/* NetClip Pro — dark skin, independent visual system from the light page */
:root {
  --bg: #080b16;
  --bg-soft: #0e1424;
  --surface: #111a2e;
  --line: #1e2a44;
  --ink: #eef2ff;
  --ink-soft: #c3cce4;
  --muted: #8b96b3;
  --brand: #6366f1;
  --brand-2: #22d3ee;
  --accent: #a78bfa;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 40px 80px -40px rgba(99, 102, 241, 0.55);
}

body {
  background: var(--bg);
  color: var(--ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(52% 46% at 12% -6%, rgba(99, 102, 241, 0.22), transparent 70%),
    radial-gradient(44% 40% at 88% 4%, rgba(34, 211, 238, 0.14), transparent 70%),
    radial-gradient(60% 50% at 50% 100%, rgba(167, 139, 250, 0.1), transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  background: rgba(8, 11, 22, 0.72);
  border-bottom-color: var(--line);
}

.brand-mark {
  background: linear-gradient(140deg, #6366f1, #22d3ee);
  box-shadow: 0 8px 22px -10px rgba(99, 102, 241, 0.9);
}

.nav a:hover,
.footer-grid a:hover {
  color: var(--brand-2);
}

.lang-switch {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
}

.lang-switch button[aria-pressed="true"] {
  background: rgba(99, 102, 241, 0.9);
  color: #fff;
  box-shadow: none;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--ink-soft);
}

.pill {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: var(--ink-soft);
  box-shadow: none;
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #2b3a5c;
}

.btn-primary {
  background: linear-gradient(120deg, #6366f1, #8b5cf6 55%, #22d3ee);
  box-shadow: 0 16px 36px -18px rgba(99, 102, 241, 0.95);
}

/* hero */
.pro-hero {
  padding: 66px 0 40px;
}

.pro-hero .wrap {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 46px;
  align-items: center;
}

.pro-copy h1 {
  font-size: clamp(30px, 3.8vw, 46px);
  margin: 16px 0 12px;
  letter-spacing: -0.035em;
}

.pro-copy h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #818cf8, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pro-copy .lede {
  margin: 0;
  max-width: 520px;
  color: var(--muted);
  font-size: 15.5px;
}

.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.tabs button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13.2px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 9px;
  cursor: pointer;
  transition: 0.16s ease;
}

.tabs button[aria-selected="true"] {
  background: rgba(99, 102, 241, 0.18);
  color: #cdd4ff;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.35);
}

.pro-input {
  display: flex;
  gap: 10px;
  background: rgba(17, 26, 46, 0.9);
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 8px;
  backdrop-filter: blur(8px);
  transition: 0.18s ease;
}

.pro-input:focus-within {
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}

.pro-input input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  padding: 10px 12px;
  font-size: 14.5px;
  color: var(--ink);
}

.pro-input input::placeholder {
  color: #5c688a;
}

.pro-input .btn {
  flex: none;
}

.pro-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 12.8px;
  color: var(--muted);
}

.pro-note .kbd {
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 11.5px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.04);
}

/* preview panel */
.preview {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(23, 33, 56, 0.92), rgba(13, 19, 34, 0.92));
  padding: 18px;
  box-shadow: var(--shadow-lg);
}

.preview-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}

.dots {
  display: inline-flex;
  gap: 5px;
}

.dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2a3550;
  display: block;
}

.preview-body {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 14px;
  padding-top: 16px;
}

.preview-thumb {
  border-radius: 12px;
  aspect-ratio: 3 / 4;
  background: linear-gradient(150deg, #1b2740, #24304d 45%, #2b3a5c);
  position: relative;
  overflow: hidden;
}

.preview-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 45%, rgba(34, 211, 238, 0.22));
}

.preview-thumb .play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: grid;
  place-items: center;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.preview-thumb .play::before {
  content: "";
  border-left: 9px solid #fff;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 3px;
}

.preview-lines .l {
  height: 11px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.09);
  margin-bottom: 9px;
}

.preview-lines .l.w70 {
  width: 70%;
}
.preview-lines .l.w45 {
  width: 45%;
  background: rgba(255, 255, 255, 0.06);
}

.preview-btn {
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 700;
  color: #d7dcff;
  background: rgba(99, 102, 241, 0.22);
  border: 1px solid rgba(99, 102, 241, 0.45);
  padding: 8px 12px;
  border-radius: 9px;
}

.preview-foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}

/* sections on dark */
section.block {
  padding: 52px 0;
}

.section-eyebrow {
  color: var(--brand-2);
}

.feature {
  background: rgba(17, 26, 46, 0.72);
  border-color: var(--line);
}

.feature:hover {
  border-color: #2b3a5c;
  background: rgba(21, 31, 54, 0.9);
}

.f-icon {
  background: rgba(99, 102, 241, 0.14) !important;
  border: 1px solid rgba(99, 102, 241, 0.24);
}

.step {
  background: rgba(17, 26, 46, 0.6);
  border-color: var(--line);
}

.step::before {
  background: linear-gradient(135deg, #818cf8, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
}

.faq {
  border-top-color: var(--line);
}

details {
  border-bottom-color: var(--line);
}

details summary::after {
  color: var(--muted);
}

details[open] summary::after {
  color: var(--brand-2);
}

.result-card,
.skeleton {
  background: rgba(17, 26, 46, 0.86);
  border-color: var(--line);
}

.result-title,
h2,
h3 {
  color: var(--ink);
}

.plat-tag {
  background: rgba(99, 102, 241, 0.16);
  color: #a5b4fc;
}

.dl {
  background: rgba(99, 102, 241, 0.9);
  border-color: transparent;
}

.dl.alt {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: var(--ink-soft);
}

.notice.warn {
  background: rgba(180, 120, 9, 0.14);
  border-color: rgba(180, 120, 9, 0.4);
  color: #fbbf24;
}

.notice.err {
  background: rgba(190, 18, 60, 0.14);
  border-color: rgba(190, 18, 60, 0.4);
  color: #fb7185;
}

.cover,
.img-strip a {
  border-color: var(--line);
  background: #0d1424;
}

.sk {
  background: linear-gradient(90deg, #16203a 25%, #1d2a48 37%, #16203a 63%);
  background-size: 400% 100%;
}

.site-footer {
  background: rgba(8, 11, 22, 0.9);
  border-top-color: var(--line);
}

.footer-grid h4 {
  color: var(--ink);
}

.legal {
  border-top-color: var(--line);
}

.toast {
  background: rgba(238, 242, 255, 0.96);
  color: #0b1020;
}

/* responsive */
@media (max-width: 980px) {
  .pro-hero .wrap {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .preview {
    order: -1;
  }
}

@media (max-width: 620px) {
  .pro-hero {
    padding: 36px 0 20px;
  }
  .pro-input {
    flex-direction: column;
  }
  .pro-input .btn {
    width: 100%;
  }
  .preview {
    display: none;
  }
}