/* ════════════════════════════════════════════════════════════════
   FULLSTACK PORTAL · Shared brand foundation
   ════════════════════════════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --green: #193f3b;
  --green-mid: #1a5c54;
  --green-dark: #0f3531;
  --milk: #fbfaf2;
  --white: #ffffff;
  --black: #0c1615;
  --cyan: #47c6b9;
  --cyan-bright: #5cfbf5;
  --cyan-deep: #2a8f85;

  --text-56: #0c16158f;
  --text-32: #0c161552;
  --text-16: #0c161528;
  --white-72: #ffffffb8;
  --white-48: #ffffff7a;
  --white-32: #ffffff52;
  --white-16: #ffffff29;
  --white-10: #ffffff1a;
  --white-6:  #ffffff0f;
  --white-4:  #ffffff0a;
  --green-4:  #193f3b0a;
  --green-10: #193f3b1a;
  --green-16: #193f3b29;
  --border-light: #e6eded;
  --border-dark: #ffffff1f;

  --radius-sm: 0.35rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;

  --grad-cyan-text:    linear-gradient(90deg, #47c6b9, #5cfbf5);
  --grad-green-cyan:   linear-gradient(90deg, #193f3b, #47c6b9);
  --grad-green-cyan-d: linear-gradient(135deg, #193f3b 0%, #1a5c54 40%, #47c6b9 100%);
  --grad-cyan-dot:     linear-gradient(135deg, #47c6b9, #5cfbf5);
  --grad-radial-cyan:  radial-gradient(circle at 70% 30%, rgba(92,251,245,0.35) 0%, transparent 55%);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  font-family: 'Inter Tight', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}
body { background: var(--milk); color: var(--black); line-height: 1.5; min-height: 100vh; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; font-family: inherit; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; }
img, svg { display: block; max-width: 100%; }

/* ─────────── Typography ─────────── */
.italic-serif {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400;
  font-size: 1.08em;
}
.italic-grad {
  font-family: 'Instrument Serif', serif;
  font-style: italic; font-weight: 400;
  font-size: 1.08em;
  background: var(--grad-cyan-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-right: 0.05em;
}
.text-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ─────────── Common atoms ─────────── */
.dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; flex-shrink: 0; display: inline-block; }
.dot-cyan  { background: var(--cyan); }
.dot-green { background: var(--green); }
.dot-grad  { background: var(--grad-cyan-dot); box-shadow: 0 0 8px var(--cyan); animation: pulse 1.8s ease-in-out infinite; }
.dot-live  { background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,0.18); animation: pulse 2s ease-in-out infinite; }

.kpi-label {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-56);
}
.kpi-val {
  font-size: 2rem; font-weight: 400;
  letter-spacing: -1.28px; line-height: 1;
  color: var(--black);
}
.kpi-delta { font-size: 0.78rem; font-weight: 500; letter-spacing: -0.14px; }
.kpi-delta.up   { color: var(--cyan-deep); }
.kpi-delta.down { color: #b9523e; }

.avatar {
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 600;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.avatar.sm  { width: 1.65rem; height: 1.65rem; font-size: 0.65rem; }
.avatar.md  { width: 2rem;    height: 2rem;    font-size: 0.72rem; }
.avatar.lg  { width: 2.5rem;  height: 2.5rem;  font-size: 0.82rem; }
.avatar.xl  { width: 3.25rem; height: 3.25rem; font-size: 0.9rem; }
.avatar.gradient { background: var(--grad-cyan-dot); color: var(--green); }
.avatar.green    { background: var(--green); color: var(--white); }
.avatar.cyan     { background: var(--cyan); color: var(--green); }
.avatar.milk     { background: var(--milk); color: var(--green); border: 1px solid var(--border-light); }
.avatar.outline-green { background: var(--white); color: var(--green); box-shadow: inset 0 0 0 1.5px var(--green); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: inherit;
  font-size: 0.85rem; font-weight: 500;
  letter-spacing: -0.14px;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  transition: all 0.18s var(--ease-out);
  cursor: pointer;
}
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn-grad {
  background: var(--grad-green-cyan);
  color: var(--white);
  background-size: 200% 100%;
  background-position: 0% 50%;
}
.btn-grad:hover { background-position: 100% 50%; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--green); border: 1px solid var(--border-light); }
.btn-outline:hover { border-color: var(--green); }
.btn-ghost { color: var(--green); }
.btn-ghost:hover { background: var(--green-4); }
.btn-pill { border-radius: 999px; }

/* Icon button */
.icon-btn {
  width: 2.25rem; height: 2.25rem;
  border-radius: 999px;
  display: grid; place-items: center;
  background: var(--milk);
  border: 1px solid var(--border-light);
  color: var(--green);
  transition: all 0.18s var(--ease-out);
  cursor: pointer;
}
.icon-btn:hover { background: var(--green-4); transform: translateY(-1px); }
.icon-btn svg { width: 1rem; height: 1rem; }

/* Tag / Pill */
.tag {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: -0.14px;
  width: fit-content;
}
.tag.green { background: var(--green-4); color: var(--green); }
.tag.cyan  { background: rgba(71,198,185,0.16); color: var(--cyan-deep); }
.tag.warn  { background: rgba(245,158,11,0.16); color: #b45309; }
.tag.live  { background: rgba(34,197,94,0.16); color: #15803d; }
.tag.grad  { background: var(--grad-green-cyan); color: var(--white); border: none; font-weight: 600; }

/* Card surface */
.surface {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}
.surface-dark {
  background: var(--grad-green-cyan-d);
  color: var(--white);
  border-radius: var(--radius-lg);
  position: relative; overflow: hidden;
}
.surface-dark::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.1) 0.75px, transparent 0.75px);
  background-size: 20px 20px;
  pointer-events: none; opacity: 0.45;
}
.surface-dark > * { position: relative; z-index: 1; }

/* Dot pattern utility */
.dot-pattern {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, var(--white-10) 0.75px, transparent 0.75px);
  background-size: 20px 20px;
  pointer-events: none; opacity: 0.45;
}
.dot-pattern.on-milk {
  background-image: radial-gradient(circle, var(--green-10) 0.75px, transparent 0.75px);
  opacity: 0.6;
}

/* Sparkline */
.spark { display: flex; align-items: flex-end; gap: 2px; height: 32px; }
.spark span { display: block; flex: 1; background: var(--cyan); border-radius: 2px; opacity: 0.5; transition: opacity 0.2s, transform 0.2s; }
.spark span:last-child { opacity: 1; }
.spark span.grow { animation: bar-grow 0.9s var(--ease-out) backwards; transform-origin: bottom; }

/* ════════════════════════════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════════════════════════════ */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.65; transform: scale(1.15); }
}
@keyframes pulse-ring {
  0%   { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(71,198,185,0.5); }
  70%  { transform: scale(1); box-shadow: 0 0 0 12px rgba(71,198,185,0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(71,198,185,0); }
}
@keyframes fade-up {
  0%   { opacity: 0; transform: translateY(16px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes slide-in-left {
  0%   { opacity: 0; transform: translateX(-12px); }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes slide-in-right {
  0%   { opacity: 0; transform: translateX(12px); }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes bar-grow {
  0%   { transform: scaleY(0); }
  100% { transform: scaleY(1); }
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(3%, -4%) scale(1.05); }
  66%      { transform: translate(-3%, 3%) scale(0.97); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes glow-orbit {
  0%   { transform: translate(-30%, -25%) scale(1.05); }
  25%  { transform: translate(20%, -20%) scale(1.18); }
  50%  { transform: translate(10%, 35%) scale(1.14); }
  75%  { transform: translate(-30%, 25%) scale(1.15); }
  100% { transform: translate(-30%, -25%) scale(1.05); }
}
@keyframes draw-line {
  0%   { stroke-dashoffset: var(--len, 1000); }
  100% { stroke-dashoffset: 0; }
}

/* Reveal-on-scroll helper (used with IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 60ms; }
.reveal-delay-2 { transition-delay: 120ms; }
.reveal-delay-3 { transition-delay: 180ms; }
.reveal-delay-4 { transition-delay: 240ms; }
.reveal-delay-5 { transition-delay: 300ms; }
.reveal-delay-6 { transition-delay: 360ms; }

/* Card hover */
.lift {
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}
.lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(25,63,59,0.08);
  border-color: rgba(71,198,185,0.4);
}

/* Glow halo */
.glow-cyan {
  position: relative;
}
.glow-cyan::before {
  content: '';
  position: absolute; inset: -60%;
  background: radial-gradient(circle, rgba(92,251,245,0.6) 0%, rgba(71,198,185,0) 65%);
  filter: blur(36px);
  z-index: -1;
  opacity: 0.5;
  animation: glow-orbit 18s linear infinite;
  pointer-events: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ════════════════════════════════════════════════════════════════
   PORTAL CHROME — used across variants for consistency
   ════════════════════════════════════════════════════════════════ */
.fs-logo-img { height: 1.15rem; width: auto; }
.fs-logo-img.invert { filter: brightness(0) invert(1); }

/* Back-to-index pill — hovers top-left on every variant */
.back-to-index {
  position: fixed;
  top: 1rem; left: 1rem;
  z-index: 9999;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0.95rem 0.45rem 0.55rem;
  background: rgba(12,22,21,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  color: var(--white);
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: -0.14px;
  transition: all 0.18s var(--ease-out);
}
.back-to-index:hover { background: rgba(12,22,21,0.95); transform: translateY(-1px); }
.back-to-index .arrow {
  display: inline-grid; place-items: center;
  width: 1.25rem; height: 1.25rem;
  border-radius: 999px;
  background: var(--cyan);
  color: var(--green);
}
.back-to-index .arrow svg { width: 0.7rem; height: 0.7rem; }
.back-to-index .v-tag {
  margin-left: 0.5rem;
  padding-left: 0.5rem;
  border-left: 1px solid rgba(255,255,255,0.15);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.65rem; letter-spacing: 0.08em;
  opacity: 0.7; text-transform: uppercase;
}