/* ════════════════════════════════════════════════════════════
   INFIMERCE — One-page site (v5: official brand palette)
   A fixed Three.js canvas sits behind the entire page.
   Content lives in glass panels so the 3D shows through.

   Brand palette
     --bg           #0B0F1A   dark background
     --green        #10B981   primary green (growth)
     --green-light  #34D399   light tint of primary (from logo gradient)
     --blue         #1E3A8A   secondary blue (trust)
     --text         #F9FAFB   text white
   Type
     Display:  Poppins (headlines)
     Body:     Poppins
     Utility:  IBM Plex Mono (SKU-style labels, tickers)
   ════════════════════════════════════════════════════════════ */

:root {
  --bg: #0b0f1a;
  --surface: #111827;
  --green: #10b981;
  --green-light: #34d399;
  --blue: #1e3a8a;
  --text: #f9fafb;
  --line: rgba(249, 250, 251, 0.14);
  --glass-bg: rgba(17, 24, 39, 0.62);
  --radius: 14px;
  --pad: clamp(1.25rem, 4vw, 4rem);
}

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

html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }

body {
  font-family: "Poppins", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── The continuous 3D world ─── */
#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

.content { position: relative; z-index: 1; }

h1, h2, h3 {
  font-family: "Poppins", sans-serif;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

h2 { font-size: clamp(2rem, 5vw, 3.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }

a { color: inherit; text-decoration: none; }

.mono {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--green);
  margin-bottom: 1rem;
}

/* ─── Glass panel — the surface content sits on ─── */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ─── Buttons ─── */
.btn {
  display: inline-block;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--green);
  color: var(--bg);
  padding: 0.85rem 1.8rem;
  border: 1px solid var(--green);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-2px); background: var(--green-light); border-color: var(--green-light); }
.btn:focus-visible { outline: 3px solid var(--green-light); outline-offset: 3px; }
.btn--ghost {
  background: rgba(17, 24, 39, 0.5);
  color: var(--text);
  border-color: var(--line);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.btn--ghost:hover { background: rgba(249, 250, 251, 0.1); }
.btn--small { padding: 0.55rem 1.2rem; font-size: 0.85rem; }
.btn--full { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: wait; transform: none; }

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem var(--pad);
  background: rgba(11, 15, 26, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__logo {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 1rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.nav__logo-img { height: 24px; width: auto; display: block; }
.nav__links { display: flex; gap: 1.6rem; font-size: 0.92rem; }
.nav__links a { opacity: 0.8; transition: opacity 0.15s; }
.nav__links a:hover { opacity: 1; color: var(--green); }
.nav__right { display: flex; align-items: center; gap: 0.8rem; }

/* hamburger (mobile) */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: rgba(17, 24, 39, 0.5);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  padding: 0 10px;
}
.nav__burger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__burger { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(11, 15, 26, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 0.4rem 0;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a {
    padding: 0.95rem var(--pad);
    border-top: 1px solid var(--line);
    opacity: 0.95;
  }
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
}
.hero__inner {
  padding: 7rem var(--pad) 4rem;
  max-width: 880px;
}
.hero__title {
  font-size: clamp(2.1rem, 7.2vw, 4.9rem);
  font-weight: 800;
  overflow-wrap: break-word;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 30px rgba(11, 15, 26, 0.9);
}
.hero__title em { font-style: normal; color: var(--green); }
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 34rem;
  opacity: 0.88;
  margin-bottom: 2.2rem;
  text-shadow: 0 1px 16px rgba(11, 15, 26, 1);
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 1.4rem; left: 50%;
  transform: translateX(-50%);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  opacity: 0.55;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* ─── Ticker ─── */
.ticker {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.65rem 0;
}
.ticker__track {
  display: flex;
  gap: 3rem;
  width: max-content;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  animation: ticker 38s linear infinite;
}
.ticker__track span { opacity: 0.8; }
.ticker__track .ok { color: var(--green); }
.ticker__track .low { color: var(--green-light); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ─── Sections — transparent, the 3D world shows through ─── */
.section { padding: clamp(5rem, 11vw, 9rem) var(--pad); }
.section__head { max-width: 760px; margin-bottom: 3.2rem; }
.section__head h2 { text-shadow: 0 2px 26px rgba(11, 15, 26, 0.95); }

/* ─── Features — 3 + 3 on desktop ─── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
@media (max-width: 1100px) {
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .features { grid-template-columns: 1fr; }
}
.feature {
  padding: 1.8rem 1.6rem;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}
.feature:hover {
  transform: translateY(-5px);
  border-color: var(--green);
  background: rgba(20, 30, 48, 0.78);
}
.feature__tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--green);
  border: 1px solid currentColor;
  border-radius: 999px;
  display: inline-block;
  padding: 0.2rem 0.65rem;
  margin-bottom: 1rem;
}
.feature p { font-size: 0.95rem; opacity: 0.85; }

/* ─── Steps ─── */
.steps {
  list-style: none;
  max-width: 860px;
  padding: 0.6rem 1.8rem;
}
.step {
  display: flex;
  gap: 1.6rem;
  padding: 1.9rem 0;
  align-items: flex-start;
}
.step + .step { border-top: 1px solid var(--line); }
.step__num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: 2.6rem; height: 2.6rem;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.step p { opacity: 0.82; font-size: 0.97rem; max-width: 38rem; }

/* ─── Audience (Built for) ─── */
.audience {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}
@media (max-width: 1100px) {
  .audience { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .audience { grid-template-columns: 1fr; }
}
.audience__card {
  padding: 1.7rem 1.5rem;
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.audience__card:hover { transform: translateY(-4px); border-color: var(--green-light); }
.audience__card p { font-size: 0.93rem; opacity: 0.85; }

/* ─── Stats bar ─── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  padding: 1.6rem 1.8rem;
  text-align: center;
}
.stat { display: grid; gap: 0.3rem; }
.stat__num {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--green);
}
.stat__label { opacity: 0.75; }

/* ─── Vision ─── */
.vision {
  max-width: 820px;
  padding: clamp(1.8rem, 4vw, 3rem);
}
.vision__body {
  margin-top: 1.4rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.75;
  opacity: 0.92;
}
.vision__body strong { color: var(--green); }

/* ─── FAQ ─── */
.faq {
  max-width: 820px;
  display: grid;
  gap: 0.9rem;
}
.faq__item { overflow: hidden; }
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 3rem 1.15rem 1.4rem;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  transition: color 0.15s ease;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1.3rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.1rem;
  color: var(--green);
  transition: transform 0.2s ease;
}
.faq__item[open] summary { color: var(--green); }
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item summary:hover { color: var(--green); }
.faq__item summary:focus-visible { outline: 2px solid var(--green-light); outline-offset: -2px; border-radius: var(--radius); }
.faq__item p {
  padding: 0 1.4rem 1.3rem;
  font-size: 0.95rem;
  opacity: 0.85;
  max-width: 44rem;
}

/* ─── Enquiry ─── */
.enquiry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  max-width: 1100px;
}
.enquiry__copy h2 { text-shadow: 0 2px 26px rgba(11, 15, 26, 0.95); }
.enquiry__copy p { opacity: 0.88; max-width: 30rem; text-shadow: 0 1px 14px rgba(11, 15, 26, 1); }
.enquiry__note { margin-top: 1.6rem; color: var(--green-light); opacity: 0.95; }

.enquiry__form {
  padding: 1.8rem;
  display: grid;
  gap: 1.1rem;
}
.enquiry__form label { display: grid; gap: 0.4rem; font-size: 0.88rem; }
.enquiry__form label span { font-weight: 600; }
.enquiry__form small { opacity: 0.6; font-weight: 400; }
.enquiry__form input,
.enquiry__form textarea {
  font: inherit;
  color: var(--text);
  background: rgba(11, 15, 26, 0.75);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 0.95rem;
  transition: border-color 0.15s ease;
  resize: vertical;
}
.enquiry__form input::placeholder,
.enquiry__form textarea::placeholder { color: rgba(249, 250, 251, 0.4); }
.enquiry__form input:focus,
.enquiry__form textarea:focus {
  outline: none;
  border-color: var(--green);
}
.enquiry__status { min-height: 1.3em; font-size: 0.88rem; }
.enquiry__status.ok { color: var(--green-light); }
.enquiry__status.err { color: #ff9d8a; }

/* ─── Footer ─── */
.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 1.6rem var(--pad);
  border-top: 1px solid var(--line);
  background: rgba(11, 15, 26, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.8rem;
}
.footer__logo {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.footer__logo-img { height: 18px; width: auto; display: block; }
.footer a:hover { color: var(--green); }

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ─── Responsive ─── */
@media (max-width: 760px) {
  .enquiry { grid-template-columns: 1fr; }
  .steps { padding: 0.4rem 1.2rem; }
}


/* ─── Small phones ─── */
@media (max-width: 480px) {
  .nav { padding: 0.65rem 1rem; }
  .nav__logo { font-size: 0.85rem; letter-spacing: 0.08em; gap: 0.45rem; }
  .nav__logo-img { height: 19px; }
  .nav__right { gap: 0.5rem; }
  .btn--small { padding: 0.5rem 0.85rem; font-size: 0.76rem; white-space: nowrap; }
  .nav__burger { width: 38px; height: 38px; }

  .hero__inner { padding: 5.5rem 1.25rem 3.5rem; }
  .hero__title { font-size: clamp(1.9rem, 9.5vw, 2.5rem); }
  .hero__sub { font-size: 0.98rem; }
  .hero__actions .btn { padding: 0.78rem 1.4rem; font-size: 0.9rem; }

  .section { padding: 3.8rem 1.25rem; }
  .section__head { margin-bottom: 2.2rem; }
  h2 { font-size: clamp(1.7rem, 7.5vw, 2.1rem); }

  .feature, .audience__card { padding: 1.4rem 1.25rem; }
  .steps { padding: 0.3rem 1rem; }
  .step { gap: 1rem; padding: 1.4rem 0; }
  .step__num { width: 2.2rem; height: 2.2rem; font-size: 0.75rem; }

  .stats { padding: 1.2rem 1rem; gap: 1.2rem; grid-template-columns: repeat(2, 1fr); }
  .vision { padding: 1.5rem 1.25rem; }
  .faq__item summary { padding: 1rem 2.6rem 1rem 1.1rem; font-size: 0.95rem; }
  .faq__item p { padding: 0 1.1rem 1.1rem; }
  .enquiry__form { padding: 1.3rem; }

  .footer { justify-content: center; text-align: center; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker__track { animation: none; }
  .hero__scroll { animation: none; }
  .btn, .feature, .audience__card { transition: none; }
}