/* site.css — page-local layout only. Visual language from DS tokens.
   Immersive build: one persistent full-bleed 3D world behind everything,
   art-directed sections + legibility scrims layered on top, cinematic loader. */

/* ── Persistent full-bleed 3D world ───────────────────────────────────────
   Fixed behind all content. The dark page bg + grid + grain stay on top of it. */
#living-bg{
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: -1;            /* behind #app, above the body background paint */
  pointer-events: none;
  display: block;
}

/* ── Global legibility vignette ───────────────────────────────────────────
   Darkens the edges so bright bloom never pushes into text margins. Sits above
   the 3D bg but below all content. Subtle — it must not flatten the world. */
body::before{
  content:""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 50%, transparent 38%, rgba(8,10,10,.55) 100%),
    linear-gradient(180deg, rgba(8,10,10,.42) 0%, transparent 22%, transparent 78%, rgba(8,10,10,.5) 100%);
}

/* App sits above the world + vignette. */
#app{ position: relative; z-index: 1; }

/* ── Cinematic loader ─────────────────────────────────────────────────────── */
#loader{
  position: fixed; inset: 0; z-index: 10000;            /* above grain (9999) + everything */
  display: grid; place-items: center;
  background-color: #060808;                             /* near-black overlay */
  transition: opacity .8s ease, visibility .8s ease;
}
#loader.is-hidden{ opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner{ display: flex; flex-direction: column; align-items: center; gap: 1.4rem; }
.loader-mark{
  font-family: var(--ds-font-display); font-weight: 900;
  font-size: clamp(2.2rem, 7vw, 4.5rem); letter-spacing: .18em;
  color: var(--ds-text); padding-left: .18em;            /* optical centering for tracked caps */
  opacity: .96;
}
.loader-bar{
  position: relative; width: clamp(120px, 22vw, 220px); height: 1px;
  background: var(--ds-line); overflow: hidden;
}
.loader-fill{
  position: absolute; inset: 0; transform-origin: left; transform: scaleX(0);
  background: var(--ds-accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--ds-accent) 70%, transparent);
}
/* armed = fill the line over ~1.4s (cubic ease-out) */
#loader.is-armed .loader-fill{ animation: loader-fill 1.4s cubic-bezier(.22,.7,.2,1) forwards; }
@keyframes loader-fill{ from{ transform: scaleX(0) } to{ transform: scaleX(1) } }

/* ── Section scrim (legibility panel behind copy) ─────────────────────────
   Each section's inner content gets a faint dark gradient column so body text
   keeps WCAG-AA contrast over the brightest bloom. Anchored left for rhythm. */
.act-inner, .hero-inner{
  position: relative;
  max-width: 62ch;
  padding: clamp(28px, 4vw, 48px) clamp(22px, 3vw, 40px);
  margin-inline: 0;
}
.act-inner::before, .hero-inner::before{
  content:""; position: absolute; inset: -6% -8%; z-index: -1; pointer-events: none;
  background: radial-gradient(125% 105% at 18% 50%,
    rgba(6,9,9,.9) 0%, rgba(6,9,9,.82) 38%, rgba(6,9,9,.5) 64%, rgba(6,9,9,.16) 84%, transparent 100%);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  border-radius: 18px;
}
/* Right-aligned acts → mirror the scrim + push content to the right for cadence. */
.act--right .act-inner{ margin-left: auto; }
.act--right .act-inner::before{
  background: radial-gradient(125% 105% at 82% 50%,
    rgba(6,9,9,.9) 0%, rgba(6,9,9,.82) 38%, rgba(6,9,9,.5) 64%, rgba(6,9,9,.16) 84%, transparent 100%);
}

/* ── Hero (Act 1) ─────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-inner{ display: flex; flex-direction: column; gap: 1.5rem; max-width: 56ch; }

.scroll-cue {
  margin-top: 1.4rem;
  font-family: var(--ds-font-mono);
  font-size: var(--ds-step--1);
  color: var(--ds-text-dim);
  text-decoration: none;
  letter-spacing: .1em;
  transition: color .25s ease;
}
.scroll-cue:hover{ color: var(--ds-accent); }

/* ── Act (shared) — tightened rhythm so the journey reads continuous ──────── */
.act { padding: clamp(56px, 11vh, 120px) 0; position: relative; }
/* The living text-moment breathes a little more (pure type over the world). */
.living { min-height: 92svh; display: flex; align-items: center; }
.act-h { font-size: clamp(2rem, 5vw, 3.4rem); margin-block: .2rem 0; }
.act-inner > .ds-lede{ margin-top: 1rem; }

.proof-case-h{ font-family: var(--ds-font-display); font-size: 1.6rem; margin: .6rem 0; }

/* ── Act 3–5: Proof / Offer / How ─────────────────────────────── */
.offer-compare{display:flex;align-items:center;gap:clamp(16px,4vw,48px);margin:2.2rem 0;flex-wrap:wrap}
.oc-col{display:flex;flex-direction:column;gap:.3rem;border:1px solid var(--ds-line);border-radius:var(--ds-radius);padding:clamp(20px,3vw,32px);background:color-mix(in srgb,var(--ds-surface) 72%,transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.oc-k{color:var(--ds-text-dim);letter-spacing:.1em}
.oc-new{border-color:var(--ds-accent);box-shadow:0 0 0 1px color-mix(in srgb,var(--ds-accent) 30%,transparent),0 18px 48px -22px color-mix(in srgb,var(--ds-accent) 45%,transparent)}
.oc-v{font-family:var(--ds-font-display-en);font-size:clamp(2rem,4vw,3rem)}
.oc-old .oc-v{color:var(--ds-text-dim);text-decoration:line-through}
.oc-sub{font-size:var(--ds-step--1);color:var(--ds-text-dim)}
.oc-arrow{font-size:2rem;color:var(--ds-accent)}
.pipeline{list-style:none;display:grid;gap:1rem;margin-top:2rem}
.pipeline li{border-left:2px solid var(--ds-accent);padding:.6rem 1rem;font-size:var(--ds-step-0)}
.pipeline .mono{color:var(--ds-accent);margin-right:.8rem}

/* .act reveals are driven by GSAP on scroll; default VISIBLE so they never vanish
   if JS or the GSAP CDN fails, and to avoid double-animating with the base load anim. */
.act .ds-reveal{animation:none;opacity:1;transform:none}

/* ── Act 6: Contact ─────────────────────────────────────────────── */
.contact-form{display:grid;gap:1rem;max-width:520px;margin-top:2rem}
.contact-form input,.contact-form textarea{
  font-family:var(--ds-font-body);font-size:var(--ds-step-0);color:var(--ds-text);
  background:color-mix(in srgb,var(--ds-surface) 82%,transparent);border:1px solid var(--ds-line);border-radius:var(--ds-radius);
  padding:.9rem 1rem;width:100%}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--ds-accent)}
.contact-form textarea{resize:vertical}
.form-status{min-height:1.2em;color:var(--ds-text-dim)}

/* ── Reduced motion: loader gone instantly, no fill animation ─────────────── */
@media (prefers-reduced-motion: reduce){
  #loader{ display: none !important; }
  #loader .loader-fill{ animation: none !important; transform: scaleX(1) }
}

/* ════════════════════════════════════════════════════════════════════════════
   CHROME POLISH — nav / cursor / magnetic / scroll-progress / footer / 404
   ════════════════════════════════════════════════════════════════════════════ */

/* ── ::selection ─────────────────────────────────────────────────────────── */
::selection { background: var(--ds-accent); color: var(--ds-accent-ink, #04110F); }

/* ── Fixed navigation header ─────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; inset-inline: 0;
  z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 48px);
  height: 64px;
  transition: background .35s ease, backdrop-filter .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.site-nav.is-scrolled {
  background: color-mix(in srgb, var(--ds-surface) 78%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom-color: var(--ds-line);
}

/* Wordmark */
.nav-wordmark {
  font-family: var(--ds-font-display); font-weight: 900;
  font-size: 1.25rem; letter-spacing: .18em;
  color: var(--ds-text); text-decoration: none;
  transition: color .2s;
}
.nav-wordmark:hover { color: var(--ds-accent); }

/* Desktop nav links */
.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a:not(.ds-btn) {
  font-family: var(--ds-font-mono); font-size: var(--ds-step--1);
  letter-spacing: .12em; color: var(--ds-text-dim);
  text-decoration: none; position: relative;
  transition: color .2s;
}
.nav-links a:not(.ds-btn)::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 100%;
  height: 1px; background: var(--ds-accent);
  transition: right .25s cubic-bezier(.4,0,.2,1);
}
.nav-links a:not(.ds-btn):hover { color: var(--ds-text); }
.nav-links a:not(.ds-btn):hover::after { right: 0; }

/* Primary CTA — smaller variant */
.nav-cta.ds-btn {
  padding: .55rem 1.1rem; font-size: .85rem;
}

/* Hamburger button — mobile only */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 8px;
  background: none; border: none; cursor: pointer;
  border-radius: var(--ds-radius);
  transition: background .2s;
}
.nav-hamburger:hover { background: color-mix(in srgb, var(--ds-text) 8%, transparent); }
.nav-hamburger span {
  display: block; width: 100%; height: 1.5px;
  background: var(--ds-text);
  transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .3s;
  transform-origin: center;
}
/* Open state — X icon */
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 999;
  background: color-mix(in srgb, var(--ds-bg) 96%, transparent);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 2.4rem;
  opacity: 0; transition: opacity .3s ease;
}
.nav-overlay.is-open {
  opacity: 1;
}
.nav-overlay-links {
  display: flex; flex-direction: column; align-items: center; gap: 2rem;
}
.nav-overlay-links a:not(.ds-btn) {
  font-family: var(--ds-font-display); font-weight: 900;
  font-size: clamp(1.8rem, 6vw, 2.8rem);
  color: var(--ds-text); text-decoration: none;
  transition: color .2s;
}
.nav-overlay-links a:not(.ds-btn):hover { color: var(--ds-accent); }

/* Focus styles — nav */
.site-nav a:focus-visible,
.nav-hamburger:focus-visible,
.nav-overlay a:focus-visible {
  outline: 2px solid var(--ds-accent); outline-offset: 3px; border-radius: 2px;
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-overlay { display: flex; }
  /* Ensure 3D bg is behind overlay */
  #living-bg { z-index: -1; }
}

/* ── Scroll progress bar ─────────────────────────────────────────────────── */
#scroll-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 2000;
  width: 0%; opacity: 0;
  background: var(--ds-accent);
  box-shadow: 0 0 8px color-mix(in srgb, var(--ds-accent) 70%, transparent);
  pointer-events: none;
  transition: opacity .3s;
  /* No motion restriction needed — width change is non-animated, smooth via JS */
}

/* ── Custom cursor ────────────────────────────────────────────────────────── */
.c-ring, .c-dot, .c-trail {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  border-radius: 50%;
  mix-blend-mode: difference;      /* invert whatever is behind → always visible */
  opacity: 0;
  will-change: transform;
  transition: opacity .3s ease,
              width .28s cubic-bezier(.2,.9,.2,1),
              height .28s cubic-bezier(.2,.9,.2,1),
              background .25s, border-color .25s;
}
body.cursor-vis .c-ring, body.cursor-vis .c-dot { opacity: 1; }
body.cursor-vis .c-trail { opacity: .45; }
.c-dot   { width: 9px;  height: 9px;  background: #fff; }
.c-ring  { width: 42px; height: 42px; border: 2px solid #fff; }
.c-trail { width: 66px; height: 66px; border: 1px solid #fff; }
.c-ring.is-active  { width: 72px;  height: 72px;  background: rgba(255,255,255,.55); border-color: transparent; }
.c-trail.is-active { width: 104px; height: 104px; }
/* hide native cursor everywhere while the custom one is active */
body.cursor-on, body.cursor-on * { cursor: none !important; }
/* No custom cursor on touch / reduced-motion (JS also skips init) */
@media (prefers-reduced-motion: reduce) { .c-ring, .c-dot, .c-trail { display: none !important; } }
@media (hover: none), (pointer: coarse)  { .c-ring, .c-dot, .c-trail { display: none !important; } }

/* ── Magnetic primary buttons ────────────────────────────────────────────── */
@media (pointer: fine) {
  .ds-btn--primary {
    transition: transform .2s cubic-bezier(.2,.8,.2,1),
                box-shadow .2s,
                background .2s,
                color .2s;
  }
  /* JS adds data-mag for magnetic effect; CSS handles scale + glow */
  .ds-btn--primary:hover {
    transform: translateY(-2px) scale(1.03);
  }
}

/* ── Nav link animated underline (footer + content links) ───────────────── */
.footer-nav a, .nav-overlay-links a:not(.ds-btn) {
  position: relative;
}
/* footer-nav gets the same grow-from-left underline */
.footer-nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 100%;
  height: 1px; background: var(--ds-accent);
  transition: right .25s cubic-bezier(.4,0,.2,1);
}
.footer-nav a:hover::after { right: 0; }

/* ── Designed footer ─────────────────────────────────────────────────────── */
.site-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--ds-line);
  background: color-mix(in srgb, var(--ds-surface) 80%, transparent);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  padding: clamp(56px, 10vh, 96px) 0 clamp(32px, 5vh, 48px);
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 2rem; text-align: center;
}
.footer-tagline {
  font-family: var(--ds-font-display); font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 3.4rem);
  line-height: 1.1; letter-spacing: .02em;
  color: var(--ds-text);
}
.footer-cta { margin-top: .4rem; }
.footer-nav {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: .5rem 2rem;
  margin-top: .8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--ds-line-soft);
  width: 100%;
}
.footer-nav a {
  font-family: var(--ds-font-mono); font-size: var(--ds-step--1);
  letter-spacing: .12em; color: var(--ds-text-dim);
  text-decoration: none; transition: color .2s;
}
.footer-nav a:hover { color: var(--ds-text); }
.footer-nav a:focus-visible {
  outline: 2px solid var(--ds-accent); outline-offset: 3px; border-radius: 2px;
}
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: .5rem 2rem;
  width: 100%;
  padding-top: 1.2rem;
  border-top: 1px solid var(--ds-line-soft);
}
.footer-copy {
  font-family: var(--ds-font-mono); font-size: var(--ds-step--1);
  color: var(--ds-text-dim); letter-spacing: .1em;
}
.footer-meta {
  font-size: var(--ds-step--1);
  color: color-mix(in srgb, var(--ds-text-dim) 70%, transparent);
  letter-spacing: .06em;
}

/* Ensure main content clears the fixed nav */
#app { padding-top: 64px; }
/* But hero should sit behind the transparent nav — let it overlap */
.hero { margin-top: -64px; padding-top: 64px; }