:root{
  --ink:#0B1220; --ink2:#101B30; --ink3:#16233C;
  --paper:#F5F6F2; --card:#FFFFFF;
  --volt:#F2DE1B; --volt-dim:#C9B915;
  --sky:#93A5BE; --text:#1B2434; --mute:#5A6678;
  --line:#E3E6DE; --line-dark:rgba(147,165,190,.18);
  --crimson:#E23A6E; --indigo:#4657B7; --purple:#6D48C6; --amber:#DD831A; --teal:#148CB8; --green:#01B770; --magenta:#C34597;
  --disp:'Space Grotesk',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --body:'IBM Plex Sans',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--text);line-height:1.65;overflow-x:hidden}
::selection{background:var(--volt);color:var(--ink)}

/* ---------- runway spine (signature) ---------- */
.spine{position:fixed;left:34px;top:0;bottom:0;width:2px;z-index:5;pointer-events:none}
.spine .dashes{position:absolute;inset:0;background-image:repeating-linear-gradient(to bottom,var(--line-dark) 0 26px,transparent 26px 44px)}
.spine .fill{position:absolute;top:0;left:0;width:100%;height:0%;background-image:repeating-linear-gradient(to bottom,var(--volt) 0 26px,transparent 26px 44px);transition:height .12s linear}
.spine .cap{position:absolute;left:50%;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:50%;background:var(--volt);box-shadow:0 0 0 4px rgba(242,222,27,.22);top:0;transition:top .12s linear}
@media(max-width:900px){.spine{display:none}}

/* ---------- nav ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px 48px;background:rgba(11,18,32,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-dark)}
nav .brand{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.14em;color:#fff;text-decoration:none}
nav .brand b{color:var(--volt)}
nav .links{display:flex;gap:26px}
nav .links a{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--sky);text-decoration:none;text-transform:uppercase;transition:color .2s}
nav .links a:hover,nav .links a:focus-visible{color:var(--volt)}
@media(max-width:760px){nav{padding:14px 20px}.links{display:none}}

/* ---------- shared ---------- */
.wrap{max-width:1120px;margin:0 auto;padding:0 48px}
@media(max-width:760px){.wrap{padding:0 22px}}
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor}
section{padding:110px 0}
.sec-head{margin-bottom:56px;max-width:720px}
.sec-head h2{font-family:var(--disp);font-size:clamp(30px,4.2vw,46px);font-weight:600;letter-spacing:-.02em;line-height:1.12;margin-top:16px}
.sec-head p{margin-top:16px;color:var(--mute);font-size:17px}
.light{background:var(--paper);color:var(--text)}
.light .eyebrow{color:var(--volt-dim)}
.dark{background:var(--ink);color:#EDF1F7}
.dark .eyebrow{color:var(--volt)}
.dark .sec-head p{color:var(--sky)}

/* reveal animation */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}

/* ---------- hero ---------- */
header.hero{background:var(--ink);color:#fff;padding:150px 0 0;position:relative;overflow:hidden}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(147,165,190,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(147,165,190,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 40%,transparent 100%)}
.hero .eyebrow{color:var(--volt)}
.hero-cols{display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center;position:relative}
@media(max-width:980px){.hero-cols{grid-template-columns:1fr;gap:70px}}
.hero .brandmark{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.hero .brandmark img.badge{width:44px;height:44px;filter:drop-shadow(0 0 18px rgba(255,255,0,.35))}
.hero .brandmark img.word{height:30px;width:auto;filter:drop-shadow(0 0 16px rgba(255,255,0,.28))}
.hero h1{font-family:var(--disp);font-weight:700;font-size:clamp(38px,5vw,48px);letter-spacing:-.03em;line-height:1.04;margin-top:20px}
.hero h1 .volt{color:var(--volt)}
.hero .sub{margin-top:24px;font-size:clamp(15px,1.6vw,18px);color:var(--sky);max-width:560px}
.hero-load .hl{opacity:0;transform:translateY(26px);animation:heroUp .8s cubic-bezier(.2,.7,.3,1) forwards}
.hero-load .hl:nth-child(1){animation-delay:.08s}.hero-load .hl:nth-child(2){animation-delay:.18s}.hero-load .hl:nth-child(3){animation-delay:.28s}.hero-load .hl:nth-child(4){animation-delay:.4s}.hero-load .hl:nth-child(5){animation-delay:.52s}
@keyframes heroUp{to{opacity:1;transform:none}}

/* hero collage — the product glimpse */
.collage{position:relative;padding:30px 0 70px;opacity:0;animation:heroUp 1s cubic-bezier(.2,.7,.3,1) .45s forwards;width:125%}
.rings{position:absolute;top:50%;left:55%;transform:translate(-50%,-50%);width:640px;height:640px;pointer-events:none}
.rings i{position:absolute;inset:0;border:1px solid rgba(242,222,27,.14);border-radius:50%;animation:ring 5.5s ease-out infinite}
.rings i:nth-child(2){animation-delay:1.8s}
.rings i:nth-child(3){animation-delay:3.6s}
@keyframes ring{0%{transform:scale(.42);opacity:0}18%{opacity:.9}100%{transform:scale(1);opacity:0}}
.rings::after{content:"";position:absolute;top:50%;left:50%;width:6px;height:6px;border-radius:50%;background:var(--volt);transform:translate(-50%,-50%);box-shadow:0 0 22px 6px rgba(242,222,27,.35)}
.c-web{position:relative;z-index:2;transform:rotate(-1.6deg);animation:floatA 7s ease-in-out infinite}
.c-web .browser{box-shadow:0 34px 90px rgba(0,0,0,.55);border-color:rgba(147,165,190,.28)}
.c-web .browser:hover{transform:none}
.c-phone{position:absolute;z-index:3;right:-20%;bottom:5%;width:31%;min-width:130px;animation:floatB 7s ease-in-out .9s infinite}
.c-phone .phone{padding:8px;border-radius:26px;box-shadow:0 30px 70px rgba(0,0,0,.6)}
.c-phone .phone:hover{transform:none}
.c-phone .screen{border-radius:19px}
@keyframes floatA{0%,100%{transform:rotate(-1.6deg) translateY(0)}50%{transform:rotate(-1.6deg) translateY(-10px)}}
@keyframes floatB{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
@media(max-width:1300px){.collage{width:114%}}
@media(max-width:980px){.rings{width:480px;height:480px}.collage{width:100%}.c-phone{right:-4%;bottom:-6%;width:34%}}
@media(max-width:560px){.collage{padding-bottom:64px}.c-phone{width:42%;right:1%;bottom:-26px}}
@media(max-width:400px){.rings{width:320px;height:320px}.c-phone{width:46%;min-width:110px;right:0;bottom:-22px}}

/* boarding-pass meta strip */
.meta-strip{margin-top:54px;border:1px solid var(--line-dark);border-radius:12px;display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;background:rgba(16,27,48,.6)}
.meta-strip .cell{padding:20px 24px;border-right:1px dashed var(--line-dark)}
.meta-strip .cell:last-child{border-right:0}
.meta-strip .k{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--sky);text-transform:uppercase}
.meta-strip .v{font-family:var(--disp);font-weight:600;font-size:17px;margin-top:6px;color:#fff}
@media(max-width:760px){.meta-strip{grid-template-columns:repeat(2,1fr)}.meta-strip .cell{border-bottom:1px dashed var(--line-dark)}}

/* avionics readout */
.readout{margin-top:64px;background:linear-gradient(180deg,var(--ink2),var(--ink3));border:1px solid var(--line-dark);border-radius:16px 16px 0 0;padding:34px 38px;display:flex;flex-wrap:wrap;align-items:center;gap:34px;position:relative}
.readout::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--volt)}
.readout .label{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--sky);text-transform:uppercase;flex-basis:100%}
.readout .time{font-family:var(--mono);font-weight:600;font-size:clamp(40px,6vw,64px);letter-spacing:-.01em}
.readout .was{color:var(--sky);text-decoration:line-through;text-decoration-color:var(--crimson);text-decoration-thickness:3px}
.readout .arrow{font-family:var(--disp);color:var(--volt);font-size:clamp(26px,4vw,40px)}
.readout .now{color:var(--volt);text-shadow:0 0 26px rgba(242,222,27,.35)}
.readout .delta{font-family:var(--mono);font-size:13px;color:var(--green);border:1px solid rgba(1,183,112,.4);background:rgba(1,183,112,.08);padding:6px 12px;border-radius:999px}
.readout .cap-note{font-size:13px;color:var(--sky);flex-basis:100%}

/* agent marquee */
.marquee{border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);background:var(--ink2);overflow:hidden;padding:16px 0;margin-top:0}
.marquee .track{display:flex;gap:52px;width:max-content;animation:mq 30s linear infinite}
.marquee .item{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--sky);text-transform:uppercase;white-space:nowrap}
.marquee img{width:24px;height:24px;border-radius:5px}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- problem stats ---------- */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:52px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--volt)}
.stat .num{font-family:var(--disp);font-weight:700;font-size:40px;letter-spacing:-.02em}
.stat .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-top:8px}
@media(max-width:760px){.stat-row{grid-template-columns:1fr}}
.prose{max-width:720px;font-size:17px;color:var(--text)}
.prose p+p{margin-top:18px}
.prose .hi{background:linear-gradient(transparent 62%,rgba(242,222,27,.55) 62%);font-weight:600}

/* ---------- constraints ---------- */
.con-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.con{background:var(--ink2);border:1px solid var(--line-dark);border-radius:14px;padding:30px;transition:transform .3s,border-color .3s}
.con:hover{transform:translateY(-4px);border-color:rgba(242,222,27,.4)}
.con .tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--volt);text-transform:uppercase}
.con h3{font-family:var(--disp);font-size:20px;font-weight:600;margin:12px 0 10px;color:#fff}
.con p{font-size:15px;color:var(--sky)}
@media(max-width:760px){.con-grid{grid-template-columns:1fr}}

/* ---------- process timeline ---------- */
.fp{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card)}
.fp .leg{padding:28px 26px;border-right:1px dashed var(--line);position:relative}
.fp .leg:last-child{border-right:0}
.fp .mo{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--volt-dim);text-transform:uppercase}
.fp h3{font-family:var(--disp);font-size:18px;font-weight:600;margin:10px 0 8px}
.fp p{font-size:14px;color:var(--mute)}
.fp .leg::after{content:"➤";position:absolute;right:-9px;top:26px;color:var(--volt-dim);font-size:12px;background:var(--card);z-index:2}
.fp .leg:last-child::after{display:none}
@media(max-width:900px){.fp{grid-template-columns:1fr}.fp .leg{border-right:0;border-bottom:1px dashed var(--line)}.fp .leg::after{display:none}}

/* agent roster */
.roster{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-top:26px}
.agent{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;gap:14px;align-items:flex-start;transition:transform .3s,box-shadow .3s}
.agent:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(11,18,32,.1)}
.agent img{width:34px;height:34px;border-radius:7px;flex-shrink:0}
.agent .an{font-family:var(--disp);font-weight:600;font-size:15px}
.agent .at{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;margin-top:3px}
.agent .ad{font-size:13px;color:var(--mute);margin-top:6px;line-height:1.5}

/* iteration compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px;align-items:start}
@media(max-width:900px){.compare{grid-template-columns:1fr}}
.ver{position:relative}
.ver .badge{position:absolute;top:-13px;left:20px;z-index:3;font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;padding:6px 12px;border-radius:999px;font-weight:600}
.ver .b-old{background:#E9EBE4;color:var(--mute);border:1px solid var(--line)}
.ver .b-new{background:var(--volt);color:var(--ink)}
.ver figcaption{font-size:14px;color:var(--mute);margin-top:14px;padding:0 4px}

/* ---------- browser / phone frames ---------- */
.browser{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--card);box-shadow:0 18px 50px rgba(11,18,32,.10);transition:transform .35s,box-shadow .35s}
.browser:hover{transform:translateY(-6px);box-shadow:0 30px 70px rgba(11,18,32,.16)}
.browser .bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:#EDEFE9;border-bottom:1px solid var(--line)}
.browser .bar i{width:10px;height:10px;border-radius:50%;display:block}
.browser .bar i:nth-child(1){background:#F16A5D}.browser .bar i:nth-child(2){background:#F5BF4F}.browser .bar i:nth-child(3){background:#62C554}
.browser .bar span{font-family:var(--mono);font-size:10px;color:var(--mute);letter-spacing:.08em;margin-left:10px}
.browser img{display:block;width:100%;height:auto}

.showcase{margin-top:56px;display:grid;gap:70px}
.show-item{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.show-item:nth-child(even) .show-copy{order:2}
@media(max-width:900px){.show-item{grid-template-columns:1fr}.show-item:nth-child(even) .show-copy{order:0}}
.show-copy .n{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--volt-dim);text-transform:uppercase}
.show-copy h3{font-family:var(--disp);font-size:26px;font-weight:600;letter-spacing:-.01em;margin:12px 0 12px}
.show-copy p{font-size:15.5px;color:var(--mute)}
.show-copy ul{margin-top:14px;padding-left:0;list-style:none}
.show-copy li{font-size:14.5px;color:var(--mute);padding-left:22px;position:relative;margin-top:8px}
.show-copy li::before{content:"▸";position:absolute;left:0;color:var(--volt-dim)}

/* phones */
.phones{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:56px}
@media(max-width:1000px){.phones{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.phones{grid-template-columns:1fr}}
.phone{border-radius:34px;border:1px solid var(--line-dark);background:#0d1526;padding:12px;box-shadow:0 24px 60px rgba(0,0,0,.4);transition:transform .35s}
.phone:hover{transform:translateY(-8px)}
.phone .screen{border-radius:24px;overflow:hidden;position:relative}
.phone img{display:block;width:100%;height:auto}
.phone-cap{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--sky);text-align:center;margin-top:16px}

/* GTM */
.gtm{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:56px;align-items:start}
@media(max-width:900px){.gtm{grid-template-columns:1fr}}
.gtm .card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 14px 40px rgba(11,18,32,.08);transition:transform .35s}
.gtm .card:hover{transform:translateY(-6px)}
.gtm img{display:block;width:100%;height:auto}
.gtm .gc{padding:20px 22px;border-top:1px solid var(--line)}
.gtm .gs{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--volt-dim);text-transform:uppercase}
.gtm h4{font-family:var(--disp);font-size:17px;font-weight:600;margin:8px 0 6px}
.gtm p{font-size:13.5px;color:var(--mute)}

/* impact */
.imp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px}
@media(max-width:900px){.imp-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.imp-grid{grid-template-columns:1fr}}
.imp{border:1px solid var(--line-dark);border-radius:14px;padding:30px 26px;background:var(--ink2);position:relative;overflow:hidden}
.imp::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--volt)}
.imp .big{font-family:var(--disp);font-weight:700;font-size:clamp(38px,4.4vw,52px);letter-spacing:-.02em;color:#fff}
.imp .big .u{font-size:.5em;color:var(--volt)}
.imp .il{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--sky);margin-top:10px;line-height:1.7}

/* learnings */
.learn{display:grid;gap:0;margin-top:14px;border-top:1px solid var(--line)}
.learn .row{display:grid;grid-template-columns:90px 1fr;gap:30px;padding:34px 0;border-bottom:1px solid var(--line)}
@media(max-width:700px){.learn .row{grid-template-columns:1fr;gap:10px}}
.learn .no{font-family:var(--mono);font-weight:600;font-size:14px;color:var(--volt-dim);letter-spacing:.1em}
.learn h3{font-family:var(--disp);font-size:21px;font-weight:600;letter-spacing:-.01em}
.learn p{margin-top:10px;color:var(--mute);font-size:15.5px;max-width:760px}

/* footer */
footer{background:var(--ink);color:var(--sky);padding:70px 0 50px;border-top:1px solid var(--line-dark)}
footer .f-inner{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:26px}
footer .f-name{font-family:var(--disp);font-weight:600;font-size:22px;color:#fff}
footer .f-role{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin-top:8px}
footer .f-note{font-family:var(--mono);font-size:11px;letter-spacing:.1em}
footer .f-note b{color:var(--volt)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
  .hero-load .hl{opacity:1;transform:none}
}