/* ============================================
   xunc.css — shared base for xunc.dev
   All three pages: index / service / link
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; cursor: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }

:root {
  --bg:        #080808;
  --bg2:       #111111;
  --bg3:       #1a1a1a;
  --accent:    #39C5BB;
  --accent-dim: rgba(57,197,187,0.12);
  --accent-line: rgba(57,197,187,0.25);
  --fg1:       #f0f0f0;
  --fg2:       #888888;
  --fg3:       #444444;
  --border:    rgba(255,255,255,0.07);
  --border2:   rgba(255,255,255,0.12);
  --sans:      'Space Grotesk', sans-serif;
  --mono:      'Space Mono', monospace;
  --ease:      cubic-bezier(0.4,0,0.2,1);
  --ease-out:  cubic-bezier(0.16,1,0.3,1);
}

body {
  background: var(--bg);
  color: var(--fg1);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ── Custom cursor ─────────────────────── */
.xc-dot  { position:fixed; width:8px; height:8px; background:var(--accent); border-radius:50%; pointer-events:none; z-index:9999; transform:translate(-50%,-50%); mix-blend-mode:difference; transition:transform .1s; }
.xc-ring { position:fixed; width:36px; height:36px; border:1px solid var(--accent); border-radius:50%; pointer-events:none; z-index:9998; transform:translate(-50%,-50%); transition:width .15s, height .15s, background .15s, opacity .15s; opacity:.5; }
.xc-ring.hover { width:56px; height:56px; background:var(--accent-dim); opacity:1; }

/* ── Nav ───────────────────────────────── */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 48px;
  border-bottom:1px solid transparent;
  transition:border-color .4s;
}
/* Use ::before for the blur background so .nav doesn't become a
   containing block for position:fixed children (the mobile overlay) */
.nav::before {
  content:''; position:absolute; inset:0; z-index:-1;
  background:transparent;
  backdrop-filter:blur(0px);
  transition:background .4s, backdrop-filter .4s;
  pointer-events:none;
}
.nav.scrolled::before { background:rgba(8,8,8,.88); backdrop-filter:blur(16px); }
.nav.scrolled { border-bottom-color:var(--border); }
.nav-logo { display:flex; align-items:center; gap:8px; }
.nav-logo img { height:56px; width:auto; clip-path:inset(6px); }
.nav-links { display:flex; align-items:center; gap:36px; }
.nav-links a { font-size:14px; color:var(--fg2); letter-spacing:.02em; position:relative; transition:color .2s; }
.nav-links a::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:1px; background:var(--accent); transition:width .3s; }
.nav-links a:hover { color:var(--fg1); }
.nav-links a:hover::after { width:100%; }
.nav-cta { padding:10px 22px; border:1px solid var(--accent); color:var(--accent) !important; border-radius:2px; font-size:13px !important; letter-spacing:.06em; text-transform:uppercase; }
.nav-cta:hover { background:var(--accent); color:var(--bg) !important; }
.nav-cta::after { display:none !important; }

/* ── Buttons ───────────────────────────── */
.btn { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; font-family:var(--sans); font-weight:600; font-size:14px; letter-spacing:.04em; border-radius:2px; transition:all .2s; position:relative; overflow:hidden; cursor:none; border:none; }
.btn-primary { background:var(--accent); color:var(--bg); }
.btn-primary::before { content:''; position:absolute; inset:0; background:rgba(255,255,255,.2); transform:translateX(-100%); transition:transform .3s; }
.btn-primary:hover::before { transform:translateX(0); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 32px rgba(57,197,187,.25); }
.btn-secondary { background:transparent; color:var(--fg1); border:1px solid var(--border); }
.btn-secondary:hover { border-color:var(--accent); color:var(--accent); }

/* ── Eyebrow / section label ───────────── */
.eyebrow { font-family:var(--mono); font-size:12px; color:var(--accent); letter-spacing:.14em; text-transform:uppercase; margin-bottom:16px; display:flex; align-items:center; gap:12px; }
.eyebrow::before { content:''; width:32px; height:1px; background:var(--accent); display:block; }
.section-title { font-size:clamp(36px,5vw,64px); font-weight:700; letter-spacing:-.02em; line-height:1.1; }

/* ── Section ───────────────────────────── */
.section { padding:120px 48px; }
.section-alt { background:var(--bg2); }
.section-border { border-top:1px solid var(--border); }

/* ── Marquee ───────────────────────────── */
.marquee-wrap { overflow:hidden; border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding:16px 0; background:var(--bg2); }
.marquee-track { display:flex; gap:48px; width:max-content; animation:marquee 20s linear infinite; }
.marquee-item { font-family:var(--mono); font-size:13px; color:var(--fg3); letter-spacing:.06em; text-transform:uppercase; white-space:nowrap; display:flex; align-items:center; gap:48px; }
.marquee-item::after { content:'✦'; color:var(--accent); font-size:10px; }
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ── Reveal animation ──────────────────── */
.reveal { opacity:0; transform:translateY(36px); transition:opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-d1 { transition-delay:.1s; }
.reveal-d2 { transition-delay:.2s; }
.reveal-d3 { transition-delay:.3s; }
.reveal-d4 { transition-delay:.4s; }

/* ── Footer ────────────────────────────── */
.site-footer { padding:32px 48px; border-top:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; }
.footer-left { font-family:var(--mono); font-size:13px; color:var(--fg3); }
.footer-left span { color:var(--accent); }
.footer-links { display:flex; gap:24px; }
.footer-links a { font-size:13px; color:var(--fg3); transition:color .2s; }
.footer-links a:hover { color:var(--accent); }

/* ── Touch device: disable custom cursor ─ */
@media (pointer: coarse) {
  body { cursor: auto; }
  .xc-dot, .xc-ring { display: none; }
}

/* ── Scrollbar ─────────────────────────── */
::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--fg3); border-radius:2px; }
::-webkit-scrollbar-thumb:hover { background:var(--accent); }

/* ── Hamburger ─────────────────────────── */
.nav-hamburger { display:none; flex-direction:column; justify-content:center; gap:5px; background:none; border:none; cursor:none; padding:8px; z-index:101; position:relative; }
.nav-hamburger span { display:block; width:22px; height:2px; background:var(--fg1); border-radius:1px; transition:transform .3s var(--ease), opacity .3s var(--ease); }
.nav-hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ── Responsive ────────────────────────── */
@media (max-width:768px) {
  .nav { padding:16px 24px; }
  .nav-hamburger { display:flex; }
  .nav-logo { z-index:102; position:relative; }
  .nav-links {
    display:none;
    position:fixed; top:0; left:0; width:100vw; height:100vh;
    background:rgba(8,8,8,.97); backdrop-filter:blur(24px);
    flex-direction:column; align-items:center; justify-content:center;
    gap:36px; z-index:99;
  }
  .nav-links.open { display:flex; animation:menuFadeIn .25s ease forwards; }
  @keyframes menuFadeIn { from{opacity:0;transform:scale(.98)} to{opacity:1;transform:scale(1)} }
  .nav.menu-open::before { background:rgba(8,8,8,.97) !important; backdrop-filter:blur(16px) !important; }
  .nav.menu-open { border-bottom-color:var(--border); }
  .nav-links li a { font-size:26px !important; color:var(--fg1) !important; letter-spacing:-.01em; }
  .nav-links li a::after { display:none !important; }
  .nav-links .nav-cta { font-size:18px !important; padding:14px 40px; text-transform:none; letter-spacing:0; margin-top:8px; }
  .section { padding:80px 24px; }
  .site-footer { padding:24px; }
}