/* This stylesheet belongs only to the KASS IP review page. */
:root {
  --ipn-ink: #232720; --ipn-muted: #5c6158; --ipn-paper: #fdfcf8;
  --ipn-soft: #f2f3ed; --ipn-line: #dadcd2; --ipn-gold: #94691b;
  --ipn-gold-dark: #775215; --ipn-gold-soft: #f3ecd9; --ipn-danger: #ac281d;
  --ipn-radius: 8px; --ipn-ease: cubic-bezier(.22,1,.36,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
.ipn-page { margin: 0; background: var(--ipn-paper); color: var(--ipn-ink); font: 400 16px/1.65 'Be Vietnam Pro', sans-serif; }
.ipn-page :where(h1,h2,h3,h4,p,ul,figure,blockquote) { margin: 0; }
.ipn-page :where(h1,h2,h3) { text-wrap: balance; letter-spacing: -.025em; line-height: 1.2; }
.ipn-page p { text-wrap: pretty; }
.ipn-page a { color: inherit; text-underline-offset: 4px; }
.ipn-page :where(button,input,select,textarea) { font: inherit; }
.ipn-page :where(a,button) { touch-action: manipulation; -webkit-tap-highlight-color: #e9dcbd; }
.ipn-page :focus-visible { outline: 3px solid var(--ipn-gold); outline-offset: 4px; }
.ipn-page :where(img,svg) { display: block; max-width: 100%; }
.ipn-page [id] { scroll-margin-top: 96px; }
.ipn-container { width: min(1200px,calc(100% - 64px)); margin-inline: auto; }
.ipn-skip-link { position: fixed; top: 8px; left: 8px; transform: translateY(-160%); clip-path: inset(50%); padding: 12px; background: var(--ipn-ink); color: var(--ipn-paper) !important; z-index: 300; }
.ipn-skip-link:focus { transform: none; clip-path: none; }
.ipn-site-header { position: sticky; top: 0; z-index: 50; background: var(--ipn-paper); border-bottom: 1px solid var(--ipn-line); }
.ipn-header-inner { min-height: 80px; display: flex; align-items: center; gap: 32px; }
.ipn-brand img { width: 112px; height: auto; }
.ipn-nav { margin-left: auto; display: flex; gap: 24px; }
.ipn-nav a { text-decoration: none; font-size: 14px; font-weight: 600; min-height: 48px; display: flex; align-items: center; }
.ipn-nav a:hover { color: var(--ipn-gold-dark); text-decoration: underline; }
.ipn-btn,.ipn-header-cta { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 12px 20px; border: 1px solid transparent; border-radius: var(--ipn-radius); text-decoration: none; font-size: 14px; font-weight: 600; line-height: 1.5; cursor: pointer; transition: background-color .2s var(--ipn-ease),transform .2s var(--ipn-ease); }
.ipn-btn-primary,.ipn-header-cta { background: var(--ipn-ink); color: var(--ipn-paper) !important; }
.ipn-btn-gold { background: var(--ipn-gold-dark); color: var(--ipn-paper) !important; }
.ipn-btn-secondary { border-color: var(--ipn-line); background: transparent; }
.ipn-btn:hover,.ipn-header-cta:hover { transform: translateY(-2px); }
.ipn-btn-primary:hover,.ipn-header-cta:hover,.ipn-btn-gold:hover { background: var(--ipn-gold-dark); }
.ipn-btn-secondary:hover { background: var(--ipn-gold-soft); color: var(--ipn-ink) !important; }
.ipn-btn:active,.ipn-header-cta:active { transform: translateY(1px); }
.ipn-hero { padding: 64px 0; }
.ipn-hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: start; }
.ipn-hero-copy { padding-top: 24px; }
.ipn-kicker,.ipn-section-kicker { color: var(--ipn-gold-dark); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.ipn-hero h1 { margin-top: 24px; font-size: clamp(40px,4.2vw,56px); line-height: 1.14; letter-spacing: -.04em; font-weight: 700; }
.ipn-hero h1 span { display: block; }
.ipn-hero h1 em { color: var(--ipn-gold-dark); font-style: normal; }
.ipn-hero-lead { margin-top: 24px; max-width: 60ch; color: var(--ipn-muted); font-size: 18px; }
.ipn-service-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 24px; font-size: 14px; font-weight: 600; }
.ipn-service-links a { text-decoration-color: var(--ipn-line); }
.ipn-service-links a:hover { color: var(--ipn-gold-dark); }
.ipn-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.ipn-hero-actions .ipn-btn-secondary { padding-inline: 0; border: 0; text-decoration: underline; }
.ipn-hero-note { margin-top: 16px; font-size: 14px; color: var(--ipn-muted); }
.ipn-form-card { padding: 32px; background: #f2f1e9; border-radius: var(--ipn-radius); }
.ipn-form-card h2 { font-size: 28px; }
.ipn-form-intro { margin-top: 12px; font-size: 14px; color: var(--ipn-muted); }
.ipn-field { margin-top: 16px; }
.ipn-field label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; }
.ipn-required { color: var(--ipn-danger); }
.ipn-field :where(input,select,textarea) { width: 100%; min-width: 0; min-height: 48px; padding: 12px; border: 1px solid #b9bdb1; border-radius: 4px; color: var(--ipn-ink); background: var(--ipn-paper); font-size: 16px; line-height: 1.5; }
.ipn-field textarea { resize: vertical; min-height: 88px; }
.ipn-field :where(input,textarea)::placeholder { color: #666b60; }
.ipn-field.is-invalid :where(input,select,textarea) { border-color: var(--ipn-danger); }
.ipn-error { display: none; margin-top: 4px; color: var(--ipn-danger); font-size: 13px; }
.ipn-field.is-invalid .ipn-error { display: block; }
.ipn-form-submit { width: 100%; margin-top: 20px; }
.ipn-form-footnote { color: var(--ipn-muted); font-size: 12px; margin-top: 12px; }
.ipn-form-footnote:empty { display: none; }
.ipn-proof-strip { border-block: 1px solid var(--ipn-line); padding: 64px 0; background: var(--ipn-soft); }
.ipn-proof-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: center; }
.ipn-team-photo { min-width: 0; }
.ipn-proof-image { width: 100%; height: auto; border-radius: 4px; }
.ipn-team-photo figcaption { margin-top: 8px; color: var(--ipn-muted); font-size: 12px; }
.ipn-proof-copy h2 { font-size: clamp(28px,2.8vw,36px); }
.ipn-proof-copy p { margin-top: 16px; max-width: 65ch; color: var(--ipn-muted); }
.ipn-proof-link { margin-top: 24px; }
.ipn-proof-facts { display: grid; grid-template-columns: 1fr 1.35fr; gap: 24px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--ipn-line); }
.ipn-proof-facts strong { display: block; font-size: 40px; font-weight: 700; line-height: 1.2; color: var(--ipn-gold-dark); font-variant-numeric: tabular-nums; }
.ipn-proof-facts span { display: block; margin-top: 8px; font-size: 14px; line-height: 1.5; }
.ipn-clients { padding: 48px 0; border-bottom: 1px solid var(--ipn-line); }
.ipn-clients h2 { font-size: 24px; text-align: center; margin-bottom: 32px; }
.ipn-client-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.ipn-client-logos img { width: calc((100% - 80px)/6); height: 96px; padding: 12px; object-fit: contain; background: #fff; border-radius: 4px; }
.ipn-customer-reviews { background: #fff; }
.ipn-awards .ipn-section-head { text-align: center; margin-inline: auto; max-width: 900px; }
.ipn-awards-banner { padding: 32px 24px; border: 1px solid #e8ddc6; border-radius: 12px; background: #fff; }
.ipn-awards-banner img { width: 100%; height: auto; }
.ipn-awards-mobile { display: none; }
.ipn-review-heading { text-align: center; max-width: 1000px; margin: 0 auto 32px; }
.ipn-review-heading h2 { font-size: clamp(28px,3.4vw,44px); font-weight: 800; margin-top: 20px; }
.ipn-review-heading > p:last-child { color: #5b606a; margin-top: 20px; font-size: 18px; }
.ipn-rating-summary { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; width: fit-content; max-width: 100%; margin: 0 auto 48px; padding: 18px 36px; border: 1px solid #eceef0; border-radius: 60px; box-shadow: 0 4px 24px #1e293b05; }
.ipn-rating-summary > strong { color: #a95c00; font-size: 20px; }
.ipn-rating-summary > span:not(.ipn-review-stars) { color: #626977; font-size: 15px; }
.ipn-rating-summary b { color: #232720; }
.ipn-review-stars { display: inline-block; color: #fbbc04; letter-spacing: .035em; white-space: nowrap; font-size: 24px; line-height: 1.2; }
.ipn-rating-summary .ipn-review-stars { font-size: 28px; }
.ipn-review-carousel { position: relative; min-width: 0; }
.ipn-review-track { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; padding: 8px 1px 20px; align-items: stretch; }
.ipn-review-card { flex: 0 0 calc((100% - 48px)/3); min-width: 0; padding: 28px 24px 24px; border: 1px solid #eceef0; border-radius: 22px; box-shadow: 0 6px 24px #1e293b05; scroll-snap-align: start; display: flex; flex-direction: column; }
.ipn-review-person { display: grid; grid-template-columns: 48px minmax(0,1fr) 24px; gap: 12px; align-items: center; }
.ipn-review-person h3 { font-size: 15px; letter-spacing: -.02em; line-height: 1.4; }
.ipn-review-person p { font-size: 12px; color: #697080; margin-top: 5px; }
.ipn-avatar-wrap { position: relative; width: 48px; height: 48px; border-radius: 50%; background: #6274af; color: #fff; display: grid; place-items: center; overflow: hidden; font-size: 22px; }
.ipn-avatar-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ipn-avatar-wrap img[hidden] { display: none; }
.ipn-card-rating { display: flex; gap: 8px; align-items: center; margin-top: 20px; }
.ipn-review-check { width: 18px; height: 18px; }
.ipn-review-text { font-size: 16px; line-height: 1.75; color: #50596a; margin-top: 14px !important; overflow-wrap: anywhere; }
.ipn-review-track.is-enhanced .ipn-review-text:not(.is-expanded) { display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.ipn-review-more { align-self: start; background: none; border: 0; padding: 8px 0; min-height: 48px; margin-top: 8px; color: #a95c00; font-size: 15px; font-weight: 600; cursor: pointer; }
.ipn-review-more:hover { text-decoration: underline; }
.ipn-review-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 8px; }
.ipn-review-controls[hidden],.ipn-review-more[hidden] { display: none; }
.ipn-review-controls button { display: grid; place-items: center; width: 48px; height: 48px; background: #fff; border: 1px solid #e1e4e8; border-radius: 50%; color: #232b3a; font-size: 32px; cursor: pointer; box-shadow: 0 4px 16px #1e293b0a; }
.ipn-review-controls button:hover:not(:disabled) { background: var(--ipn-gold-soft); }
.ipn-review-controls button:disabled { opacity: .35; cursor: default; }
.ipn-review-position { font-size: 13px; color: #697080; }
@media (min-width: 1024px) {
  .ipn-review-controls button { position: absolute; top: 45%; z-index: 1; }
  .ipn-review-prev { left: -20px; }
  .ipn-review-next { right: -20px; }
}
.ipn-section { padding: 80px 0; border-bottom: 1px solid var(--ipn-line); }
.ipn-section-soft { background: var(--ipn-soft); }
.ipn-section-head { max-width: 800px; margin-bottom: 40px; }
.ipn-section-head h2 { font-size: clamp(28px,3.2vw,40px); }
.ipn-section-head .ipn-section-kicker + h2 { margin-top: 16px; }
.ipn-section-head p:not(.ipn-section-kicker) { margin-top: 16px; color: var(--ipn-muted); }
.ipn-map-layout { display: grid; grid-template-columns: 1fr 1.65fr 1fr; gap: 24px; align-items: center; }
.ipn-map-layout > figure { grid-column: 2; grid-row: 1 / span 2; }
.ipn-map-notes { display: contents; }
.ipn-map-note { min-width: 0; padding: 24px 0; border-top: 1px solid var(--ipn-line); }
.ipn-map-note:nth-child(1) { grid-column: 1; grid-row: 1; }
.ipn-map-note:nth-child(2) { grid-column: 1; grid-row: 2; }
.ipn-map-note:nth-child(3) { grid-column: 3; grid-row: 1; }
.ipn-map-note:nth-child(4) { grid-column: 3; grid-row: 2; }
.ipn-map-number { display: grid; place-items: center; width: 32px; height: 32px; margin-bottom: 16px; border: 1px solid var(--ipn-gold); color: var(--ipn-gold-dark); border-radius: 50%; font-weight: 600; }
.ipn-map-part { font-size: 12px; color: var(--ipn-gold-dark); font-weight: 600; margin-bottom: 8px !important; }
.ipn-map-note h3 { font-size: 22px; }
.ipn-map-note p:not(.ipn-map-part) { margin-top: 12px; color: var(--ipn-muted); font-size: 15px; }
.ipn-product-visual { position: relative; background: #f3f2e9; border-radius: var(--ipn-radius); padding: 0; }
.ipn-bottle-name { position: absolute; left: 28%; top: 49.5%; width: 23%; text-align: center; font-size: clamp(9px,1vw,12px); font-weight: 700; letter-spacing: .04em; color: #796747; }
.ipn-product-visual svg { width: 100%; height: auto; }
.ipn-map-caption { margin-top: 16px; font-size: 12px; color: var(--ipn-muted); }
.ipn-service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.ipn-service-module { display: flex; flex-direction: column; padding: 32px; background: var(--ipn-paper); border-top: 2px solid #c7b383; border-radius: 0 0 var(--ipn-radius) var(--ipn-radius); }
.ipn-service-heading { display: grid; grid-template-columns: 1fr 128px; gap: 16px; align-items: center; min-height: 128px; }
.ipn-service-art { background: var(--ipn-gold-soft); border-radius: var(--ipn-radius); }
.ipn-service-art svg { width: 100%; height: auto; }
.ipn-art-patent { background: #e9eeea; }
.ipn-art-design { background: #f1ecdf; }
.ipn-art-copyright { background: #e9eeea; }
.ipn-service-index { font-size: 14px; color: var(--ipn-gold-dark); font-weight: 600; }
.ipn-service-module h3 { font-size: 28px; margin-top: 8px; }
.ipn-service-situation { margin-top: 16px; color: var(--ipn-muted); }
.ipn-service-copy { margin-top: 24px; }
.ipn-service-copy h4 { font-size: 14px; margin-bottom: 8px; }
.ipn-service-list-items { list-style: none; padding: 0; margin-top: 16px !important; }
.ipn-service-list-items li { padding: 8px 0 8px 24px; position: relative; }
.ipn-service-list-items li::before { content: '✓'; position: absolute; left: 0; color: var(--ipn-gold-dark); }
.ipn-service-prep { padding-top: 16px; margin-top: 16px; border-top: 1px solid var(--ipn-line); }
.ipn-service-details { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--ipn-line); color: var(--ipn-muted); font-size: 16px; }
.ipn-service-details h4 { font-size: 14px; margin-bottom: 8px; color: var(--ipn-ink); }
.ipn-service-action { margin-top: auto; align-self: flex-start; }
.ipn-service-details + .ipn-service-action { margin-top: 24px; }
.ipn-comparison { margin-top: 64px; }
.ipn-comparison h2 { font-size: 32px; max-width: 800px; }
.ipn-comparison > .ipn-table-wrap { margin-top: 24px; }
.ipn-table-wrap { width: 100%; }
.ipn-table { width: 100%; border-collapse: collapse; table-layout: fixed; text-align: left; font-size: 15px; }
.ipn-table th,.ipn-table td { padding: 24px; border-bottom: 1px solid var(--ipn-line); vertical-align: top; overflow-wrap: anywhere; }
.ipn-table th { font-weight: 600; }
.ipn-table thead { color: var(--ipn-paper); background: var(--ipn-ink); }
.ipn-table thead th:first-child { width: 26%; }
.ipn-table tbody tr:nth-child(odd) { background: var(--ipn-paper); }
.ipn-table tbody th { color: var(--ipn-gold-dark); }
.ipn-consult-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.ipn-scope { background: var(--ipn-ink); color: var(--ipn-paper); }
.ipn-scope .ipn-section-head { max-width: 880px; }
.ipn-scope .ipn-section-head p { color: #d6d9cf; }
.ipn-scope-list { display: grid; }
.ipn-scope-list article { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; padding: 24px 0; border-top: 1px solid #51564b; }
.ipn-scope-list h3 { font-size: 22px; }
.ipn-scope-list p { color: #d6d9cf; }
.ipn-scope > .ipn-container > .ipn-btn { margin-top: 24px; border-color: #858c7b; }
.ipn-consult-offer { margin-top: 32px !important; padding-top: 24px; border-top: 1px solid var(--ipn-line); color: var(--ipn-muted); font-size: 14px; }
.ipn-consult-offer strong { color: var(--ipn-gold-dark); }
.ipn-output-grid { display: grid; gap: 24px; }
.ipn-output-card { padding-left: 24px; position: relative; }
.ipn-output-card::before { content: '↳'; position: absolute; left: 0; color: var(--ipn-gold); }
.ipn-consult-sheet { background: #fffef9; border: 1px solid #d7cdb8; border-top: 4px solid var(--ipn-gold); border-radius: 8px; padding: 32px; }
.ipn-sheet-label { font-size: 12px; font-weight: 700; color: var(--ipn-gold-dark); letter-spacing: .08em; }
.ipn-consult-sheet h3 { font-size: 28px; margin-top: 16px; }
.ipn-sheet-intro { margin-top: 16px !important; color: var(--ipn-muted); }
.ipn-sheet-result { padding: 20px; margin: 4px 0 20px; background: var(--ipn-gold-soft); border-radius: 4px; }
.ipn-sheet-result p { margin-top: 8px; font-size: 15px; }
.ipn-consult-sheet dl { margin: 24px 0 0; }
.ipn-consult-sheet dl div { border-top: 1px solid var(--ipn-line); padding: 20px 0; }
.ipn-consult-sheet dt { font-size: 16px; font-weight: 700; color: var(--ipn-gold-dark); }
.ipn-consult-sheet dd { margin: 8px 0 0; }
.ipn-fee-grid { display: grid; border-top: 1px solid var(--ipn-line); }
.ipn-fee-card { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; padding: 24px 0; border-bottom: 1px solid var(--ipn-line); }
.ipn-output-card h3,.ipn-fee-card h3 { font-size: 22px; }
.ipn-output-card p { margin-top: 8px; color: var(--ipn-muted); }
.ipn-fee-card p { color: var(--ipn-muted); }
.ipn-fee-note,.ipn-process-note { margin-top: 24px; font-size: 14px; color: var(--ipn-muted); }
.ipn-example-box { margin-top: 32px; padding: 32px; background: var(--ipn-gold-soft); border-radius: var(--ipn-radius); }
.ipn-example-box strong { display: block; margin-bottom: 8px; }
.ipn-example-box p { margin-top: 12px; }
.ipn-process { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; }
.ipn-process-step { position: relative; padding-top: 8px; }
.ipn-process-step:not(:last-child)::after { content: ''; position: absolute; left: 64px; right: -16px; top: 32px; border-top: 1px solid #c7b383; }
.ipn-process-step > span { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--ipn-gold-soft); color: var(--ipn-gold-dark); font-size: 20px; }
.ipn-process-step h3 { margin-top: 16px; font-size: 22px; }
.ipn-process-step p { margin-top: 12px; color: var(--ipn-muted); }
.ipn-process-step .ipn-step-delivery { padding-top: 16px; border-top: 1px solid var(--ipn-line); margin-top: 24px; font-size: 14px; color: var(--ipn-ink); }
.ipn-step-delivery strong { display: block; color: var(--ipn-gold-dark); margin-bottom: 8px; }
.ipn-deep-proof { display: grid; grid-template-columns: .95fr 1.05fr; gap: 48px; align-items: start; }
.ipn-working-photo { background: #fff; border: 1px solid var(--ipn-line); border-radius: 12px; overflow: hidden; }
.ipn-working-photo img { width: 100%; height: auto; }
.ipn-working-photo figcaption { padding: 24px; font-size: 15px; color: var(--ipn-muted); }
.ipn-working-photo figcaption strong { display: block; font-size: 19px; color: var(--ipn-ink); line-height: 1.45; }
.ipn-working-photo figcaption > span { display: block; margin-top: 8px; }
.ipn-working-photo figcaption a { display: inline-flex; gap: 8px; align-items: center; min-height: 48px; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--ipn-gold-dark); }
.ipn-deep-proof h2 { font-size: 32px; }
.ipn-proof-points { margin-top: 24px; }
.ipn-proof-point { padding: 16px 0; border-bottom: 1px solid var(--ipn-line); }
.ipn-proof-point strong,.ipn-proof-point span { display: block; }
.ipn-proof-point span { margin-top: 8px; color: var(--ipn-muted); }
.ipn-proof-next { margin-top: 32px; }
.ipn-proof-next .ipn-btn { margin-top: 16px; }
.ipn-faq { display: grid; gap: 0; border-top: 1px solid var(--ipn-line); }
.ipn-faq-item { border-bottom: 1px solid var(--ipn-line); }
.ipn-faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; cursor: pointer; list-style: none; padding: 22px 20px; min-height: 64px; font-size: 18px; font-weight: 600; line-height: 1.5; }
.ipn-faq-item summary::-webkit-details-marker { display: none; }
.ipn-faq-item summary::after { content: '+'; flex: 0 0 24px; text-align: center; font-size: 26px; line-height: 1; font-weight: 400; }
.ipn-faq-item[open] summary { background: var(--ipn-gold-soft); color: var(--ipn-gold-dark); }
.ipn-faq-item[open] summary::after { content: '−'; }
.ipn-faq-item summary:hover { background: var(--ipn-soft); }
.ipn-faq-answer { color: var(--ipn-muted); padding: 24px 20px 28px; max-width: 1040px; }
.ipn-faq-answer p + p { margin-top: 16px; }
.ipn-final-cta { padding: 80px 0; background: var(--ipn-ink); color: var(--ipn-paper); }
.ipn-final-cta h2 { font-size: clamp(32px,4vw,48px); max-width: 800px; }
.ipn-final-cta p { margin-top: 24px; max-width: 65ch; color: #d6d9cf; }
.ipn-final-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px; }
.ipn-final-cta .ipn-btn-gold { background: #ebd396; color: var(--ipn-ink) !important; }
.ipn-footer { padding: 64px 0 24px; }
.ipn-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.ipn-footer img { width: 144px; height: auto; margin-bottom: 24px; }
.ipn-footer p { margin-top: 16px; color: var(--ipn-muted); font-size: 14px; }
.ipn-footer h2 { font-size: 16px; margin-bottom: 16px; }
.ipn-footer-grid a { display: block; margin-bottom: 12px; font-size: 14px; }
.ipn-footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--ipn-line); display: flex; justify-content: space-between; font-size: 12px; color: var(--ipn-muted); }
.ipn-mobile-bar { display: none; }
.ipn-zalo-direct { display: flex; gap: 8px; align-items: center; min-height: 48px; padding: 12px 16px; background: #e5effb; color: #084794 !important; border-radius: var(--ipn-radius); font-size: 14px; font-weight: 600; text-decoration: none; }
.ipn-zalo-direct:hover { background: #cfdff4; }
.ipn-modal { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 24px; background: #222720cc; overflow-y: auto; overscroll-behavior: contain; }
.ipn-modal.is-open { display: grid; }
.ipn-modal-card { background: var(--ipn-paper); padding: 32px; border-radius: var(--ipn-radius); max-width: 480px; }
.ipn-modal-card h2 { font-size: 28px; margin-top: 16px; }
.ipn-modal-card p { margin-top: 16px; }
.ipn-modal-card .ipn-btn { width: 100%; margin-top: 24px; }
.ipn-modal-icon { color: var(--ipn-gold-dark); font-size: 32px; }
@media (max-width: 1023px) {
  .ipn-review-card { flex-basis: calc((100% - 24px)/2); }
  .ipn-proof-grid { grid-template-columns: .8fr 1.2fr; gap: 32px; }
  .ipn-proof-facts { gap: 16px; }
  .ipn-proof-facts strong { font-size: 32px; }
  .ipn-client-logos img { width: calc((100% - 48px)/4); }
  .ipn-header-inner { gap: 16px; flex-wrap: wrap; padding-block: 12px; }
  .ipn-header-cta { margin-left: auto; }
  .ipn-nav { order: 3; width: 100%; margin: 0; display: grid; grid-template-columns: auto auto auto auto; justify-content: space-between; gap: 8px; }
  .ipn-nav a { font-size: 13px; white-space: nowrap; }
  .ipn-site-header { position: relative; }
  .ipn-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .ipn-hero-copy { padding-top: 0; }
  .ipn-hero h1 { font-size: 48px; }
  .ipn-form-card { max-width: 680px; }
  .ipn-map-layout { grid-template-columns: 1fr 1.5fr; }
  .ipn-map-layout > figure { grid-column: 1; grid-row: 1; }
  .ipn-map-notes { display: flex; flex-direction: column; gap: 16px; }
  .ipn-map-note { display: flex; gap: 16px; padding: 16px 0; }
  .ipn-map-number { flex-shrink: 0; }
  .ipn-service-module { padding: 24px; }
  .ipn-service-module h3 { font-size: 24px; }
  .ipn-process { grid-template-columns: 1fr 1fr; }
  .ipn-process-step:nth-child(2)::after { display: none; }
  .ipn-consult-layout { gap: 32px; }
  .ipn-consult-sheet { padding: 24px; }
  .ipn-service-heading { grid-template-columns: 1fr 96px; }
}
@media (max-width: 767px) {
  .ipn-awards-banner { display: none; }
  .ipn-awards-mobile { display: grid; gap: 20px; }
  .ipn-awards-mobile figure { padding: 20px 12px 16px; border: 1px solid #e8ddc6; border-radius: 8px; background: #fff; }
  .ipn-awards-crop { position: relative; overflow: hidden; }
  .ipn-awards-crop img { position: absolute; top: 0; max-width: none; height: auto; }
  .ipn-awards-rankings { aspect-ratio: 615/161; }
  .ipn-awards-rankings img { width: 325.203%; left: 0; }
  .ipn-awards-leaders { aspect-ratio: 785/161; }
  .ipn-awards-leaders img { width: 254.778%; left: -78.344%; }
  .ipn-awards-community { aspect-ratio: 600/161; }
  .ipn-awards-community img { width: 333.333%; left: -233.333%; }
  .ipn-awards-mobile figcaption { margin-top: 12px; text-align: center; font-size: 13px; font-weight: 600; line-height: 1.5; }
  .ipn-scope-list article { grid-template-columns: 1fr; gap: 12px; }
  .ipn-process-step .ipn-step-delivery { grid-column: 2; margin-top: 8px; }
  html { scroll-padding-top: 16px; }
  .ipn-page [id] { scroll-margin-top: 16px; }
  .ipn-container { width: calc(100% - 32px); }
  .ipn-header-inner { gap: 4px; }
  .ipn-brand img { width: 96px; }
  .ipn-header-cta { min-height: 48px; padding: 8px 12px; font-size: 13px; }
  .ipn-nav { gap: 8px; }
  .ipn-nav a { font-size: 13px; min-height: 48px; }
  .ipn-zalo-direct { display: none; }
  .ipn-hero { padding: 32px 0 40px; }
  .ipn-hero h1 { font-size: clamp(29px,8.5vw,40px); margin-top: 16px; letter-spacing: -.04em; }
  .ipn-hero-lead { font-size: 16px; margin-top: 20px; }
  .ipn-service-links { font-size: 13px; margin-top: 20px; gap: 8px 12px; }
  .ipn-hero-actions { margin-top: 24px; gap: 8px; }
  .ipn-hero-actions .ipn-btn { width: 100%; }
  .ipn-hero-note { font-size: 13px; margin-top: 8px; }
  .ipn-form-card { padding: 24px 16px; }
  .ipn-form-card h2 { font-size: 24px; }
  .ipn-form-intro { font-size: 14px; }
  .ipn-proof-strip { padding: 32px 0; }
  .ipn-proof-grid { display: flex; flex-direction: column; align-items: stretch; gap: 24px; }
  .ipn-proof-copy h2 { font-size: 28px; }
  .ipn-team-photo { width: 100%; max-width: none; }
  .ipn-proof-link { align-self: flex-start; }
  .ipn-proof-facts { grid-template-columns: 1fr 1.2fr; gap: 16px; }
  .ipn-proof-facts span { font-size: 12px; }
  .ipn-clients { padding: 32px 0; }
  .ipn-clients h2 { font-size: 22px; margin-bottom: 24px; }
  .ipn-client-logos { gap: 8px; }
  .ipn-client-logos img { width: calc((100% - 16px)/3); height: 80px; padding: 8px; }
  .ipn-review-heading > p:last-child { font-size: 16px; }
  .ipn-rating-summary { padding: 20px 16px; border-radius: 20px; gap: 12px; margin-bottom: 28px; }
  .ipn-review-card { flex-basis: 100%; padding: 24px; }
  .ipn-review-track { gap: 16px; }
  .ipn-section { padding: 56px 0; }
  .ipn-section-head { margin-bottom: 32px; }
  .ipn-section-head h2 { font-size: 28px; }
  .ipn-map-layout { display: flex; flex-direction: column; gap: 32px; }
  .ipn-map-notes { width: 100%; }
  .ipn-map-note h3 { font-size: 22px; }
  .ipn-map-note p:not(.ipn-map-part) { font-size: 16px; }
  .ipn-service-list { grid-template-columns: 1fr; gap: 24px; }
  .ipn-service-module { padding: 24px 20px; }
  .ipn-service-heading { grid-template-columns: 1fr 88px; min-height: 104px; gap: 12px; }
  .ipn-service-module h3 { font-size: 24px; }
  .ipn-service-action { width: 100%; }
  .ipn-comparison { margin-top: 48px; }
  .ipn-comparison h2 { font-size: 28px; }
  .ipn-table,.ipn-table tbody { display: block; width: 100%; }
  .ipn-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .ipn-table tbody tr { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; background: var(--ipn-paper); padding: 20px 16px; margin-bottom: 12px; border-bottom: 1px solid var(--ipn-line); }
  .ipn-table tbody th { display: block; grid-column: 1/-1; padding: 0; font-size: 18px; border: 0; }
  .ipn-table td { display: block; padding: 0; font-size: 14px; border: 0; }
  .ipn-table td::before { content: attr(data-label); display: block; margin-bottom: 4px; color: var(--ipn-muted); font-size: 12px; font-weight: 600; }
  .ipn-consult-layout,.ipn-deep-proof { grid-template-columns: 1fr; gap: 24px; }
  .ipn-consult-sheet { transform: none; }
  .ipn-fee-card { grid-template-columns: 1fr; gap: 12px; }
  .ipn-example-box { padding: 24px; }
  .ipn-process { grid-template-columns: 1fr; gap: 24px; }
  .ipn-process-step { display: grid; grid-template-columns: 48px 1fr; gap: 8px 16px; padding-top: 0; }
  .ipn-process-step > span { grid-row: span 2; font-size: 20px; }
  .ipn-process-step:not(:last-child)::after { display: block; left: 24px; right: auto; top: 56px; bottom: -16px; border-top: 0; border-left: 1px solid #c7b383; }
  .ipn-process-step h3,.ipn-process-step p { margin-top: 0; }
  .ipn-deep-proof { gap: 32px; }
  .ipn-deep-proof h2 { font-size: 28px; }
  .ipn-faq-item { padding: 0; }
  .ipn-faq-item summary { font-size: 16px; gap: 12px; padding: 20px 12px; }
  .ipn-faq-answer { padding: 20px 12px 24px; }
  .ipn-final-cta { padding: 56px 0; }
  .ipn-final-cta h2 { font-size: 32px; }
  .ipn-final-actions .ipn-btn { width: 100%; }
  .ipn-footer { padding: 48px 0 112px; }
  .ipn-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .ipn-footer-bottom { gap: 24px; }
  .ipn-mobile-bar { display: grid; grid-template-columns: 1fr .8fr 1.2fr; gap: 8px; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: var(--ipn-paper); border-top: 1px solid var(--ipn-line); }
  .ipn-mobile-bar a { display: grid; place-items: center; min-height: 48px; text-decoration: none; border-radius: 4px; font-size: 12px; font-weight: 600; }
  .ipn-mobile-call { background: var(--ipn-soft); }
  .ipn-mobile-zalo { background: #e5effb; color: #084794 !important; }
  .ipn-mobile-form { background: var(--ipn-ink); color: var(--ipn-paper) !important; }
  .ipn-modal-card { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ipn-page * { transition: none !important; animation: none !important; }
}

.ipn-zalo-bubble { position: fixed; right: 24px; bottom: 24px; z-index: 65; display: flex; flex-direction: column; align-items: flex-end; gap: 18px; }
.ipn-zalo-greeting { position: relative; width: 320px; max-width: calc(100vw - 32px); background: #fff; border: 1px solid #f0f1f3; border-radius: 24px; box-shadow: 0 12px 48px #1322381c; }
.ipn-zalo-greeting[hidden] { display: none; }
.ipn-zalo-greeting > a { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: center; padding: 24px 30px 20px 20px; text-decoration: none; }
.ipn-zalo-greeting > a > img { border: 6px solid #f0f5ff; border-radius: 50%; width: 52px; height: 52px; }
.ipn-zalo-greeting strong { display: block; font-size: 18px; font-weight: 700; color: #151719; }
.ipn-zalo-greeting strong + span { display: block; font-size: 15px; line-height: 1.6; color: #686b70; margin-top: 4px; }
.ipn-zalo-chat-label { display: block; color: #0055d4; font-size: 13px; font-weight: 600; margin-top: 8px; }
.ipn-zalo-close { position: absolute; right: 0; top: 0; width: 48px; height: 48px; border: 0; background: transparent; color: #72767b; font-size: 24px; cursor: pointer; border-radius: 50%; }
.ipn-zalo-close:hover { background: #eff4fb; }
.ipn-zalo-launcher { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: #fff; border: 1px solid #e0ebff; box-shadow: 0 0 0 7px #0866ff08, 0 0 0 15px #0866ff04, 0 8px 24px #1a5ebe25; }
.ipn-zalo-launcher img { width: 48px; height: 48px; }
.ipn-zalo-launcher:hover { background: #edf5ff; }
@media (max-width: 767px) {
  .ipn-zalo-bubble { right: 16px; bottom: calc(84px + env(safe-area-inset-bottom)); gap: 12px; }
  .ipn-zalo-launcher { width: 56px; height: 56px; }
  .ipn-zalo-launcher img { width: 40px; height: 40px; }
  .ipn-zalo-greeting { width: 300px; }
}