/* =========================================================
   Theta Mountain — single-page placeholder
   ========================================================= */

:root {
  --bg:        #080616;
  --bg-soft:   #0e0c2a;
  --ink:       #e8eef7;
  --ink-dim:   #9c9dca;
  --ink-faint: #5b5d8a;
  --line:      rgba(232, 238, 247, 0.08);
  --line-2:    rgba(232, 238, 247, 0.14);

  --primary:   #2f2fe4;   /* electric royal */
  --primary-2: #6f6efb;   /* lighter electric — UI / icons / hover */
  --deep:      #162e93;   /* deep navy */
  --abyss:     #1a1953;   /* darkest navy */

  --serif:    "EB Garamond", "Garamond", "Adobe Garamond Pro", "Times New Roman", serif;
  --sans:     "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:     "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max:      1200px;

  --ease:     cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

/* ============ ambient ============ */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .045;
  mix-blend-mode: overlay;
  background-image:
    radial-gradient(rgba(255,255,255,.7) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 1px;
}
.glow {
  position: fixed;
  width: 70vmin; height: 70vmin;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: .35;
}
.glow--a { top: -10vmin; left: -15vmin; background: radial-gradient(circle, rgba(47, 47, 228,.35), transparent 60%); }
.glow--b { bottom: -25vmin; right: -20vmin; background: radial-gradient(circle, rgba(22, 46, 147,.45), transparent 60%); }

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  transition: background .35s var(--ease), backdrop-filter .35s var(--ease), border-color .35s var(--ease), padding .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(8, 6, 22, 0.7);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
  padding: 12px 32px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: .01em;
  font-size: 18px;
}
.nav__mark { width: 22px; height: 22px; color: var(--primary-2); }
.nav__word { white-space: nowrap; }
.nav__links {
  display: flex; gap: 28px;
  font-size: 14px;
  color: var(--ink-dim);
}
.nav__links a {
  position: relative;
  padding: 6px 2px;
  transition: color .25s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--primary-2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav__links a:hover::after { transform: scaleX(1); }
.nav__cta { font-size: 14px; }

@media (max-width: 760px) {
  .nav { padding: 14px 18px; }
  .nav.is-scrolled { padding: 10px 18px; }
  .nav__links { display: none; }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .35s var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn--primary {
  background: var(--ink);
  color: var(--bg);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 10px 30px -10px rgba(47, 47, 228,.45);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 16px 40px -10px rgba(47, 47, 228,.6);
}
.btn--ghost {
  color: var(--ink);
  border-color: var(--line-2);
  background: rgba(255,255,255,.02);
}
.btn--ghost:hover {
  border-color: var(--primary-2);
  color: var(--primary-2);
}
.btn--link {
  color: var(--ink-dim);
  padding: 12px 4px;
}
.btn--link:hover { color: var(--ink); }
.btn--lg { padding: 16px 26px; font-size: 15px; }

/* ============ TYPE ============ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 28px;
}
.eyebrow .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary-2); box-shadow: 0 0 0 4px rgba(47, 47, 228,.15);
}
.h1, .h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.015em;
  margin: 0;
}
.h1 { font-size: clamp(40px, 6vw, 76px); line-height: 1.04; }
.h2 { font-size: clamp(34px, 4.4vw, 56px); line-height: 1.08; margin-bottom: 28px; }
.grad {
  background: linear-gradient(100deg, var(--primary) 0%, var(--primary-2) 45%, #d8d6ff 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.prose, .prose-p {
  max-width: 60ch;
  color: var(--ink-dim);
  font-size: 18px;
  line-height: 1.7;
}
.prose p { margin: 0 0 18px; }
.prose em, .prose-p em { color: var(--ink); font-style: italic; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 760px) { .wrap { padding: 0 22px; } }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 32px 120px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero__inner {
  position: relative; z-index: 3;
  width: 100%; max-width: var(--max);
  margin: 0 auto;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 8.5vw, 116px);
  line-height: .98;
  letter-spacing: -.025em;
  margin: 12px 0 28px;
}
.hero__sub {
  max-width: 56ch;
  color: var(--ink-dim);
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.6;
  margin: 0 0 36px;
}
.hero__ctas {
  display: flex; gap: 18px; align-items: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
}
.hero__stats {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 220px));
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  max-width: 760px;
}
.hero__stats li { display: flex; flex-direction: column; gap: 6px; }
.hero__stats .num {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 36px);
  letter-spacing: -.02em;
  color: var(--ink);
}
.hero__stats .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
@media (max-width: 640px) {
  .hero__stats { grid-template-columns: 1fr 1fr; }
}

/* ---------- video background ---------- */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #050410;
  pointer-events: none;
}
.hv {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05) brightness(0.55) saturate(0);
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 500ms ease-out;
  will-change: opacity, transform;
}
.hv.is-active {
  opacity: 1;
  animation: heroKen 8s linear forwards;
}
@keyframes heroKen {
  0%   { transform: scale(1.04); }
  100% { transform: scale(1.12); }
}

.hero__vignette {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 6, 22,0) 30%, rgba(8, 6, 22,.55) 75%, rgba(8, 6, 22,1) 100%),
    linear-gradient(90deg, rgba(8, 6, 22,.78) 0%, rgba(8, 6, 22,.4) 45%, rgba(8, 6, 22,.1) 100%),
    radial-gradient(60% 80% at 18% 65%, rgba(47, 47, 228,.18), transparent 70%),
    radial-gradient(50% 70% at 90% 10%, rgba(22, 46, 147,.22), transparent 70%);
  pointer-events: none;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(232,238,247,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,238,247,.05) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  opacity: .6;
  pointer-events: none;
}

.theta-float {
  position: absolute;
  top: 22%;
  right: 8%;
  font-family: var(--serif);
  font-size: clamp(120px, 22vw, 280px);
  font-weight: 300;
  line-height: 1;
  background: linear-gradient(180deg, rgba(47, 47, 228,.55), rgba(47, 47, 228,0));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  user-select: none;
  filter: drop-shadow(0 6px 30px rgba(47, 47, 228,.18));
  z-index: 2;
  animation: float 9s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0) rotate(-3deg); }
  50%     { transform: translateY(-14px) rotate(-1deg); }
}
@media (max-width: 760px) {
  .theta-float { right: -4%; top: 8%; opacity: .55; }
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  width: 22px; height: 36px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  z-index: 5;
}
.hero__scroll span {
  position: absolute;
  top: 6px; left: 50%;
  width: 2px; height: 6px;
  background: var(--primary-2);
  transform: translateX(-50%);
  border-radius: 2px;
  animation: scrollHint 2s ease-in-out infinite;
}
@keyframes scrollHint {
  0% { opacity: 0; transform: translate(-50%, 0); }
  35% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 14px); }
}

/* ============ SECTIONS ============ */
.section {
  position: relative;
  padding: 140px 0;
  z-index: 3;
}
.section + .section { padding-top: 100px; }
.section--philosophy { padding-top: 180px; }

@media (max-width: 760px) {
  .section { padding: 90px 0; }
  .section--philosophy { padding-top: 110px; }
}

/* ============ STRATEGY CARDS ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 48px;
}
.card {
  position: relative;
  padding: 32px 28px 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0) 60%),
    rgba(255,255,255,.012);
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(47, 47, 228,.4), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
}
.card:hover::before { opacity: 1; }
.card__num {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--primary-2);
  letter-spacing: .05em;
  margin-bottom: 18px;
}
.card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -.01em;
  margin: 0 0 12px;
  color: var(--ink);
}
.card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 15.5px;
  line-height: 1.65;
}
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
}

/* ============ DECAY ============ */
.section--decay {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(47, 47, 228,.025), transparent 60%);
}
.decay {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) {
  .decay { grid-template-columns: 1fr; }
}
.decay__copy .h2 { margin-bottom: 24px; }
.legend {
  list-style: none; padding: 0; margin: 28px 0 0;
  display: flex; flex-direction: column; gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.legend li { display: inline-flex; align-items: center; gap: 12px; }
.sw { width: 22px; height: 8px; border-radius: 4px; }
.sw--curve { background: var(--primary-2); }
.sw--zone  { background: linear-gradient(180deg, rgba(232,238,247,.75), rgba(232,238,247,.1)); }

.curve { width: 100%; height: auto; }
.curve .grid line { stroke: var(--line); }
.curve .axis { stroke: var(--line-2); }
.curve .ax-lbl {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink-faint);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.curve .zone-edge {
  stroke: rgba(232,238,247,.35);
  stroke-dasharray: 2 4;
}
.curve__line {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  filter: drop-shadow(0 0 10px rgba(47, 47, 228,.35));
}
.curve__area { opacity: 0; transition: opacity 1.4s var(--ease) .4s; }
.is-visible .curve__line { animation: drawCurve 1.8s var(--ease) forwards; }
.is-visible .curve__area { opacity: 1; }
@keyframes drawCurve { to { stroke-dashoffset: 0; } }

/* ============ STEPS ============ */
.steps {
  list-style: none; padding: 0; margin: 56px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.steps li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: padding .4s var(--ease), background .4s var(--ease);
}
.steps li:hover { padding-left: 12px; background: rgba(255,255,255,.012); }
.steps__k {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.steps li p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 17px;
  line-height: 1.6;
  max-width: 60ch;
}
@media (max-width: 760px) {
  .steps li { grid-template-columns: 1fr; gap: 6px; }
}

/* ============ CTA ============ */
.section--cta {
  text-align: center;
  padding: 180px 0 160px;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(47, 47, 228,.16), transparent 60%),
    radial-gradient(40% 40% at 50% 100%, rgba(22, 46, 147,.28), transparent 60%);
}
.cta { max-width: 820px; margin: 0 auto; }
.cta .h1 { margin-bottom: 24px; }
.cta .prose-p { margin: 0 auto 36px; color: var(--ink-dim); }
.fineprint {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ============ FOOTER ============ */
.foot {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  position: relative;
  z-index: 3;
}
.foot__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.foot__brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--serif);
  color: var(--ink);
}
.foot__brand svg { width: 20px; height: 20px; color: var(--primary-2); }
.foot__meta { color: var(--ink-faint); font-size: 13px; margin: 0; }

/* ============ REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity .9s var(--ease),
    transform .9s var(--ease);
  transition-delay: var(--rd, 0ms);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .curve__line { stroke-dashoffset: 0 !important; }
  .curve__area { opacity: 1 !important; }
}