/* ==========================================================================
   Excimer Laser Services — Site Stylesheet
   Design system: dark "laser lab" theme, cyan/violet beam accents
   ADMIN NOTE: Colors live in the :root block below. Change them there
   and the whole site updates. See admin-guide.html for instructions.
   ========================================================================== */

:root {
  /* Core palette */
  --bg: #070b16;            /* page background (near-black navy) */
  --bg-alt: #0b1222;        /* alternating section background */
  --surface: #101a30;       /* card background */
  --surface-2: #16223c;     /* raised card background */
  --line: rgba(120, 170, 255, 0.14);

  --beam: #38e1ff;          /* primary laser cyan */
  --beam-2: #8b5cf6;        /* secondary violet */
  --beam-3: #c084fc;        /* light violet */
  --uv: #7dd3fc;

  --text: #e8eefb;
  --text-dim: #9fb0cc;
  --text-faint: #6b7a96;

  --ok: #34d399;
  --warn: #fbbf24;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-glow: 0 0 40px rgba(56, 225, 255, 0.12);
  --font-head: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

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

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

a { color: var(--beam); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

/* ---------- Utility ---------- */

.grad-text {
  background: linear-gradient(92deg, var(--beam) 10%, var(--beam-3) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--beam);
  margin-bottom: 0.9rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: linear-gradient(90deg, var(--beam), transparent);
  border-radius: 2px;
}

.section { padding: 5.5rem 0; }
.section.alt { background: var(--bg-alt); }

.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 0.8rem; }
.section-head p { color: var(--text-dim); font-size: 1.05rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-decoration: none !important;
}
.btn-primary {
  background: linear-gradient(92deg, #0ea5c9, var(--beam));
  color: #041019;
  box-shadow: 0 4px 24px rgba(56, 225, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 34px rgba(56, 225, 255, 0.5); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(140, 190, 255, 0.35);
}
.btn-ghost:hover { border-color: var(--beam); color: var(--beam); transform: translateY(-2px); }
.btn-violet {
  background: linear-gradient(92deg, var(--beam-2), var(--beam-3));
  color: #0d0620;
  box-shadow: 0 4px 24px rgba(139, 92, 246, 0.4);
}
.btn-violet:hover { transform: translateY(-2px); box-shadow: 0 8px 34px rgba(139, 92, 246, 0.55); }

/* ---------- Header / Nav ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.scrolled {
  background: rgba(7, 11, 22, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--text);
  text-decoration: none !important;
}
.logo-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(56,225,255,0.18), rgba(139,92,246,0.18));
  border: 1px solid rgba(56,225,255,0.35);
  box-shadow: 0 0 18px rgba(56,225,255,0.25);
}
.logo-mark svg { width: 22px; height: 22px; }
.logo small { display: block; font-size: 0.62rem; font-weight: 500; letter-spacing: 0.22em; color: var(--beam); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 0.93rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: color 0.15s ease;
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--beam), var(--beam-2));
}
.nav-links .btn { padding: 0.55rem 1.2rem; font-size: 0.85rem; }
.nav-links a.btn-primary { color: #041019; }
.nav-links a.btn-violet { color: #0d0620; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(7, 11, 22, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-links.open { max-height: 480px; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 1rem; }
  .nav-links .btn { margin: 1rem auto; display: inline-flex; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 8.5rem 0 5rem;
  overflow: hidden;
}
#beam-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--bg));
  z-index: 1;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(56,225,255,0.35);
  background: rgba(56,225,255,0.07);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--uv);
  margin-bottom: 1.6rem;
}
.hero-badge .pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--beam);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(56,225,255,0.6); }
  70%  { box-shadow: 0 0 0 9px rgba(56,225,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(56,225,255,0); }
}
.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4.1rem);
  margin-bottom: 1.3rem;
}
.hero p.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  color: var(--text-dim);
  max-width: 620px;
  margin-bottom: 2.2rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.6rem;
}
.hero-stats .stat b {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--beam);
}
.hero-stats .stat span { font-size: 0.85rem; color: var(--text-faint); }

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(56,225,255,0.4);
  box-shadow: var(--shadow-glow);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--beam), var(--beam-2), transparent);
  opacity: 0;
  transition: opacity 0.22s ease;
}
.card:hover::before { opacity: 1; }
.card .icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid; place-items: center;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, rgba(56,225,255,0.14), rgba(139,92,246,0.14));
  border: 1px solid rgba(56,225,255,0.25);
}
.card .icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.18rem; margin-bottom: 0.6rem; }
.card p { color: var(--text-dim); font-size: 0.95rem; }
.card .card-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- Spectrum widget ---------- */

.spectrum-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem;
}
.spectrum-bar {
  position: relative;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(90deg,
    #6d28d9 0%,     /* UVC deep */
    #7c3aed 22%,
    #8b5cf6 34%,    /* ~308 zone */
    #38bdf8 55%,    /* UVA */
    #60a5fa 72%,
    #93c5fd 100%);
  margin: 2.4rem 0 0.7rem;
}
.spectrum-marker {
  position: absolute;
  top: -14px; bottom: -14px;
  left: 36%;              /* 308nm position on 200–400nm scale */
  width: 4px;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 0 16px rgba(255,255,255,0.9), 0 0 34px rgba(56,225,255,0.8);
  animation: markerGlow 2.2s ease-in-out infinite;
}
@keyframes markerGlow {
  0%, 100% { box-shadow: 0 0 12px rgba(255,255,255,0.8), 0 0 26px rgba(56,225,255,0.6); }
  50%      { box-shadow: 0 0 22px rgba(255,255,255,1), 0 0 46px rgba(56,225,255,1); }
}
.spectrum-marker .marker-label {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  background: rgba(56,225,255,0.14);
  border: 1px solid rgba(56,225,255,0.5);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
}
.spectrum-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-faint);
  font-family: var(--font-head);
}
.spectrum-bands {
  display: flex;
  margin-top: 1rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.spectrum-bands span {
  font-size: 0.78rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-dim);
}
.spectrum-bands span.hot {
  border-color: rgba(56,225,255,0.55);
  color: var(--beam);
  background: rgba(56,225,255,0.08);
}

/* ---------- Timeline (how service works) ---------- */

.timeline { position: relative; padding-left: 2.2rem; max-width: 720px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 10px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--beam), var(--beam-2));
  opacity: 0.5;
}
.timeline-item { position: relative; padding-bottom: 2.2rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.2rem;
  top: 5px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--beam);
  box-shadow: 0 0 12px rgba(56,225,255,0.5);
}
.timeline-item h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.timeline-item h3 small {
  color: var(--beam);
  font-size: 0.8rem;
  margin-right: 0.5rem;
  letter-spacing: 0.08em;
}
.timeline-item p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Tabs ---------- */

.tabs { margin-top: 1rem; }
.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}
.tab-btn {
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.18s ease;
}
.tab-btn:hover { border-color: rgba(56,225,255,0.4); color: var(--text); }
.tab-btn.active {
  background: linear-gradient(92deg, rgba(56,225,255,0.15), rgba(139,92,246,0.15));
  border-color: rgba(56,225,255,0.5);
  color: var(--beam);
}
.tab-panel { display: none; animation: fadeUp 0.35s ease; }
.tab-panel.active { display: block; }
.tab-panel .panel-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
}
.tab-panel h3 { margin-bottom: 0.7rem; font-size: 1.3rem; }
.tab-panel p { color: var(--text-dim); margin-bottom: 0.9rem; }
.tab-panel ul { color: var(--text-dim); padding-left: 1.3rem; margin-bottom: 0.9rem; }
.tab-panel li { margin-bottom: 0.4rem; }
.stat-row { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 1.2rem; }
.stat-chip {
  background: rgba(56,225,255,0.06);
  border: 1px solid rgba(56,225,255,0.25);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1.2rem;
}
.stat-chip b { display: block; font-family: var(--font-head); color: var(--beam); font-size: 1.25rem; }
.stat-chip span { font-size: 0.78rem; color: var(--text-faint); }

/* ---------- Accordion (FAQ) ---------- */

.accordion { max-width: 820px; margin: 0 auto; }
.acc-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 0.9rem;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.acc-item.open { border-color: rgba(56,225,255,0.45); }
.acc-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.4rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
}
.acc-header .acc-icon {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(56,225,255,0.4);
  display: grid; place-items: center;
  color: var(--beam);
  font-size: 1rem;
  transition: transform 0.25s ease;
}
.acc-item.open .acc-icon { transform: rotate(45deg); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.acc-body-inner {
  padding: 0 1.4rem 1.3rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ---------- Calculator ---------- */

.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem;
}
@media (max-width: 760px) { .calc-wrap { grid-template-columns: 1fr; } }
.calc-field { margin-bottom: 1.4rem; }
.calc-field label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0.55rem;
  font-weight: 500;
}
.calc-field label output { color: var(--beam); font-family: var(--font-head); font-weight: 700; }
input[type="range"] {
  width: 100%;
  accent-color: var(--beam);
  cursor: pointer;
}
.calc-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, rgba(56,225,255,0.08), rgba(139,92,246,0.08));
  border: 1px solid rgba(56,225,255,0.3);
  border-radius: var(--radius);
  padding: 2rem;
}
.calc-result .big {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--beam);
  text-shadow: 0 0 30px rgba(56,225,255,0.4);
}
.calc-result .sub { color: var(--text-dim); font-size: 0.92rem; margin-top: 0.5rem; }
.calc-note { font-size: 0.78rem; color: var(--text-faint); margin-top: 1rem; }

/* ---------- Newsletter CTA ---------- */

.newsletter {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(56,225,255,0.3);
  background:
    radial-gradient(700px 300px at 15% 0%, rgba(56,225,255,0.14), transparent 60%),
    radial-gradient(700px 300px at 85% 100%, rgba(139,92,246,0.16), transparent 60%),
    var(--surface-2);
  padding: 3.4rem 2.4rem;
  text-align: center;
}
.newsletter h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 0.7rem; }
.newsletter p { color: var(--text-dim); max-width: 560px; margin: 0 auto 1.8rem; }
.newsletter-form {
  display: flex;
  gap: 0.7rem;
  max-width: 520px;
  margin: 0 auto;
}
.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  border: 1px solid rgba(140,190,255,0.3);
  background: rgba(7,11,22,0.6);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.newsletter-form input[type="email"]:focus {
  border-color: var(--beam);
  box-shadow: 0 0 0 3px rgba(56,225,255,0.15);
}
@media (max-width: 560px) {
  .newsletter-form { flex-direction: column; }
}
.form-msg { margin-top: 1rem; font-size: 0.9rem; min-height: 1.4em; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--warn); }

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.4rem;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
  color: var(--text-dim);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(140,190,255,0.25);
  background: rgba(7,11,22,0.6);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--beam);
  box-shadow: 0 0 0 3px rgba(56,225,255,0.13);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem;
  margin-bottom: 1.2rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}
.contact-card .icon {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(56,225,255,0.14), rgba(139,92,246,0.14));
  border: 1px solid rgba(56,225,255,0.25);
}
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card h3 { font-size: 1.02rem; margin-bottom: 0.25rem; }
.contact-card p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Table ---------- */

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.93rem;
  min-width: 560px;
}
table.data th, table.data td {
  padding: 0.95rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
table.data th {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--beam);
  background: rgba(56,225,255,0.05);
}
table.data tr:last-child td { border-bottom: none; }
table.data td { color: var(--text-dim); }
table.data td:first-child { color: var(--text); font-weight: 600; }

/* ---------- Checklist ---------- */

.checklist { list-style: none; max-width: 760px; }
.checklist li {
  position: relative;
  padding: 0.55rem 0 0.55rem 2.3rem;
  color: var(--text-dim);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.72rem;
  width: 20px; height: 20px;
  border-radius: 6px;
  background: rgba(52,211,153,0.12) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2334d399" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') center/12px no-repeat;
  border: 1px solid rgba(52,211,153,0.4);
}
.checklist li b { color: var(--text); }

/* ---------- Alert / callout ---------- */

.callout {
  border-left: 3px solid var(--beam);
  background: rgba(56,225,255,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.2rem 1.5rem;
  margin: 1.6rem 0;
  color: var(--text-dim);
  font-size: 0.94rem;
}
.callout.warn { border-left-color: var(--warn); background: rgba(251,191,36,0.06); }
.callout b { color: var(--text); }

/* ---------- Split layout ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.2rem;
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* Laser device illustration */
.device-visual {
  position: relative;
  border-radius: var(--radius);
  background:
    radial-gradient(400px 260px at 70% 20%, rgba(139,92,246,0.16), transparent 65%),
    radial-gradient(420px 300px at 20% 90%, rgba(56,225,255,0.14), transparent 65%),
    var(--surface);
  border: 1px solid var(--line);
  padding: 2.5rem;
  display: grid;
  place-items: center;
  min-height: 340px;
}
.device-visual svg { width: 100%; max-width: 420px; height: auto; }

/* ---------- Testimonials ---------- */

.quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.9rem;
}
.quote-card .stars { color: var(--warn); letter-spacing: 2px; margin-bottom: 0.8rem; }
.quote-card p { color: var(--text-dim); font-style: italic; font-size: 0.96rem; margin-bottom: 1.1rem; }
.quote-card footer { font-size: 0.86rem; color: var(--text-faint); }
.quote-card footer b { display: block; color: var(--text); font-style: normal; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 3.6rem 0 2rem;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 2.4rem;
  margin-bottom: 2.6rem;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 1rem;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.55rem; }
.footer-grid a { color: var(--text-dim); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--beam); }
.footer-about p { color: var(--text-dim); font-size: 0.92rem; margin-top: 0.9rem; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* ---------- Reveal-on-scroll animation ---------- */

.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: 0.1s; }
.reveal.d2 { transition-delay: 0.2s; }
.reveal.d3 { transition-delay: 0.3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Back to top ---------- */

.back-top {
  position: fixed;
  right: 1.4rem; bottom: 1.4rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(56,225,255,0.4);
  background: rgba(7,11,22,0.85);
  color: var(--beam);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 90;
  backdrop-filter: blur(8px);
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); box-shadow: 0 0 20px rgba(56,225,255,0.35); }

/* ---------- Page hero (interior pages) ---------- */

.page-hero {
  position: relative;
  padding: 9.5rem 0 4rem;
  background:
    radial-gradient(800px 380px at 80% -10%, rgba(139,92,246,0.16), transparent 65%),
    radial-gradient(700px 340px at 10% 10%, rgba(56,225,255,0.12), transparent 60%),
    var(--bg);
  overflow: hidden;
}
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin-bottom: 0.9rem; }
.page-hero p { color: var(--text-dim); max-width: 640px; font-size: 1.08rem; }
.page-hero .beam-line {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,225,255,0.7), rgba(139,92,246,0.7), transparent);
}

/* ---------- Marquee ticker ---------- */

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 0.9rem 0;
}
.ticker-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: ticker 32s linear infinite;
}
.ticker span {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}
.ticker span::before { content: "◆ "; color: var(--beam); }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}