:root {
  --void: #0B1220; --void2: #0d1628;
  --glass: rgba(255,255,255,0.028); --glass-border: rgba(255,255,255,0.07);
  --fire: #FF6A1A; --fire-glow: rgba(255,106,26,0.25);
  --white: #FFFFFF; --white-dim: rgba(255,255,255,0.55); --muted: #9499A1;
  --font: 'Inter', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--void); color: var(--white); min-height: 100vh; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }

nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 0 2.5rem; height: 64px; display: flex; align-items: center; justify-content: space-between; background: rgba(11,18,32,0.88); backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border); }
.nav-logo { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; }
.nav-logo-text { font-family: var(--font); font-size: 1.05rem; font-weight: 800; letter-spacing: -0.02em; color: #fff; }
.nav-links { display: flex; gap: 1.8rem; align-items: center; }
.nav-links a { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-back { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; font-weight: 600; color: var(--fire); border: 1px solid rgba(255,106,26,0.3); padding: 0.45rem 1.1rem; border-radius: 100px; transition: all 0.2s; }
.nav-back:hover { background: rgba(255,106,26,0.1); }

.page-wrap { max-width: 760px; margin: 0 auto; padding: 8rem 1.5rem 5rem; }
.page-wrap-wide { max-width: 900px; margin: 0 auto; padding: 8rem 1.5rem 5rem; }
.page-hero { text-align: center; margin-bottom: 3rem; }
.page-badge { display: inline-block; background: rgba(255,106,26,0.1); border: 1px solid rgba(255,106,26,0.25); color: var(--fire); font-size: 0.72rem; font-weight: 700; padding: 0.3rem 1rem; border-radius: 20px; letter-spacing: 0.08em; margin-bottom: 1.25rem; text-transform: uppercase; }
.page-hero h1 { font-size: clamp(2rem,5vw,3rem); font-weight: 800; letter-spacing: -0.03em; color: #fff; margin-bottom: 0.75rem; line-height: 1.1; }
.page-hero p { color: var(--muted); font-size: 1rem; line-height: 1.7; max-width: 480px; margin: 0 auto; }

.content-card { background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border); border-radius: 16px; padding: 2.5rem; }
.form-group { margin-bottom: 1.4rem; }
label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--muted); margin-bottom: 0.45rem; letter-spacing: 0.06em; text-transform: uppercase; }
input, select, textarea { width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border); border-radius: 8px; padding: 0.75rem 1rem; color: var(--white); font-family: var(--font); font-size: 0.95rem; transition: border-color 0.2s, box-shadow 0.2s; outline: none; }
input::placeholder, textarea::placeholder { color: rgba(255,255,255,0.2); }
input:focus, select:focus, textarea:focus { border-color: rgba(255,106,26,0.5); box-shadow: 0 0 0 3px rgba(255,106,26,0.08); }
select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239499A1' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; background-color: rgba(255,255,255,0.04); }
select option { background: #0d1628; color: #f1f5f9; }
textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.btn-submit { width: 100%; padding: 0.9rem; background: var(--fire); color: #000; font-family: var(--font); font-size: 0.95rem; font-weight: 700; border: none; border-radius: 100px; cursor: pointer; transition: all 0.2s; margin-top: 0.5rem; }
.btn-submit:hover { background: #E65C0F; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.form-error { color: #f87171; font-size: 0.8rem; margin-top: 0.35rem; display: none; }
#submitError { color: #f87171; font-size: 0.85rem; margin-top: 0.75rem; text-align: center; display: none; }
#formSuccess { display: none; text-align: center; padding: 2.5rem 1.5rem; }
#formSuccess h3 { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
#formSuccess p { color: var(--muted); line-height: 1.6; margin-bottom: 0; }

.section-title { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fire); margin-bottom: 1rem; }
.search-wrap { position: relative; max-width: 520px; margin: 0 auto 2.5rem; }
.search-wrap input { padding-left: 3rem; border-radius: 100px; }
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.categories { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2.5rem; }
.cat-btn { all: unset; box-sizing: border-box; padding: 0.45rem 1.1rem; border-radius: 100px; border: 1px solid var(--glass-border); color: var(--muted); font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: all 0.15s; }
.cat-btn:hover, .cat-btn.active { background: rgba(255,106,26,0.1); border-color: rgba(255,106,26,0.35); color: var(--fire); }

.faq-section { margin-bottom: 2rem; }
.faq-item { border: 1px solid var(--glass-border); border-radius: 10px; margin-bottom: 0.5rem; overflow: hidden; background: rgba(255,255,255,0.02); }
.faq-q { width: 100%; text-align: left; background: none; border: none; color: var(--white); font-family: var(--font); font-size: 0.9rem; font-weight: 600; padding: 1rem 1.25rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-q:hover { color: var(--fire); }
.faq-q .faq-icon { color: var(--fire); font-size: 1.2rem; flex-shrink: 0; transition: transform 0.2s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 1.25rem 1rem; color: var(--muted); font-size: 0.88rem; line-height: 1.7; border-top: 1px solid var(--glass-border); }
.faq-item.open .faq-a { display: block; }

.toc { background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border); border-radius: 12px; padding: 1.5rem 2rem; margin-bottom: 3rem; }
.toc h3 { color: var(--fire); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.toc ol { padding-left: 1.2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.3rem 2rem; }
.toc li { font-size: 0.85rem; }
.toc a { color: var(--muted); }
.toc a:hover { color: var(--fire); }
section.clause { margin-bottom: 2.8rem; padding-bottom: 2.8rem; border-bottom: 1px solid var(--glass-border); }
section.clause:last-child { border-bottom: none; }
h2.clause-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }
h2.clause-title .num { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(255,106,26,0.12); border: 1px solid rgba(255,106,26,0.3); color: var(--fire); font-size: 0.78rem; font-weight: 700; flex-shrink: 0; }
p { color: var(--muted); margin-bottom: 0.9rem; line-height: 1.75; }
p:last-child { margin-bottom: 0; }
ul, ol { color: var(--muted); padding-left: 1.5rem; margin-bottom: 0.9rem; }
li { margin-bottom: 0.4rem; line-height: 1.65; }
strong { color: var(--white); }
.highlight-box { background: rgba(255,106,26,0.06); border-left: 3px solid var(--fire); border-radius: 0 8px 8px 0; padding: 1rem 1.25rem; margin: 1rem 0; color: var(--muted); font-size: 0.92rem; }
.warning-box { background: rgba(248,113,113,0.06); border-left: 3px solid #ef4444; border-radius: 0 8px 8px 0; padding: 1rem 1.25rem; margin: 1rem 0; color: var(--muted); font-size: 0.92rem; }
.contact-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,106,26,0.2); border-radius: 12px; padding: 1.5rem; margin-top: 1rem; }
.contact-card a { color: var(--fire); }
.link-fire { color: var(--fire); }
#submitError a { color: var(--fire); }

footer { border-top: 1px solid rgba(255,255,255,.045); padding: 2.4rem 3rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 3rem; }
.f-copy { font-size: .76rem; font-weight: 400; color: rgba(255,255,255,.18); }
.f-links { display: flex; gap: 2rem; list-style: none; }
.f-links a { font-size: .76rem; color: rgba(255,255,255,.18); transition: color .3s; text-decoration: none; }
.f-links a:hover { color: rgba(255,255,255,.45); }

@media(max-width:600px) {
  nav { padding: 0 1.25rem; height: 56px; }
  .nav-links { display: none; }
  .page-wrap, .page-wrap-wide { padding: 5rem 1rem 3rem; }
  .page-hero h1 { font-size: 1.75rem; }
  .page-hero p { font-size: 0.9rem; }
  .content-card { padding: 1.25rem; border-radius: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .toc ol { grid-template-columns: 1fr; }
  .categories { justify-content: flex-start; }
}