:root {
  --navy: #06142f;
  --navy-2: #0b1d4f;
  --purple: #4e167d;
  --purple-2: #7a28a8;
  --blue: #207dff;
  --cyan: #63d8ff;
  --ink: #0b1534;
  --muted: #5d6882;
  --line: rgba(11, 21, 52, .12);
  --light: #f4f7fc;
  --white: #ffffff;
  --shadow: 0 28px 70px rgba(5, 14, 38, .16);
  --shadow-strong: 0 35px 95px rgba(2, 7, 22, .28);
  --radius: 28px;
  --radius-sm: 18px;
  --max: 1180px;
  --gradient: linear-gradient(135deg, #071632 0%, #0e2565 46%, #3a1470 78%, #731c9b 100%);
  --accent-gradient: linear-gradient(135deg, var(--blue), var(--purple-2));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 44px)); margin-inline: auto; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 1000;
  background: var(--white);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(11,21,52,.08);
}
.topbar {
  color: rgba(255,255,255,.92);
  background: var(--gradient);
  font-size: .9rem;
}
.topbar__inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.topbar__links { display: flex; align-items: center; gap: 18px; white-space: nowrap; }
.topbar a:hover { color: var(--cyan); }
.navbar__inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  font-weight: 900;
  letter-spacing: .5px;
  background: var(--accent-gradient);
  box-shadow: 0 15px 35px rgba(32, 125, 255, .26);
}
.brand__text strong { display: block; font-size: 1.05rem; letter-spacing: .12em; }
.brand__text small { display: block; color: var(--muted); margin-top: 1px; font-size: .83rem; }
.nav-menu { display: flex; align-items: center; gap: 26px; font-weight: 800; color: #111a35; }
.nav-menu a:not(.nav-cta) { position: relative; }
.nav-menu a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 3px;
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent-gradient);
  transition: transform .25s ease;
}
.nav-menu a:hover::after, .nav-menu a.is-active::after { transform: scaleX(1); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  color: #fff;
  border-radius: 999px;
  background: var(--gradient);
  box-shadow: 0 18px 36px rgba(8, 21, 55, .22);
}
.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span:not(.sr-only) {
  display: block;
  width: 28px;
  height: 3px;
  margin: 5px 0;
  border-radius: 99px;
  background: var(--ink);
}

.hero {
  position: relative;
  isolation: isolate;
  padding: 96px 0 80px;
  color: #fff;
  background: var(--gradient);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.2));
  z-index: -2;
}
.hero__glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  filter: blur(10px);
  opacity: .35;
  z-index: -1;
}
.hero__glow--one { top: -160px; right: 4%; background: radial-gradient(circle, #71d4ff, transparent 65%); }
.hero__glow--two { bottom: -260px; left: 2%; background: radial-gradient(circle, #ad65ff, transparent 65%); }
.hero__grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 54px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
}
.hero .eyebrow { color: #89d9ff; }
h1, h2, h3 { line-height: 1.03; margin: 0; letter-spacing: -.04em; }
h1 { font-size: clamp(3rem, 7vw, 5.9rem); max-width: 920px; }
h2 { font-size: clamp(2.25rem, 5vw, 4.25rem); }
h3 { font-size: 1.4rem; }
.hero__lead {
  margin: 24px 0 0;
  max-width: 690px;
  color: rgba(255,255,255,.82);
  font-size: 1.18rem;
}
.hero__actions, .spotlight-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 25px;
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  color: #fff;
  background: var(--accent-gradient);
  box-shadow: 0 20px 45px rgba(32, 125, 255, .25), 0 14px 38px rgba(122, 40, 168, .18);
}
.btn--secondary {
  color: #fff;
  border: 1px solid rgba(255,255,255,.23);
  background: rgba(255,255,255,.1);
}
.btn--light {
  color: #081637;
  background: #fff;
}
.btn--full { width: 100%; }
.hero__proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 560px;
  margin-top: 40px;
}
.hero__proof span {
  padding: 18px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px;
  background: rgba(255,255,255,.08);
}
.hero__proof strong { display: block; font-size: 1.5rem; line-height: 1; }
.hero__proof small { display: block; margin-top: 5px; color: rgba(255,255,255,.72); }
.hero__visual img {
  filter: drop-shadow(0 36px 80px rgba(0,0,0,.34));
  transform: rotate(1deg);
}

.section { padding: 92px 0; }
.section--light { background: var(--light); }
.section--dark { color: #fff; background: var(--gradient); }
.section-heading { max-width: 800px; margin-bottom: 38px; }
.section-heading p:not(.eyebrow), .about__copy p, .gas-detail__content p, .contact__copy p, .faq__grid p {
  color: var(--muted);
  font-size: 1.06rem;
}
.section--dark .section-heading p:not(.eyebrow) { color: rgba(255,255,255,.75); }
.section-heading--center { text-align: center; margin-inline: auto; }

.evikon-spotlight {
  position: relative;
  z-index: 3;
  padding: 34px 0 88px;
  margin-top: -40px;
}
.spotlight-card {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 26px;
  align-items: center;
  padding: 24px;
  border-radius: 34px;
  color: #fff;
  background: linear-gradient(135deg, rgba(6,20,47,.98), rgba(13,32,84,.98) 45%, rgba(77,21,121,.98));
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}
.spotlight-card__copy { padding: 26px 10px 26px 22px; }
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  color: #c9eeff;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 900;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
}
.spotlight-card h2 { margin-top: 18px; font-size: clamp(2rem, 4vw, 3.7rem); }
.spotlight-card p { color: rgba(255,255,255,.8); font-size: 1.08rem; }
.spotlight-card__image img { border-radius: 24px; box-shadow: 0 30px 80px rgba(0,0,0,.35); }

.solution-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 11px 16px;
  font-weight: 900;
  cursor: pointer;
  transition: .25s ease;
}
.tab:hover, .tab.is-active { color: #fff; background: var(--gradient); border-color: transparent; }
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.solution-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 460px;
  padding: 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(11,21,52,.08);
  box-shadow: 0 14px 45px rgba(6, 20, 47, .07);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}
.solution-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--accent-gradient);
  transform: scaleX(.3);
  transform-origin: left;
  transition: transform .25s ease;
}
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.solution-card:hover::before { transform: scaleX(1); }
.solution-card.is-hidden { display: none; }
.solution-card__number {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border-radius: 16px;
  color: var(--blue);
  font-weight: 900;
  background: #e8f0ff;
}
.solution-card h3 { margin-bottom: 14px; }
.solution-card p { color: var(--muted); margin: 0 0 16px; }
.solution-card ul { padding-left: 20px; margin: 0 0 24px; color: #3d4962; }
.solution-card li { margin-bottom: 8px; }
.solution-card a { margin-top: auto; color: var(--blue); font-weight: 900; }
.solution-card--accent {
  color: #fff;
  background: var(--gradient);
}
.solution-card--accent p, .solution-card--accent ul { color: rgba(255,255,255,.78); }
.solution-card--accent .solution-card__number { background: rgba(255,255,255,.12); color: #fff; }
.solution-card--accent a { color: #8fe4ff; }

.gas-detail { background: #fff; }
.gas-detail__grid, .about__grid, .contact__grid, .faq__grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 52px;
  align-items: center;
}
.gas-detail__visual img, .about__image img { border-radius: 34px; box-shadow: var(--shadow); }
.risk-selector { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 18px; }
.risk-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 10px 14px;
  font-weight: 900;
  color: var(--muted);
  cursor: pointer;
}
.risk-button.is-active { color: #fff; background: var(--gradient); border-color: transparent; }
.risk-panel {
  padding: 24px;
  border-radius: 22px;
  background: var(--light);
  border: 1px solid rgba(11,21,52,.08);
}
.risk-panel h3 { margin-bottom: 8px; }
.risk-panel p { margin: 0; }
.mini-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
.mini-grid div {
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 35px rgba(6, 20, 47, .08);
}
.mini-grid strong { display: block; font-size: 1.05rem; }
.mini-grid span { display: block; color: var(--muted); font-size: .9rem; }

.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.industry-grid span {
  padding: 20px;
  border-radius: 20px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.12);
  font-weight: 850;
  color: rgba(255,255,255,.9);
}
.about__badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.about__badges span {
  padding: 10px 14px;
  border-radius: 999px;
  color: #fff;
  background: var(--gradient);
  font-weight: 850;
  font-size: .9rem;
}
.process-section { background: var(--light); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.process-card {
  padding: 26px;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 45px rgba(6,20,47,.08);
}
.process-card span { color: var(--blue); font-weight: 900; }
.process-card h3 { margin: 12px 0 10px; }
.process-card p { color: var(--muted); margin: 0; }

.faq-section { background: #fff; }
.faq__grid { align-items: start; }
.faq-list details {
  margin-bottom: 14px;
  padding: 22px;
  border-radius: 20px;
  background: var(--light);
  border: 1px solid rgba(11,21,52,.08);
}
.faq-list summary { cursor: pointer; font-weight: 900; font-size: 1.08rem; }
.faq-list p { margin: 12px 0 0; }
.contact-section { color: #fff; background: var(--gradient); }
.contact__grid { align-items: start; }
.contact__copy .eyebrow { color: #89d9ff; }
.contact__copy p { color: rgba(255,255,255,.78); }
.contact-cards { display: grid; gap: 14px; margin-top: 30px; }
.contact-cards a, .contact-cards span {
  display: block;
  padding: 20px;
  border-radius: 20px;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
}
.contact-cards strong { display: block; }
.contact-cards span span, .contact-cards small { display: block; color: rgba(255,255,255,.76); margin-top: 3px; font-size: 1rem; }
.enquiry-form {
  padding: 30px;
  border-radius: 30px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow-strong);
}
.form-row { margin-bottom: 17px; }
.form-row--split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: block; margin-bottom: 7px; font-weight: 900; color: #1a2540; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(11,21,52,.14);
  border-radius: 16px;
  padding: 13px 14px;
  color: var(--ink);
  background: #f8faff;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(32,125,255,.12); }
textarea { resize: vertical; }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: .92rem; }
.form-note.success { color: #047857; font-weight: 800; }
.form-note.error { color: #b42318; font-weight: 800; }
.honeypot { position: absolute; left: -10000px; opacity: 0; }

.site-footer { padding: 62px 0 26px; color: rgba(255,255,255,.85); background: #040b1f; }
.footer__grid { display: grid; grid-template-columns: 1.4fr .6fr .8fr; gap: 36px; }
.brand--footer .brand__text small { color: rgba(255,255,255,.65); }
.site-footer p { color: rgba(255,255,255,.65); max-width: 480px; }
.site-footer h3 { margin-bottom: 12px; font-size: 1.05rem; }
.site-footer a { display: block; color: rgba(255,255,255,.75); margin-bottom: 8px; }
.site-footer a:hover { color: #fff; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .93rem;
}
.floating-quote {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 20px;
  border-radius: 999px;
  color: #fff;
  font-weight: 900;
  background: var(--accent-gradient);
  box-shadow: 0 22px 45px rgba(7,21,47,.28);
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (max-width: 1060px) {
  .topbar__inner { flex-direction: column; align-items: flex-start; padding: 10px 0; }
  .topbar__links { flex-wrap: wrap; gap: 10px 16px; }
  .hero__grid, .spotlight-card, .gas-detail__grid, .about__grid, .contact__grid, .faq__grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding-top: 72px; }
}
@media (max-width: 820px) {
  .container { width: min(100% - 30px, var(--max)); }
  .navbar__inner { min-height: 72px; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute;
    left: 15px;
    right: 15px;
    top: calc(100% + 10px);
    display: grid;
    gap: 0;
    padding: 12px;
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: .2s ease;
  }
  .nav-menu.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-menu a { padding: 12px; }
  .nav-cta { margin-top: 6px; }
  h1 { font-size: clamp(2.65rem, 12vw, 4rem); }
  h2 { font-size: clamp(2rem, 9vw, 3rem); }
  .hero__proof, .mini-grid, .footer__grid { grid-template-columns: 1fr; }
  .solution-grid, .industry-grid, .process-grid { grid-template-columns: 1fr; }
  .form-row--split { grid-template-columns: 1fr; }
  .spotlight-card__copy { padding: 12px; }
  .spotlight-card { padding: 14px; }
  .section { padding: 70px 0; }
  .footer__bottom { flex-direction: column; }
  .floating-quote { right: 14px; bottom: 14px; min-height: 50px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}