:root {
  --ink: #101820;
  --muted: #5b6874;
  --line: #dbe3e8;
  --surface: #ffffff;
  --soft: #f5f8fa;
  --accent: #0f8f7f;
  --accent-dark: #0a675f;
  --gold: #b98b2f;
  --shadow: 0 18px 50px rgba(16, 24, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: #fff;
  background: rgba(9, 17, 23, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 136px;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

nav {
  display: flex;
  gap: clamp(14px, 3vw, 28px);
  font-size: 0.95rem;
  font-weight: 650;
}

nav a {
  color: rgba(255, 255, 255, 0.86);
}

nav a[aria-current="page"] {
  color: #fff;
}

.inner-header {
  position: sticky;
  color: #fff;
  background: rgba(7, 17, 21, 0.94);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 128px clamp(20px, 5vw, 72px) 64px;
  color: #fff;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 12, 16, 0.9) 0%, rgba(5, 12, 16, 0.62) 42%, rgba(5, 12, 16, 0.2) 100%),
    linear-gradient(180deg, rgba(5, 12, 16, 0.32) 0%, rgba(5, 12, 16, 0.76) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #66d9cb;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 8vw, 5.9rem);
  line-height: 0.96;
  letter-spacing: 0;
  max-width: 850px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 12px;
  max-width: 560px;
  margin: 42px 0 0;
}

.hero-metrics div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
}

.hero-metrics dt {
  font-size: 1.25rem;
  font-weight: 850;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.section {
  padding: 86px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
}

.section-copy {
  max-width: 740px;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-action {
  margin-top: 28px;
}

.page-hero {
  padding: 144px clamp(20px, 5vw, 72px) 76px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7, 17, 21, 0.96), rgba(16, 24, 32, 0.88)),
    url("assets/gpu-datacenter-hero.png") center / cover;
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(2.6rem, 7vw, 5rem);
}

.page-hero p:last-child {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.15rem;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: end;
  background: var(--soft);
}

.intro > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.package-card {
  min-height: 620px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(16, 24, 32, 0.04);
}

.package-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.package-card.featured {
  border-color: rgba(15, 143, 127, 0.45);
  box-shadow: var(--shadow);
}

.package-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.package-tier {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.package-topline span {
  flex: 0 0 auto;
  padding: 6px 10px;
  color: var(--accent-dark);
  background: #e8f5f3;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 800;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 22px 0 4px;
  color: var(--ink);
}

.price strong {
  font-size: clamp(2rem, 4vw, 2.7rem);
  line-height: 1;
}

.price span {
  color: var(--muted);
  font-weight: 800;
}

.price.quote strong {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.package-card p {
  color: var(--muted);
}

.package-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.source-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--accent-dark);
  font-weight: 800;
}

.pricing-note {
  max-width: 980px;
  margin: 24px 0 0;
  padding: 14px 16px;
  color: #45535e;
  background: #fff7e8;
  border: 1px solid #ead5a7;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
}

.package-card li {
  padding-left: 20px;
  position: relative;
  color: #26343f;
}

.package-card li::before {
  position: absolute;
  left: 0;
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 6vw, 84px);
  background: #101820;
  color: #fff;
}

.split .eyebrow {
  color: #66d9cb;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-list div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.feature-list p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact-section {
  background: var(--soft);
}

.gpu-detail-section {
  display: grid;
  gap: 18px;
  background: var(--soft);
}

.gpu-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.55fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.gpu-detail p {
  max-width: 780px;
  color: var(--muted);
}

.gpu-detail-image {
  width: min(360px, 100%);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.detail-price {
  margin-top: 18px;
}

.spec-box {
  padding: 22px;
  border: 1px solid #d2ece7;
  border-radius: 8px;
  background: #f1faf8;
}

.spec-box dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.spec-box div {
  display: grid;
  gap: 2px;
}

.spec-box dt {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-box dd {
  margin: 0;
  color: #26343f;
  font-weight: 750;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-band p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(24px, 5vw, 72px);
  background: var(--soft);
}

.contact-info {
  display: grid;
  align-content: start;
  gap: 18px;
}

.contact-info article {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.contact-info h2 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

address {
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 980px;
  margin-top: 32px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form-standalone {
  margin-top: 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  background: var(--soft);
}

.blog-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.blog-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.blog-card h2 {
  margin-bottom: 8px;
  font-size: 1.35rem;
}

.blog-card p {
  color: var(--muted);
}

.blog-card a {
  color: var(--accent-dark);
  font-weight: 850;
}

.article-main {
  background: var(--soft);
  padding: 72px clamp(20px, 5vw, 72px);
}

.article {
  max-width: 900px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.article h1 {
  color: var(--ink);
  font-size: clamp(2.3rem, 6vw, 4.2rem);
}

.article p,
.article li {
  color: #394752;
  font-size: 1.08rem;
}

.article a:not(.button) {
  color: var(--accent-dark);
  font-weight: 800;
}

.article-image {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  margin: 8px 0 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

label {
  display: grid;
  gap: 8px;
  color: #26343f;
  font-size: 0.92rem;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--ink);
  border: 1px solid #cdd8df;
  border-radius: 8px;
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(15, 143, 127, 0.18);
  border-color: var(--accent);
}

.full {
  grid-column: 1 / -1;
}

.form-button {
  justify-self: start;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: #d8e2e8;
  background: #071115;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .inner-header {
    position: sticky;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    font-size: 0.9rem;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(5, 12, 16, 0.88), rgba(5, 12, 16, 0.62)),
      linear-gradient(180deg, rgba(5, 12, 16, 0.22), rgba(5, 12, 16, 0.78));
  }

  .intro,
  .split,
  .gpu-detail,
  .contact-layout,
  .blog-grid,
  .package-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .blog-card {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    display: grid;
  }

  .cta-band {
    display: grid;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 112px;
  }

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

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .contact-form,
  .package-card {
    padding: 20px;
  }
}