/* ============================================================
   C.F. Patel & Co — Design Tokens
   Bold futuristic: black + electric blue + neon mint accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&family=Instrument+Serif:ital@0;1&family=Cinzel:wght@400;500;600&display=swap');

:root {
  /* Type */
  --f-display: 'Instrument Serif', 'Times New Roman', serif;
  --f-sans: 'Geist', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --f-mono: 'Geist Mono', ui-monospace, monospace;
  --f-brand: 'Cinzel', 'Trajan Pro', 'Times New Roman', serif;

  /* Surfaces */
  --bg: #06070B;
  --bg-2: #0B0E16;
  --bg-3: #11151F;
  --line: rgba(255,255,255,0.07);
  --line-2: rgba(255,255,255,0.14);
  --line-3: rgba(255,255,255,0.22);

  /* Foreground — brighter for legibility on the dark ground */
  --fg: #FFFFFF;
  --fg-2: rgba(255,255,255,0.86);
  --fg-3: rgba(255,255,255,0.64);
  --fg-4: rgba(255,255,255,0.38);

  /* Light-section palette (used inside .section--light) */
  --fg-on-light: #0A0F1E;
  --fg-2-on-light: rgba(10,15,30,0.78);
  --fg-3-on-light: rgba(10,15,30,0.56);
  --line-on-light: rgba(10,15,30,0.10);
  --line-2-on-light: rgba(10,15,30,0.22);
  --bg-light: #FAFAF7;

  /* Brand — electric blue + soft cyan accent */
  --blue: #4D8BFF;          /* electric primary */
  --blue-2: #7FB0FF;
  --blue-deep: #0B4FBF;
  --blue-glow: rgba(77,139,255,0.55);

  /* Accent — sky/ice blue replaces the old mint */
  --mint: #6FB6FF;          /* (legacy var name; now a brighter blue) */
  --mint-2: #B9D8FF;
  --mint-glow: rgba(111,182,255,0.45);

  /* Signature copper from the cfpatelco wordmark — reserved for the firm's name only */
  --copper: #C8A070;
  --copper-2: #E0BC8E;
  --navy-mark: #2B3749;     /* the navy used behind the wordmark in the source logo */

  --warn: #FFB84D;
  --plasma: #B388FF;

  /* Easing + duration */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
  --d-fast: 160ms;
  --d-med: 280ms;
  --d-slow: 520ms;

  /* Radii */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Container widths */
  --pad-x: clamp(24px, 5vw, 80px);
}

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f-sans);
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--blue); color: #000; }

/* Type utilities */
.eyebrow {
  display: inline-flex; align-items: center; gap: 16px;
  font: 500 45px/1 var(--f-mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: rgb(31, 94, 118);
}
.eyebrow .pip {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint-glow);
  animation: pulse 2.4s var(--ease) infinite;
  flex: 0 0 auto;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.7); }
}

.h-display {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-feature-settings: "ss01";
  margin: 0;
}
.h-italic { font-style: italic; }
.h-grad {
  background: linear-gradient(135deg, var(--blue-2) 0%, var(--mint) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.mono { font-family: var(--f-mono); font-feature-settings: "tnum","zero"; }
.tnum { font-variant-numeric: tabular-nums; }

/* Layout primitives */
.container {
  width: 100%;
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
.container--wide { max-width: 1480px; }
.container--md { max-width: 1240px; }
.container--narrow { max-width: 880px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font: 500 13px/1 var(--f-mono);
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 16px 22px;
  border-radius: var(--r-pill);
  transition: transform var(--d-med) var(--ease), background var(--d-med) var(--ease), color var(--d-med) var(--ease), border-color var(--d-med) var(--ease);
  position: relative; overflow: hidden;
  cursor: pointer;
}
.btn--primary { background: var(--fg); color: var(--bg); }
.btn--primary:hover { transform: translateY(-2px); }
.btn--primary::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--blue), var(--mint));
  transform: scale(0); transform-origin: 50% 50%;
  border-radius: inherit;
  transition: transform var(--d-slow) var(--ease);
  z-index: 0;
}
.btn--primary > * { position: relative; z-index: 1; }
.btn--primary:hover::before { transform: scale(1.4); }

.btn--ghost {
  border: 1px solid var(--line-2);
  color: var(--fg);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(12px);
}
.btn--ghost:hover { border-color: var(--fg); transform: translateY(-2px); }

.btn--text {
  padding: 6px 0;
  border-bottom: 1px solid var(--line-2);
  border-radius: 0;
  color: var(--fg-2);
}
.btn--text:hover { color: var(--fg); border-bottom-color: var(--mint); }

.btn .arrow {
  display: inline-block; width: 14px; height: 14px;
  transition: transform var(--d-med) var(--ease);
}
.btn:hover .arrow { transform: translate(3px, -3px); }

/* Pill chip */
.chip {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 11px/1 var(--f-mono); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-2);
  padding: 9px 14px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(10px);
}
.chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--mint); box-shadow: 0 0 10px var(--mint-glow);
}

/* Reveal animation (IntersectionObserver) */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
[data-reveal][data-d="1"] { transition-delay: 80ms; }
[data-reveal][data-d="2"] { transition-delay: 160ms; }
[data-reveal][data-d="3"] { transition-delay: 240ms; }
[data-reveal][data-d="4"] { transition-delay: 320ms; }
[data-reveal][data-d="5"] { transition-delay: 400ms; }
[data-reveal][data-d="6"] { transition-delay: 480ms; }

/* Side rails (decorative thin verticals at edges) */
.rails { position: fixed; inset: 0; pointer-events: none; z-index: 4; }
.rails::before, .rails::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent, var(--line) 8%, var(--line) 92%, transparent);
}
.rails::before { left: 24px; }
.rails::after { right: 24px; }
@media (max-width: 900px) { .rails { display: none; } }

/* Page edge meta tickers */
.tickers {
  position: fixed; left: 0; right: 0;
  pointer-events: none; z-index: 5;
  font: 500 10px/1 var(--f-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-3);
  display: flex; justify-content: space-between;
  padding: 0 56px;
}
.tickers--top { top: 22px; }
.tickers--bot { bottom: 22px; }
.tickers .pulse::before {
  content: ""; display: inline-block;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--mint); box-shadow: 0 0 8px var(--mint-glow);
  margin-right: 8px; vertical-align: middle;
  animation: pulse 2.4s var(--ease) infinite;
}
@media (max-width: 900px) { .tickers { display: none; } }

/* Section frame */
.section {
  position: relative;
  padding: clamp(96px, 14vw, 200px) 0;
}
.section--tight { padding: clamp(64px, 10vw, 140px) 0; }

.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  padding-bottom: 40px;
  margin-bottom: clamp(48px, 7vw, 100px);
  border-bottom: 1px solid var(--line);
}
.section-head__num {
  font: 500 12px/1 var(--f-mono);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-3);
}
.section-head__title {
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(40px, 6vw, 92px);
  line-height: 0.96; letter-spacing: -0.035em;
  margin: 16px 0 0; max-width: 14ch;
}
.section-head__title em { font-style: italic; color: var(--mint); }

@media (max-width: 700px) {
  .section-head { grid-template-columns: 1fr; }
}