/* ============================================================
   KTER ENTERPRISE LLC — "The Switchboard" system
   Jack fields · patch cords · operator lamps · typed documents
   ============================================================ */
:root {
  --bg: #100e13;
  --bg2: #17141c;
  --panel: #1e1a26;
  --line: #2d2739;
  --line2: #433a52;
  --txt: #f3efe4;
  --mut: #a89f9b;
  --dim: #6b6172;
  --lamp: #f2b33d;
  --cord: #e14d3d;
  --teal: #66c2b2;
  --disp: 'Sora', sans-serif;
  --body: 'Figtree', sans-serif;
  --mono: 'Courier Prime', 'Courier New', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--body);
  font-size: 15.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--lamp); color: var(--bg); }
a { color: inherit; text-decoration: none; }
svg { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--disp); font-weight: 700; line-height: 1.08; letter-spacing: -.015em; }
h1 { font-size: clamp(40px, 5.2vw, 68px); }
h2 { font-size: clamp(27px, 3.2vw, 40px); }
h3 { font-size: 18px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 40px; }
em.h { font-style: normal; color: var(--lamp); }
em.h2 { font-style: normal; color: var(--teal); }
.type { font-family: var(--mono); }

/* ---------- NAV ---------- */
.site-head { position: sticky; top: 0; z-index: 50; background: var(--bg); border-bottom: 1px solid var(--line); }
.head-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 40px; height: 76px; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand-plug {
  width: 44px; height: 44px; flex: none;
  border: 1.5px solid var(--line2); border-radius: 50%;
  background: var(--panel); position: relative;
  display: flex; align-items: center; justify-content: center;
}
.brand-plug::before {
  content: ''; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--lamp);
}
.brand-plug::after {
  content: ''; position: absolute; width: 2.5px; height: 22px;
  background: var(--lamp); transform: rotate(45deg) translateY(14px);
  transform-origin: top;
}
.brand-txt { line-height: 1.25; }
.brand-txt b { font-family: var(--disp); font-weight: 700; font-size: 16px; display: block; letter-spacing: .01em; }
.brand-txt span { font-family: var(--mono); font-size: 9.5px; color: var(--dim); letter-spacing: .2em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 9px 15px; font-family: var(--mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--mut); transition: .2s;
}
.nav a:hover { color: var(--txt); }
.nav a.on { color: var(--lamp); }
.nav a.on::before { content: '● '; font-size: 8px; }
.nav a.cta { margin-left: 10px; border: 1px solid var(--teal); border-radius: 999px; color: var(--teal); }
.nav a.cta:hover { background: var(--teal); color: var(--bg); }
.burger { display: none; background: none; border: 1px solid var(--line2); border-radius: 50%; width: 42px; height: 42px; cursor: pointer; }
.burger i { display: block; width: 18px; height: 2px; background: var(--txt); margin: 4px auto; transition: .25s; }
.burger.open i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open i:nth-child(2) { opacity: 0; }
.burger.open i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mnav { display: none; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 24px 20px; }
.mnav.open { display: block; }
.mnav a {
  display: block; padding: 12px 4px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--mut);
  border-bottom: 1px dashed var(--line);
}
.mnav a.on { color: var(--lamp); }
.mnav a:last-child { border-bottom: none; color: var(--teal); }

/* ---------- HERO ---------- */
.hero { padding: 78px 0 0; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.hero-kick {
  font-family: var(--mono); font-size: 11px; letter-spacing: .26em;
  color: var(--cord); text-transform: uppercase; display: block; margin-bottom: 24px;
}
.hero-kick::before { content: '>> '; }
.hero h1 { margin-bottom: 26px; }
.hero-sub { color: var(--mut); font-size: 16px; max-width: 500px; margin-bottom: 38px; }
.hero-sub strong { color: var(--txt); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; padding-bottom: 40px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11.5px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 15px 30px; cursor: pointer; border: none;
  border-radius: 999px; transition: .2s;
}
.btn svg { width: 15px; height: 15px; }
.btn-lamp { background: var(--lamp); color: var(--bg); }
.btn-lamp:hover { transform: translateY(-2px); }
.btn-line { background: transparent; color: var(--txt); box-shadow: inset 0 0 0 1px var(--line2); }
.btn-line:hover { box-shadow: inset 0 0 0 1px var(--lamp); color: var(--lamp); }

/* switchboard figure */
.board { position: relative; }
.board svg { display: block; width: 100%; }
.board .b-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: .2em;
  color: var(--dim); text-transform: uppercase;
  padding: 13px 18px; border-top: 1px solid var(--line);
  background: var(--bg2); display: flex; justify-content: space-between;
}
.board .b-tag b { color: var(--lamp); font-weight: 400; }

/* signal strip */
.sig-strip {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg2); overflow: hidden; padding: 14px 0;
}
.sig-strip .in {
  font-family: var(--mono); font-size: 11px; letter-spacing: .3em;
  text-transform: uppercase; color: var(--mut); white-space: nowrap;
  display: flex; gap: 44px; animation: sig 40s linear infinite;
}
.sig-strip .in span i { color: var(--lamp); font-style: normal; margin-right: 10px; }
@keyframes sig { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- SECTIONS ---------- */
.sect { padding: 86px 0; }
.sect.bg2 { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { margin-bottom: 52px; }
.sec-head .kick {
  font-family: var(--mono); font-size: 11px; letter-spacing: .26em;
  color: var(--cord); text-transform: uppercase; display: block; margin-bottom: 14px;
}
.sec-head .kick::before { content: '>> '; }
.sec-head h2 { margin-bottom: 14px; }
.sec-head p { color: var(--mut); max-width: 620px; }
.sec-head.ctr { text-align: center; }
.sec-head.ctr p { margin: 0 auto; }

/* line (trunk) cards */
.line-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.line-card {
  border: 1px solid var(--line2); background: var(--panel);
  padding: 26px 24px; position: relative; transition: .2s;
}
.line-card::before {
  content: ''; position: absolute; top: 18px; right: 20px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--lamp); box-shadow: 0 0 10px rgba(242,179,61,.45);
}
.line-card:hover { transform: translateY(-4px); border-color: var(--lamp); }
.line-card .lc-no { font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em; color: var(--cord); display: block; margin-bottom: 14px; }
.line-card h3 { font-size: 19px; margin-bottom: 10px; padding-right: 22px; }
.line-card p { font-size: 13.5px; color: var(--mut); }
.line-card .lc-link { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; color: var(--teal); text-transform: uppercase; display: inline-block; margin-top: 16px; }
.line-card .lc-link::after { content: ' →'; }

/* stats board */
.stat-board { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat-board .s { background: var(--bg); padding: 30px 24px; }
.stat-board .s b { font-family: var(--mono); font-size: 30px; font-weight: 700; color: var(--lamp); display: block; line-height: 1.1; }
.stat-board .s span { font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--mut); display: block; margin-top: 10px; }

/* ---------- SPLIT ---------- */
.split { display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center; }
.split.rev { grid-template-columns: 1.05fr 1fr; }
.split h2 { margin-bottom: 20px; }
.split p { color: var(--mut); margin-bottom: 16px; }
.split p strong { color: var(--txt); }
.jack-list { list-style: none; margin-top: 26px; }
.jack-list li {
  display: flex; gap: 15px; padding: 14px 0;
  border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--mut);
  align-items: baseline;
}
.jack-list li:last-child { border-bottom: none; }
.jack-list .jk {
  width: 12px; height: 12px; flex: none; border-radius: 50%;
  border: 2px solid var(--cord); transform: translateY(1px);
}
.jack-list b { color: var(--txt); font-weight: 700; }

.fig { border: 1px solid var(--line2); background: var(--bg2); }
.fig .fig-cap {
  font-family: var(--mono); font-size: 10px; letter-spacing: .2em; color: var(--dim);
  text-transform: uppercase; padding: 13px 18px; border-bottom: 1px solid var(--line); display: block;
}

/* ---------- PAGE HEAD ---------- */
.page-head { padding: 70px 0 52px; border-bottom: 1px solid var(--line); }
.crumb { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; color: var(--dim); text-transform: uppercase; display: block; margin-bottom: 20px; }
.crumb a { color: var(--lamp); }
.page-head h1 { margin-bottom: 18px; }
.lede { color: var(--mut); font-size: 16.5px; max-width: 720px; }

/* ---------- LINE sections (services page) ---------- */
.lsect { padding: 56px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 95px; }
.lsect:last-child { border-bottom: none; }
.lsect-head { display: flex; align-items: center; gap: 18px; margin-bottom: 12px; flex-wrap: wrap; }
.lsect-head .ln {
  font-family: var(--mono); font-weight: 700; font-size: 12px;
  color: var(--bg); background: var(--lamp); border-radius: 999px;
  padding: 6px 16px; letter-spacing: .14em;
}
.lsect-head .ln.cord { background: var(--cord); }
.lsect-head h2 { font-size: 26px; }
.lsect-head .en { margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: .18em; color: var(--dim); text-transform: uppercase; }
.lsect > p { color: var(--mut); font-size: 14px; max-width: 720px; margin-bottom: 26px; }
.jack-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.jack {
  border: 1px solid var(--line); background: var(--bg2); padding: 16px 18px;
  display: flex; gap: 13px; align-items: baseline; transition: border-color .2s;
}
.jack:hover { border-color: var(--lamp); }
.jack .j-dot {
  width: 9px; height: 9px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--teal); transform: translateY(1px);
}
.jack b { font-size: 13.5px; display: block; font-weight: 600; }
.jack span { font-size: 12px; color: var(--mut); display: block; margin-top: 2px; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.fq { border-bottom: 1px solid var(--line); }
.fq > button {
  width: 100%; background: none; border: none; color: var(--txt);
  font-family: var(--disp); font-size: 19px; font-weight: 700;
  text-align: left; padding: 23px 8px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.fq > button:hover { color: var(--lamp); }
.fq .pm { font-family: var(--mono); color: var(--teal); font-size: 18px; flex: none; }
.fq .fa { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.fq .fa p { padding: 0 8px 24px; color: var(--mut); font-size: 14px; }
.fq.open .fa { max-height: 340px; }

/* ---------- CTA ---------- */
.cta-box { border: 1px solid var(--line2); background: var(--panel); padding: 54px 48px; text-align: center; position: relative; }
.cta-box::before, .cta-box::after {
  content: ''; position: absolute; top: 50%; width: 13px; height: 13px;
  border-radius: 50%; border: 2px solid var(--cord); transform: translateY(-50%);
}
.cta-box::before { left: 24px; }
.cta-box::after { right: 24px; }
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { color: var(--mut); max-width: 540px; margin: 0 auto 30px; }

/* ---------- CONTACT ---------- */
.c-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; }
.c-cards { display: grid; gap: 0; border: 1px solid var(--line2); }
.c-card {
  padding: 22px 26px; border-bottom: 1px solid var(--line); background: var(--bg2);
  display: flex; gap: 18px; align-items: baseline;
}
.c-card:last-child { border-bottom: none; }
.c-card .jk { width: 12px; height: 12px; flex: none; border-radius: 50%; border: 2px solid var(--cord); }
.c-card .ck { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; color: var(--lamp); text-transform: uppercase; flex: none; width: 92px; }
.c-card .cv { font-family: var(--disp); font-weight: 700; font-size: 16px; display: block; }
.c-card .cv:hover { color: var(--teal); }
.c-card p { font-size: 12.5px; color: var(--mut); margin-top: 4px; }
.qform { border: 1px solid var(--line2); background: var(--panel); padding: 40px; }
.qform h2 { font-size: 25px; margin-bottom: 8px; }
.qform .sub { font-size: 12.5px; color: var(--mut); margin-bottom: 28px; }
.qform .sub a { color: var(--lamp); text-decoration: underline; }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fld { margin-bottom: 16px; }
.fld label {
  display: block; font-family: var(--mono); font-size: 10px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--mut); margin-bottom: 8px;
}
.fld input, .fld select, .fld textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line2);
  color: var(--txt); font-family: var(--body); font-size: 14.5px; padding: 13px 15px;
}
.fld input:focus, .fld select:focus, .fld textarea:focus { outline: none; border-color: var(--lamp); }
.fld textarea { min-height: 110px; resize: vertical; }
.fnote { font-size: 11.5px; color: var(--dim); margin-top: 18px; font-family: var(--mono); }

/* ---------- LEGAL ---------- */
.legal { display: grid; grid-template-columns: 220px 1fr; gap: 56px; align-items: start; }
.lnav { position: sticky; top: 100px; }
.lnav .lt { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; color: var(--dim); text-transform: uppercase; display: block; margin-bottom: 16px; }
.lnav a {
  display: block; padding: 9px 0; border-bottom: 1px dashed var(--line);
  font-family: var(--mono); font-size: 11px; color: var(--mut);
}
.lnav a:hover { color: var(--lamp); }
.ltext h2 { font-size: 22px; margin: 42px 0 14px; scroll-margin-top: 100px; }
.ltext h2:first-child { margin-top: 0; }
.ltext h3 { font-size: 15px; margin: 22px 0 10px; color: var(--teal); font-family: var(--body); font-weight: 700; }
.ltext p { color: var(--mut); font-size: 14px; margin-bottom: 14px; }
.ltext ul { margin: 0 0 16px 22px; color: var(--mut); font-size: 14px; }
.ltext li { margin-bottom: 8px; }
.ltext strong { color: var(--txt); }
.ltext a { color: var(--lamp); text-decoration: underline; }
.lnote { border: 1px solid var(--line2); border-left: 3px solid var(--cord); background: var(--panel); padding: 20px 24px; margin: 22px 0; }
.lnote p { margin: 0 0 6px; font-size: 13px; }
.lnote p:last-child { margin-bottom: 0; }

/* ---------- FOOTER ---------- */
.site-foot { border-top: 1px solid var(--line); background: var(--bg2); }
.foot-in { padding: 56px 0 0; }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 46px; }
.foot-brand p { color: var(--mut); font-size: 13px; margin-top: 18px; max-width: 270px; }
.fcol h4 { font-family: var(--mono); font-size: 10px; letter-spacing: .24em; text-transform: uppercase; color: var(--lamp); margin-bottom: 16px; font-weight: 400; }
.fcol a, .fcol span { display: block; font-size: 13.5px; color: var(--mut); padding: 4px 0; }
.fcol a:hover { color: var(--txt); }
/* jack strip footer */
.jack-strip {
  display: flex; gap: 18px; justify-content: center;
  padding: 24px 0 8px; border-top: 1px solid var(--line);
}
.jack-strip i {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1.5px solid var(--line2);
}
.jack-strip i.lit { border-color: var(--lamp); background: var(--lamp); }
.jack-strip i.live { border-color: var(--cord); }
.foot-bot {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  border-top: 1px solid var(--line); padding: 22px 0 28px; flex-wrap: wrap;
}
.foot-bot p { font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.foot-bot .fl { display: flex; gap: 24px; }
.foot-bot .fl a { font-family: var(--mono); font-size: 10.5px; color: var(--mut); }
.foot-bot .fl a:hover { color: var(--lamp); }

/* ---------- REVEAL ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .wrap { padding: 0 24px; }
  .head-in { padding: 0 24px; }
  .nav { display: none; }
  .burger { display: block; }
  .hero .wrap { grid-template-columns: 1fr; }
  .split, .split.rev, .c-grid, .legal { grid-template-columns: 1fr; gap: 44px; }
  .lnav { position: static; }
  .line-grid, .jack-grid { grid-template-columns: 1fr 1fr; }
  .stat-board { grid-template-columns: 1fr 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 640px) {
  .line-grid, .jack-grid, .stat-board { grid-template-columns: 1fr; }
  .f2 { grid-template-columns: 1fr; }
  .c-card { flex-wrap: wrap; }
  .foot-top { grid-template-columns: 1fr; }
  .foot-bot { flex-direction: column; align-items: flex-start; }
  .cta-box { padding: 42px 24px; }
  .cta-box::before, .cta-box::after { display: none; }
  .qform { padding: 30px 22px; }
}