/* TapHoaMMO AI Tool - VNRIC | Cobalt Edition
   Brand color sampled from customer reference image: #1242D4 (18, 66, 212)
   Layout: premium Vietnamese software storefront, fully responsive. */
:root {
  --brand: #1242d4;
  --brand-hover: #0c35b8;
  --brand-active: #0a2b93;
  --brand-soft: #edf2ff;
  --brand-wash: #f6f8ff;
  --navy: #14213e;
  --ink: #171f33;
  --body: #536079;
  --muted: #8793aa;
  --line: #e7ebf3;
  --surface: #fff;
  --page: #f7f9fd;
  --radius: 16px;
  --shadow: 0 12px 35px rgba(24,47,100,.045);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.6 'Be Vietnam Pro', ui-sans-serif, system-ui, -apple-system, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }
img, svg { vertical-align: middle; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #80a3ff; outline-offset: 3px; }
.container { width: min(1280px, calc(100% - 52px)); margin-left: auto; margin-right: auto; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; border: 1px solid transparent; border-radius: 13px; min-height: 48px; padding: 12px 21px; font-size: 13px; font-weight: 800; line-height: 1.35; transition: background .2s, border-color .2s, box-shadow .2s, transform .2s; white-space: nowrap; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--brand); color: #fff; box-shadow: 0 7px 15px rgba(18,66,212,.14); }
.button-primary:hover { background: var(--brand-hover); box-shadow: 0 12px 26px rgba(18,66,212,.18); }
.button-white { background: #fff; color: var(--brand); }
.button-white:hover { background: var(--brand-soft); }
.button-secondary { background: #edf2ff; color: var(--brand); border-color: #c9d8ff; }
.button-secondary:hover { background: #e3ebff; }
.eyebrow { font-size: 10px; font-weight: 850; letter-spacing: 1.8px; text-transform: uppercase; color: var(--brand); }

/* Header: efficient shopping-first navigation */
.announcement { min-height: 33px; background: #152344; color: #d9e4ff; display: flex; justify-content: center; align-items: center; gap: 11px; padding: 5px 18px; font-size: 10px; font-weight: 600; letter-spacing: .14px; }
.announcement > svg { color: #9fbcff; }
.announcement a { color: #fff; font-weight: 800; display: inline-flex; align-items: center; gap: 4px; padding-left: 13px; border-left: 1px solid #53617f; }
.site-header { background: #fff; z-index: 30; position: relative; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 85px; display: grid; grid-template-columns: minmax(215px,1fr) minmax(310px,480px) minmax(180px,1fr); align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; }
.logo-signet { position: relative; overflow: hidden; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--brand); color: #fff; box-shadow: 0 7px 15px rgba(18,66,212,.17); }
.logo-signet span { font-family: Manrope, sans-serif; font-weight: 850; font-size: 29px; transform: translateY(-1px); }
.logo-signet i { position: absolute; height: 5px; width: 5px; background: #fff; border-radius: 50%; right: 6px; top: 6px; }
.brand-copy { display: flex; flex-direction: column; gap: 1px; line-height: 1.15; }
.brand-copy strong { font-family: Manrope, 'Be Vietnam Pro', sans-serif; font-size: 20px; font-weight: 850; letter-spacing: -1px; color: #111a30; }
.brand-period { color: var(--brand); }
.brand-copy small { font-size: 9px; letter-spacing: 1.85px; font-weight: 850; color: #61708e; }
.global-search { display: flex; align-items: center; gap: 12px; min-height: 45px; width: 100%; text-align: left; padding: 0 14px; background: #f8faff; border: 1px solid #e6ebf5; border-radius: 11px; color: #8290ab; font-size: 12px; }
.global-search:hover { border-color: #c9d6f5; background: #f5f8ff; }
.global-search > svg { color: var(--brand); flex-shrink: 0; }
.global-search span { flex: 1; }
.global-search kbd { border: 1px solid #e5e9f3; background: white; color: #8692a7; border-radius: 5px; padding: 2px 6px; font: 10px Manrope,sans-serif; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 14px; }
.header-help { display: flex; align-items: center; gap: 10px; }
.help-icon { color: var(--brand); width: 42px; height: 42px; display: grid; place-items: center; background: var(--brand-soft); border-radius: 12px; }
.help-copy { display: flex; flex-direction: column; gap: 1px; line-height: 1.3; white-space: nowrap; }
.help-copy small { font-size: 10px; color: #8e98a8; }
.help-copy strong { font-size: 12px; color: var(--ink); }
.help-copy strong:hover { color: var(--brand); }
.mobile-toggle { display: none; background: transparent; border: 0; color: var(--ink); }
.site-nav { min-height: 49px; border-top: 1px solid #f0f2f7; background: #fff; }
.nav-inner { display: flex; align-items: center; gap: 31px; min-height: 49px; }
.nav-inner > a, .nav-dropdown > a { display: inline-flex; align-items: center; gap: 5px; min-height: 49px; border-bottom: 2px solid transparent; padding: 2px 0 0; color: #526078; font-size: 11px; font-weight: 750; white-space: nowrap; }
.nav-inner > a:hover, .nav-dropdown > a:hover, .nav-inner a.active { color: var(--brand); border-color: var(--brand); }
.nav-inner .nav-highlight { color: var(--brand); border: 0; margin-left: auto; }
.nav-dropdown { position: relative; }
.dropdown-panel { display: none; position: absolute; top: calc(100% - 2px); left: -16px; padding: 9px; background: white; border: 1px solid var(--line); width: 235px; border-radius: 11px; box-shadow: 0 15px 40px #15234422; z-index: 60; }
.nav-dropdown:hover .dropdown-panel, .nav-dropdown:focus-within .dropdown-panel { display: block; }
.dropdown-panel a { display: flex; gap: 12px; align-items: center; border-radius: 7px; padding: 10px; color: #536078; font-size: 11px; font-weight: 650; }
.dropdown-panel a:hover { background: var(--brand-soft); color: var(--brand); }
.mobile-menu { display: none; }
.demo-notice { background: #fff8e7; border-bottom: 1px solid #f6e8c8; padding: 7px 20px; text-align: center; color: #996e24; font-size: 10px; font-weight: 650; }

/* Homepage: editorial white hero + accurate brand-blue product stage */
.home-page { padding-top: 27px; padding-bottom: 86px; }
.hero { display: grid; grid-template-columns: 55% 45%; background: #fff; border: 1px solid #e7ebf5; border-radius: 23px; overflow: hidden; min-height: 440px; box-shadow: 0 16px 55px #172b5e0b; }
.hero-copy { padding: 66px 35px 52px 63px; position: relative; z-index: 2; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--brand); text-transform: uppercase; font-size: 10px; letter-spacing: 1.5px; font-weight: 850; }
.eyebrow-dot { width: 7px; height: 7px; display: inline-block; background: var(--brand); border-radius: 50%; box-shadow: 0 0 0 4px #e5edff; }
.hero h1 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: clamp(35px,3.6vw,53px); letter-spacing: -2.6px; line-height: 1.19; font-weight: 850; color: #111b32; margin: 24px 0 18px; }
.hero h1 span { color: var(--brand); }
.hero-copy > p { max-width: 490px; color: #69768e; font-size: 14px; line-height: 1.95; margin: 0; }
.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 21px; margin-top: 28px; }
.hero-cta .button { min-height: 51px; border-radius: 12px; padding-inline: 23px; }
.hero-textlink { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 850; color: #243c6a; }
.hero-textlink:hover { color: var(--brand); }
.hero-cred { display: flex; gap: 23px; margin-top: 40px; flex-wrap: wrap; }
.hero-cred-item { display: flex; align-items: center; gap: 7px; font-size: 10px; font-weight: 700; color: #63738b; }
.hero-cred-item svg { color: var(--brand); }
.hero-scene { position: relative; display: grid; place-items: center; isolation: isolate; overflow: hidden; background: var(--brand); min-height: 440px; }
.hero-scene::before { content: ''; position: absolute; border-radius: 50%; width: 500px; height: 500px; border: 1px solid #ffffff27; transform: translate(142px,-110px); }
.hero-scene::after { content: ''; position: absolute; border-radius: 50%; width: 370px; height: 370px; border: 1px solid #ffffff22; transform: translate(140px,-110px); }
.scene-orb { position: absolute; width: 370px; height: 370px; background: #6d9cff4d; filter: blur(55px); border-radius: 50%; right: -100px; bottom: -160px; }
.scene-grid { position: absolute; inset: 0; opacity: .14; background-image: radial-gradient(#fff 1px,transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(90deg,transparent,#000); }
.scene-caption { position: absolute; font: 800 10px Manrope,sans-serif; color: #ffffffad; letter-spacing: 2px; top: 28px; right: 33px; }
.scene-caption span { opacity: .45; padding: 0 4px; }
.scene-main-card { z-index: 1; width: min(84%,390px); padding: 22px 22px 16px; background: #fff; border: 1px solid #ffffff88; border-radius: 20px; transform: rotate(-5deg) translateY(6px); box-shadow: 0 30px 65px #061c6d7d; }
.scene-main-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; color: #7a849a; font-size: 9px; font-weight: 850; letter-spacing: 1.1px; }
.scene-mini-logo { display: grid; place-items: center; width: 29px; height: 29px; background: var(--brand); border-radius: 8px; color: #fff; font-size: 17px; font-family: Manrope,sans-serif; font-weight: 900; }
.scene-dots { font-size: 14px; letter-spacing: 1px; color: #bcc7db; }
.scene-main-title { font-family: Manrope,sans-serif; font-size: clamp(15px,2vw,21px); font-weight: 750; line-height: 1.27; margin: 22px 0 14px; color: #202b46; letter-spacing: -.8px; }
.scene-main-title strong { color: var(--brand); }
.scene-mini-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; }
.scene-icon { aspect-ratio: 1; display: grid; place-items: center; border-radius: 12px; font-size: 23px; font-weight: 850; background: #e9eefd; color: #254dba; }
.scene-icon-b { background: #fff1ea; color: #d47441; }
.scene-icon-c { background: #e8faf4; color: #158875; }
.scene-icon-d { background: #f2eaff; color: #8955bb; }
.scene-main-foot { display: flex; justify-content: space-between; gap: 8px; color: #8a97ac; border-top: 1px solid #edf0f7; padding-top: 15px; margin-top: 20px; font: 850 8px Manrope,sans-serif; letter-spacing: 1px; }
.scene-main-foot span:last-child { color: var(--brand); font-size: 14px; }
.scene-float { position: absolute; z-index: 2; background: #fff; border: 1px solid #ffffff8c; box-shadow: 0 12px 30px #0e288b50; border-radius: 11px; font-size: 10px; font-weight: 850; color: #183159; padding: 11px 14px; }
.scene-float-1 { bottom: 52px; left: 8px; transform: rotate(3deg); display: flex; align-items: center; gap: 7px; }
.scene-float-check { color: #fff; background: #14a37b; height: 18px; width: 18px; border-radius: 50%; display: grid; place-items: center; }
.scene-float-2 { top: 90px; right: 8px; transform: rotate(5deg); font-family: Manrope,sans-serif; letter-spacing: .8px; }
.scene-float-2 span { color: var(--brand); }
.benefit-row { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; margin: 18px 0 0; padding: 20px 5px; box-shadow: var(--shadow); }
.benefit-row > div { display: flex; align-items: center; gap: 13px; padding: 0 22px; border-right: 1px solid var(--line); }
.benefit-row > div:last-child { border-right: 0; }
.benefit-row > div > svg { color: var(--brand); min-width: 23px; }
.benefit-row span { display: flex; flex-direction: column; gap: 1px; }
.benefit-row strong { color: #29374f; font-size: 11px; }
.benefit-row small { color: #8592a7; font-size: 10px; line-height: 1.6; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 25px; margin-bottom: 22px; }
.section-head h2 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: clamp(23px,2.5vw,29px); font-weight: 850; line-height: 1.35; letter-spacing: -.95px; color: #17213b; margin: 7px 0 4px; }
.section-head p { font-size: 12px; color: #8b96a9; margin: 0; }
.section-link { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; color: var(--brand); font-weight: 850; margin-bottom: 5px; white-space: nowrap; }
.section-link:hover { gap: 12px; }
.category-section { margin-top: 66px; }
.category-tiles { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
.category-tile { min-height: 142px; display: flex; flex-direction: column; position: relative; background: #fff; border: 1px solid var(--line); border-radius: 15px; padding: 19px 17px; gap: 15px; transition: .2s ease; box-shadow: 0 4px 18px #20376d05; }
.category-tile:hover { border-color: #9fb6f3; box-shadow: 0 14px 30px #1a47bd13; transform: translateY(-3px); }
.category-icon { width: 43px; height: 43px; background: var(--brand-soft); color: var(--brand); border-radius: 12px; display: grid; place-items: center; }
.category-1 .category-icon { background: #f3edff; color: #8e63ce; }
.category-2 .category-icon { background: #e8f7f4; color: #148a82; }
.category-3 .category-icon { background: #fff2e8; color: #d18450; }
.category-4 .category-icon { background: #f9ecf5; color: #c16ba6; }
.category-tile > div:nth-child(2) { display: flex; flex-direction: column; gap: 2px; padding-right: 3px; }
.category-tile strong { font-size: 12px; font-weight: 850; color: #23304b; }
.category-tile small { color: #8b96aa; font-size: 9px; line-height: 1.5; }
.category-tile > svg { position: absolute; top: 23px; right: 16px; color: #b4bfd1; }
.category-tile:hover > svg { color: var(--brand); }
.home-products { margin-top: 70px; }
.product-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.product-card { min-width: 0; overflow: hidden; display: flex; flex-direction: column; background: #fff; border: 1px solid #e7eaf2; border-radius: 16px; transition: border-color .2s, box-shadow .2s, transform .2s; box-shadow: 0 4px 15px #14295a06; }
.product-card:hover { border-color: #b4c7f2; box-shadow: 0 15px 35px rgba(20,52,132,.11); transform: translateY(-3px); }
.product-visual { position: relative; display: block; padding: 11px 11px 0; }
.product-art { --art-bg: #e8efff; --art-ink: #1a459c; --art-frame: #fff; --art-high: #f6f9ff; position: relative; width: 100%; height: 162px; border-radius: 11px; overflow: hidden; display: grid; place-items: center; isolation: isolate; color: var(--art-ink); background: var(--art-bg); }
.product-art > img { position: relative; z-index: 3; width: 100%; height: 100%; object-fit: cover; }
.skin-sky { --art-bg: #dceaff; --art-ink: #1d52ad; }
.skin-night { --art-bg: #e4eafb; --art-ink: #193eac; }
.skin-peach { --art-bg: #fff0e7; --art-ink: #ad6946; }
.skin-aqua { --art-bg: #daf2ef; --art-ink: #278c82; }
.skin-dark { --art-bg: #dce4ef; --art-ink: #27384d; }
.skin-graphite { --art-bg: #e5e9f5; --art-ink: #3d4f7d; }
.skin-teal { --art-bg: #d8f0f0; --art-ink: #208887; }
.skin-blue { --art-bg: #e4edff; --art-ink: #2158bd; }
.skin-stone { --art-bg: #e9ecee; --art-ink: #4f5b69; }
.skin-salmon { --art-bg: #ffe8e7; --art-ink: #b16b6a; }
.skin-lavender { --art-bg: #f0e8ff; --art-ink: #835cba; }
.skin-obsidian { --art-bg: #e1e7ed; --art-ink: #233447; }
.skin-lime { --art-bg: #edf5dd; --art-ink: #678b3b; }
.skin-violet { --art-bg: #ebe9fc; --art-ink: #7465ba; }
.skin-red { --art-bg: #ffebe8; --art-ink: #bb584e; }
.skin-orange { --art-bg: #fff0dd; --art-ink: #a97b38; }
.art-sheen { position: absolute; inset: 0; background: radial-gradient(circle at 75% 25%,rgba(255,255,255,.8),transparent 38%),linear-gradient(130deg,rgba(255,255,255,.45),transparent 65%); }
.art-orbit { position: absolute; z-index: 0; border: 1px solid #ffffffc9; width: 195px; height: 195px; border-radius: 50%; right: -88px; bottom: -110px; }
.orbit-two { width: 140px; height: 140px; right: -61px; bottom: -74px; }
.art-topline { position: absolute; left: 15px; top: 13px; z-index: 2; font-family: Manrope,sans-serif; font-size: 7px; font-weight: 850; letter-spacing: 1px; color: var(--art-ink); opacity: .65; }
.art-topline b { padding: 0 3px; }
.art-emblem { position: relative; z-index: 2; display: grid; place-items: center; min-width: 75px; height: 75px; padding: 0 14px; border-radius: 20px; background: #ffffffed; border: 1px solid #ffffffb8; box-shadow: 0 11px 24px #1f398033, inset 0 0 0 1px #ffffff88; transform: rotate(-7deg); }
.art-emblem span { font-family: Manrope, 'Be Vietnam Pro',sans-serif; font-size: 27px; font-weight: 900; letter-spacing: -1.4px; color: var(--art-ink); transform: rotate(7deg); }
.art-bottom { position: absolute; left: 15px; right: 14px; bottom: 11px; z-index: 2; display: flex; align-items: center; justify-content: space-between; color: var(--art-ink); opacity: .72; font-family: Manrope,sans-serif; font-size: 7px; font-weight: 850; letter-spacing: 1.1px; text-transform: uppercase; }
.art-flare { font-size: 17px; }
.product-badge { position: absolute; right: 20px; top: 20px; z-index: 3; background: #fff; border: 1px solid #e5eafa; border-radius: 6px; padding: 5px 7px; color: #3051a0; font-size: 9px; font-weight: 850; box-shadow: 0 2px 6px #122e5b16; }
.product-body { display: flex; flex-direction: column; flex: 1; padding: 17px 17px 16px; }
.product-category { color: var(--brand); font-size: 9px; font-weight: 850; letter-spacing: .1px; text-transform: uppercase; }
.product-name { display: block; font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 15px; line-height: 1.35; letter-spacing: -.35px; font-weight: 850; margin: 7px 0 0; color: #1b2640; }
.product-name:hover { color: var(--brand); }
.product-summary { color: #8290a7; font-size: 10px; line-height: 1.7; margin: 8px 0 14px; min-height: 35px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-footer { border-top: 1px solid #edf0f5; display: flex; justify-content: space-between; align-items: center; gap: 5px; margin-top: auto; padding-top: 15px; }
.product-footer > div { min-width: 0; }
.price-from { display: block; font-size: 10px; color: #909db0; margin-bottom: 1px; }
.price-primary { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 16px; color: #182c53; font-weight: 900; letter-spacing: -.4px; white-space: nowrap; }
.old-price { display: block; font-size: 9px; color: #b3bdcb; margin-top: 2px; }
.card-arrow { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; gap: 3px; min-height: 33px; background: var(--brand-soft); color: var(--brand); padding: 8px; font-weight: 850; font-size: 9px; border-radius: 9px; white-space: nowrap; }
.card-arrow:hover { background: var(--brand); color: white; }
.editorial-banner { display: grid; grid-template-columns: 1.2fr .8fr; overflow: hidden; position: relative; min-height: 275px; background: #edf2ff; border: 1px solid #dce7ff; border-radius: 20px; margin-top: 72px; }
.editorial-copy { padding: 38px 15px 35px 49px; position: relative; z-index: 1; }
.banner-overline { font: 850 10px Manrope,sans-serif; letter-spacing: 1.3px; color: var(--brand); }
.editorial-copy h2 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 29px; font-weight: 850; line-height: 1.4; letter-spacing: -1.1px; margin: 12px 0 10px; color: #172849; }
.editorial-copy h2 span { color: var(--brand); }
.editorial-copy p { max-width: 470px; font-size: 11px; line-height: 1.9; color: #6b7992; margin-bottom: 19px; }
.editorial-copy .button { background: var(--brand); color: white; border-radius: 10px; font-size: 11px; min-height: 41px; }
.editorial-deco { position: relative; overflow: hidden; }
.editorial-circle { position: absolute; width: 280px; height: 280px; border-radius: 50%; border: 1px solid #1242d42e; right: -30px; top: -80px; }
.editorial-circle-b { width: 200px; height: 200px; right: 10px; top: -40px; }
.editorial-chip { position: absolute; font: 850 11px Manrope,sans-serif; background: #fff; box-shadow: 0 10px 27px #2554bc1a; border: 1px solid #dde7ff; border-radius: 10px; padding: 15px 18px; color: #233b6e; }
.editorial-chip-a { top: 48px; right: 110px; transform: rotate(-7deg); }
.editorial-chip-b { top: 116px; right: 38px; transform: rotate(6deg); }
.editorial-chip-c { top: 190px; right: 115px; transform: rotate(-4deg); }
.ai-section { margin-top: 65px; }
.how-section { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; margin-top: 79px; }
.how-intro h2 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 32px; line-height: 1.35; letter-spacing: -1px; font-weight: 850; margin: 11px 0 0; }
.how-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.how-steps > div { background: #fff; border: 1px solid var(--line); padding: 23px 18px; border-radius: 13px; }
.how-steps > div > span { display: inline-block; color: var(--brand); background: var(--brand-soft); border-radius: 7px; padding: 5px 9px; font: 850 12px Manrope,sans-serif; }
.how-steps h3 { font-size: 13px; color: #1c2c4a; margin: 20px 0 5px; }
.how-steps p { font-size: 10px; line-height: 1.8; color: #8694a8; margin: 0; }

/* Catalog listing page */
.catalog-page, .detail-page { padding-top: 25px; padding-bottom: 83px; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: #8794a9; font-size: 10px; padding: 4px 0 23px; }
.breadcrumbs a:hover { color: var(--brand); }
.breadcrumbs > span:last-child { color: #304569; font-weight: 700; }
.catalog-hero { display: flex; align-items: center; justify-content: space-between; gap: 30px; position: relative; border-radius: 17px; border: 1px solid #dce6ff; background: linear-gradient(102deg,#f5f7ff,#e9f0ff); min-height: 193px; padding: 36px 42px; overflow: hidden; }
.catalog-hero .eyebrow { font-size: 10px; }
.catalog-hero h1 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 33px; letter-spacing: -1.1px; margin: 10px 0 7px; line-height: 1.3; }
.catalog-hero p { max-width: 550px; margin: 0; color: #6d7b94; font-size: 12px; line-height: 1.85; }
.catalog-hero-decoration { width: 128px; height: 128px; display: grid; place-items: center; flex-shrink: 0; border: 1px solid #bdd0ff; background: #ffffffa8; box-shadow: 0 15px 24px #3158b31a; border-radius: 29px; transform: rotate(-11deg); color: var(--brand); }
.catalog-body { display: grid; grid-template-columns: 242px minmax(0,1fr); gap: 22px; margin-top: 27px; }
.catalog-sidebar { align-self: start; border: 1px solid var(--line); border-radius: 13px; padding: 21px; background: #fff; }
.sidebar-heading { color: #1b2944; font-size: 14px; font-weight: 850; display: flex; align-items: center; gap: 9px; border-bottom: 1px solid var(--line); padding-bottom: 17px; }
.sidebar-heading svg { color: var(--brand); }
.side-section { padding-top: 20px; }
.side-section h3 { font-size: 10px; font-weight: 900; color: #828fa5; letter-spacing: 1px; margin: 0 0 11px; text-transform: uppercase; }
.side-link { display: flex; align-items: center; justify-content: space-between; gap: 5px; padding: 10px 12px; margin: 2px -11px; font-size: 11px; font-weight: 650; color: #61708a; border-radius: 8px; }
.side-link > span { color: #a4afbe; font-size: 10px; }
.side-link:hover, .side-link.is-active { color: var(--brand); background: var(--brand-soft); font-weight: 850; }
.side-link.is-active > span { color: var(--brand); }
.filter-radio { display: flex; align-items: center; gap: 9px; padding: 9px 0; font-size: 11px; color: #586b88; cursor: pointer; }
.filter-radio input { appearance: none; width: 16px; height: 16px; border: 1.5px solid #a8b5ca; border-radius: 50%; flex-shrink: 0; }
.filter-radio input:checked { border: 5px solid var(--brand); }
.catalog-results { min-width: 0; }
.catalog-toolbar { background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 12px 17px; min-height: 53px; display: flex; justify-content: space-between; align-items: center; gap: 9px; margin-bottom: 17px; }
.catalog-toolbar strong { font-size: 12px; }
.catalog-toolbar span { color: #8895a9; font-size: 11px; }
.toolbar-right { display: flex; align-items: center; gap: 9px; }
.toolbar-right label { font-size: 10px; color: #93a0b1; white-space: nowrap; }
.toolbar-right select { border: 1px solid #e4e9f1; outline-color: var(--brand); padding: 8px 9px; border-radius: 8px; color: #51617f; background: #fff; font-size: 11px; }
.mobile-filter-button { display: none; }
.catalog-results .product-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
.no-results { text-align: center; border: 1px dashed #bccbf0; background: white; border-radius: 12px; padding: 60px 15px; color: #7282a0; }
.no-results svg { color: var(--brand); }
.no-results h3 { color: var(--ink); font-size: 16px; }
.no-results p { font-size: 12px; }

/* Product detail: Buy box modeled on clear Vietnamese commerce UX */
.detail-grid { display: grid; grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr); gap: 38px; align-items: start; }
.detail-gallery { min-width: 0; }
.gallery-main { position: relative; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.gallery-main .product-art { height: 420px; border-radius: 14px; }
.gallery-main .product-art-large .art-emblem { min-width: 164px; height: 164px; border-radius: 35px; transform: rotate(-6deg); box-shadow: 0 22px 60px #1d39863b; }
.gallery-main .product-art-large .art-emblem span { font-size: 48px; }
.gallery-main .product-art-large .art-topline { font-size: 11px; left: 29px; top: 25px; }
.gallery-main .product-art-large .art-bottom { font-size: 10px; left: 30px; right: 30px; bottom: 23px; }
.gallery-main .product-art-large .art-orbit { width: 390px; height: 390px; right: -160px; bottom: -180px; }
.gallery-main .product-art-large .orbit-two { width: 290px; height: 290px; right: -100px; bottom: -120px; }
.gallery-badge { position: absolute; top: 27px; right: 27px; background: #fff; color: var(--brand); font-size: 10px; font-weight: 850; border: 1px solid #dce4f8; border-radius: 7px; padding: 7px 10px; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 13px; }
.gallery-thumb, .gallery-tile { border-radius: 9px; display: flex; align-items: center; justify-content: center; gap: 8px; height: 64px; background: #fff; border: 1px solid var(--line); color: #667893; font-size: 10px; font-weight: 750; padding: 10px; }
.gallery-thumb { min-width: 70px; font: 850 19px Manrope,sans-serif; color: var(--brand); }
.gallery-thumb.selected { border: 2px solid var(--brand); background: var(--brand-soft); }
.gallery-tile svg { color: var(--brand); }
.gallery-help { display: flex; align-items: center; gap: 11px; border: 1px solid #dbe5ff; background: #f1f5ff; border-radius: 11px; padding: 17px; margin-top: 21px; }
.gallery-help-icon { color: var(--brand); background: #fff; padding: 10px; border-radius: 9px; }
.gallery-help > div:nth-child(2) { flex: 1; }
.gallery-help strong { font-size: 11px; }
.gallery-help p { font-size: 10px; color: #7a8aa5; margin: 2px 0 0; }
.gallery-help a { display: inline-flex; align-items: center; gap: 4px; color: var(--brand); font-size: 10px; font-weight: 850; white-space: nowrap; }
.detail-purchase { padding-top: 6px; }
.detail-category { display: flex; align-items: center; gap: 6px; color: var(--brand); font-size: 10px; font-weight: 850; }
.detail-dot { color: #b8c1d0; }
.detail-purchase h1 { font-family: Manrope,'Be Vietnam Pro',sans-serif; color: #131e35; letter-spacing: -1.2px; font-weight: 850; font-size: clamp(27px,2.8vw,36px); line-height: 1.32; margin: 10px 0; }
.detail-lead { font-size: 12px; color: #76839a; line-height: 1.85; margin: 0; }
.detail-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 15px 0 19px; }
.detail-pills span { display: inline-flex; align-items: center; gap: 5px; background: #eff4ff; border-radius: 5px; padding: 6px 9px; color: #4569a9; font-size: 9px; font-weight: 750; }
.purchase-panel { padding: 21px 22px 19px; border-radius: 15px; background: #fff; border: 1px solid #dfe6f4; box-shadow: 0 12px 30px #18397e09; }
.choose-label { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 13px; }
.choose-label strong { font-size: 12px; color: #253653; }
.choose-label small { font-size: 10px; color: #91a0b5; }
.variant-list { display: grid; gap: 10px; }
.variant-option { display: flex; align-items: center; gap: 11px; min-height: 65px; position: relative; width: 100%; background: #fff; text-align: left; border: 1.5px solid #e4e9f3; border-radius: 11px; padding: 12px 14px; color: var(--ink); transition: background .2s,border-color .2s; }
.variant-option:hover { background: #f9faff; border-color: #adc3fa; }
.variant-option.selected { border: 2px solid var(--brand); padding: 11.5px 13.5px; background: var(--brand-wash); }
.variant-radio { flex-shrink: 0; width: 18px; height: 18px; border: 1.5px solid #a6b7d1; border-radius: 50%; }
.variant-option.selected .variant-radio { border: 5px solid var(--brand); background: #fff; }
.variant-copy { display: flex; flex-direction: column; flex: 1; gap: 1px; min-width: 0; }
.variant-copy strong { font-size: 11px; font-weight: 850; }
.variant-copy small { color: #8d99ac; font-size: 9px; }
.variant-cost { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; white-space: nowrap; }
.variant-cost strong { color: var(--brand); font-size: 12px; font-weight: 900; }
.variant-cost del { font-size: 9px; color: #b3bfcd; }
.variant-recommended { font-style: normal; position: absolute; top: -10px; right: 11px; font-size: 8px; font-weight: 850; background: var(--brand); color: #fff; border-radius: 5px; padding: 3px 8px; }
.variant-soldout { font-style: normal; font-size: 9px; color: #ac5260; }
.price-summary { display: flex; justify-content: space-between; align-items: center; gap: 5px; padding: 18px 0 13px; margin-top: 16px; border-top: 1px solid #eaf0f7; }
.summary-heading { display: block; font-size: 10px; color: #7e8ea6; margin-bottom: 4px; }
.summary-price-line { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.summary-price-line > strong { font-family: Manrope,'Be Vietnam Pro',sans-serif; color: var(--brand); font-weight: 900; font-size: 25px; letter-spacing: -1px; }
.summary-price-line del { color: #b2becb; font-size: 10px; }
#selected-discount { padding: 3px 5px; color: #cd4d47; background: #fff0ee; border-radius: 4px; font-size: 9px; font-weight: 850; }
.stock-tag { display: inline-flex; align-items: center; gap: 5px; color: #1f946f; background: #e6f7ee; border-radius: 6px; padding: 7px 9px; font-size: 9px; font-weight: 850; white-space: nowrap; }
.order-cta { width: 100%; font-size: 14px; font-weight: 850; min-height: 53px; border-radius: 14px; }
.purchase-hint { text-align: center; color: #95a0b3; font-size: 9px; line-height: 1.7; margin: 10px 0 0; }
.detail-perks { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 20px; }
.detail-perks > div { display: flex; gap: 7px; align-items: flex-start; }
.detail-perks svg { color: var(--brand); flex-shrink: 0; }
.detail-perks span { display: flex; flex-direction: column; gap: 1px; }
.detail-perks strong { font-size: 10px; }
.detail-perks small { font-size: 9px; color: #8b98ab; }
.detail-lower { display: grid; grid-template-columns: minmax(0,1.7fr) minmax(230px,.7fr); gap: 53px; margin-top: 77px; }
.detail-article { min-width: 0; }
.article-section { border-bottom: 1px solid #e6ebf4; padding: 0 0 28px; margin-bottom: 28px; }
.article-section:last-child { border-bottom: 0; }
.article-section h2 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 19px; letter-spacing: -.45px; color: #172746; margin: 7px 0 12px; }
.article-section > p { color: #6f7c92; font-size: 12px; line-height: 2; margin: 0; }
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 0; margin: 21px 0 0; }
.feature-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 11px; color: #52657f; font-weight: 650; }
.feature-list svg { color: #1a9b76; flex-shrink: 0; }
.article-table { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 17px; background: #fff; }
.article-table > div { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 12px 15px; border-bottom: 1px solid var(--line); }
.article-table > div:last-child { border: 0; }
.article-table strong, .article-table span { font-size: 10px; }
.article-table strong { color: #324660; }
.article-table span { color: #7b8aa0; text-align: right; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:last-child { border: 0; }
.faq-list summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 14px; align-items: center; color: #263850; font-weight: 750; padding: 17px 1px; font-size: 11px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list details[open] summary svg { transform: rotate(180deg); }
.faq-list details p { margin: 0 0 17px; font-size: 11px; line-height: 1.8; color: #6d7d93; }
.detail-aside { padding-top: 4px; }
.aside-callout { background: #edf2ff; border: 1px solid #dfe7ff; border-radius: 16px; padding: 26px 23px; }
.aside-symbol { color: var(--brand); background: white; border-radius: 11px; height: 48px; width: 48px; display: grid; place-items: center; }
.aside-callout h3 { font-family: Manrope,'Be Vietnam Pro',sans-serif; font-size: 17px; line-height: 1.6; letter-spacing: -.3px; margin: 20px 0 8px; }
.aside-callout p { font-size: 11px; line-height: 1.9; color: #73829a; }
.aside-callout a { display: inline-flex; align-items: center; gap: 7px; color: var(--brand); font-size: 11px; font-weight: 850; margin-top: 10px; }
.related-section { margin-top: 47px; }
.related-section .product-grid { margin-top: 24px; }
.not-found { min-height: 440px; text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.not-found svg { color: var(--brand); }
.not-found h1 { font-size: 29px; margin-bottom: 2px; }
.not-found p { color: var(--muted); }
.not-found .button { margin-top: 12px; }

/* Footer */
.footer { background: #121e35; color: #aebbd1; padding: 65px 0 18px; }
.footer-main { display: grid; grid-template-columns: 1.55fr 1fr 1fr 1.15fr; gap: 46px; }
.footer-brandname { font-family: Manrope,sans-serif; color: #fff; font-size: 21px; letter-spacing: -.7px; font-weight: 850; }
.footer-brandname span { color: #80a1ff; }
.footer-signature { font-size: 9px; font-weight: 850; letter-spacing: 2px; color: #80a1ff; margin: 5px 0 19px; }
.footer-brand p, .footer-support p { font-size: 11px; color: #a0adc2; line-height: 1.95; margin-bottom: 21px; }
.footer-contact { display: flex; align-items: center; gap: 9px; font-size: 10px; color: #e9edff; }
.footer-main > div > h3 { color: white; font-size: 11px; margin: 5px 0 18px; font-weight: 850; }
.footer-main > div > a:not(.button), .footer-main > div > span { display: block; font-size: 10px; margin: 0 0 12px; color: #aebbd1; }
.footer-main > div > a:not(.button):hover { color: white; }
.footer-support .button { font-size: 10px; min-height: 43px; box-shadow: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; color: #8d9bb1; border-top: 1px solid #283751; margin-top: 51px; padding: 20px 0 0; font-size: 9px; line-height: 1.6; }
.footer-bottom span:last-child { max-width: 550px; text-align: right; }

/* Search, order flow and status */
.search-modal, .order-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: start center; padding: 12vh 15px 15px; }
.search-shade, .modal-shade { position: absolute; inset: 0; background: #08132bb0; backdrop-filter: blur(6px); }
.search-panel, .order-box { position: relative; z-index: 1; background: #fff; width: min(100%,620px); border: 1px solid #d9e2f7; border-radius: 17px; box-shadow: 0 20px 65px #0f1e475c; overflow: hidden; }
.search-panel-top { display: flex; align-items: center; gap: 13px; padding: 17px 18px; border-bottom: 1px solid var(--line); }
.search-panel-top > svg { color: var(--brand); }
.search-panel-top input { flex: 1; min-width: 0; border: 0; outline: 0; color: var(--ink); font-size: 14px; }
.icon-btn { background: transparent; border: 0; display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 7px; color: #667a97; }
.icon-btn:hover { background: var(--brand-soft); color: var(--brand); }
.search-results { padding: 11px; max-height: 55vh; overflow-y: auto; }
.search-result { display: flex; gap: 12px; padding: 11px; border-radius: 9px; align-items: center; }
.search-result:hover { background: var(--brand-soft); }
.search-result-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 9px; background: #e9efff; color: var(--brand); font-weight: 900; font-size: 11px; }
.search-result > span:nth-child(2) { flex: 1; font-size: 12px; font-weight: 850; }
.search-result small { display: block; color: var(--muted); font-weight: 500; font-size: 9px; }
.search-result strong { color: var(--brand); font-size: 11px; }
.search-hint { text-align: center; font-size: 10px; color: #a1adbf; padding: 4px 16px 16px; margin: 0; }
.order-modal { place-items: center; padding-top: 15px; }
.order-box { width: min(100%,510px); padding: 30px; overflow: visible; }
.modal-close { position: absolute; right: 16px; top: 16px; }
.order-badge { width: 48px; height: 48px; color: var(--brand); background: var(--brand-soft); display: grid; place-items: center; border-radius: 13px; }
.order-box h2 { font-family: Manrope,'Be Vietnam Pro',sans-serif; margin: 17px 0 8px; font-size: 20px; }
.order-box > p { font-size: 11px; line-height: 1.8; color: #7c89a0; }
.order-message { white-space: pre-wrap; color: #354864; font-size: 11px; line-height: 1.75; padding: 15px; border: 1px solid #dae5fa; background: #f7f9ff; border-radius: 10px; max-height: 210px; overflow-y: auto; }
.order-buttons { display: flex; gap: 10px; margin-top: 18px; }
.order-buttons > * { flex: 1; font-size: 11px; padding: 12px 8px; }
.order-footnote { text-align: center; }
.toast { position: fixed; z-index: 200; left: 50%; bottom: 30px; transform: translate(-50%,20px); padding: 12px 20px; background: #172544; border: 1px solid #29446d; box-shadow: 0 10px 25px #0003; color: white; border-radius: 10px; font-size: 11px; opacity: 0; pointer-events: none; transition: transform .2s,opacity .2s; }
.toast.show { transform: translate(-50%,0); opacity: 1; }

/* Tablet */
@media(max-width:1120px) {
  .container { width: min(100% - 36px,1280px); }
  .header-inner { grid-template-columns: 205px minmax(170px,1fr) 165px; gap: 15px; }
  .nav-inner { gap: 20px; }
  .hero { grid-template-columns: 54% 46%; min-height: 400px; }
  .hero-copy { padding: 55px 26px 39px 39px; }
  .hero h1 { font-size: 39px; letter-spacing: -1.7px; }
  .hero-scene { min-height: 400px; }
  .scene-main-card { width: 84%; }
  .benefit-row > div { gap: 8px; padding: 0 12px; }
  .product-grid { gap: 12px; }
  .product-body { padding: 14px; }
  .price-primary { font-size: 14px; }
  .detail-grid { gap: 24px; }
  .gallery-main .product-art { height: 390px; }
}
@media(max-width:860px) {
  .container { width: calc(100% - 32px); }
  .announcement { font-size: 9px; }
  .header-inner { display: flex; gap: 14px; min-height: 72px; }
  .header-actions { margin-left: auto; }
  .help-copy { display: none; }
  .header-help { display: none; }
  .global-search { margin-left: auto; max-width: 275px; }
  .mobile-toggle { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); width: 39px; height: 39px; border-radius: 10px; }
  .site-nav { display: none; }
  .mobile-menu { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); background: #fff; padding: 8px 20px; }
  .mobile-menu a { padding: 12px; font-size: 12px; border-bottom: 1px solid var(--line); font-weight: 650; }
  .mobile-menu a:last-child { border: 0; }
  .hero { grid-template-columns: 1.15fr .85fr; min-height: 355px; }
  .hero-copy { padding: 42px 20px 31px 32px; }
  .hero h1 { font-size: 33px; letter-spacing: -1.4px; }
  .hero-copy > p { font-size: 11px; line-height: 1.8; }
  .hero-scene { min-height: 355px; }
  .hero-cred { margin-top: 24px; gap: 10px; }
  .hero-cred-item { font-size: 9px; }
  .hero-cta { gap: 12px; }
  .hero-cta .button { min-height: 43px; font-size: 11px; padding: 11px 13px; }
  .hero-textlink { font-size: 10px; }
  .scene-main-card { width: 90%; }
  .scene-float-1 { bottom: 25px; }
  .scene-float-2 { top: 45px; }
  .benefit-row { grid-template-columns: 1fr 1fr; row-gap: 18px; padding: 20px 8px; }
  .benefit-row > div:nth-child(2) { border-right: 0; }
  .category-tiles { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .product-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .catalog-body { grid-template-columns: 205px minmax(0,1fr); gap: 13px; }
  .catalog-sidebar { padding: 14px; }
  .catalog-results .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .detail-grid { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
  .gallery-main .product-art { height: 315px; }
  .detail-perks { grid-template-columns: 1fr; }
  .detail-lower { gap: 20px; }
  .footer-main { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px; }
}
/* Mobile: 2-column product grid, clean sticky-friendly buying hierarchy */
@media(max-width:620px) {
  .container { width: calc(100% - 28px); }
  .announcement { min-height: 30px; padding: 6px 10px; font-size: 8px; gap: 5px; }
  .announcement a { display: none; }
  .header-inner { min-height: 66px; gap: 9px; }
  .logo-signet { width: 37px; height: 37px; border-radius: 10px; }
  .logo-signet span { font-size: 25px; }
  .brand { gap: 7px; }
  .brand-copy strong { font-size: 16px; }
  .brand-copy small { font-size: 7px; letter-spacing: .9px; }
  .global-search { min-height: 37px; max-width: 38px; padding: 8px; justify-content: center; border-radius: 9px; }
  .global-search > span, .global-search kbd { display: none; }
  .global-search > svg { width: 19px; }
  .mobile-toggle { width: 38px; height: 38px; }
  .demo-notice { padding: 6px 15px; font-size: 8px; line-height: 1.5; }
  .home-page { padding-top: 15px; padding-bottom: 46px; }
  .hero { display: flex; flex-direction: column; border-radius: 17px; }
  .hero-copy { padding: 33px 24px 26px; }
  .hero-eyebrow { font-size: 8px; letter-spacing: 1.05px; }
  .hero h1 { font-size: clamp(29px,7.5vw,40px); line-height: 1.22; margin: 17px 0 13px; letter-spacing: -1.6px; }
  .hero-copy > p { font-size: 11px; line-height: 1.8; }
  .hero-cta { margin-top: 19px; gap: 14px; }
  .hero-cta .button { min-height: 44px; border-radius: 10px; }
  .hero-cred { margin-top: 23px; gap: 12px; }
  .hero-cred-item { font-size: 9px; }
  .hero-scene { min-height: 225px; }
  .scene-main-card { width: 255px; transform: rotate(-5deg) translateY(6px); padding: 14px; border-radius: 14px; }
  .scene-main-title { margin: 10px 0; font-size: 16px; }
  .scene-mini-grid { gap: 5px; }
  .scene-icon { border-radius: 8px; font-size: 16px; }
  .scene-main-foot { margin-top: 9px; padding-top: 9px; }
  .scene-caption { top: 12px; right: 16px; font-size: 7px; }
  .scene-float { font-size: 8px; padding: 8px 9px; }
  .scene-float-1 { left: 7px; bottom: 17px; }
  .scene-float-2 { right: 4px; top: 34px; }
  .benefit-row { padding: 15px 4px; margin-top: 11px; row-gap: 13px; border-radius: 12px; }
  .benefit-row > div { gap: 7px; padding: 0 10px; }
  .benefit-row > div > svg { min-width: 18px; height: 17px; width: 17px; }
  .benefit-row strong { font-size: 9px; }
  .benefit-row small { font-size: 8px; }
  .category-section { margin-top: 40px; }
  .section-head { margin-bottom: 15px; align-items: flex-end; }
  .section-head h2 { font-size: 22px; }
  .section-head p { font-size: 10px; }
  .section-link { font-size: 10px; }
  .category-tiles { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .category-tile { min-height: 124px; padding: 14px 12px; gap: 11px; }
  .category-icon { height: 36px; width: 36px; }
  .category-icon svg { width: 20px; }
  .category-tile > svg { right: 11px; top: 16px; }
  .category-tile strong { font-size: 10px; }
  .category-tile small { font-size: 8px; }
  .home-products { margin-top: 43px; }
  .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .product-visual { padding: 8px 8px 0; }
  .product-art { height: 118px; }
  .art-emblem { min-width: 57px; height: 57px; border-radius: 14px; }
  .art-emblem span { font-size: 19px; }
  .art-topline { font-size: 5px; left: 9px; top: 10px; letter-spacing: .5px; }
  .art-bottom { font-size: 6px; left: 9px; bottom: 8px; right: 9px; }
  .product-badge { right: 13px; top: 13px; padding: 3px 4px; font-size: 7px; }
  .product-body { padding: 12px 11px; }
  .product-category { font-size: 8px; }
  .product-name { font-size: 12px; margin-top: 5px; }
  .product-summary { font-size: 9px; min-height: 28px; margin: 6px 0 9px; line-height: 1.6; }
  .product-footer { padding-top: 9px; gap: 2px; }
  .price-from { font-size: 8px; }
  .price-primary { font-size: 13px; }
  .old-price { font-size: 8px; }
  .card-arrow { min-height: 28px; border-radius: 7px; padding: 6px; font-size: 8px; }
  .card-arrow svg { width: 13px; }
  .editorial-banner { margin-top: 43px; grid-template-columns: 1fr; min-height: 0; }
  .editorial-copy { padding: 28px 23px; }
  .editorial-copy h2 { font-size: 22px; }
  .editorial-copy p { font-size: 10px; }
  .editorial-deco { display: none; }
  .ai-section { margin-top: 44px; }
  .how-section { display: block; margin-top: 50px; }
  .how-intro h2 { font-size: 26px; }
  .how-steps { margin-top: 19px; gap: 8px; }
  .how-steps > div { padding: 13px 10px; }
  .how-steps h3 { font-size: 10px; margin-top: 14px; }
  .how-steps p { font-size: 9px; }
  .catalog-page,.detail-page { padding-top: 13px; padding-bottom: 42px; }
  .breadcrumbs { padding: 0 0 14px; font-size: 9px; gap: 5px; }
  .catalog-hero { min-height: 144px; padding: 23px 21px; border-radius: 13px; }
  .catalog-hero h1 { font-size: 25px; }
  .catalog-hero p { font-size: 10px; }
  .catalog-hero-decoration { width: 65px; height: 65px; border-radius: 15px; }
  .catalog-hero-decoration svg { width: 36px; }
  .catalog-body { display: block; margin-top: 17px; }
  .catalog-sidebar { display: none; margin-bottom: 13px; }
  .catalog-sidebar.open { display: block; }
  .catalog-toolbar { padding: 8px 10px; }
  .catalog-toolbar > div:first-child { white-space: nowrap; }
  .catalog-toolbar span, .catalog-toolbar strong { font-size: 9px; }
  .toolbar-right label { display: none; }
  .toolbar-right select { max-width: 110px; font-size: 9px; padding: 7px 3px; }
  .mobile-filter-button { display: inline-flex; align-items: center; gap: 4px; border: 1px solid #e5ebf5; border-radius: 8px; padding: 8px; background: white; font-size: 9px; color: var(--brand); font-weight: 850; }
  .catalog-results .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .detail-grid { grid-template-columns: 1fr; gap: 22px; }
  .gallery-main { padding: 8px; border-radius: 13px; }
  .gallery-main .product-art { height: 295px; }
  .gallery-main .product-art-large .art-emblem { min-width: 115px; height: 115px; border-radius: 24px; }
  .gallery-main .product-art-large .art-emblem span { font-size: 34px; }
  .gallery-main .product-art-large .art-topline { font-size: 9px; left: 19px; top: 16px; }
  .gallery-main .product-art-large .art-bottom { font-size: 8px; left: 18px; right: 18px; bottom: 15px; }
  .gallery-badge { top: 16px; right: 16px; font-size: 9px; }
  .gallery-thumbs { gap: 7px; }
  .gallery-thumb,.gallery-tile { height: 53px; font-size: 9px; padding: 6px; }
  .gallery-thumb { min-width: 52px; }
  .gallery-tile svg { width: 15px; }
  .gallery-help { margin-top: 10px; padding: 11px; }
  .gallery-help p { font-size: 9px; }
  .detail-purchase h1 { font-size: 27px; }
  .detail-lead { font-size: 11px; }
  .detail-pills { gap: 5px; margin-bottom: 13px; }
  .detail-pills span { font-size: 8px; }
  .purchase-panel { padding: 16px 13px; }
  .variant-option { gap: 8px; padding: 10px; }
  .variant-option.selected { padding: 9.5px; }
  .variant-copy strong { font-size: 10px; }
  .variant-cost strong { font-size: 11px; }
  .summary-price-line > strong { font-size: 24px; }
  .order-cta { min-height: 53px; font-size: 12px; }
  .detail-perks { grid-template-columns: repeat(3,1fr); gap: 5px; }
  .detail-perks svg { width: 17px; }
  .detail-perks strong { font-size: 9px; }
  .detail-perks small { font-size: 8px; }
  .detail-lower { display: block; margin-top: 42px; }
  .detail-aside { margin-top: 23px; }
  .feature-list { grid-template-columns: 1fr; gap: 11px; }
  .article-section h2 { font-size: 18px; }
  .related-section { margin-top: 35px; }
  .footer { padding: 40px 0 16px; }
  .footer-main { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 29px 15px; }
  .footer-brand p,.footer-support p { font-size: 10px; }
  .footer-bottom { display: block; margin-top: 27px; }
  .footer-bottom span { display: block; margin-bottom: 10px; }
  .footer-bottom span:last-child { text-align: left; }
  .order-box { padding: 23px 16px; }
  .order-buttons { flex-direction: column; }
}
@media(max-width:355px) {
  .brand-copy strong { font-size: 14px; }
  .hero h1 { font-size: 26px; }
  .hero-cred { flex-direction: column; }
  .card-arrow { font-size: 0; }
  .card-arrow svg { width: 17px; height: 17px; }
  .category-tile strong { font-size: 9px; }
}
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
/* Keep the long Zalo call-to-action inside narrow two-column mobile footers. */
@media(max-width:620px) {
  .footer-support .button { width:100%; white-space:normal; text-align:center; font-size:9px; padding:9px 6px; gap:4px; }
  .footer-support .button svg { width:13px; height:13px; flex-shrink:0; }
}