:root {
  --ink: #031925;
  --ink-2: #062f43;
  --ink-3: #0c4656;
  --aqua: #12d8e5;
  --aqua-soft: #7ef2ee;
  --ivory: #f4f5f0;
  --paper: #fcfdf9;
  --mist: #a9bbc2;
  --white: #fff;
  --line-dark: rgba(255, 255, 255, 0.14);
  --line-light: rgba(3, 25, 37, 0.14);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Baskerville, Georgia, serif;
  --sans: Inter, Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --shell: min(92vw, 1380px);
  --radius: 24px;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--aqua);
  outline-offset: 4px;
}

::selection {
  color: var(--ink);
  background: var(--aqua-soft);
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(90px, 10vw, 160px);
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  color: var(--ink);
  background: var(--aqua);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.eyebrow {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 24px;
  color: var(--aqua-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.19em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 1px;
  background: currentColor;
  content: "";
}

.eyebrow.dark {
  color: #0b7680;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.99;
}

h1 em,
h2 em {
  color: var(--aqua-soft);
  font-weight: 400;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.7rem, 5.6vw, 6.5rem);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  padding: 18px 0;
  color: var(--white);
  transition: padding 0.45s var(--ease), background 0.45s ease, box-shadow 0.45s ease;
}

.site-header.is-scrolled,
.site-header.menu-visible {
  padding: 10px 0;
  background: rgba(3, 25, 37, 0.94);
  box-shadow: 0 14px 40px rgba(1, 13, 20, 0.22);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: grid;
  grid-template-columns: minmax(168px, 1fr) auto minmax(168px, 1fr);
  gap: 28px;
  align-items: center;
  width: var(--shell);
  margin-inline: auto;
}

.brand {
  display: block;
  width: 184px;
  line-height: 0;
}

.brand img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: contain;
  object-position: center;
  background: transparent;
}

.main-nav {
  display: flex;
  gap: clamp(24px, 3vw, 48px);
  align-items: center;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav a {
  position: relative;
  padding: 10px 0;
}

.main-nav a::after {
  position: absolute;
  right: 100%;
  bottom: 4px;
  left: 0;
  height: 1px;
  background: var(--aqua);
  content: "";
  transition: right 0.3s var(--ease);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  right: 0;
}

.language-switcher {
  display: flex;
  gap: 4px;
  justify-self: end;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 100px;
}

.language-switcher a {
  display: grid;
  min-width: 38px;
  min-height: 34px;
  place-items: center;
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.67);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  transition: color 0.25s ease, background 0.25s ease;
}

.language-switcher a:hover,
.language-switcher a.is-active {
  color: var(--ink);
  background: var(--aqua);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 1px;
  margin: 7px auto;
  background: var(--white);
  transition: transform 0.3s ease;
}

.hero {
  position: relative;
  display: flex;
  overflow: hidden;
  min-height: max(760px, 100svh);
  align-items: center;
  color: var(--white);
  background: var(--ink) url("../images/saleaqua-hero-day.webp") center / cover no-repeat;
}

.hero-video,
.hero-shade,
.water-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-video {
  z-index: 0;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(2, 18, 30, 0.94) 0%, rgba(2, 18, 30, 0.76) 37%, rgba(2, 18, 30, 0.12) 76%),
    linear-gradient(0deg, rgba(2, 20, 30, 0.76), transparent 45%),
    linear-gradient(180deg, rgba(2, 18, 30, 0.38), transparent 30%);
}

.water-lines {
  z-index: 2;
  opacity: 0.18;
  background: repeating-radial-gradient(ellipse at 82% 104%, transparent 0 46px, rgba(126, 242, 238, 0.32) 47px 48px, transparent 49px 78px);
  mask-image: linear-gradient(90deg, transparent 42%, black 100%);
  animation: water-drift 14s ease-in-out infinite alternate;
}

@keyframes water-drift {
  to { transform: translate3d(1.5%, -1%, 0) scale(1.02); }
}

.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 110px;
}

.hero-content > * {
  max-width: 820px;
}

.hero h1 {
  margin-bottom: 32px;
  font-size: clamp(3.8rem, 7.6vw, 8.6rem);
  text-shadow: 0 2px 30px rgba(1, 13, 20, 0.22);
}

.hero h1 em {
  display: inline-block;
  color: var(--white);
  font-style: italic;
}

.hero-lead {
  max-width: 670px;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1rem, 1.3vw, 1.23rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 58px;
  gap: 18px;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s ease, border 0.3s ease, color 0.3s ease;
}

.button svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
  transition: transform 0.3s var(--ease);
}

.button:hover {
  transform: translateY(-3px);
}

.button:hover svg {
  transform: translateX(4px);
}

.button-primary {
  color: var(--ink);
  background: var(--aqua);
  box-shadow: 0 12px 30px rgba(18, 216, 229, 0.17);
}

.button-primary:hover {
  background: var(--aqua-soft);
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(3, 25, 37, 0.2);
  backdrop-filter: blur(8px);
}

.button-ghost:hover {
  border-color: var(--aqua);
  background: rgba(3, 25, 37, 0.5);
}

.hero-location {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 44px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-location > span:first-child {
  width: 8px;
  height: 8px;
  border: 2px solid var(--aqua);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(18, 216, 229, 0.14);
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  right: 4vw;
  bottom: 38px;
  display: flex;
  gap: 15px;
  align-items: center;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transform: rotate(90deg) translateX(-100%);
  transform-origin: right bottom;
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 72px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.25);
}

.scroll-cue i::after {
  position: absolute;
  width: 40%;
  height: 1px;
  background: var(--aqua);
  content: "";
  animation: scroll-cue 2.5s ease-in-out infinite;
}

@keyframes scroll-cue {
  from { transform: translateX(-100%); }
  to { transform: translateX(250%); }
}

.trust-bar {
  color: var(--white);
  background: var(--ink);
  border-top: 1px solid var(--line-dark);
}

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

.trust-grid p {
  display: flex;
  min-height: 108px;
  gap: 22px;
  align-items: center;
  margin: 0;
  padding: 26px clamp(18px, 3vw, 54px);
  border-left: 1px solid var(--line-dark);
}

.trust-grid p:last-child {
  border-right: 1px solid var(--line-dark);
}

.trust-grid span {
  color: var(--aqua);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.trust-grid strong {
  font-family: var(--serif);
  font-size: clamp(1.08rem, 1.4vw, 1.4rem);
  font-weight: 400;
}

.promise {
  display: grid;
  grid-template-columns: 1fr 3fr 1.5fr;
  gap: clamp(30px, 5vw, 90px);
  align-items: start;
  background: var(--ivory);
}

.section-number {
  padding-top: 4px;
  color: #0a7380;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.promise h2 {
  max-width: 900px;
  color: var(--ink);
  font-size: clamp(3rem, 5.4vw, 6.1rem);
}

.promise h2 em {
  display: block;
  color: #0a7f8a;
  font-style: italic;
}

.promise-detail {
  padding-top: 48px;
  color: #46616d;
}

.promise-detail p {
  margin-bottom: 36px;
  line-height: 1.8;
}

.text-link {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.text-link span:last-child {
  margin-left: auto;
  font-size: 1rem;
}

.services {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 88% 18%, rgba(18, 216, 229, 0.12), transparent 30%),
    var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 68px;
}

.section-heading h2 {
  font-size: clamp(3.2rem, 6vw, 6.7rem);
}

.section-heading > p {
  max-width: 430px;
  margin-bottom: 8px;
  color: var(--mist);
  line-height: 1.75;
}

.service-stage {
  display: grid;
  overflow: hidden;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}

.service-card {
  position: relative;
  min-height: 475px;
  padding: clamp(30px, 3vw, 48px);
  border-right: 1px solid var(--line-dark);
  transition: background 0.45s var(--ease), transform 0.45s var(--ease);
}

.service-card:last-child {
  border-right: 0;
}

.service-card:hover,
.service-card.is-active {
  background: linear-gradient(155deg, rgba(18, 216, 229, 0.18), rgba(6, 47, 67, 0.25));
}

.service-index {
  color: var(--aqua);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.service-icon {
  display: block;
  width: 70px;
  height: 70px;
  margin: 58px 0 40px;
  fill: none;
  stroke: var(--aqua-soft);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
}

.service-card h3 {
  max-width: 220px;
  margin-bottom: 20px;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2vw, 2.2rem);
  font-weight: 400;
  line-height: 1.12;
}

.service-card p {
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.75;
}

.service-select {
  position: absolute;
  right: clamp(26px, 3vw, 48px);
  bottom: 30px;
  left: clamp(26px, 3vw, 48px);
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  color: rgba(255, 255, 255, 0.73);
  background: transparent;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}

.service-select b {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--aqua);
  font-size: 1rem;
  font-weight: 400;
  transition: transform 0.35s ease, background 0.35s ease;
}

.service-select:hover b {
  color: var(--ink);
  background: var(--aqua);
  transform: rotate(90deg);
}

.water-story {
  display: grid;
  min-height: 780px;
  grid-template-columns: 1.05fr 0.95fr;
  padding: 0;
  color: var(--white);
  background: var(--ink-2);
}

.water-visual {
  position: relative;
  min-height: 0;
  align-self: center;
  padding: clamp(18px, 2vw, 36px);
}

.water-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 1280 / 853;
  object-fit: contain;
  object-position: center;
}

.visual-label {
  display: block;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-align: center;
  text-transform: uppercase;
}

.water-copy {
  display: flex;
  max-width: 720px;
  flex-direction: column;
  justify-content: center;
  padding: clamp(70px, 8vw, 130px);
}

.water-copy h2 {
  margin-bottom: 34px;
  font-size: clamp(3rem, 5vw, 5.8rem);
}

.water-copy > p:not(.eyebrow) {
  max-width: 580px;
  color: var(--mist);
  line-height: 1.8;
}

.system-list {
  margin-top: 35px;
  border-top: 1px solid var(--line-dark);
}

.system-list > div {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  padding: 21px 0;
  border-bottom: 1px solid var(--line-dark);
}

.system-list > div > span {
  color: var(--aqua);
  font-size: 0.62rem;
  font-weight: 800;
}

.system-list p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
}

.system-list strong {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 400;
}

.system-list small {
  color: var(--mist);
  font-size: 0.73rem;
}

.approach {
  display: grid;
  grid-template-columns: 0.35fr 1.4fr 1fr;
  gap: clamp(30px, 5vw, 90px);
  background: var(--ivory);
}

.approach-heading h2 {
  max-width: 720px;
  font-size: clamp(3rem, 5vw, 5.8rem);
}

.steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 22px;
  padding: 0 0 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line-light);
}

.steps li > span {
  color: #0a7f8a;
  font-size: 0.63rem;
  font-weight: 800;
}

.steps h3 {
  margin: -7px 0 9px;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2vw, 2.1rem);
  font-weight: 400;
}

.steps p {
  margin: 0;
  color: #526a74;
  font-size: 0.9rem;
  line-height: 1.7;
}

.clientele {
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(3, 25, 37, 0.97), rgba(3, 25, 37, 0.72)),
    url("../images/saleaqua-hero.webp") center / cover fixed;
}

.clientele-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(60px, 8vw, 140px);
}

.clientele h2 {
  max-width: 740px;
  font-size: clamp(3.5rem, 6vw, 7rem);
}

.clientele-intro {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
}

.client-list {
  border-top: 1px solid var(--line-dark);
}

.client-list button {
  display: flex;
  width: 100%;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  padding: 0;
  border-bottom: 1px solid var(--line-dark);
  color: var(--white);
  background: transparent;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  text-align: left;
  cursor: pointer;
  transition: color 0.3s ease, padding 0.3s var(--ease);
}

.client-list button:hover {
  padding-left: 12px;
  color: var(--aqua-soft);
}

.client-list b {
  color: var(--aqua);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 400;
}

.service-area {
  overflow: hidden;
  background: #e9efeb;
}

.area-grid {
  display: grid;
  min-height: 610px;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(60px, 9vw, 150px);
  align-items: center;
}

.area-copy h2 {
  margin-bottom: 32px;
  font-size: clamp(3.4rem, 5.6vw, 6.2rem);
}

.area-copy > p:not(.eyebrow):not(.area-status):not(.area-location) {
  max-width: 550px;
  color: #4b646e;
  line-height: 1.8;
}

.area-location {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  margin: 34px 0 0;
  padding: 8px 18px;
  border-radius: 100px;
  color: var(--white);
  background: var(--ink);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.area-location::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aqua);
  content: "";
}

.area-status {
  min-height: 42px;
  margin: 24px 0 0;
  color: #0a737d;
  font-size: 0.8rem;
}

.penthouse-card {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 32px 70px rgba(3, 25, 37, 0.17);
}

.penthouse-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
}

.penthouse-card figcaption {
  padding: clamp(24px, 3vw, 40px);
}

.penthouse-card .eyebrow {
  margin-bottom: 18px;
  font-size: 0.64rem;
}

.penthouse-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 2.6vw, 2.7rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.14;
}

.penthouse-description {
  margin: 16px 0 22px;
  color: var(--mist);
  font-size: 0.88rem;
  line-height: 1.75;
}

.penthouse-card small {
  display: block;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.faq {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(60px, 9vw, 150px);
}

.faq-heading h2 {
  font-size: clamp(3.4rem, 5vw, 5.8rem);
}

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

.faq details {
  border-bottom: 1px solid var(--line-light);
}

.faq summary {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  cursor: pointer;
  list-style: none;
}

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

.faq summary b {
  color: #0a7f8a;
  font-family: var(--sans);
  font-size: 1.35rem;
  font-weight: 400;
  transition: transform 0.25s ease;
}

.faq details[open] summary b {
  transform: rotate(45deg);
}

.faq details p {
  max-width: 680px;
  padding: 0 55px 30px 0;
  margin: 0;
  color: #526a74;
  line-height: 1.8;
}

.contact {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 20% 0%, rgba(18, 216, 229, 0.16), transparent 32%),
    var(--ink);
}

.contact::after {
  position: absolute;
  right: -10vw;
  bottom: -40vw;
  width: 70vw;
  height: 70vw;
  border: 1px solid rgba(18, 216, 229, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 8vw rgba(18, 216, 229, 0.025), 0 0 0 16vw rgba(18, 216, 229, 0.018);
  content: "";
  pointer-events: none;
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(70px, 10vw, 160px);
}

.contact-copy h2 {
  margin-bottom: 32px;
  font-size: clamp(3.5rem, 5.8vw, 6.6rem);
}

.contact-copy > p:not(.eyebrow) {
  max-width: 510px;
  color: var(--mist);
  line-height: 1.8;
}

.contact-note {
  display: grid;
  grid-template-columns: repeat(3, 42px);
  gap: 7px;
  align-items: center;
  margin-top: 44px;
}

.contact-note > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--aqua);
  font-size: 0.64rem;
  font-weight: 800;
}

.contact-note p {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.76rem;
}

.inquiry-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 22px;
  padding: clamp(28px, 4.5vw, 64px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(6, 47, 67, 0.5);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.17);
  backdrop-filter: blur(14px);
}

.field.full,
.form-footer.full,
.form-status.full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 54px;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 0;
  outline: 0;
  color: var(--white);
  background: transparent;
  transition: border-color 0.25s ease;
}

.field select {
  color-scheme: dark;
}

.field textarea {
  min-height: 115px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.34);
}

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

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 0;
}

.form-footer {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}

.form-footer p {
  max-width: 230px;
  margin: 0;
  color: rgba(255, 255, 255, 0.43);
  font-size: 0.67rem;
  line-height: 1.5;
}

.form-status {
  display: none;
  padding: 14px 16px;
  border: 1px solid rgba(18, 216, 229, 0.3);
  border-radius: 10px;
  color: var(--aqua-soft);
  background: rgba(18, 216, 229, 0.07);
  font-size: 0.82rem;
}

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

.site-footer {
  color: var(--white);
  background: #02131d;
}

.footer-top {
  display: grid;
  grid-template-columns: 260px 1fr 56px;
  gap: 60px;
  align-items: center;
  padding-block: 70px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-top img {
  width: 245px;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: contain;
  background: transparent;
}

.footer-top p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  text-align: center;
}

.back-top {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  color: var(--aqua);
  transition: color 0.25s ease, background 0.25s ease;
}

.back-top:hover {
  color: var(--ink);
  background: var(--aqua);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  min-height: 85px;
  padding-block: 22px;
  padding-inline-end: 120px;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-credit a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.35);
  text-underline-offset: 4px;
}

.footer-credit a:hover,
.footer-credit a:focus-visible {
  color: var(--aqua);
  text-decoration-color: currentColor;
}

.whatsapp-float {
  position: fixed;
  z-index: 90;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  display: flex;
  min-height: 52px;
  gap: 10px;
  align-items: center;
  padding: 10px 17px 10px 12px;
  border-radius: 100px;
  color: #fff;
  background: #1eaa59;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.26);
  font-size: 0.7rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.32);
  transform: translateY(-4px);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

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

@media (max-width: 1120px) {
  .nav-shell {
    grid-template-columns: 1fr auto auto;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    display: flex;
    width: min(82vw, 420px);
    height: 100svh;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    justify-content: center;
    padding: 100px 42px 50px;
    background: #031925;
    box-shadow: -25px 0 70px rgba(0, 0, 0, 0.28);
    transform: translateX(105%);
    transition: transform 0.45s var(--ease);
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .main-nav a {
    padding: 20px 0;
    border-bottom: 1px solid var(--line-dark);
    font-family: var(--serif);
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: block;
    grid-column: 3;
    grid-row: 1;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .language-switcher {
    grid-column: 2;
    grid-row: 1;
  }

  .promise {
    grid-template-columns: 50px 1fr;
  }

  .promise-detail {
    grid-column: 2;
    max-width: 650px;
    padding-top: 0;
  }

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

  .service-card:nth-child(2) {
    border-right: 0;
  }

  .service-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-dark);
  }

  .approach {
    grid-template-columns: 50px 1.3fr 0.9fr;
    gap: 30px;
  }

  .area-grid,
  .contact-grid {
    gap: 60px;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(89vw, 680px);
  }

  .section {
    padding-block: 90px;
  }

  .site-header {
    padding: 10px 0;
    background: rgba(3, 25, 37, 0.7);
    backdrop-filter: blur(14px);
  }

  .brand {
    width: 145px;
  }

  .nav-shell {
    gap: 10px;
  }

  .language-switcher a {
    min-width: 34px;
    min-height: 32px;
  }

  .hero {
    min-height: max(720px, 100svh);
  }

  .hero-video {
    object-position: 62% center;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(2, 18, 30, 0.94), rgba(2, 18, 30, 0.46)), linear-gradient(0deg, rgba(2, 18, 30, 0.88), transparent 55%);
  }

  .hero h1 {
    font-size: clamp(3.4rem, 13vw, 6rem);
  }

  .hero-content {
    padding-top: 105px;
  }

  .scroll-cue {
    display: none;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    padding-block: 5px;
  }

  .trust-grid p,
  .trust-grid p:last-child {
    min-height: 72px;
    padding: 15px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
    border-left: 0;
  }

  .trust-grid p:last-child {
    border-bottom: 0;
  }

  .promise {
    display: block;
  }

  .section-number {
    margin-bottom: 25px;
  }

  .promise-detail {
    max-width: none;
    margin-top: 38px;
  }

  .section-heading,
  .clientele-grid,
  .area-grid,
  .faq,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 30px;
  }

  .service-stage {
    grid-template-columns: 1fr;
  }

  .service-card,
  .service-card:nth-child(2),
  .service-card:nth-child(-n + 2) {
    min-height: 410px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .service-card:last-child {
    border-bottom: 0;
  }

  .service-icon {
    margin: 35px 0 28px;
  }

  .water-story {
    grid-template-columns: 1fr;
  }

  .water-visual {
    min-height: 0;
  }

  .water-copy {
    max-width: var(--shell);
    padding: 90px 0;
    margin-inline: auto;
  }

  .approach {
    display: block;
  }

  .approach-heading {
    margin-bottom: 60px;
  }

  .steps {
    max-width: 650px;
  }

  .clientele {
    background-attachment: scroll;
  }

  .clientele-grid {
    gap: 60px;
  }

  .area-grid {
    gap: 55px;
  }

  .penthouse-card {
    order: -1;
  }

  .faq {
    gap: 55px;
  }

  .contact-grid {
    gap: 60px;
  }

  .footer-top {
    grid-template-columns: 1fr 56px;
    gap: 30px;
  }

  .footer-top p {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    justify-content: center;
    padding-block: 25px;
    padding-inline-end: 60px;
  }
}

@media (max-width: 560px) {
  .language-switcher {
    gap: 0;
  }

  .language-switcher a {
    min-width: 30px;
    min-height: 30px;
    font-size: 0.58rem;
  }

  .menu-toggle {
    width: 38px;
  }

  .brand {
    width: 126px;
  }

  .hero {
    min-height: max(700px, 100svh);
  }

  .hero h1 {
    margin-bottom: 24px;
    font-size: clamp(3.2rem, 16vw, 4.7rem);
  }

  .hero h1 br {
    display: none;
  }

  .hero-lead {
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .hero-location {
    margin-top: 30px;
    font-size: 0.61rem;
  }

  h2,
  .promise h2,
  .section-heading h2,
  .water-copy h2,
  .approach-heading h2,
  .clientele h2,
  .area-copy h2,
  .faq-heading h2,
  .contact-copy h2 {
    font-size: clamp(2.7rem, 13vw, 4.1rem);
  }

  .service-card {
    padding: 30px;
  }

  .water-visual {
    min-height: 0;
  }

  .system-list p {
    display: block;
  }

  .system-list small {
    display: block;
    margin-top: 3px;
  }

  .inquiry-form {
    grid-template-columns: 1fr;
    padding: 28px 22px;
  }

  .field.full,
  .form-footer.full,
  .form-status.full {
    grid-column: auto;
  }

  .form-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .form-footer p {
    max-width: none;
  }

  .footer-top {
    grid-template-columns: 1fr 52px;
    padding-block: 55px;
  }

  .footer-top img {
    width: 195px;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    width: 54px;
    height: 54px;
    justify-content: center;
    padding: 0;
  }

  .whatsapp-float span {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-video {
    display: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}