/* =============================================
   AST — Shared Stylesheet
   Light mode default · Dark mode via [data-theme="dark"]
   ============================================= */

/* 1. THEME VARIABLES */
:root {
  /* Light mode (default) */
  --bg:        #f6f5f1;
  --bg-2:      #ffffff;
  --primary:   #1c1c2e;
  --secondary: #090914;
  --muted:     rgba(28,28,46,.45);
  --accent:    #c4952a;
  --accent-lo: rgba(196,149,42,.1);
  --accent-glow: rgba(196,149,42,.28);
  --surface:   rgba(0,0,0,.04);
  --surface-b: rgba(0,0,0,.07);
  --gold-b:    rgba(196,149,42,.18);
  --nav-bg:    rgba(246,245,241,.94);
  --nav-border:rgba(0,0,0,.08);
  --card-border:rgba(0,0,0,.07);
  --divider:   rgba(0,0,0,.08);
  --pat1:      rgba(196,149,42,.025);
  --pat2:      rgba(0,0,0,.015);
  --font:      'Montserrat', sans-serif;
  --r:         12px;
  --tr:        .32s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg:        #09090e;
  --bg-2:      #0e0f18;
  --primary:   #ededea;
  --secondary: #ffffff;
  --muted:     rgba(237,237,234,.45);
  --accent:    #d2a741;
  --accent-lo: rgba(210,167,65,.1);
  --accent-glow: rgba(210,167,65,.28);
  --surface:   rgba(255,255,255,.04);
  --surface-b: rgba(255,255,255,.08);
  --gold-b:    rgba(210,167,65,.18);
  --nav-bg:    rgba(9,9,14,.94);
  --nav-border:rgba(255,255,255,.06);
  --card-border:rgba(255,255,255,.05);
  --divider:   rgba(255,255,255,.07);
  --pat1:      rgba(210,167,65,.02);
  --pat2:      rgba(255,255,255,.012);
}

/* 2. RESET */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }
html { scroll-behavior:smooth }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--primary);
  overflow-x: hidden;
  cursor: none;
  transition: background var(--tr), color var(--tr);
}
a { text-decoration:none; color:inherit }
ul { list-style:none }
img { display:block; max-width:100% }
button { font-family:var(--font); cursor:none; border:none; background:none }
input, select, textarea { font-family:var(--font) }

/* 3. BACKGROUND PATTERN */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(-55deg,transparent 0,transparent 48px,var(--pat1) 48px,var(--pat1) 49px),
    repeating-linear-gradient(35deg,transparent 0,transparent 88px,var(--pat2) 88px,var(--pat2) 89px);
}

/* 4. CUSTOM CURSOR */
.cursor {
  position: fixed;
  width: 28px; height: 28px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform .15s ease, width .22s, height .22s, background .22s, box-shadow .22s;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 8px var(--accent-glow);
}
.cursor-dot {
  position: fixed;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 6px var(--accent);
}
.cursor.expand { width: 44px; height: 44px; background: var(--accent-lo); box-shadow: 0 0 16px var(--accent-glow) }
@media(hover:none) { .cursor,.cursor-dot { display:none } body { cursor:auto } }

/* 5. NAVIGATION */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 800;
  transition: background var(--tr), box-shadow var(--tr);
}
.site-nav.solid {
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 var(--nav-border);
}
.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.1rem clamp(1rem,4vw,2.5rem);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-logo img { height: 52px; width: auto; transition: filter var(--tr) }
/* Dark mode: invert logo so navy parts are visible on dark background */
[data-theme="dark"] .nav-logo img,
[data-theme="dark"] .footer-brand img,
[data-theme="dark"] .foot-logo img { filter: brightness(0) invert(1) }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin: 0 auto;
}
.nav-links a {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--primary);
  opacity: .5;
  position: relative;
  transition: opacity var(--tr);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--tr);
}
.nav-links a:hover,
.nav-links a.active { opacity: 1 }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100% }
.nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.35rem;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
  transition: all var(--tr);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--accent);
  color: #09090e;
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Theme Toggle */
.theme-toggle {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr);
  cursor: none;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-lo);
}
.theme-toggle svg {
  width: 15px; height: 15px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--tr);
}
.theme-toggle:hover svg { stroke: var(--accent) }
.icon-sun { display: none }
.icon-moon { display: block }
[data-theme="dark"] .icon-sun { display: block }
[data-theme="dark"] .icon-moon { display: none }

/* Hamburger */
.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
}
.hamburger-btn span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--secondary);
  border-radius: 2px;
  transition: all .3s;
}
.hamburger-btn.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg) }
.hamburger-btn.open span:nth-child(2) { opacity: 0 }
.hamburger-btn.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg) }

/* Mobile overlay */
.mob-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  backdrop-filter: blur(20px);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s;
}
.mob-overlay.open { opacity: 1; pointer-events: all }
.mob-overlay a {
  font-size: clamp(1.4rem,5vw,2rem);
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: color var(--tr);
}
.mob-overlay a:hover { color: var(--accent) }
.mob-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 1.5rem;
  color: var(--primary);
  opacity: .5;
  cursor: none;
  padding: .5rem;
  transition: opacity var(--tr);
}
.mob-close:hover { opacity: 1 }

/* 6. BUTTONS */
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 2rem;
  background: var(--accent);
  color: #09090e;
  border-radius: 100px;
  font-weight: 800;
  font-size: .8rem;
  letter-spacing: .06em;
  transition: all var(--tr);
}
.btn-gold:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 28px var(--accent-glow);
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .8rem 2rem;
  border: 1px solid var(--divider);
  color: var(--secondary);
  border-radius: 100px;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .04em;
  transition: all var(--tr);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent) }

/* 7. LAYOUT UTILITIES */
section { position: relative; z-index: 1 }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem,4vw,2.5rem);
}
.sec-pad { padding: clamp(4rem,7vw,7rem) 0 }

/* 8. TYPOGRAPHY UTILITIES */
.label {
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .65rem;
}
.label::before {
  content: '';
  width: 22px; height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}
.h2 {
  font-size: clamp(1.3rem,2.4vw,2rem);
  font-weight: 900;
  color: var(--secondary);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: .85rem;
}
.body-copy {
  font-size: clamp(.8rem,1.1vw,.88rem);
  color: var(--primary);
  opacity: .72;
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 2.5rem;
}

/* 9. FOOTER */
footer {
  background: var(--bg-2);
  border-top: 1px solid var(--divider);
  padding: clamp(2.5rem,5vw,4rem) 0 2rem;
  position: relative;
  z-index: 1;
}
.foot-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem,4vw,2.5rem);
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 2.5rem;
  align-items: start;
}
.foot-logo img { height: 60px; margin-bottom: .85rem }
.foot-tagline {
  font-size: .72rem;
  color: var(--primary);
  opacity: .38;
  line-height: 1.6;
  max-width: 190px;
}
.foot-col h4 {
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.foot-col ul { display: flex; flex-direction: column; gap: .55rem }
.foot-col ul li a {
  font-size: .75rem;
  color: var(--primary);
  opacity: .48;
  transition: opacity var(--tr);
}
.foot-col ul li a:hover { opacity: 1 }
.foot-social { display: flex; gap: .65rem; margin-top: .9rem }
.soc-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--divider);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr);
}
.soc-btn:hover { border-color: var(--accent); background: var(--accent-lo) }
.soc-btn svg {
  width: 13px; height: 13px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .55;
  transition: all var(--tr);
}
.soc-btn:hover svg { stroke: var(--accent); opacity: 1 }
.foot-bottom {
  max-width: 1280px;
  margin: 1.75rem auto 0;
  padding: 1.1rem clamp(1rem,4vw,2.5rem) 0;
  border-top: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}
.foot-copy {
  font-size: .62rem;
  color: var(--primary);
  opacity: .28;
  letter-spacing: .04em;
}

/* 10. PAGE FADE */
.page-fade {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9000;
  pointer-events: none;
  opacity: 1;
  transition: opacity .42s cubic-bezier(.4,0,.2,1);
}
.page-fade.out { opacity: 0; }

/* 11. REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}
.reveal.in { opacity: 1; transform: none }

/* 12. STATS STRIP (global, gold background) */
.stats-strip { background: var(--accent); padding: 1.35rem 0 }
.stats-row {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem,4vw,2.5rem);
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1.75rem;
}
.stat-item .n {
  font-size: 1.75rem;
  font-weight: 900;
  color: #09090e;
  letter-spacing: -.03em;
  line-height: 1;
}
.stat-item .d {
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(9,9,14,.6);
  margin-top: .2rem;
}

/* 13. SHARED CARD ELEMENTS */
.tech-pill {
  padding: .2rem .65rem;
  border: 1px solid var(--divider);
  border-radius: 100px;
  font-size: .57rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--primary);
  opacity: .55;
}

/* CTA CARD */
.cta-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 20px;
  padding: clamp(2.25rem,5vw,3.75rem);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%,var(--accent-lo),transparent 65%);
  pointer-events: none;
}
.cta-card h2 {
  font-size: clamp(1.25rem,2.4vw,1.85rem);
  font-weight: 900;
  color: var(--secondary);
  letter-spacing: -.03em;
  margin-bottom: .85rem;
  line-height: 1.1;
}
.cta-card p {
  font-size: .83rem;
  color: var(--primary);
  opacity: .6;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.cta-btns { display: flex; gap: .85rem; justify-content: center; flex-wrap: wrap }

/* LINK ARROW */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap var(--tr);
}
.link-arrow:hover { gap: .8rem }
.link-arrow svg {
  width: 12px; height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--tr);
}
.link-arrow:hover svg { transform: translateX(3px) }

/* 14. RESPONSIVE */
@media(max-width:768px) {
  .nav-links, .nav-cta { display: none }
  .hamburger-btn { display: flex }
  .foot-grid { grid-template-columns: 1fr 1fr }
}
@media(max-width:480px) {
  .foot-grid { grid-template-columns: 1fr }
}