/* Learning Lilia landing UI kit — layout only; all values come from the DS tokens */
html, body { overflow-x: clip; }
.kit { max-width: 1180px; margin: 0 auto; padding: 0 40px; }
.kit-hairline { border-top: 1px solid var(--border-subtle); }

/* Header */
.lp-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-subtle); }
.lp-header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.lp-brand { display: flex; align-items: center; gap: 10px; }
.lp-brand img { width: 30px; height: 30px; border-radius: 8px; }
.lp-brand span { font-weight: var(--fw-bold); font-size: calc(19px + 2pt); letter-spacing: var(--ls-tight); color: var(--ink-900); }
.lp-nav { display: flex; gap: 4px; }
.lp-nav a { font-size: var(--text-label); font-weight: var(--fw-medium); color: var(--text-secondary); padding: 8px 14px; border-radius: var(--radius-full); letter-spacing: var(--ls-tight); }
.lp-nav a:hover { color: var(--ink-900); background: var(--surface-muted); }
.lp-nav a.active { color: var(--red-600); background: var(--accent-soft); }
.lp-cta { font-size: var(--text-label); font-weight: var(--fw-semibold); color: var(--white); background: var(--red-600); padding: 9px 18px; border-radius: var(--radius-full); border: none; cursor: pointer; transition: background var(--dur-fast) var(--ease-out); letter-spacing: var(--ls-tight); }
.lp-cta:hover { background: var(--accent-hover); color: var(--white); }
.lp-burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }

/* Hero */
.hero { padding: 84px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 56px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; }
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--red-600); }
.hero h1 { margin: 0; font-size: clamp(44px, 6vw, var(--text-h1)); }
.hero .accent { color: var(--red-600); }
.hero p.sub { margin: 22px 0 0; max-width: 460px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; align-items: center; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; height: 440px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
.hero-badge { position: absolute; background: var(--white); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 12px 16px; box-shadow: var(--shadow-md); max-width: 210px; }
.hero-badge .k { font-family: var(--font-mono); font-size: calc(10px + 2pt); color: var(--red-600); text-transform: uppercase; letter-spacing: var(--ls-wide); }
.hero-badge .v { font-size: var(--text-label); font-weight: var(--fw-semibold); color: var(--ink-900); margin-top: 3px; }

/* Section scaffold */
.section { padding: 80px 0; }
.section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 44px; }
.section-num { font-family: var(--font-mono); font-size: var(--text-label); color: var(--red-600); }
.section-head h2 { margin: 0; max-width: 720px; }

/* Feature rows */
.feat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 40px 0; border-top: 1px solid var(--border-subtle); }
.feat-media { background: var(--surface-muted); border: 1px solid var(--border-default); border-radius: var(--radius-md); height: 300px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.feat-media img { width: 100%; height: 100%; object-fit: cover; }
.feat-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--ink-900); color: var(--white); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feat-text h3 { margin: 0 0 12px; }
.feat-index { font-family: var(--font-mono); font-size: var(--text-caption); color: var(--text-tertiary); }

/* Ops cards */
.ops-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ops-card { border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 26px; background: var(--white); display: flex; flex-direction: column; }
.ops-card h3 { margin: 0 0 14px; font-size: var(--text-title); }
.ops-objective { font-size: var(--text-label); color: var(--text-secondary); padding: 10px 12px; border-left: 2px solid var(--red-600); background: var(--surface-muted); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin-bottom: 18px; }
.ops-objective b { color: var(--ink-900); }
.ops-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ops-list li { padding: 13px 0; border-top: 1px solid var(--border-subtle); }
.ops-list li:first-child { border-top: none; }
.ops-list .lbl { font-size: var(--text-label); font-weight: var(--fw-semibold); color: var(--ink-900); }
.ops-list .desc { font-size: var(--text-label); color: var(--text-secondary); margin-top: 3px; line-height: var(--lh-normal); }

/* Contact */
.contact { background: var(--ink-900); color: var(--white); padding: 96px 0; text-align: center; }
.contact h2 { color: var(--white); max-width: 780px; margin: 0 auto; }
.contact .mail { display: inline-block; margin-top: 26px; font-size: var(--text-lead); font-weight: var(--fw-semibold); color: var(--red-600); }
.contact .mail:hover { color: var(--orange-500); }
.contact .legal { margin-top: 40px; font-size: var(--text-caption); color: var(--ink-500); text-transform: uppercase; letter-spacing: var(--ls-wide); }

@media (max-width: 900px) {
  .kit { padding: 0 20px; }
  .lp-nav, .hero-actions .ghost { display: none; }
  .lp-burger { display: block; }
  .hero-grid, .feat-row, .ops-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 48px 0; }
  .hero-visual img { height: 300px; }
}

/* ---------- Learning Lilia index additions ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.panel { border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 28px; background: var(--white); }
.panel-warn { background: var(--surface-muted); }

.check-list, .x-list, .dash-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.check-list li, .x-list li, .dash-list li { position: relative; padding: 9px 0 9px 26px; border-top: 1px solid var(--border-subtle); font-size: var(--text-label); color: var(--text-secondary); line-height: var(--lh-normal); }
.check-list li:first-child, .x-list li:first-child, .dash-list li:first-child { border-top: none; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--red-600); font-weight: var(--fw-bold); }
.x-list li::before { content: "×"; position: absolute; left: 2px; color: var(--ink-500); font-weight: var(--fw-bold); }
.dash-list li::before { content: "—"; position: absolute; left: 0; color: var(--ink-300); }

.sol-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--border-subtle); border-left: 1px solid var(--border-subtle); }
.sol-item { border-right: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); padding: 20px 18px 24px; }

.mod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mod-card { display: block; border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 22px; background: var(--white); color: inherit; text-decoration: none; transition: border-color var(--dur-fast) var(--ease-out); }
.mod-card:hover { color: inherit; }
a.mod-card:hover { border-color: var(--ink-900); }
a.mod-card:hover .mod-link { color: var(--orange-500); }
.mod-top { display: flex; align-items: center; justify-content: space-between; }
.mod-num { font-family: var(--font-mono); font-size: var(--text-caption); color: var(--red-600); }
.mod-tag { font-family: var(--font-mono); font-size: calc(9px + 2pt); text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--white); background: var(--red-600); padding: 3px 8px; border-radius: var(--radius-full); }
.mod-featured { border-color: var(--red-600); box-shadow: inset 0 0 0 1px var(--red-600); }
.mod-featured:hover { background: var(--alpha-red-08); }
.mod-link { display: inline-block; margin-top: 12px; font-size: var(--text-label); font-weight: var(--fw-semibold); color: var(--red-600); }
.mod-featured:hover .mod-link { color: var(--orange-500); }

.str-list { display: flex; flex-direction: column; }
.str-row { display: grid; grid-template-columns: 60px 300px 1fr; gap: 24px; align-items: baseline; padding: 22px 0; border-top: 1px solid var(--border-subtle); }
.report-visual { margin-top: 44px; }

.user-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.user-card { border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 24px; background: var(--white); }

.phase-chip { display: inline-block; font-family: var(--font-mono); font-size: calc(11px + 2pt); text-transform: uppercase; letter-spacing: var(--ls-wide); padding: 5px 12px; border-radius: var(--radius-full); }
.phase-chip.now { background: var(--red-600); color: var(--white); }
.phase-chip.next { background: var(--surface-muted); color: var(--text-secondary); border: 1px solid var(--border-default); }

.breadcrumb { padding: 20px 0 0; font-size: var(--text-label); }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--red-600); }
.breadcrumb .sep { color: var(--ink-300); margin: 0 8px; }

@media (max-width: 900px) {
  .two-col, .user-grid { grid-template-columns: 1fr; }
  .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .mod-grid { grid-template-columns: 1fr 1fr; }
  .str-row { grid-template-columns: 1fr; gap: 8px; }
}