:root {
  --navy: #0b1733;
  --navy-2: #13264c;
  --ink: #1a2742;
  --muted: #5a647a;
  --line: #e4e8f1;
  --paper: #f5f7fb;
  --white: #ffffff;
  --purple: #6d3fe0;
  --purple-soft: #efe8ff;
  --cyan: #2bb8cb;
  --cyan-soft: #e4f8fb;
  --teal: #1a7d88;
  --green: #2c8a5e;
  --green-soft: #e7f6ee;
  --shadow: 0 18px 50px rgba(11, 23, 51, 0.08);
  --radius: 22px;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --max: 1160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea {
  font-family: inherit;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.grid-bg {
  background-image:
    linear-gradient(rgba(11, 23, 51, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 23, 51, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
}

h1,
h2,
.display {
  font-family: var(--serif);
  font-weight: 560;
  letter-spacing: -0.03em;
  color: var(--navy);
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
}

h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--navy);
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 58ch;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-head.centered {
  margin-inline: auto;
  text-align: center;
}

.section-head.centered .lead,
.section-head.centered .eyebrow {
  margin-inline: auto;
}

.section-head .lead {
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 24px;
  font-weight: 650;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--purple) 0%, #4f24c4 100%);
  box-shadow: 0 12px 28px rgba(109, 63, 224, 0.28);
}

.btn-ghost {
  color: var(--navy);
  background: transparent;
  border: 1px solid var(--line);
}

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--navy);
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}

.skip:focus {
  top: 12px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(11, 23, 51, 0.04);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
}

.brand-word {
  font-weight: 750;
  font-size: 1.28rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-word .io {
  color: var(--purple);
}

.brand-word .kub {
  color: var(--cyan);
}

.brand-sub {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-links a:not(.btn) {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn).active {
  color: var(--navy);
}

.nav-links .btn {
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  margin: 0 auto;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero p.lead {
  margin: 22px 0 32px;
  font-size: 1.16rem;
}

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

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-visual img {
  width: min(100%, 540px);
  border-radius: 28px;
  animation: float 6.5s ease-in-out infinite;
  filter: drop-shadow(0 30px 40px rgba(109, 63, 224, 0.16));
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
}

.orb-purple {
  width: 280px;
  height: 280px;
  background: rgba(109, 63, 224, 0.18);
  top: 10%;
  right: 8%;
}

.orb-cyan {
  width: 220px;
  height: 220px;
  background: rgba(43, 184, 203, 0.18);
  bottom: 8%;
  left: 12%;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 56px;
}

.stat {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
}

.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--navy);
  letter-spacing: -0.03em;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

/* Cards */
.cards-4,
.cards-3,
.cards-2 {
  display: grid;
  gap: 20px;
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

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

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card p {
  color: var(--muted);
  margin-top: 10px;
}

.icon-pill {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  font-size: 1.15rem;
}

.icon-purple {
  background: var(--purple-soft);
}

.icon-cyan {
  background: var(--cyan-soft);
}

.icon-green {
  background: var(--green-soft);
}

.icon-navy {
  background: #e8edf7;
}

.icon-pill span {
  width: 14px;
  height: 14px;
  display: block;
  border: 2px solid currentColor;
  transform: rotate(45deg);
}

.icon-purple span {
  color: var(--purple);
  background: var(--purple);
}

.icon-cyan span {
  color: var(--cyan);
  border-radius: 50%;
  transform: none;
}

.icon-green span {
  color: var(--green);
  width: 16px;
  height: 10px;
  border-radius: 2px;
  transform: none;
  background: var(--green);
  border: 0;
}

.icon-navy span {
  color: var(--navy-2);
  background: transparent;
  box-shadow: 4px -4px 0 currentColor;
}

.tone-purple {
  border-top: 4px solid var(--purple);
}

.tone-cyan {
  border-top: 4px solid var(--cyan);
}

.tone-green {
  border-top: 4px solid var(--green);
}

.tone-navy {
  border-top: 4px solid var(--navy-2);
}

/* Architecture */
.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}

.pipeline .step::after {
  content: "";
  position: absolute;
  top: 36px;
  right: -12px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--purple);
  border-right: 2px solid var(--purple);
  transform: rotate(45deg);
  z-index: 1;
}

.pipeline .step:last-child::after {
  display: none;
}

.step {
  position: relative;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 220px;
}

.step-num {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--purple);
  display: block;
  margin-bottom: 10px;
}

.step small {
  display: block;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.72rem;
  margin-bottom: 8px;
}

.step p {
  color: var(--muted);
  margin-top: 8px;
  font-size: 0.94rem;
}

/* Platform */
.platform {
  background: var(--navy);
  color: #d7deea;
  border-radius: 36px;
  padding: 64px;
  overflow: hidden;
  position: relative;
}

.platform h2,
.platform h3 {
  color: #fff;
}

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

.platform .lead {
  color: #b7c2d4;
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}

.feature {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.feature b {
  display: block;
  color: #fff;
  margin-bottom: 4px;
}

/* Sectors */
.sector {
  padding: 0;
  overflow: hidden;
}

.sector-body {
  padding: 26px;
}

.sector .kicker {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.result-bar {
  margin-top: 28px;
  padding: 22px 28px;
  border-radius: 18px;
  background: var(--navy);
  color: #fff;
  text-align: center;
  font-weight: 600;
}

/* Cases */
.case {
  overflow: hidden;
  padding: 0;
}

.case img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.case-body {
  padding: 24px;
}

.case-body h3 {
  margin-bottom: 10px;
}

.meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.meta strong {
  color: var(--navy);
  font-weight: 650;
}

/* Timeline */
.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.phase {
  padding: 28px 22px;
  background: #fff;
  border: 1px solid var(--line);
  position: relative;
}

.phase:first-child {
  border-radius: 22px 0 0 22px;
}

.phase:last-child {
  border-radius: 0 22px 22px 0;
}

.phase:nth-child(1) {
  background: #13264c;
  color: #fff;
  border-color: #13264c;
}

.phase:nth-child(2) {
  background: #1d3c72;
  color: #fff;
  border-color: #1d3c72;
}

.phase:nth-child(3) {
  background: #1e6f7a;
  color: #fff;
  border-color: #1e6f7a;
}

.phase:nth-child(4) {
  background: #2c8a5e;
  color: #fff;
  border-color: #2c8a5e;
}

.phase h3,
.phase p {
  color: inherit;
}

.phase p {
  opacity: 0.88;
  margin-top: 10px;
  font-size: 0.92rem;
}

.phase .when {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 8px;
}

.note {
  margin-top: 22px;
  text-align: center;
  color: var(--muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: stretch;
}

.contact-panel {
  background: var(--navy);
  color: #d5deea;
  border-radius: 28px;
  padding: 36px;
  display: flex;
  flex-direction: column;
}

.contact-panel h2 {
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.contact-panel h2,
.contact-panel a {
  color: #fff;
}

.contact-panel .lead {
  color: #b7c2d4;
  margin: 10px 0 20px;
  font-size: 0.95rem;
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 16px;
}

.contact-list li {
  display: grid;
  gap: 2px;
}

.contact-list span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
}

.quote {
  margin-top: auto;
  padding-top: 24px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: #fff;
  line-height: 1.4;
}

form {
  display: grid;
  gap: 14px;
}

label {
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--navy);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(109, 63, 224, 0.35);
  border-color: var(--purple);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-status {
  min-height: 1.4em;
  font-size: 0.9rem;
  color: var(--green);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1024px) {
  .cards-4,
  .pipeline,
  .phases,
  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .pipeline .step::after {
    display: none;
  }

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

  .platform {
    padding: 40px 28px;
  }

  .phase:first-child,
  .phase:last-child {
    border-radius: 0;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .nav.is-open .nav-links {
    display: flex;
  }

  .cards-3,
  .cards-2,
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .cards-4,
  .pipeline,
  .phases,
  .stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 24px;
  }

  .phase:first-child {
    border-radius: 22px 22px 0 0;
  }

  .phase:last-child {
    border-radius: 0 0 22px 22px;
  }
}

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

  .hero-visual img,
  [data-reveal] {
    animation: none;
    opacity: 1;
    transform: none;
  }
}