/* ==========================================================================
   puldigi.com — Cosmic theme (plum + magenta)  |  LIVA-inspired
   Fonts: Plus Jakarta Sans (sans) + Fraunces (accent italic serif)
   ========================================================================== */

:root {
  --bg:      #120823;   /* Plum đậm */
  --bg-2:    #180b30;
  --panel:   #241340;   /* Thẻ / panel */
  --panel-2: #1c0f36;
  --pink:    #ec7cc9;   /* Magenta chính */
  --pink2:   #f4a9dd;   /* Hồng sáng */
  --violet:  #a487f0;   /* Tím */
  --cream:   #f2eefb;   /* Chữ tiêu đề sáng */
  --text:    #d9d1ec;   /* Chữ thường */
  --muted:   #9d92bd;   /* Chữ mờ */
  --line:    rgba(236,124,201,.20);
  --line-2:  rgba(242,238,251,.10);
  /* alias để giữ tương thích các trang cũ */
  --gold: var(--pink); --gold-2: var(--pink2);
  --radius: 16px;
  --maxw: 1200px;
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --serif: 'Fraunces', Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans); color: var(--text);
  background:
    radial-gradient(900px 600px at 85% -5%, rgba(164,135,240,.18), transparent 60%),
    radial-gradient(700px 500px at 0% 20%, rgba(236,124,201,.10), transparent 55%),
    var(--bg);
  line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1,h2,h3,h4 { color: var(--cream); line-height: 1.12; font-weight: 700; letter-spacing: -.3px; }
a { color: var(--pink2); text-decoration: none; }
img { max-width: 100%; display: block; }
em { font-style: italic; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 26px; }
.section { padding: 92px 0; }
.section-soft { background: linear-gradient(180deg, var(--bg-2), transparent); }

.label {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .72rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--pink);
}
.label::before { content: ""; width: 30px; height: 1px; background: var(--pink); opacity: .7; }
.label.no-line::before { display: none; }
.serif { font-family: var(--serif); }
.center { text-align: center; }
.accent { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--pink2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 40px;
  font-weight: 600; font-size: .9rem; cursor: pointer;
  border: 1px solid transparent; transition: all .2s ease; font-family: inherit; background: transparent;
}
.btn-gold { background: linear-gradient(135deg, var(--pink), var(--violet)); color: #1a0a26; box-shadow: 0 10px 30px rgba(236,124,201,.28); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(236,124,201,.4); }
.btn-outline { color: var(--cream); border-color: var(--line); }
.btn-outline:hover { border-color: var(--pink); color: var(--pink2); background: rgba(236,124,201,.08); }
.btn .arrow { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: .78rem; background: rgba(26,10,38,.18); }
.btn-outline .arrow { background: rgba(236,124,201,.12); }

/* ---------- Top bar ---------- */
.topbar { background: rgba(24,11,48,.5); border-bottom: 1px solid var(--line-2); }
.topbar .row {
  display: flex; justify-content: space-between; align-items: center;
  min-height: 40px; flex-wrap: wrap; gap: 6px 18px;
  font-size: .72rem; letter-spacing: 1.6px; text-transform: uppercase; color: var(--muted);
}
.topbar a { color: var(--muted); }
.topbar a:hover { color: var(--pink2); }
.topbar .socials { display: flex; gap: 18px; }

/* ---------- Header / Nav ---------- */
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(18,8,35,.72); backdrop-filter: blur(14px); padding: 14px 0; }
.nav { position: relative; display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-weight: 600; font-size: 1.35rem; color: var(--cream); letter-spacing: .5px; }
.brand .logo-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--pink), var(--violet)); color: #1a0a26;
  display: grid; place-items: center; font-family: var(--serif); font-size: 1.05rem; font-weight: 700;
  box-shadow: 0 8px 22px rgba(236,124,201,.35);
}
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0 auto; }
.nav-links a {
  color: var(--text); font-weight: 500; font-size: .82rem;
  letter-spacing: 1.2px; text-transform: uppercase;
  padding: 8px 15px; border-radius: 30px; transition: color .2s;
}
.nav-links a:hover { color: var(--pink2); }
.nav-links a.active { color: var(--pink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-actions .btn { padding: 10px 22px; text-transform: uppercase; font-size: .74rem; letter-spacing: 1px; }
.nav-search { width: 44px; height: 44px; flex: none; border-radius: 50%; border: 1px solid var(--line-2); background: transparent; color: var(--cream); display: grid; place-items: center; font-size: 1.05rem; cursor: pointer; transition: all .2s; }
.nav-search:hover { border-color: var(--pink); color: var(--pink); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.5rem; color: var(--cream); }

/* ---------- HERO ---------- */
.hero { position: relative; padding: 66px 0 84px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.hero-eyebrow { color: var(--pink); font-size: .8rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); font-weight: 700; line-height: 1.06; margin: 18px 0 20px; }
.hero h1 em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--pink2); }
.hero p.lead { color: var(--muted); font-size: 1.08rem; max-width: 480px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-status { display: inline-flex; align-items: center; gap: 12px; }
.hero-status .pulse { width: 10px; height: 10px; border-radius: 50%; background: #57e389; box-shadow: 0 0 0 4px rgba(87,227,137,.18); }
.hero-status b { color: var(--cream); font-weight: 600; font-size: .92rem; }
.hero-status span { display: block; color: var(--muted); font-size: .82rem; }

/* Hero visual — cosmic orb + floating cards (không mặt người) */
.hero-visual { position: relative; aspect-ratio: 1/1; }
.visual-orb {
  position: absolute; inset: 8%; border-radius: 50%; overflow: hidden;
  background: radial-gradient(circle at 50% 40%, #3a1d63, #160a2c 70%);
  box-shadow: 0 0 0 1px rgba(236,124,201,.25), 0 0 90px rgba(164,135,240,.4) inset, 0 30px 80px rgba(0,0,0,.5);
}
.visual-orb img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.visual-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(236,124,201,.3); }
.visual-ring::after { content: ""; position: absolute; inset: -18px; border-radius: 50%; border: 1px solid rgba(164,135,240,.18); }
.fcard {
  position: absolute; background: rgba(36,19,64,.72); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; z-index: 3;
  box-shadow: 0 14px 34px rgba(0,0,0,.35);
}
.fcard .k { font-size: .64rem; letter-spacing: 2px; text-transform: uppercase; color: var(--pink); font-weight: 700; }
.fcard .v { color: var(--cream); font-weight: 600; font-size: .92rem; margin-top: 2px; }
.fcard .v small { display: block; color: var(--muted); font-weight: 400; font-size: .78rem; }
.fcard ul { list-style: none; margin-top: 6px; }
.fcard ul li { color: var(--text); font-size: .82rem; padding-left: 14px; position: relative; }
.fcard ul li::before { content: "•"; color: var(--pink); position: absolute; left: 0; }
.fcard.f1 { top: 6%; right: -4%; }
.fcard.f2 { bottom: 20%; left: -6%; }
.fcard.f3 { bottom: -2%; right: 6%; }

/* ---------- Marquee ---------- */
.marquee { border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); padding: 16px 0; overflow: hidden; white-space: nowrap; }
.marquee-track { display: inline-flex; gap: 40px; animation: scrollx 26s linear infinite; }
.marquee span { font-family: var(--serif); font-style: italic; font-size: 1.4rem; color: var(--muted); }
.marquee span .star { color: var(--pink); font-style: normal; margin-left: 40px; }
@keyframes scrollx { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Section head ---------- */
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; flex-wrap: wrap; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); font-weight: 700; }
.section-head h2 em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--pink2); }
.section-head p { color: var(--muted); max-width: 420px; }
.link-arrow { color: var(--pink); font-size: .8rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px; }

/* ---------- Case studies ---------- */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case { background: var(--panel); border: 1px solid var(--line-2); border-radius: 20px; overflow: hidden; transition: transform .2s, border-color .2s; }
.case:hover { transform: translateY(-5px); border-color: var(--line); }
.case-img { position: relative; aspect-ratio: 16/11; overflow: hidden; background: radial-gradient(circle at 50% 30%, #3a1d63, #180b30); }
.case-img img { width: 100%; height: 100%; object-fit: cover; opacity: .92; transition: transform .5s; }
.case:hover .case-img img { transform: scale(1.05); }
.case-num { position: absolute; top: 14px; left: 14px; font-family: var(--serif); font-size: .9rem; color: var(--pink2); background: rgba(18,8,35,.6); border: 1px solid var(--line); border-radius: 20px; padding: 2px 12px; }
.case-body { padding: 22px; }
.case-body h3 { font-size: 1.25rem; margin-bottom: 3px; }
.case-body .sub { color: var(--muted); font-size: .9rem; margin-bottom: 14px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.case-tags span { font-size: .72rem; color: var(--text); border: 1px solid var(--line-2); border-radius: 20px; padding: 4px 12px; }
.case-foot { display: flex; justify-content: flex-end; margin-top: 6px; }
.go { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); color: var(--pink); display: grid; place-items: center; transition: all .2s; }
.case:hover .go { background: linear-gradient(135deg, var(--pink), var(--violet)); color: #1a0a26; border-color: transparent; }

/* ---------- Services + tools ---------- */
.services-panel { background: linear-gradient(160deg, var(--panel), var(--panel-2)); border: 1px solid var(--line-2); border-radius: 24px; padding: 44px; position: relative; overflow: hidden; }
.services-panel::before { content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(164,135,240,.22), transparent 62%); bottom: -140px; left: -80px; }
.services-grid { position: relative; display: grid; grid-template-columns: 1.1fr 2fr 1fr; gap: 34px; align-items: start; }
.services-intro h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.service-item .ic { width: 46px; height: 46px; border-radius: 12px; background: rgba(236,124,201,.12); border: 1px solid var(--line); color: var(--pink); display: grid; place-items: center; font-size: 1.2rem; margin-bottom: 12px; }
.service-item h4 { font-size: .8rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--cream); margin-bottom: 6px; }
.service-item p { color: var(--muted); font-size: .9rem; }
.tools h4 { font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--pink); margin-bottom: 16px; }
.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tool { background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 12px; padding: 12px; text-align: center; }
.tool .em { font-size: 1.4rem; }
.tool span { display: block; font-size: .72rem; color: var(--muted); margin-top: 4px; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 26px; border-top: 1px solid var(--line-2); padding-top: 40px; }
.proc .no { font-family: var(--serif); font-size: 1.9rem; color: var(--pink); }
.proc .pic { width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); color: var(--pink); display: grid; place-items: center; font-size: 1.15rem; margin: 10px 0; }
.proc h4 { font-size: .82rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 6px; }
.proc p { color: var(--muted); font-size: .9rem; }

/* ---------- Testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote { background: var(--panel); border: 1px solid var(--line-2); border-radius: 20px; padding: 28px; }
.quote .mark { font-family: var(--serif); font-size: 2.6rem; color: var(--pink); line-height: .5; }
.quote p { color: var(--text); font-size: .96rem; margin: 14px 0 20px; }
.person { display: flex; align-items: center; gap: 12px; }
.person .av { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--pink), var(--violet)); display: grid; place-items: center; color: #1a0a26; font-weight: 700; font-family: var(--serif); }
.person b { color: var(--cream); font-size: .92rem; display: block; }
.person span { color: var(--muted); font-size: .8rem; }

/* ---------- Split / About ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.lead-serif { font-family: var(--serif); font-size: clamp(1.5rem,3vw,2.2rem); color: var(--cream); font-weight: 500; line-height: 1.28; }
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 22px; }
.stat .num { font-family: var(--serif); font-size: 2.4rem; color: var(--pink); }
.stat .lbl { color: var(--muted); font-size: .82rem; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- Do-list (dịch vụ dạng danh sách) ---------- */
.dolist { border-top: 1px solid var(--line-2); }
.do-row { display: grid; grid-template-columns: 80px 1fr 1.1fr auto; gap: 26px; align-items: center; padding: 28px 6px; border-bottom: 1px solid var(--line-2); transition: background .25s, padding-left .25s; }
.do-row:hover { background: rgba(236,124,201,.05); padding-left: 16px; }
.do-row .no { font-family: var(--serif); font-size: 1.3rem; color: var(--pink); }
.do-row h3 { font-size: 1.35rem; font-weight: 700; }
.do-row p { color: var(--muted); font-size: .94rem; }
.do-row .plus { color: var(--pink); font-size: 1.3rem; opacity: .6; }

/* ---------- Tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 12px; }
.tag { border: 1px solid var(--line); color: var(--text); padding: 9px 20px; border-radius: 30px; font-size: .86rem; }
.tag:hover { border-color: var(--pink); color: var(--pink2); }

/* ---------- Timeline ---------- */
.timeline { border-left: 1px solid var(--line); margin-top: 30px; padding-left: 32px; }
.tl-item { position: relative; padding-bottom: 32px; }
.tl-item::before { content:""; position:absolute; left:-38px; top:6px; width:11px; height:11px; border-radius:50%; background:var(--pink); box-shadow: 0 0 0 4px rgba(236,124,201,.18); }
.tl-item .yr { color: var(--pink); font-size: .8rem; letter-spacing: 2px; text-transform: uppercase; }
.tl-item h4 { font-size: 1.25rem; margin: 4px 0; }
.tl-item p { color: var(--muted); font-size: .94rem; }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta h2 { font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 700; }
.cta h2 em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--pink2); }
.cta p { color: var(--muted); max-width: 520px; margin: 18px auto 32px; }

/* ---------- Contact ---------- */
.contact-panel { background: linear-gradient(160deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: 26px; padding: 48px; position: relative; overflow: hidden; }
.contact-panel::before { content:""; position:absolute; width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(236,124,201,.2),transparent 62%);top:-160px;right:-120px; }
.contact-cols { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }
.contact-cols h2 { font-size: clamp(1.8rem,4vw,2.8rem); margin-bottom: 20px; }
.contact-cols h2 em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--pink2); }
.info-item { display: flex; gap: 14px; padding: 14px 0; align-items: flex-start; }
.info-item .ic { width: 44px; height: 44px; flex: none; border-radius: 12px; background: rgba(236,124,201,.12); border: 1px solid var(--line); color: var(--pink); display: grid; place-items: center; }
.info-item h4 { font-size: 1.05rem; margin-bottom: 2px; }
.info-item a, .info-item p { color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }

.field { margin-bottom: 16px; }
.field.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: .78rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--pink); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; background: rgba(18,8,35,.55);
  border: 1px solid var(--line-2); border-radius: 12px; color: var(--cream);
  font-family: inherit; font-size: 1rem; transition: border-color .2s;
}
.field input::placeholder, .field textarea::placeholder { color: #6b5f86; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--pink); }
.field textarea { resize: vertical; min-height: 120px; }
.field select { appearance: none; }
.field select option { background: var(--panel); }
.form-card { background: var(--panel); border: 1px solid var(--line-2); border-radius: 20px; padding: 34px; }
.form-note { font-size: .8rem; color: var(--muted); margin-top: 12px; }
.form-status { margin-top: 16px; font-weight: 600; display: none; }
.form-status.ok { display: block; color: #57e389; }
.form-status.err { display: block; color: #ff8a8a; }

/* ---------- Page hero (sub-pages) ---------- */
.page-hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line-2); position: relative; overflow: hidden; }
.page-hero::before { content:""; position:absolute; top:-140px; right:-100px; width:440px; height:440px; border-radius:50%; background: radial-gradient(circle, rgba(236,124,201,.16), transparent 62%); }
.page-hero h1 { font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 700; margin: 14px 0 12px; }
.page-hero h1 em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--pink2); }
.page-hero p { color: var(--muted); max-width: 560px; font-size: 1.05rem; }
.breadcrumb { font-size: .76rem; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--pink); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line-2); padding: 74px 0 32px; }
.footer-big { font-family: var(--serif); font-size: clamp(1.8rem,5vw,3.4rem); font-weight: 500; color: var(--cream); margin-bottom: 38px; }
.footer-big a { color: var(--pink2); font-style: italic; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 38px; padding-top: 38px; border-top: 1px solid var(--line-2); }
.site-footer h4 { color: var(--pink); font-size: .78rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 15px; }
.site-footer p { color: var(--muted); font-size: .95rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { color: var(--text); font-size: .95rem; }
.footer-links a:hover { color: var(--pink2); }
.footer-bottom { margin-top: 38px; padding-top: 22px; border-top: 1px solid var(--line-2); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: .84rem; letter-spacing: 1px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split, .contact-cols, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 440px; margin: 0 auto; width: 100%; }
  .services-grid { grid-template-columns: 1fr; gap: 28px; }
  .cases, .quotes { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .do-row { grid-template-columns: 46px 1fr; gap: 8px 14px; }
  .do-row p { grid-column: 2; }
  .do-row .plus { display: none; }

  .nav-toggle { display: block; }
  .nav-actions .btn { display: none; }
  .nav-links {
    position: absolute; top: calc(100% + 14px); left: 0; right: 0;
    background: var(--panel); border: 1px solid var(--line-2); border-radius: 18px;
    flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 12px 16px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 10px; }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .service-list, .tools-grid, .field.row2, .stat-row { grid-template-columns: 1fr; }
  .services-panel, .contact-panel { padding: 30px 22px; }
  .fcard.f1 { right: 0; } .fcard.f2 { left: 0; }
}