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

:root {
    --c-dark: #0b1222;
    --c-light: #eef1f6;
    --c-white: #ffffff;
    --c-text: #3b4256;
    --c-accent: #e04f5f;
    --c-heading: #0b1222;
    --c-footer-bg: #0e1726;
    --c-footer-txt: #7a8599;
    --c-muted: #9aa3b4;
    --c-card: #f6f7fa;
    --f-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--f-main); color: var(--c-text); line-height: 1.7; font-size: 1.05rem; background: var(--c-white); }
img { max-width: 100%; height: auto; }
a { color: var(--c-accent); text-decoration: none; }
a:hover { opacity: 0.85; }

/* ===== TOPBAR ===== */
._tb {
    position: relative;
    z-index: 100;
    padding: 18px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
._tb-logo { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em; }
._tb-logo a { display: flex; align-items: center; text-decoration: none; }
._tb-logo img { display: block; }

._tb-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
._tb-nav a { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; transition: opacity 0.2s; }
._tb-nav a:hover { opacity: 0.75; }

/* ===== LANG SWITCHER ===== */
._ls-wrap { position: relative; }
._ls-box { position: relative; }

._ls-btn {
    display: flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.1); border: 1px solid currentColor;
    color: inherit; font-size: 0.8rem; font-weight: 700;
    padding: 5px 14px; border-radius: 4px; cursor: pointer;
    transition: all 0.2s; font-family: inherit; text-transform: uppercase; letter-spacing: 0.05em;
}
._ls-btn:hover { background: rgba(255,255,255,0.2); }
._ls-chv { transition: transform 0.2s; }
._ls-box._ls-open ._ls-chv { transform: rotate(180deg); }

._ls-list {
    display: none; position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--c-white); border-radius: 6px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.18);
    list-style: none; margin: 0; padding: 6px 0;
    min-width: 72px; z-index: 300; max-height: 240px; overflow-y: auto;
}
._ls-box._ls-open ._ls-list { display: block; }
._ls-list li a { display: block; padding: 7px 18px; color: var(--c-text); font-size: 0.8rem; font-weight: 700; text-align: center; transition: background 0.15s; letter-spacing: 0.05em; }
._ls-list li a:hover { background: var(--c-light); opacity: 1; color: var(--c-text); }
._ls-list li a._ls-cur { color: var(--c-accent); }

._mv ._ls-btn { font-size: 1rem; padding: 10px 20px; }
._mv ._ls-list { position: static; box-shadow: none; background: rgba(255,255,255,0.08); border-radius: 6px; margin-top: 10px; max-height: 200px; }
._mv ._ls-list li a { color: inherit; font-size: 1rem; }
._mv ._ls-list li a:hover { background: rgba(255,255,255,0.1); }
._mv ._ls-list li a._ls-cur { color: var(--c-accent); }

/* ===== BURGER ===== */
._brgr {
    display: none; background: none; border: none; cursor: pointer;
    padding: 10px; position: fixed; top: 16px; right: 16px; z-index: 210;
}
._brgr i { display: block; width: 24px; height: 2px; border-radius: 1px; transition: all 0.3s ease; }
._brgr i + i { margin-top: 6px; }
._brgr._brgr-x i:nth-child(1) { transform: rotate(45deg) translate(4px, 7px); }
._brgr._brgr-x i:nth-child(2) { opacity: 0; }
._brgr._brgr-x i:nth-child(3) { transform: rotate(-45deg) translate(4px, -7px); }

/* ===== MOBILE OVERLAY ===== */
._mv {
    display: none; position: fixed; inset: 0; z-index: 200;
    flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
._mv._mv-on { display: flex; }
._mv-x {
    position: absolute; top: 16px; right: 16px; background: none;
    border: none; font-size: 2.4rem; cursor: pointer; padding: 5px 12px;
    line-height: 1; z-index: 211;
}
._mv-x:hover { opacity: 0.7; }
._mv a { font-size: 1.3rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; transition: opacity 0.2s; }
._mv a:hover { opacity: 0.7; }
._mv ._ls-wrap { font-size: 1rem; }
._mv ._ls-wrap a { font-size: 1rem; padding: 5px 10px; }

/* ===== PAGE FLOW ===== */
._pg { display: flex; flex-direction: column; }
._pg > ._hero { order: 1; }
._pg > ._art { order: 2; }
._pg > ._fq { order: 3; }

/* ===== HERO ===== */
._hero {
    position: relative; width: 100%; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; background-color: var(--c-dark);
    background-size: cover; background-position: center; overflow: hidden;
}
._hero::before {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: var(--ho-col, var(--c-dark));
    opacity: var(--ho-opa, 0.7);
}

._hero-in { position: relative; z-index: 2; max-width: 640px; width: 100%; padding: 50px 24px; }
._hero-tit {
    color: var(--c-light); font-size: calc(1.8rem + 1.8vw); font-weight: 900;
    line-height: 1.1; margin-bottom: 14px; display: block; text-transform: uppercase; letter-spacing: -0.02em;
}
._hero-sub { color: rgba(238,241,246,0.75); font-size: 1.05rem; font-weight: 400; margin-bottom: 40px; line-height: 1.6; }
._hero-above { color: var(--c-light); font-size: 1.25rem; font-weight: 800; margin-bottom: 28px; text-transform: uppercase; letter-spacing: 0.03em; }

._hero-acts { display: flex; flex-direction: row; justify-content: center; align-items: stretch; gap: 14px; margin-bottom: 28px; flex-wrap: wrap; }
a._hbtn, ._hbtn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    text-decoration: none; transition: transform 0.15s ease, box-shadow 0.15s ease;
    padding: 16px 44px; border-radius: 6px; white-space: nowrap;
    font-weight: 800; font-size: 0.95rem; cursor: pointer; border: none;
    box-shadow: 0 6px 24px rgba(0,0,0,0.25);
    text-transform: uppercase; letter-spacing: 0.04em;
}
._hbtn:hover { transform: translateY(-3px); opacity: 1; box-shadow: 0 10px 36px rgba(0,0,0,0.35); }
._hbtn img { width: 20px; height: 20px; object-fit: contain; border-radius: 0; }
._hbtn-ico { font-size: 18px; line-height: 1; }
._hbtn-lbl { color: #fff; font-size: 0.95rem; font-weight: 800; display: inline; }
._hero-below { color: rgba(238,241,246,0.6); font-size: 0.9rem; font-weight: 400; line-height: 1.5; }

/* ===== ARTICLE (content) ===== */
._art {
    display: grid; grid-template-columns: 6px 1fr;
    max-width: 840px; margin: 0 auto; padding: 80px 24px;
    gap: 0 32px;
}
._art-side {
    background: linear-gradient(180deg, var(--c-accent) 0%, transparent 100%);
    border-radius: 3px;
    min-height: 100%;
}
._art-main { min-width: 0; }
._art-h1 {
    font-size: 2rem; font-weight: 900; margin-bottom: 32px; color: var(--c-heading);
    line-height: 1.2;
}
._art-body h2 {
    font-size: 1.5rem; font-weight: 900; margin: 48px 0 16px; color: var(--c-heading);
    line-height: 1.25;
}
._art-body h3 { font-size: 1.2rem; font-weight: 800; margin: 36px 0 12px; color: var(--c-heading); }
._art-body p { margin-bottom: 20px; font-size: 1.05rem; line-height: 1.9; }
._art-body ul, ._art-body ol { margin: 0 0 20px 26px; }
._art-body li { margin-bottom: 8px; line-height: 1.8; }
._art-body blockquote {
    margin: 30px 0; padding: 20px 24px; font-style: italic;
    background: var(--c-card); border-radius: 0 8px 8px 0;
    border-left: 4px solid var(--c-accent);
}
._art-body img { border-radius: 8px; margin: 20px 0; }

/* ===== FAQ GRID ===== */
._fq { max-width: 840px; margin: 0 auto; padding: 0 24px 80px; }
._fq-h {
    font-size: 1.5rem; font-weight: 900; margin-bottom: 36px; color: var(--c-heading);
    text-align: center; line-height: 1.2;
}
._fq-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px;
}
._fq-card {
    background: var(--c-card); border-radius: 10px; padding: 28px 24px;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}
._fq-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.08); }
._fq-num {
    display: block; font-size: 2.4rem; font-weight: 900;
    color: var(--c-accent); opacity: 0.2; line-height: 1; margin-bottom: 12px;
    letter-spacing: -0.03em;
}
._fq-q { font-size: 1rem; font-weight: 700; color: var(--c-heading); margin-bottom: 10px; line-height: 1.4; }
._fq-a { font-size: 0.92rem; color: var(--c-text); line-height: 1.7; margin: 0; }

/* ===== FOOTER (split) ===== */
._end {
    background: var(--c-footer-bg); padding: 32px 40px; padding-bottom: 80px;
}
._end-in {
    max-width: 1000px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; flex-wrap: wrap;
}
._end-left { }
._end-copy { font-size: 0.82rem; color: var(--c-footer-txt); }
._end-right { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
._end-right a {
    font-size: 0.78rem; color: var(--c-footer-txt); transition: color 0.2s;
    text-transform: uppercase; letter-spacing: 0.05em;
}
._end-right a:hover { color: var(--c-light); opacity: 1; }

/* ===== FLOATING PILL (sticky) ===== */
._pill {
    position: fixed; bottom: 20px; left: 50%; z-index: 150;
    transform: translateX(-50%) translateY(120px);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    background: var(--c-dark); border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.35);
    display: flex; align-items: center; gap: 14px;
    padding: 10px 12px 10px 24px;
    white-space: nowrap;
}
._pill._pill-vis { transform: translateX(-50%) translateY(0); }
._pill-tx {
    color: var(--c-light); font-size: 0.88rem; font-weight: 700;
    overflow: hidden; text-overflow: ellipsis;
}
._pill-a {
    display: inline-block; color: #fff; font-size: 0.8rem; font-weight: 800;
    padding: 8px 22px; border-radius: 50px; text-decoration: none;
    transition: transform 0.2s; flex-shrink: 0;
    text-transform: uppercase; letter-spacing: 0.03em;
}
._pill-a:hover { transform: scale(1.06); opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    ._tb { padding: 12px 16px !important; }
    ._tb-nav { display: none !important; }
    ._brgr { display: flex; flex-direction: column; }
    ._hero-tit { font-size: 1.5rem; }
    ._hero-sub { font-size: 0.9rem; margin-bottom: 28px; }
    ._hero-above { font-size: 1.05rem; margin-bottom: 18px; }
    ._hero-acts { gap: 10px; flex-direction: column; align-items: center; }
    ._hbtn { padding: 14px 28px; width: 100%; max-width: 300px; }
    ._hbtn img { width: 18px; height: 18px; }
    ._hbtn-ico { font-size: 16px; }
    ._hero-below { font-size: 0.82rem; }
    ._art { grid-template-columns: 4px 1fr; gap: 0 18px; padding: 50px 16px; }
    ._art-h1 { font-size: 1.6rem; }
    ._art-body h2 { font-size: 1.3rem; }
    ._fq { padding: 0 16px 50px; }
    ._fq-grid { grid-template-columns: 1fr; gap: 14px; }
    ._fq-card { padding: 22px 20px; }
    ._fq-num { font-size: 1.8rem; margin-bottom: 8px; }
    ._tb ._tb-logo img { height: 32px !important; width: auto !important; }
    ._end { padding: 24px 16px; padding-bottom: 80px; }
    ._end-in { flex-direction: column; align-items: center; text-align: center; gap: 12px; }
    ._end-right { justify-content: center; }
    ._pill { left: 16px; right: 16px; transform: translateX(0) translateY(120px); border-radius: 14px; padding: 10px 16px; gap: 10px; justify-content: center; flex-wrap: wrap; }
    ._pill._pill-vis { transform: translateX(0) translateY(0); }
    ._pill-tx { font-size: 0.8rem; white-space: normal; text-align: center; }
    ._pill-a { padding: 8px 18px; font-size: 0.78rem; }
}
