:root {
  --ink: #0c1b22;
  --ink-soft: #243940;
  --mist: #eef4f6;
  --paper: #f7fafb;
  --teal: #0f766e;
  --teal-deep: #0b4f4a;
  --teal-bright: #14b8a6;
  --sand: #d7e4e7;
  --line: rgba(12, 27, 34, 0.1);
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "Outfit", system-ui, sans-serif;
  --font-latin: "Outfit", "Noto Sans SC", sans-serif;
}

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

body:not([data-lang="zh"]) .fw-item h3 {
  font-family: var(--font-latin);
  letter-spacing: 0.01em;
}

body:not([data-lang="zh"]) .hero h1,
body:not([data-lang="zh"]) .section h2,
body:not([data-lang="zh"]) .contact-panel h2,
body:not([data-lang="zh"]) .product-tagline,
body:not([data-lang="zh"]) .barrier h3,
body:not([data-lang="zh"]) .product-point h3,
body:not([data-lang="zh"]) .fde-stage h3,
body:not([data-lang="zh"]) .module,
body:not([data-lang="zh"]) .capability-list strong,
body:not([data-lang="zh"]) .service-steps strong {
  font-family: var(--font-latin);
  letter-spacing: 0.01em;
}

body[data-lang="ja"] .hero h1,
body[data-lang="ja"] .section h2,
body[data-lang="ja"] .contact-panel h2,
body[data-lang="ko"] .hero h1,
body[data-lang="ko"] .section h2,
body[data-lang="ko"] .contact-panel h2 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(20, 184, 166, 0.12), transparent 55%),
    radial-gradient(900px 600px at -10% 20%, rgba(14, 116, 144, 0.1), transparent 50%),
    linear-gradient(180deg, #f3f7f8 0%, var(--paper) 35%, #eef3f4 100%);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--teal-bright), var(--teal-deep));
  transform-origin: left center;
  pointer-events: none;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  backdrop-filter: blur(14px);
  background: rgba(247, 250, 251, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(247, 250, 251, 0.9);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  z-index: 2;
}

.logo-mark {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 0.2rem;
  background:
    linear-gradient(135deg, var(--teal-bright), var(--teal-deep));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
  position: relative;
  animation: markBreathe 4.5s ease-in-out infinite;
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 28% 28%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.logo-text {
  font-family: var(--font-latin);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.nav {
  display: none;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
}

.nav a,
.mobile-nav a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  transition: color 0.25s ease;
  white-space: nowrap;
}

.nav a:hover,
.mobile-nav a:hover {
  color: var(--teal);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  min-width: 4.75rem;
  padding: 0.42rem 1.55rem 0.42rem 0.65rem;
  border: 1px solid var(--line);
  background:
    #fff
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23567078' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E")
    no-repeat right 0.55rem center / 0.55rem;
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  cursor: pointer;
}

.lang-select:hover,
.lang-select:focus {
  border-color: rgba(15, 118, 110, 0.45);
  outline: none;
  color: var(--teal-deep);
}

.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;
}

.header-cta {
  display: none;
  padding: 0.55rem 1.1rem;
  border: 1px solid rgba(15, 118, 110, 0.35);
  color: var(--teal-deep);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.header-cta:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.mobile-nav button[data-open-contact] {
  display: block;
  width: 100%;
  padding: 0.75rem 0;
  text-align: left;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.menu-toggle {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-content: center;
  gap: 6px;
}

.menu-toggle span {
  display: block;
  width: 1.25rem;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto;
  z-index: 39;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(247, 250, 251, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.mobile-nav a {
  padding: 0.75rem 0;
  font-size: 1.05rem;
}

.mobile-nav[hidden] {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: clamp(1.5rem, 4vh, 2.5rem);
  padding:
    calc(var(--header-h) + 2.5rem)
    clamp(1.25rem, 5vw, 4rem)
    clamp(2.5rem, 6vh, 4rem);
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
  transition: transform 0.45s var(--ease);
}

.hero-plane {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 55% at 82% 48%, rgba(20, 184, 166, 0.14), transparent 68%),
    linear-gradient(105deg, rgba(247, 250, 251, 0.98) 0%, rgba(247, 250, 251, 0.9) 42%, rgba(247, 250, 251, 0.35) 68%, rgba(238, 244, 246, 0.4) 100%),
    linear-gradient(180deg, transparent 60%, rgba(238, 243, 244, 0.9) 100%);
}

.hero-orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.4;
  animation: orbFloat 12s ease-in-out infinite;
}

.orb-a {
  width: 16rem;
  height: 16rem;
  top: 18%;
  right: 6%;
  background: rgba(46, 196, 182, 0.26);
}

.orb-b {
  width: 11rem;
  height: 11rem;
  bottom: 22%;
  right: 26%;
  background: rgba(14, 116, 144, 0.2);
  animation-duration: 15s;
  animation-delay: -3s;
}

.orb-c {
  width: 8rem;
  height: 8rem;
  top: 46%;
  right: 40%;
  background: rgba(20, 184, 166, 0.16);
  animation-duration: 10s;
  animation-delay: -6s;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(36rem, 100%);
  max-width: 100%;
}

.hero-stage {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  justify-self: center;
  width: min(72vw, 300px);
}

.globe-scene {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  perspective: 900px;
  transform-style: preserve-3d;
}

.globe-halo {
  position: absolute;
  inset: -8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(20, 184, 166, 0.22), transparent 62%);
  animation: haloPulse 5.5s ease-in-out infinite;
}

.globe-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(15, 118, 110, 0.28);
  transform-style: preserve-3d;
}

.globe-ring.ring-a {
  inset: 0;
  border-style: solid;
  border-color: rgba(15, 118, 110, 0.16);
  animation: ringSpinA 36s linear infinite;
}

.globe-ring.ring-b {
  inset: 8%;
  border-style: dashed;
  animation: ringSpinB 24s linear infinite reverse;
}

.globe-ring.ring-c {
  inset: 16%;
  border-style: dotted;
  border-color: rgba(14, 116, 144, 0.35);
  animation: ringSpinC 18s linear infinite;
}

.globe-core {
  position: absolute;
  inset: 18%;
  border-radius: 50%;
}

.globe-sphere {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    inset -18px -10px 28px rgba(8, 40, 48, 0.28),
    inset 14px 10px 24px rgba(255, 255, 255, 0.18),
    0 0 0 1px rgba(15, 118, 110, 0.2),
    0 20px 50px rgba(12, 27, 34, 0.12);
}

.globe-ocean {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 32% 28%, #5fd0c4 0%, transparent 35%),
    radial-gradient(circle at 70% 65%, #0e7490 0%, transparent 42%),
    linear-gradient(145deg, #0f766e 0%, #115e59 42%, #0b3d4a 100%);
}

.globe-grid {
  position: absolute;
  inset: -40% -55%;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 27px,
      rgba(232, 248, 246, 0.18) 27px,
      rgba(232, 248, 246, 0.18) 28px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 23px,
      rgba(232, 248, 246, 0.14) 23px,
      rgba(232, 248, 246, 0.14) 24px
    );
  animation: globeSpin 22s linear infinite;
  mask-image: radial-gradient(circle at center, #000 58%, transparent 72%);
}

.globe-land {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 18% 12% at 28% 38%, rgba(209, 250, 229, 0.55) 0 55%, transparent 56%),
    radial-gradient(ellipse 22% 14% at 52% 34%, rgba(167, 243, 208, 0.5) 0 50%, transparent 52%),
    radial-gradient(ellipse 14% 18% at 68% 48%, rgba(209, 250, 229, 0.42) 0 48%, transparent 50%),
    radial-gradient(ellipse 16% 10% at 40% 62%, rgba(167, 243, 208, 0.35) 0 50%, transparent 52%),
    radial-gradient(ellipse 12% 9% at 74% 28%, rgba(209, 250, 229, 0.38) 0 48%, transparent 50%);
  animation: globeSpin 22s linear infinite;
  opacity: 0.9;
}

.globe-shine {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(125deg, rgba(255, 255, 255, 0.35) 0%, transparent 34%, transparent 60%, rgba(8, 40, 48, 0.22) 100%);
}

.globe-scan {
  position: absolute;
  inset: 0;
  background: conic-gradient(from 210deg, transparent 0 72%, rgba(94, 234, 212, 0.28) 78%, transparent 86%);
  animation: scanSweep 5.5s linear infinite;
  mix-blend-mode: soft-light;
}

.globe-atmos {
  position: absolute;
  inset: -6%;
  border-radius: 50%;
  box-shadow:
    0 0 0 1px rgba(94, 234, 212, 0.25),
    0 0 28px rgba(20, 184, 166, 0.28);
  animation: haloPulse 5.5s ease-in-out infinite;
}

.sat {
  position: absolute;
  top: 0;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #14b8a6;
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.18), 0 0 12px rgba(20, 184, 166, 0.55);
  offset-rotate: 0deg;
  animation: satTravel 11s linear infinite;
}

.sat-1 {
  offset-path: circle(48% at 50% 50%);
}

.sat-2 {
  width: 0.4rem;
  height: 0.4rem;
  offset-path: circle(40% at 50% 50%);
  animation-duration: 8s;
  animation-direction: reverse;
  background: #0f766e;
}

.sat-3 {
  width: 0.35rem;
  height: 0.35rem;
  offset-path: circle(32% at 50% 50%);
  animation-duration: 6.5s;
  background: #5eead4;
}

.globe-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.link-path {
  fill: none;
  stroke: rgba(15, 118, 110, 0.35);
  stroke-width: 1.2;
  stroke-dasharray: 6 10;
  animation: dashMove 10s linear infinite;
}

.link-path.delay-link {
  animation-duration: 14s;
  animation-direction: reverse;
  stroke: rgba(14, 116, 144, 0.3);
}

@media (max-width: 959px) {
  .hero {
    grid-template-rows: auto auto;
    align-content: center;
  }

  .hero-stage {
    order: -1;
    width: min(58vw, 240px);
    opacity: 0.9;
    margin-top: 0.5rem;
  }

  .hero-content {
    width: 100%;
  }
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    column-gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: center;
    padding-top: calc(var(--header-h) + 1rem);
    padding-bottom: clamp(2rem, 5vh, 3.5rem);
  }

  .hero-content {
    width: min(36rem, 100%);
    justify-self: start;
  }

  .hero-stage {
    width: min(100%, 420px);
    justify-self: end;
  }
}

.brand-hero {
  margin: 0 0 1.1rem;
  font-family: var(--font-latin);
  font-size: clamp(3.2rem, 10vw, 6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  color: transparent;
  background: linear-gradient(105deg, var(--ink) 35%, var(--teal-deep) 50%, var(--ink) 65%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: brandShine 7s ease-in-out infinite;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4.4vw, 2.65rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.hero-lead {
  margin: 1.35rem 0 0;
  max-width: 38rem;
  font-size: clamp(1rem, 2vw, 1.12rem);
  color: #3d545c;
  word-break: keep-all;
  line-break: strict;
}

.nowrap {
  white-space: nowrap;
}

.product-name {
  font-family: var(--font-latin);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--teal-deep);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.25s var(--ease), background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

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

.btn-primary {
  background: var(--ink);
  color: #f4fafb;
}

.btn-primary:hover {
  background: var(--teal-deep);
}

.btn-ghost {
  border: 1px solid rgba(12, 27, 34, 0.22);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
}

/* Sections */
.section {
  padding: clamp(4.5rem, 10vh, 7rem) 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.section h2,
.contact-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.03em;
}

.section-desc,
.split-copy > p:last-child,
.contact-panel > p {
  margin: 1rem 0 0;
  color: #456067;
  font-size: 1.02rem;
}

/* Frameworks */
.frameworks {
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.035), transparent 50%);
}

.fw-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.fw-item {
  display: grid;
  gap: 1rem;
  padding: 1.55rem 0;
  border-bottom: 1px solid var(--line);
}

.fw-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.1rem;
}

.fw-code {
  font-family: var(--font-latin);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.fw-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}

.fw-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.fw-flow li {
  position: relative;
  padding: 0.7rem 0.9rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.fw-flow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--teal-bright);
}

@media (min-width: 720px) {
  .fw-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    align-items: stretch;
  }

  .fw-flow li {
    display: grid;
    place-items: center;
    text-align: center;
    min-height: 3.4rem;
    padding: 0.85rem 1rem;
    border-left: 0;
  }

  .fw-flow li:first-child {
    border-left: 1px solid var(--line);
  }

  .fw-flow li::before {
    display: none;
  }

  .fw-flow li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -0.15rem;
    width: 0.45rem;
    height: 0.45rem;
    border-top: 1.5px solid rgba(15, 118, 110, 0.45);
    border-right: 1.5px solid rgba(15, 118, 110, 0.45);
    transform: translateY(-50%) rotate(45deg);
    z-index: 1;
    background: transparent;
  }
}

@media (min-width: 960px) {
  .fw-item {
    grid-template-columns: minmax(11rem, 0.34fr) minmax(0, 1fr);
    align-items: center;
    gap: 2rem;
    padding: 1.65rem 0;
  }
}

/* Product */
.product {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.05), transparent 55%);
}

.product-intro {
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.product-title {
  font-family: var(--font-latin) !important;
  font-size: clamp(2.4rem, 6vw, 3.75rem) !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  line-height: 1.05 !important;
}

.product-tagline {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
}

.product-privacy {
  margin: 1.15rem 0 0;
  display: inline-block;
  padding: 0.45rem 0;
  border-top: 1px solid rgba(15, 118, 110, 0.25);
  border-bottom: 1px solid rgba(15, 118, 110, 0.25);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  position: relative;
}

.product-privacy::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--teal-bright);
  transition: width 0.9s var(--ease) 0.2s;
}

.product-intro.is-in .product-privacy::before {
  width: 100%;
}

.product-platform {
  margin: 0.85rem 0 0;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
}

.product-points {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.product-point {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.product-point h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}

.product-point p {
  margin: 0;
  max-width: 34rem;
  color: #456067;
}

@media (min-width: 768px) {
  .product-points {
    grid-template-columns: repeat(2, 1fr);
    border-bottom: 1px solid var(--line);
  }

  .product-point {
    padding: 1.75rem 1.5rem 1.75rem 0;
    border-right: 1px solid var(--line);
  }

  .product-point:nth-child(2n) {
    border-right: 0;
    padding-right: 0;
  }

  .product-point:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .product-point:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    border-right: 0;
    padding-right: 0;
  }
}

@media (min-width: 1100px) {
  .product-points {
    grid-template-columns: repeat(6, 1fr);
  }

  .product-point {
    grid-column: span 2;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
    padding-right: 1.5rem;
  }

  .product-point:nth-child(2n) {
    border-right: 1px solid var(--line);
    padding-right: 1.5rem;
  }

  .product-point:nth-child(3),
  .product-point:nth-child(5) {
    border-right: 0;
    padding-right: 0;
  }

  .product-point:nth-child(n + 4) {
    border-bottom: 0;
  }

  .product-point:nth-child(4),
  .product-point:nth-child(5) {
    grid-column: span 3;
  }

  .product-point:last-child:nth-child(odd) {
    grid-column: span 3;
  }
}

/* About / dual barrier */
.dual-barrier {
  display: grid;
  gap: 1.5rem;
}

.barrier {
  padding: 1.75rem 0 0;
  border-top: 1px solid var(--line);
}

.barrier-index {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-latin);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--teal-bright);
}

.barrier h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}

.barrier p {
  margin: 0;
  color: #456067;
}

/* Capability */
.capability {
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.04), transparent 40%),
    linear-gradient(90deg, transparent, rgba(12, 27, 34, 0.03) 50%, transparent);
}

.split {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

.split-copy h2 {
  max-width: 16em;
}

.capability-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.capability-list li {
  display: grid;
  gap: 0.25rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--line);
}

.capability-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.capability-list strong {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
}

.capability-list span {
  color: #567078;
  font-size: 0.95rem;
}

/* FDE */
.fde-stages {
  display: grid;
  gap: 0;
}

.fde-stage {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.fde-stage:last-child {
  border-bottom: 1px solid var(--line);
}

.fde-stage h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.fde-stage p {
  margin: 0;
  color: #567078;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

@media (max-width: 767px) {
  .fde-stage p.nowrap {
    white-space: normal;
  }
}

/* Coverage modules */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.module {
  padding: 1.5rem 1.15rem;
  background: rgba(247, 250, 251, 0.92);
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: center;
  transition: background 0.35s ease, color 0.35s ease, transform 0.35s var(--ease);
}

.module:hover {
  background: var(--ink);
  color: #e8f5f4;
  transform: translateY(-2px);
}

.capability-list li {
  transition: padding-left 0.35s var(--ease), background 0.35s ease;
}

.capability-list li:hover {
  padding-left: 0.55rem;
}

.fde-stage {
  transition: transform 0.35s var(--ease), background 0.35s ease;
}

.fde-stage:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: var(--ink);
  color: #f4fafb;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.14) 45%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s var(--ease);
}

.btn-primary:hover::after {
  transform: translateX(120%);
}

/* Service */
.service-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.service-steps li {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.service-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.service-steps span {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.service-steps strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

/* Contact */
.contact {
  padding-bottom: clamp(5rem, 12vh, 8rem);
}

.contact-panel {
  padding: clamp(2.5rem, 6vw, 4rem) 0 0;
  border-top: 1px solid var(--line);
  text-align: left;
}

.brand-inline {
  margin: 0 0 1rem;
  font-family: var(--font-latin);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.contact-panel .btn {
  margin-top: 1.75rem;
}

/* Contact modal */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.contact-modal[hidden] {
  display: none;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 27, 34, 0.45);
  backdrop-filter: blur(4px);
}

.contact-modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 22rem);
  padding: 2rem 1.75rem 1.85rem;
  background: #f7fafb;
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(12, 27, 34, 0.16);
  text-align: center;
  animation: modalIn 0.28s var(--ease);
}

.contact-modal-close {
  position: absolute;
  top: 0.55rem;
  right: 0.7rem;
  width: 2rem;
  height: 2rem;
  font-size: 1.35rem;
  line-height: 1;
  color: #567078;
}

.contact-modal-close:hover {
  color: var(--ink);
}

.contact-modal-tip {
  margin: 0.35rem 0 0;
  color: #567078;
  font-size: 0.95rem;
}

.contact-modal-phone-row {
  display: grid;
  gap: 0.85rem;
  justify-items: center;
  margin-top: 1.25rem;
}

.contact-modal-phone {
  display: inline-block;
  font-family: var(--font-latin);
  font-size: clamp(1.55rem, 5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  border-bottom: 1px solid rgba(15, 118, 110, 0.35);
  user-select: all;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.contact-modal-phone:hover {
  color: var(--teal-deep);
  border-bottom-color: var(--teal);
}

.contact-copy-btn {
  padding: 0.45rem 0.95rem;
  border: 1px solid rgba(15, 118, 110, 0.35);
  color: var(--teal-deep);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.contact-copy-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.contact-copy-toast {
  margin: 0.65rem 0 0;
  font-size: 0.85rem;
  color: var(--teal-deep);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem 0 2.5rem;
  background: rgba(238, 244, 246, 0.65);
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.footer-brand strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
}

.footer-brand p,
.footer-meta p {
  margin: 0.35rem 0 0;
  color: #567078;
  font-size: 0.88rem;
}

.footer-meta a {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.88rem;
  color: #456067;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-meta a:hover {
  color: var(--teal);
  border-bottom-color: rgba(15, 118, 110, 0.4);
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.18s; }
.delay-3 { transition-delay: 0.26s; }
.delay-4 { transition-delay: 0.34s; }

@keyframes drift {
  from { transform: rotate(-2deg) translateY(0); }
  to { transform: rotate(2deg) translateY(-8px); }
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.25);
  }
}

@keyframes dashMove {
  to { stroke-dashoffset: -180; }
}

@keyframes orbFloat {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-18px, 22px, 0) scale(1.08); }
}

@keyframes brandShine {
  0%, 100% { background-position: 100% 50%; }
  50% { background-position: 0% 50%; }
}

@keyframes markBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

@keyframes globeSpin {
  to { transform: translateX(-18%); }
}

@keyframes ringSpinA {
  from { transform: rotateX(68deg) rotateZ(-18deg); }
  to { transform: rotateX(68deg) rotateZ(342deg); }
}

@keyframes ringSpinB {
  from { transform: rotateX(68deg) rotateZ(24deg); }
  to { transform: rotateX(68deg) rotateZ(384deg); }
}

@keyframes ringSpinC {
  from { transform: rotateX(68deg) rotateZ(-50deg); }
  to { transform: rotateX(68deg) rotateZ(310deg); }
}

@keyframes scanSweep {
  to { transform: rotate(360deg); }
}

@keyframes satTravel {
  to { offset-distance: 100%; }
}

@keyframes haloPulse {
  0%, 100% { opacity: 0.75; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .orbit-lines,
  .orbit-dash,
  .orbit-flow,
  .nodes .node,
  .orb,
  .brand-hero,
  .logo-mark,
  .globe-grid,
  .globe-land,
  .globe-scan,
  .globe-ring,
  .globe-halo,
  .globe-atmos,
  .sat,
  .link-path {
    animation: none !important;
  }

  .brand-hero {
    color: var(--ink);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
  }

  .btn:hover,
  .module:hover,
  .fde-stage:hover {
    transform: none;
  }

  .hero-visual,
  .hero-bg {
    transition: none !important;
    transform: none !important;
  }

  .scroll-progress {
    display: none;
  }
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .header-cta {
    display: inline-flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none !important;
  }

  .dual-barrier {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .fde-stages {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .fde-stage {
    padding: 1.75rem 1rem 1.75rem 0;
    border-top: 0;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
    min-width: 0;
  }

  .fde-stage p.nowrap {
    display: block;
    overflow: hidden;
    text-overflow: clip;
  }

  .fde-stage:first-child {
    border-left: 0;
  }

  .fde-stage:last-child {
    border-right: 0;
    padding-right: 0;
  }

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

  .footer-inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }

  .footer-meta {
    text-align: right;
  }
}

@media (min-width: 960px) {
  .module-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .split {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 4.5rem;
    align-items: center;
  }

  .split.reverse {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .split.reverse .split-copy {
    order: 2;
  }
}