/* ═══════════════════════════════════════════════════════════════
   SOFTHIRE SYSTEMS — Unified Design System
   Phase 1: Tokens + Shared Components
   Load FIRST on every page before all other stylesheets.
   ═══════════════════════════════════════════════════════════════ */

/* ── Fonts ──────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=IBM+Plex+Mono:ital,wght@0,400;0,500;1,400&family=Lora:ital,wght@1,500&display=swap');

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  /* Surfaces */
  --sys-bg:        #020113;
  --sys-bg-alt:    #050822;
  --sys-surface:   #07112E;
  --sys-surface-2: #0B1638;
  --sys-surface-3: #0F1C44;

  /* Brand */
  --sys-gold:      #C9A84C;
  --sys-gold-hi:   #E3C878;
  --sys-gold-glow: rgba(201,168,76,.45);

  /* Text */
  --sys-text:      #F4F1EA;
  --sys-text-2:    #B9C0D4;
  --sys-text-3:    #8E97AF;
  --sys-warn:      #E08A6E;

  /* Lines */
  --sys-line:      rgba(255,255,255,.08);
  --sys-line-2:    rgba(255,255,255,.14);
  --sys-line-gold: rgba(201,168,76,.40);

  /* Typography */
  --sys-font-sans:  'Outfit', system-ui, sans-serif;
  --sys-font-serif: 'Lora', Georgia, serif;
  --sys-font-mono:  'IBM Plex Mono', ui-monospace, monospace;

  /* Shape */
  --sys-radius-sm:   10px;
  --sys-radius:      16px;
  --sys-radius-lg:   20px;
  --sys-radius-pill: 999px;

  /* Layout */
  --sys-container: 1240px;
  --sys-gutter:    clamp(16px, 4vw, 24px);

  /* Easing */
  --sys-ease-out: cubic-bezier(.2,.8,.2,1);
  --sys-ease-io:  cubic-bezier(.6,0,.4,1);

  /* Durations */
  --sys-dur-fast: 250ms;
  --sys-dur:      450ms;
  --sys-dur-slow: 800ms;

  /* Header heights (matches existing CSS vars) */
  --header-h:         96px;
  --header-h-compact: 66px;
}

/* ── Blueprint Grid Utility ──────────────────────────────────── */
.grid-bg {
  background-image:
    linear-gradient(rgba(201,168,76,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,.06) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ── FX-00: Scroll Progress Bar ──────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--sys-gold);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 9999;
  pointer-events: none;
  will-change: transform;
}

/* ── FX-17: View Transitions ─────────────────────────────────── */
@view-transition { navigation: auto; }
main { view-transition-name: main-content; }
header.site-header { view-transition-name: site-header; contain: layout; }

::view-transition-old(main-content) {
  animation: 300ms var(--sys-ease-out) both sys-vt-out;
}
::view-transition-new(main-content) {
  animation: 300ms var(--sys-ease-out) both sys-vt-in;
}
::view-transition-old(site-header),
::view-transition-new(site-header) {
  animation: none;
}
@keyframes sys-vt-out {
  to { opacity: 0; transform: translateY(-12px); }
}
@keyframes sys-vt-in {
  from { opacity: 0; transform: translateY(12px); }
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 28px;
  border-radius: var(--sys-radius-pill);
  font-family: var(--sys-font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: none;
  position: relative;
  transition:
    transform var(--sys-dur-fast) ease,
    box-shadow .3s ease,
    border-color .25s ease,
    background .25s ease,
    color .25s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--sys-gold);
  color: var(--sys-bg);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 8px rgba(201,168,76,.12),
    0 18px 50px -10px rgba(201,168,76,.9);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--sys-line-2);
  color: var(--sys-text);
}
.btn-ghost:hover {
  border-color: var(--sys-gold);
  color: #fff;
}
.btn:focus-visible {
  outline: 2px solid var(--sys-gold-hi);
  outline-offset: 4px;
}
/* Arrow text-link style */
.sys-link {
  font-family: var(--sys-font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--sys-gold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--sys-dur-fast) ease, color var(--sys-dur-fast) ease;
}
.sys-link:hover { gap: 10px; color: var(--sys-gold-hi); }
.sys-link:focus-visible {
  outline: 2px solid var(--sys-gold-hi);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ── Bracket Card ────────────────────────────────────────────── */
.sys-card {
  position: relative;
  overflow: hidden;
  background: var(--sys-surface);
  border: 1px solid var(--sys-line);
  border-radius: var(--sys-radius);
  padding: 30px 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition:
    transform var(--sys-dur) var(--sys-ease-out),
    background var(--sys-dur) ease,
    border-color var(--sys-dur) ease;
}

/* Corner bracket decorations */
.sys-card::before,
.sys-card::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 0 solid var(--sys-gold);
  transition:
    width var(--sys-dur) ease,
    height var(--sys-dur) ease;
  pointer-events: none;
  z-index: 1;
}
.sys-card::before {
  top: 0;
  left: 0;
  border-top-width: 2px;
  border-left-width: 2px;
}
.sys-card::after {
  bottom: 0;
  right: 0;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

/* Light sweep on hover */
.sys-card-sweep {
  position: absolute;
  inset: 0 auto 0 -60%;
  width: 40%;
  background: linear-gradient(100deg, transparent, rgba(201,168,76,.12), transparent);
  transform: skewX(-18deg);
  transition: left .8s ease;
  pointer-events: none;
}

/* Hover state */
.sys-card:hover {
  transform: translateY(-8px);
  background: var(--sys-surface-2);
}
.sys-card:hover::before,
.sys-card:hover::after {
  width: 100%;
  height: 100%;
}
.sys-card:hover .sys-card-sweep {
  left: 130%;
}

/* Featured variant */
.sys-card--featured {
  border-color: var(--sys-line-gold);
  background: linear-gradient(170deg, var(--sys-surface-3), var(--sys-surface));
}

/* Card anatomy pieces */
.sys-card-code {
  font-family: var(--sys-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--sys-gold);
  text-transform: uppercase;
  margin: 0;
}
.sys-card-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--sys-radius-pill);
  border: 1px solid var(--sys-line-2);
  font-family: var(--sys-font-mono);
  font-size: 10px;
  letter-spacing: .05em;
  color: var(--sys-text-3);
}
.sys-card-title {
  font-family: var(--sys-font-sans);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--sys-text);
  margin: 0;
}
.sys-card-price {
  font-family: var(--sys-font-sans);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--sys-gold);
  line-height: 1;
  margin: 0;
}
.sys-card-price-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--sys-text-3);
  letter-spacing: 0;
}
.sys-card-desc {
  font-family: var(--sys-font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--sys-text-2);
  flex: 1;
  margin: 0;
}
.sys-card-divider {
  height: 1px;
  background: var(--sys-line);
  margin: 4px 0;
}

/* ── Eyebrow ──────────────────────────────────────────────────── */
.sys-eyebrow {
  font-family: var(--sys-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sys-gold);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
}
.sys-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--sys-gold);
  flex-shrink: 0;
}

/* ── Typography Scale ─────────────────────────────────────────── */
.sys-h1 {
  font-family: var(--sys-font-sans);
  font-size: clamp(44px, 6vw, 84px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--sys-text);
  margin: 0;
}
.sys-h2 {
  font-family: var(--sys-font-sans);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--sys-text);
  margin: 0;
}
.sys-h3 {
  font-family: var(--sys-font-sans);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--sys-text);
  margin: 0;
}
.sys-em {
  font-family: var(--sys-font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--sys-gold);
}
.sys-body {
  font-family: var(--sys-font-sans);
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--sys-text-2);
}
.sys-mono {
  font-family: var(--sys-font-mono);
}

/* ── Layout Utilities ─────────────────────────────────────────── */
.sys-container {
  width: min(var(--sys-container), calc(100% - var(--sys-gutter) * 2));
  margin-inline: auto;
}
.sys-section {
  padding: clamp(96px, 12vw, 160px) 0;
}
.sys-dark {
  background: var(--sys-bg);
  color: var(--sys-text);
}
.sys-dark-alt {
  background: var(--sys-bg-alt);
  color: var(--sys-text);
}
.sys-dark p,
.sys-dark-alt p {
  color: var(--sys-text-2);
}
.sys-line-sep {
  height: 1px;
  background: var(--sys-line);
  border: none;
}

/* ── Header (glassmorphism upgrade) ───────────────────────────── */
/* Applied when .sys-glass is on the header element */
.site-header.sys-glass {
  background: rgba(2,1,19,.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--sys-line);
}

/* ── Skip link ────────────────────────────────────────────────── */
.sys-skip {
  position: fixed;
  left: 16px;
  top: -100px;
  background: var(--sys-gold);
  color: var(--sys-bg);
  z-index: 9999;
  padding: 10px 20px;
  border-radius: 4px;
  font-family: var(--sys-font-sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.sys-skip:focus { top: 8px; }

/* ── Focus ring ───────────────────────────────────────────────── */
.sys-focus-ring:focus-visible {
  outline: 2px solid var(--sys-gold-hi);
  outline-offset: 4px;
  border-radius: 3px;
}

/* ── Phase 6: Framed video panel ─────────────────────────────── */
.sys-framed-video-outer {
  position: relative;
  border-radius: var(--sys-radius, 16px);
  overflow: hidden;
  border: 1px solid var(--sys-line-gold, rgba(201,168,76,.3));
  box-shadow: 0 0 60px rgba(201,168,76,.08), inset 0 0 1px var(--sys-gold, #C9A84C);
}
.sys-framed-video-outer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(2,1,19,.7) 100%
  );
  pointer-events: none;
  z-index: 1;
}
.sys-framed-video-outer > * { margin: 0 !important; }

/* ── Reduced motion safety ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  #scroll-progress { transition: none; }
  .sys-card,
  .sys-card::before,
  .sys-card::after,
  .sys-card-sweep { transition: none; }
  .btn { transition: color .1s, border-color .1s; transform: none !important; }
  .sys-link { transition: none; }
  @view-transition { navigation: none; }
  ::view-transition-old(main-content),
  ::view-transition-new(main-content) { animation: none; }
}