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

html {
  color-scheme: dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #020b18;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  padding-block: clamp(2rem, 7vh, 5rem);
  background:
    radial-gradient(ellipse 42% 68% at 68% 42%, rgb(25 98 196 / 25%), transparent 72%),
    radial-gradient(ellipse 24% 32% at 82% 17%, rgb(19 71 137 / 16%), transparent 76%),
    linear-gradient(123deg, #020914 0%, #061329 55%, #020b18 100%);
  background-attachment: fixed;
  color: #f6f8fc;
  line-height: 1.5;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.2em; }
a:focus-visible { outline: 0.2rem solid #78b7ff; outline-offset: 0.25rem; }

/* Home owns one outer frame. The header is a dedicated row above the inset
   hero, so artwork geometry can never enter navigation's layout or hit area. */
.hero-shell {
  isolation: isolate;
  width: min(calc(100% - 4rem), 83rem);
  margin: 0 auto;
  border: 1px solid rgb(143 181 232 / 30%);
  border-radius: 2rem;
  background: rgb(7 20 40 / 72%);
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 20%), inset 0 0 4rem rgb(36 105 203 / 5%);
}

@supports (backdrop-filter: blur(1rem)) {
  .hero-shell { background: rgb(7 20 40 / 48%); backdrop-filter: blur(1.2rem); }
}

.site-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  padding: 2.25rem 3.25rem;
  border-bottom: 1px solid rgb(110 145 192 / 12%);
}

.brand { display: flex; flex: none; align-items: center; gap: 0.75rem; font-size: 0.95rem; font-weight: 650; text-decoration: none; }
.brand-mark { color: #116ef1; font-size: 2rem; font-weight: 500; letter-spacing: -0.28em; line-height: 1; }
.brand-mark span { color: #f4f6fa; }
.nav-list, .trust-list { display: flex; margin: 0; padding: 0; list-style: none; }
.nav-list { gap: 1.9rem; color: #dde3ec; font-size: 0.72rem; text-transform: uppercase; }
.nav-list a { display: block; padding-block: 0.35rem; text-decoration: none; white-space: nowrap; }

/* The inset surface transfers PR #8's restrained card depth without copying a
   secondary-page layout. Its asymmetric grid remains distinctly product-led. */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 59%) minmax(20rem, 41%);
  min-height: 36rem;
  margin: 1.5rem;
  border: 1px solid rgb(119 164 225 / 22%);
  border-radius: 1.5rem;
  background:
    radial-gradient(circle at 82% 48%, rgb(22 104 225 / 18%), transparent 38%),
    linear-gradient(125deg, rgb(12 35 70 / 78%), rgb(4 18 38 / 50%));
  box-shadow: inset 0 1px rgb(255 255 255 / 2%), 0 1.5rem 3rem rgb(0 0 0 / 12%);
}

.hero-content { display: flex; flex-direction: column; min-width: 0; padding: clamp(3.5rem, 6vw, 5rem) clamp(2.5rem, 5vw, 4.5rem) 2.5rem; }
h1 { max-width: 36rem; margin: 0; font-size: clamp(3.3rem, 4.6vw, 4.7rem); font-weight: 720; letter-spacing: -0.045em; line-height: 1.08; }
.headline-stop { color: #0878ff; }
.headline-accent { width: 4.8rem; height: 0.2rem; margin-top: 1.8rem; border-radius: 1rem; background: #0878ff; box-shadow: 0 0 1rem rgb(8 120 255 / 28%); }
.intro { max-width: 31rem; margin: 1.8rem 0 0; color: #e5e9ef; font-size: 1.16rem; line-height: 1.45; }
.primary-link { display: flex; align-items: center; justify-content: space-between; width: 13.5rem; margin-top: 2.8rem; padding: 0.85rem 1.55rem 0.85rem 2.35rem; border: 1px solid rgb(91 169 255 / 48%); border-radius: 999px; background: linear-gradient(100deg, #075de8, #087af7); box-shadow: 0 0.8rem 2rem rgb(0 91 224 / 18%); font-size: 1.1rem; text-decoration: none; }
.primary-link span { font-size: 1.65rem; font-weight: 300; line-height: 0.8; }
.trust-list { align-items: center; margin-top: auto; padding-top: 1.6rem; border-top: 1px solid rgb(110 145 192 / 15%); color: #d8dee7; font-size: 0.84rem; }
.trust-list li { flex: 1 1 auto; padding-inline: 1.2rem; text-align: center; }
.trust-list li:first-child { padding-left: 0; }
.trust-list li + li { border-left: 1px solid rgb(114 147 192 / 18%); }

.hero-artwork { position: relative; min-width: 0; }
.hero-artwork::after { position: absolute; z-index: 0; right: 5%; bottom: 3%; width: 90%; height: 18%; border-radius: 50%; background: rgb(22 104 225 / 22%); filter: blur(2.5rem); content: ""; }
.hero-artwork img { position: absolute; z-index: 1; inset: 1rem 50% 0 auto; width: min(calc(100% - 1rem), 28rem); height: calc(100% - 1rem); transform: translateX(50%); object-fit: contain; object-position: center bottom; filter: drop-shadow(0 2rem 2rem rgb(0 0 0 / 35%)); }

/* The asymmetric grid remains viable through 1001px; sizing becomes fluid well
   before either column is squeezed, with the phone still wholly hero-owned. */
@media (max-width: 74rem) {
  body { padding-block: clamp(1.5rem, 5vh, 3rem); }
  .hero-shell { width: min(calc(100% - 3rem), 64rem); }
  .site-header { padding-inline: clamp(2rem, 5vw, 3.25rem); }
  .nav-list { gap: clamp(1.1rem, 3vw, 1.9rem); }
  .hero { grid-template-columns: minmax(0, 58%) minmax(18rem, 42%); }
  .hero-content { padding-inline: clamp(2rem, 5vw, 3.5rem); }
  h1 { font-size: clamp(3.3rem, 6.4vw, 4.4rem); }
}

/* At the measured content/artwork boundary, Home becomes one naturally
   scrolling story. display: contents preserves phone-before-trust ordering. */
@media (max-width: 62.5rem) {
  body { padding-block: 1rem 3rem; }
  .hero-shell { width: min(calc(100% - 2rem), 52rem); border-radius: 1.5rem; }
  .site-header { flex-direction: column; align-items: flex-start; gap: 1.25rem; padding: 1.75rem clamp(1.25rem, 6vw, 2.5rem); }
  .site-header nav { width: 100%; }
  .nav-list { display: grid; grid-template-columns: repeat(4, auto); justify-content: space-between; gap: 0.75rem; }
  .hero { display: flex; min-height: 0; flex-direction: column; margin: 1rem; padding: clamp(2.5rem, 7vw, 4rem) clamp(1.25rem, 6vw, 2.5rem) 2rem; border-radius: 1.15rem; }
  .hero-content { display: contents; }
  h1 { font-size: clamp(2.75rem, 11vw, 4rem); }
  .intro { max-width: 34rem; }
  .trust-list { order: 2; width: 100%; margin-top: 2rem; }
  .hero-artwork { order: 1; align-self: center; width: min(100%, 30rem); min-height: clamp(27rem, 72vw, 36rem); margin-top: 1rem; }
  .hero-artwork img { inset: 0 50% 0 auto; width: min(100%, 27rem); height: 100%; }
}

/* Short landscape hosts regain the compact two-column narrative. The artwork
   starts inside the hero row, independently beneath the protected header. */
@media (max-width: 62.5rem) and (min-width: 43rem) and (max-height: 50rem) and (orientation: landscape) {
  body { padding-block: 1rem 2rem; }
  .hero-shell { width: min(calc(100% - 2rem), 58rem); }
  .site-header { flex-direction: row; align-items: center; gap: 1.5rem; padding: 1.25rem 2rem; }
  .site-header nav { width: auto; }
  .hero { display: grid; grid-template-columns: minmax(0, 58%) minmax(0, 42%); min-height: 30rem; padding: 0; }
  .hero-content { display: flex; padding: 2.5rem 1.5rem 2rem 2rem; }
  h1 { font-size: clamp(2.8rem, 6vw, 3.6rem); }
  .intro { margin-top: 1.35rem; font-size: 1rem; }
  .primary-link { margin-top: 2rem; }
  .trust-list { order: initial; width: auto; margin-top: auto; }
  .hero-artwork { order: initial; align-self: stretch; width: auto; min-height: 0; margin-top: 0; }
  .hero-artwork img { inset: 0.75rem 50% 0 auto; width: min(calc(100% - 1rem), 21rem); height: calc(100% - 0.75rem); }
}

@media (max-width: 31rem) {
  .brand { font-size: 0.9rem; }
  .nav-list { font-size: 0.66rem; }
  .hero { margin: 0.75rem; padding-inline: 1.25rem; }
  .primary-link { max-width: 100%; }
  .trust-list { align-items: stretch; flex-direction: column; gap: 0; padding-top: 0.75rem; }
  .trust-list li { padding: 0.8rem 0; text-align: left; }
  .trust-list li + li { border-top: 1px solid rgb(114 147 192 / 18%); border-left: 0; }
}

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

/* Secondary pages inherit the established environment and framing while
   allowing their content, rather than a hero image, to determine page height. */
.page-shell {
  width: min(calc(100% - 4rem), 83rem);
  margin: 0 auto;
  border: 1px solid rgb(143 181 232 / 30%);
  border-radius: 2rem;
  background: rgb(7 20 40 / 72%);
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 20%), inset 0 0 4rem rgb(36 105 203 / 5%);
}

@supports (backdrop-filter: blur(1rem)) {
  .page-shell { background: rgb(7 20 40 / 48%); backdrop-filter: blur(1.2rem); }
}

.page-header { width: 100%; padding-bottom: 2.8rem; }
.nav-list a[aria-current="page"] { color: #78b7ff; }
.page-main { padding: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 6vw, 5.5rem); border-top: 1px solid rgb(110 145 192 / 12%); }
.page-intro { max-width: 54rem; margin-bottom: clamp(3rem, 7vw, 5.5rem); }
.compact-intro { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.eyebrow { margin: 0 0 1rem; color: #78b7ff; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.page-lede { max-width: 47rem; margin: 1.7rem 0 0; color: #dce4ef; font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.6; }
.principle-grid, .contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.contact-grid { grid-template-columns: minmax(0, 2fr) minmax(14rem, 1fr); align-items: start; }
.content-card { min-width: 0; padding: clamp(1.5rem, 3vw, 2.25rem); border: 1px solid rgb(119 164 225 / 20%); border-radius: 1.25rem; background: linear-gradient(145deg, rgb(15 39 73 / 64%), rgb(6 20 41 / 42%)); }
.card-number { margin: 0 0 2.5rem; color: #3d8cf5; font-size: 0.72rem; letter-spacing: 0.14em; }
.content-card h2, .product-copy h2, .reading-content h2 { margin: 0; font-size: clamp(1.35rem, 2.4vw, 1.8rem); line-height: 1.2; }
.content-card p:last-child, .product-copy > p:last-of-type, .reading-content p { margin: 1rem 0 0; color: #cbd5e2; line-height: 1.7; }
.contact-grid .content-card { display: block; }
.card-content { min-width: 0; }
.enquiry-form { display: grid; gap: 1.35rem; margin-top: 2rem; }
.form-field { display: grid; gap: 0.5rem; min-width: 0; }
.form-field label { color: #eef3fa; font-size: 0.9rem; font-weight: 650; }
.form-field label span { color: #91a1b5; font-size: 0.76rem; font-weight: 500; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-width: 0;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgb(134 169 216 / 34%);
  border-radius: 0.65rem;
  background: rgb(3 15 33 / 68%);
  color: #f6f8fc;
  font: inherit;
}
.form-field textarea { min-height: 10rem; resize: vertical; line-height: 1.55; }
.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible,
.submit-button:focus-visible { outline: 0.2rem solid #78b7ff; outline-offset: 0.2rem; }
.field-error input,
.field-error select,
.field-error textarea { border-color: #ffb4b4; }
.field-message { margin: 0; color: #ffd0d0; font-size: 0.82rem; }
.form-status { margin-top: 1.5rem; padding: 1rem 1.1rem; border: 1px solid rgb(119 164 225 / 28%); border-radius: 0.8rem; background: rgb(4 19 41 / 58%); }
.form-status h3 { margin: 0; font-size: 1rem; }
.form-status p { margin: 0.5rem 0 0; color: #d6dfeb; line-height: 1.55; }
.form-status a { color: #9bc8ff; }
.error-summary { border-color: rgb(255 180 180 / 52%); }
.success-status { border-color: rgb(95 181 255 / 50%); }
.success-status a { display: inline-block; margin-top: 1rem; }
.submit-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 15rem);
  margin-top: 0.35rem;
  padding: 0.85rem 1.1rem 0.85rem 1.4rem;
  border: 1px solid rgb(91 169 255 / 48%);
  border-radius: 999px;
  background: linear-gradient(100deg, #075de8, #087af7);
  box-shadow: 0 0.8rem 2rem rgb(0 91 224 / 18%);
  color: #fff;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
.submit-button span { font-size: 1.35rem; font-weight: 300; line-height: 0.8; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.product-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 36%); min-height: 32rem; overflow: hidden; border: 1px solid rgb(119 164 225 / 22%); border-radius: 1.5rem; background: linear-gradient(125deg, rgb(12 35 70 / 78%), rgb(4 18 38 / 50%)); }
.product-copy { align-self: center; padding: clamp(2rem, 6vw, 5rem); }
.product-copy h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.product-copy > p:last-of-type { max-width: 33rem; font-size: 1.08rem; }
.availability { display: flex; flex-direction: column; gap: 0.25rem; margin-top: 2.5rem; padding-left: 1rem; border-left: 0.18rem solid #0878ff; }
.availability span { color: #8fa4be; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; }
.availability strong { font-size: 0.95rem; font-weight: 600; }
.product-artwork { position: relative; min-height: 32rem; background: radial-gradient(circle at 50% 55%, rgb(22 104 225 / 25%), transparent 65%); }
.product-artwork img { position: absolute; inset: 1.5rem 50% 0 auto; width: 21rem; height: calc(100% - 1.5rem); transform: translateX(50%); object-fit: contain; object-position: bottom; filter: drop-shadow(0 1.5rem 1.5rem rgb(0 0 0 / 35%)); }
.collection-note { max-width: 36rem; margin: 1.5rem 0 0; color: #91a1b5; font-size: 0.85rem; }
.reading-grid { display: grid; grid-template-columns: 10rem minmax(0, 42rem); gap: clamp(2rem, 7vw, 6rem); }
.terms-reading-grid { grid-template-columns: minmax(0, 42rem); justify-content: center; gap: 2rem; }
.section-guide { color: #7f91a8; font-size: 0.78rem; line-height: 2; }
.section-guide span { color: #78b7ff; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.reading-content section + section { margin-top: 2.75rem; padding-top: 2.75rem; border-top: 1px solid rgb(110 145 192 / 15%); }
.page-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 1.5rem clamp(2rem, 6vw, 5.5rem); border-top: 1px solid rgb(110 145 192 / 12%); color: #8091a6; font-size: 0.75rem; }
.page-footer p { margin: 0; }

@media (max-width: 74rem) { .page-shell { width: min(calc(100% - 3rem), 64rem); } }
@media (max-width: 62.5rem) {
  .page-shell { width: min(calc(100% - 2rem), 52rem); border-radius: 1.5rem; }
  .page-header { padding-bottom: 2rem; }
  .principle-grid, .contact-grid { grid-template-columns: 1fr; }
  .content-card { display: grid; grid-template-columns: 2.5rem 1fr; column-gap: 1rem; }
  .content-card .card-number { grid-row: 1 / span 2; margin: 0; }
  .content-card p:last-child { grid-column: 2; }
  .product-card { grid-template-columns: minmax(0, 55%) minmax(0, 45%); }
}
@media (max-width: 43rem) {
  .page-main { padding-inline: 1.25rem; }
  .page-intro { margin-bottom: 3rem; }
  .product-card { display: flex; flex-direction: column; }
  .product-copy { padding: 2rem 1.5rem 0; }
  .product-artwork { min-height: 27rem; }
  .product-artwork img { height: 27rem; }
  .reading-grid { grid-template-columns: 1fr; gap: 2rem; }
  .terms-reading-grid .section-guide { padding-bottom: 0; border-bottom: 0; }
  .section-guide { padding-bottom: 1rem; border-bottom: 1px solid rgb(110 145 192 / 15%); }
  .section-guide p { margin-bottom: 0; }
  .page-footer { flex-direction: column; gap: 0.4rem; padding-inline: 1.25rem; }
}
@media (max-width: 43rem) and (orientation: portrait) {
  .product-artwork img { height: calc(100% - 3rem); }
}
@media (max-width: 31rem) {
  .content-card { display: block; }
  .content-card .card-number { margin-bottom: 1.5rem; }
  .content-card p:last-child { margin-top: 1rem; }
  .submit-button { width: 100%; }
}