/*
Theme Name: Yudistira Bakti Teknologi
Theme URI: https://yudistirabaktiteknologi.com
Author: Andri R. Pratama
Author URI: https://numerik.id
Description: Tema WordPress kustom untuk PT Yudistira Bakti Teknologi (YBT) — kontraktor infrastruktur telekomunikasi. Desain "signal readout": navy gelap, aksen cyan, tipografi teknis. Dikonversi dari single-page HTML5 statis.
Version: 1.1.1
Requires at least: 6.0
Requires PHP: 7.4
Tested up to: 6.6
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ybt-theme
Tags: one-page, custom-background, custom-menu, translation-ready
*/


  :root{
    --navy:#0A1826;
    --navy-2:#0F2740;
    --steel:#1E5F8C;
    --cyan:#5FD4E8;
    --amber:#FF8A3D;
    --paper:#EEF3F6;
    --paper-dim:#C9D6DF;
    --line: rgba(238,243,246,0.14);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--navy);
    color:var(--paper);
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
  }
  ::selection{background:var(--amber);color:var(--navy);}
  h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;}
  .mono{font-family:'JetBrains Mono',monospace;}
  a{color:inherit;text-decoration:none;}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
  }

  /* ===== Background grid / scanline atmosphere ===== */
  .bg-grid{
    position:fixed; inset:0; z-index:0; pointer-events:none;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
    opacity:0.5;
  }

  /* ===== Nav ===== */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    display:flex; align-items:center; justify-content:space-between;
    padding:22px clamp(20px,5vw,64px);
    background:linear-gradient(to bottom, rgba(10,24,38,0.92), rgba(10,24,38,0));
    backdrop-filter:blur(6px);
  }
  .logo-mark{display:flex; align-items:center; gap:12px;}
  .logo-mark .dish{
    width:34px;height:34px;border-radius:50%;
    border:2px solid var(--cyan);
    position:relative;
    display:grid;place-items:center;
  }
  .logo-mark .dish::after{
    content:'';width:6px;height:6px;border-radius:50%;background:var(--amber);
    box-shadow:0 0 8px 2px var(--amber);
    animation:ping 2.4s ease-in-out infinite;
  }
  @keyframes ping{0%,100%{opacity:1;transform:scale(1);}50%{opacity:0.4;transform:scale(1.5);}}
  .logo-text{line-height:1.05;}
  .logo-text .n1{font-family:'Space Grotesk';font-weight:700;font-size:15px;letter-spacing:0.02em;}
  .logo-text .n2{font-family:'JetBrains Mono';font-size:9.5px;letter-spacing:0.14em;color:var(--paper-dim);}
  nav ul{list-style:none;display:flex;gap:36px;align-items:center;}
  nav a{font-size:13.5px;font-weight:500;letter-spacing:0.02em;color:var(--paper-dim);transition:color .2s;position:relative;}
  nav a:hover{color:var(--cyan);}
  nav a:focus-visible, a:focus-visible, button:focus-visible{outline:2px solid var(--cyan); outline-offset:3px;}
  nav a.active-link{color:var(--cyan);}
  .nav-cta{
    border:1px solid var(--cyan); color:var(--cyan) !important;
    padding:9px 18px; border-radius:2px; font-size:12.5px !important;
    letter-spacing:0.06em; text-transform:uppercase;
  }
  .nav-cta:hover{background:var(--cyan); color:var(--navy) !important;}

  /* ===== Mobile nav toggle ===== */
  .nav-toggle{
    display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer;
    padding:8px; z-index:110;
  }
  .nav-toggle span{width:24px; height:2px; background:var(--paper); transition:transform .25s, opacity .25s;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  /* ===== Hero ===== */
  .hero{
    position:relative; z-index:1;
    min-height:100svh;
    display:flex; flex-direction:column; justify-content:center;
    padding:140px clamp(20px,5vw,64px) 80px;
  }
  .hero-bg{
    position:absolute; inset:0; z-index:-1;
    background-image:
      linear-gradient(100deg, rgba(10,24,38,0.97) 0%, rgba(10,24,38,0.88) 42%, rgba(10,24,38,0.55) 75%),
      url('https://images.unsplash.com/photo-1656595863373-ea308fd0bd0f?fm=jpg&q=80&w=2000&auto=format&fit=crop');
    background-size:cover; background-position:center 30%;
  }
  .coord-readout{
    font-size:11px; color:var(--cyan); letter-spacing:0.08em; margin-bottom:28px;
    display:flex; gap:24px; flex-wrap:wrap; opacity:0.85;
  }
  .coord-readout span{display:flex; align-items:center; gap:6px;}
  .coord-readout .dot{width:5px;height:5px;border-radius:50%;background:var(--amber);}
  .hero h1{
    font-size:clamp(2.6rem, 6.4vw, 5.6rem);
    font-weight:700; line-height:0.98; letter-spacing:-0.02em;
    max-width:16ch;
  }
  .hero h1 .accent{color:var(--cyan); font-style:normal;}
  .hero .sub{
    margin-top:26px; max-width:44ch; font-size:16.5px; line-height:1.65;
    color:var(--paper-dim);
  }
  .hero-actions{display:flex; gap:16px; margin-top:44px; flex-wrap:wrap;}
  .btn-primary, .btn-ghost{
    padding:15px 30px; font-size:13.5px; font-weight:600; letter-spacing:0.03em;
    text-transform:uppercase; border-radius:2px; display:inline-block; transition:all .25s;
  }
  .btn-primary{background:var(--cyan); color:var(--navy);}
  .btn-primary:hover{background:var(--amber);}
  .btn-ghost{border:1px solid var(--line); color:var(--paper);}
  .btn-ghost:hover{border-color:var(--cyan); color:var(--cyan);}

  .hero-signal{
    position:absolute; right:clamp(10px,4vw,64px); top:50%; transform:translateY(-50%);
    width:min(38vw,420px); aspect-ratio:1; opacity:0.9;
  }
  .hero-signal svg{width:100%;height:100%;}
  .ring{fill:none;stroke:var(--steel);stroke-width:1;opacity:0.5;}
  .ring.sweep{stroke:var(--cyan);stroke-dasharray:6 500;stroke-linecap:round;
    transform-origin:center; animation:sweep 4s linear infinite;}
  @keyframes sweep{to{transform:rotate(360deg);}}
  .blip{fill:var(--amber); animation:blip 2.6s ease-in-out infinite;}
  @keyframes blip{0%,100%{opacity:1;}50%{opacity:0.15;}}

  .scroll-cue{
    position:absolute; bottom:36px; left:clamp(20px,5vw,64px);
    font-family:'JetBrains Mono'; font-size:10.5px; letter-spacing:0.16em;
    color:var(--paper-dim); display:flex; align-items:center; gap:10px;
  }
  .scroll-cue::after{content:'';width:1px;height:34px;background:linear-gradient(var(--cyan),transparent); animation:cue 1.8s ease-in-out infinite;}
  @keyframes cue{0%{height:0;}50%{height:34px;}100%{height:0;}}

  /* ===== Section shell ===== */
  section{position:relative; z-index:1; padding:120px clamp(20px,5vw,64px);}
  .eyebrow{
    font-family:'JetBrains Mono'; font-size:11.5px; letter-spacing:0.18em;
    color:var(--amber); text-transform:uppercase; margin-bottom:18px;
    display:flex; align-items:center; gap:12px;
  }
  .eyebrow::before{content:'';width:24px;height:1px;background:var(--amber);}
  .section-head{max-width:640px; margin-bottom:64px;}
  .section-head h2{font-size:clamp(1.9rem,3.4vw,3rem); font-weight:600; letter-spacing:-0.01em; line-height:1.1;}
  .section-head p{margin-top:18px; color:var(--paper-dim); font-size:15.5px; line-height:1.7;}

  /* ===== About ===== */
  .about{background:var(--navy-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .about-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start;}
  .about-copy p{color:var(--paper-dim); font-size:15.5px; line-height:1.8; margin-bottom:20px;}
  .about-copy strong{color:var(--paper); font-weight:600;}
  .check-list{list-style:none; display:flex; flex-direction:column; gap:14px; margin-top:8px;}
  .check-list li{
    position:relative; padding-left:30px; font-size:14.5px; color:var(--paper); font-weight:500;
  }
  .check-list li::before{
    content:'✓'; position:absolute; left:0; top:0; color:var(--cyan); font-weight:700;
    width:20px; height:20px; border:1px solid var(--steel); border-radius:2px;
    display:flex; align-items:center; justify-content:center; font-size:12px;
  }
  .about-photo{
    border:1px solid var(--line); overflow:hidden; margin-bottom:1px; aspect-ratio:16/10;
  }
  .about-photo img{width:100%; height:100%; object-fit:cover; display:block; filter:saturate(0.9) contrast(1.05);}
  .stat-rail{display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line);}
  .stat-cell{background:var(--navy-2); padding:30px 26px;}
  .stat-cell .num{font-family:'Space Grotesk'; font-size:2.4rem; font-weight:700; color:var(--cyan);}
  .stat-cell .lbl{font-size:12px; color:var(--paper-dim); margin-top:6px; letter-spacing:0.02em;}

  /* ===== Services ===== */
  .svc-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .svc-card{background:var(--navy); padding:36px 30px; transition:background .25s;}
  .svc-card:hover{background:var(--navy-2);}
  .svc-tag{font-family:'JetBrains Mono'; font-size:10.5px; color:var(--steel); letter-spacing:0.12em;}
  .svc-card h3{font-size:1.2rem; font-weight:600; margin:14px 0 10px; letter-spacing:-0.01em;}
  .svc-card p{font-size:13.8px; color:var(--paper-dim); line-height:1.6;}

  .fiber-banner{
    position:relative; margin-top:1px; aspect-ratio:21/8; overflow:hidden; border:1px solid var(--line);
  }
  .fiber-banner img{width:100%; height:100%; object-fit:cover; display:block;}
  .fiber-banner-overlay{
    position:absolute; inset:0;
    background:linear-gradient(100deg, rgba(10,24,38,0.92) 0%, rgba(10,24,38,0.5) 55%, rgba(10,24,38,0.15) 100%);
    display:flex; flex-direction:column; justify-content:center; gap:10px;
    padding:0 clamp(24px,4vw,56px); max-width:560px;
  }
  .fiber-banner-overlay .mono{color:var(--cyan); font-size:11px; letter-spacing:0.16em;}
  .fiber-banner-overlay p{font-size:15px; color:var(--paper); line-height:1.5; font-weight:500;}

  /* ===== Clients ===== */
  .clients{border-top:1px solid var(--line);}
  .client-strip{
    display:flex; flex-wrap:wrap; gap:14px; margin-top:10px;
  }
  .client-chip{
    font-family:'JetBrains Mono'; font-size:12.5px; letter-spacing:0.04em;
    border:1px solid var(--line); padding:12px 20px; color:var(--paper-dim);
    display:flex; align-items:center; gap:10px;
  }
  .client-chip .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);}
  .client-note{margin-top:36px; font-size:13.5px; color:var(--paper-dim); max-width:60ch; line-height:1.7;}
  .client-note span{color:var(--paper); font-weight:600;}

  /* ===== Field log (gallery inspired by geotag photos) ===== */
  .fieldlog{background:var(--navy-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .log-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .log-card{border:1px solid var(--line); background:var(--navy); position:relative; overflow:hidden;}
  .log-photo{
    aspect-ratio:4/3; background:
      radial-gradient(circle at 30% 20%, rgba(95,212,232,0.18), transparent 60%),
      linear-gradient(135deg, #14283b, #0a1826);
    position:relative; display:grid; place-items:center;
  }
  .log-photo .minimap{width:100%; height:100%;}
  .log-meta{padding:16px 18px; font-family:'JetBrains Mono'; font-size:11px; color:var(--paper-dim); line-height:1.7; border-top:1px solid var(--line);}
  .log-meta .site{color:var(--cyan); font-size:12px; display:block; margin-bottom:4px;}

  /* ===== Certs ===== */
  .cert-list{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px;}
  .cert-item{
    border:1px solid var(--line); padding:20px 22px; display:flex; gap:14px; align-items:flex-start;
  }
  .cert-item .ico{color:var(--amber); font-family:'JetBrains Mono'; font-size:13px; margin-top:2px;}
  .cert-item p{font-size:13.8px; color:var(--paper-dim); line-height:1.5;}

  /* ===== CTA / Contact ===== */
  .contact{
    background:linear-gradient(180deg, var(--navy) 0%, #071320 100%);
    border-top:1px solid var(--line);
  }
  .contact-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:64px;}
  .contact h2{font-size:clamp(2rem,4vw,3.4rem); font-weight:700; line-height:1.05; letter-spacing:-0.02em; max-width:14ch;}
  .contact .sub{color:var(--paper-dim); margin-top:20px; font-size:15.5px; max-width:44ch; line-height:1.7;}
  .contact-list{margin-top:40px; display:flex; flex-direction:column; gap:0;}
  .contact-row{
    display:flex; justify-content:space-between; align-items:center;
    padding:20px 0; border-top:1px solid var(--line);
  }
  .contact-row:last-child{border-bottom:1px solid var(--line);}
  .contact-row .k{font-family:'JetBrains Mono'; font-size:11px; color:var(--paper-dim); letter-spacing:0.1em; text-transform:uppercase;}
  .contact-row .v{font-size:15px; font-weight:500;}
  .contact-row .v:hover{color:var(--cyan);}
  .addr-block{
    border:1px solid var(--line); padding:34px; height:fit-content;
  }
  .addr-block .eyebrow{margin-bottom:20px;}
  .addr-block address{font-style:normal; font-size:15px; line-height:2; color:var(--paper-dim);}
  .addr-block address strong{color:var(--paper); display:block; font-family:'Space Grotesk'; font-size:17px; margin-bottom:8px;}

  footer{
    padding:30px clamp(20px,5vw,64px); border-top:1px solid var(--line);
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
    font-size:12px; color:var(--paper-dim); font-family:'JetBrains Mono';
  }

  /* ===== Responsive ===== */
  @media (max-width:900px){
    .nav-toggle{display:flex;}
    nav ul{
      position:fixed; inset:0 0 0 auto; top:0; height:100svh; width:min(78vw,340px);
      background:var(--navy-2); border-left:1px solid var(--line);
      flex-direction:column; justify-content:center; align-items:flex-start;
      gap:8px; padding:100px 40px 40px;
      transform:translateX(100%); transition:transform .35s ease;
    }
    nav ul.open{transform:translateX(0);}
    nav ul li{width:100%;}
    nav a{font-size:20px; padding:14px 0; display:block; border-bottom:1px solid var(--line); width:100%;}
    .nav-cta{margin-top:10px; text-align:center;}
    .nav-scrim{
      position:fixed; inset:0; background:rgba(7,19,32,0.6); backdrop-filter:blur(2px);
      opacity:0; pointer-events:none; transition:opacity .3s; z-index:99;
    }
    .nav-scrim.open{opacity:1; pointer-events:auto;}
    .about-grid, .contact-grid{grid-template-columns:1fr;}
    .svc-grid{grid-template-columns:1fr 1fr;}
    .log-grid{grid-template-columns:1fr 1fr;}
    .hero-signal{display:none;}
    .fiber-banner{aspect-ratio:4/5;}
  }
  @media (max-width:560px){
    .svc-grid, .log-grid{grid-template-columns:1fr;}
    .stat-rail{grid-template-columns:1fr 1fr;}
    section{padding:80px 20px;}
  }