/* ============================================================
   Kobot Engineering, site stylesheet
   Calm, text-led, restrained. Brand red + ink + paper.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#171614;
  --ink-soft:#2b2a27;
  --paper:#faf9f6;
  --paper-dim:#f2f0ea;
  --white:#ffffff;
  --red:#FD0000;
  --red-deep:#c40000;
  --steel:#6c6a64;
  --line:#e6e3db;
  --radius:2px;
  --wrap:1120px;
  --font-head:'Big Shoulders Display', sans-serif;
  --font-body:'Inter', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.05;
  margin:0;
  letter-spacing:.2px;
}
h1{font-size:clamp(38px,6vw,64px);}
h2{font-size:clamp(28px,4vw,40px);}
h3{font-size:clamp(20px,2.4vw,24px);font-weight:600;}
p{margin:0;}
.lede{font-size:18px;color:var(--steel);max-width:62ch;}

section{padding:88px 0;}
section.tight{padding:56px 0;}
.dim{background:var(--paper-dim);}
.dark{background:var(--ink);color:#e9e7e1;}
.dark .steel-on-dark{color:#b9b6ad;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--white);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
}
.brand-logo{height:44px;width:auto;}
.brand-lockup{display:flex;align-items:center;gap:12px;}
.brand-lockup img{height:38px;width:auto;}
.brand-lockup span{
  font-family:var(--font-head);font-weight:700;font-size:21px;
  color:var(--ink);letter-spacing:.2px;
}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  color:var(--ink);font-size:15px;font-weight:500;
  padding:6px 0;border-bottom:2px solid transparent;
}
.nav-links a:hover,.nav-links a.active{border-color:var(--red);}
.nav-links a.nav-cta{
  background:var(--red);color:var(--white);
  padding:10px 20px;border-radius:var(--radius);
  border-bottom:none;
}
.nav-links a.nav-cta:hover{background:var(--red-deep);}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--ink);display:block;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:13px 26px;font-size:15px;font-weight:600;
  border-radius:var(--radius);border:1px solid transparent;
}
.btn-primary{background:var(--red);color:var(--white);}
.btn-primary:hover{background:var(--red-deep);}
.btn-dark{background:var(--ink);color:var(--white);}
.btn-dark:hover{background:var(--ink-soft);}
.btn-ghost{border-color:#e9e7e1;color:var(--white);}
.btn-ghost:hover{background:rgba(255,255,255,.08);}
.btn-outline{border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--white);}
.actions{display:flex;gap:14px;flex-wrap:wrap;}
.center{text-align:center;}
.actions.center{justify-content:center;}

/* ---------- Hero (photo-backed, text over image like the reference) ---------- */
.hero{position:relative;overflow:hidden;padding:150px 0 120px;}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(23,22,20,.78) 0%, rgba(23,22,20,.58) 55%, rgba(23,22,20,.85) 100%);
}
.hero-content{position:relative;z-index:2;}
.hero .tag{font-size:14px;color:#d9d6cc;margin-bottom:18px;}
.hero h1{max-width:16ch;color:var(--white);}
.hero .lede{margin-top:22px;color:#d9d6cc;}
.hero .actions{margin-top:34px;}

/* ---------- Page hero (About / Services / Contact / Gallery), light, no black block ---------- */
.page-hero{background:var(--paper-dim);color:var(--ink);padding:96px 0 64px;border-bottom:1px solid var(--line);}
.page-hero .tag{color:var(--steel);font-size:14px;margin-bottom:16px;}
.page-hero h1{max-width:20ch;}
.page-hero p{color:var(--steel);margin-top:18px;font-size:18px;max-width:60ch;}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;}
.split.reverse{grid-template-columns:.9fr 1.1fr;}
.split.reverse > *:first-child{order:2;}
.split img{border-radius:var(--radius);width:100%;height:auto;object-fit:cover;}
.split video{border-radius:var(--radius);width:100%;height:auto;display:block;}
.split .cap{font-size:13px;color:var(--steel);margin-top:10px;}

/* ---------- Stat row ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:36px 0;
}
.stat .num{font-family:var(--font-head);font-size:36px;font-weight:700;color:var(--red);}
.stat .label{font-size:14px;color:var(--steel);margin-top:4px;}

/* ---------- Numbered service list ---------- */
.service-list{margin-top:36px;border-top:1px solid var(--line);}
.service-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.service-row .no{font-family:var(--font-head);font-size:22px;color:var(--steel);}
.service-row h3{margin-bottom:6px;}
.service-row p{color:var(--steel);max-width:60ch;}
.service-row .go{font-size:14px;font-weight:600;color:var(--red);white-space:nowrap;}
.service-row:hover .no{color:var(--red);}

/* ---------- Service detail sections (Services page) ---------- */
.service-block{padding:80px 0;border-bottom:1px solid var(--line);}
.service-block:last-of-type{border-bottom:none;}
.service-block .idx{font-family:var(--font-head);font-size:44px;color:var(--line);line-height:1;margin-bottom:14px;}
.service-block h2{margin-top:6px;}
.service-block .lede{margin-top:18px;}
.tag-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-strip span{
  font-size:13px;color:var(--steel);border:1px solid var(--line);
  padding:6px 12px;border-radius:20px;
}

/* ---------- Value list ---------- */
.value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;margin-top:40px;}
.value-item h4{font-size:18px;font-weight:600;margin-bottom:8px;}
.value-item p{color:var(--steel);}

/* ---------- Timeline ---------- */
.timeline{margin-top:40px;display:flex;flex-direction:column;gap:32px;}
.tl-item{display:grid;grid-template-columns:110px 1fr;gap:24px;padding-bottom:32px;border-bottom:1px solid var(--line);}
.tl-item:last-child{border-bottom:none;padding-bottom:0;}
.tl-item .yr{font-family:var(--font-head);font-size:20px;color:var(--red);font-weight:700;}
.tl-item p{color:var(--steel);margin-top:6px;max-width:60ch;}

/* ---------- Marquee (customers) ---------- */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;}
.marquee-track{display:flex;gap:56px;white-space:nowrap;animation:scroll 32s linear infinite;width:max-content;}
.marquee-track span{font-family:var(--font-head);font-size:18px;color:var(--steel);letter-spacing:.5px;}
@keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Inline video clip (sized/framed like a photo) ---------- */
.clip-frame{border-radius:var(--radius);overflow:hidden;}
.clip-frame video{width:100%;display:block;}
.clip-note{font-size:13px;color:var(--steel);margin-top:10px;}

/* ---------- Gallery (masonry columns, preserves each photo's real aspect ratio, no cropping) ---------- */
.gallery-group{padding:56px 0;border-bottom:1px solid var(--line);}
.gallery-group:last-of-type{border-bottom:none;}
.gallery-group h2{margin-bottom:28px;}
.gallery-grid{columns:4 220px;column-gap:16px;}
.gallery-grid a{
  display:block;break-inside:avoid;margin-bottom:16px;
  border-radius:var(--radius);overflow:hidden;background:var(--paper-dim);
}
.gallery-grid img{width:100%;height:auto;display:block;transition:transform .35s ease;}
.gallery-grid a:hover img{transform:scale(1.04);}

.lightbox{
  position:fixed;inset:0;background:rgba(10,10,10,.92);
  display:none;align-items:center;justify-content:center;z-index:200;padding:32px;
}
.lightbox.open{display:flex;}
.lightbox img{max-width:min(1100px,92vw);max-height:88vh;object-fit:contain;border-radius:var(--radius);}
.lightbox-close{
  position:absolute;top:24px;right:28px;background:none;border:0;color:#fff;
  font-size:32px;cursor:pointer;line-height:1;
}

/* ---------- Before / After comparison pair ---------- */
.before-after{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.before-after figure{margin:0;}
.before-after img{width:100%;height:auto;border-radius:var(--radius);display:block;}
.before-after figcaption{font-size:13px;color:var(--steel);margin-top:8px;text-align:center;text-transform:uppercase;letter-spacing:.6px;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;}
.contact-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);}
.contact-row .k{font-size:13px;color:var(--steel);font-weight:600;letter-spacing:.4px;}
.contact-row .v a:hover{color:var(--red);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:var(--font-body);font-size:15px;background:var(--white);color:var(--ink);
}
.field textarea{min-height:130px;resize:vertical;}
.form-note{font-size:13px;color:var(--steel);margin-top:12px;}

/* ---------- Footer (light, no black bar) ---------- */
footer{background:var(--paper-dim);color:var(--steel);padding:64px 0 28px;border-top:1px solid var(--line);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand img{height:32px;width:auto;}
.footer-brand span{font-family:var(--font-head);font-weight:700;font-size:19px;color:var(--ink);}
footer h5{color:var(--steel);font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:16px;}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
footer a:hover{color:var(--red);}
.foot-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--steel);
}

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:100;
  width:56px;height:56px;border-radius:50%;overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.28);
  transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.06);}
.wa-float img{width:100%;height:100%;object-fit:cover;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav-links{
    position:fixed;top:76px;left:0;right:0;background:var(--white);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:12px 28px 24px;transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:all .2s ease;border-bottom:1px solid var(--line);
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-toggle{display:flex;}
  .split,.split.reverse{grid-template-columns:1fr;gap:32px;}
  .split.reverse > *:first-child{order:0;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .value-list{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:48px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{columns:2 160px;}
  .tl-item{grid-template-columns:1fr;}
  .hero{padding:96px 0 72px;}
  section{padding:64px 0;}
}