/* ============================================================
   KNIGHTDEVS — styles
   Cool steel / midnight tech theme. Single stylesheet, no build step.
   Tweak the palette in :root and everything follows.
   ============================================================ */

:root {
  /* Palette */
  --ink-0:   #060912;   /* deepest, near-black */
  --ink-1:   #0b1020;   /* base background */
  --ink-2:   #121a30;   /* raised surfaces */
  --ink-3:   #1c2742;   /* card borders / hovers */
  --steel:   #aeb9d4;   /* muted body text */
  --chrome:  #e8edf8;   /* bright text */
  --blade:   #5b8cff;   /* primary accent (knight blue) */
  --blade-2: #38e0d0;   /* secondary accent (cyan edge) */
  --glow:    rgba(91, 140, 255, 0.35);

  /* Type */
  --display: "Sora", system-ui, sans-serif;
  --sans:    "Inter", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1120px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--steel);
  background: var(--ink-1);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
code { font-family: var(--mono); }

.container { width: min(var(--maxw), 90vw); margin-inline: auto; }

/* ============================================================ SITE BACKDROP */
body {
  background:
    radial-gradient(130% 80% at 50% -20%, #16213f 0%, var(--ink-1) 48%, var(--ink-0) 100%)
    fixed;
}

/* ============================================================ SHARED BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.5rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.btn--primary {
  color: var(--ink-0);
  background: linear-gradient(135deg, var(--blade), var(--blade-2));
  box-shadow: 0 8px 30px -10px var(--glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -12px var(--glow); }
.btn--ghost {
  color: var(--chrome);
  border-color: var(--ink-3);
  background: rgba(255,255,255,0.02);
}
.btn--ghost:hover { border-color: var(--blade); color: var(--chrome); transform: translateY(-2px); }

/* ============================================================ NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1rem, 5vw, 3rem);
  background: linear-gradient(to bottom, rgba(6,9,18,0.8), transparent);
  backdrop-filter: blur(8px);
  transition: background 0.4s ease, padding 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(6,9,18,0.92);
  padding-block: 0.8rem;
  border-bottom: 1px solid rgba(174,185,212,0.08);
}
.nav__brand {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--chrome);
  font-size: 1.05rem;
}
.nav__mark { color: var(--blade); margin-inline: 0.12em; }
.nav__links { display: flex; align-items: center; gap: clamp(0.8rem, 2.5vw, 2rem); }
.nav__links a {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--steel);
  transition: color 0.25s ease;
}
.nav__links a:hover { color: var(--chrome); }
.nav__cta {
  color: var(--ink-0) !important;
  background: linear-gradient(135deg, var(--blade), var(--blade-2));
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
}
.nav__cta:hover { filter: brightness(1.08); }

/* ============================================================ HERO */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 7rem 1rem 4rem;
  overflow: hidden;
}
/* faint engineering grid */
.hero__grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(91,140,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,140,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(120% 80% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 30%, #000 30%, transparent 78%);
}
.hero__glow {
  position: absolute; z-index: 0;
  width: 60vw; height: 60vw; max-width: 720px; max-height: 720px;
  top: -10%; left: 50%; transform: translateX(-50%);
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
  filter: blur(20px);
  pointer-events: none;
}
.hero__content { position: relative; z-index: 2; max-width: 820px; }
.hero__eyebrow {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blade-2);
  margin-bottom: 1.2rem;
}
.hero__title {
  font-family: var(--display);
  font-weight: 800;
  color: var(--chrome);
  font-size: clamp(2.4rem, 6.5vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}
.accent {
  background: linear-gradient(135deg, var(--blade), var(--blade-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__tagline {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  max-width: 640px;
  margin: 0 auto 2rem;
  color: var(--steel);
}
.hero__actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }

.hero__terminal {
  margin-top: 2.4rem;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--ink-3);
  background: rgba(6,9,18,0.6);
}
.hero__terminal .prompt { color: var(--blade-2); }
.hero__terminal .cmd { color: var(--steel); }

.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2; width: 26px; height: 42px;
  border: 2px solid rgba(174,185,212,0.35); border-radius: 14px;
}
.hero__scroll span {
  display: block; width: 4px; height: 8px; margin: 7px auto 0;
  background: var(--blade); border-radius: 2px;
  animation: scrolldot 1.8s ease-in-out infinite;
}
@keyframes scrolldot { 0%,100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(10px); opacity: 0.2; } }

/* ============================================================ SECTIONS (shared) */
.section { padding: clamp(4rem, 9vw, 7rem) 0; position: relative; }
.section--services { border-top: 1px solid rgba(174,185,212,0.06); }
.section__eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blade-2);
  margin-bottom: 0.8rem;
}
.section__title {
  font-family: var(--display);
  font-weight: 700;
  color: var(--chrome);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.lede { max-width: 640px; font-size: 1.05rem; margin-bottom: 2.5rem; }
.inline-code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--blade-2);
  background: rgba(91,140,255,0.1);
  padding: 0.1em 0.45em;
  border-radius: 6px;
}

/* ============================================================ FEATURE GRID */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.feature {
  background: linear-gradient(180deg, var(--ink-2), rgba(18,26,48,0.5));
  border: 1px solid var(--ink-3);
  border-radius: 16px;
  padding: 1.8rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--blade);
  box-shadow: 0 18px 50px -24px var(--glow);
}
.feature__icon {
  font-family: var(--mono);
  font-size: 1.4rem;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(91,140,255,0.12);
  color: var(--blade-2);
  margin-bottom: 1.1rem;
}
.feature h3 { font-family: var(--display); color: var(--chrome); font-size: 1.2rem; margin-bottom: 0.5rem; }
.feature p { font-size: 0.95rem; }

/* ============================================================ SHOWCASE GRID (the appendix) */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}
.showcase {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--ink-2), rgba(18,26,48,0.5));
  border: 1px solid var(--ink-3);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.showcase:hover {
  transform: translateY(-4px);
  border-color: var(--blade);
  box-shadow: 0 18px 50px -24px var(--glow);
}
.showcase__thumb {
  aspect-ratio: 16 / 9;
  background: var(--ink-3);
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.showcase__thumb img { width: 100%; height: 100%; object-fit: cover; }
.showcase__thumb-fallback {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--chrome);
  letter-spacing: 0.04em;
  opacity: 0.85;
}
.showcase__tag {
  position: absolute; top: 0.7rem; left: 0.7rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(6,9,18,0.7);
  color: var(--steel);
  backdrop-filter: blur(4px);
}
.showcase__body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.showcase__name { font-family: var(--display); color: var(--chrome); font-size: 1.25rem; margin-bottom: 0.4rem; }
.showcase__blurb { font-size: 0.93rem; margin-bottom: 1.1rem; flex: 1; }
.showcase__foot { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }
.showcase__url {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--blade-2);
  word-break: break-all;
}
.showcase__status {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  border-radius: 6px;
  white-space: nowrap;
}
.showcase__status--live { color: var(--blade-2); background: rgba(56,224,208,0.12); }
.showcase__status--soon { color: var(--steel); background: rgba(174,185,212,0.1); }
/* a non-live card should not look clickable */
.showcase.is-soon { cursor: default; }
.showcase.is-soon:hover { transform: none; border-color: var(--ink-3); box-shadow: none; }

.work__note { font-size: 0.95rem; color: var(--steel); }

/* ============================================================ PROCESS STEPS */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  counter-reset: step;
}
.step {
  background: linear-gradient(180deg, var(--ink-2), rgba(18,26,48,0.5));
  border: 1px solid var(--ink-3);
  border-radius: 16px;
  padding: 1.8rem;
  position: relative;
}
.step__num {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--blade);
  display: inline-block;
  margin-bottom: 0.9rem;
}
.step h3 { font-family: var(--display); color: var(--chrome); font-size: 1.2rem; margin-bottom: 0.5rem; }
.step p { font-size: 0.95rem; }

/* ============================================================ CONTACT */
.section--contact { text-align: center; border-top: 1px solid rgba(174,185,212,0.06); }
.contact { display: flex; flex-direction: column; align-items: center; }
.contact .lede { margin-inline: auto; }
.contact__actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.2rem; }
.contact__line { font-family: var(--mono); font-size: 0.9rem; color: var(--steel); }

/* ============================================================ FOOTER */
.footer { padding: 2.5rem 0; border-top: 1px solid rgba(174,185,212,0.08); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer__brand { font-family: var(--display); font-weight: 800; letter-spacing: 0.18em; color: var(--chrome); font-size: 0.95rem; }
.footer__line { font-size: 0.85rem; color: var(--steel); }
.footer__links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer__links a { font-size: 0.82rem; color: var(--steel); transition: color 0.25s ease; }
.footer__links a:hover { color: var(--chrome); }

/* ============================================================ REVEAL ANIMATION */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll span { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================ RESPONSIVE */
@media (max-width: 640px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .footer__inner { flex-direction: column; text-align: center; }
}