:root {
  color-scheme: dark;
  --bg: #071126;
  --bg-soft: #0b1730;
  --panel: rgba(15, 30, 58, 0.82);
  --panel-strong: #101f3e;
  --line: rgba(170, 192, 235, 0.19);
  --line-strong: rgba(178, 199, 240, 0.32);
  --text: #f7f9ff;
  --muted: #aab8d2;
  --muted-soft: #8392ae;
  --violet: #9a7dff;
  --blue: #6ac7ff;
  --gold: #ffcb8a;
  --coral: #ff8e82;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 3%, rgba(92, 91, 210, 0.2), transparent 34rem),
    radial-gradient(circle at 12% 38%, rgba(38, 127, 170, 0.1), transparent 30rem),
    var(--bg);
  line-height: 1.7;
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  color: #081126;
  background: #fff;
  border-radius: 0.5rem;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 38, 0.88);
  backdrop-filter: blur(18px);
}

.site-header__inner,
.hero,
.proof-strip,
.section,
.site-footer {
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header__inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.wordmark__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  color: #0a142a;
  background: linear-gradient(135deg, var(--gold), #fff);
  font-size: 0.75rem;
  letter-spacing: 0;
  box-shadow: 0 8px 30px rgba(255, 203, 138, 0.2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 760;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(106, 199, 255, 0.75);
  outline-offset: 3px;
}

.button--primary {
  color: #071126;
  background: linear-gradient(135deg, #fff 0%, #d8dcff 42%, #a98fff 100%);
  box-shadow: 0 14px 38px rgba(128, 105, 230, 0.24);
}

.button--secondary,
.button--ghost {
  border-color: rgba(205, 215, 244, 0.28);
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.button--compact {
  min-height: 40px;
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
}

.button--block {
  width: 100%;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--blue);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.keep-together {
  white-space: nowrap;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(390px, 1.08fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.hero__copy {
  max-width: 570px;
}

.hero h1,
.section-heading h2,
.op-teaser h2,
.closing-note h2 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.25rem);
}

.hero__lead {
  max-width: 35rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.15rem;
  margin: 1.45rem 0 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
  font-size: 0.87rem;
}

.trust-list li::before {
  content: "·";
  margin-right: 0.42rem;
  color: var(--gold);
}

.hero-sample {
  position: relative;
  width: min(100%, 520px);
  margin: 0;
  justify-self: end;
}

.hero-sample::before {
  content: "";
  position: absolute;
  inset: 12% 10% -5%;
  z-index: -1;
  border-radius: 45%;
  background: rgba(99, 112, 255, 0.25);
  filter: blur(58px);
}

.hero-sample > img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(212, 222, 255, 0.28);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.hero-sample__state {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.58rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(5, 13, 29, 0.72);
  backdrop-filter: blur(14px);
}

.hero-sample__state span {
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.hero-sample__state strong {
  font-size: 0.9rem;
}

.hero-sample figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.8rem;
  color: var(--muted-soft);
  font-size: 0.78rem;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}

.proof-strip > div {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.15rem 1.25rem;
  border-right: 1px solid var(--line);
}

.proof-strip > div:last-child {
  border-right: 0;
}

.proof-strip strong {
  color: var(--gold);
  font-size: 1.4rem;
}

.proof-strip span {
  color: var(--muted);
  font-size: 0.82rem;
}

.section {
  padding-block: clamp(5rem, 8vw, 7.5rem);
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: clamp(2.2rem, 4vw, 3.25rem);
}

.section-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 360px);
  align-items: end;
  gap: clamp(2rem, 6vw, 5rem);
}

.section-heading h2,
.op-teaser h2,
.closing-note h2 {
  font-size: clamp(2.35rem, 3.4vw, 3rem);
}

.section-heading--split > p,
.closing-note > div > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.sample-process {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  align-items: stretch;
  gap: 1.25rem;
}

.sample-process__steps {
  display: grid;
  gap: 0.75rem;
}

.sample-process__steps article {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.sample-process__steps article > span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: #071126;
  background: linear-gradient(135deg, var(--blue), #b6ddff);
  font-size: 0.75rem;
  font-weight: 850;
}

.sample-process__steps strong {
  display: block;
  margin-bottom: 0.18rem;
  font-size: 1rem;
}

.sample-process__steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.sample-process__card {
  min-width: 0;
  margin: 0;
  padding: 0.75rem;
  border: 1px solid rgba(154, 125, 255, 0.34);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(22, 40, 76, 0.78), rgba(9, 22, 49, 0.92));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
}

.sample-process__card img {
  width: 100%;
  border-radius: 15px;
}

.sample-process__card figcaption {
  padding: 0.75rem 0.4rem 0.2rem;
  color: var(--muted-soft);
  font-size: 0.78rem;
}

.delivery-gallery {
  display: grid;
  grid-template-columns: minmax(210px, 0.72fr) minmax(310px, 1.08fr) minmax(300px, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.delivery-gallery > * {
  min-width: 0;
  min-height: 390px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
}

.delivery-gallery__avatar {
  display: flex;
  flex-direction: column;
}

.delivery-gallery__avatar img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.delivery-gallery figcaption {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.1rem;
}

.delivery-gallery figcaption span,
.delivery-gallery__documents div span {
  color: var(--muted);
  font-size: 0.82rem;
}

.delivery-gallery__documents {
  position: relative;
  min-height: 430px;
  background:
    radial-gradient(circle at 75% 20%, rgba(106, 199, 255, 0.12), transparent 18rem),
    rgba(255, 255, 255, 0.025);
}

.delivery-gallery__documents img {
  position: absolute;
  top: 1.6rem;
  width: 48%;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

.delivery-gallery__documents img:first-child {
  left: 7%;
  transform: rotate(-3deg);
}

.delivery-gallery__documents img:nth-child(2) {
  right: 7%;
  top: 2.15rem;
  transform: rotate(3deg);
}

.delivery-gallery__documents div {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 2;
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 13px;
  background: rgba(6, 15, 34, 0.82);
  backdrop-filter: blur(12px);
}

.delivery-gallery__summary {
  padding: 1.5rem;
}

.delivery-gallery__summary h3 {
  margin: 0;
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  line-height: 1.28;
  text-wrap: balance;
}

.delivery-gallery__summary ul {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.delivery-gallery__summary li {
  padding: 0.62rem 0;
  border-bottom: 1px solid rgba(169, 184, 219, 0.12);
  color: #cbd5e8;
  font-size: 0.91rem;
}

.delivery-gallery__summary li::before {
  content: "✓";
  margin-right: 0.65rem;
  color: var(--blue);
}

.sample-disclosure,
.boundary-disclosure {
  margin: 1.5rem 0 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--gold);
  color: var(--muted);
  background: rgba(255, 203, 138, 0.04);
  font-size: 0.84rem;
}

.offer-card {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid rgba(154, 125, 255, 0.48);
  border-radius: 26px;
  background:
    radial-gradient(circle at 90% 0%, rgba(154, 125, 255, 0.18), transparent 20rem),
    linear-gradient(145deg, rgba(22, 40, 76, 0.98), rgba(9, 22, 49, 0.98));
  box-shadow: var(--shadow);
}

.offer-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
}

.offer-card__intro {
  max-width: 720px;
}

.status {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.75rem;
  font-weight: 760;
}

.product-card__code {
  margin: 1.55rem 0 0.3rem;
  color: #8394b5;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.offer-card h3 {
  margin: 0;
  font-size: clamp(2rem, 3.1vw, 2.65rem);
  line-height: 1.15;
}

.offer-card__intro > p:not(.product-card__code) {
  color: #c9d3e7;
}

.offer-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  min-width: max-content;
  margin-top: 0.5rem;
}

.offer-price span,
.offer-price small {
  color: var(--muted);
  font-size: 0.82rem;
}

.offer-price strong {
  font-size: clamp(2.7rem, 4.4vw, 4rem);
  line-height: 1;
}

.offer-deliverables {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.offer-deliverables li {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(169, 184, 219, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.024);
}

.offer-deliverables span {
  color: var(--muted);
  font-size: 0.84rem;
}

.offer-card__action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  align-items: center;
  gap: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.offer-card__action p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.offer-card__action strong {
  color: var(--text);
}

.offer-card__action .button {
  justify-self: end;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-grid li {
  min-height: 190px;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.process-grid span {
  display: block;
  margin-bottom: 1.55rem;
  color: var(--violet);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.process-grid strong {
  font-size: 1.07rem;
}

.process-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.boundary-list > div {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.boundary-list > div:nth-child(2) {
  border-top-color: var(--coral);
}

.boundary-list > div:nth-child(3) {
  border-top-color: var(--gold);
}

.boundary-list span {
  display: block;
  margin-bottom: 1rem;
  color: var(--muted-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.boundary-list strong {
  font-size: 1.08rem;
}

.boundary-list p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.op-teaser,
.closing-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 5rem;
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(120deg, rgba(154, 125, 255, 0.1), rgba(106, 199, 255, 0.04));
}

.op-teaser > div:first-child,
.closing-note > div {
  max-width: 760px;
}

.op-teaser p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}

.op-teaser__state {
  min-width: 180px;
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.035);
}

.op-teaser__state span {
  color: var(--muted-soft);
  font-size: 0.72rem;
}

.closing-note {
  border-color: rgba(154, 125, 255, 0.34);
  background: linear-gradient(120deg, rgba(154, 125, 255, 0.13), rgba(106, 199, 255, 0.055));
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  color: var(--text);
  letter-spacing: 0.12em;
}

.site-footer p {
  margin: 0.25rem 0 0;
}

@media (max-width: 1050px) {
  .site-nav {
    gap: 1rem;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(350px, 0.85fr);
    gap: 2.5rem;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 5vw, 4rem);
  }

  .section-heading--split {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
    gap: 2.5rem;
  }

  .delivery-gallery {
    grid-template-columns: minmax(210px, 0.72fr) minmax(300px, 1.08fr);
  }

  .delivery-gallery__summary {
    grid-column: 1 / -1;
    min-height: auto;
  }

  .delivery-gallery__summary ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.5rem;
  }

  .offer-deliverables {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .site-header__inner > .button {
    margin-left: auto;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero__copy {
    max-width: 720px;
  }

  .hero-sample {
    width: min(100%, 600px);
    justify-self: center;
  }

  .proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-strip > div:nth-child(2) {
    border-right: 0;
  }

  .proof-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section-heading--split {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1rem;
  }

  .section-heading--split > p {
    max-width: 680px;
  }

  .sample-process {
    grid-template-columns: 1fr;
  }

  .sample-process__card {
    order: -1;
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .boundary-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header__inner,
  .hero,
  .proof-strip,
  .section,
  .site-footer {
    width: min(100% - 1.25rem, 1180px);
  }

  .site-header__inner {
    min-height: 62px;
  }

  .wordmark {
    font-size: 0.9rem;
  }

  .wordmark__mark {
    width: 36px;
    height: 36px;
  }

  .site-header__inner > .button {
    display: none;
  }

  .hero {
    gap: 2rem;
    padding-block: 2.8rem 4rem;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 10vw, 3.1rem);
  }

  .hero__actions,
  .hero__actions .button {
    width: 100%;
  }

  .hero-sample > img {
    border-radius: 18px;
  }

  .hero-sample figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.15rem;
  }

  .proof-strip > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.1rem;
    padding: 0.9rem;
  }

  .section {
    padding-block: 4.5rem;
  }

  .section-heading h2,
  .op-teaser h2,
  .closing-note h2 {
    font-size: clamp(2rem, 9vw, 2.6rem);
  }

  .sample-process__steps article {
    grid-template-columns: 38px 1fr;
    padding: 0.9rem;
  }

  .sample-process__steps article > span {
    width: 36px;
    height: 36px;
  }

  .delivery-gallery {
    grid-template-columns: 1fr;
  }

  .delivery-gallery > *,
  .delivery-gallery__documents {
    min-height: auto;
  }

  .delivery-gallery__documents {
    min-height: 410px;
  }

  .delivery-gallery__summary ul,
  .offer-deliverables {
    grid-template-columns: 1fr;
  }

  .offer-card__top {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .offer-price {
    margin-top: 0.5rem;
  }

  .offer-card {
    padding: 1.35rem;
    border-radius: 20px;
  }

  .offer-card__action {
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 1rem;
  }

  .offer-card__action .button {
    width: 100%;
    justify-self: stretch;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid li {
    min-height: auto;
  }

  .op-teaser,
  .closing-note,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .op-teaser,
  .closing-note {
    gap: 1.5rem;
    margin-bottom: 3rem;
  }

  .op-teaser__state {
    min-width: 0;
  }
}

@media (max-width: 420px) {
  .hero-sample__state {
    top: 0.7rem;
    left: 0.7rem;
  }

  .delivery-gallery__documents {
    min-height: 330px;
  }

  .delivery-gallery__documents div {
    padding: 0.75rem;
  }
}

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

  .button {
    transition: none;
  }
}