/* ============================================================
   VanguardOphir — Base: reset, typography, layout primitives
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--bone-dim);
  background-color: var(--void);
  background-image:
    radial-gradient(1200px 600px at 78% -8%, rgba(181, 113, 60, 0.10), transparent 60%),
    radial-gradient(900px 500px at 12% 4%, rgba(154, 43, 49, 0.10), transparent 62%),
    linear-gradient(180deg, var(--void-2), var(--void) 40%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Faint scanline atmosphere — corporate terminal texture */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.015) 0,
    rgba(255, 255, 255, 0.015) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.5;
  mix-blend-mode: overlay;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--brass); color: var(--void); }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* --- Headings --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--bone);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-h1); text-transform: uppercase; }
h2 { font-size: var(--fs-h2); text-transform: uppercase; letter-spacing: 0; }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { max-width: 66ch; }

strong { color: var(--bone); font-weight: 600; }

/* --- Layout primitives --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: var(--container-wide); }

.section { padding-block: var(--section-y); position: relative; z-index: 2; }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.stack > * + * { margin-top: 1.1rem; }
.stack-lg > * + * { margin-top: 1.9rem; }

.hairline { height: 1px; background: var(--line-soft); border: 0; }

.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* --- Shared type treatments --- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-mid);
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 1.9rem;
  height: 1px;
  background: var(--brass-dim);
}

.lede {
  font-size: var(--fs-lede);
  line-height: 1.5;
  color: var(--bone-dim);
  max-width: 44ch;
}

.mono { font-family: var(--font-mono); }
.muted { color: var(--ash); }

.section-head { max-width: 60ch; margin-bottom: clamp(2rem, 4vw, 3.4rem); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: var(--tracking-mid);
  text-transform: uppercase;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1px solid var(--brass);
  color: var(--brass-bright);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn::after { content: "→"; transition: transform 0.25s var(--ease); }
.btn:hover { background: var(--brass); color: var(--void); border-color: var(--brass); }
.btn:hover::after { transform: translateX(4px); }

.btn--ghost { border-color: var(--line); color: var(--bone-dim); }
.btn--ghost:hover { background: var(--panel-2); color: var(--bone); border-color: var(--ash-dim); }

.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }

/* --- Reveal on scroll --- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}