/* =====================================================================
   AMERICAN CODE
   Intelligence without permission.
   ===================================================================== */

:root {
  --bg:        #0a0b0d;
  --bg-2:      #101216;
  --panel:     #0e1014;
  --line:      #1c2027;
  --line-2:    #262b34;
  --ink:       #eef1f4;
  --ink-soft:  #9aa3ad;
  --ink-faint: #5b636d;
  --accent:    #ff2f1f;   /* signal red */
  --accent-2:  #3b82f6;   /* cold blue  */
  --accent-dim:#ff2f1f22;
  --glow:      #ff2f1f55;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 4px;
}

:root[data-theme="light"] {
  --bg:        #f4f2ee;
  --bg-2:      #ffffff;
  --panel:     #ffffff;
  --line:      #e0dcd2;
  --line-2:    #cfc9bc;
  --ink:       #14161a;
  --ink-soft:  #545a63;
  --ink-faint: #8b909a;
  --accent:    #e51d0d;
  --accent-2:  #1d5efd;
  --accent-dim:#e51d0d16;
  --glow:      #e51d0d33;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

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

::selection { background: var(--accent); color: #fff; }

/* ============ AMBIENT BACKGROUND ============ */
.bg-grid,
.bg-scan,
.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.bg-grid {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .35;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 75%);
  animation: gridDrift 40s linear infinite;
}
@keyframes gridDrift { to { background-position: 0 64px, 64px 0; } }

.bg-scan {
  background: linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    #ffffff05 3px,
    transparent 4px
  );
  background-size: 100% 4px;
  opacity: .5;
  mix-blend-mode: overlay;
}
:root[data-theme="light"] .bg-scan { display: none; }

.bg-noise { opacity: .025; background-image:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* radial accent bloom behind hero */
body::before {
  content: "";
  position: fixed;
  top: -20%;
  left: 50%;
  width: 900px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 62%);
  pointer-events: none;
  z-index: 0;
  filter: blur(20px);
}

/* keep content above ambient layers */
.nav, main, .foot { position: relative; z-index: 2; }

/* ============ NAV ============ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px var(--pad);
  max-width: var(--maxw);
  margin: 0 auto;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .12em;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.wordmark__slash { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav__links a { color: var(--ink-soft); transition: color .2s; position: relative; }
.nav__links a:hover { color: var(--ink); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--accent); transition: width .25s;
}
.nav__links a:hover::after { width: 100%; }
.nav__ext { color: var(--accent) !important; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 7px 12px;
  border-radius: 40px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--ink); }
.theme-toggle__dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--glow);
}

/* ============ LAYOUT ============ */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ============ HERO ============ */
.hero { padding: clamp(56px, 11vh, 120px) 0 clamp(40px, 7vh, 72px); }

.hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 34px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-soft);
  border: 1px solid var(--line-2);
  padding: 5px 11px;
  border-radius: 40px;
  display: inline-flex; align-items: center; gap: 7px;
}
.tag--live { color: var(--ink); border-color: var(--accent); }
.tag--live i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--glow);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity:.35; transform: scale(.7);} }

.hero__title {
  font-size: clamp(40px, 8.4vw, 108px);
  line-height: .96;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0 0 30px;
  text-transform: uppercase;
}
.hero__title-accent {
  color: var(--accent);
  text-shadow: 0 0 40px var(--glow);
}

.hero__terminal {
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.6vw, 15px);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  background: var(--panel);
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 30px;
  max-width: 640px;
  overflow: hidden;
  white-space: nowrap;
}
.hero__prompt { color: var(--accent); margin-right: 10px; }
.hero__typed { color: var(--ink); }
.hero__caret { color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero__lede {
  max-width: 620px;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--ink-soft);
  margin: 0 0 36px;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* ============ BUTTONS ============ */
.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line-2);
  transition: transform .15s, background .2s, border-color .2s, color .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--glow);
}
.btn--primary:hover { box-shadow: 0 8px 30px var(--glow); }
.btn--ghost { color: var(--ink); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ============ TICKER ============ */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  margin: 0 calc(-1 * var(--pad));
  padding: 16px 0;
  background: var(--bg-2);
}
.ticker__track {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .14em;
  color: var(--ink);
  animation: marquee 34s linear infinite;
}
.ticker__track i { color: var(--accent); font-style: normal; }
.ticker:hover .ticker__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ SECTION HEAD ============ */
.section-head { padding: clamp(64px, 12vh, 120px) 0 40px; max-width: 720px; }
.section-head__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent);
  display: block;
  margin-bottom: 18px;
}
.section-head__title {
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0 0 16px;
}
.section-head__sub { color: var(--ink-soft); font-size: 18px; margin: 0; }

/* ============ WORK GRID ============ */
.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding-bottom: 40px;
}
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 30px 26px;
  overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(500px circle at var(--mx,50%) var(--my,0%), var(--accent-dim), transparent 55%);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.card:hover { border-color: var(--line-2); transform: translateY(-4px); }
.card:hover::before { opacity: 1; }
.card::after {
  content: "";
  position: absolute; left: 0; top: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width .4s ease;
}
.card:hover::after { width: 100%; }

.card__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 22px;
}
.card__status {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: .1em;
  color: var(--ink-faint);
  display: inline-flex; align-items: center; gap: 7px;
  text-transform: uppercase;
}
.card__status--live { color: var(--ink-soft); }
.card__status--live i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 8px var(--glow); animation: pulse 1.8s ease-in-out infinite;
}
.card__sheet {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: .1em; color: var(--ink-faint);
}

.card__title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700; letter-spacing: -.01em; margin: 0 0 6px;
}
.card__kicker {
  font-family: var(--font-mono);
  font-size: 13px; color: var(--accent); margin: 0 0 16px; letter-spacing: .01em;
}
.card__body { color: var(--ink-soft); font-size: 15.5px; margin: 0 0 22px; }

.card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.card__tags span {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .04em;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 4px 9px; border-radius: 3px;
}
.card__link {
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: .04em; color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px; transition: color .2s, gap .2s;
}
.card__link:hover { color: var(--accent); }
.card__link--muted {
  color: var(--ink-faint); border-color: var(--line-2); cursor: default;
}

/* ============ DOCTRINE ============ */
.doctrine { padding: clamp(64px, 12vh, 130px) 0; }
.doctrine__title {
  font-size: clamp(26px, 4.4vw, 50px);
  line-height: 1.12; font-weight: 600; letter-spacing: -.015em;
  margin: 22px 0 60px; max-width: 940px;
}
.doctrine__title span { color: var(--ink-faint); }
.doctrine__cols {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  border-top: 1px solid var(--line); padding-top: 44px;
}
.doctrine__note {
  color: var(--ink-soft);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
  max-width: 760px;
  margin: 0 0 44px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
}
.capabilities { display: flex; flex-wrap: wrap; gap: 10px; }
.capabilities span {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink);
  border: 1px solid var(--line-2);
  padding: 9px 15px;
  border-radius: 40px;
  transition: border-color .2s, color .2s, transform .15s;
}
.capabilities span:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* --- "more in the works" tile --- */
.card--more {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-style: dashed;
  border-color: var(--line-2);
  background: transparent;
}
.card--more::after { display: none; }
.card--more__plus {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
}
.card--more .card__title { margin-bottom: 12px; }

/* ============ SIGNAL ============ */
.signal { padding: clamp(30px, 6vh, 60px) 0 clamp(70px, 12vh, 130px); }
.signal__inner {
  display: grid; grid-template-columns: 220px 1fr; gap: 50px; align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(32px, 5vw, 64px);
  position: relative; overflow: hidden;
}
.signal__inner::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px circle at 12% 50%, var(--accent-dim), transparent 60%);
  pointer-events: none;
}
.signal__scope {
  position: relative; width: 180px; height: 180px; margin: 0 auto;
  display: grid; place-items: center;
}
.signal__core {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 20px var(--glow); z-index: 2;
}
.signal__ping {
  position: absolute; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--accent); opacity: 0;
  animation: ping 3s ease-out infinite;
}
.signal__ping--2 { animation-delay: 1s; }
.signal__ping--3 { animation-delay: 2s; }
@keyframes ping {
  0% { transform: scale(.4); opacity: .8; }
  100% { transform: scale(4.4); opacity: 0; }
}
.signal__text h2 {
  font-size: clamp(24px, 3.6vw, 40px); font-weight: 700;
  letter-spacing: -.015em; margin: 14px 0 14px; line-height: 1.08;
}
.signal__text p { color: var(--ink-soft); font-size: 17px; margin: 0 0 28px; max-width: 520px; }
.signal__links { display: flex; flex-wrap: wrap; gap: 14px; }

/* ============ FOOTER ============ */
.foot {
  max-width: var(--maxw); margin: 0 auto;
  padding: 48px var(--pad) 60px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 26px 40px;
  align-items: start;
}
.foot__brand {
  font-family: var(--font-mono); font-weight: 700; letter-spacing: .12em; font-size: 14px;
}
.foot__brand .wordmark__slash { color: var(--accent); }
.foot__meta { display: flex; flex-direction: column; gap: 4px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); letter-spacing: .04em; }
.foot__links { display: flex; gap: 22px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .06em; }
.foot__links a { color: var(--ink-soft); transition: color .2s; }
.foot__links a:hover { color: var(--accent); }
.foot__fine {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 22px; margin-top: 8px;
  font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-faint); letter-spacing: .06em;
}

/* ============ REVEAL ANIMATION ============ */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.16,.8,.3,1), transform .7s cubic-bezier(.16,.8,.3,1);
}
.reveal.in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .work__grid { grid-template-columns: 1fr; }
  .doctrine__cols { grid-template-columns: 1fr; gap: 34px; }
  .signal__inner { grid-template-columns: 1fr; gap: 30px; text-align: left; }
  .signal__scope { width: 130px; height: 130px; margin: 0; }
  .foot { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}