/* ===================================================================
   AEROSPACE — index.css (landing page only)
   Palette:
     --void #0a0a0c  --charcoal #17171b  --silver #c9ccd4
     --frost #eef1f6  --ice #8fc6ff  --ice-2 #5fa8ff  --line #3a3a41
   Glass tokens use CSS 4-digit shorthand hex (#RGBA) for translucency.
=================================================================== */

@font-face {
  font-family: "Mightyspidey";
  src: url("../assets/fonts/Mightyspidey-pmaa.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root{
  --void:#0a0a0c;
  --charcoal:#17171b;
  --silver:#c9ccd4;
  --frost:#eef1f6;
  --ice:#8fc6ff;
  --ice-2:#5fa8ff;
  --line:#3a3a41;

  /* 4-digit hex (#RGBA) glass tokens */
  --glass-fill:#fff2;
  --glass-fill-soft:#fff1;
  --glass-fill-strong:#fff3;
  --glass-border:#fff3;
  --glass-border-soft:#fff2;
  --glass-border-strong:#fff4;
  --shadow-deep:#0009;
  --ice-tint:#8cf5;

  --font-display:"Mightyspidey", "Inter", sans-serif;
  --font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:"Space Mono", ui-monospace, monospace;
  --font-serif:"Playfair Display", Georgia, serif;

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; overflow-x: hidden; width: 100%; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

body{
  margin:0;
  background: var(--void);
  color: var(--silver);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
::selection{ background: var(--ice-tint); color: var(--void); }
button{ font-family: inherit; }

/* grain so flat black doesn't look dead */
.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 3;
  opacity:.03; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* soft ambient starfield, pure CSS, cheap to render */
.starfield{
  position: fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, #ffffff55 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 80% 10%, #ffffff40 50%, transparent 51%),
    radial-gradient(1px 1px at 60% 35%, #ffffff50 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 30% 60%, #ffffff35 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 70%, #ffffff45 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 15% 85%, #ffffff30 50%, transparent 51%),
    radial-gradient(1px 1px at 45% 15%, #ffffff40 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 70% 90%, #ffffff35 50%, transparent 51%);
  background-repeat: repeat;
  background-size: 900px 900px;
  opacity:.6;
}

/* background ambient glow, fixed behind everything */
body::before{
  content:"";
  position: fixed; top:-20%; left:50%; transform: translateX(-50%);
  width: min(1400px, 100vw); height: 900px;
  background: radial-gradient(closest-side, #1a2a4a4d, transparent 70%);
  z-index: 0; pointer-events:none;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ice);
  margin: 0 0 .9rem;
}

/* ===================== NAV ===================== */
.nav{
  position: sticky; top:0; z-index: 40;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  background: #0a0a0cb0;
  border-bottom: 1px solid var(--glass-border-soft);
}
.nav-inner{
  max-width: 1180px; margin:0 auto;
  display:flex; align-items:center; justify-content: space-between;
  padding: .85rem 1.5rem;
}
.brand-mark{ height: 24px; width:auto; }
.nav-links{ display:flex; gap: 2.1rem; }
.nav-links a{
  font-size: .87rem; color: var(--silver); opacity:.75;
  position: relative;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px;
  background: var(--ice); transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav-links a:hover{ opacity:1; color: var(--frost); }
.nav-links a:hover::after{ transform: scaleX(1); }
.nav-cta{ padding: .55rem 1.15rem; font-size:.84rem; }

@media (max-width: 780px){ .nav-links{ display:none; } }

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  border-radius: 999px;
  padding: .78rem 1.5rem;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s var(--ease-spring), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn:active{ transform: scale(.95); }
.btn-solid{
  background: linear-gradient(180deg, #ffffff, #dfe4ee);
  color: var(--void);
  box-shadow: 0 8px 24px #ffffff22, inset 0 1px 0 #fff;
}
.btn-solid:hover{ transform: translateY(-1px); box-shadow: 0 12px 30px #ffffff33, inset 0 1px 0 #fff; }
.btn-ghost{
  background: var(--glass-fill);
  color: var(--frost);
  border-color: var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover{ background: var(--glass-fill-strong); border-color: var(--glass-border-strong); transform: translateY(-1px); }

/* ===================== HERO ===================== */
.hero{ position: relative; padding: 6.5rem 1.5rem 4rem; z-index: 1; }
.hero-glow{
  position:absolute; top: 6%; left:50%; transform: translateX(-50%);
  width: min(720px, 90vw); height: 380px; border-radius: 50%;
  background: radial-gradient(closest-side, var(--ice-tint), transparent 72%);
  filter: blur(24px);
  z-index:-1;
}
.hero-inner{ max-width: 1000px; margin: 0 auto; text-align:center; }
.hero-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3.2rem, 12vw, 7.5rem);
  letter-spacing: .03em;
  margin: 0 0 1.1rem;
  background: linear-gradient(180deg, var(--frost) 40%, #b9c6de 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 60px #8fc6ff2b;
}
.hero-sub{
  font-family: var(--font-serif);
  max-width: 580px; margin: 0 auto 3.2rem;
  font-size: 1.18rem; color: var(--silver); opacity:.88;
}

.hud-corner{
  position:absolute; width: 28px; height: 28px; z-index: 3;
  border-color: #cfe0ffd9; border-style: solid; border-width: 0;
  pointer-events:none;
}
.hud-corner.tl{ top:14px; left:14px; border-top-width:2px; border-left-width:2px; border-top-left-radius: 10px; }
.hud-corner.tr{ top:14px; right:14px; border-top-width:2px; border-right-width:2px; border-top-right-radius: 10px; }
.hud-corner.bl{ bottom:14px; left:14px; border-bottom-width:2px; border-left-width:2px; border-bottom-left-radius: 10px; }
.hud-corner.br{ bottom:14px; right:14px; border-bottom-width:2px; border-right-width:2px; border-bottom-right-radius: 10px; }

.agency-note{
  display:flex; align-items:center; gap: .9rem;
  max-width: 580px; margin: 3.2rem auto 0;
  padding: .95rem 1.3rem;
  border-radius: var(--radius-md);
  background: var(--glass-fill-soft);
  border: 1px solid var(--glass-border-soft);
  text-align:left;
}
.agency-badge{
  width: 46px; height:46px; flex-shrink:0;
  background: var(--frost);
  border-radius: 50%;
  padding: 5px;
  box-shadow: 0 4px 14px var(--shadow-deep);
}
.agency-note p{ font-family: var(--font-serif); font-size:.85rem; opacity:.68; margin:0; }

/* ===================== SECTIONS ===================== */
.section{ padding: 5.8rem 1.5rem; position: relative; z-index:1; }
.section-alt{ background: #ffffff05; border-top:1px solid var(--glass-border-soft); border-bottom:1px solid var(--glass-border-soft); }
.section-inner{ max-width: 1080px; margin:0 auto; text-align:center; }
.section-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  color: var(--frost);
  margin: 0 0 3.2rem;
  letter-spacing: .01em;
}

.card-row{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; text-align:left; }
.glass-card{
  background: linear-gradient(180deg, #ffffff0d, #ffffff05);
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(16px);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.glass-card:hover{ transform: translateY(-6px); border-color: var(--glass-border-strong); box-shadow: 0 24px 50px #0007; }
.card-icon{
  display:flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:12px;
  background: var(--ice-tint); margin-bottom:1.1rem;
}
.card-icon svg{ width:22px; height:22px; stroke: var(--frost); fill:none; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.glass-card h3{ font-family: var(--font-serif); color: var(--frost); font-size:1.28rem; font-weight:600; margin:0 0 .6rem; }
.glass-card p{ font-family: var(--font-serif); font-size:1rem; opacity:.78; margin:0; }

.steps{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; text-align:left; position:relative; }
.step{ position:relative; padding-top:.3rem; }
.step-num{
  font-family: var(--font-mono); font-size: 2.3rem; color: var(--ice); opacity:.55;
  display:block; margin-bottom:.5rem;
}
.step h3{ font-family: var(--font-serif); color: var(--frost); margin:.2rem 0 .5rem; font-size:1.22rem; font-weight:600; }
.step p{ font-family: var(--font-serif); font-size:1rem; opacity:.78; margin:0; }

.feature-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; text-align:left; }
.feature-tile{
  padding: 1.7rem; border-radius: var(--radius-md);
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-fill-soft);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.feature-tile:hover{ transform: translateY(-3px); border-color: var(--glass-border-strong); }
.feature-tile h3{ font-family: var(--font-serif); color: var(--frost); font-size: 1.15rem; font-weight:600; margin:0 0 .5rem; }
.feature-tile p{ font-family: var(--font-serif); font-size:.96rem; opacity:.75; margin:0; }

/* custom smooth FAQ accordion */
.faq-list{ max-width: 720px; margin: 0 auto; text-align:left; display:flex; flex-direction:column; gap:.7rem; }
.faq-item{
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-md);
  background: var(--glass-fill-soft);
  overflow:hidden;
}
.faq-q{
  width:100%; background:none; border:0; cursor:pointer;
  display:flex; align-items:center; justify-content:space-between;
  padding: 1.05rem 1.3rem; color: var(--frost); font-weight:600; font-size:.96rem;
  text-align:left;
}
.faq-icon{ position:relative; width:14px; height:14px; flex-shrink:0; margin-left:1rem; }
.faq-icon::before, .faq-icon::after{
  content:""; position:absolute; background: var(--ice); border-radius:2px;
  transition: transform .25s var(--ease);
}
.faq-icon::before{ width:14px; height:2px; top:6px; left:0; }
.faq-icon::after{ width:2px; height:14px; top:0; left:6px; }
.faq-item.open .faq-icon::after{ transform: rotate(90deg); opacity:0; }
.faq-a{
  display:grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease);
}
.faq-a > p{ font-family: var(--font-serif); overflow:hidden; margin:0; padding:0 1.3rem; font-size:.98rem; opacity:.78; }
.faq-item.open .faq-a{ grid-template-rows: 1fr; }
.faq-item.open .faq-a > p{ padding: 0 1.3rem 1.1rem; }
.faq-a > p::before{ content:""; display:block; height:0; }

@media (max-width: 860px){
  .card-row, .steps, .feature-grid{ grid-template-columns: 1fr; }
}

/* ===================== FOOTER ===================== */
.footer{ border-top: 1px solid var(--glass-border-soft); padding: 3rem 1.5rem 2rem; position: relative; z-index:1; }
.footer-inner{
  max-width: 1080px; margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
  flex-wrap: wrap; padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--glass-border-soft);
}
.footer-brand{ display:flex; align-items:center; gap:1rem; }
.footer-mark{ height:22px; width:auto; opacity:.9; }
.footer-brand p{ font-family: var(--font-serif); font-style: italic; font-size:.88rem; opacity:.62; margin:0; }
.footer-badge img{
  width:38px; height:38px; opacity:.95;
  background: var(--frost); border-radius:50%; padding:4px;
}

.footer-legal{
  max-width: 1080px; margin: 1.4rem auto 0;
  display:flex; gap: 1.4rem; flex-wrap:wrap;
  font-size:.78rem; opacity:.55;
}
.footer-legal p{ margin:0; }
.footer-copy{ margin-left:auto; }

@media (max-width: 560px){
  .footer-legal{ flex-direction:column; gap:.4rem; }
  .footer-copy{ margin-left:0; }
}

/* ===================== CTA + STATIC PREVIEW MOCKUP ===================== */
.cta-row{
  display:flex; align-items:center; justify-content:center; gap:1rem;
  flex-wrap:wrap; margin-bottom: 3.6rem;
}
.btn-cta{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: .02em;
  padding: 1rem 2.1rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffffff, #d9e2f2);
  color: var(--void);
  box-shadow: 0 14px 40px #8fc6ff33, inset 0 1px 0 #fff;
  display:inline-flex; align-items:center; gap:.6rem;
  transition: transform .2s var(--ease-spring), box-shadow .25s var(--ease);
}
.btn-cta:hover{ transform: translateY(-2px); box-shadow: 0 20px 50px #8fc6ff4d, inset 0 1px 0 #fff; }
.btn-cta:active{ transform: scale(.96); }
.btn-cta svg{ width:18px; height:18px; stroke: currentColor; fill:none; stroke-width:2.2; }
.btn-secondary-link{
  font-size:.9rem; color: var(--silver); opacity:.75; border-bottom: 1px solid #ffffff30;
  padding-bottom: 2px; transition: opacity .2s var(--ease), border-color .2s var(--ease);
}
.btn-secondary-link:hover{ opacity:1; border-color: var(--ice); }

.mockup{
  max-width: 860px; margin: 0 auto;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #ffffff10, #ffffff05);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow: 0 40px 90px var(--shadow-deep), inset 0 1px 0 #ffffff33;
  overflow:hidden;
  position:relative;
}
.mockup-scene{
  position:relative; width:100%; aspect-ratio: 16/9;
  background:
    radial-gradient(1.5px 1.5px at 20% 30%, #ffffff70 50%, transparent 51%),
    radial-gradient(1px 1px at 70% 20%, #ffffff55 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 40% 70%, #ffffff60 50%, transparent 51%),
    radial-gradient(1px 1px at 85% 65%, #ffffff50 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 55% 45%, #ffffff45 50%, transparent 51%),
    radial-gradient(closest-side, #16244a, #05060a 75%);
  display:flex; align-items:center; justify-content:center;
}
.mockup-orbit{
  width: min(340px, 60%); aspect-ratio: 1; border-radius:50%;
  border: 1px solid #8fc6ff55;
  position:relative;
  animation: spin 22s linear infinite;
}
.mockup-orbit::before{
  content:""; position:absolute; top:-5px; left: calc(50% - 5px);
  width:10px; height:10px; border-radius:50%;
  background: var(--ice); box-shadow: 0 0 18px 4px #8fc6ff99;
}
.mockup-planet{
  position:absolute; width:min(120px, 24%); aspect-ratio:1; border-radius:50%;
  background: radial-gradient(circle at 35% 32%, #d9e5ff 0%, #5f7aa8 45%, #1c2c4d 100%);
  box-shadow: 0 0 60px 10px #8fc6ff26;
}
@keyframes spin{ from{ transform: rotate(0); } to{ transform: rotate(360deg); } }
.mockup-hud{ position:absolute; inset:0; pointer-events:none; }
.mockup-hud .hud-corner{ border-color:#cfe0ffb0; }
.mockup-tag{
  position:absolute; top:16px; left:16px; z-index:3;
  font-family: var(--font-mono); font-size:.64rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--ice); background:#00000066; border:1px solid var(--glass-border-soft);
  padding:.3rem .7rem; border-radius:999px; backdrop-filter: blur(8px);
}
.mockup-strip{
  display:flex; gap: 1.5rem;
  padding: 1.05rem 1.4rem;
  border-top: 1px solid var(--glass-border-soft);
  background: #00000059;
  font-family: var(--font-mono);
}
.mockup-strip .hud-col{ display:flex; flex-direction:column; gap:.22rem; }
.mockup-strip .hud-label{ font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ice); opacity:.9; }
.mockup-strip .hud-value{ font-size:.82rem; color: var(--frost); }

@media (max-width: 560px){
  .mockup-planet{ display:none; }
}