/* ============================================================
   PT QUADRA MITRA TEKNOLOGI — Corporate site
   Design tokens derived from the brand logo (node-network mark)
   ============================================================ */
:root{
  --ink:#001B58;          /* deep navy — primary text / brand */
  --ink-2:#0A1E3F;        /* panel navy */
  --blue:#0054C0;         /* core brand blue */
  --blue-bright:#0C78D8;  /* highlight blue from icon nodes */
  --blue-600:#0048A8;
  --slate:#5B6470;        /* gray accents from logo arc */
  --slate-2:#8A93A0;
  --mist:#F5F7FB;         /* section tint */
  --mist-2:#EDF1F8;
  --line:#E2E8F2;
  --white:#FFFFFF;
  --shadow-sm:0 1px 2px rgba(0,27,88,.05), 0 2px 8px rgba(0,27,88,.04);
  --shadow-md:0 8px 30px rgba(0,27,88,.08);
  --shadow-lg:0 24px 60px rgba(0,27,88,.12);
  --r-sm:10px; --r:16px; --r-lg:24px;
  --maxw:1180px;
  --ease:cubic-bezier(.16,.84,.44,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink-2);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;color:var(--ink);line-height:1.12;letter-spacing:-.02em;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--blue);
  display:inline-flex;align-items:center;gap:.55rem;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--blue);opacity:.6}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:110px 0;position:relative}
.section-head{max-width:680px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.85rem);margin:18px 0 16px}
.section-head p{color:var(--slate);font-size:1.06rem;max-width:600px}
.lead{color:var(--slate)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-weight:600;font-size:.95rem;padding:.92rem 1.6rem;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:all .3s var(--ease);
  font-family:'Inter',sans-serif;
}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(0,84,192,.28)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,84,192,.36)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* ---------- Nav ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:all .35s var(--ease);
  border-bottom:1px solid transparent;
}
header.nav.scrolled{
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line);box-shadow:0 4px 24px rgba(0,27,88,.05);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto}
.brand-name{display:flex;flex-direction:column;line-height:1.05}
.brand-name strong{font-family:'Space Grotesk';font-weight:700;color:var(--ink);font-size:1.04rem;letter-spacing:-.01em}
.brand-name span{font-family:'IBM Plex Mono';font-size:.6rem;letter-spacing:.18em;color:var(--slate);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{font-size:.93rem;font-weight:500;color:var(--ink-2);position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:width .3s var(--ease)}
.nav-links a:hover{color:var(--blue)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.menu-btn span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;
  padding-top:120px;padding-bottom:80px;overflow:hidden;
  background:
    radial-gradient(1100px 700px at 78% 8%, rgba(12,120,216,.10), transparent 60%),
    radial-gradient(900px 600px at 10% 100%, rgba(0,27,88,.06), transparent 55%),
    var(--white);
}
#net{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr;gap:60px;align-items:center}
.hero-copy{max-width:760px}
.hero h1{font-size:clamp(2.4rem,5.4vw,4.1rem);font-weight:700;margin:22px 0 22px}
.hero h1 .grad{
  background:linear-gradient(100deg,var(--blue) 0%,var(--blue-bright) 60%,var(--ink) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p.sub{font-size:1.14rem;color:var(--slate);max-width:600px;margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:54px;flex-wrap:wrap}
.hero-stats .stat strong{font-family:'Space Grotesk';font-size:1.85rem;color:var(--ink);font-weight:700;display:block}
.hero-stats .stat span{font-size:.82rem;color:var(--slate);font-family:'IBM Plex Mono';letter-spacing:.04em}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.hero-card{
  background:rgba(255,255,255,.7);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);padding:30px;width:100%;max-width:380px;
}
.hero-card .hc-head{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.hero-card .dot{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue-bright));display:flex;align-items:center;justify-content:center}
.hero-card .dot svg{width:22px;height:22px;color:#fff}
.hero-card .hc-head div strong{font-family:'Space Grotesk';color:var(--ink);display:block;font-size:1rem}
.hero-card .hc-head div span{font-size:.78rem;color:var(--slate)}
.hc-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.hc-row .ic{width:34px;height:34px;border-radius:9px;background:var(--mist);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0}
.hc-row .ic svg{width:17px;height:17px}
.hc-row p{font-size:.9rem;color:var(--ink-2);font-weight:500}
.hc-row small{display:block;color:var(--slate);font-weight:400;font-size:.78rem}
.hc-bar{margin-top:18px;height:8px;border-radius:99px;background:var(--mist-2);overflow:hidden}
.hc-bar i{display:block;height:100%;width:86%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--blue-bright))}

/* ---------- Trust strip ---------- */
.trust{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--mist)}
.trust .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.trust p{font-family:'IBM Plex Mono';font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);white-space:nowrap}
.trust-logos{display:flex;gap:40px;flex-wrap:wrap;align-items:center;opacity:.7}
.trust-logos span{font-family:'Space Grotesk';font-weight:600;color:var(--slate);font-size:1.05rem;letter-spacing:.02em}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-visual{position:relative}
.mv-stack{display:grid;gap:18px}
.mv-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);transition:.35s var(--ease)}
.mv-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.mv-card .tag{font-family:'IBM Plex Mono';font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:8px}
.mv-card h3{font-size:1.18rem;margin-bottom:8px}
.mv-card p{color:var(--slate);font-size:.95rem}
.about-text h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin:18px 0 20px}
.about-text > p{color:var(--slate);margin-bottom:18px;font-size:1.04rem}
.about-points{display:grid;gap:14px;margin-top:26px}
.about-points li{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;color:var(--ink-2)}
.about-points .chk{width:22px;height:22px;border-radius:7px;background:rgba(12,120,216,.12);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.about-points .chk svg{width:13px;height:13px}

/* ---------- Services ---------- */
#services{background:var(--mist)}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;transition:.4s var(--ease);position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--blue),var(--blue-bright));transition:width .4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.card:hover::before{width:100%}
.card .icon{
  width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,84,192,.10),rgba(12,120,216,.10));color:var(--blue);margin-bottom:20px;
  transition:.4s var(--ease);
}
.card:hover .icon{background:linear-gradient(135deg,var(--blue),var(--blue-bright));color:#fff}
.card .icon svg{width:26px;height:26px}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{color:var(--slate);font-size:.94rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.85rem;font-weight:600;color:var(--blue);opacity:0;transform:translateX(-6px);transition:.35s var(--ease)}
.card:hover .more{opacity:1;transform:translateX(0)}
.card .more svg{width:14px;height:14px}

/* ---------- Why choose us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why-item{display:flex;gap:16px;padding:26px;border-radius:var(--r);transition:.35s var(--ease)}
.why-item:hover{background:var(--mist)}
.why-item .num{font-family:'IBM Plex Mono';font-size:.78rem;color:var(--blue);font-weight:500;flex-shrink:0;padding-top:3px}
.why-item h3{font-size:1.1rem;margin-bottom:7px}
.why-item p{color:var(--slate);font-size:.92rem}

/* ---------- Industries ---------- */
#industries{background:var(--ink);color:#fff;position:relative;overflow:hidden}
#industries::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 500px at 85% 20%,rgba(12,120,216,.22),transparent 60%);pointer-events:none}
#industries .wrap{position:relative;z-index:2}
#industries .eyebrow{color:var(--blue-bright)}
#industries .eyebrow::before{background:var(--blue-bright)}
#industries h2{color:#fff}
#industries .section-head p{color:#A9B6CE}
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ind-card{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);
  padding:26px 22px;transition:.35s var(--ease);
}
.ind-card:hover{background:rgba(12,120,216,.16);border-color:rgba(12,120,216,.5);transform:translateY(-4px)}
.ind-card .ic{width:46px;height:46px;border-radius:12px;background:rgba(12,120,216,.18);color:var(--blue-bright);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.ind-card .ic svg{width:23px;height:23px}
.ind-card h3{color:#fff;font-size:1.04rem}
.ind-card p{color:#9FB0CC;font-size:.85rem;margin-top:4px}

/* ---------- Clients ---------- */
.clients-note{text-align:center;color:var(--slate);font-size:.88rem;margin-top:30px;font-family:'IBM Plex Mono';letter-spacing:.02em}
.client-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.client-logo{
  height:96px;border:1px solid var(--line);border-radius:var(--r);display:flex;
  align-items:center;justify-content:center;background:var(--white);transition:.35s var(--ease);
  color:var(--slate-2);
}
.client-logo:hover{box-shadow:var(--shadow-sm);border-color:var(--blue);color:var(--blue)}
.client-logo .ph{display:flex;flex-direction:column;align-items:center;gap:8px}
.client-logo svg{width:30px;height:30px;opacity:.6}
.client-logo span{font-family:'Space Grotesk';font-weight:600;font-size:.92rem}

/* ---------- Contact ---------- */
#contact{background:var(--mist)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:start}
.contact-info h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:18px 0 18px}
.contact-info > p{color:var(--slate);margin-bottom:32px;max-width:420px}
.ci-list{display:grid;gap:6px;margin-bottom:30px}
.ci-row{display:flex;gap:16px;align-items:flex-start;padding:16px;border-radius:var(--r);transition:.3s var(--ease)}
.ci-row:hover{background:var(--white);box-shadow:var(--shadow-sm)}
.ci-row .ic{width:44px;height:44px;border-radius:12px;background:var(--white);border:1px solid var(--line);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ci-row .ic svg{width:20px;height:20px}
.ci-row strong{display:block;color:var(--ink);font-size:.95rem;font-family:'Space Grotesk'}
.ci-row span{color:var(--slate);font-size:.92rem}
.socials{display:flex;gap:12px}
.socials a{width:42px;height:42px;border-radius:11px;background:var(--white);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);transition:.3s var(--ease)}
.socials a:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-3px)}
.socials a svg{width:18px;height:18px}
.map-embed{margin-top:30px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);height:200px;position:relative;background:linear-gradient(135deg,#dde6f4,#eef2f9)}
.map-embed .map-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--slate)}
.map-embed .map-ph svg{width:34px;height:34px;color:var(--blue)}
.map-embed .map-ph span{font-family:'IBM Plex Mono';font-size:.74rem;letter-spacing:.08em}
.map-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(0,84,192,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(0,84,192,.07) 1px,transparent 1px);background-size:28px 28px}

.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-md)}
.form-card h3{font-size:1.3rem;margin-bottom:6px}
.form-card .fc-sub{color:var(--slate);font-size:.92rem;margin-bottom:26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.84rem;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;border:1px solid var(--line);border-radius:var(--r-sm);
  font-family:'Inter',sans-serif;font-size:.95rem;color:var(--ink-2);background:var(--mist);
  transition:.25s var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(0,84,192,.1);
}
.field textarea{resize:vertical;min-height:120px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-msg{font-size:.88rem;margin-top:14px;padding:12px 16px;border-radius:var(--r-sm);display:none}
.form-msg.show{display:block}
.form-msg.ok{background:rgba(12,120,216,.1);color:var(--blue-600)}

/* ---------- WhatsApp contact card ---------- */
.wa-card{display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center}
.wa-badge{width:84px;height:84px;border-radius:50%;background:rgba(37,211,102,.12);color:#25D366;display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.wa-badge svg{width:46px;height:46px}
.wa-card h3{font-size:1.5rem;margin-bottom:10px}
.wa-card .fc-sub{color:var(--slate);font-size:.98rem;line-height:1.6;margin-bottom:28px;max-width:340px}
.wa-btn{width:100%;justify-content:center;gap:.7rem;background:#25D366;color:#fff;font-size:1.05rem;font-weight:700;padding:1.05rem 1.6rem;box-shadow:0 10px 26px rgba(37,211,102,.34)}
.wa-btn svg{width:24px;height:24px}
.wa-btn:hover{background:#1EBE57;transform:translateY(-2px);box-shadow:0 14px 32px rgba(37,211,102,.42)}
.wa-number{margin-top:18px;font-family:'IBM Plex Mono',monospace;font-size:1.05rem;font-weight:500;color:var(--ink);letter-spacing:.02em}

/* ---------- Footer ---------- */
footer{background:var(--ink-2);color:#fff;padding:70px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand img{height:52px;width:auto;max-width:100%;display:block;object-fit:contain;margin-bottom:18px}
.foot-brand p{color:#9FB0CC;font-size:.92rem;max-width:280px}
.foot-col h4{font-family:'Space Grotesk';font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:18px;font-weight:600}
.foot-col ul{display:grid;gap:11px}
.foot-col a,.foot-col li{color:#9FB0CC;font-size:.92rem;transition:.25s var(--ease)}
.foot-col a:hover{color:var(--blue-bright)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;gap:20px;flex-wrap:wrap}
.foot-bottom p{color:#7E8DA8;font-size:.84rem}
.foot-legal{display:flex;gap:24px}
.foot-legal a{color:#9FB0CC;font-size:.84rem}
.foot-legal a:hover{color:#fff}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.4s}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1;max-width:420px;margin:0 auto}
  .cards-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
  .ind-grid{grid-template-columns:repeat(3,1fr)}
  .client-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  section{padding:84px 0}
}
@media (max-width:680px){
  .nav-links,.nav-cta .btn{display:none}
  .menu-btn{display:flex}
  .nav-links.mobile{
    display:flex;position:fixed;top:70px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;padding:8px 24px 24px;box-shadow:var(--shadow-lg);border-top:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s var(--ease);
  }
  .nav-links.mobile.show{transform:none;opacity:1;pointer-events:auto}
  .nav-links.mobile a{padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-links.mobile a::after{display:none}
  .cards-grid,.why-grid,.ind-grid,.client-grid,.field-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:26px}
  .form-card{padding:24px}
  .trust .wrap{justify-content:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
:focus-visible{outline:3px solid var(--blue-bright);outline-offset:2px;border-radius:4px}