/*
 * VIRTUAL POOL — STYLESHEET REFACTORED
 * Từ CSS người dùng cung cấp (10/11/2026).
 * Giữ nguyên các class JS/HTML hiện có; hợp nhất quy tắc trùng.
 * Không cần chỉnh app.js hoặc site-config.js để sử dụng.
 * Cài đặt nhanh: thay nguyên file public/assets/styles.css.
 */

/* ========== FOUNDATION & TOKENS ========== */

:root {
  --bg: #070b15;
  --bg-soft: #0d1322;
  --panel: #10192a;
  --panel-2: #121b2c;
  --ink: #f7f8fe;
  --muted: #a2afc6;
  --dim: #70819f;
  --line: rgba(169,190,234,.13);
  --gold: #ffbb25;
  --gold2: #ffda70;
  --cyan: #52daed;
  --purple: #806dff;
  --green: #38ddae;
  --rounded: 22px;
  --shadow: 0 26px 65px rgba(0,0,0,.26);
  --font: "Be Vietnam Pro",system-ui,sans-serif;
  --display: "Space Grotesk","Be Vietnam Pro",sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 95px;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.65;
  background: radial-gradient(ellipse 43% 22% at 89% 1%,rgba(56,84,170,.16),transparent 75%),radial-gradient(ellipse 30% 14% at 1% 16%,rgba(25,114,196,.12),transparent 90%),var(--bg);
  overflow-x: clip;
  color-scheme: dark;
}

body::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 720px;
  z-index: -1;
  opacity: .24;
  background-image: linear-gradient(rgba(140,181,246,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(140,181,246,.055) 1px,transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(#000,transparent);
}

a {
  color: inherit;
  text-decoration: none;
}

a,button {
  transition: color .2s,border-color .2s,background .2s,transform .2s,box-shadow .2s;
}

button:focus-visible,a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

img {
  display: block;
  max-width: 100%;
}

h1,h2,h3,h4,p {
  margin-top: 0;
}

h1,h2,h3 {
  letter-spacing: -.045em;
}

h1,h2 {
  font-family: var(--display);
}

.shell {
  width: min(1200px,calc(100% - 64px));
  margin-inline: auto;
}

.icon {
  flex: none;
  vertical-align: middle;
}

.text-gradient {
  background: linear-gradient(105deg,#fff 5%,#b4a9ff 34%,#5bc5ff 75%,#fff 115%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.loading-fallback {
  margin: 30vh auto;
  text-align: center;
  color: var(--muted);
}

::selection {
  background: rgba(255, 191, 64, .3);
  color: #fff;
}

/* ========== NAVIGATION ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(7,11,21,.78);
  border-bottom: 1px solid rgba(159,185,230,.11);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.nav-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 190px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.06em;
  line-height: 1.1;
  white-space: nowrap;
}

.wordmark img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.wordmark-accent {
  color: var(--gold);
  margin-left: 3px;
}

.wordmark small {
  display: block;
  font-family: var(--font);
  font-size: 8px;
  letter-spacing: .17em;
  margin-top: 6px;
  color: #8798b5;
  font-weight: 700;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px;
  border: 1px solid rgba(148,168,204,.09);
  border-radius: 100px;
  background: rgba(255,255,255,.015);
}

.nav-link {
  font-size: 12px;
  font-weight: 700;
  color: #a1acc1;
  padding: 11px 18px;
  border-radius: 99px;
  white-space: nowrap;
}

.nav-link:hover {
  color: #fff;
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(140deg,rgba(129,113,255,.23),rgba(54,108,213,.15));
  box-shadow: inset 0 0 0 1px rgba(159,150,255,.12);
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-contact {
  border: 1px solid rgba(255,189,63,.3);
  background: rgba(255,177,43,.10);
  border-radius: 12px;
  padding: 11px 17px;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  gap: 9px;
  align-items: center;
  color: #ffdf96;
}

.header-contact .icon {
  width: 17px;
  height: 17px;
}

.header-contact:hover {
  background: rgba(255,190,66,.18);
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border: 1px solid var(--line);
  width: 43px;
  height: 43px;
  border-radius: 11px;
}

.mobile-nav {
  display: none;
}

/* ========== GLOBAL COMPONENTS & SECTION HEADINGS ========== */

*,*::before,*::after {
  box-sizing: border-box;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  letter-spacing: .18em;
  color: #f0c96c;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 0 14px;
  font-size: 11px;
}

.eyebrow-line {
  height: 1px;
  width: 24px;
  background: var(--gold);
}

.section {
  padding-top: 35px !important;
  padding-bottom: 35px !important;
  padding: 40px 0 !important;
}

.section-head {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  gap: 10px !important;
  margin-bottom: 24px !important;
}

.section-head h2 {
  font-weight: 800;
  letter-spacing: -.047em;
  width: 100%;
  text-align: center !important;
  line-height: 1.2;
  margin: 0 !important;
  font-size: clamp(31px, 3.8vw, 45px);
}

.section-head>p {
  max-width: 350px;
  color: var(--muted);
  margin: 0 0 5px;
  font-size: 13px;
}

.button {
  min-height: 49px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 12px 21px;
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.4;
  font-weight: 800;
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.button .icon {
  width: 17px;
  height: 17px;
}

.button-primary {
  background: linear-gradient(114deg,#ffa71d,#ffca3e);
  color: #1e1c1f;
  border-color: rgba(255,222,123,.6);
  box-shadow: 0 8px 30px rgba(235,151,21,.18);
}

.button-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 11px 38px rgba(235,151,21,.3);
}

.button-outline {
  border: 1px solid rgba(148,171,209,.22);
  color: #e2e9ff;
  background: rgba(255,255,255,.035);
}

.button-outline:hover {
  border-color: rgba(168,185,247,.54);
  background: rgba(116,144,230,.11);
  transform: translateY(-2px);
}

.button-ghost {
  background: rgba(43,58,95,.25);
  color: #e2e6fb;
  border-color: rgba(125,145,193,.18);
}

.button-ghost:hover {
  background: rgba(65,88,146,.28);
}

.button-secondary {
  background: rgba(251,187,48,.1);
  border-color: rgba(251,187,48,.22);
  color: #ffe0a1;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease,transform .65s cubic-bezier(.2,.7,.3,1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.modal-open {
  overflow: hidden;
}

.section-head > div {
  width: 100%;
  text-align: center !important;
}

.section-head .eyebrow {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: 100%;
  text-align: center !important;
  margin: 0 0 8px !important;
  color: #ffbd42;
  font-weight: 800;
  letter-spacing: 1.8px;
}

.section-head .eyebrow-line {
  display: none !important;
}

.section-head > p {
  width: 100%;
  max-width: 650px !important;
  margin: 0 auto !important;
  color: #9aa9c4;
  text-align: center !important;
  font-size: 14px;
  line-height: 1.75;
}

/* ========== HOMEPAGE HERO ========== */

.hero {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  overflow-x: clip;
  min-height: 0;
  gap: 48px;
  padding-top: 54px;
  padding-bottom: 40px;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #9be2e8;
  border: 1px solid rgba(76,205,210,.24);
  background: rgba(46,173,184,.06);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .13em;
  border-radius: 99px;
  padding: 9px 14px;
  margin-bottom: 34px;
}

.live-dot,.brand-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5cf0ba;
  box-shadow: 0 0 0 4px rgba(52,226,175,.12),0 0 16px rgba(52,226,175,.55);
}

.hero-kicker {
  color: #7789ad;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .34em;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(74px,7vw,109px);
  line-height: 1.02;
  margin: 0 0 4px;
  font-weight: 700;
  letter-spacing: -.078em;
}

.gold-dot {
  color: var(--gold);
}

.hero-handle {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -.025em;
  color: #ffd18c;
  margin: 9px 0 22px;
}

.verified-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #2696fd;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  color: #fff;
}

.verified-mark svg {
  width: 12px;
  height: 12px;
  stroke-width: 3;
}

.hero-desc {
  color: #a9b7cf;
  line-height: 1.9;
  font-size: 15px;
  max-width: 510px;
  margin: 0 0 29px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-points {
  display: flex;
  gap: 22px;
  margin-top: 34px;
  color: #98a8c2;
  font-size: 11px;
  font-weight: 600;
}

.hero-points span {
  display: flex;
  gap: 7px;
  align-items: center;
}

.hero-points .icon {
  width: 16px;
  height: 16px;
  color: #77e8c5;
}

.hero-visual {
  position: relative;
  min-height: 464px;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 15% 0 10%;
  z-index: -2;
  background: radial-gradient(ellipse,rgba(97,86,205,.34),rgba(22,74,145,.14) 49%,transparent 75%);
  filter: blur(26px);
}

.visual-orbit {
  position: absolute;
  border: 1px solid rgba(131,147,228,.13);
  border-radius: 50%;
  z-index: -1;
  transform: rotate(-18deg);
}

.orbit-one {
  width: 540px;
  height: 350px;
}

.orbit-two {
  width: 460px;
  height: 490px;
  transform: rotate(29deg);
}

.hero-brand-frame {
  position: relative;
  width: min(100%,470px);
  aspect-ratio: 1.14;
  overflow: hidden;
  border: 1px solid rgba(151,170,229,.28);
  border-radius: 24px;
  background: #10162c;
  box-shadow: 0 30px 90px rgba(3,7,29,.9),0 0 0 7px rgba(45,69,120,.05);
  transform: rotate(1.5deg);
}

.hero-brand-frame>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-frame-shine {
  pointer-events: none;
  z-index: 2;
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg,rgba(255,255,255,.10),transparent 37%,transparent 65%,rgba(28,148,239,.08));
}

.hero-frame-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  background: linear-gradient(0deg,rgba(3,10,27,.9),rgba(3,10,27,.12));
  padding: 45px 23px 18px;
  color: #d1daf5;
  font-family: var(--display);
  font-size: 9px;
  letter-spacing: .13em;
  font-weight: 800;
}

.hero-frame-bottom span:first-child {
  display: flex;
  gap: 10px;
  align-items: center;
}

.brand-status-dot {
  width: 6px;
  height: 6px;
}

.visual-float {
  position: absolute;
  background: rgba(18,27,47,.94);
  border: 1px solid rgba(204,186,137,.25);
  box-shadow: 0 12px 35px rgba(0,0,0,.3);
  backdrop-filter: blur(14px);
  padding: 10px 15px;
  border-radius: 10px;
  color: #e6edf9;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  display: flex;
  align-items: center;
  gap: 7px;
}

.visual-float .icon {
  width: 15px;
  height: 15px;
  color: var(--gold);
}

.float-one {
  left: -5%;
  top: 16%;
  animation: bob 5s ease-in-out infinite;
}

.float-two {
  right: -3%;
  bottom: 14%;
  animation: bob 5s ease-in-out 1.1s infinite;
}

.float-two span {
  color: var(--gold);
}

.hero-brand-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 20px;
}

/* ========== SOCIAL CHANNELS ========== */

.socials-section {
  padding-top: 25px !important;
  padding-bottom: 15px !important;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 14px;
}

.social-card {
  position: relative;
  min-height: 102px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 18px 16px;
  border: 1px solid rgba(160,186,225,.14);
  border-radius: 17px;
  background: linear-gradient(150deg,rgba(22,32,51,.96),rgba(13,20,35,.92));
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.social-card::before {
  position: absolute;
  content: "";
  height: 2px;
  left: 22px;
  right: 22px;
  top: 0;
  background: linear-gradient(90deg,transparent,var(--social-color),transparent);
  opacity: .74;
}

.social-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb,var(--social-color) 48%,transparent);
  box-shadow: 0 20px 35px rgba(0,0,0,.24);
}

.social-zalo {
  --social-color: #39a2ff;
}

.social-tiktok {
  --social-color: #69f4e4;
}

.social-facebook {
  --social-color: #6197ff;
}

.social-youtube {
  --social-color: #ff6a76;
}

.social-icon-wrap {
  width: 45px;
  height: 45px;
  flex: none;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb,var(--social-color) 13%,transparent);
  border: 1px solid color-mix(in srgb,var(--social-color) 21%,transparent);
}

.social-symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 31px;
  height: 31px;
  color: #fff;
  font-weight: 900;
  font-family: var(--display);
}

.zalo-symbol {
  border-radius: 9px;
  background: linear-gradient(160deg,#259aff,#0062fa);
  font-size: 21px;
  font-style: italic;
  line-height: 1;
}

.tiktok-symbol {
  font-size: 32px;
  text-shadow: -2px -1px #35e6e7,2px 1px #ff497b;
  line-height: 1;
}

.fb-symbol {
  font-family: Arial,sans-serif;
  font-size: 29px;
  color: #68a1ff;
}

.yt-symbol .icon {
  color: #f65a61;
  width: 26px;
  height: 26px;
  fill: rgba(245,81,95,.10);
}

.social-detail {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.social-detail strong {
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: -.03em;
}

.social-detail small {
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5 !important;
  color: #aebbd2 !important;
  font-size: 12px !important;
}

.social-external {
  color: #7385a5;
  margin-left: auto;
}

.social-external .icon {
  width: 14px;
  height: 14px;
}

/* ========== PRICING ========== */

.pricing-section {
  background: linear-gradient(180deg,transparent,rgba(49,56,101,.11) 38%,rgba(18,31,63,.13) 80%,transparent);
  padding-bottom: 30px !important;
  padding-top: 18px !important;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 18px;
  align-items: stretch;
  margin-top: 0;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 503px;
  background: linear-gradient(154deg,#141c2e,#101625 55%,#101827);
  border: 1px solid rgba(143,165,205,.2);
  border-radius: 22px;
  padding: 27px 25px 24px;
  box-shadow: 0 24px 40px rgba(0,0,0,.16);
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.price-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 110px;
  background: radial-gradient(ellipse at 30% 0,rgba(81,99,192,.10),transparent 80%);
  pointer-events: none;
}

.price-card.featured {
  border: 1.5px solid #e7a920;
  background: linear-gradient(151deg,#201d2a,#151a2a 42%,#101626 100%);
  box-shadow: 0 0 0 3px rgba(255,179,31,.055),0 17px 55px rgba(212,128,22,.09);
}

.price-card.featured::before {
  background: radial-gradient(ellipse at 10% 0,rgba(255,170,20,.15),transparent 80%);
}

.price-top {
  position: relative;
}

.price-heading {
  display: flex;
  align-items: center;
  gap: 13px;
}

.price-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(120,114,237,.14);
  border: 1px solid rgba(142,139,252,.2);
  color: #a6a0ff;
}

.featured .price-icon {
  color: var(--gold);
  background: rgba(255,181,31,.12);
  border-color: rgba(255,181,31,.24);
}

.price-icon .icon {
  width: 24px;
  height: 24px;
}

.price-badge {
  font-size: 9px;
  letter-spacing: .08em;
  font-weight: 800;
  color: #8c9eff;
  margin-bottom: 4px;
}

.featured .price-badge {
  color: #ffca54;
}

.price-heading h3 {
  font-family: var(--display);
  font-size: 23px;
  letter-spacing: -.055em;
  margin: 0;
  line-height: 1.2;
}

.price-tag {
  margin: 17px 0 0;
  line-height: 1.6 !important;
  color: #aebbd2 !important;
  font-size: 15px !important;
}

.price-line {
  font-family: var(--display);
  gap: 8px;
  display: flex !important;
  align-items: baseline !important;
  overflow: visible !important;
  padding: 5px 10px 5px 0 !important;
  margin: 5px 0 12px !important;
}

.price-number {
  font-size: clamp(41px,4vw,52px);
  text-shadow: 0 0 20px rgba(255, 191, 50, 0.12);
  font-weight: 900 !important;
  background: linear-gradient(

    110deg,

    #ffffff 0%,

    #ffffff 38%,

    #8fdcff 48%,

    #ffffff 58%,

    #ffffff 100%

  );
  background-size: 250% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(120, 190, 255, 0.12));
  display: inline-block !important;
  font-style: italic !important;
  overflow: visible !important;
  letter-spacing: -.04em;
  line-height: 1.22 !important;
  padding: 3px 11px 5px 2px !important;
  animation: priceShine 5.5s ease-in-out infinite;
}

.featured .price-number,.featured .price-unit {
  color: var(--gold);
}

.price-unit {
  font-size: 26px;
  font-weight: 700;
  font-style: italic !important;
  display: inline-block !important;
  line-height: 1.3 !important;
  overflow: visible !important;
}

.price-divider {
  height: 1px;
  background: linear-gradient(90deg,rgba(146,165,211,.22),transparent);
  margin-bottom: 22px;
}

.benefit-list {
  list-style: none;
  padding: 0;
  margin: 0 0 27px;
  display: flex;
  flex-direction: column;
  gap: 10px !important;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #d5deef !important;
  font-size: 15px !important;
  line-height: 1.65 !important;
}

.benefit-list .icon {
  width: 16px;
  height: 16px;
  stroke-width: 2.5;
  color: var(--green);
  margin-top: 1px;
}

.price-button {
  margin-top: auto;
  width: 100%;
}

.favorite-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .06em;
  padding: 8px 13px 9px;
  background: linear-gradient(90deg,#f6a717,#ffd359);
  color: #242021;
  border-radius: 0 0 0 13px;
}

.pricing-note {
  font-size: 11px;
  color: #98a7bf;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin: 25px 0 0;
}

.pricing-note .icon {
  color: var(--green);
  width: 16px;
  height: 16px;
}

.price-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 15px;
  margin-bottom: 3px !important;
}

.price-old {
  line-height: 1;
  text-decoration: line-through;
  text-decoration-skip-ink: none;
  letter-spacing: 0.3px;
  font-size: 21px;
  font-weight: 700;
  color: #b5bfd0;
  text-decoration-color: #858fa2;
  text-decoration-thickness: 1px;
}

.price-discount {
  color: #fff;
  background: linear-gradient(135deg, #ef405a, #c52242);
  font-size: 12px;
  font-weight: 800;
  padding: 5px 11px;
  white-space: nowrap;
  border-radius: 9px;
}

.price-card.featured .price-number,
.price-card.featured .price-unit {
  color: #ffc132;
}

.price-card.featured .price-number {
  background: linear-gradient(

    110deg,

    #ffbe32 0%,

    #ffbe32 38%,

    #ffffff 48%,

    #ffdf72 58%,

    #ffbe32 100%

  );
  background-size: 250% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 12px rgba(255, 190, 50, 0.2));
}

.price-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 55px rgba(0, 0, 0, .25);
}

/* ========== CUSTOMER FEEDBACK ========== */

.feedback-section {
  position: relative;
  overflow: hidden;
  padding-top: 25px !important;
  padding-bottom: 24px !important;
}

.feedback-viewport {
  position: relative;
  overflow: hidden;
  padding: 10px 0 25px;
  mask-image: linear-gradient(to right,transparent,#000 6%,#000 94%,transparent);
  padding-bottom: 12px;
}

.feedback-track {
  display: flex;
  width: max-content;
  animation: feedback-drift 52s linear infinite;
}

.feedback-viewport:hover .feedback-track {
  animation-play-state: paused;
}

.feedback-group {
  display: flex;
  align-items: stretch;
  gap: 16px;
  padding-right: 16px;
  flex: none;
}

.feedback-tile {
  width: 191px;
  height: 248px;
  flex: none;
  border-radius: 18px;
  border: 1px solid rgba(157,180,226,.19);
  background: linear-gradient(147deg,#1b2941,#131827);
  box-shadow: 0 12px 32px rgba(0,0,0,.21);
  overflow: hidden;
}

.feedback-tile.has-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feedback-tile .feedback-broken {
  display: none;
}

.feedback-tile.broken {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px;
  color: var(--muted);
}

.feedback-tile.broken .feedback-broken {
  display: block;
}

.feedback-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px;
  position: relative;
}

.feedback-empty:before {
  position: absolute;
  content: "";
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(147,150,246,.12);
  box-shadow: 0 0 0 22px rgba(106,106,221,.028),0 0 0 45px rgba(106,106,221,.018);
}

.fb-mini-badge {
  position: absolute;
  top: 14px;
  left: 13px;
  right: 13px;
  color: #9cadd2;
  font-size: 8px;
  letter-spacing: .08em;
  font-weight: 800;
}

.feedback-empty-art {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  margin-bottom: 19px;
  color: #ffe0a1;
  background: linear-gradient(135deg,rgba(232,173,63,.2),rgba(88,94,179,.25));
  border: 1px solid rgba(255,218,139,.17);
}

.feedback-empty-art .icon {
  width: 31px;
  height: 31px;
}

.feedback-empty strong {
  font-size: 13px;
  letter-spacing: .03em;
}

.feedback-empty>span:not(.fb-mini-badge):not(.feedback-empty-art) {
  font-size: 12px;
  color: #c4c9df;
}

.feedback-empty small {
  font-size: 9px;
  color: #8695b4;
  margin-top: 8px;
}

.feedback-hint {
  text-align: center;
  color: #7f90ae;
  font-size: 10px;
  margin: 0;
  padding: 0 20px;
  display: none;
}

.feedback-hint .icon {
  width: 13px;
  height: 13px;
  color: var(--gold);
}

/* ========== UPGRADE STEPS ========== */

.process-section {
  background: radial-gradient(ellipse 40% 25% at 70% 100%,rgba(42,104,177,.13),transparent 80%);
  padding-bottom: 30px !important;
  padding-top: 24px !important;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 17px;
  position: relative;
}

.step-card {
  border: 1px solid var(--line);
  background: linear-gradient(150deg,#111a2a,#0d1523);
  padding: 27px;
  border-radius: 19px;
  text-align: center !important;
  min-height: 0;
  transition: transform .25s ease, border-color .25s ease;
}

.step-upper {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: 100% !important;
  margin-bottom: 18px !important;
}

.step-number {
  font-family: var(--display);
  display: block !important;
  margin: 0 auto !important;
  text-align: center !important;
  font-weight: 900 !important;
  line-height: 1.1 !important;
  color: #EAF2FF !important;
  opacity: 1 !important;
  text-shadow: 0 0 16px rgba(90, 160, 255, 0.30),

    0 0 35px rgba(90, 160, 255, 0.12);
  font-size: 60px !important;
}

.step-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(145,170,234,.2);
  border-radius: 13px;
  background: rgba(69,96,153,.14);
  color: #90bcf5;
}

.step-card h3 {
  font-size: 19px;
  margin: 0 0 10px;
  font-family: var(--display);
  letter-spacing: -.04em;
}

.step-card p {
  font-size: 12px;
  line-height: 1.85;
  color: #9aabc6;
  margin: 0;
}

.process-info {
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid rgba(96,208,190,.2);
  padding: 23px 27px;
  border-radius: 18px;
  margin-top: 20px;
  background: linear-gradient(110deg,rgba(40,113,122,.12),rgba(33,54,92,.19));
}

.time-mark {
  color: #72ecc6;
  width: 42px;
  height: 42px;
  background: rgba(54,219,173,.09);
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex: none;
}

.time-mark svg {
  width: 22px;
  height: 22px;
}

.process-info>div:nth-child(2) {
  flex: 1;
}

.process-info strong {
  font-size: 13px;
  font-weight: 700;
}

.process-info p {
  font-size: 11px;
  margin: 5px 0 0;
  color: #aab8cf;
}

.process-info .button {
  flex: none;
}

.step-icon,
.step-upper .step-icon {
  display: none !important;
}

.step-card:hover {
  border-color: rgba(138, 166, 235, .32);
}

/* ========== EXPLORE MORE ========== */

.more-section {
  padding-top: 24px !important;
  padding-bottom: 35px !important;
}

.more-card {
  border: 1px solid rgba(148,165,221,.22);
  border-radius: 25px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 42px 50px;
  position: relative;
  background: linear-gradient(110deg,#232357,#162f5d 58%,#104767);
}

.more-card:after {
  content: "";
  position: absolute;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(198,220,255,.12);
  border-radius: 50%;
  right: -75px;
  top: -140px;
  box-shadow: 0 0 0 42px rgba(255,255,255,.022),0 0 0 84px rgba(255,255,255,.013);
}

.more-card h2 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 12px;
}

.more-card p:not(.eyebrow) {
  color: #b8d2ec;
  font-size: 12px;
  margin: 0;
  max-width: 520px;
}

.more-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  z-index: 1;
  min-width: 190px;
}

/* ========== CONTENT SUBPAGES ========== */

.subhero {
  min-height: 315px;
  padding-top: 92px;
  padding-bottom: 45px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.subhero-pill {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: #ffcd70;
  background: rgba(255,191,40,.085);
  border: 1px solid rgba(255,191,40,.22);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .13em;
}

.subhero-pill svg {
  width: 15px;
  height: 15px;
}

.subhero h1 {
  font-size: clamp(45px,5.3vw,70px);
  line-height: 1.13;
  margin: 20px 0 13px;
}

.subhero>p {
  max-width: 650px;
  color: #9eacc5;
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
}

.subhero-glow {
  position: absolute;
  inset: -60px -15% -30px auto;
  z-index: -1;
  width: 560px;
  border-radius: 50%;
  background: radial-gradient(ellipse,rgba(104,83,219,.12),transparent 67%);
  pointer-events: none;
}

.utility-section {
  padding-top: 22px;
}

.utility-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.utility-card {
  min-height: 288px;
  display: grid;
  grid-template-columns: 1fr .95fr;
  border: 1px solid rgba(147,168,218,.24);
  border-radius: 23px;
  overflow: hidden;
  background: linear-gradient(115deg,#131c2d,#101b2c 75%);
  transition: border-color .3s ease, box-shadow .3s ease;
}

.utility-info {
  padding: 34px 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.utility-mini {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  color: #eec56d;
  display: flex;
  gap: 10px;
  align-items: center;
}

.utility-mini svg {
  width: 16px;
  height: 16px;
}

.utility-info h2 {
  font-size: 28px;
  line-height: 1.17;
  font-family: var(--display);
  margin: 13px 0 10px;
}

.utility-info p {
  color: #9faec8;
  font-size: 12px;
  max-width: 430px;
  line-height: 1.82;
  margin: 0 0 20px;
}

.utility-info .button {
  min-height: 42px;
}

.utility-visual {
  position: relative;
  min-width: 0;
  min-height: 288px;
  background: #131b2f;
  overflow: hidden;
}

.utility-visual>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .45s ease;
}

.utility-card:hover .utility-visual img {
  transform: scale(1.04);
}

.utility-visual-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 24px 18px;
  background: linear-gradient(0deg,rgba(4,8,22,.9),transparent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .11em;
}

.below-note {
  margin-top: 27px;
  padding: 20px;
  border: 1px dashed rgba(137,162,211,.22);
  background: rgba(63,75,115,.075);
  border-radius: 13px;
  text-align: center;
  color: #95a6be;
  font-size: 11px;
  display: none;
}

.below-note svg {
  color: var(--gold);
  width: 15px;
  height: 15px;
}

.below-note strong {
  color: #c9d4e5;
}

.utility-card:hover {
  border-color: rgba(134, 167, 244, .43);
  box-shadow: 0 22px 55px rgba(0, 0, 0, .24);
}

/* ========== VIDEO GUIDES ========== */

.guides-section {
  padding-top: 24px;
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 20px;
}

.guide-card {
  overflow: hidden;
  background: linear-gradient(145deg,#151f33,#0e1727);
  border: 1px solid rgba(158,174,214,.19);
  border-radius: 19px;
  transition: border-color .2s,transform .2s,opacity .65s;
}

.guide-card:hover {
  border-color: rgba(151,163,245,.47);
  transform: translateY(-5px);
}

.guide-thumbnail {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #202d47;
}

.guide-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s;
}

.guide-card:hover .guide-thumbnail img {
  transform: scale(1.07);
}

.guide-thumbnail:after {
  position: absolute;
  content: "";
  inset: 0;
  background: linear-gradient(0deg,rgba(5,9,24,.48),transparent 56%);
}

.guide-thumb-number {
  position: absolute;
  z-index: 1;
  top: 15px;
  left: 16px;
  padding: 5px 10px;
  background: rgba(8,15,31,.7);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 8px;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}

.video-play {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 53px;
  height: 53px;
  border-radius: 50%;
  background: rgba(255,255,255,.94);
  display: grid;
  place-items: center;
  color: #252e55;
  box-shadow: 0 11px 30px rgba(0,0,0,.19);
}

.video-play svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  stroke-width: 1.2;
  margin-left: 3px;
}

.guide-body {
  padding: 22px 22px 24px;
}

.guide-category {
  color: #80caff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guide-body h3 {
  font-size: 18px;
  line-height: 1.45;
  margin: 8px 0 22px;
  min-height: 51px;
  letter-spacing: -.03em;
}

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #ffcf73;
  font-weight: 800;
}

.guide-link .icon {
  width: 16px;
  height: 16px;
}

.guide-link:hover {
  color: #fff;
}

.tiktok-banner {
  border-radius: 24px;
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 34px 39px;
  background: linear-gradient(105deg,#172b41,#152b4e 60%,#1a2150);
  border: 1px solid rgba(82,203,210,.21);
}

.tiktok-banner-icon {
  width: 67px;
  height: 67px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(146,244,239,.18);
  flex: none;
}

.tiktok-banner-icon .social-symbol {
  transform: scale(1.55);
}

.tiktok-banner>div:nth-child(2) {
  flex: 1;
}

.tiktok-banner .eyebrow {
  margin-bottom: 8px;
  font-size: 9px;
}

.tiktok-banner h2 {
  font-size: 24px;
  margin: 0 0 5px;
}

.tiktok-banner p {
  color: #b4c4dd;
  font-size: 12px;
  margin: 0;
}

.tiktok-banner p strong {
  color: #fff;
}

.tiktok-banner .button {
  flex: none;
}

/* ========== FOOTER ========== */

.site-footer {
  background: linear-gradient(180deg,rgba(11,18,31,.1),rgba(7,12,22,.87));
  border-top: 1px solid rgba(159,179,222,.13);
  padding-top: 57px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 47px;
}

.footer-wordmark {
  margin-bottom: 20px;
}

.footer-grid>div:first-child>p {
  font-size: 11px;
  color: #8395b2;
  max-width: 330px;
  line-height: 1.9;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.footer-column h4 {
  font-family: var(--display);
  font-size: 13px;
  margin: 0 0 10px;
}

.footer-column a,.footer-column button {
  background: none;
  border: 0;
  padding: 0;
  color: #9caac3;
  font-size: 11px;
  cursor: pointer;
}

.footer-column a:hover,.footer-column button:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid rgba(170,182,227,.095);
  padding: 18px 0 23px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 10px;
  color: #7283a2;
}

.footer-bottom b {
  color: #afc0db;
}

/* ========== SUPPORT MODAL & TOAST ========== */

.support-fab {
  position: fixed;
  right: 25px;
  bottom: 24px;
  z-index: 39;
  display: flex;
  align-items: center;
  gap: 10px;
  border: none;
  border-radius: 99px;
  background: linear-gradient(115deg,#ff9e1e,#ffd347);
  color: #2c230f;
  padding: 13px 21px;
  box-shadow: 0 14px 38px rgba(242,165,12,.35);
  font-size: 12px;
  font-weight: 900;
}

.support-fab:hover {
  transform: translateY(-4px);
}

.support-fab svg {
  width: 20px;
  height: 20px;
  fill: rgba(68,40,0,.17);
}

.support-fab i {
  position: absolute;
  right: 4px;
  top: 1px;
  background: #5affad;
  border: 2px solid #efb22d;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.support-backdrop {
  position: fixed;
  inset: 0;
  z-index: 48;
  background: rgba(2,5,14,.71);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

.support-panel {
  position: fixed;
  z-index: 49;
  right: 26px;
  bottom: 89px;
  width: min(430px,calc(100vw - 28px));
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  border-radius: 21px;
  background: #111a2b;
  border: 1px solid rgba(243,178,42,.34);
  box-shadow: 0 27px 100px rgba(0,0,0,.67);
  animation: popup .22s ease-out;
}

.support-backdrop[hidden],.support-panel[hidden] {
  display: none;
}

.support-top {
  background: #0b111e;
  border-bottom: 1px solid var(--line);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.support-avatar {
  height: 42px;
  width: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: var(--gold);
  background: rgba(236,181,35,.12);
  border: 1px solid rgba(236,181,35,.24);
}

.support-top>div {
  flex: 1;
}

.support-top h2 {
  font-family: var(--display);
  font-size: 17px;
  margin: 0;
}

.support-top p {
  font-size: 10px;
  color: #9aaac3;
  margin: 3px 0 0;
}

.support-close {
  background: #252f40;
  border: none;
  color: #b1bdd1;
  place-items: center;
  align-items: center !important;
  justify-content: center !important;
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  min-height: 38px !important;
  padding: 0 !important;
  line-height: 1 !important;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex !important;
}

.support-close .icon {
  width: 18px;
  height: 18px;
  display: block;
}

.support-content {
  padding: 19px 20px 15px;
}

.support-content>p:first-child {
  font-size: 11px;
  color: #a8b7ce;
  margin: 0 0 17px;
  line-height: 1.9;
}

.support-context {
  background: rgba(244,176,33,.12);
  color: #f9cf83;
  border: 1px solid rgba(244,176,33,.19);
  border-radius: 9px;
  padding: 10px 12px;
  margin-bottom: 13px;
  font-weight: 700;
  font-size: 11px;
}

.support-context[hidden] {
  display: none;
}

.support-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.support-link {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(74,138,215,.23);
  border-radius: 12px;
  background: rgba(35,87,163,.14);
  padding: 11px 13px;
  color: #80bbff;
}

.support-link:hover {
  background: rgba(35,87,163,.26);
  transform: translateX(2px);
}

.support-link>span:nth-child(1) {
  width: 31px;
  display: grid;
  place-items: center;
}

.support-link>span:nth-child(2) {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.support-link strong {
  font-size: 12px;
  font-weight: 800;
}

.support-link small {
  font-size: 10px;
  color: #9caecb;
}

.support-link>.icon {
  width: 15px;
  height: 15px;
}

.support-link.zalo {
  background: rgba(20,145,202,.15);
  border-color: rgba(29,175,215,.31);
  color: #50d2ff;
}

.support-link.tiktok {
  background: rgba(74,81,150,.13);
  border-color: rgba(122,141,215,.23);
  color: #a6cbff;
}

.support-link.facebook {
  background: rgba(43,97,184,.12);
  border-color: rgba(82,132,204,.26);
  color: #86b4ff;
}

.support-small {
  font-size: 9px;
  color: #7588a5;
  margin: 14px 2px 4px;
}

.support-bottom {
  width: calc(100% - 40px);
  margin: 0 20px 19px;
  border: none;
  border-radius: 10px;
  background: #24324a;
  padding: 11px;
  color: #e9efff;
  font-weight: 800;
  font-size: 11px;
}

.support-bottom:hover {
  background: #314361;
}

.toast {
  position: fixed;
  z-index: 55;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%,30px);
  opacity: 0;
  pointer-events: none;
  background: #222e49;
  border: 1px solid rgba(177,191,225,.24);
  padding: 12px 20px;
  border-radius: 11px;
  color: #e8eefe;
  font-size: 12px;
  box-shadow: var(--shadow);
  transition: transform .25s,opacity .25s;
  min-width: min(340px,90vw);
  text-align: center;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%,0);
}

.support-copy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
  padding: 0;
  margin: 0 0 14px;
}

.support-copy-row > span {
  font-size: 13px;
  font-weight: 600;
  color: #c6d3e9;
}

.support-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 12px;
  border: 1px solid #276784;
  border-radius: 9px;
  background: #122c40;
  color: #57d7f5;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: 0.2s ease;
  min-height: 38px;
}

.support-copy-btn:hover {
  background: #17435c;
  border-color: #49c9eb;
}

.support-copy-btn svg {
  flex-shrink: 0;
}

.support-content .support-links {
  margin-top: 0;
}

.support-close svg {
  display: block !important;
  width: 18px !important;
  height: 18px !important;
  margin: 0 !important;
  flex-shrink: 0;
}

.support-copy-btn:focus-visible {
  outline: 2px solid #52daed;
}

/* ========== NOT FOUND PAGE ========== */

.error-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
}

.error-content {
  text-align: center;
  padding: 20px;
}

.error-content .eyebrow {
  justify-content: center;
}

.error-content h1 {
  font-size: 50px;
}

.error-content p:not(.eyebrow) {
  color: var(--muted);
  margin-bottom: 30px;
}

/* ========== ANIMATIONS ========== */

@keyframes bob {
  0%,100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -9px;
  }
}

@keyframes feedback-drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes popup {
  from {
    opacity: 0;
    transform: translateY(18px) scale(.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes priceShine {
  0%, 20% {
    background-position: 100% 50%;
  }
  65%, 100% {
    background-position: 0% 50%;
  }
}

/* ========== RESPONSIVE: MAX-WIDTH:1100PX ========== */
@media (max-width:1100px) {
  .shell {
    width: min(100% - 44px,1200px);
  }

  .nav-link {
    padding: 10px 12px;
  }

  .header-contact {
    padding: 10px 12px;
  }

  .hero {
    gap: 40px;
  }

  .hero h1 {
    font-size: clamp(67px,7.8vw,97px);
  }

  .social-card {
    padding: 16px 11px;
    gap: 10px;
  }

  .social-icon-wrap {
    width: 41px;
    height: 41px;
  }

  .social-detail strong {
    font-size: 13px;
  }

  .social-detail small {
    font-size: 9px;
  }

  .price-card {
    padding: 24px 18px;
  }

  .price-heading h3 {
    font-size: 21px;
  }

}

/* ========== RESPONSIVE: MAX-WIDTH:900PX ========== */
@media (max-width:900px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px 22px 20px;
    border-top: 1px solid var(--line);
  }

  .mobile-nav .nav-link {
    text-align: center;
    padding: 12px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr 1fr;
    gap: 27px;
    padding-top: 60px;
    padding-bottom: 80px;
  }

  .hero h1 {
    font-size: clamp(55px,7vw,78px);
  }

  .hero-desc {
    font-size: 13px;
  }

  .hero-points {
    flex-wrap: wrap;
  }

  .hero-visual {
    min-height: 330px;
  }

  .orbit-one {
    width: 340px;
    height: 230px;
  }

  .orbit-two {
    width: 320px;
    height: 360px;
  }

  .hero-brand-frame {
    aspect-ratio: .85;
  }

  .visual-float {
    font-size: 8px;
    padding: 7px 9px;
  }

  .price-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .price-card {
    min-height: 475px;
  }

  .price-grid .price-card:last-child {
    grid-column: 1/-1;
    min-height: 0;
  }

  .steps-grid {
    gap: 13px;
  }

  .step-card {
    padding: 22px;
  }

  .process-info {
    flex-wrap: wrap;
  }

  .process-info .button {
    margin-left: 62px;
  }

  .more-card {
    padding: 35px;
  }

  .utility-info {
    padding: 29px;
  }

  .utility-info h2 {
    font-size: 24px;
  }

  .guides-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .tiktok-banner {
    flex-wrap: wrap;
  }

  .tiktok-banner .button {
    margin-left: 92px;
  }

}

/* ========== RESPONSIVE: MAX-WIDTH:768PX ========== */
@media (max-width:768px) {
  .section-head {
    margin-bottom: 20px !important;
  }

  .socials-section,
    .pricing-section,
    .feedback-section,
    .process-section,
    .more-section {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
  }

  .social-detail small {
    font-size: 11px !important;
  }

  .price-old {
    font-size: 18px;
  }

  .price-discount {
    font-size: 11px;
    padding: 4px 9px;
  }

  .price-tag {
    font-size: 14px !important;
  }

  .benefit-list li {
    font-size: 15px !important;
  }

  .step-number {
    font-size: 50px !important;
  }

}

/* ========== RESPONSIVE: MAX-WIDTH:680PX ========== */
@media (max-width:680px) {
  body {
    font-size: 13px;
  }

  .shell {
    width: calc(100% - 32px);
  }

  .nav-inner {
    min-height: 70px;
  }

  .wordmark {
    min-width: 0;
    font-size: 16px;
  }

  .wordmark img {
    width: 37px;
    height: 37px;
  }

  .wordmark small {
    font-size: 7px;
  }

  .header-contact {
    padding: 9px;
    width: 42px;
    height: 42px;
    justify-content: center;
  }

  .header-contact span {
    display: none;
  }

  .section {
    padding: 26px 0 !important;
  }

  .section-head {
    display: block;
    margin-bottom: 27px;
  }

  .section-head h2 {
    font-size: 30px;
  }

  .section-head>p {
    margin-top: 14px;
    font-size: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0 !important;
    gap: 12px !important;
    padding-top: 26px !important;
    padding-bottom: 15px !important;
  }

  .hero-label {
    font-size: 9px;
    padding: 7px 11px;
    margin-bottom: 24px;
  }

  .hero-kicker {
    font-size: 10px;
    letter-spacing: .23em;
  }

  .hero h1 {
    font-size: clamp(67px,15vw,92px);
  }

  .hero-handle {
    font-size: 18px;
  }

  .hero-desc {
    font-size: 13px;
  }

  .hero-actions .button {
    min-height: 47px;
    padding: 11px 17px;
    font-size: 11px;
  }

  .hero-points {
    gap: 17px;
    font-size: 10px;
    margin-top: 15px !important;
    margin-bottom: 0 !important;
  }

  .hero-visual {
    min-height: 0 !important;
    height: auto !important;
    width: 100% !important;
    max-width: none !important;
    margin: 8px auto 0 !important;
    padding: 0 !important;
  }

  .hero-brand-frame {
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    transform: none !important;
    border-radius: 22px !important;
    aspect-ratio: 1 / 1 !important;
  }

  .visual-float.float-one {
    top: 6% !important;
    left: -2% !important;
  }

  .visual-float.float-two {
    right: -2% !important;
    bottom: 5% !important;
  }

  .hero-brand-frame > img {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    object-position: center !important;
    border-radius: 22px !important;
    object-fit: cover !important;
    min-height: 0 !important;
  }

  .socials-section {
    padding-top: 18px !important;
  }

  .social-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px;
  }

  .social-card {
    min-height: 101px;
    padding: 13px;
    gap: 10px;
  }

  .social-icon-wrap {
    height: 39px;
    width: 39px;
    border-radius: 11px;
  }

  .social-symbol {
    transform: scale(.88);
  }

  .social-detail strong {
    font-size: 13px;
  }

  .social-detail small {
    font-size: 9px;
  }

  .social-external {
    position: absolute;
    right: 9px;
    top: 9px;
  }

  .social-external .icon {
    width: 11px;
    height: 11px;
  }

  .price-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .price-grid .price-card:last-child {
    grid-column: auto;
  }

  .price-card,.price-grid .price-card:last-child {
    min-height: auto;
    padding: 25px 24px;
  }

  .price-number {
    padding: 3px 9px 5px 2px;
    font-size: clamp(40px, 12vw, 49px);
  }

  .price-button {
    margin-top: 18px;
  }

  .pricing-note {
    line-height: 1.6;
    padding: 0 7px;
    text-align: center;
  }

  .pricing-section {
    padding-top: 18px !important;
  }

  .feedback-tile {
    width: 162px;
    height: 215px;
  }

  .feedback-track {
    animation-duration: 46s;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step-card {
    min-height: 0;
  }

  .step-upper {
    margin-bottom: 18px;
  }

  .process-info {
    gap: 12px;
    padding: 20px;
  }

  .process-info>div:nth-child(2) {
    flex-basis: calc(100% - 65px);
  }

  .process-info .button {
    margin: 8px 0 0;
    width: 100%;
  }

  .more-section {
    padding-top: 16px;
  }

  .more-card {
    padding: 29px 25px;
    display: block;
  }

  .more-card h2 {
    font-size: 26px;
  }

  .more-actions {
    margin-top: 23px;
  }

  .subhero {
    min-height: auto;
    padding-top: 65px;
    padding-bottom: 43px;
  }

  .subhero h1 {
    font-size: clamp(43px,10vw,60px);
  }

  .subhero>p {
    font-size: 12px;
  }

  .utility-section {
    padding-top: 5px;
  }

  .utility-card {
    grid-template-columns: 1fr;
  }

  .utility-visual {
    min-height: 210px;
    grid-row: 1;
  }

  .utility-info {
    padding: 27px 24px;
    grid-row: 2;
  }

  .utility-info h2 {
    font-size: 24px;
  }

  .utility-list {
    gap: 20px;
  }

  .guides-section {
    padding-top: 5px;
  }

  .guides-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .guide-body {
    padding: 16px;
  }

  .guide-body h3 {
    font-size: 14px;
    min-height: 62px;
  }

  .guide-link {
    font-size: 10px;
  }

  .guide-thumbnail {
    aspect-ratio: 1.12;
  }

  .video-play {
    height: 45px;
    width: 45px;
  }

  .tiktok-banner {
    padding: 25px;
    gap: 17px;
  }

  .tiktok-banner .button {
    margin: 0;
    width: 100%;
  }

  .tiktok-banner-icon {
    width: 52px;
    height: 52px;
  }

  .tiktok-banner>div:nth-child(2) {
    flex-basis: calc(100% - 73px);
  }

  .tiktok-banner h2 {
    font-size: 18px;
  }

  .tiktok-banner p {
    font-size: 10px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-grid>div:first-child {
    grid-column: 1/-1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: start;
  }

  .support-fab {
    right: 15px;
    bottom: 15px;
    padding: 12px 15px;
    font-size: 11px;
  }

  .support-panel {
    right: 12px;
    bottom: 75px;
    max-height: calc(100dvh - 95px);
  }

}

/* ========== RESPONSIVE: MAX-WIDTH:480PX ========== */
@media (max-width:480px) {
  .support-copy-row > span {
    font-size: 12px;
  }

  .support-copy-btn {
    padding: 8px 10px;
    font-size: 11px;
  }

  .support-copy-row {
    gap: 8px;
  }

}

/* ========== RESPONSIVE: MAX-WIDTH:390PX ========== */
@media (max-width:390px) {
  .shell {
    width: calc(100% - 26px);
  }

  .hero-actions {
    gap: 8px;
  }

  .hero-actions .button {
    font-size: 10px;
    padding: 10px 13px;
  }

  .hero h1 {
    font-size: 64px;
  }

  .social-card {
    gap: 8px;
    padding: 11px 9px;
  }

  .social-detail small {
    font-size: 8px;
  }

  .social-detail strong {
    font-size: 12px;
  }

  .guide-body {
    padding: 13px;
  }

  .guide-body h3 {
    font-size: 13px;
  }

  .support-fab span {
    display: none;
  }

  .support-fab {
    width: 50px;
    height: 50px;
    padding: 0;
    justify-content: center;
  }

  .support-fab .icon {
    width: 24px;
    height: 24px;
  }

}

/* ========== RESPONSIVE: PREFERS-REDUCED-MOTION:REDUCE ========== */
@media (prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    scroll-behavior: auto !important;
  }

  .visual-float {
    animation: none;
  }

  .price-number {
    animation: none !important;
    background-position: center;
  }

  .feedback-track {
    animation: none;
  }

}

/* =========================================
   VIRTUAL POOL - HOME ANNOUNCEMENT POPUP
========================================= */

.vp-notice,
.vp-notice * {
  box-sizing: border-box;
}

.vp-notice[hidden] {
  display: none !important;
}

/* Khóa cuộn nền */
body.vp-notice-open {
  overflow: hidden;
}

/* Overlay */
.vp-notice {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  padding: 18px;
  isolation: isolate;
}

.vp-notice-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 16, 0.84);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}

/* Hộp thông báo */
.vp-notice-box {
  position: relative;
  width: min(100%, 520px);
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;

  padding: 34px;
  text-align: center;

  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(255, 187, 37, 0.12),
      transparent 48%
    ),
    linear-gradient(145deg, #162137, #0a1020);

  border: 1px solid rgba(255, 190, 55, 0.45);
  border-radius: 25px;

  box-shadow:
    0 30px 100px rgba(0, 0, 0, 0.65),
    0 0 45px rgba(255, 190, 55, 0.09);

  animation: vpNoticeEnter 0.45s
    cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* Thanh sáng phía trên */
.vp-notice-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 2px;

  background: linear-gradient(
    90deg,
    transparent,
    #ffc13d,
    transparent
  );

  box-shadow: 0 0 22px rgba(255, 193, 61, 0.65);
}

/* Nút đóng X */
.vp-notice-x {
  position: absolute;
  top: 15px;
  right: 15px;

  display: flex;
  align-items: center;
  justify-content: center;

  width: 35px;
  height: 35px;
  padding: 0;

  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  background: #243047;

  color: #b9c4d8;
  font-size: 24px;
  line-height: 1;

  cursor: pointer;
}

.vp-notice-x:hover {
  background: #354159;
  color: white;
}

/* Nhận diện thương hiệu */
.vp-notice-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  padding: 7px 13px;
  margin-bottom: 20px;

  border: 1px solid rgba(255,193,61,0.28);
  border-radius: 100px;

  background: rgba(255,193,61,0.07);
  color: #ffd16b;

  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
}

.vp-notice-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ffc13d;
  box-shadow: 0 0 10px #ffc13d;
}

/* Biểu tượng loa */
.vp-notice-symbol {
  width: 66px;
  height: 66px;
  margin: 0 auto 17px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  color: #ffc13d;

  background:
    linear-gradient(135deg, #403118, #211b17);

  border: 1px solid rgba(255,193,61,0.28);

  box-shadow: 0 0 32px rgba(255,193,61,0.12);

  animation: vpNoticeGlow 3s ease-in-out infinite;
}

/* Tiêu đề */
.vp-notice-box h2 {
  margin: 0 0 12px;

  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(27px, 5vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;

  color: #ffc13d;

  text-shadow:
    0 0 25px rgba(255,193,61,0.24);
}

.vp-notice-box h3 {
  color: #ffffff;
  font-size: clamp(17px, 3vw, 21px);
  font-weight: 800;
  line-height: 1.5;

  margin: 0 0 18px;
}

/* Nội dung */
.vp-notice-box p {
  color: #bdc9dd;
  font-size: 14px;
  line-height: 1.85;

  margin: 0 0 14px;
}

.vp-notice-box p strong {
  color: #ffd067;
  font-weight: 800;
}

/* Thông tin mở trên trình duyệt */
.vp-notice-tip {
  display: flex;
  align-items: flex-start;
  gap: 11px;

  margin: 23px 0;
  padding: 14px 15px;

  text-align: left;
  border-radius: 12px;

  color: #b9e8f4;
  background: rgba(62, 195, 228, 0.07);
  border: 1px solid rgba(62, 195, 228, 0.2);

  font-size: 12px;
  line-height: 1.7;
}

.vp-notice-tip-icon {
  color: #51d8ed;
  font-size: 18px;
  line-height: 1.2;
}

/* Hai nút hành động */
.vp-notice-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 11px;
  margin-top: 23px;
}

.vp-notice-primary,
.vp-notice-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  width: 100%;
  min-height: 49px;
  padding: 12px 18px;

  border-radius: 12px;
  text-decoration: none;
  font: inherit;
  font-size: 13px;
  font-weight: 800;

  cursor: pointer;
  transition: 0.25s ease;
}

/* Nút chính */
.vp-notice-primary {
  color: #18160c;
  border: 1px solid #ffc13d;

  background: linear-gradient(
    120deg,
    #ffad18,
    #ffd15b,
    #ffb51f
  );

  background-size: 200% 100%;

  box-shadow: 0 7px 25px rgba(255,180,29,0.2);
  animation: vpButtonShine 5s linear infinite;
}

.vp-notice-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(255,193,61,0.32);
}

/* Nút phụ */
.vp-notice-secondary {
  color: #b9c5db;
  background: #202c42;
  border: 1px solid rgba(180,202,245,0.13);
}

.vp-notice-secondary:hover {
  color: white;
  background: #30405b;
}

/* Focus bàn phím */
.vp-notice button:focus-visible,
.vp-notice a:focus-visible {
  outline: 2px solid #69e4f5;
  outline-offset: 3px;
}

/* Animations */
@keyframes vpNoticeEnter {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes vpNoticeGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255,193,61,0.1);
  }

  50% {
    box-shadow: 0 0 35px rgba(255,193,61,0.25);
  }
}

@keyframes vpButtonShine {
  from {
    background-position: 100% 50%;
  }

  to {
    background-position: -100% 50%;
  }
}

/* Tối ưu điện thoại */
@media (max-width: 600px) {
  .vp-notice {
    padding: 13px;
  }

  .vp-notice-box {
    padding: 27px 20px 22px;
    border-radius: 20px;
  }

  .vp-notice-brand {
    font-size: 9px;
    margin-bottom: 16px;
  }

  .vp-notice-box h3 {
    font-size: 17px;
  }

  .vp-notice-box p {
    font-size: 13px;
    line-height: 1.75;
  }

  .vp-notice-tip {
    margin: 18px 0;
    font-size: 11px;
  }
}

/* Giảm chuyển động nếu người dùng yêu cầu */
@media (prefers-reduced-motion: reduce) {
  .vp-notice-box,
  .vp-notice-symbol,
  .vp-notice-primary {
    animation: none !important;
  }
}