:root {
  --ink: #0a1726;
  --ink-2: #13263a;
  --navy: #07111f;
  --navy-2: #0a1b2e;
  --navy-3: #10283e;
  --paper: #f4f7f8;
  --white: #ffffff;
  --muted: #5c6b78;
  --muted-light: #9fb0bf;
  --line: #d8e1e7;
  --line-dark: rgba(255, 255, 255, 0.13);
  --cyan: #38d6c5;
  --cyan-dark: #0b8178;
  --blue: #5a9dff;
  --accent-soft: #dff9f5;
  --shadow: 0 24px 70px rgba(7, 17, 31, 0.12);
  --shadow-soft: 0 12px 35px rgba(7, 17, 31, 0.08);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --header-height: 76px;
  --container: 1220px;
  --section-space: clamp(5rem, 9vw, 8.5rem);
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

button,
summary {
  font: inherit;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

::selection {
  color: var(--navy);
  background: var(--cyan);
}

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

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h2 {
  max-width: 820px;
  margin-bottom: 0;
  font-size: clamp(2.25rem, 4.7vw, 4.65rem);
  font-weight: 650;
}

h3 {
  font-size: 1.25rem;
  font-weight: 650;
}

.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 9999;
  padding: 0.75rem 1rem;
  color: var(--navy);
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.3rem;
  color: #cae0eb;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 25px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(56, 214, 197, 0.75);
}

.eyebrow.dark {
  color: var(--cyan-dark);
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  color: var(--navy);
  background: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(56, 214, 197, 0.14);
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  background: #65e5d8;
  box-shadow: 0 14px 34px rgba(56, 214, 197, 0.22);
  transform: translateY(-2px);
}

.button-ghost {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow: none;
}

.button-ghost:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.button-small {
  min-height: 42px;
  padding: 0.65rem 1rem;
  font-size: 0.86rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  color: var(--white);
  background: rgba(7, 17, 31, 0.86);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 17, 31, 0.96);
  border-color: var(--line-dark);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.2);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: block;
  flex: 0 0 auto;
  padding: 0.35rem;
  text-decoration: none;
}

.brand img {
  width: 150px;
  height: auto;
  mix-blend-mode: screen;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 1.7vw, 1.7rem);
}

.nav-panel > a:not(.button) {
  position: relative;
  color: #c1cfda;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-panel > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -0.72rem;
  left: 0;
  height: 2px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-panel > a:not(.button):hover,
.nav-panel > a:not(.button).is-active {
  color: var(--white);
}

.nav-panel > a:not(.button).is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 11px;
  border: 1px solid var(--line-dark);
  border-radius: 9px;
  color: inherit;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin-block: 5px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  position: relative;
  min-height: 850px;
  padding: calc(var(--header-height) + clamp(4.2rem, 8vw, 7rem)) 0 clamp(4.5rem, 8vw, 7rem);
  color: var(--white);
  background:
    radial-gradient(circle at 78% 34%, rgba(30, 119, 151, 0.18), transparent 30%),
    radial-gradient(circle at 10% 72%, rgba(56, 214, 197, 0.09), transparent 27%),
    linear-gradient(135deg, #07111f 0%, #081829 57%, #0b2133 100%);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  top: 120px;
  right: -160px;
  width: 560px;
  height: 560px;
  content: "";
  border: 1px solid rgba(56, 214, 197, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 0 95px rgba(56, 214, 197, 0.025), 0 0 0 190px rgba(56, 214, 197, 0.018);
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image: linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, #000 22%, #000 80%, transparent);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(440px, 0.94fr);
  align-items: center;
  gap: clamp(3rem, 6vw, 6.5rem);
}

.hero-copy h1 {
  max-width: 760px;
  margin-bottom: 1.75rem;
  font-size: clamp(3.2rem, 6vw, 6.5rem);
  font-weight: 640;
  letter-spacing: -0.06em;
}

.hero-copy h1 em {
  color: var(--cyan);
  font-style: normal;
}

.hero-lead {
  max-width: 690px;
  margin-bottom: 2.1rem;
  color: #bdcad5;
  font-size: clamp(1.05rem, 1.6vw, 1.24rem);
  line-height: 1.7;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.trust-note {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1.65rem 0 0;
  color: #91a5b5;
  font-size: 0.88rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(56, 214, 197, 0.1), 0 0 16px var(--cyan);
}

.flow-card {
  position: relative;
  width: 100%;
  padding: 1.2rem;
  background: linear-gradient(145deg, rgba(19, 46, 67, 0.92), rgba(8, 24, 40, 0.96));
  border: 1px solid rgba(129, 177, 198, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: 0 45px 100px rgba(0, 0, 0, 0.34), inset 0 1px rgba(255, 255, 255, 0.05);
}

.flow-card::before {
  position: absolute;
  inset: -1px;
  z-index: -1;
  content: "";
  background: linear-gradient(135deg, rgba(56, 214, 197, 0.28), transparent 42%, rgba(90, 157, 255, 0.16));
  border-radius: inherit;
  filter: blur(18px);
  opacity: 0.5;
}

.flow-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.25rem 1rem;
  color: #b6c7d3;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flow-live {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--cyan);
  font-size: 0.66rem;
}

.flow-live i {
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
}

.flow-canvas {
  position: relative;
  min-height: 355px;
  background-color: rgba(4, 14, 25, 0.66);
  background-image: radial-gradient(rgba(138, 190, 209, 0.17) 1px, transparent 1px);
  background-size: 18px 18px;
  border: 1px solid rgba(151, 190, 206, 0.12);
  border-radius: 18px;
  overflow: hidden;
}

.source-stack {
  position: absolute;
  top: 50%;
  left: 7%;
  display: grid;
  gap: 1rem;
  transform: translateY(-50%);
}

.flow-node {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #102b42;
  border: 1px solid rgba(138, 190, 209, 0.24);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.flow-node.source {
  width: 82px;
  height: 59px;
  padding: 0.65rem 0.75rem;
  border-radius: 9px;
}

.flow-node span,
.flow-node strong {
  color: #eaf6fa;
  font-size: 0.78rem;
  font-weight: 700;
}

.flow-node small,
.flow-core small {
  color: #8199aa;
  font-size: 0.58rem;
}

.flow-core {
  position: absolute;
  top: 50%;
  left: 52%;
  display: flex;
  width: 135px;
  height: 135px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: radial-gradient(circle, #133c50 0%, #0c263b 70%);
  border: 1px solid rgba(56, 214, 197, 0.44);
  border-radius: 50%;
  box-shadow: 0 0 45px rgba(56, 214, 197, 0.14), inset 0 0 25px rgba(56, 214, 197, 0.06);
  transform: translate(-50%, -50%);
}

.flow-core strong {
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
}

.flow-core small {
  position: relative;
  z-index: 1;
  margin-top: 0.18rem;
}

.core-ring {
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(56, 214, 197, 0.38);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

.flow-node.result {
  position: absolute;
  top: 50%;
  right: 5%;
  width: 105px;
  height: 112px;
  align-items: center;
  border-color: rgba(90, 157, 255, 0.38);
  border-radius: 12px;
  transform: translateY(-50%);
}

.mini-chart {
  display: flex;
  width: 58px;
  height: 35px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 0.55rem;
}

.mini-chart i {
  width: 9px;
  background: var(--blue);
  border-radius: 2px 2px 0 0;
}

.mini-chart i:nth-child(1) { height: 32%; }
.mini-chart i:nth-child(2) { height: 50%; }
.mini-chart i:nth-child(3) { height: 72%; }
.mini-chart i:nth-child(4) { height: 100%; background: var(--cyan); }

.flow-line {
  position: absolute;
  z-index: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(90, 157, 255, 0.2), var(--cyan));
  transform-origin: left center;
}

.flow-line::after {
  position: absolute;
  top: -3px;
  right: -1px;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

.flow-line-a { top: 30%; left: 25%; width: 26%; transform: rotate(15deg); }
.flow-line-b { top: 50%; left: 25%; width: 22%; }
.flow-line-c { top: 70%; left: 25%; width: 26%; transform: rotate(-15deg); }
.flow-line-out { top: 50%; left: 64%; width: 16%; background: linear-gradient(90deg, var(--cyan), var(--blue)); }

.flow-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  padding-top: 0.8rem;
}

.flow-stats > div {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem;
}

.flow-stats span {
  color: var(--cyan);
  font-size: 0.65rem;
  font-weight: 800;
}

.flow-stats p {
  margin: 0;
  color: #9eb1bf;
  font-size: 0.68rem;
  line-height: 1.35;
}

.competence-strip {
  color: #c7d3dc;
  background: #0b1b2b;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.strip-inner {
  display: grid;
  min-height: 86px;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.strip-inner > p {
  margin: 0;
  color: #6f899c;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.strip-inner ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.strip-inner li {
  position: relative;
  font-size: 0.86rem;
  font-weight: 650;
}

.strip-inner li + li::before {
  position: absolute;
  top: 50%;
  left: clamp(-2.6rem, -3vw, -1.2rem);
  width: 3px;
  height: 3px;
  content: "";
  background: var(--cyan);
  border-radius: 50%;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-heading > p {
  max-width: 460px;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.section-heading.light h2 {
  color: var(--white);
}

.section-heading.light > p {
  color: #9db0be;
}

.problems {
  background: var(--paper);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.problem-card {
  position: relative;
  min-height: 260px;
  padding: clamp(1.6rem, 3vw, 2.5rem);
  background: rgba(255, 255, 255, 0.58);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.problem-card:hover {
  z-index: 1;
  background: var(--white);
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
}

.card-index {
  display: block;
  margin-bottom: 3rem;
  color: var(--cyan-dark);
  font-size: 0.7rem;
  font-weight: 800;
}

.problem-card h3 {
  max-width: 260px;
  margin-bottom: 0.8rem;
}

.problem-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.problem-card.accent-card {
  color: var(--white);
  background: var(--ink-2);
}

.problem-card.accent-card p {
  color: #aebdca;
}

.problem-card.accent-card a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  color: var(--cyan);
  font-size: 0.88rem;
  font-weight: 700;
}

.about {
  background: var(--white);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(400px, 0.85fr);
  gap: clamp(3rem, 10vw, 9.5rem);
}

.about-copy h2 {
  margin-bottom: 2.1rem;
}

.large-copy {
  color: var(--ink-2);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.5;
  letter-spacing: -0.018em;
}

.about-copy > p:not(.eyebrow):not(.large-copy) {
  color: var(--muted);
}

.principles {
  border-top: 1px solid var(--line);
}

.principle {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1.2rem;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line);
}

.principle > span {
  color: var(--cyan-dark);
  font-size: 0.7rem;
  font-weight: 800;
}

.principle h3 {
  margin-bottom: 0.45rem;
  font-size: 1.08rem;
}

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

.principle.primary {
  position: relative;
  padding-inline: 1.2rem;
  background: var(--accent-soft);
  border: 0;
  border-radius: var(--radius-sm);
}

.services {
  color: var(--white);
  background: var(--navy);
}

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

.service-card {
  position: relative;
  min-height: 340px;
  padding: 1.8rem;
  background: linear-gradient(145deg, rgba(16, 40, 62, 0.85), rgba(10, 27, 46, 0.9));
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, background-color 0.25s ease;
}

.service-card::after {
  position: absolute;
  right: -80px;
  bottom: -110px;
  width: 190px;
  height: 190px;
  content: "";
  background: radial-gradient(circle, rgba(56, 214, 197, 0.12), transparent 68%);
}

.service-card:hover {
  background: linear-gradient(145deg, rgba(17, 48, 70, 0.92), rgba(10, 29, 48, 0.95));
  border-color: rgba(56, 214, 197, 0.42);
  transform: translateY(-4px);
}

.service-no {
  position: absolute;
  top: 1.2rem;
  right: 1.3rem;
  color: #627b8e;
  font-size: 0.65rem;
  font-weight: 800;
}

.service-mark {
  position: relative;
  width: 48px;
  height: 48px;
  margin-bottom: 3.2rem;
  border: 1px solid rgba(56, 214, 197, 0.48);
  border-radius: 50%;
}

.service-mark::before,
.service-mark::after {
  position: absolute;
  content: "";
  background: var(--cyan);
}

.service-mark::before {
  top: 50%;
  left: 12px;
  width: 23px;
  height: 1px;
}

.service-mark::after {
  top: 12px;
  left: 50%;
  width: 1px;
  height: 23px;
}

.service-card:nth-child(2) .service-mark { border-radius: 10px; transform: rotate(45deg); }
.service-card:nth-child(2) .service-mark::before,
.service-card:nth-child(2) .service-mark::after { transform: rotate(-45deg); }
.service-card:nth-child(3) .service-mark::after { top: 22px; left: 5px; width: 36px; height: 1px; }
.service-card:nth-child(3) .service-mark::before { top: 8px; left: 22px; width: 1px; height: 30px; }
.service-card:nth-child(4) .service-mark { border-style: dashed; }
.service-card:nth-child(5) .service-mark { border-radius: 8px 20px 8px 20px; }
.service-card:nth-child(6) .service-mark { box-shadow: inset 0 0 0 8px rgba(56, 214, 197, 0.08); }

.service-card h3 {
  max-width: 270px;
  margin-bottom: 0.9rem;
  font-size: 1.42rem;
}

.service-card p {
  margin-bottom: 1.2rem;
  color: #9eb0bd;
  font-size: 0.9rem;
}

.service-card strong {
  display: block;
  color: #d9e8ee;
  font-size: 0.8rem;
  font-weight: 650;
}

.more-services {
  margin-top: 1rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-sm);
}

.more-services summary {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.3rem;
  color: #dbe8ed;
  cursor: pointer;
  list-style: none;
}

.more-services summary::-webkit-details-marker,
.accordion summary::-webkit-details-marker {
  display: none;
}

.more-services summary span,
.accordion summary span {
  color: var(--cyan);
  font-size: 1.4rem;
  transition: transform 0.2s ease;
}

.more-services[open] summary span,
.accordion details[open] summary span {
  transform: rotate(45deg);
}

.more-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  padding: 1px;
  background: var(--line-dark);
  border-top: 1px solid var(--line-dark);
}

.more-grid article {
  padding: 1.5rem;
  background: var(--navy-2);
}

.more-grid h3 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.more-grid p {
  margin: 0;
  color: #92a7b6;
  font-size: 0.85rem;
}

.benefits {
  background: #edf2f4;
}

.benefit-intro {
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.benefit-intro h2 {
  max-width: 980px;
}

.benefit-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.88fr) minmax(0, 1.12fr);
  align-items: start;
  gap: clamp(3rem, 9vw, 8rem);
}

.benefit-statement {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem;
  color: var(--white);
  background: var(--ink-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.benefit-statement > p {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 650;
  letter-spacing: -0.04em;
}

.benefit-statement > span {
  color: var(--cyan);
  font-size: 1.8rem;
}

.benefit-result {
  grid-column: 1 / -1;
  margin-top: 1rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line-dark);
}

.benefit-result small {
  display: block;
  margin-bottom: 0.35rem;
  color: #7f98aa;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.benefit-result strong {
  color: var(--cyan);
  font-size: 1.2rem;
  font-weight: 650;
}

.benefit-list {
  border-top: 1px solid #cad5db;
}

.benefit-list article {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid #cad5db;
}

.benefit-list article > span {
  color: var(--cyan-dark);
  font-size: 0.68rem;
  font-weight: 800;
}

.benefit-list h3 {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.benefit-list p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
}

.process {
  background: var(--white);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.process-list li {
  position: relative;
  min-height: 305px;
  padding: 2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-list li::after {
  position: absolute;
  right: -8px;
  bottom: 50%;
  z-index: 2;
  width: 15px;
  height: 15px;
  content: "";
  background: var(--white);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transform: rotate(45deg);
}

.process-list li:nth-child(3)::after,
.process-list li:nth-child(6)::after {
  display: none;
}

.step-no {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 3rem;
  color: var(--navy);
  background: var(--accent-soft);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
}

.process-list h3 {
  margin-bottom: 0.65rem;
}

.process-list p {
  color: var(--muted);
  font-size: 0.9rem;
}

.process-list small {
  display: block;
  color: var(--cyan-dark);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.5;
}

.use-cases {
  color: var(--white);
  background: linear-gradient(140deg, #081522, #0d2335);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.case-card {
  min-height: 370px;
  padding: clamp(1.6rem, 3.5vw, 2.8rem);
  background: rgba(15, 42, 62, 0.7);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}

.case-card > span {
  display: inline-block;
  margin-bottom: 3.5rem;
  padding: 0.42rem 0.65rem;
  color: var(--cyan);
  background: rgba(56, 214, 197, 0.08);
  border: 1px solid rgba(56, 214, 197, 0.19);
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.case-card h3 {
  max-width: 440px;
  margin-bottom: 0.9rem;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
}

.case-card p {
  color: #9fb1bf;
}

.case-card ul {
  display: grid;
  gap: 0.45rem;
  margin: 1.4rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}

.case-card li {
  position: relative;
  padding-left: 1.2rem;
  color: #d2dfe5;
  font-size: 0.82rem;
}

.case-card li::before {
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--cyan);
  border-radius: 50%;
}

.faq {
  background: var(--paper);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: clamp(3rem, 9vw, 8rem);
}

.faq-intro {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.faq-intro h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.3rem, 4.2vw, 4rem);
}

.faq-intro > p:not(.eyebrow) {
  color: var(--muted);
}

.text-link {
  color: var(--cyan-dark);
  font-weight: 700;
}

.accordion {
  border-top: 1px solid var(--line);
}

.accordion details {
  border-bottom: 1px solid var(--line);
}

.accordion summary {
  display: grid;
  min-height: 84px;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding-block: 1rem;
  font-size: 1.06rem;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}

.accordion summary:hover {
  color: var(--cyan-dark);
}

.accordion details p {
  max-width: 720px;
  padding: 0 3rem 1.5rem 0;
  color: var(--muted);
}

.contact {
  position: relative;
  padding-block: clamp(5rem, 9vw, 8rem);
  color: var(--white);
  background: var(--navy);
  overflow: hidden;
}

.contact::before {
  position: absolute;
  top: -230px;
  left: 45%;
  width: 660px;
  height: 660px;
  content: "";
  background: radial-gradient(circle, rgba(56, 214, 197, 0.12), transparent 67%);
  border-radius: 50%;
}

.contact-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(360px, 0.7fr);
  align-items: center;
  gap: clamp(3rem, 9vw, 8rem);
}

.contact-copy h2 {
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.contact-copy > p:not(.eyebrow) {
  max-width: 700px;
  margin-bottom: 2rem;
  color: #aebdca;
  font-size: 1.05rem;
}

.contact-card {
  padding: 1rem 2rem;
  background: rgba(16, 40, 62, 0.86);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-card > div {
  display: grid;
  gap: 0.3rem;
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--line-dark);
}

.contact-card span {
  color: #7f98aa;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-card a,
.contact-card p {
  margin: 0;
  color: #e9f2f6;
  font-size: 0.96rem;
  overflow-wrap: anywhere;
}

.contact-card small {
  display: block;
  padding-block: 1.3rem 0.6rem;
  color: #71899b;
  font-size: 0.67rem;
  line-height: 1.55;
}

.site-footer {
  color: #90a4b3;
  background: #050d17;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 0.55fr 0.9fr;
  gap: 3rem;
  padding-block: 4rem;
}

.footer-brand img {
  width: 175px;
  margin-bottom: 1.2rem;
  mix-blend-mode: screen;
}

.footer-brand p {
  max-width: 410px;
  margin: 0;
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links p {
  margin-bottom: 0.4rem;
  color: #dbe5e9;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links a {
  color: #90a4b3;
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  margin: 0;
  color: #667b8c;
  font-size: 0.7rem;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 900;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--navy);
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(7, 17, 31, 0.22);
  opacity: 0;
  pointer-events: none;
  text-decoration: none;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 1100px) {
  .nav-panel {
    gap: 1rem;
  }

  .nav-panel > a:not(.button) {
    font-size: 0.8rem;
  }

  .hero-layout {
    grid-template-columns: 1fr 420px;
    gap: 2.5rem;
  }

  .flow-stats {
    grid-template-columns: 1fr;
  }

  .flow-stats > div {
    padding-block: 0.2rem;
  }
}

@media (max-width: 940px) {
  :root {
    --header-height: 70px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-panel {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    max-height: calc(100vh - var(--header-height));
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.5rem;
    background: rgba(7, 17, 31, 0.99);
    border-top: 1px solid var(--line-dark);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.35);
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-panel.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-panel > a:not(.button) {
    min-height: 50px;
    padding: 0.8rem 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.95rem;
  }

  .nav-panel > a:not(.button)::after {
    display: none;
  }

  .nav-panel .button {
    margin-top: 1rem;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
  }

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

  .flow-card {
    max-width: 650px;
    margin-inline: auto;
  }

  .section-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1.5rem;
  }

  .problem-grid,
  .service-grid,
  .process-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-layout,
  .benefit-layout,
  .faq-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-layout {
    gap: 3rem;
  }

  .benefit-statement,
  .faq-intro {
    position: static;
  }

  .process-list li:nth-child(3)::after {
    display: block;
  }

  .process-list li:nth-child(2n)::after {
    display: none;
  }

  .contact-card {
    max-width: 660px;
  }

  .footer-main {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .section {
    padding-block: clamp(4.2rem, 14vw, 6rem);
  }

  h2 {
    font-size: clamp(2.15rem, 10vw, 3.5rem);
  }

  .brand img {
    width: 132px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 4.2rem);
  }

  .hero-copy h1 {
    font-size: clamp(2.95rem, 14vw, 4.8rem);
  }

  .hero-actions .button,
  .contact-actions .button {
    width: 100%;
  }

  .flow-card {
    padding: 0.75rem;
    border-radius: 20px;
  }

  .flow-canvas {
    min-height: 320px;
  }

  .source-stack {
    left: 4%;
  }

  .flow-node.source {
    width: 66px;
    height: 52px;
    padding: 0.5rem;
  }

  .flow-core {
    left: 51%;
    width: 112px;
    height: 112px;
  }

  .flow-node.result {
    right: 3%;
    width: 83px;
    height: 102px;
  }

  .flow-line-a,
  .flow-line-c { left: 23%; width: 27%; }
  .flow-line-b { left: 23%; width: 24%; }
  .flow-line-out { left: 64%; width: 14%; }

  .flow-stats {
    display: none;
  }

  .strip-inner {
    display: block;
    padding-block: 1.4rem;
  }

  .strip-inner > p {
    margin-bottom: 1rem;
  }

  .strip-inner ul {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.65rem;
  }

  .strip-inner li {
    padding: 0.4rem 0.65rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-dark);
    border-radius: 999px;
    font-size: 0.72rem;
  }

  .strip-inner li + li::before {
    display: none;
  }

  .problem-grid,
  .service-grid,
  .process-list,
  .case-grid,
  .more-grid {
    grid-template-columns: 1fr;
  }

  .problem-card {
    min-height: auto;
  }

  .card-index {
    margin-bottom: 2rem;
  }

  .service-card {
    min-height: 300px;
  }

  .benefit-statement {
    grid-template-columns: 1fr auto;
  }

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

  .process-list li::after,
  .process-list li:nth-child(3)::after {
    display: none;
  }

  .step-no {
    margin-bottom: 2rem;
  }

  .case-card {
    min-height: auto;
  }

  .case-card > span {
    margin-bottom: 2.5rem;
  }

  .accordion summary {
    min-height: 76px;
    font-size: 0.98rem;
  }

  .contact-card {
    padding-inline: 1.25rem;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 1.2rem;
  }
}

@media (max-width: 390px) {
  .container {
    width: min(calc(100% - 1.4rem), var(--container));
  }

  .hero-copy h1 {
    font-size: 2.72rem;
  }

  .flow-node.source {
    width: 58px;
  }

  .flow-core {
    width: 100px;
    height: 100px;
  }

  .flow-core strong {
    font-size: 0.9rem;
  }

  .flow-core small {
    font-size: 0.5rem;
  }

  .flow-node.result {
    width: 72px;
  }

  .mini-chart {
    width: 46px;
  }

  .benefit-statement {
    padding: 1.4rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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