/* =========================================================
   AI FILM STUDIO — PORTFOLIO
   Hệ thiết kế: tối giản, premium, monochrome + 1 accent
   Sửa màu / font tập trung ở khối :root bên dưới
   ========================================================= */

:root{
  /* ----- Màu ----- */
  --bg:            #08090A;
  --bg-elev:       #0E1012;
  --bg-elev-2:     #141618;
  --text:          #EFEEEC;
  --text-dim:      #9A9C9F;
  --text-faint:    #62656A;
  --line:          rgba(255,255,255,.10);
  --line-strong:   rgba(255,255,255,.22);
  --accent:        #C9BFA9;      /* sand — dùng rất tiết chế */
  --accent-dim:    rgba(201,191,169,.16);

  /* ----- Chữ ----- */
  --font: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* ----- Nhịp ----- */
  --pad:           clamp(20px, 5vw, 72px);
  --maxw:          1440px;
  --ease:          cubic-bezier(.22,.61,.36,1);
}

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

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-weight:300;
  font-size:16px;
  line-height:1.6;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,video{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }

::selection{ background:var(--accent); color:#08090A; }

/* Hạt film rất nhẹ phủ toàn trang */
body::after{
  content:"";
  position:fixed; inset:0; z-index:9999; pointer-events:none;
  opacity:.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='120' height='120' filter='url(%23n)'/></svg>");
}

/* ---------------------------------------------------------
   TIỆN ÍCH
   --------------------------------------------------------- */
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding-inline:var(--pad); }
.rule{ height:1px; background:var(--line); border:0; margin:0; }
.mono{ font-variant-numeric:tabular-nums; }

.label{
  font-size:11px; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--text-faint);
}
.label--accent{ color:var(--accent); }

.h-display{
  font-weight:200;
  font-size:clamp(38px, 7.2vw, 104px);
  line-height:.98;
  letter-spacing:-.035em;
  margin:0;
}
.h-section{
  font-weight:200;
  font-size:clamp(28px, 4vw, 52px);
  line-height:1.06;
  letter-spacing:-.03em;
  margin:0;
}
.lede{
  font-size:clamp(15px, 1.35vw, 19px);
  line-height:1.65;
  color:var(--text-dim);
  max-width:56ch;
  font-weight:300;
}

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 26px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:13px; font-weight:400; letter-spacing:.06em;
  background:transparent; cursor:pointer;
  transition:background .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.btn:hover{ background:var(--text); border-color:var(--text); color:var(--bg); }
.btn--solid{ background:var(--text); border-color:var(--text); color:var(--bg); }
.btn--solid:hover{ background:transparent; color:var(--text); border-color:var(--line-strong); }

/* Xuất hiện khi cuộn tới */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }

/* ---------------------------------------------------------
   ĐIỀU HƯỚNG
   --------------------------------------------------------- */
/* Lưu ý: blur đặt ở ::before, không đặt trên .nav —
   backdrop-filter trên phần tử cha sẽ khiến menu mobile (position:fixed) neo sai. */
.nav{ position:fixed; top:0; left:0; right:0; z-index:100; }
.nav::before{
  content:""; position:absolute; inset:0; z-index:-1; pointer-events:none;
  backdrop-filter:blur(14px);
  background:linear-gradient(to bottom, rgba(8,9,10,.88), rgba(8,9,10,.55) 60%, transparent);
}
.nav__inner{
  max-width:var(--maxw); margin:0 auto; padding:18px var(--pad);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand__mark{
  width:26px; height:26px; flex:none;
  border:1px solid var(--line-strong); border-radius:50%;
  display:grid; place-items:center;
  font-size:10px; letter-spacing:.04em; color:var(--accent);
}
.brand__name{
  font-size:13px; font-weight:500; letter-spacing:.22em; text-transform:uppercase;
}
.nav__links{ display:flex; align-items:center; gap:30px; }
.nav__link{
  font-size:12.5px; letter-spacing:.08em; color:var(--text-dim);
  position:relative; padding-block:4px;
  transition:color .3s var(--ease);
}
.nav__link:hover, .nav__link.is-active{ color:var(--text); }
.nav__link.is-active::after{
  content:""; position:absolute; left:0; right:0; bottom:0;
  height:1px; background:var(--accent);
}
.nav__lock{
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--text-faint); background:none; border:0; cursor:pointer;
  transition:color .3s var(--ease);
}
.nav__lock:hover{ color:var(--text); }
.nav__toggle{ display:none; background:none; border:0; cursor:pointer; padding:6px; }
.nav__toggle span{ display:block; width:22px; height:1px; background:var(--text); margin:5px 0; transition:transform .3s var(--ease), opacity .3s; }

@media (max-width:860px){
  .nav__toggle{ display:block; }
  .nav__links{
    position:fixed; top:0; left:0; width:100%; height:100svh;
    background:var(--bg); overflow-y:auto;
    flex-direction:column; justify-content:center; gap:28px;
    transform:translateY(-101%); opacity:0; visibility:hidden;
    transition:transform .5s var(--ease), opacity .3s var(--ease), visibility .5s;
  }
  .nav__links.is-open{ transform:none; opacity:1; visibility:visible; }
  .nav__link{ font-size:22px; letter-spacing:-.01em; }
  .nav__toggle.is-open span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2){ opacity:0; }
  .nav__toggle.is-open span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }
  .nav__toggle{ position:relative; z-index:2; }
}

/* ---------------------------------------------------------
   CỔNG MẬT KHẨU
   --------------------------------------------------------- */
.gate{
  position:fixed; inset:0; z-index:1000;
  background:var(--bg);
  display:grid; place-items:center;
  padding:var(--pad);
  transition:opacity .7s var(--ease), visibility .7s;
}
.gate.is-open{ opacity:0; visibility:hidden; pointer-events:none; }
.gate__inner{ width:100%; max-width:380px; text-align:center; }
.gate__mark{
  width:44px; height:44px; margin:0 auto 30px;
  border:1px solid var(--line-strong); border-radius:50%;
  display:grid; place-items:center; color:var(--accent); font-size:13px;
}
.gate__title{
  font-weight:200; font-size:clamp(26px,4vw,36px);
  letter-spacing:-.02em; line-height:1.15; margin:0 0 12px;
}
.gate__sub{ font-size:13.5px; color:var(--text-dim); margin:0 0 34px; line-height:1.6; }
.gate__form{ display:flex; flex-direction:column; gap:12px; }
.gate__input{
  width:100%; padding:15px 18px;
  background:var(--bg-elev); border:1px solid var(--line);
  border-radius:10px; color:var(--text);
  font-family:var(--font); font-size:15px; letter-spacing:.08em;
  text-align:center; outline:none;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.gate__input::placeholder{ color:var(--text-faint); letter-spacing:.14em; font-size:13px; }
.gate__input:focus{ border-color:var(--line-strong); background:var(--bg-elev-2); }
.gate__btn{
  padding:15px 18px; border-radius:10px; border:0;
  background:var(--text); color:var(--bg);
  font-size:13px; font-weight:500; letter-spacing:.1em; text-transform:uppercase;
  cursor:pointer; transition:opacity .3s var(--ease);
}
.gate__btn:hover{ opacity:.82; }
.gate__err{
  min-height:20px; margin-top:14px;
  font-size:12.5px; letter-spacing:.04em; color:#E0685A;
  opacity:0; transition:opacity .3s;
}
.gate__err.is-on{ opacity:1; }
.gate__foot{ margin-top:38px; font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint); }
.shake{ animation:shake .38s var(--ease); }
@keyframes shake{ 0%,100%{transform:translateX(0)} 20%{transform:translateX(-8px)} 40%{transform:translateX(8px)} 60%{transform:translateX(-5px)} 80%{transform:translateX(5px)} }

/* Nội dung ẩn cho tới khi mở khoá */
.locked{ opacity:0; }
.unlocked{ opacity:1; transition:opacity .8s var(--ease) .1s; }

/* ---------------------------------------------------------
   HERO
   --------------------------------------------------------- */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero__media{ position:absolute; inset:0; z-index:0; }
.hero__media video, .hero__media img{ width:100%; height:100%; object-fit:cover; }
.hero__media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(8,9,10,.96) 0%, rgba(8,9,10,.55) 45%, rgba(8,9,10,.72) 100%);
}
.hero__inner{ position:relative; z-index:1; width:100%; padding-block:0 clamp(48px,7vh,96px); }
.hero__meta{ display:flex; flex-wrap:wrap; gap:22px; margin-bottom:26px; }
.hero__title{ margin-bottom:26px; }
.hero__title em{ font-style:normal; color:var(--text-faint); }
.hero__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:34px; }
.hero__scroll{
  position:absolute; bottom:26px; right:var(--pad); z-index:2;
  writing-mode:vertical-rl; font-size:10.5px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--text-faint);
}

/* Ô media rỗng (chưa bỏ file vào) */
.ph{
  position:relative; width:100%; height:100%;
  background:
    linear-gradient(135deg, rgba(255,255,255,.035) 0%, rgba(255,255,255,0) 55%),
    var(--bg-elev);
  display:grid; place-items:center;
}
.ph::before{
  content:""; position:absolute; inset:0;
  background-image:linear-gradient(var(--line) 1px, transparent 1px),
                   linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px; opacity:.5;
}
.ph__txt{
  position:relative; text-align:center; padding:20px;
  font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-faint);
  line-height:2;
}

/* ---------------------------------------------------------
   KHỐI CHUNG
   --------------------------------------------------------- */
.section{ padding-block:clamp(72px,11vh,140px); }
.section__head{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:clamp(24px,5vw,80px); align-items:end;
  padding-bottom:38px;
}
@media (max-width:860px){ .section__head{ grid-template-columns:1fr; gap:18px; } }

.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border-block:1px solid var(--line); }
.stats__item{ background:var(--bg); padding:30px 22px; }
.stats__num{ font-size:clamp(30px,3.6vw,46px); font-weight:200; letter-spacing:-.035em; line-height:1; }
.stats__cap{ margin-top:10px; font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--text-faint); }
@media (max-width:700px){ .stats{ grid-template-columns:repeat(2,1fr); } }

/* ---------------------------------------------------------
   LƯỚI DỰ ÁN
   --------------------------------------------------------- */
.grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(16px,2.4vw,34px); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
@media (max-width:980px){ .grid--3{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid, .grid--3{ grid-template-columns:1fr; } }

.card{ display:block; position:relative; }
.card__media{
  position:relative; aspect-ratio:4/5; overflow:hidden;
  background:var(--bg-elev); border:1px solid var(--line);
}
.card--wide .card__media{ aspect-ratio:16/9; }
.card__media img, .card__media video{
  width:100%; height:100%; object-fit:cover;
  transition:transform 1.1s var(--ease), filter .6s var(--ease);
  filter:grayscale(.35) contrast(1.02);
}
.card:hover .card__media img, .card:hover .card__media video{ transform:scale(1.045); filter:grayscale(0); }
.card__badge{
  position:absolute; top:14px; left:14px; z-index:2;
  padding:6px 11px; border-radius:999px;
  background:rgba(8,9,10,.6); backdrop-filter:blur(8px);
  border:1px solid var(--line);
  font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-dim);
}
.card__play{
  position:absolute; inset:0; z-index:2; display:grid; place-items:center;
  opacity:0; transition:opacity .45s var(--ease);
}
.card:hover .card__play{ opacity:1; }
.card__play span{
  width:56px; height:56px; border-radius:50%;
  border:1px solid rgba(255,255,255,.6); background:rgba(8,9,10,.35);
  backdrop-filter:blur(6px);
  display:grid; place-items:center; font-size:12px; padding-left:3px;
}
.card__body{ padding-top:16px; display:flex; justify-content:space-between; gap:16px; align-items:baseline; }
.card__title{ font-size:clamp(17px,1.6vw,21px); font-weight:300; letter-spacing:-.015em; margin:0; }
.card__meta{ font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); white-space:nowrap; }
.card__desc{ margin:8px 0 0; font-size:13.5px; color:var(--text-dim); line-height:1.6; }

/* Danh sách kiểu index (bảng dự án) */
.index__row{
  display:grid; grid-template-columns:56px minmax(0,2.2fr) minmax(0,1.2fr) 92px;
  gap:20px; align-items:center;
  padding:22px 0; border-bottom:1px solid var(--line);
  transition:padding-left .5s var(--ease), color .4s var(--ease);
}
.index__row:hover{ padding-left:14px; }
.index__row:first-child{ border-top:1px solid var(--line); }
.index__no{ font-size:11.5px; color:var(--text-faint); letter-spacing:.1em; }
.index__name{ font-size:clamp(18px,2.2vw,28px); font-weight:200; letter-spacing:-.02em; }
.index__tag{ font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-dim); }
.index__go{ text-align:right; font-size:12px; color:var(--text-faint); transition:color .4s var(--ease); }
.index__row:hover .index__go{ color:var(--accent); }
@media (max-width:760px){
  .index__row{ grid-template-columns:40px 1fr; }
  .index__tag, .index__go{ display:none; }
}

/* ---------------------------------------------------------
   QUY TRÌNH
   --------------------------------------------------------- */
.steps{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.steps__item{ background:var(--bg); padding:30px 22px 34px; }
.steps__no{ font-size:11px; letter-spacing:.14em; color:var(--accent); }
.steps__t{ margin:16px 0 10px; font-size:17px; font-weight:400; letter-spacing:-.01em; }
.steps__d{ font-size:13px; color:var(--text-dim); line-height:1.65; margin:0; }
@media (max-width:1080px){ .steps{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .steps{ grid-template-columns:1fr; } }

/* ---------------------------------------------------------
   TRANG CHI TIẾT DỰ ÁN
   --------------------------------------------------------- */
.pj-hero{ padding-top:120px; }
.pj-title{ font-weight:200; font-size:clamp(34px,6vw,86px); line-height:1; letter-spacing:-.035em; margin:16px 0 0; }
.pj-player{
  margin-top:44px; aspect-ratio:16/9; width:100%;
  background:var(--bg-elev); border:1px solid var(--line); overflow:hidden;
}
.pj-player video, .pj-player iframe, .pj-player img{ width:100%; height:100%; object-fit:cover; border:0; }
.pj-facts{
  display:grid; grid-template-columns:repeat(4,1fr); gap:28px;
  padding-block:36px; border-bottom:1px solid var(--line);
}
.pj-facts dt{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint); }
.pj-facts dd{ margin:10px 0 0; font-size:15px; font-weight:300; }
@media (max-width:760px){ .pj-facts{ grid-template-columns:repeat(2,1fr); gap:22px; } }

.gal{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(10px,1.4vw,18px); }
.gal--2{ grid-template-columns:repeat(2,1fr); }
.gal figure{ margin:0; }
.gal__img{
  aspect-ratio:16/9; overflow:hidden; background:var(--bg-elev); border:1px solid var(--line);
}
.gal__img img{ width:100%; height:100%; object-fit:cover; transition:transform 1s var(--ease); }
.gal figure:hover .gal__img img{ transform:scale(1.04); }
.gal figcaption{ margin-top:10px; font-size:11.5px; letter-spacing:.08em; color:var(--text-faint); }
@media (max-width:860px){ .gal{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .gal, .gal--2{ grid-template-columns:1fr; } }

.quote{
  font-size:clamp(20px,2.6vw,34px); font-weight:200; line-height:1.35;
  letter-spacing:-.02em; max-width:22ch; margin:0;
}

/* ---------------------------------------------------------
   VỀ XƯỞNG / LIÊN HỆ
   --------------------------------------------------------- */
.two{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:clamp(28px,5vw,90px); align-items:start; }
@media (max-width:860px){ .two{ grid-template-columns:1fr; } }

.list-def{ margin:0; }
.list-def > div{ padding:20px 0; border-bottom:1px solid var(--line); display:grid; grid-template-columns:150px 1fr; gap:24px; }
.list-def dt{ font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint); }
.list-def dd{ margin:0; font-size:14.5px; color:var(--text-dim); line-height:1.65; }
@media (max-width:560px){ .list-def > div{ grid-template-columns:1fr; gap:8px; } }

.people{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(14px,2vw,26px); }
@media (max-width:900px){ .people{ grid-template-columns:repeat(2,1fr); } }
.person__img{ aspect-ratio:3/4; overflow:hidden; background:var(--bg-elev); border:1px solid var(--line); }
.person__img img{ width:100%; height:100%; object-fit:cover; filter:grayscale(1); transition:filter .6s var(--ease); }
.person:hover .person__img img{ filter:grayscale(0); }
.person__n{ margin:14px 0 4px; font-size:16px; font-weight:400; }
.person__r{ font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); }

.cta{ padding-block:clamp(80px,14vh,180px); text-align:center; border-top:1px solid var(--line); }
.cta__mail{
  display:inline-block; margin-top:26px;
  font-size:clamp(22px,4vw,52px); font-weight:200; letter-spacing:-.03em;
  border-bottom:1px solid var(--line-strong); padding-bottom:6px;
  transition:border-color .4s var(--ease), color .4s var(--ease);
}
.cta__mail:hover{ color:var(--accent); border-color:var(--accent); }

/* ---------------------------------------------------------
   CHÂN TRANG
   --------------------------------------------------------- */
.foot{ border-top:1px solid var(--line); padding-block:34px; }
.foot__inner{ display:flex; flex-wrap:wrap; gap:18px; justify-content:space-between; align-items:center; }
.foot__links{ display:flex; gap:22px; flex-wrap:wrap; }
.foot a{ font-size:12px; letter-spacing:.08em; color:var(--text-faint); transition:color .3s var(--ease); }
.foot a:hover{ color:var(--text); }
.foot__c{ font-size:11.5px; letter-spacing:.1em; color:var(--text-faint); }

/* ---------------------------------------------------------
   LIGHTBOX ẢNH
   --------------------------------------------------------- */
.lb{
  position:fixed; inset:0; z-index:900; background:rgba(6,7,8,.96);
  display:none; place-items:center; padding:var(--pad);
  backdrop-filter:blur(6px);
}
.lb.is-on{ display:grid; }
.lb img{ max-width:92vw; max-height:86vh; object-fit:contain; }
.lb__x{
  position:absolute; top:20px; right:24px; background:none; border:0;
  font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-dim); cursor:pointer;
}

@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
  .reveal{ opacity:1; transform:none; }
}

/* =========================================================
   TRANG DỰ ÁN KIỂU SHOWCASE (tham chiếu bố cục Higgsfield)
   ========================================================= */

:root{
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ----- Breadcrumb ----- */
.crumb{ display:flex; align-items:center; gap:10px; font-size:12px; letter-spacing:.06em; color:var(--text-faint); }
.crumb a{ transition:color .3s var(--ease); }
.crumb a:hover{ color:var(--text); }
.crumb span{ opacity:.5; }

/* ----- Player lớn ----- */
.player{
  position:relative; width:100%; aspect-ratio:16/9; overflow:hidden;
  background:#000; border:1px solid var(--line); border-radius:14px;
}
.player video, .player iframe, .player img{ width:100%; height:100%; object-fit:cover; border:0; display:block; }
.player--vert{ aspect-ratio:9/16; max-width:460px; margin-inline:auto; }

/* ----- Hàng tiêu đề + chỉ số ----- */
.pj-head{
  display:flex; flex-wrap:wrap; gap:22px 34px;
  align-items:flex-end; justify-content:space-between;
  padding-top:26px;
}
.pj-head__t{ min-width:0; }
.pj-head h1{
  margin:0; font-weight:200; letter-spacing:-.03em; line-height:1.02;
  font-size:clamp(30px,4.6vw,60px);
}
.pj-head__stats{ margin-top:12px; display:flex; flex-wrap:wrap; align-items:center; gap:8px 14px; font-size:13px; color:var(--text-faint); }
.pj-head__stats b{ color:var(--text-dim); font-weight:400; }
.dot{ opacity:.4; }
.author{ display:inline-flex; align-items:center; gap:9px; }
.author__av{
  width:26px; height:26px; border-radius:50%; flex:none;
  background:var(--bg-elev-2); border:1px solid var(--line-strong);
  display:grid; place-items:center; font-size:10px; color:var(--accent); letter-spacing:.02em;
}
.author__n{ color:var(--text-dim); font-size:13px; }
.pj-head__acts{ display:flex; gap:10px; flex:none; }
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 18px; border:1px solid var(--line-strong); border-radius:999px;
  font-size:12.5px; letter-spacing:.03em; background:transparent; cursor:pointer;
  transition:background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.pill:hover{ background:var(--text); color:var(--bg); border-color:var(--text); }
.pill--solid{ background:var(--text); color:var(--bg); border-color:var(--text); }
.pill--solid:hover{ background:transparent; color:var(--text); border-color:var(--line-strong); }

.logline{ margin:22px 0 0; font-size:clamp(15px,1.3vw,17.5px); line-height:1.7; color:var(--text-dim); max-width:78ch; }

/* ----- Dải tập phim ----- */
.eps{ display:flex; gap:12px; overflow-x:auto; padding:26px 0 6px; scrollbar-width:thin; }
.ep{
  flex:none; width:220px; border:1px solid var(--line); border-radius:12px;
  overflow:hidden; background:var(--bg-elev); transition:border-color .35s var(--ease);
}
.ep:hover{ border-color:var(--line-strong); }
.ep__img{ aspect-ratio:16/9; background:var(--bg-elev-2); }
.ep__img img{ width:100%; height:100%; object-fit:cover; }
.ep__b{ padding:12px 14px; }
.ep__n{ font-size:13.5px; }
.ep__s{ margin-top:5px; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); }
.ep--soon{ opacity:.45; }
.ep--soon .ep__s{ color:var(--text-faint); }

/* ----- Thanh mục lục dính ----- */
.tabs{
  position:sticky; top:64px; z-index:60;
  display:flex; gap:4px; overflow-x:auto;
  margin-top:34px; padding:8px 0;
  border-bottom:1px solid var(--line);
  background:var(--bg);
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{ display:none; }
.tabs a{
  flex:none; padding:9px 16px; border-radius:999px;
  font-size:13px; color:var(--text-faint);
  transition:background .3s var(--ease), color .3s var(--ease);
}
.tabs a:hover{ color:var(--text); background:var(--bg-elev); }
.tabs a.is-active{ color:var(--text); background:var(--bg-elev-2); }

/* ----- Bố cục 2 cột: bài viết + cột phải dính ----- */
.pj-layout{
  display:grid; grid-template-columns:minmax(0,1fr) 300px;
  gap:clamp(28px,4vw,64px); align-items:start;
  padding-top:44px;
}
@media (max-width:1080px){ .pj-layout{ grid-template-columns:minmax(0,1fr); } }
.pj-side{ position:sticky; top:130px; display:grid; gap:16px; }
@media (max-width:1080px){ .pj-side{ position:static; } }

.scard{ border:1px solid var(--line); border-radius:14px; background:var(--bg-elev); padding:20px; }
.scard__t{ font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--text-faint); margin-bottom:16px; }
.srow{ display:flex; justify-content:space-between; gap:14px; padding:9px 0; font-size:13px; }
.srow + .srow{ border-top:1px solid var(--line); }
.srow dt{ color:var(--text-faint); }
.srow dd{ margin:0; color:var(--text); font-variant-numeric:tabular-nums; text-align:right; }

.chips{ display:flex; flex-wrap:wrap; gap:7px; }
.chip{
  padding:6px 12px; border-radius:999px; border:1px solid var(--line);
  font-size:11.5px; color:var(--text-dim); background:var(--bg-elev-2);
}

/* Thanh tỉ lệ model đã dùng */
.stackrow{ padding:11px 0; }
.stackrow + .stackrow{ border-top:1px solid var(--line); }
.stackrow__h{ display:flex; justify-content:space-between; gap:12px; font-size:13px; margin-bottom:8px; }
.stackrow__h b{ font-weight:400; }
.stackrow__h span{ color:var(--text-faint); font-variant-numeric:tabular-nums; }
.meter{ height:3px; border-radius:2px; background:rgba(255,255,255,.09); overflow:hidden; }
.meter i{ display:block; height:100%; background:var(--accent); border-radius:2px; }

/* ----- Bảng thư mục tài sản ----- */
.folders{ display:grid; grid-template-columns:repeat(auto-fill,minmax(190px,1fr)); gap:10px; }
.folder{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:15px 16px; border:1px solid var(--line); border-radius:12px;
  background:var(--bg-elev); font-size:13.5px;
  transition:border-color .35s var(--ease), background .35s var(--ease);
}
.folder:hover{ border-color:var(--line-strong); background:var(--bg-elev-2); }
.folder b{ font-weight:400; }
.folder span{ font-size:12px; color:var(--text-faint); font-variant-numeric:tabular-nums; }

/* ----- Bài viết dài (project brief) ----- */
/* Chữ giữ bề ngang dễ đọc, ảnh và khối prompt trải hết cột */
.article{ max-width:none; }
.article h2, .article h3, .article p, .article ul, .article .lead-in{ max-width:74ch; }
.article h2{
  margin:64px 0 18px; font-weight:200; letter-spacing:-.025em; line-height:1.15;
  font-size:clamp(24px,2.9vw,36px);
}
.article h2:first-child{ margin-top:0; }
.article h3{
  margin:44px 0 14px; font-weight:400; letter-spacing:-.01em;
  font-size:clamp(17px,1.6vw,20px);
}
.article p{ margin:0 0 18px; font-size:15.5px; line-height:1.78; color:var(--text-dim); }
.article p strong{ color:var(--text); font-weight:400; }
.article ul{ margin:0 0 18px; padding-left:20px; color:var(--text-dim); font-size:15.5px; line-height:1.78; }
.article li{ margin-bottom:8px; }
.article figure{ margin:30px 0; }
.article figure img{ width:100%; border:1px solid var(--line); border-radius:12px; }
.article figcaption{ margin-top:10px; font-size:12.5px; color:var(--text-faint); line-height:1.6; }
.article hr{ border:0; height:1px; background:var(--line); margin:52px 0; }
.lead-in{
  font-size:17px; line-height:1.72; color:var(--text);
  padding-left:18px; border-left:1px solid var(--accent);
}

/* Khối mã / prompt, có nút chép */
.code{
  position:relative; margin:22px 0;
  border:1px solid var(--line); border-radius:12px; background:var(--bg-elev);
  overflow:hidden;
}
.code__h{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:11px 14px; border-bottom:1px solid var(--line);
  font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint);
}
.code__c{
  margin:0; padding:16px; overflow-x:auto;
  font-family:var(--mono); font-size:12.5px; line-height:1.75;
  color:var(--text-dim); white-space:pre; tab-size:2;
}
.code__btn{
  border:1px solid var(--line); background:transparent; border-radius:6px;
  padding:5px 11px; font-size:10.5px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--text-faint); cursor:pointer;
  transition:color .3s var(--ease), border-color .3s var(--ease);
}
.code__btn:hover{ color:var(--text); border-color:var(--line-strong); }
.code__btn.is-ok{ color:var(--accent); border-color:var(--accent); }

/* Lưới ảnh trong bài (2–4 cột) */
.figs{ display:grid; gap:12px; margin:30px 0; }
.figs--2{ grid-template-columns:repeat(2,1fr); }
.figs--3{ grid-template-columns:repeat(3,1fr); }
.figs--4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:640px){ .figs--3,.figs--4{ grid-template-columns:repeat(2,1fr); } }
.figs figure{ margin:0; }
.figs .gal__img{ border-radius:10px; }

/* ----- Lưới dự án gợi ý ----- */
.rec{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media (max-width:900px){ .rec{ grid-template-columns:repeat(2,1fr); } }
.rec__i{ display:block; }
.rec__m{ aspect-ratio:16/10; border:1px solid var(--line); border-radius:12px; overflow:hidden; background:var(--bg-elev); }
.rec__m img{ width:100%; height:100%; object-fit:cover; filter:grayscale(.4); transition:filter .5s var(--ease), transform 1s var(--ease); }
.rec__i:hover .rec__m img{ filter:none; transform:scale(1.04); }
.rec__n{ margin-top:11px; font-size:14px; }
.rec__a{ margin-top:3px; font-size:12px; color:var(--text-faint); }

/* Chừa chỗ cho thanh điều hướng dính khi nhảy tới mục */
[id]{ scroll-margin-top:150px; }

/* Thanh điều hướng đặc lại khi đã cuộn (để chữ phía sau không lộ qua) */
.nav.is-scrolled::before{
  background:linear-gradient(to bottom, rgba(8,9,10,.96), rgba(8,9,10,.93));
  border-bottom:1px solid var(--line);
}

/* Chặn tràn ngang: ô lưới phải được phép co lại nhỏ hơn nội dung */
.pj-layout > main, .pj-layout > aside{ min-width:0; }
.article, .figs, .code{ min-width:0; max-width:100%; }

/* =========================================================
   BẢN CẬP NHẬT MÀU & PHÂN CẤP CHỮ  (đặt cuối file nên đè lên phần trên)
   Đổi tông màu: chọn Tông màu trong admin (Thông tin xưởng),
   hoặc thêm data-theme="gold|warm|ai" vào thẻ <html>.
   ========================================================= */

:root{
  --stage: var(--accent);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---- ĐEN & VÀNG (mặc định) ---- */
:root, [data-theme="gold"]{
  --g-hot: linear-gradient(100deg, #F7E2A6 0%, #E5B94E 46%, #B8862B 100%);
  --accent:      #E5B94E;
  --accent-dim:  rgba(229,185,78,.16);
  --accent-line: rgba(229,185,78,.50);
  --chip1: rgba(229,185,78,.34);
  --chip2: rgba(184,122,34,.38);
  --chip3: rgba(247,226,166,.28);
  --s1: #F5E1A4;   /* Context   */
  --s2: #EFC75E;   /* Tạo hình  */
  --s3: #E0A32E;   /* Gen clip  */
  --s4: #B87A22;   /* Editing   */
}

/* ---- CAM · HỒNG · TÍM ---- */
[data-theme="warm"]{
  --g-hot: linear-gradient(100deg, #FF6A3D 0%, #F9407B 48%, #A855F7 100%);
  --accent:      #F9407B;
  --accent-dim:  rgba(249,64,123,.16);
  --accent-line: rgba(249,64,123,.45);
  --chip1: rgba(249,64,123,.32);
  --chip2: rgba(168,85,247,.34);
  --chip3: rgba(255,106,61,.32);
  --s1: #FFB020;
  --s2: #FF6A3D;
  --s3: #F9407B;
  --s4: #A855F7;
}

/* ---- GRADIENT AI: xanh · chàm · hồng ---- */
[data-theme="ai"]{
  --g-hot: linear-gradient(100deg, #22D3EE 0%, #6366F1 50%, #EC4899 100%);
  --accent:      #7C7CF9;
  --accent-dim:  rgba(124,124,249,.16);
  --accent-line: rgba(124,124,249,.5);
  --chip1: rgba(34,211,238,.32);
  --chip2: rgba(99,102,241,.36);
  --chip3: rgba(236,72,153,.32);
  --s1: #22D3EE;
  --s2: #38BDF8;
  --s3: #6366F1;
  --s4: #EC4899;
}

/* Chữ tô gradient — có màu dự phòng nếu trình duyệt không hỗ trợ */
.grad{
  color:var(--accent);
  background:var(--g-hot);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent;
}
@supports not (background-clip:text){ .grad{ -webkit-text-fill-color:currentColor; } }

/* ---------- THANG CHỮ ---------- */
/* D1 — càng to càng mỏng */
.h-display{ font-weight:200; letter-spacing:-.04em; }

/* D2 — tên dự án */
.pj-title, .pj-head h1{ font-weight:300; letter-spacing:-.03em; }

/* Đầu mục khối trên trang */
.h-section{ font-weight:300; font-size:clamp(26px,3.4vw,44px); letter-spacing:-.028em; }

/* H1 / H2 trong bài viết — đậm để bật khỏi thân bài */
.article h2{ font-weight:600; font-size:clamp(26px,3vw,34px); letter-spacing:-.02em; margin-top:72px; }
.article h3{ font-weight:600; font-size:clamp(19px,1.8vw,22px); letter-spacing:-.005em; color:var(--text); margin-top:46px; }

/* Thân bài rõ hơn */
.article p, .article ul{ font-weight:400; color:#A8AAAE; }
.article p strong{ font-weight:600; color:var(--text); }
.lede{ font-weight:300; }

/* Nhãn nhỏ: đậm + in hoa, đây là cấp thấp nhất nên nặng nhất */
.label, .scard__t, .code__h, .card__meta, .index__tag, .stats__cap, .person__r, .list-def dt, .pj-facts dt{
  font-weight:600;
}
.label--accent{ color:var(--stage); }
.scard__t{
  background:var(--g-hot); -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:var(--accent);
}

/* ---------- SỐ LIỆU: mono + gradient ---------- */
.mono, .code__c, .srow dd, .folder span, .stackrow__h span, .index__no{ font-family:var(--mono); }
.stats__num{
  font-family:var(--mono); font-weight:300; letter-spacing:-.03em;
  background:var(--g-hot); -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:var(--accent);
}

/* ---------- GRADIENT DÙNG Ở 5 CHỖ ---------- */
/* 1. thanh meter */
.meter i{ background:var(--g-hot); }

/* 2. mục lục dính — mục đang đọc */
.tabs a.is-active{
  background:var(--g-hot); color:#0A0A0B; font-weight:600;
}
.tabs a{ font-weight:500; }

/* 3. viền card khi rê chuột */
.card__media, .rec__m, .ep, .folder, .scard{ position:relative; }
.card__media::after, .rec__m::after{
  content:""; position:absolute; inset:0; z-index:3; pointer-events:none;
  border-radius:inherit; padding:1px;
  background:var(--g-hot);
  -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 .45s var(--ease);
}
.card:hover .card__media::after, .rec__i:hover .rec__m::after{ opacity:1; }

/* 4. logo + avatar */
.brand__mark, .gate__mark, .author__av{ color:var(--accent); border-color:var(--accent-line); }

/* 5. nút chính */
.gate__btn, .btn--solid, .pill--solid{
  background:var(--g-hot); color:#0A0A0B; border-color:transparent; font-weight:600;
}
.gate__btn:hover, .btn--solid:hover, .pill--solid:hover{ opacity:.88; background:var(--g-hot); color:#0A0A0B; }

/* ---------- MÀU THEO CHẶNG ---------- */
.stage-1{ --stage:var(--s1); }
.stage-2{ --stage:var(--s2); }
.stage-3{ --stage:var(--s3); }
.stage-4{ --stage:var(--s4); }
.article h2.stage-h{
  padding-left:16px; border-left:3px solid var(--stage);
  color:var(--text);
}
.steps__no{ color:var(--stage); font-weight:600; }
.steps__item:nth-child(1){ --stage:var(--s1); }
.steps__item:nth-child(2){ --stage:var(--s2); }
.steps__item:nth-child(3){ --stage:var(--s3); }
.steps__item:nth-child(4){ --stage:var(--s4); }
.steps__item:nth-child(5){ --stage:var(--accent); }
.steps__item{ border-top:2px solid var(--stage); }

/* Chip phân loại nhiều màu hơn */
.chip{ border-color:var(--chip1); color:#DAD7D1; }
.chip:nth-child(2n){ border-color:var(--chip2); }
.chip:nth-child(3n){ border-color:var(--chip3); }

/* Trích dẫn + lead-in dùng vạch gradient */
.quote, .lead-in{ border-left:3px solid transparent; border-image:var(--g-hot) 1; }

/* Đường kẻ chia chặng trong bài */
.article hr{ height:2px; background:var(--g-hot); opacity:.5; }

/* Khối prompt: nhãn màu chặng */
.code__h{ color:var(--stage); }
.code{ border-color:rgba(255,255,255,.12); }

/* Ảnh trong lưới bớt xám để màu phim lên được */
.card__media img, .card__media video{ filter:none; }
.rec__m img{ filter:none; }

/* ---------- CONCEPT XƯỞNG PHIM ---------- */
.pillars{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(14px,2vw,22px); }
@media (max-width:1000px){ .pillars{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .pillars{ grid-template-columns:1fr; } }
.pillar{
  position:relative; padding:26px 22px 28px;
  border:1px solid var(--line); border-radius:14px; background:var(--bg-elev);
  transition:border-color .4s var(--ease), transform .4s var(--ease);
}
.pillar:hover{ border-color:var(--line-strong); transform:translateY(-3px); }
.pillar::before{
  content:""; position:absolute; left:22px; right:22px; top:0; height:2px;
  background:var(--g-hot); border-radius:2px; opacity:.9;
}
.pillar__no{
  font-family:var(--mono); font-size:11px; letter-spacing:.14em; font-weight:500;
  background:var(--g-hot); -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:var(--accent);
}
.pillar__t{ margin:14px 0 10px; font-size:17px; font-weight:600; letter-spacing:-.01em; }
.pillar__d{ margin:0; font-size:13.5px; line-height:1.7; color:#A8AAAE; }

/* =========================================================
   TÔNG SÁNG · PREMIUM
   ========================================================= */
[data-theme="light"]{
  --bg:          #F6F4F1;
  --bg-elev:     #FFFFFF;
  --bg-elev-2:   #FBFAF8;
  --text:        #14151A;
  --text-dim:    #55585F;
  --text-faint:  #8B8E95;
  --line:        rgba(20,21,26,.10);
  --line-strong: rgba(20,21,26,.20);

  --g-hot: linear-gradient(100deg, #22A8E0 0%, #F0930F 32%, #F5165F 66%, #8B3DEE 100%);
  --accent:      #F5165F;
  --accent-dim:  rgba(245,22,95,.12);
  --accent-line: rgba(245,22,95,.42);
  --chip1: rgba(34,168,224,.45);
  --chip2: rgba(139,61,238,.42);
  --chip3: rgba(240,147,15,.45);
  --s1: #22A8E0;
  --s2: #F0930F;
  --s3: #F5165F;
  --s4: #8B3DEE;
}
[data-theme="light"] body::after{ opacity:.018; mix-blend-mode:multiply; }
[data-theme="light"] .nav::before{
  background:linear-gradient(to bottom, rgba(246,244,241,.92), rgba(246,244,241,.55) 60%, transparent);
}
[data-theme="light"] .nav.is-scrolled::before{ background:rgba(246,244,241,.95); }
[data-theme="light"] ::selection{ background:var(--accent); color:#fff; }
[data-theme="light"] .card__badge{ background:rgba(255,255,255,.78); color:var(--text-dim); }
[data-theme="light"] .lb{ background:rgba(246,244,241,.97); }
[data-theme="light"] .hero__media::after{
  background:linear-gradient(to top, rgba(246,244,241,.96) 0%, rgba(246,244,241,.5) 45%, rgba(246,244,241,.72) 100%);
}
[data-theme="light"] .article p,
[data-theme="light"] .article ul,
[data-theme="light"] .pillar__d,
[data-theme="light"] .steps__d,
[data-theme="light"] .card__desc{ color:#53565D; }
[data-theme="light"] .meter{ background:rgba(20,21,26,.09); }
[data-theme="light"] .bar{ background:rgba(255,255,255,.95); }
[data-theme="light"] .code{ background:var(--bg-elev-2); }
[data-theme="light"] .code__c{ color:#3E4148; }
[data-theme="light"] .ph{ background:linear-gradient(135deg, rgba(20,21,26,.03) 0%, rgba(20,21,26,0) 55%), var(--bg-elev-2); }
[data-theme="light"] .screen__nav button{ background:rgba(255,255,255,.28); }

/* =========================================================
   HEADER RẠP CHIẾU
   ========================================================= */
.cinema{
  position:relative; min-height:100svh; overflow:hidden;
  display:flex; flex-direction:column; justify-content:center;
  padding:clamp(96px,13vh,132px) 0 0;
}
.cinema__top{ text-align:center; margin-bottom:clamp(20px,3.6vh,40px); }
.cinema__title{ margin:14px auto 0; max-width:18ch; }
.cinema__lede{ margin:16px auto 0; text-align:center; max-width:60ch; }

/* sân khấu + quầng sáng máy chiếu */
.stage{ position:relative; width:100%; max-width:1060px; margin:0 auto; }
.stage__glow{
  position:absolute; left:50%; top:50%; z-index:0;
  width:116%; height:128%; border-radius:50%;
  transform:translate(-50%,-52%);
  background:var(--g-hot); filter:blur(76px); opacity:.40;
  animation:glowdrift 16s ease-in-out infinite alternate;
}
@keyframes glowdrift{
  from{ transform:translate(-50%,-53%) scale(1); }
  to  { transform:translate(-50%,-48%) scale(1.07); }
}

/* màn chiếu */
.screen{
  position:relative; z-index:1; width:100%; aspect-ratio:16/9;
  border-radius:16px; overflow:hidden; background:#0A0B0D;
  border:1px solid var(--line);
  box-shadow:0 46px 100px -34px rgba(16,17,22,.5), 0 4px 16px rgba(16,17,22,.08);
}
.screen__track{ display:flex; height:100%; transition:transform .95s cubic-bezier(.7,0,.18,1); }
.screen__s{ position:relative; flex:0 0 100%; height:100%; overflow:hidden; }
.screen__s img, .screen__s video, .screen__s iframe{ width:100%; height:100%; object-fit:cover; border:0; display:block; }
.screen__s .ph{ background:#101216; }
.screen__s::after{
  content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(to top, rgba(6,7,9,.86) 0%, rgba(6,7,9,.2) 44%, rgba(6,7,9,0) 68%);
}
.screen__c{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  padding:clamp(18px,3vw,36px); color:#fff;
}
.screen__k{ font-size:11px; letter-spacing:.16em; text-transform:uppercase; font-weight:600; opacity:.78; }
.screen__t{ margin:9px 0 0; font-size:clamp(20px,2.7vw,34px); font-weight:300; letter-spacing:-.022em; }
.screen__nav{
  position:absolute; inset:0; z-index:3; display:flex; align-items:center;
  justify-content:space-between; padding:0 14px; opacity:0; transition:opacity .35s var(--ease);
}
.screen:hover .screen__nav{ opacity:1; }
.screen__nav button{
  width:42px; height:42px; border-radius:50%; cursor:pointer;
  border:1px solid rgba(255,255,255,.4); background:rgba(10,11,13,.4);
  backdrop-filter:blur(8px); color:#fff; font-size:15px; line-height:1;
  transition:background .3s var(--ease);
}
.screen__nav button:hover{ background:rgba(10,11,13,.72); }
.screen__bar{ position:absolute; left:0; bottom:0; height:2px; z-index:4; width:0; background:var(--g-hot); }

/* thanh chuyển cảnh */
.reel{ display:flex; align-items:center; justify-content:center; gap:18px; margin-top:22px; position:relative; z-index:1; }
.reel__i{ font-family:var(--mono); font-size:12px; color:var(--text-faint); }
.reel__dots{ display:flex; gap:7px; }
.reel__d{
  width:28px; height:3px; border-radius:2px; padding:0; cursor:pointer;
  border:0; background:var(--line-strong); transition:background .35s var(--ease);
}
.reel__d.is-on{ background:var(--g-hot); }

/* hàng ghế */
.seats{
  position:relative; z-index:0; margin-top:clamp(26px,5vh,58px);
  display:grid; gap:9px; pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom, #000 0%, rgba(0,0,0,.35) 62%, transparent 100%);
  mask-image:linear-gradient(to bottom, #000 0%, rgba(0,0,0,.35) 62%, transparent 100%);
}
.seats__r{ display:flex; justify-content:center; gap:9px; }
.seats__r span{ display:block; height:24px; flex:0 0 54px; border-radius:10px 10px 3px 3px; background:var(--line); }
.seats__r:nth-child(2) span{ height:28px; flex-basis:62px; background:var(--line-strong); opacity:.5; }
@media (max-width:720px){
  .seats__r span{ flex-basis:38px; height:20px; }
  .seats__r:nth-child(2) span{ flex-basis:44px; height:23px; }
}

/* Cân lại nhịp header rạp cho vừa một màn hình */
.cinema{ padding-top:clamp(88px,11vh,116px); }
.cinema__title{
  font-size:clamp(30px,4.3vw,60px); line-height:1.04; letter-spacing:-.035em;
  max-width:20ch;
}
.cinema__lede{ font-size:clamp(14px,1.15vw,16.5px); max-width:56ch; margin-top:14px; }
.stage{ max-width:min(1060px, calc(52svh * 16 / 9)); }
.stage__glow{ opacity:.32; height:120%; filter:blur(84px); }
.cinema__top{ margin-bottom:clamp(18px,3vh,34px); }
@media (max-width:820px){
  .stage{ max-width:100%; }
  .cinema{ min-height:auto; padding-bottom:40px; }
}
.stage{ max-width:min(1060px, calc(45svh * 16 / 9)); }
.cinema__lede{ max-width:52ch; }
.reel{ margin-top:18px; }
.seats{ margin-top:clamp(20px,3.4vh,42px); }

/* Hàng ghế: tách rõ hai hàng, chừa lối đi giữa */
.seats__r{ gap:7px; }
.seats__r span{ flex:0 0 42px; height:22px; border-radius:12px 12px 4px 4px; background:var(--line); }
.seats__r span:nth-child(6){ margin-inline:26px; }
.seats__r:nth-child(2){ gap:9px; }
.seats__r:nth-child(2) span{ flex-basis:52px; height:27px; border-radius:14px 14px 5px 5px; opacity:.62; }
.seats__r:nth-child(2) span:nth-child(5){ margin-inline:30px; }
@media (max-width:720px){
  .seats__r span{ flex-basis:28px; height:16px; }
  .seats__r:nth-child(2) span{ flex-basis:34px; height:20px; }
  .seats__r span:nth-child(6), .seats__r:nth-child(2) span:nth-child(5){ margin-inline:14px; }
}
[data-theme="light"] .chip{ color:var(--text-dim); background:#fff; }
[data-theme="light"] .scard{ box-shadow:0 1px 2px rgba(20,21,26,.04); }
[data-theme="light"] .stats__item, [data-theme="light"] .steps__item{ background:var(--bg); }

/* =========================================================
   LỚP iOS PREMIUM
   Bo góc lớn, kính mờ, bóng mềm nhiều lớp, nền mesh gradient
   ========================================================= */
:root{
  --r-xl: 32px;
  --r-lg: 24px;
  --r-md: 18px;
  --r-sm: 13px;
  --r-pill: 999px;
  --spring: cubic-bezier(.32,.72,0,1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Be Vietnam Pro", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sh-1: 0 1px 2px rgba(16,17,22,.05);
  --sh-2: 0 1px 2px rgba(16,17,22,.05), 0 8px 24px -10px rgba(16,17,22,.14);
  --sh-3: 0 2px 6px rgba(16,17,22,.06), 0 24px 60px -18px rgba(16,17,22,.22);
}

/* ---- Nền mesh: bốn quầng màu rất mềm, cố định sau nội dung ---- */
[data-theme="light"]{
  --bg:        #F4F3F6;
  --bg-elev:   #FFFFFF;
  --bg-elev-2: #FAFAFC;
  --text:      #1B1B1F;
  --text-dim:  #62636A;
  --text-faint:#8E8F97;
  --line:      rgba(20,21,26,.07);
  --line-strong: rgba(20,21,26,.14);
}
[data-theme="light"] body::before{
  content:""; position:fixed; inset:-20%; z-index:-1; pointer-events:none;
  background:
    radial-gradient(38% 34% at 12% 8%,  rgba(255,183,209,.55) 0%, transparent 70%),
    radial-gradient(34% 30% at 88% 12%, rgba(255,214,168,.5)  0%, transparent 70%),
    radial-gradient(40% 36% at 82% 82%, rgba(196,178,255,.5)  0%, transparent 70%),
    radial-gradient(32% 30% at 18% 88%, rgba(168,226,255,.45) 0%, transparent 70%);
  filter:blur(40px);
}

/* ---- Bo góc lớn khắp nơi ---- */
.card__media, .rec__m, .ep, .gal__img, .person__img, .pj-player,
.figs .gal__img, .screen__s .ph{ border-radius:var(--r-lg); }
.scard, .code, .pillar, .folder, .steps__item, .stats__item{ border-radius:var(--r-lg); }
.player, .screen{ border-radius:var(--r-xl); }
.chip, .btn, .pill, .reel__d, .tabs a{ border-radius:var(--r-pill); }
.gate__input, .gate__btn{ border-radius:var(--r-md); }
.brand__mark, .gate__mark, .author__av{ border-radius:var(--r-pill); }

/* ---- Thẻ nổi bằng bóng, bớt dùng viền ---- */
[data-theme="light"] .scard,
[data-theme="light"] .pillar,
[data-theme="light"] .code,
[data-theme="light"] .folder,
[data-theme="light"] .ep{
  border-color:transparent; background:var(--bg-elev); box-shadow:var(--sh-2);
}
[data-theme="light"] .card__media,
[data-theme="light"] .rec__m,
[data-theme="light"] .gal__img,
[data-theme="light"] .person__img{
  border-color:transparent; box-shadow:var(--sh-2);
}
[data-theme="light"] .player, [data-theme="light"] .screen{
  border-color:transparent; box-shadow:var(--sh-3);
}
[data-theme="light"] .pillar:hover, [data-theme="light"] .folder:hover{
  box-shadow:var(--sh-3); border-color:transparent;
}

/* ---- Bento: số liệu & quy trình thành ô rời ---- */
[data-theme="light"] .stats,
[data-theme="light"] .steps{
  background:transparent; border:0; gap:12px;
}
[data-theme="light"] .stats__item,
[data-theme="light"] .steps__item{
  background:var(--bg-elev); box-shadow:var(--sh-2); border:0;
  padding:26px 22px 28px;
}
[data-theme="light"] .steps__item{ border-top:0; position:relative; overflow:hidden; }
[data-theme="light"] .steps__item::before{
  content:""; position:absolute; left:22px; right:22px; top:0; height:3px;
  border-radius:0 0 3px 3px; background:var(--stage);
}

/* ---- Kính mờ ---- */
[data-theme="light"] .nav::before{
  background:rgba(244,243,246,.62);
  -webkit-backdrop-filter:blur(28px) saturate(180%);
  backdrop-filter:blur(28px) saturate(180%);
}
[data-theme="light"] .nav.is-scrolled::before{
  background:rgba(244,243,246,.74);
  box-shadow:0 1px 0 rgba(20,21,26,.06);
}
[data-theme="light"] .tabs{
  background:rgba(244,243,246,.72);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  backdrop-filter:blur(24px) saturate(180%);
  border-bottom-color:transparent; border-radius:0;
}
[data-theme="light"] .chip{
  background:rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  border-color:var(--line-strong);
}

/* ---- Chữ theo nếp iOS: tiêu đề lớn siết chặt hơn ---- */
.h-display, .cinema__title, .pj-title, .pj-head h1{ letter-spacing:-.045em; }
.h-section{ letter-spacing:-.035em; }
.article h2{ letter-spacing:-.03em; }
[data-theme="light"] .article h2, [data-theme="light"] .article h3{ color:#1B1B1F; }

/* ---- Chuyển động kiểu spring + phản hồi khi bấm ---- */
.btn, .pill, .card, .rec__i, .pillar, .folder, .reel__d, .tabs a, .gate__btn{
  transition:transform .38s var(--spring), box-shadow .38s var(--spring),
             background .3s var(--spring), color .3s var(--spring), border-color .3s var(--spring), opacity .3s;
}
.btn:active, .pill:active, .gate__btn:active, .folder:active{ transform:scale(.97); }
.card:active .card__media, .rec__i:active .rec__m{ transform:scale(.985); }
.card__media, .rec__m{ transition:transform .38s var(--spring), box-shadow .38s var(--spring); }
[data-theme="light"] .card:hover .card__media,
[data-theme="light"] .rec__i:hover .rec__m{ box-shadow:var(--sh-3); }

/* ---- Quầng máy chiếu thành mesh nhiều màu ---- */
.stage__glow{
  background:
    radial-gradient(42% 46% at 22% 26%, rgba(255,138,180,.85) 0%, transparent 70%),
    radial-gradient(38% 42% at 78% 22%, rgba(255,198,124,.8)  0%, transparent 70%),
    radial-gradient(44% 48% at 74% 78%, rgba(168,138,255,.8)  0%, transparent 70%),
    radial-gradient(36% 40% at 24% 76%, rgba(120,208,255,.75) 0%, transparent 70%);
  filter:blur(58px); opacity:.55;
}

/* ---- Ô trống cũng bo tròn cho khớp ---- */
.ph{ border-radius:inherit; }
.ph::before{ background-size:52px 52px; opacity:.35; }

/* Thanh dính phải đủ đặc để chữ phía sau không lộ qua */
[data-theme="light"] .nav::before{ background:rgba(244,243,246,.82); }
[data-theme="light"] .nav.is-scrolled::before{ background:rgba(244,243,246,.93); }
[data-theme="light"] .tabs{ background:rgba(244,243,246,.9); }
[data-theme="light"] .tabs::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--line);
}
.tabs{ position:sticky; }
[data-theme="light"] .nav::before{ background:rgba(244,243,246,.88); }
[data-theme="light"] .nav.is-scrolled::before{ background:rgba(245,244,247,.97); }
[data-theme="light"] .tabs{ background:rgba(245,244,247,.96); }

/* =========================================================
   TỐI GIẢN — BỎ GRADIENT
   Màu đến từ ảnh dự án, không đến từ giao diện.
   ========================================================= */

/* Mọi chỗ đang dùng --g-hot chuyển thành một màu đặc */
[data-theme="light"]{
  --accent:      #1B1B1F;
  --on-accent:   #FFFFFF;
  --accent-line: rgba(27,27,31,.22);
  --accent-dim:  rgba(27,27,31,.06);
  --chip1: rgba(27,27,31,.14);
  --chip2: rgba(27,27,31,.14);
  --chip3: rgba(27,27,31,.14);
  --s1: #1B1B1F; --s2: #1B1B1F; --s3: #1B1B1F; --s4: #1B1B1F;
}
:root, [data-theme="gold"]{ --on-accent:#0A0A0B; }
[data-theme="warm"], [data-theme="ai"]{ --on-accent:#0A0A0B; }
:root, [data-theme="gold"], [data-theme="warm"], [data-theme="ai"], [data-theme="light"]{
  --g-hot: linear-gradient(var(--accent), var(--accent));
}

/* Chữ tô gradient → chữ thường */
.grad{
  background:none; color:inherit;
  -webkit-text-fill-color:currentColor; -webkit-background-clip:initial; background-clip:initial;
}
[data-theme="light"] .grad{ color:#8B8E95; }

.stats__num, .scard__t{
  background:none; -webkit-text-fill-color:currentColor;
  -webkit-background-clip:initial; background-clip:initial;
}
.stats__num{ color:var(--text); }
.scard__t{ color:var(--text-faint); }
.pillar__no{
  background:none; -webkit-text-fill-color:currentColor;
  -webkit-background-clip:initial; background-clip:initial; color:var(--text-faint);
}

/* Nút chính: đen đặc, chữ trắng */
.gate__btn, .btn--solid, .pill--solid, .b--go, .tabs a.is-active, .ad__navb.is-on{
  background:var(--accent); color:var(--on-accent);
}
.gate__btn:hover, .btn--solid:hover, .pill--solid:hover{ background:var(--accent); color:var(--on-accent); opacity:.86; }

/* Thanh, vạch, viền — bỏ màu */
.meter i{ background:var(--accent); }
.screen__bar{ background:var(--accent); }
.reel__d.is-on{ background:var(--accent); }
.article hr{ height:1px; background:var(--line); opacity:1; }
.pillar::before{ display:none; }
[data-theme="light"] .steps__item::before{ background:var(--line-strong); height:2px; }
.steps__item{ border-top-color:var(--line); }
.article h2.stage-h{ border-left-color:var(--line-strong); }
.quote, .lead-in{ border-image:none; border-left:2px solid var(--line-strong); }
.card__media::after, .rec__m::after{ display:none; }
.label--accent{ color:var(--text-faint); }
.code__h{ color:var(--text-faint); }
.steps__no{ color:var(--text-faint); }

/* Nền: bỏ mesh bốn màu, để một lớp ấm rất nhạt */
[data-theme="light"] body::before{
  background:
    radial-gradient(60% 50% at 50% 0%,   rgba(27,27,31,.035) 0%, transparent 70%),
    radial-gradient(70% 60% at 50% 100%, rgba(27,27,31,.028) 0%, transparent 70%);
  filter:none;
}

/* Quầng máy chiếu: bóng trung tính, không phải cầu vồng */
.stage__glow{
  background:radial-gradient(50% 50% at 50% 50%, rgba(27,27,31,.26) 0%, transparent 72%);
  filter:blur(46px); opacity:1; animation:none;
}

/* Logo, avatar, chip về trung tính */
.brand__mark, .gate__mark, .author__av{ color:var(--text); border-color:var(--accent-line); }
.chip{ border-color:var(--chip1); }
/* Nền tối trên nút => chữ trắng (đặt cuối để thắng rule :root ở trên) */
[data-theme="light"]{ --on-accent:#FFFFFF; }

/* =========================================================
   KHÔNG KHÍ APPLE: mesh pastel ở nền, bóng mềm có sắc,
   thẻ trắng nổi lên trên. Nút vẫn một màu đặc.
   ========================================================= */
[data-theme="light"]{
  --bg:        #F7F6F9;
  --bg-elev:   #FFFFFF;
  --bg-elev-2: #FCFCFD;
  --sh-1: 0 1px 2px rgba(72,62,96,.05);
  --sh-2: 0 2px 5px rgba(72,62,96,.045), 0 14px 34px -14px rgba(72,62,96,.18);
  --sh-3: 0 4px 12px rgba(72,62,96,.07), 0 38px 76px -24px rgba(72,62,96,.30);
}

/* Nền: bốn quầng pastel dịu, không chói */
[data-theme="light"] body::before{
  content:""; position:fixed; inset:-15%; z-index:-1; pointer-events:none;
  background:
    radial-gradient(46% 42% at 6% 2%,   rgba(255,206,224,.80) 0%, transparent 66%),
    radial-gradient(44% 40% at 96% 6%,  rgba(255,229,198,.72) 0%, transparent 66%),
    radial-gradient(50% 46% at 92% 94%, rgba(216,203,255,.72) 0%, transparent 66%),
    radial-gradient(42% 40% at 4% 98%,  rgba(199,229,255,.62) 0%, transparent 66%);
  filter:blur(24px);
}

/* Thẻ: trắng, viền sáng mảnh ở mép trên, bóng mềm */
[data-theme="light"] .scard,
[data-theme="light"] .pillar,
[data-theme="light"] .code,
[data-theme="light"] .folder,
[data-theme="light"] .ep,
[data-theme="light"] .stats__item,
[data-theme="light"] .steps__item{
  background:linear-gradient(180deg,#FFFFFF 0%,#FDFDFE 100%);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--sh-2), inset 0 1px 0 rgba(255,255,255,.95);
  position:relative; overflow:hidden;
}
[data-theme="light"] .pillar:hover,
[data-theme="light"] .folder:hover{ box-shadow:var(--sh-3), inset 0 1px 0 rgba(255,255,255,.95); }

/* Mỗi ô một sắc pastel rất nhạt ở góc trên — như tile trong ref */
.pillar, .steps__item{ --tint:255,206,224; }
.pillar:nth-child(2), .steps__item:nth-child(2){ --tint:255,229,198; }
.pillar:nth-child(3), .steps__item:nth-child(3){ --tint:216,203,255; }
.pillar:nth-child(4), .steps__item:nth-child(4){ --tint:199,229,255; }
.steps__item:nth-child(5){ --tint:214,240,220; }
[data-theme="light"] .pillar::after,
[data-theme="light"] .steps__item::after{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none; border-radius:inherit;
  background:radial-gradient(78% 66% at 92% -6%, rgba(var(--tint),.55) 0%, transparent 68%);
}
[data-theme="light"] .pillar > *, [data-theme="light"] .steps__item > *{ position:relative; z-index:1; }
[data-theme="light"] .steps__item::before{ display:none; }

/* Ảnh và màn chiếu: bóng sâu hơn để nổi khỏi nền */
[data-theme="light"] .card__media,
[data-theme="light"] .rec__m,
[data-theme="light"] .gal__img,
[data-theme="light"] .person__img{ box-shadow:var(--sh-2); border:0; }
[data-theme="light"] .player,
[data-theme="light"] .screen{ box-shadow:var(--sh-3); border:0; }
[data-theme="light"] .card:hover .card__media,
[data-theme="light"] .rec__i:hover .rec__m{ box-shadow:var(--sh-3); }

/* Quầng máy chiếu: mesh pastel dịu sau màn hình */
.stage__glow{
  background:
    radial-gradient(44% 48% at 20% 24%, rgba(255,178,205,.9) 0%, transparent 68%),
    radial-gradient(40% 44% at 80% 20%, rgba(255,214,168,.85) 0%, transparent 68%),
    radial-gradient(46% 50% at 76% 80%, rgba(196,178,255,.85) 0%, transparent 68%),
    radial-gradient(38% 42% at 22% 78%, rgba(168,214,255,.8) 0%, transparent 68%);
  filter:blur(52px); opacity:.62;
  animation:glowdrift 18s ease-in-out infinite alternate;
}

/* Thanh dính: kính mờ trên nền pastel */
[data-theme="light"] .nav::before{ background:rgba(247,246,249,.72); }
[data-theme="light"] .nav.is-scrolled::before{
  background:rgba(249,248,251,.9);
  box-shadow:0 1px 0 rgba(72,62,96,.06);
}
[data-theme="light"] .tabs{ background:rgba(249,248,251,.88); }

/* Ô nhập và chip trong suốt nhẹ để thấy nền */
[data-theme="light"] .in, [data-theme="light"] .ta{
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  border-color:rgba(72,62,96,.10);
}
[data-theme="light"] .chip{ background:rgba(255,255,255,.72); }
[data-theme="light"] .ad__side{ background:rgba(255,255,255,.72); -webkit-backdrop-filter:blur(20px); backdrop-filter:blur(20px); }
[data-theme="light"] .bar{ background:rgba(252,252,253,.86); -webkit-backdrop-filter:blur(20px); backdrop-filter:blur(20px); }
[data-theme="light"] .fs{ background:linear-gradient(180deg,#FFFFFF 0%,#FDFDFE 100%); border-color:rgba(255,255,255,.9); box-shadow:var(--sh-2); }
[data-theme="light"] .note{ background:rgba(255,255,255,.7); border-color:rgba(255,255,255,.9); box-shadow:var(--sh-1); }
/* Quầng sáng toả rộng hơn quanh màn chiếu */
.stage__glow{ width:126%; height:142%; opacity:.78; filter:blur(58px); }