@font-face {
  font-family: "Raleway";
  src: url("../assets/fonts/Raleway-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Raleway";
  src: url("../assets/fonts/Raleway-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Raleway";
  src: url("../assets/fonts/Raleway-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Raleway";
  src: url("../assets/fonts/Raleway-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --black: #000;
  --black-soft: #080808;
  --ink: #101010;
  --graphite: #1b1b1b;
  --graphite-light: #242424;
  --mid: #858585;
  --silver: #a7a7a7;
  --light: #d6d6d6;
  --white: #fff;
  --line: rgba(255, 255, 255, 0.14);
  --line-soft: rgba(255, 255, 255, 0.08);
  --container: 1440px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --header-height: 5.5rem;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  background: var(--black);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--black);
  color: var(--light);
  font-family: "Raleway", Arial, sans-serif;
  font-feature-settings: "lnum" 1, "onum" 0;
  font-variant-numeric: lining-nums proportional-nums;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 20;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .04);
  pointer-events: none;
  content: "";
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

::selection {
  background: var(--white);
  color: var(--black);
}

:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 1rem;
  left: 1rem;
  padding: .75rem 1rem;
  transform: translateY(-180%);
  background: var(--white);
  color: var(--black);
  font-weight: 600;
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(3.5rem, 5vw, 5rem);
  overflow: clip;
  border-top: 1px solid var(--line-soft);
}

.eyebrow {
  margin: 0 0 1.75rem;
  color: var(--silver);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .22em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--mid);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, .6fr) minmax(0, 1.4fr);
  gap: 0 var(--gutter);
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.section-heading > .eyebrow {
  grid-column: 1 / -1;
}

.section-heading h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2.5rem, 5.7vw, 6.25rem);
  font-weight: 300;
  letter-spacing: -.055em;
  line-height: .98;
}

.section-heading h2 span {
  color: var(--mid);
}

.section-heading .section-intro {
  align-self: end;
  max-width: 38rem;
  margin: 2rem 0 .6rem;
  color: var(--silver);
  font-size: clamp(1rem, 1.45vw, 1.3rem);
  line-height: 1.55;
}

.section-heading.compact {
  display: block;
}

.section-heading.compact h2 {
  max-width: 65rem;
  font-size: clamp(2.4rem, 4.7vw, 5.2rem);
}

.section-heading.compact .section-intro {
  max-width: none;
}

.button {
  display: inline-flex;
  min-height: 3.5rem;
  align-items: center;
  justify-content: center;
  gap: .9rem;
  padding: .9rem 1.3rem;
  border: 1px solid var(--white);
  background: transparent;
  font-size: .77rem;
  font-weight: 600;
  letter-spacing: .07em;
  line-height: 1;
  text-transform: uppercase;
  transition: background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
}

.button:hover {
  transform: translateY(-2px);
}

.button-light {
  background: var(--white);
  color: var(--black);
}

.button-light:hover {
  background: var(--light);
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding-block: .55rem;
  color: var(--white);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.text-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  transform: scaleX(.25);
  transform-origin: left;
  background: currentColor;
  content: "";
  transition: transform .35s var(--ease);
}

.text-link:hover::after {
  transform: scaleX(1);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  border-color: var(--line-soft);
  background: rgba(0, 0, 0, .84);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.header-inner {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(100% - (var(--gutter) * 2), var(--container));
  height: var(--header-height);
  align-items: center;
  margin-inline: auto;
  grid-template-columns: minmax(12rem, 1fr) auto minmax(12rem, 1fr);
}

.brand {
  display: inline-block;
  width: clamp(10rem, 15vw, 14rem);
}

.brand img {
  width: 100%;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2vw, 2.4rem);
}

.desktop-nav a {
  position: relative;
  padding-block: .4rem;
  color: var(--light);
  font-size: .76rem;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  background: var(--white);
  content: "";
  transition: transform .25s ease;
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after {
  transform: scaleX(1);
}

.header-cta {
  justify-self: end;
  padding: .75rem 0 .75rem 1rem;
  color: var(--white);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.header-cta span {
  display: inline-block;
  margin-left: .5rem;
  transition: transform .25s ease;
}

.header-cta:hover span {
  transform: translate(3px, -3px);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  min-height: max(760px, 100svh);
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background:
    radial-gradient(circle at 83% 40%, rgba(255, 255, 255, .045), transparent 22%),
    var(--black);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, transparent calc(25% - 1px), rgba(255, 255, 255, .035) 25%, transparent calc(25% + 1px), transparent calc(50% - 1px), rgba(255, 255, 255, .035) 50%, transparent calc(50% + 1px), transparent calc(75% - 1px), rgba(255, 255, 255, .035) 75%, transparent calc(75% + 1px));
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 7.5rem;
}

.hero-eyebrow {
  margin-bottom: clamp(2rem, 4vh, 4rem);
}

.hero-title {
  max-width: 78rem;
  margin: 0;
  color: var(--white);
  font-size: clamp(3.15rem, 7.4vw, 8.5rem);
  font-weight: 300;
  letter-spacing: -.063em;
  line-height: .92;
}

.hero-line {
  display: block;
  opacity: 0;
  transform: translateY(1em);
  animation: line-in 1.1s var(--ease) forwards;
}

.hero-line:nth-child(2) {
  animation-delay: .11s;
}

.hero-line:nth-child(3) {
  animation-delay: .22s;
}

.hero-line-muted {
  color: #606060;
}

@keyframes line-in {
  to { opacity: 1; transform: translateY(0); }
}

.hero-bottom {
  display: flex;
  max-width: 74rem;
  align-items: flex-end;
  justify-content: space-between;
  gap: 3rem;
  margin-top: clamp(2.5rem, 6vh, 5rem);
}

.hero-copy {
  max-width: 44rem;
  margin: 0;
  color: var(--silver);
  font-size: clamp(1rem, 1.45vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 1.75rem;
}

.hero-mark {
  position: absolute;
  z-index: 0;
  top: 18%;
  right: 5%;
  width: min(31vw, 32rem);
  aspect-ratio: 1;
  opacity: .08;
  transform: rotate(2deg);
}

.hero-mark::before,
.hero-mark::after {
  position: absolute;
  top: 5%;
  width: 1px;
  height: 92%;
  background: var(--white);
  content: "";
  transform-origin: top;
}

.hero-mark::before {
  left: 50%;
  transform: rotate(24deg);
}

.hero-mark::after {
  right: 50%;
  transform: rotate(-24deg);
}

.hero-orbit {
  position: absolute;
  z-index: 0;
  top: 14%;
  right: -8rem;
  width: clamp(20rem, 42vw, 46rem);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, .045);
  border-radius: 50%;
}

.hero-rail {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  padding-inline: var(--gutter);
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(6, 1fr);
}

.hero-rail span {
  padding: 1.15rem .9rem;
  border-right: 1px solid var(--line-soft);
  color: var(--mid);
  font-size: .61rem;
  letter-spacing: .1em;
  text-align: center;
  text-transform: uppercase;
}

.hero-rail span:last-child {
  border-right: 0;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: 5.2rem;
  display: grid;
  place-items: center;
  gap: .45rem;
  color: var(--mid);
  font-size: .57rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.scroll-cue span {
  position: relative;
  width: 1px;
  height: 2.5rem;
  overflow: hidden;
  background: var(--line);
}

.scroll-cue span::after {
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  content: "";
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: translateY(0); }
  55%, 100% { transform: translateY(200%); }
}

/* About */
.about {
  background: var(--black-soft);
}

.about-grid {
  display: grid;
  align-items: stretch;
  grid-template-columns: minmax(0, .82fr) minmax(28rem, 1.18fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.metrics {
  display: grid;
  border-top: 1px solid var(--line);
}

.metric {
  display: grid;
  min-height: 10rem;
  align-items: center;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(7rem, .45fr) 1fr;
}

.metric strong {
  color: var(--white);
  font-size: clamp(3.5rem, 6vw, 6.8rem);
  font-weight: 300;
  letter-spacing: -.07em;
  line-height: 1;
}

.metric span {
  color: var(--silver);
  font-size: .9rem;
  letter-spacing: .04em;
}

.reach {
  position: relative;
  display: grid;
  min-height: 34rem;
  align-content: center;
  gap: 1.25rem;
  margin: 0;
  padding: 2rem;
  border: 1px solid var(--line-soft);
  background: var(--black);
}

.reach img {
  width: min(100%, 40rem);
  max-height: 37rem;
  margin-inline: auto;
  object-fit: contain;
}

.reach figcaption {
  position: static;
  max-width: none;
  margin: 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
  color: var(--mid);
  font-size: .68rem;
  line-height: 1.5;
  text-align: right;
}

/* Leadership */
.leadership {
  background: var(--black);
}

.leaders {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
}

.leader {
  display: grid;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  grid-template-columns: minmax(14rem, .72fr) minmax(0, 1fr);
  gap: 2rem;
}

.leader-portrait {
  overflow: hidden;
  width: 100%;
  margin: 0;
  aspect-ratio: 1 / 1;
  background: var(--graphite);
}

.leader-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leader-photo--camila {
  object-position: center 29%;
}

.leader-photo--jonatas {
  object-position: center 34%;
}

.leader-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.leader h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 400;
  letter-spacing: -.025em;
}

.leader .role {
  margin: .25rem 0 1.5rem;
  color: var(--mid);
  font-size: .64rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.leader-copy > p {
  margin: 0;
  color: var(--silver);
  font-size: .9rem;
  line-height: 1.7;
}

/* Solutions */
.solutions {
  background: var(--ink);
}

.solutions .section-heading {
  display: block;
}

.solutions .section-heading h2 {
  max-width: 68rem;
}

.journey {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
  color: var(--light);
  font-size: .67rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.journey i {
  color: var(--mid);
  font-style: normal;
}

.solution-explorer {
  display: grid;
  min-height: 38rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(22rem, .88fr) minmax(0, 1.12fr);
}

.solution-tabs {
  display: grid;
  border-right: 1px solid var(--line);
}

.solution-tab {
  display: grid;
  min-height: 6.2rem;
  align-items: center;
  padding: 1rem 1.5rem;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--mid);
  text-align: left;
  grid-template-columns: 3rem minmax(0, .9fr) minmax(0, 1fr);
  gap: 1rem;
  transition: background .3s ease, color .3s ease;
}

.solution-tab:last-child {
  border-bottom: 0;
}

.solution-tab span {
  font-size: .65rem;
  letter-spacing: .1em;
}

.solution-tab strong {
  font-size: 1rem;
  font-weight: 400;
}

.solution-tab small {
  font-size: .72rem;
  line-height: 1.4;
}

.solution-tab:hover {
  background: rgba(255, 255, 255, .035);
  color: var(--light);
}

.solution-tab.is-active {
  background: var(--white);
  color: var(--black);
}

.solution-panel {
  display: grid;
  align-content: space-between;
  padding: clamp(2rem, 5vw, 5rem);
  grid-template-columns: 6rem 1fr;
  gap: 2rem;
}

.panel-number {
  margin: 0;
  color: var(--mid);
  font-size: .7rem;
  letter-spacing: .12em;
}

.solution-panel h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2.8rem, 5vw, 5.8rem);
  font-weight: 300;
  letter-spacing: -.055em;
  line-height: 1;
}

.panel-lead {
  max-width: 34rem;
  margin: 1.5rem 0 3rem;
  color: var(--silver);
  font-size: 1.05rem;
}

.solution-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.solution-panel li {
  position: relative;
  padding: .85rem 0 .85rem 1.4rem;
  border-top: 1px solid var(--line-soft);
  color: var(--light);
  font-size: .86rem;
}

.solution-panel li::before {
  position: absolute;
  top: 1.25rem;
  left: .1rem;
  width: .34rem;
  height: .34rem;
  border-radius: 50%;
  background: var(--white);
  content: "";
}

.solution-panel.is-changing > div {
  animation: panel-in .45s var(--ease);
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(1rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* Method */
.method {
  background: var(--black);
}

.method-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(3, 1fr);
}

.method-steps li {
  min-height: 25rem;
  padding: 2rem;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.method-steps li:last-child {
  border-right: 0;
}

.method-steps li {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.step-number {
  color: var(--graphite-light);
  font-size: clamp(4rem, 8vw, 8.5rem);
  font-weight: 300;
  letter-spacing: -.07em;
  line-height: 1;
  transition: color .35s ease;
}

.method-steps li:hover .step-number {
  color: var(--white);
}

.method-steps h3 {
  margin: 0 0 .8rem;
  color: var(--white);
  font-size: 1.65rem;
  font-weight: 400;
}

.method-steps p {
  max-width: 22rem;
  margin: 0;
  color: var(--mid);
  font-size: .9rem;
}

/* Advantages */
.advantages {
  background: var(--black-soft);
}

.advantage-grid {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.advantage {
  min-height: 14rem;
  padding: 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.advantage > span {
  display: block;
  margin-bottom: 3rem;
  color: var(--mid);
  font-size: .65rem;
  letter-spacing: .1em;
}

.advantage h3 {
  margin: 0 0 .7rem;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 500;
}

.advantage p {
  margin: 0;
  color: var(--mid);
  font-size: .8rem;
}

/* Method evidence */
.method-proof {
  display: grid;
  margin-top: clamp(2.5rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--black-soft);
  grid-template-columns: minmax(15rem, .72fr) minmax(0, 1.28fr);
}

.method-proof-copy {
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.method-proof-copy h3 {
  max-width: 25rem;
  margin: 0 0 1rem;
  color: var(--white);
  font-size: clamp(1.55rem, 2.2vw, 2.5rem);
  font-weight: 300;
  letter-spacing: -.035em;
  line-height: 1.1;
}

.method-proof-copy p {
  max-width: 29rem;
  margin: 0;
  color: var(--mid);
  font-size: .82rem;
  line-height: 1.65;
}

.method-proof-data {
  display: grid;
  align-content: space-between;
}

.method-proof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.method-proof-stats article {
  min-height: 11rem;
  padding: 2rem 1.5rem;
  border-right: 1px solid var(--line-soft);
}

.method-proof-stats article:last-child {
  border-right: 0;
}

.method-proof-stats strong {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--white);
  font-size: clamp(2.25rem, 3.6vw, 4rem);
  font-weight: 300;
  letter-spacing: -.06em;
  line-height: 1;
}

.method-proof-stats span {
  display: block;
  color: var(--silver);
  font-size: .72rem;
  line-height: 1.5;
}

.method-proof-data small {
  display: block;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--line-soft);
  color: #626262;
  font-size: .58rem;
}

/* Clients */
.clients {
  background: var(--ink);
}

.logo-marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  mask-image: linear-gradient(to right, transparent, #000 3%, #000 97%, transparent);
}

.logo-track {
  display: flex;
  width: max-content;
  animation: logo-scroll 48s linear infinite;
  will-change: transform;
}

.logo-marquee:hover .logo-track {
  animation-play-state: paused;
}

.logo-grid {
  display: flex;
  flex: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.logo-grid li {
  display: grid;
  flex: 0 0 clamp(12rem, 16vw, 17rem);
  min-height: 11rem;
  place-items: center;
  padding: 2rem;
  border-right: 1px solid var(--line);
  transition: background .3s ease;
}

.logo-grid li:hover {
  background: rgba(255, 255, 255, .035);
}

.logo-grid img {
  width: 100%;
  max-width: 10rem;
  max-height: 5.5rem;
  object-fit: contain;
  opacity: .72;
  filter: grayscale(1);
  transition: opacity .3s ease, transform .3s ease;
}

.logo-grid li:hover img {
  opacity: 1;
  transform: scale(1.03);
}

@keyframes logo-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* Energy */
.energy {
  background: var(--black);
}

.energy-page {
  display: grid;
  min-height: 100svh;
  align-items: center;
  padding-top: calc(var(--header-height) + clamp(3rem, 6vw, 6rem));
}

.energy-grid {
  display: grid;
  min-height: 38rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: 1.1fr .9fr;
}

.energy-offer,
.energy-example {
  padding: clamp(2rem, 5vw, 5rem);
}

.energy-offer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--line);
}

.energy-offer h1,
.energy-offer h2 {
  max-width: 42rem;
  margin: 0;
  color: var(--white);
  font-size: clamp(2.5rem, 4.7vw, 5.4rem);
  font-weight: 300;
  letter-spacing: -.055em;
  line-height: 1.02;
}

.energy-offer h1 strong,
.energy-offer h2 strong {
  font-size: 1.55em;
  font-weight: 300;
}

.energy-offer > p:not(.eyebrow) {
  max-width: 35rem;
  margin: 2rem 0;
  color: var(--mid);
}

.energy-offer .text-link {
  align-self: flex-start;
}

.energy-example {
  align-self: center;
  background: var(--ink);
}

.bill-row {
  display: grid;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-soft);
  grid-template-columns: 8rem 1fr 5rem;
  gap: 1rem;
}

.bill-row span,
.bill-row strong {
  color: var(--silver);
  font-size: .72rem;
  font-weight: 400;
}

.bill-row i {
  display: block;
  height: .8rem;
  background: var(--graphite-light);
}

.bill-row b {
  display: block;
  width: var(--width);
  height: 100%;
  background: #5b5b5b;
}

.bill-row:nth-of-type(2) b {
  background: var(--white);
}

.saving {
  margin: 3rem 0;
}

.saving strong,
.saving span {
  display: block;
}

.saving strong {
  color: var(--white);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 300;
  letter-spacing: -.06em;
  line-height: 1;
}

.saving span {
  margin-top: .5rem;
  color: var(--mid);
  font-size: .75rem;
}

.energy-example ol {
  display: grid;
  margin: 0 0 2rem;
  padding: 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
  counter-reset: energy;
  grid-template-columns: repeat(3, 1fr);
}

.energy-example li {
  padding: 1.1rem .8rem 1.1rem 0;
  color: var(--silver);
  counter-increment: energy;
  font-size: .65rem;
}

.energy-example li::before {
  display: block;
  margin-bottom: .45rem;
  color: var(--white);
  content: "0" counter(energy);
  font-size: .55rem;
  letter-spacing: .12em;
}

.energy-example small {
  color: #626262;
  font-size: .61rem;
}

/* Contact */
.contact {
  padding-bottom: clamp(5rem, 8vw, 8rem);
  background: var(--black-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(32rem, 1.1fr);
  gap: clamp(4rem, 8vw, 9rem);
}

.contact-copy h2 {
  max-width: 45rem;
  margin: 0;
  color: var(--white);
  font-size: clamp(2.7rem, 5.4vw, 6rem);
  font-weight: 300;
  letter-spacing: -.06em;
  line-height: 1;
}

.contact-copy h2 span {
  color: var(--mid);
}

.contact-copy > p:not(.eyebrow) {
  max-width: 36rem;
  margin: 2.5rem 0 4rem;
  color: var(--silver);
  font-size: 1rem;
}

.contact-direct {
  border-top: 1px solid var(--line);
}

.contact-direct a,
.contact-direct p {
  display: grid;
  margin: 0;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line-soft);
  grid-template-columns: minmax(8rem, .6fr) 1fr;
  gap: 1rem;
}

.contact-direct span {
  color: var(--mid);
  font-size: .58rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.contact-direct strong {
  color: var(--light);
  font-size: .85rem;
  font-weight: 400;
  word-break: break-word;
}

.contact-direct a:hover strong {
  color: var(--white);
}

.contact-form {
  align-self: start;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border: 1px solid var(--line);
  background: var(--ink);
}

.form-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.form-header .eyebrow {
  margin: 0;
  color: var(--white);
}

.form-header > p:last-child {
  max-width: 16rem;
  margin: 0;
  color: var(--mid);
  font-size: .72rem;
  text-align: right;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.field {
  position: relative;
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: .55rem;
  color: var(--silver);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .06em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.5rem;
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--black);
  color: var(--white);
  font-size: .82rem;
  outline: 0;
  transition: border-color .25s ease, background .25s ease;
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--silver) 50%), linear-gradient(135deg, var(--silver) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #555;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--white);
}

.field.has-error input,
.field.has-error select {
  border-color: #b8b8b8;
  background: #171717;
}

.field-error {
  display: block;
  min-height: .95rem;
  margin-top: .3rem;
  color: var(--light);
  font-size: .58rem;
}

.form-submit {
  width: 100%;
  margin-top: .5rem;
}

.form-submit:disabled {
  cursor: wait;
  opacity: .62;
}

.form-trap {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.form-status {
  min-height: 1rem;
  margin: .85rem 0 0;
  color: var(--silver);
  font-size: .65rem;
  text-align: center;
}

.form-status.is-success {
  color: var(--white);
}

.form-status.is-error {
  color: var(--light);
}

.form-whatsapp {
  width: 100%;
  margin-top: .85rem;
  border: 1px solid var(--silver);
  color: var(--white);
  text-align: center;
}

.form-whatsapp:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.form-whatsapp[hidden] {
  display: none;
}

.form-fields[hidden],
.form-success[hidden] {
  display: none;
}

.form-success {
  display: flex;
  min-height: 30rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: clamp(2rem, 5vw, 4rem);
  text-align: center;
  animation: form-success-in .55s var(--ease) both;
}

.form-success:focus {
  outline: 0;
}

.form-success-mark {
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  place-items: center;
  margin-bottom: 2rem;
  border: 1px solid var(--silver);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.25rem;
}

.form-success .eyebrow {
  margin-bottom: 1.25rem;
  color: var(--silver);
}

.form-success h3 {
  max-width: 30rem;
  margin: 0;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 300;
  line-height: 1.05;
}

.form-success > p:not(.eyebrow) {
  max-width: 28rem;
  margin: 1.25rem 0 2rem;
  color: var(--silver);
  line-height: 1.7;
}

.form-success-whatsapp {
  width: min(100%, 25rem);
}

@keyframes form-success-in {
  from { opacity: 0; transform: translateY(.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

.form-note {
  margin: .45rem 0 0;
  color: #5d5d5d;
  font-size: .6rem;
  text-align: center;
}

/* Footer */
.site-footer {
  padding-top: 5rem;
  background: var(--black);
}

.footer-top {
  display: grid;
  min-height: 10rem;
  align-items: start;
  padding-bottom: 4rem;
  grid-template-columns: 1fr 1fr auto;
  gap: 3rem;
}

.footer-brand {
  width: min(18rem, 100%);
}

.footer-top > p {
  max-width: 24rem;
  margin: 0;
  color: var(--mid);
  font-size: .82rem;
}

.back-to-top {
  color: var(--light);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.back-to-top span {
  margin-left: .5rem;
}

.footer-bottom {
  display: grid;
  padding-block: 1.3rem;
  border-top: 1px solid var(--line-soft);
  color: #5b5b5b;
  font-size: .58rem;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 2rem;
}

.footer-bottom p,
.footer-bottom address {
  margin: 0;
  font-style: normal;
}

.footer-bottom address {
  text-align: right;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    position: relative;
    display: block;
    width: 2.8rem;
    height: 2.8rem;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .menu-toggle span {
    position: absolute;
    right: .3rem;
    width: 1.8rem;
    height: 1px;
    background: var(--white);
    transition: transform .3s ease, top .3s ease;
  }

  .menu-toggle span:first-child { top: 1.1rem; }
  .menu-toggle span:last-child { top: 1.7rem; }

  .site-header.is-open .menu-toggle span:first-child {
    top: 1.4rem;
    transform: rotate(45deg);
  }

  .site-header.is-open .menu-toggle span:last-child {
    top: 1.4rem;
    transform: rotate(-45deg);
  }

  .mobile-menu {
    position: absolute;
    z-index: 0;
    top: 100%;
    right: 0;
    left: 0;
    display: flex;
    height: calc(100svh - var(--header-height));
    overflow-y: auto;
    padding: 3rem var(--gutter);
    flex-direction: column;
    background: var(--black);
  }

  .mobile-menu[hidden] {
    display: none;
  }

  .mobile-menu > a:not(.button) {
    padding: 1rem 0;
    border-bottom: 1px solid var(--line-soft);
    color: var(--light);
    font-size: clamp(1.6rem, 5vw, 3rem);
    font-weight: 300;
    letter-spacing: -.03em;
    line-height: 1.1;
  }

  .mobile-menu .button {
    margin-top: auto;
  }

  .hero-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .scroll-cue {
    display: none;
  }

  .about-grid {
    grid-template-columns: .75fr 1.25fr;
    gap: 3rem;
  }

  .leader {
    grid-template-columns: minmax(8rem, .7fr) 1fr;
  }

  .solution-tab {
    grid-template-columns: 2.5rem 1fr;
  }

  .solution-tab small {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr 1.12fr;
    gap: 3rem;
  }
}

@media (max-width: 900px) {
  .section-heading {
    display: block;
  }

  .section-heading .section-intro {
    max-width: 35rem;
  }

  .hero {
    min-height: 780px;
  }

  .hero-inner {
    padding-bottom: 9rem;
  }

  .hero-title {
    font-size: clamp(3.4rem, 10.5vw, 6rem);
  }

  .hero-rail {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-rail span:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line-soft);
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .metric {
    min-height: 9rem;
    padding: 1rem;
    border-right: 1px solid var(--line);
    grid-template-columns: 1fr;
  }

  .metric:last-child {
    border-right: 0;
  }

  .metric span {
    font-size: .7rem;
  }

  .reach {
    min-height: 28rem;
  }

  .leaders {
    grid-template-columns: 1fr;
  }

  .solution-explorer {
    grid-template-columns: 1fr;
  }

  .solution-tabs {
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    scrollbar-width: thin;
  }

  .solution-tab {
    min-width: 13rem;
    border-right: 1px solid var(--line-soft);
    border-bottom: 0;
    grid-template-columns: 2rem 1fr;
  }

  .solution-panel {
    min-height: 32rem;
  }

  .method-steps li {
    min-height: 22rem;
  }

  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .method-proof {
    grid-template-columns: 1fr;
  }

  .method-proof-copy {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .energy-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .energy-offer {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .contact-copy {
    max-width: 48rem;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .back-to-top {
    justify-self: end;
  }

  .footer-top > p {
    grid-row: 2;
  }

  .footer-bottom {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom address {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 4.7rem;
    --gutter: 1.1rem;
  }

  .section {
    padding-block: 3.5rem;
  }

  .section-heading {
    margin-bottom: 2.5rem;
  }

  .section-heading h2,
  .section-heading.compact h2 {
    font-size: clamp(2.45rem, 12vw, 4rem);
  }

  .brand {
    width: 10.5rem;
  }

  .hero {
    min-height: 740px;
  }

  .hero::before {
    background-image: linear-gradient(90deg, transparent calc(50% - 1px), rgba(255, 255, 255, .035) 50%, transparent calc(50% + 1px));
  }

  .hero-inner {
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 10.5rem;
  }

  .hero-title {
    max-width: 20ch;
    font-size: clamp(3.1rem, 14vw, 5rem);
    line-height: .94;
  }

  .hero-copy {
    font-size: .95rem;
  }

  .hero-actions {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
    gap: .9rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-mark {
    top: 12%;
    right: -12%;
    width: 60vw;
  }

  .hero-rail {
    padding-inline: 0;
  }

  .hero-rail span {
    padding: .8rem .25rem;
    font-size: .48rem;
  }

  .metrics {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 7.5rem;
    border-right: 0;
    grid-template-columns: 8rem 1fr;
  }

  .metric strong {
    font-size: 4.2rem;
  }

  .reach {
    min-height: 23rem;
    padding: 1rem;
  }

  .reach figcaption {
    display: none;
  }

  .leader {
    grid-template-columns: 7.5rem 1fr;
    gap: 1.2rem;
  }

  .leader-copy > p {
    font-size: .78rem;
  }

  .journey {
    align-items: flex-start;
    flex-direction: column;
    gap: .45rem;
  }

  .journey i {
    display: none;
  }

  .solution-explorer {
    min-height: auto;
  }

  .solution-panel {
    min-height: 34rem;
    padding: 2rem 1.1rem;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .solution-panel h3 {
    font-size: 3.4rem;
  }

  .method-steps {
    grid-template-columns: 1fr;
  }

  .method-steps li {
    min-height: 18rem;
    padding: 1.5rem 0;
    border-right: 0;
  }

  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .advantage {
    min-height: auto;
  }

  .advantage > span {
    margin-bottom: 1.8rem;
  }

  .method-proof-copy {
    padding: 1.5rem;
  }

  .method-proof-stats {
    grid-template-columns: 1fr;
  }

  .method-proof-stats article {
    min-height: auto;
    padding: 1.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .method-proof-stats article:last-child {
    border-bottom: 0;
  }

  .logo-grid li {
    min-height: 8rem;
    padding: 1.2rem;
  }

  .energy-offer,
  .energy-example {
    padding: 2rem 1.2rem;
  }

  .energy-offer h1,
  .energy-offer h2 {
    font-size: 2.8rem;
  }

  .bill-row {
    grid-template-columns: 6.5rem 1fr;
  }

  .bill-row strong {
    grid-column: 2;
  }

  .energy-example ol {
    grid-template-columns: 1fr;
  }

  .energy-example li {
    border-bottom: 1px solid var(--line-soft);
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form {
    padding: 1.2rem;
  }

  .form-header {
    align-items: flex-start;
    flex-direction: column;
    gap: .5rem;
  }

  .form-header > p:last-child {
    text-align: left;
  }

  .contact-direct a,
  .contact-direct p {
    grid-template-columns: 1fr;
    gap: .35rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-top > p {
    grid-row: auto;
  }

  .back-to-top {
    justify-self: start;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
    gap: .65rem;
  }

  .footer-bottom address {
    grid-column: auto;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal,
  .hero-line {
    opacity: 1;
    transform: none;
  }

  .logo-marquee {
    overflow-x: auto;
    mask-image: none;
  }

  .logo-track {
    animation: none;
  }

  .logo-grid[aria-hidden="true"] {
    display: none;
  }
}

@media (min-width: 1800px) {
  :root {
    --container: 1600px;
  }

  .hero-title {
    max-width: 88rem;
  }
}