/* ==========================================================================
   ENTROPYFIT — Design System
   Palette: black / white, gold accent. Type: Fraunces (editorial serif,
   italic statement lines) + Barlow Condensed (labels/nav/headings) + Inter (body).
   ========================================================================== */

:root {
  --black: #0a0a0a;
  --black-soft: #141414;
  --charcoal: #1f1f1f;
  --white: #ffffff;
  --off-white: #f4f3f0;
  --gray: #8a8a86;
  --gray-line: #2a2a2a;
  --gray-line-light: #e2e0da;
  --gold: #c9a24a;
  --gold-bright: #e2c274;
  --gold-dim: #7a6229;

  --font-display: "Fraunces", "Georgia", serif;
  --font-heading: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1240px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 2px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, picture, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; }

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.05; letter-spacing: 0.01em; text-transform: none; }
.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--gold); display: inline-block; }

.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 0.98;
}

h1.display { font-size: clamp(2.6rem, 6.2vw, 5.4rem); }
h2.section-title { font-size: clamp(2rem, 4.4vw, 3.4rem); font-family: var(--font-heading); text-transform: uppercase; }
h2.section-title em { font-family: var(--font-display); font-style: italic; text-transform: none; font-weight: 500; }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

p.lede { font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.55; color: var(--gray); max-width: 42em; }

.gold { color: var(--gold); }
.on-dark { color: var(--white); }
.on-dark .gray-text, .on-dark p { color: #c7c6c2; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95rem 1.9rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
  white-space: nowrap;
}
.btn-gold { background: var(--gold); border-color: var(--gold); color: var(--black); }
.btn-gold:hover { background: var(--gold-bright); border-color: var(--gold-bright); }
.btn-outline-dark { color: var(--black); border-color: var(--black); }
.btn-outline-dark:hover { background: var(--black); color: var(--white); }
.btn-outline-light { color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline-light:hover { background: var(--white); color: var(--black); border-color: var(--white); }
.btn-arrow::after { content: "\2192"; transition: transform 0.3s var(--ease); }
.btn-arrow:hover::after { transform: translateX(4px); }

.btn { position: relative; overflow: hidden; }
.btn-ripple-fx {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
  transform: translate(-50%, -50%) scale(0);
  animation: btn-ripple 0.65s var(--ease) forwards;
  pointer-events: none;
}
@keyframes btn-ripple { to { transform: translate(-50%, -50%) scale(22); opacity: 0; } }

/* ---- Header ---- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding: 1.1rem 0;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.4s var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.logo-mark { font-family: var(--font-display); font-style: italic; font-size: 1.5rem; color: var(--white); line-height: 1; display: inline-flex; align-items: center; gap: 0.4rem; flex-shrink: 0; }
.logo-icon { width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(255,255,255,0.15); }
.logo-mark .fit { font-family: var(--font-heading); font-style: italic; font-weight: 700; text-transform: lowercase; color: var(--gold); letter-spacing: 0.01em; margin-left: 0.05em; }

.main-nav { display: flex; align-items: center; gap: clamp(0.85rem, 1.8vw, 2.2rem); flex-wrap: nowrap; }
.main-nav a {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #d8d7d2;
  position: relative;
  padding: 0.3rem 0;
}
.main-nav a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1px; background: var(--gold);
  transition: right 0.35s var(--ease);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--white); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: 1.1rem; }
.icon-link { width: 20px; height: 20px; color: #d8d7d2; transition: color 0.3s var(--ease); }
.icon-link:hover { color: var(--gold); }

.nav-toggle { display: none; width: 26px; height: 20px; position: relative; z-index: 110; }
.nav-toggle span { position: absolute; left: 0; right: 0; height: 2px; background: var(--white); transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 9px; }
.nav-toggle span:nth-child(3) { top: 18px; }

@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; top: 0; left: 0; right: 0; height: 100vh; z-index: 105;
    background: var(--black);
    flex-direction: column; justify-content: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform 0.45s var(--ease);
  }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav a { font-size: 1.6rem; }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
  .nav-actions .icon-link.desktop-only { display: none; }
}

/* ---- Hero / dot field ---- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  background: var(--black);
  overflow: hidden;
  padding-top: 6rem;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.85; }
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(201,162,74,0.10), transparent 55%),
              linear-gradient(180deg, rgba(10,10,10,0) 0%, rgba(10,10,10,0.55) 62%, rgba(10,10,10,0.96) 100%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding-block: clamp(3rem, 8vw, 6rem); }
.hero-content .eyebrow { margin-bottom: 1.4rem; }
.hero-content h1 { color: var(--white); margin-bottom: 1.4rem; }
.hero-content h1 .thin { font-weight: 300; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.hero-scroll { position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 2; color: #8a8a86; font-family: var(--font-heading); font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; }

/* ---- Dot halftone graphic (CSS-generated, brand mark motif) ---- */
.dot-orb {
  --dot-color: var(--black);
  --ring-color: var(--gold);
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  background-image: radial-gradient(circle, var(--dot-color) 1.6px, transparent 1.6px);
  background-size: 10px 10px;
  -webkit-mask-image: radial-gradient(circle, black 0%, black 42%, rgba(0,0,0,0.55) 66%, transparent 78%);
  mask-image: radial-gradient(circle, black 0%, black 42%, rgba(0,0,0,0.55) 66%, transparent 78%);
}
.dot-orb.on-dark { --dot-color: var(--white); }
.dot-orb.gold-dot { --dot-color: var(--gold); }

/* Ripple rings — the "pulse" motif: order radiating outward, fading into disorder */
.dot-orb::before, .dot-orb::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  border-radius: 50%;
  border: 1px solid var(--ring-color);
  opacity: 0;
  animation: dot-ripple 4.5s var(--ease) infinite;
  pointer-events: none;
}
.dot-orb::after { animation-delay: 2.25s; border-color: var(--dot-color); }
@keyframes dot-ripple {
  0%   { transform: scale(0.5); opacity: 0.6; }
  75%  { opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}

/* Standalone ripple accent — usable without the dot field */
.ripple-rings { position: absolute; inset: 0; pointer-events: none; }
.ripple-rings span {
  position: absolute; inset: 0; margin: auto;
  width: 100%; height: 100%;
  border-radius: 50%; border: 1px solid var(--gold);
  opacity: 0;
  animation: dot-ripple 4.5s var(--ease) infinite;
}
.ripple-rings span:nth-child(2) { animation-delay: 1.5s; border-color: var(--white); }
.ripple-rings span:nth-child(3) { animation-delay: 3s; }

/* ---- Sections ---- */
section { position: relative; }
.section-pad { padding-block: clamp(4rem, 9vw, 8rem); }
.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .eyebrow { margin-bottom: 1rem; }

.bg-black { background: var(--black); color: var(--white); }
.bg-off { background: var(--off-white); }
.bg-charcoal { background: var(--charcoal); color: var(--white); }

/* ---- Authority strip ---- */
.strip { border-top: 1px solid var(--gray-line-light); border-bottom: 1px solid var(--gray-line-light); }
.bg-black.strip, .bg-charcoal.strip { border-color: rgba(255,255,255,0.1); }
.strip .container { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.strip-item { padding: 2rem 1.5rem; text-align: center; border-left: 1px solid var(--gray-line-light); }
.bg-black .strip-item, .bg-charcoal .strip-item { border-color: rgba(255,255,255,0.1); }
.strip-item:first-child { border-left: none; }
.strip-num { font-family: var(--font-display); font-style: italic; font-size: clamp(2rem, 3.4vw, 3rem); color: var(--gold); display: block; margin-bottom: 0.3rem; }
.strip-label { font-family: var(--font-heading); font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); }
.bg-black .strip-label, .bg-charcoal .strip-label { color: #b8b7b2; }

/* ---- Cards / grid ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--gray-line-light);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.card:hover { border-color: var(--black); transform: translateY(-4px); }
.on-dark .card, .bg-black .card, .bg-charcoal .card { border-color: rgba(255,255,255,0.14); }
.on-dark .card:hover, .bg-black .card:hover, .bg-charcoal .card:hover { border-color: var(--gold); }
.card-index { font-family: var(--font-display); font-style: italic; font-size: 2.4rem; color: var(--gold); display: block; margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.02em; }
.card p { color: var(--gray); }
.bg-black .card p, .bg-charcoal .card p { color: #b8b7b2; }

.segment-card {
  position: relative;
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--gray-line-light);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 22rem;
  overflow: hidden;
}
.segment-card .dot-orb { position: absolute; top: -20%; right: -20%; width: 60%; opacity: 0.5; z-index: 0; }
.segment-card > * { position: relative; z-index: 1; }
.segment-card .eyebrow { margin-bottom: 0; }
.segment-card p { color: var(--gray); flex-grow: 1; }
.segment-card.dark { background: var(--black); color: var(--white); border-color: var(--gray-line); }
.segment-card.dark p { color: #c7c6c2; }

/* ---- Method list ---- */
.method-row {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--gray-line-light);
  align-items: start;
}
.method-row:last-of-type { border-bottom: 1px solid var(--gray-line-light); }
.on-dark .method-row, .bg-black .method-row, .bg-charcoal .method-row { border-color: rgba(255,255,255,0.12); }
.method-num { font-family: var(--font-display); font-style: italic; font-size: clamp(2rem, 4vw, 3rem); color: var(--gold); }
.method-row h3 { text-transform: uppercase; margin-bottom: 0.6rem; }
.method-row p { color: var(--gray); max-width: 42em; }
.bg-black .method-row p, .bg-charcoal .method-row p { color: #b8b7b2; }

/* ---- FAQ ---- */
.faq-item { border-bottom: 1px solid var(--gray-line-light); }
.on-dark .faq-item, .bg-black .faq-item, .bg-charcoal .faq-item { border-color: rgba(255,255,255,0.12); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 0;
  text-align: left;
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.faq-q .plus { font-family: var(--font-body); font-size: 1.4rem; color: var(--gold); transition: transform 0.3s var(--ease); flex-shrink: 0; margin-left: 1rem; }
.faq-item[open] .faq-q .plus { transform: rotate(45deg); }
.faq-a { padding-bottom: 1.5rem; color: var(--gray); max-width: 44em; }
.bg-black .faq-a, .bg-charcoal .faq-a { color: #b8b7b2; }

/* ---- Footer ---- */
.site-footer { background: var(--black); color: var(--white); padding-block: clamp(3rem, 6vw, 5rem) 2rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--gap); padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
@media (max-width: 800px) { .footer-top { grid-template-columns: 1fr 1fr; } }
.footer-brand p { color: #b8b7b2; margin-top: 1rem; max-width: 26em; }
.footer-col h4 { font-family: var(--font-heading); font-size: 0.85rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.1rem; }
.footer-col a, .footer-col li { display: block; color: #c7c6c2; margin-bottom: 0.7rem; font-size: 0.95rem; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-top: 1.6rem; font-size: 0.85rem; color: #8a8a86; }
.footer-social { display: flex; gap: 1rem; }
.footer-social a { width: 20px; height: 20px; color: #c7c6c2; }
.footer-social a:hover { color: var(--gold); }

/* ---- Page hero (interior pages) ---- */
.page-hero { background: var(--black); color: var(--white); padding-block: clamp(9rem, 14vw, 12rem) clamp(3rem, 6vw, 5rem); position: relative; overflow: hidden; }
.page-hero .dot-orb { position: absolute; top: -30%; right: -10%; width: 46%; opacity: 0.55; }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { font-family: var(--font-heading); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); margin-bottom: 1.5rem; }
.breadcrumb a:hover { color: var(--gold); }

/* ---- Utility ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.center { text-align: center; margin-inline: auto; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }
.flex-between { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag { font-family: var(--font-heading); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; border: 1px solid var(--gray-line-light); padding: 0.4rem 0.9rem; color: var(--gray); }
.on-dark .tag { border-color: rgba(255,255,255,0.2); color: #c7c6c2; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.figure-frame { position: relative; border: 1px solid var(--gray-line-light); padding: 2rem; }
.on-dark .figure-frame { border-color: rgba(255,255,255,0.15); }

.photo-frame { position: relative; overflow: hidden; }
.photo-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 62%;
  display: block;
  filter: grayscale(0.25) contrast(1.04);
}
.photo-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(10,10,10,0.38) 100%);
  pointer-events: none;
}
.photo-caption {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 1rem;
}

.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.photo-grid .photo-frame img { aspect-ratio: 3 / 4; }
@media (max-width: 760px) { .photo-grid { grid-template-columns: 1fr; } }

.chaos-canvas { width: 100%; aspect-ratio: 1; display: block; }

/* ---- Performance spectrum bar ---- */
.spectrum-bar { position: relative; height: 2px; margin-block: 3.5rem 2.5rem; }
.spectrum-track {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--gray-line-light) 0%, var(--black) 50%, var(--gold) 100%);
  border-radius: 2px;
}
.spectrum-point { position: absolute; top: 50%; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; gap: 0.85rem; }
.spectrum-point:first-child { align-items: flex-start; }
.spectrum-point:first-child .spectrum-label { transform: translateX(0); }
.spectrum-point:last-child { align-items: flex-end; }
.spectrum-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--black); border: 3px solid var(--white); box-shadow: 0 0 0 1px var(--gray-line-light); }
.spectrum-dot.gold { background: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.spectrum-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  white-space: nowrap;
  order: -1;
  margin-bottom: 0.4rem;
}
.spectrum-point:last-child .spectrum-label { color: var(--gold); }
@media (max-width: 640px) {
  .spectrum-label { font-size: 0.7rem; }
}
.chaos-caption {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  text-align: center;
  margin-top: 1.25rem;
}

.skip-link { position: absolute; left: -999px; top: 0; background: var(--gold); color: var(--black); padding: 0.75rem 1.25rem; z-index: 200; font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.08em; }
.skip-link:focus { left: 1rem; top: 1rem; }

.final-cta { background: var(--black); color: var(--white); text-align: center; padding-block: clamp(4rem, 10vw, 7rem); position: relative; overflow: hidden; }
.final-cta .dot-orb { position: absolute; inset: -20%; margin: auto; width: 70%; opacity: 0.35; }
.final-cta .container { position: relative; z-index: 1; }
.final-cta h2 { color: var(--white); }
.final-cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---- Forms (contact) ---- */
.form-field { margin-bottom: 1.5rem; }
.form-field label { display: block; font-family: var(--font-heading); font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.5rem; color: var(--gray); }
.form-field input, .form-field textarea {
  width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--gray-line-light);
  padding: 0.75rem 0.1rem; color: var(--black); font-size: 1.05rem;
  transition: border-color 0.3s var(--ease);
}
.on-dark .form-field input, .on-dark .form-field textarea { color: var(--white); border-color: rgba(255,255,255,0.25); }
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--gold); }