/* =========================================================
   Azolo – website bán phần mềm quản lý khách sạn
   ========================================================= */
:root {
  --navy: #00465c;        /* teal đậm – tiêu đề, nền tối */
  --navy-2: #006786;      /* teal thương hiệu Azolo */
  --brand: #006786;
  --brand-light: #8cbac8;
  --blue: #00799c;
  --orange: #f27a1a;
  --orange-dark: #d9650b;
  --ink: #142235;
  --ink-2: #4a5a70;
  --muted: #6b7a8f;
  --line: #dde8ec;
  --tint: #f1f7f9;
  --white: #fff;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -12px rgba(0, 56, 74, .25);
  --shadow-lg: 0 30px 60px -20px rgba(0, 56, 74, .35);
  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--ink); background: var(--white); }
img, svg { max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { text-wrap: balance; line-height: 1.25; margin: 0 0 .5em; color: var(--navy); letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 800; }
h2, .h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
code { background: var(--tint); padding: 1px 5px; border-radius: 4px; font-size: .9em; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.icon { flex-shrink: 0; vertical-align: middle; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip-link:focus { left: 8px; }

:focus-visible { outline: 3px solid rgba(0, 121, 156, .45); outline-offset: 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 2px solid transparent;
  font: 600 1rem/1.2 var(--font); white-space: nowrap; cursor: pointer; text-decoration: none !important;
  transition: background .15s, color .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px -8px rgba(242, 122, 26, .7); }
.btn-primary:hover { background: var(--orange-dark); }
.btn-outline { background: #fff; color: var(--navy); border-color: #c9d4e3; }
.btn-outline:hover { border-color: var(--navy); }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: transparent; }
.btn-ghost:hover { background: var(--tint); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn-sm { padding: 8px 16px; font-size: .92rem; }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.center-link { text-align: center; margin-top: 36px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 4px 20px -12px rgba(0, 56, 74, .3); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 12px; color: var(--brand); text-decoration: none !important; }
.logo-mark { flex-shrink: 0; display: block; }
.logo-word { font-family: "Noto Serif", Georgia, "Times New Roman", serif; font-weight: 700; font-size: 1.25rem; letter-spacing: .22em; margin-right: -.22em; line-height: 1; color: var(--brand); }
.logo-light .logo-word { color: #fff; }
.logo-light { color: #fff; }
.main-nav { display: flex; gap: 2px; align-self: stretch; align-items: center; }
.nav-link { white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; color: var(--ink-2); font: 500 1rem var(--font); padding: 8px 14px; border-radius: 8px; background: none; border: 0; cursor: pointer; }
.nav-link:hover { color: var(--navy); background: var(--tint); text-decoration: none; }
.nav-link.is-active { color: var(--navy); font-weight: 650; }
.nav-link .chevron { transition: transform .2s; }
.nav-item { align-self: stretch; display: flex; align-items: center; }
.has-mega:hover .chevron, .has-mega.is-open .chevron { transform: rotate(180deg); }
.mega { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 24px 40px -20px rgba(0, 56, 74, .35); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .18s, transform .18s, visibility .18s; }
.has-mega:hover .mega, .has-mega:focus-within .mega, .has-mega.is-open .mega { opacity: 1; visibility: visible; transform: none; }
.mega-grid { display: grid; grid-template-columns: 1.1fr repeat(4, 1fr); gap: 28px; padding-top: 28px; padding-bottom: 32px; }
.mega-col { display: flex; flex-direction: column; gap: 4px; }
.mega-col-segments { background: var(--tint); border-radius: 14px; padding: 16px; }
.mega-title { font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.mega-segment { display: flex; flex-direction: column; padding: 8px 10px; border-radius: 10px; color: var(--navy); }
.mega-segment:hover { background: #fff; text-decoration: none; }
.mega-segment b { font-size: .95rem; }
.mega-segment span { font-size: .8rem; color: var(--muted); }
.mega-product { display: flex; gap: 10px; align-items: flex-start; padding: 8px; border-radius: 10px; color: var(--ink); }
.mega-product:hover { background: var(--tint); text-decoration: none; }
.mega-product b { display: block; font-size: .92rem; color: var(--navy); line-height: 1.3; }
.mega-product small { display: block; font-size: .78rem; color: var(--muted); line-height: 1.4; }
.pmark { display: inline-grid; place-items: center; flex-shrink: 0; width: 36px; height: 36px; border-radius: 10px; font-size: .72rem; font-weight: 800; letter-spacing: .02em; color: var(--c, var(--blue)); background: color-mix(in srgb, var(--c, var(--blue)) 12%, #fff); border: 1px solid color-mix(in srgb, var(--c, var(--blue)) 25%, #fff); }
.header-login { display: inline-flex; align-items: center; gap: 6px; color: var(--navy); font-weight: 600; margin-right: 4px; white-space: nowrap; }
.nav-cta-mobile { display: none; }
.header-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.header-phone { display: inline-flex; align-items: center; gap: 6px; color: var(--navy); font-weight: 600; margin-right: 6px; white-space: nowrap; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 8px; color: var(--navy); cursor: pointer; }
.nav-toggle .when-open { display: none; }
.nav-open .nav-toggle .when-open { display: inline; }
.nav-open .nav-toggle .when-closed { display: none; }

/* ---------- Common sections ---------- */
.section { padding: 96px 0; }
.section-tight { padding: 48px 0; }
.section-tint { background: var(--tint); }
.section-dark { background: var(--navy); color: #d6e2f0; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .eyebrow { color: #ffb072; }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head p:last-child { color: var(--ink-2); font-size: 1.08rem; }
.section-dark .section-head p:last-child { color: #b9c9dc; }
.eyebrow { display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--orange-dark); margin-bottom: 12px; }
.lead { font-size: 1.15rem; color: var(--ink-2); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; background:
  radial-gradient(900px 480px at 85% 10%, rgba(0, 121, 156, .10), transparent 60%),
  radial-gradient(700px 400px at 0% 100%, rgba(242, 122, 26, .10), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 .hl { color: var(--orange); white-space: nowrap; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-actions.center { justify-content: center; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--ink-2); font-size: .95rem; }
.hero-points li { display: inline-flex; align-items: center; gap: 6px; }
.hero-points .icon { color: var(--green); }

.hero-visual { position: relative; }
.mock-window { background: #fff; border-radius: 18px; box-shadow: var(--shadow-lg); border: 1px solid var(--line); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; background: var(--tint); border-bottom: 1px solid var(--line); font-size: .8rem; color: var(--muted); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d4dbe5; }
.mock-bar i:first-child { background: #f87171; } .mock-bar i:nth-child(2) { background: #fbbf24; } .mock-bar i:nth-child(3) { background: #34d399; }
.mock-bar span { margin-left: 10px; font-weight: 600; }
.mock-body { padding: 18px; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.mock-stats div { background: var(--tint); border-radius: 10px; padding: 10px 12px; }
.mock-stats small { display: block; font-size: .72rem; color: var(--muted); }
.mock-stats strong { font-size: 1.25rem; color: var(--navy); }
.room-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.room { border-radius: 9px; padding: 8px 9px; font-size: .72rem; line-height: 1.35; border: 1px solid; min-height: 54px; }
.room b { display: block; font-size: .9rem; }
.room span { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.room-occupied { background: #e4f2f6; border-color: #b5d6e0; color: #00607a; }
.room-booked { background: #fff3e6; border-color: #ffd2a8; color: #a14a05; }
.room-clean { background: #eafaf0; border-color: #b7e8c8; color: #13703a; }
.room-dirty { background: #fdecec; border-color: #f6c0c0; color: #a12020; }
.mock-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; font-size: .72rem; color: var(--muted); }
.lg::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.lg-occupied::before { background: #7fb8c9; } .lg-booked::before { background: #ffb36b; } .lg-clean::before { background: #7fd6a0; } .lg-dirty::before { background: #f19a9a; }
.mock-toast { position: absolute; left: -28px; bottom: -44px; display: flex; gap: 12px; align-items: center; background: #fff; border-radius: 14px; padding: 12px 16px; box-shadow: var(--shadow); border: 1px solid var(--line); max-width: 330px; animation: float 5s ease-in-out infinite; }
.mock-toast b { display: block; font-size: .88rem; color: var(--navy); }
.mock-toast small { color: var(--muted); font-size: .76rem; }
.toast-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(22, 163, 74, .18); flex-shrink: 0; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---------- OTA strip ---------- */
.ota-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 0; text-align: center; }
.ota-strip p { color: var(--muted); font-size: .9rem; margin-bottom: 12px; }
.ota-strip ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 44px; }
.ota-strip li { font-weight: 750; font-size: 1.2rem; color: #8a9ab0; letter-spacing: -.01em; }

/* ---------- Cards ---------- */
.pain-grid, .feature-grid, .quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pain-card, .feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.pain-card p, .feature-card p { color: var(--ink-2); margin: 0; }
.pain-icon, .feature-icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: #fff1e5; color: var(--orange-dark); margin-bottom: 16px; }
.feature-icon { background: #e4f2f6; color: var(--blue); }
.feature-card { transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.segment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.segment-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.segment-card:hover { border-color: var(--blue); box-shadow: var(--shadow); text-decoration: none; }
.segment-card p { color: var(--ink-2); font-size: .95rem; flex: 1; }
.segment-size { display: inline-block; align-self: flex-start; font-size: .78rem; font-weight: 700; color: var(--navy-2); background: var(--tint); border-radius: 999px; padding: 3px 12px; margin-bottom: 14px; }

.quote-card { margin: 0; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.quote-card blockquote { margin: 0 0 20px; font-size: 1.05rem; color: #eef3f9; flex: 1; }
.quote-card figcaption b { display: block; color: #fff; }
.quote-card figcaption span { font-size: .88rem; color: #9fb3cb; }

/* ---------- Plans ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px; }
.plan-card.is-popular { border: 2px solid var(--orange); box-shadow: var(--shadow-lg); }
.plan-badge { position: absolute; top: -13px; left: 28px; background: var(--orange); color: #fff; font-size: .78rem; font-weight: 700; border-radius: 999px; padding: 4px 12px; }
.plan-for { color: var(--muted); margin-bottom: 18px; }
.plan-price { margin-bottom: 22px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.plan-price strong { font-size: 2rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; }
.plan-price span { color: var(--muted); }
.plan-card .check-list { flex: 1; margin-bottom: 26px; }

.check-list { list-style: none; padding: 0; margin: 0 0 1em; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; color: var(--ink-2); }
.check-list .icon { color: var(--green); margin-top: 3px; }

/* ---------- Pricing calculator ---------- */
.calc { display: grid; grid-template-columns: 1.4fr 1fr; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.calc-inputs { padding: 36px; }
.calc-inputs h2 { font-size: 1.5rem; }
.calc-label { display: block; font-weight: 600; margin: 18px 0 10px; }
.calc-rooms { display: flex; align-items: center; gap: 14px; }
.calc-rooms input[type=range] { flex: 1; accent-color: var(--orange); height: 28px; }
.calc-rooms input[type=number] { width: 90px; padding: 10px; font: 600 1.05rem var(--font); border: 1px solid var(--line); border-radius: 10px; text-align: center; }
.calc-billing { display: inline-flex; gap: 4px; background: var(--tint); padding: 4px; border-radius: 999px; margin-top: 26px; }
.calc-billing label { position: relative; padding: 8px 18px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: .95rem; color: var(--ink-2); }
.calc-billing input { position: absolute; opacity: 0; }
.calc-billing label:has(input:checked) { background: #fff; color: var(--navy); box-shadow: 0 2px 8px -2px rgba(0, 56, 74, .25); }
.calc-billing label:has(input:focus-visible) { outline: 3px solid rgba(0, 121, 156, .45); }
.calc-billing em { font-style: normal; color: var(--green); font-size: .85rem; }
.calc-result { background: var(--navy); color: #cfdcec; padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.calc-result small { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; }
.calc-plan { color: #fff; font-size: 1.3rem; margin: 4px 0 8px; }
.calc-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.calc-price small { text-transform: none; letter-spacing: 0; font-size: 1rem; }
.calc-price span { color: #fff; font-size: 2.4rem; font-weight: 800; letter-spacing: -.02em; }
.calc-note { font-size: .92rem; min-height: 3em; }
.fine-print { color: var(--muted); font-size: .85rem; margin: 14px 0 0; text-align: center; }

.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 620px; }
.compare-table th, .compare-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: center; }
.compare-table thead th { background: var(--tint); color: var(--navy); font-weight: 700; }
.compare-table thead th.is-popular { color: var(--orange-dark); }
.compare-table tbody th { text-align: left; font-weight: 500; color: var(--ink); }
.compare-table tr:last-child th, .compare-table tr:last-child td { border-bottom: 0; }
.compare-table .yes { color: var(--green); }
.compare-table .no { color: #b6c2d1; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 30px 18px 0; font-weight: 600; color: var(--navy); position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 400; color: var(--orange); transition: transform .2s; }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { color: var(--ink-2); padding-bottom: 18px; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy), var(--navy-2)); color: #d6e2f0; padding: 72px 0; }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; max-width: 560px; }
.cta-band-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Inner pages ---------- */
.page-hero { padding: 72px 0 48px; background: linear-gradient(180deg, var(--tint), #fff); }
.chip-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 26px; }
.chip { padding: 8px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--navy); font-weight: 600; font-size: .95rem; }
.chip:hover { border-color: var(--navy); text-decoration: none; }

.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 48px 0; border-bottom: 1px solid var(--line); }
.feature-row:last-child { border-bottom: 0; }
.feature-row.is-reversed .feature-row-copy { order: 2; }
.feature-illus { background: linear-gradient(140deg, #e4f2f6, #fff4ea); border-radius: 20px; padding: 40px; display: grid; gap: 14px; min-height: 280px; align-content: center; }
.feature-illus-icon { color: var(--navy); margin-bottom: 8px; }
.feature-illus-line { display: flex; align-items: center; gap: 12px; background: #fff; border-radius: 12px; padding: 12px 16px; box-shadow: 0 6px 16px -10px rgba(0, 56, 74, .4); font-weight: 600; font-size: .95rem; color: var(--navy); }
.feature-illus-line i { width: 10px; height: 10px; border-radius: 50%; background: var(--orange); flex-shrink: 0; }

.segment-list { display: grid; gap: 32px; }
.segment-detail { border: 1px solid var(--line); border-radius: 20px; padding: 36px; background: #fff; }
.segment-detail-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.segment-detail-head h2 { margin: 0; }
.segment-detail-head .segment-size { margin: 0; }
.segment-detail-body { display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px; }
.problem, .solution { border-radius: 14px; padding: 22px 24px; }
.problem { background: #fdf2f2; }
.problem h3 { color: var(--red); display: flex; gap: 8px; align-items: center; font-size: 1rem; }
.solution { background: #effaf3; }
.solution h3 { color: var(--green); display: flex; gap: 8px; align-items: center; font-size: 1rem; }
.problem p, .solution p { color: var(--ink); }
.segment-detail-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Forms ---------- */
.form-page { padding: 64px 0 96px; background: linear-gradient(180deg, var(--tint), #fff 60%); }
.form-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.form-intro { padding-top: 16px; }
.form-intro h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.form-switch { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-2); }
.form-switch a { font-weight: 600; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 36px; box-shadow: var(--shadow); }
.form-card h2 { font-size: 1.4rem; margin-bottom: 22px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; min-width: 0; }
.field label { font-weight: 600; font-size: .93rem; color: var(--navy); }
.field label i { color: var(--orange-dark); font-style: normal; }
.field input, .field select, .field textarea, .admin-filter input, .admin-filter select {
  width: 100%; padding: 12px 14px; border: 1px solid #cdd7e4; border-radius: var(--radius-sm);
  font: 400 1rem var(--font); color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus, .admin-filter input:focus, .admin-filter select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 121, 156, .15); }
.field textarea { resize: vertical; }
.field .input-validation-error { border-color: var(--red); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-error { color: var(--red); font-size: .86rem; }
.field-error:empty { display: none; }
.field-check label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--ink-2); font-size: .92rem; cursor: pointer; }
.field-check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--orange); flex-shrink: 0; }
.hint { color: var(--muted); font-size: .85rem; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert { border-radius: 10px; padding: 12px 16px; margin-bottom: 18px; font-size: .95rem; }
.alert-error { background: #fdecec; color: #8f1d1d; border: 1px solid #f6c0c0; }

.contact-cards { display: grid; gap: 12px; margin-top: 28px; }
.contact-card { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; color: var(--ink); }
a.contact-card:hover { border-color: var(--blue); text-decoration: none; }
.contact-card .pain-icon { margin: 0; }
.contact-card small { display: block; color: var(--muted); font-size: .82rem; }

.thanks { padding: 110px 0; }
.thanks-icon { display: inline-grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: #eafaf0; color: var(--green); margin-bottom: 24px; }
.error-code { font-size: 5rem; font-weight: 800; color: var(--orange); line-height: 1; margin-bottom: 12px; }

/* ---------- Footer ---------- */
.site-footer { background: #002f3d; color: #9fb3cb; padding: 64px 0 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand p { margin-top: 14px; max-width: 340px; }
.site-footer h3 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.site-footer a { color: #c6d4e5; display: block; padding: 3px 0; }
.site-footer a:hover { color: #fff; }
.site-footer .logo { display: inline-flex; padding: 0; }
.footer-contact { display: flex; align-items: center; gap: 8px; margin: 0 0 6px; }
.footer-contact a { display: inline; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 48px; padding: 22px 20px; font-size: .85rem; }

.float-contact { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 40; }
.float-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 52px; height: 52px; border-radius: 26px; color: #fff; box-shadow: var(--shadow); font-weight: 700; font-size: .85rem; text-decoration: none !important; }
.float-zalo { background: #0068ff; padding: 0 16px; }
.float-call { background: var(--orange); animation: ring 2.4s ease-in-out infinite; }
@keyframes ring { 0%, 100% { box-shadow: 0 0 0 0 rgba(242, 122, 26, .5); } 50% { box-shadow: 0 0 0 12px rgba(242, 122, 26, 0); } }

/* ---------- Admin ---------- */
.admin { padding: 36px 0 64px; }
.admin-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.admin-head h1 { margin-bottom: 4px; }
.admin-actions { display: flex; gap: 8px; align-items: center; }
.admin-actions form { margin: 0; }
.admin-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.admin-filter input { flex: 1 1 260px; width: auto; }
.admin-filter select { width: auto; flex: 0 0 auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 1000px; }
.admin-table th { text-align: left; background: var(--tint); color: var(--navy); padding: 12px 14px; font-weight: 700; white-space: nowrap; }
.admin-table td { padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.admin-table td.note { max-width: 280px; color: var(--ink-2); }
.admin-table td.empty { text-align: center; color: var(--muted); padding: 40px; }
.admin-table form { margin: 0; }
.tag { display: inline-block; font-size: .78rem; font-weight: 700; border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.tag-trial { background: #e4f2f6; color: #00607a; }
.tag-demo { background: #fff3e6; color: #a14a05; }
.tag-contact { background: #eef1f5; color: #44546a; }
.status-select { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); font: 600 .85rem var(--font); cursor: pointer; }
.status-new { background: #fff7ed; color: #a14a05; }
.status-contacted { background: #e4f2f6; color: #00607a; }
.status-won { background: #eafaf0; color: #13703a; }
.status-lost { background: #f1f3f6; color: #6b7a8f; }
.pager { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 18px; }
.pager a { min-width: 38px; text-align: center; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); color: var(--navy); }
.pager a.is-active { background: var(--navy); color: #fff; border-color: var(--navy); }
.login-wrap { max-width: 420px; }
.login-wrap h1 { margin-bottom: 20px; }

/* =========================================================
   Trang chủ v2 – hero có form, hệ sinh thái, tabs, slider
   ========================================================= */
.flip { transform: scaleX(-1); }
.eyebrow-light { color: #ffb072; }

.hero2 { position: relative; overflow: hidden; color: #cfdcec; padding: 72px 0 132px;
  background:
    radial-gradient(700px 420px at 90% 0%, rgba(140, 186, 200, .35), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(242, 122, 26, .22), transparent 60%),
    linear-gradient(160deg, #003a4d 0%, #005670 55%, #003a4d 100%); }
.hero2::before { content: ""; position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 70%); }
.hero2-grid { position: relative; display: grid; grid-template-columns: 1.2fr .9fr; gap: 64px; align-items: center; }
.hero2 h1 { color: #fff; font-size: clamp(2.1rem, 4.4vw, 3.4rem); }
.hero2 .hl { color: var(--orange); }
.hero2 .lead { color: #c3d3e6; max-width: 600px; }
.hero2-points { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 10px; }
.hero2-points li { display: flex; align-items: center; gap: 10px; color: #e6eef8; }
.hero2-points .icon { color: #4ade80; background: rgba(74, 222, 128, .14); border-radius: 50%; padding: 3px; width: 24px; height: 24px; }
.hero2-otas { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); }
.hero2-otas span { font-size: .85rem; color: #8ea5c0; }
.hero2-otas b { font-size: 1.05rem; color: #dbe6f3; font-weight: 700; opacity: .85; }

.quick-card { background: #fff; color: var(--ink); border-radius: 22px; padding: 32px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .55); }
.quick-card h2 { font-size: 1.45rem; margin-bottom: 4px; }
.quick-card > p { color: var(--muted); font-size: .95rem; margin-bottom: 20px; }
.quick-card .field { margin-bottom: 14px; }
.quick-consent { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--ink-2); margin: 4px 0 18px; cursor: pointer; }
.quick-consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--orange); flex-shrink: 0; }
.quick-alt { display: block; text-align: center; margin-top: 14px; font-weight: 600; font-size: .92rem; }

.stats-wrap { position: relative; margin-top: -72px; z-index: 2; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); border: 1px solid var(--line); }
.stat { padding: 28px 26px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat strong { display: block; font-size: 1.85rem; font-weight: 800; color: var(--navy); letter-spacing: -.02em; line-height: 1.2; }
.stat span { color: var(--ink-2); font-size: .92rem; }

.eco { display: grid; gap: 18px; }
.eco-row { display: grid; grid-template-columns: 260px 1fr; gap: 28px; align-items: center; padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(90deg, var(--tint), #fff 40%); }
.eco-head h3 { font-size: 1.25rem; margin-bottom: 4px; }
.eco-head p { color: var(--muted); margin: 0; font-size: .95rem; }
.eco-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.eco-card { display: flex; align-items: center; gap: 12px; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); transition: border-color .2s, box-shadow .2s, transform .2s; }
.eco-card:hover { border-color: var(--c, var(--blue)); box-shadow: 0 12px 24px -16px var(--c, var(--blue)); transform: translateY(-2px); text-decoration: none; }
.eco-card .pmark { width: 44px; height: 44px; font-size: .8rem; border-radius: 12px; }
.eco-card-text { flex: 1; min-width: 0; }
.eco-card-text b { display: block; color: var(--navy); line-height: 1.3; }
.eco-card-text small { display: block; color: var(--muted); font-size: .84rem; line-height: 1.4; }
.eco-arrow { color: #b6c2d1; transition: color .2s, transform .2s; }
.eco-card:hover .eco-arrow { color: var(--c, var(--blue)); transform: translateX(3px); }

.showcase { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: center; }
.showcase-visual { position: relative; padding-bottom: 30px; }
.showcase-visual .mock-window { transform: perspective(1400px) rotateY(6deg); }
.showcase-visual .mock-toast { left: auto; right: -20px; bottom: 0; }
.showcase-copy .check-list { margin: 22px 0 28px; }

.seg-tabs { border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.seg-tablist { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--tint); border-bottom: 1px solid var(--line); }
.seg-tab { display: flex; align-items: center; gap: 12px; padding: 18px 20px; background: none; border: 0; border-bottom: 3px solid transparent; font: inherit; text-align: left; cursor: pointer; color: var(--ink-2); }
.seg-tab span { display: flex; flex-direction: column; line-height: 1.3; }
.seg-tab b { color: var(--navy); font-size: .98rem; }
.seg-tab small { font-size: .8rem; color: var(--muted); }
.seg-tab:hover { background: #eaf0f7; }
.seg-tab[aria-selected="true"] { background: #fff; border-bottom-color: var(--orange); color: var(--orange-dark); }
.seg-panel { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; padding: 40px; }
.seg-panel[hidden] { display: none; }
.seg-panel h3 { font-size: 1.6rem; }
.seg-pain { display: flex; gap: 10px; align-items: flex-start; background: #fdf2f2; color: #8f1d1d; border-radius: 12px; padding: 12px 14px; font-size: .95rem; }
.seg-pain .icon { margin-top: 3px; color: var(--red); }
.seg-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.seg-panel-visual { position: relative; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 10px; padding: 32px; border-radius: 18px; color: var(--navy);
  background: radial-gradient(300px 200px at 100% 0%, rgba(242, 122, 26, .18), transparent 70%), linear-gradient(140deg, #e4f2f6, #f7f9fc); }
.seg-big-icon { color: var(--navy); opacity: .9; margin-bottom: 4px; }
.seg-size-big { font-size: 2rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 8px; }
.seg-chip { background: #fff; border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: .92rem; box-shadow: 0 6px 16px -10px rgba(0, 56, 74, .45); }

.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head-row h2 { margin: 0; }
.slider-nav { display: flex; gap: 10px; }
.slider-btn { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: transparent; color: #fff; cursor: pointer; transition: background .15s; }
.slider-btn:hover { background: rgba(255,255,255,.1); }
.quote-track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 48px) / 3); gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: 4px; }
.quote-track::-webkit-scrollbar { display: none; }
.quote-track .quote-card { scroll-snap-align: start; }
.stars { display: flex; gap: 2px; color: #fbbf24; margin-bottom: 14px; }
.stars .icon { fill: currentColor; }
.quote-card figcaption { display: flex; align-items: center; gap: 12px; }
.quote-card figcaption small { display: block; font-size: .85rem; color: #9fb3cb; }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--orange); color: #fff; font-weight: 800; flex-shrink: 0; }

.connect { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; padding: 44px; border-radius: 22px; background: var(--tint); }
.connect-head p:last-child { color: var(--ink-2); margin: 0; }
.connect-groups { display: grid; gap: 22px; }
.connect-label { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.logo-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.logo-wall span { display: grid; place-items: center; height: 58px; padding: 0 10px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-weight: 750; color: #52627a; text-align: center; line-height: 1.2; }

.commit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.commit-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.commit-card p { color: var(--ink-2); margin: 0; font-size: .95rem; }

.faq-split { display: grid; grid-template-columns: .8fr 1.4fr; gap: 56px; align-items: start; }
.faq-side { position: sticky; top: 100px; }
.faq-side p:not(.eyebrow) { color: var(--ink-2); }

.prose h2 { font-size: 1.3rem; margin-top: 1.6em; }
.prose p { color: var(--ink-2); }

/* Footer v2 */
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { margin: 0 0 6px; }
.footer-company { margin-top: 18px !important; color: #fff; }
.footer-hotlines { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; max-width: 380px; }
.footer-hotlines a { display: block; padding: 10px 14px; border-radius: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.footer-hotlines a:hover { background: rgba(255,255,255,.1); text-decoration: none; }
.footer-hotlines small { display: block; font-size: .78rem; color: #8ea5c0; }
.footer-hotlines b { color: #fff; font-size: 1.05rem; }
.footer-col h3.mt { margin-top: 22px; }
.footer-social { display: flex; gap: 8px; }
.footer-social a { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); padding: 0; }
.footer-social a:hover { background: rgba(255,255,255,.18); }

@media (max-width: 1080px) {
  .eco-row { grid-template-columns: 1fr; gap: 16px; }
  .commit-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .seg-tab { padding: 14px; }
  .seg-tab .icon { display: none; }
}
@media (max-width: 900px) {
  .hero2 { padding: 48px 0 110px; }
  .hero2-grid, .showcase, .seg-panel, .connect, .faq-split { grid-template-columns: 1fr; }
  .hero2-grid { gap: 36px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .showcase { gap: 40px; }
  .showcase-visual .mock-window { transform: none; }
  .showcase-visual .mock-toast { right: 12px; }
  .seg-tablist { grid-template-columns: repeat(2, 1fr); }
  .seg-panel { padding: 28px 22px; gap: 28px; }
  .quote-track { grid-auto-columns: 82%; }
  .connect { padding: 28px 22px; gap: 28px; }
  .faq-side { position: static; }
}
@media (max-width: 600px) {
  .quick-card { padding: 24px 18px; }
  .stat { padding: 18px 16px; }
  .stat strong { font-size: 1.4rem; }
  .eco-row { padding: 18px; }
  .commit-grid, .footer-top, .footer-hotlines { grid-template-columns: 1fr; }
  .quote-track { grid-auto-columns: 90%; }
  .seg-tab small { display: none; }
  .seg-panel-visual { padding: 22px; }
  .seg-size-big { font-size: 1.5rem; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  .header-cta .btn-outline { display: none; }
}
@media (max-width: 1080px) {
  .header-phone { display: none; }
  .mega-grid { grid-template-columns: repeat(3, 1fr); }
  .segment-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .section { padding: 64px 0; }
  .header-inner { height: 64px; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; gap: 2px; background: #fff;
    padding: 12px 20px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav-open .main-nav { transform: none; opacity: 1; visibility: visible; }
  .main-nav { align-items: stretch; max-height: calc(100vh - 64px); overflow-y: auto; }
  .nav-link { width: 100%; justify-content: space-between; padding: 12px 8px; font-size: 1.05rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-item { display: block; }
  .has-mega:hover .chevron { transform: none; }
  .has-mega.is-open .chevron { transform: rotate(180deg); }
  .mega, .has-mega:hover .mega, .has-mega:focus-within .mega { position: static; box-shadow: none; border: 0; opacity: 1; visibility: visible; transform: none; display: none; }
  .has-mega.is-open .mega { display: block; }
  .mega .container { padding: 0; }
  .mega-grid { grid-template-columns: 1fr; gap: 14px; padding: 12px 0; }
  .nav-cta-mobile { display: grid; gap: 10px; margin-top: 16px; }

  .hero { padding: 48px 0 80px; }
  .hero-grid, .form-grid, .feature-row, .calc, .segment-detail-body { grid-template-columns: 1fr; }
  .hero-grid { gap: 48px; }
  .mock-window { transform: none; }
  .mock-toast { position: relative; left: 0; bottom: 0; margin: -18px 12px 0; animation: none; }
  .feature-row { gap: 28px; padding: 36px 0; }
  .feature-row.is-reversed .feature-row-copy { order: 0; }
  .feature-illus { min-height: 0; padding: 28px; }
  .pain-grid, .feature-grid, .quote-grid, .plan-grid { grid-template-columns: 1fr; }
  .plan-grid { max-width: 460px; margin: 0 auto; }
  .form-grid { gap: 32px; }
  .calc-inputs, .calc-result { padding: 28px 24px; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .container { padding: 0 16px; }
  .hero h1 .hl { white-space: normal; }
  .hero-actions .btn { width: 100%; }
  .segment-grid, .field-row, .footer-grid { grid-template-columns: 1fr; }
  .room-grid { grid-template-columns: repeat(3, 1fr); }
  .room-grid .room:nth-child(n+10) { display: none; }
  .form-card, .segment-detail { padding: 24px 18px; }
  .calc-rooms input[type=number] { width: 76px; }
  .float-zalo span { display: none; }
  .float-zalo { padding: 0; width: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}