/* ============================================================
   components.css | Reusable UI Patterns & Atoms
   ============================================================ */

/* ── BASE RESET ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Branded scrollbar */
html {
  background: var(--clr-bg-dark);
  scrollbar-color: rgba(var(--rgb-primary), 0.28) var(--clr-surface-1);
  scrollbar-width: thin;
}
::-webkit-scrollbar             { width: 5px; height: 5px; }
::-webkit-scrollbar-track       { background: var(--clr-surface-1); }
::-webkit-scrollbar-thumb       { background: rgba(var(--rgb-primary), 0.26); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(var(--rgb-primary), 0.5); }

/* Branded selection highlight */
::selection {
  background: rgba(var(--rgb-primary), 0.2);
  color: var(--clr-text-bright);
}

body {
  background-color: var(--clr-bg-dark);
  color: var(--clr-text-main);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul { list-style: none; }
img { display: block; max-width: 100%; }
button, a { cursor: pointer; text-decoration: none; }

/* ── CONTAINERS & SECTIONS ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}
.container--md { max-width: var(--container-md); }

.section {
  position: relative;
  background: var(--clr-bg-dark);
  padding: var(--space-xl) var(--gutter);
  border-top: 1px solid var(--clr-border-subtle);
  overflow: hidden;
  isolation: isolate;
}
/* Ambient radial wash — makes each section feel lit from above */
.section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow-radial);
  pointer-events: none;
  z-index: var(--z-bg);
}

/* ── TYPOGRAPHY COMPONENTS ── */
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0 0 var(--space-sm) 0;
}
.eyebrow-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--clr-primary);
  box-shadow: 0 0 8px var(--clr-glow-primary), 0 0 20px var(--clr-glow-ambient);
  animation: pulse-dot 2.4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  flex-shrink: 0;
}
.eyebrow-text {
  font-family: var(--font-ui);
  font-size: clamp(0.52rem, 0.82vw, 0.62rem);
  color: var(--clr-primary);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  opacity: 0.85;
  font-feature-settings: var(--ffs-mono);
}
.eyebrow-line {
  flex: 1; height: 1px;
  background: linear-gradient(
    90deg,
    rgba(var(--rgb-primary), 0.35) 0%,
    rgba(var(--rgb-primary), 0.06) 55%,
    transparent 100%
  );
}

/*
 * SIGNATURE ELEMENT — holographic gradient fade
 * white → cyan → void; evokes a race telemetry display
 */
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.05;
  color: var(--clr-text-main); /* solid fallback if gradient fails */
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-feature-settings: var(--ffs-head);
  text-wrap: balance;
}

.section-title--large {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  font-weight: 900;
  font-style: normal;
  letter-spacing: -0.02em;
  line-height: 1.0;
  background: var(--gradient-text-lg);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-feature-settings: var(--ffs-display);
}

/* Inline highlight within gradient title — solid cyan with bloom glow */
.section-title .highlight-word {
  background: linear-gradient(135deg, var(--clr-primary) 0%, rgba(var(--rgb-primary), 0.62) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 12px rgba(var(--rgb-primary), 0.48));
}

.section-desc {
  font-family: var(--font-body);
  font-size: clamp(0.88rem, 1.1vw, 1.05rem);
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 58ch;
  text-wrap: pretty;
}

/* ── BUTTONS ── */
.btn {
  position: relative;
  font-family: var(--font-ui);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  transition: all var(--trans-snap);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  overflow: hidden;
  isolation: isolate;
  font-feature-settings: var(--ffs-mono);
}

/* Diagonal scan-sheen sweep — premium CTA micro-interaction */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(var(--rgb-white), 0.08) 50%,
    transparent 65%
  );
  transform: translateX(-100%);
  transition: transform 0.5s var(--ease-out-expo);
  pointer-events: none;
}
.btn:hover::after { transform: translateX(200%); }

.btn-sm {
  font-size: clamp(0.5rem, 0.82vw, 0.6rem);
  padding: 0.5rem 1.25rem;
  letter-spacing: 0.24em;
}

.btn-lg {
  font-size: clamp(0.65rem, 1vw, 0.78rem);
  font-weight: 600;
  padding: clamp(0.55rem, 1.3vw, 0.78rem) clamp(1.2rem, 2.4vw, 2.5rem);
  clip-path: var(--clip-angle-md);
}

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-bg-dark);
  border: 1px solid var(--clr-primary);
  box-shadow: inset 0 1px 0 rgba(var(--rgb-white), 0.28);
}
.btn-primary:hover {
  background: var(--clr-text-main);
  border-color: var(--clr-text-main);
  box-shadow:
    0 0 32px rgba(var(--rgb-white), 0.2),
    0 0  8px rgba(var(--rgb-white), 0.4),
    inset 0 1px 0 rgba(var(--rgb-white), 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  color: var(--clr-primary);
  border: 1px solid rgba(var(--rgb-primary), 0.45);
}
.btn-outline:hover {
  background: var(--clr-text-main);
  color: var(--clr-bg-dark);
  border-color: var(--clr-text-main);
  box-shadow:
    0 0 24px rgba(var(--rgb-white), 0.18),
    inset 0 1px 0 rgba(var(--rgb-white), 0.25);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--clr-text-muted);
  border: 1px solid rgba(var(--rgb-white), 0.12);
  transition: all var(--trans-snap);
}
.btn-ghost:hover {
  background: rgba(var(--rgb-white), 0.05);
  border-color: rgba(var(--rgb-white), 0.28);
  color: var(--clr-text-main);
  box-shadow: inset 0 1px 0 rgba(var(--rgb-white), 0.07);
}

/* Fix: original had invalid `border: <color>` shorthand */
.btn-ghost--cyan {
  border: 1px solid var(--clr-border-hud);
  color: var(--clr-text-muted);
}
.btn-ghost--cyan:hover {
  background: rgba(var(--rgb-primary), 0.06);
  border-color: rgba(var(--rgb-primary), 0.4);
  color: var(--clr-primary);
  box-shadow: var(--shadow-glow-sm), inset 0 1px 0 rgba(var(--rgb-primary), 0.12);
}

/* ── BADGES & PILLS ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-ui);
  font-size: clamp(0.46rem, 0.8vw, 0.52rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  white-space: nowrap;
  font-feature-settings: var(--ffs-mono);
  font-variant-numeric: tabular-nums;
}
.badge-primary {
  border: 1px solid rgba(var(--rgb-primary), 0.28);
  color: var(--clr-primary);
  background: rgba(var(--rgb-primary), 0.07);
  box-shadow: inset 0 1px 0 rgba(var(--rgb-primary), 0.1);
}
.badge-gold {
  border: 1px solid rgba(var(--rgb-gold), 0.35);
  color: #ffd700;
  background: rgba(var(--rgb-gold), 0.07);
  box-shadow: inset 0 1px 0 rgba(var(--rgb-gold), 0.12);
}

.pill {
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background: transparent;
  color: var(--clr-text-muted);
  border: 1px solid rgba(var(--rgb-white), 0.09);
  padding: 0.52rem 1.3rem;
  font-size: clamp(0.5rem, 0.86vw, 0.62rem);
  transition: all var(--trans-snap);
  font-feature-settings: var(--ffs-mono);
  font-variant-numeric: tabular-nums;
}
.pill:hover, .pill.active {
  background: var(--clr-primary);
  color: var(--clr-bg-dark);
  border-color: var(--clr-primary);
  font-weight: 700;
  box-shadow: var(--shadow-glow-md);
  transform: translateY(-1px);
}

.pill-angle {
  background: var(--clr-primary);
  color: var(--clr-bg-dark);
  font-family: var(--font-ui);
  font-size: clamp(0.5rem, 0.92vw, 0.58rem);
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  clip-path: var(--clip-angle-sm);
  white-space: nowrap;
  font-feature-settings: var(--ffs-mono);
  box-shadow: var(--shadow-glow-sm);
}

/* ── CARDS ── */
/* Fix: original had invalid `border: <color>` shorthand */
.card {
  position: relative;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-hud);
  border-radius: var(--radius-sm);
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-card);
  transition: border-color var(--trans-snap), box-shadow var(--trans-snap);
}

/* Top-edge luminance hairline — primary depth cue */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-primary) 30%, var(--clr-primary) 70%, transparent);
  opacity: 0.32;
  pointer-events: none;
  z-index: 1;
  transition:
    opacity var(--trans-snap),
    left    var(--trans-snap),
    right   var(--trans-snap);
}

/* Interior ambient glow field */
.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 55%;
  background: linear-gradient(180deg, rgba(var(--rgb-primary), 0.025) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.card:hover {
  border-color: rgba(var(--rgb-primary), 0.32);
  box-shadow: var(--shadow-card), var(--shadow-glow-sm);
}
.card:hover::before {
  opacity: 0.72;
  left: 8%;
  right: 8%;
}

/* ── ANIMATIONS ── */
@keyframes pulse-dot {
  0% {
    box-shadow:
      0 0 0 0 rgba(var(--rgb-primary), 0.7),
      0 0 8px rgba(var(--rgb-primary), 0.28);
  }
  55% {
    box-shadow:
      0 0 0 7px rgba(var(--rgb-primary), 0),
      0 0 16px rgba(var(--rgb-primary), 0.08);
  }
  100% {
    box-shadow:
      0 0 0 0 rgba(var(--rgb-primary), 0),
      0 0 8px rgba(var(--rgb-primary), 0.28);
  }
}

/* Continuous background-position sweep for shimmering text effects */
@keyframes shimmer-text {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* Subtle CRT flicker — use sparingly on live indicators */
@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93%            { opacity: 0.8; }
  95%            { opacity: 1; }
  98%            { opacity: 0.88; }
  99%            { opacity: 1; }
}

/* Ripple ping for HUD dot indicators */
@keyframes hud-ping {
  0%   { transform: scale(1);   opacity: 0.9; }
  70%  { transform: scale(2.4); opacity: 0; }
  100% { transform: scale(2.4); opacity: 0; }
}