/* ====================================================================
   Elit3D — landing page styles
   Palette (from the editor):
     #5FD45F light green   #4C874C mid green   #32DB32 bright accent
     #435C43 muted green   #2E332E dark bg     #263326 darkest bg
   ==================================================================== */

:root {
  --green-light: #5fd45f;
  --green-mid: #4c874c;
  --green-bright: #32db32;
  --green-muted: #435c43;
  --bg: #2e332e;
  --bg-dark: #263326;
  --bg-darker: #1e271e;
  --surface: #313a31;
  --surface-2: #384338;
  --border: #3f4f3f;
  --text: #e7f2e7;
  --text-muted: #a6bba6;
  --text-dim: #7e947e;

  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.65);
  --glow: 0 0 40px -6px rgba(50, 219, 50, 0.45);
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.accent { color: var(--green-bright); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ----------------------------- Buttons ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { flex-shrink: 0; }
.btn--sm { padding: 8px 16px; font-size: 0.875rem; }
.btn--lg { padding: 15px 30px; font-size: 1.05rem; }

.btn--primary {
  background: linear-gradient(135deg, var(--green-light), var(--green-mid));
  color: #10210f;
  box-shadow: var(--glow);
}
.btn--primary:hover { box-shadow: 0 0 50px -4px rgba(50, 219, 50, 0.6); }

.btn--secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
.btn--secondary:hover { border-color: var(--green-mid); background: var(--surface); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--green-light); color: var(--green-light); }

/* ----------------------------- Nav ----------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(38, 51, 38, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(30, 39, 30, 0.9);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__logo { width: 30px; height: 30px; }
.nav__name { font-weight: 800; letter-spacing: 0.04em; font-size: 1.15rem; }
.nav__links { display: flex; gap: 28px; }
.nav__links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.18s ease;
}
.nav__links a:hover { color: var(--green-light); }
.nav__cta { display: flex; align-items: center; gap: 10px; }

/* ----------------------------- Hero ----------------------------- */
.hero {
  position: relative;
  padding: 84px 0 56px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(900px 460px at 50% -8%, rgba(50, 219, 50, 0.12), transparent 70%),
    linear-gradient(180deg, var(--bg-dark), var(--bg));
}
.hero__glow {
  position: absolute;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 720px; height: 480px;
  background: radial-gradient(circle, rgba(95, 212, 95, 0.18), transparent 65%);
  filter: blur(30px);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 820px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(56, 67, 56, 0.6);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 26px;
}
.badge__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 10px var(--green-bright);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.hero__lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 34px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.hero__note { margin-top: 22px; color: var(--text-dim); font-size: 0.85rem; }

.hero__shot { position: relative; margin-top: 64px; max-width: 760px; }
.hero__banner {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--bg-darker);
}
.hero__shot-caption { margin-top: 14px; color: var(--text-dim); font-size: 0.88rem; }
.hero__shot-caption a { color: var(--green-light); }
.hero__shot-caption a:hover { text-decoration: underline; }

/* ----------------------------- Strip ----------------------------- */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-dark); }
.strip__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 30px 24px;
}
.strip__item { text-align: center; }
.strip__num {
  display: block;
  font-family: var(--mono);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--green-light);
}
.strip__label { color: var(--text-muted); font-size: 0.9rem; }

/* ----------------------------- Sections ----------------------------- */
.section { padding: 88px 0; }
.section--alt { background: var(--bg-dark); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green-bright);
  margin-bottom: 14px;
}
.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.section__sub { color: var(--text-muted); font-size: 1.05rem; margin-top: 14px; }

/* ----------------------------- Feature grid ----------------------------- */
.grid { display: grid; gap: 20px; }
.grid--features { grid-template-columns: repeat(4, 1fr); }
.grid--features .card:first-child { grid-column: span 2; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--green-mid);
  box-shadow: var(--shadow);
}
.card__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(95, 212, 95, 0.16), rgba(76, 135, 76, 0.1));
  border: 1px solid var(--border);
  margin-bottom: 18px;
}
.card__icon svg { width: 24px; height: 24px; color: var(--green-light); }
.card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--text-muted); font-size: 0.95rem; }

/* ----------------------------- Gallery ----------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.gallery__placeholder {
  aspect-ratio: 16 / 10;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  gap: 10px;
  color: var(--text-dim);
  background: repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(63, 79, 63, 0.18) 12px, rgba(63, 79, 63, 0.18) 24px);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.gallery__placeholder:hover { border-color: var(--green-mid); color: var(--green-light); }
.gallery__placeholder svg { width: 38px; height: 38px; }
.gallery__placeholder span { font-size: 0.9rem; font-weight: 500; }

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 34px;
}
.cta-box h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.cta-box p { color: var(--text-muted); max-width: 560px; }

/* ----------------------------- Split (open source) ----------------------------- */
.split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.split__text .eyebrow { margin-bottom: 14px; }
.split__text .section__title { text-align: left; }
.checklist { list-style: none; margin: 24px 0; display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 30px; color: var(--text-muted); }
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--green-mid);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2l-3.5-3.5L4 14.2l5 5 11-11-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2l-3.5-3.5L4 14.2l5 5 11-11-1.4-1.4z'/%3E%3C/svg%3E") center/14px no-repeat;
}
.split__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

.tech-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.tech-card h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--green-bright); margin-bottom: 18px; }
.tech-list { list-style: none; display: grid; gap: 14px; }
.tech-list li { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.tech-list li:last-child { border-bottom: none; padding-bottom: 0; }
.tech-list span { color: var(--text-dim); font-size: 0.9rem; }
.tech-list strong { font-weight: 600; font-size: 0.95rem; }
.tech-card__note { margin-top: 18px; font-size: 0.88rem; color: var(--text-muted); }
.tech-card__note a { color: var(--green-light); }
.tech-card__note a:hover { text-decoration: underline; }

/* ----------------------------- Roadmap ----------------------------- */
.roadmap {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.roadmap__item {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.roadmap__item.is-progress { border-color: var(--green-mid); box-shadow: var(--glow); }
.roadmap__tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--green-bright);
  background: rgba(50, 219, 50, 0.1);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.roadmap__item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.roadmap__item p { color: var(--text-muted); font-size: 0.92rem; }

/* ----------------------------- Support ----------------------------- */
.support { position: relative; text-align: center; max-width: 720px; margin: 0 auto; }
.support__glow {
  position: absolute; inset: -40px 0 auto; height: 200px;
  background: radial-gradient(circle at 50% 0, rgba(50, 219, 50, 0.16), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}
.support__sub { color: var(--text-muted); font-size: 1.1rem; margin: 18px auto 32px; }
.support__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.support__note { margin-top: 22px; color: var(--text-dim); font-size: 0.88rem; }

/* ----------------------------- Footer ----------------------------- */
.footer { background: var(--bg-darker); border-top: 1px solid var(--border); padding: 56px 0 30px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 40px; padding-bottom: 36px; }
.footer__logo { height: 38px; width: auto; margin-bottom: 12px; }
.footer__brand p { color: var(--text-muted); font-size: 0.92rem; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__col h5 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-dim); margin-bottom: 14px; }
.footer__col a { display: block; color: var(--text-muted); font-size: 0.92rem; padding: 4px 0; transition: color 0.18s ease; }
.footer__col a:hover { color: var(--green-light); }
.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding-top: 24px; border-top: 1px solid var(--border);
  color: var(--text-dim); font-size: 0.85rem;
}

/* ----------------------------- Reveal animation ----------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ----------------------------- Responsive ----------------------------- */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  .grid--features .card:first-child { grid-column: span 2; }
  .roadmap { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split__text .section__title { text-align: center; }
  .split__text .eyebrow, .split__text .section__sub { text-align: center; }
  .split__text { text-align: center; }
  .checklist { max-width: 420px; margin-inline: auto; }
  .split__actions { justify-content: center; }
}
@media (max-width: 620px) {
  .strip__inner { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .grid--features { grid-template-columns: 1fr; }
  .grid--features .card:first-child { grid-column: span 1; }
  .gallery { grid-template-columns: 1fr; }
  .roadmap { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .section { padding: 64px 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}