/* Telasight — marketing site
   Direction: clinical precision. Paper-white field, deep navy ink, the logo's
   cyan→electric-blue gradient as the single accent, concentric optic rings as motif. */

/* Fonts are loaded via <link> in each page head (faster than @import). */

:root {
  --ink: #071537;
  --ink-2: #33415f;
  --ink-3: #66728c;
  --paper: #f6f9fc;
  --paper-2: #edf3f9;
  --white: #ffffff;
  --rule: #d9e2ee;
  --blue: #0033ff;
  --cyan: #22ffe8;
  --cyan-deep: #00b8d4;
  --grad: linear-gradient(135deg, #22ffe8 0%, #13a6f5 45%, #0033ff 100%);
  --navy: #06112e;
  --navy-2: #0c1d47;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(7,21,55,.06), 0 12px 32px -12px rgba(7,21,55,.18);
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--cyan-deep); outline-offset: 3px; border-radius: 6px;
}
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue); margin: 0 0 18px; display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--grad); border-radius: 2px; }
h1, h2, h3 { margin: 0; font-weight: 400; }
h1, h2 { font-family: var(--serif); letter-spacing: -.01em; line-height: 1.04; }
h2 { font-size: clamp(36px, 4.6vw, 58px); }
h3 { font-family: var(--sans); font-weight: 650; font-size: 19px; line-height: 1.3; }
em.accent { font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
.lede { font-size: 20px; color: var(--ink-2); max-width: 640px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,249,252,.86); -webkit-backdrop-filter: saturate(160%) blur(14px); backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--rule); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand .mark { width: 38px; height: 38px; }
.brand .word { height: 26px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 15.5px; font-weight: 500; }
.nav-links a:hover { color: var(--blue); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font: 600 15.5px/1 var(--sans); text-decoration: none; cursor: pointer;
  padding: 14px 22px; border-radius: 999px; border: 1.5px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 22px -8px rgba(0,51,255,.55); }
.btn-primary:hover { box-shadow: 0 12px 28px -8px rgba(0,51,255,.6); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink-3); }
.btn-sm { padding: 10px 16px; font-size: 14.5px; white-space: nowrap; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; }
.hero::before {
  /* concentric optic rings, echoing the logo */
  content: ""; position: absolute; right: -240px; top: -200px; width: 980px; height: 980px; border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 22%, rgba(0,51,255,.07) 22% 22.4%, transparent 22.4% 33%,
      rgba(19,166,245,.08) 33% 33.4%, transparent 33.4% 46%, rgba(34,255,232,.12) 46% 46.5%,
      transparent 46.5% 60%, rgba(0,51,255,.06) 60% 60.3%, transparent 60.3%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; }
.hero h1 { font-size: clamp(52px, 7.4vw, 96px); margin-bottom: 26px; }
.hero .lede { margin: 0 0 34px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; font-size: 14.5px; color: var(--ink-3); display: flex; gap: 18px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-deep); }

/* sample summary card */
.summary-card {
  position: relative; background: var(--white); border-radius: 22px; box-shadow: var(--shadow);
  border: 1px solid var(--rule); padding: 26px 26px 22px; font-size: 14.5px; line-height: 1.5;
  transform: rotate(.6deg);
}
.summary-card::after {
  content: ""; position: absolute; inset: -1px; border-radius: 22px; padding: 1.5px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: .55; pointer-events: none;
}
.sc-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; }
.sc-tabs { display: inline-flex; background: var(--paper-2); border-radius: 999px; padding: 3px; gap: 2px; }
.sc-tabs button {
  font: 500 12.5px var(--sans); color: var(--ink-3); background: transparent; border: 0; border-radius: 999px;
  padding: 6px 12px; cursor: pointer; -webkit-appearance: none; appearance: none;
}
.sc-tabs .tab-spec { color: #0e7d70; }
.sc-tabs button[aria-selected="true"] { background: var(--white); color: var(--blue); box-shadow: 0 1px 3px rgba(7,21,55,.12); }
.sc-chip { font-family: var(--mono); font-size: 11px; color: #047857; background: #e7f8f0; border-radius: 999px; padding: 4px 10px; white-space: nowrap; }
.sc-head { margin: 0 0 12px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); font-size: 14px; color: var(--ink-3); }
.sc-head strong { color: var(--ink); font-size: 16px; }
.sc-body { min-height: 318px; }
.sc-body p { margin: 0 0 7px; color: var(--ink-2); }
.sc-body strong { color: var(--ink); font-weight: 700; }
.sc-body strong.sc-flag, .sc-flag { color: #b42318; }
.sc-foot { margin: 10px 0 0; font-size: 12px; color: var(--ink-3); font-style: italic; }
.hero-visual { position: relative; }

/* data visualization cards (fictional data) */
.viz { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 56px; }
.viz-card { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px 24px 26px; min-width: 0; }
.viz-wide { grid-column: 1 / -1; }
.viz-title { font-family: var(--mono); font-size: 12.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); margin: 0 0 4px; }
.viz-sub { font-size: 14.5px; color: var(--ink-3); margin: 0 0 18px; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tile { border-radius: 12px; padding: 14px 16px; border: 1px solid; font-size: 14.5px; line-height: 1.35; }
.tile b { display: block; font-weight: 700; margin-bottom: 3px; }
.t-green { background: #ecfbf3; border-color: #a7e6c4; color: #05603a; }
.t-amber { background: #fff8eb; border-color: #f6d39a; color: #93370d; }
.t-red { background: #fff1f0; border-color: #f7b9b3; color: #a01a10; }
.tl { font-size: 13.5px; }
.tl-row, .tl-axis { display: grid; grid-template-columns: 96px 1fr; align-items: center; gap: 12px; }
.tl-row { height: 34px; }
.tl-name { color: var(--ink-2); }
.tl-track { position: relative; height: 12px; }
.tl-track .bar { position: absolute; top: 0; height: 12px; border-radius: 6px; }
.b-blue { background: var(--blue); }
.b-faded { background: #9db1f5; }
.b-green { background: #7fd8a8; }
.tl-note { position: absolute; right: 0; top: -17px; font-style: normal; font-size: 11.5px; color: #b42318; white-space: nowrap; }
.tl-event .tl-name { color: var(--ink-3); font-size: 12.5px; }
.pin { position: absolute; top: -2px; width: 4px; height: 16px; margin-left: -2px; border-radius: 2px; background: var(--cyan-deep); }
.pin::after { content: ""; position: absolute; left: -4px; top: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--cyan-deep); box-shadow: 0 0 0 3px rgba(0,184,212,.18); }
.tl-axis { margin-top: 8px; border-top: 1px solid var(--rule); padding-top: 6px; }
.tl-axis div { position: relative; height: 18px; }
.tl-axis b { position: absolute; transform: translateX(-50%); font: 400 11.5px var(--mono); color: var(--ink-3); }
.tl-axis b:first-child { transform: none; }
.eyes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.eyes table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.eyes caption { text-align: left; font-weight: 700; color: var(--blue); font-size: 13.5px; padding-bottom: 6px; }
.eyes th, .eyes td { border: 1px solid var(--rule); padding: 7px 8px; text-align: left; background: var(--white); }
.eyes thead th { font-weight: 600; color: var(--ink-2); background: var(--paper-2); }
.eyes tbody th { font-weight: 600; }
.d-up { color: #b42318; font-weight: 700; }
.d-down { color: #067647; font-weight: 700; }
.d-flat { color: var(--ink-3); }
.viz-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.legend { display: flex; gap: 14px; font: 600 12.5px var(--sans); color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend span::before { content: ""; width: 16px; height: 3px; border-radius: 2px; }
.k-od::before { background: var(--blue); }
.k-os::before { background: #10b5a3; }
.viz-tag { display: inline-block; margin-left: 4px; font: 500 11px var(--mono); letter-spacing: .04em; color: var(--ink-3); background: var(--paper-2); border-radius: 6px; padding: 1px 7px; white-space: nowrap; }
.trend { display: block; width: 100%; height: auto; overflow: visible; }
.trend .grid { stroke: var(--rule); stroke-width: 1; }
.trend .axis { stroke: #b8c5d8; stroke-width: 1; }
.trend .ylab, .trend .xlab { font: 400 11px var(--mono); fill: var(--ink-3); }
.trend .ylab { text-anchor: end; }
.trend .xlab { text-anchor: middle; }
.trend .band { fill: rgba(16,181,163,.07); }
.trend .target { stroke: #10b5a3; stroke-width: 1.2; stroke-dasharray: 5 4; }
.trend .event { stroke: var(--cyan-deep); stroke-width: 1.2; stroke-dasharray: 2 3; }
.trend .note { font: 500 11px var(--sans); fill: var(--ink-3); }
.trend .od, .trend .os { fill: none; stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.trend .od { stroke: var(--blue); }
.trend .os { stroke: #10b5a3; }
.trend .od-pts { fill: var(--blue); }
.trend .os-pts { fill: #10b5a3; }
.viz-foot { margin: 18px 0 0; font-size: 12.5px; color: var(--ink-3); font-style: italic; }
.float-pill {
  position: absolute; background: var(--navy); color: #fff; border-radius: 14px; padding: 12px 14px;
  font-size: 13px; box-shadow: var(--shadow); display: flex; gap: 10px; align-items: center;
}
.float-pill .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(34,255,232,.2); }
.pill-a { z-index: 2; left: -28px; bottom: -24px; transform: rotate(-2deg); }
.pill-b { z-index: 2; right: -14px; top: -22px; transform: rotate(2deg); background: var(--white); color: var(--ink); border: 1px solid var(--rule); }
.pill-b .dot { background: var(--blue); box-shadow: 0 0 0 4px rgba(0,51,255,.12); }

/* ---------- sections ---------- */
section { padding: 104px 0; }
.band { background: var(--white); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.split p { color: var(--ink-2); margin: 0 0 18px; }
.big-number { font-family: var(--serif); font-size: clamp(88px, 12vw, 160px); line-height: .9; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.big-caption { font-family: var(--mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-top: 10px; }

.features { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-top: 56px; }
.feature {
  grid-column: span 2; background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s, transform .2s;
}
.feature:hover { border-color: #b9c8de; transform: translateY(-2px); }
.feature .icon { width: 42px; height: 42px; border-radius: 12px; background: var(--paper-2); display: grid; place-items: center; margin-bottom: 18px; color: var(--blue); }
.feature p { color: var(--ink-2); margin: 10px 0 0; font-size: 16.5px; }

/* brain eyes ears */
.bee { background: var(--navy); color: #e7edf8; position: relative; overflow: hidden; }
.bee::before {
  content: ""; position: absolute; left: 50%; top: 58%; width: 1300px; height: 1300px; transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(circle, rgba(34,255,232,.10) 0 8%, transparent 8% 20%, rgba(19,166,245,.08) 20% 20.3%, transparent 20.3% 32%, rgba(0,51,255,.18) 32% 32.25%, transparent 32.25% 46%, rgba(34,255,232,.06) 46% 46.2%, transparent 46.2%);
}
.bee .wrap { position: relative; }
.bee h2 { color: #fff; max-width: 820px; }
.bee .lede { color: #b8c4dc; margin-top: 22px; }
.bee .eyebrow { color: var(--cyan); }
.channels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 60px; }
.channel {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius);
  padding: 30px 28px; backdrop-filter: blur(4px);
}
.channel .label { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
.channel h3 { color: #fff; font-family: var(--serif); font-weight: 400; font-size: 36px; margin: 10px 0 4px; }
.channel .sub { color: #8fa1c4; font-size: 15px; margin-bottom: 14px; }
.channel p { color: #cdd6e8; font-size: 16.5px; margin: 0; }
.channel svg { width: 34px; height: 34px; color: var(--cyan); }
.converge { display: flex; justify-content: center; margin-top: 34px; }
.converge-line { width: 2px; height: 46px; background: linear-gradient(var(--cyan), transparent); }
.soap {
  margin: 0 auto; max-width: 760px; text-align: center; background: var(--grad); color: var(--navy);
  border-radius: 999px; padding: 18px 28px; font-weight: 650; font-size: 18px;
}

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 56px; border-top: 1px solid var(--rule); }
.step { padding: 34px 30px 0 0; }
.step + .step { padding-left: 30px; border-left: 1px solid var(--rule); }
.step .num { font-family: var(--serif); font-size: 64px; line-height: 1; color: transparent; -webkit-text-stroke: 1.2px var(--blue); }
.step h3 { margin: 18px 0 8px; font-size: 22px; }
.step p { color: var(--ink-2); margin: 0; }

/* trust */
.trust { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 48px; }
.trust div { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 20px; font-size: 15.5px; color: var(--ink-2); }
.trust div::before { content: ""; display: block; width: 26px; height: 3px; border-radius: 3px; background: var(--grad); margin-bottom: 14px; }

/* cta + form */
.cta { padding-bottom: 120px; }
.cta-box {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; background: var(--white);
  border: 1px solid var(--rule); border-radius: 28px; padding: 56px; box-shadow: var(--shadow);
}
.cta-box h2 { margin-bottom: 18px; }
.cta-box .lede { font-size: 18px; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin: 0 0 6px; }
form .field { margin-bottom: 14px; }
form input, form select, form textarea {
  width: 100%; font: 400 16px var(--sans); color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--rule); border-radius: 12px; padding: 12px 14px;
}
form textarea { min-height: 96px; resize: vertical; }
form input:focus, form select:focus, form textarea:focus { border-color: var(--blue); background: #fff; outline: none; box-shadow: 0 0 0 4px rgba(0,51,255,.1); }
.req { color: var(--blue); }
.phi-note { font-size: 13.5px; color: var(--ink-3); margin: 6px 0 18px; padding: 12px 14px; border-left: 3px solid var(--cyan-deep); background: var(--paper); border-radius: 0 10px 10px 0; }
.form-status { margin-top: 14px; font-weight: 600; }
.form-status.ok { color: #047857; }
.form-status.err { color: #b42318; }
.hp { position: absolute; left: -10000px; }

/* footer */
.site-footer { background: var(--navy); color: #a9b5cd; padding: 56px 0 40px; font-size: 15px; }
.foot { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.foot .brand .word { height: 24px; }
.foot nav { display: flex; gap: 26px; flex-wrap: wrap; }
.site-footer a { color: #dbe4f4; text-decoration: none; }
.site-footer a:hover { color: var(--cyan); }
.copy { margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 13.5px; color: #7f8dab; }

/* sub pages */
.page-hero { padding: 72px 0 40px; }
.page-hero h1 { font-size: clamp(48px, 6vw, 76px); }
.prose { max-width: 780px; padding-bottom: 110px; }
.prose p, .prose li { color: var(--ink-2); }
.prose h2 { font-family: var(--sans); font-weight: 650; font-size: 22px; margin: 34px 0 10px; line-height: 1.3; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose .meta { font-family: var(--mono); font-size: 13px; color: var(--ink-3); letter-spacing: .04em; }
.prose strong { color: var(--ink); }
.org-list { display: grid; gap: 12px; margin: 8px 0 8px; }
.org { display: flex; align-items: center; justify-content: space-between; gap: 18px; background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px 22px; }
.org h3 { margin: 0 0 2px; }
.org p { margin: 0; font-size: 15.5px; }
.org-login { font-size: 15.5px; margin-top: 28px; }
.notfound { min-height: 50vh; }
@media (max-width: 640px) { .org { flex-direction: column; align-items: flex-start; } }
.about-lead { font-family: var(--serif); font-size: clamp(28px, 3.2vw, 38px); line-height: 1.2; color: var(--ink); margin: 0 0 32px; }

/* reveal motion */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: .08s; }
.hero .reveal:nth-child(3) { transition-delay: .16s; }
.hero .reveal:nth-child(4) { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .feature { transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .split, .cta-box { grid-template-columns: 1fr; }
  .hero-grid { gap: 64px; }
  .summary-card { max-width: 560px; }
  .features { grid-template-columns: 1fr 1fr; }
  .feature { grid-column: span 1; }
  .channels { grid-template-columns: 1fr; }
  .viz { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 36px 28px; }
}
@media (max-width: 860px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .menu-toggle { display: block; }
  .site-header.open .nav-links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 18px;
    position: absolute; top: 76px; left: 0; right: 0; background: var(--paper);
    padding: 22px 24px 28px; border-bottom: 1px solid var(--rule);
  }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  section { padding: 76px 0; }
  .hero { padding: 40px 0 72px; }
  .wrap { padding: 0 16px; }
  .nav-cta .btn-sm { padding: 9px 13px; font-size: 13.5px; }
  .brand .word { width: 92px; height: auto; }
  .features, .trust { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 28px 0 0; border-left: 0; }
  form .row { grid-template-columns: 1fr; }
  .pill-a { left: -6px; }
  .pill-b { right: -6px; }
  .nav-cta .btn-primary { padding: 10px 14px; font-size: 14px; }
  .summary-card { padding: 20px 16px 18px; }
  .sc-top { flex-direction: column-reverse; align-items: flex-start; }
  .sc-tabs button { padding: 6px 10px; font-size: 12px; }
  .sc-body { min-height: 0; }
  .tiles, .eyes { grid-template-columns: 1fr; }
  .tl-row, .tl-axis { grid-template-columns: 78px 1fr; gap: 8px; }
  .viz-card { padding: 20px 16px 22px; }
  .trend .ylab, .trend .xlab, .trend .note { font-size: 17px; }
  .trend .od, .trend .os { stroke-width: 3.4; }
}