/* =========================================================
   IRTG — Corporate-tech / cabinet de conseil
   Navy · Ambre · gris froid — Plus Jakarta Sans + IBM Plex Mono
   ========================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Plus Jakarta Sans",ui-sans-serif,system-ui,sans-serif;
  line-height:1.6;color:var(--navy);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
input,textarea,select{font:inherit;color:inherit}
[hidden]{display:none!important}

:root{
  --bg:       #F5F7FA;
  --surface:  #FFFFFF;
  --navy:     #0B1F3A;
  --navy-2:   #14304F;
  --slate:    #5A6B82;
  --slate-2:  #8694A8;
  --line:     #E2E8F0;
  --line-2:   #CBD5E1;
  --amber:    #F2A33C;
  --amber-d:  #DB8A1F;
  --teal:     #2DA9A0;
  --ink-on:   #DCE6F2;

  --container: 1200px;
  --pad:       28px;
  --r:         10px;
  --r-sm:      6px;
}

::selection{background:var(--amber);color:var(--navy)}
.mono{font-family:"IBM Plex Mono",monospace}

.container{max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
@media(max-width:600px){:root{--pad:18px}}

/* ============ TYPO ============ */
h1,h2,h3,h4{font-weight:700;line-height:1.08;letter-spacing:-.02em;color:var(--navy)}
.h-display{font-size:clamp(40px,6.4vw,76px);font-weight:800;letter-spacing:-.03em;line-height:1.02}
h1{font-size:clamp(34px,5vw,58px);font-weight:800}
h2{font-size:clamp(28px,3.8vw,44px)}
h3{font-size:clamp(19px,2vw,24px);font-weight:700}
p{font-size:16.5px;line-height:1.65;color:var(--slate);max-width:64ch}
.lead{font-size:clamp(18px,2vw,22px);line-height:1.55;color:var(--navy-2);max-width:46ch;font-weight:500}

.tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"IBM Plex Mono",monospace;font-size:12px;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;color:var(--amber-d);
  background:rgba(242,163,60,.1);border:1px solid rgba(242,163,60,.3);
  padding:6px 12px;border-radius:100px;margin-bottom:22px;
}
.tag--navy{color:var(--slate);background:#fff;border-color:var(--line)}

/* ============ SECTIONS ============ */
.sect{padding:104px 0}
.sect--sm{padding:64px 0}
@media(max-width:760px){.sect{padding:72px 0}}
.bg-navy{background:var(--navy);color:var(--ink-on)}
.bg-navy h1,.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy p{color:rgba(220,230,242,.72)}
.bg-surface{background:var(--surface)}
.sep{height:1px;background:var(--line);border:0}

/* ============ TOPBAR ============ */
.topbar{position:sticky;top:0;z-index:60;background:rgba(245,247,250,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px}
.brand__mark{display:flex;align-items:flex-end;gap:2.5px;height:22px}
.brand__mark i{width:4px;background:var(--amber);border-radius:1px;display:block}
.brand__mark i:nth-child(1){height:9px}
.brand__mark i:nth-child(2){height:15px}
.brand__mark i:nth-child(3){height:22px}
.brand__name{font-weight:800;font-size:21px;letter-spacing:-.02em;color:var(--navy)}
.mainnav{display:flex;gap:32px}
.mainnav__link{font-size:15px;font-weight:600;color:var(--slate);transition:color .2s;position:relative}
.mainnav__link:hover,.mainnav__link.is-active{color:var(--navy)}
.mainnav__link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-26px;height:2px;background:var(--amber)}
.topbar__actions{display:flex;align-items:center;gap:14px}
.cartbtn{position:relative;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line-2);border-radius:var(--r-sm);color:var(--navy);transition:.2s}
.cartbtn:hover{border-color:var(--navy);background:#fff}
.cartbtn__n{position:absolute;top:-7px;right:-7px;min-width:18px;height:18px;padding:0 5px;background:var(--amber);color:var(--navy);font-size:11px;font-weight:700;border-radius:9px;display:flex;align-items:center;justify-content:center}
.navtoggle{display:none;flex-direction:column;gap:4px;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--line-2);border-radius:var(--r-sm)}
.navtoggle span{width:16px;height:2px;background:var(--navy);transition:.25s}
.navtoggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.navtoggle.is-open span:nth-child(2){opacity:0}
.navtoggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:880px){
  .mainnav{position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:6px var(--pad);max-height:0;overflow:hidden;transition:max-height .3s}
  .mainnav.is-open{max-height:320px}
  .mainnav__link{padding:15px 0;border-bottom:1px solid var(--line);font-size:17px}
  .mainnav__link.is-active::after{display:none}
  .navtoggle{display:flex}.hide-mobile{display:none}
}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;font-size:15px;font-weight:700;border-radius:var(--r-sm);transition:transform .18s,background .18s,color .18s,box-shadow .18s;border:1.5px solid transparent;letter-spacing:-.01em}
.btn--amber{background:var(--amber);color:var(--navy);border-color:var(--amber)}
.btn--amber:hover{background:var(--amber-d);border-color:var(--amber-d);transform:translateY(-2px);box-shadow:0 8px 20px -8px rgba(242,163,60,.7)}
.btn--navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn--navy:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn--outline{border-color:var(--line-2);color:var(--navy);background:#fff}
.btn--outline:hover{border-color:var(--navy)}
.btn--on-navy{background:#fff;color:var(--navy);border-color:#fff}
.btn--on-navy:hover{background:var(--amber);border-color:var(--amber)}
.btn--ghost-navy{border-color:rgba(255,255,255,.25);color:#fff}
.btn--ghost-navy:hover{border-color:#fff}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--lg{padding:17px 32px;font-size:16px}
.btn--block{display:flex;justify-content:center;width:100%}

/* ============ HERO ============ */
.hero{padding:84px 0 96px;position:relative;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.25fr .9fr;gap:56px;align-items:center}
@media(max-width:920px){.hero__grid{grid-template-columns:1fr;gap:44px}}
.hero p{font-size:18px;max-width:48ch;margin-top:24px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.hero__panel{background:var(--navy);border-radius:var(--r);padding:34px;color:#fff;position:relative;overflow:hidden}
.hero__panel::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;background:radial-gradient(circle,rgba(242,163,60,.32),transparent 70%)}
.hero__panel h4{color:#fff;font-size:14px;font-family:"IBM Plex Mono";font-weight:500;letter-spacing:.06em;color:var(--amber);margin-bottom:22px}
.kpi-row{display:flex;flex-direction:column;gap:18px}
.kpi{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}
.kpi:last-child{border-bottom:0;padding-bottom:0}
.kpi b{font-size:30px;font-weight:800;letter-spacing:-.02em}
.kpi span{font-size:13px;color:rgba(220,230,242,.6);max-width:18ch;text-align:right}

/* ============ STATS STRIP ============ */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
@media(max-width:760px){.strip{grid-template-columns:1fr 1fr}}
.strip__cell{background:var(--surface);padding:30px 26px}
.strip__cell b{font-size:32px;font-weight:800;color:var(--navy);letter-spacing:-.02em;display:block}
.strip__cell span{font-size:14px;color:var(--slate)}
.strip__cell .mono{color:var(--amber-d);font-size:13px}

/* ============ FEATURE GRID ============ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid-2--top{align-items:start}
@media(max-width:860px){.grid-2{grid-template-columns:1fr;gap:36px}}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:860px){.grid-3{grid-template-columns:1fr;gap:18px}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px -20px rgba(11,31,58,.4);border-color:var(--line-2)}
.card__ic{width:46px;height:46px;border-radius:var(--r-sm);background:rgba(242,163,60,.13);display:flex;align-items:center;justify-content:center;color:var(--amber-d);margin-bottom:20px;font-family:"IBM Plex Mono";font-weight:600}
.card h3{margin-bottom:10px}
.card p{font-size:15px}

/* ============ METHOD STEPS ============ */
.steps{display:flex;flex-direction:column}
.step{display:grid;grid-template-columns:auto 1fr;gap:32px;padding:34px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step__no{font-family:"IBM Plex Mono";font-size:14px;font-weight:600;color:var(--amber-d);padding-top:6px}
.step h3{margin-bottom:8px}
.bg-navy .step{border-color:rgba(255,255,255,.12)}
.bg-navy .step__no{color:var(--amber)}

/* ============ OFFERS ============ */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:980px){.offers{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.offers{grid-template-columns:1fr}}
.offer{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px;display:flex;flex-direction:column;position:relative;transition:transform .2s,box-shadow .2s,border-color .2s}
.offer:hover{transform:translateY(-5px);box-shadow:0 20px 44px -22px rgba(11,31,58,.45);border-color:var(--amber)}
.offer--best{border-color:var(--navy);box-shadow:0 0 0 1px var(--navy)}
.offer__flag{position:absolute;top:-11px;right:24px;background:var(--navy);color:#fff;font-family:"IBM Plex Mono";font-size:11px;font-weight:500;letter-spacing:.05em;padding:5px 12px;border-radius:100px}
.offer__cat{font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--amber-d);margin-bottom:12px}
.offer__name{font-size:23px;font-weight:700;margin-bottom:8px}
.offer__tag{font-size:14.5px;color:var(--slate);margin-bottom:22px;min-height:42px}
.offer__meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chip{font-family:"IBM Plex Mono";font-size:12px;color:var(--slate);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:5px 10px}
.offer__price{display:flex;align-items:baseline;gap:8px;margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.offer__price b{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.offer__price span{font-size:13px;color:var(--slate-2)}
.offer__act{display:flex;gap:10px;margin-top:18px}

/* ============ OFFER DETAIL ============ */
.detail{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
@media(max-width:900px){.detail{grid-template-columns:1fr;gap:36px}}
.detail__hero{background:var(--navy);border-radius:var(--r);padding:42px;color:#fff;position:relative;overflow:hidden}
.detail__hero::after{content:"";position:absolute;right:-50px;bottom:-50px;width:200px;height:200px;background:radial-gradient(circle,rgba(242,163,60,.28),transparent 70%)}
.detail__big{font-size:64px;font-weight:800;color:var(--amber);letter-spacing:-.03em;line-height:1}
.deliver{list-style:none;display:flex;flex-direction:column;gap:0;margin:24px 0}
.deliver li{display:flex;gap:14px;font-size:16px;color:var(--navy-2);padding:14px 0;border-bottom:1px solid var(--line)}
.deliver li::before{content:"✓";color:var(--teal);font-weight:700}
.buybox{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px;position:sticky;top:96px}
.buybox__price{font-size:40px;font-weight:800;color:var(--navy);letter-spacing:-.03em}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line-2);border-radius:var(--r-sm);overflow:hidden}
.qty button{width:40px;height:46px;font-size:18px;font-weight:700;color:var(--navy)}
.qty button:hover{background:var(--bg)}
.qty input{width:46px;height:46px;text-align:center;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);background:transparent;font-weight:700}

/* ============ CART ============ */
.cartrow{display:grid;grid-template-columns:1fr auto auto auto;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
@media(max-width:640px){.cartrow{grid-template-columns:1fr auto;gap:12px}}
.cartrow__name{font-size:19px;font-weight:700}
.cartrow__cat{font-family:"IBM Plex Mono";font-size:12px;color:var(--amber-d);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}
.cartrow__price{font-size:18px;font-weight:700;white-space:nowrap}
.cartrow__rm{font-size:13px;color:var(--slate-2);text-decoration:underline}
.cartrow__rm:hover{color:var(--amber-d)}
.summary{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;position:sticky;top:96px}
.summary__row{display:flex;justify-content:space-between;padding:10px 0;font-size:15px;color:var(--slate)}
.summary__tot{display:flex;justify-content:space-between;align-items:baseline;padding-top:16px;margin-top:6px;border-top:2px solid var(--navy)}
.summary__tot b{font-size:28px;font-weight:800;color:var(--navy)}

/* ============ FORM ============ */
.form{display:flex;flex-direction:column;gap:20px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:640px){.form__row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--navy-2)}
.field input,.field textarea,.field select{background:#fff;border:1.5px solid var(--line-2);border-radius:var(--r-sm);padding:13px 15px;font-size:15.5px;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,163,60,.16)}
.field textarea{resize:vertical;min-height:130px}
.field--check{flex-direction:row;align-items:flex-start;gap:11px}
.field--check input{width:18px;height:18px;margin-top:3px;accent-color:var(--amber)}
.field--check label{font-weight:400;font-size:14px;color:var(--slate)}
.alert{padding:15px 18px;border-radius:var(--r-sm);font-size:15px;background:#fff;border-left:3px solid var(--teal);margin-bottom:22px}
.alert--ko{border-left-color:var(--amber-d);background:#fff7ec}

/* ============ LEGAL ============ */
.legal{max-width:760px;margin:0 auto}
.legal__meta{font-family:"IBM Plex Mono";font-size:13px;color:var(--slate-2);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:36px}
.legal h2{font-size:25px;margin:38px 0 12px}
.legal h3{font-size:18px;margin:26px 0 8px}
.legal p,.legal li{font-size:16px;line-height:1.75;color:var(--slate);margin-bottom:12px}
.legal ul{padding-left:22px;list-style:disc;margin-bottom:14px}
.legal strong{color:var(--navy)}
.legal a{color:var(--amber-d);text-decoration:underline;text-underline-offset:2px}

/* ============ COOKIE ============ */
.cookienote{position:fixed;bottom:20px;left:20px;right:20px;max-width:560px;margin:0 auto;background:var(--navy);color:#fff;border-radius:var(--r);padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;z-index:90;transform:translateY(160%);transition:transform .4s cubic-bezier(.2,.8,.2,1);box-shadow:0 20px 50px -20px rgba(0,0,0,.5)}
.cookienote.is-on{transform:translateY(0)}
.cookienote p{color:rgba(220,230,242,.8);font-size:14px;margin:0}
.cookienote a{color:var(--amber);text-decoration:underline}
@media(max-width:540px){.cookienote{flex-direction:column;align-items:flex-start}}

/* ============ FOOTER ============ */
.siteftr{background:var(--navy);color:var(--ink-on);padding:80px 0 32px}
.siteftr__cta{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.12)}
.siteftr__cta h2{color:#fff;line-height:1.05}
.siteftr__kick{font-family:"IBM Plex Mono";font-size:13px;color:var(--amber);letter-spacing:.06em;margin-bottom:10px}
.siteftr__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:56px 0}
@media(max-width:760px){.siteftr__grid{grid-template-columns:1fr 1fr;gap:30px}.siteftr__cta h2{font-size:30px}}
.brand--ftr .brand__name{color:#fff}
.siteftr__brand p{color:rgba(220,230,242,.6);font-size:14px;margin-top:16px;max-width:34ch}
.siteftr__col h5{font-size:12px;font-family:"IBM Plex Mono";text-transform:uppercase;letter-spacing:.1em;color:rgba(220,230,242,.45);margin-bottom:15px}
.siteftr__col a,.siteftr__col p{display:block;color:rgba(220,230,242,.75);font-size:14px;margin-bottom:8px;line-height:1.7}
.siteftr__col a:hover{color:var(--amber)}
.siteftr__legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(220,230,242,.5)}

/* ============ UTILS ============ */
.center{text-align:center}
.mt-12{margin-top:12px}.mt-20{margin-top:20px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.mb-16{margin-bottom:16px}.mb-32{margin-bottom:32px}.mb-48{margin-bottom:48px}
.flex{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.maxw{max-width:50ch}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}