/* ============================================================
   Base design system (was css/style.css)
   ============================================================ */
:root {
  /*========== Colors ==========*/
  --clr-blue: #081229;
  --clr-light-blue: #172853;
  --clr-orange: #ff9830;
  --clr-white: #ffffff;
  --clr-off-white: #eff4ff;

  /*========== Font and Typography ==========*/
  --pt-ff: 'PT Serif', serif;
  --dm-ff: 'DM Sans', sans-serif;
  --fs-h1: calc(52rem / 16);
  --fs-h2: calc(40rem / 16);
  --fs-h3: calc(28rem / 16);
  --fs-h4: calc(24rem / 16);
  --fs-extra-1: calc(36rem / 16);
  --fs-extra-2: calc(22rem / 16);
  --fs-extra-3: calc(30rem / 16);
  --fs-text-1: calc(20rem / 16);
  --fs-text-2: calc(18rem / 16);
  --fs-text-3: calc(16rem / 16);
  --fs-text-4: calc(14rem / 16);

  /*========== Font weight ==========*/
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semi-bold: 600;
  --weight-bold: 600;
  --weight-bolder: 800;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: inherit;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--dm-ff);
  font-size: var(--fs-text-3);
  font-weight: var(--weight-normal);
  background-color: var(--clr-blue);
  color: var(--clr-white);
  overflow-x: hidden;
  overflow-y: auto;
}

ul,
ol {
  list-style: none;
}

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

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

.container {
  max-width: calc(1148rem / 16);
  width: min(100% - calc(32rem / 16));
  margin: 0 auto;
}

.section-container {
  max-width: calc(1290rem / 16);
  width: min(100% - calc(32rem / 16));
  margin: 0 auto;
}

.mobile-menu {
  display: none;
}

/* Info */
.info {
  display: grid;
  grid-template-columns: min-content 1fr min-content min-content;
  gap: 30px;
}

.info a {
  padding: 10px 0px;
  white-space: nowrap;
  display: flex;
  gap: 5px;
  align-items: center;
  line-height: 18px;
  font-size: 14px;
  transition: all 150ms ease-in-out;
  position: relative;
}

.info a::after {
  content: ' ';
  position: absolute;
  height: 1px;
  left: 25px;
  right: 0px;
  bottom: 13px;
  background: #ffa500;
  opacity: 0;
  transition: all 150ms ease-in-out;
}

.info a:hover {
  color: #ffa500;
}

.info a:hover::after {
  opacity: 1;
}

i.icon {
  display: inline-block;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
  width: 20px;
  height: 20px;
}

i.icon.orange.phone {
  background-image: url('../assets/svg/phone.svg');
}

i.icon.orange.email {
  background-image: url('../assets/svg/email.svg');
}

i.icon.orange.address {
  background-image: url('../assets/svg/address.svg');
}

/* Header */
.header {
  background: linear-gradient(
    270.15deg,
    #172853 0.11%,
    #1d3c8c 32.23%,
    rgba(23, 40, 83, 0.5) 89.72%
  );
  position: relative;
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/hero-home-lines-desktop.png');
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.header-top {
  height: calc(84rem / 16);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(20rem / 16);
}

.header-navbar {
  display: flex;
  align-items: center;
  gap: calc(50rem / 16);
  transition: all 250ms ease;
}

.header-navlink {
  font-size: var(--fs-text-2);
  transition: color 300ms ease;
}

.header-navlink:hover {
  color: var(--clr-orange);
}

.header-logo > img {
  width: calc(140rem / 16);
}

.header-middle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  column-gap: calc(28rem / 16);
  position: relative;
  z-index: 2;
  padding: 60px 0 100px;
}

.header-intro {
  width: 45%;
  display: flex;
  flex-direction: column;
  gap: calc(20rem / 16);
}

.header-tagline {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3px 20px;
  width: fit-content;
  background: rgba(240, 143, 45, 0.15);
  border-radius: 500px;
  font-weight: var(--weight-bold);
  font-size: var(--fs-text-4);
  line-height: 1.7;
  text-align: center;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-orange);
}

.header-title {
  font-family: var(--pt-ff);
  font-size: var(--fs-h1);
  font-style: italic;
  font-weight: var(--weight-bold);
  line-height: 1.3;
}

.header-desc {
  font-size: var(--fs-text-1);
  line-height: 1.7;
  color: var(--clr-off-white);
}

.header-box {
  width: 51.5%;
}

.header-cards {
  display: flex;
  flex-direction: column;
  gap: calc(20rem / 16);
}

.header-card {
  display: flex;
  align-items: center;
  padding: 20px;
  gap: calc(20rem / 16);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(7.5px);
  border-radius: 8px;
}

.header-card-image {
  width: calc(40rem / 16);
}

.header-card-content {
  display: flex;
  flex-direction: column;
  gap: calc(5rem / 16);
  flex: 1;
}

.header-card-title {
  font-size: var(--fs-text-1);
  font-weight: var(--weight-bold);
  line-height: 1.3;
}

.header-card-desc {
  font-size: var(--fs-text-3);
  line-height: 1.7;
  color: var(--clr-off-white);
}

.header-arrow {
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
}

.header-menu-btn {
  display: none;
  justify-content: center;
  align-items: center;
  width: calc(44rem / 16);
  height: calc(44rem / 16);
  background-color: transparent;
  border: 0;
  cursor: pointer;
}

/* Inside-Section */
.inside {
  padding: 100px 0 50px;
}

.inside-line-image {
  width: calc(40rem / 16);
  margin: 0 auto;
}

.inside-title {
  font-family: var(--pt-ff);
  font-size: var(--fs-h2);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  text-align: center;
  margin-top: calc(28rem / 16);
}

/* Instant-Section */
.instant {
  background-image: url('../assets/images/inside-bg-desktop.webp');
  background-repeat: no-repeat;
  background-size: cover;
  padding: 60px;
  border-radius: 10px;
}

.instant-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(28rem / 16);
}

.instant-info {
  width: 48%;
  display: flex;
  flex-direction: column;
  gap: calc(30rem / 16);
}

.instant-line-image {
  width: calc(40rem / 16);
}

.instant-title {
  font-family: var(--pt-ff);
  font-size: var(--fs-h2);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  margin-top: calc(28rem / 16);
}

.instant-text {
  font-size: var(--fs-text-2);
  line-height: 1.7;
}

.instant-form {
  width: 50%;
  padding: 30px;
  background: rgba(23, 40, 83, 0.5);
  box-shadow: 0px 0px 15px rgba(16, 29, 61, 0.1);
  border-radius: 20px;
  border: 2px solid var(--clr-orange);
}

.instant-form-title {
  font-family: var(--pt-ff);
  font-size: var(--fs-h3);
  font-style: italic;
  font-weight: var(--weight-bold);
  line-height: 1.16;
  text-align: center;
}

.instant-form-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 30px;
  gap: 10px;
  height: 60px;
  background: linear-gradient(28.79deg, #ec8249 -10.9%, #f08f2d 101.87%);
  border-radius: 4px;
  margin-top: calc(10rem / 16);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: var(--fs-text-1);
  font-weight: var(--weight-bold);
  color: var(--clr-white);
  cursor: pointer;
  transition: border 300ms ease;
}

.instant-form-btn:disabled {
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.5;
}

.instant-form-btn:hover {
  border-color: var(--clr-white);
}

/* Footer */
.footer {
  padding: 70px 0;
}

.footer.footer-data {
  border-top: 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(30rem / 16);
}

.footer-text {
  line-height: 150%;
  opacity: 0.5;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: calc(30rem / 16);
}

.footer-link {
  line-height: 150%;
  opacity: 0.5;
  text-decoration: underline;
  text-underline-offset: 5px;
  transition: all 250ms ease;
}

.footer-link:hover {
  text-decoration: none;
  color: var(--clr-orange);
  opacity: 1;
}

.footer-logo > img {
  width: calc(140rem / 16);
}

/* Base media queries (from style.css) */
@media (max-width: 1147px) {
  .instant {
    padding: 30px;
  }
}

@media (max-width: 1023px) {
  .header-middle {
    flex-direction: column;
    row-gap: calc(30rem / 16);
    padding: 40px 0 64px;
  }
  .header-intro {
    width: 100%;
  }
  .header-tagline {
    margin: 0 auto;
  }
  .header-title {
    text-align: center;
  }
  .header-desc {
    text-align: center;
  }
  .header-box {
    width: 100%;
  }
  .header-cards {
    gap: calc(10rem / 16);
  }
}

@media (max-width: 880px) {
  .footer {
    padding: 30px 0;
  }
  .footer-content {
    flex-direction: column;
    justify-content: center;
  }
  .footer-text {
    order: 3;
    text-align: center;
  }
}

@media (max-width: 876px) {
  .header::before {
    background-image: url('../assets/images/hero-home-lines-mobile.png');
  }
  .header-navbar {
    display: none;
  }
  .header-tagline {
    margin: 0 auto;
  }
  .header-title {
    text-align: center;
    font-size: var(--fs-extra-1);
  }
  .header-desc {
    font-size: var(--fs-text-2);
    text-align: center;
  }
  .header-cards {
    gap: calc(10rem / 16);
  }
  .header-card {
    align-items: start;
  }
  .header-menu-btn {
    display: flex;
  }
  .inside {
    padding: 65px 0 50px;
  }
  .inside-title {
    font-size: var(--fs-h3);
  }
  .instant {
    padding: 24px 16px;
    background-image: url('../assets/images/inside-bg-mobile.webp');
  }
  .instant-content {
    flex-direction: column;
  }
  .instant-title {
    text-align: center;
    font-size: var(--fs-h3);
  }
  .instant-text {
    font-size: var(--fs-text-3);
    text-align: center;
  }
  .instant-line-image {
    margin: 0 auto;
  }
  .instant-form {
    width: 100%;
    padding: 20px 16px;
  }
  .instant-form-title {
    font-size: calc(22rem / 16);
    line-height: 1.24;
  }
  .instant-info {
    width: 100%;
    gap: calc(24rem / 16);
  }
  .footer-links {
    flex-direction: column;
    gap: calc(12rem / 16);
  }
  .footer-logo > img {
    width: calc(122rem / 16);
  }

  /* Mobile-Menu */
  .mobile-menu {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    background: var(--clr-blue);
    display: grid;
    grid-template-areas:
      'img close'
      'menu menu'
      'newsletter newsletter';
    grid-template-rows: 60px min-content min-content;
    padding: 0px 16px 30px;
    z-index: 100;
    transition: opacity 150ms ease-in-out;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    opacity: 0;
    pointer-events: none;
  }
  .mobile-menu > .logo {
    grid-area: img;
    align-self: center;
  }
  .mobile-menu > a {
    grid-area: close;
    width: 30px;
    height: 30px;
    cursor: pointer;
    background: url('../assets/svg/close.svg') center center no-repeat;
    align-self: center;
    justify-self: end;
  }
  .mobile-menu > .list {
    grid-area: menu;
    display: flex;
    flex-direction: column;
    margin-top: 20px;
  }
  .mobile-menu > .list a {
    font-size: 18px;
    line-height: 24px;
    position: relative;
    padding: 15px 0px;
    transition: color 150ms ease-in-out;
  }
  .mobile-menu > .list a::after {
    content: ' ';
    position: absolute;
    right: 0px;
    opacity: 0.5;
    background: url('../assets/svg/send-white.svg') center center no-repeat;
    width: 24px;
    height: 24px;
    transition: all 150ms ease-in-out;
  }
  .mobile-menu > .list a:hover {
    color: var(--clr-orange);
  }
  .mobile-menu > .list a:hover::after {
    opacity: 1;
    background-image: url('../assets/svg/send-orange.svg');
  }
  .mobile-menu.shown {
    opacity: 1;
    pointer-events: all;
  }

  .info {
    gap: 0px;
    margin: 0px 11px 0px 16px;
  }
  .info .phone,
  .info .email {
    padding: 10px 5px;
  }
  .info .phone span,
  .info .email span {
    display: none;
  }
  .info .phone::after,
  .info .email::after {
    display: none;
  }
}

@media (max-width: 550px) {
  .header-top {
    height: calc(60rem / 16);
  }
  .header-middle {
    padding: 32px 0 50px;
  }
  .info i.icon {
    width: 16px;
    height: 16px;
  }
  .info a {
    padding: 9px 0px;
    line-height: 16px;
    font-size: 10px;
    position: relative;
  }
  .info a::after {
    height: 1px;
    left: 21px;
    right: 0px;
    bottom: 13px;
  }
  .info .phone,
  .info .email {
    padding: 9px 5px;
  }
}

/* ============================================================
   Page-specific additions for intent.html
   ============================================================ */
.header-title-em {
  font-style: normal;
  font-weight: var(--weight-bolder);
  color: var(--clr-orange);
}

.inside-content > .header-tagline {
  margin-left: auto;
  margin-right: auto;
  margin-top: calc(20rem / 16);
}

.inside-content > .header-desc {
  text-align: center;
  max-width: calc(720rem / 16);
  margin-left: auto;
  margin-right: auto;
  margin-top: calc(16rem / 16);
}

.topics {
  margin-top: calc(28rem / 16);
}

.topics-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: calc(40rem / 16);
}

.topics-tab {
  padding: 18px 28px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--clr-off-white);
  opacity: 0.55;
  font-family: inherit;
  font-size: var(--fs-text-2);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    opacity 250ms ease,
    color 250ms ease,
    border-color 250ms ease;
  margin-bottom: -1px;
  white-space: nowrap;
}

.topics-tab:hover {
  opacity: 1;
  color: var(--clr-white);
}

.topics-tab.is-active {
  opacity: 1;
  color: var(--clr-orange);
  border-bottom-color: var(--clr-orange);
}

.topics-panels {
  position: relative;
}

.topics-panel {
  display: none;
}

.topics-panel.is-active {
  display: block;
  animation: topicsPanelIn 350ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes topicsPanelIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.topics-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(7.5px);
  -webkit-backdrop-filter: blur(7.5px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: calc(8rem / 16) calc(36rem / 16);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: calc(56rem / 16);
}

.topics-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: calc(16rem / 16);
  padding: calc(18rem / 16) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  transition: color 200ms ease;
}

.topics-grid > .topics-row:nth-child(1),
.topics-grid > .topics-row:nth-child(2) {
  border-top: 0;
}

.topics-row:hover .topics-name {
  color: var(--clr-white);
}

.topics-row:hover .topics-vol {
  color: var(--clr-white);
}

.topics-name {
  color: var(--clr-off-white);
  font-size: var(--fs-text-2);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  transition: color 200ms ease;
}

.topics-vol {
  color: var(--clr-orange);
  font-family: var(--pt-ff);
  font-size: var(--fs-text-1);
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  flex-shrink: 0;
  transition: color 200ms ease;
}

.topics-foot {
  margin-top: calc(28rem / 16);
  text-align: center;
  font-size: var(--fs-text-4);
  color: var(--clr-off-white);
  opacity: 0.5;
}

@media (max-width: 1023px) {
  .topics-card {
    padding: calc(8rem / 16) calc(24rem / 16);
  }
  .topics-grid {
    column-gap: calc(36rem / 16);
  }
}

@media (max-width: 876px) {
  .topics-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
    margin-bottom: calc(28rem / 16);
  }
  .topics-tabs::-webkit-scrollbar {
    display: none;
  }
  .topics-tab {
    flex-shrink: 0;
    padding: 14px 18px;
    font-size: var(--fs-text-3);
  }
  .topics-card {
    padding: calc(4rem / 16) calc(20rem / 16);
    border-radius: 10px;
  }
  .topics-grid {
    grid-template-columns: 1fr;
    column-gap: 0;
  }
  .topics-grid > .topics-row:nth-child(2) {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
  }
  .topics-row {
    padding: calc(14rem / 16) 0;
  }
  .topics-name {
    font-size: var(--fs-text-3);
  }
  .topics-vol {
    font-size: var(--fs-text-2);
  }
}

/* ============================================================
   Section 1: How it works — numbered editorial list
   ============================================================ */
.howitworks {
  margin: calc(40rem / 16) auto 0;
  max-width: calc(880rem / 16);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.howitworks-row {
  display: grid;
  grid-template-columns: minmax(calc(120rem / 16), calc(200rem / 16)) 1fr;
  align-items: start;
  gap: calc(40rem / 16);
  padding: calc(36rem / 16) calc(8rem / 16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  transition: background 350ms ease;
}

.howitworks-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 1px;
  width: 0;
  background: var(--clr-orange);
  transition: width 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

.howitworks-row:hover::before {
  width: 100%;
}

.howitworks-row:hover {
  background: linear-gradient(90deg, rgba(255, 152, 48, 0.04), transparent 70%);
}

.howitworks-num {
  font-family: var(--pt-ff);
  font-size: calc(72rem / 16);
  font-weight: var(--weight-bold);
  font-style: italic;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--clr-orange);
}

.howitworks-body {
  display: flex;
  flex-direction: column;
  gap: calc(14rem / 16);
  padding-top: calc(14rem / 16);
}

.howitworks-title {
  font-family: var(--pt-ff);
  font-size: var(--fs-h4);
  font-weight: var(--weight-bold);
  line-height: 1.25;
  letter-spacing: -0.005em;
  max-width: calc(640rem / 16);
}

.howitworks-text {
  font-size: var(--fs-text-2);
  line-height: 1.7;
  color: var(--clr-off-white);
  opacity: 0.85;
  max-width: calc(620rem / 16);
}

/* ============================================================
   Section 2: Tiers — connected 3-column comparison panel
   ============================================================ */
.tiers {
  margin-top: calc(40rem / 16);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.015) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(20rem / 16);
  overflow: hidden;
  position: relative;
}

.tiers::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse 60% 50% at 50% 0%,
    rgba(255, 152, 48, 0.08),
    transparent 70%
  );
}

.tier {
  position: relative;
  padding: calc(48rem / 16) calc(36rem / 16) calc(40rem / 16);
  display: flex;
  flex-direction: column;
  gap: calc(20rem / 16);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 350ms ease;
}

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

.tier:hover {
  background: rgba(255, 255, 255, 0.025);
}

.tier-tag {
  display: inline-flex;
  align-items: center;
  gap: calc(10rem / 16);
  font-size: var(--fs-text-4);
  font-weight: var(--weight-bold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-orange);
  align-self: flex-start;
}

.tier-tag::before {
  content: '';
  width: calc(24rem / 16);
  height: 1px;
  background: var(--clr-orange);
}

.tier-volume {
  font-family: var(--pt-ff);
  font-size: var(--fs-extra-1);
  font-style: italic;
  font-weight: var(--weight-bold);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--clr-white);
  font-variant-numeric: tabular-nums;
}

.tier-unit {
  font-size: calc(13rem / 16);
  font-weight: var(--weight-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-off-white);
  opacity: 0.5;
  padding-bottom: calc(20rem / 16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: calc(-4rem / 16);
}

.tier-text {
  font-size: var(--fs-text-3);
  line-height: 1.7;
  color: var(--clr-off-white);
  opacity: 0.85;
}

/* ============================================================
   Section 3: Use cases — 2x2 editorial grid with hairline borders
   ============================================================ */
.usecases {
  margin-top: calc(40rem / 16);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.usecase {
  position: relative;
  padding: calc(44rem / 16) calc(40rem / 16);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: calc(16rem / 16);
  transition: background 350ms ease;
  overflow: hidden;
}

.usecase::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-orange);
  transition: width 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

.usecase:hover::before {
  width: 100%;
}

.usecase:hover {
  background: rgba(255, 255, 255, 0.025);
}

.usecase-index {
  display: inline-flex;
  align-items: center;
  gap: calc(12rem / 16);
  font-family: var(--pt-ff);
  font-size: var(--fs-text-2);
  font-weight: var(--weight-bold);
  font-style: italic;
  color: var(--clr-orange);
  letter-spacing: 0.04em;
}

.usecase-index::after {
  content: '';
  width: calc(36rem / 16);
  height: 1px;
  background: rgba(255, 152, 48, 0.4);
}

.usecase-title {
  font-family: var(--pt-ff);
  font-size: var(--fs-h4);
  font-weight: var(--weight-bold);
  line-height: 1.25;
  letter-spacing: -0.005em;
  max-width: calc(420rem / 16);
}

.usecase-text {
  font-size: var(--fs-text-2);
  line-height: 1.7;
  color: var(--clr-off-white);
  opacity: 0.85;
  max-width: calc(460rem / 16);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1023px) {
  .howitworks-row {
    grid-template-columns: minmax(calc(96rem / 16), calc(140rem / 16)) 1fr;
    gap: calc(28rem / 16);
    padding: calc(28rem / 16) calc(4rem / 16);
  }
  .howitworks-num {
    font-size: calc(56rem / 16);
  }
  .tier {
    padding: calc(36rem / 16) calc(24rem / 16) calc(32rem / 16);
  }
  .tier-volume {
    font-size: var(--fs-extra-3);
  }
  .usecase {
    padding: calc(36rem / 16) calc(28rem / 16);
  }
}

@media (max-width: 876px) {
  .howitworks-row {
    grid-template-columns: 1fr;
    gap: calc(8rem / 16);
    padding: calc(28rem / 16) 0;
  }
  .howitworks-num {
    font-size: calc(48rem / 16);
  }
  .howitworks-body {
    padding-top: 0;
  }
  .howitworks-title {
    font-size: var(--fs-text-1);
  }
  .howitworks-text {
    font-size: var(--fs-text-3);
  }

  .tiers {
    grid-template-columns: 1fr;
    border-radius: calc(14rem / 16);
  }
  .tier {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: calc(28rem / 16) calc(20rem / 16);
  }
  .tier:last-child {
    border-bottom: 0;
  }
  .tier-volume {
    font-size: var(--fs-h3);
  }

  .usecases {
    grid-template-columns: 1fr;
  }
  .usecase {
    padding: calc(28rem / 16) calc(20rem / 16);
  }
  .usecase-title {
    font-size: var(--fs-text-1);
  }
  .usecase-text {
    font-size: var(--fs-text-3);
  }
}

@media (max-width: 550px) {
  .howitworks-num {
    font-size: calc(40rem / 16);
  }
  .tier {
    padding: calc(24rem / 16) calc(16rem / 16);
  }
  .usecase {
    padding: calc(24rem / 16) calc(16rem / 16);
  }
}