@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap");

:root {
  --navy: #14122f;
  --navy-soft: #211e47;
  --ink: #111831;
  --muted: #687087;
  --paper: #f5f6f8;
  --white: #ffffff;
  --line: #dfe2e8;
  --lime: #7a70ef;
  --blue: #5045e7;
  --purple: #786ff0;
  --yellow: #ffc94a;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", "Noto Sans KR", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
.wrap { margin: 0 auto; max-width: 1280px; width: calc(100% - 64px); }
.section { padding: 120px 0; }
.eyebrow { color: var(--lime); font-size: 12px; font-weight: 800; letter-spacing: .18em; margin: 0 0 22px; text-transform: uppercase; }
.eyebrow.dark { color: var(--blue); }
h1, h2, h3, p { word-break: keep-all; }
h1, h2, h3 { margin-top: 0; }
h2 { font-size: clamp(40px, 4.7vw, 68px); letter-spacing: -.065em; line-height: 1.12; margin-bottom: 0; }
h2 em, h1 em { color: var(--lime); font-style: normal; }

.site-header { background: rgba(13, 22, 48, .94); border-bottom: 1px solid rgba(255,255,255,.1); color: white; position: sticky; top: 0; z-index: 100; }
.header-inner { align-items: center; display: flex; height: 78px; justify-content: space-between; }
.brand { align-items: center; display: inline-flex; font-size: 20px; font-weight: 900; letter-spacing: -.055em; }
.brand-icon { border-radius: 8px; height: 31px; margin-right: 10px; width: 31px; }
.brand b { color: var(--lime); font-weight: 900; }
.main-nav { align-items: center; display: flex; gap: 34px; }
.nav-group { position: relative; }
.nav-label, .main-nav > a { background: none; border: 0; color: white; cursor: pointer; font-size: 14px; font-weight: 600; opacity: .84; padding: 30px 0; }
.nav-label::after { content: "⌄"; font-size: 10px; margin-left: 5px; }
.nav-label:hover, .main-nav > a:hover { opacity: 1; }
.dropdown { background: white; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 20px 60px rgba(7, 15, 35, .18); display: grid; gap: 4px; left: 50%; min-width: 190px; opacity: 0; padding: 10px; pointer-events: none; position: absolute; top: 66px; transform: translate(-50%, 8px); transition: .2s ease; }
.dropdown a { border-radius: 10px; color: var(--ink); font-size: 13px; font-weight: 600; padding: 11px 13px; white-space: nowrap; }
.dropdown a:hover { background: #f1f3f8; color: var(--blue); }
.nav-group:hover .dropdown, .nav-group:focus-within .dropdown { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.header-actions { align-items: center; display: flex; gap: 18px; }
.login-link { font-size: 13px; font-weight: 700; opacity: .8; }
.lms-link { background: var(--blue); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: white; font-size: 13px; font-weight: 800; padding: 11px 17px; }
.menu-toggle { background: transparent; border: 0; color: white; display: none; font-size: 25px; padding: 6px; }

.hero-home { background: var(--navy); color: white; min-height: 780px; overflow: hidden; padding: 94px 0 100px; position: relative; }
.hero-orbit { border: 1px solid rgba(200,255,61,.12); border-radius: 50%; position: absolute; }
.hero-orbit-one { height: 760px; right: -170px; top: -170px; width: 760px; }
.hero-orbit-two { height: 520px; right: -50px; top: -50px; width: 520px; }
.hero-layout { align-items: center; display: grid; gap: 64px; grid-template-columns: .88fr 1.12fr; position: relative; z-index: 1; }
.hero-copy h1 { font-size: clamp(54px, 5.4vw, 82px); letter-spacing: -.07em; line-height: 1.06; margin: 0 0 30px; }
.hero-lead { color: #adb6cd; font-size: 18px; line-height: 1.78; margin: 0; max-width: 570px; }
.hero-actions { align-items: center; display: flex; gap: 26px; margin-top: 38px; }
.button { align-items: center; border-radius: 999px; display: inline-flex; font-size: 14px; font-weight: 800; gap: 15px; justify-content: center; padding: 16px 22px; }
.button-lime { background: var(--blue); box-shadow: 0 12px 28px rgba(80,69,231,.28); color: white; }
.button-dark { background: var(--navy); color: white; }
.text-link { border-bottom: 1px solid rgba(255,255,255,.4); font-size: 14px; font-weight: 700; padding: 8px 0; }
.hero-proof { border-top: 1px solid rgba(255,255,255,.12); display: flex; gap: 26px; margin-top: 48px; padding-top: 22px; }
.hero-proof span { color: #aeb7cc; font-size: 11px; letter-spacing: .03em; }
.hero-proof b { color: white; margin-right: 5px; }

.dashboard-shell { background: #f8f9fb; border: 7px solid rgba(255,255,255,.12); border-radius: 25px; box-shadow: 0 40px 80px rgba(0,0,0,.3); color: var(--ink); min-width: 0; position: relative; transform: perspective(1200px) rotateY(-2deg) rotateX(1deg); }
.dashboard-top { align-items: center; background: white; border-radius: 18px 18px 0 0; border-bottom: 1px solid #e8eaf0; color: #8a91a4; display: flex; font-size: 9px; height: 32px; justify-content: space-between; padding: 0 12px; }
.traffic-lights { display: flex; gap: 4px; }
.traffic-lights i { background: #f06b64; border-radius: 50%; height: 6px; width: 6px; }
.traffic-lights i:nth-child(2) { background: #f4c650; }
.traffic-lights i:nth-child(3) { background: #54c880; }
.live-dot { color: #6b75ed; font-weight: 800; }
.dashboard-body { display: grid; grid-template-columns: 54px 1fr; }
.dashboard-rail { align-items: center; background: var(--navy-soft); display: flex; flex-direction: column; gap: 22px; min-height: 405px; padding: 17px 0; }
.rail-logo { border-radius: 7px; height: 28px; margin-bottom: 8px; object-fit: cover; width: 28px; }
.dashboard-rail i { border: 2px solid #69728f; border-radius: 4px; height: 12px; opacity: .5; width: 12px; }
.dashboard-rail i.active { border-color: var(--lime); opacity: 1; }
.dashboard-rail i.rail-bottom { margin-top: auto; }
.dashboard-main { min-width: 0; padding: 24px; }
.dashboard-greeting { align-items: center; display: flex; justify-content: space-between; }
.dashboard-greeting div { display: flex; flex-direction: column; gap: 5px; }
.dashboard-greeting small { color: #9ba1b0; font-size: 9px; }
.dashboard-greeting strong { font-size: 17px; letter-spacing: -.04em; }
.avatar { align-items: center; background: #e4e7ff; border-radius: 50%; color: #5868dd; display: flex; font-size: 9px; font-weight: 800; height: 30px; justify-content: center; width: 30px; }
.stat-row { display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); margin: 20px 0 12px; }
.stat-row article { background: white; border: 1px solid #e8eaf0; border-radius: 12px; display: grid; gap: 5px; grid-template-columns: 28px 1fr; padding: 12px; }
.stat-icon { align-items: center; border-radius: 8px; display: flex; font-size: 11px; grid-row: span 2; height: 27px; justify-content: center; width: 27px; }
.stat-icon.purple { background: #eee9ff; color: #7559df; }
.stat-icon.yellow { background: #fff4d9; color: #df9e00; }
.stat-icon.blue { background: #e8edff; color: #5066e7; }
.stat-row small { color: #969dac; font-size: 8px; }
.stat-row strong { font-size: 15px; }
.stat-row strong em { color: #9ba1b0; font-size: 8px; font-style: normal; font-weight: 500; margin-left: 2px; }
.dashboard-grid { display: grid; gap: 12px; grid-template-columns: 1.4fr 1fr; }
.dashboard-grid article { background: white; border: 1px solid #e8eaf0; border-radius: 12px; min-width: 0; padding: 14px; }
.card-title { align-items: center; display: flex; justify-content: space-between; }
.card-title strong { font-size: 10px; }
.card-title span { color: #9da3b0; font-size: 7px; }
.bar-chart { align-items: end; border-bottom: 1px solid #ebedf2; display: flex; gap: 10px; height: 105px; margin-top: 10px; padding: 0 6px; }
.bar-chart i { background: #dfe3f5; border-radius: 4px 4px 0 0; height: var(--bar); width: 13px; }
.bar-chart i.today { background: var(--blue); }
.chart-labels { color: #9ca2ae; display: flex; font-size: 6px; justify-content: space-around; margin-top: 6px; }
.task-card ul { display: grid; gap: 10px; list-style: none; margin: 16px 0 0; padding: 0; }
.task-card li { align-items: center; display: flex; font-size: 8px; gap: 7px; }
.task-card li i { border: 1px solid #d5d9e1; border-radius: 50%; height: 13px; width: 13px; }
.task-card li i.done { align-items: center; background: var(--lime); border: 0; color: var(--navy); display: flex; font-size: 7px; justify-content: center; }
.floating-notice { align-items: center; background: white; border: 1px solid #e8eaf0; border-radius: 13px; bottom: 30px; box-shadow: 0 15px 40px rgba(8, 15, 34, .18); display: flex; gap: 10px; left: -30px; padding: 11px 14px; position: absolute; }
.notice-icon { align-items: center; background: var(--blue); border-radius: 9px; color: white; display: flex; height: 28px; justify-content: center; width: 28px; }
.floating-notice div { display: flex; flex-direction: column; gap: 2px; }
.floating-notice b { font-size: 9px; }
.floating-notice small { color: #9aa1b1; font-size: 7px; }

.metric-strip { background: linear-gradient(120deg, var(--blue), var(--purple)); color: white; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr) 1.15fr; }
.metric-grid > div { border-left: 1px solid rgba(255,255,255,.18); min-height: 160px; padding: 32px 28px; }
.metric-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.18); }
.metric-grid strong { font-size: 11px; }
.metric-grid p { font-size: 17px; font-weight: 700; letter-spacing: -.04em; line-height: 1.45; margin: 29px 0 0; }
.metric-message { align-items: end; display: flex; justify-content: space-between; }
.metric-message span { font-size: 13px; font-weight: 700; line-height: 1.4; text-transform: uppercase; }
.metric-message i { font-size: 34px; }

.section-intro { background: white; }
.split-heading { align-items: end; display: grid; gap: 80px; grid-template-columns: 1.25fr .75fr; margin-bottom: 62px; }
.split-heading h2 em { color: var(--blue); }
.split-heading > p { color: var(--muted); font-size: 16px; line-height: 1.8; margin: 0 0 8px; }
.solution-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.solution-card { border: 1px solid var(--line); border-radius: 24px; min-height: 390px; overflow: hidden; padding: 25px; position: relative; transition: transform .25s ease, box-shadow .25s ease; }
.solution-card:hover { box-shadow: 0 20px 50px rgba(27, 35, 67, .12); transform: translateY(-6px); }
.solution-number { font-size: 11px; font-weight: 800; }
.solution-icon { align-items: center; border-radius: 50%; display: flex; font-size: 34px; height: 100px; justify-content: center; margin: 36px 0 38px; width: 100px; }
.management .solution-icon { background: #e8ecff; color: var(--blue); }
.learning .solution-icon { background: #efedff; color: var(--purple); }
.insight .solution-icon { background: #ffe8dd; color: #ec6c38; }
.solution-card h3 { font-size: 26px; letter-spacing: -.045em; margin-bottom: 14px; }
.solution-card p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0 0 24px; }
.card-link { bottom: 25px; font-size: 12px; font-weight: 800; position: absolute; right: 25px; }

.bento-section { background: var(--navy); color: white; }
.centered-heading { margin: 0 auto 62px; max-width: 760px; text-align: center; }
.centered-heading p:last-child { color: #aeb7cc; font-size: 16px; margin-top: 22px; }
.bento-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); }
.bento-card { border-radius: 26px; min-height: 420px; overflow: hidden; padding: 36px; position: relative; }
.bento-wide { align-items: center; display: grid; gap: 30px; grid-column: span 2; grid-template-columns: .8fr 1.2fr; min-height: 480px; }
.bento-dark { background: #1a2648; }
.bento-lime { background: linear-gradient(140deg, var(--blue), var(--purple)); color: white; }
.bento-white { background: white; color: var(--navy); }
.bento-blue { background: var(--blue); }
.pill { border: 1px solid currentColor; border-radius: 999px; display: inline-block; font-size: 10px; font-weight: 800; margin-bottom: 28px; opacity: .7; padding: 7px 11px; }
.bento-card h3 { font-size: clamp(30px, 3.2vw, 48px); letter-spacing: -.055em; line-height: 1.2; margin-bottom: 18px; }
.bento-card p { color: #adb6ce; font-size: 14px; line-height: 1.75; max-width: 450px; }
.bento-card > a, .bento-copy a { bottom: 35px; font-size: 12px; font-weight: 800; position: absolute; }
.phone-mock { background: #f5f6f9; border: 8px solid #0b1225; border-radius: 28px 28px 0 0; color: var(--ink); height: 390px; margin: 54px auto -78px; max-width: 320px; padding: 25px 20px; position: relative; width: 72%; }
.phone-notch { background: #0b1225; border-radius: 0 0 9px 9px; height: 13px; left: 50%; position: absolute; top: 0; transform: translateX(-50%); width: 88px; }
.phone-mock > small { color: #929aaa; display: block; font-size: 9px; margin-top: 8px; }
.phone-mock > strong { display: block; font-size: 22px; margin-top: 4px; }
.ring { align-items: center; display: flex; justify-content: center; margin: 10px auto; position: relative; }
.ring i { border: 13px solid #e6e8ef; border-right-color: var(--blue); border-top-color: var(--blue); border-radius: 50%; height: 112px; transform: rotate(25deg); width: 112px; }
.ring span { font-size: 10px; left: 50%; position: absolute; text-align: center; top: 50%; transform: translate(-50%, -50%); }
.ring b { font-size: 18px; }
.phone-mock ul { display: grid; gap: 7px; list-style: none; margin: 10px 0 0; padding: 0; }
.phone-mock li { align-items: center; background: white; border-radius: 10px; display: grid; font-size: 9px; gap: 8px; grid-template-columns: 26px 1fr auto; padding: 7px; }
.phone-mock li .avatar { height: 25px; width: 25px; }
.phone-mock li span { display: flex; flex-direction: column; font-weight: 700; }
.phone-mock li small { color: #a0a7b5; font-size: 7px; font-weight: 400; }
.phone-mock li > b { color: #5a6ceb; font-size: 8px; }
.mint { background: #dff7e6; color: #338350; }
.peach { background: #ffe7d9; color: #d16b38; }
.quiz-stack { display: grid; gap: 11px; margin-top: 62px; transform: rotate(-4deg); }
.quiz-stack span { background: white; border-radius: 12px; box-shadow: 0 8px 18px rgba(13,22,48,.12); font-size: 13px; font-weight: 700; padding: 17px; }
.class-window { background: var(--navy); border-radius: 20px; margin-top: 46px; overflow: hidden; padding: 22px; }
.teacher { align-items: center; background: linear-gradient(135deg, #6479ff, #9e76f4); border-radius: 14px; display: flex; font-size: 28px; font-weight: 900; height: 150px; justify-content: center; }
.class-window div { display: flex; gap: 7px; margin-top: 10px; }
.class-window i { background: #3d4968; border-radius: 7px; flex: 1; height: 48px; }
.progress-visual { background: rgba(255,255,255,.96); border-radius: 20px; color: var(--ink); display: grid; gap: 20px; padding: 35px; position: relative; }
.progress-visual div { display: flex; font-size: 12px; justify-content: space-between; }
.progress-visual i { background: linear-gradient(90deg, var(--lime) var(--w), #e8eaf0 var(--w)); border-radius: 999px; height: 14px; }
.score-badge { align-items: center; background: var(--navy); border: 7px solid var(--lime); border-radius: 50%; color: white; display: flex !important; font-size: 28px !important; font-weight: 900; height: 88px; justify-content: center !important; position: absolute; right: -25px; top: -35px; transform: rotate(8deg); width: 88px; }

.guide-section { background: #eef0f4; }
.guide-grid { display: grid; gap: 100px; grid-template-columns: .85fr 1.15fr; }
.guide-list { list-style: none; margin: 0; padding: 0; }
.guide-list li { border-top: 1px solid #cfd3dc; display: grid; gap: 28px; grid-template-columns: 44px 1fr; padding: 27px 0; }
.guide-list li:last-child { border-bottom: 1px solid #cfd3dc; }
.guide-list > li > span { color: var(--blue); font-size: 12px; font-weight: 800; }
.guide-list h3 { font-size: 21px; letter-spacing: -.04em; margin-bottom: 8px; }
.guide-list p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0; }

.cta-section { background: #eceaff; padding: 90px 0; }
.cta-inner { align-items: center; display: grid; gap: 42px; grid-template-columns: 92px 1fr auto; }
.cta-symbol { border-radius: 24px; height: 92px; object-fit: cover; transform: rotate(-8deg); width: 92px; }
.cta-inner p { font-size: 12px; font-weight: 800; margin: 0 0 13px; text-transform: uppercase; }
.cta-inner h2 { font-size: clamp(36px, 4.4vw, 62px); }
.cta-inner h2 em { color: var(--blue); }

.site-footer { background: #090f22; color: white; padding: 58px 0 36px; }
.footer-top { align-items: start; display: flex; justify-content: space-between; }
.footer-brand p { color: #8e98b0; font-size: 12px; line-height: 1.7; margin: 16px 0 0; }
.footer-links { display: flex; gap: 48px; }
.footer-links div { display: grid; gap: 10px; }
.footer-links strong { color: #7f8aa3; font-size: 10px; letter-spacing: .12em; margin-bottom: 5px; text-transform: uppercase; }
.footer-links a { font-size: 12px; opacity: .82; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); color: #758097; display: flex; font-size: 10px; justify-content: space-between; margin-top: 48px; padding-top: 25px; }

/* Detail pages */
.detail-hero { background: var(--navy); color: white; overflow: hidden; padding: 92px 0 86px; position: relative; }
.detail-hero::after { border: 1px solid rgba(200,255,61,.13); border-radius: 50%; content: ""; height: 500px; position: absolute; right: -150px; top: -280px; width: 500px; }
.breadcrumbs { color: #7f8aa4; display: flex; font-size: 11px; gap: 9px; margin-bottom: 42px; }
.breadcrumbs a:hover { color: white; }
.detail-hero-grid { align-items: end; display: grid; gap: 60px; grid-template-columns: 1.2fr .8fr; position: relative; z-index: 1; }
.detail-hero h1 { font-size: clamp(54px, 6vw, 84px); letter-spacing: -.07em; line-height: 1.05; margin-bottom: 0; }
.detail-hero h1 em { color: var(--lime); font-style: normal; }
.detail-hero-copy { border-left: 1px solid rgba(255,255,255,.17); padding-left: 30px; }
.detail-hero-copy p { color: #adb6cc; font-size: 16px; line-height: 1.78; margin: 0 0 22px; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.detail-tags span { background: rgba(255,255,255,.08); border-radius: 999px; color: #d8deeb; font-size: 10px; padding: 7px 10px; }
.detail-main { background: white; padding: 86px 0 110px; }
.detail-layout { align-items: start; display: grid; gap: 68px; grid-template-columns: 240px 1fr; }
.detail-sidebar { position: sticky; top: 110px; }
.detail-sidebar > span { color: #939aaa; display: block; font-size: 10px; font-weight: 800; letter-spacing: .15em; margin-bottom: 16px; text-transform: uppercase; }
.detail-local-nav { border-top: 1px solid var(--line); display: grid; }
.detail-local-nav a { border-bottom: 1px solid var(--line); color: #7a8295; font-size: 13px; padding: 14px 3px; }
.detail-local-nav a.is-active { color: var(--ink); font-weight: 800; }
.detail-sidebar-cta { background: var(--lime); border-radius: 16px; margin-top: 26px; padding: 20px; }
.detail-sidebar-cta strong { display: block; font-size: 16px; line-height: 1.45; }
.detail-sidebar-cta a { display: inline-block; font-size: 11px; font-weight: 800; margin-top: 20px; }
.detail-content { min-width: 0; }
.detail-intro { border-bottom: 1px solid var(--line); display: grid; gap: 42px; grid-template-columns: .85fr 1.15fr; padding-bottom: 62px; }
.detail-intro h2 { font-size: clamp(34px, 4vw, 54px); }
.detail-intro h2 em { color: var(--blue); }
.detail-intro > p { color: var(--muted); font-size: 17px; line-height: 1.9; margin: 0; }
.feature-section { padding: 64px 0; }
.feature-section-heading { align-items: end; display: flex; justify-content: space-between; margin-bottom: 28px; }
.feature-section-heading h3 { font-size: 27px; letter-spacing: -.04em; margin-bottom: 0; }
.feature-section-heading span { color: #949baa; font-size: 10px; text-transform: uppercase; }
.detail-feature-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.detail-feature { background: #f4f6f9; border-radius: 17px; min-height: 170px; padding: 23px; }
.detail-feature > span { align-items: center; background: var(--navy); border-radius: 8px; color: var(--lime); display: flex; font-size: 10px; font-weight: 800; height: 28px; justify-content: center; margin-bottom: 35px; width: 28px; }
.detail-feature h4 { font-size: 18px; letter-spacing: -.035em; margin: 0 0 8px; }
.detail-feature p { color: var(--muted); font-size: 13px; line-height: 1.65; margin: 0; }
.detail-note { background: #eef0ff; border-left: 3px solid var(--blue); color: #525d78; font-size: 13px; line-height: 1.7; margin: 4px 0 62px; padding: 17px 20px; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: -28px 0 62px; }
.detail-actions .button { border: 1px solid var(--line); color: var(--ink); }
.detail-actions .button.primary { background: var(--blue); border-color: var(--blue); color: white; }
.source-archive { background: #f4f5f7; border-radius: 22px; overflow: hidden; padding: 28px; }
.source-archive-head { align-items: center; display: flex; justify-content: space-between; margin-bottom: 24px; }
.source-archive-head div { display: grid; gap: 5px; }
.source-archive-head strong { font-size: 18px; }
.source-archive-head span, .source-archive-head > span { color: #8e96a8; font-size: 10px; }
.source-images { background: white; border: 1px solid #e5e7ec; border-radius: 15px; display: grid; gap: 26px; justify-items: center; overflow: hidden; padding: 24px; }
.source-images img { height: auto; max-width: 100%; }
.source-images img.compact { max-height: 280px; object-fit: contain; }
.app-guide { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); }
.app-guide article { border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.app-guide h4 { font-size: 18px; margin: 0 0 10px; }
.app-guide p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.store-row { align-items: center; display: flex; gap: 20px; }
.store-row img { height: 70px; object-fit: contain; width: 70px; }
.detail-pagination { border-top: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); margin-top: 65px; padding-top: 25px; }
.detail-pagination a { display: grid; gap: 7px; }
.detail-pagination a:last-child { text-align: right; }
.detail-pagination small { color: #979eac; font-size: 9px; text-transform: uppercase; }
.detail-pagination strong { font-size: 14px; }
.error-page { align-items: center; background: var(--navy); color: white; display: flex; min-height: 80vh; text-align: center; }
.error-page h1 { font-size: clamp(52px, 8vw, 100px); letter-spacing: -.07em; margin-bottom: 22px; }
.error-page p { color: #aeb7cc; margin-bottom: 28px; }

@media (max-width: 1050px) {
  .main-nav { gap: 17px; }
  .hero-layout { gap: 42px; }
  .dashboard-main { padding: 18px; }
  .stat-row { grid-template-columns: 1fr; }
  .stat-row article:nth-child(3) { display: none; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-grid > div { border-bottom: 1px solid rgba(255,255,255,.18); }
  .detail-layout { gap: 38px; grid-template-columns: 200px 1fr; }
}

@media (max-width: 820px) {
  .wrap { width: calc(100% - 40px); }
  .section { padding: 84px 0; }
  .menu-toggle { display: block; }
  .main-nav { background: var(--navy); border-top: 1px solid rgba(255,255,255,.1); display: none; flex-direction: column; gap: 0; left: 0; padding: 12px 20px 25px; position: absolute; right: 0; top: 78px; }
  .main-nav.is-open { display: flex; }
  .nav-group { width: 100%; }
  .nav-label, .main-nav > a { display: block; padding: 12px 0; text-align: left; width: 100%; }
  .dropdown { background: rgba(255,255,255,.06); border: 0; box-shadow: none; display: grid; left: auto; margin-bottom: 8px; min-width: 0; opacity: 1; padding: 5px; pointer-events: auto; position: static; transform: none; }
  .dropdown a { color: #c5ccdc; padding: 8px 10px; }
  .header-actions .login-link, .header-actions .lms-link { display: none; }
  .hero-home { min-height: auto; padding: 72px 0 80px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-proof { justify-content: center; }
  .dashboard-shell { margin-top: 20px; transform: none; }
  .floating-notice { left: 15px; }
  .split-heading, .guide-grid { gap: 38px; grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-card { min-height: 330px; }
  .solution-icon { margin: 25px 0; }
  .bento-wide { grid-template-columns: 1fr; }
  .phone-mock { display: none; }
  .bento-wide { min-height: 420px; }
  .cta-inner { grid-template-columns: 70px 1fr; }
  .cta-symbol { height: 70px; width: 70px; }
  .cta-inner .button { grid-column: 2; justify-self: start; }
  .detail-hero-grid, .detail-layout, .detail-intro { grid-template-columns: 1fr; }
  .detail-hero-copy { border-left: 0; border-top: 1px solid rgba(255,255,255,.17); padding: 26px 0 0; }
  .detail-sidebar { display: none; }
}

@media (max-width: 580px) {
  .wrap { width: calc(100% - 32px); }
  .header-inner { height: 68px; }
  .main-nav { top: 68px; }
  .hero-home { padding-top: 54px; }
  .hero-copy h1 { font-size: 46px; }
  .hero-copy h1 br { display: none; }
  .hero-lead { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .text-link { align-self: center; }
  .hero-proof { align-items: center; flex-direction: column; gap: 9px; }
  .dashboard-shell { margin-left: -20px; margin-right: -20px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .task-card { display: none; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid > div { min-height: 128px; }
  .solution-card { padding: 22px; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card, .bento-wide { grid-column: auto; min-height: 410px; padding: 27px; }
  .bento-card h3 { font-size: 32px; }
  .progress-visual { padding: 25px; }
  .cta-inner { display: flex; flex-direction: column; text-align: center; }
  .cta-inner .button { align-self: center; }
  .footer-top, .footer-bottom { flex-direction: column; gap: 28px; }
  .footer-links { display: grid; gap: 28px; grid-template-columns: repeat(2, 1fr); width: 100%; }
  .detail-hero { padding: 60px 0; }
  .detail-hero h1 { font-size: 50px; }
  .detail-main { padding: 60px 0 80px; }
  .detail-feature-grid, .detail-pagination, .app-guide { grid-template-columns: 1fr; }
  .detail-pagination a:last-child { text-align: left; }
  .source-archive { margin-left: -8px; margin-right: -8px; padding: 16px; }
  .source-images { padding: 10px; }
}