:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --fg: #f5f3ee;
  --fg-dim: #8a8780;
  --fg-muted: #4a4843;
  --accent: #ff5d2e;
  --border: rgba(245, 243, 238, 0.08);
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: none;
}

@media (hover: none), (max-width: 720px) {
  body { cursor: auto; }
  .cursor, .cursor-dot { display: none; }
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: italic; }

/* ===== Background grid canvas ===== */
#grid-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255, 93, 46, 0.08), transparent 60%),
    radial-gradient(900px 500px at 0% 100%, rgba(255, 93, 46, 0.05), transparent 60%);
}

/* ===== Custom cursor ===== */
.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1px solid rgba(245, 243, 238, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease), height 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
  mix-blend-mode: difference;
}
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 4px; height: 4px;
  background: var(--fg);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}
.cursor.is-hover {
  width: 56px; height: 56px;
  background: rgba(245, 243, 238, 0.08);
  border-color: rgba(245, 243, 238, 0.7);
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
  z-index: 50;
  mix-blend-mode: difference;
  color: var(--fg);
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.nav__logo-mark {
  display: inline-grid;
  place-items: center;
  color: var(--fg);
}
.nav__links {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: center;
  font-size: 0.9rem;
}
.nav__link {
  position: relative;
  padding: 0.4rem 0;
  color: var(--fg);
  opacity: 0.8;
  transition: opacity 0.3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav__link:hover { opacity: 1; }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__link--cta {
  padding: 0.55rem 1.1rem;
  border: 1px solid rgba(245, 243, 238, 0.25);
  border-radius: 999px;
  opacity: 1;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: var(--fg); color: var(--bg); }

@media (max-width: 560px) {
  .nav__link:not(.nav__link--cta) { display: none; }
}

/* ===== Layout ===== */
main {
  position: relative;
  z-index: 2;
}

.section, .hero, .cta {
  padding-inline: clamp(1.25rem, 6vw, 6rem);
  position: relative;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 8rem 4rem;
  position: relative;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 2.5rem;
}
.hero__dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 18px var(--accent);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 8.2vw, 8.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}
.line { display: block; overflow: hidden; }
.line--accent em { color: var(--accent); font-style: italic; }

.hero__lede {
  max-width: 540px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--fg-dim);
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: clamp(1.25rem, 6vw, 6rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.hero__scroll-line {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--fg-muted);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform: translateX(-100%);
  animation: scrollLine 2.6s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ===== Buttons ===== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform: translateY(100%);
  transition: transform 0.5s var(--ease);
  z-index: -1;
}
.btn:hover::before { transform: translateY(0); }
.btn--primary {
  background: var(--fg);
  color: var(--bg);
}
.btn--primary::before { background: var(--accent); }
.btn--primary:hover { color: var(--fg); }
.btn--ghost {
  border-color: rgba(245, 243, 238, 0.2);
  color: var(--fg);
}
.btn--ghost::before { background: var(--fg); }
.btn--ghost:hover { color: var(--bg); }
.btn--lg {
  padding: 1.1rem 2rem;
  font-size: 1rem;
}
.btn svg { transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

/* ===== Trust / logo wall ===== */
.trust {
  padding: clamp(4rem, 9vh, 7rem) clamp(1.25rem, 6vw, 6rem);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 2;
  background:
    radial-gradient(800px 200px at 50% 0%, rgba(255, 93, 46, 0.04), transparent 70%);
}
.trust__head {
  text-align: center;
  margin-bottom: 3rem;
}
.trust__tag {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.trust__dash {
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--fg-muted);
}
.trust__marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}
.trust__track {
  display: flex;
  width: max-content;
  animation: marquee 48s linear infinite;
}
.trust__marquee:hover .trust__track {
  animation-play-state: paused;
}
.trust__row {
  display: flex;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  padding-right: clamp(2.5rem, 5vw, 4.5rem);
  list-style: none;
  flex-shrink: 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--fg);
  opacity: 0.42;
  transition: opacity 0.45s var(--ease), color 0.45s var(--ease), transform 0.45s var(--ease), filter 0.45s var(--ease);
  white-space: nowrap;
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  flex-shrink: 0;
  cursor: none;
}
.logo:hover {
  opacity: 1;
  transform: translateY(-2px);
  filter: drop-shadow(0 0 14px rgba(255, 93, 46, 0.35));
  color: var(--accent);
}
.logo__mark {
  height: 22px;
  width: 22px;
  flex-shrink: 0;
}
.logo--italic {
  font-style: italic;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.logo--upper {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.92rem;
  font-weight: 600;
}
.logo--bold {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.16em;
}
.logo--serif {
  font-family: var(--serif);
  font-size: 1.7rem;
  letter-spacing: -0.01em;
}
.logo--serif em { font-style: italic; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .trust__track { animation: none; }
}

/* ===== Sections ===== */
.section {
  padding-block: clamp(5rem, 12vh, 10rem);
  border-top: 1px solid var(--border);
}
.section__head {
  max-width: 880px;
  margin-bottom: 4.5rem;
}
.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.75rem;
}
.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
}
.section__lede {
  max-width: 560px;
  font-size: clamp(0.98rem, 1.3vw, 1.1rem);
  color: var(--fg-dim);
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
@media (max-width: 820px) {
  .cards { grid-template-columns: 1fr; }
}
.card {
  background: var(--bg);
  padding: 2.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  min-height: 380px;
  position: relative;
  transition: background 0.5s var(--ease);
}
.card:hover { background: var(--bg-soft); }
.card__visual {
  height: 110px;
  color: var(--accent);
  opacity: 0.78;
  transition: opacity 0.5s var(--ease);
}
.card:hover .card__visual { opacity: 1; }
.card__visual svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
}

/* Improve — bars climbing */
.improve-bars .bar {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: improveBar 2.4s cubic-bezier(0.22, 1, 0.36, 1) infinite alternate;
}
.improve-bars .bar:nth-child(2) { animation-delay: 0.12s; }
.improve-bars .bar:nth-child(3) { animation-delay: 0.24s; }
.improve-bars .bar:nth-child(4) { animation-delay: 0.36s; }
@keyframes improveBar {
  0%   { transform: scaleY(0.18); opacity: 0.45; }
  100% { transform: scaleY(1);    opacity: 1; }
}

/* Accelerate — streaks racing right */
.accel-streaks .streak {
  animation: streakMove 1.4s linear infinite;
}
.accel-streaks .streak:nth-child(1) { animation-duration: 1.3s; animation-delay: 0s; }
.accel-streaks .streak:nth-child(2) { animation-duration: 1.6s; animation-delay: -0.45s; }
.accel-streaks .streak:nth-child(3) { animation-duration: 1.05s; animation-delay: -0.75s; }
@keyframes streakMove {
  0%   { transform: translateX(-70px); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(150px); opacity: 0; }
}

/* Replace — circle → arrow → square */
.replace-from {
  transform-box: fill-box;
  transform-origin: center;
  animation: replacePulseOut 2.8s cubic-bezier(0.22, 1, 0.36, 1) infinite alternate;
}
.replace-arrow {
  stroke-dasharray: 56;
  animation: replaceDraw 2.8s cubic-bezier(0.22, 1, 0.36, 1) infinite alternate;
}
.replace-to {
  transform-box: fill-box;
  transform-origin: center;
  animation: replacePulseIn 2.8s cubic-bezier(0.22, 1, 0.36, 1) infinite alternate;
}
@keyframes replacePulseOut {
  0%   { opacity: 1;    transform: scale(1); }
  100% { opacity: 0.28; transform: scale(0.78); }
}
@keyframes replaceDraw {
  0%   { stroke-dashoffset: 56; opacity: 0.25; }
  30%  { opacity: 1; }
  100% { stroke-dashoffset: 0;  opacity: 1; }
}
@keyframes replacePulseIn {
  0%   { opacity: 0.28; transform: scale(0.78); }
  100% { opacity: 1;    transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .improve-bars .bar,
  .accel-streaks .streak,
  .replace-from, .replace-arrow, .replace-to {
    animation: none;
  }
}
.card__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
  margin-top: auto;
}
.card__text {
  color: var(--fg-dim);
  font-size: 0.95rem;
  max-width: 28ch;
}
.card__bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 0%;
  background: var(--accent);
  transition: width 0.7s var(--ease);
}
.card:hover .card__bar { width: 100%; }

/* ===== Why / metrics ===== */
.section--why {
  background:
    linear-gradient(to bottom, transparent, rgba(255, 93, 46, 0.02), transparent);
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 3rem;
}
@media (max-width: 820px) {
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}
.metric { display: flex; flex-direction: column; gap: 0.4rem; }
.metric__value {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
}
.metric__unit {
  font-size: 0.55em;
  color: var(--accent);
  margin-left: 0.15em;
}
.metric__label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.metric__cite {
  margin-top: 0.7rem;
  font-size: 0.62rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  font-style: italic;
  max-width: 30ch;
}

/* ===== CTA ===== */
.cta {
  padding-block: clamp(8rem, 20vh, 14rem);
  text-align: center;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 80vmax; height: 80vmax;
  background: radial-gradient(circle, rgba(255, 93, 46, 0.06), transparent 60%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta__inner { position: relative; }
.cta__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 10vw, 9rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

/* ===== Footer ===== */
.footer {
  padding: 2rem clamp(1.25rem, 6vw, 6rem);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--fg-dim);
  position: relative;
  z-index: 2;
}
.footer__row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}
.footer__dot { color: var(--fg-muted); }

/* ===== Reveal initial states ===== */
[data-split] {
  display: inline-block;
  transform: translateY(110%);
  will-change: transform;
}
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  display: inline-block;
}
[data-fade] {
  opacity: 0;
  transform: translateY(20px);
}
[data-card] {
  opacity: 0;
  transform: translateY(40px);
}
[data-metric] {
  opacity: 0;
}