/* ==========================================================
   Vital Nova Healthy - Stylesheet
   "Nova sky": deep petrol, iris violet, aurora mint and
   starlight peach on pearl. Josefin Sans + Libre Franklin.
   ========================================================== */
:root {
  --petrol: #0f3442;
  --petrol-2: #15495b;
  --petrol-3: #1c5a6e;
  --iris: #6b4ef6;
  --iris-2: #8a72ff;
  --iris-soft: #ece8ff;
  --mint: #7fe3c4;
  --mint-2: #4fcfa8;
  --mint-soft: #e2f8f1;
  --peach: #ffb38a;
  --peach-soft: #fff0e6;
  --pearl: #f5f6fb;
  --mist: #eef0fa;
  --white: #ffffff;
  --ink: #1b2533;
  --text: #4a5568;
  --muted: #6b7486;
  --line: #dfe3f0;
  --shadow: 0 18px 44px rgba(15, 52, 66, .10);
  --shadow-lg: 0 28px 70px rgba(15, 52, 66, .16);
  --glow: 0 12px 30px rgba(107, 78, 246, .35);
  --radius: 22px;
  --halo: conic-gradient(from 0deg, var(--iris), var(--mint), var(--peach), var(--iris-2), var(--iris));
  --ff-head: "Josefin Sans", system-ui, sans-serif;
  --ff-body: "Libre Franklin", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  color: var(--text);
  background: var(--pearl);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-head);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
}
a { color: var(--iris); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--petrol); }
img { max-width: 100%; display: block; }
em { font-style: normal; }
::selection { background: var(--iris); color: #fff; }

.section { padding: 100px 0; position: relative; }
.bg-mist { background: var(--mist); }
.section-title { font-size: clamp(1.9rem, 3.2vw, 2.7rem); margin: 14px 0 6px; }
.section-title em, h1 em, .cta-panel h2 em {
  background: linear-gradient(100deg, var(--iris) 10%, var(--iris-2) 55%, var(--mint-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-lead { font-size: 1.1rem; color: var(--ink); opacity: .82; margin-top: 12px; }

/* starfield texture for dark areas */
.starfield {
  background-color: var(--petrol);
  background-image:
    radial-gradient(1.4px 1.4px at 20px 30px, rgba(255,255,255,.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 90px 80px, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 150px 20px, rgba(127,227,196,.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 60px 140px, rgba(255,179,138,.5) 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 170px 120px, rgba(255,255,255,.35) 50%, transparent 51%);
  background-size: 190px 170px;
}

/* aurora glows */
.aurora {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; pointer-events: none;
  animation: drift 16s ease-in-out infinite alternate;
}
.aurora.a1 { width: 420px; height: 420px; background: var(--iris); top: -140px; right: -80px; }
.aurora.a2 { width: 340px; height: 340px; background: var(--mint); top: 38%; left: -180px; opacity: .4; animation-delay: -6s; }
.aurora.a3 { width: 260px; height: 260px; background: var(--peach); top: 40%; right: 30%; opacity: .32; animation-delay: -10s; }
@keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(-40px, 30px) scale(1.12); } }

/* sparkles */
.spk { position: absolute; width: 26px; height: 26px; color: var(--peach); animation: twinkle 3.4s ease-in-out infinite; pointer-events: none; z-index: 3; }
.spk.s2 { color: var(--mint); width: 18px; height: 18px; animation-delay: -1.2s; }
.spk.s3 { color: var(--iris-2); width: 22px; height: 22px; animation-delay: -2.2s; }
@keyframes twinkle { 0%, 100% { transform: scale(1) rotate(0); opacity: 1; } 50% { transform: scale(.6) rotate(45deg); opacity: .55; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* kicker + divider */
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--ff-head); font-weight: 700; font-size: .82rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--iris);
  background: var(--iris-soft); padding: 8px 16px 6px; border-radius: 50px;
}
.kicker .kspk { width: 14px; height: 14px; color: var(--peach); flex: 0 0 auto; margin-top: -2px; }
.kicker.light { background: rgba(255,255,255,.1); color: var(--mint); border: 1px solid rgba(127,227,196,.3); }
.spark-rule { display: block; width: 150px; height: 18px; margin: 14px 0 4px; }
.spark-rule.center { margin-left: auto; margin-right: auto; }
.spark-rule .ln { fill: var(--iris); }
.spark-rule .ln2 { fill: var(--mint-2); }
.spark-rule .s1 { fill: var(--iris); }
.spark-rule .s2 { fill: var(--peach); }
.spark-rule .s3 { fill: var(--mint-2); }

/* planet horizon dividers */
.horizon { position: absolute; left: 0; width: 100%; height: 60px; z-index: 1; pointer-events: none; }
.horizon.top { top: -1px; }
.horizon.bottom { bottom: -1px; transform: scaleY(-1); }

/* buttons */
.btn-vn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-head); font-weight: 700; font-size: 1rem; letter-spacing: .02em;
  padding: 15px 30px 13px; border-radius: 50px; border: 0; cursor: pointer;
  color: #fff; background: linear-gradient(115deg, var(--iris), var(--iris-2));
  box-shadow: var(--glow); position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-vn::after {
  content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.45), transparent);
  transform: skewX(-20deg); transition: left .6s ease;
}
.btn-vn:hover { color: #fff; transform: translateY(-3px); box-shadow: 0 18px 38px rgba(107, 78, 246, .45); }
.btn-vn:hover::after { left: 120%; }
.btn-vn i { font-size: 1.05em; margin-top: -2px; }
.btn-vn-sm { padding: 11px 22px 9px; font-size: .92rem; }
.btn-vn-ghost { background: transparent; color: var(--petrol); box-shadow: inset 0 0 0 2px var(--petrol); }
.btn-vn-ghost:hover { background: var(--petrol); color: #fff; box-shadow: 0 14px 30px rgba(15, 52, 66, .25); }
.btn-vn-light { background: rgba(255,255,255,.1); color: #fff; box-shadow: inset 0 0 0 2px rgba(255,255,255,.35); }
.btn-vn-light:hover { background: var(--mint); color: var(--petrol); box-shadow: 0 14px 30px rgba(127, 227, 196, .35); }

/* ---------------------------------------------------------- header */
.vn-topbar { background: var(--petrol); color: rgba(255,255,255,.85); font-size: .88rem; padding: 9px 0; }
.vn-topbar .tb-note { align-items: center; gap: 8px; }
.vn-topbar .tspk { width: 14px; height: 14px; color: var(--peach); }
.vn-topbar .tb-links { display: flex; gap: 22px; flex-wrap: wrap; }
.vn-topbar a { color: rgba(255,255,255,.88); display: inline-flex; align-items: center; gap: 7px; }
.vn-topbar a:hover { color: var(--mint); }
.vn-topbar a i { color: var(--mint); }

.vn-header {
  position: sticky; top: 0; z-index: 1030;
  background: rgba(245, 246, 251, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: box-shadow .3s ease, border-color .3s ease, background .3s ease;
}
.vn-header.scrolled { background: rgba(255,255,255,.95); box-shadow: 0 10px 30px rgba(15, 52, 66, .08); border-color: var(--line); }
.navbar-vn { padding: 16px 0; }
.vn-logo { display: inline-flex; align-items: center; gap: 11px; white-space: nowrap; }
.vn-logo .emblem { width: 46px; height: 46px; flex: 0 0 auto; }
.vn-logo .emblem svg { width: 100%; height: 100%; display: block; }
.vn-logo .word {
  font-family: var(--ff-head); font-weight: 700; font-size: 1.5rem; color: var(--petrol);
  letter-spacing: -.01em; line-height: 1; padding-top: 4px;
}
.vn-logo .word b {
  font-weight: 700;
  background: linear-gradient(100deg, var(--iris), var(--iris-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.navbar-vn .nav-link {
  font-family: var(--ff-head); font-weight: 600; font-size: 1.02rem; color: var(--ink);
  padding: 10px 16px !important; position: relative;
}
.navbar-vn .nav-link::after {
  content: ""; position: absolute; left: 50%; bottom: 2px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--iris); transform: translateX(-50%) scale(0); transition: transform .25s ease;
}
.navbar-vn .nav-link:hover, .navbar-vn .nav-link.active { color: var(--iris); }
.navbar-vn .nav-link:hover::after, .navbar-vn .nav-link.active::after { transform: translateX(-50%) scale(1); }
.navbar-vn .navbar-toggler {
  border: 0; font-size: 1.8rem; color: var(--petrol); padding: 4px 10px; border-radius: 12px; background: var(--iris-soft);
}
.navbar-vn .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(107, 78, 246, .3); }

/* ---------------------------------------------------------- hero */
.hero { position: relative; overflow: hidden; padding: 90px 0 150px; background: linear-gradient(180deg, var(--pearl), #f1efff); }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.9rem); margin: 20px 0 8px; }
.hero .lead-text { font-size: 1.12rem; color: var(--text); margin: 14px 0 22px; max-width: 560px; }
.hero-tags { list-style: none; padding: 0; margin: 0 0 32px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px 7px; border-radius: 50px;
  background: rgba(255,255,255,.75); border: 1px solid var(--line); font-weight: 600; font-size: .92rem; color: var(--ink);
  box-shadow: 0 6px 16px rgba(15, 52, 66, .05);
}
.hero-tags li i { color: var(--iris); }

.nova-portal { position: relative; width: min(100%, 520px); aspect-ratio: 1; margin: 0 auto; }
.nova-portal .halo, .halo-photo .halo, .why-core .halo {
  position: absolute; inset: 0; border-radius: 50%; background: var(--halo);
  animation: spin 22s linear infinite; filter: saturate(1.1);
}
.nova-portal .halo::after, .halo-photo .halo::after, .why-core .halo::after {
  content: ""; position: absolute; inset: -18px; border-radius: 50%; background: inherit; filter: blur(30px); opacity: .45; z-index: -1;
}
.nova-portal .ring { position: absolute; inset: -26px; border-radius: 50%; border: 1.5px dashed rgba(107, 78, 246, .35); }
.nova-portal .disc, .halo-photo .disc, .why-core .disc {
  position: absolute; inset: 12px; border-radius: 50%; overflow: hidden; border: 6px solid #fff; background: #fff;
}
.nova-portal .disc img, .halo-photo .disc img, .why-core .disc img { width: 100%; height: 100%; object-fit: cover; }
.nova-portal .badge-photo {
  position: absolute; width: 30%; aspect-ratio: 1; left: -4%; bottom: 2%; border-radius: 50%; overflow: hidden;
  border: 6px solid #fff; box-shadow: var(--shadow-lg); z-index: 2;
}
.nova-portal .badge-photo img { width: 100%; height: 100%; object-fit: cover; }
.nova-portal .spk.s1 { top: 2%; left: 10%; width: 34px; height: 34px; }
.nova-portal .spk.s2 { top: 16%; right: -2%; }
.nova-portal .spk.s3 { bottom: 4%; right: 14%; }
.nova-portal .tag, .halo-photo .pill {
  position: absolute; z-index: 3; display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px 8px; border-radius: 50px; font-family: var(--ff-head); font-weight: 700; font-size: .95rem;
  background: rgba(255,255,255,.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color: var(--petrol); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.9); white-space: nowrap;
  animation: bob 5s ease-in-out infinite;
}
.nova-portal .tag i { color: var(--iris); }
.nova-portal .tag.t1 { top: 12%; left: -6%; }
.nova-portal .tag.t2 { bottom: 18%; right: -6%; animation-delay: -2.5s; }
.nova-portal .tag.t2 i { color: var(--peach); }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------------------------------------------------------- constellation steps */
.steps-strip { position: relative; z-index: 4; margin-top: -90px; }
.constellation {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  background: var(--petrol); border-radius: 28px; padding: 40px 34px 34px; box-shadow: var(--shadow-lg); overflow: hidden;
  background-image:
    radial-gradient(1.4px 1.4px at 20px 30px, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 90px 80px, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 150px 20px, rgba(127,227,196,.5) 50%, transparent 51%);
  background-size: 190px 120px;
}
.constellation .star-line { position: absolute; left: 34px; right: 34px; top: 46px; width: calc(100% - 68px); height: 40px; }
.constellation .star-line path { fill: none; stroke: rgba(127, 227, 196, .55); stroke-width: 2; stroke-dasharray: 2 9; stroke-linecap: round; }
.star-step { position: relative; z-index: 1; color: rgba(255,255,255,.78); }
.star-step .node {
  width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; font-size: 1.45rem;
  color: var(--petrol); background: radial-gradient(circle at 35% 30%, #fff, var(--mint) 70%);
  box-shadow: 0 0 0 6px rgba(127, 227, 196, .15), 0 0 26px rgba(127, 227, 196, .55); margin-bottom: 18px;
}
.star-step:nth-child(3) .node { background: radial-gradient(circle at 35% 30%, #fff, var(--iris-2) 70%); color: #fff; box-shadow: 0 0 0 6px rgba(138, 114, 255, .18), 0 0 26px rgba(138, 114, 255, .6); }
.star-step:nth-child(4) .node { background: radial-gradient(circle at 35% 30%, #fff, var(--peach) 70%); box-shadow: 0 0 0 6px rgba(255, 179, 138, .16), 0 0 26px rgba(255, 179, 138, .55); }
.star-step small { display: block; font-family: var(--ff-head); font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--peach); font-size: .78rem; }
.star-step h5 { color: #fff; font-size: 1.2rem; margin: 6px 0 8px; }
.star-step p { font-size: .94rem; margin: 0; line-height: 1.6; }

/* ---------------------------------------------------------- about duo */
.halo-duo { position: relative; padding: 0 70px 70px 0; max-width: 560px; }
.halo-duo .main {
  border-radius: 240px 240px 28px 28px; overflow: hidden; aspect-ratio: 520 / 600; box-shadow: var(--shadow-lg);
  position: relative;
}
.halo-duo .main::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  box-shadow: inset 0 0 0 6px rgba(255,255,255,.55);
}
.halo-duo .main img { width: 100%; height: 100%; object-fit: cover; }
.halo-duo .small {
  position: absolute; right: 0; bottom: 0; width: 46%; aspect-ratio: 1; border-radius: 50%; overflow: hidden;
  border: 8px solid #fff; box-shadow: var(--shadow-lg);
}
.halo-duo .small::before {
  content: ""; position: absolute; inset: -14px; border-radius: 50%; background: var(--halo); z-index: -1;
}
.halo-duo .small img { width: 100%; height: 100%; object-fit: cover; }
.halo-duo .spk.s1 { top: 6%; right: 12%; width: 36px; height: 36px; }
.halo-duo .note {
  position: absolute; left: -18px; bottom: 26%; background: var(--petrol); color: #fff; padding: 16px 22px 14px;
  border-radius: 18px; box-shadow: var(--shadow-lg); max-width: 270px; border-left: 4px solid var(--mint);
}
.halo-duo .note strong { display: block; font-family: var(--ff-head); font-size: 1.08rem; }
.halo-duo .note span { font-size: .88rem; color: rgba(255,255,255,.75); }

.glow-list { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
.glow-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--ink); }
.glow-list li i {
  width: 40px; height: 40px; flex: 0 0 auto; border-radius: 12px; display: grid; place-items: center;
  background: var(--iris-soft); color: var(--iris); font-size: 1.1rem;
}
.glow-list li:nth-child(even) i { background: var(--mint-soft); color: var(--mint-2); }

/* ---------------------------------------------------------- why choose us */
.why-sec { color: rgba(255,255,255,.8); padding: 150px 0; overflow: hidden; }
.why-sec .section-title, .why-sec h2, .why-sec h5 { color: #fff; }
.why-sec .section-lead { color: rgba(255,255,255,.78); opacity: 1; }
.why-sec .container { z-index: 2; }
.beam-card {
  display: flex; gap: 16px; align-items: flex-start; padding: 22px 22px 20px; border-radius: 20px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(6px);
  position: relative; transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.beam-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); border-color: rgba(127, 227, 196, .5); }
.beam-card .ic {
  width: 50px; height: 50px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem;
  background: linear-gradient(135deg, var(--iris), var(--iris-2)); color: #fff; box-shadow: 0 0 22px rgba(138, 114, 255, .5);
}
.beam-card.right .ic { background: linear-gradient(135deg, var(--mint-2), var(--mint)); color: var(--petrol); box-shadow: 0 0 22px rgba(127, 227, 196, .45); }
.beam-card h5 { font-size: 1.1rem; margin: 4px 0 6px; }
.beam-card p { margin: 0; font-size: .93rem; line-height: 1.6; }
.beam-card::after {
  content: ""; position: absolute; top: 50%; width: 28px; border-top: 2px dotted rgba(127, 227, 196, .55);
}
.beam-card.left::after { right: -30px; }
.beam-card.right::after { left: -30px; }
.why-core { position: relative; width: min(100%, 380px); aspect-ratio: 1; margin: 20px auto 60px; }
.why-core .disc { border-color: var(--petrol); }
.why-core .spk.s1 { top: -4%; right: 8%; width: 34px; height: 34px; }
.why-core .spk.s2 { bottom: 10%; left: -4%; }
.why-core .label {
  position: absolute; left: 50%; bottom: -46px; transform: translateX(-50%); white-space: nowrap;
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--ff-head); font-weight: 700;
  background: var(--mint); color: var(--petrol); padding: 10px 18px 8px; border-radius: 50px; box-shadow: 0 0 26px rgba(127, 227, 196, .45);
}
.why-core .lspk { width: 15px; height: 15px; color: var(--iris); margin-top: -2px; }

/* ---------------------------------------------------------- services */
.svc-card {
  height: 100%; background: #fff; border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--shadow); position: relative; transition: transform .35s ease, box-shadow .35s ease;
  border: 1px solid rgba(223, 227, 240, .7);
}
.svc-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 2px; background: var(--halo);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .35s ease; pointer-events: none; z-index: 3;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.svc-card:hover::before { opacity: 1; }
.svc-card .ph { position: relative; aspect-ratio: 3 / 2; overflow: hidden; clip-path: ellipse(92% 100% at 50% 0%); }
.svc-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.svc-card:hover .ph img { transform: scale(1.07); }
.svc-card .chip {
  position: absolute; top: 16px; left: 16px; display: inline-flex; align-items: center; gap: 6px;
  background: rgba(15, 52, 66, .78); color: #fff; font-size: .8rem; font-weight: 600; padding: 6px 13px 5px; border-radius: 50px;
  backdrop-filter: blur(6px);
}
.svc-card .cspk { width: 12px; height: 12px; color: var(--mint); }
.svc-card .bd { padding: 0 28px 30px; flex: 1; display: flex; flex-direction: column; align-items: flex-start; position: relative; }
.svc-card .ic {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; font-size: 1.6rem; color: #fff;
  background: linear-gradient(135deg, var(--iris), var(--iris-2)); margin-top: -34px; border: 5px solid #fff;
  box-shadow: var(--glow); position: relative; z-index: 2;
}
.svc-card.t1 .ic { background: linear-gradient(135deg, var(--mint-2), var(--mint)); color: var(--petrol); box-shadow: 0 12px 26px rgba(79, 207, 168, .4); }
.svc-card.t2 .ic { background: linear-gradient(135deg, #ff9466, var(--peach)); color: var(--petrol); box-shadow: 0 12px 26px rgba(255, 148, 102, .38); }
.svc-card h4 { font-size: 1.32rem; margin: 18px 0 10px; }
.svc-card p { font-size: .96rem; margin-bottom: 22px; flex: 1; }

/* ---------------------------------------------------------- testimonials */
.star-card {
  height: 100%; margin: 0; padding: 38px 30px 30px; border-radius: var(--radius); position: relative; overflow: hidden;
  background: var(--petrol); color: rgba(255,255,255,.82); box-shadow: var(--shadow-lg); display: flex; flex-direction: column;
  background-image: radial-gradient(circle at 100% 0%, rgba(107, 78, 246, .55), transparent 55%),
                    radial-gradient(circle at 0% 100%, rgba(127, 227, 196, .22), transparent 50%);
  transition: transform .35s ease;
}
.star-card:hover { transform: translateY(-6px); }
.star-card .qspk { position: absolute; top: 22px; right: 24px; width: 46px; height: 46px; color: var(--peach); opacity: .9; animation: twinkle 4s ease-in-out infinite; }
.star-card .stars { color: var(--peach); display: inline-flex; gap: 4px; font-size: .95rem; }
.star-card blockquote { font-size: 1.04rem; line-height: 1.75; margin: 18px 0 26px; flex: 1; color: #fff; }
.star-card figcaption { display: flex; align-items: center; gap: 14px; border-top: 1px solid rgba(255,255,255,.14); padding-top: 20px; }
.star-card .av { width: 60px; height: 60px; border-radius: 50%; padding: 3px; background: var(--halo); flex: 0 0 auto; }
.star-card .av img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid var(--petrol); }
.star-card strong { display: block; color: #fff; font-family: var(--ff-head); font-size: 1.1rem; }
.star-card small { color: var(--mint); font-size: .86rem; }

/* ---------------------------------------------------------- blog cards */
.post-card {
  height: 100%; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: transform .35s ease, box-shadow .35s ease;
}
.post-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.post-card .thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.post-card:hover .thumb img { transform: scale(1.06); }
.post-card .ptag {
  position: absolute; left: 16px; bottom: 16px; background: var(--mint); color: var(--petrol);
  font-family: var(--ff-head); font-weight: 700; font-size: .8rem; padding: 7px 14px 5px; border-radius: 50px;
}
.post-card .body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.post-card .meta { font-size: .86rem; color: var(--muted); margin-bottom: 10px; display: flex; gap: 7px; align-items: center; }
.post-card .meta i { color: var(--iris); }
.post-card h4 { font-size: 1.22rem; line-height: 1.35; margin-bottom: 12px; }
.post-card h4 a { color: var(--ink); }
.post-card h4 a:hover { color: var(--iris); }
.post-card p { font-size: .95rem; flex: 1; }
.link-more { font-family: var(--ff-head); font-weight: 700; display: inline-flex; gap: 8px; align-items: center; color: var(--iris); }
.link-more i { transition: transform .25s ease; }
.link-more:hover i { transform: translateX(5px); }

/* ---------------------------------------------------------- FAQ */
.faq-art { position: relative; max-width: 460px; margin: 0 auto; padding-bottom: 40px; }
.faq-art .glow { position: absolute; inset: 8% 0 6% 6%; border-radius: 50%; background: var(--halo); filter: blur(46px); opacity: .45; }
.faq-art .frame {
  position: relative; border-radius: 230px 230px 30px 30px; overflow: hidden; aspect-ratio: 460 / 560;
  border: 8px solid #fff; box-shadow: var(--shadow-lg);
}
.faq-art .frame img { width: 100%; height: 100%; object-fit: cover; }
.faq-art .spk.s1 { top: 4%; left: 4%; width: 36px; height: 36px; }
.faq-art .call {
  position: absolute; right: -14px; bottom: 0; display: flex; align-items: center; gap: 14px;
  background: #fff; padding: 16px 22px; border-radius: 20px; box-shadow: var(--shadow-lg);
}
.faq-art .call > i {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 1.4rem; color: #fff;
  background: linear-gradient(135deg, var(--iris), var(--iris-2)); box-shadow: var(--glow);
}
.faq-art .call strong { display: block; font-family: var(--ff-head); color: var(--ink); }
.faq-art .call a { font-weight: 700; color: var(--iris); }
.vn-acc .accordion-item {
  border: 1px solid var(--line); border-radius: 18px !important; margin-bottom: 14px; overflow: hidden; background: #fff;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.vn-acc .accordion-item:has(.accordion-button:not(.collapsed)) { border-color: rgba(107, 78, 246, .45); box-shadow: var(--shadow); }
.vn-acc .accordion-button {
  font-family: var(--ff-head); font-weight: 700; font-size: 1.08rem; color: var(--ink); padding: 20px 22px 18px;
  background: #fff; box-shadow: none !important;
}
.vn-acc .accordion-button:not(.collapsed) { color: var(--iris); background: linear-gradient(90deg, var(--iris-soft), #fff); }
.vn-acc .accordion-button::after {
  background-image: none; content: "\F64D"; font-family: "bootstrap-icons"; font-size: 1.1rem; width: 34px; height: 34px;
  border-radius: 50%; display: grid; place-items: center; background: var(--mint-soft); color: var(--petrol);
  transition: transform .3s ease, background .3s ease;
}
.vn-acc .accordion-button:not(.collapsed)::after { transform: rotate(45deg); background: var(--iris); color: #fff; }
.vn-acc .accordion-body { padding: 4px 22px 22px; }

/* ---------------------------------------------------------- CTA */
.cta-sec { padding: 0 0 100px; position: relative; }
.bg-mist .cta-sec { padding-top: 0; }
.cta-panel {
  position: relative; overflow: hidden; border-radius: 32px; padding: 64px 60px; color: rgba(255,255,255,.82);
  box-shadow: var(--shadow-lg);
}
.cta-panel .aurora.a1 { opacity: .5; }
.cta-panel h2 { color: #fff; font-size: clamp(2rem, 3.6vw, 2.9rem); margin: 18px 0 14px; }
.cta-panel h2 em { background: linear-gradient(100deg, var(--mint), var(--peach)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cta-panel p { font-size: 1.08rem; margin-bottom: 28px; max-width: 540px; }
.cta-photo { position: relative; width: min(100%, 360px); aspect-ratio: 1; margin: 0 auto; }
.cta-photo .burst {
  position: absolute; inset: -16%; border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(127, 227, 196, .35) 0 4deg, transparent 4deg 15deg);
  -webkit-mask: radial-gradient(circle, transparent 48%, #000 50%, transparent 72%);
  mask: radial-gradient(circle, transparent 48%, #000 50%, transparent 72%);
  animation: spin 40s linear infinite;
}
.cta-photo .disc {
  position: absolute; inset: 0; border-radius: 50%; overflow: hidden; border: 6px solid rgba(255,255,255,.9);
  box-shadow: 0 0 0 10px rgba(127, 227, 196, .18), 0 0 60px rgba(138, 114, 255, .55);
}
.cta-photo .disc img { width: 100%; height: 100%; object-fit: cover; }
.cta-photo .spk.s1 { top: 0; right: 4%; width: 34px; height: 34px; }
.cta-photo .spk.s2 { bottom: 6%; left: 0; }
.cta-photo .spk.s3 { top: 44%; right: -8%; }

/* ---------------------------------------------------------- page banner */
.page-hero { position: relative; overflow: hidden; padding: 80px 0 130px; color: rgba(255,255,255,.82); }
.page-hero h1 { color: #fff; font-size: clamp(2.3rem, 4.6vw, 3.5rem); margin: 18px 0 4px; }
.page-hero p { font-size: 1.1rem; max-width: 560px; margin: 10px 0 0; }
.page-hero .spark-rule .ln { fill: var(--mint); }
.page-hero .spark-rule .s1 { fill: var(--mint); }
.crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: .9rem; font-weight: 600; }
.crumbs a { color: var(--mint); }
.crumbs a:hover { color: #fff; }
.crumbs i { font-size: .7rem; opacity: .6; }
.crumbs span { color: rgba(255,255,255,.85); }
.halo-photo { position: relative; width: 330px; aspect-ratio: 1; margin-left: auto; margin-right: 30px; }
.halo-photo .disc { border-color: var(--petrol); }
.halo-photo .spk.s1 { top: 0; left: 4%; width: 32px; height: 32px; }
.halo-photo .spk.s2 { bottom: 14%; right: -8%; }
.halo-photo .pill { left: -18%; bottom: 8%; }
.halo-photo .pill i { color: var(--iris); }

/* ---------------------------------------------------------- about page */
.mv-card {
  height: 100%; padding: 42px 38px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.mv-card .ic {
  width: 62px; height: 62px; border-radius: 18px; display: grid; place-items: center; font-size: 1.6rem; color: #fff;
  background: linear-gradient(135deg, var(--iris), var(--iris-2)); box-shadow: var(--glow); margin-bottom: 22px;
}
.mv-card h3 { font-size: 1.6rem; margin-bottom: 12px; }
.mv-card p { margin: 0; font-size: 1.02rem; }
.mv-card.dark { color: rgba(255,255,255,.82); }
.mv-card.dark h3 { color: #fff; }
.mv-card.dark .ic { background: linear-gradient(135deg, var(--mint-2), var(--mint)); color: var(--petrol); box-shadow: 0 0 26px rgba(127, 227, 196, .45); }
.value-tile {
  height: 100%; text-align: center; padding: 36px 26px 30px; border-radius: var(--radius); background: #fff;
  box-shadow: var(--shadow); border-bottom: 4px solid var(--mint); transition: transform .3s ease, border-color .3s ease;
}
.value-tile:hover { transform: translateY(-6px); border-color: var(--iris); }
.value-tile .ic {
  width: 70px; height: 70px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; font-size: 1.7rem;
  color: var(--iris); background: var(--iris-soft); box-shadow: 0 0 0 8px rgba(107, 78, 246, .06);
}
.value-tile h5 { font-size: 1.22rem; margin-bottom: 8px; }
.value-tile p { margin: 0; font-size: .95rem; }
.promise-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.promise-list li {
  display: flex; gap: 18px; align-items: flex-start; padding: 22px 24px; border-radius: 20px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
}
.promise-list .ic {
  width: 50px; height: 50px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem;
  background: var(--mint); color: var(--petrol); box-shadow: 0 0 22px rgba(127, 227, 196, .4);
}
.promise-list h5 { color: #fff; font-size: 1.12rem; margin: 4px 0 6px; }
.promise-list p { margin: 0; font-size: .95rem; }
.team-card { height: 100%; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); text-align: center; transition: transform .35s ease; }
.team-card:hover { transform: translateY(-7px); }
.team-card .tphoto { position: relative; aspect-ratio: 9 / 10; overflow: hidden; border-radius: 0 0 50% 50% / 0 0 14% 14%; }
.team-card .tphoto img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.team-card:hover .tphoto img { transform: scale(1.06); }
.team-card .info { padding: 22px 20px 26px; }
.team-card h5 { font-size: 1.2rem; margin-bottom: 4px; }
.team-card .info > span { display: block; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.team-card .soc { display: flex; justify-content: center; gap: 10px; margin-top: 14px; }
.team-card .soc a {
  width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--iris-soft); color: var(--iris);
}
.team-card .soc a:hover { background: var(--iris); color: #fff; }

/* ---------------------------------------------------------- contact */
.form-card { background: #fff; border-radius: 26px; padding: 44px 40px; box-shadow: var(--shadow); position: relative; }
.form-card h3 { font-size: 1.7rem; margin-bottom: 8px; }
.form-label { font-weight: 600; color: var(--ink); font-size: .94rem; }
.form-control, .form-select {
  border: 1.5px solid var(--line); border-radius: 14px; padding: 13px 16px; font-size: .98rem; background-color: var(--pearl);
  transition: border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.form-control:focus, .form-select:focus { border-color: var(--iris); box-shadow: 0 0 0 4px rgba(107, 78, 246, .15); background-color: #fff; }
.form-check-input { border: 1.5px solid #b8bfd3; }
.form-check-input:checked { background-color: var(--iris); border-color: var(--iris); }
.form-check-input:focus { box-shadow: 0 0 0 4px rgba(107, 78, 246, .15); border-color: var(--iris); }
.form-success {
  display: none; margin-top: 20px; padding: 16px 20px; border-radius: 16px; background: var(--mint-soft); color: var(--petrol);
  font-weight: 600; align-items: center; gap: 10px; border: 1px solid rgba(79, 207, 168, .45);
}
.form-success.show { display: flex; }
.form-success i { color: var(--mint-2); font-size: 1.3rem; }
.contact-panel { position: relative; overflow: hidden; height: 100%; border-radius: 26px; padding: 44px 38px; color: rgba(255,255,255,.8); box-shadow: var(--shadow-lg); }
.contact-panel h2 { color: #fff; font-size: 1.8rem; margin: 18px 0 12px; }
.c-item { display: flex; gap: 16px; align-items: center; margin-top: 22px; }
.c-item .ic {
  width: 52px; height: 52px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; font-size: 1.25rem;
  background: rgba(127, 227, 196, .14); color: var(--mint); border: 1px solid rgba(127, 227, 196, .35);
}
.c-item small { display: block; color: var(--peach); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: .76rem; }
.c-item p { margin: 0; color: #fff; font-weight: 500; word-break: break-word; }
.c-item a { color: #fff; }
.c-item a:hover { color: var(--mint); }
.social { display: flex; gap: 10px; flex-wrap: wrap; }
.social a {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); transition: all .25s ease;
}
.social a:hover { background: var(--mint); color: var(--petrol); transform: translateY(-3px); }
.map-card { border-radius: 26px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.map-info { padding: 44px 36px; height: 100%; }
.map-info .ic {
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; font-size: 1.5rem; color: #fff;
  background: linear-gradient(135deg, var(--iris), var(--iris-2)); box-shadow: var(--glow); margin-bottom: 18px;
}
.map-info h3 { font-size: 1.6rem; }
.map-info .addr { font-family: var(--ff-head); font-weight: 700; color: var(--petrol); font-size: 1.15rem; margin: 10px 0 12px; }
.map-wrap { height: 100%; min-height: 380px; }
.map-wrap iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }

/* ---------------------------------------------------------- blog post */
.post-hero { position: relative; overflow: hidden; padding: 80px 0 170px; text-align: center; color: rgba(255,255,255,.85); }
.post-hero .tag-pill {
  display: inline-flex; align-items: center; gap: 8px; margin: 22px 0 16px; padding: 8px 16px 6px; border-radius: 50px;
  background: rgba(127, 227, 196, .14); color: var(--mint); font-family: var(--ff-head); font-weight: 700; font-size: .85rem;
  border: 1px solid rgba(127, 227, 196, .35);
}
.post-hero .tspk { width: 13px; height: 13px; color: var(--peach); }
.post-hero h1 { color: #fff; font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.25; }
.post-hero .by { margin-top: 16px; display: inline-flex; align-items: center; gap: 8px; }
.post-hero .by i { color: var(--mint); }
.post-cover { margin-top: -120px; position: relative; z-index: 2; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow-lg); border: 8px solid #fff; aspect-ratio: 2 / 1; }
.post-cover img { width: 100%; height: 100%; object-fit: cover; }
.article { font-size: 1.04rem; }
.article .intro { font-size: 1.18rem; color: var(--ink); line-height: 1.8; }
.article h2 { font-size: 1.65rem; margin: 38px 0 14px; }
.article blockquote {
  margin: 34px 0; padding: 30px 34px; border-radius: 22px; color: #fff; font-family: var(--ff-head); font-weight: 600;
  font-size: 1.32rem; line-height: 1.55; position: relative;
  background: linear-gradient(120deg, var(--petrol), var(--petrol-3));
  box-shadow: inset 6px 0 0 var(--mint);
}
.article ul.check { list-style: none; padding: 0; margin: 18px 0 26px; }
.article ul.check li { display: flex; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.article ul.check li i { color: var(--iris); font-size: 1.15rem; }
.article .tip {
  display: flex; gap: 18px; padding: 24px 26px; border-radius: 20px; margin: 30px 0; background: var(--peach-soft);
  border: 1px solid rgba(255, 179, 138, .6);
}
.article .tip .ic {
  width: 48px; height: 48px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem;
  background: var(--peach); color: var(--petrol);
}
.article .tip strong { font-family: var(--ff-head); color: var(--ink); font-size: 1.1rem; }
.article .tip p { margin: 4px 0 0; }
.article.legal h2 { font-size: 1.45rem; margin-top: 32px; }
.article.legal h2:first-child { margin-top: 0; }
.share { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 34px 0; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.share span { font-family: var(--ff-head); font-weight: 700; color: var(--ink); margin-right: 6px; }
.share a { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--iris-soft); color: var(--iris); }
.share a:hover { background: var(--iris); color: #fff; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.post-nav .pn { display: block; padding: 20px 22px; border-radius: 18px; background: #fff; box-shadow: var(--shadow); transition: transform .3s ease; }
.post-nav .pn:hover { transform: translateY(-4px); }
.post-nav .pn.next { text-align: right; grid-column: 2; }
.post-nav small { display: block; color: var(--iris); font-weight: 700; font-size: .82rem; margin-bottom: 4px; }
.post-nav span { font-family: var(--ff-head); font-weight: 700; color: var(--ink); line-height: 1.4; }
.sidebar { position: sticky; top: 110px; display: grid; gap: 24px; }
.side-card { background: #fff; border-radius: 22px; padding: 28px 26px; box-shadow: var(--shadow); }
.side-card h4 { font-size: 1.25rem; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--iris-soft); }
.side-card.accent { color: rgba(255,255,255,.82); }
.side-card.accent h4 { color: #fff; border-color: rgba(255,255,255,.15); }
.recent { display: flex; gap: 14px; align-items: center; padding: 10px 0; }
.recent img { width: 74px; height: 74px; border-radius: 16px; object-fit: cover; flex: 0 0 auto; }
.recent span { font-family: var(--ff-head); font-weight: 700; color: var(--ink); line-height: 1.35; font-size: .98rem; }
.recent:hover span { color: var(--iris); }
.svc-links, .toc { list-style: none; padding: 0; margin: 0; }
.svc-links li a { display: flex; align-items: center; gap: 10px; padding: 9px 0; color: var(--text); border-bottom: 1px dashed var(--line); }
.svc-links li a i { color: var(--iris); }
.svc-links li a:hover { color: var(--iris); padding-left: 6px; }
.toc li { display: flex; gap: 10px; padding: 7px 0; color: var(--text); }
.toc li i { color: var(--mint-2); }

/* ---------------------------------------------------------- newsletter */
.perks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 18px; }
.perks li { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.perks .ic {
  width: 50px; height: 50px; flex: 0 0 auto; border-radius: 50%; display: grid; place-items: center; font-size: 1.25rem;
  background: var(--iris-soft); color: var(--iris);
}
.perks li:nth-child(even) .ic { background: var(--mint-soft); color: var(--mint-2); }
.perks strong { font-family: var(--ff-head); color: var(--ink); font-size: 1.08rem; }
.perks p { margin: 2px 0 0; font-size: .94rem; }
.unsub-ic {
  width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; font-size: 1.9rem; color: #fff; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--iris), var(--iris-2)); box-shadow: var(--glow);
}

/* ---------------------------------------------------------- footer */
.footer { position: relative; color: rgba(255,255,255,.72); padding: 0; margin-top: 0; }
.footer .container { padding-top: 0; }
.f-news {
  position: relative; top: 0; padding: 40px 42px; border-radius: 26px; margin-bottom: 64px; transform: translateY(0);
  background: linear-gradient(115deg, var(--iris), #5638e0 55%, var(--petrol-3)); box-shadow: 0 24px 60px rgba(30, 20, 90, .35);
}
.footer { padding-top: 70px; }
.f-news h3 { color: #fff; font-size: 1.7rem; margin: 14px 0 8px; }
.f-news p { margin: 0; color: rgba(255,255,255,.85); }
.f-news .kicker.light { color: #fff; border-color: rgba(255,255,255,.35); }
.news-mini { display: flex; gap: 8px; background: #fff; padding: 7px; border-radius: 50px; }
.news-mini input { flex: 1; min-width: 0; border: 0; outline: 0; padding: 10px 18px; border-radius: 50px; font-size: .98rem; color: var(--ink); background: transparent; }
.news-mini button {
  border: 0; border-radius: 50px; padding: 12px 22px 10px; font-family: var(--ff-head); font-weight: 700; color: var(--petrol);
  background: var(--mint); display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; transition: background .25s ease;
}
.news-mini button:hover { background: var(--peach); }
.f-unsub { margin-top: 12px !important; font-size: .9rem; }
.f-unsub a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer .vn-logo .word { color: #fff; }
.footer .vn-logo .emblem { border-radius: 14px; box-shadow: 0 0 0 1px rgba(127, 227, 196, .35), 0 0 22px rgba(127, 227, 196, .2); }
.footer .vn-logo .word b { background: linear-gradient(100deg, var(--mint), var(--mint-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer h5 { color: #fff; font-size: 1.15rem; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer h5::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--mint), var(--iris-2)); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { padding: 5px 0; }
.footer ul a { color: rgba(255,255,255,.72); }
.footer ul a:hover { color: var(--mint); padding-left: 4px; }
.f-contact { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 48px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.12); }
.f-contact a {
  display: inline-flex; align-items: center; gap: 10px; color: #fff; padding: 10px 18px; border-radius: 50px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); word-break: break-word;
}
.f-contact a i { color: var(--mint); }
.f-contact a:hover { border-color: var(--mint); color: var(--mint); }
.footer-bottom { padding: 22px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .9rem; background: rgba(0,0,0,.14); }
.footer-bottom .legal { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: center; }
.footer-bottom a { color: rgba(255,255,255,.72); }
.footer-bottom a:hover { color: var(--mint); }

.back-top {
  position: fixed; right: 22px; bottom: 22px; width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-size: 1.3rem; z-index: 1040; background: linear-gradient(135deg, var(--iris), var(--iris-2)); box-shadow: var(--glow);
  opacity: 0; visibility: hidden; transform: translateY(14px); transition: all .3s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { color: #fff; transform: translateY(-3px); }

/* ---------------------------------------------------------- reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; }
.reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------- responsive */
@media (max-width: 1199.98px) {
  .nova-portal .tag.t1 { left: 0; }
  .nova-portal .tag.t2 { right: 0; }
}
@media (max-width: 991.98px) {
  .section { padding: 80px 0; }
  .why-sec { padding: 120px 0; }
  .navbar-vn .navbar-collapse { background: #fff; border-radius: 20px; padding: 14px 18px 20px; margin-top: 14px; box-shadow: var(--shadow-lg); }
  .navbar-vn .nav-link::after { display: none; }
  .hero { padding: 60px 0 140px; }
  .nova-portal { max-width: 460px; }
  .constellation { grid-template-columns: 1fr 1fr; gap: 30px 24px; }
  .constellation .star-line { display: none; }
  .beam-card::after { display: none; }
  .why-core { margin: 10px auto 70px; }
  .halo-duo { margin: 0 auto; }
  .cta-panel { padding: 50px 36px; }
  .sidebar { position: static; }
  .map-wrap, .map-wrap iframe { min-height: 320px; }
}
@media (max-width: 767.98px) {
  .glow-list { grid-template-columns: 1fr; }
  .f-news { padding: 32px 26px; }
  .form-card { padding: 34px 24px; }
  .contact-panel { padding: 36px 26px; }
  .post-cover { margin-top: -110px; border-width: 5px; border-radius: 20px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav .pn.next { grid-column: 1; }
  .article blockquote { padding: 24px 24px; font-size: 1.15rem; }
}
@media (max-width: 575.98px) {
  .row.g-5, .row.g-4 { --bs-gutter-x: 1.5rem; }
  .vn-logo .word { font-size: 1.22rem; }
  .vn-logo .emblem { width: 40px; height: 40px; }
  .vn-topbar .tb-links { gap: 14px; }
  .hero h1 { font-size: 2.2rem; }
  .nova-portal .tag { font-size: .82rem; padding: 8px 12px 6px; }
  .nova-portal .tag.t1 { top: 4%; left: 0; }
  .nova-portal .tag.t2 { bottom: 10%; right: 0; }
  .nova-portal .ring { inset: -12px; }
  .nova-portal .badge-photo { left: 0; }
  .constellation { grid-template-columns: 1fr; padding: 32px 24px; }
  .halo-duo { padding: 0 40px 50px 0; }
  .halo-duo .note { left: 0; bottom: 18%; max-width: 220px; padding: 12px 16px; }
  .faq-art .call { right: 0; left: 0; margin: 0 auto; width: max-content; max-width: 100%; }
  .cta-panel { padding: 40px 22px; border-radius: 24px; }
  .news-mini { flex-direction: column; border-radius: 22px; }
  .news-mini button { justify-content: center; }
  .f-contact a { width: 100%; }
  .post-hero { padding: 60px 0 150px; }
  .page-hero { padding: 60px 0 110px; }
}