/* ==========================================================================
   CODEX AGENT TEAM LEAD
   Layout system reconstructed 1:1 from the reference editorial site.
   Black canvas, unobscured cinematic video, 12-column grid, Fellix display
   type with negative tracking, PP Supply Sans micro labels, hairline rules.
   Only the content is Codex Agent Team Lead; the geometry is the reference.
   ========================================================================== */

@font-face{font-family:'Fellix';src:url('fonts/Fellix-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Fellix';src:url('fonts/Fellix-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Fellix';src:url('fonts/Fellix-Light.ttf') format('truetype');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'PP Supply Sans';src:url('fonts/PPSupplySans-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Be Vietnam Pro';src:url('fonts/BeVietnamPro-Light.ttf') format('truetype');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'Be Vietnam Pro';src:url('fonts/BeVietnamPro-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Be Vietnam Pro';src:url('fonts/BeVietnamPro-Medium.ttf') format('truetype');font-weight:500;font-style:normal;font-display:swap}

:root{
  /* --- grid geometry (measured from the reference at 1280px) --- */
  --grid-margin:clamp(16px,3.75vw,48px);
  --grid-gutter:clamp(8px,.625vw,16px);
  --grid-cols:12;

  /* --- vertical rhythm (48 / 128 / 224 / 352 at 1280) --- */
  --space-1:clamp(24px,3.75vw,48px);
  --space-2:clamp(64px,10vw,128px);
  --space-3:clamp(112px,17.5vw,224px);
  --space-4:clamp(160px,27.5vw,352px);
  --gap-micro:clamp(12px,1.875vw,24px);
  --gap-wide:clamp(40px,6.25vw,80px);
  --gap-max:clamp(96px,17.5vw,224px);

  /* --- colour: the reference has no hue except a periwinkle blink flash --- */
  --light:#fff;
  --dark:#000;
  --grey:#898989;
  --grey-deep:#494949;
  --grey-quiet:#202020;
  --grey-legal:#606060;
  --flash:#8898e7;
  --pill:rgba(255,255,255,.1);
  --pill-hover:rgba(255,255,255,.19);
  --hairline:rgba(255,255,255,.14);
  --radius:2.4px;

  /* --- type stacks --- */
  --display:'Be Vietnam Pro',Arial,Helvetica,sans-serif;
  --mono:'Be Vietnam Pro',Arial,Helvetica,sans-serif;

  /* --- type scale: computed size / line-height / letter-spacing --- */
  --t-h1:76px;        --lh-h1:1.22;         --ls-h1:0;
  --t-display:72px;   --lh-display:1.25;    --ls-display:0;
  --t-h3max:56px;     --lh-h3max:1.25;      --ls-h3max:0;
  --t-h3:56px;        --lh-h3:1.25;         --ls-h3:0;
  --t-h4:48px;        --lh-h4:1.28;         --ls-h4:0;
  --t-letter:44px;    --lh-letter:1.3;      --ls-letter:0;
  --t-offlimits:44px; --lh-offlimits:1.3;   --ls-offlimits:0;
  --t-h5:36px;        --lh-h5:1.3;          --ls-h5:0;
  --t-h6:20px;        --lh-h6:1.5;          --ls-h6:0;
  --t-bodyL:26px;     --lh-bodyL:1.55;      --ls-bodyL:0;
  --t-bodyM:15px;     --lh-bodyM:1.8;       --ls-bodyM:0;
  --t-stat:144px;     --lh-stat:1.2;        --ls-stat:0;
  --t-footer:64px;    --lh-footer:1.25;     --ls-footer:0;
  --t-sub:12px;       --lh-sub:1.6;         --ls-sub:0;
  --t-micro:11px;     --lh-micro:1.65;      --ls-micro:0;
  --t-descriptor:16px;--lh-descriptor:1.6;  --ls-descriptor:0;

  --ease-p2:cubic-bezier(.215,.61,.355,1);
  --ease-p3:cubic-bezier(.165,.84,.44,1);
  --ease-smooth:cubic-bezier(.32,.72,0,1);
}

/* ==========================================================================
   RESET + BASE
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
body.no-scroll{overflow:hidden}
body{
  margin:0;background:var(--dark);color:var(--light);
  font-family:var(--mono);font-size:var(--t-bodyM);line-height:var(--lh-bodyM);
  letter-spacing:0;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:1px solid var(--light);outline-offset:3px}
::selection{background:var(--flash);color:#000}
.skip-link{
  position:fixed;top:8px;left:8px;z-index:9999;transform:translateY(-160%);
  padding:10px 16px;background:var(--light);color:var(--dark);
  font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;
  transition:transform .3s var(--ease-p2);
}
.skip-link:focus{transform:none}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}

/* ==========================================================================
   TYPE UTILITIES (reference class names)
   ========================================================================== */
.display{font-family:var(--display);font-weight:400;font-size:var(--t-display);line-height:var(--lh-display);letter-spacing:var(--ls-display)}
.hero-title{font-family:var(--display);font-weight:400;font-size:var(--t-h1);line-height:var(--lh-h1);letter-spacing:var(--ls-h1)}
.max-h3{font-family:var(--display);font-weight:400;font-size:var(--t-h3max);line-height:var(--lh-h3max);letter-spacing:var(--ls-h3max)}
.heading-3{font-family:var(--display);font-weight:400;font-size:var(--t-h3);line-height:var(--lh-h3);letter-spacing:var(--ls-h3)}
.heading-4{font-family:var(--display);font-weight:400;font-size:var(--t-h4);line-height:var(--lh-h4);letter-spacing:var(--ls-h4)}
.heading-5{font-family:var(--display);font-weight:400;font-size:var(--t-h5);line-height:var(--lh-h5);letter-spacing:var(--ls-h5)}
.heading-6{font-family:var(--display);font-weight:400;font-size:var(--t-h6);line-height:var(--lh-h6);letter-spacing:var(--ls-h6)}
.body-large{font-family:var(--display);font-weight:300;font-size:var(--t-bodyL);line-height:var(--lh-bodyL);letter-spacing:var(--ls-bodyL)}
.body-copy{font-family:var(--mono);font-size:var(--t-bodyM);line-height:var(--lh-bodyM);color:#c9c9c9}
.subheading{
  font-family:var(--mono);font-size:var(--t-sub);line-height:var(--lh-sub);
  letter-spacing:var(--ls-sub);text-transform:uppercase;
}
.micro-text{
  font-family:var(--mono);font-size:var(--t-micro);line-height:var(--lh-micro);
  letter-spacing:var(--ls-micro);text-transform:uppercase;color:#7d7d7d;
}
.micro-text.is-live{color:var(--light)}
.micro-text.is-quiet{color:var(--grey-quiet)}
.stat-descriptor{font-family:var(--display);font-weight:300;font-size:var(--t-descriptor);line-height:var(--lh-descriptor);letter-spacing:var(--ls-descriptor);text-align:center;color:#d6d6d6}
.legal-text{font-family:var(--mono);font-size:var(--t-micro);line-height:1.6;letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey-legal)}

/* The reference's dimming device: a hairline grey gradient clipped to text. */
.gradient-text{
  color:#a3a3a3;
}
.gradient-text.is-on-light{
  color:#555;
}

/* ==========================================================================
   GLOBAL GRID
   ========================================================================== */
.global-grid{
  display:grid;
  grid-template-columns:repeat(var(--grid-cols),1fr);
  column-gap:var(--grid-gutter);
  width:100%;
}
.global-grid>*{grid-column:span 3;min-width:0}
.span-2{grid-column:span 2}.span-3{grid-column:span 3}.span-4{grid-column:span 4}
.span-5{grid-column:span 5}.span-6{grid-column:span 6}.span-7{grid-column:span 7}
.span-8{grid-column:span 8}.span-9{grid-column:span 9}.span-10{grid-column:span 10}
.span-12{grid-column:1/-1}
.side-padding{padding-left:var(--grid-margin);padding-right:var(--grid-margin)}
.col-start-2{grid-column-start:2}.col-start-3{grid-column-start:3}
.col-start-4{grid-column-start:4}.col-start-6{grid-column-start:6}
.col-start-7{grid-column-start:7}.col-start-8{grid-column-start:8}

/* ==========================================================================
   FULL-FRAME MEDIA
   The reference never dims its films: opacity 1, no filter. The only darkening
   is the same radial/linear black mask used by the original, and only where it
   masks an edge so type can sit on top.
   ========================================================================== */
.full-video{
  position:absolute;z-index:1;top:0;left:0;
  width:100%;height:100%;object-fit:cover;object-position:center;
  opacity:.82;filter:saturate(.85) brightness(.78);pointer-events:none;transform:scale(1.035);
  animation:film-drift 18s ease-in-out infinite alternate;
}
@keyframes film-drift{from{transform:scale(1.035) translate3d(-.4%,0,0)}to{transform:scale(1.09) translate3d(.4%,-.7%,0)}}
.video-contain{position:absolute;inset:0;z-index:1;overflow:hidden}
.gradient-overlay{position:absolute;inset:0;z-index:2;pointer-events:none}

.hairline{height:1px;background:var(--hairline);width:100%}
.divider{position:relative;height:1px;background:var(--hairline);margin:0 var(--grid-margin);z-index:5}
.divider-line-short{height:1px;width:56px;background:var(--hairline)}

/* ==========================================================================
   PILLS / ICON BUTTONS (radius 2.4, rgba(255,255,255,.1))
   ========================================================================== */
.icon-button{
  display:inline-flex;align-items:center;gap:12.8px;
  min-height:32px;padding:8px 20px;
  background:var(--pill);border-radius:var(--radius);
  font-family:var(--mono);font-size:var(--t-sub);line-height:1;
  letter-spacing:var(--ls-sub);text-transform:uppercase;color:var(--light);
  transition:background .35s var(--ease-p2);
  will-change:background;
}
.icon-button:hover{background:var(--pill-hover)}
.icon-button svg{width:14px;height:14px;flex:0 0 auto}
.icon-button.is-dark{background:rgba(0,0,0,.08);color:var(--dark)}
.icon-button.is-dark:hover{background:rgba(0,0,0,.16)}

/* ==========================================================================
   SECTION SHELL
   ========================================================================== */
.section{position:relative;background:transparent;isolation:isolate}
section[id]{scroll-margin-top:96px}

/* ==========================================================================
   PRELOADER — reference style: sparse black, mono telemetry, thin rule
   ========================================================================== */
.loader{
  position:fixed;inset:0;z-index:9000;background:var(--dark);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:var(--space-1);
  transition:opacity .7s var(--ease-p2),visibility .7s;
}
.loader.is-finished{opacity:0;visibility:hidden;pointer-events:none}
.loader-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gutter);
  font-family:var(--mono);font-size:var(--t-micro);line-height:1.8;
  letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey-deep);
}
.loader-grid b{display:block;color:var(--light);font-weight:400}
.loader-center{display:flex;flex-direction:column;align-items:center;gap:var(--gap-micro);text-align:center}
.loader-mark{width:clamp(48px,6vw,72px);height:auto;color:var(--light)}
.loader-title{font-family:var(--display);font-weight:400;font-size:var(--t-h5);line-height:1;letter-spacing:var(--ls-h5)}
.loader-title span{color:var(--grey-deep)}
.loader-rail{position:relative;width:min(320px,60vw);height:1px;background:rgba(255,255,255,.16);overflow:hidden}
.loader-rail i{position:absolute;inset:0 auto 0 0;width:0;background:var(--light);display:block}
.loader-status{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey)}
.loader-foot{display:flex;justify-content:space-between;gap:var(--grid-gutter);font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey-deep)}
.loader-foot em{color:var(--light);font-style:normal}

/* ==========================================================================
   HERO + FIXED NAV WRAPPER (reference: 3-column absolute grid, centred logo)
   ========================================================================== */
.hero-section{
  position:relative;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  min-height:760px;height:calc(100svh - 32px);padding:140px var(--grid-margin) 72px;
  isolation:isolate;overflow:hidden;
}
.hero-section>.full-video{position:absolute;z-index:1;top:0;left:0;width:100%;height:100%}
/* The film is already near-black at the edges; only the two text bands need a
   whisper of scrim, exactly like the reference, which never greys its hero. */
.hero-section .hero-mask{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.76) 0,rgba(0,0,0,.28) 28%,rgba(0,0,0,.38) 65%,rgba(0,0,0,.9) 100%),
             radial-gradient(ellipse at center,rgba(0,0,0,.2) 12%,rgba(0,0,0,.62) 100%);
}
.hero-section::after{content:"";position:absolute;z-index:2;left:8%;right:8%;bottom:12%;height:1px;background:linear-gradient(90deg,transparent,rgba(136,152,231,.4),transparent);transform:rotate(-4deg);opacity:.7;pointer-events:none}
.hero-section::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:radial-gradient(520px circle at var(--cursor-x,50%) var(--cursor-y,35%),rgba(136,152,231,.16),transparent 70%);mix-blend-mode:screen;opacity:.55}
.nav-wrapper{
  position:absolute;top:0;left:0;right:0;z-index:30;
  display:grid;grid-template-columns:1fr 1fr 1fr;align-items:start;
  padding:var(--space-1) var(--grid-margin);
}
.nav-logo{display:inline-flex;align-items:center;gap:12px;color:var(--light)}
.nav-logo svg{width:26px;height:26px}
.nav-logo .wordmark{
  font-family:var(--display);font-size:clamp(15px,1.9vw,24px);line-height:1;letter-spacing:-.02em;
}
.nav-logo .wordmark b{font-weight:400}
.nav-logo .wordmark i{font-style:normal;color:var(--grey)}
.nav-center{display:flex;justify-content:center}
.nav-end{display:flex;justify-content:flex-end;align-items:center;gap:12.8px}

/* the centred pill rail that sits under the hero title in the reference */
.nav-bar{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:12.8px;min-height:34px;padding:0 24px;
  background:rgba(24,24,27,.48);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  backdrop-filter:blur(24px) saturate(125%);-webkit-backdrop-filter:blur(24px) saturate(125%);
  box-shadow:0 14px 44px rgba(0,0,0,.22);
}
.nav-bar a{
  font-family:var(--mono);font-size:clamp(9.5px,.94vw,12px);line-height:1;
  letter-spacing:var(--ls-sub);text-transform:uppercase;color:var(--light);
  padding:11px 0;position:relative;transition:color .3s var(--ease-p2);
}
.nav-bar a.is-sep{color:rgba(255,255,255,.28);pointer-events:none;padding:11px 0}
.nav-bar a:not(.is-sep):hover{color:var(--flash)}
.nav-bar.is-stuck a{color:var(--light)}

.mobile-toggle{display:none;width:34px;height:34px;align-items:center;justify-content:center;background:var(--pill);border-radius:var(--radius)}
.mobile-toggle svg{width:18px;height:18px}
.mobile-drawer{
  position:fixed;inset:0;z-index:8000;background:var(--dark);
  display:flex;flex-direction:column;justify-content:center;gap:var(--gap-micro);
  padding:var(--space-2) var(--grid-margin);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .45s var(--ease-p2),transform .45s var(--ease-p2),visibility .45s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.mobile-drawer a{font-family:var(--display);font-size:var(--t-h5);line-height:1;letter-spacing:var(--ls-h5)}
.mobile-drawer .drawer-close{position:absolute;top:var(--space-1);right:var(--grid-margin)}

.hero-container{
  position:relative;z-index:10;width:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  gap:clamp(18px,min(2.6vw,4.2vh),40px);padding-top:min(96px,13vh);
}
.hero-flex{
  display:flex;flex-direction:column;align-items:center;gap:clamp(14px,1.9vw,24px);
  text-align:center;
}
.hero-subline{display:flex;align-items:center;gap:12px;color:var(--light);opacity:.92}
.hero-subline .dot{width:5px;height:5px;border-radius:50%;background:var(--flash);box-shadow:0 0 0 3px rgba(136,152,231,.18)}
h1.hero-title{max-width:800px;color:var(--light);font-weight:300;text-wrap:balance}
h1.hero-title .word{display:inline-block;white-space:pre}
.heading-width{width:min(416px,86vw);text-align:center}
.heading-width .heading-6{display:block}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12.8px}
.hero-scroll{display:none}
.hero-scroll .rail{position:relative;width:1px;height:56px;background:rgba(255,255,255,.2);overflow:hidden}
.hero-scroll .rail i{position:absolute;top:0;left:0;width:1px;height:20px;background:var(--light);display:block;animation:scroll-rail 2.4s var(--ease-smooth) infinite}
@keyframes scroll-rail{0%{transform:translateY(-100%)}60%,100%{transform:translateY(280%)}}

/* ==========================================================================
   INTRO / TẦM NHÌN — micro row, huge display title, offset 16:9 film
   ========================================================================== */
.intro-section{position:relative;padding:var(--space-1) var(--grid-margin) var(--space-4);isolation:isolate}
.intro-section>.global-grid,.intro-section>.micro-row,.protection-grid{position:relative;z-index:3}
.micro-row{display:grid;grid-template-columns:repeat(var(--grid-cols),1fr);column-gap:var(--grid-gutter);align-items:start}
.micro-row .col-icon{grid-column:span 3;display:flex}
.micro-row .col-icon svg{width:100%;max-width:28px;height:auto;color:var(--light)}
.micro-row .col-text{grid-column:span 4}
.micro-row .col-text:last-of-type{grid-column:span 2}
.intro-title-contain{grid-column:1/-1;padding:var(--space-2) 0 96px}
.intro-title-contain .display{display:block;max-width:1100px;text-wrap:balance;font-weight:300}
.intro-body{grid-column:span 4;padding-bottom:96px}
.intro-body .body-large{margin-bottom:var(--gap-micro)}
.intro-body .body-copy{color:#b9b9b9;max-width:46ch}
.intro-rules{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;padding:64px 0 96px}
.rule-item{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:baseline;border-top:1px solid var(--hairline);padding-top:12px}
.rule-item .n{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);color:var(--grey)}
.rule-item h3{font-family:var(--display);font-weight:400;font-size:var(--t-h6);line-height:var(--lh-h6);letter-spacing:var(--ls-h6)}
.rule-item p{font-family:var(--mono);font-size:12px;line-height:1.55;color:#a3a3a3;margin-top:6px;letter-spacing:.02em}
.intro-vid{
  position:absolute;z-index:1;right:0;bottom:var(--space-3);
  width:82%;aspect-ratio:16/9;overflow:hidden;pointer-events:none;
}
.intro-vid .full-video{position:absolute;inset:0;width:100%;height:100%}
.intro-vid .gradient-overlay{background:radial-gradient(circle at 100% 100%,transparent 40%,#000 100%)}

/* ==========================================================================
   PROTECTION / KIẾN TRÚC — two 6-col halves + swap word + 3:2 film
   ========================================================================== */
.protection-section{position:relative;padding:var(--space-1) var(--grid-margin) var(--space-3);isolation:isolate;overflow:hidden}
.protection-grid{min-height:0;column-gap:48px}
.protection-left{grid-column:span 6;display:flex;flex-direction:column;gap:var(--gap-micro)}
.protection-left .max-h3{max-width:12ch}
.protection-left .body-large{max-width:34ch;color:#d2d2d2}
.protection-right{grid-column:span 6;padding-top:var(--space-1);display:flex;flex-direction:column;gap:40px;min-width:0}
.medium-flex{display:flex;gap:var(--gap-wide);align-items:flex-start}
.small-flex{width:100%;min-width:0;display:flex;flex-direction:column;gap:12px}
.swap{position:relative;display:inline-grid;vertical-align:bottom}
.swap-list{display:grid;width:100%;min-width:0}
.swap-word{
  grid-area:1/1;display:block;white-space:normal;overflow-wrap:anywhere;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .45s var(--ease-p2),transform .45s var(--ease-p2);
}
.swap-word.is-current{opacity:1;visibility:visible;transform:none}
.swap-word.is-out{opacity:0;transform:translateY(12px)}
.swap-word .gradient-text{padding-right:.06em}
.swap-meta{display:grid;gap:10px}
.swap-meta .row{display:grid;grid-template-columns:1fr 1fr;gap:var(--grid-gutter);align-items:center;border-top:1px solid var(--hairline);padding-top:10px}
.swap-meta .row span:first-child{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey)}
.swap-meta .row span:last-child{font-family:var(--display);font-size:var(--t-h6);line-height:var(--lh-h6);letter-spacing:var(--ls-h6);text-align:right}
.protection-vid-container{position:absolute;left:0;bottom:0;z-index:1;width:64%;padding-top:clamp(80px,12.5vw,160px);pointer-events:none}
.protection-vid-container .frame{position:relative;width:100%;aspect-ratio:3/2;overflow:hidden}
.protection-vid-container .full-video{position:absolute;inset:0;width:100%;height:100%}
.protection-vid-container .gradient-overlay{background:radial-gradient(circle at 0% 50%,transparent 40%,#000 100%)}
.role-index{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gutter);align-self:end;padding-top:var(--space-2)}
.role-index button{text-align:left;display:grid;gap:8px;padding-top:12px;border-top:1px solid var(--hairline);transition:border-color .35s var(--ease-p2)}
.role-index button .k{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);color:var(--grey)}
.role-index button .v{font-family:var(--display);font-size:var(--t-h6);line-height:var(--lh-h6);letter-spacing:var(--ls-h6)}
.role-index button.is-active{border-top-color:var(--light)}
.role-index button.is-active .k{color:var(--light)}
.role-index button:hover{border-top-color:rgba(255,255,255,.5)}

/* ==========================================================================
   SECTION INTRO (dashed guideline + centred heading) — reference device
   ========================================================================== */
.section-intro{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--gap-micro);width:min(495px,88vw);margin:0 auto;text-align:center;padding:var(--space-2) 0}
.svg-guideline{position:relative;width:100%;height:1px;display:block;overflow:visible}
.svg-guideline line{stroke:rgba(255,255,255,.42);stroke-width:1;stroke-dasharray:2 2 4;animation:dash-drift 12s linear infinite}
@keyframes dash-drift{to{stroke-dashoffset:-64}}
.section-intro .heading-5{max-width:18ch}
.section-intro .subheading{opacity:.85}

/* ==========================================================================
   INDUSTRY / ĐỘI HÌNH — full-bleed film behind a right-staggered word list
   ========================================================================== */
.industry-section{position:relative;isolation:isolate;padding-bottom:var(--space-3);overflow:hidden}
.industry-stage{position:relative;z-index:3}
.industry-vid{position:absolute;inset:0;z-index:1;overflow:hidden}
.industry-vid .full-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.industry-vid .gradient-overlay{background:linear-gradient(#000 0,transparent 28%),radial-gradient(circle at 0% 100%,transparent 45%,#000 100%)}
.industry-vid .bottom-fade{position:absolute;left:0;right:0;bottom:0;height:clamp(96px,14vw,180px);background:linear-gradient(180deg,transparent,#000)}
.is-industry{position:relative;z-index:4;padding:0 var(--grid-margin) var(--space-4);display:grid;grid-template-columns:repeat(var(--grid-cols),1fr);column-gap:var(--grid-gutter);row-gap:clamp(4px,.6vw,10px);align-items:end}
.is-industry .list-row{
  display:flex;align-items:baseline;justify-content:flex-end;gap:14px;
  grid-column:7/13;padding:clamp(4px,.6vw,10px) 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.is-industry .list-row:nth-child(1){grid-column:2/13}
.is-industry .list-row:nth-child(2){grid-column:3/13}
.is-industry .list-row:nth-child(3){grid-column:1/13}
.is-industry .list-row:nth-child(4){grid-column:8/13}
.is-industry .list-row:nth-child(5){grid-column:6/13}
.is-industry .list-row:nth-child(6){grid-column:4/13}
.is-industry .list-row:nth-child(7){grid-column:9/13}
.is-industry .list-row:nth-child(8){grid-column:5/13}
.is-industry .heading-3{white-space:nowrap;text-align:right}
.is-industry .tag{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey);white-space:nowrap}
.is-industry .list-row:hover .tag{color:var(--flash)}
.is-industry .list-row{position:relative;cursor:pointer;opacity:.42;transition:opacity .45s var(--ease-p3),transform .55s var(--ease-p3),border-color .35s ease,background .35s ease}
.is-industry .list-row::after{content:"";position:absolute;left:-14px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--flash);opacity:0;transform:scale(.5);transition:opacity .35s ease,transform .35s ease}
.is-industry .list-row.is-active{opacity:1;transform:translateX(-18px);border-top-color:rgba(136,152,231,.6);background:linear-gradient(90deg,transparent,rgba(136,152,231,.11))}
.is-industry .list-row.is-active::after{opacity:1;transform:scale(1)}
.is-industry .list-row.is-active .heading-3{color:#fff}
.is-industry .list-row:focus-visible{outline:1px solid var(--flash);outline-offset:8px}

/* ==========================================================================
   MARQUEE / LOGO STRIP — hairline rule + exclusion blend
   ========================================================================== */
.logo-section{position:relative;padding:var(--space-2) 0;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);overflow:hidden}
.marquee{display:flex;width:max-content;mix-blend-mode:normal}
.marquee-track{display:flex;align-items:center;gap:clamp(32px,5vw,72px);padding-right:clamp(32px,5vw,72px);flex:0 0 auto;animation:marquee-drift 38s linear infinite}
@keyframes marquee-drift{to{transform:translateX(-100%)}}
.logo-section:hover .marquee-track{animation-play-state:paused}
.marquee-item{display:flex;align-items:center;gap:12px;color:var(--grey);flex:0 0 auto;transition:color .35s var(--ease-p2)}
.marquee-item:hover{color:var(--light)}
.marquee-item img,.marquee-item svg{width:20px;height:20px;opacity:.6}
.marquee-item span{font-family:var(--mono);font-size:clamp(10px,1vw,12.8px);letter-spacing:var(--ls-sub);text-transform:uppercase;white-space:nowrap}
.marquee-cap{display:flex;justify-content:space-between;gap:var(--grid-gutter);padding:0 var(--grid-margin) var(--space-1);font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey-quiet)}

/* ==========================================================================
   STATS — micro scramble strip + two 490px circles
   ========================================================================== */
.stats-section{position:relative;padding-top:var(--space-1);isolation:isolate}
.micro-strip{display:grid;grid-template-columns:repeat(var(--grid-cols),1fr);column-gap:var(--grid-gutter);padding:0 var(--grid-margin) var(--space-1)}
.micro-strip .micro-text{grid-column:span 3}
.stats-container{display:grid;grid-template-columns:1fr 1fr;padding-bottom:var(--space-3)}
.stat-half{display:flex;flex-direction:column;align-items:center;gap:var(--gap-micro);justify-content:center;padding:0 var(--grid-margin)}
.stat-half+.stat-half{border-left:1px solid var(--hairline)}
.stat-number-wrap{
  position:relative;width:min(490px,100%);aspect-ratio:1;border-radius:50%;
  border:1px solid var(--hairline);display:flex;align-items:center;justify-content:center;
}
.stat-number-wrap::after{content:'';position:absolute;inset:auto 0 50% 0;height:1px;background:rgba(255,255,255,.06)}
.stat-number{font-family:var(--display);font-weight:400;font-size:var(--t-stat);line-height:var(--lh-stat);letter-spacing:var(--ls-stat);text-align:center}
.stat-note{display:grid;gap:10px;max-width:38ch;text-align:center}
.stat-note .body-large{color:#dcdcdc}

/* ==========================================================================
   PROCESS / QUY TRÌNH — off-limits statement, media band, 4 icon columns
   ========================================================================== */
.process-section{position:relative;padding-bottom:var(--space-4);isolation:isolate}
.offlimits-wrap{padding:var(--space-1) var(--grid-margin);text-align:center}
.offlimits-text{font-family:var(--display);font-weight:400;font-size:var(--t-offlimits);line-height:var(--lh-offlimits);letter-spacing:var(--ls-offlimits);max-width:22ch;margin:0 auto}
.offlimits-text .gradient-text{display:inline}
.process-media{position:relative;margin:0 var(--grid-margin);max-height:clamp(260px,45vh,500px);aspect-ratio:16/9;overflow:hidden}
.process-media .full-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.process-media .gradient-overlay{background:linear-gradient(#000 0,transparent 28%),radial-gradient(circle at 0% 100%,transparent 45%,#000 100%)}
.steps-container{padding:var(--space-2) var(--grid-margin) 0;display:grid;grid-template-columns:repeat(var(--grid-cols),1fr);column-gap:var(--grid-gutter)}
.steps-heading{grid-column:4/10;display:flex;flex-direction:column;align-items:center;gap:var(--gap-micro);text-align:center;padding-bottom:var(--space-2)}
.steps-heading .heading-4{width:min(448px,100%)}
.steps-row{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,286px));justify-content:center;gap:clamp(16px,2.5vw,32px)}
.icon-column{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.number-mask{position:relative;width:56px;height:1px;background:var(--hairline);overflow:visible}
.step-number{position:absolute;top:-1.1em;left:0;font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);color:var(--grey)}
.icon-column .gate-ico{width:clamp(28px,3.4vw,40px);height:clamp(28px,3.4vw,40px);color:var(--light)}
.icon-column h3{font-family:var(--display);font-weight:400;font-size:var(--t-bodyL);line-height:var(--lh-bodyL);letter-spacing:var(--ls-bodyL);max-width:20ch}
.icon-column p{font-family:var(--mono);font-size:12.5px;line-height:1.6;color:var(--grey);letter-spacing:.02em;max-width:34ch}
.icon-column .body-large,.icon-column h3 .gradient-text{color:inherit}

/* ==========================================================================
   BENEFITS / KIỂM SOÁT — sticky index pill + corner-bracket panel
   ========================================================================== */
.benefits-section{position:relative;padding-bottom:var(--space-3);isolation:isolate}
.benefits-inner{display:flex;gap:var(--grid-gutter);padding:0 var(--grid-margin)}
.benefits-left{width:50%;flex:0 0 50%;display:flex;gap:var(--gap-micro)}
.benefits-nav{position:sticky;top:var(--space-1);align-self:flex-start;display:inline-flex;align-items:center;gap:12.8px;min-height:34px;padding:0 14px;background:var(--pill);border-radius:var(--radius);font-family:var(--mono);font-size:var(--t-sub);letter-spacing:var(--ls-sub);white-space:nowrap}
.benefits-title-wrap{display:flex;flex-direction:column;gap:var(--gap-micro)}
.benefits-title-wrap .heading-4{max-width:16ch}
.vs-line{display:flex;align-items:baseline;gap:12px;font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey)}
.word-blink{position:relative;display:inline-grid}
.word-blink span{grid-area:1/1;white-space:nowrap}
.word-blink .a{animation:blink-a 6s steps(1,end) infinite}
.word-blink .b{animation:blink-b 6s steps(1,end) infinite}
@keyframes blink-a{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes blink-b{0%,49%{opacity:0}50%,100%{opacity:1}}
.benefits-right{width:50%;flex:0 0 50%;position:sticky;top:var(--space-1);align-self:flex-start;padding-left:24px;display:grid;gap:var(--gap-micro)}
.benefits-box{position:relative;padding:10px}
.benefits-box::before,.benefits-box::after{content:'';position:absolute;width:25px;height:25px;pointer-events:none}
.benefits-box::before{top:0;left:0;border-top:1px solid var(--light);border-left:1px solid var(--light)}
.benefits-box::after{top:0;right:0;border-top:1px solid var(--light);border-right:1px solid var(--light)}
.benefits-box .corner-bl,.benefits-box .corner-br{position:absolute;width:25px;height:25px;bottom:0;pointer-events:none}
.benefits-box .corner-bl{left:0;border-bottom:1px solid var(--light);border-left:1px solid var(--light)}
.benefits-box .corner-br{right:0;border-bottom:1px solid var(--light);border-right:1px solid var(--light)}
.compare-stack{display:grid;grid-template-columns:1fr;align-items:start}
.compare-slide{display:grid;gap:var(--gap-micro);grid-column:1/1;grid-row:1/1;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .5s var(--ease-p2),transform .5s var(--ease-p2),visibility .5s}
.compare-slide.is-active{opacity:1;visibility:visible;transform:none}
.compare-kicker{display:flex;justify-content:space-between;gap:var(--grid-gutter);font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey);border-bottom:1px solid var(--hairline);padding-bottom:12px}
.compare-kicker .verdict{color:var(--light)}
.compare-kicker .verdict.is-bad{color:#c46a6a}
.compare-head{font-family:var(--display);font-weight:400;font-size:var(--t-h5);line-height:var(--lh-h5);letter-spacing:var(--ls-h5);max-width:24ch}
.compare-text{font-family:var(--display);font-weight:300;font-size:var(--t-bodyL);line-height:var(--lh-bodyL);letter-spacing:var(--ls-bodyL);color:#d6d6d6;max-width:40ch}
.compare-list{display:grid;gap:0;border-top:1px solid var(--hairline)}
.compare-list li{display:grid;grid-template-columns:1fr 1fr;gap:var(--grid-gutter);padding:14px 0;border-bottom:1px solid var(--hairline);font-family:var(--mono);font-size:12.5px;line-height:1.6;letter-spacing:.02em;color:#bdbdbd}
.compare-list li b{font-weight:400;color:var(--grey-quiet)}
.compare-list li .us{color:#e8e8e8}
.pager{display:flex;gap:8px;align-items:center}
.pager button{width:34px;height:34px;display:grid;place-items:center;background:var(--pill);border-radius:var(--radius);transition:background .35s var(--ease-p2)}
.pager button:hover{background:var(--pill-hover)}
.pager svg{width:14px;height:14px}

/* ==========================================================================
   LETTER / TUYÊN NGÔN — full-bleed film (no mask), tokens, centred 4/10 column
   ========================================================================== */
.letter-section{position:relative;padding:0 var(--grid-margin) var(--space-4);isolation:isolate;overflow:hidden}
.letter-section .letter-video{position:absolute;z-index:1;top:0;left:0;width:100%;height:100%;object-fit:cover}
.letter-section .letter-mask{position:absolute;inset:0;z-index:2;background:radial-gradient(circle at 50% 42%,rgba(0,0,0,.30),rgba(0,0,0,.6) 62%,#000 100%);pointer-events:none}
.letter-inner{position:relative;z-index:3;display:grid;grid-template-columns:repeat(var(--grid-cols),1fr);column-gap:var(--grid-gutter)}
.letter-subheading{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;padding:var(--space-2) 0 var(--space-1);text-align:center}
.letter-subheading .subheading{color:var(--light)}
.letter-subheading .subheading.is-dark{color:#363636}
.letter-subheading .cursor-blink{display:inline-block;animation:cursor-blink 1.1s steps(1,end) infinite}
@keyframes cursor-blink{0%,49%{opacity:1}50%,100%{opacity:0}}
.letter-heading{grid-column:1/-1;padding-bottom:var(--space-1);text-align:center}
.letter-heading .heading-4{max-width:20ch;margin:0 auto;font-size:var(--t-letter);line-height:var(--lh-letter);letter-spacing:var(--ls-letter)}
.letter-container{grid-column:4/10;display:grid;gap:var(--gap-micro);margin-bottom:var(--space-2)}
.letter-container p.body-large{color:#dcdcdc}
.letter-container .highlight{color:var(--light);font-weight:400;-webkit-text-fill-color:initial;background:none}
.letter-sign{display:flex;justify-content:space-between;gap:var(--grid-gutter);border-top:1px solid var(--hairline);padding-top:12px;font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey)}

/* ==========================================================================
   QUICK START — terminal rendered in the reference's hairline language
   ========================================================================== */
.terminal-section{position:relative;padding-bottom:var(--space-3);isolation:isolate}
.terminal-shell{margin:0 var(--grid-margin);border:1px solid var(--hairline)}
.terminal-topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--grid-gutter);padding:12px 16px;border-bottom:1px solid var(--hairline);font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey)}
.terminal-dots{display:flex;gap:6px}
.terminal-dots i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.18);display:block}
.terminal-dots i:first-child{background:var(--flash)}
.terminal-live{color:var(--light)}
.terminal-tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--hairline)}
.terminal-tabs button{padding:12px 16px;font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey);border-right:1px solid var(--hairline);transition:color .3s var(--ease-p2),background .3s var(--ease-p2)}
.terminal-tabs button:hover{color:var(--light);background:rgba(255,255,255,.04)}
.terminal-tabs button.is-active{color:var(--dark);background:var(--light)}
.terminal-body{padding:16px}
.terminal-pane{display:none}
.terminal-pane.is-active{display:block}
.terminal-pane .cmd{font-family:var(--mono);font-size:clamp(11.5px,.9vw,13.5px);line-height:1.75;color:#e6e6e6;white-space:pre-wrap;word-break:break-word;margin:0}
.terminal-pane .cmd .k{color:var(--grey)}
.terminal-pane .cmd .s{color:#9fb0f5}
.terminal-pane .cmd .c{color:var(--grey-deep)}
.terminal-pane .cmd .fn{color:var(--flash)}
.terminal-foot{display:flex;justify-content:space-between;gap:var(--grid-gutter);align-items:center;border-top:1px solid var(--hairline);padding-top:12px;margin-top:14px}
.terminal-foot .legal-text{margin:0}
.copy-button{display:inline-flex;align-items:center;gap:8px;min-height:30px;padding:6px 14px;background:var(--pill);border-radius:var(--radius);font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--light);transition:background .35s var(--ease-p2)}
.copy-button:hover{background:var(--pill-hover)}
.copy-button svg{width:12px;height:12px}
.toast-notice{position:fixed;left:50%;bottom:32px;z-index:9500;display:flex;align-items:center;gap:10px;transform:translate(-50%,16px);opacity:0;visibility:hidden;padding:10px 18px;background:var(--pill);border:1px solid var(--hairline);border-radius:var(--radius);font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--light);transition:opacity .4s var(--ease-p2),transform .4s var(--ease-p2),visibility .4s;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.toast-notice.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0)}
.toast-notice svg{width:14px;height:14px;color:var(--flash)}

/* ==========================================================================
   FOOTER — the reference inverts to a white block at the end
   ========================================================================== */
.footer-section{position:relative;background:var(--light);color:var(--dark);padding-bottom:var(--space-1)}
.letterform-mask{width:100%;height:clamp(150px,25vw,320px);display:block;color:var(--light);overflow:hidden}
.letterform-mask svg{width:100%;height:100%}
.is-footer{padding-top:var(--space-2)}
.is-footer .footer-col-a{grid-column:1/7;display:flex;flex-direction:column;gap:var(--gap-micro)}
.is-footer .footer-col-b{grid-column:7/13;display:flex;flex-direction:column;gap:var(--gap-micro);align-items:flex-start}
.footer-heading{font-family:var(--display);font-weight:400;font-size:var(--t-footer);line-height:var(--lh-footer);letter-spacing:var(--ls-footer);max-width:14ch}
.is-footer p.gradient-text{font-family:var(--mono);font-size:clamp(12px,1.625vw,20.8px);line-height:1.4;letter-spacing:-.01em;max-width:38ch}
.legal-row{display:flex;flex-wrap:wrap;gap:var(--gap-wide);padding:var(--space-2) var(--grid-margin) 0;justify-content:space-between}
.legal-column{display:grid;gap:8px;min-width:min(220px,40%)}
.legal-column h4{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--dark);font-weight:400}
.legal-column a,.legal-column p{font-family:var(--mono);font-size:var(--t-micro);line-height:1.9;letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey-legal)}
.legal-column a:hover{color:var(--dark)}
.footer-meta{display:flex;flex-wrap:wrap;gap:var(--grid-gutter);justify-content:space-between;padding:var(--space-2) var(--grid-margin) 0;border-top:1px solid rgba(0,0,0,.14);margin-top:var(--space-2)}
.footer-meta span{font-family:var(--mono);font-size:var(--t-micro);letter-spacing:var(--ls-micro);text-transform:uppercase;color:var(--grey-legal)}
.scroll-progress{position:fixed;right:24px;top:50%;z-index:700;display:flex;align-items:center;gap:10px;transform:translateY(-50%);writing-mode:vertical-rl;color:rgba(255,255,255,.46);font:10px/1 var(--mono);letter-spacing:.12em;pointer-events:none}
.scroll-progress::before{content:"";display:block;width:1px;height:72px;background:rgba(255,255,255,.16)}
.scroll-progress span{position:absolute;right:28px;bottom:0;width:1px;height:0;background:var(--flash);transform-origin:bottom;transition:height .18s ease}
.scroll-progress b{font-weight:400;white-space:nowrap}
.scene-media{transform:translate3d(0,var(--scene-y,0px),0) scale(1.08);transition:transform 1.2s var(--ease-smooth),filter 1.2s ease}
.scene-ready .section-intro{opacity:0;transform:translateY(42px);transition:opacity .9s var(--ease-p3),transform 1.1s var(--ease-p3)}
.scene-active .section-intro{opacity:1;transform:none}
.industry-section .is-industry .list-row{opacity:0;transform:translate3d(80px,16px,0);transition:opacity .75s var(--ease-p3),transform .9s var(--ease-p3)}
.industry-section.scene-active .is-industry .list-row{opacity:1;transform:none}
.industry-section.scene-active .is-industry .list-row:nth-child(1){transition-delay:.05s}.industry-section.scene-active .is-industry .list-row:nth-child(2){transition-delay:.1s}.industry-section.scene-active .is-industry .list-row:nth-child(3){transition-delay:.15s}.industry-section.scene-active .is-industry .list-row:nth-child(4){transition-delay:.2s}.industry-section.scene-active .is-industry .list-row:nth-child(5){transition-delay:.25s}.industry-section.scene-active .is-industry .list-row:nth-child(6){transition-delay:.3s}.industry-section.scene-active .is-industry .list-row:nth-child(7){transition-delay:.35s}.industry-section.scene-active .is-industry .list-row:nth-child(8){transition-delay:.4s}
.process-media{clip-path:inset(0 14% 0 14%);opacity:.4;transition:clip-path 1.25s var(--ease-p3),opacity 1s ease}
.process-section.scene-active .process-media{clip-path:inset(0);opacity:1}
.steps-container .icon-column{opacity:0;transform:translateY(42px);transition:opacity .8s var(--ease-p3),transform .9s var(--ease-p3)}
.process-section.scene-active .steps-container .icon-column{opacity:1;transform:none}
.stats-section .stat-number-wrap{transform:scale(.78);opacity:.35;transition:transform 1.2s var(--ease-p3),opacity 1s ease}
.stats-section.scene-active .stat-number-wrap{transform:scale(1);opacity:1}
.benefits-section{min-height:125vh}
.benefits-inner{min-height:78vh;align-items:flex-start;padding-top:8vh}
.benefits-section .benefits-left,.benefits-section .benefits-right{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease-p3),transform 1s var(--ease-p3)}
.benefits-section.scene-active .benefits-left,.benefits-section.scene-active .benefits-right{opacity:1;transform:none}
.compare-slide.is-scroll-active{opacity:1;visibility:visible;transform:none}
.letter-section .letter-inner{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease-p3),transform 1.1s var(--ease-p3)}
.letter-section.scene-active .letter-inner{opacity:1;transform:none}

/* Cinematic chapter scenes */
.chapter-scene{position:relative}
.chapter-scene.is-pinned{min-height:360vh}
.chapter-scene.is-pinned>.section-intro{position:relative;z-index:5}
.chapter-scene.is-pinned .workflow-stage,
.chapter-scene.is-pinned .benefits-stage{position:sticky;top:0;height:100svh;min-height:640px;overflow:hidden}
.workflow-stage{position:relative}
.workflow-stage .offlimits-wrap{position:relative;z-index:5;padding:5vh var(--grid-margin) 2vh}
.workflow-stage .offlimits-text{font-size:clamp(42px,6.8vw,96px);line-height:1.05;max-width:8ch}
.workflow-stage .process-media{position:absolute;inset:0;margin:0;max-height:none;width:100%;height:100%;aspect-ratio:auto;clip-path:none!important;opacity:.7!important}
.workflow-stage .process-media::after{content:"";position:absolute;inset:10% 4%;border:1px solid rgba(255,255,255,.18);clip-path:polygon(0 0,3% 0,3% 1px,97% 1px,97% 0,100% 0,100% 3%,calc(100% - 1px) 3%,calc(100% - 1px) 97%,100% 97%,100% 100%,97% 100%,97% calc(100% - 1px),3% calc(100% - 1px),3% 100%,0 100%,0 97%,1px 97%,1px 3%,0 3%);animation:frame-breathe 5s ease-in-out infinite}
.workflow-stage .process-media::before{content:"LIVE / EVIDENCE STREAM";position:absolute;z-index:2;top:12%;right:7%;color:rgba(255,255,255,.62);font:10px/1 var(--mono);letter-spacing:.18em}
@keyframes frame-breathe{50%{opacity:.35;transform:scale(.985)}}
.workflow-stage .steps-container{position:absolute;z-index:6;left:0;right:0;bottom:4vh;padding:0 var(--grid-margin);display:block}
.workflow-stage .steps-heading{padding:0;display:flex;align-items:flex-start;text-align:left;width:fit-content;margin-left:auto;margin-right:7vw}
.workflow-stage .steps-heading .subheading{color:var(--grey)}
.workflow-stage .workflow-count{font:12px/1 var(--mono);letter-spacing:.16em;color:var(--flash)}
.workflow-stage .workflow-count span{color:var(--grey)}
.workflow-stage .steps-row{display:block}
.workflow-stage .icon-column{position:absolute;right:7vw;bottom:0;width:min(520px,42vw);opacity:0!important;transform:translateY(36px)!important;pointer-events:none;transition:opacity .7s var(--ease-p3),transform .8s var(--ease-p3)}
.workflow-stage .icon-column.is-active{opacity:1!important;transform:none!important;pointer-events:auto}
.workflow-chapters{position:absolute;z-index:8;left:var(--grid-margin);right:var(--grid-margin);bottom:5vh;display:flex;gap:26px;border-top:1px solid rgba(255,255,255,.2);padding-top:12px}
.workflow-chapters button{flex:1;text-align:left;color:rgba(255,255,255,.42);font:11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;transition:color .3s ease}
.workflow-chapters button span{display:block;font-size:10px;margin-bottom:8px}
.workflow-chapters button[aria-pressed="true"]{color:#fff}
.workflow-chapters button[aria-pressed="true"] span{color:var(--flash)}
.benefits-stage{position:relative}
.benefits-media{position:absolute;inset:0;overflow:hidden;opacity:.34;pointer-events:none}
.benefits-media video{width:100%;height:100%;object-fit:cover;filter:brightness(.5) saturate(.7);transform:scale(1.08)}
.benefits-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#000 0%,rgba(0,0,0,.72) 42%,rgba(0,0,0,.28) 100%)}
.benefits-stage .benefits-inner{position:relative;z-index:3}
.benefits-section.is-pinned .benefits-inner{height:100%;min-height:100%;padding-top:12vh;padding-bottom:12vh}
.benefits-section.is-pinned .benefits-left{align-items:flex-start;padding-top:12vh}
.benefits-section.is-pinned .benefits-right{padding-top:12vh}
.benefits-section.is-pinned .benefits-box{background:rgba(0,0,0,.42);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:28px}
.benefits-section.is-pinned .benefits-title-wrap .heading-4{font-size:clamp(44px,5.8vw,88px);line-height:1.02;max-width:8ch}
.comparison-panel{display:grid;gap:14px;padding:12px 0 28px}
.comparison-brand{font:10px/1 var(--mono);letter-spacing:.14em;color:var(--flash);text-transform:uppercase}
.comparison-panel h4{font:400 clamp(28px,3.2vw,52px)/1.08 var(--display);max-width:18ch}
.comparison-panel p{font:300 clamp(18px,1.8vw,28px)/1.28 var(--display);color:#d4d4d4;max-width:30ch}
.comparison-old{border-top:1px solid rgba(255,255,255,.2);padding-top:24px;opacity:.55}
.comparison-old h4{font-size:clamp(20px,2.2vw,32px)}
.comparison-old p{font-size:clamp(16px,1.4vw,22px);color:#888}
.benefits-section.is-pinned .compare-slide{gap:0}

/* ==========================================================================
   REFERENCE MOTION: in-view word/char reveals + blinking stagger
   ========================================================================== */
.js .reveal{opacity:1;transform:translateY(18px);transition:opacity .9s var(--ease-p2),transform .9s var(--ease-p2)}
.js .reveal.is-inview{opacity:1;transform:none}
.js .reveal-word .word{display:inline-block;white-space:pre;opacity:1;transform:none}
.js .reveal-word.is-inview .word{animation:color-blink-in .55s var(--ease-p2) forwards;animation-delay:calc(var(--wi,0) * 55ms)}
@keyframes color-blink-in{
  0%{opacity:1;transform:translateY(.18em)}
  40%{opacity:1;color:var(--flash)}
  100%{opacity:1;transform:none;color:inherit}
}
.js .reveal-line{transform:scaleX(0);transform-origin:left center;transition:transform 1.1s var(--ease-smooth)}
.js .reveal-line.is-inview{transform:scaleX(1)}
.js .nav-bar,.js .hero-subline,.js .hero-actions,.js .hero-scroll{opacity:0}
.js body.is-ready .nav-bar{animation:move-in 1.2s var(--ease-p2) .35s both}
.js body.is-ready .hero-subline{animation:move-in 1.2s var(--ease-p2) .55s both}
.js body.is-ready .hero-actions{animation:move-in 1.2s var(--ease-p2) .8s both}
.js body.is-ready .hero-scroll{animation:fade-in 1.4s var(--ease-p2) 1.2s both}
.js body.is-ready .nav-wrapper{animation:fade-in 1.4s var(--ease-p2) .8s both}
.js body.is-plain .nav-bar,.js body.is-plain .hero-subline,.js body.is-plain .hero-actions,.js body.is-plain .hero-scroll,.js body.is-plain .nav-wrapper{opacity:1;animation:none}
@keyframes move-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes fade-in{from{opacity:0}to{opacity:1}}

/* ==========================================================================
   RESPONSIVE — the reference drops to a 6-column grid below 991px
   ========================================================================== */
@media (max-width:991px){
  :root{--grid-cols:6}
  .global-grid>*,.micro-row>*{grid-column:span 6!important}
  .intro-title-contain{padding:var(--space-1) 0 var(--space-3)}
  .intro-body,.intro-rules{grid-column:1/-1;padding-bottom:var(--space-3)}
  .protection-grid{min-height:0}
  .protection-left,.protection-right{grid-column:1/-1}
  .protection-right{padding-top:var(--gap-micro);gap:var(--space-2)}
  .protection-vid-container{position:relative;width:100%;padding-top:0;margin-top:var(--space-2)}
  .intro-vid{position:relative;right:auto;bottom:auto;width:calc(100% + var(--grid-margin) * 2);margin:var(--space-2) calc(var(--grid-margin) * -1) 0}
  .role-index{grid-template-columns:repeat(2,1fr);padding-top:var(--space-1)}
  .is-industry .list-row,.is-industry .list-row:nth-child(n){grid-column:1/-1;justify-content:flex-start}
  .is-industry .heading-3{white-space:normal;text-align:left;font-size:clamp(30px,8vw,52px)}
  .is-industry{row-gap:0}
  .stats-container{grid-template-columns:1fr;gap:var(--space-2)}
  .stat-half+.stat-half{border-left:0;border-top:1px solid var(--hairline);padding-top:var(--space-2)}
  .steps-row{grid-template-columns:repeat(2,1fr);gap:var(--gap-micro)}
  .steps-heading{grid-column:1/-1}
  .benefits-inner{flex-direction:column;gap:var(--space-1)}
  .benefits-left,.benefits-right{width:100%;flex:0 0 100%}
  .benefits-right{position:static;padding-left:0}
  .letter-container{grid-column:1/-1}
  .is-footer .footer-col-a,.is-footer .footer-col-b{grid-column:1/-1}
  .micro-strip .micro-text{grid-column:span 3}
  .micro-strip .micro-text:nth-child(n+3){display:none}
}
@media (max-width:767px){
  .nav-wrapper{padding:var(--gap-micro)}
  .nav-logo-side{display:none}
  .nav-center{display:flex;position:absolute;left:50%;top:var(--gap-micro);transform:translateX(-50%)}
  .nav-logo{gap:7px;white-space:nowrap}
  .nav-logo svg{width:20px;height:20px}
  .nav-logo .wordmark{font-size:14px}
  .nav-end{position:absolute;top:var(--gap-micro);right:var(--gap-micro)}
  .nav-end .icon-button{display:none}
  .mobile-toggle{display:flex}
  .nav-bar{display:none}
  .hero-container{padding-top:88px}
  .hero-flex{padding-top:var(--gap-micro)}
  .steps-row{grid-template-columns:1fr}
  .compare-list li{grid-template-columns:1fr}
  .compare-list li b{display:none}
  .legal-row{gap:var(--gap-micro)}
  .letterform-mask{height:clamp(150px,30vw,240px)}
  .hero-section .hero-mask{background:linear-gradient(180deg,rgba(0,0,0,.66) 0,rgba(0,0,0,.18) 38%,rgba(0,0,0,.76) 100%),radial-gradient(ellipse at center,rgba(0,0,0,.14) 12%,rgba(0,0,0,.56) 100%)}
  .hero-container{gap:22px;padding-top:104px;padding-bottom:20px}
  .hero-actions{max-width:290px}
}

/* active model emphasis is applied after the scene reveal rule */
.industry-section.scene-active .is-industry .list-row:not(.is-active){opacity:.42;transform:none}
.industry-section.scene-active .is-industry .list-row.is-active{opacity:1;transform:translateX(-18px)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .js .reveal,.js .reveal-word .word{opacity:1!important;transform:none!important}
  .js .reveal-line{transform:scaleX(1)!important}
  .js .nav-bar,.js .hero-subline,.js .hero-actions,.js .hero-scroll,.js .nav-wrapper{opacity:1!important;animation:none!important}
  .marquee-track{animation:none!important}
}

/* --- short viewports: tighten the hero rhythm, never shrink the film --- */
@media (max-height:680px){
  .hero-container{gap:clamp(14px,2.4vh,22px)}
  .heading-width{max-width:min(400px,84vw)}
  .hero-scroll{display:none}
}

/* Final reference alignment: the sample uses a narrow, two-line editorial hero,
   wide section gutters, and media that sits behind the copy instead of covering it. */
.hero-section{min-height:100svh;height:100vh;padding:0 var(--grid-margin) var(--space-1)}
h1.hero-title{width:min(760px,88vw);max-width:760px;font-size:clamp(52px,6.3vw,92px);line-height:1.1;text-align:center}
.hero-container{gap:clamp(22px,3vw,42px);padding-top:min(112px,15vh)}
.hero-flex{gap:clamp(18px,2.2vw,30px)}
.hero-section>.full-video{z-index:0}
.hero-section .hero-mask{z-index:1}
.hero-container,.nav-wrapper{z-index:4}
.intro-section{padding-top:var(--space-1);overflow:hidden}
.intro-section>.intro-vid{z-index:1;opacity:.92}
.intro-title-contain,.intro-body,.intro-rules{position:relative;z-index:4}
.intro-title-contain .display{max-width:1080px;font-size:clamp(44px,6vw,86px);line-height:1.16}
.intro-title-contain{padding-top:clamp(96px,13vw,190px);padding-bottom:clamp(160px,22vw,320px)}
.intro-body{max-width:440px}
.intro-rules{padding-top:clamp(80px,12vw,160px)}
.intro-vid .full-video,.protection-vid-container .full-video{z-index:0}
.intro-vid .gradient-overlay,.protection-vid-container .gradient-overlay{z-index:1;position:absolute;inset:0}
.protection-section{overflow:hidden}
.protection-grid{position:relative;z-index:4}
.protection-vid-container{z-index:1;margin-top:0;opacity:.82}
.protection-left,.protection-right,.role-index{position:relative;z-index:4}
.role-index{background:linear-gradient(180deg,transparent,rgba(0,0,0,.42));padding-bottom:12px}
.swap{width:100%;overflow:visible}
.swap-word{overflow-wrap:normal;word-break:normal}
.section{overflow:clip}
.industry-section{min-height:940px}
.industry-vid{opacity:.78}
.stats-section{padding-top:clamp(120px,16vw,240px)}
.process-section{padding-top:clamp(120px,18vw,260px)}
.benefits-section{padding-top:clamp(120px,16vw,240px)}
.letter-section{min-height:900px}

@media (max-width:991px){
  h1.hero-title{width:min(650px,90vw);font-size:clamp(44px,9vw,76px)}
  .intro-title-contain .display{max-width:100%;font-size:clamp(40px,8vw,68px)}
  .intro-rules{grid-template-columns:1fr;gap:24px}
  .intro-vid{position:relative;right:auto;bottom:auto;width:calc(100% + var(--grid-margin) * 2);margin:var(--space-2) calc(var(--grid-margin) * -1) 0;z-index:1!important}
  .protection-vid-container{position:relative;left:auto;bottom:auto;width:100%;padding-top:0;margin-top:24px}
}
@media (max-width:767px){
  .hero-section{min-height:100svh;height:100svh}
  h1.hero-title{font-size:clamp(43px,11vw,60px);line-height:1.14}
  .hero-container{padding-top:112px;gap:22px}
  .intro-title-contain .display{font-size:clamp(36px,10vw,54px);line-height:1.2}
  .intro-body{padding-bottom:48px}
  .intro-rules{padding:32px 0 64px}
  .scroll-progress{right:10px}
  .scroll-progress::before{height:44px}
  .hero-section::after{left:3%;right:3%;bottom:16%}
  .industry-section{min-height:720px}
  .letter-section{min-height:720px}
  .chapter-scene.is-pinned{min-height:0}
  .chapter-scene.is-pinned .workflow-stage,.chapter-scene.is-pinned .benefits-stage{position:relative;height:auto;min-height:720px;overflow:visible}
  .workflow-stage .process-media{position:absolute}
  .workflow-stage .offlimits-wrap{padding:56px var(--grid-margin)}
  .workflow-stage .steps-container{position:relative;bottom:auto;padding:0 var(--grid-margin) 120px}
  .workflow-stage .steps-heading{margin:0;padding:24px 0}
  .workflow-stage .icon-column{position:relative;right:auto;bottom:auto;width:100%;margin-top:24px}
  .workflow-chapters{position:relative;left:auto;right:auto;bottom:auto;margin:0 var(--grid-margin) 32px;flex-wrap:wrap}
  .workflow-chapters button{flex-basis:42%}
  .benefits-section.is-pinned .benefits-inner{height:auto;min-height:0;padding-top:0;padding-bottom:64px}
  .benefits-section.is-pinned .benefits-left,.benefits-section.is-pinned .benefits-right{padding-top:24px}
  .benefits-section.is-pinned .benefits-title-wrap .heading-4{font-size:48px}
  .benefits-section.is-pinned .benefits-box{padding:18px}
}

/* Workflow layout pass: keep the editorial title, active detail and chapter rail
   in separate rows so the sticky scene stays legible while it scrubs. */
.workflow-stage{
  box-sizing:border-box;
  display:grid;
  grid-template-rows:auto minmax(0,1fr) auto;
  gap:clamp(18px,2.4vh,30px);
  min-height:100svh;
  height:100%;
  padding:clamp(34px,5vh,64px) var(--grid-margin) clamp(24px,4vh,48px);
}
.workflow-stage .offlimits-wrap{
  position:relative;
  z-index:5;
  width:min(100%,900px);
  padding:0;
  text-align:left;
}
.workflow-stage .offlimits-text{
  max-width:none;
  margin:0;
  font-size:72px;
  line-height:1.06;
  letter-spacing:0;
}
.workflow-stage .process-media{
  z-index:0;
  opacity:.7!important;
}
.workflow-stage .steps-container{
  position:relative;
  z-index:6;
  left:auto;
  right:auto;
  bottom:auto;
  display:grid;
  grid-template-columns:minmax(150px,.72fr) minmax(0,1.28fr);
  align-items:end;
  gap:clamp(20px,4vw,72px);
  min-height:0;
  padding:0;
}
.workflow-stage .steps-heading{
  grid-column:1;
  align-self:start;
  width:auto;
  margin:0;
  padding:4px 0 0;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
  text-align:left;
}
.workflow-stage .workflow-count{
  font-size:13px;
  letter-spacing:.12em;
}
.workflow-stage .steps-row{
  grid-column:2;
  display:grid;
  grid-template-areas:"step";
  align-items:end;
  min-height:252px;
  width:100%;
}
.workflow-stage .icon-column{
  position:static;
  right:auto;
  bottom:auto;
  grid-area:step;
  width:auto;
  min-width:0;
  align-self:end;
  opacity:0!important;
  visibility:hidden;
  transform:translateY(24px)!important;
  pointer-events:none;
  transition:opacity .55s var(--ease-p3),transform .7s var(--ease-p3),visibility 0s linear .7s;
}
.workflow-stage .icon-column.is-active{
  opacity:1!important;
  visibility:visible;
  transform:none!important;
  pointer-events:auto;
  transition-delay:0s;
}
.workflow-stage .icon-column h3{
  max-width:20ch;
  font-size:34px;
  line-height:1.12;
  letter-spacing:0;
}
.workflow-stage .icon-column p{
  max-width:46ch;
  font-size:14px;
  line-height:1.55;
  letter-spacing:0;
}
.workflow-chapters{
  position:relative;
  z-index:8;
  left:auto;
  right:auto;
  bottom:auto;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(12px,2vw,28px);
  width:100%;
  margin:0;
  padding:12px 0 0;
  border-top:1px solid rgba(255,255,255,.24);
}
.workflow-chapters button{
  min-height:44px;
  padding:0;
  text-align:left;
  color:rgba(255,255,255,.42);
  font-size:11px;
  line-height:1.4;
  letter-spacing:.08em;
}
.workflow-chapters button span{margin-bottom:6px}

@media (max-width:1199px) and (min-width:768px){
  .workflow-stage .offlimits-text{font-size:58px;max-width:16ch}
  .workflow-stage .icon-column h3{font-size:29px}
  .workflow-stage .steps-container{gap:28px}
}

@media (max-width:767px){
  .workflow-stage{
    display:block;
    min-height:0;
    height:auto;
    padding:64px var(--grid-margin) 32px;
  }
  .workflow-stage .offlimits-wrap{width:100%;padding:0}
  .workflow-stage .offlimits-text{
    max-width:100%;
    font-size:40px;
    line-height:1.1;
  }
  .workflow-stage .steps-container{
    display:block;
    padding:0;
    margin-top:56px;
  }
  .workflow-stage .steps-heading{
    padding:0 0 20px;
    gap:8px;
  }
  .workflow-stage .steps-row{
    display:grid;
    grid-template-areas:"step";
    min-height:286px;
  }
  .workflow-stage .icon-column{
    position:static;
    width:auto;
    margin:0;
    align-self:start;
  }
  .workflow-stage .icon-column h3{font-size:28px;line-height:1.14}
  .workflow-stage .icon-column p{font-size:13px;line-height:1.55;max-width:34ch}
  .workflow-chapters{
    position:relative;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:12px 18px;
    margin:42px 0 0;
    padding-top:12px;
  }
  .workflow-chapters button{min-height:48px}
}

@media (prefers-reduced-motion:reduce){
  .workflow-stage .icon-column{transition:none!important;transform:none!important}
}