/* ===== Brand Tokens (per Tin Fat Technology brand guide — do not change) ===== */
:root{
  --navy:#0B1F3A;
  --gold:#F2A900;
  --white:#FFFFFF;
  --slate:#3A4A63;
  --light-slate:#C9D3E3;
  --border:#D5DBE5;
  --bg-light:#F3F5F9;

  --navy-deep: color-mix(in srgb, var(--navy) 82%, black);
  --navy-soft: color-mix(in srgb, var(--navy) 88%, white);
  --gold-soft: color-mix(in srgb, var(--gold) 85%, white);

  --bg:var(--white);
  --surface:var(--white);
  --ink:var(--navy);
  --muted:var(--slate);

  --shadow: 0 20px 60px -20px rgba(11,31,58,.25);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --container: 1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','Helvetica Neue',sans-serif;
  font-weight:400;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:'Manrope','Helvetica Neue',sans-serif;
  font-weight:800;
  color:var(--navy);
  margin:0;
  letter-spacing:-0.01em;
}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
section{position:relative;}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--gold);
  display:inline-block;
}
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.15;
  margin-top:14px;
}
.section-head p{
  margin-top:16px;
  color:var(--muted);
  font-size:17px;
}
.section-head.center{
  margin-left:auto;margin-right:auto;text-align:center;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  letter-spacing:.01em;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--navy);
  color:var(--white);
  box-shadow:0 10px 30px -10px rgba(11,31,58,.55);
}
.btn-primary:hover{
  background:var(--navy-soft);
  transform:translateY(-2px);
  box-shadow:0 16px 36px -12px rgba(11,31,58,.6);
}
.btn-ghost{
  background:transparent;
  color:var(--navy);
  border-color:var(--border);
}
.btn-ghost:hover{
  border-color:var(--navy);
  transform:translateY(-2px);
}
.btn-gold{
  background:var(--gold);
  color:var(--navy);
}
.btn-gold:hover{
  background:var(--gold-soft);
  transform:translateY(-2px);
}
.btn svg{width:16px;height:16px;transition:transform .25s ease;}
.btn:hover svg{transform:translateX(3px);}

/* ===== Brand lockup (mark + wordmark) — proportions per brand guide ===== */
.brand{
  display:flex;
  align-items:center;
  gap:calc(var(--tf-size, 22px) * 0.40);
  --tf-size:22px;
}
.brand .mark{
  width:calc(var(--tf-size, 22px) * 2);
  height:calc(var(--tf-size, 22px) * 2);
  flex-shrink:0;
}
.brand-text{
  display:flex;
  flex-direction:column;
  gap:calc(var(--tf-size, 22px) * 0.13);
}
.brand-text strong{
  font-family:'Manrope','Helvetica Neue',sans-serif;
  font-weight:800;
  font-size:var(--tf-size, 22px);
  line-height:0.9;
  letter-spacing:-0.024em;
  text-transform:uppercase;
  color:var(--navy);
}
.brand-text span{
  font-family:'Manrope','Helvetica Neue',sans-serif;
  font-weight:700;
  font-size:calc(var(--tf-size, 22px) * 0.27);
  letter-spacing:0.5em;
  text-transform:uppercase;
  color:var(--slate);
  white-space:nowrap;
}
.brand.on-navy .brand-text strong{color:var(--white);}
.brand.on-navy .brand-text span{color:var(--light-slate);}

/* ===== Nav ===== */
.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  padding:20px 0;
  transition:background .3s ease, box-shadow .3s ease, padding .3s ease, backdrop-filter .3s ease;
}
.nav.scrolled{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 1px 0 rgba(11,31,58,.08);
  padding:14px 0;
}
.nav .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:36px;
}
.nav-links a{
  font-size:15px;
  font-weight:700;
  color:var(--navy);
  position:relative;
  padding:4px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--gold);
  transition:width .25s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";
  display:block;
  width:18px;height:2px;
  background:var(--navy);
  position:relative;
  transition:all .25s ease;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.nav-toggle.open span{background:transparent;}
.nav-toggle.open span::before{transform:rotate(45deg);top:0;}
.nav-toggle.open span::after{transform:rotate(-45deg);top:0;}

/* ===== Hero ===== */
.hero{
  padding:168px 0 100px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:64px;
  align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,56px);
  line-height:1.08;
  margin-top:18px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold);
}
.hero p.lead{
  margin-top:22px;
  font-size:17.5px;
  color:var(--muted);
  max-width:480px;
}
.hero-actions{
  display:flex;
  gap:16px;
  margin-top:34px;
  flex-wrap:wrap;
}
.hero-stats{
  display:flex;
  gap:36px;
  margin-top:52px;
  padding-top:28px;
  border-top:1px solid var(--border);
}
.hero-stats div strong{
  display:block;
  font-family:'Manrope',sans-serif;
  font-size:26px;
  color:var(--navy);
}
.hero-stats div span{
  font-size:14px;
  color:var(--muted);
}

/* ---- Hero visual (professional team photo) ---- */
.hero-visual{
  position:relative;
  height:460px;
}
.hv-photo{
  position:absolute;
  inset:0;
  border-radius:28px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hv-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 22%;
}
.hv-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(11,31,58,0) 45%, rgba(11,31,58,.82) 100%);
  pointer-events:none;
}
.hv-strip{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px 24px;
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-size:14.5px;
  font-weight:500;
}
.hv-strip img{width:20px;height:20px;flex-shrink:0;}

/* ===== Industries strip ===== */
.industries-strip{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:22px 0;
  background:var(--bg-light);
}
.industries-strip .container{
  display:flex;
  align-items:center;
  gap:40px;
  flex-wrap:wrap;
  justify-content:center;
}
.industries-strip span{
  font-size:14px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--muted);
  text-transform:uppercase;
}

/* ===== Principles ===== */
.principles{padding:90px 0 20px;}
.principles-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.principles-head h3{
  font-size:14px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  font-family:'Inter',sans-serif;
  font-weight:700;
}
.principle-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.principle-card{
  background:var(--surface);
  padding:34px 30px;
}
.principle-card .icon{
  width:52px;height:52px;
  border-radius:14px;
  background:rgba(242,169,0,.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);
  margin-bottom:18px;
}
.principle-card h4{font-size:19px;margin-bottom:8px;}
.principle-card p{color:var(--muted);font-size:15.5px;}

/* ===== Services ===== */
.services{padding:110px 0;}
.service-list{
  display:grid;
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.service-row{
  background:var(--surface);
  display:grid;
  grid-template-columns:90px 1fr 90px;
  align-items:center;
  gap:28px;
  padding:38px 34px;
  transition:background .25s ease;
}
.service-row:hover{background:var(--bg-light);}
.service-num{
  font-family:'Manrope',sans-serif;
  font-size:14px;
  font-weight:700;
  color:var(--muted);
}
.service-body h4{
  font-size:21px;
  margin-bottom:10px;
}
.service-body p{
  color:var(--muted);
  font-size:16px;
  max-width:620px;
}
.service-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.service-tags span{
  font-size:12.5px;
  font-weight:700;
  color:var(--navy);
  background:var(--bg-light);
  padding:5px 10px;
  border-radius:999px;
}
.service-arrow{
  justify-self:end;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--navy);
  transition:all .25s ease;
}
.service-row:hover .service-arrow{
  background:var(--navy);
  border-color:var(--navy);
  color:#fff;
  transform:rotate(45deg);
}

/* ===== Approach ===== */
.approach{
  padding:110px 0;
  background:var(--navy);
  color:#fff;
  border-radius:40px;
  margin:0 20px;
  overflow:hidden;
  position:relative;
}
.approach::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(60% 60% at 85% 0%, rgba(242,169,0,.18), transparent 60%);
  pointer-events:none;
}
.approach .eyebrow{color:var(--gold);}
.approach .section-head h2, .approach .section-head p{color:#fff;}
.approach .section-head p{color:var(--light-slate);}
.approach-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  margin-top:10px;
  position:relative;
  z-index:1;
}
.step-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.step-photo{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
}
.step-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.step-photo::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(11,31,58,0) 55%, rgba(11,31,58,.92) 100%);
}
.step-body{
  padding:20px 22px 26px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.step-card .num{
  font-family:'Manrope',sans-serif;
  font-size:30px;
  font-weight:700;
  color:var(--gold);
}
.step-card h4{color:#fff;font-size:19px;margin:14px 0 8px;}
.step-card p{color:var(--light-slate);font-size:15px;}

/* ===== Industries ===== */
.industries{padding:110px 0;}
.industry-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.industry-card{
  border:1px solid var(--border);
  background:var(--surface);
  border-radius:var(--radius-md);
  padding:28px;
  display:flex;
  align-items:center;
  gap:16px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.industry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow);
  border-color:transparent;
}
.industry-card .icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--navy);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.industry-card h4{font-size:17px;}

/* ===== Why us ===== */
.why{padding:30px 0 110px;}
.why-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:28px;
}
.why-card{
  padding:36px 30px;
  border-radius:var(--radius-md);
  background:linear-gradient(180deg, #FFFFFF, var(--bg-light));
  border:1px solid var(--border);
}
.why-card .mark{
  font-family:'Manrope',sans-serif;
  font-size:40px;
  color:var(--gold);
  margin-bottom:10px;
}
.why-card h4{font-size:19px;margin-bottom:10px;}
.why-card p{color:var(--muted);font-size:15.5px;}

/* ===== CTA band ===== */
.cta-band{
  padding:100px 0;
}
.cta-box{
  background:var(--navy);
  border-radius:32px;
  padding:70px 60px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(70% 90% at 50% 0%, rgba(242,169,0,.22), transparent 60%);
}
.cta-box h2{
  color:#fff;
  font-size:clamp(26px,3.4vw,38px);
  position:relative;
  max-width:640px;
  margin:0 auto;
}
.cta-box p{
  color:var(--light-slate);
  margin-top:16px;
  position:relative;
}
.cta-box .hero-actions{justify-content:center;margin-top:30px;position:relative;}

/* ===== Footer ===== */
footer{
  padding:70px 0 28px;
  background:var(--bg-light);
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
  border-bottom:1px solid var(--border);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  color:var(--muted);
  font-size:15.5px;
  max-width:300px;
  margin-top:12px;
}
.footer-brand a.mail{
  display:inline-block;
  margin-top:18px;
  font-weight:700;
  color:var(--navy);
  border-bottom:1px solid var(--navy);
}
.footer-col h5{
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:15.5px;color:var(--navy);font-weight:700;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  padding-top:26px;
  font-size:14px;
  color:var(--muted);
}

/* ===== Reveal animation ===== */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .4s ease, transform .4s ease;
}
[data-reveal].in-view{
  opacity:1;
  transform:translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{height:360px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .industry-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .principle-grid{grid-template-columns:1fr;}
}
@media (max-width: 760px){
  .nav-links{
    position:absolute;
    top:100%;left:16px;right:16px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:16px;
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
    padding:14px;
    box-shadow:var(--shadow);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{width:100%;padding:10px 6px;}
  .nav-toggle{display:flex;}
  .nav .btn-primary.desktop-only{display:none;}
  .hero{padding:140px 0 70px;}
  .hero-stats{gap:24px;flex-wrap:wrap;}
  .service-row{grid-template-columns:1fr;text-align:left;}
  .service-arrow{justify-self:start;}
  .step-grid{grid-template-columns:1fr;}
  .industry-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .approach{margin:0 10px;border-radius:26px;padding:70px 0;}
  .cta-box{padding:50px 24px;}
}