/* ============================================================
   SKYEFIRE — ELEVATION LAYER
   Billion-dollar craft pass. ADDITIVE and loaded last.
   Preserves all heroes, brand colors, and existing structure.
   Goal: enterprise/investor-grade refinement — type rhythm,
   generous space, premium surfaces, restrained motion.
   ============================================================ */

:root {
  /* refined tokens layered on top of the base system */
  --e-ease: cubic-bezier(.16, 1, .3, 1);
  --e-ring: 0 0 0 1px rgba(194,203,214,0.10);
  --e-shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --e-shadow-md: 0 16px 40px -16px rgba(0,0,0,0.55);
  --e-shadow-lg: 0 32px 80px -28px rgba(0,0,0,0.70);
  --e-glow-cyan: 0 0 0 1px rgba(0,212,255,0.35), 0 18px 50px -18px rgba(0,170,255,0.35);
  --e-glow-magenta: 0 0 0 1px rgba(255,0,122,0.32), 0 18px 50px -18px rgba(138,46,255,0.35);
  /* tighter, more editorial body measure */
  --e-measure: 68ch;
}

/* ---------- Global typographic refinement ---------- */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.003em;
}
h1, h2, h3 { letter-spacing: -0.02em; text-wrap: balance; }
p { text-wrap: pretty; }
.section p, .section li { max-width: var(--e-measure); }

/* Headline gradients render crisper */
.gradient-text, .gradient-text--cyan, .gradient-text--magenta {
  -webkit-background-clip: text; background-clip: text;
  filter: saturate(1.05);
}

/* ---------- More generous, consistent section rhythm ---------- */
.section { padding-block: clamp(4.5rem, 9vw, 8.5rem); }
.section--tight { padding-block: clamp(3rem, 6vw, 5.5rem); }
.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.eyebrow {
  position: relative; padding-left: 2.4rem; opacity: .95;
}
.eyebrow::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 1.7rem; height: 1px; transform: translateY(-50%);
  background: currentColor; opacity: .55;
}

/* Subtle hairline divider available as a class */
.e-rule {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

/* ---------- Premium surface treatment for cards ---------- */
/* Targets the established card families across the site without
   changing their layout — just elevates depth, border, motion. */
.sf-product-card,
.sf-audience-card,
.sf-step,
.feature-card, .cap-card, .value-card, .role-card,
.atlas-card, .principle, .mission-card {
  transition: transform .5s var(--e-ease), box-shadow .5s var(--e-ease),
              border-color .5s var(--e-ease), background .5s var(--e-ease);
  will-change: transform;
}
.sf-product-card:hover,
.feature-card:hover, .cap-card:hover, .value-card:hover, .role-card:hover,
.atlas-card:hover, .mission-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--e-shadow-lg);
}

/* refined inner sheen on dark cards */
.sf-product-card, .feature-card, .cap-card, .atlas-card, .mission-card, .value-card {
  position: relative;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0) 38%);
  background-blend-mode: overlay;
}

/* ---------- Buttons: premium weight + motion ---------- */
.btn {
  transition: transform .35s var(--e-ease), box-shadow .35s var(--e-ease), filter .35s var(--e-ease);
  letter-spacing: 0.01em;
}
.btn--cyan { box-shadow: 0 10px 30px -12px rgba(0,170,255,0.55); }
.btn--magenta { box-shadow: 0 10px 30px -12px rgba(138,46,255,0.55); }
.btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn--cyan:hover { box-shadow: 0 16px 44px -14px rgba(0,170,255,0.7); }
.btn--magenta:hover { box-shadow: 0 16px 44px -14px rgba(138,46,255,0.7); }
.btn--ghost { backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

/* ---------- Header: refined glass on scroll ---------- */
.site-header {
  transition: background .4s var(--e-ease), backdrop-filter .4s var(--e-ease), border-color .4s var(--e-ease);
}
.site-header.is-scrolled,
.site-header[data-scrolled="true"] {
  background: rgba(5,8,22,0.72);
  backdrop-filter: saturate(1.4) blur(16px);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid var(--border);
}

/* ---------- Form fields: premium focus ---------- */
.field input, .field select, .field textarea {
  transition: border-color .25s var(--e-ease), box-shadow .25s var(--e-ease), background .25s var(--e-ease);
}

/* ---------- Footer polish ---------- */
.site-footer { position: relative; }
.site-footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
}

/* ---------- Refined scroll-reveal (works with existing .reveal) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    transition: opacity .9s var(--e-ease), transform .9s var(--e-ease);
  }
  /* staggered children when a container opts in */
  .e-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--e-ease), transform .8s var(--e-ease); }
  .e-stagger.in > *, .e-stagger > .in { opacity: 1; transform: none; }
  .e-stagger.in > *:nth-child(2) { transition-delay: .07s; }
  .e-stagger.in > *:nth-child(3) { transition-delay: .14s; }
  .e-stagger.in > *:nth-child(4) { transition-delay: .21s; }
  .e-stagger.in > *:nth-child(5) { transition-delay: .28s; }
}

/* ---------- Trust strip / proof scaffolding (optimistic, honest) ---------- */
.e-trust {
  display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center; justify-content: center;
  padding-block: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.e-trust__item { text-align: center; }
.e-trust__num {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); line-height: 1;
  background: var(--ent-gradient); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.e-trust__lbl {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-muted); margin-top: 0.5rem;
}

/* selection + scrollbar finishing touches */
::selection { background: rgba(138,46,255,0.35); color: #fff; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ---------- "Beta" tag on launch buttons ---------- */
.tag-beta {
  display: inline-block; margin-left: 0.5em;
  font-family: var(--font-mono); font-size: 0.62em; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.18em 0.5em; border-radius: 999px;
  background: rgba(255,255,255,0.18); color: inherit;
  vertical-align: middle; line-height: 1;
}

/* ============================================================
   LAYER SYSTEM — Consumer / Executive / Hybrid
   ============================================================ */
.layer-toggle {
  display: inline-flex; gap: 4px; padding: 5px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
  border-radius: 999px; border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.03);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.layer-toggle-wrap { display: flex; justify-content: center; }
.layer-toggle__btn {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  border: 0; cursor: pointer; background: transparent; color: var(--text-secondary);
  font-family: var(--font-body); padding: 0.6rem 1.4rem; border-radius: 999px;
  transition: background .35s var(--e-ease), color .35s var(--e-ease), box-shadow .35s var(--e-ease);
}
.layer-toggle__btn .layer-toggle__t { font-family: var(--font-head); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.01em; }
.layer-toggle__btn .layer-toggle__s { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: .7; }
.layer-toggle__btn:hover { color: var(--white); }
.layer-toggle__btn.is-active {
  color: #050816; background: var(--phoenix-gradient);
  box-shadow: 0 8px 24px -10px rgba(138,46,255,0.6);
}
.layer-toggle__btn.is-active .layer-toggle__s { opacity: .85; }
.layer-toggle__btn:focus-visible { outline: 2px solid var(--accent-cyan, #00CFFF); outline-offset: 3px; }

/* center the toggle */
[data-layer-toggle] { display: flex; justify-content: center; }

/* card de-emphasis (the "sub-conscious" smaller treatment) */
.sf-product-card { transition: opacity .5s var(--e-ease), transform .5s var(--e-ease), filter .5s var(--e-ease), box-shadow .5s var(--e-ease); }
.sf-product-card.is-dim {
  opacity: 0.5; filter: saturate(0.6); transform: scale(0.97);
}
.sf-product-card.is-dim:hover { opacity: 0.85; filter: none; transform: scale(0.985); }
.sf-product-card.is-dim::after {
  content: 'Other edition'; position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); border: 1px solid var(--border); border-radius: 999px; padding: 0.2em 0.6em;
}
@media (prefers-reduced-motion: reduce) {
  .sf-product-card.is-dim { transform: none; }
}

/* ---- First-visit choice prompt ---- */
.layer-prompt {
  position: fixed; inset: 0; z-index: 4000;
  display: grid; place-items: center; padding: 1.5rem;
  background: rgba(3,5,14,0.78); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden; transition: opacity .35s var(--e-ease), visibility .35s var(--e-ease);
}
.layer-prompt.is-open { opacity: 1; visibility: visible; }
.layer-prompt__card {
  width: min(560px, 100%); text-align: center;
  background: linear-gradient(180deg, #0c1024, #070a16);
  border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.2rem); box-shadow: var(--e-shadow-lg);
  transform: translateY(16px) scale(0.98); transition: transform .4s var(--e-ease);
}
.layer-prompt.is-open .layer-prompt__card { transform: none; }
.layer-prompt__eyebrow { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent-cyan, #00CFFF); }
.layer-prompt__title { font-family: var(--font-head); font-size: clamp(1.4rem, 3.5vw, 2rem); margin: 0.6rem 0 0.4rem; letter-spacing: -0.01em; }
.layer-prompt__sub { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1.6rem; }
.layer-prompt__opts { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.layer-prompt__opt {
  display: flex; flex-direction: column; gap: 0.25rem; cursor: pointer;
  padding: 1.2rem 1rem; border-radius: var(--radius); text-align: left;
  border: 1px solid var(--border-strong); background: rgba(255,255,255,0.03); color: var(--white);
  transition: border-color .25s var(--e-ease), background .25s var(--e-ease), transform .25s var(--e-ease);
}
.layer-prompt__opt:hover { transform: translateY(-3px); border-color: var(--accent-cyan, #00CFFF); background: rgba(0,207,255,0.08); }
.layer-prompt__opt .lp-t { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; }
.layer-prompt__opt .lp-s { font-size: 0.82rem; color: var(--text-secondary); }
.layer-prompt__skip {
  margin-top: 1.3rem; border: 0; background: transparent; cursor: pointer;
  color: var(--text-muted); font-family: var(--font-body); font-size: 0.88rem; text-decoration: underline;
}
.layer-prompt__skip:hover { color: var(--white); }
@media (max-width: 480px) { .layer-prompt__opts { grid-template-columns: 1fr; } }