:root {
  --orange: #ef8440;
  --grey: #878787;
  --white: #ffffff;
  --black: #000000;
  --header-height: 58px;
  --pad: clamp(22px, 4vw, 64px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--black);
  color: var(--white);
  font-family: "Helvetica Neue", Arial, sans-serif;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--black);
  color: var(--white);
  letter-spacing: 0;
  overflow-x: hidden;
}

body,
button,
a {
  font: inherit;
}

button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

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

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

.skip-link {
  position: fixed;
  left: var(--pad);
  top: 10px;
  z-index: 50;
  padding: 10px 14px;
  background: var(--white);
  color: var(--black);
  transform: translateY(-140%);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(18px);
  color: var(--white);
}

.brand {
  display: flex;
  align-items: center;
  width: 104px;
  height: 30px;
}

.brand img,
.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.site-footer span span {
  color: var(--orange);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
}

.nav-links a {
  position: relative;
  padding: 10px 0 10px 0;
  transition: color 260ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--white);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5px;
  height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 420ms var(--ease);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.scene {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.dark-scene {
  background: var(--black);
  color: var(--white);
}

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

.scene-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transform-origin: center;
  transition: transform 1200ms var(--ease);
}

.image-veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.76), rgba(0, 0, 0, 0.18) 56%, rgba(0, 0, 0, 0.48)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.06) 54%, rgba(0, 0, 0, 0.22));
}

.image-veil-strong {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.84), rgba(0, 0, 0, 0.18) 60%, rgba(0, 0, 0, 0.5)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.08) 58%, rgba(0, 0, 0, 0.18));
}

.hero {
  min-height: 100svh;
}

.hero-copy {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: clamp(46px, 9vh, 96px);
  max-width: 780px;
}

.page-hero .hero-copy {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  color: var(--white);
  font-size: clamp(44px, 6.4vw, 88px);
  line-height: 1.04;
  font-weight: 400;
  text-wrap: balance;
}

.hero:not(.page-hero) .hero-title {
  max-width: 660px;
  font-size: clamp(28px, 3.3vw, 48px);
  line-height: 1.1;
}

.page-hero .hero-title {
  max-width: 960px;
  font-size: clamp(48px, 7.2vw, 104px);
  line-height: 1.04;
}

.hero-line {
  max-width: 560px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(16px, 1.6vw, 21px);
  line-height: 1.55;
}

.display {
  margin: 0;
  font-size: clamp(38px, 6vw, 82px);
  line-height: 1.06;
  font-weight: 400;
  text-wrap: balance;
}

.support {
  max-width: 560px;
  margin: 24px 0 0;
  color: var(--grey);
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.5;
}

.dark-scene .support {
  color: rgba(255, 255, 255, 0.68);
}

.quiet-actions {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 34px;
  color: var(--white);
}

.quiet-actions a,
.text-link {
  display: inline-block;
  padding-bottom: 7px;
  border-bottom: 1px solid currentColor;
  font-size: 15px;
  transition: color 260ms ease;
}

.quiet-actions a:hover,
.text-link:hover {
  color: var(--orange);
}

.scroll-cue {
  position: absolute;
  right: var(--pad);
  bottom: 44px;
  width: 1px;
  height: 72px;
  background: rgba(255, 255, 255, 0.28);
  overflow: hidden;
}

.scroll-cue span {
  display: block;
  width: 1px;
  height: 30px;
  background: var(--orange);
  animation: cue 2.8s var(--ease) infinite;
}

@keyframes cue {
  0% { transform: translateY(-34px); }
  100% { transform: translateY(78px); }
}

.claim-scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2vw, 28px);
  align-content: center;
  align-items: start;
  min-height: 100svh;
  padding: calc(var(--header-height) + 48px) var(--pad) 68px;
  scroll-margin-top: 0;
}

.claim-copy {
  align-self: start;
}

.claim-word {
  margin: 0;
  max-width: 760px;
  font-size: clamp(56px, 7.5vw, 112px);
  line-height: 0.92;
  font-weight: 500;
}

.claim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-self: start;
  max-width: 620px;
}

.claim-grid .support {
  margin-top: 0;
}

.claim-grid .support + .support {
  margin-top: 14px;
}

.services-scroller {
  position: relative;
  height: 300svh;
}

.services-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
}

.service-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  opacity: 0;
  pointer-events: none;
  transition: opacity 620ms ease;
}

.service-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.service-media {
  overflow: hidden;
}

.service-media-quiet {
  display: grid;
  align-items: end;
  padding: calc(var(--header-height) + 42px) var(--pad) 58px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0)),
    var(--black);
}

.service-media-quiet div {
  display: grid;
  gap: 10px;
}

.service-media-quiet span {
  display: block;
  width: max-content;
  max-width: 100%;
  color: rgba(255, 255, 255, 0.16);
  font-size: clamp(56px, 8vw, 132px);
  line-height: 0.88;
  font-weight: 400;
}

.service-media-quiet span:nth-child(2) {
  color: rgba(255, 255, 255, 0.28);
}

.service-media-quiet span:nth-child(3) {
  color: var(--orange);
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.78);
  transform: scale(1.08);
  transition:
    filter 700ms ease,
    transform 1400ms var(--ease);
}

.service-slide.is-active .service-media img {
  transform: scale(1);
}

.service-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-height) + 42px) var(--pad) 56px;
  background: var(--black);
}

.service-copy h2 {
  margin: 0;
  max-width: 560px;
  font-size: clamp(38px, 5vw, 74px);
  line-height: 1;
  font-weight: 400;
}

.service-copy p:not(.eyebrow) {
  max-width: 460px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 17px;
  line-height: 1.6;
}

.service-index {
  position: absolute;
  right: var(--pad);
  bottom: 42px;
  color: var(--grey);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.experience-teaser {
  min-height: auto;
  padding: clamp(96px, 12vw, 150px) var(--pad);
}

.teaser-head {
  max-width: 820px;
  margin-bottom: clamp(44px, 7vw, 86px);
}

.teaser-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(52px, 9vw, 140px);
  margin-bottom: 54px;
}

.teaser-panel {
  display: block;
  min-height: auto;
  background: var(--black);
}

.teaser-panel div {
  padding: 0;
}

.teaser-panel h3 {
  margin: 0;
  max-width: 620px;
  font-size: clamp(28px, 3.2vw, 48px);
  line-height: 1.08;
  font-weight: 400;
}

.teaser-panel p:not(.eyebrow) {
  max-width: 520px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.55;
}

.why-scene,
.essential-page,
.signature-editorial,
.how-scene {
  padding: calc(var(--header-height) + 58px) var(--pad) 76px;
}

.why-intro,
.index-intro {
  max-width: 940px;
  margin-bottom: clamp(52px, 8vw, 110px);
}

.why-rows {
  display: grid;
  border-top: 1px solid rgba(0, 0, 0, 0.18);
}

.why-row,
.contact-row,
.how-step {
  display: grid;
  grid-template-columns: 72px minmax(180px, 0.32fr) minmax(0, 1fr);
  gap: clamp(18px, 4vw, 64px);
  padding: 28px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
}

.why-row span,
.how-step span {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.why-row h3,
.contact-row h3,
.how-step h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.1;
  font-weight: 400;
}

.why-row p,
.contact-row p,
.how-step p {
  margin: 0;
  color: var(--grey);
  line-height: 1.55;
}

.contact-scene {
  display: grid;
  align-items: center;
  padding: calc(var(--header-height) + 58px) var(--pad) 76px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.64fr);
  gap: clamp(42px, 8vw, 120px);
  align-items: center;
}

.contact-rows {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.contact-row {
  grid-template-columns: minmax(120px, 0.34fr) minmax(0, 1fr);
  border-color: rgba(255, 255, 255, 0.22);
}

.contact-row p {
  color: rgba(255, 255, 255, 0.66);
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: 34px;
}

.contact-links .text-link {
  margin: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px var(--pad);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background: var(--black);
  color: rgba(255, 255, 255, 0.46);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.essential-carousel {
  overflow: hidden;
}

.essential-track-outer {
  overflow-x: auto;
  overflow-y: hidden;
  margin: 0 calc(var(--pad) * -1);
  padding: 0 var(--pad);
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--pad);
  overscroll-behavior-inline: contain;
  touch-action: pan-x pan-y;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.essential-track-outer::-webkit-scrollbar {
  display: none;
}

.essential-track {
  display: flex;
  gap: 18px;
  width: max-content;
}

.experience-card {
  flex: 0 0 min(360px, 82vw);
  display: grid;
  grid-template-rows: 220px auto;
  background: var(--white);
  color: var(--black);
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 8px;
  overflow: hidden;
  transform: none;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.experience-card.is-visible {
  transform: translateY(0);
}

.experience-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.92);
}

.experience-card-placeholder {
  display: flex;
  align-items: flex-end;
  padding: 24px;
  background: var(--black);
  color: var(--white);
}

.experience-card-placeholder span {
  color: var(--orange);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.experience-card:nth-child(2) img {
  object-position: center 42%;
}

.experience-card:nth-child(3) img {
  object-position: center 35%;
}

.experience-card:nth-child(4) img {
  object-position: center 48%;
}

.experience-card-copy {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 28px;
}

.locale {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.experience-card-copy h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.26;
  font-weight: 500;
  text-wrap: balance;
}

.experience-card-copy p:not(.locale) {
  margin: 12px 0 0;
  color: var(--grey);
  font-size: 13px;
  line-height: 1.6;
}

.experience-meta {
  display: grid;
  margin: 20px 0 0;
  margin-bottom: 22px;
  border-top: 1px solid rgba(0, 0, 0, 0.18);
}

.experience-meta div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
}

.experience-meta dt,
.experience-meta dd {
  margin: 0;
  font-size: 12px;
  line-height: 1.3;
}

.experience-meta dt {
  color: var(--grey);
}

.experience-meta dd {
  color: var(--black);
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  margin-top: auto;
  padding: 11px 16px;
  border-radius: 6px;
  background: #0171e3;
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
}

.whatsapp-button svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
}

.carousel-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
}

.carousel-nav button {
  padding: 8px 0;
  border-bottom: 1px solid var(--black);
  color: var(--black);
  font-size: 14px;
}

.carousel-nav button:disabled {
  color: rgba(0, 0, 0, 0.28);
  border-color: rgba(0, 0, 0, 0.2);
  cursor: default;
}

.carousel-nav span {
  color: var(--grey);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.signature-cover {
  min-height: 100svh;
}

.signature-cover-copy {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: clamp(50px, 10vh, 110px);
  max-width: 820px;
}

.signature-editorial {
  display: block;
  max-width: 720px;
  margin-top: 24px;
  padding: 0;
}

.signature-explanation,
.signature-examples {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.55;
}

.signature-examples {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.how-scene {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 1fr);
  gap: clamp(42px, 8vw, 110px);
  align-items: start;
}

.how-steps {
  display: grid;
  border-top: 1px solid rgba(0, 0, 0, 0.18);
}

.how-step {
  grid-template-columns: 52px minmax(160px, 0.36fr) minmax(0, 1fr);
}

@media (max-width: 900px) {
  :root {
    --header-height: 64px;
  }

  .site-header {
    align-items: flex-start;
    padding-top: 20px;
  }

  .nav-links {
    gap: 14px;
    font-size: 15px;
  }

  .claim-scene,
  .service-slide,
  .teaser-split,
  .contact-layout,
  .claim-grid,
  .how-scene {
    grid-template-columns: 1fr;
  }

  .service-slide {
    grid-template-rows: 46svh 1fr;
  }

  .service-copy {
    justify-content: start;
    padding-top: 38px;
  }

  .why-row,
  .contact-row,
  .how-step {
    grid-template-columns: 1fr;
    gap: 10px;
  }

}

@media (max-width: 620px) {
  .site-header {
    height: auto;
    min-height: var(--header-height);
  }

  .brand {
    width: 88px;
    height: 26px;
  }

  .nav-links a[href="#what-we-do"],
  .nav-links a[href="index.html#what-we-do"],
  .nav-links a[href="#why-sensa"],
  .nav-links a[href="index.html#why-sensa"] {
    display: none;
  }

  .hero-title {
    font-size: clamp(40px, 12vw, 62px);
  }

  .hero:not(.page-hero) .hero-title {
    font-size: clamp(28px, 8.5vw, 40px);
  }

  .claim-word {
    font-size: clamp(44px, 14vw, 68px);
  }

  .display,
  .service-copy h2 {
    font-size: clamp(36px, 11vw, 58px);
  }

  .hero-copy {
    bottom: 38px;
  }

  .quiet-actions {
    gap: 18px;
  }

  .claim-scene {
    min-height: 100svh;
    gap: 18px;
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 48px;
  }

  .claim-grid .support {
    margin-top: 0;
  }

  .teaser-head {
    margin-bottom: 28px;
  }

  .teaser-split {
    gap: 34px;
  }

  .scroll-cue {
    display: none;
  }

  .experience-meta div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}