/* SurvivorCore landing page — matches docs/design-language.md
   (dark translucent panels, charcoal / ember-orange / survival-green). */
:root {
  --bg: #14171e;
  --bg-2: #0f1217;
  --panel: rgba(20, 23, 30, 0.55);
  --panel-solid: #1a1e27;
  --stroke: rgba(210, 220, 245, 0.12);
  --stroke-strong: rgba(210, 220, 245, 0.22);
  --text: #f1f3f8;
  --muted: #a6adbd;
  --ember: #f0883c;
  --green: #5acd78;
  --radius: 14px;
  --maxw: 1120px;
  --font: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--green); text-decoration: none; }
a:hover { color: #7fe39a; }
code, pre {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", monospace;
  font-size: 0.86em;
}
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; margin: 0; }
.accent { color: var(--green); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.7em 1.25em;
  border-radius: 11px;
  font-weight: 700;
  font-size: 0.96rem;
  border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #08120b; }
.btn-primary:hover { background: #6fe08c; color: #08120b; }
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--stroke-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--green); color: var(--text); background: rgba(90, 205, 120, 0.08); }
.btn-sponsor {
  background: rgba(233, 105, 150, 0.12);
  border-color: rgba(233, 105, 150, 0.35);
  color: #f3a0bd;
}
.btn-sponsor:hover { background: rgba(233, 105, 150, 0.2); border-color: rgba(233, 105, 150, 0.6); color: #ffc0d6; }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 4vw, 2rem);
  background: rgba(15, 18, 23, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--stroke);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand img { display: block; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; }
.nav-links > a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.nav-links > a:hover { color: var(--text); }
.nav-links .btn { padding: 0.5em 1em; }

/* ---- Hero ---- */
.hero { position: relative; isolation: isolate; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: url("assets/img/hero.jpg") center 38% / cover no-repeat;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 20%, transparent 30%, rgba(15, 18, 23, 0.5) 100%),
    linear-gradient(180deg, rgba(15, 18, 23, 0.62) 0%, rgba(15, 18, 23, 0.35) 38%, rgba(20, 23, 30, 0.92) 92%, var(--bg) 100%);
}
.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 7rem) clamp(1.2rem, 4vw, 2rem) clamp(3rem, 7vw, 5.5rem);
  text-align: center;
}
.hero-logo {
  width: clamp(84px, 12vw, 112px);
  height: auto;
  filter: drop-shadow(0 8px 26px rgba(0, 0, 0, 0.45));
  margin-bottom: 1.2rem;
}
.badge {
  display: inline-block;
  margin-bottom: 1.1rem;
  padding: 0.32em 0.85em;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--green);
  background: rgba(90, 205, 120, 0.1);
  border: 1px solid rgba(90, 205, 120, 0.3);
  border-radius: 999px;
}
.badge:hover { color: #7fe39a; }
h1 {
  font-size: clamp(2.3rem, 6vw, 3.7rem);
  font-weight: 800;
}
.lede {
  margin: 1.1rem auto 0;
  max-width: 620px;
  color: #d6dbe6;
  font-size: clamp(1.02rem, 2.4vw, 1.18rem);
}
.lede strong { color: var(--text); }
.cta { margin-top: 1.8rem; display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero-sub { margin-top: 1.3rem; color: var(--muted); font-size: 0.9rem; }
.hero-sub code { color: #cdd3df; }

/* ---- Value props ---- */
.props {
  max-width: var(--maxw);
  margin: clamp(2.5rem, 6vw, 4.5rem) auto 0;
  padding: 0 clamp(1.2rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.prop {
  padding: 1.3rem 1.3rem 1.4rem;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.prop h3 { font-size: 1.06rem; font-weight: 700; }
.prop p { margin: 0.5rem 0 0; color: var(--muted); font-size: 0.95rem; }

/* ---- Sections ---- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1.2rem, 4vw, 2rem) 0;
}
.section-head { text-align: center; max-width: 640px; margin: 0 auto clamp(2rem, 5vw, 3rem); }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; }
.section-head p { color: var(--muted); margin: 0.7rem 0 0; font-size: 1.05rem; }

/* ---- Feature grid ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.card {
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--stroke-strong); background: rgba(26, 30, 39, 0.6); }
.card h3 { font-size: 1.18rem; font-weight: 700; margin-top: 1rem; }
.card p { color: var(--muted); margin: 0.5rem 0 0; font-size: 0.97rem; }
.card code { color: #cdd3df; background: rgba(255, 255, 255, 0.05); padding: 0.05em 0.35em; border-radius: 5px; }
.ico {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
}
.ico svg { width: 24px; height: 24px; }
.ico-green { color: var(--green); background: rgba(90, 205, 120, 0.12); }
.ico-ember { color: var(--ember); background: rgba(240, 136, 60, 0.13); }
/* The capstone card (the no-code admin plugin) spans the full grid row. */
.card-wide { grid-column: 1 / -1; }

/* ---- Showcase ---- */
.shot {
  margin: 0;
  border: 1px solid var(--stroke-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-solid);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.7);
}
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption {
  padding: 0.8rem 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--stroke);
  text-align: center;
}
.videos {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.video {
  background: var(--panel-solid);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  overflow: hidden;
}
.video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; }
.video span {
  display: block;
  padding: 0.65rem 1rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--muted);
  border-top: 1px solid var(--stroke);
}

/* ---- Get started ---- */
.start-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.panel {
  min-width: 0; /* let the panel shrink so its <pre> scrolls instead of overflowing the page */
  padding: 1.6rem;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.panel h3 { font-size: 1.2rem; font-weight: 700; }
.panel p { color: var(--muted); }
.panel p.muted { font-size: 0.9rem; }
.panel .btn { margin-top: 0.4rem; margin-right: 0.5rem; }
pre {
  margin: 1rem 0;
  padding: 1rem 1.1rem;
  background: #0c0f14;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  overflow-x: auto;
  color: #d7dce6;
  line-height: 1.55;
}
pre code { color: inherit; }

/* ---- Footer ---- */
.footer {
  margin-top: clamp(3.5rem, 8vw, 6rem);
  padding: clamp(2rem, 5vw, 3rem) clamp(1.2rem, 4vw, 2rem) 2.5rem;
  border-top: 1px solid var(--stroke);
  background: var(--bg-2);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; }
.footer-links { display: flex; gap: 1.3rem; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.footer-links a:hover { color: var(--text); }
.colophon {
  max-width: var(--maxw);
  margin: 1.5rem auto 0;
  color: #6f7686;
  font-size: 0.86rem;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .props { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .start-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav { flex-wrap: wrap; justify-content: center; }
  .nav-links { gap: 0.8rem; flex-wrap: wrap; justify-content: center; }
  .nav-links > a:not(.btn) { display: none; }
  .props { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .videos { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition: none !important; }
}