:root {
  --bg: #07111f;
  --bg-2: #0b1828;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.14);
  --line: rgba(255, 255, 255, 0.16);
  --text: #f7fbff;
  --muted: #a9b7c9;
  --muted-2: #6f8198;
  --electric: #45d7ff;
  --lime: #b7ff45;
  --amber: #ffb84d;
  --dark: #050a12;
  --radius-lg: 28px;
  --radius-md: 20px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --font-body: "Manrope", sans-serif;
  --font-display: "Space Grotesk", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(69, 215, 255, 0.18), transparent 32rem),
    radial-gradient(circle at 82% 4%, rgba(183, 255, 69, 0.12), transparent 28rem),
    linear-gradient(180deg, #07111f 0%, #08111d 42%, #050a12 100%);
  font-family: var(--font-body);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { color: var(--muted); }

.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); }
.skip-link { position: absolute; left: -999px; top: 8px; background: #fff; color: #000; padding: 8px 12px; z-index: 100; }
.skip-link:focus { left: 8px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: 0.25s ease;
}
.site-header.is-scrolled {
  background: rgba(5, 10, 18, 0.78);
  backdrop-filter: blur(18px);
  border-color: var(--line);
}
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 12px; }
.site-logo__image { width: 128px; max-height: 56px; object-fit: contain; border-radius: 14px; }
.menu { display: flex; align-items: center; gap: 20px; margin: 0; padding: 0; list-style: none; }
.menu a { color: var(--muted); font-weight: 700; font-size: 0.94rem; }
.menu a:hover { color: var(--text); }
.header-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 800;
  border: 1px solid var(--line);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.header-cta { background: rgba(255, 255, 255, 0.08); color: var(--text); }
.header-cta:hover, .btn:hover { transform: translateY(-2px); border-color: rgba(69, 215, 255, 0.5); }
.btn--primary { background: linear-gradient(135deg, var(--electric), var(--lime)); color: #06101d; border: none; box-shadow: 0 18px 60px rgba(69, 215, 255, 0.24); }
.btn--ghost { background: rgba(255, 255, 255, 0.07); color: var(--text); }
.btn--footer { background: rgba(255,255,255,0.08); color: var(--text); }

.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.08); }
.nav-toggle span:not(.screen-reader-text) { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--text); }
.screen-reader-text { position: absolute; left: -9999px; }

.hero { position: relative; padding: 92px 0 84px; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr 0.98fr; align-items: center; gap: 56px; }
.eyebrow { margin: 0 0 16px; color: var(--lime); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem; font-weight: 900; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.03; margin: 0; letter-spacing: -0.04em; }
h1 { font-size: clamp(3rem, 7vw, 6.8rem); max-width: 880px; }
h2 { font-size: clamp(2.2rem, 4.8vw, 4.7rem); }
h3 { font-size: 1.45rem; }
.hero-lead { max-width: 700px; font-size: clamp(1.06rem, 1.7vw, 1.28rem); margin: 24px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; color: var(--muted); }
.hero-proof span { padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.05); }
.hero-proof strong { color: var(--text); margin-right: 6px; }

.hero-visual { position: relative; min-height: 560px; }
.visual-card { border: 1px solid var(--line); border-radius: 34px; overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.visual-card--main { transform: rotate(-2deg); }
.visual-card img { width: 100%; min-height: 520px; object-fit: cover; filter: saturate(1.08) contrast(1.08); }
.scan-line { position: absolute; inset: 0; background: linear-gradient(120deg, transparent 15%, rgba(69,215,255,0.18), transparent 35%); animation: scan 4.8s infinite linear; }
@keyframes scan { from { transform: translateX(-80%); } to { transform: translateX(90%); } }
.metric-card { position: absolute; max-width: 260px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 22px; background: rgba(7, 17, 31, 0.82); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.metric-card span { display: block; color: var(--muted); font-size: 0.86rem; }
.metric-card strong { display: block; margin-top: 4px; }
.metric-card--top { top: 34px; right: -10px; }
.metric-card--bottom { bottom: 42px; left: -18px; }

.section { padding: 96px 0; }
.section-heading { max-width: 820px; margin-bottom: 42px; }
.section-heading p { max-width: 680px; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.service-card, .process-step, .principles-grid article, .contact-card, .form-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.045));
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.18);
}
.service-card span, .process-step span, .principles-grid span, .service-kicker { color: var(--electric); font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.78rem; }
.service-card h3, .process-step h3 { margin-top: 18px; }
.service-card p { margin-bottom: 0; }

.split-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 54px; align-items: center; }
.split-media img { border-radius: 34px; border: 1px solid var(--line); background: rgba(255,255,255,0.08); box-shadow: var(--shadow); }
.check-list { padding: 0; list-style: none; display: grid; gap: 12px; margin: 24px 0; }
.check-list li { color: var(--text); padding-left: 28px; position: relative; }
.check-list li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--lime); position: absolute; left: 0; top: 0.55em; box-shadow: 0 0 20px var(--lime); }
.text-link { color: var(--electric); font-weight: 900; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 18px; padding: 18px 22px; background: rgba(255,255,255,0.06); }
.faq-item summary { cursor: pointer; font-weight: 900; color: var(--text); }
.faq-item p { margin-bottom: 0; }

.final-cta { padding: 72px 0 104px; }
.cta-panel { border: 1px solid rgba(69,215,255,0.26); border-radius: 38px; padding: clamp(34px, 6vw, 72px); background: radial-gradient(circle at top right, rgba(69,215,255,0.18), transparent 32rem), rgba(255,255,255,0.07); box-shadow: var(--shadow); }
.page-hero { padding: 110px 0 70px; }
.page-hero p { font-size: 1.16rem; }

.service-detail-grid { display: grid; gap: 26px; }
.service-detail-card { display: grid; grid-template-columns: 1fr 0.75fr; gap: 36px; align-items: center; border: 1px solid var(--line); border-radius: 34px; background: rgba(255,255,255,0.07); padding: 34px; overflow: hidden; }
.service-detail-card img { border-radius: 26px; max-height: 360px; width: 100%; object-fit: cover; background: rgba(255,255,255,0.08); }
.equipment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.equipment-card { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px; background: rgba(255,255,255,0.06); }
.equipment-card img { width: 100%; aspect-ratio: 1 / 0.78; object-fit: contain; border-radius: 22px; background: rgba(5,10,18,0.66); padding: 12px; }
.equipment-card h3 { margin-top: 18px; font-size: 1.2rem; }
.equipment-card p { margin-bottom: 0; }
.principles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 28px; align-items: start; }
.contact-list { list-style: none; padding: 0; display: grid; gap: 16px; }
.contact-list li { display: grid; gap: 4px; color: var(--text); }
.contact-list span { color: var(--muted); font-size: 0.88rem; }
.lead-form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { color: var(--text); font-weight: 800; display: grid; gap: 8px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 16px; background: rgba(5,10,18,0.68); color: var(--text); padding: 14px 16px; font: inherit; }
textarea { resize: vertical; }
.form-helper { font-size: 0.9rem; margin: 0; }
.form-notice { border-radius: 16px; padding: 14px 16px; margin-bottom: 18px; font-weight: 800; }
.form-notice--success { background: rgba(183,255,69,0.12); color: var(--lime); }
.form-notice--error { background: rgba(255,90,90,0.12); color: #ff9b9b; }

.site-footer { padding: 72px 0 30px; border-top: 1px solid var(--line); background: rgba(5,10,18,0.68); }
.footer-grid { display: grid; grid-template-columns: 1.35fr 0.85fr 0.95fr 1fr; gap: 34px; }
.site-footer h2 { font-size: 1rem; letter-spacing: 0; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; color: var(--muted); }
.footer-brand p { max-width: 360px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 24px; color: var(--muted-2); font-size: 0.9rem; }
.floating-whatsapp { position: fixed; right: 22px; bottom: 22px; width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg, #25d366, var(--lime)); color: #06101d; font-weight: 1000; box-shadow: 0 18px 50px rgba(37,211,102,0.28); z-index: 60; }

.reveal { opacity: 0; transform: translateY(22px); transition: 0.7s ease; }
.reveal--delay { transition-delay: 0.15s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; left: 20px; right: 20px; top: 76px; display: none; padding: 20px; border: 1px solid var(--line); border-radius: 24px; background: rgba(5,10,18,0.96); }
  .primary-nav.is-open { display: block; }
  .menu { flex-direction: column; align-items: flex-start; }
  .hero-grid, .split-grid, .faq-grid, .contact-grid, .service-detail-card { grid-template-columns: 1fr; }
  .hero { padding-top: 62px; }
  .hero-visual { min-height: auto; }
  .visual-card img { min-height: 360px; }
  .service-grid, .process-grid, .footer-grid, .equipment-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1160px); }
  h1 { font-size: clamp(2.6rem, 14vw, 4.2rem); }
  .section { padding: 68px 0; }
  .service-grid, .process-grid, .footer-grid, .principles-grid, .form-row, .equipment-grid { grid-template-columns: 1fr; }
  .hero-actions, .footer-bottom { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .metric-card { position: static; margin-top: 14px; }
  .visual-card--main { transform: none; }
}

/* ── Scroll progress bar ─────────────────────────────── */
.scroll-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--electric), var(--lime));
  z-index: 200;
  pointer-events: none;
  border-radius: 0 2px 2px 0;
}

/* ── Hero gradient title ──────────────────────────────── */
.hero h1 {
  background: linear-gradient(120deg, var(--text) 50%, var(--electric) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Card hover lift + glow ───────────────────────────── */
.service-card,
.process-step,
.equipment-card,
.principles-grid article {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: default;
}
.service-card:hover,
.process-step:hover,
.equipment-card:hover,
.principles-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 80px rgba(69, 215, 255, 0.12), 0 0 0 1px rgba(69, 215, 255, 0.22);
  border-color: rgba(69, 215, 255, 0.3);
}
.service-card:hover span:first-child {
  color: var(--lime);
}

/* ── Button shimmer ───────────────────────────────────── */
.btn--primary {
  position: relative;
  overflow: hidden;
}
.btn--primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -110%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transform: skewX(-15deg);
  transition: none;
}
.btn--primary:hover::after {
  left: 160%;
  transition: left 0.55s ease;
}

/* ── Form input focus glow ────────────────────────────── */
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(69, 215, 255, 0.14);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* ── Active menu link ─────────────────────────────────── */
.menu a {
  position: relative;
  padding-bottom: 3px;
}
.menu a.is-active {
  color: var(--text);
}
.menu a.is-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--lime);
  border-radius: 2px;
}

/* ── FAQ micro-interaction ────────────────────────────── */
.faq-item {
  transition: border-color 0.2s ease;
}
.faq-item[open] {
  border-color: rgba(69, 215, 255, 0.3);
}
.faq-item[open] summary {
  color: var(--electric);
  margin-bottom: 10px;
}

/* ── Staggered reveal variants ────────────────────────── */
.reveal--1 { transition-delay: 0.08s; }
.reveal--2 { transition-delay: 0.16s; }
.reveal--3 { transition-delay: 0.24s; }
.reveal--4 { transition-delay: 0.32s; }

/* -- Social icons footer ----------------------------- */
.footer-social {
  display: flex;
  gap: 14px;
  margin-top: 18px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.footer-social a:hover {
  background: var(--electric);
  color: var(--bg);
  transform: translateY(-3px);
}

/* -- Equipment catalog -------------------------------- */
.equipment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.equipment-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.equipment-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(69,215,255,.15);
}
.equipment-img {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--bg-2);
}
.equipment-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.4s;
}
.equipment-card:hover .equipment-img img {
  transform: scale(1.04);
}
.equipment-info {
  padding: 24px;
}
.equipment-info h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.equipment-type {
  font-size: .8rem;
  color: var(--electric);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.equipment-info ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.equipment-info ul li::before {
  content: "✓ ";
  color: var(--electric);
}
.equipment-info ul li {
  font-size: .88rem;
  color: var(--muted);
}
.btn--sm {
  padding: 8px 18px;
  font-size: .85rem;
}