:root {
  --ink: #111a35;
  --muted: #647087;
  --soft: #f7f8fb;
  --line: #e5e9f0;
  --white: #fff;
  --navy: #131c3b;
  --mint: #dff4ec;
  --blue: #e8efff;
  --lilac: #eee8ff;
  --peach: #fff0e4;
  --yellow: #fff6cf;
  --shadow: 0 24px 70px rgba(43, 52, 83, .09);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font: 16px/1.6 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { display: block; max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.skip-link {
  position: fixed; z-index: 1000; top: 12px; left: 12px; transform: translateY(-160%);
  padding: 10px 16px; border-radius: 12px; color: var(--white); background: var(--navy);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky; z-index: 100; top: 0; border-bottom: 1px solid rgba(229, 233, 240, .82);
  background: rgba(255,255,255,.9); backdrop-filter: blur(18px);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 750; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark {
  display: grid; width: 34px; height: 34px; place-items: center; border-radius: 11px;
  color: var(--mint); background: var(--navy); font-size: .92rem; font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-links > a:not(.button) { position: relative; color: #4e5a71; font-size: .9rem; font-weight: 650; }
.nav-links > a:not(.button)::after {
  position: absolute; right: 0; bottom: -7px; left: 0; height: 2px; content: "";
  transform: scaleX(0); border-radius: 2px; background: var(--navy); transition: transform .18s ease;
}
.nav-links > a:not(.button):hover::after, .nav-links > a:not(.button):focus-visible::after { transform: scaleX(1); }
.menu-button {
  display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line);
  border-radius: 14px; color: var(--ink); background: var(--white); cursor: pointer;
}
.menu-button span, .menu-button::before, .menu-button::after {
  display: block; width: 18px; height: 2px; margin: 4px auto; content: ""; border-radius: 2px; background: currentColor;
}

.button {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px;
  padding: 0 21px; border: 1px solid transparent; border-radius: 14px; font-size: .94rem;
  font-weight: 720; line-height: 1; transition: transform .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .menu-button:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid rgba(75,111,210,.28); outline-offset: 3px; }
.button-primary { color: var(--white); background: var(--navy); box-shadow: 0 12px 28px rgba(19,28,59,.2); }
.button-primary:hover { box-shadow: 0 16px 36px rgba(19,28,59,.26); }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.82); }
.button-light { color: var(--navy); background: var(--white); box-shadow: 0 14px 32px rgba(19,28,59,.14); }
.arrow { font-size: 1.08em; transition: transform .18s ease; }
.button:hover .arrow { transform: translateX(3px); }

.hero {
  position: relative; overflow: hidden; padding: 88px 0 42px;
  background: radial-gradient(circle at 8% 18%, rgba(223,244,236,.9), transparent 28%), radial-gradient(circle at 92% 14%, rgba(238,232,255,.72), transparent 27%), linear-gradient(180deg,#fbfcfe,#fff);
}
.hero::before {
  position: absolute; inset: 0; pointer-events: none; content: ""; opacity: .25;
  background-image: linear-gradient(#e7eaf0 1px,transparent 1px), linear-gradient(90deg,#e7eaf0 1px,transparent 1px);
  background-size: 58px 58px; mask-image: linear-gradient(to bottom,black,transparent 70%);
}
.hero-copy { position: relative; z-index: 1; max-width: 920px; margin: 0 auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; margin: 0 0 24px; padding: 8px 13px;
  border: 1px solid rgba(19,28,59,.09); border-radius: 999px; color: #46516a;
  background: rgba(255,255,255,.72); font-size: .78rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase;
}
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: #63ba9c; box-shadow: 0 0 0 4px rgba(99,186,156,.14); }
h1,h2,h3,p { margin-top: 0; }
h1 {
  max-width: 900px; margin: 0 auto 25px; font-size: clamp(3.15rem,7vw,6.7rem);
  font-weight: 770; letter-spacing: -.065em; line-height: .98;
}
h1 .soft-word { color: #7a8397; font-weight: 620; }
.hero-lead { max-width: 740px; margin: 0 auto 34px; color: var(--muted); font-size: clamp(1.08rem,2.2vw,1.33rem); line-height: 1.65; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.capability-line { display: flex; justify-content: center; gap: 10px 24px; flex-wrap: wrap; margin-top: 28px; color: #707a8f; font-size: .88rem; font-weight: 640; }
.capability-line span { display: inline-flex; align-items: center; gap: 8px; }
.capability-line span::before { width: 5px; height: 5px; content: ""; border-radius: 50%; background: #b3bfd0; }

.lifecycle {
  position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5,1fr); gap: 10px;
  margin-top: 72px; padding: 12px; border: 1px solid rgba(216,221,232,.82); border-radius: 27px;
  background: rgba(255,255,255,.76); box-shadow: var(--shadow); backdrop-filter: blur(16px);
}
.lifecycle-step { min-height: 125px; padding: 21px; border-radius: 19px; }
.lifecycle-step:nth-child(1) { background: var(--blue); }
.lifecycle-step:nth-child(2) { background: var(--lilac); }
.lifecycle-step:nth-child(3) { background: var(--mint); }
.lifecycle-step:nth-child(4) { background: var(--peach); }
.lifecycle-step:nth-child(5) { background: var(--yellow); }
.step-number { display: block; margin-bottom: 25px; color: rgba(17,26,53,.48); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.lifecycle-step strong { display: block; font-size: 1.02rem; letter-spacing: -.02em; }
.lifecycle-step small { color: #59647a; font-size: .78rem; }

section { padding: 112px 0; }
.section-soft { background: var(--soft); }
.section-head { display: grid; grid-template-columns: .85fr 1.15fr; gap: 72px; align-items: end; margin-bottom: 54px; }
.section-label { margin-bottom: 14px; color: #68748a; font-size: .77rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h2 { margin-bottom: 0; font-size: clamp(2.35rem,4.5vw,4.45rem); font-weight: 740; letter-spacing: -.055em; line-height: 1.03; }
.section-intro { max-width: 610px; margin-bottom: 4px; color: var(--muted); font-size: 1.12rem; line-height: 1.75; }

.service-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: 16px; }
.service-card {
  grid-column: span 4; min-height: 330px; padding: 30px; border: 1px solid var(--line);
  border-radius: 24px; background: var(--white); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.service-card:hover { transform: translateY(-5px); border-color: #d7deeb; box-shadow: 0 22px 50px rgba(44,55,87,.08); }
.service-card.featured { grid-column: span 8; min-height: 360px; background: linear-gradient(145deg,#eef4ff,#f7f9ff 60%,#eefaf5); }
.design-card { background: linear-gradient(145deg,#f5f1ff,#fff); }
.analytics-card { background: linear-gradient(145deg,#eefaf5,#fff); }
.service-card.consulting-card {
  grid-column: 1 / -1;
  min-height: 0;
  display: grid;
  grid-template-columns: 120px minmax(300px,.9fr) 1.1fr;
  gap: 34px;
  align-items: center;
  background: linear-gradient(110deg,#fff 0%,#f7f4ff 48%,#eef8ff 100%);
}
.consulting-card .card-top { margin-bottom: 0; }
.consulting-card .card-icon { margin-left: auto; }
.consulting-card .consulting-copy h3 { margin-bottom: 8px; }
.consulting-card .consulting-copy p { margin-bottom: 0; }
.consulting-card .tag-list { justify-content: flex-end; margin-top: 0; }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 42px; }
.card-index { color: #738098; font-size: .74rem; font-weight: 800; letter-spacing: .1em; }
.card-icon { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid rgba(19,28,59,.08); border-radius: 14px; background: rgba(255,255,255,.78); }
.card-icon svg { width: 21px; height: 21px; stroke: var(--ink); }
.service-card h3,.mode-card h3,.product-card h3 { margin-bottom: 13px; font-size: 1.35rem; letter-spacing: -.035em; line-height: 1.2; }
.service-card p,.mode-card p,.product-card p { color: var(--muted); line-height: 1.65; }
.tag-list { display: flex; gap: 8px; flex-wrap: wrap; margin: 23px 0 0; padding: 0; list-style: none; }
.tag-list li { padding: 7px 10px; border: 1px solid rgba(19,28,59,.08); border-radius: 999px; color: #566178; background: rgba(255,255,255,.68); font-size: .75rem; font-weight: 680; }

.mvp-panel { position: relative; overflow: hidden; padding: 50px; border-radius: 32px; color: var(--white); background: var(--navy); }
.mvp-panel::after { position: absolute; top: -120px; right: -90px; width: 400px; height: 400px; content: ""; border-radius: 50%; background: radial-gradient(circle,rgba(158,218,197,.27),transparent 66%); }
.mvp-title-row { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 76px; align-items: end; margin-bottom: 46px; }
.mvp-panel .section-label,.mvp-panel .section-intro { color: #b9c1d2; }
.mvp-panel h2 { color: var(--white); }
.track-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.track-card { padding: 30px; border: 1px solid rgba(255,255,255,.13); border-radius: 22px; background: rgba(255,255,255,.07); backdrop-filter: blur(10px); }
.track-card.accent { border-color: transparent; color: var(--ink); background: var(--mint); }
.track-kicker { display: block; margin-bottom: 34px; color: #bac4d9; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.track-card.accent .track-kicker { color: #447864; }
.track-card h3 { margin-bottom: 12px; font-size: 1.55rem; letter-spacing: -.035em; }
.track-card p { margin-bottom: 22px; color: #bec6d7; }
.track-card.accent p { color: #4b675e; }
.check-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; font-size: .92rem; }
.check-list li::before { display: grid; width: 20px; height: 20px; flex: 0 0 20px; place-items: center; margin-top: 2px; content: "✓"; border-radius: 50%; color: var(--white); background: rgba(255,255,255,.14); font-size: .67rem; font-weight: 900; }
.track-card.accent .check-list li::before { background: #4b9c80; }

.process-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 32px; background: var(--line); }
.process-step { min-height: 260px; padding: 32px; background: var(--white); }
.process-number { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; margin-bottom: 45px; border-radius: 12px; color: #4d5870; background: var(--soft); font-size: .77rem; font-weight: 800; }
.process-step:nth-child(2) .process-number { background: var(--blue); }
.process-step:nth-child(3) .process-number { background: var(--lilac); }
.process-step:nth-child(4) .process-number { background: var(--mint); }
.process-step:nth-child(5) .process-number { background: var(--peach); }
.process-step:nth-child(6) .process-number { background: var(--yellow); }
.process-step h3 { margin-bottom: 10px; font-size: 1.24rem; letter-spacing: -.025em; }
.process-step p { margin-bottom: 0; color: var(--muted); }

.products-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 64px; align-items: start; }
.products-copy { position: sticky; top: 120px; }
.products-copy p { margin-top: 24px; color: var(--muted); font-size: 1.08rem; }
.product-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.product-card { min-height: 235px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); }
.product-card:nth-child(1) { background: linear-gradient(145deg,var(--blue),#fff 65%); }
.product-card:nth-child(2) { background: linear-gradient(145deg,var(--mint),#fff 65%); }
.product-card:nth-child(3) { background: linear-gradient(145deg,var(--lilac),#fff 65%); }
.product-card:nth-child(4) { background: linear-gradient(145deg,var(--peach),#fff 65%); }
.product-card:nth-child(5) { background: linear-gradient(145deg,var(--yellow),#fff 65%); }
.product-card:nth-child(6) { background: linear-gradient(145deg,#eef1f6,#fff 65%); }
.product-type { display: block; margin-bottom: 44px; color: #68748b; font-size: .73rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.mode-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.mode-card { display: flex; min-height: 310px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); }
.mode-card.recommended { border-color: #cfe8df; background: linear-gradient(145deg,#eaf8f3,#fff); }
.mode-badge { align-self: flex-start; margin-bottom: 52px; padding: 7px 10px; border-radius: 999px; color: #59657c; background: var(--soft); font-size: .71rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.recommended .mode-badge { color: #3f725f; background: #d5f0e6; }
.mode-card p { margin-bottom: 24px; }
.mode-note { margin-top: auto; color: #455169; font-size: .84rem; font-weight: 710; }
.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 48px; margin-top: 58px; }
.principle { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 25px 0; border-top: 1px solid var(--line); }
.principle-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 12px; color: #3f685a; background: var(--mint); font-size: .8rem; font-weight: 850; }
.principle h3 { margin-bottom: 7px; font-size: 1.04rem; letter-spacing: -.02em; }
.principle p { margin-bottom: 0; color: var(--muted); font-size: .94rem; }

.faq-wrap { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
.faq-copy p { margin-top: 24px; color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 25px 48px 25px 0; cursor: pointer; list-style: none; font-size: 1.05rem; font-weight: 720; letter-spacing: -.015em; }
summary::-webkit-details-marker { display: none; }
summary::after { position: absolute; top: 27px; right: 4px; width: 22px; height: 22px; content: "+"; color: #748096; font-size: 1.2rem; line-height: 1; text-align: center; transition: transform .18s ease; }
details[open] summary::after { transform: rotate(45deg); }
.faq-answer { max-width: 700px; padding: 0 44px 24px 0; color: var(--muted); }

.cta-section { padding-top: 72px; }
.cta-card { position: relative; overflow: hidden; padding: 74px 70px; border-radius: 36px; color: var(--white); background: var(--navy); }
.cta-card::before,.cta-card::after { position: absolute; content: ""; border-radius: 50%; }
.cta-card::before { top: -180px; right: 9%; width: 420px; height: 420px; background: rgba(158,218,197,.13); }
.cta-card::after { right: -70px; bottom: -160px; width: 360px; height: 360px; background: rgba(184,204,255,.12); }
.cta-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: end; }
.cta-card .section-label { color: #b8c2d7; }
.cta-side { display: flex; align-items: flex-start; flex-direction: column; gap: 19px; }
.cta-side p { margin-bottom: 0; color: #bdc5d6; }

.site-footer { padding: 38px 0 46px; }
.footer-row { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: end; }
.footer-meta { margin-top: 20px; color: #758096; font-size: .82rem; }
.footer-contact { text-align: right; }
.footer-contact a { display: inline-block; margin-bottom: 8px; font-weight: 730; }
.footer-contact address { max-width: 420px; color: #758096; font-size: .82rem; font-style: normal; line-height: 1.6; }

[data-reveal] { transform: translateY(18px); opacity: 0; transition: opacity .56s ease, transform .56s ease; }
[data-reveal].visible { transform: translateY(0); opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  [data-reveal] { transform: none; opacity: 1; }
}

@media (max-width: 980px) {
  .nav-links { position: absolute; top: 76px; right: 20px; left: 20px; display: none; align-items: stretch; flex-direction: column; gap: 6px; padding: 14px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.97); box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .nav-links > a:not(.button) { padding: 11px 10px; }
  .menu-button { display: block; }
  .lifecycle { grid-template-columns: repeat(3,1fr); }
  .section-head,.mvp-title-row,.products-layout,.faq-wrap,.cta-inner { grid-template-columns: 1fr; gap: 28px; }
  .service-card,.service-card.featured { grid-column: span 6; }
  .service-card.consulting-card { grid-column: 1/-1; grid-template-columns: 90px 1fr 1fr; gap: 24px; }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .products-copy { position: static; }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card { min-height: auto; }
  .mode-badge { margin-bottom: 32px; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px),var(--container)); }
  .nav { min-height: 68px; }
  .nav-links { top: 68px; right: 14px; left: 14px; }
  .hero { padding-top: 64px; }
  h1 { font-size: clamp(2.85rem,14vw,4.45rem); }
  section { padding: 82px 0; }
  .lifecycle { grid-template-columns: 1fr; margin-top: 52px; }
  .lifecycle-step { min-height: 108px; }
  .step-number { margin-bottom: 15px; }
  .service-card,.service-card.featured { grid-column: 1/-1; min-height: auto; }
  .service-card.consulting-card { display: block; }
  .consulting-card .card-top { margin-bottom: 36px; }
  .consulting-card .card-icon { margin-left: 0; }
  .consulting-card .tag-list { justify-content: flex-start; margin-top: 23px; }
  .mvp-panel { padding: 32px 22px; border-radius: 26px; }
  .track-grid,.process-grid,.product-list,.principles { grid-template-columns: 1fr; }
  .process-step { min-height: 230px; }
  .product-card { min-height: 210px; }
  .cta-card { padding: 50px 25px; border-radius: 28px; }
  .footer-row { grid-template-columns: 1fr; }
  .footer-contact { text-align: left; }
}