/* ============================================================
   OXCO — Design System
   Dark / terminal / premium-agency theme
   ============================================================ */

:root {
  /* --- Surfaces (overridden by bg-darkness tweak) --- */
  --bg-0: #0A0A0F;          /* deepest backdrop */
  --bg-1: #0D0D12;          /* page background */
  --bg-2: #101018;          /* raised surface */
  --bg-card: #14141C;       /* card fill */
  --bg-card-2: #181820;

  /* --- Accent (overridden by accent tweak) --- */
  --accent: #00E5FF;                 /* primary accent */
  --accent-rgb: 0, 229, 255;
  --accent-2: #A855F7;               /* secondary glow */
  --accent-2-rgb: 168, 85, 247;
  --neon-green: #39FF14;             /* terminal/code only */

  /* --- Text --- */
  --text-head: #F5F5F7;
  --text-body: #9CA3AF;
  --text-muted: #6B7280;
  --text-faint: #4B5563;

  /* --- Lines & glass (glass strength tweak scales these) --- */
  --glass-blur: 16px;
  --glass-fill: rgba(255, 255, 255, 0.024);
  --glass-fill-strong: rgba(255, 255, 255, 0.045);
  --border: rgba(var(--accent-rgb), 0.12);
  --border-soft: rgba(255, 255, 255, 0.06);
  --glow: rgba(var(--accent-rgb), 0.35);

  /* --- Animation intensity (anim tweak scales these 0..1.4) --- */
  --anim: 1;

  /* --- Type --- */
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* --- Rhythm --- */
  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 16px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg-1);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--text-head);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: rgba(var(--accent-rgb), 0.28); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: #23232e; border-radius: 6px; border: 2px solid var(--bg-0);
}
::-webkit-scrollbar-thumb:hover { background: rgba(var(--accent-rgb), 0.5); }

/* ============================================================
   Layout helpers
   ============================================================ */
.section { position: relative; padding: clamp(72px, 11vh, 140px) 0; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.sec-title {
  font-size: clamp(30px, 4.4vw, 52px);
  margin: 18px 0 0;
  max-width: 16ch;
}
.sec-sub {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--text-body);
  font-size: clamp(15px, 1.5vw, 17px);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .3s, background .3s, color .3s, border-color .3s;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
}
.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--accent);
  color: #04141a;
  box-shadow: 0 0 0 rgba(var(--accent-rgb), 0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(var(--accent-rgb), calc(0.65 * var(--anim))),
              0 0 0 1px rgba(var(--accent-rgb), 0.5);
}
/* magnetic glow that follows cursor (set via JS --mx/--my) */
.btn-primary::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(120px circle at var(--mx, 50%) var(--my, 50%),
              rgba(255,255,255,0.5), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.btn-primary:hover::before { opacity: calc(0.7 * var(--anim)); }

.btn-ghost {
  background: transparent;
  color: var(--text-head);
  border-color: var(--border);
  backdrop-filter: blur(var(--glass-blur));
}
.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--accent-rgb), 0.55);
  color: #fff;
  box-shadow: inset 0 0 24px rgba(var(--accent-rgb), calc(0.12 * var(--anim)));
}

.btn-sm { padding: 10px 18px; font-size: 12.5px; }

.detail-order-btn {
  min-height: 58px;
  padding: 8px 9px 8px 22px;
  gap: 16px;
  border: 1px solid rgba(var(--accent-rgb), 0.55);
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.98), rgba(var(--accent-2-rgb), 0.9));
  color: #041015;
  box-shadow: 0 20px 46px -18px rgba(var(--accent-rgb), 0.8);
}
.detail-order-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 58px -20px rgba(var(--accent-rgb), 0.95),
              0 0 0 1px rgba(255,255,255,0.18) inset;
}
.detail-order-copy { display: grid; gap: 1px; text-align: left; line-height: 1.05; }
.detail-order-copy span { font-size: 14px; font-weight: 700; letter-spacing: 0.05em; }
.detail-order-copy small { font-size: 10px; color: rgba(4,16,21,0.68); letter-spacing: 0.08em; text-transform: uppercase; }
.detail-order-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(4,16,21,0.9);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
  transition: transform .25s cubic-bezier(.2,.8,.2,1);
}
.detail-order-btn:hover .detail-order-icon { transform: translate(2px, -2px); }

/* ============================================================
   Glass card
   ============================================================ */
.glass {
  position: relative;
  background:
    linear-gradient(180deg, var(--glass-fill-strong), var(--glass-fill)),
    var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  backdrop-filter: blur(var(--glass-blur));
  transition: transform .4s cubic-bezier(.2,.8,.2,1), border-color .4s, box-shadow .4s;
}
.glass::after {
  /* cursor-proximity glow */
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--mx, -100px) var(--my, -100px),
              rgba(var(--accent-rgb), calc(0.14 * var(--anim))), transparent 65%);
  opacity: 0; transition: opacity .4s;
  pointer-events: none;
}
.glass:hover::after { opacity: 1; }
.glass:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 22px 60px -28px rgba(0,0,0,0.9),
              0 0 0 1px rgba(var(--accent-rgb), 0.18);
}

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1);
  transition-delay: var(--rv-delay, 0ms);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Glitch text
   ============================================================ */
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0;
  width: 100%; height: 100%;
  opacity: 0; pointer-events: none;
  clip-path: inset(0 0 0 0);
}
.glitch:hover::before {
  opacity: calc(0.9 * var(--anim));
  color: var(--accent);
  animation: glitch-x .4s steps(2) infinite;
  text-shadow: -2px 0 var(--accent);
}
.glitch:hover::after {
  opacity: calc(0.9 * var(--anim));
  color: var(--accent-2);
  animation: glitch-y .4s steps(2) infinite reverse;
  text-shadow: 2px 0 var(--accent-2);
}
@keyframes glitch-x {
  0% { clip-path: inset(0 0 70% 0); transform: translate(-2px,-1px); }
  50% { clip-path: inset(40% 0 20% 0); transform: translate(2px,1px); }
  100% { clip-path: inset(80% 0 0 0); transform: translate(-1px,1px); }
}
@keyframes glitch-y {
  0% { clip-path: inset(70% 0 0 0); transform: translate(2px,1px); }
  50% { clip-path: inset(20% 0 40% 0); transform: translate(-2px,-1px); }
  100% { clip-path: inset(0 0 80% 0); transform: translate(1px,-1px); }
}

/* ============================================================
   Misc
   ============================================================ */
.tag-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text-body);
  background: rgba(255,255,255,0.02);
  white-space: nowrap;
}

.accent-text { color: var(--accent); }
.green-text { color: var(--neon-green); font-family: var(--font-mono); }

/* faint global grid overlay sits above canvas, below content */
.grid-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 80%);
}

/* animated background field */
.bg-field { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.9; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(90px);
  opacity: calc(0.5 * var(--anim));
  animation: orbFloat 22s ease-in-out infinite;
}
.orb-1 {
  width: 46vw; height: 46vw; top: -14vw; left: -8vw;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.34), transparent 65%);
}
.orb-2 {
  width: 40vw; height: 40vw; bottom: -16vw; right: -10vw;
  background: radial-gradient(circle, rgba(var(--accent-2-rgb), 0.26), transparent 65%);
  animation-delay: -11s; animation-duration: 28s;
}
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(4vw, 3vw) scale(1.12); }
}
@media (prefers-reduced-motion: reduce) { .orb { animation: none; } }

/* divider line with moving accent shimmer */
.hr-glow {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(90deg, transparent, var(--border-soft) 30%, rgba(var(--accent-rgb),0.4) 50%, var(--border-soft) 70%, transparent);
}