/* ============================================================
   PHAROS — Base, chrome, atmosphere layers
   ============================================================ */

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

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--foam);
  font-family: var(--font-sans);
  font-size: var(--t-body);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--amber-haze); color: var(--amber-bright); }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1em; text-wrap: pretty; }

img, svg, canvas { display: block; max-width: 100%; }

/* ---------- Atmosphere stack (fixed, behind everything) ---------- */
.atmos {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.atmos__stars { position: absolute; inset: 0; }
.atmos__fog {
  position: absolute; inset: -20% -20% -20% -20%;
  background:
    radial-gradient(60% 50% at 20% 30%, rgba(143,163,179,0.06), transparent 70%),
    radial-gradient(50% 40% at 80% 60%, rgba(63,169,160,0.05), transparent 70%);
  filter: blur(40px);
  animation: fogDrift 46s linear infinite alternate;
}
@keyframes fogDrift {
  from { transform: translate3d(-3%, 1%, 0) scale(1.05); }
  to   { transform: translate3d(4%, -2%, 0) scale(1.15); }
}
.atmos__sea {
  position: absolute; left: -10%; right: -10%; bottom: 0; height: 38vh;
  background:
    linear-gradient(to top, var(--coast), transparent);
  opacity: 0.9;
}
.atmos__sea::after {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    to top, transparent 0 7px, rgba(232,238,242,0.018) 7px 8px);
  -webkit-mask-image: linear-gradient(to top, #000, transparent);
          mask-image: linear-gradient(to top, #000, transparent);
  animation: seaShimmer 9s ease-in-out infinite alternate;
}
@keyframes seaShimmer { from { opacity: 0.5; transform: translateY(2px);} to { opacity: 1; transform: translateY(-2px);} }

/* vignette + grain sit ABOVE content but below nav */
.veil {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
}
.veil__vignette {
  position: absolute; inset: 0;
  box-shadow: inset 0 0 280px 40px rgba(3,8,15,0.9);
  background: radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(3,8,15,0.55) 100%);
}
.veil__grain {
  position: absolute; inset: -50%;
  background-image: var(--grain-url);
  opacity: 0.05; mix-blend-mode: overlay;
  animation: grainShift 0.6s steps(3) infinite;
}
@keyframes grainShift {
  0%{transform:translate(0,0)} 33%{transform:translate(-2%,1%)} 66%{transform:translate(1%,-2%)} 100%{transform:translate(0,0)}
}

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--text { max-width: var(--maxw-text); }
main { position: relative; z-index: 1; }
section { position: relative; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex; align-items: center; gap: 0.8em;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--amber); opacity: 0.6;
}
.label {
  font-family: var(--font-mono);
  font-size: var(--t-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--dim);
}
.lead { font-size: var(--t-lead); color: var(--foam); line-height: 1.5; opacity: 0.92; }
.dim { color: var(--dim); }
.amber { color: var(--amber); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(6,13,23,0.78), rgba(6,13,23,0.18));
  border-bottom: 1px solid var(--hair-soft);
  transition: background var(--med) var(--ease), border-color var(--med);
}
.nav__inner { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__word { display: inline-flex; flex-direction: column; justify-content: center; line-height: 1; }
.brand__the {
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.46em;
  text-transform: uppercase; color: var(--amber); margin-bottom: 0.16em; padding-left: 0.14em;
}
.brand__main {
  font-family: var(--font-display); font-size: 1.42rem; line-height: 0.86;
  letter-spacing: 0.015em; color: var(--foam);
}
.nav__links { display: flex; align-items: center; gap: clamp(0.6rem, 2vw, 1.9rem); position: relative; }
.nav__link {
  font-size: var(--t-small); color: var(--dim); position: relative; padding: 0.4rem 0.1rem;
  letter-spacing: 0.02em; transition: color var(--fast) var(--ease); white-space: nowrap;
}
.nav__link:hover { color: var(--foam); }
.nav__link.is-active { color: var(--foam); }
.nav__underline {
  position: absolute; bottom: -2px; height: 1.5px; background: var(--amber);
  box-shadow: 0 0 10px var(--amber-glow);
  transition: left var(--med) var(--ease-out), width var(--med) var(--ease-out), opacity var(--fast);
  opacity: 0; pointer-events: none; border-radius: 2px;
}
.nav__cta {
  font-family: var(--font-sans); font-size: var(--t-small); white-space: nowrap;
  color: var(--ground); background: var(--amber); padding: 0.5rem 1.1rem;
  border-radius: var(--r-pill); letter-spacing: 0.02em; font-weight: 600;
  box-shadow: var(--bloom); transition: transform var(--fast) var(--ease), box-shadow var(--med);
}
.nav__cta:hover { transform: translateY(-1px); box-shadow: 0 0 50px -4px var(--amber-glow); }
.nav__burger { display: none; }

@media (max-width: 880px) {
  .nav__links { position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column;
    align-items: flex-start; gap: 0; padding: 1rem var(--gutter) 2rem;
    background: rgba(6,13,23,0.97); border-bottom: 1px solid var(--hair);
    transform: translateY(-120%); transition: transform var(--med) var(--ease); }
  .nav.is-open .nav__links { transform: translateY(0); }
  .nav__link { padding: 0.9rem 0; width: 100%; border-bottom: 1px solid var(--hair-soft); font-size: 1.05rem; }
  .nav__underline { display: none; }
  .nav__burger { display: flex; flex-direction: column; gap: 5px; background: none; border: 0;
    cursor: pointer; padding: 6px; }
  .nav__burger span { width: 22px; height: 1.5px; background: var(--foam); transition: var(--fast); }
  .nav.is-open .nav__burger span:nth-child(1){ transform: translateY(6.5px) rotate(45deg);}
  .nav.is-open .nav__burger span:nth-child(2){ opacity: 0;}
  .nav.is-open .nav__burger span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg);}
  .nav__cta { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem; white-space: nowrap;
  font-family: var(--font-sans); font-size: var(--t-small); font-weight: 600;
  letter-spacing: 0.02em; cursor: pointer; border: 0; border-radius: var(--r-pill);
  padding: 0.85rem 1.6rem; transition: transform var(--fast) var(--ease), box-shadow var(--med), background var(--med);
}
.btn--primary { background: var(--amber); color: var(--ground); box-shadow: var(--bloom); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 56px -2px var(--amber-glow); }
.btn--ghost { background: transparent; color: var(--foam); border: 1px solid var(--hair-strong); }
.btn--ghost:hover { border-color: var(--amber); color: var(--amber-bright); transform: translateY(-2px); }
.btn__dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }

/* ---------- Glass panel ---------- */
.panel {
  background: linear-gradient(160deg, var(--glass), var(--deepest));
  border: 1px solid var(--hair); border-radius: var(--r-lg);
  box-shadow: var(--lift-1);
}

/* ---------- Hairline rule ---------- */
.rule { height: 1px; background: var(--hair); border: 0; margin: 0; }
.rule--teal { background: linear-gradient(to right, transparent, var(--teal-dim), transparent); }

/* ---------- Footer ---------- */
.foot {
  position: relative; z-index: 1; background: var(--deepest);
  border-top: 1px solid var(--hair); padding: var(--s-6) 0 var(--s-4);
  margin-top: var(--s-7);
}
.foot__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s-4); }
.foot__brand { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1.1rem; }
.foot__tag { color: var(--dim); max-width: 32ch; font-size: var(--t-small); }
.foot__col h5 { font-family: var(--font-mono); font-size: var(--t-micro); letter-spacing: var(--track-label);
  text-transform: uppercase; color: var(--dimmer); margin: 0 0 1rem; font-weight: 400; }
.foot__col a { display: block; color: var(--dim); font-size: var(--t-small); padding: 0.32rem 0;
  transition: color var(--fast); }
.foot__col a:hover { color: var(--amber); }
.foot__base { display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  margin-top: var(--s-5); padding-top: var(--s-3); border-top: 1px solid var(--hair-soft);
  font-family: var(--font-mono); font-size: var(--t-micro); color: var(--dimmer); letter-spacing: 0.08em; }
@media (max-width: 760px){ .foot__grid{ grid-template-columns: 1fr 1fr; gap: var(--s-4) var(--s-3);} .foot__base{ flex-direction: column; align-items: flex-start;} }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity var(--slow) var(--ease-out), transform var(--slow) var(--ease-out); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-reveal="delay"] { transition-delay: 0.12s; }
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal]{ opacity:1; transform:none; }
}

/* ---------- Section framing ---------- */
.section { padding: var(--s-7) 0; }
.section--tight { padding: var(--s-6) 0; }
.section__head { max-width: 640px; margin-bottom: var(--s-5); }
.section__head .eyebrow { margin-bottom: 1.4rem; }
.section__head h2 { font-size: var(--t-h2); margin-bottom: 1rem; }

/* ---------- Tier color chips (Lumens ladder) ---------- */
.dot-amber { color: var(--amber); }

/* page intro band for inner pages */
.pagehead { padding: calc(var(--nav-h) + var(--s-6)) 0 var(--s-4); position: relative; }
.pagehead h1 { font-size: var(--t-h1); margin: 1.2rem 0 1rem; }
.pagehead .lead { max-width: 56ch; }