:root {
  color-scheme: light;
  --ink: #17283f;
  --muted: #62728a;
  --blue: #1769d2;
  --blue-dark: #1056b5;
  --navy: #112a49;
  --line: #e7edf5;
  --surface: #f7f9fc;
  --white: #fff;
  --shadow: 0 24px 70px rgba(28, 57, 91, .12);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: #fff; font-size: 15px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body, button, a { font-family: Inter, "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
svg { display: block; }
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 20; top: -60px; left: 16px; padding: 10px 14px; border-radius: 8px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid rgba(226, 233, 243, .8); background: rgba(255,255,255,.92); backdrop-filter: blur(16px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; gap: 9px; }
.brand img { width: 27px; height: 27px; object-fit: contain; }
.brand-name { color: #17283f; font-size: 15px; font-weight: 800; letter-spacing: -.04em; }
.brand-divider { height: 24px; width: 1px; background: #d7dfeb; }
.brand-product { color: #233852; font-size: 15px; font-weight: 750; letter-spacing: -.03em; }
.main-nav { display: flex; align-items: center; gap: 27px; color: #52627a; font-size: 13px; font-weight: 600; }
.main-nav > a:not(.button):hover, .footer-links a:hover, .footer-bottom a:hover { color: var(--blue); }
.nav-login { margin-left: 4px; color: var(--ink); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 22px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; font-weight: 700; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 8px 18px rgba(23,105,210,.17); }
.button-primary:hover { color: #fff; background: var(--blue-dark); box-shadow: 0 12px 24px rgba(23,105,210,.24); }
.button-small { min-height: 40px; padding-inline: 16px; font-size: 12px; }
.button-quiet { color: #425570; background: #fff; border-color: var(--line); }
.button-quiet:hover, .button-outline:hover { background: #f3f7fc; }
.button-light { color: var(--navy); background: #fff; }
.button-light:hover { color: var(--blue); background: #f3f7fc; }
.button-outline { color: var(--ink); border-color: #cfdae8; background: transparent; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; border-radius: 2px; background: var(--navy); transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }

.section-shell { position: relative; overflow: hidden; background: radial-gradient(ellipse at 82% 15%, rgba(210,230,255,.5), transparent 40%), linear-gradient(180deg, #f8faff 0%, #fff 100%); }
.hero { padding: 78px 0 0; }
.hero-orb { position: absolute; pointer-events: none; border: 1px solid rgba(38,120,223,.08); border-radius: 50%; }
.hero-orb-one { width: 510px; height: 510px; top: 40px; right: -120px; }
.hero-orb-two { width: 390px; height: 390px; top: 100px; right: -60px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 46px; }
.hero-copy { padding: 12px 0 45px; }
.eyebrow, .section-kicker { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid #dfeaf9; border-radius: 999px; background: #fff; letter-spacing: .07em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: #48bd8a; box-shadow: 0 0 0 4px #e7f8f0; }
.hero h1 { max-width: 560px; margin: 24px 0 19px; color: #142a47; font-size: clamp(42px, 5vw, 61px); font-weight: 760; letter-spacing: -.058em; line-height: 1.08; }
.hero h1 span { color: var(--blue); }
.hero-lede { max-width: 505px; margin: 0; color: #64748b; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.play-icon { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; color: var(--blue); background: #edf4fe; font-size: 13px; }
.hero-proof { display: flex; align-items: center; gap: 13px; margin-top: 32px; }
.proof-avatars { display: flex; padding-left: 5px; }
.proof-avatars span { display: grid; width: 31px; height: 31px; margin-left: -5px; place-items: center; border: 2px solid #fff; border-radius: 50%; color: #fff; background: #5684c1; font-size: 9px; font-weight: 800; }
.proof-avatars span:nth-child(2) { background: #8d78ba; }
.proof-avatars span:nth-child(3) { background: #48a993; }
.proof-avatars span:nth-child(4) { color: #52627a; background: #e8eef6; }
.hero-proof p { margin: 0; color: #7a8799; font-size: 11px; line-height: 1.55; }
.hero-proof strong { color: #33465f; font-size: 12px; }
.hero-visual { position: relative; min-width: 0; padding: 22px 0 39px; }
.hero-bottom { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; gap: 30px; min-height: 75px; margin-top: 18px; border-top: 1px solid #e9eef5; color: #738198; }
.hero-bottom > span { color: #9ba7b7; font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.hero-bottom div { display: flex; align-items: center; gap: 22px; font-size: 11px; font-weight: 650; }
.hero-bottom i { width: 4px; height: 4px; border-radius: 50%; background: #b8c5d5; }

.section-padding { padding: 100px 0; }
.intro-grid { display: grid; grid-template-columns: 1fr .8fr; align-items: end; gap: 82px; }
.section-copy h2, .section-heading h2, .roles-heading h2, .workflow-copy h2, .faq-intro h2 { margin: 13px 0 0; color: #172b47; font-size: clamp(30px, 3.4vw, 43px); font-weight: 740; letter-spacing: -.045em; line-height: 1.18; }
.intro-text p { margin: 0 0 16px; color: var(--muted); line-height: 1.9; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 13px; font-weight: 750; }
.text-link:hover { color: var(--blue-dark); gap: 12px; }
.benefit-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; margin-top: 58px; padding: 27px 0 0; border-top: 1px solid var(--line); }
.benefit-item { display: flex; align-items: flex-start; gap: 14px; }
.benefit-symbol { display: grid; width: 40px; height: 40px; flex: 0 0 auto; place-items: center; border-radius: 11px; font-size: 20px; font-weight: 700; }
.symbol-blue { color: #2779dc; background: #ebf3ff; }.symbol-violet { color: #8369c2; background: #f1edfc; }.symbol-orange { color: #cb8c30; background: #fff4e2; }
.benefit-item h3 { margin: 1px 0 4px; color: #30425b; font-size: 14px; }
.benefit-item p { margin: 0; color: #78869a; font-size: 12px; line-height: 1.65; }

.modules-section { background: #f7f9fc; }
.section-heading.centered { max-width: 660px; margin: 0 auto 43px; text-align: center; }
.section-heading h2 { margin-top: 12px; }
.section-heading > p { max-width: 560px; margin: 15px auto 0; color: var(--muted); line-height: 1.8; }
.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.module-card { position: relative; min-height: 250px; padding: 23px 20px 20px; border: 1px solid #e9edf4; border-radius: 12px; background: #fff; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.module-card:hover { transform: translateY(-4px); border-color: #d9e7fa; box-shadow: 0 15px 38px rgba(36,67,108,.08); }
.module-card-featured { background: linear-gradient(145deg, #fff 65%, #f1f7ff); }
.module-icon { display: grid; width: 43px; height: 43px; place-items: center; border-radius: 12px; }
.module-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon-blue { color: #347fdb; background: #eaf3ff; }.icon-violet { color: #8468c4; background: #f1edfc; }.icon-green { color: #269d70; background: #e7f7ef; }.icon-orange { color: #d38c2d; background: #fff3df; }.icon-rose { color: #d35e7a; background: #fff0f3; }.icon-cyan { color: #2498aa; background: #e8f8fa; }.icon-yellow { color: #bd8a18; background: #fff8df; }.icon-navy { color: #43618a; background: #edf2f8; }
.module-number { display: block; margin-top: 18px; color: #99a5b4; font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.module-card h3 { margin: 6px 0 8px; color: #263b57; font-size: 15px; font-weight: 730; letter-spacing: -.015em; line-height: 1.4; }
.module-card p { margin: 0; color: #748299; font-size: 11px; line-height: 1.72; }
.module-foot { display: block; margin-top: 13px; color: #56749d; font-size: 9px; font-weight: 650; }

.roles-section { overflow: hidden; background: #fff; }
.roles-heading { display: grid; grid-template-columns: 1fr .66fr; align-items: end; gap: 65px; margin-bottom: 40px; }
.roles-heading .section-heading { max-width: 620px; }
.roles-heading .section-heading h2 { margin-bottom: 0; }
.roles-heading > p { margin: 0 0 4px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.role-showcase { min-width: 0; }
.role-tabs { display: flex; gap: 7px; overflow-x: auto; padding: 4px 2px 13px; scrollbar-color: #c8d6e8 transparent; scrollbar-width: thin; }
.role-tab { display: inline-flex; min-height: 42px; flex: 0 0 auto; align-items: center; gap: 8px; padding: 0 13px; border: 1px solid #e3eaf3; border-radius: 8px; color: #60728a; background: #fff; font-size: 11px; font-weight: 700; cursor: pointer; transition: border-color .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease; }
.role-tab > span { color: #8297b2; font-size: 14px; }
.role-tab:hover { border-color: #a9c7ec; color: #245c9e; }
.role-tab.is-active { border-color: #2c75ca; color: #185ba9; background: #f1f7ff; box-shadow: 0 3px 10px rgba(34,102,181,.08); }
.role-tab.is-active > span { color: #2471c6; }
.role-tab:focus-visible { outline: 3px solid rgba(37,115,203,.25); outline-offset: 2px; }
.role-panel { display: grid; grid-template-columns: minmax(230px, .75fr) minmax(0, 1.55fr); gap: 27px; align-items: stretch; padding: 23px; border: 1px solid #e4eaf2; border-radius: 14px; background: linear-gradient(140deg, #fff 20%, #f8fafd 100%); box-shadow: 0 16px 45px rgba(27,58,96,.07); animation: role-panel-in .25s ease both; }
.role-panel[hidden] { display: none; }
@keyframes role-panel-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.role-detail { display: flex; flex-direction: column; align-items: flex-start; padding: 9px 0; }
.role-kicker { color: #3b78bb; font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.role-detail h3 { margin: 11px 0 9px; color: #203954; font-size: 22px; font-weight: 740; letter-spacing: -.035em; line-height: 1.25; }
.role-detail > p { margin: 0; color: #718097; font-size: 11px; line-height: 1.75; }
.role-features { display: grid; gap: 11px; margin: 19px 0; padding: 0; list-style: none; }
.role-features li { display: flex; gap: 8px; color: #52647a; font-size: 10px; line-height: 1.6; }
.role-features li > span { display: grid; width: 17px; height: 17px; flex: 0 0 auto; place-items: center; border-radius: 50%; color: #16835d; background: #e7f7ef; font-size: 9px; font-weight: 800; }
.role-scope { display: flex; align-items: center; gap: 9px; margin-top: auto; padding: 10px 11px; border: 1px solid #e2ebf5; border-radius: 8px; background: #f7faff; }
.scope-icon { display: grid; width: 28px; height: 28px; flex: 0 0 auto; place-items: center; border-radius: 8px; color: #3478bd; background: #e9f2fc; font-size: 14px; }
.role-scope b, .role-scope small { display: block; }
.role-scope b { color: #415873; font-size: 9px; }
.role-scope small { margin-top: 2px; color: #8391a4; font-size: 8px; line-height: 1.5; }
.roles-note { display: flex; align-items: center; justify-content: center; gap: 7px; margin: 15px 0 0; color: #8491a3; font-size: 10px; text-align: center; }

.workflow-section { background: #f7f9fc; }
.workflow-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 82px; }
.workflow-copy h2 { margin-top: 13px; }
.workflow-copy > p { margin: 16px 0 26px; color: var(--muted); font-size: 13px; line-height: 1.85; }
.workflow-steps { display: grid; gap: 17px; margin: 0 0 22px; }
.workflow-step { display: flex; gap: 13px; }
.workflow-step > span { display: grid; width: 30px; height: 30px; flex: 0 0 auto; place-items: center; border: 1px solid #dbe8f9; border-radius: 9px; color: #3179d0; background: #edf5ff; font-size: 9px; font-weight: 800; }
.workflow-step h3 { margin: 0; color: #344a66; font-size: 12px; }.workflow-step p { margin: 3px 0 0; color: #7d899b; font-size: 10px; line-height: 1.6; }
.workflow-visual { position: relative; display: grid; min-height: 380px; place-items: center; }
.workflow-orbit { position: absolute; border: 1px dashed #dce7f5; border-radius: 50%; }
.orbit-a { width: 370px; height: 370px; }.orbit-b { width: 310px; height: 310px; border-style: solid; border-color: rgba(200,218,240,.5); }
.attendance-panel { position: relative; z-index: 1; width: min(390px, 100%); padding: 18px; border: 1px solid #e3eaf3; border-radius: 13px; background: #fff; box-shadow: 0 25px 65px rgba(34,63,101,.13); }
.attendance-panel-header { display: flex; align-items: center; gap: 9px; padding-bottom: 14px; border-bottom: 1px solid #edf1f6; }
.panel-back { display: grid; width: 25px; height: 25px; place-items: center; border-radius: 7px; color: #60738e; background: #f3f6fa; font-size: 13px; }
.attendance-panel-header small { display: block; color: #91a0b2; font-size: 7px; font-weight: 800; letter-spacing: .08em; }.attendance-panel-header h3 { margin: 1px 0 0; color: #2a3e59; font-size: 12px; }
.panel-date { margin-left: auto; padding: 4px 7px; border-radius: 5px; color: #3179d0; background: #edf5ff; font-size: 7px; font-weight: 800; }
.attendance-summary { display: flex; align-items: center; gap: 13px; padding: 15px 0; }
.attendance-summary > div strong, .attendance-summary > div span { display: block; }.attendance-summary > div strong { color: #30435f; font-size: 16px; line-height: 1.2; }.attendance-summary > div span { margin-top: 2px; color: #9aa7b6; font-size: 6px; font-weight: 800; letter-spacing: .08em; }
.summary-divider { width: 1px; height: 28px; background: #e9edf3; }.summary-check { display: grid; width: 24px; height: 24px; margin-left: auto; place-items: center; border-radius: 50%; color: #2a9a70; background: #e7f7ef; font-size: 12px; font-weight: 800; }
.attendance-student { display: flex; align-items: center; gap: 9px; padding: 10px; border: 1px solid #edf1f5; border-radius: 8px; background: #fbfcfe; }
.attendance-person { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 50%; color: #8a5da4; background: #f2eafb; font-size: 8px; font-weight: 800; }
.attendance-student strong, .attendance-student span { display: block; }.attendance-student strong { color: #42566f; font-size: 9px; }.attendance-student div:nth-child(2) span { margin-top: 2px; color: #96a2b1; font-size: 7px; }
.present-tag { margin-left: auto; padding: 4px 7px; border-radius: 99px; color: #288b66; background: #e6f7ef; font-size: 7px; font-weight: 750; }
.notification-preview { display: flex; gap: 9px; margin-top: 12px; padding: 11px; border: 1px solid #e4effe; border-radius: 8px; background: #f4f8ff; }
.notification-icon { display: grid; width: 23px; height: 23px; flex: 0 0 auto; place-items: center; border-radius: 7px; color: #347ed7; background: #e5efff; font-size: 10px; font-weight: 800; }
.notification-preview strong { color: #435975; font-size: 8px; }.notification-preview p { margin: 2px 0; color: #667990; font-size: 8px; }.notification-preview small { color: #a0adbc; font-size: 7px; }
.attendance-panel-footer { display: flex; justify-content: space-between; margin-top: 11px; color: #9aa6b5; font-size: 7px; }.attendance-panel-footer b { color: #2273d2; font-size: 9px; }
.workflow-caption { position: absolute; right: -15px; bottom: 20px; z-index: 2; display: flex; align-items: center; gap: 9px; padding: 10px 13px; border: 1px solid #edf1f6; border-radius: 9px; background: #fff; box-shadow: 0 12px 30px rgba(29,55,87,.11); }
.caption-check { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 7px; color: #29956b; background: #e7f7ef; font-weight: 800; }.workflow-caption b, .workflow-caption small { display: block; }.workflow-caption b { color: #40546d; font-size: 8px; }.workflow-caption small { color: #8d9aac; font-size: 7px; }

.trust-section { padding-top: 15px; }
.trust-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr .85fr; align-items: center; min-height: 345px; padding: 50px 60px; border-radius: 18px; color: #fff; background: radial-gradient(ellipse at 85% 50%, rgba(53,111,178,.4), transparent 34%), linear-gradient(120deg, #122b4b 0%, #173c66 100%); }
.trust-copy { position: relative; z-index: 2; max-width: 530px; }
.trust-copy .section-kicker { color: #91c4ff; }.trust-copy h2 { margin: 12px 0 13px; color: #fff; font-size: clamp(28px, 3vw, 39px); font-weight: 740; letter-spacing: -.04em; line-height: 1.2; }.trust-copy p { margin: 0 0 22px; color: #c3d0e0; font-size: 12px; line-height: 1.8; }
.trust-art { position: relative; min-height: 250px; display: grid; place-items: center; }
.trust-ring { position: absolute; border: 1px solid rgba(179,210,248,.2); border-radius: 50%; }
.ring-one { width: 235px; height: 235px; }.ring-two { width: 175px; height: 175px; border-style: dashed; }
.trust-center { position: relative; z-index: 1; display: flex; width: 110px; height: 110px; flex-direction: column; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.3); border-radius: 22px; background: rgba(255,255,255,.12); box-shadow: 0 10px 35px rgba(4,18,37,.2); }
.trust-mark { display: grid; width: 30px; height: 30px; margin-bottom: 6px; place-items: center; border-radius: 9px; color: #164a83; background: #d8ebff; font-size: 16px; font-weight: 850; }.trust-center b { font-size: 10px; }.trust-center small { color: #c7d7e9; font-size: 7px; }
.trust-node { position: absolute; z-index: 2; padding: 7px 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 7px; color: #e7f1fc; background: #254c77; font-size: 8px; font-weight: 700; box-shadow: 0 6px 18px rgba(3,15,32,.18); }
.node-admin { top: 3px; left: calc(50% - 32px); }.node-teacher { top: 50%; right: 0; }.node-student { bottom: 2px; left: calc(50% - 37px); }.node-family { top: 50%; left: 0; }

.faq-section { background: #fff; }
.faq-grid { display: grid; grid-template-columns: .65fr 1fr; gap: 90px; }
.faq-intro h2 { margin-bottom: 11px; }.faq-intro p { margin: 0 0 19px; color: var(--muted); font-size: 13px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 19px 0; color: #293e59; font-size: 13px; font-weight: 700; list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }.faq-item summary span { position: relative; width: 22px; height: 22px; flex: 0 0 auto; border: 1px solid #e1e9f2; border-radius: 50%; }
.faq-item summary span::before, .faq-item summary span::after { position: absolute; top: 9px; left: 6px; width: 8px; height: 1.5px; border-radius: 2px; background: #5685c0; content: ""; }.faq-item summary span::after { transform: rotate(90deg); transition: transform .2s ease; }.faq-item[open] summary span::after { transform: rotate(0); }
.faq-item > p { max-width: 650px; margin: -4px 30px 18px 0; color: #748299; font-size: 12px; line-height: 1.8; }

.final-cta { padding: 48px 0; border-top: 1px solid #e7edf5; background: #f7f9fc; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.final-cta .section-kicker { font-size: 9px; }.final-cta h2 { margin: 7px 0 4px; color: #1c304c; font-size: 25px; font-weight: 740; letter-spacing: -.035em; }.final-cta p { margin: 0; color: #738198; font-size: 12px; }
.final-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.site-footer { color: #fff; background: #112744; }
.footer-main { display: flex; justify-content: space-between; gap: 40px; padding-top: 43px; padding-bottom: 38px; }
.footer-brand .brand-name, .footer-brand .brand-product { color: #fff; }.footer-brand .brand-divider { background: rgba(255,255,255,.25); }.footer-brand > p { margin: 13px 0 0; color: #9eafc5; font-size: 11px; }
.footer-links { display: flex; gap: 75px; }.footer-links > div { display: grid; align-content: start; gap: 8px; }.footer-links strong { margin-bottom: 4px; color: #fff; font-size: 11px; }.footer-links a { color: #aab9cc; font-size: 10px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 15px; padding-bottom: 17px; border-top: 1px solid rgba(255,255,255,.1); color: #8194ac; font-size: 9px; }.footer-bottom a { color: #b6c4d5; }

@media (max-width: 1050px) {
  .main-nav { gap: 17px; font-size: 12px; }
  .hero-grid { gap: 25px; }
  .hero h1 { font-size: 51px; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .module-card { min-height: 225px; }
  .roles-heading, .workflow-grid { gap: 45px; }
  .trust-card { padding-inline: 42px; }
}
@media (max-width: 800px) {
  .header-inner { min-height: 70px; }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 10px 24px 20px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 18px 30px rgba(24,46,74,.08); }
  .main-nav.is-open { display: flex; flex-direction: column; }
  .main-nav > a:not(.button) { padding: 11px 3px; }
  .main-nav .nav-login { margin: 0; }
  .main-nav .nav-cta { align-self: flex-start; margin-top: 5px; }
  .hero { padding-top: 55px; }
  .hero-grid { grid-template-columns: 1fr; gap: 7px; }
  .hero-copy { max-width: 620px; padding-bottom: 15px; }
  .hero h1 { max-width: 600px; font-size: clamp(43px, 8vw, 58px); }
  .hero-lede { max-width: 610px; }
  .hero-visual { width: min(690px, 100%); margin: 0 auto; padding: 25px 0 42px; }
  .hero-bottom { flex-direction: column; gap: 7px; padding: 15px 0; }
  .intro-grid, .roles-heading, .workflow-grid, .faq-grid { grid-template-columns: 1fr; gap: 28px; }
  .intro-grid { align-items: start; }
  .benefit-strip { gap: 18px; }
  .roles-heading > p { max-width: 600px; }
  .role-panel { grid-template-columns: 1fr; gap: 18px; }
  .role-detail { padding: 2px 0; }
  .role-detail h3 { max-width: 620px; }
  .role-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .role-scope { align-self: flex-start; }
  .app-preview { width: 100%; }
  .workflow-visual { width: min(550px, 100%); margin-inline: auto; }
  .trust-card { grid-template-columns: 1fr .75fr; padding: 40px 32px; }
  .faq-grid { gap: 27px; }
  .faq-intro { max-width: 550px; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 34px, 1160px); }
  .brand img { width: 25px; height: 25px; }
  .hero { padding-top: 39px; }
  .hero h1 { margin-top: 19px; font-size: 42px; }
  .hero-lede { font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-proof { margin-top: 24px; }
  .dashboard-window { transform: none; }
  .window-body { min-height: 288px; grid-template-columns: 81px 1fr; }
  .window-topbar { height: 40px; padding-inline: 9px; }
  .mock-sidebar { gap: 4px; padding: 10px 5px; }
  .mock-sidebar > span { gap: 4px; padding: 6px 4px; font-size: 6px; }
  .mock-sidebar > span b { width: 10px; font-size: 9px; }
  .sidebar-school { gap: 3px; font-size: 5px; }.school-avatar { width: 18px; height: 18px; font-size: 5px; }.sidebar-school small { font-size: 5px; }
  .mock-content { padding: 10px 8px 7px; }
  .mock-heading h2 { font-size: 12px; }.mock-heading p { font-size: 7px; }.mock-heading small { font-size: 5px; }.mock-period { max-width: 85px; font-size: 5px; }
  .stat-grid { gap: 4px; margin-top: 9px; }.stat-card { min-height: 66px; padding: 7px 5px; }.stat-card > span { font-size: 6px; }.stat-card > strong { font-size: 16px; }.stat-card > small { font-size: 5px; }.stat-icon { top: 6px; right: 5px; width: 13px; height: 13px; font-size: 7px; }
  .mock-lower { grid-template-columns: 1fr; gap: 5px; margin-top: 5px; }.chart-card { display: none; }.activity-card { padding: 7px; }.activity-row { margin-top: 6px; }.activity-icon { width: 15px; height: 15px; }.activity-row strong { font-size: 6px; }.activity-row small { font-size: 5px; }
  .mock-footnote { margin-top: 4px; font-size: 5px; }
  .secure-note { top: 5px; left: -4px; }.attendance-note { right: -3px; bottom: 7px; }.floating-note { gap: 6px; padding: 7px 8px; }.floating-note strong { font-size: 7px; }.floating-note small { font-size: 6px; }.floating-icon { width: 21px; height: 21px; }.live-pill { font-size: 6px; }
  .hero-bottom div { flex-wrap: wrap; justify-content: center; gap: 10px; font-size: 9px; }
  .section-copy h2, .section-heading h2, .roles-heading h2, .workflow-copy h2, .faq-intro h2 { font-size: 31px; }
  .benefit-strip { grid-template-columns: 1fr; margin-top: 35px; }
  .module-grid { grid-template-columns: 1fr; gap: 10px; }.module-card { min-height: 0; padding: 19px; }.module-card p { font-size: 12px; }.module-number { margin-top: 14px; }
  .roles-heading { margin-bottom: 25px; }
  .role-tabs { margin-right: -17px; padding-bottom: 11px; }
  .role-tab { min-height: 39px; padding-inline: 10px; font-size: 10px; }
  .role-panel { gap: 15px; padding: 15px; border-radius: 11px; }
  .role-detail h3 { font-size: 20px; }
  .role-features { grid-template-columns: 1fr; gap: 9px; margin: 15px 0; }
  .role-features li { font-size: 10px; }
  .role-scope { width: 100%; }
  .app-toolbar { height: 35px; gap: 7px; padding-inline: 8px; }
  .app-brand { font-size: 8px; }
  .app-breadcrumb { font-size: 7px; }
  .app-workspace { min-height: 264px; grid-template-columns: 63px minmax(0, 1fr); }
  .app-sidebar { gap: 5px; padding: 9px 4px; }
  .app-sidebar > span { min-height: 25px; justify-content: center; padding: 0 2px; font-size: 9px; }
  .app-sidebar > span b, .app-side-bottom > b { display: none; }
  .app-side-bottom { justify-content: center; padding-top: 7px; }
  .app-page { padding: 10px 8px 7px; }
  .app-page-title { margin-bottom: 8px; }
  .app-page-title h4 { font-size: 11px; }
  .app-kpis { gap: 4px; }
  .app-kpi { min-height: 61px; padding: 7px 5px; }
  .app-kpi > span { font-size: 6px; }
  .app-kpi > b { font-size: 12px; }
  .app-kpi > small { font-size: 5px; }
  .app-kpi > i { top: 5px; right: 4px; width: 15px; height: 15px; font-size: 7px; }
  .app-manager-lower, .app-teacher-lower, .app-student-lower { grid-template-columns: 1fr; gap: 5px; margin-top: 6px; }
  .app-continent-lower { grid-template-columns: 1fr; gap: 5px; }
  .app-widget { padding: 7px; }
  .app-manager-note, .app-progress-widget, .student-shortcuts { display: none; }
  .app-horizontal-bars { gap: 6px; }
  .app-continent-filters { gap: 3px; margin: 5px 0; }
  .app-continent-filters > span { gap: 3px; padding: 4px; font-size: 5px; }
  .app-continent-filters b { font-size: 5px; }
  .app-org-widget { display: none; }
  .app-international-callout { flex-wrap: wrap; gap: 4px; margin-top: 5px; padding: 5px; }
  .app-international-callout > small { margin-left: auto; }
  .app-demo-caption { padding-top: 5px; font-size: 5px; }
  .app-kpis-four .app-kpi { min-height: 51px; padding: 6px 4px; }
  .app-kpis-four .app-kpi > b { font-size: 11px; }
  .app-academic-summary { gap: 4px; margin-bottom: 6px; }
  .app-academic-summary > span { padding: 6px 4px; }
  .app-academic-summary b { font-size: 7px; }
  .app-table > div { grid-template-columns: minmax(0, 1fr) 22px 57px; gap: 3px; font-size: 6px; }
  .app-table .app-table-head { font-size: 5px; }
  .app-table .app-table-head > span:nth-child(2) { text-align: center; }
  .app-table .app-table-head > span:nth-child(3) { text-align: center; }
  .table-status { font-size: 5px; }
  .app-teacher-lower .app-progress-widget { display: none; }
  .app-student-hero { padding: 8px; }
  .app-student-hero h4 { font-size: 10px; }
  .app-student-hero > div > span { font-size: 6px; }
  .app-student-kpis .app-kpi { min-height: 53px; }
  .app-student-lower .student-shortcuts { display: none; }
  .app-family-banner { gap: 5px; padding: 6px; }
  .app-family-banner small { display: none; }
  .family-select { max-width: 95px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .app-family-student { padding: 6px; }
  .app-family-notice { padding: 6px; }
  .roles-note { align-items: flex-start; font-size: 9px; text-align: left; }
  .workflow-visual { min-height: 345px; }.orbit-a { width: 300px; height: 300px; }.orbit-b { width: 250px; height: 250px; }
  .attendance-panel { padding: 13px; }.workflow-caption { right: -3px; bottom: 8px; }
  .trust-section { padding-top: 0; }  .trust-card { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 32px 22px; }.trust-art { min-height: 220px; }.ring-one { width: 205px; height: 205px; }.ring-two { width: 157px; height: 157px; }
  .faq-grid { gap: 24px; }.faq-item summary { font-size: 12px; }.faq-item > p { font-size: 11px; }
  .final-cta { padding: 37px 0; }.final-cta-inner { align-items: stretch; flex-direction: column; gap: 19px; }.final-cta h2 { font-size: 24px; }.final-cta-actions { flex-direction: column; }.final-cta-actions .button { width: 100%; }
  .footer-main { flex-direction: column; gap: 25px; padding-top: 33px; }.footer-links { gap: 45px; }.footer-bottom { font-size: 8px; }
}
.role-kicker { font-size: 10px; }
.role-detail > p { color: #64748b; font-size: 12px; }
.role-features li { color: #43566f; font-size: 11px; }
.role-features li > span { font-size: 10px; }
.role-scope b { font-size: 10px; }
.role-scope small { color: #687b93; font-size: 9px; }
.app-brand { font-size: 11px; }
.app-breadcrumb { color: #687a91; font-size: 9px; }
.app-toolbar-user { font-size: 10px; }
.app-toolbar-user > span { color: #6e7f94; font-size: 9px; }
.app-toolbar-user > b, .app-avatar { font-size: 9px; }
.app-sidebar > span b { font-size: 10px; }
.app-side-bottom, .app-side-bottom > b { font-size: 10px; }
.app-side-bottom small { color: #718198; font-size: 9px; }
.app-page-title > div > small, .app-student-hero > div > small { color: #687b94; font-size: 9px; }
.app-page-title h4 { font-size: 16px; }
.app-date { color: #687b94; font-size: 9px; }
.app-kpi > span { color: #657990; font-size: 10px; }
.app-kpi > small { color: #687b94; font-size: 9px; }
.app-widget-head b { font-size: 11px; }
.app-widget-head > span { color: #687b94; font-size: 9px; }
.app-horizontal-bars > span { color: #5f738d; font-size: 9px; }
.app-task b { font-size: 10px; }
.app-task small { color: #718198; font-size: 9px; }
.app-manager-note > span, .app-manager-note > small { color: #596e88; font-size: 9px; }
.app-academic-summary small { color: #687b94; font-size: 9px; }
.app-academic-summary b { font-size: 11px; }
.app-table { font-size: 10px; }
.app-table > div { min-height: 31px; color: #536780; }
.app-table .app-table-head { color: #687b94; font-size: 9px; }
.table-status { font-size: 9px; }
.app-action { font-size: 10px; }
.schedule-row > b { font-size: 9px; }
.schedule-row strong { font-size: 10px; }
.schedule-row small { color: #718198; font-size: 9px; }
.schedule-row > i { font-size: 9px; }
.app-progress-item, .app-progress-item > strong { color: #5f738d; font-size: 9px; }
.app-student-hero > div > span { color: #687b94; font-size: 9px; }
.app-student-hero h4 { font-size: 16px; }
.student-school-mark { font-size: 9px; }
.student-school-row b, .student-next-class b { color: #536780; font-size: 10px; }
.student-school-row small { color: #687b94; font-size: 9px; }
.student-next-class > span { color: #687b94; font-size: 9px; }
.student-shortcuts > span { color: #5f738d; font-size: 9px; }
.app-family-banner b { color: #51466f; font-size: 10px; }
.app-family-banner small { color: #6f6688; font-size: 9px; }
.family-select { color: #58477f; font-size: 9px; }
.app-notify-label { font-size: 9px; }
.app-family-student > span:nth-child(2) b { font-size: 10px; }
.app-family-student > span:nth-child(2) small { color: #687b94; font-size: 9px; }
.family-active { font-size: 9px; }
.app-family-notice b { font-size: 10px; }
.app-family-notice small { color: #637d6b; font-size: 9px; }
.app-demo-caption { color: #687b94; font-size: 9px; }
.module-number { color: #738198; font-size: 9px; }
.module-foot { font-size: 10px; }
.window-brand { font-size: 13px; }
.demo-label { font-size: 9px; }
.mock-sidebar > span { color: #63758d; font-size: 9px; }
.sidebar-school, .sidebar-school small { color: #63758d; font-size: 8px; }
.mock-heading small { color: #718198; font-size: 8px; }
.mock-heading p { color: #63758d; font-size: 9px; }
.mock-period { font-size: 8px; }
.stat-card > span { color: #63758d; font-size: 9px; }
.stat-card > small { font-size: 8px; }
.card-title { font-size: 9px; }
.card-title small, .card-title a, .chart-y, .chart-x { color: #718198; font-size: 8px; }
.activity-row strong { font-size: 9px; }
.activity-row small { color: #718198; font-size: 8px; }
.mock-footnote { color: #718198; font-size: 8px; }
.floating-note strong { font-size: 10px; }
.floating-note small { color: #687b94; font-size: 9px; }
.live-pill { font-size: 8px; }
.attendance-panel-header small { color: #718198; font-size: 8px; }
.attendance-panel-header h3 { font-size: 14px; }
.attendance-summary > div span { color: #718198; font-size: 8px; }
.attendance-student strong { font-size: 10px; }
.attendance-student div:nth-child(2) span { color: #687b94; font-size: 8px; }
.notification-preview strong, .notification-preview p { font-size: 9px; }
.notification-preview small { color: #687b94; font-size: 8px; }
.attendance-panel-footer { color: #687b94; font-size: 8px; }
.workflow-caption b { font-size: 9px; }
.workflow-caption small { color: #687b94; font-size: 8px; }
@media (max-width: 560px) {
  .role-features li { font-size: 11px; }
  .role-scope small { font-size: 9px; }
  .mock-sidebar > span { font-size: 8px; }
  .sidebar-school, .sidebar-school small { font-size: 8px; }
  .mock-heading small, .mock-period { font-size: 8px; }
  .mock-heading p { font-size: 8px; }
  .stat-card > span { font-size: 8px; }
  .stat-card > small { font-size: 8px; }
  .card-title { font-size: 8px; }
  .card-title small, .card-title a, .chart-y, .chart-x { font-size: 8px; }
  .activity-row strong, .activity-row small { font-size: 8px; }
  .mock-footnote { font-size: 8px; }
  .floating-note strong, .floating-note small, .live-pill { font-size: 8px; }
  .attendance-panel-header small, .attendance-summary > div span { font-size: 8px; }
  .attendance-student strong, .attendance-student div:nth-child(2) span { font-size: 8px; }
  .notification-preview strong, .notification-preview p, .notification-preview small { font-size: 8px; }
  .attendance-panel-footer, .workflow-caption b, .workflow-caption small { font-size: 8px; }
  .app-brand { font-size: 10px; }
  .app-breadcrumb { font-size: 9px; }
  .app-toolbar-user > span { font-size: 8px; }
  .app-sidebar > span b, .app-side-bottom > b { display: none; }
  .app-page-title > div > small, .app-student-hero > div > small { font-size: 9px; }
  .app-page-title h4 { font-size: 14px; }
  .app-kpi > span { font-size: 9px; }
  .app-kpi > small { font-size: 9px; }
  .app-widget-head b { font-size: 10px; }
  .app-widget-head > span { font-size: 9px; }
  .app-table > div { grid-template-columns: minmax(0, 1fr) 27px 67px; gap: 3px; font-size: 9px; }
  .app-table .app-table-head { font-size: 8px; }
  .table-status { font-size: 8px; }
  .app-academic-summary small { font-size: 9px; }
  .app-academic-summary b { font-size: 10px; }
  .app-student-hero h4 { font-size: 13px; }
  .app-student-hero > div > span { font-size: 9px; }
  .app-family-banner b, .app-family-student > span:nth-child(2) b { font-size: 9px; }
  .app-family-banner small { display: none; }
  .family-select, .app-exchange { font-size: 9px; }
}
@media (min-width: 561px) and (max-width: 960px) {
  .hero { padding-top: clamp(50px, 7vw, 68px); }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .hero-copy { max-width: 760px; padding: 8px 0 10px; }
  .hero h1 { max-width: 760px; font-size: clamp(43px, 6vw, 58px); }
  .hero-lede { max-width: 700px; }
  .hero-visual { width: min(820px, 100%); margin-inline: auto; }
}
@media (max-width: 800px) {
  .trust-card { grid-template-columns: minmax(0, 1fr); }
  .trust-copy { max-width: 680px; }
}
@media (max-width: 560px) {
  .section-padding { padding: clamp(52px, 12vw, 68px) 0; }
  .window-body { min-height: 0; grid-template-columns: minmax(0, 1fr); }
  .mock-sidebar { display: none; }
  .mock-content { min-width: 0; }
  .hero-visual { padding-bottom: 20px; }
  .floating-note { display: none; }
  .app-workspace { grid-template-columns: minmax(0, 1fr); }
  .app-sidebar { display: none; }
  .orbit-a { width: min(300px, calc(100vw - 48px)); height: min(300px, calc(100vw - 48px)); }
  .orbit-b { width: min(250px, calc(100vw - 88px)); height: min(250px, calc(100vw - 88px)); }
}
@media (max-width: 360px) {
  .hero h1 { font-size: clamp(34px, 10.5vw, 38px); letter-spacing: -.05em; }
  .eyebrow { gap: 6px; padding-inline: 9px; font-size: 9px; }
  .button { padding-inline: 16px; }
  .trust-card { padding-inline: 17px; }
  .footer-links { gap: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

:root {
  --ink: #111;
  --muted: #626262;
  --blue: #111;
  --blue-dark: #000;
  --konecta-accent: #f00087;
  --navy: #0a0a0a;
  --line: #e5e5e5;
  --surface: #f7f7f7;
  --shadow: 0 24px 70px rgba(0, 0, 0, .1);
}

body { color: #141414; background: #fff; }
.site-header { border-color: #e8e8e8; }
.brand img { width: 32px; height: 32px; }
.brand-name { color: #171717; }
.brand-divider { background: #d3d3d3; }
.brand-product { color: #171717; }
.main-nav { color: #555; }
.main-nav > a:not(.button):hover, .footer-links a:hover, .footer-bottom a:hover,
.text-link, .nav-login { color: #111; }
.menu-toggle { border-color: #d9d9d9; }
.menu-toggle span { background: #111; }
.button-primary { background: #111; box-shadow: 0 8px 18px rgba(0, 0, 0, .12); }
.button-primary:hover { background: #333; box-shadow: 0 12px 24px rgba(0, 0, 0, .18); }
.button-quiet, .button-outline { border-color: #d6d6d6; color: #111; }
.button-light { color: #111; }

.hero.section-shell { color: #fff; background: #0a0a0a; }
.hero-orb { border-color: rgba(255, 255, 255, .08); }
.hero .eyebrow { border-color: #343434; color: #e5e5e5; background: #161616; }
.hero .eyebrow-dot { background: var(--konecta-accent); box-shadow: 0 0 0 4px rgba(240, 0, 135, .18); }
.hero h1 { color: #fff; }
.hero h1 span { color: #c8c8c8; }
.hero-lede { color: #c1c1c1; }
.hero-actions .button-quiet { border-color: #555; color: #fff; background: #151515; }
.hero-actions .button-quiet:hover { background: #262626; }
.hero-actions .play-icon { color: #111; background: #fff; }
.hero-proof { color: #fff; }
.hero-proof p { color: #b7b7b7; }
.hero-proof strong { color: #fff; }
.hero-proof-mark { display: grid; width: 38px; height: 38px; flex: 0 0 auto; place-items: center; border: 1px solid #555; border-radius: 50%; background: #fff; }
.hero-proof-mark img { width: 23px; height: 23px; object-fit: contain; }
.hero-bottom { border-color: #333; color: #aaa; }
.hero-bottom > span { color: #777; }
.hero-bottom i { background: #666; }
.hero-product-frame { min-width: 0; margin: 0; }
.device-monitor { position: relative; z-index: 1; overflow: hidden; padding: 8px 9px 0; border: 1px solid #45464a; border-radius: 12px 12px 7px 7px; background: linear-gradient(145deg, #303136, #17181b 58%, #27282c); box-shadow: 0 14px 32px rgba(0, 0, 0, .2); }
.device-toolbar { position: relative; display: flex; height: 15px; align-items: flex-start; }
.device-toolbar::after { position: absolute; top: 4px; left: 50%; width: 4px; height: 4px; border: 1px solid #65666a; border-radius: 50%; background: #111; box-shadow: 7px 0 0 -1px #555; content: ""; transform: translateX(-50%); }
.device-controls { display: flex; gap: 3px; padding: 4px 2px; }
.device-controls i { width: 4px; height: 4px; border-radius: 50%; background: #77787b; }
.device-screen { overflow: hidden; border: 1px solid #0a0a0b; border-radius: 3px 3px 0 0; background: #fff; }
.device-screen img { display: block; width: 100%; height: auto; }
.device-bezel { display: grid; height: 20px; place-items: center; }
.device-bezel img { display: block; width: 12px; height: 12px; object-fit: contain; }
.device-stand { display: flex; height: 31px; flex-direction: column; align-items: center; }
.device-neck { width: 17%; height: 21px; background: linear-gradient(90deg, #a4a5a8, #e0e0e2 45%, #8a8b8e); clip-path: polygon(16% 0, 84% 0, 100% 100%, 0 100%); }
.device-base { width: 42%; height: 9px; border: 1px solid #999a9d; border-radius: 3px 3px 50% 50%; background: linear-gradient(180deg, #e1e1e2, #9d9ea1); box-shadow: 0 4px 8px rgba(0, 0, 0, .14); }
.hero-product-frame > .device-monitor { box-shadow: 0 30px 65px rgba(0, 0, 0, .36); }
.product-caption { display: flex; align-items: center; justify-content: space-between; gap: 8px 16px; padding: 11px 15px; color: #666; background: #f8f8f8; font-size: 12px; line-height: 1.5; }
.product-caption span:first-child { color: #111; font-weight: 750; }
.hero-product-frame .product-caption { margin-top: 3px; border-top: 1px solid #333; border-radius: 7px; color: #aaa; background: #111; }
.hero-product-frame .product-caption span:first-child { color: #fff; }

.section-kicker, .eyebrow, .text-link { color: #222; }
.intro, .modules-section, .roles-section, .faq-section { background-color: #fff; }
.benefit-strip, .module-icon, .workflow-visual { filter: grayscale(1); }
.section-copy h2, .section-heading h2, .roles-heading h2, .workflow-copy h2,
.faq-intro h2, .final-cta h2 { color: #141414; }
.intro-text p, .section-heading > p, .roles-heading > p, .workflow-copy > p,
.workflow-step p, .faq-intro p, .faq-item > p, .final-cta p { color: #626262; }
.module-card { border-color: #e5e5e5; }
.module-card:hover { border-color: #999; box-shadow: 0 15px 38px rgba(0, 0, 0, .07); }
.module-card::before { position: absolute; top: -1px; right: 12px; left: 12px; height: 2px; border-radius: 2px; background: var(--konecta-accent); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .22s ease; }
.module-card:hover::before { transform: scaleX(1); }
.module-card-featured { background: linear-gradient(145deg, #fff 65%, #f5f5f5); }
.module-icon { color: #111; background: #f1f1f1; }
.module-card h3, .workflow-step h3 { color: #222; }
.module-card p { color: #626262; font-size: 12px; }
.module-number { color: #777; }
.module-foot { color: #555; font-size: 11px; }
.ai-tools-section { background: #f5f5f5; }
.ai-tools-section .section-kicker { color: #b00060; }
.ai-tools-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.ai-tool-card { position: relative; min-width: 0; padding: 16px; border: 1px solid #e3e3e3; border-radius: 13px; background: #fff; box-shadow: 0 8px 22px rgba(0, 0, 0, .035); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.ai-tool-card::before { position: absolute; top: -1px; right: 12px; left: 12px; height: 2px; border-radius: 2px; background: var(--konecta-accent); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .22s ease; }
.ai-tool-card:hover { transform: translateY(-4px); border-color: #c9c9c9; box-shadow: 0 15px 34px rgba(0, 0, 0, .08); }
.ai-tool-card:hover::before { transform: scaleX(1); }
.ai-tool-visual { margin: 0; }
.ai-tool-visual .device-screen { aspect-ratio: 16 / 9; }
.ai-tool-visual .device-screen img { width: 100%; height: 100%; object-fit: cover; }
.ai-tool-screen-english { object-position: center 12%; }
.ai-tool-screen-math { object-position: center 35%; }
.ai-tool-caption { margin-top: 8px; color: #686868; font-size: 10px; font-weight: 650; text-align: center; }
.ai-tool-copy { padding: 8px 7px 5px; }
.ai-tool-category { color: #777; font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.ai-tool-card h3 { margin: 5px 0 6px; color: #1b1b1b; font-size: 18px; font-weight: 750; letter-spacing: -.025em; line-height: 1.35; }
.ai-tool-card p { margin: 0; color: #5f5f5f; font-size: 12px; line-height: 1.7; }
.ai-more-tools { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 18px; padding: 15px 18px; border: 1px solid #e1e1e1; border-radius: 10px; background: rgba(255, 255, 255, .72); }
.ai-more-tools > div { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ai-more-tools-label { margin-right: 5px; color: #5d5d5d; font-size: 11px; }
.ai-more-tools strong { padding: 5px 9px; border: 1px solid #e5e5e5; border-radius: 999px; color: #444; background: #fff; font-size: 10px; }
.ai-more-tools > p { max-width: 330px; margin: 0; color: #666; font-size: 10px; line-height: 1.6; text-align: right; }

.change-section { overflow: hidden; background: #f5f5f5; }
.change-layout { display: grid; grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr); gap: 18px; align-items: stretch; }
.change-tabs { display: grid; align-content: center; gap: 9px; }
.change-tab { display: grid; min-height: 66px; grid-template-columns: 35px minmax(0, 1fr) 18px; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid #e1e1e1; border-radius: 10px; color: #333; background: #fff; font: inherit; font-size: 13px; font-weight: 700; text-align: left; cursor: pointer; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease, background .2s ease; }
.change-tab:hover { transform: translateX(3px); border-color: #b7b7b7; }
.change-tab > span:first-child { color: #777; font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.change-tab > span:last-child { color: #999; font-size: 16px; }
.change-tab.is-active { border-color: #171717; color: #fff; background: #111; box-shadow: 0 10px 24px rgba(0,0,0,.12); }
.change-tab.is-active > span:first-child, .change-tab.is-active > span:last-child { color: #ff6ebc; }
.change-tab:focus-visible { outline: 3px solid rgba(240, 0, 135, .35); outline-offset: 3px; }
.change-panel { display: grid; min-width: 0; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 25px; padding: 20px; border: 1px solid #282828; border-radius: 15px; color: #fff; background: #0a0a0a; box-shadow: 0 22px 55px rgba(0,0,0,.13); }
.change-image { min-width: 0; margin: 0; }
.change-image figcaption { display: flex; min-height: 40px; align-items: center; gap: 8px; margin-top: 3px; padding: 7px 10px; border-radius: 7px; color: #aaa; background: #111; font-size: 10px; line-height: 1.4; }
.change-brand-mark { display: grid; width: 19px; height: 19px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: #fff; }
.change-brand-mark img { width: 13px; height: 13px; object-fit: contain; }
.change-copy { min-width: 0; padding: 8px 2px; }
.change-index { color: #ff6ebc; font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.change-copy h3 { margin: 12px 0 22px; color: #fff; font-size: clamp(22px, 2.2vw, 29px); font-weight: 740; letter-spacing: -.04em; line-height: 1.2; }
.change-story { padding: 0 0 0 13px; border-left: 2px solid #575757; }
.change-story + .change-story { margin-top: 17px; }
.change-story > span { color: #bcbcbc; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.change-story p { margin: 5px 0 0; color: #c4c4c4; font-size: 12px; line-height: 1.7; }
.change-story-after { border-color: var(--konecta-accent); }
.change-story-after > span { color: #ff8ac9; }
.change-story-after p { color: #f1f1f1; }
.change-panel.is-changing .change-image, .change-panel.is-changing .change-copy { animation: change-in .28s ease both; }
@keyframes change-in { from { opacity: .25; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.role-tab { border-color: #dedede; color: #555; }
.role-tab:hover { border-color: #777; color: #111; }
.role-tab.is-active { border-color: #111; color: #fff; background: #111; box-shadow: 0 3px 10px rgba(0, 0, 0, .12); }
.role-tab.is-active > span { color: #ff6ebc; }
.role-panel { border-color: #e3e3e3; background: #fff; box-shadow: 0 16px 45px rgba(0, 0, 0, .06); }
.role-kicker { color: #444; font-size: 11px; }
.role-detail h3 { color: #111; }
.role-detail > p { color: #555; font-size: 14px; }
.role-features li { color: #444; font-size: 12px; }
.role-features li > span { color: #fff; background: #111; }
.role-scope { border-color: #e2e2e2; background: #f8f8f8; }
.scope-icon { color: #fff; background: #111; }
.role-scope b { color: #222; font-size: 11px; }
.role-scope small { color: #666; font-size: 11px; }
.role-tab { font-size: 12px; }
.role-product-frame { min-width: 0; align-self: center; margin: 0; }
.role-product-frame .product-caption { margin-top: 3px; border-radius: 7px; color: #666; background: #f7f7f7; }
.role-product-frame .product-caption span:first-child { color: #222; }
.roles-note { color: #666; font-size: 12px; }

.workflow-section { background: #f7f7f7; }
.workflow-visual { overflow: hidden; border-radius: 14px; }
.workflow-step > span { border-color: #d8d8d8; color: #111; background: #fff; }
.workflow-step p { color: #626262; font-size: 12px; }
.trust-card { background: #0a0a0a; }
.trust-copy .section-kicker { color: #c9c9c9; }
.trust-copy p { color: #c2c2c2; }
.trust-ring { border-color: rgba(255, 255, 255, .2); }
.trust-center { border-color: rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .08); }
.trust-mark { display: grid; width: 36px; height: 36px; margin-bottom: 6px; place-items: center; border-radius: 10px; background: #fff; }
.trust-mark img { width: 25px; height: 25px; object-fit: contain; }
.trust-center small { color: #bdbdbd; }
.trust-node { border-color: #444; color: #eee; background: #1c1c1c; }

.faq-item summary { color: #222; }
.faq-item summary span { border-color: #ddd; }
.faq-item summary span::before, .faq-item summary span::after { background: #111; }
.faq-item > p, .faq-intro p { color: #5d5d5d; }
.faq-item > p { font-size: 12px; }
.final-cta { border-color: #e5e5e5; background: #f7f7f7; }
.site-footer { background: #090909; }
.site-footer .brand img { filter: none; }
.site-footer .brand-divider { background: #555; }
.site-footer .brand-product { color: #fff; }
.site-footer .brand-name { color: #fff; }
.footer-brand > p { color: #aaa; }
.footer-links a, .footer-bottom a { color: #bbb; }
.footer-brand > p { font-size: 12px; }
.footer-links strong, .footer-links a { font-size: 12px; }
.site-footer .footer-links a:hover, .site-footer .footer-bottom a:hover {
  color: #ff6ebc;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.site-footer .footer-links a:focus-visible, .site-footer .footer-bottom a:focus-visible {
  color: #ff8ac9;
  outline-color: #ff6ebc;
}
.footer-bottom { color: #888; font-size: 11px; }
.footer-bottom a { white-space: nowrap; }
.whatsapp-float { position: fixed; right: 24px; bottom: 24px; z-index: 9; display: inline-flex; min-height: 52px; align-items: center; gap: 10px; padding: 0 18px 0 14px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 999px; color: #fff; background: #168b52; box-shadow: 0 8px 24px rgba(0, 0, 0, .22); font-size: 13px; font-weight: 750; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.whatsapp-float:hover { transform: translateY(-3px); color: #fff; background: #117744; box-shadow: 0 12px 28px rgba(0, 0, 0, .26); }
.whatsapp-float svg { width: 25px; height: 25px; fill: currentColor; }
.whatsapp-float:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #777; outline-offset: 3px; }

@media (max-width: 800px) {
  .hero-product-frame { width: min(820px, 100%); margin-inline: auto; }
  .role-product-frame { width: 100%; }
  .change-layout { grid-template-columns: 1fr; }
  .change-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .brand img { width: 29px; height: 29px; }
  .device-monitor { padding: 6px 6px 0; border-radius: 9px 9px 5px 5px; }
  .device-toolbar { height: 12px; }
  .device-bezel { height: 16px; }
  .device-bezel img { width: 10px; height: 10px; }
  .device-stand { height: 25px; }
  .device-neck { height: 17px; }
  .device-base { height: 8px; }
  .product-caption { align-items: flex-start; flex-direction: column; padding: 9px 11px; }
  .hero-proof { align-items: flex-start; }
  .role-tab { font-size: 12px; }
  .change-tabs { gap: 7px; }
  .change-tab { min-height: 57px; grid-template-columns: 25px minmax(0, 1fr) 14px; gap: 6px; padding: 9px 8px; font-size: 11px; }
  .change-panel { grid-template-columns: minmax(0, 1fr); gap: 17px; padding: 13px; }
  .change-copy { padding: 2px 3px 5px; }
  .change-copy h3 { margin: 9px 0 17px; font-size: 23px; }
  .change-story p { font-size: 12px; }
  .ai-tools-grid { grid-template-columns: minmax(0, 1fr); }
  .ai-tool-card { padding: 12px; }
  .ai-more-tools { align-items: flex-start; flex-direction: column; gap: 9px; padding: 13px; }
  .ai-more-tools > p { text-align: left; }
  .whatsapp-float { right: 14px; bottom: 14px; min-height: 48px; padding-inline: 13px; }
}

@media (min-width: 801px) and (max-width: 900px) {
  .change-layout { grid-template-columns: 1fr; }
  .change-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 561px) and (max-width: 1050px) {
  .ai-tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-more-tools { align-items: flex-start; flex-direction: column; gap: 9px; }
  .ai-more-tools > p { max-width: none; text-align: left; }
}