --- */
.section-divider {
    height: 1px; width: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.15), transparent);
}

/* --- FLOATING PARTICLES --- */
.particle {
    position: absolute; border-radius: 50%;
    background: #00f0ff; opacity: 0.15;
    animation: float linear infinite;
}
@keyframes float {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    10%  { opacity: 0.15; }
    90%  { opacity: 0.15; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

/* --- GLOW EFFECTS --- */
.cyan-glow { text-shadow: 0 0 20px rgba(0, 240, 255, 0.3); }
.icon-glow { filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4)); }

/* --- CARD BACKGROUND SVG --- */
.card-bg-svg {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 140px;
    height: 140px;
    opacity: 0.04;
    transition: opacity 0.4s ease;
    pointer-events: none;
    color: #00f0ff;
}
.glass-card:hover .card-bg-svg {
    opacity: 0.08;
}

/* --- GEOMETRIC BG PATTERN --- */
.geo-grid {
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}