/* Kubinfra website — brand tokens taken from the logo */
:root {
  --black: #000000;
  --surface: #0a0e15;
  --surface-2: #101620;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --ink: #eef2f8;
  --muted: #8f9bb0;
  --blue: #1e9bf0;
  --blue-deep: #0d52b0;
  --orange: #f47b20;
  --amber: #fdb913;
  --ok: #34d399;
  --error: #ff6b6b;
  --radius-lg: 28px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1200px;
  --display: "Unbounded", "Figtree", system-ui, sans-serif;
  --body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.05rem; letter-spacing: -0.01em; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--amber); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.tbd { color: var(--muted); font-style: italic; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px; border: 0;
  background: var(--blue); color: #001223;
  font: 700 0.98rem/1 var(--body); text-decoration: none; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px var(--blue); }
.btn-orange { background: var(--orange); color: #1d0a00; }
.btn-orange:hover { box-shadow: 0 10px 30px -10px var(--orange); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line-strong); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn-small { padding: 10px 18px; font-size: 0.9rem; }
.btn-wide { width: 100%; padding: 17px 24px; font-size: 1.02rem; }
.btn[disabled] { opacity: 0.6; cursor: progress; transform: none; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 14px var(--gutter);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.wordmark { font: 800 1.15rem/1 var(--display); letter-spacing: 0.02em; }
.wordmark b { color: var(--orange); font-weight: 800; }
.wordmark i { color: var(--blue); font-style: normal; }
.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.95rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform 0.2s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-menu { display: none; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  max-width: var(--max); margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) var(--gutter) clamp(40px, 6vw, 72px);
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center;
}
.hero::before, .hero::after {
  content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(90px); opacity: 0.45;
  animation: drift 18s ease-in-out infinite alternate;
}
.hero::before { width: 420px; height: 420px; background: var(--blue-deep); top: -60px; left: -120px; }
.hero::after { width: 300px; height: 300px; background: var(--orange); bottom: -40px; right: 8%; opacity: 0.22; animation-duration: 22s; }
@keyframes drift { to { transform: translate(60px, 40px) scale(1.12); } }

.status-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 12px; border-radius: 999px;
  background: rgba(30, 155, 240, 0.08); border: 1px solid rgba(30, 155, 240, 0.3);
  font-size: 0.88rem; font-weight: 600; color: #bfe3ff; margin-bottom: 26px;
}
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 var(--ok); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }

.hero h1 {
  font-size: clamp(2.2rem, 5.2vw, 4rem); font-weight: 800; line-height: 1.04;
  background: linear-gradient(100deg, #ffffff 0%, #ffffff 45%, #9fd5ff 70%, var(--amber) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { margin-top: 24px; color: var(--muted); font-size: 1.12rem; max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.cluster { margin: 0; position: relative; }
#cluster-canvas {
  width: 100%; aspect-ratio: 1 / 0.92; display: block;
  border-radius: var(--radius-lg);
  background: radial-gradient(120% 90% at 50% 0%, rgba(13, 82, 176, 0.28), transparent 60%), var(--surface);
  border: 1px solid var(--line);
}
.cluster-hud {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px;
  margin-top: 14px; padding: 0 4px; font-size: 0.9rem; color: var(--muted);
}
.cluster-hud strong { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 18px 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: scroll 40s linear infinite; }
.marquee-track span { font: 600 1.05rem/1 var(--display); color: #5d6a80; white-space: nowrap; }
.marquee-track span:nth-child(3n+1) { color: #c9d4e6; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- sections shared ---------- */
.doors, .services, .roadmap, .why, .enquire { max-width: var(--max); margin: 0 auto; padding: clamp(64px, 9vw, 120px) var(--gutter) 0; }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; align-items: end; margin-bottom: 44px; }
.section-head p { color: var(--muted); max-width: 32em; }

/* ---------- two doors ---------- */
.doors { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.door {
  position: relative; padding: clamp(28px, 4vw, 44px); border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--line); overflow: hidden;
  display: flex; flex-direction: column; gap: 22px;
}
.door::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; }
.door-learn::before { background: linear-gradient(90deg, var(--blue-deep), var(--blue)); }
.door-run::before { background: linear-gradient(90deg, var(--orange), var(--amber)); }
.door-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.door h2 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 800; }
.door-learn h2 { color: var(--blue); }
.door-run h2 { color: var(--orange); }
.door-tag { font-weight: 600; color: var(--ink); padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-strong); font-size: 0.9rem; }
.door > p { color: var(--muted); }
.door .btn { align-self: flex-start; margin-top: auto; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: currentColor; opacity: 0.18;
}
.ticks li::after {
  content: ""; position: absolute; left: 5px; top: 9px; width: 8px; height: 5px;
  border-left: 2px solid; border-bottom: 2px solid; transform: rotate(-45deg);
}
.door-learn .ticks li::before, .door-learn .ticks li::after { color: var(--blue); border-color: var(--blue); }
.door-run .ticks li::before, .door-run .ticks li::after { color: var(--orange); border-color: var(--orange); }

/* ---------- services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.service { background: var(--black); padding: 28px 24px 30px; display: flex; flex-direction: column; gap: 10px; transition: background 0.2s; }
.service:hover { background: var(--surface); }
.service svg { width: 34px; height: 34px; fill: none; stroke: var(--amber); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 8px; }
.service p { color: var(--muted); font-size: 0.95rem; }

.engagement { margin-top: 56px; }
.engagement h3 { font-size: 1.3rem; margin-bottom: 22px; }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.steps li { counter-increment: step; position: relative; padding: 22px 20px 22px; border-top: 2px solid var(--line-strong); display: flex; flex-direction: column; gap: 6px; }
.steps li::before { content: counter(step); font: 800 2.2rem/1 var(--display); color: transparent; -webkit-text-stroke: 1px var(--orange); margin-bottom: 8px; }
.steps strong { font-family: var(--display); font-size: 1.05rem; }
.steps span { color: var(--muted); font-size: 0.95rem; }
.steps li:last-child { border-top-color: var(--orange); }

/* ---------- roadmap ---------- */
.modules { list-style: none; counter-reset: mod; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.modules li {
  counter-increment: mod; position: relative;
  padding: 24px 24px 26px 24px; border-radius: var(--radius-md);
  background: var(--surface); border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px;
}
.modules li::after {
  content: counter(mod, decimal-leading-zero); position: absolute; right: 20px; top: 16px;
  font: 800 2.4rem/1 var(--display); color: rgba(255, 255, 255, 0.06);
}
.modules .days { font-size: 0.85rem; font-weight: 700; color: var(--blue); }
.modules .hot .days { color: var(--amber); }
.modules .hot { border-color: rgba(244, 123, 32, 0.35); background: linear-gradient(160deg, rgba(244, 123, 32, 0.09), var(--surface) 55%); }
.modules h3 { font-size: 1.02rem; max-width: 15em; }
.modules p { color: var(--muted); font-size: 0.93rem; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 28px 0 0; }
.facts div { padding: 18px 20px; border-radius: var(--radius-sm); border: 1px dashed var(--line-strong); }
.facts dt { color: var(--muted); font-size: 0.85rem; }
.facts dd { margin: 4px 0 0; font-weight: 700; }

/* ---------- why ---------- */
.why { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.why-copy { display: grid; gap: 18px; }
.why-copy h2 { margin-bottom: 6px; }
.why-copy p { color: var(--muted); }
.creds { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.creds li { display: flex; align-items: center; gap: 18px; padding: 16px 18px; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--line); }
.cred-code {
  flex: none; min-width: 74px; text-align: center; padding: 10px 8px; border-radius: var(--radius-sm);
  font: 800 1rem/1 var(--display); color: var(--black); background: linear-gradient(135deg, var(--blue), #7cc8ff);
}
.creds li:nth-child(2) .cred-code { background: linear-gradient(135deg, var(--orange), var(--amber)); }
.creds li:last-child .cred-code { background: var(--ink); }

/* ---------- enquiry ---------- */
.enquire { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 6vw, 80px); align-items: start; padding-bottom: clamp(64px, 9vw, 120px); }
.enquire-copy { display: grid; gap: 22px; position: sticky; top: 110px; }
.enquire-copy p { color: var(--muted); }
.contact-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 14px; }
.contact-list li { display: grid; gap: 2px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.contact-list li > span:first-child { color: var(--muted); font-size: 0.85rem; }
.contact-list a { text-decoration: none; font-weight: 600; }

.form {
  padding: clamp(24px, 4vw, 40px); border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--line);
  display: grid; gap: 18px;
  box-shadow: 0 40px 120px -60px rgba(30, 155, 240, 0.55);
}
.interest { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.interest legend { font-weight: 600; margin-bottom: 10px; width: 100%; }
.interest label { position: relative; }
.interest input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.interest span { display: inline-block; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line-strong); font-weight: 600; transition: all 0.15s; }
.interest input:checked + span { background: var(--ink); color: var(--black); border-color: var(--ink); }
.interest input:focus-visible + span { outline: 2px solid var(--amber); outline-offset: 2px; }

.field { display: grid; gap: 7px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.opt { color: var(--muted); font-weight: 400; }
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%; padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--black); color: var(--ink); border: 1px solid var(--line-strong);
  font: 500 1rem/1.3 var(--body); transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { resize: vertical; min-height: 92px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30, 155, 240, 0.25); }
.phone { display: grid; grid-template-columns: 92px 1fr; gap: 8px; }
select { appearance: none; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
.field.invalid input { border-color: var(--error); }
.err { color: var(--error); font-size: 0.86rem; min-height: 0; }
.err:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: 0.92rem; cursor: pointer; }
.consent input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--blue); flex: none; }
.form-status { font-weight: 600; text-align: center; }
.form-status:empty { display: none; }
.form-status.ok { color: var(--ok); }
.form-status.fail { color: var(--error); }
.form.sent { text-align: center; place-items: center; min-height: 420px; }
.sent-mark { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; background: rgba(52, 211, 153, 0.12); }
.sent-mark svg { width: 34px; height: 34px; stroke: var(--ok); stroke-width: 2.5; fill: none; stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw 0.6s 0.1s ease forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.form.sent h3 { font-size: 1.5rem; }
.form.sent p { color: var(--muted); max-width: 26em; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 40px var(--gutter) 32px; }
.footer-top { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-top p { color: var(--muted); }
.social { margin-left: auto; display: flex; gap: 20px; list-style: none; padding: 0; }
.social a { text-decoration: none; }
.legal { max-width: var(--max); margin: 28px auto 0; color: #5d6a80; font-size: 0.8rem; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .modules { grid-template-columns: repeat(2, 1fr); }
  .facts, .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav nav, .nav .btn-small { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .mobile-menu:not([hidden]) {
    display: grid; gap: 4px; position: fixed; top: 65px; left: 0; right: 0; z-index: 49;
    padding: 16px var(--gutter) 24px; background: rgba(0, 0, 0, 0.94); border-bottom: 1px solid var(--line);
  }
  .mobile-menu a:not(.btn) { padding: 12px 0; text-decoration: none; font-weight: 600; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .mobile-menu .btn { margin-top: 12px; }
  .hero, .doors, .why, .enquire, .section-head { grid-template-columns: 1fr; }
  .enquire-copy { position: static; }
  .hero { padding-top: 40px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .service-grid, .modules, .facts, .steps { grid-template-columns: 1fr; }
  .cta-row .btn { flex: 1 1 100%; }
  .social { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}