/* ============================================================
   SPARKY AUS — design system v2 "HIGH VOLTAGE"
   Palette: carbon / panel / copper / volt / bone / dim
   Type: Unbounded (display) · Sora (body) · JetBrains Mono (utility)
   ============================================================ */

:root {
  --carbon: #0e1322;
  --panel: #171f33;
  --panel-2: #1e2845;
  --line: rgba(232, 133, 61, 0.26);
  --line-soft: rgba(160, 170, 190, 0.18);
  --copper: #e8853d;
  --copper-bright: #ffa257;
  --volt: #5bd9ff;
  --bone: #f5f8fc;
  --dim: #aab4c8;
  --display: "Unbounded", sans-serif;
  --body: "Sora", sans-serif;
  --mono: "JetBrains Mono", monospace;
  --max: 1200px;
  --nav-h: 78px;
}

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

html { scroll-behavior: smooth; }

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

/* layered atmosphere: glow blobs + engineering grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 85% -5%, rgba(232, 133, 61, 0.15), transparent 60%),
    radial-gradient(700px 500px at -10% 40%, rgba(91, 217, 255, 0.08), transparent 60%),
    radial-gradient(800px 600px at 70% 110%, rgba(232, 133, 61, 0.09), transparent 60%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(151, 161, 180, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 161, 180, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 30%, transparent 90%);
}

::selection { background: var(--copper); color: var(--carbon); }

#fx-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.page { position: relative; z-index: 1; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.06; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.5rem, 7vw, 5.4rem); text-wrap: balance; }
h2 { font-size: clamp(1.7rem, 3.8vw, 3rem); text-wrap: balance; }
h3 { font-size: 1.12rem; font-weight: 500; }
p { color: var(--dim); max-width: 62ch; }
a { color: var(--volt); text-decoration: none; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper-bright);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(232, 133, 61, 0.07);
  backdrop-filter: blur(6px);
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 10px var(--copper), 0 0 20px var(--copper);
  animation: blink 2.2s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.spec { font-family: var(--mono); color: var(--volt); font-size: 0.85em; }

/* giant ghost word behind section heads */
.ghost-wrap { position: relative; }
.ghost {
  position: absolute;
  top: -0.55em;
  left: -0.04em;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(4rem, 13vw, 11rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(151, 161, 180, 0.13);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: -1;
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 9, 15, 0.82);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line-soft);
}
.nav-inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--bone);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  white-space: nowrap;
}
.logo .bolt {
  color: var(--copper);
  filter: drop-shadow(0 0 8px rgba(232,133,61,0.9));
  animation: boltPulse 3s ease-in-out infinite;
}
@keyframes boltPulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(232,133,61,0.7)); }
  50% { filter: drop-shadow(0 0 14px rgba(255,162,87,1)); }
}
.logo span.aus { color: var(--copper); }

.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a {
  color: var(--dim);
  font-size: 0.83rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--copper), var(--volt));
  box-shadow: 0 0 8px rgba(232,133,61,0.6);
  transition: width 0.25s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--bone); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--copper-bright); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  line-height: 1.1;
  min-height: 50px;
  text-transform: uppercase;
  padding: 0 1.7rem;
  border-radius: 6px;
  border: 1px solid var(--copper);
  color: var(--carbon);
  background: linear-gradient(135deg, var(--copper-bright), var(--copper) 60%, #d06f2c);
  box-shadow: 0 4px 28px rgba(232, 133, 61, 0.4), inset 0 1px 0 rgba(255,255,255,0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-20deg);
  animation: shimmer 3.4s ease-in-out infinite;
}
@keyframes shimmer { 0%, 60% { left: -80%; } 100% { left: 160%; } }
.btn:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 44px rgba(232, 133, 61, 0.65), inset 0 1px 0 rgba(255,255,255,0.35); }

.btn.ghost {
  background: rgba(16, 22, 36, 0.6);
  color: var(--bone);
  border-color: var(--line);
  box-shadow: none;
  backdrop-filter: blur(8px);
}
.btn.ghost::before { display: none; }
.btn.ghost:hover { border-color: var(--copper); color: var(--copper-bright); box-shadow: 0 0 24px rgba(232,133,61,0.25); }

.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  color: var(--bone);
  font-size: 1.2rem;
  width: 42px; height: 42px;
  cursor: pointer;
}

/* ---------- hero ---------- */
.hero {
  min-height: 96vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 48px) 24px 64px;
  position: relative;
}
.hero-inner { max-width: var(--max); margin: 0 auto; width: 100%; position: relative; }

.hero h1 { max-width: 16ch; margin-bottom: 1.6rem; }
.hero h1 em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(100deg, var(--copper-bright), var(--copper) 45%, var(--volt) 95%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: gradientSlide 5s ease-in-out infinite;
  filter: drop-shadow(0 0 28px rgba(232,133,61,0.35));
}
@keyframes gradientSlide { 0%, 100% { background-position: 0% 0; } 50% { background-position: 100% 0; } }

.hero p.lead { font-size: clamp(1rem, 1.6vw, 1.18rem); max-width: 54ch; margin-bottom: 2.4rem; color: #b3bccc; }

.hero-ctas { display: flex; flex-wrap: wrap; align-items: stretch; gap: 0.9rem; margin-bottom: 3.2rem; }

/* chip badges */
.hero-strip { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.hero-strip span {
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  padding: 0.5rem 1rem;
  background: rgba(16, 22, 36, 0.55);
  backdrop-filter: blur(8px);
  transition: border-color 0.25s, color 0.25s, box-shadow 0.25s;
}
.hero-strip span:hover { border-color: var(--copper); color: var(--bone); box-shadow: 0 0 18px rgba(232,133,61,0.25); }
.hero-strip b { color: var(--copper-bright); font-weight: 600; }

.scroll-hint {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dim);
  animation: hint 2.4s ease-in-out infinite;
}
@keyframes hint { 0%,100% { opacity: 0.35; transform: translate(-50%,0); } 50% { opacity: 1; transform: translate(-50%,8px); } }

/* ---------- marquee ticker ---------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(232,133,61,0.07), rgba(91,217,255,0.05), rgba(232,133,61,0.07));
  padding: 1.05rem 0;
  position: relative;
  z-index: 1;
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 3.2rem;
  animation: marquee 26s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-track span {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3.2rem;
}
.marquee-track span::after {
  content: "⚡";
  color: var(--copper);
  filter: drop-shadow(0 0 8px rgba(232,133,61,0.8));
  font-size: 1.05rem;
}

/* ---------- sections ---------- */
.section { padding: 110px 24px; position: relative; }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section.tint {
  background: linear-gradient(180deg, rgba(16, 22, 36, 0.72), rgba(16, 22, 36, 0.25));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.section-head { margin-bottom: 3.4rem; max-width: 760px; position: relative; }
.section-head p { margin-top: 1.1rem; }

/* ---------- cards: gradient border + cursor glow + 3D tilt ---------- */
.grid { display: grid; gap: 1.2rem; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }

.grid { align-items: stretch; }
.card {
  --mx: 50%;
  --my: 50%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: linear-gradient(165deg, rgba(16,22,36,0.92), rgba(22,30,48,0.92));
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 2rem 1.7rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
  display: block;
}
/* cursor-follow glow */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(340px circle at var(--mx) var(--my), rgba(232, 133, 61, 0.16), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
/* top edge circuit line */
.card::after {
  content: "";
  position: absolute;
  top: 0; left: 8%;
  width: 0; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--copper), var(--volt));
  box-shadow: 0 0 12px rgba(232,133,61,0.7);
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.card:hover::after { width: 84%; }
.card:hover {
  border-color: var(--line);
  box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 40px rgba(232,133,61,0.1);
}
.card .icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(232, 133, 61, 0.16), rgba(91, 217, 255, 0.07));
  border: 1px solid var(--line);
  color: var(--copper-bright);
  font-size: 1.4rem;
  margin-bottom: 1.3rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 0 22px rgba(232,133,61,0.14);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover .icon { transform: scale(1.1) rotate(-6deg); box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 0 34px rgba(232,133,61,0.4); }
.card h3 { margin-bottom: 0.55rem; color: var(--bone); }
.card p { font-size: 0.92rem; }
.card .card-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: auto; padding-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper-bright);
}
.card .card-link::after { content: "→"; transition: transform 0.2s; }
.card:hover .card-link::after { transform: translateX(5px); }

/* checklist */
.checks { list-style: none; display: grid; gap: 0.9rem; }
.checks li {
  display: flex; gap: 0.85rem; align-items: flex-start;
  color: var(--dim); font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(16, 22, 36, 0.5);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.checks li:hover { border-color: var(--line); transform: translateX(6px); box-shadow: 0 0 22px rgba(232,133,61,0.08); }
.checks li::before {
  content: "⚡";
  color: var(--copper);
  font-size: 0.85rem;
  margin-top: 1px;
  filter: drop-shadow(0 0 6px rgba(232,133,61,0.7));
}
.checks li b { color: var(--bone); font-weight: 600; }

/* process steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: step; }
.step {
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(16, 22, 36, 0.5);
  padding: 1.6rem 1.4rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.step:hover { border-color: var(--line); transform: translateY(-4px); }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(232, 133, 61, 0.55);
  display: block;
  margin-bottom: 0.9rem;
}
.step::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--volt));
  box-shadow: 0 0 12px var(--copper);
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.step.in::after { width: 100%; }
.step h3 { font-size: 0.98rem; margin-bottom: 0.45rem; }
.step p { font-size: 0.88rem; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; text-align: center; }
.stat {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 2.4rem 1rem;
  background: linear-gradient(180deg, rgba(16,22,36,0.7), rgba(16,22,36,0.3));
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.stat:hover { border-color: var(--line); transform: translateY(-4px); }
.stat .num {
  font-family: var(--display);
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  color: var(--copper-bright);
  text-shadow: 0 0 32px rgba(232,133,61,0.5);
}
.stat .lbl {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 0.6rem;
}

/* spec table */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.spec-table td {
  padding: 1rem 0.5rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--dim);
  vertical-align: top;
}
.spec-table tr { transition: background 0.2s; }
.spec-table tr:hover { background: rgba(232,133,61,0.04); }
.spec-table td:first-child {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper-bright);
  width: 38%;
  padding-right: 1.2rem;
}
.spec-table td:last-child { color: var(--bone); }

/* review band */
.review-band {
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(700px 260px at 12% 0%, rgba(232,133,61,0.18), transparent),
    radial-gradient(500px 260px at 95% 100%, rgba(91,217,255,0.08), transparent),
    linear-gradient(165deg, var(--panel), var(--panel-2));
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
  padding: 3.4rem 2.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}
.review-band .stars {
  color: var(--copper-bright);
  font-size: 1.7rem;
  letter-spacing: 0.22em;
  text-shadow: 0 0 22px rgba(232,133,61,0.7);
  animation: starGlow 3s ease-in-out infinite;
}
@keyframes starGlow {
  0%,100% { text-shadow: 0 0 14px rgba(232,133,61,0.5); }
  50% { text-shadow: 0 0 30px rgba(255,162,87,0.95); }
}
.review-band h2 { margin: 0.6rem 0 0.5rem; }

/* CTA band */
.cta-band { text-align: center; padding: 130px 24px; position: relative; overflow: hidden; }
.cta-band::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 760px; height: 760px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(232,133,61,0.14), transparent 65%);
  pointer-events: none;
  animation: ctaPulse 4.5s ease-in-out infinite;
}
@keyframes ctaPulse { 0%,100% { opacity: 0.7; transform: translate(-50%,-50%) scale(1); } 50% { opacity: 1; transform: translate(-50%,-50%) scale(1.08); } }
.cta-band h2 { font-size: clamp(1.8rem, 4.4vw, 3.4rem); max-width: 20ch; margin: 0 auto 1rem; position: relative; }
.cta-band .eyebrow { margin-left: auto; margin-right: auto; }
.cta-band .hero-ctas { justify-content: center; margin-bottom: 0; }
.cta-band p { margin: 0 auto 2.2rem; position: relative; }
.cta-band .phone-big {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.9rem, 6vw, 4rem);
  color: var(--copper-bright);
  text-shadow: 0 0 50px rgba(232,133,61,0.55);
  display: inline-block;
  margin-bottom: 2.2rem;
  position: relative;
  transition: text-shadow 0.25s, transform 0.25s;
}
.cta-band .phone-big:hover { text-shadow: 0 0 80px rgba(255,162,87,0.95); transform: scale(1.03); }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(800px 240px at 50% 0%, rgba(232,133,61,0.07), transparent),
    rgba(7, 9, 15, 0.96);
  padding: 70px 24px 40px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-inner h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper-bright);
  margin-bottom: 1.1rem;
}
.footer-inner ul { list-style: none; display: grid; gap: 0.6rem; }
.footer-inner a, .footer-inner li { color: var(--dim); font-size: 0.9rem; transition: color 0.2s; }
.footer-inner a:hover { color: var(--copper-bright); }
.footer-about p { font-size: 0.9rem; margin-top: 0.9rem; }
.footer-bottom {
  max-width: var(--max);
  margin: 3rem auto 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}
.footer-bottom .lic { color: var(--copper-bright); }

/* ---------- reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(44px) scale(0.985);
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1), transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.12s; }
.reveal.d2 { transition-delay: 0.24s; }
.reveal.d3 { transition-delay: 0.36s; }
.reveal.d4 { transition-delay: 0.48s; }
.reveal-left { transform: translateX(-52px); }
.reveal-left.in { transform: none; }

/* floating call button (mobile) */
.float-call { display: none; position: fixed; bottom: 18px; right: 18px; z-index: 60; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .grid.c3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .ghost { font-size: clamp(3rem, 16vw, 7rem); }
}
@media (max-width: 680px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(7, 9, 15, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.4rem 24px 1.8rem;
    gap: 1.1rem;
    border-bottom: 1px solid var(--line-soft);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: none; }
  .nav-links a { font-size: 1rem; }
  .nav-burger { display: block; }
  .nav .btn { display: none; }
  .float-call { display: block; }
  .grid.c3, .grid.c2, .stats, .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 80px 20px; }
  .review-band { padding: 2.4rem 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-left { opacity: 1; transform: none; transition: none; }
  .scroll-hint, .marquee-track, .btn::before, .cta-band::before,
  .eyebrow::before, .logo .bolt, .review-band .stars, .hero h1 em { animation: none; }
  #fx-canvas { display: none; }
}

/* ---------- photo gallery ---------- */
.photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.photo-grid .photo:nth-child(1),
.photo-grid .photo:nth-child(4) { grid-column: span 2; }
.photo {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  aspect-ratio: 4 / 3;
  display: block;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.photo:hover { border-color: var(--line); box-shadow: 0 18px 48px rgba(0,0,0,0.45), 0 0 30px rgba(232,133,61,0.12); transform: translateY(-4px); }
.photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), filter 0.4s;
  filter: saturate(1.05);
}
.photo:hover img { transform: scale(1.09); }
.photo .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.6rem 1.2rem 1rem;
  background: linear-gradient(180deg, transparent, rgba(10, 14, 26, 0.92));
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.photo .cap::before { content: "⚡"; color: var(--copper-bright); filter: drop-shadow(0 0 6px rgba(232,133,61,0.7)); }

/* image panel inside content sections */
.img-panel {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45), 0 0 40px rgba(232,133,61,0.08);
  position: relative;
}
.img-panel img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.img-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(232,133,61,0.1), transparent 45%);
  pointer-events: none;
}

/* ---------- service tabs ---------- */
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}
.tab-btn {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--dim);
  background: rgba(23, 31, 51, 0.6);
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  padding: 0.7rem 1.3rem;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s, transform 0.25s;
}
.tab-btn:hover { color: var(--bone); border-color: var(--line); transform: translateY(-2px); }
.tab-btn.active {
  color: var(--carbon);
  background: linear-gradient(135deg, var(--copper-bright), var(--copper));
  border-color: var(--copper);
  box-shadow: 0 0 24px rgba(232, 133, 61, 0.35);
}
.tab-panel { display: none; }
.tab-panel.active {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 2.4rem;
  align-items: center;
  animation: tabIn 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes tabIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}
.tab-panel .img-panel img { aspect-ratio: 4 / 3; max-height: 400px; }
.tab-panel > div:last-child { display: flex; flex-direction: column; align-items: flex-start; }
.tab-panel .btn { margin-top: 0.2rem; }
.tab-panel h3 { font-size: 1.4rem; margin-bottom: 0.7rem; }
.tab-panel p { margin-bottom: 1.2rem; }
.tab-panel .checks { margin-bottom: 1.6rem; }
.tab-panel .checks li { padding: 0.55rem 0.8rem; font-size: 0.9rem; }

@media (max-width: 920px) {
  .tab-panel.active { grid-template-columns: 1fr; gap: 1.6rem; }
}

/* no-JS fallback: keep everything visible if scripts don't load */
body:not(.js) .reveal,
body:not(.js) .reveal-left { opacity: 1; transform: none; }
body:not(.js) .tab-panel { display: grid; grid-template-columns: 1.05fr 1fr; gap: 2.4rem; margin-bottom: 3rem; }
body:not(.js) #fx-canvas { display: none; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0.9rem; max-width: 820px; }
.faq details {
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(23, 31, 51, 0.6);
  overflow: hidden;
  transition: border-color 0.25s;
}
.faq details[open], .faq details:hover { border-color: var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 1.3rem;
  font-weight: 600;
  color: var(--bone);
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--copper-bright);
  font-size: 1.25rem;
  transition: transform 0.25s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.3rem 1.2rem; font-size: 0.93rem; }

@media (max-width: 920px) {
  .photo-grid { grid-template-columns: 1fr 1fr; }
  .photo-grid .photo:nth-child(1) { grid-column: span 2; }
}
@media (max-width: 680px) {
  .photo-grid { grid-template-columns: 1fr; }
  .photo-grid .photo:nth-child(1) { grid-column: auto; }
}

/* focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 3px;
  border-radius: 4px;
}