/* ==========================================================================
   BASE / RESET
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--dur-med) var(--ease-orbit), color var(--dur-med) var(--ease-orbit);
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }
h1,h2,h3,h4{ margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; color: var(--text-0); }
p{ margin: 0; }
svg{ display: block; }

::selection{ background: var(--accent); color: #100b06; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link{
  position: absolute; left: -9999px; top: 0; z-index: 10000;
  background: var(--accent); color: #16100a;
  padding: .8em 1.4em; font-family: var(--font-display); font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus{ left: 0; }

/* Scrollbar (cosmetic, non-critical) */
::-webkit-scrollbar{ width: 10px; }
::-webkit-scrollbar-track{ background: var(--bg-0); }
::-webkit-scrollbar-thumb{ background: var(--gray); border-radius: 10px; }

/* ==========================================================================
   LAYOUT PRIMITIVES
   ========================================================================== */
.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.section{ position: relative; padding-block: var(--sp-6); }
.section--tight{ padding-block: var(--sp-5); }

.eyebrow{
  display: inline-flex; align-items: center; text-align: center; gap: .6em;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before{
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px rgba(var(--accent-rgb), .8);
}

.heading-xl{ font-size: var(--fs-2xl); line-height: 1.04; }
.heading-lg{ font-size: var(--fs-xl); line-height: 1.08; }
.heading-md{ font-size: var(--fs-lg); line-height: 1.18; }

.text-muted{ color: var(--text-2); }
.text-body{ font-family: var(--font-display); font-size: var(--fs-md); color: var(--text-1); line-height: 1.65; font-weight: 400; }

.grad-text{
  background: var(--orbit-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .85em 1.7em;
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-orbit), box-shadow var(--dur-fast) var(--ease-orbit), background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px) scale(.98); }

.btn--primary{
  background: var(--accent);
  color: #16100a;
  box-shadow: 0 8px 24px -8px rgba(var(--accent-rgb), .55);
}
.btn--primary:hover{ box-shadow: 0 12px 30px -6px rgba(var(--accent-rgb), .7); transform: translateY(-2px); }

.btn--red{
  background: var(--red);
  color: #16100a;
  box-shadow: 0 8px 24px -8px rgba(var(--accent-rgb), .55);
}
.btn--red:hover{ box-shadow: 0 12px 30px -6px rgba(var(--accent-rgb), .7); transform: translateY(-2px); }


.btn--ghost{
  background: transparent;
  color: var(--text-0);
  border-color: var(--line-strong);
}
.btn--ghost:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn--sm{ padding: .6em 1.2em; font-size: var(--fs-xs); }

/* ==========================================================================
   CARDS
   ========================================================================== */
.card{
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  backdrop-filter: blur(6px);
  transition: transform var(--dur-fast) var(--ease-orbit), border-color var(--dur-fast), background var(--dur-fast);
}
.card:hover{
  border-color: rgba(var(--accent-rgb), .45);
  transform: translateY(-4px);
}

.tag{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3em .8em;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text-2);
}

/* ==========================================================================
   GRID HELPERS
   ========================================================================== */
.grid{ display: grid; gap: var(--sp-4); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }
.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px){
  .grid--3, .grid--4{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px){
  .grid--2, .grid--3, .grid--4{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   SCROLL-REVEAL UTILITY (driven by main.js IntersectionObserver)
   ========================================================================== */
[data-reveal]{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-orbit), transform .8s var(--ease-orbit);
}
[data-reveal].is-visible{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity: 1; transform: none; }
}

/* page-enter veil, toggled by main.js */
.page-veil{
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-0);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s var(--ease-orbit);
}
.page-veil.is-hidden{ opacity: 0; pointer-events: none; }