/* ==========================================================================
   InfraOpt AI — Design System
   Dark-first enterprise SaaS. Built for GCC/MEA telecom expense management.
   0 Tokens · 1 Reset · 2 Type · 3 Layout · 4 Buttons · 5 Nav · 6 Hero
   7 Cards · 8 Components · 9 Footer · 10 Motion · 11 Responsive
   ========================================================================== */

/* ---------- 0. Tokens ---------------------------------------------------- */
:root {
  --ink-900:#04060C; --ink-850:#070A12; --ink-800:#0A0E1A;
  --ink-700:#101728; --ink-600:#182136; --ink-500:#222D45;

  --text-hi:#F2F6FF; --text-mid:#A3AFC6; --text-low:#8794AE;

  --signal:#00D9A3; --signal-dim:#06A57D;
  --violet:#7C6BFF; --amber:#F7B93E; --rose:#FF6B81;

  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.075);
  --hairline:rgba(255,255,255,.09);
  --hairline-soft:rgba(255,255,255,.055);

  --grad-signal:linear-gradient(135deg,#00D9A3 0%,#24E0BF 100%);
  --grad-text:linear-gradient(100deg,#FFFFFF 0%,#C9F7EA 45%,#A99BFF 100%);

  --shadow-md:0 8px 30px rgba(0,0,0,.45);
  --shadow-lg:0 30px 80px -20px rgba(0,0,0,.75);

  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-xl:32px; --r-pill:999px;
  --max:1240px; --max-narrow:860px; --gutter:24px;

  --font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- 1. Reset & base --------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.65;
  color:var(--text-mid);background:var(--ink-900);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 12% -8%,rgba(0,217,163,.14),transparent 62%),
    radial-gradient(760px 620px at 88% 4%,rgba(124,107,255,.16),transparent 60%),
    radial-gradient(1100px 800px at 50% 108%,rgba(0,217,163,.07),transparent 65%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 100% 70% at 50% 0%,#000 20%,transparent 80%);
  mask-image:radial-gradient(ellipse 100% 70% at 50% 0%,#000 20%,transparent 80%);
}
img,svg,video{max-width:100%;display:block}
::selection{background:rgba(0,217,163,.28);color:#fff}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--signal);color:var(--ink-900);
  padding:12px 20px;z-index:999;font-weight:600;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- 2. Typography ------------------------------------------------ */
h1,h2,h3,h4,h5{color:var(--text-hi);font-weight:650;line-height:1.12;
  letter-spacing:-.028em;margin:0 0 .55em;text-wrap:balance}
h1{font-size:clamp(2.5rem,5.6vw,4.2rem);letter-spacing:-.04em}
h2{font-size:clamp(1.9rem,3.6vw,2.95rem);letter-spacing:-.035em}
h3{font-size:clamp(1.2rem,1.9vw,1.55rem);letter-spacing:-.022em}
h4{font-size:1.05rem;letter-spacing:-.015em}
p{margin:0 0 1.15em;text-wrap:pretty}
p:last-child{margin-bottom:0}
.lede{font-size:clamp(1.06rem,1.5vw,1.25rem);line-height:1.62;color:var(--text-mid);max-width:62ch}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.715rem;font-weight:650;
  letter-spacing:.16em;text-transform:uppercase;color:var(--signal);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--signal))}
.eyebrow.centered{justify-content:center}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.signal-text{color:var(--signal)}
.mono{font-family:var(--font-mono);font-size:.86em;letter-spacing:-.02em}

/* ---------- 3. Layout ---------------------------------------------------- */
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:var(--max-narrow)}
.section{padding:clamp(72px,9vw,128px) 0;position:relative}
.section--tight{padding:clamp(52px,6vw,80px) 0}
.section--alt{background:linear-gradient(180deg,transparent,rgba(10,14,26,.75) 12%,rgba(10,14,26,.75) 88%,transparent)}
.section-head{max-width:720px;margin-bottom:clamp(40px,5vw,64px)}
.section-head.centered{margin-inline:auto;text-align:center}
.section-head.centered .lede{margin-inline:auto}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(36px,5vw,72px);align-items:center}
.split--wide-left{grid-template-columns:1.25fr .75fr}
.center{text-align:center}
.hairline{height:1px;background:linear-gradient(90deg,transparent,var(--hairline),transparent);border:0;margin:0}

/* ---------- 4. Buttons --------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;
  font-family:inherit;font-size:.935rem;font-weight:600;letter-spacing:-.01em;
  border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),
    background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn svg{flex:none}
.btn--primary{background:var(--grad-signal);color:#032018;box-shadow:0 6px 24px -6px rgba(0,217,163,.5)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(0,217,163,.65)}
.btn--ghost{background:var(--glass);color:var(--text-hi);border-color:var(--hairline);backdrop-filter:blur(10px)}
.btn--ghost:hover{background:var(--glass-strong);border-color:rgba(0,217,163,.42);transform:translateY(-2px)}
.btn--sm{padding:10px 19px;font-size:.855rem}
.btn--lg{padding:17px 34px;font-size:1rem}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:13px;align-items:center}
.btn-row.centered{justify-content:center}
.link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--signal);
  font-weight:600;font-size:.9rem;text-decoration:none;transition:gap .25s var(--ease)}
.link-arrow::after{content:"\2192";transition:transform .25s var(--ease)}
.link-arrow:hover{gap:11px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 15px 7px 12px;
  background:var(--glass);border:1px solid var(--hairline);border-radius:var(--r-pill);
  font-size:.78rem;font-weight:550;color:var(--text-mid);backdrop-filter:blur(10px)}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--signal);flex:none;
  box-shadow:0 0 0 3px rgba(0,217,163,.18);animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(0,217,163,.18)}50%{box-shadow:0 0 0 6px rgba(0,217,163,.04)}}
.tag{display:inline-block;padding:4px 10px;border-radius:6px;font-size:.68rem;
  font-weight:650;letter-spacing:.07em;text-transform:uppercase}
.tag--signal{background:rgba(0,217,163,.13);color:var(--signal)}
.tag--violet{background:rgba(124,107,255,.15);color:#A99BFF}
.tag--amber{background:rgba(247,185,62,.13);color:var(--amber)}

/* ---------- 5. Navigation ------------------------------------------------ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease)}
.nav.is-stuck{background:rgba(4,6,12,.82);backdrop-filter:blur(18px) saturate(180%);
  border-bottom-color:var(--hairline-soft)}
.nav__inner{display:flex;align-items:center;gap:32px;height:74px;
  max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.brand{display:inline-flex;align-items:center;text-decoration:none;flex:none;color:var(--text-hi)}
.brand__logo{height:30px;width:auto;display:block}
.footer .brand__logo{height:34px}
@media (max-width:560px){.brand__logo{height:26px}}
.brand__mark{width:30px;height:30px;border-radius:9px;flex:none;background:var(--grad-signal);
  display:grid;place-items:center;box-shadow:0 4px 16px -4px rgba(0,217,163,.6)}
.brand__mark svg{width:17px;height:17px}
.brand em{font-style:normal;color:var(--signal)}
.nav__links{display:flex;align-items:center;gap:4px;margin-inline:auto}
.nav__link{position:relative;padding:9px 14px;border-radius:var(--r-sm);font-size:.905rem;
  font-weight:520;color:var(--text-mid);text-decoration:none;transition:color .2s,background .2s}
.nav__link:hover,.nav__link[aria-current="page"]{color:var(--text-hi);background:var(--glass)}
.nav__link[aria-current="page"]::after{content:"";position:absolute;left:14px;right:14px;
  bottom:2px;height:2px;background:var(--signal);border-radius:2px}
.nav__actions{display:flex;align-items:center;gap:10px;flex:none}
.nav__toggle{display:none;width:42px;height:42px;flex:none;background:var(--glass);
  border:1px solid var(--hairline);border-radius:11px;cursor:pointer;padding:0;place-items:center}
.nav__toggle span{display:block;width:17px;height:1.5px;background:var(--text-hi);
  border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav__toggle span+span{margin-top:4.5px}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav__mobile{display:none;position:fixed;inset:74px 0 0;background:rgba(4,6,12,.97);
  backdrop-filter:blur(24px);padding:28px var(--gutter) 40px;overflow-y:auto;z-index:99}
.nav__mobile.is-open{display:block;animation:slideDown .32s var(--ease-out)}
@keyframes slideDown{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}
.nav__mobile-link{display:flex;align-items:center;justify-content:space-between;padding:17px 4px;
  font-size:1.15rem;font-weight:600;color:var(--text-hi);text-decoration:none;
  border-bottom:1px solid var(--hairline-soft)}
.nav__mobile-link::after{content:"\2192";color:var(--text-low)}
.nav__mobile .btn-row{margin-top:28px;flex-direction:column;align-items:stretch}

/* ---------- 6. Hero ------------------------------------------------------ */
.hero{padding:148px 0 clamp(60px,8vw,100px);position:relative}
.hero__grid{display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(38px,5vw,64px);align-items:center}
.hero h1{margin-bottom:22px}
.hero .lede{margin-bottom:30px;font-size:clamp(1.08rem,1.45vw,1.22rem)}
.hero__proof{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:32px;padding-top:26px;
  border-top:1px solid var(--hairline-soft);font-size:.845rem;color:var(--text-low)}
.hero__proof span{display:inline-flex;align-items:center;gap:7px}
.hero__proof svg{color:var(--signal);flex:none}

.console{position:relative;background:linear-gradient(165deg,rgba(16,23,40,.94),rgba(7,10,18,.96));
  border:1px solid var(--hairline);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg),inset 0 1px 0 rgba(255,255,255,.055);
  overflow:hidden;backdrop-filter:blur(20px)}
.console::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(150deg,rgba(0,217,163,.5),transparent 40%,transparent 70%,rgba(124,107,255,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.console__bar{display:flex;align-items:center;gap:10px;padding:13px 18px;
  border-bottom:1px solid var(--hairline-soft);background:rgba(255,255,255,.022)}
.console__dots{display:flex;gap:6px}
.console__dots i{width:9px;height:9px;border-radius:50%;background:var(--ink-500)}
.console__dots i:first-child{background:#ff5f57;opacity:.75}
.console__dots i:nth-child(2){background:#febc2e;opacity:.75}
.console__dots i:nth-child(3){background:#28c840;opacity:.75}
.console__title{font-family:var(--font-mono);font-size:.76rem;color:var(--text-low);margin-inline:auto}
.console__badge{font-size:.68rem;font-weight:650;letter-spacing:.07em;text-transform:uppercase;
  color:var(--signal);background:rgba(0,217,163,.11);padding:3px 9px;border-radius:5px}
.console__body{padding:20px 18px 22px}
.audit-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;
  padding:12px 13px;border-radius:var(--r-md);border:1px solid transparent;
  background:rgba(255,255,255,.02);margin-bottom:9px;opacity:0;transform:translateY(10px);
  animation:rowIn .55s var(--ease-out) forwards}
.audit-row:nth-child(1){animation-delay:.25s}
.audit-row:nth-child(2){animation-delay:.55s}
.audit-row:nth-child(3){animation-delay:.85s}
.audit-row:nth-child(4){animation-delay:1.15s}
.audit-row:nth-child(5){animation-delay:1.45s}
@keyframes rowIn{to{opacity:1;transform:none}}
.audit-row--flag{border-color:rgba(247,185,62,.28);background:rgba(247,185,62,.05)}
.audit-row--save{border-color:rgba(0,217,163,.3);background:rgba(0,217,163,.055)}
.audit-row__icon{width:32px;height:32px;border-radius:9px;flex:none;display:grid;
  place-items:center;font-size:.95rem;background:rgba(255,255,255,.05)}
.audit-row--flag .audit-row__icon{background:rgba(247,185,62,.14);color:var(--amber)}
.audit-row--save .audit-row__icon{background:rgba(0,217,163,.14);color:var(--signal)}
.audit-row__label{font-size:.855rem;color:var(--text-hi);font-weight:550;line-height:1.35}
.audit-row__meta{font-size:.735rem;color:var(--text-low);font-family:var(--font-mono);margin-top:2px}
.audit-row__value{font-family:var(--font-mono);font-size:.855rem;font-weight:600;text-align:right}
.audit-row--flag .audit-row__value{color:var(--amber)}
.audit-row--save .audit-row__value{color:var(--signal)}
.audit-row__value small{display:block;font-size:.66rem;color:var(--text-low);font-weight:400;letter-spacing:.04em}
.console__foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;
  padding-top:15px;border-top:1px solid var(--hairline-soft);font-size:.8rem}
.console__foot strong{color:var(--signal);font-family:var(--font-mono);font-size:1.12rem}
.float-card{position:absolute;z-index:3;background:rgba(10,14,26,.9);border:1px solid var(--hairline);
  border-radius:var(--r-md);padding:13px 17px;backdrop-filter:blur(18px);
  box-shadow:var(--shadow-md);animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.float-card__k{font-family:var(--font-mono);font-size:1.35rem;font-weight:650;color:var(--signal);line-height:1}
.float-card__l{font-size:.72rem;color:var(--text-low);margin-top:5px;letter-spacing:.02em}
.float-card--br{right:-22px;bottom:-26px;animation-delay:.8s}

/* ---------- 7. Cards ----------------------------------------------------- */
.card{position:relative;background:linear-gradient(165deg,rgba(255,255,255,.045),rgba(255,255,255,.014));
  border:1px solid var(--hairline);border-radius:var(--r-lg);padding:28px 26px;overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease)}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(0,217,163,.11),transparent 55%);
  transition:opacity .4s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:rgba(0,217,163,.3)}
.card:hover::after{opacity:1}
.card h3{margin-bottom:9px}
.card p{font-size:.92rem;color:var(--text-mid);margin:0}
.card__icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(0,217,163,.17),rgba(124,107,255,.13));
  border:1px solid rgba(0,217,163,.22);color:var(--signal);margin-bottom:20px}
.card__icon--violet{background:linear-gradient(150deg,rgba(124,107,255,.2),rgba(0,217,163,.08));
  border-color:rgba(124,107,255,.28);color:#A99BFF}
.card__icon--amber{background:linear-gradient(150deg,rgba(247,185,62,.18),rgba(255,107,129,.08));
  border-color:rgba(247,185,62,.26);color:var(--amber)}
.card__num{font-family:var(--font-mono);font-size:.78rem;font-weight:650;color:var(--signal);
  letter-spacing:.1em;margin-bottom:14px;display:block}
.card--feature{padding:32px 30px}
.card--flat{background:rgba(255,255,255,.025)}
.card--flat:hover{transform:none}

.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hairline-soft);
  border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--ink-850);padding:34px 26px;text-align:center;transition:background .35s var(--ease)}
.stat:hover{background:var(--ink-800)}
.stat__k{font-family:var(--font-mono);font-weight:650;line-height:1;
  font-size:clamp(2rem,3.6vw,2.9rem);background:var(--grad-signal);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.04em}
.stat__l{font-size:.82rem;color:var(--text-low);margin-top:11px;line-height:1.45}

.marquee{position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;gap:14px;width:max-content;animation:scroll 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.carrier-chip{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;white-space:nowrap;
  border:1px solid var(--hairline);border-radius:var(--r-pill);background:rgba(255,255,255,.028);
  font-size:.875rem;font-weight:600;color:var(--text-mid);letter-spacing:-.01em}
.carrier-chip i{width:5px;height:5px;border-radius:50%;background:var(--signal-dim);flex:none}

.quote{display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(255,255,255,.048),rgba(255,255,255,.012));
  border:1px solid var(--hairline);border-radius:var(--r-lg);padding:30px 28px;
  transition:border-color .35s var(--ease),transform .35s var(--ease)}
.quote:hover{border-color:rgba(0,217,163,.26);transform:translateY(-3px)}
.quote__mark{font-size:2.4rem;line-height:.6;color:var(--signal);opacity:.45;
  margin-bottom:16px;font-family:Georgia,serif}
.quote p{font-size:.96rem;color:var(--text-hi);line-height:1.62;flex:1}
.quote__who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:20px;
  border-top:1px solid var(--hairline-soft)}
.quote__avatar{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(0,217,163,.28),rgba(124,107,255,.28));
  border:1px solid var(--hairline);font-size:.78rem;font-weight:700;color:var(--text-hi);letter-spacing:-.02em}
.quote__name{font-size:.875rem;font-weight:620;color:var(--text-hi)}
.quote__role{font-size:.765rem;color:var(--text-low)}

.cta-banner{position:relative;overflow:hidden;border:1px solid rgba(0,217,163,.25);
  border-radius:var(--r-xl);padding:clamp(44px,6vw,76px) clamp(28px,5vw,68px);text-align:center;
  background:
    radial-gradient(700px 320px at 15% 0%,rgba(0,217,163,.16),transparent 70%),
    radial-gradient(600px 340px at 88% 100%,rgba(124,107,255,.18),transparent 70%),
    linear-gradient(160deg,rgba(16,23,40,.9),rgba(7,10,18,.94))}
.cta-banner h2{margin-bottom:16px}
.cta-banner .lede{margin:0 auto 30px}
.cta-banner__fine{margin-top:22px;font-size:.8rem;color:var(--text-low)}

/* ---------- 8. Components ------------------------------------------------ */
.tabs__list{display:flex;flex-wrap:wrap;gap:8px;padding:7px;margin:0 auto 34px;
  background:rgba(255,255,255,.03);border:1px solid var(--hairline);
  border-radius:var(--r-pill);width:fit-content;max-width:100%}
.tabs__btn{padding:11px 22px;border:0;border-radius:var(--r-pill);background:transparent;
  color:var(--text-mid);font-family:inherit;font-size:.885rem;font-weight:570;cursor:pointer;
  white-space:nowrap;transition:background .3s var(--ease),color .3s var(--ease)}
.tabs__btn:hover{color:var(--text-hi)}
.tabs__btn[aria-selected="true"]{background:var(--grad-signal);color:#032018;font-weight:640;
  box-shadow:0 4px 18px -6px rgba(0,217,163,.55)}
.tabs__panel{display:none}
.tabs__panel.is-active{display:block;animation:fadeUp .45s var(--ease-out)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.feature-list{list-style:none;padding:0;margin:24px 0 0}
.feature-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px solid var(--hairline-soft);font-size:.93rem;color:var(--text-mid)}
.feature-list li:last-child{border-bottom:0}
.feature-list li::before{content:"";flex:none;margin-top:7px;width:15px;height:15px;border-radius:50%;
  background:rgba(0,217,163,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D9A3' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/9px no-repeat}
.feature-list li strong{color:var(--text-hi);font-weight:620}

.acc{border-top:1px solid var(--hairline-soft)}
.acc__item{border-bottom:1px solid var(--hairline-soft)}
.acc__btn{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  padding:22px 4px;text-align:left;background:none;border:0;cursor:pointer;font-family:inherit;
  font-size:1.02rem;font-weight:600;color:var(--text-hi);letter-spacing:-.015em;transition:color .25s}
.acc__btn:hover{color:var(--signal)}
.acc__btn i{flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--hairline);
  position:relative;transition:transform .35s var(--ease),border-color .3s,background .3s}
.acc__btn i::before,.acc__btn i::after{content:"";position:absolute;inset:0;margin:auto;
  background:var(--text-mid);transition:opacity .3s,background .3s}
.acc__btn i::before{width:10px;height:1.5px}
.acc__btn i::after{width:1.5px;height:10px}
.acc__btn[aria-expanded="true"] i{transform:rotate(180deg);background:rgba(0,217,163,.14);
  border-color:rgba(0,217,163,.4)}
.acc__btn[aria-expanded="true"] i::after{opacity:0}
.acc__btn[aria-expanded="true"] i::before{background:var(--signal)}
.acc__panel{max-height:0;overflow:hidden;transition:max-height .42s var(--ease)}
.acc__panel>div{padding:0 4px 24px;font-size:.935rem;color:var(--text-mid);max-width:74ch}

.table-wrap{border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;background:rgba(10,14,26,.6)}
.cmp{width:100%;border-collapse:collapse;font-size:.9rem}
.cmp th,.cmp td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--hairline-soft)}
.cmp thead th{font-size:.74rem;font-weight:650;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-low);background:rgba(255,255,255,.028)}
.cmp thead th.is-us{color:var(--signal);background:rgba(0,217,163,.07)}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:hover{background:rgba(255,255,255,.017)}
.cmp td:first-child{color:var(--text-hi);font-weight:560}
.cmp td.is-us{background:rgba(0,217,163,.045);color:var(--text-hi);
  border-left:1px solid rgba(0,217,163,.14);border-right:1px solid rgba(0,217,163,.14)}
.cmp .yes{color:var(--signal);font-weight:600}
.cmp .no{color:var(--text-low)}
.cmp .partial{color:var(--amber)}

.calc{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--hairline);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg);
  background:linear-gradient(160deg,rgba(16,23,40,.92),rgba(7,10,18,.95))}
.calc__inputs{padding:clamp(28px,3.5vw,44px);border-right:1px solid var(--hairline-soft)}
.calc__output{padding:clamp(28px,3.5vw,44px);display:flex;flex-direction:column;
  background:radial-gradient(520px 300px at 80% 0%,rgba(0,217,163,.15),transparent 70%),rgba(255,255,255,.02)}
.field{margin-bottom:26px}
.field:last-child{margin-bottom:0}
.field__top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:12px}
.field label{font-size:.875rem;font-weight:570;color:var(--text-hi)}
.field__val{font-family:var(--font-mono);font-size:.95rem;font-weight:650;color:var(--signal);
  background:rgba(0,217,163,.1);padding:3px 11px;border-radius:7px}
.field__hint{font-size:.755rem;color:var(--text-low);margin-top:9px}
input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:5px;
  border-radius:4px;background:var(--ink-600);outline:none;cursor:pointer}
input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:19px;height:19px;
  border-radius:50%;background:var(--grad-signal);border:3px solid var(--ink-900);
  box-shadow:0 0 0 1px rgba(0,217,163,.5),0 3px 12px rgba(0,217,163,.45);
  cursor:grab;transition:transform .2s var(--ease)}
input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.18)}
input[type="range"]::-moz-range-thumb{width:19px;height:19px;border-radius:50%;
  border:3px solid var(--ink-900);background:#00D9A3;box-shadow:0 0 0 1px rgba(0,217,163,.5);cursor:grab}
.seg{display:flex;gap:6px;padding:5px;background:rgba(255,255,255,.03);
  border:1px solid var(--hairline);border-radius:12px}
.seg button{flex:1;padding:9px 8px;border:0;border-radius:8px;background:transparent;
  color:var(--text-mid);font-family:inherit;font-size:.8rem;font-weight:570;cursor:pointer;
  transition:background .25s,color .25s}
.seg button[aria-pressed="true"]{background:rgba(0,217,163,.16);color:var(--signal)}
.calc__headline{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--text-low);font-weight:640}
.calc__big{font-family:var(--font-mono);font-weight:700;letter-spacing:-.05em;line-height:1;
  font-size:clamp(2.6rem,6vw,4rem);background:var(--grad-signal);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:14px 0 6px}
.calc__sub{font-size:.88rem;color:var(--text-mid)}
.calc__break{margin-top:auto;padding-top:26px}
.calc__line{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;
  border-top:1px solid var(--hairline-soft);font-size:.865rem}
.calc__line span{color:var(--text-mid)}
.calc__line b{font-family:var(--font-mono);color:var(--text-hi);font-weight:600}
.calc__disclaimer{font-size:.72rem;color:var(--text-low);margin-top:20px;line-height:1.55}

.steps{display:grid;gap:0;position:relative}
.step{display:grid;grid-template-columns:60px 1fr;gap:22px;padding:26px 0;
  border-bottom:1px solid var(--hairline-soft);align-items:start}
.step:last-child{border-bottom:0}
.step__n{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:.95rem;font-weight:650;
  background:linear-gradient(150deg,rgba(0,217,163,.16),rgba(124,107,255,.1));
  border:1px solid rgba(0,217,163,.24);color:var(--signal)}
.step h3{margin-bottom:7px;font-size:1.14rem}
.step p{font-size:.92rem;margin:0}
.step__time{font-family:var(--font-mono);font-size:.74rem;color:var(--text-low);margin-top:9px;display:block}

.form{display:grid;gap:17px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form label{display:block;font-size:.82rem;font-weight:570;color:var(--text-hi);margin-bottom:7px}
.form input,.form select,.form textarea{width:100%;padding:13px 15px;background:rgba(255,255,255,.035);
  border:1px solid var(--hairline);border-radius:11px;color:var(--text-hi);
  font-family:inherit;font-size:.92rem;transition:border-color .25s,background .25s}
.form input::placeholder,.form textarea::placeholder{color:var(--text-low)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;
  border-color:rgba(0,217,163,.5);background:rgba(0,217,163,.045)}
.form select{appearance:none;padding-right:40px;background-repeat:no-repeat;
  background-position:right 14px center;background-size:15px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236C7A94' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E")}
.form select option{background:var(--ink-800);color:var(--text-hi)}
.form textarea{resize:vertical;min-height:110px}
.form__note{font-size:.755rem;color:var(--text-low);line-height:1.55}
.form__success{display:none;padding:18px 22px;border-radius:var(--r-md);
  background:rgba(0,217,163,.09);border:1px solid rgba(0,217,163,.3);
  color:var(--text-hi);font-size:.92rem}
.form__success.is-shown{display:block}

.plan{position:relative;display:flex;flex-direction:column;
  background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--hairline);border-radius:var(--r-lg);padding:32px 28px;
  transition:transform .35s var(--ease),border-color .35s var(--ease)}
.plan:hover{transform:translateY(-4px);border-color:rgba(0,217,163,.28)}
.plan--featured{border-color:rgba(0,217,163,.42);box-shadow:0 24px 70px -30px rgba(0,217,163,.5);
  background:radial-gradient(420px 260px at 50% 0%,rgba(0,217,163,.14),transparent 70%),
    linear-gradient(170deg,rgba(255,255,255,.055),rgba(255,255,255,.015))}
.plan__badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:var(--grad-signal);color:#032018;padding:4px 14px;border-radius:var(--r-pill);
  font-size:.68rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap}
.plan__name{font-size:1.08rem;font-weight:650;color:var(--text-hi);letter-spacing:-.02em}
.plan__for{font-size:.82rem;color:var(--text-low);margin-top:5px}
.plan__price{margin:22px 0 6px;font-family:var(--font-mono);font-size:2.1rem;font-weight:650;
  color:var(--text-hi);letter-spacing:-.045em;line-height:1}
.plan__price small{font-size:.82rem;font-weight:400;color:var(--text-low);
  font-family:var(--font-sans);letter-spacing:0}
.plan__unit{font-size:.8rem;color:var(--text-low);margin-bottom:24px}
.plan .feature-list{margin-top:0;flex:1}
.plan .feature-list li{font-size:.875rem;padding:9px 0}
.plan .btn{margin-top:26px}

.role{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:26px;
  border-radius:var(--r-lg);border:1px solid var(--hairline);background:rgba(255,255,255,.025);
  transition:border-color .35s,background .35s,transform .35s var(--ease)}
.role:hover{border-color:rgba(0,217,163,.3);background:rgba(255,255,255,.04);transform:translateY(-3px)}
.role h3{font-size:1.06rem;margin-bottom:6px}
.role p{font-size:.9rem;margin:0 0 14px}
.role__pain{display:block;font-size:.78rem;color:var(--rose);padding:8px 12px;border-radius:9px;
  background:rgba(255,107,129,.07);border-left:2px solid rgba(255,107,129,.4)}

.note{border-left:3px solid var(--signal);background:rgba(0,217,163,.055);padding:18px 22px;
  border-radius:0 var(--r-md) var(--r-md) 0;font-size:.92rem;color:var(--text-mid)}
.note strong{color:var(--text-hi)}
.note--amber{border-left-color:var(--amber);background:rgba(247,185,62,.06)}

.page-head{padding:142px 0 clamp(40px,5vw,64px)}
.page-head h1{font-size:clamp(2.2rem,4.6vw,3.5rem)}
.breadcrumb{font-size:.8rem;color:var(--text-low);margin-bottom:20px}
.breadcrumb a{color:var(--text-low);text-decoration:none}
.breadcrumb a:hover{color:var(--signal)}

/* ---------- 9. Footer ---------------------------------------------------- */
.footer{border-top:1px solid var(--hairline-soft);padding:clamp(52px,6vw,78px) 0 32px;
  margin-top:clamp(40px,6vw,80px);
  background:linear-gradient(180deg,transparent,rgba(7,10,18,.9))}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:40px 30px;margin-bottom:44px}
.footer__about{max-width:320px}
.footer__about p{font-size:.87rem;color:var(--text-low);margin:18px 0 20px}
.footer h5{font-size:.72rem;font-weight:650;letter-spacing:.13em;text-transform:uppercase;
  color:var(--text-low);margin:0 0 16px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:10px}
.footer a{font-size:.875rem;color:var(--text-mid);text-decoration:none;transition:color .2s}
.footer a:hover{color:var(--signal)}
.footer__bottom{display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;
  justify-content:space-between;padding-top:26px;border-top:1px solid var(--hairline-soft);
  font-size:.8rem;color:var(--text-low)}
.footer__social{display:flex;gap:9px}
.footer__social a{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--hairline);color:var(--text-mid);
  transition:color .25s,border-color .25s,transform .25s var(--ease)}
.footer__social a:hover{color:var(--signal);border-color:rgba(0,217,163,.4);transform:translateY(-2px)}

/* ---------- 10. Motion --------------------------------------------------- */
[data-reveal]{opacity:0;transform:translateY(24px);
  transition:opacity .75s var(--ease-out),transform .75s var(--ease-out);
  transition-delay:var(--d,0ms);will-change:opacity,transform}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  [data-reveal]{opacity:1;transform:none}
}

/* ---------- 11. Responsive ----------------------------------------------- */
@media (max-width:1080px){
  .nav__links{display:none}
  .nav__actions .btn--ghost{display:none}
  .nav__toggle{display:grid}
  .footer__grid{grid-template-columns:1fr 1fr 1fr}
  .footer__about{grid-column:1/-1;max-width:460px}
}
@media (max-width:920px){
  .hero{padding-top:124px}
  .hero__grid{grid-template-columns:1fr;gap:46px}
  .split,.split--wide-left{grid-template-columns:1fr;gap:36px}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .calc{grid-template-columns:1fr}
  .calc__inputs{border-right:0;border-bottom:1px solid var(--hairline-soft)}
  .float-card--br{right:8px;bottom:-18px}
  .table-wrap{overflow-x:auto}
  .cmp{min-width:660px}
}
@media (max-width:640px){
  :root{--gutter:18px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .form__row{grid-template-columns:1fr}
  .btn-row .btn{width:100%}
  .tabs__list{width:100%;border-radius:var(--r-md)}
  .tabs__btn{flex:1 1 auto;padding-inline:14px;font-size:.82rem}
  .step{grid-template-columns:1fr;gap:14px}
  .hero__proof{flex-direction:column;gap:9px}
  .float-card{display:none}
}

/* ==========================================================================
   12. Forecast comparison slider
   ========================================================================== */
.compare {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(16,23,40,.94), rgba(7,10,18,.96));
  box-shadow: var(--shadow-lg);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.compare__stage { position: relative; }
.compare__layer { display: block; width: 100%; height: auto; }
.compare__layer--after {
  position: absolute; inset: 0;
  clip-path: inset(0 0 0 var(--split, 50%));
  -webkit-clip-path: inset(0 0 0 var(--split, 50%));
}

/* Chart primitives */
.ch-h1 { fill: var(--text-hi); font-family: var(--font-sans); font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.ch-h2 { fill: var(--text-low); font-family: var(--font-sans); font-size: 14px; font-weight: 450; }

.ch-gridset line { stroke: rgba(255,255,255,.055); stroke-width: 1; }
.ch-axis  { stroke: rgba(255,255,255,.2); stroke-width: 1.5; }
.ch-ylab2 text, .ch-xlab text { fill: var(--text-low); font-family: var(--font-sans); font-size: 14px; font-weight: 500; }

/* Before: flat / drifting projection */
.ch-flat {
  fill: none; stroke: #E8ECF5; stroke-width: 7;
  stroke-linejoin: round; stroke-linecap: round;
}

/* After: optimised descending curve */
.ch-curve {
  fill: none; stroke-width: 7;
  stroke-linejoin: round; stroke-linecap: round;
  filter: drop-shadow(0 0 14px rgba(25,203,164,.4));
}
.ch-anchor circle { fill: var(--ink-900); stroke: #19CBA4; stroke-width: 3; }

/* Milestone callout bubbles */
.ch-bubble {
  fill: #0B111D;
  stroke: rgba(35,214,172,.55); stroke-width: 1.5;
  filter: drop-shadow(0 6px 22px rgba(0,0,0,.75));
}
.ch-tail { fill: #0B111D; stroke: rgba(35,214,172,.55); stroke-width: 1.5;
  stroke-linecap: butt; stroke-linejoin: miter; }
.ch-ctext {
  fill: #FFFFFF; font-family: var(--font-sans);
  font-size: 14px; font-weight: 600; letter-spacing: -.012em;
}
.ch-ctext--brand { fill: #23D6AC; font-weight: 700; }

.ch-endnote { font-family: var(--font-mono); font-size: 13px; font-weight: 600; }
.ch-endnote--bad  { fill: #FF7D90; }
.ch-endnote--good { fill: #23D6AC; }

/* Divider handle */
.compare__divider {
  position: absolute; top: 0; bottom: 0;
  left: var(--split, 50%);
  width: 2px; margin-left: -1px;
  background: linear-gradient(180deg, transparent, #17A94F 10%, #17A94F 90%, transparent);
  width: 3px; margin-left: -1.5px;
  pointer-events: none;
  z-index: 3;
}
.compare__handle {
  position: absolute; top: 50%; left: var(--split, 50%);
  transform: translate(-50%, -50%);
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; gap: 3px;
  grid-auto-flow: column;
  background: rgba(4,6,12,.92);
  border: 1.5px solid #17A94F;
  background: #17A94F;
  box-shadow: 0 0 0 6px rgba(23,169,79,.18), 0 8px 26px -6px rgba(0,0,0,.8);
  cursor: ew-resize;
  z-index: 4;
  padding: 0;
  color: #fff;
  transition: box-shadow .25s var(--ease), transform .12s var(--ease);
}
.compare__handle:hover { box-shadow: 0 0 0 11px rgba(23,169,79,.24), 0 8px 26px -6px rgba(0,0,0,.8); }
.compare__handle:active { cursor: grabbing; transform: translate(-50%,-50%) scale(.94); }
.compare__handle svg { width: 13px; height: 13px; }
.compare.is-dragging .compare__handle { transition: none; }

/* Edge-pinned Without / With labels — drawn inside the SVG so they
   scale with the chart and can never collide with axis labels or callouts. */
.ch-pill rect { filter: drop-shadow(0 6px 20px rgba(0,0,0,.8)); }
.ch-pill text {
  fill: #fff; font-family: var(--font-sans);
  font-size: 15px; font-weight: 700; letter-spacing: .01em;
}
.ch-pill--before rect { fill: #D81E4F; }
.ch-pill--after  rect { fill: #17A94F; }

.compare__hint {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 20px;
  border-top: 1px solid var(--hairline-soft);
  background: rgba(255,255,255,.022);
  font-size: .78rem; color: var(--text-low);
}
.compare__hint kbd {
  font-family: var(--font-mono); font-size: .72rem;
  padding: 2px 6px; border-radius: 5px;
  background: rgba(255,255,255,.06); border: 1px solid var(--hairline);
  color: var(--text-mid);
}

/* Forecast metric strip */
.fc-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.fc-metric {
  padding: 22px 24px; border-radius: var(--r-lg);
  border: 1px solid var(--hairline); background: rgba(255,255,255,.025);
}
.fc-metric__k {
  font-family: var(--font-mono); font-size: 1.85rem; font-weight: 700;
  letter-spacing: -.04em; line-height: 1; color: var(--signal);
}
.fc-metric__l { font-size: .87rem; color: var(--text-hi); font-weight: 570; margin-top: 10px; }
.fc-metric__d { font-size: .8rem; color: var(--text-low); margin-top: 5px; line-height: 1.5; }

@media (max-width: 760px) {
  .fc-metrics { grid-template-columns: 1fr; gap: 12px; }
  .compare__handle { width: 42px; height: 42px; }
}

/* Milestone callouts fade in, staggered along the curve */
.ch-callout { opacity: 0; animation: calloutIn .6s var(--ease-out) forwards; }
.ch-callout:nth-of-type(1) { animation-delay: .35s; }
.ch-callout:nth-of-type(2) { animation-delay: .55s; }
.ch-callout:nth-of-type(3) { animation-delay: .75s; }
.ch-callout:nth-of-type(4) { animation-delay: .95s; }
@keyframes calloutIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ch-callout { opacity: 1; animation: none; } }

/* Leader lines from the curve down to each milestone bubble */
.ch-leader line {
  stroke: rgba(35,214,172,.4);
  stroke-width: 1.5;
  stroke-dasharray: 3 5;
}

/* Key months highlighted where a milestone attaches */
.ch-xlab text.is-key { fill: #23D6AC; font-weight: 700; }
/* Caption in the milestone band on the Before side */
.ch-bandnote { fill: var(--text-low); font-family: var(--font-sans); font-size: 15px; font-style: italic; }

/* Axis value labels sit inside the plot, clear of the edge-pinned pills */
.ch-ylab2 text { font-size: 13px; font-weight: 600; fill: var(--text-low); opacity: .9; }

/* Cumulative reduction markers on the optimised curve */
.ch-pct text {
  fill: #23D6AC; font-family: var(--font-mono);
  font-size: 13px; font-weight: 700; letter-spacing: -.02em;
}

/* ==========================================================================
   13. Busy Hour Traffic — PRI / SIP right-sizing
   ========================================================================== */
.pri { display: grid; gap: 20px; }
.pri__panel {
  background: linear-gradient(165deg, rgba(16,23,40,.9), rgba(7,10,18,.94));
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.pri__panel--pad { padding: 26px 26px 28px; }

.pri__head {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--hairline-soft);
}
.pri__head h3 { margin: 0; font-size: 1rem; letter-spacing: -.015em; }
.pri__site { font-family: var(--font-mono); font-size: .76rem; color: var(--text-low); }
.pri__legend { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; }
.pri__legend span,
.donut figcaption span {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .76rem; color: var(--text-mid);
}
.sw { width: 11px; height: 11px; border-radius: 3px; flex: none; }
.sw--used  { background: #19CBA4; }
.sw--total { background: #FF6B81; }
.sw--spare { background: rgba(255,255,255,.16); }
.sw--save  { background: #17A94F; }

.pri__chart { width: 100%; height: auto; padding: 14px 10px 6px; }
.pri__plotbg { fill: rgba(255,255,255,.028); }
.pri__grid line { stroke: rgba(255,255,255,.06); stroke-width: 1; }
.pri__ylab text, .pri__xlab text {
  fill: var(--text-low); font-family: var(--font-sans); font-size: 11px; font-weight: 500;
}
.pri__axis-title { fill: var(--text-low); font-family: var(--font-sans); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.pri__waste { fill: rgba(255,107,129,.07); transition: y .45s var(--ease), height .45s var(--ease); }
.pri__area { fill: url(#priFill); }
.pri__line { fill: none; stroke: #19CBA4; stroke-width: 2.4; stroke-linejoin: round; stroke-linecap: round; }
.pri__total { stroke: #FF6B81; stroke-width: 2.2; transition: y1 .45s var(--ease), y2 .45s var(--ease); }
.pri__total-lab { fill: #FF8DA0; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; transition: y .45s var(--ease); }
.pri__need { stroke: #23D6AC; stroke-width: 1.8; stroke-dasharray: 6 5; transition: y1 .45s var(--ease), y2 .45s var(--ease); }
.pri__need-lab { fill: #23D6AC; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; transition: y .45s var(--ease); }

.pri__grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pri__sub {
  margin: 0 0 20px; font-size: .74rem; font-weight: 650;
  letter-spacing: .13em; text-transform: uppercase; color: var(--text-low);
}

.pri__tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 26px; }
.pri__tile {
  padding: 14px 15px; border-radius: var(--r-md);
  background: rgba(255,255,255,.03); border: 1px solid var(--hairline-soft);
}
.pri__tile span { display: block; font-size: .7rem; color: var(--text-low); letter-spacing: .02em; }
.pri__tile b {
  display: block; margin-top: 6px;
  font-family: var(--font-mono); font-size: 1.12rem; font-weight: 650;
  color: var(--text-hi); letter-spacing: -.03em;
}
.pri__tile b.is-good { color: var(--signal); }
.pri__tile em { display: block; margin-top: 3px; font-size: .68rem; font-style: normal; color: var(--text-low); }

.pri__donuts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.donut { margin: 0; text-align: center; }
.donut svg { width: 100%; max-width: 176px; height: auto; margin-inline: auto; }
.donut__track { fill: none; stroke: rgba(23,169,79,.85); stroke-width: 16; }
.donut__seg   { fill: none; stroke: #1D2C63; stroke-width: 16; stroke-linecap: butt;
                transition: stroke-dasharray .5s var(--ease); }
.donut__cap { fill: var(--text-hi); font-family: var(--font-sans); font-size: 12.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.donut__cap--sub { fill: var(--text-low); font-size: 11px; font-weight: 550; letter-spacing: .02em; text-transform: none; }
.donut__big { fill: var(--signal); font-family: var(--font-mono); font-size: 16px; font-weight: 700; letter-spacing: -.03em; }
.donut figcaption { display: grid; gap: 6px; margin-top: 14px; justify-content: center; }
.donut figcaption b { color: var(--text-hi); font-family: var(--font-mono); font-weight: 600; margin-left: 3px; }

.pri__verdict {
  margin-top: 24px; padding: 16px 18px;
  border-left: 3px solid var(--signal); border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(0,217,163,.06);
  font-size: .9rem; color: var(--text-mid);
}
.pri__verdict strong { display: block; color: var(--text-hi); margin-bottom: 4px; }

@media (max-width: 900px) {
  .pri__grid2 { grid-template-columns: 1fr; }
  .pri__tiles { grid-template-columns: repeat(2, 1fr); }
  .pri__legend { margin-left: 0; width: 100%; }
}
@media (max-width: 560px) {
  .pri__tiles, .pri__donuts { grid-template-columns: 1fr; }
}

/* ==========================================================================
   14. The ownership gap — why telecom has no natural owner
   ========================================================================== */
.orphan { margin-bottom: clamp(38px, 5vw, 58px); }
.orphan__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.orphan__col {
  position: relative;
  padding: 26px 24px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(255,255,255,.04), rgba(255,255,255,.012));
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}
.orphan__col:hover { border-color: rgba(255,107,129,.32); transform: translateY(-3px); }

.orphan__role {
  display: inline-block; margin-bottom: 14px;
  font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  color: var(--text-low);
}
.orphan__quote {
  margin: 0 0 14px;
  font-size: clamp(1.12rem, 1.6vw, 1.32rem); font-weight: 620;
  letter-spacing: -.025em; line-height: 1.28; color: var(--text-hi);
}
.orphan__quote em { font-style: normal; color: var(--rose); }
.orphan__body { margin: 0 0 18px; font-size: .89rem; color: var(--text-mid); }
.orphan__hand {
  display: inline-flex; align-items: center; gap: 7px;
  padding-top: 14px; border-top: 1px solid var(--hairline-soft); width: 100%;
  font-family: var(--font-mono); font-size: .73rem; color: var(--text-low);
}
.orphan__hand::after { content: "\2192"; }

.orphan__join { display: block; width: 100%; height: 76px; }
.orphan__join path {
  stroke: rgba(255,107,129,.4); stroke-width: 1.5; fill: none;
  stroke-dasharray: 4 5; stroke-linecap: round;
}
.orphan__join path + path { stroke-dasharray: none; }

.orphan__verdict {
  margin: 0; padding: clamp(26px, 3.5vw, 38px) clamp(24px, 4vw, 46px);
  border: 1px solid rgba(255,107,129,.26);
  border-radius: var(--r-xl);
  background:
    radial-gradient(620px 260px at 50% 0%, rgba(255,107,129,.11), transparent 70%),
    linear-gradient(160deg, rgba(16,23,40,.9), rgba(7,10,18,.94));
  text-align: center;
  font-size: clamp(1.35rem, 2.5vw, 1.95rem); font-weight: 650;
  letter-spacing: -.03em; line-height: 1.25; color: var(--text-hi);
}
.orphan__verdict span {
  display: block; max-width: 68ch; margin: 16px auto 0;
  font-size: .95rem; font-weight: 400; letter-spacing: normal;
  line-height: 1.62; color: var(--text-mid);
}

@media (max-width: 900px) {
  .orphan__cols { grid-template-columns: 1fr; }
  /* Stacked cards read fine without the converging rail */
  .orphan__join { display: none; }
  .orphan__verdict { margin-top: 22px; }
}

/* ==========================================================================
   16. Mobile: chart legibility
   Charts authored at desktop scale render their labels at 3–5px on a phone.
   Below 760px the PRI chart becomes pannable, and the comparison chart drops
   its dense annotation layer in favour of a readable text list.
   ========================================================================== */
.pri__chartwrap { width: 100%; }
.compare__steps { display: none; }

@media (max-width: 760px) {
  /* PRI utilisation: pan horizontally at a legible size */
  .pri__chartwrap {
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }
  .pri__chart { min-width: 880px; }
  .pri__chartwrap::-webkit-scrollbar { height: 6px; }
  .pri__chartwrap::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 4px; }

  /* Comparison chart: enlarge everything that stays, drop what cannot scale */
  .ch-h1 { font-size: 34px; }
  .ch-h2 { font-size: 30px; }
  .ch-ylab2 text { font-size: 30px; }
  .ch-xlab text  { font-size: 30px; }
  .ch-endnote { font-size: 28px; }
  .ch-pct text { font-size: 32px; }
  .ch-bandnote { font-size: 28px; }
  /* the pills are a rect + text pair, so scale the group rather than the type:
     enlarging the label alone would overflow the badge */
  .ch-pill--before { transform: scale(2); transform-origin: 0px 295px; }
  .ch-pill--after  { transform: scale(2); transform-origin: 960px 295px; }
  .ch-callout, .ch-leader { display: none; }
  /* thin out month labels so they do not collide at the larger size */
  .ch-xlab text:nth-of-type(3n+2),
  .ch-xlab text:nth-of-type(3n+3) { display: none; }

  /* the milestones the bubbles used to carry */
  .compare__steps {
    display: grid; gap: 10px; list-style: none;
    margin: 0; padding: 16px 18px 20px;
    border-top: 1px solid var(--hairline-soft);
  }
  .compare__steps li {
    display: grid; grid-template-columns: auto 1fr auto; gap: 10px;
    align-items: baseline; font-size: .84rem; color: var(--text-mid);
  }
  .compare__steps span {
    font-family: var(--font-mono); font-size: .72rem; font-weight: 700;
    color: var(--signal); min-width: 30px;
  }
  .compare__steps b { font-family: var(--font-mono); color: var(--signal); font-weight: 700; }
}

@media (max-width: 560px) {
  .console__body { padding: 14px 12px 16px; }
  .audit-row { gap: 10px; padding: 10px; }
  .audit-row__label { font-size: .8rem; }
  .audit-row__value { font-size: .78rem; }
  .pri__head { padding: 14px 16px 12px; }
  .compare__hint { font-size: .72rem; padding: 11px 14px; }
}

/* Touch devices: raise small controls to a comfortable tap target.
   Scoped to coarse pointers so desktop density is unaffected. */
@media (pointer: coarse) {
  .btn--sm { padding: 13px 20px; }
  .tabs__btn { padding: 14px 22px; }
  .seg button { padding: 13px 10px; }
  .acc__btn { padding-block: 20px; }
  .nav__mobile-link { padding-block: 19px; }
  .compare__handle { width: 54px; height: 54px; }
  .compare__handle svg { width: 15px; height: 15px; }
  input[type="range"] { height: 8px; }
  input[type="range"]::-webkit-slider-thumb { width: 26px; height: 26px; }
  input[type="range"]::-moz-range-thumb { width: 26px; height: 26px; }
}