/* ==========================================================================
   Seb Griffin Marketing - Business Growth landing page
   Design Kit v4. v3 palette + ticker + asymmetric layout, plus hero motion,
   scroll reveals, micro-interactions and the growth calculator.
   ========================================================================== */

/* ---------- Self-hosted fonts (no third-party requests) ---------- */

@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/SpaceGrotesk-var.woff2") format("woff2-variations");
  font-weight: 300 700;
  font-display: swap;
}

@font-face {
  font-family: "Bebas Neue";
  src: url("fonts/BebasNeue-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-var.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
}

/* ---------- Tokens ---------- */

:root {
  --ink: #08090b;
  --panel: #101214;
  --panel-line: #1d2226;
  --paper: #f3f2ed;
  --muted: #9ca3a8;
  --signal: #35e0e8;
  --signal-deep: #0f6e77;

  /* Original gold brand, kept for a one-block revert if the blue drifts too
     far from the rest of the brand. Swap these four in to go back:
       --signal: #c8a96e;  --signal-deep: #5b4f38;
       --paper: #f0ede8;   --muted: #9c9793;                            */

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-stat: "Bebas Neue", "Haettenschweiler", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* One spacing scale, 8px base. Every margin, padding and gap comes from
     here so nothing drifts to an arbitrary one-off value. */
  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 32px;
  --s6: 48px;
  --s8: 64px;
  --s12: 96px;

  --h1: clamp(2.85rem, 8vw, 6.5rem);
  --h2: clamp(2rem, 5vw, 3.5rem);
  --h3: clamp(1.05rem, 1.7vw, 1.3rem);
  --eyebrow: 0.72rem;

  /* Section rhythm: one value, used by every section. */
  --section-y: clamp(var(--s8), 9vw, var(--s12));
  --wrap: 1240px;
  --gutter: clamp(var(--s3), 5vw, var(--s8));
  --cut: clamp(20px, 3vw, 56px);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.1vw, 1.0625rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--signal);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
  position: relative;
}

.section--panel {
  background: var(--panel);
}

/* A cut section needs its own background to clip. Clipping a transparent box
   shows the body background through and the diagonal never appears. */
.section--ink {
  background: var(--ink);
}

/* Diagonal transition. Every cut on the page uses this one rule, so the angle
   and direction are identical the whole way down and read as rhythm. */
.cut-top {
  clip-path: polygon(0 var(--cut), 100% 0, 100% 100%, 0 100%);
  margin-top: calc(var(--cut) * -1);
  padding-top: calc(var(--section-y) + var(--cut));
}

/* ---------- Type ---------- */

h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--paper);
  font-weight: 700;
  text-transform: uppercase;
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: var(--h1);
  line-height: 0.92;
  letter-spacing: -0.035em;
}

h2 {
  font-size: var(--h2);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

h3 {
  font-size: var(--h3);
  line-height: 1.2;
  letter-spacing: 0.005em;
}

p {
  text-wrap: pretty;
}

.eyebrow {
  font-family: var(--font-body);
  color: var(--signal);
  font-size: var(--eyebrow);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 var(--s3);
}

.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  max-width: 46ch;
  margin: var(--s3) 0 0;
}

.note {
  color: var(--muted);
  font-size: 0.875rem;
  opacity: 0.75;
}

.signal {
  color: var(--signal);
}

/* ---------- Arrow bullets ---------- */

.arrows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.arrows li {
  position: relative;
  padding-left: var(--s3);
  margin-bottom: var(--s1);
  font-size: 0.97rem;
}

.arrows li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--signal);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: var(--s2) var(--s4);
  border: 1px solid var(--signal);
  cursor: pointer;
  transition: transform 0.2s var(--ease), filter 0.2s var(--ease);
  font-family: var(--font-display);
}

.btn:hover {
  transform: scale(1.02);
  filter: brightness(1.12);
}

.btn:active {
  transform: scale(0.995);
}

.btn--block {
  width: 100%;
}

/* Hero CTA only: a slow, low-intensity pulse so it reads as alive. */
.btn--pulse {
  animation: cta-pulse 3s var(--ease) infinite;
}

@keyframes cta-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(53, 224, 232, 0.32);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(53, 224, 232, 0);
  }
}

/* ---------- Header ---------- */

.site-header {
  position: relative;
  z-index: 3;
  border-bottom: 1px solid var(--panel-line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding-block: var(--s2);
}

.brand-name {
  display: block;
  font-family: var(--font-display);
  color: var(--paper);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.header-meta {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* ---------- Progress rail: active table of contents ---------- */

.rail-nav {
  position: fixed;
  top: 50%;
  left: var(--s3);
  transform: translateY(-50%);
  z-index: 20;
  display: none;
  flex-direction: column;
  gap: var(--s2);
}

.rail-nav a {
  display: flex;
  align-items: center;
  gap: var(--s1);
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.4;
  transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}

.rail-nav a::before {
  content: "";
  width: 14px;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
  flex: none;
}

.rail-nav a:hover {
  opacity: 0.85;
}

.rail-nav a.is-active {
  opacity: 1;
  color: var(--signal);
}

.rail-nav a.is-active::before {
  width: 28px;
}

@media (min-width: 1480px) {
  .rail-nav {
    display: flex;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(var(--s8), 11vw, 160px) clamp(var(--s6), 7vw, var(--s12));
  overflow: hidden;
  isolation: isolate;
}

/* Cursor-reactive texture. Position is driven by --mx / --my from JS. */
.hero__glow {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    420px circle at var(--mx, 70%) var(--my, 35%),
    rgba(15, 110, 119, 0.28),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.hero__glow.is-lit {
  opacity: 1;
}

/* Ambient growth line, drawn on load. Abstract, not a literal chart. */
.hero__line {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.hero__line path {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.25;
  opacity: 0.5;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw-line 2.6s var(--ease) 0.35s forwards;
}

.hero__line circle {
  fill: var(--signal);
  opacity: 0;
  animation: dot-in 0.5s var(--ease) 2.7s forwards;
}

@keyframes draw-line {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes dot-in {
  to {
    opacity: 1;
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: var(--s4);
  align-items: end;
}

.hero h1 {
  max-width: 15ch;
}

/* Word-by-word reveal. Each word carries --i for its stagger step. */
.word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  animation: word-up 0.62s var(--ease) forwards;
  animation-delay: calc(var(--i) * 80ms);
}

.word--signal {
  color: var(--signal);
}

@keyframes word-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__aside {
  padding-bottom: var(--s1);
  border-left: 1px solid var(--panel-line);
  padding-left: var(--s3);
  opacity: 0;
  animation: word-up 0.7s var(--ease) 0.7s forwards;
}

.hero__aside p {
  margin: 0;
  font-size: 0.92rem;
}

.hero__cta {
  margin-top: clamp(var(--s6), 5vw, var(--s8));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2) var(--s4);
  opacity: 0;
  animation: word-up 0.7s var(--ease) 0.9s forwards;
}

.hero__cta .note {
  max-width: 30ch;
}

.hero__cue {
  display: flex;
  align-items: center;
  gap: var(--s1);
  margin-top: clamp(var(--s6), 6vw, var(--s8));
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0;
  animation: word-up 0.7s var(--ease) 1.15s forwards;
}

.hero__cue span {
  display: block;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--signal);
  border-bottom: 1.5px solid var(--signal);
  transform: rotate(45deg);
  animation: bob 1.9s var(--ease) infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: rotate(45deg) translate(0, 0);
  }
  50% {
    transform: rotate(45deg) translate(3px, 3px);
  }
}

/* ---------- Scroll reveals ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--i, 0) * 100ms);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Growth ticker ---------- */

.ticker {
  position: relative;
  border-block: 1px solid var(--panel-line);
  background: var(--panel);
  overflow: hidden;
  padding-block: var(--s3);
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker-scroll 64s linear infinite;
}

.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track {
  animation-play-state: paused;
}

@keyframes ticker-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.ticker__item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-inline: clamp(var(--s3), 3.5vw, var(--s6));
  border-left: 1px solid var(--panel-line);
  white-space: nowrap;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

/* Hovering the strip dims everything, then the hovered stat lifts back out. */
.ticker:hover .ticker__item {
  opacity: 0.4;
}

.ticker .ticker__item:hover {
  opacity: 1;
  transform: scale(1.045);
}

.ticker__label {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: 0.7;
}

.ticker__num {
  font-family: var(--font-stat);
  font-size: clamp(2.75rem, 5vw, 3.9rem);
  line-height: 0.9;
  color: var(--signal);
  letter-spacing: 0.01em;
  margin-block: var(--s1) 6px;
}

.ticker__cap {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  opacity: 0.8;
}

/* ---------- Rail layout (label left, content right) ---------- */

.rail {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
  gap: var(--s4) clamp(var(--s4), 6vw, var(--s12));
  align-items: start;
}

.rail__label {
  position: sticky;
  top: var(--s4);
}

.rail__label .eyebrow {
  margin-bottom: 0;
}

/* ---------- Pain ---------- */

.pain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pain-list li {
  padding: var(--s4) var(--s3) var(--s4) 0;
  border-top: 1px solid var(--panel-line);
  display: grid;
  grid-template-columns: var(--s6) minmax(0, 1fr);
  gap: var(--s1);
  align-items: baseline;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease);
}

.pain-list li:last-child {
  border-bottom: 1px solid var(--panel-line);
}

.pain-list li:hover {
  transform: translateY(-4px);
  border-top-color: var(--signal-deep);
  background: rgba(255, 255, 255, 0.014);
}

.pain-list__n {
  font-family: var(--font-stat);
  font-size: 1.5rem;
  color: var(--signal);
  opacity: 0.85;
  line-height: 1;
}

.pain-list h3 {
  margin-bottom: var(--s1);
}

.pain-list p {
  margin: 0;
  max-width: 60ch;
}

.payoff {
  margin-top: var(--s8);
  padding-left: var(--s4);
  border-left: 2px solid var(--signal);
}

.payoff h2 {
  max-width: 20ch;
}

.payoff p {
  max-width: 58ch;
  margin: var(--s3) 0 0;
}

/* ---------- Deep results ---------- */

.result {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--s6) clamp(var(--s4), 5vw, var(--s8));
  align-items: center;
  padding-block: clamp(var(--s6), 7vw, var(--s12));
  border-top: 1px solid var(--panel-line);
}

.result:first-of-type {
  border-top: 0;
  padding-top: var(--s4);
}

/* Figure moves left, so the wide column moves with it. */
.result--flip {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
}

.result--flip .result__figure {
  order: -1;
}

.result__num {
  font-family: var(--font-stat);
  font-size: clamp(4.5rem, 12vw, 9.5rem);
  line-height: 0.82;
  color: var(--signal);
  letter-spacing: 0.005em;
  display: block;
  font-variant-numeric: tabular-nums;
}

.result h3 {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  margin-top: var(--s3);
}

.result p {
  margin: var(--s2) 0 0;
  max-width: 44ch;
}

.result__client {
  display: inline-block;
  margin-top: var(--s3);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper);
  border-top: 1px solid var(--signal-deep);
  padding-top: var(--s1);
}

/* Screenshot framing: light UI on a dark page needs a deliberate window. */
.shot {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  padding: var(--s1);
  margin: 0;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.shot:hover {
  border-color: var(--signal-deep);
  transform: translateY(-4px);
}

/* height:auto is load-bearing. The imgs carry width/height attributes, so
   without it the attribute height wins and the screenshots stretch. */
.shot img {
  width: 100%;
  height: auto;
}

.shot--tall img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 560px;
  margin-inline: auto;
}

.shot__cap {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: var(--s2) var(--s1) 4px;
  opacity: 0.6;
}

/* ---------- Clients ---------- */

.people {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s6);
  margin-top: var(--s6);
  max-width: 980px;
  align-items: start;
}

.person {
  margin: 0;
  transition: transform 0.25s var(--ease);
}

.person:hover {
  transform: translateY(-4px);
}

/* Natural aspect ratio on purpose. These are shown whole, not cropped to a
   uniform tile, so the bottoms of the columns sit ragged. That is intended. */
.person img {
  width: 100%;
  height: auto;
  border: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.person:hover img {
  border-color: var(--signal-deep);
}

.person figcaption {
  margin-top: var(--s2);
  padding-top: var(--s2);
  border-top: 1px solid var(--panel-line);
}

.person__name {
  display: block;
  font-family: var(--font-display);
  color: var(--paper);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1rem;
}

.person__biz {
  display: block;
  color: var(--signal);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 6px;
}

.person p {
  margin: var(--s1) 0 0;
  font-size: 0.93rem;
}

/* ---------- Growth calculator ---------- */

.calc {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--s6) clamp(var(--s4), 5vw, var(--s8));
  align-items: start;
  margin-top: var(--s6);
}

.calc__controls {
  display: flex;
  flex-direction: column;
  gap: var(--s4);
}

.calc__field label {
  display: block;
  color: var(--paper);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--s2);
}

.calc__readout {
  font-family: var(--font-stat);
  font-size: 2rem;
  line-height: 1;
  color: var(--paper);
  margin-bottom: var(--s2);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  height: 28px;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  display: block;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--panel-line);
}

input[type="range"]::-moz-range-track {
  height: 2px;
  background: var(--panel-line);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -10px;
  background: var(--signal);
  border: 0;
  cursor: grab;
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--signal);
  border: 0;
  border-radius: 0;
  cursor: grab;
}

.calc__select {
  position: relative;
}

.calc__select select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: var(--ink);
  border: 1px solid var(--panel-line);
  color: var(--paper);
  font-family: inherit;
  font-size: 1rem;
  padding: var(--s2);
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}

.calc__select select:focus {
  outline: none;
  border-color: var(--signal);
}

.calc__select::after {
  content: "";
  position: absolute;
  right: var(--s2);
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--signal);
  border-bottom: 1.5px solid var(--signal);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.calc__out {
  background: var(--ink);
  border: 1px solid var(--panel-line);
  border-top: 2px solid var(--signal);
  padding: clamp(var(--s3), 4vw, var(--s6));
}

.calc__out-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: 0.75;
}

.calc__range {
  font-family: var(--font-stat);
  font-size: clamp(3.25rem, 9vw, 6rem);
  line-height: 0.85;
  color: var(--signal);
  margin: var(--s2) 0 0;
  font-variant-numeric: tabular-nums;
}

.calc__sub {
  margin: var(--s2) 0 0;
  font-size: 0.95rem;
}

.calc__disclaimer {
  margin: var(--s3) 0 0;
  padding-top: var(--s3);
  border-top: 1px solid var(--panel-line);
  font-size: 0.8rem;
  opacity: 0.7;
  max-width: 54ch;
}

.calc__cta {
  margin: var(--s3) 0 0;
  font-size: 0.95rem;
}

/* ---------- What's included ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--panel-line);
  border-bottom: 1px solid var(--panel-line);
  margin-top: var(--s6);
}

.pillar {
  padding: var(--s4) var(--s3);
  border-left: 1px solid var(--panel-line);
  text-align: left;
  transition: background 0.25s var(--ease);
}

.pillar:first-child {
  border-left: 0;
  padding-left: 0;
}

.pillar:hover {
  background: rgba(255, 255, 255, 0.016);
}

/* One icon spec everywhere: 24 viewBox, 1.5 stroke, no fill. */
.pillar svg,
.icon {
  width: 26px;
  height: 26px;
  stroke: var(--signal);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pillar svg {
  margin-bottom: var(--s2);
}

.pillar h3 {
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  line-height: 1.35;
}

.detail-cols {
  margin-top: var(--s6);
  columns: 3;
  column-gap: clamp(var(--s4), 4vw, var(--s6));
}

.detail-block {
  break-inside: avoid;
  margin-bottom: var(--s4);
}

.detail-block h3 {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--signal);
  margin-bottom: var(--s2);
}

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: var(--s6) clamp(var(--s4), 5vw, var(--s8));
  align-items: start;
}

.about__photo {
  position: relative;
  margin-left: calc(var(--gutter) * -1);
  min-height: 320px;
  background: var(--ink);
  overflow: hidden;
}

.about__photo img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

/* Feathers the photo into the panel instead of leaving a hard rectangle. */
.about__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(to right, var(--panel), transparent 22%),
    linear-gradient(to left, var(--panel), transparent 18%),
    linear-gradient(to top, var(--panel), transparent 18%),
    linear-gradient(to bottom, var(--panel), transparent 14%);
}

.about__ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.4;
  padding: var(--s2);
}

/* Baseline: the eyebrow's cap-height lines up with the top of the photo. */
.about__body {
  padding-top: 6px;
}

.about__body p {
  max-width: 52ch;
}

.about__body p:first-of-type {
  margin-top: var(--s3);
}

/* ---------- Pricing ---------- */

.pricing {
  text-align: center;
}

.pricing .lede {
  margin-inline: auto;
}

.price-card {
  position: relative;
  overflow: hidden;
  margin-top: var(--s6);
  padding: clamp(var(--s6), 6vw, var(--s12)) clamp(var(--s3), 4vw, var(--s8));
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-top: 2px solid var(--signal);
}

/* Light catching a surface. Fires once per hover, does not loop. */
.price-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent,
    rgba(53, 224, 232, 0.09),
    rgba(255, 255, 255, 0.05),
    transparent
  );
  transform: skewX(-14deg);
}

.price-card:hover::before {
  animation: sheen 0.95s var(--ease);
}

@keyframes sheen {
  to {
    left: 130%;
  }
}

.price {
  font-family: var(--font-stat);
  font-size: clamp(5rem, 16vw, 12rem);
  line-height: 0.8;
  color: var(--paper);
  letter-spacing: 0.01em;
  display: inline-block;
  position: relative;
}

.price::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 3px;
  background: var(--signal);
}

.price small {
  font-family: var(--font-body);
  font-size: 0.09em;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--muted);
  display: block;
  margin-top: var(--s3);
  text-transform: uppercase;
}

.price-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s6);
  text-align: left;
  margin-top: var(--s12);
  padding-top: var(--s6);
  border-top: 1px solid var(--panel-line);
}

.price-col h3 {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--signal);
  margin-bottom: var(--s2);
}

.pricing__foot {
  margin-top: var(--s6);
}

.pricing__foot .note {
  max-width: 62ch;
  margin: var(--s3) auto 0;
}

/* ---------- FAQ ---------- */

.faq {
  border-top: 1px solid var(--panel-line);
}

.faq details {
  border-bottom: 1px solid var(--panel-line);
  transition: background 0.25s var(--ease);
}

.faq details:hover {
  background: rgba(255, 255, 255, 0.014);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: var(--s3) var(--s6) var(--s3) 0;
  position: relative;
  font-family: var(--font-display);
  color: var(--paper);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  transition: color 0.2s var(--ease);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "";
  position: absolute;
  right: var(--s1);
  top: 50%;
  width: 11px;
  height: 11px;
  border-right: 1.5px solid var(--signal);
  border-bottom: 1.5px solid var(--signal);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.3s var(--ease);
}

.faq details[open] summary::after {
  transform: translateY(-25%) rotate(225deg);
}

.faq summary:hover {
  color: var(--signal);
}

/* Animated by JS via inline height, so it needs to clip while moving. */
.faq-body {
  overflow: hidden;
}

.faq-body__inner {
  padding: 0 0 var(--s3);
  max-width: 66ch;
}

.faq-body p {
  margin: 0 0 var(--s2);
}

.faq-body p:last-child {
  margin-bottom: 0;
}

/* ---------- Form ---------- */

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--s6) clamp(var(--s4), 5vw, var(--s8));
  align-items: start;
}

.form-card {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  padding: clamp(var(--s4), 3.5vw, var(--s6));
  transition: border-color 0.25s var(--ease);
}

.form-card:hover {
  border-color: #262c31;
}

.field {
  margin-bottom: var(--s3);
}

.field label {
  display: block;
  color: var(--paper);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--s1);
}

.field label span {
  opacity: 0.45;
  letter-spacing: 0.06em;
  text-transform: none;
}

.field input {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--panel-line);
  color: var(--paper);
  font-family: inherit;
  font-size: 1rem;
  padding: var(--s2);
  transition: border-color 0.2s var(--ease);
}

.field input::placeholder {
  color: var(--muted);
  opacity: 0.45;
}

.field input:focus {
  outline: none;
  border-color: var(--signal);
}

.form-foot {
  margin: var(--s2) 0 0;
  text-align: center;
}

.form-status {
  margin: var(--s2) 0 0;
  padding: var(--s2);
  font-size: 0.9rem;
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-ok {
  border: 1px solid var(--signal-deep);
  color: var(--signal);
}

.form-status.is-err {
  border: 1px solid #8a4b3c;
  color: #d99a86;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--panel-line);
  padding-block: var(--s6);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  opacity: 0.6;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s1) var(--s4);
  justify-content: space-between;
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover {
  color: var(--signal);
}

/* ---------- Utilities ---------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .detail-cols {
    columns: 2;
  }

  .price-cols {
    grid-template-columns: 1fr;
    gap: var(--s4);
    margin-top: var(--s8);
  }
}

/* Pillars 3-up. Ranged, not just max-width: the :nth-child selectors here
   outrank the plain .pillar rules in the 620 block, so without a lower bound
   they win at phone widths too and break the 2-up borders. */
@media (min-width: 621px) and (max-width: 1000px) {
  .pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pillar {
    border-top: 1px solid var(--panel-line);
  }

  .pillar:first-child,
  .pillar:nth-child(4) {
    border-left: 0;
    padding-left: 0;
  }

  .pillar:nth-child(-n + 3) {
    border-top: 0;
  }
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--s6);
  }

  .hero__aside {
    border-left: 0;
    border-top: 1px solid var(--panel-line);
    padding: var(--s3) 0 0;
  }

  .rail,
  .about,
  .form-grid,
  .result,
  .result--flip,
  .calc {
    grid-template-columns: 1fr;
  }

  .rail__label {
    position: static;
  }

  .result__figure,
  .result--flip .result__figure {
    order: 0;
  }

  .about__photo {
    margin-inline: calc(var(--gutter) * -1);
    min-height: 260px;
    max-height: 420px;
  }

  .about__body {
    padding-top: 0;
  }
}

@media (max-width: 820px) {
  .people {
    grid-template-columns: 1fr;
    gap: var(--s6);
  }

  .person {
    max-width: 420px;
    margin-inline: auto;
    width: 100%;
  }
}

@media (max-width: 620px) {
  .pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pillar {
    border-left: 1px solid var(--panel-line);
    border-top: 1px solid var(--panel-line);
  }

  .pillar:first-child,
  .pillar:nth-child(odd) {
    border-left: 0;
    padding-left: 0;
  }

  .pillar:nth-child(-n + 2) {
    border-top: 0;
  }

  .detail-cols {
    columns: 1;
  }

  .pain-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  /* Anything that starts hidden and is revealed by motion must be shown. */
  .word,
  .hero__aside,
  .hero__cta,
  .hero__cue,
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero__line path {
    stroke-dashoffset: 0;
  }

  .hero__line circle {
    opacity: 1;
  }

  .hero__glow {
    display: none;
  }

  .ticker {
    overflow-x: auto;
  }

  .ticker__track {
    animation: none;
    width: auto;
  }

  /* The duplicated run only exists to make the scroll seamless. */
  .ticker__track [data-ticker-clone] {
    display: none;
  }
}