/* NGVoIP — next-generation voice, entirely on American soil. */
:root {
  --night: #0A1633;
  --white: #FFFFFF;
  --fog: #EEF2F8;
  --fog-2: #DFE6F1;
  --signal: #2F6BFF;
  --signal-deep: #1F4FD1;
  --pulse: #19D3C5;
  --flare: #FF7A45;
  --graphite: #1E2433;
  --slate: #5B6475;
  --night-ink: rgba(255,255,255,.72);
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 12px;
  --gap: 8px;
  --max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--graphite);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--signal-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--signal); }
:focus-visible { outline: 3px solid var(--pulse); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 {
  font-family: var(--display);
  font-variation-settings: "wdth" 88, "opsz" 96;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 16px;
  color: var(--night);
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h3 { font-size: 1.35rem; font-weight: 700; font-variation-settings: "wdth" 95, "opsz" 24; letter-spacing: -0.01em; line-height: 1.2; }
h4 { font-size: 1.05rem; font-weight: 700; font-variation-settings: "wdth" 100, "opsz" 16; letter-spacing: 0; line-height: 1.3; }
p { margin: 0 0 16px; }
.lede { font-size: 1.2rem; line-height: 1.55; color: var(--slate); max-width: 60ch; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: .8rem; letter-spacing: .01em; }
.eyebrow {
  font-family: var(--mono);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--signal-deep);
  margin: 0 0 16px;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--signal); }
.on-night .eyebrow { color: var(--pulse); }
.on-night .eyebrow::before { background: var(--pulse); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--fog-2);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--night); }
.brand .mark {
  font-family: var(--display); font-weight: 800; font-size: 1.35rem; letter-spacing: -0.04em;
  font-variation-settings: "wdth" 80, "opsz" 24;
  display: inline-flex; align-items: baseline; gap: 4px; color: var(--night);
}
.brand .mark i { width: 7px; height: 7px; border-radius: 50%; background: var(--pulse); display: inline-block; box-shadow: 0 0 0 3px rgba(25,211,197,.22); }
.brand .word { font-family: var(--display); font-weight: 600; font-size: 1.15rem; letter-spacing: -0.01em; font-variation-settings: "wdth" 100; }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a { font-size: .95rem; font-weight: 600; color: var(--graphite); text-decoration: none; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { background: var(--fog); color: var(--night); }
.nav a[aria-current="page"] { color: var(--signal-deep); background: var(--fog); }
.nav .cta { background: var(--night); color: #fff; margin-left: 8px; }
.nav .cta:hover { background: var(--signal-deep); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--fog-2); border-radius: 8px; padding: 8px 10px; font: inherit; cursor: pointer; color: var(--night); }
@media (max-width: 1000px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 72px; background: #fff; border-bottom: 1px solid var(--fog-2); flex-direction: column; align-items: stretch; padding: 12px 24px 20px; gap: 2px; }
  .nav a { padding: 12px 10px; font-size: 1.05rem; }
  .nav .cta { margin: 10px 0 0; text-align: center; }
  .site-header.open .nav { display: flex; }
}

/* Sections */
.section { padding: 88px 0; }
.section--fog { background: var(--fog); }
.section--night { background: var(--night); color: var(--night-ink); }
.section--night h1, .section--night h2, .section--night h3, .section--night h4 { color: #fff; }
.section--night .lede { color: var(--night-ink); }
.section--tight { padding: 56px 0; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head p { color: var(--slate); font-size: 1.1rem; }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 40px; } }
.split > *, .grid > *, .hero .container > * { min-width: 0; }

/* Hero (home) */
.hero { background: var(--night); color: var(--night-ink); padding: 72px 0 80px; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: auto -10% -40% -10%; height: 60%;
  background: radial-gradient(60% 60% at 50% 100%, rgba(47,107,255,.35), transparent 70%);
  pointer-events: none;
}
.hero .container { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--pulse); }
.hero .lede { color: var(--night-ink); }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
@media (max-width: 900px) { .hero .container { grid-template-columns: 1fr; } .hero { padding: 48px 0 56px; } }

/* Status board */
.board {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  padding: 20px 20px 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
.board-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: var(--mono); font-size: .76rem; color: var(--night-ink); margin-bottom: 8px; flex-wrap: wrap; }
.board-head .live { display: inline-flex; align-items: center; gap: 8px; color: var(--pulse); }
.board-head .live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--pulse); box-shadow: 0 0 0 0 rgba(25,211,197,.6); animation: ping 2s ease-out infinite; }
.map { width: 100%; height: auto; }
.map-dots circle { fill: rgba(255,255,255,.38); }
.map-outline { fill: none; stroke: rgba(255,255,255,.16); stroke-width: 1; stroke-linejoin: round; }
.map-path { fill: none; stroke: var(--pulse); stroke-width: 1.2; stroke-opacity: .55; stroke-dasharray: 600; stroke-dashoffset: 600; animation: draw 1.8s cubic-bezier(.4,0,.2,1) forwards; animation-delay: calc(.4s + var(--i) * .35s); }
.map-dot { fill: var(--pulse); }
.map-pulse { fill: none; stroke: var(--pulse); stroke-width: 1.5; opacity: .9; transform-box: fill-box; transform-origin: center; animation: pulse 2.4s ease-out infinite; animation-delay: calc(var(--i) * .6s); }
.map-label { font-family: var(--mono); font-size: 11px; fill: #fff; letter-spacing: .02em; paint-order: stroke; stroke: var(--night); stroke-width: 4px; stroke-linejoin: round; }
.board-foot { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; font-family: var(--mono); font-size: .72rem; }
.board-foot div { border-top: 1px solid rgba(255,255,255,.12); padding-top: 8px; color: var(--night-ink); }
.board-foot b { display: block; color: #fff; font-weight: 500; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(25,211,197,.6); } 100% { box-shadow: 0 0 0 10px rgba(25,211,197,0); } }
@keyframes pulse { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(3.2); opacity: 0; } }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* Proof strip */
.proof { border-bottom: 1px solid var(--fog-2); background: #fff; }
.proof .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding-top: 18px; padding-bottom: 18px; }
.proof ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 28px; font-family: var(--mono); font-size: .8rem; color: var(--slate); }
.proof li { display: inline-flex; align-items: center; gap: 8px; }
.proof li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--pulse); }
.vet {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--display); font-weight: 700; font-size: .95rem; letter-spacing: -0.01em; color: var(--night);
  border: 1.5px solid var(--night); border-radius: 999px; padding: 6px 14px 6px 8px;
}
.vet svg { width: 22px; height: 22px; }
.on-night .vet { color: #fff; border-color: rgba(255,255,255,.5); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--body); font-weight: 700; font-size: 1rem;
  padding: 14px 22px; border-radius: 10px; text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--signal); color: #fff; }
.btn--primary:hover { background: var(--signal-deep); color: #fff; }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { border-color: #fff; color: #fff; }
.btn--dark { background: var(--night); color: #fff; }
.btn--dark:hover { background: var(--signal-deep); color: #fff; }
.btn--outline { background: #fff; color: var(--night); border-color: var(--fog-2); }
.btn--outline:hover { border-color: var(--night); color: var(--night); }

/* Cards */
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.card {
  background: #fff; border: 1px solid var(--fog-2); border-radius: var(--radius);
  padding: 28px 24px; position: relative;
}
.card h3 { margin-top: 12px; }
.card p { color: var(--slate); margin: 0; font-size: 1rem; }
.card .ic { width: 40px; height: 40px; border-radius: 10px; background: var(--fog); display: grid; place-items: center; color: var(--signal-deep); }
.card .ic svg { width: 22px; height: 22px; }
.section--fog .card { border-color: transparent; }
.card--link { text-decoration: none; color: inherit; display: block; transition: border-color .15s ease, transform .15s ease; }
.card--link:hover { border-color: var(--signal); transform: translateY(-2px); }
.card--link .more { margin-top: 20px; color: var(--signal-deep); font-weight: 700; font-size: .95rem; display: inline-flex; gap: 6px; align-items: center; }
.card--link .more::after { content: "→"; }
.card--night { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.10); }
.card--night h3 { color: #fff; }
.card--night p { color: var(--night-ink); }
.card--night .ic { background: rgba(255,255,255,.08); color: var(--pulse); }
.card .tag { position: absolute; top: 20px; right: 20px; font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--flare); }

/* Feature list */
.features { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.features li { display: grid; grid-template-columns: 24px 1fr; column-gap: 12px; row-gap: 2px; align-items: start; }
.features li::before { content: ""; grid-row: 1 / span 2; width: 20px; height: 20px; border-radius: 50%; margin-top: 3px; background: var(--fog); color: var(--signal-deep); display: grid; place-items: center; font-size: .7rem; }
.features li b, .features li span { grid-column: 2; }
.features li b { display: block; color: var(--night); font-weight: 700; }
.features li span { color: var(--slate); font-size: .98rem; }
.check li::before { content: "✓"; font-weight: 800; }
.section--night .features li b { color: #fff; }
.section--night .features li span { color: var(--night-ink); }
.section--night .features li::before { background: rgba(25,211,197,.15); color: var(--pulse); }

/* Generations sequence */
.gens { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; counter-reset: gen; }
.gens::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 2px; background: var(--fog-2); }
.gens li { position: relative; padding-top: 32px; }
.gens li::before { content: ""; position: absolute; top: 4px; left: 0; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--fog-2); }
.gens li.now::before { background: var(--pulse); border-color: var(--pulse); box-shadow: 0 0 0 5px rgba(25,211,197,.2); }
.gens .gen { font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; color: var(--slate); display: block; margin-bottom: 8px; }
.gens li.now .gen { color: var(--signal-deep); }
.gens h3 { margin: 0 0 8px; }
.gens p { color: var(--slate); font-size: .98rem; margin: 0; }
.gens li.now { background: #fff; border: 1px solid var(--fog-2); border-radius: var(--radius); padding: 32px 20px 20px; margin: -16px -20px -20px; padding-top: 48px; }
.gens li.now::before { left: 20px; top: 20px; }
@media (max-width: 900px) {
  .gens { grid-template-columns: 1fr; gap: 28px; padding-left: 28px; }
  .gens::before { left: 7px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .gens li { padding-top: 0; }
  .gens li::before { left: -28px; top: 4px; }
  .gens li.now { margin: 0; padding: 20px; }
  .gens li.now::before { left: -28px; top: 20px; }
}

/* Call flow diagram */
.flow { background: var(--night); color: var(--night-ink); border-radius: var(--radius); padding: 28px; font-family: var(--mono); font-size: .82rem; }
.flow .flow-title { color: #fff; font-family: var(--display); font-size: 1.15rem; font-weight: 700; margin-bottom: 18px; letter-spacing: -0.01em; }
.flow ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.flow li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; align-items: start; }
.flow li .n { width: 26px; height: 26px; border-radius: 6px; display: grid; place-items: center; background: rgba(255,255,255,.08); color: var(--pulse); font-weight: 500; }
.flow li .step { padding: 10px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 8px; background: rgba(255,255,255,.03); }
.flow li .step b { color: #fff; font-weight: 500; display: block; }
.flow li .step span { color: var(--night-ink); }
.flow li.branch .step { border-left: 3px solid var(--pulse); }
.flow .flow-note { margin-top: 16px; color: var(--night-ink); font-size: .76rem; }

/* Code */
.code { background: var(--night); color: #E6ECF8; border-radius: var(--radius); padding: 22px 24px; font-family: var(--mono); font-size: .82rem; line-height: 1.6; overflow-x: auto; margin: 0; }
.code .c { color: rgba(255,255,255,.45); }
.code .k { color: var(--pulse); }
.code .s { color: #FFD28A; }
.code .f { color: var(--flare); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { border-top: 2px solid var(--night); padding-top: 14px; }
.stat b { font-family: var(--display); font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; color: var(--night); display: block; line-height: 1; font-variation-settings: "wdth" 85; }
.stat span { font-size: .9rem; color: var(--slate); }
.section--night .stat { border-top-color: rgba(255,255,255,.3); }
.section--night .stat b { color: #fff; }
.section--night .stat span { color: var(--night-ink); }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* Page hero (inner pages) */
.page-hero { padding: 72px 0 48px; border-bottom: 1px solid var(--fog-2); }
.page-hero h1 { max-width: 16ch; }
.page-hero .lede { max-width: 62ch; }
.page-hero .meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.chip { font-family: var(--mono); font-size: .75rem; padding: 6px 10px; border-radius: 999px; background: var(--fog); color: var(--graphite); }

/* CTA band */
.cta-band { background: var(--night); color: var(--night-ink); padding: 72px 0; }
.cta-band .container { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; }
@media (max-width: 800px) { .cta-band .container { grid-template-columns: 1fr; } }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--fog-2); border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column; position: relative; }
.plan .tag { position: absolute; top: 20px; right: 20px; font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--flare); }
.plan.featured { border-color: var(--signal); box-shadow: 0 20px 60px rgba(47,107,255,.12); }
.plan .price { font-family: var(--display); font-size: 3rem; font-weight: 700; letter-spacing: -0.04em; color: var(--night); line-height: 1; font-variation-settings: "wdth" 85; margin: 12px 0 4px; }
.plan .price small { font-family: var(--body); font-size: .95rem; font-weight: 600; color: var(--slate); letter-spacing: 0; }
.plan .per { color: var(--slate); font-size: .9rem; margin-bottom: 20px; }
.plan .features { margin: 0 0 24px; }
.plan .btn { margin-top: auto; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } }
.table { width: 100%; border-collapse: collapse; font-size: .98rem; }
.table th, .table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--fog-2); vertical-align: top; }
.table th { font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; color: var(--slate); font-weight: 500; }
.table td:first-child { font-weight: 700; color: var(--night); }
.table .yes { color: var(--signal-deep); font-weight: 700; }
.table .no { color: var(--slate); }
.table-wrap { overflow-x: auto; }

/* Forms */
.form { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.form .full { grid-column: 1 / -1; }
.form label { display: grid; gap: 6px; font-weight: 700; font-size: .92rem; color: var(--night); }
.form input, .form select, .form textarea {
  font: inherit; font-size: 1rem; padding: 12px 14px; border: 1px solid var(--fog-2); border-radius: 10px; background: #fff; color: var(--graphite); width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--signal); outline: none; box-shadow: 0 0 0 3px rgba(47,107,255,.18); }
.form textarea { min-height: 140px; resize: vertical; }
.form .hint { font-weight: 500; color: var(--slate); font-size: .85rem; }
@media (max-width: 700px) { .form { grid-template-columns: 1fr; } }
.contact-aside { display: grid; gap: 20px; align-content: start; }
.contact-aside .card p { margin: 0; }
.contact-aside .big { font-family: var(--display); font-size: 1.6rem; font-weight: 700; color: var(--night); letter-spacing: -0.02em; }

/* Footer */
.site-footer { background: var(--fog); border-top: 1px solid var(--fog-2); padding: 56px 0 32px; font-size: .95rem; color: var(--slate); }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.site-footer h4 { margin-bottom: 12px; font-size: .95rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--graphite); text-decoration: none; }
.site-footer a:hover { color: var(--signal-deep); text-decoration: underline; }
.site-footer .legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid var(--fog-2); padding-top: 20px; font-family: var(--mono); font-size: .75rem; }
@media (max-width: 900px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .site-footer .cols { grid-template-columns: 1fr; } }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .map-path { animation: none; stroke-dashoffset: 0; }
  .map-pulse, .board-head .live::before { animation: none; }
  .btn:hover { transform: none; }
  .card--link:hover { transform: none; }
}

/* Utilities */
.mt-0 { margin-top: 0; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mb-0 { margin-bottom: 0; }
.muted { color: var(--slate); }
.highlight { color: var(--flare); }
.two-col { columns: 2; column-gap: 48px; }
@media (max-width: 800px) { .two-col { columns: 1; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }