/* Hallmark · landing redesign · product-led / calm editorial
 * Audience: aquarium hobbyists · CTA: explore + launch enquiry · Theme: Aqua Air
 * Pre-emit critique: P4 H5 E4 S5 R5 V4
 */
.landing {
  --color-deep: #103f47;
  --color-soft: #ecf5ee;
  --color-lime: #d9e9bc;
  --color-shadow: rgb(18 57 74 / 16%);
  --space-section: 104px;
}
.landing .site-header,
.landing main,
.landing .site-footer {
  width: min(1240px, calc(100% - 80px));
}
.landing-header {
  padding-block: 24px;
  border-bottom: 0;
}
.landing-header .brand {
  font-size: 25px;
}
.landing-header nav {
  gap: 30px;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--color-line);
  border-radius: 100px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  text-decoration: none;
  min-height: 44px;
}
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  align-items: center;
  gap: 30px;
  min-height: 730px;
  padding-block: 40px 76px;
}
.availability {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 650;
  margin: 0 0 26px;
}
.availability > span {
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
}
.landing h1 {
  font-size: clamp(46px, 5.5vw, 77px);
  line-height: 1.07;
  letter-spacing: -0.06em;
  font-weight: 720;
  margin-bottom: 27px;
}
.landing h1 > span {
  color: var(--color-accent);
}
.hero-description {
  max-width: 490px;
  font-size: 20px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 31px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px 25px;
  flex-wrap: wrap;
}
.landing .button {
  min-height: 54px;
  border-radius: 13px;
  gap: 22px;
  padding: 15px 23px;
  font-size: 15px;
}
.quiet-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}
.quiet-link:hover {
  text-decoration: underline;
}
.hero-footnote {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 25px;
  color: var(--color-muted);
}
.hero-footnote svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex: none;
}
.hero-footnote p {
  font-size: 12px;
  margin: 0;
}
.hero-preview {
  position: relative;
  height: 640px;
  min-width: 0;
  margin: 0;
}
.preview-orbit {
  position: absolute;
  width: 96%;
  aspect-ratio: 1;
  background: var(--color-tint);
  border-radius: 50%;
  top: 80px;
  left: 4%;
}
.preview-back,
.preview-front {
  position: absolute;
  width: 46%;
  border-radius: 25px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  box-shadow: 0 22px 50px var(--color-shadow);
}
.preview-back {
  width: 44%;
  height: auto;
  left: 3%;
  top: 78px;
  transform: rotate(-7deg);
}
.preview-front {
  right: 4%;
  top: 12px;
  transform: rotate(5deg);
  display: block;
}
.preview-front img {
  display: block;
  width: 100%;
  height: auto;
}
.hero-preview figcaption {
  position: absolute;
  bottom: 0;
  width: 100%;
  text-align: center;
  font-size: 11px;
  color: var(--color-muted);
}
.product-principles {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px 28px;
  padding-block: 25px;
  border-block: 1px solid var(--color-line);
}
.product-principles p {
  margin: 0;
  font-size: 14px;
  font-weight: 550;
  display: flex;
  gap: 12px;
  align-items: center;
}
.product-principles p > span {
  font-size: 16px;
  color: var(--color-accent);
}
.tank-story {
  padding-block: var(--space-section);
}
.section-intro {
  max-width: 750px;
  margin-bottom: 50px;
}
.landing .eyebrow {
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}
.landing h2 {
  font-size: clamp(32px, 3.2vw, 47px);
  line-height: 1.17;
  letter-spacing: -0.045em;
}
.section-intro > p:last-child {
  max-width: 510px;
  font-size: 18px;
  color: var(--color-muted);
  margin: 0;
}
.tank-story-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}
.aquarium-scene {
  position: relative;
  margin: 0;
  border-radius: 26px;
  overflow: hidden;
  min-height: 380px;
  background: var(--color-deep);
}
.aquarium-scene img {
  display: block;
  width: 100%;
  height: 330px;
  object-fit: cover;
  object-position: center;
}
.aquarium-scene figcaption {
  padding: 20px 25px;
  color: var(--color-paper);
  font-size: 13px;
}
.feature-lines {
  display: flex;
  flex-direction: column;
}
.feature-lines article {
  display: flex;
  gap: 20px;
  padding: 25px 0;
  border-bottom: 1px solid var(--color-line);
}
.feature-lines article:first-child {
  padding-top: 0;
}
.feature-lines article:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.feature-number {
  font-size: 12px;
  color: var(--color-accent);
  padding-top: 4px;
  flex: none;
}
.landing h3 {
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -0.025em;
  margin-bottom: 10px;
}
.feature-lines p,
.routine-points p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
  margin: 0;
}
.routine-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 80px;
  align-items: center;
  padding: 70px 64px;
  background: var(--color-tint);
  border-radius: 32px;
}
.section-lead {
  font-size: 18px;
  color: var(--color-muted);
  margin: 0 0 28px;
}
.routine-points {
  border-top: 1px solid var(--color-line);
}
.routine-points article {
  padding-top: 22px;
}
.routine-points h3 {
  font-size: 17px;
  margin-bottom: 5px;
}
.calendar-preview {
  position: relative;
  margin: 0;
  min-height: 610px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 15px;
}
.calendar-backdrop {
  position: absolute;
  inset: 50px -20px 60px;
  border-radius: 100% 100% 45% 45%;
  background: var(--color-bg);
}
.calendar-preview > a {
  display: block;
  position: relative;
  max-width: 265px;
  width: 82%;
  border: 1px solid var(--color-line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 45px var(--color-shadow);
  transform: rotate(3deg);
}
.calendar-preview img {
  display: block;
  width: 100%;
  height: auto;
}
.calendar-preview figcaption {
  position: relative;
  font-size: 11px;
  color: var(--color-muted);
}
.local-first {
  display: grid;
  grid-template-columns: 72px minmax(0, 1.3fr) minmax(0, 0.8fr);
  gap: 32px;
  padding-block: var(--space-section);
  align-items: start;
}
.privacy-mark {
  width: 62px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-soft);
  color: var(--color-accent);
  border-radius: 22px;
}
.privacy-mark svg {
  width: 35px;
  height: 35px;
}
.local-first h2 {
  font-size: 35px;
}
.local-first p:not(.eyebrow) {
  color: var(--color-muted);
  font-size: 16px;
}
.local-first aside {
  padding: 24px 0 0 35px;
  border-left: 1px solid var(--color-line);
  margin-left: 20px;
}
.local-first aside .language-note {
  font-weight: 650;
  color: var(--color-ink);
  font-size: 17px;
  margin-top: 0;
}
.local-first aside > p:last-child {
  font-size: 14px;
  line-height: 2;
}
.launch-section {
  text-align: center;
  background: var(--color-deep);
  color: var(--color-paper);
  border-radius: 30px;
  padding: 65px 30px 55px;
}
.launch-section .eyebrow {
  color: var(--color-lime);
}
.launch-section h2 {
  font-size: clamp(34px, 4vw, 52px);
  margin-bottom: 23px;
}
.launch-section > p:not(.eyebrow):not(.launch-note) {
  max-width: 500px;
  margin: 0 auto 30px;
  color: var(--color-tint);
  font-size: 17px;
}
.launch-section .button {
  background: var(--color-paper);
  color: var(--color-deep);
}
.launch-section .button:hover {
  background: var(--color-lime);
}
.launch-section .launch-note {
  font-size: 11px;
  color: var(--color-tint);
  margin: 16px 0 0;
}
.product-notes {
  max-width: 760px;
  margin: 24px auto 66px;
  text-align: center;
  font-size: 11px;
  line-height: 1.8;
  color: var(--color-muted);
}
.landing-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding-block: 32px;
}
.landing-footer .brand {
  font-size: 20px;
}
.landing-footer > div > p {
  font-size: 12px;
  color: var(--color-muted);
  margin: 12px 0 0;
}
.landing-footer nav {
  align-items: center;
  gap: 24px;
  margin: 0;
}
.landing-footer > .fine {
  grid-column: 1/-1;
  font-size: 11px;
  margin: 0;
}
.preview-front,
.calendar-preview > a {
  transition: transform 0.2s ease;
}
.preview-front:hover {
  transform: rotate(2deg) translateY(-4px);
}
.calendar-preview > a:hover {
  transform: rotate(0);
}
@media (min-width: 1440px) {
  .hero-preview {
    height: 650px;
  }
  .preview-back {
    top: 80px;
  }
  .preview-front {
    top: 5px;
  }
}
@media (max-width: 1100px) {
  .landing .site-header,
  .landing main,
  .landing .site-footer {
    width: calc(100% - 64px);
  }
  .landing-header nav {
    gap: 19px;
  }
  .landing-hero {
    min-height: 650px;
    gap: 15px;
  }
  .hero-preview {
    height: 560px;
  }
  .preview-back {
    left: 0;
    top: 85px;
    width: 44%;
  }
  .preview-front {
    right: 2%;
    top: 40px;
    width: 49%;
  }
  .hero-description {
    font-size: 18px;
  }
  .hero-actions {
    gap: 10px 18px;
  }
  .routine-story {
    gap: 40px;
    padding: 55px 40px;
  }
  .calendar-preview {
    min-height: 540px;
  }
  .tank-story-layout {
    gap: 40px;
  }
  .local-first {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 25px;
  }
  .local-first aside {
    grid-column: 2;
    margin: 0;
    padding: 0;
    border: 0;
  }
  .landing-footer {
    grid-template-columns: minmax(0, 1fr);
  }
  .landing-footer nav {
    gap: 25px;
  }
}
@media (max-width: 800px) {
  .landing {
    --space-section: 72px;
  }
  .landing-header .header-cta {
    display: none;
  }
  .landing-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding-top: 45px;
    padding-bottom: 48px;
  }
  .hero-copy {
    max-width: 610px;
  }
  .landing h1 {
    font-size: clamp(46px, 7.3vw, 65px);
  }
  .hero-description {
    max-width: 530px;
  }
  .hero-preview {
    width: 490px;
    max-width: 100%;
    height: 570px;
    justify-self: center;
  }
  .preview-back {
    width: 44%;
    left: 8%;
    top: 90px;
  }
  .preview-front {
    width: 46%;
    right: 7%;
    top: 14px;
  }
  .preview-orbit {
    width: 87%;
    left: 6%;
    top: 65px;
  }
  .hero-preview figcaption {
    bottom: 0;
  }
  .product-principles {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }
  .tank-story-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 35px;
  }
  .aquarium-scene {
    min-height: 0;
  }
  .aquarium-scene img {
    height: 320px;
  }
  .routine-story {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 45px 36px;
  }
  .calendar-preview {
    min-height: 565px;
  }
  .calendar-backdrop {
    inset: 45px 10% 50px;
  }
  .calendar-preview > a {
    width: 245px;
    max-width: 80%;
  }
  .section-intro {
    margin-bottom: 35px;
  }
  .feature-lines article {
    padding: 22px 0;
  }
  .local-first h2 {
    font-size: 31px;
  }
  .launch-section {
    padding: 55px 30px 45px;
  }
}
@media (max-width: 600px) {
  .landing .site-header,
  .landing main,
  .landing .site-footer {
    width: calc(100% - 40px);
  }
  .landing-header {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-block: 20px;
  }
  .landing-header nav {
    gap: 20px;
  }
  .landing-header nav a {
    font-size: 13px;
  }
  .landing-header .brand {
    font-size: 22px;
  }
  .landing-header .brand img {
    width: 35px;
    height: 35px;
    border-radius: 10px;
  }
  .landing-hero {
    padding-top: 33px;
    padding-bottom: 38px;
  }
  .availability {
    font-size: 12px;
    margin-bottom: 22px;
  }
  .landing h1 {
    font-size: clamp(39px, 8.8vw, 52px);
    line-height: 1.1;
    margin-bottom: 23px;
  }
  .hero-description {
    font-size: 17px;
    line-height: 1.75;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
  .landing .button {
    min-height: 51px;
    padding: 13px 21px;
    font-size: 14px;
  }
  .quiet-link {
    font-size: 13px;
  }
  .hero-footnote {
    margin-top: 18px;
    gap: 8px;
  }
  .hero-footnote p {
    font-size: 11px;
  }
  .hero-preview {
    height: 480px;
    width: 390px;
    margin-top: 6px;
  }
  .preview-front {
    width: 49%;
    right: 5%;
    top: 18px;
    border-radius: 18px;
  }
  .preview-back {
    width: 47%;
    left: 5%;
    top: 85px;
    border-radius: 18px;
  }
  .preview-orbit {
    top: 80px;
    width: 94%;
    left: 2%;
  }
  .hero-preview figcaption {
    font-size: 10px;
    bottom: 3px;
  }
  .product-principles {
    padding-block: 22px;
    gap: 16px 12px;
  }
  .product-principles p {
    font-size: 11px;
    gap: 7px;
  }
  .product-principles p > span {
    font-size: 13px;
  }
  .landing .eyebrow {
    font-size: 10px;
  }
  .landing h2 {
    font-size: 32px;
  }
  .section-intro > p:last-child {
    font-size: 16px;
  }
  .aquarium-scene {
    border-radius: 21px;
  }
  .aquarium-scene img {
    height: 220px;
  }
  .aquarium-scene figcaption {
    font-size: 11px;
    padding: 16px 20px;
  }
  .feature-lines article {
    gap: 16px;
  }
  .landing h3 {
    font-size: 20px;
  }
  .routine-story {
    border-radius: 24px;
    padding: 35px 23px;
  }
  .routine-story h2 {
    font-size: 30px;
  }
  .section-lead {
    font-size: 16px;
  }
  .routine-points h3 {
    font-size: 17px;
  }
  .routine-points p {
    font-size: 14px;
  }
  .calendar-preview {
    min-height: 535px;
  }
  .calendar-preview > a {
    width: 222px;
    border-radius: 21px;
    max-width: 90%;
  }
  .calendar-backdrop {
    inset: 40px -5px 50px;
  }
  .local-first {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .local-first aside {
    grid-column: auto;
    padding-top: 20px;
    border-top: 1px solid var(--color-line);
  }
  .local-first h2 {
    font-size: 31px;
  }
  .privacy-mark {
    width: 54px;
    height: 62px;
    border-radius: 18px;
  }
  .local-first p:not(.eyebrow) {
    font-size: 15px;
  }
  .launch-section {
    padding: 43px 22px 35px;
    border-radius: 24px;
  }
  .launch-section h2 {
    font-size: 33px;
  }
  .launch-section > p:not(.eyebrow):not(.launch-note) {
    font-size: 15px;
  }
  .launch-section .launch-note {
    font-size: 10px;
  }
  .product-notes {
    font-size: 10px;
    margin-bottom: 45px;
  }
  .landing-footer nav {
    gap: 15px;
  }
  .landing-footer nav a {
    font-size: 12px;
  }
  .landing-footer .fine {
    font-size: 10px;
  }
}
@media (max-width: 375px) {
  .hero-preview {
    height: 440px;
  }
  .preview-back {
    top: 75px;
  }
  .hero-footnote p {
    font-size: 10px;
  }
  .landing h1 {
    font-size: clamp(36px, 9vw, 43px);
  }
  .landing-header nav {
    gap: 18px;
  }
  .landing h2 {
    font-size: 29px;
  }
  .routine-story {
    padding-inline: 20px;
  }
  .calendar-preview {
    min-height: 490px;
  }
  .calendar-preview > a {
    width: 203px;
  }
  .launch-section h2 {
    font-size: 29px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .preview-front,
  .calendar-preview > a {
    transition: none;
  }
  .preview-front:hover {
    transform: rotate(5deg);
  }
  .calendar-preview > a:hover {
    transform: rotate(3deg);
  }
}