@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Righteous&display=swap");

:root {
  --elentero-primary: #021d44;
  --elentero-primary-dark: #01224b;
  --elentero-cyan: #00b8ef;
  --elentero-teal: #00dcaf;
  --elentero-white: #ffffff;
  --elentero-background: #f5f8fc;
  --elentero-text: #142033;
  --elentero-muted: #667085;
  --elentero-border: #dce5ef;
  --gradient: linear-gradient(135deg, var(--elentero-cyan), var(--elentero-teal));
  --shadow-sm: 0 10px 30px rgba(2, 29, 68, 0.08);
  --shadow-lg: 0 28px 80px rgba(2, 29, 68, 0.14);
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 36px;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; overflow-x: hidden; color: var(--elentero-text); background: var(--elentero-white); font: 400 1rem/1.7 Inter, sans-serif; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--elentero-primary); line-height: 1.12; letter-spacing: -0.035em; }
h1, h2 { font-family: Righteous, Inter, sans-serif; font-weight: 400; }
h1 { margin-bottom: 28px; font-size: clamp(2.8rem, 6.2vw, 5.7rem); }
h2 { margin-bottom: 20px; font-size: clamp(2rem, 3.6vw, 3.45rem); }
h3 { margin-bottom: 12px; font-size: 1.28rem; }
p { margin-bottom: 20px; color: var(--elentero-muted); }
ul, ol { margin-top: 0; }
:focus-visible { outline: 3px solid var(--elentero-cyan); outline-offset: 4px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }
.section-soft { background: var(--elentero-background); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; clip: rect(0,0,0,0); overflow: hidden; white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 9999; top: 12px; left: 12px; padding: 12px 18px; color: white; background: var(--elentero-primary); border-radius: 10px; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.icon { width: 1.35em; height: 1.35em; flex: 0 0 auto; }

/* Header and navigation */
.site-header { position: sticky; z-index: 1000; top: 0; height: 100px; border-bottom: 1px solid transparent; background: rgba(255,255,255,.92); backdrop-filter: blur(16px); transition: height .25s, box-shadow .25s, border-color .25s; }
.site-header.is-scrolled { height: 82px; border-color: var(--elentero-border); box-shadow: 0 8px 30px rgba(2,29,68,.06); }
.header-inner { display: flex; height: 100%; align-items: center; justify-content: space-between; gap: 32px; }
.brand img { width: clamp(190px, 19vw, 250px); height: auto; }
.primary-nav { display: flex; align-items: center; gap: 18px; }
.primary-nav > ul { display: flex; align-items: center; gap: 6px; padding: 0; margin: 0; list-style: none; }
.primary-nav > ul > li > a { display: flex; min-height: 48px; align-items: center; gap: 5px; padding: 10px 12px; border-radius: 10px; color: #31405a; font-size: .93rem; font-weight: 600; white-space: nowrap; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--elentero-primary); background: var(--elentero-background); }
.has-submenu { position: relative; }
.mega-menu { position: absolute; top: calc(100% + 12px); left: -190px; display: grid; width: 650px; grid-template-columns: 1fr 1fr; gap: 8px; padding: 18px; visibility: hidden; opacity: 0; border: 1px solid var(--elentero-border); border-radius: 22px; background: white; box-shadow: var(--shadow-lg); transform: translateY(8px); transition: .2s; }
.has-submenu:hover .mega-menu, .has-submenu:focus-within .mega-menu { visibility: visible; opacity: 1; transform: none; }
.mega-menu > a { display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: center; padding: 12px; border-radius: 14px; }
.mega-menu > a:hover { background: var(--elentero-background); }
.mega-menu > a > span:first-child { display: grid; width: 42px; height: 42px; place-items: center; color: var(--elentero-primary); border: 1px solid var(--elentero-border); border-radius: 12px; }
.mega-menu b, .mega-menu small { display: block; }
.mega-menu b { color: var(--elentero-primary); font-size: .93rem; }
.mega-menu small { color: var(--elentero-muted); font-size: .75rem; }
.menu-toggle { display: none; width: 48px; height: 48px; padding: 12px; border: 0; border-radius: 12px; background: var(--elentero-background); cursor: pointer; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--elentero-primary); transition: .2s; }
.theme-switcher { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--elentero-border); border-radius: 12px; background: var(--elentero-background); }
.theme-switcher button { display: inline-flex; min-width: 38px; min-height: 36px; align-items: center; justify-content: center; gap: 6px; padding: 7px 9px; color: #52637a; border: 0; border-radius: 9px; background: transparent; cursor: pointer; font-size: .75rem; font-weight: 700; }
.theme-switcher button .icon { width: 16px; height: 16px; }
.theme-switcher button[aria-pressed="true"] { color: white; background: var(--elentero-primary); box-shadow: 0 4px 12px rgba(2,29,68,.16); }
.theme-switcher button span { display: none; }

/* Buttons and shared text */
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 10px; padding: 13px 22px; color: white; border: 1px solid var(--elentero-primary); border-radius: 13px; background: var(--elentero-primary); box-shadow: 0 8px 20px rgba(2,29,68,.13); font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { background: #063368; box-shadow: 0 12px 28px rgba(2,29,68,.2); transform: translateY(-2px); }
.button-small { min-height: 44px; padding: 10px 17px; font-size: .9rem; }
.button-ghost { color: var(--elentero-primary); border-color: var(--elentero-border); background: transparent; box-shadow: none; }
.button-ghost:hover { color: var(--elentero-primary); border-color: #b9c9dc; background: white; }
.button-light { color: var(--elentero-primary); border-color: white; background: white; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--elentero-primary); font-weight: 700; }
.text-link .icon { width: 18px; transition: transform .2s; }
.text-link:hover .icon { transform: translateX(4px); }
.muted-link { color: var(--elentero-muted); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: #37506f; font-size: .76rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 3px; border-radius: 9px; background: var(--gradient); }
.large-copy, .hero-lead { font-size: clamp(1.08rem, 1.5vw, 1.28rem); }
.card-kicker { margin-bottom: 8px; color: #526986; font-size: .76rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.pill { display: inline-flex; width: fit-content; padding: 6px 10px; color: var(--elentero-primary); border: 1px solid #cce6ed; border-radius: 999px; background: #edfbfc; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }

/* Homepage hero */
.hero { position: relative; min-height: 700px; padding: 86px 0 105px; overflow: hidden; background: radial-gradient(circle at 80% 20%, rgba(0,184,239,.12), transparent 24%), radial-gradient(circle at 95% 80%, rgba(0,220,175,.1), transparent 26%), linear-gradient(180deg,#fff 0%,#f9fbfe 100%); }
.hero::before { position: absolute; width: 500px; height: 500px; right: -300px; top: 80px; content: ""; border: 1px solid rgba(0,184,239,.2); border-radius: 50%; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 75px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 em { display: block; color: transparent; background: var(--gradient); background-clip: text; -webkit-background-clip: text; font-style: normal; }
.hero-lead { max-width: 710px; margin-bottom: 30px; }
.hero-note { margin: 28px 0 0; color: #526986; font-size: .88rem; font-weight: 600; }
.hero-visual { position: relative; min-height: 500px; isolation: isolate; }
.hero-visual::before { position: absolute; inset: 55px; content: ""; border: 1px solid rgba(0,184,239,.25); border-radius: 50%; box-shadow: 0 0 0 45px rgba(0,184,239,.025),0 0 0 90px rgba(0,220,175,.025); }
.connector-lines { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; }
.connector-lines path { fill: none; stroke: url(#none); stroke: rgba(0,184,239,.4); stroke-width: 1.5; stroke-dasharray: 5 7; }
.system-card { position: absolute; display: flex; align-items: center; gap: 10px; padding: 15px 17px; border: 1px solid rgba(205,220,235,.9); border-radius: 16px; background: rgba(255,255,255,.94); box-shadow: var(--shadow-sm); color: var(--elentero-primary); font-size: .88rem; font-weight: 700; }
.system-card-main { z-index: 2; top: 50%; left: 50%; display: block; width: 215px; padding: 24px; transform: translate(-50%,-50%); box-shadow: var(--shadow-lg); }
.system-card-main small, .system-card-main strong { display: block; }
.system-card-main small { margin-bottom: 4px; color: var(--elentero-muted); }
.system-card-main strong { font: 400 1.45rem Righteous, sans-serif; }
.status-dot { float: right; width: 10px; height: 10px; border-radius: 50%; background: var(--elentero-teal); box-shadow: 0 0 0 5px rgba(0,220,175,.14); }
.mini-bars { display: flex; align-items: end; gap: 6px; height: 35px; margin-top: 18px; }
.mini-bars i { flex: 1; border-radius: 5px 5px 2px 2px; background: var(--gradient); }
.mini-bars i:nth-child(1) { height: 50%; }.mini-bars i:nth-child(2) { height: 100%; }.mini-bars i:nth-child(3) { height: 72%; }
.card-web { top: 7%; left: 2%; }.card-shop { top: 9%; right: 0; }.card-ai { bottom: 8%; left: 0; }.card-data { right: 0; bottom: 8%; }
.trust-strip { border-block: 1px solid var(--elentero-border); background: white; }
.trust-strip .container { display: grid; grid-template-columns: repeat(3,1fr); }
.trust-strip .container > div { display: flex; align-items: center; gap: 16px; min-height: 92px; padding: 20px 28px; border-right: 1px solid var(--elentero-border); }
.trust-strip .container > div:first-child { border-left: 1px solid var(--elentero-border); }
.trust-strip span { color: #57708e; font: 400 .76rem Righteous, sans-serif; }

/* Layouts and cards */
.section-heading { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(280px,.7fr); gap: 60px; align-items: end; margin-bottom: 48px; }
.section-heading h2 { max-width: 760px; margin-bottom: 0; }
.section-heading > p { margin-bottom: 4px; }
.section-heading.compact { display: block; }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.service-card { display: flex; min-height: 365px; flex-direction: column; padding: 30px; border: 1px solid var(--elentero-border); border-radius: var(--radius); background: white; transition: transform .25s, box-shadow .25s, border-color .25s; }
.service-card:hover { border-color: #bbd6e3; box-shadow: var(--shadow-sm); transform: translateY(-5px); }
.service-icon { display: grid; width: 54px; height: 54px; place-items: center; margin-bottom: 40px; color: var(--elentero-primary); border-radius: 16px; background: linear-gradient(135deg,rgba(0,184,239,.15),rgba(0,220,175,.16)); }
.service-icon .icon { width: 26px; height: 26px; }
.service-card p { font-size: .94rem; }
.service-card .text-link { margin-top: auto; padding-top: 14px; }
.wide-card { display: flex; min-height: auto; flex-direction: row; align-items: center; justify-content: space-between; gap: 35px; margin-top: 20px; }
.wide-card > div { max-width: 730px; }
.wide-card > div > .icon { float: left; width: 45px; height: 45px; margin: 5px 22px 38px 0; }
.service-detail-list { border-top: 1px solid var(--elentero-border); }
.service-detail-row { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; padding: 55px 0; border-bottom: 1px solid var(--elentero-border); }
.service-detail-row h2 { font-size: clamp(1.7rem, 2.5vw, 2.5rem); }
.service-detail-row dl { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 0; }
.service-detail-row dt { margin-bottom: 5px; color: var(--elentero-primary); font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.service-detail-row dd { margin: 0; color: var(--elentero-muted); }
.split-grid { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 90px; }
.align-center { align-items: center; }
.sticky-copy { position: sticky; top: 130px; align-self: start; }
.problem-list article { display: grid; grid-template-columns: 50px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--elentero-border); }
.problem-list article:first-child { padding-top: 0; }
.problem-list span, .value-grid span { color: #58708d; font: .82rem Righteous, sans-serif; }
.problem-list p { margin-bottom: 0; }
.before-after { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: center; }
.before-after article { min-height: 390px; padding: 45px; border: 1px solid var(--elentero-border); border-radius: var(--radius-lg); background: white; }
.before-after .before { background: #f8fafc; }
.before-after .after { border-color: transparent; box-shadow: var(--shadow-lg); }
.before-after h3 { font: 400 2rem Righteous, sans-serif; }
.transform-mark { display: grid; position: relative; z-index: 2; width: 70px; height: 70px; place-items: center; margin-inline: auto; color: white; border: 8px solid white; border-radius: 50%; background: var(--elentero-primary); font-size: 1.5rem; }
.feature-list { padding: 0; list-style: none; }
.feature-list li { position: relative; padding: 11px 0 11px 30px; border-bottom: 1px solid var(--elentero-border); }
.feature-list li::before { position: absolute; top: 13px; left: 2px; content: "✓"; color: #007e68; font-weight: 800; }
.feature-list.negative li::before { content: "—"; color: #8a5a5a; }
.ai-panel { color: white; background: var(--elentero-primary); }
.ai-panel h2, .ai-panel p, .ai-panel .eyebrow { color: white; }
.ai-panel .eyebrow { opacity: .72; }
.ai-visual { position: relative; min-height: 460px; }
.ai-visual::before { position: absolute; inset: 50px 80px; content: ""; border: 1px solid rgba(0,184,239,.3); border-radius: 50%; box-shadow: 0 0 0 45px rgba(0,184,239,.035); }
.ai-core { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: 190px; height: 190px; place-items: center; align-content: center; color: var(--elentero-primary); border-radius: 50%; background: white; box-shadow: 0 25px 70px rgba(0,0,0,.25); transform: translate(-50%,-50%); }
.ai-core .icon { width: 30px; color: #00896f; }.ai-core strong { font: 400 3rem Righteous, sans-serif; }.ai-core span { color: var(--elentero-muted); font-size: .72rem; }
.ai-chip { position: absolute; z-index: 3; padding: 11px 16px; color: white; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; background: rgba(255,255,255,.09); font-size: .78rem; font-weight: 700; }
.chip-a { top: 18%; left: 2%; }.chip-b { top: 20%; right: 0; }.chip-c { right: 9%; bottom: 12%; }
.check-list { padding: 0; margin: 28px 0 35px; list-style: none; }
.check-list li { display: flex; align-items: center; gap: 11px; margin: 11px 0; color: white; }
.check-list .icon { color: var(--elentero-teal); }
.check-list.dark li { color: var(--elentero-text); }
.process-list { display: grid; grid-template-columns: repeat(5,1fr); padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--elentero-border); }
.process-step { position: relative; padding: 32px 24px 0 0; }
.process-step::before { position: absolute; top: -6px; left: 0; width: 11px; height: 11px; content: ""; border-radius: 50%; background: var(--elentero-cyan); box-shadow: 0 0 0 5px white; }
.process-step span { color: #4c6685; font: .8rem Righteous, sans-serif; }
.process-step h3 { margin-top: 18px; font-size: 1.05rem; }
.process-step p { font-size: .88rem; }
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.case-grid.large { grid-template-columns: repeat(3,1fr); gap: 28px 20px; }
.case-card { display: flex; flex-direction: column; padding: 18px 18px 26px; border: 1px solid var(--elentero-border); border-radius: var(--radius); background: white; }
.case-card > .pill { position: absolute; margin: 15px; }
.case-art { display: grid; min-height: 220px; place-items: center; margin-bottom: 24px; overflow: hidden; border-radius: 17px; background: #eaf2f9; }
.case-art::before { width: 52%; height: 48%; content: ""; border: 1px solid rgba(255,255,255,.65); border-radius: 24px; background: rgba(255,255,255,.2); box-shadow: 28px 28px 0 rgba(255,255,255,.12); transform: rotate(-8deg); }
.case-art b { position: absolute; color: white; font: 400 1.4rem Righteous, sans-serif; }
.case-art-one, .case-art-1 { background: linear-gradient(135deg,#021d44,#00b8ef); }.case-art-two, .case-art-2 { background: linear-gradient(135deg,#053058,#00dcaf); }.case-art-three, .case-art-3 { background: linear-gradient(135deg,#8ca3bd,#021d44); }
.case-card h2, .case-card h3 { font-size: 1.25rem; }
.case-card .text-link { margin-top: auto; font-size: .85rem; }
.cta-band { display: flex; min-height: 300px; align-items: center; justify-content: space-between; gap: 50px; padding: 55px 60px; overflow: hidden; border-radius: var(--radius-lg); background: radial-gradient(circle at 90% 20%,rgba(0,220,175,.23),transparent 28%),var(--elentero-primary); }
.cta-band h2, .cta-band p, .cta-band .eyebrow { color: white; }
.cta-band h2 { max-width: 770px; }
.cta-band p { max-width: 690px; margin-bottom: 0; opacity: .78; }

/* Inner pages */
.page-hero { padding: 44px 0 92px; border-bottom: 1px solid var(--elentero-border); background: radial-gradient(circle at 90% 15%,rgba(0,220,175,.12),transparent 24%),linear-gradient(180deg,#fff,#f7fafc); }
.breadcrumbs { display: flex; gap: 10px; margin-bottom: 58px; color: var(--elentero-muted); font-size: .82rem; }
.breadcrumbs a:hover { color: var(--elentero-primary); }
.page-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; }
.page-hero h1 { max-width: 820px; margin-bottom: 0; font-size: clamp(2.65rem,5vw,5rem); }
.page-hero .hero-lead { margin-bottom: 5px; }
.number-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.number-card { min-height: 275px; padding: 30px; border: 1px solid var(--elentero-border); border-radius: var(--radius); }
.number-card > span { display: block; margin-bottom: 55px; color: #57708d; font: .85rem Righteous, sans-serif; }
.solution-list { border-top: 1px solid var(--elentero-border); }
.solution-row { display: grid; grid-template-columns: 52px 1fr; gap: 22px; padding: 28px 0; border-bottom: 1px solid var(--elentero-border); }
.solution-row > div:first-child { display: grid; width: 48px; height: 48px; place-items: center; color: #007e68; border-radius: 14px; background: rgba(0,220,175,.12); }
.solution-row p { margin-bottom: 0; }
.benefit-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; padding: 60px; border-radius: var(--radius-lg); background: var(--elentero-background); }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.faq-item { border-bottom: 1px solid var(--elentero-border); }
.faq-item:first-child { border-top: 1px solid var(--elentero-border); }
.faq-item summary { display: flex; min-height: 80px; align-items: center; justify-content: space-between; gap: 20px; color: var(--elentero-primary); cursor: pointer; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { display: grid; width: 32px; height: 32px; flex: 0 0 auto; place-items: center; border: 1px solid var(--elentero-border); border-radius: 50%; transition: transform .2s; }
.faq-item[open] summary span { transform: rotate(45deg); }
.faq-item > div { padding: 0 45px 24px 0; }
.feature-panel { padding: 40px; border: 1px solid var(--elentero-border); border-radius: var(--radius); background: white; }
.story-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
.story-mark { display: grid; min-height: 500px; place-items: center; align-content: center; border-radius: var(--radius-lg); background: radial-gradient(circle,rgba(0,184,239,.15),transparent 60%),var(--elentero-background); }
.story-mark img { width: min(65%,340px); }
.story-mark span { color: #55708d; font-size: .72rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.value-grid article { padding: 35px; border-radius: var(--radius); background: white; }
.value-grid span { display: block; margin-bottom: 50px; }
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mission-grid article { padding: 45px; border: 1px solid var(--elentero-border); border-radius: var(--radius); }
.mission-grid article:nth-child(2) { color: white; border-color: var(--elentero-primary); background: var(--elentero-primary); }
.mission-grid article:nth-child(2) h2, .mission-grid article:nth-child(2) p { color: white; }
.workflow-list { border-top: 1px solid var(--elentero-border); }
.workflow-step { display: grid; grid-template-columns: 100px 1fr .8fr; gap: 45px; padding: 55px 0; border-bottom: 1px solid var(--elentero-border); }
.workflow-number { color: #55708d; font: 400 1.4rem Righteous, sans-serif; }
.workflow-step h2 { font-size: 2rem; }
.workflow-step > ul { padding: 0; list-style: none; }
.workflow-step > ul li { display: flex; gap: 8px; margin: 9px 0; color: var(--elentero-muted); }
.workflow-step > ul .icon { color: #00896f; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 35px; }
.filter-bar button { min-height: 44px; padding: 8px 15px; border: 1px solid var(--elentero-border); border-radius: 999px; background: white; cursor: pointer; }
.filter-bar button:hover, .filter-bar button.active { color: white; border-color: var(--elentero-primary); background: var(--elentero-primary); }
.case-card[hidden] { display: none; }
.post-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.post-card { display: flex; min-height: 300px; flex-direction: column; padding: 35px; border: 1px solid var(--elentero-border); border-radius: var(--radius); }
.post-card .text-link { margin-top: auto; }
.post-meta { display: flex; justify-content: space-between; margin-bottom: 50px; color: #57708d; font-size: .72rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.contact-aside { display: flex; flex-direction: column; gap: 35px; }
.contact-method { display: flex; gap: 14px; align-items: center; padding: 20px 0; border-block: 1px solid var(--elentero-border); }
.contact-method > span { display: grid; width: 48px; height: 48px; place-items: center; color: white; border-radius: 14px; background: var(--elentero-primary); }
.contact-method small, .contact-method a { display: block; }
.contact-method small { color: var(--elentero-muted); }.contact-method a { color: var(--elentero-primary); font-weight: 700; }
.expect-card { padding: 28px; border-radius: var(--radius); background: var(--elentero-background); }
.expect-card ol { padding-left: 20px; margin-bottom: 0; color: var(--elentero-muted); }
.contact-form { position: relative; z-index: 2; min-width: 0; padding: 42px; isolation: isolate; border: 1px solid var(--elentero-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { min-width: 0; }
.contact-form label { display: block; margin-bottom: 7px; color: var(--elentero-primary); font-size: .88rem; font-weight: 700; touch-action: manipulation; }
.contact-form label > span { color: #b24646; }
.contact-form input, .contact-form select, .contact-form textarea { position: relative; z-index: 1; display: block; width: 100%; min-height: 50px; margin: 0 0 18px; padding: 11px 13px; color: var(--elentero-text); border: 1px solid #bdcada; border-radius: 11px; background: white; font-size: 16px; font-weight: 400; pointer-events: auto; touch-action: manipulation; -webkit-user-select: text; user-select: text; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--elentero-cyan); outline: 3px solid rgba(0,184,239,.15); }
.contact-form .checkbox { display: grid; grid-template-columns: 24px 1fr; gap: 11px; align-items: start; margin-bottom: 18px; color: var(--elentero-muted); font-weight: 400; }
.contact-form .checkbox input { width: 22px; height: 22px; min-height: 22px; margin: 2px 0 0; }
.contact-form .checkbox label { margin: 0; color: var(--elentero-muted); font-weight: 400; line-height: 1.55; cursor: pointer; }
.contact-form .checkbox a { position: relative; z-index: 2; display: inline; color: var(--elentero-primary); text-decoration: underline; touch-action: manipulation; }
.form-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; pointer-events: none !important; }
.form-error { padding: 12px; color: #8b2525; border-radius: 10px; background: #fff0f0; }
.form-success { padding: 18px; margin-bottom: 18px; border-radius: 12px; background: #e9fbf5; }
.form-success p { margin: 4px 0 0; color: #285b50; }
.form-note { margin: 12px 0 0; font-size: .75rem; }
.legal-wrap { display: grid; grid-template-columns: 240px 1fr; gap: 80px; }
.legal-nav { position: sticky; top: 130px; align-self: start; padding: 24px; border: 1px solid var(--elentero-border); border-radius: 16px; background: var(--elentero-background); }
.legal-nav strong, .legal-nav a { display: block; }.legal-nav strong { margin-bottom: 12px; }.legal-nav a { padding: 6px 0; color: var(--elentero-muted); font-size: .85rem; }
.legal-content article { padding: 0 0 30px; margin-bottom: 35px; border-bottom: 1px solid var(--elentero-border); }
.legal-content h2 { font: 700 1.35rem Inter,sans-serif; letter-spacing: -.02em; }
.not-found { display: grid; min-height: 70vh; place-items: center; padding: 70px 20px; text-align: center; background: radial-gradient(circle,rgba(0,184,239,.13),transparent 32%); }
.not-found img { margin-inline: auto; }
.error-code { color: transparent; background: var(--gradient); background-clip: text; font: 400 clamp(7rem,20vw,14rem)/.9 Righteous,sans-serif; }
.not-found p { max-width: 580px; margin-inline: auto; }
.not-found .button-row { justify-content: center; }

/* Footer and utility controls */
.site-footer { padding: 78px 0 25px; color: white; background: #011633; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 55px; padding-bottom: 60px; }
.site-footer h2 { color: white; font: 700 .8rem Inter,sans-serif; letter-spacing: .1em; text-transform: uppercase; }
.site-footer p, .site-footer a { color: #aebdd0; }
.site-footer a:hover { color: white; }
.footer-brand img { width: 230px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 330px; margin: 25px 0; }
.footer-mail { font-weight: 700; }
.site-footer ul { padding: 0; list-style: none; }
.site-footer li { margin: 9px 0; font-size: .9rem; }
.company-placeholder { margin-top: 24px; font-size: .76rem; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.12); }
.footer-bottom p { margin: 0; font-size: .78rem; }
.back-to-top { position: fixed; z-index: 800; right: 24px; bottom: 24px; display: grid; width: 48px; height: 48px; visibility: hidden; opacity: 0; place-items: center; color: white; border: 0; border-radius: 50%; background: var(--elentero-primary); box-shadow: var(--shadow-sm); cursor: pointer; transform: translateY(10px); transition: .2s; }
.back-to-top.visible { visibility: visible; opacity: 1; transform: none; }
.cookie-banner { position: fixed; z-index: 1200; right: 20px; bottom: 20px; left: 20px; display: flex; max-width: 900px; align-items: center; justify-content: space-between; gap: 30px; padding: 22px 24px; margin-inline: auto; color: white; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: #011633; box-shadow: 0 24px 80px rgba(0,0,0,.25); }
.cookie-banner[hidden] { display: none; }.cookie-banner strong { display: block; margin-bottom: 4px; }.cookie-banner p { margin: 0; color: #b8c5d5; font-size: .85rem; }.cookie-actions { display: flex; flex: 0 0 auto; gap: 8px; }.cookie-banner .button-ghost { color: white; border-color: rgba(255,255,255,.28); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* User-selectable dark colour scheme */
html[data-theme="dark"] { background: #071426; }
/*
 * Re-scope the semantic content colours in dark mode. Components such as the
 * service benefit lists, definitions and workflow items use these variables
 * directly, so they remain readable even when editors add new page content.
 */
html[data-theme="dark"] main {
  --elentero-white: #071426;
  --elentero-background: #0a192b;
  --elentero-text: #e7eef7;
  --elentero-muted: #b6c4d3;
  --elentero-border: #2a3d53;
}
html[data-theme="dark"] body { color: #e7eef7; background: #071426; }
html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3 { color: #f4f8fc; }
html[data-theme="dark"] p { color: #a9b8c9; }
html[data-theme="dark"] :focus-visible { outline-color: var(--elentero-teal); }
html[data-theme="dark"] .site-header { border-bottom-color: rgba(255,255,255,.08); background: rgba(7,20,38,.93); }
html[data-theme="dark"] .site-header.is-scrolled { box-shadow: 0 8px 30px rgba(0,0,0,.28); }
html[data-theme="dark"] .brand img { filter: brightness(0) invert(1); }
html[data-theme="dark"] .primary-nav > ul > li > a { color: #c4cfdd; }
html[data-theme="dark"] .primary-nav a:hover,
html[data-theme="dark"] .primary-nav a[aria-current="page"] { color: white; background: #10223a; }
html[data-theme="dark"] .mega-menu,
html[data-theme="dark"] .primary-nav { border-color: #23364c; background: #0b1b2f; box-shadow: 0 28px 80px rgba(0,0,0,.4); }
html[data-theme="dark"] .mega-menu > a:hover { background: #122740; }
html[data-theme="dark"] .mega-menu > a > span:first-child { color: var(--elentero-cyan); border-color: #2a415b; }
html[data-theme="dark"] .mega-menu b { color: #f3f8fd; }
html[data-theme="dark"] .mega-menu small { color: #9eb0c3; }
html[data-theme="dark"] .menu-toggle,
html[data-theme="dark"] .theme-switcher { border-color: #263b53; background: #102238; }
html[data-theme="dark"] .menu-toggle > span:not(.sr-only) { background: white; }
html[data-theme="dark"] .theme-switcher button { color: #b9c8d8; }
html[data-theme="dark"] .theme-switcher button[aria-pressed="true"] { color: #03203a; background: var(--elentero-teal); }
html[data-theme="dark"] .button { color: #031b32; border-color: var(--elentero-cyan); background: linear-gradient(135deg,var(--elentero-cyan),var(--elentero-teal)); }
html[data-theme="dark"] .button:hover { color: #021629; background: linear-gradient(135deg,#34c9f5,#32e4c0); }
html[data-theme="dark"] .button-ghost { color: #e8f3fa; border-color: #34506c; background: transparent; }
html[data-theme="dark"] .button-ghost:hover { color: white; border-color: #527391; background: #10243b; }
html[data-theme="dark"] .button-light { color: var(--elentero-primary); border-color: white; background: white; }
html[data-theme="dark"] .text-link { color: #55d4f6; }
html[data-theme="dark"] .eyebrow,
html[data-theme="dark"] .card-kicker { color: #9eb5ca; }
html[data-theme="dark"] .hero,
html[data-theme="dark"] .page-hero { background: radial-gradient(circle at 82% 18%,rgba(0,184,239,.13),transparent 26%),radial-gradient(circle at 95% 80%,rgba(0,220,175,.09),transparent 28%),linear-gradient(180deg,#071426,#09192b); border-color: #203248; }
html[data-theme="dark"] .system-card,
html[data-theme="dark"] .service-card,
html[data-theme="dark"] .case-card,
html[data-theme="dark"] .number-card,
html[data-theme="dark"] .feature-panel,
html[data-theme="dark"] .value-grid article,
html[data-theme="dark"] .post-card,
html[data-theme="dark"] .contact-form { color: #edf5fb; border-color: #22384f; background: #0d1e32; box-shadow: 0 15px 45px rgba(0,0,0,.18); }
html[data-theme="dark"] .system-card { color: #f2f8fc; }
html[data-theme="dark"] .system-card-main small { color: #a7b7c9; }
html[data-theme="dark"] .ai-core { color: #021d44; }
html[data-theme="dark"] .ai-core span { color: #667085; }
html[data-theme="dark"] .section-soft,
html[data-theme="dark"] .expect-card,
html[data-theme="dark"] .benefit-panel,
html[data-theme="dark"] .legal-nav { background: #0a192b; }
html[data-theme="dark"] .trust-strip { border-color: #203249; background: #08172a; }
html[data-theme="dark"] .trust-strip .container > div,
html[data-theme="dark"] .trust-strip .container > div:first-child,
html[data-theme="dark"] .problem-list article,
html[data-theme="dark"] .process-list,
html[data-theme="dark"] .solution-list,
html[data-theme="dark"] .solution-row,
html[data-theme="dark"] .faq-item,
html[data-theme="dark"] .workflow-list,
html[data-theme="dark"] .workflow-step,
html[data-theme="dark"] .service-detail-list,
html[data-theme="dark"] .service-detail-row,
html[data-theme="dark"] .legal-content article { border-color: #23374d; }
html[data-theme="dark"] .before-after article,
html[data-theme="dark"] .mission-grid article { border-color: #23384f; background: #0d1e32; }
html[data-theme="dark"] .before-after .before { background: #0a192b; }
html[data-theme="dark"] .transform-mark { border-color: #071426; background: var(--elentero-teal); color: #03182c; }
html[data-theme="dark"] .feature-list li { border-color: #253a50; }
html[data-theme="dark"] .feature-list li::before,
html[data-theme="dark"] .workflow-step > ul .icon,
html[data-theme="dark"] .check-list .icon { color: var(--elentero-teal); }
html[data-theme="dark"] .process-step::before { box-shadow: 0 0 0 5px #071426; }
html[data-theme="dark"] .faq-item summary,
html[data-theme="dark"] .contact-form label,
html[data-theme="dark"] .contact-method a,
html[data-theme="dark"] .service-detail-row dt { color: #eff6fc; }
html[data-theme="dark"] .check-list.dark li,
html[data-theme="dark"] .workflow-step > ul li,
html[data-theme="dark"] .service-detail-row dd,
html[data-theme="dark"] .expect-card ol,
html[data-theme="dark"] .legal-nav a { color: #c7d4e1; }
html[data-theme="dark"] .faq-item summary span { border-color: #304860; }
html[data-theme="dark"] .story-mark { background: radial-gradient(circle,rgba(0,184,239,.13),transparent 60%),#0a192b; }
html[data-theme="dark"] .mission-grid article:nth-child(2),
html[data-theme="dark"] .ai-panel,
html[data-theme="dark"] .cta-band { background-color: #031127; }
html[data-theme="dark"] .filter-bar button { color: #c7d4e1; border-color: #2a4058; background: #0c1d31; }
html[data-theme="dark"] .filter-bar button:hover,
html[data-theme="dark"] .filter-bar button.active { color: #03182c; border-color: var(--elentero-teal); background: var(--elentero-teal); }
html[data-theme="dark"] .contact-form input,
html[data-theme="dark"] .contact-form select,
html[data-theme="dark"] .contact-form textarea { color: #edf5fb; border-color: #334b63; background: #071528; }
html[data-theme="dark"] .contact-form input::placeholder,
html[data-theme="dark"] .contact-form textarea::placeholder { color: #7f93a8; }
html[data-theme="dark"] .contact-method { border-color: #263a50; }
html[data-theme="dark"] .form-success { background: #0c342d; }
html[data-theme="dark"] .form-success p { color: #b6e8dc; }
html[data-theme="dark"] .form-error { color: #ffd4d4; background: #3b1720; }
html[data-theme="dark"] .case-art { background: #13273e; }
html[data-theme="dark"] .pill { color: #c9f8ee; border-color: #24574f; background: #10332f; }
html[data-theme="dark"] .error-page,
html[data-theme="dark"] .not-found { background: radial-gradient(circle,rgba(0,184,239,.12),transparent 34%); }
html[data-theme="dark"] .back-to-top { color: #03182c; background: var(--elentero-teal); }

@media (max-width: 1040px) {
  .menu-toggle { display: block; }
  .primary-nav { position: fixed; top: 82px; right: 18px; left: 18px; display: block; max-height: calc(100vh - 100px); padding: 20px; visibility: hidden; opacity: 0; overflow-y: auto; border: 1px solid var(--elentero-border); border-radius: 20px; background: white; box-shadow: var(--shadow-lg); transform: translateY(-8px); transition: .2s; }
  .primary-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .primary-nav:not(.is-open) { pointer-events: none; }
  .primary-nav.is-open { pointer-events: auto; }
  .primary-nav > ul { display: block; }
  .primary-nav > ul > li > a { justify-content: space-between; }
  .primary-nav > .button { width: 100%; margin-top: 12px; }
  .primary-nav > .theme-switcher { width: 100%; margin-top: 12px; }
  .theme-switcher button { flex: 1; }
  .theme-switcher button span { display: inline; }
  .mega-menu { position: static; display: grid; width: auto; grid-template-columns: 1fr 1fr; padding: 8px 0 14px; visibility: visible; opacity: 1; border: 0; box-shadow: none; transform: none; }
  .hero-grid { gap: 25px; }.hero-visual { min-height: 460px; }
  .service-grid, .case-grid, .case-grid.large { grid-template-columns: repeat(2,1fr); }
  .process-list { grid-template-columns: repeat(3,1fr); row-gap: 40px; }
  .split-grid, .contact-grid { gap: 55px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }.footer-grid > div:last-child { grid-column: 2; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 76px 0; }
  .site-header, .site-header.is-scrolled { height: 76px; }.primary-nav { top: 76px; }.brand img { width: 188px; }
  .mega-menu { grid-template-columns: 1fr; }.mega-menu > a { padding: 8px; }
  .hero { min-height: auto; padding: 56px 0 75px; }.hero-grid { grid-template-columns: 1fr; }.hero-visual { min-height: 405px; }.hero h1 em { display: inline; }
  .card-web { left: 0 }.card-shop { right: 0 }.card-ai { left: 0 }.card-data { right: 0 }.system-card-main { width: 190px; }
  .trust-strip .container { grid-template-columns: 1fr; }.trust-strip .container > div, .trust-strip .container > div:first-child { min-height: 72px; border-right: 1px solid var(--elentero-border); border-bottom: 1px solid var(--elentero-border); border-left: 1px solid var(--elentero-border); }
  .section-heading, .page-hero-grid, .split-grid, .benefit-panel, .faq-layout, .story-grid, .mission-grid, .contact-grid, .legal-wrap, .service-detail-row { grid-template-columns: 1fr; gap: 35px; }
  .service-grid, .number-grid, .value-grid, .case-grid, .case-grid.large, .post-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 330px; }.wide-card { flex-direction: column; align-items: stretch; }
  .service-detail-row dl { grid-template-columns: 1fr; }
  .sticky-copy, .legal-nav { position: static; }
  .before-after { grid-template-columns: 1fr; }.transform-mark { margin-block: -12px; transform: rotate(90deg); }.before-after article { min-height: auto; padding: 32px; }
  .ai-visual { min-height: 410px; }.ai-visual::before { inset: 55px 25px; }
  .process-list { grid-template-columns: 1fr; border-top: 0; }.process-step { padding: 15px 0 15px 38px; border-left: 1px solid var(--elentero-border); }.process-step::before { top: 20px; left: -6px; }.process-step h3 { margin-top: 5px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 38px 28px; }
  .page-hero { padding: 30px 0 64px; }.breadcrumbs { margin-bottom: 40px; }
  .benefit-panel { padding: 35px 25px; }.workflow-step { grid-template-columns: 55px 1fr; gap: 20px; }.workflow-step > ul { grid-column: 2; }
  .story-mark { min-height: 350px; }.contact-grid { position: relative; }.contact-form { width: 100%; padding: 26px 20px; }.form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 35px; }.footer-brand { grid-column: 1/-1; }.footer-grid > div:last-child { grid-column: auto; }.footer-bottom { display: block; }.footer-bottom p + p { margin-top: 5px; }
  .cookie-banner { display: block; }.cookie-actions { margin-top: 16px; }.cookie-actions .button { flex: 1; }.back-to-top { right: 14px; bottom: 14px; }
}

@media (max-width: 430px) {
  h1 { font-size: 2.65rem; }.button-row .button { width: 100%; }
  .hero-visual { min-height: 370px; }.system-card { padding: 12px; font-size: .75rem; }.system-card-main { width: 170px; }.card-web,.card-ai { left: -4px; }.card-shop,.card-data { right: -4px; }
  .footer-grid { grid-template-columns: 1fr; }.footer-grid > div:last-child { grid-column: auto; }
  .cookie-actions { display: grid; }.workflow-step { grid-template-columns: 1fr; }.workflow-step > ul { grid-column: auto; }
}

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