/* ==========================================================================
   Perry Offer, value creation operator
   Build specification v1.0, section 2 tokens.
   Container driven. No media queries anywhere in this file, by contract.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Fonts, self hosted. Archivo and Newsreader only.
   -------------------------------------------------------------------------- */
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 700;font-stretch:100%;font-display:swap;src:url("../fonts/archivo-latin.woff2") format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 700;font-stretch:100%;font-display:swap;src:url("../fonts/archivo-latin-ext.woff2") format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 700;font-stretch:100%;font-display:swap;src:url("../fonts/archivo-vietnamese.woff2") format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:300 500;font-display:swap;src:url("../fonts/newsreader-latin.woff2") format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:300 500;font-display:swap;src:url("../fonts/newsreader-latin-ext.woff2") format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Newsreader';font-style:normal;font-weight:300 500;font-display:swap;src:url("../fonts/newsreader-vietnamese.woff2") format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:300 500;font-display:swap;src:url("../fonts/newsreader-italic-latin.woff2") format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:300 500;font-display:swap;src:url("../fonts/newsreader-italic-latin-ext.woff2") format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Newsreader';font-style:italic;font-weight:300 500;font-display:swap;src:url("../fonts/newsreader-italic-vietnamese.woff2") format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;}

/* --------------------------------------------------------------------------
   Tokens. Specification section 2. Nothing outside this block is a colour.
   -------------------------------------------------------------------------- */
:root{
  /* Colour */
  --ink:#0B0B0C;
  --red:#C8102E;
  --red-pressed:#93061F;
  --red-on-dark:#FF8A9B;
  --red-on-dark-soft:#FFA0AE;
  --red-on-dark-strong:#FF6B80;
  --white:#ffffff;
  --navy-1:#1B4198;
  --navy-2:#15357E;
  --navy-3:#0C1E4A;
  --navy:linear-gradient(158deg,var(--navy-1) 0%,var(--navy-2) 46%,var(--navy-3) 100%);
  --grey-700:#3A424C;
  --grey-500:#5C6570;
  /* Greys on dark grounds */
  --on-dark-1:#E2E7EE;
  --on-dark-2:#D3D9E1;
  --on-dark-3:#C9D1DB;
  --on-dark-4:#C4D0E0;
  --on-dark-5:#C0CBDD;
  --on-dark-6:#B9C6D8;
  --on-dark-7:#B9C1CC;
  --on-dark-8:#9FB0C6;
  --on-dark-9:#98A4B4;
  --on-dark-10:#9AA5B3;
  --on-dark-11:#8E99A7;
  --on-dark-12:#8FA3BF;
  /* Hairlines */
  --line:#E5E7EA;
  --line-strong:#DCDFE3;
  --line-dot:#C9CDD3;
  --line-dark-1:rgba(255,255,255,.14);
  --line-dark-2:rgba(255,255,255,.18);
  --line-dark-3:rgba(255,255,255,.22);
  --line-dark-4:rgba(255,255,255,.30);
  --off-white:#F6F7F8;

  /* Space and shape */
  --container:1280px;
  --gutter:clamp(20px,2.4vw,32px);
  --pad-section:clamp(48px,7vw,88px);
  --pad-compact:clamp(38px,5vw,62px);
  --pad-strip:clamp(26px,3.4vw,38px);
  --r-card:2px;
  --r-pill:100px;
  --r-chevron:5px;

  /* Shadow, only two exist */
  --shadow-card:0 18px 38px rgba(11,11,12,.10);
  --shadow-card-navy:0 18px 38px rgba(12,30,74,.26);
  --shadow-nav:0 8px 24px rgba(11,11,12,.08);
  --shadow-btn:0 16px 34px rgba(0,0,0,.4);

  /* Motion */
  --move:cubic-bezier(.2,.7,.2,1);
  --t-interaction:.25s;
  --t-move:.3s;
  --t-nav:.4s;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:Archivo,Helvetica,Arial,sans-serif;font-size:16px;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--red);text-decoration:none;}
a:hover{color:var(--red-pressed);}
button{font-family:inherit;}
:where(button,a,[tabindex]):focus-visible{outline:2px solid var(--red);outline-offset:3px;}
h1,h2,h3,h4{margin:0;font-weight:400;}
::selection{background:var(--red);color:var(--white);}

.page{width:100%;overflow-x:clip;}
.container{max-width:var(--container);margin:0 auto;padding-inline:var(--gutter);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* Anchor targets clear the fixed header */
[id]{scroll-margin-top:92px;}

/* Serif display face, used for every heading and every figure */
.dsp{font-family:Newsreader,Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.025em;}
.dsp-light{font-family:Newsreader,Georgia,'Times New Roman',serif;font-weight:300;letter-spacing:-.03em;}
.num{font-variant-numeric:tabular-nums;}

/* Extends a small control to a 44px tap target without moving the layout */
.hit{position:relative;}
.hit::after{content:"";position:absolute;left:0;right:0;top:50%;height:44px;transform:translateY(-50%);}

/* Section header pattern, specification section 3 */
.pill{
  display:inline-block;background:var(--red);color:var(--white);
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;font-weight:700;
  padding:8px 16px;border-radius:var(--r-pill);
}
.pill-ink{background:var(--ink);}
.label{font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--grey-500);}
.label-dark{color:var(--on-dark-5);}
.instruction{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--grey-500);font-weight:700;}
.h2{font-size:clamp(28px,4.2vw,44px);line-height:1.06;text-wrap:balance;}
.h2-light{font-size:clamp(28px,4.4vw,48px);line-height:1.04;text-wrap:balance;}
.h2-sm{font-size:clamp(24px,3.4vw,38px);line-height:1.06;text-wrap:balance;}
.head-row{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;}

@keyframes rise{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

/* --------------------------------------------------------------------------
   01 Scroll progress and sticky header
   -------------------------------------------------------------------------- */
.progress{position:fixed;top:0;left:0;height:2px;background:var(--red);z-index:60;width:0;transition:width .08s linear;}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background-color:rgba(11,11,12,0);
  -webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line-dark-1);box-shadow:none;
  transition:background-color var(--t-nav) ease,border-color var(--t-nav) ease,box-shadow var(--t-nav) ease;
}
.nav.is-scrolled{background-color:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--shadow-nav);}
/* The row holds the wordmark, the two anchors and the call to action on one
   line at every width it physically can. Below that it wraps rather than clip
   the call to action, which is the page's primary conversion route. */
.nav{container-type:inline-size;container-name:navbar;}
.nav__inner{max-width:var(--container);margin:0 auto;padding:clamp(10px,1.6vw,15px) var(--gutter);display:flex;flex-wrap:wrap;align-items:center;gap:10px clamp(12px,2.4vw,24px);}
.nav__mark{display:flex;align-items:center;gap:11px;margin-right:auto;color:var(--white);transition:color var(--t-nav) ease;}
.nav.is-scrolled .nav__mark{color:var(--ink);}
.nav__mark:hover{color:inherit;}
.nav__word{font-size:clamp(15px,2.4vw,17px);font-weight:700;letter-spacing:.11em;text-transform:uppercase;white-space:nowrap;}
.nav__dot{width:5px;height:5px;background:var(--red);border-radius:50%;display:inline-block;flex:none;}
.nav__tag{font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:rgba(255,255,255,.62);transition:color var(--t-nav) ease;}
.nav.is-scrolled .nav__tag{color:var(--grey-500);}
.nav__links{display:flex;flex-wrap:wrap;align-items:center;gap:8px clamp(12px,2.4vw,24px);}
.nav__cta{flex:none;}
.nav__link{white-space:nowrap;}
.nav__cta{white-space:nowrap;}
/* Container driven, not a viewport breakpoint: the descriptor beside the
   wordmark yields its space to the navigation before anything else does. */
@container navbar (max-width: 739px){
  .nav__tag{display:none;}
}
.nav__link{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--white);transition:color var(--t-move) ease;}
.nav.is-scrolled .nav__link{color:var(--ink);}
.nav__link:hover,.nav.is-scrolled .nav__link:hover{color:var(--red);}
.nav__cta{
  font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--white);background:var(--red);padding:11px 18px;border-radius:var(--r-card);
  transition:background var(--t-interaction) ease,transform var(--t-interaction) ease;
}
.nav__cta:hover{background:var(--ink);color:var(--white);transform:translateY(-1px);}

/* --------------------------------------------------------------------------
   Buttons, specification section 5
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;border-radius:var(--r-card);
  font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:17px 28px;
}
.btn__chev{
  display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;
  border:1px solid currentColor;border-radius:var(--r-chevron);font-size:12px;line-height:1;padding-left:1px;
}
.btn-primary{background:var(--red);color:var(--white);transition:background var(--t-interaction) ease,color var(--t-interaction) ease,transform var(--t-interaction) ease,box-shadow var(--t-interaction) ease;}
.btn-primary:hover{background:var(--white);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-btn);}
.btn-secondary{color:var(--white);border:1px solid var(--line-dark-4);transition:border-color var(--t-interaction) ease,background var(--t-interaction) ease;}
.btn-secondary:hover{border-color:var(--white);background:rgba(255,255,255,.1);color:var(--white);}

/* Static chips. Hover styling only, never pressable. */
.chip{
  display:inline-block;font-size:12px;font-weight:600;color:var(--ink);
  border:1px solid var(--line-strong);background:var(--white);padding:7px 13px;border-radius:var(--r-pill);
}
.chip-strip{
  font-size:13px;font-weight:600;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 16px;color:var(--grey-700);background:none;
  transition:border-color var(--t-interaction) ease,color var(--t-interaction) ease;
}
.chip-strip:hover{border-color:var(--red);color:var(--red);}
.chip-dark{
  font-size:13px;font-weight:600;color:var(--white);border:1px solid var(--line-dark-4);
  border-radius:var(--r-pill);padding:6px 12px;
  transition:border-color var(--t-interaction) ease,background-color var(--t-interaction) ease;
}
.chip-dark:hover{border-color:var(--red);background-color:rgba(200,16,46,.22);}
.chip-title{
  font-size:11.5px;font-weight:600;letter-spacing:.04em;color:var(--on-dark-1);
  border:1px solid rgba(255,255,255,.26);padding:8px 14px;border-radius:var(--r-pill);
  transition:border-color var(--t-interaction) ease,color var(--t-interaction) ease;
}
.chip-title:hover{border-color:var(--red);color:var(--white);}

/* Selector tabs. Click only. Active state is the only solid fill in its row. */
.tab{cursor:pointer;font-size:12.5px;font-weight:600;padding:10px 18px;border-radius:var(--r-pill);transition:background-color var(--t-interaction) ease,color var(--t-interaction) ease,border-color var(--t-interaction) ease,transform var(--t-interaction) ease;}
.tab:hover{transform:translateY(-2px);}
.tab-dark{border:1px solid var(--line-dark-4);background-color:rgba(255,255,255,.08);color:var(--white);}
.tab-dark[aria-selected="true"]{background-color:var(--red);border-color:var(--red);color:var(--white);}
.tab-light{padding:11px 18px;border:1px solid var(--line-strong);background-color:var(--white);color:var(--grey-700);}
.tab-light[aria-selected="true"]{background-color:var(--ink);border-color:var(--ink);color:var(--white);}

/* --------------------------------------------------------------------------
   02 Hero
   -------------------------------------------------------------------------- */
.hero{position:relative;min-height:min(86svh,830px);display:flex;align-items:center;background:var(--ink);overflow:hidden;}
.hero__glow{position:absolute;inset:0;background:radial-gradient(120% 90% at 78% 20%,rgba(21,53,126,.55) 0%,rgba(11,11,12,0) 60%);}
.hero__inner{
  position:relative;width:100%;max-width:var(--container);margin:0 auto;
  padding:96px var(--gutter) clamp(44px,6vw,76px);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:clamp(28px,4vw,56px);align-items:center;
}
.hero__pill{margin-bottom:clamp(18px,2.6vw,24px);animation:rise .9s .1s var(--move) both;}
.hero__h1{
  font-size:clamp(36px,5.2vw,62px);line-height:1.03;letter-spacing:-.03em;
  margin:0 0 clamp(18px,2.6vw,26px);color:var(--white);max-width:16ch;text-wrap:balance;
  animation:rise 1s .2s var(--move) both;
}
.hero__h1 em{font-style:italic;color:var(--red);}
.hero__lead{font-size:clamp(15px,2vw,17px);line-height:1.62;color:var(--on-dark-3);margin:0 0 18px;max-width:52ch;text-wrap:pretty;animation:rise 1s .34s var(--move) both;}
.hero__sub{font-size:clamp(15px,2vw,17px);line-height:1.62;color:var(--on-dark-11);margin:0 0 clamp(22px,3vw,30px);max-width:52ch;text-wrap:pretty;animation:rise 1s .42s var(--move) both;}
.hero__titles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(24px,3.4vw,32px);animation:rise 1s .52s var(--move) both;}
.hero__ctas{display:flex;flex-wrap:wrap;gap:12px;animation:rise 1s .62s var(--move) both;}
.hero__figure{position:relative;justify-self:end;width:100%;max-width:360px;margin:0;}
.hero__block{position:absolute;inset:auto -12px -12px 28px;height:66%;background:var(--red);border-radius:var(--r-card);}
.hero__square{position:absolute;left:-12px;top:26px;width:56px;height:56px;border:1px solid rgba(255,255,255,.35);border-radius:var(--r-card);}
.hero__portrait{
  position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:34% 24%;
  border-radius:var(--r-card);filter:contrast(1.05) saturate(.97);
  animation:rise 1.1s .35s var(--move) both;
}

/* --------------------------------------------------------------------------
   03 Evidence
   -------------------------------------------------------------------------- */
.section-white{background:var(--white);border-bottom:1px solid var(--line);}
.section-pad{padding-block:var(--pad-section);}
.section-pad-compact{padding-block:var(--pad-compact);}

.evidence__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-template-rows:repeat(6,auto);gap:clamp(14px,1.6vw,20px);}
.ev{
  grid-row:span 6;display:grid;grid-template-rows:subgrid;gap:18px;
  padding:clamp(24px,2.6vw,32px);border-radius:var(--r-card);
  transition:transform var(--t-move) var(--move),box-shadow var(--t-move) ease,border-color var(--t-move) ease;
}
.ev-navy{color:var(--white);background:var(--navy);}
.ev-navy:hover{transform:translateY(-5px);box-shadow:var(--shadow-card-navy);}
.ev-white{border:1px solid var(--line);background:var(--white);}
.ev-white:hover{transform:translateY(-5px);box-shadow:var(--shadow-card);border-color:var(--ink);}
.ev__cat{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--red);font-weight:700;}
/* Specification section 11: red as text on navy must be the lighter red. At
   10px the lightest band of the navy gradient needs the softer of the two. */
.ev-navy .ev__cat{color:var(--red-on-dark-soft);}
.ev__name{font-size:clamp(24px,2.8vw,30px);line-height:1.1;letter-spacing:-.02em;}
.ev__meta{font-size:12.5px;color:var(--grey-500);margin-top:8px;}
.ev-navy .ev__meta{color:var(--on-dark-6);}
.ev__rows{grid-row:span 3;display:grid;grid-template-rows:subgrid;gap:0;align-content:start;border-top:1px solid var(--line);}
.ev-navy .ev__rows{border-top-color:var(--line-dark-3);}
.ev__row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 14px;padding:13px 0;border-bottom:1px solid var(--line);}
.ev-navy .ev__row{border-bottom-color:var(--line-dark-1);}
.ev__row:last-child{border-bottom:0;}
.ev__k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey-500);font-weight:700;}
.ev-navy .ev__k{color:var(--on-dark-8);}
.ev__v{font-size:24px;letter-spacing:-.02em;text-align:right;white-space:nowrap;margin-left:auto;}
.ev__note{font-size:14px;line-height:1.55;color:var(--grey-500);margin:0;}
.ev-navy .ev__note{color:var(--on-dark-2);}

/* --------------------------------------------------------------------------
   04 Situations
   -------------------------------------------------------------------------- */
.situations{
  background-color:var(--off-white);
  background-image:linear-gradient(rgba(246,247,248,.94),rgba(246,247,248,.97)),url("../img/city-aerial.jpg");
  background-size:cover;background-position:50% 30%;border-bottom:1px solid var(--line);
}
.sit__list{border-top:1px solid var(--line-strong);}
.sit{
  display:flex;flex-wrap:wrap;gap:clamp(18px,2.6vw,40px);
  padding:clamp(16px,2vw,22px) 0;border-bottom:1px solid var(--line-strong);
  transition:padding-left var(--t-move) var(--move),background var(--t-interaction) ease;
}
.sit:hover{padding-left:12px;background:rgba(255,255,255,.6);}
.sit__n{flex:0 0 auto;font-size:clamp(24px,2.8vw,32px);line-height:.9;color:var(--red);min-width:56px;}
.sit__body{flex:1 1 300px;min-width:0;}
.sit__title{font-size:19px;font-weight:600;letter-spacing:-.01em;margin:0 0 8px;font-family:inherit;}
.sit__copy{font-size:14.5px;line-height:1.6;color:var(--grey-500);max-width:48ch;}
.sit__side{flex:1 1 260px;min-width:0;display:grid;gap:9px;align-content:start;}
.sit__chips{display:flex;flex-wrap:wrap;gap:7px;}

/* --------------------------------------------------------------------------
   05 Operating system
   -------------------------------------------------------------------------- */
.section-ink{background:var(--ink);color:var(--white);}
.chain__head{display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,56px);align-items:flex-end;margin-bottom:clamp(30px,4vw,44px);}
.chain__head h2{flex:1 1 380px;max-width:18ch;margin:0;}
.chain__head p{flex:1 1 340px;font-size:15.5px;line-height:1.62;color:var(--on-dark-7);max-width:46ch;}
.chain{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;
  background:var(--ink);border-top:1px solid var(--line-dark-2);border-bottom:1px solid var(--line-dark-2);
}
.chain__card{background:var(--ink);padding:clamp(20px,2.2vw,26px) clamp(16px,1.8vw,22px);display:grid;gap:14px;align-content:start;border-right:1px solid var(--line-dark-2);transition:background var(--t-move) ease;}
.chain__card:last-child{border-right:0;}
.chain__card:hover{background:var(--navy-2);}
.chain__top{display:flex;align-items:center;gap:10px;}
.chain__n{font-size:22px;line-height:1;color:var(--red-on-dark);}
.chain__rule{flex:1 1 auto;height:1px;background:var(--line-dark-3);}
.chain__title{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--white);min-height:2lh;}
.chain__body{font-size:13.5px;line-height:1.5;color:var(--on-dark-9);}
.chain__close{font-size:clamp(19px,2.6vw,28px);line-height:1.32;letter-spacing:-.02em;color:var(--white);margin:clamp(28px,4vw,42px) 0 0;max-width:44ch;}

/* --------------------------------------------------------------------------
   06 and 12 White separator strips
   -------------------------------------------------------------------------- */
.strip__inner{max-width:var(--container);margin:0 auto;padding:var(--pad-strip) var(--gutter);display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between;}
.strip__chips{display:flex;flex-wrap:wrap;gap:10px 14px;}
.strip-sectors .strip__inner{justify-content:flex-start;gap:10px 14px;}

/* --------------------------------------------------------------------------
   07 Flagship cases
   -------------------------------------------------------------------------- */
.cases{background:var(--navy);color:var(--white);}
.cases__cols{display:flex;flex-wrap:wrap;gap:clamp(22px,3vw,44px);align-items:flex-start;}
.cases__nav{flex:1 1 300px;min-width:0;display:grid;gap:0;align-content:start;}
.cases__tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.cases__rail{display:grid;}

.stage{
  text-align:left;cursor:pointer;background:none;border:0;border-top:1px solid var(--line-dark-2);
  padding:0;display:flex;gap:16px;align-items:stretch;opacity:.82;transition:opacity var(--t-move) ease;
}
.stage[aria-selected="true"]{opacity:1;}
.stage__seg{flex:none;width:3px;background-color:rgba(255,255,255,.22);transition:background-color var(--t-move) ease;}
.stage.is-past .stage__seg{background-color:rgba(255,255,255,.75);}
.stage[aria-selected="true"] .stage__seg{background-color:var(--red);}
.stage__main{flex:1 1 auto;min-width:0;padding:12px 0;display:grid;gap:5px;}
.stage__top{display:flex;align-items:center;gap:10px;}
.stage__n{font-size:15px;color:rgba(255,255,255,.68);transition:color var(--t-move) ease;}
.stage[aria-selected="true"] .stage__n{color:var(--red-on-dark);}
.stage__label{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--on-dark-5);transition:color var(--t-move) ease;}
.stage[aria-selected="true"] .stage__label{color:var(--white);}
.stage__hint{font-size:13.5px;line-height:1.45;color:var(--on-dark-5);}
.stage__chev{
  flex:none;align-self:center;width:26px;height:26px;margin-right:2px;
  border:1px solid rgba(255,255,255,.28);border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13px;line-height:1;color:rgba(255,255,255,.6);transform:rotate(0deg);
  transition:transform .35s var(--move),color var(--t-move) ease,border-color var(--t-move) ease;
}
.stage[aria-selected="true"] .stage__chev{transform:rotate(90deg);color:var(--red-on-dark);border-color:var(--red-on-dark);}

.cases__panelwrap{flex:2 1 440px;min-width:0;border:1px solid var(--line-dark-3);border-radius:3px;padding:clamp(20px,2.4vw,30px);background:rgba(11,11,12,.24);display:grid;}
/* Every stage of every case occupies the same grid cell, so the panel height
   is fixed by the tallest and never jumps when the reader changes stage or case. */
.case-panel{grid-area:1/1;display:grid;gap:16px;align-content:start;visibility:hidden;}
.case-panel.is-active{visibility:visible;}
.case-panel__head{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between;}
.case-panel__name{font-size:clamp(24px,3vw,32px);line-height:1.08;}
.case-panel__meta{font-size:12.5px;color:var(--on-dark-5);margin-top:8px;}
.case-panel__stagelabel{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--red-on-dark-soft);font-weight:700;}
.case-panel__bar{height:2px;background:var(--line-dark-2);border-radius:2px;}
.case-panel__bar span{display:block;height:100%;background:var(--red);border-radius:2px;transition:width .5s var(--move);}
.case-panel__body{font-size:clamp(18px,2.1vw,23px);line-height:1.3;letter-spacing:-.02em;max-width:44ch;}
.case-panel__points{display:grid;gap:0;border-top:1px solid var(--line-dark-2);}
.case-panel__points li{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:14px;line-height:1.5;}
.case-panel__points li::before{content:"";flex:none;width:6px;height:6px;margin-top:8px;background:var(--red);}
.case-panel__metrics{display:flex;flex-wrap:wrap;gap:22px;padding-top:4px;}
.metric{display:grid;gap:6px;}
.metric__v{display:flex;align-items:baseline;gap:7px;font-size:clamp(22px,2.6vw,28px);line-height:1;letter-spacing:-.025em;color:var(--white);}
.metric__arrow{color:var(--red-on-dark);font-size:.7em;}
.metric__k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-5);font-weight:700;}
.case-panel[data-stage="3"] .metric__v{color:var(--red-on-dark-strong);}

/* --------------------------------------------------------------------------
   08 Portfolio interventions
   -------------------------------------------------------------------------- */
.rail{display:flex;gap:0;overflow-x:auto;margin-bottom:clamp(26px,3.4vw,36px);padding-bottom:4px;}
.mark{flex:1 0 104px;cursor:pointer;background:none;border:0;padding:0 0 4px;display:grid;gap:12px;justify-items:stretch;text-align:center;}
.mark__line{display:flex;align-items:center;height:18px;}
.mark__seg{flex:1 1 auto;height:1px;background-color:var(--line);}
.mark:first-child .mark__seg-l,.mark:last-child .mark__seg-r{background-color:transparent;}
.mark__hub{flex:none;width:18px;height:18px;display:flex;align-items:center;justify-content:center;}
.mark__dot{
  width:11px;height:11px;border-radius:50%;background-color:var(--white);border:2px solid var(--line-dot);
  box-shadow:0 0 0 0 rgba(200,16,46,0);transform:scale(1);
  transition:background-color var(--t-move) ease,border-color var(--t-move) ease,box-shadow var(--t-move) ease,transform var(--t-move) var(--move);
}
.mark[aria-selected="true"] .mark__dot{background-color:var(--red);border-color:var(--red);box-shadow:0 0 0 5px rgba(200,16,46,.16);transform:scale(1.35);}
.mark__year{font-size:15px;letter-spacing:-.01em;color:var(--grey-500);transition:color var(--t-move) ease;}
.mark[aria-selected="true"] .mark__year{color:var(--ink);}
.mark__sector{font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--grey-500);transition:color var(--t-move) ease;}
.mark[aria-selected="true"] .mark__sector{color:var(--red);}

.tile-stack{display:grid;border-top:1px solid var(--line);padding-top:clamp(22px,3vw,32px);}
.tile{grid-area:1/1;display:flex;flex-wrap:wrap;gap:clamp(22px,3vw,48px);align-items:flex-start;visibility:hidden;}
.tile.is-active{visibility:visible;}
.tile__left{flex:1 1 300px;min-width:0;}
.tile__co{font-size:clamp(24px,3vw,32px);line-height:1.08;}
.tile__meta{font-size:12.5px;color:var(--grey-500);margin-top:8px;}
.tile__fig{display:flex;align-items:baseline;gap:10px;margin-top:22px;}
.tile__fig b{font-family:Newsreader,Georgia,serif;font-weight:400;font-size:clamp(32px,4vw,46px);line-height:1;letter-spacing:-.03em;color:var(--red);font-variant-numeric:tabular-nums;}
.tile__unit{font-size:13px;color:var(--grey-500);max-width:28ch;}
.tile__rows{flex:1.4 1 360px;min-width:0;display:grid;gap:0;}
.tile__row{display:flex;flex-wrap:wrap;gap:8px 20px;padding:14px 0;border-bottom:1px solid var(--line);}
.tile__row:last-child{border-bottom:0;}
.tile__rk{flex:0 0 110px;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--grey-500);font-weight:700;padding-top:3px;}
.tile__rv{flex:1 1 220px;font-size:14.5px;line-height:1.55;}
.tile__rv-muted{color:var(--grey-500);}

/* --------------------------------------------------------------------------
   09 and 11 Photo halves
   -------------------------------------------------------------------------- */
.split{display:flex;flex-wrap:wrap;align-items:stretch;}
.split__photo{flex:1 1 300px;min-width:0;position:relative;min-height:260px;}
.split__photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.split__scrim{position:absolute;inset:0;}
.split__caption{position:absolute;left:clamp(20px,3vw,34px);bottom:clamp(22px,3vw,32px);right:clamp(20px,3vw,34px);}
.split__copy{
  flex:1.3 1 440px;min-width:0;
  padding:clamp(26px,3.2vw,40px) max(clamp(24px,3vw,40px),calc((100vw - 1280px) / 2 + clamp(20px,2.4vw,32px))) clamp(26px,3.2vw,40px) clamp(24px,2.8vw,36px);
  display:grid;gap:clamp(14px,1.8vw,20px);align-content:center;
}
.capital__line{font-size:clamp(22px,2.8vw,32px);line-height:1.16;letter-spacing:-.025em;max-width:18ch;color:var(--white);margin:0;text-wrap:balance;}
.capital__group{padding:12px 0;border-top:1px solid var(--line-dark-3);}
.capital__theme{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--red-on-dark-soft);font-weight:700;margin-bottom:9px;}
.capital__chips{display:flex;flex-wrap:wrap;gap:8px 10px;}
.capital__note{font-size:13px;line-height:1.5;color:var(--on-dark-5);margin:9px 0 0;max-width:56ch;}
.capital__claim{font-size:14px;line-height:1.6;color:var(--on-dark-2);max-width:52ch;border-left:2px solid var(--red);padding-left:14px;}

/* --------------------------------------------------------------------------
   10 Mandates
   -------------------------------------------------------------------------- */
.mandate__tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(24px,3.2vw,34px);}
.mandate-stack{display:grid;border-top:1px solid var(--line);padding-top:clamp(22px,3vw,32px);}
.mandate-panel{grid-area:1/1;display:flex;flex-wrap:wrap;gap:clamp(24px,3.4vw,56px);align-items:flex-start;visibility:hidden;}
.mandate-panel.is-active{visibility:visible;}
.mandate-panel__note{flex:1 1 280px;min-width:0;font-size:15px;line-height:1.62;color:var(--grey-500);max-width:42ch;}
.mandate-panel__roles{flex:1.4 1 380px;min-width:0;display:grid;gap:0;}
.mandate-panel__roles li{display:flex;align-items:baseline;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);transition:padding-left var(--t-move) var(--move);}
.mandate-panel__roles li:hover{padding-left:10px;}
.mandate-panel__roles li::before{content:"";flex:none;width:7px;height:7px;background:var(--red);}
.mandate-panel__role{font-family:Newsreader,Georgia,serif;font-weight:400;font-size:clamp(20px,2.4vw,26px);line-height:1.15;letter-spacing:-.02em;}

/* --------------------------------------------------------------------------
   11 Perry at a glance
   -------------------------------------------------------------------------- */
.glance .split{min-height:clamp(460px,52vw,580px);}
.glance .split__photo{min-height:280px;}
.glance__photolabel{position:absolute;left:clamp(20px,3vw,32px);bottom:clamp(20px,3vw,30px);display:flex;align-items:center;gap:10px;}
.glance__photolabel i{width:22px;height:2px;background:var(--red);display:block;}
.glance__photolabel span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-1);font-weight:700;}
.glance__copy{flex:1.35 1 460px;padding-block:clamp(32px,4.2vw,52px);gap:clamp(20px,2.6vw,28px);}
.glance__list{display:grid;gap:0;border-top:1px solid var(--line-dark-3);}
.glance__row{border-bottom:1px solid var(--line-dark-1);}
.glance__btn{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;padding:13px 0;padding-left:0;
  display:flex;flex-wrap:wrap;gap:8px 20px;align-items:baseline;
  transition:padding-left var(--t-move) var(--move);
}
.glance__btn[aria-expanded="true"]{padding-left:10px;}
.glance__k{flex:0 1 148px;min-width:0;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-5);font-weight:700;transition:color var(--t-move) ease;}
.glance__btn[aria-expanded="true"] .glance__k{color:var(--red-on-dark-soft);}
.glance__v{flex:1 1 120px;min-width:0;font-size:15px;line-height:1.4;color:var(--white);}
.glance__chev{
  flex:none;margin-left:auto;width:24px;height:24px;background-color:var(--red);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;line-height:1;color:var(--white);
  transform:rotate(0deg);transition:transform .35s var(--move),background-color var(--t-move) ease;
}
.glance__btn[aria-expanded="true"] .glance__chev{transform:rotate(90deg);background-color:var(--red-pressed);}
.glance__detail{overflow:hidden;max-height:0;opacity:0;transition:max-height var(--t-nav) var(--move),opacity var(--t-move) ease;}
.glance__detail.is-open{max-height:220px;opacity:1;}
.glance__detail p{font-size:13.5px;line-height:1.55;color:var(--on-dark-5);margin:0 0 15px;padding-left:0;max-width:56ch;transition:padding-left var(--t-move) var(--move);}
.glance__detail.is-open p{padding-left:10px;}

/* --------------------------------------------------------------------------
   13 Track record
   -------------------------------------------------------------------------- */
.track{
  background-color:var(--ink);
  background-image:linear-gradient(rgba(11,11,12,.72),rgba(11,11,12,.88)),url("../img/city-aerial.jpg");
  background-size:cover;background-position:50% 35%;color:var(--white);
}
.track__afford{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.track__affordchev{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:1px solid rgba(255,255,255,.45);border-radius:var(--r-chevron);font-size:11px;line-height:1;padding-left:1px;}
.track__affordlabel{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-7);font-weight:700;}
.era__tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:0;border-top:1px solid var(--line-dark-3);border-bottom:1px solid var(--line-dark-3);margin-bottom:clamp(26px,3.5vw,40px);}
.era{cursor:pointer;background-color:rgba(255,255,255,.04);color:var(--white);border:0;border-left:1px solid var(--line-dark-3);padding:18px 16px;display:grid;gap:6px;text-align:left;transition:background-color var(--t-move) ease,transform var(--t-move) ease;}
.era:first-child{border-left:0;}
.era:hover{background-color:rgba(255,255,255,.16);transform:translateY(-2px);}
.era[aria-selected="true"]{background-color:var(--red);}
.era__years{font-size:19px;letter-spacing:-.01em;}
.era__label{display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--on-dark-7);}
.era[aria-selected="true"] .era__label{color:rgba(255,255,255,.85);}
.era__arrow{display:inline-block;font-size:13px;letter-spacing:0;transform:rotate(0deg);transition:transform var(--t-move) ease;}
.era[aria-selected="true"] .era__arrow{transform:rotate(90deg);}
.era-stack{display:grid;}
.era-panel{grid-area:1/1;display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,56px);align-items:flex-start;visibility:hidden;}
.era-panel.is-active{visibility:visible;}
.era-panel__left{flex:1 1 360px;min-width:0;}
.era-panel__title{font-size:clamp(24px,3.2vw,34px);line-height:1.1;letter-spacing:-.02em;margin-bottom:10px;}
.era-panel__meta{font-size:12.5px;color:var(--red-on-dark);font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;}
.era-panel__blurb{font-size:15.5px;line-height:1.62;color:var(--on-dark-2);max-width:48ch;}
.era-panel__points{flex:1 1 360px;min-width:0;display:grid;gap:0;}
.era-panel__points li{font-size:15px;line-height:1.5;padding:14px 0;border-top:1px solid var(--line-dark-3);color:var(--white);}

/* --------------------------------------------------------------------------
   14 Quote strip
   -------------------------------------------------------------------------- */
.quote{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.quote__inner{max-width:var(--container);margin:0 auto;padding:clamp(38px,5.5vw,64px) var(--gutter) clamp(28px,4vw,44px);display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,56px);align-items:center;}
.quote__open{flex:0 0 auto;font-size:clamp(60px,9vw,120px);line-height:.7;color:var(--red);align-self:flex-start;}
.quote__text{flex:1 1 420px;font-size:clamp(28px,4.4vw,52px);line-height:1.1;letter-spacing:-.03em;max-width:20ch;color:var(--ink);}
.quote__text em{font-style:normal;color:var(--red);}
.quote__close{color:var(--ink);font-size:1.9em;line-height:0;vertical-align:-.28em;}
.quote__side{flex:0 1 240px;display:grid;gap:16px;border-left:1px solid var(--line);padding-left:clamp(24px,3vw,40px);margin-left:clamp(8px,3vw,44px);}
.quote__side span{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--ink);}

/* --------------------------------------------------------------------------
   15 Contact
   -------------------------------------------------------------------------- */
.contact{position:relative;background:var(--ink);color:var(--white);}
.contact__photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;}
.contact__scrim{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,11,12,.92) 0%,rgba(11,11,12,.76) 45%,rgba(11,11,12,.48) 100%);}
.contact__scrim-b{position:absolute;inset:0;background:linear-gradient(rgba(11,11,12,0) 34%,rgba(11,11,12,.50) 70%,rgba(11,11,12,.86) 100%);}
.contact__inner{position:relative;max-width:var(--container);margin:0 auto;padding:clamp(52px,8vw,100px) var(--gutter);}
.contact__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(28px,5vw,64px);align-items:end;}
.contact__h2{font-size:clamp(30px,5vw,52px);line-height:1.05;letter-spacing:-.03em;margin:0 0 20px;max-width:16ch;text-wrap:balance;}
.contact__lead{font-size:16px;line-height:1.6;color:var(--on-dark-4);max-width:52ch;}
.contact__actions{display:grid;gap:14px;justify-items:start;}
.btn-contact{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;padding:16px 28px;border-radius:var(--r-card);letter-spacing:normal;text-transform:none;}
.contact__links{display:flex;flex-wrap:wrap;gap:20px;padding-top:4px;}
.contact__link{display:inline-flex;align-items:center;gap:8px;color:var(--on-dark-4);font-size:14px;font-weight:500;padding:4px 0;border-bottom:1px solid var(--line-dark-4);transition:color var(--t-interaction) ease,border-color var(--t-interaction) ease;}
.contact__link:hover{color:var(--white);border-color:var(--white);}
.contact__foot{margin-top:clamp(36px,6vw,64px);padding-top:24px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:var(--on-dark-5);}

/* --------------------------------------------------------------------------
   Reduced motion, specification section 2. Global and mandatory.
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001s !important;animation-delay:0s !important;transition-duration:.001s !important;}
}

/* --------------------------------------------------------------------------
   Arrow notation, specification section 8. The arrow itself renders red.
   -------------------------------------------------------------------------- */
.ev__arrow{color:var(--red);}
.ev__arrow-dark{color:var(--red-on-dark);}

/* Skip link, visible the moment it takes focus. */
.skip{position:absolute;left:var(--gutter);top:-100px;z-index:70;background:var(--red);color:var(--white);
  font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:15px 22px;border-radius:var(--r-card);
  transition:top var(--t-interaction) ease;}
.skip:focus{top:12px;color:var(--white);}

/* --------------------------------------------------------------------------
   The mobile build is a sibling composition in the same document. It is
   hidden here and revealed by assets/css/mobile.css, which the page loads
   only below 720px through the media attribute on its link. That attribute
   is the single place the breakpoint is declared.
   -------------------------------------------------------------------------- */
.m-page,.m-bar{display:none;}