/* ============================================================
   Night Beacon Studios — nightbeaconstudios.com
   Single-page site. Dark, technical, beacon motif.
   ============================================================ */

:root{
  --bg:        #070B14;
  --bg-alt:    #0A1020;
  --surface:   #0E1524;
  --surface-2: #121A2C;
  --line:      rgba(255,255,255,.09);
  --line-soft: rgba(255,255,255,.05);

  --text:      #E9EEF7;
  --text-mid:  #A8B6CC;
  --muted:     #7E8DA6;

  --beacon:    #FFB84D;
  --beacon-hi: #FFD08A;
  --beacon-dim:#8A6220;

  --maxw: 1120px;
  --gut: clamp(20px, 5vw, 48px);

  --sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }

h1,h2,h3{ font-weight:600; line-height:1.1; letter-spacing:-.02em; margin:0; }
p{ margin:0; }

a{ color:inherit; }

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gut);
}

.skip{
  position:absolute; left:-9999px; top:0;
  background:var(--beacon); color:#0A0A0A;
  padding:12px 18px; border-radius:0 0 8px 0;
  font-weight:600; z-index:200;
}
.skip:focus{ left:0; }

:focus-visible{
  outline:2px solid var(--beacon);
  outline-offset:3px;
  border-radius:4px;
}

/* ───────────────────────── NAV ───────────────────────── */

.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s var(--ease);
}
.nav.stuck{
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line-soft);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; min-height:72px;
}

.mark{
  display:inline-flex; align-items:center; gap:12px;
  text-decoration:none; font-weight:600; letter-spacing:-.01em;
  font-size:16px; line-height:1.15;
}
.mark-icon{
  position:relative; flex:0 0 auto;
  width:22px; height:22px; border-radius:50%;
  border:1px solid rgba(255,184,77,.38);
  display:grid; place-items:center;
}
.mark-icon.small{ width:16px; height:16px; }
.mark-dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--beacon);
  box-shadow:0 0 10px 2px rgba(255,184,77,.6);
  animation:pulse 3.2s var(--ease) infinite;
}
.mark-icon.small .mark-dot{ width:5px; height:5px; }
@keyframes pulse{
  0%,100%{ opacity:1;   transform:scale(1); }
  50%    { opacity:.42; transform:scale(.82); }
}
.mark-text{ display:flex; flex-direction:column; }
.mark-sub{
  font-family:var(--mono); font-size:9.5px; font-weight:400;
  letter-spacing:.26em; text-transform:uppercase;
  color:var(--muted); margin-top:1px;
}

.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-links a{
  text-decoration:none; font-size:14.5px; color:var(--text-mid);
  transition:color .2s var(--ease);
}
.nav-links a:hover{ color:var(--text); }
.nav-cta{
  border:1px solid var(--line);
  padding:8px 16px; border-radius:999px;
  color:var(--text) !important;
  transition:border-color .25s var(--ease), background .25s var(--ease) !important;
}
.nav-cta:hover{ border-color:rgba(255,184,77,.5); background:rgba(255,184,77,.08); }

@media (max-width:760px){
  .nav-links a:not(.nav-cta){ display:none; }
}

/* ───────────────────────── HERO ───────────────────────── */

.hero{
  position:relative;
  min-height:min(100svh, 860px);
  display:flex; align-items:center;
  padding-block:clamp(120px,18vh,180px) clamp(80px,12vh,140px);
  overflow:hidden;
  isolation:isolate;
}

/* sweeping lighthouse beam */
.beam{
  position:absolute; z-index:-2;
  top:-58vmax; left:50%;
  width:116vmax; height:116vmax;
  margin-left:-58vmax;
  background:conic-gradient(from 0deg,
      rgba(255,184,77,0)   0deg,
      rgba(255,184,77,.05) 5deg,
      rgba(255,184,77,.11) 13deg,
      rgba(255,184,77,.07) 22deg,
      rgba(255,184,77,.02) 34deg,
      rgba(255,184,77,0)   48deg,
      rgba(255,184,77,0)  172deg,
      rgba(255,184,77,.04) 186deg,
      rgba(255,184,77,.01) 198deg,
      rgba(255,184,77,0)  212deg,
      rgba(255,184,77,0)  360deg);
  /* feather the shaft so it has no hard outer edge */
  -webkit-mask-image:radial-gradient(circle at 50% 50%,
      #000 0%, rgba(0,0,0,.85) 18%, rgba(0,0,0,.35) 38%, transparent 56%);
          mask-image:radial-gradient(circle at 50% 50%,
      #000 0%, rgba(0,0,0,.85) 18%, rgba(0,0,0,.35) 38%, transparent 56%);
  filter:blur(14px);
  animation:sweep 34s linear infinite;
  pointer-events:none;
  will-change:transform;
}
@keyframes sweep{ to{ transform:rotate(360deg); } }

/* horizon glow at the base of the beam */
.horizon{
  position:absolute; z-index:-1;
  top:-42vmax; left:50%; transform:translateX(-50%);
  width:min(1400px,140vw); height:min(1400px,140vw);
  background:radial-gradient(circle at 50% 50%,
      rgba(255,184,77,.16) 0%,
      rgba(255,184,77,.05) 34%,
      rgba(7,11,20,0) 64%);
  pointer-events:none;
}

.hero-inner{ position:relative; }

.eyebrow{
  font-family:var(--mono); font-size:11.5px; font-weight:400;
  letter-spacing:.28em; text-transform:uppercase;
  color:var(--beacon);
  margin-bottom:26px;
}

.hero h1{
  font-size:clamp(2.9rem, 8.4vw, 5.6rem);
  letter-spacing:-.035em;
  font-weight:600;
  margin-bottom:28px;
  background:linear-gradient(168deg, #FFFFFF 8%, #C9D6EA 58%, #8FA2BE 100%);
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}

.lede{
  font-size:clamp(1.06rem, 2.1vw, 1.32rem);
  line-height:1.62;
  color:var(--text-mid);
  max-width:41ch;
}
.lede em{
  font-style:normal; color:var(--beacon-hi);
  border-bottom:1px solid rgba(255,184,77,.32);
  padding-bottom:1px;
}

.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:40px; }

.btn{
  display:inline-flex; align-items:center; gap:9px;
  text-decoration:none; font-size:15px; font-weight:500;
  padding:13px 26px; border-radius:999px;
  border:1px solid transparent;
  transition:transform .2s var(--ease), background .25s var(--ease),
             border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn-primary{
  background:var(--beacon); color:#120B00; font-weight:600;
  box-shadow:0 6px 28px -8px rgba(255,184,77,.55);
}
.btn-primary:hover{ background:var(--beacon-hi); transform:translateY(-2px); }
.btn-ghost{ border-color:var(--line); color:var(--text-mid); }
.btn-ghost:hover{ border-color:rgba(255,184,77,.45); color:var(--text); transform:translateY(-2px); }

/* ───────────────────────── SECTIONS ───────────────────────── */

.section{
  position:relative;
  padding-block:clamp(84px,11vw,140px);
  border-top:1px solid var(--line-soft);
}
.section-alt{ background:var(--bg-alt); }

.section-head{ max-width:62ch; margin-bottom:clamp(44px,6vw,68px); }

.kicker{
  display:flex; align-items:center; gap:12px;
  font-family:var(--mono); font-size:11.5px; font-weight:400;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--muted); margin-bottom:20px;
}
.kicker-num{
  color:var(--beacon);
  padding-right:12px;
  border-right:1px solid var(--line);
}

.section h2{
  font-size:clamp(1.95rem, 4.4vw, 3rem);
  margin-bottom:20px;
}
.section-lede{
  font-size:clamp(1rem,1.6vw,1.13rem);
  color:var(--muted); line-height:1.68; max-width:56ch;
}

/* ── cards ── */

.grid{
  display:grid; gap:18px;
  grid-template-columns:1fr;
}
@media (min-width:720px){
  .grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }
}

.card{
  position:relative;
  background:linear-gradient(168deg, var(--surface) 0%, rgba(14,21,36,.55) 100%);
  border:1px solid var(--line);
  border-radius:16px;
  padding:34px 30px 32px;
  overflow:hidden;
  transition:border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}
.card::before{
  content:''; position:absolute; inset:0 auto auto 0;
  height:1px; width:100%;
  background:linear-gradient(90deg, rgba(255,184,77,0), rgba(255,184,77,.5), rgba(255,184,77,0));
  opacity:0; transition:opacity .35s var(--ease);
}
.card:hover{
  border-color:rgba(255,184,77,.26);
  background:linear-gradient(168deg, var(--surface-2) 0%, rgba(14,21,36,.6) 100%);
  transform:translateY(-3px);
}
.card:hover::before{ opacity:1; }

.card-idx{
  display:block;
  font-family:var(--mono); font-size:11px; letter-spacing:.2em;
  color:var(--beacon-dim); margin-bottom:20px;
}
.card h3{ font-size:1.19rem; margin-bottom:12px; letter-spacing:-.015em; }
.card p{ font-size:15px; color:var(--muted); line-height:1.68; }

/* ── rules list ── */

.rules{
  list-style:none; margin:0; padding:0;
  display:grid; gap:0;
  border-top:1px solid var(--line-soft);
}
.rule{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:clamp(20px,5vw,54px);
  padding-block:clamp(28px,4vw,38px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s var(--ease);
}
.rule:hover{ background:rgba(255,255,255,.014); }
.rule-num{
  font-family:var(--mono); font-size:12px; letter-spacing:.2em;
  color:var(--beacon); padding-top:6px;
}
.rule h3{
  font-size:clamp(1.2rem,2.4vw,1.5rem);
  margin-bottom:11px;
}
.rule p{
  color:var(--muted); font-size:15.5px; line-height:1.7; max-width:60ch;
}

/* ── studio ── */

.studio{
  display:grid; gap:clamp(36px,5vw,64px);
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  align-items:start;
}
@media (max-width:820px){ .studio{ grid-template-columns:1fr; } }

.studio-main p{
  color:var(--muted); font-size:1.03rem; line-height:1.72; max-width:56ch;
}
.studio-main p + p{ margin-top:18px; }

.studio-side{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:30px 28px;
}
.facts{ margin:0; display:grid; gap:22px; }
.facts div + div{ padding-top:22px; border-top:1px solid var(--line-soft); }
.facts dt{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.22em;
  text-transform:uppercase; color:var(--beacon-dim); margin-bottom:7px;
}
.facts dd{ margin:0; font-size:15px; color:var(--text-mid); line-height:1.55; }

/* ── contact ── */

.contact{
  position:relative; overflow:hidden; isolation:isolate;
  text-align:center;
  background:var(--bg-alt);
}
.beacon-glow{
  position:absolute; z-index:-1;
  bottom:-56%; left:50%; transform:translateX(-50%);
  width:min(1100px,150vw); aspect-ratio:1;
  background:radial-gradient(circle at 50% 50%,
      rgba(255,184,77,.15) 0%,
      rgba(255,184,77,.04) 38%,
      rgba(7,11,20,0) 66%);
  pointer-events:none;
}
.contact-inner{ display:flex; flex-direction:column; align-items:center; }
.contact .kicker{ justify-content:center; }
.contact .section-lede{ margin-inline:auto; }

.mailto{
  display:inline-flex; align-items:center; gap:12px;
  margin-top:38px;
  font-family:var(--mono); font-size:clamp(14px,2.6vw,18px);
  text-decoration:none; color:var(--text);
  padding:16px 30px; border-radius:999px;
  border:1px solid rgba(255,184,77,.32);
  background:rgba(255,184,77,.05);
  transition:background .25s var(--ease), border-color .25s var(--ease), transform .2s var(--ease);
  overflow-wrap:anywhere;
}
.mailto:hover{
  background:rgba(255,184,77,.12);
  border-color:rgba(255,184,77,.6);
  transform:translateY(-2px);
}
.mailto-dot{
  flex:0 0 auto;
  width:8px; height:8px; border-radius:50%;
  background:var(--beacon);
  box-shadow:0 0 10px 2px rgba(255,184,77,.55);
  animation:pulse 3.2s var(--ease) infinite;
}

/* ───────────────────────── FOOTER ───────────────────────── */

.foot{
  border-top:1px solid var(--line-soft);
  padding-block:34px;
  background:var(--bg);
}
.foot-inner{
  display:flex; flex-wrap:wrap; gap:14px;
  align-items:center; justify-content:space-between;
}
.foot-mark{
  display:inline-flex; align-items:center; gap:10px;
  font-size:14.5px; font-weight:500; color:var(--text-mid);
}
.foot-meta{ font-family:var(--mono); font-size:11.5px; color:var(--muted); letter-spacing:.03em; }

/* ───────────────────────── REVEAL ───────────────────────── */

/* Scoped to .js, which an inline script in <head> adds before first paint.
   Without JavaScript - blocked, failed, still loading - nothing is hidden and
   the page renders at rest. Never park content at opacity:0 unconditionally. */
.js .reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay:calc(var(--d,0) * 90ms);
}
.js .reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js .reveal{ opacity:1; transform:none; }
  .beam{ animation:none; }
}