/* ============================================================
   Sookle | main stylesheet
   Dark, technical theme with animated wave accents.
   ============================================================ */

:root {
  --bg: #050a14;
  --bg-2: #081020;
  --panel: #0c1728;
  --panel-2: #101d31;
  --line: rgba(146, 184, 222, 0.14);
  --line-strong: rgba(146, 184, 222, 0.28);
  --text: #dce8f5;
  --muted: #92a6bc;
  --faint: #64788f;
  --cyan: #2fd4ee;
  --cyan-deep: #0ea5c4;
  --blue: #3d8bfd;
  --violet: #7d6cf0;
  --amber: #f5b84d;
  --ok: #3ecf8e;
  --err: #f06a6a;
  --radius: 14px;
  --radius-sm: 9px;
  --wrap: 1160px;
  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(47, 212, 238, 0.28); }

img, svg { max-width: 100%; display: block; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: #eef5fc;
}

h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.22rem; }

p { color: var(--muted); }

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- utility ---------- */

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}

.kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  border-radius: 2px;
}

.lede {
  font-size: 1.13rem;
  max-width: 46rem;
}

.grad-text {
  background: linear-gradient(94deg, var(--cyan) 10%, var(--blue) 55%, var(--violet) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.center { text-align: center; }
.center .lede { margin-inline: auto; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(94deg, var(--cyan-deep), var(--blue));
  color: #04121c;
  color: #eafcff;
  box-shadow: 0 8px 28px rgba(23, 156, 196, 0.32);
}

.btn-primary:hover { box-shadow: 0 12px 34px rgba(23, 156, 196, 0.45); }

.btn-ghost {
  background: rgba(146, 184, 222, 0.06);
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn svg { width: 17px; height: 17px; }

/* ---------- header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(5, 10, 20, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  color: #eef5fc;
}

.logo:hover { text-decoration: none; }
.logo .mark { width: 34px; height: 34px; flex: none; }
.logo em { font-style: normal; color: var(--cyan); }

.main-nav { display: flex; align-items: center; gap: 30px; }

.main-nav a {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
}

.main-nav a:hover { color: var(--text); text-decoration: none; }

.main-nav a.active { color: var(--cyan); }

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.header-cta { flex: none; }
.header-cta .btn { padding: 10px 21px; font-size: 0.88rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  width: 42px; height: 42px;
  cursor: pointer;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 150px 0 120px;
  overflow: hidden;
  isolation: isolate;
}

.hero.short { min-height: 0; padding: 165px 0 60px; }

#waves {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.hero-glow {
  position: absolute;
  z-index: -1;
  width: 720px; height: 720px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
}

.hero-glow.one { background: radial-gradient(circle, rgba(14, 116, 168, 0.55), transparent 65%); top: -240px; right: -160px; }
.hero-glow.two { background: radial-gradient(circle, rgba(94, 76, 214, 0.4), transparent 65%); bottom: -300px; left: -220px; }

.hero-content { max-width: 46rem; position: relative; }

.hero .lede { margin-top: 22px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0 44px;
  margin-top: 58px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.hero-stats div { padding: 6px 0; }

.hero-stats b {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: #eef5fc;
}

.hero-stats span { font-size: 0.86rem; color: var(--faint); }

/* ---------- badge strip ---------- */

.badge-strip {
  border-block: 1px solid var(--line);
  background: rgba(12, 23, 40, 0.5);
  padding: 17px 0;
  overflow: hidden;
}

.badge-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 34px;
}

.badge-strip span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--faint);
  text-transform: uppercase;
}

.badge-strip svg { width: 15px; height: 15px; color: var(--cyan); opacity: 0.8; }

/* ---------- sections ---------- */

.section { padding: 108px 0; position: relative; }
.section.alt { background: var(--bg-2); }

.section-head { max-width: 46rem; margin-bottom: 58px; }
.section-head.center { margin-inline: auto; }

.wave-divider { display: block; width: 100%; height: 70px; margin-bottom: -1px; }
.wave-divider path { fill: var(--bg-2); }
.wave-divider.to-dark path { fill: var(--bg); }

/* ---------- cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 44px rgba(2, 8, 18, 0.55);
}

.card:hover::before { opacity: 1; }

.card .icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(47, 212, 238, 0.09);
  border: 1px solid rgba(47, 212, 238, 0.22);
  margin-bottom: 22px;
}

.card .icon svg { width: 24px; height: 24px; color: var(--cyan); }

.card h3 { margin-bottom: 11px; }
.card p { font-size: 0.96rem; }

.card .more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: 0.87rem;
  font-weight: 600;
}

.card .more svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.card:hover .more svg { transform: translateX(4px); }

/* ---------- feature split ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.split.reverse > .split-visual { order: 2; }

.split h2 { margin-bottom: 18px; }
.split .lede { font-size: 1.04rem; }

.check-list { list-style: none; margin-top: 26px; display: grid; gap: 13px; }

.check-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 0.98rem;
}

.check-list svg {
  width: 20px; height: 20px;
  flex: none;
  margin-top: 3px;
  color: var(--cyan);
}

.check-list b { color: var(--text); font-weight: 600; }

.split-visual {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--panel), #0a1526 70%);
  padding: 30px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.split-visual svg.viz { width: 100%; height: auto; }

/* ---------- kilowatic banner ---------- */

.product-banner {
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background:
    radial-gradient(1000px 380px at 85% -40%, rgba(47, 212, 238, 0.13), transparent 60%),
    linear-gradient(150deg, var(--panel), #0a1424);
  padding: 58px 54px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.product-banner .tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid rgba(245, 184, 77, 0.35);
  background: rgba(245, 184, 77, 0.08);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 20px;
}

.product-banner h2 { margin-bottom: 14px; }

/* ---------- steps ---------- */

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; counter-reset: step; }

.step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
  counter-increment: step;
}

.step::before {
  content: "0" counter(step);
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  display: inline-block;
  border: 1px solid rgba(47, 212, 238, 0.3);
  background: rgba(47, 212, 238, 0.08);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.step h3 { font-size: 1.08rem; margin-bottom: 9px; }
.step p { font-size: 0.93rem; }

/* ---------- partner logos / regions ---------- */

.region-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }

.region {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 28px;
}

.region .flag { font-size: 1.6rem; margin-bottom: 12px; display: block; }
.region h3 { font-size: 1.05rem; margin-bottom: 7px; }
.region p { font-size: 0.92rem; }
.region .status {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 4px 12px;
}
.region .status.live { color: var(--ok); background: rgba(62, 207, 142, 0.1); border: 1px solid rgba(62, 207, 142, 0.3); }
.region .status.open { color: var(--amber); background: rgba(245, 184, 77, 0.08); border: 1px solid rgba(245, 184, 77, 0.3); }

/* ---------- forms ---------- */

.form-panel {
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }

.field label {
  font-family: var(--font-head);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text);
}

.field label span { color: var(--cyan); }

.field input,
.field select,
.field textarea {
  background: rgba(5, 10, 20, 0.6);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.96rem;
  padding: 13px 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2392a6bc' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 42px; }

.field select option { background: var(--panel); color: var(--text); }

.field textarea { resize: vertical; min-height: 130px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 212, 238, 0.14);
}

.field input::placeholder,
.field textarea::placeholder { color: var(--faint); }

.field .hint { font-size: 0.8rem; color: var(--faint); }

.checkbox-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--muted);
}

.checkbox-row input {
  width: 18px; height: 18px;
  margin-top: 3px;
  accent-color: var(--cyan-deep);
  flex: none;
}

.form-actions { margin-top: 30px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

.form-note { font-size: 0.85rem; color: var(--faint); }

.form-status {
  display: none;
  margin-top: 22px;
  border-radius: var(--radius-sm);
  padding: 15px 18px;
  font-size: 0.94rem;
}

.form-status.ok { display: block; background: rgba(62, 207, 142, 0.09); border: 1px solid rgba(62, 207, 142, 0.35); color: var(--ok); }
.form-status.err { display: block; background: rgba(240, 106, 106, 0.09); border: 1px solid rgba(240, 106, 106, 0.35); color: var(--err); }

/* ---------- CTA band ---------- */

.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(900px 400px at 15% 120%, rgba(125, 108, 240, 0.18), transparent 60%),
    radial-gradient(900px 400px at 85% -20%, rgba(47, 212, 238, 0.16), transparent 60%),
    linear-gradient(150deg, #0d1a2e, #091223);
  padding: 68px 54px;
  text-align: center;
}

.cta-band h2 { margin-bottom: 14px; }
.cta-band p { max-width: 38rem; margin-inline: auto; }
.cta-band .hero-actions { justify-content: center; margin-top: 32px; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: #04080f;
  padding: 70px 0 34px;
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 54px;
}

.footer-grid h4 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 18px;
}

.footer-grid ul { list-style: none; display: grid; gap: 11px; }

.footer-grid ul a { color: var(--muted); font-size: 0.93rem; }
.footer-grid ul a:hover { color: var(--cyan); }

.footer-about p { font-size: 0.92rem; margin-top: 16px; max-width: 21rem; }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--faint);
}

.footer-bottom a { color: var(--faint); }
.footer-bottom a:hover { color: var(--cyan); }

/* ---------- page hero (inner pages) ---------- */

.breadcrumbs { font-size: 0.86rem; color: var(--faint); margin-bottom: 20px; }
.breadcrumbs a { color: var(--faint); }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs span { margin: 0 8px; opacity: 0.5; }

/* ---------- values / about ---------- */

.value-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }

.stat-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 22px;
  text-align: center;
}

.stat-band .stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 32px 20px;
}

.stat-band b {
  display: block;
  font-family: var(--font-head);
  font-size: 2.1rem;
  font-weight: 700;
  background: linear-gradient(94deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-band span { font-size: 0.88rem; color: var(--faint); }

/* ---------- FAQ ---------- */

.faq { display: grid; gap: 14px; max-width: 52rem; margin-inline: auto; }

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  padding: 0 24px;
  transition: border-color 0.2s ease;
}

.faq details[open] { border-color: var(--line-strong); }

.faq summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--cyan);
  flex: none;
  transition: transform 0.2s ease;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p { padding-bottom: 22px; font-size: 0.95rem; }

/* ---------- contact ---------- */

.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items: start; }

.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.contact-card .icon {
  width: 44px; height: 44px;
  flex: none;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: rgba(47, 212, 238, 0.09);
  border: 1px solid rgba(47, 212, 238, 0.22);
}

.contact-card .icon svg { width: 21px; height: 21px; color: var(--cyan); }
.contact-card h3 { font-size: 1rem; margin-bottom: 5px; }
.contact-card p { font-size: 0.92rem; }

/* ---------- HUD decoration ---------- */

/* faint technical grid over hero sections, faded out to the edges */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(146, 184, 222, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(146, 184, 222, 0.055) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 62% 40%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 90% 80% at 62% 40%, #000 0%, transparent 72%);
}

/* dotted texture on alternate sections, like HUD panel backgrounds */
.section.alt {
  background-image: radial-gradient(rgba(146, 184, 222, 0.07) 1px, transparent 1.6px);
  background-size: 26px 26px;
}

/* corner brackets, applied to panels and visuals */
.hud-corners { position: relative; }

.hud-corners::after {
  content: "";
  position: absolute;
  inset: 9px;
  pointer-events: none;
  --hc: rgba(47, 212, 238, 0.55);
  background:
    linear-gradient(var(--hc), var(--hc)) left 0 top 0 / 20px 2px,
    linear-gradient(var(--hc), var(--hc)) left 0 top 0 / 2px 20px,
    linear-gradient(var(--hc), var(--hc)) right 0 top 0 / 20px 2px,
    linear-gradient(var(--hc), var(--hc)) right 0 top 0 / 2px 20px,
    linear-gradient(var(--hc), var(--hc)) left 0 bottom 0 / 20px 2px,
    linear-gradient(var(--hc), var(--hc)) left 0 bottom 0 / 2px 20px,
    linear-gradient(var(--hc), var(--hc)) right 0 bottom 0 / 20px 2px,
    linear-gradient(var(--hc), var(--hc)) right 0 bottom 0 / 2px 20px;
  background-repeat: no-repeat;
}

/* telemetry readout floated over the globe on the home hero */
.hud-readout {
  position: absolute;
  right: 7%;
  bottom: 16%;
  z-index: 2;
  font-family: Consolas, "Cascadia Mono", Menlo, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  color: rgba(140, 214, 234, 0.85);
  background: rgba(7, 14, 27, 0.55);
  border: 1px solid rgba(47, 212, 238, 0.28);
  border-radius: 4px;
  padding: 16px 20px;
  backdrop-filter: blur(6px);
  min-width: 240px;
}

.hud-readout::before {
  content: "";
  position: absolute;
  inset: 5px;
  pointer-events: none;
  --hc: rgba(47, 212, 238, 0.6);
  background:
    linear-gradient(var(--hc), var(--hc)) left 0 top 0 / 12px 1.5px,
    linear-gradient(var(--hc), var(--hc)) left 0 top 0 / 1.5px 12px,
    linear-gradient(var(--hc), var(--hc)) right 0 bottom 0 / 12px 1.5px,
    linear-gradient(var(--hc), var(--hc)) right 0 bottom 0 / 1.5px 12px;
  background-repeat: no-repeat;
}

.hud-readout .hr-title {
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.68rem;
  margin-bottom: 9px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-readout .hr-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(47, 212, 238, 0.5), transparent);
}

.hud-readout .hr-row {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  padding: 2.5px 0;
}

.hud-readout .hr-row b {
  font-weight: 400;
  color: #d7f4fc;
}

.hud-readout .hr-row .ok { color: var(--ok); }

.hud-readout .blink {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ok);
  animation: pulse-dot 2s ease-in-out infinite;
}

@media (max-width: 1100px) {
  .hud-readout { display: none; }
}

/* ---------- reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: none; }

.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ---------- animated wave line decorations ---------- */

.wave-lines { position: absolute; inset: auto 0 0 0; z-index: -1; opacity: 0.5; pointer-events: none; }

@keyframes drift-a {
  from { transform: translateX(0); }
  to { transform: translateX(-620px); }
}

@keyframes drift-b {
  from { transform: translateX(-620px); }
  to { transform: translateX(0); }
}

.wave-lines .la { animation: drift-a 26s linear infinite; }
.wave-lines .lb { animation: drift-b 34s linear infinite; }
.wave-lines .lc { animation: drift-a 44s linear infinite; }

@keyframes pulse-dot {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}

.viz .pulse { animation: pulse-dot 2.6s ease-in-out infinite; }
.viz .pulse.p2 { animation-delay: 0.6s; }
.viz .pulse.p3 { animation-delay: 1.2s; }

@keyframes dash-flow {
  to { stroke-dashoffset: -240; }
}

.viz .flow {
  stroke-dasharray: 6 10;
  animation: dash-flow 7s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wave-lines .la, .wave-lines .lb, .wave-lines .lc,
  .viz .pulse, .viz .flow { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .split, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .split.reverse > .split-visual { order: 0; }
  .product-banner { grid-template-columns: 1fr; padding: 44px 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0; right: 0;
    background: rgba(5, 10, 20, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 28px 30px;
    gap: 20px;
    display: none;
  }

  .main-nav.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  h1 { font-size: clamp(1.9rem, 9vw, 2.4rem); }
  .section { padding: 76px 0; }
  .hero { padding: 130px 0 90px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-panel { padding: 30px 22px; }
  .cta-band { padding: 48px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { gap: 18px 30px; }
}
