:root {
  --bg: #f7fbfd;
  --ink: #10202a;
  --muted: #5c7180;
  --line: #d7e6ee;
  --cyan: #05bfd6;
  --teal: #00a88f;
  --blue: #2c7df0;
  --panel: #ffffff;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

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

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

.hero {
  min-height: 92vh;
  padding: 112px clamp(18px, 4vw, 64px) 48px;
  background: radial-gradient(circle at 82% 10%, rgba(5, 191, 214, 0.18), transparent 28%), linear-gradient(180deg, #fff 0%, #eef8fb 100%);
  overflow: hidden;
  position: relative;
}

/* Signature element: concentric shearography rings, echoing the interference
   fringes in the product's own optical scans. */
.rings {
  position: absolute;
  top: 8%;
  right: -6%;
  width: min(52vw, 680px);
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 0;
}

.rings .ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(5, 191, 214, 0.35);
  animation: ring-pulse 6s cubic-bezier(.2,.6,.35,1) infinite;
  opacity: 0;
}

.rings .r1 { animation-delay: 0s; }
.rings .r2 { animation-delay: 1.5s; }
.rings .r3 { animation-delay: 3s; }
.rings .r4 { animation-delay: 4.5s; }

@keyframes ring-pulse {
  0% { transform: scale(0.15); opacity: 0; border-color: rgba(0, 168, 143, 0.55); }
  12% { opacity: 0.9; }
  100% { transform: scale(1); opacity: 0; border-color: rgba(5, 191, 214, 0.05); }
}

.nav {
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.84);
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(16, 32, 42, 0.08);
  display: flex;
  gap: 10px;
  justify-content: space-between;
  left: 50%;
  margin: 0;
  max-width: 1180px;
  padding: 14px;
  position: fixed;
  top: 16px;
  transform: translateX(-50%);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  width: min(1180px, calc(100% - 36px));
  z-index: 50;
}

.nav-links {
  display: flex;
  gap: 10px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.brand {
  align-items: center;
  border: none;
  background: none;
  display: flex;
  flex: none;
  gap: 10px;
  padding: 4px 2px;
  text-decoration: none;
}

.brand-mark {
  flex: none;
  transition: transform 0.6s ease;
}

.brand-mark circle {
  fill: none;
  stroke-width: 7;
  mix-blend-mode: multiply;
}

.ring-a { stroke: var(--teal); }
.ring-b { stroke: var(--blue); }
.ring-c { stroke: var(--cyan); }

.brand-mark .ring-core {
  fill: #fff;
  stroke: none;
  mix-blend-mode: normal;
  filter: drop-shadow(0 0 3px rgba(255,255,255,0.9));
}

.brand-word {
  color: var(--ink);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-word em {
  color: var(--cyan);
  font-style: normal;
}

.nav a,
.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  flex: none;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 16px;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}

.nav a,
.button {
  background: #fff;
}

.nav:hover,
.nav:focus-within,
.nav:has(.nav-links a:hover) {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(16, 32, 42, 0.12);
}

.nav:hover .brand-mark,
.nav:focus-within .brand-mark,
.nav:has(.nav-links a:hover) .brand-mark {
  transform: rotate(24deg);
}

.nav .brand {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 4px 2px;
}

.nav .brand::after {
  display: none;
}

.nav .brand:hover {
  box-shadow: none;
  transform: none;
}

.nav a {
  overflow: hidden;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  border-radius: 999px;
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: opacity 0.2s ease, transform 0.3s ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav a:hover,
.nav a:focus-visible,
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(16, 32, 42, 0.14);
}

.button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.button.primary svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s ease;
}

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

.button.primary:hover {
  box-shadow: 0 14px 30px rgba(5, 191, 214, 0.35);
}

.hero-grid,
.split,
.portfolio {
  display: grid;
  gap: clamp(28px, 5vw, 72px);
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  margin: 0 auto;
  max-width: 1180px;
}

.hero-grid {
  align-items: center;
  grid-template-columns: minmax(0, 760px);
  position: relative;
  z-index: 1;
}

.eyebrow {
  align-items: center;
  color: var(--teal);
  display: flex;
  font-size: 13px;
  font-weight: 800;
  gap: 8px;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.dot-ping {
  fill: var(--cyan);
  flex: none;
  animation: dot-ping 2s ease-in-out infinite;
}

@keyframes dot-ping {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.35); }
}

.hero-stats {
  display: flex;
  gap: clamp(20px, 4vw, 44px);
  margin-top: 40px;
}

.hero-stats div {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  background: linear-gradient(135deg, var(--ink), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  line-height: 1;
}

.hero-stats span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  margin-top: 6px;
  max-width: 11ch;
}

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

h1 {
  color: var(--ink);
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
  margin-bottom: 28px;
  max-width: 900px;
}

h2 {
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
  margin-bottom: 22px;
  max-width: 920px;
}

h3 {
  font-size: 22px;
  line-height: 1.15;
  margin-bottom: 10px;
}

p,
.lede {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.visual,
.wide-image {
  background: #dfeff4;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(27, 73, 90, 0.18);
  margin: 0;
  overflow: hidden;
  position: relative;
  transition: box-shadow 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}

.visual:hover,
.wide-image:hover {
  box-shadow: 0 36px 90px rgba(27, 73, 90, 0.26);
  transform: translateY(-5px);
}

.visual img,
.wide-image img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
  width: 100%;
}

.visual:hover img,
.wide-image:hover img {
  transform: scale(1.025);
}

.hero-slide {
  margin: 42px auto 0;
  max-width: 1180px;
  position: relative;
  z-index: 1;
}

.hero-slide img {
  height: auto;
  object-fit: contain;
}

.scan-line {
  background: linear-gradient(90deg, transparent, rgba(5, 191, 214, 0.85), transparent);
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 6%;
  animation: scan-sweep 5.5s ease-in-out infinite;
  mix-blend-mode: screen;
  pointer-events: none;
  transform: translateX(-120%);
}

@keyframes scan-sweep {
  0% { opacity: 0; transform: translateX(-120%); }
  8% { opacity: 0.9; }
  50% { opacity: 0.9; transform: translateX(1760%); }
  58% { opacity: 0; }
  100% { opacity: 0; transform: translateX(1760%); }
}

.section {
  padding: clamp(64px, 9vw, 120px) clamp(18px, 4vw, 64px);
}

.section > * {
  margin-left: auto;
  margin-right: auto;
  max-width: 1180px;
}

/* Scroll reveal: elements fade + rise into place as they enter view. */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  will-change: auto;
}

[data-reveal][data-reveal-delay="1"] { transition-delay: 0.12s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.24s; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 0.36s; }

.list-card,
.steps article,
.grid article,
.cards article,
.architecture article,
.compare article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 38px rgba(48, 84, 99, 0.08);
  padding: 22px;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s ease;
}

.steps article:hover,
.grid article:hover,
.cards article:hover,
.architecture article:hover {
  border-color: var(--cyan);
  box-shadow: 0 22px 46px rgba(5, 191, 214, 0.16);
  transform: translateY(-6px);
}

.list-card p {
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  display: flex;
  font-weight: 700;
  gap: 14px;
  margin-bottom: 0;
  padding: 16px 0;
}

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

.icon-badge {
  align-items: center;
  background: linear-gradient(135deg, rgba(5, 191, 214, 0.14), rgba(0, 168, 143, 0.14));
  border-radius: 50%;
  color: var(--teal);
  display: flex;
  flex: none;
  height: 40px;
  justify-content: center;
  transition: transform 0.3s ease, background 0.3s ease;
  width: 40px;
}

.list-card p:hover .icon-badge {
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  color: #fff;
  transform: scale(1.08) rotate(-6deg);
}

.icon-badge svg,
.step-icon svg,
.card-icon,
.avatar-ring svg,
.grid article svg,
.architecture h3 svg,
.market span svg,
.tech-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.steps,
.grid,
.cards,
.architecture,
.market,
.compare {
  display: grid;
  gap: 16px;
}

.steps {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 26px;
  position: relative;
}

.steps article {
  align-items: center;
  display: flex;
  flex-direction: column;
  position: relative;
  text-align: center;
}

.step-icon {
  align-items: center;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  border-radius: 10px;
  color: #fff;
  display: flex;
  height: 46px;
  justify-content: center;
  margin: 0 auto 16px;
  width: 46px;
}

.tint {
  background: #eaf7f9;
}

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

.grid article {
  border-left: 5px solid var(--cyan);
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
}

.grid article svg {
  color: var(--teal);
  flex: none;
}

.architecture {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
}

.architecture h3 {
  align-items: center;
  display: flex;
  gap: 10px;
}

.architecture h3 svg {
  color: var(--cyan);
  flex: none;
}

.architecture p {
  background: #f3fafc;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.25;
  margin-bottom: 8px;
  padding: 10px 12px;
}

.portfolio {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

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

.cards p {
  font-size: 16px;
  line-height: 1.55;
}

.cards h3 {
  align-items: center;
  display: flex;
  gap: 10px;
}

.card-icon {
  color: var(--cyan);
  flex: none;
  transition: transform 0.3s ease, color 0.3s ease;
}

.cards article:hover .card-icon {
  color: var(--teal);
  transform: scale(1.15) rotate(-4deg);
}

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

.market span {
  align-items: center;
  background: white;
  border: 1px solid var(--line);
  border-left: 5px solid var(--cyan);
  border-radius: 8px;
  display: flex;
  font-weight: 800;
  gap: 12px;
  padding: 18px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.market span:hover {
  border-color: var(--cyan);
  box-shadow: 0 16px 32px rgba(5, 191, 214, 0.16);
  transform: translateY(-4px);
}

.market span svg {
  color: var(--teal);
  flex: none;
}

.dark {
  background: linear-gradient(135deg, #10202a, #163946);
  color: white;
  overflow: hidden;
  position: relative;
}

.dark h2,
.dark h3 {
  color: white;
}

.dark p {
  color: #d9eef4;
}

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

.compare article {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.compare article:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: none;
  transform: translateY(-4px);
}

.compare p {
  align-items: center;
  display: flex;
  font-weight: 700;
  gap: 10px;
  line-height: 1.35;
  margin-bottom: 14px;
}

.mark {
  border-radius: 50%;
  flex: none;
  padding: 3px;
  stroke-width: 2.4;
}

.mark.cross {
  background: rgba(255, 99, 99, 0.16);
  color: #ff8686;
}

.mark.check {
  background: rgba(5, 191, 214, 0.18);
  color: var(--cyan);
}

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

.team article {
  text-align: left;
}

.avatar-ring {
  align-items: center;
  background: linear-gradient(135deg, rgba(5, 191, 214, 0.14), rgba(0, 168, 143, 0.14));
  border: 1px dashed rgba(5, 191, 214, 0.5);
  border-radius: 50%;
  color: var(--teal);
  display: flex;
  height: 56px;
  justify-content: center;
  margin-bottom: 16px;
  width: 56px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.team article:hover .avatar-ring {
  border-color: var(--cyan);
  transform: rotate(-8deg) scale(1.06);
}

.team strong {
  color: var(--teal);
  display: block;
  margin-bottom: 12px;
}

@media (max-width: 900px) {
  .nav {
    gap: 8px;
    justify-content: space-between;
    top: 12px;
    width: calc(100% - 24px);
  }

  .nav-links {
    -webkit-overflow-scrolling: touch;
    mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 24px), transparent);
  }

  .nav a,
  .button {
    padding: 10px 13px;
  }

  .brand-word {
    font-size: 17px;
  }

  .hero-grid,
  .split,
  .portfolio,
  .compare {
    grid-template-columns: 1fr;
  }

  .steps,
  .grid,
  .architecture,
  .team {
    grid-template-columns: repeat(2, 1fr);
  }

  .rings {
    width: 70vw;
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: auto;
    padding-top: 104px;
  }

  .nav {
    border-radius: 18px;
    padding: 14px;
    width: calc(100% - 16px);
  }

  .brand {
    gap: 7px;
  }

  .brand-mark {
    height: 30px;
    width: 30px;
  }

  .brand-word {
    font-size: 16px;
  }

  .nav-links {
    gap: 7px;
  }

  .nav a,
  .button {
    font-size: 13px;
    padding: 9px 11px;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 38px;
  }

  .steps,
  .grid,
  .architecture,
  .team,
  .market {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-wrap: wrap;
    row-gap: 18px;
  }

  .rings {
    opacity: 0.6;
  }
}

.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(16, 32, 42, 0.12);
}

/* ---------- Defect tag chips (problem section) ---------- */
.defect-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.defect-tags li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  transition: transform 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.defect-tags li:hover {
  border-color: var(--cyan);
  color: var(--teal);
  transform: translateY(-2px);
}

/* ---------- Technology section ---------- */
.section-intro {
  max-width: 760px;
}

.tech-feature {
  align-items: center;
  display: grid;
  gap: clamp(28px, 5vw, 64px);
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  margin-bottom: 40px;
}

.tech-feature.reverse .tech-photo {
  order: 2;
}

.tech-feature.reverse .tech-copy {
  order: 1;
}

.tech-photo img {
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  width: 100%;
}

.beam-photo {
  position: relative;
}

.beam-svg {
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

.beam-path {
  animation: beam-dash 1.1s linear infinite;
  fill: none;
  mix-blend-mode: screen;
  opacity: 0.9;
  stroke: #a8ffc2;
  stroke-dasharray: 10 26;
  stroke-linecap: round;
  stroke-width: 5;
}

.beam-path-a {
  animation-duration: 1.7s;
}

.beam-path-b {
  animation-duration: 1.35s;
}

@keyframes beam-dash {
  to {
    stroke-dashoffset: -36;
  }
}

.beam-node {
  animation: beam-node-pulse 1.15s ease-out infinite;
  fill: #d3ffdf;
  mix-blend-mode: screen;
  opacity: 0;
}

@keyframes beam-node-pulse {
  0% {
    opacity: 0;
    r: 4;
  }
  12% {
    opacity: 0.95;
  }
  45%,
  100% {
    opacity: 0;
    r: 20;
  }
}

.tech-icon {
  align-items: center;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  border-radius: 10px;
  color: #fff;
  display: flex;
  height: 46px;
  justify-content: center;
  margin-bottom: 14px;
  width: 46px;
}

.tech-copy h3 {
  font-size: 30px;
  margin-bottom: 4px;
}

.tech-sub {
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.tech-copy > p {
  margin-bottom: 20px;
}

.tech-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr 1fr;
}

.tech-grid h4 {
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.check-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.4;
  padding-left: 24px;
  position: relative;
}

.check-list li::before {
  color: var(--teal);
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(0, 168, 143, 0.16);
  box-shadow: inset 0 0 0 1px rgba(0, 168, 143, 0.4);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.chip-list li {
  background: #f3fafc;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  padding: 7px 12px;
}

.muted-line {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.compare-table-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 38px rgba(48, 84, 99, 0.08);
  margin-top: 12px;
  overflow-x: auto;
  padding: 8px;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  border-collapse: collapse;
  min-width: 560px;
  width: 100%;
}



.compare-table caption {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  padding: 14px 16px 6px;
  text-align: left;
  text-transform: uppercase;
}

.compare-table th,
.compare-table td {
  font-size: 15px;
  padding: 14px 16px;
  text-align: left;
}

.compare-table thead th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.compare-table tbody th {
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.compare-table tbody td {
  color: var(--muted);
}

.compare-table tbody tr {
  border-top: 1px solid var(--line);
  transition: background 0.2s ease;
}

.compare-table tbody tr:hover {
  background: #f3fafc;
}

@media (max-width: 900px) {
  .tech-feature,
  .tech-feature.reverse {
    grid-template-columns: 1fr;
  }

  .tech-feature.reverse .tech-photo,
  .tech-feature.reverse .tech-copy {
    order: initial;
  }

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

/* ---------- Footer / contact ---------- */
.footer {
  background: linear-gradient(135deg, #10202a, #163946);
  color: #fff;
  overflow: hidden;
  padding: clamp(64px, 9vw, 120px) clamp(18px, 4vw, 64px) 40px;
  position: relative;
  text-align: center;
}

.footer-inner {
  margin: 0 auto;
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.footer .eyebrow {
  color: var(--cyan);
  justify-content: center;
}

.footer h2 {
  color: #fff;
  margin-left: auto;
  margin-right: auto;
}

.footer p {
  color: #d9eef4;
  margin-left: auto;
  margin-right: auto;
}

.footer .actions {
  justify-content: center;
}

.footer-rings {
  left: 50%;
  top: -20%;
  transform: translateX(-50%);
  width: min(70vw, 620px);
}

.footer-rings .ring {
  border-color: rgba(5, 191, 214, 0.3);
}

.footer-fine {
  color: rgba(217, 238, 244, 0.6) !important;
  font-size: 13px !important;
  margin-top: 56px !important;
  position: relative;
  z-index: 1;
}

.footer .button.primary {
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  border-color: transparent;
  color: var(--ink);
}

.footer .button.primary:hover {
  box-shadow: 0 16px 34px rgba(5, 191, 214, 0.4);
}

.footer-brand {
  justify-content: center;
  margin: 44px auto 18px;
  position: relative;
  z-index: 1;
}

.footer-brand .brand-word {
  color: #fff;
}

.footer-brand .brand-mark circle {
  mix-blend-mode: screen;
}

.scroll-top {
  align-items: center;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  border: 0;
  border-radius: 999px;
  bottom: 22px;
  box-shadow: 0 18px 36px rgba(5, 191, 214, 0.28);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  height: 52px;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  right: 22px;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s var(--ease-out), box-shadow 0.25s ease;
  width: 52px;
  z-index: 20;
}

.scroll-top:hover {
  box-shadow: 0 22px 44px rgba(5, 191, 214, 0.36);
  transform: translateY(-3px);
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top.is-visible:hover {
  transform: translateY(-3px);
}

.scroll-top svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}