/* ============================================================
   BHT Magician — Bùi Hữu Thiện · Ảo thuật gia sân khấu · Đà Nẵng
   Stage-illusion palette: deep black, spotlight gold, ember crimson.
   Fonts: Playfair Display (display) / Be Vietnam Pro (body),
   both Vietnamese-safe.
   ============================================================ */

:root{
  /* -- color -- */
  --bg:            #08060a;
  --bg-alt:        #0d0910;
  --surface:       #150f16;
  --surface-2:     #1d151f;
  --border:        rgba(212,160,42,.16);
  --border-soft:   rgba(255,255,255,.07);
  --ink:           #f4ecdf;
  --ink-dim:       #bcae99;
  --ink-faint:     #837567;

  --gold:          #d4a02a;
  --gold-bright:   #f2cf63;
  --gold-deep:     #8a6512;

  --flame:         #d8442b;   /* ember crimson */
  --flame-bright:  #f2603f;
  --flame-deep:    #7a1c12;
  --wine:          #47101a;
  --danger:        #e0574a;

  /* -- type -- */
  --f-display: 'Playfair Display', 'Times New Roman', serif;
  --f-body: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* -- scale -- */
  --space-1: 8px;  --space-2: 16px; --space-3: 24px;
  --space-4: 32px; --space-5: 48px; --space-6: 64px; --space-7: 96px;

  --radius-s: 6px; --radius-m: 12px; --radius-l: 22px;

  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
  --dur-s: 200ms; --dur-m: 400ms; --dur-l: 700ms;

  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-weight:300;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:none; }
h1,h2,h3,h4{ margin:0; font-family:var(--f-display); font-weight:600; color:var(--ink); line-height:1.12; }
p{ margin:0; }
figure{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
input,select,textarea{ font:inherit; color:inherit; }

.wrap{ max-width:var(--container); margin-inline:auto; padding-inline:var(--space-3); }
@media (min-width:768px){ .wrap{ padding-inline:var(--space-5); } }

.skip-link{
  position:absolute; left:-999px; top:0; z-index:1000;
  background:var(--gold); color:#150f16; padding:.8em 1.2em; border-radius:0 0 8px 0; font-weight:600;
}
.skip-link:focus{ left:0; }
:focus-visible{ outline:2px solid var(--gold-bright); outline-offset:3px; border-radius:3px; }

/* ---- shared bits ---- */
.eyebrow{
  font-family:var(--f-body); font-size:.8rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--gold); font-weight:600; margin-bottom:var(--space-2);
  display:inline-flex; align-items:center; gap:.6em;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:linear-gradient(90deg,transparent,var(--gold)); }
.rule{ display:flex; align-items:center; gap:var(--space-1); margin:var(--space-3) 0 var(--space-4); max-width:220px; }
.rule span{ height:1px; flex:1; background:linear-gradient(90deg,transparent,var(--border)); }
.rule span:last-child{ background:linear-gradient(90deg,var(--border),transparent); }
.rule i{ width:7px; height:7px; border-radius:50%; background:var(--flame); flex-shrink:0; box-shadow:0 0 10px rgba(216,68,43,.7); }

.flame-text{ color:var(--flame-bright); }
.gold-text{ color:var(--gold-bright); }

/* ============ Buttons ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55em;
  padding:.95em 1.9em; border-radius:3px;
  background:linear-gradient(155deg,var(--gold-bright),var(--gold) 55%,var(--gold-deep));
  color:#150f16; font-weight:600; font-size:.9rem; letter-spacing:.04em; text-transform:uppercase;
  cursor:pointer; border:1px solid transparent;
  transition:transform var(--dur-s) var(--ease-out), box-shadow var(--dur-s) var(--ease-out), filter var(--dur-s);
  box-shadow:0 8px 24px -8px rgba(212,160,42,.5);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); filter:brightness(1.08); box-shadow:0 14px 32px -10px rgba(212,160,42,.65); }
.btn:active{ transform:translateY(0); }
.btn-flame{
  background:linear-gradient(155deg,var(--flame-bright),var(--flame) 55%,var(--flame-deep));
  color:#fff; box-shadow:0 8px 24px -8px rgba(216,68,43,.55);
}
.btn-flame:hover{ box-shadow:0 14px 32px -10px rgba(216,68,43,.7); }
.btn-sm{ padding:.6em 1.3em; font-size:.78rem; }
.btn-lg{ padding:1.05em 2.3em; font-size:.95rem; }
.btn-block{ width:100%; }
.btn-ghost{ background:transparent; color:var(--ink); border:1px solid var(--border-soft); box-shadow:none; }
.btn-ghost:hover{ border-color:var(--gold); color:var(--gold-bright); filter:none; box-shadow:0 0 0 1px rgba(212,160,42,.2) inset; }

/* ============ Ambient stage FX ============ */
.spotlight{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(ellipse 55% 42% at 50% -8%, rgba(212,160,42,.14), transparent 60%),
    radial-gradient(ellipse 40% 50% at 12% 8%, rgba(216,68,43,.10), transparent 55%);
}
.grain{
  position:fixed; inset:0; z-index:2; pointer-events:none; opacity:.04; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow{
  position:fixed; top:0; left:0; z-index:3; width:420px; height:420px; border-radius:50%;
  pointer-events:none; opacity:0; transition:opacity .4s;
  background:radial-gradient(circle, rgba(216,68,43,.09), transparent 62%); will-change:transform;
}

/* ============ Header ============ */
.header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  transition:background var(--dur-m), border-color var(--dur-m), backdrop-filter var(--dur-m);
  border-bottom:1px solid transparent;
}
.header.is-scrolled{
  background:rgba(8,6,10,.82); backdrop-filter:blur(14px);
  border-bottom-color:var(--border-soft);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:var(--space-3); height:74px; }
.brand{ display:flex; align-items:center; gap:.7em; }
.brand-mark{
  width:44px; height:44px; border-radius:10px; flex-shrink:0;
  display:block; object-fit:cover;
  border:1px solid var(--border);
  box-shadow:0 0 18px -6px rgba(216,68,43,.55);
}
.brand-name{ font-family:var(--f-display); font-weight:600; font-size:1.1rem; letter-spacing:.02em; }
.brand-role{ font-size:.66rem; letter-spacing:.22em; text-transform:uppercase; color:var(--gold); }
.nav{ display:none; align-items:center; gap:var(--space-3); }
@media (min-width:1000px){ .nav{ display:flex; } }
.nav a{ font-size:.86rem; color:var(--ink-dim); transition:color var(--dur-s); position:relative; }
.nav a::after{ content:""; position:absolute; left:0; bottom:-6px; height:1px; width:0; background:var(--gold); transition:width var(--dur-s) var(--ease-out); }
.nav a:hover{ color:var(--ink); } .nav a:hover::after{ width:100%; }
.header-actions{ display:flex; align-items:center; gap:var(--space-2); }
.lang{ display:inline-flex; align-items:center; font-size:.78rem; border:1px solid var(--border-soft); border-radius:999px; overflow:hidden; }
.lang-opt{ padding:.3em .7em; color:var(--ink-faint); cursor:pointer; transition:color var(--dur-s), background var(--dur-s); }
.lang-opt.is-active{ color:#150f16; background:var(--gold); font-weight:600; }
.nav-book{ display:none; } @media (min-width:1000px){ .nav-book{ display:inline-flex; } }
.burger{ display:inline-flex; flex-direction:column; gap:5px; padding:10px; cursor:pointer; }
@media (min-width:1000px){ .burger{ display:none; } }
.burger span{ width:22px; height:2px; background:var(--ink); transition:transform var(--dur-s), opacity var(--dur-s); }

.mobile-menu{
  position:fixed; inset:0; z-index:99; background:rgba(8,6,10,.97); backdrop-filter:blur(6px);
  display:flex; flex-direction:column; justify-content:center; gap:var(--space-2); padding:var(--space-5);
  opacity:0; transform:translateY(-8px); transition:opacity var(--dur-m), transform var(--dur-m);
}
.mobile-menu.is-open{ opacity:1; transform:none; }
.mobile-menu a{ font-family:var(--f-display); font-size:1.7rem; color:var(--ink-dim); padding:.25em 0; }
.mobile-menu a:hover{ color:var(--gold-bright); }

/* ============ Section shell ============ */
section{ position:relative; z-index:5; }
.section{ padding-block:var(--space-7); }
.section-head{ max-width:640px; margin-bottom:var(--space-5); }
.section-title{ font-size:clamp(1.9rem, 4.2vw, 3rem); }
.section-lede{ color:var(--ink-dim); margin-top:var(--space-3); font-size:1.05rem; }

/* ============ Hero ============ */
.hero{ position:relative; min-height:100svh; display:flex; align-items:center; padding-top:120px; padding-bottom:var(--space-6); overflow:hidden; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-bg img{ width:100%; height:100%; object-fit:cover; opacity:.34; }
.hero-bg::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(8,6,10,.55) 0%, rgba(8,6,10,.35) 40%, rgba(8,6,10,.92) 88%, var(--bg) 100%); }
.hero-inner{ position:relative; z-index:2; max-width:840px; }
.hero h1{ font-size:clamp(2.6rem, 7vw, 5.4rem); font-weight:700; letter-spacing:-.01em; }
.hero h1 em{ font-style:italic; color:var(--flame-bright); }
.hero-lede{ margin-top:var(--space-4); max-width:560px; color:var(--ink-dim); font-size:clamp(1rem,1.6vw,1.18rem); }
.hero-tagline{ margin-top:var(--space-2); color:var(--gold); font-size:.82rem; letter-spacing:.16em; text-transform:uppercase; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:var(--space-2); margin-top:var(--space-5); }
.hero-stats{ display:flex; flex-wrap:wrap; gap:var(--space-5); margin-top:var(--space-6); padding-top:var(--space-4); border-top:1px solid var(--border-soft); }
.hero-stats > div{ min-width:96px; }
.hero-stats dt{ font-family:var(--f-display); font-weight:700; font-size:clamp(1.9rem,4vw,2.7rem); color:var(--gold-bright); line-height:1; }
.hero-stats dd{ margin:6px 0 0; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); }
.scroll-hint{ position:absolute; left:50%; bottom:26px; transform:translateX(-50%); z-index:2; font-size:.7rem; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint); display:flex; flex-direction:column; align-items:center; gap:8px; }
.scroll-hint i{ width:1px; height:34px; background:linear-gradient(var(--gold),transparent); animation:scrolldot 2.2s var(--ease-in-out) infinite; }
@keyframes scrolldot{ 0%{ transform:scaleY(0); transform-origin:top; } 45%{ transform:scaleY(1); transform-origin:top; } 55%{ transform:scaleY(1); transform-origin:bottom; } 100%{ transform:scaleY(0); transform-origin:bottom; } }

/* ============ About ============ */
.about-grid{ display:grid; gap:var(--space-6); grid-template-columns:1fr; align-items:center; }
@media (min-width:900px){ .about-grid{ grid-template-columns:.9fr 1.1fr; } }
.about-figure{ position:relative; border-radius:var(--radius-l); overflow:hidden; aspect-ratio:4/5; }
.about-figure img{ width:100%; height:100%; object-fit:cover; }
.about-figure::after{ content:""; position:absolute; inset:0; box-shadow:inset 0 0 0 1px var(--border), inset 0 -80px 90px -40px rgba(8,6,10,.9); border-radius:inherit; }
.about-badge{ position:absolute; left:16px; bottom:16px; z-index:2; background:rgba(8,6,10,.7); backdrop-filter:blur(8px); border:1px solid var(--border); border-radius:999px; padding:.5em 1em; font-size:.76rem; letter-spacing:.06em; color:var(--gold-bright); }
.about-body p + p{ margin-top:var(--space-3); color:var(--ink-dim); }
.about-lead{ font-size:1.15rem; color:var(--ink) !important; }
.diffs{ display:grid; gap:var(--space-3); margin-top:var(--space-5); }
.diff{ display:flex; gap:var(--space-3); }
.diff-ic{ flex-shrink:0; width:44px; height:44px; border-radius:12px; display:grid; place-items:center; background:var(--surface); border:1px solid var(--border); color:var(--gold); }
.diff-ic svg{ width:22px; height:22px; }
.diff h4{ font-family:var(--f-body); font-weight:600; font-size:1rem; }
.diff p{ color:var(--ink-dim); font-size:.92rem; margin-top:3px; }

/* ============ Services ============ */
.svc-grid{ display:grid; gap:var(--space-3); grid-template-columns:1fr; }
@media (min-width:640px){ .svc-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:1000px){ .svc-grid{ grid-template-columns:repeat(3,1fr); } }
.svc{
  position:relative; padding:var(--space-4); border-radius:var(--radius-m);
  background:linear-gradient(180deg,var(--surface),var(--bg-alt));
  border:1px solid var(--border-soft); overflow:hidden;
  transform:perspective(900px) rotateX(var(--tilt-x,0)) rotateY(var(--tilt-y,0));
  transition:border-color var(--dur-m), transform var(--dur-s) var(--ease-out), box-shadow var(--dur-m);
}
.svc:hover{ border-color:var(--border); box-shadow:0 24px 50px -30px rgba(0,0,0,.9); }
.svc::before{ content:""; position:absolute; inset:0 0 auto 0; height:2px; background:linear-gradient(90deg,transparent,var(--gold),transparent); opacity:0; transition:opacity var(--dur-m); }
.svc:hover::before{ opacity:.8; }
.svc-ic{ width:52px; height:52px; border-radius:14px; display:grid; place-items:center; margin-bottom:var(--space-3);
  background:radial-gradient(circle at 35% 30%, rgba(216,68,43,.16), rgba(212,160,42,.06)); border:1px solid var(--border); color:var(--flame-bright); }
.svc-ic svg{ width:26px; height:26px; }
.svc h3{ font-size:1.35rem; }
.svc-sub{ color:var(--gold); font-size:.78rem; letter-spacing:.06em; text-transform:uppercase; margin-top:4px; }
.svc-p{ color:var(--ink-dim); font-size:.93rem; margin-top:var(--space-2); }
.svc-meta{ display:flex; gap:var(--space-3); flex-wrap:wrap; margin-top:var(--space-3); padding-top:var(--space-3); border-top:1px solid var(--border-soft); font-size:.8rem; color:var(--ink-faint); }
.svc-meta b{ color:var(--ink-dim); font-weight:500; }
.svc-note{ margin-top:var(--space-4); color:var(--ink-faint); font-size:.9rem; max-width:680px; }

/* ============ Showreel + gallery ============ */
.reel-stack{ display:grid; gap:var(--space-3); margin-bottom:var(--space-4); }
.reel-auto{ cursor:default; }
.reel-auto iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.reel-soundhint{ text-align:center; color:var(--ink-faint); font-size:.85rem; margin-top:calc(-1 * var(--space-1)); }
.reel-side{ width:100%; max-width:560px; margin-inline:auto; }
.reel{
  display:block; position:relative; aspect-ratio:16/9; border-radius:var(--radius-l); overflow:hidden; cursor:pointer;
  border:1px solid var(--border); background:var(--surface);
}
.reel img{ width:100%; height:100%; object-fit:cover; opacity:.6; transition:opacity var(--dur-m), transform var(--dur-l) var(--ease-out); }
.reel:hover img{ opacity:.75; transform:scale(1.03); }
.reel-play{ position:absolute; inset:0; display:grid; place-items:center; }
.reel-play span{ width:82px; height:82px; border-radius:50%; display:grid; place-items:center; background:rgba(216,68,43,.9); box-shadow:0 0 0 0 rgba(216,68,43,.5); animation:pulse 2.4s infinite; }
.reel-play svg{ width:30px; height:30px; margin-left:4px; color:#fff; }
@keyframes pulse{ 0%{ box-shadow:0 0 0 0 rgba(216,68,43,.5); } 70%{ box-shadow:0 0 0 26px rgba(216,68,43,0); } 100%{ box-shadow:0 0 0 0 rgba(216,68,43,0); } }
.reel-label{ position:absolute; left:18px; bottom:16px; z-index:2; }
.reel-label strong{ display:block; font-family:var(--f-display); font-size:1.15rem; }
.reel-label small{ color:var(--ink-dim); font-size:.82rem; }
.gallery{ display:grid; gap:var(--space-3); grid-template-columns:repeat(2,1fr); }
@media (min-width:1000px){ .gallery{ grid-template-columns:repeat(3,1fr); } }
.gal{ position:relative; aspect-ratio:1; border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--border-soft); }
.gal img{ width:100%; height:100%; object-fit:cover; transition:transform var(--dur-l) var(--ease-out); }
.gal:hover img{ transform:scale(1.06); }
.gal-wide{ grid-column:1 / -1; aspect-ratio:auto; }
.gal-wide img{ aspect-ratio:8 / 3; object-fit:cover; }
@media (max-width:679px){ .gal-wide img{ aspect-ratio:2 / 1; } }
.gal figcaption{ position:absolute; inset:auto 0 0 0; padding:1.4em .9em .8em; font-size:.78rem; color:var(--ink); background:linear-gradient(transparent,rgba(8,6,10,.85)); opacity:0; transition:opacity var(--dur-m); }
.gal:hover figcaption{ opacity:1; }

/* ============ Skills / awards ============ */
.split{ display:grid; gap:var(--space-6); grid-template-columns:1fr; }
@media (min-width:900px){ .split{ grid-template-columns:1fr 1fr; } }
.skill{ margin-bottom:var(--space-3); }
.skill-top{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:8px; }
.skill-top b{ font-weight:500; }
.skill-top span{ color:var(--gold); font-variant-numeric:tabular-nums; font-size:.9rem; }
.skill-bar{ height:6px; border-radius:999px; background:var(--surface-2); overflow:hidden; }
.skill-fill{ height:100%; width:0; border-radius:999px; background:linear-gradient(90deg,var(--flame),var(--gold)); transition:width 1.2s var(--ease-out); }
.skill.is-visible .skill-fill{ width:var(--val); }
.awards{ display:grid; gap:var(--space-2); }
.award{ display:flex; gap:var(--space-3); align-items:flex-start; padding:var(--space-3); border-radius:var(--radius-m); background:var(--surface); border:1px solid var(--border-soft); }
.award-ic{ flex-shrink:0; color:var(--gold); } .award-ic svg{ width:26px; height:26px; }
.award b{ font-weight:600; } .award small{ display:block; color:var(--ink-faint); }
.award p{ color:var(--ink-dim); font-size:.9rem; margin-top:2px; }

/* ============ Process ============ */
.steps{ display:grid; gap:var(--space-3); grid-template-columns:1fr; counter-reset:step; }
@media (min-width:768px){ .steps{ grid-template-columns:repeat(4,1fr); } }
.step{ position:relative; padding:var(--space-4) var(--space-3); border-radius:var(--radius-m); background:var(--surface); border:1px solid var(--border-soft); }
.step::before{ counter-increment:step; content:"0" counter(step); font-family:var(--f-display); font-size:2.4rem; color:var(--gold); opacity:.35; display:block; margin-bottom:var(--space-2); }
.step h4{ font-family:var(--f-body); font-weight:600; font-size:1.05rem; }
.step p{ color:var(--ink-dim); font-size:.9rem; margin-top:6px; }

/* ============ FAQ ============ */
.faq{ display:grid; gap:var(--space-2); max-width:820px; }
.faq details{ border:1px solid var(--border-soft); border-radius:var(--radius-m); background:var(--surface); overflow:hidden; }
.faq details[open]{ border-color:var(--border); }
.faq summary{ cursor:pointer; padding:var(--space-3) var(--space-4); font-weight:500; display:flex; justify-content:space-between; gap:var(--space-3); align-items:center; list-style:none; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; color:var(--gold); font-size:1.4rem; transition:transform var(--dur-s); }
.faq details[open] summary::after{ transform:rotate(45deg); }
.faq details p{ padding:0 var(--space-4) var(--space-4); color:var(--ink-dim); font-size:.94rem; }

/* ============ Contact ============ */
.contact-cards{ display:grid; gap:var(--space-2); }
@media (min-width:640px){ .contact-cards--grid{ grid-template-columns:1fr 1fr; gap:var(--space-3); } }
.ccard{ display:flex; gap:var(--space-3); align-items:center; padding:var(--space-3) var(--space-4); border-radius:var(--radius-m); background:var(--surface); border:1px solid var(--border-soft); transition:border-color var(--dur-s), transform var(--dur-s); }
.ccard:hover{ border-color:var(--border); transform:translateX(3px); }
.ccard-ic{ width:46px; height:46px; border-radius:12px; flex-shrink:0; display:grid; place-items:center; background:var(--surface-2); border:1px solid var(--border); color:var(--gold); }
.ccard-ic svg{ width:22px; height:22px; }
.ccard small{ color:var(--ink-faint); display:block; font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; }
.ccard b{ font-weight:500; font-size:1.05rem; }
.form{ padding:var(--space-4); border-radius:var(--radius-l); background:linear-gradient(180deg,var(--surface),var(--bg-alt)); border:1px solid var(--border-soft); }
.field{ margin-bottom:var(--space-3); }
.field label{ display:block; font-size:.82rem; color:var(--ink-dim); margin-bottom:6px; }
.field input, .field textarea, .field select{
  width:100%; padding:.85em 1em; border-radius:var(--radius-s); background:var(--bg); border:1px solid var(--border-soft); color:var(--ink);
  transition:border-color var(--dur-s), box-shadow var(--dur-s); min-height:46px;
}
.field textarea{ resize:vertical; min-height:110px; }
.field input:focus, .field textarea:focus, .field select:focus{ outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(212,160,42,.14); }
.field-row{ display:grid; gap:var(--space-3); grid-template-columns:1fr 1fr; }

/* ============ Footer ============ */
.footer{ position:relative; z-index:5; border-top:1px solid var(--border-soft); padding-block:var(--space-6) var(--space-4); margin-top:var(--space-6); }
.footer-grid{ display:grid; gap:var(--space-5); grid-template-columns:1fr; margin-bottom:var(--space-5); }
@media (min-width:768px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr; } }
.footer h5{ font-family:var(--f-body); font-weight:600; font-size:.78rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 var(--space-2); }
.footer a{ color:var(--ink-dim); font-size:.92rem; display:block; padding:3px 0; }
.footer a:hover{ color:var(--gold-bright); }
.footer-brand p{ color:var(--ink-faint); font-size:.9rem; margin-top:var(--space-2); max-width:320px; }
.socials{ display:flex; gap:var(--space-2); margin-top:var(--space-3); }
.socials a{ width:40px; height:40px; border-radius:10px; display:grid; place-items:center; border:1px solid var(--border-soft); color:var(--ink-dim); }
.socials a:hover{ border-color:var(--gold); color:var(--gold-bright); }
.socials svg{ width:20px; height:20px; }
.footer-bottom{ display:flex; flex-wrap:wrap; gap:var(--space-2); justify-content:space-between; padding-top:var(--space-4); border-top:1px solid var(--border-soft); font-size:.82rem; color:var(--ink-faint); }

/* ============ Reveal ============ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity var(--dur-l) var(--ease-out), transform var(--dur-l) var(--ease-out); }
.reveal.is-visible{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s; } .reveal.d2{ transition-delay:.16s; } .reveal.d3{ transition-delay:.24s; }

/* ============ Floating mobile call bar ============ */
.callbar{ position:fixed; left:0; right:0; bottom:0; z-index:90; display:flex; gap:1px; background:var(--border-soft); }
@media (min-width:1000px){ .callbar{ display:none; } }
.callbar a{ flex:1; display:flex; align-items:center; justify-content:center; gap:.5em; padding:.95em; font-size:.86rem; font-weight:600; background:var(--surface); }
.callbar a.is-call{ color:var(--gold-bright); } .callbar a.is-zalo{ color:#fff; background:var(--flame); }
.callbar svg{ width:18px; height:18px; }
body{ padding-bottom:0; }
@media (max-width:999px){ .footer{ margin-bottom:52px; } }