/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Open Sans', Arial, sans-serif; font-size: 14px; color: #333; background: #fff; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: #F08501; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== BRAND TOKENS ===== */
:root {
  --orange: #F08501; --orange-dark: #d97400; --orange-light: #fff3e0; --orange-border: #fcd9a0;
  --blue: #1a3c6e; --blue-mid: #2a5298;
  --text: #333; --text-light: #666; --text-muted: #999;
  --border: #e0e0e0; --border-light: #f0f0f0;
  --bg-light: #f5f7fa; --bg-section: #f8f9fb; --white: #fff;
  --shadow: 0 1px 4px rgba(0,0,0,0.08); --shadow-md: 0 2px 8px rgba(0,0,0,0.10);
  --radius: 4px; --radius-md: 6px;
}

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: 6px; font-family: 'Open Sans', Arial, sans-serif; font-size: 13px; font-weight: 600; padding: 8px 18px; border-radius: var(--radius); border: none; cursor: pointer; text-decoration: none; transition: all .15s; white-space: nowrap; line-height: 1.4; }
.btn:hover { text-decoration: none; }
.btn-orange { background: var(--orange); color: #fff; box-shadow: 0 1px 3px rgba(240,133,1,.3); }
.btn-orange:hover { background: var(--orange-dark); color: #fff; }
.btn-outline { background: #fff; color: #555; border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--orange); color: var(--orange); }
.btn-white-orange { background: #fff; color: var(--orange); border: 1.5px solid var(--orange); }
.btn-white-orange:hover { background: var(--orange); color: #fff; }
.btn-lg { padding: 10px 22px; font-size: 14px; }
.btn-sm { padding: 6px 14px; font-size: 12px; }

/* ===== PAGE HERO ===== */
.page-hero { background: var(--bg-light); border-bottom: 1px solid var(--border); padding: 28px 0 24px; }
.page-hero-inner { max-width: 1240px; margin: 0 auto; padding: 0 16px; display: flex; align-items: flex-start; gap: 24px; }
.page-hero-content { flex: 1; }
.page-hero-tag { display: inline-flex; align-items: center; gap: 6px; background: var(--orange); color: #fff; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 3px 10px; border-radius: 2px; margin-bottom: 10px; }
.page-hero h1 { font-family: 'Roboto', sans-serif; font-size: 26px; font-weight: 700; color: var(--blue); line-height: 1.3; margin-bottom: 10px; }
.page-hero-desc { font-size: 14px; color: var(--text-light); max-width: 680px; line-height: 1.75; margin-bottom: 16px; }
.page-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.page-hero-stats { display: flex; gap: 0; flex-shrink: 0; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; overflow: hidden; }
.hero-stat { padding: 14px 20px; text-align: center; border-right: 1px solid var(--border); }
.hero-stat:last-child { border-right: none; }
.hero-stat-num { font-family: 'Roboto', sans-serif; font-size: 22px; font-weight: 700; color: var(--orange); display: block; }
.hero-stat-lbl { font-size: 11px; color: var(--text-muted); display: block; margin-top: 2px; white-space: nowrap; }
.page-hero-tag svg{width: 14px;fill: var(--white);stroke: var(--brand);stroke-width: 0.9px;}
.page-hero-actions a svg{width: 14px;}


/* ===== PAGE LAYOUT ===== */
.page-body { max-width: 1240px; margin: 0 auto; padding: 24px 16px 40px; display: grid; grid-template-columns: 1fr 240px; gap: 28px; align-items: start; }
.main-col { min-width: 0; }

/* ===== TOC SIDEBAR ===== */
.page-body>aside { align-self: start; position: sticky; top: 74px; }
.toc-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.toc-header { background: var(--blue); color: #fff; padding: 10px 14px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; display: flex; align-items: center; gap: 7px; }
.toc-list { list-style: none; padding: 8px 0; }
.toc-list a { display: block; padding: 6px 14px; font-size: 12.5px; color: #555; border-left: 3px solid transparent; transition: all .15s; }
.toc-list a:hover { color: var(--orange); background: var(--orange-light); text-decoration: none; border-left-color: var(--orange); }
.toc-list a.active { color: var(--orange); font-weight: 600; border-left-color: var(--orange); background: var(--orange-light); }
.toc-divider { height: 1px; background: var(--border); margin: 4px 0; }
.toc-cta { margin: 10px; background: var(--orange-light); border: 1px solid var(--orange-border); border-radius: var(--radius); padding: 12px; text-align: center; }
.toc-cta p { font-size: 12px; color: #555; margin-bottom: 8px; line-height: 1.5; }
.toc-cta .btn { width: 100%; justify-content: center; font-size: 12px; }
.toc-header svg{width: 14px;}
.toc-cta svg{width: 14px;}

/* ===== CONTENT SECTIONS ===== */
.content-section { padding: 24px 0; border-bottom: 1px solid var(--border-light); }
.content-section:last-child { border-bottom: none; }
.section-heading { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.section-heading-bar { width: 4px; height: 22px; background: var(--orange); border-radius: 2px; flex-shrink: 0; }
.section-heading h2 { font-family: 'Roboto', sans-serif; font-size: 20px; font-weight: 700; color: var(--blue); }
.body-text { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 14px; }
.body-text strong { color: var(--text); }
.body-text em { color: var(--blue); font-style: normal; font-weight: 600; }

/* ===== DEFINITION BLOCK ===== */
.definition-block { background: var(--bg-light); border: 1px solid var(--border); border-left: 4px solid var(--orange); border-radius: var(--radius-md); padding: 20px 22px; margin-bottom: 16px; }
.def-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--orange); margin-bottom: 6px; }
.def-abbr { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.def-letter-box { background: var(--blue); color: #fff; padding: 4px 10px; border-radius: 3px; text-align: center; }
.dl-char { font-family: 'Roboto', sans-serif; font-size: 18px; font-weight: 700; display: block; }
.dl-word { font-size: 9px; color: rgba(255,255,255,.7); display: block; margin-top: 1px; text-transform: uppercase; letter-spacing: .04em; }
.definition-block p { font-size: 14px; color: var(--text); line-height: 1.75; font-style: italic; font-weight: 500; }
.usage-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.usage-tag { background: #fff; border: 1px solid var(--border); color: #555; font-size: 12px; padding: 3px 10px; border-radius: 100px; font-weight: 500;display: flex;align-items: center;gap: 6px;}
.usage-tag svg{width: 14px;fill: var(--orange);}


/* ===== ALERTS ===== */
.info-alert { background: #e8f4fd; border: 1px solid #b8d9f5; border-radius: var(--radius); padding: 12px 16px; font-size: 13.5px; color: #1a5276; line-height: 1.65; margin: 16px 0; display: flex; gap: 10px; align-items: flex-start; }
.info-alert i { flex-shrink: 0; color: #2980b9; margin-top: 2px; }
.tip-alert { background: var(--orange-light); border: 1px solid var(--orange-border); border-radius: var(--radius); padding: 12px 16px; font-size: 13.5px; color: #7a4200; line-height: 1.65; margin: 16px 0; display: flex; gap: 10px; align-items: flex-start; }
.tip-alert i { flex-shrink: 0; color: var(--orange); margin-top: 2px; }
.info-alert svg{margin-top: 5px;fill: #2980b9;flex-shrink: 0;width: 16px;}
.tip-alert svg{width: 14px;}
.tip-alert svg {width: 35px;fill: var(--orange);}

/* ===== CARDS GRID ===== */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.info-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 16px; transition: border-color .15s, box-shadow .15s; }
.info-card:hover { border-color: var(--orange); box-shadow: var(--shadow); }
.card-icon-wrap { width: 38px; height: 38px; background: var(--orange-light); border: 1px solid var(--orange-border); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--orange); font-size: 16px; margin-bottom: 12px; }
.info-card h3 { font-size: 13.5px; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.info-card p { font-size: 13px; color: var(--text-light); line-height: 1.65; }
.card-icon-wrap svg{width: 18px;fill: var(--orange);stroke: var(--orange);stroke-width: 1.5px;height: 100%;}

/* ===== COMPARISON TABLE ===== */
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); box-shadow: var(--shadow); }
.compare-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.compare-table th { background: var(--blue); color: #fff; padding: 11px 14px; text-align: left; font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.compare-table th:first-child { background: #122d56; }
.compare-table td { padding: 10px 14px; color: var(--text); vertical-align: top; border-bottom: 1px solid var(--border-light); line-height: 1.55; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:nth-child(even) td { background: var(--bg-section); }
.compare-table .feature-col { font-weight: 600; color: var(--blue); background: var(--bg-light) !important; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 2px; font-size: 11px; font-weight: 700; }
.badge-orange { background: var(--orange); color: #fff; }
.badge-blue { background: var(--blue-mid); color: #fff; }
.badge-green { background: #1a7a4a; color: #fff; }
.badge-grey { background: #666; color: #fff; }
.tick { color: #1a7a4a; } .cross { color: #c0392b; } .partial { color: #d97706; }

/* ===== PROCESS STEPS ===== */
.process-steps { position: relative; }
.process-step { display: flex; gap: 16px; margin-bottom: 16px; align-items: flex-start; }
.process-step:last-child { margin-bottom: 0; }
.step-indicator { flex-shrink: 0; display: flex; flex-direction: column; align-items: center; }
.step-num { width: 34px; height: 34px; border-radius: 50%; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; font-family: 'Roboto', sans-serif; flex-shrink: 0; }
.step-line { width: 2px; flex: 1; background: var(--border); margin-top: 6px; min-height: 24px; }
.process-step:last-child .step-line { display: none; }
.step-body { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; flex: 1; margin-bottom: 16px; transition: border-color .15s; }
.step-body:hover { border-color: var(--orange); }
.step-phase { font-size: 11px; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.step-body h3 { font-size: 14px; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.step-body p { font-size: 13px; color: var(--text-light); line-height: 1.65; }
.step-duration { display: inline-flex; align-items: center; gap: 4px; margin-top: 8px; font-size: 12px; color: var(--text-muted); font-weight: 600; background: var(--bg-section); padding: 3px 8px; border-radius: 2px; border: 1px solid var(--border-light); }
.step-duration svg {width: 12px;}

/* ===== ACCORDION ===== */
.accordion { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 12px; }
.accordion-head { display: flex; align-items: center; gap: 12px; padding: 13px 16px; background: #fff; cursor: pointer; border: none; width: 100%; text-align: left; font-family: inherit; transition: background .15s; }
.accordion-head:hover { background: var(--bg-light); }
.accordion.open .accordion-head { background: var(--orange-light); border-bottom: 1px solid var(--orange-border); }
.acc-num { width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; background: var(--blue); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }
.accordion.open .acc-num { background: var(--orange); }
.acc-title { font-size: 13.5px; font-weight: 700; color: var(--blue); flex: 1; }
.accordion.open .acc-title { color: var(--orange-dark); }
.acc-arrow { color: #aaa; font-size: 12px; transition: transform .25s; }
.accordion.open .acc-arrow { transform: rotate(180deg); color: var(--orange); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.accordion-body-inner { padding: 14px 16px 16px 52px; font-size: 13.5px; color: var(--text-light); line-height: 1.75; }
.accordion-body-inner ul { padding-left: 18px; margin-top: 8px; }
.accordion-body-inner li { margin-bottom: 5px; }
.faq-icon { color: #aaa; font-size: 12px; transition: transform .25s; }
.accordion.open .faq-icon { transform: rotate(180deg); color: var(--orange); }
.faq-icon{width: 14px;transition: transform var(--transition);}


/* ===== PURCHASE TYPE TABLE ===== */
.purchase-table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); box-shadow: var(--shadow); margin: 16px 0; }
.purchase-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.purchase-table th { background: var(--blue); color: #fff; padding: 10px 14px; text-align: left; font-weight: 600; font-size: 12.5px; }
.purchase-table td { padding: 9px 14px; color: var(--text-light); border-bottom: 1px solid var(--border-light); vertical-align: top; }
.purchase-table tr:last-child td { border-bottom: none; }
.purchase-table tr:nth-child(even) td { background: var(--bg-section); }
.purchase-table .col-param { font-weight: 600; color: var(--blue); background: var(--bg-light) !important; }

/* ===== INDUSTRY CARDS ===== */
.industry-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.industry-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; transition: border-color .15s, box-shadow .15s; }
.industry-card:hover { border-color: var(--orange); box-shadow: var(--shadow); }
.ind-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.ind-icon-wrap { width: 36px; height: 36px; border-radius: var(--radius); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 18px; background: var(--bg-light); border: 1px solid var(--border); }
.industry-card h3 { font-size: 13px; font-weight: 700; color: var(--blue); }
.industry-card p { font-size: 12.5px; color: var(--text-light); line-height: 1.6; }
.ind-tags { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 5px; }
.ind-tag { background: var(--bg-light); border: 1px solid var(--border); color: #666; font-size: 11px; padding: 2px 8px; border-radius: 2px; font-weight: 500; }

/* ===== STATS GRID ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 14px; text-align: center; border-top: 3px solid var(--orange); transition: box-shadow .15s; }
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-num { font-family: 'Roboto', sans-serif; font-size: 32px; font-weight: 700; color: var(--orange); display: block; line-height: 1.1; margin-bottom: 4px; }
.stat-label { font-size: 12.5px; font-weight: 700; color: var(--blue); display: block; margin-bottom: 4px; }
.stat-desc { font-size: 11.5px; color: var(--text-muted); line-height: 1.45; }
.checklist { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.checklist li { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #555; font-weight: 500; }
.checklist li i { color: #1a7a4a; font-size: 13px; }
.checklist li svg{fill: var(--green);width: 15px;}


/* ===== CTA BANNER ===== */
.cta-banner { background: var(--blue); border-radius: var(--radius-md); padding: 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cta-banner h3 { font-family: 'Roboto', sans-serif; font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.cta-banner p { font-size: 13.5px; color: rgba(255,255,255,.75); line-height: 1.6; }
.cta-buttons { display: flex; gap: 10px; flex-wrap: wrap; flex-shrink: 0; }
.cta-buttons svg{width: 14px;}

/* ===== FAQ ===== */
.faq-item { border-bottom: 1px solid var(--border-light); }
.faq-question { display: flex; align-items: center; gap: 12px; width: 100%; background: none; border: none; cursor: pointer; padding: 14px 0; text-align: left; font-family: inherit; font-size: 14px; font-weight: 600; color: var(--blue); transition: color .15s; }
.faq-question:hover { color: var(--orange); }
.faq-q-badge { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; font-family: 'Roboto', sans-serif; transition: all .2s; }
.faq-item.open .faq-q-badge { background: var(--blue); }
.faq-chevron { margin-left: auto; color: #bbb; font-size: 11px; transition: transform .25s; flex-shrink: 0; }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--orange); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer-inner { padding: 0 0 16px 34px; font-size: 13.5px; color: var(--text-light); line-height: 1.75; }
.faq-question .rfp-icon{width: 12px;transition: transform var(--transition);fill: #bbb;margin-left: auto;}
.open .faq-question .rfp-icon{transform: rotate(180deg);fill: var(--orange);}

/* ===== RELATED TERMS ===== */
.terms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.term-link { display: block; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 12px; text-decoration: none; transition: all .15s; text-align: center; }
.term-link:hover { border-color: var(--orange); background: var(--orange-light); text-decoration: none; }
.term-abbr { font-family: 'Roboto', sans-serif; font-size: 18px; font-weight: 700; color: var(--orange); display: block; margin-bottom: 3px; }
.term-full { font-size: 11.5px; font-weight: 600; color: var(--blue); display: block; margin-bottom: 3px; }
.term-hint { font-size: 11px; color: var(--text-muted); line-height: 1.4; }
.term-link:hover .term-abbr { color: var(--blue); }

/* ===== SUBSCRIBE ===== */
.subscribe-section { background: var(--bg-section); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; margin-top: 24px; }
.subscribe-section h3 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 6px; display: flex;}
.subscribe-section p { font-size: 13px; color: var(--text-light); margin-bottom: 14px; line-height: 1.6;display: flex; }
.subscribe-form { display: flex; gap: 8px; max-width: 460px; flex-wrap: wrap; }
.subscribe-form input { flex: 1; min-width: 200px; padding: 9px 14px; border: 1px solid var(--border); border-radius: var(--radius); font-family: inherit; font-size: 13px; outline: none; color: #333; transition: border-color .15s; }
.subscribe-form input:focus { border-color: var(--orange); }
.subscribe-form input::placeholder { color: #bbb; }
.subscribe-note { font-size: 11.5px; color: var(--text-muted); margin-top: 8px; }
.subscribe-section svg{width: 14px}


/* ===== PORTAL LIST ===== */
.portal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.portal-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; display: flex; align-items: flex-start; gap: 10px; transition: border-color .15s; }
.portal-card:hover { border-color: var(--orange); }
.portal-flag { font-size: 22px; flex-shrink: 0; }
.portal-info h4 { font-size: 13px; font-weight: 700; color: var(--blue); margin-bottom: 3px; }
.portal-info p { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
.portal-info a { font-size: 11.5px; color: var(--orange); font-weight: 600; }

/* ===== ANIMATE ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { opacity: 0; }
.animate-in.visible { animation: fadeInUp .4s ease forwards; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) { .page-body { grid-template-columns: 1fr; } .toc-wrap { display: none; } }
@media (max-width: 768px) { .page-hero-inner { flex-direction: column; } .page-hero-stats { display: none; } .cta-banner { flex-direction: column; } }
@media (max-width: 480px) { .page-hero h1 { font-size: 20px; } .cards-grid { grid-template-columns: 1fr 1fr; } .stats-grid { grid-template-columns: 1fr 1fr; } }