/* ============================================================
   SUNDORI DRONE -- shared styles (nav / mobile menu / footer)
   ============================================================ */
:root { --sdr-blue: #4A90D9; }

/* section headings Pretendard SemiBold (except index hero) */
body:not(.page-index) section h2,
body:not(.page-index) section h3 { font-weight: 600 !important; }

/* nav-right (toggle + menu group) */
.nav-right { display: none; align-items: center; gap: 28px; }
@media (min-width: 1024px) { .nav-right { display: flex; } }

/* sliding language toggle */
.lang-toggle {
    position: relative; display: flex; align-items: center;
    background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px; padding: 3px; cursor: pointer;
    user-select: none; transition: border-color 0.2s;
}
.lang-toggle:hover { border-color: rgba(255,255,255,0.25); }

.lang-slider {
    position: absolute; top: 3px; left: 3px;
    width: calc(50% - 3px); height: calc(100% - 6px);
    background: var(--sdr-blue); border-radius: 14px;
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1);
    pointer-events: none;
}
.lang-toggle.en .lang-slider { transform: translateX(100%); }

.lang-opt {
    position: relative; z-index: 1; font-size: 11px; font-weight: 700;
    letter-spacing: 0.08em; padding: 4px 11px; border-radius: 14px;
    color: rgba(255,255,255,0.4); transition: color 0.2s ease;
    pointer-events: none;
}
/* active option white -- ID (desktop) + class (mobile) */
.lang-toggle:not(.en) #lang-ko,
.lang-toggle:not(.en) .lang-ko-opt,
.lang-toggle.en #lang-en,
.lang-toggle.en .lang-en-opt { color: #fff; }

/* mobile toggle: larger touch target */
.lang-toggle-mobile { margin-top: 0.5rem; padding: 5px; border-radius: 24px; }
.lang-toggle-mobile .lang-opt { font-size: 13px; padding: 7px 18px; }

/* Korean word-boundary line break */
body { word-break: keep-all; overflow-wrap: break-word; }

/* top nav */
#main-nav {
    position: fixed; top: 0; width: 100%; z-index: 50;
    padding: 1.5rem 2.5rem;
    display: flex; justify-content: space-between; align-items: center;
    background-color: transparent; transform: translateY(0);
    transition: transform 0.45s cubic-bezier(0.22,1,0.36,1);
}
#main-nav.nav-hidden { transform: translateY(-110%); }

/* logo */
#main-nav .logo img {
    height: 2.5rem; object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0,0,0,0.55));
}
@media (min-width: 768px) { #main-nav .logo img { height: 3rem; } }

/* desktop menu */
.nav-desktop-menu {
    display: none; gap: 2.5rem; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em; align-items: center;
}
@media (min-width: 1024px) { .nav-desktop-menu { display: flex; } }

/* hamburger button */
.nav-mobile-btn {
    display: flex; align-items: center; background: transparent;
    border: none; padding: 0; color: rgba(255,255,255,0.8);
    cursor: pointer; font-size: 1.25rem;
}
@media (min-width: 1024px) { .nav-mobile-btn { display: none; } }

#main-nav .menu-link { text-shadow: 0 1px 10px rgba(0,0,0,0.65); }

/* menu link underline */
.menu-link { position: relative; letter-spacing: 0.15em; transition: color 0.3s ease; }
.menu-link::after {
    content: ''; position: absolute; width: 0; height: 2px;
    bottom: -4px; left: 0; background-color: var(--sdr-blue);
    transition: width 0.3s ease;
}
.menu-link:hover::after, .menu-link.active-nav::after { width: 100%; }
.menu-link.active-nav { color: #ffffff !important; }

/* mobile fullscreen menu */
#mobile-menu {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.96); z-index: 40;
    flex-direction: column; justify-content: center;
    align-items: center; gap: 2rem;
}
#mobile-menu.open { display: flex; }

html { scroll-behavior: smooth; }

.mobile-menu-link {
    font-size: 1.5rem; font-weight: 900; letter-spacing: 0.2em;
    text-transform: uppercase; color: rgba(255,255,255,0.6);
    transition: color 0.2s ease;
}
.mobile-menu-link:hover { color: #ffffff; }
.mobile-menu-link.active-mobile { color: var(--sdr-blue); }

/* axis-card (story.html / career.html shared) */
.axis-card {
    position: relative; padding: 28px; border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.02);
    transition: transform .4s ease, border-color .4s ease, background-color .4s ease, box-shadow .4s ease;
    overflow: hidden;
}
.axis-card::before {
    content: ''; position: absolute; top: 0; left: 24px; right: 24px;
    height: 2px; border-radius: 2px;
    background: linear-gradient(90deg, transparent, #F5A623, transparent);
    opacity: 0; transition: opacity .4s ease;
}
.axis-card:hover {
    transform: translateY(-6px); border-color: rgba(245,166,35,0.45);
    background-color: rgba(245,166,35,0.04);
    box-shadow: 0 18px 48px rgba(245,166,35,0.10);
}
.axis-card:hover::before { opacity: 1; }
.axis-ico {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(245,166,35,0.12); color: #F5A623; font-size: 20px;
    margin-bottom: 16px; transition: transform .4s ease, background-color .4s ease;
}
.axis-card:hover .axis-ico { transform: scale(1.08) rotate(-4deg); background: rgba(245,166,35,0.20); }
.axis-label {
    font-size: 16px; letter-spacing: 0.12em; font-weight: 800;
    color: #F5A623; text-transform: uppercase; margin-bottom: 12px; display: block;
}
.axis-value { font-size: 15px; color: rgba(255,255,255,0.85); font-weight: 400; line-height: 1.75; }