/* =========================================================
   TANPO INVESTMENTS — Design Tokens
   Palette pulled straight from the brand mark: deep site-navy,
   sky blue, safety orange, hi-vis yellow, and site-hardhat white.
   Display face is a condensed industrial sans (signage feel);
   body is a plain geometric sans; mono is used for data/labels,
   nodding to spec sheets and site paperwork.
   ========================================================= */
:root{
  --navy-deep:#0a2f5c;
  --navy-mid:#123f73;
  --navy-soft:#e8eef6;
  --sky:#1ba7e0;
  --orange:#f4841f;
  --yellow:#ffd400;
  --paper:#f7f8fa;
  --white:#ffffff;
  --ink:#121822;
  --slate:#5c6773;
  --line:#dfe4ea;

  --font-display:'Oswald', Arial, sans-serif;
  --font-body:'Work Sans', Arial, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --container:1180px;
  --shadow-1: 0 10px 30px rgba(10,47,92,0.10);
  --shadow-2: 0 18px 46px rgba(10,47,92,0.16);
}

*,*::before,*::after{ 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; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.08;
  letter-spacing:0.2px;
  margin:0 0 .5em;
  color:var(--navy-deep);
}
p{ margin:0 0 1em; color:var(--slate); }
.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }

:focus-visible{
  outline:3px solid var(--orange);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
  color:var(--orange);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:28px; height:2px;
  background:var(--orange);
  display:inline-block;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:.95em 1.6em;
  border-radius:999px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn-primary{ background:var(--orange); color:var(--white); box-shadow:0 10px 24px rgba(244,132,31,.35); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 30px rgba(244,132,31,.45); }
.btn-outline{ background:transparent; border-color:rgba(255,255,255,.55); color:var(--white); }
.btn-outline:hover{ background:rgba(255,255,255,.12); border-color:var(--white); }
.btn-navy{ background:var(--navy-deep); color:var(--white); }
.btn-navy:hover{ transform:translateY(-2px); box-shadow:var(--shadow-2); }
.btn-row{ display:flex; gap:16px; flex-wrap:wrap; }

/* =========================================================
   HEADER / NAV
   ========================================================= */
.topbar{
  background:var(--navy-deep);
  color:#cfe1f5;
  font-family:var(--font-mono);
  font-size:.78rem;
}
.topbar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px; gap:16px; flex-wrap:wrap;
}
.topbar a{ color:#cfe1f5; }
.topbar a:hover{ color:var(--yellow); }
.topbar-links{ display:flex; gap:22px; flex-wrap:wrap; }

.site-header{
  position:sticky; top:0; z-index:80;
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:80px; width:auto; border-radius:10px; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{ font-family:var(--font-display); font-size:1.15rem; color:var(--navy-deep); letter-spacing:.5px; }
.brand-text span{ font-family:var(--font-mono); font-size:.68rem; color:var(--sky); text-transform:uppercase; letter-spacing:.12em; }

.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  padding:10px 16px;
  font-weight:600;
  font-size:.95rem;
  color:var(--navy-deep);
  border-radius:999px;
  transition:background .18s ease, color .18s ease;
}
.nav-links a:hover{ background:var(--navy-soft); }
.nav-links a.active{ background:var(--navy-deep); color:var(--white); }
.nav-cta{ margin-left:10px; }
.nav-links a.nav-cta,
.nav-links a.btn-navy{ color:var(--white) !important; }

.nav-toggle{
  display:none;
  background:none; border:2px solid var(--navy-deep); border-radius:10px;
  width:44px; height:40px; cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:22px; height:2px; background:var(--navy-deep); position:relative; transition:.2s;
}
.nav-toggle span::before{ position:absolute; top:-7px; }
.nav-toggle span::after{ position:absolute; top:7px; }

@media (max-width:900px){
  .nav-toggle{ display:flex; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--white);
    flex-direction:column; align-items:stretch;
    padding:10px 24px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-1);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding:12px 8px; border-radius:8px; }
  .nav-cta{ margin-left:0; margin-top:8px; }
  .topbar-links{ display:none; }
}

/* =========================================================
   ARCH DIVIDER — signature element
   The four rounded arches from the logo mark, reused as the
   site's recurring "course line" — literally how TANPO builds:
   layer by layer, from foundation to finish.
   ========================================================= */
.arch-divider{ display:flex; width:100%; line-height:0; }
.arch-divider svg{ width:100%; height:auto; display:block; }
.arch-divider.on-navy{ background:var(--navy-deep); }
.arch-divider.on-paper{ background:var(--paper); }
.arch-divider.on-white{ background:var(--white); }

/* small inline arch used as a bullet marker */
.arch-bullets li{
  position:relative;
  padding-left:34px;
  margin-bottom:12px;
  color:var(--ink);
}
.arch-bullets li::before{
  content:"";
  position:absolute; left:0; top:2px;
  width:18px; height:18px;
  border:3px solid var(--orange);
  border-top:none; border-right:none;
  border-radius:0 0 0 12px;
}
.arch-bullets.on-navy li{ color:var(--white); }
.arch-bullets.on-navy li::before{ border-color:var(--yellow); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  background:linear-gradient(120deg, var(--navy-deep) 0%, var(--navy-mid) 60%, #0d3763 100%);
  color:var(--white);
  overflow:hidden;
  padding:88px 0 0;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(circle at 85% 20%, rgba(27,167,224,.35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(244,132,31,.28), transparent 40%);
  pointer-events:none;
}
.hero-grid{
  position:relative; z-index:2;
  display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;
  padding-bottom:64px;
}
.hero h1{ color:var(--white); font-size:clamp(2.3rem, 4.2vw, 3.6rem); margin-bottom:.4em; }
.hero h1 em{ font-style:normal; color:var(--yellow); }
.hero p.lead{ color:#dce8f6; font-size:1.08rem; max-width:46ch; }
.hero-stats{ display:flex; gap:28px; margin-top:34px; flex-wrap:wrap; }
.hero-stats div strong{ display:block; font-family:var(--font-display); font-size:1.9rem; color:var(--white); }
.hero-stats div span{ font-family:var(--font-mono); font-size:.72rem; color:#9db9d8; text-transform:uppercase; letter-spacing:.1em; }

@media (max-width:860px){
  .hero-grid{ grid-template-columns:1fr; }
}

/* =========================================================
   IMAGE PLACEHOLDER
   ========================================================= */
.img-ph{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  background:
    repeating-linear-gradient(135deg, #eef2f7 0 14px, #e4eaf1 14px 28px);
  border:1px dashed #b9c6d6;
  min-height:200px;
  aspect-ratio: var(--ar, 4/3);
}
.img-ph .ph-inner{
  display:none;
  position:absolute; inset:0;
  flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:18px; color:var(--navy-mid);
}
.img-ph.is-broken .ph-inner{ display:flex; }
.img-ph .ph-icon{
  width:40px; height:40px; margin:0 auto 10px;
  border:2px solid var(--navy-mid); border-radius:8px;
  position:relative; opacity:.55;
}
.img-ph .ph-icon::before{
  content:""; position:absolute; left:6px; bottom:7px;
  width:0; height:0; border-style:solid;
  border-width:0 8px 10px 8px; border-color:transparent transparent var(--navy-mid) transparent;
}
.img-ph .ph-icon::after{
  content:""; position:absolute; top:6px; right:6px;
  width:7px; height:7px; border-radius:50%; background:var(--navy-mid);
}
.img-ph .ph-label{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.03em;
  text-transform:uppercase; color:var(--navy-mid); opacity:.75;
  max-width:26ch; margin:0 auto;
}
.img-ph img.ph-photo{
  display:block;
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
}
.img-ph.is-broken img.ph-photo{ display:none; }
.img-ph.ar-16-9{ --ar:16/9; }
.img-ph.ar-1-1{ --ar:1/1; }
.img-ph.ar-4-3{ --ar:4/3; }
.img-ph.ar-3-4{ --ar:3/4; }

/* =========================================================
   SECTIONS / GENERIC
   ========================================================= */
section{ padding:88px 0; }
.section-tight{ padding:64px 0; }
.section-head{ max-width:64ch; margin-bottom:48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(1.7rem,3vw,2.5rem); }

.bg-navy{ background:var(--navy-deep); color:#dce8f6; }
.bg-navy h2, .bg-navy h3{ color:var(--white); }
.bg-navy p{ color:#b9cee6; }
.bg-soft{ background:var(--navy-soft); }
.bg-white{ background:var(--white); }

/* grid helpers */
.grid{ display:grid; gap:28px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:960px){ .grid-3{ grid-template-columns:repeat(2,1fr);} .grid-4{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

/* ---------- Stat blocks ---------- */
.stat-strip{ background:var(--navy-deep); }
.stat-strip .grid{ gap:1px; background:rgba(255,255,255,.12); border-radius:var(--radius-md); overflow:hidden; }
.stat{ background:var(--navy-mid); padding:30px 26px; }
.stat strong{ display:block; font-family:var(--font-display); font-size:2.4rem; color:var(--yellow); }
.stat span{ font-family:var(--font-mono); font-size:.76rem; letter-spacing:.08em; text-transform:uppercase; color:#bcd2ea; }

/* ---------- Service cards ---------- */
.svc-card{
  background:var(--white);
  border-radius:var(--radius-md);
  padding:30px 26px;
  border:1px solid var(--line);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.svc-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-1); border-color:transparent; }
.svc-num{ font-family:var(--font-mono); color:var(--orange); font-size:.8rem; letter-spacing:.08em; }
.svc-card h3{ font-size:1.25rem; margin:.3em 0 .4em; }
.svc-icon{ width:46px; height:46px; border-radius:12px; background:var(--navy-soft); display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.svc-icon svg{ width:24px; height:24px; }

/* ---------- Value cards ---------- */
.value-card{
  border-radius:var(--radius-md);
  padding:28px 24px;
  border-top:4px solid var(--orange);
}
.value-card.dark{ background:var(--navy-deep); color:var(--white); }
.value-card.dark h3{ color:var(--white); }
.value-card.dark p{ color:#c3d6ea; }
.value-card.light{ background:var(--navy-soft); }
.value-card.light h3{ color:var(--navy-deep); }
.value-card.white-bg{ background:var(--white); border:1px solid var(--line); }
.value-card.white-bg h3{ color:var(--navy-deep); }
.value-card.white-bg p{ color:var(--slate); }
.value-card .icon-badge{
  width:44px; height:44px; border-radius:50%; background:var(--orange); color:var(--white);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-family:var(--font-display); font-size:1.2rem;
}

/* ---------- Market cards ---------- */
.market-card{ border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-1); }
.market-top{ padding:26px 24px 40px; }
.market-bottom{ background:var(--navy-deep); color:var(--white); padding:22px 24px 26px; margin-top:-22px; border-radius:var(--radius-md); position:relative; }
.market-bottom h3{ color:var(--white); font-size:1.15rem; margin-bottom:.5em; }
.market-bottom p{ color:#c3d6ea; font-size:.92rem; margin:0; }
.market-icon{ width:52px; height:52px; }

/* ---------- Testimonials ---------- */
.testi-card{
  background:var(--white); border-radius:var(--radius-md); padding:28px 26px;
  border:1px solid var(--line); position:relative;
}
.testi-quote{ font-family:var(--font-display); font-size:2.6rem; color:var(--orange); line-height:1; margin-bottom:10px; }
.testi-card p.msg{ color:var(--ink); font-style:italic; margin-top:4px; }
.testi-foot{ display:flex; align-items:center; gap:12px; margin-top:18px; }
.testi-avatar{
  width:44px; height:44px; border-radius:50%; background:var(--orange); color:var(--white);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-size:1.1rem;
  flex-shrink:0;
}
.testi-name{ font-weight:700; color:var(--navy-deep); font-size:.95rem; }
.testi-role{ font-family:var(--font-mono); font-size:.72rem; color:var(--slate); text-transform:uppercase; }
.testi-tag{
  display:inline-block; margin-top:14px; font-family:var(--font-mono); font-size:.7rem;
  background:var(--navy-soft); color:var(--navy-mid); padding:6px 12px; border-radius:999px; text-transform:uppercase; letter-spacing:.04em;
}
.stars{ color:var(--yellow); letter-spacing:2px; font-size:.9rem; }

/* ---------- Timeline / process ---------- */
.process-list{ counter-reset:step; }
.process-item{
  display:grid; grid-template-columns:64px 1fr; gap:20px; padding:22px 0; border-bottom:1px solid var(--line);
}
.process-item:last-child{ border-bottom:none; }
.process-item .step-num{
  font-family:var(--font-display); font-size:1.8rem; color:var(--orange);
}
.process-item h4{ margin-bottom:.2em; }

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg, var(--navy-deep), var(--navy-mid));
  color:var(--white); border-radius:var(--radius-lg);
  padding:52px 48px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta-band h2{ color:var(--white); margin-bottom:.2em; font-size:1.8rem; }
.cta-band p{ color:#c3d6ea; margin:0; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--navy-deep); color:#b9cee6; padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:36px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.12); }
.footer-grid h4{ color:var(--white); font-size:1rem; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.08em; margin-bottom:1.1em; }
.footer-grid a{ display:block; color:#b9cee6; margin-bottom:.7em; font-size:.94rem; }
.footer-grid a:hover{ color:var(--yellow); }
.footer-brand p{ color:#9db9d8; max-width:32ch; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding:22px 0; font-family:var(--font-mono); font-size:.76rem; color:#7f9cbc; flex-wrap:wrap; gap:10px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }

/* =========================================================
   PAGE HEADER (inner pages)
   ========================================================= */
.page-hero{
  background:linear-gradient(120deg, var(--navy-deep), var(--navy-mid));
  color:var(--white);
  padding:64px 0 56px;
  position:relative; overflow:hidden;
}
.page-hero::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 90% 10%, rgba(255,212,0,.18), transparent 40%);
}
.page-hero .container{ position:relative; z-index:2; }
.breadcrumb{ font-family:var(--font-mono); font-size:.76rem; color:#9db9d8; text-transform:uppercase; letter-spacing:.08em; margin-bottom:14px; }
.breadcrumb a:hover{ color:var(--yellow); }
.page-hero h1{ color:var(--white); font-size:clamp(2rem,4vw,2.9rem); max-width:22ch; }
.page-hero p{ color:#cfe1f5; max-width:60ch; font-size:1.05rem; }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ---------- utility ---------- */
.mt-0{ margin-top:0; }
.text-center{ text-align:center; }
.flex-center{ display:flex; align-items:center; justify-content:center; }
.tag-list{ display:flex; gap:10px; flex-wrap:wrap; margin-top:10px; }
.tag-list span{ font-family:var(--font-mono); font-size:.72rem; background:var(--navy-soft); color:var(--navy-mid); padding:5px 12px; border-radius:999px; text-transform:uppercase; }

/* ---------- Service detail sections (services.html) ---------- */
.svc-anchor-nav{
  display:flex; flex-wrap:wrap; gap:10px; padding:22px 0 0;
}
.svc-anchor-nav a{
  font-family:var(--font-mono); font-size:.76rem; text-transform:uppercase; letter-spacing:.03em;
  padding:8px 14px; border-radius:999px; background:var(--navy-soft); color:var(--navy-mid);
  border:1px solid transparent;
}
.svc-anchor-nav a:hover{ border-color:var(--orange); color:var(--orange); }

.svc-detail{ padding:70px 0; border-bottom:1px solid var(--line); scroll-margin-top:96px; }
.svc-detail:last-of-type{ border-bottom:none; }
.svc-detail-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:52px; align-items:start; }
.svc-detail-grid.reverse{ direction:rtl; }
.svc-detail-grid.reverse > *{ direction:ltr; }
@media (max-width:900px){ .svc-detail-grid{ grid-template-columns:1fr; } .svc-detail-grid.reverse{ direction:ltr; } }
.svc-detail .tagline{ font-family:var(--font-mono); font-size:.82rem; color:var(--sky); text-transform:uppercase; letter-spacing:.06em; margin-bottom:.6em; }
.svc-photo-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.svc-photo-grid .img-ph:first-child{ grid-column:1/-1; }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.2fr; gap:48px; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius-md); padding:26px; margin-bottom:18px; display:flex; gap:16px; }
.contact-card .icon-badge{ width:44px; height:44px; border-radius:12px; background:var(--navy-soft); color:var(--navy-deep); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-card h4{ margin-bottom:.3em; font-size:1rem; }
.contact-card p{ margin:0; }

.form-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg); padding:36px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--font-mono); font-size:.74rem; text-transform:uppercase; letter-spacing:.06em; color:var(--navy-mid); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; padding:12px 14px; border-radius:10px; border:1.5px solid var(--line);
  font-family:var(--font-body); font-size:.95rem; background:var(--paper); color:var(--ink);
  transition:border-color .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--sky); outline:none; }
.form-note{ font-family:var(--font-mono); font-size:.72rem; color:var(--slate); margin-top:14px; }

.map-ph{ border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--line); }
.map-ph iframe{ width:100%; height:340px; border:0; display:block; filter:grayscale(.15) contrast(1.05); }

/* ---------- Project gallery (projects.html) ---------- */
.filter-row{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:36px; }
.filter-btn{
  font-family:var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.03em;
  padding:9px 16px; border-radius:999px; border:1.5px solid var(--line); background:var(--white); cursor:pointer;
  color:var(--navy-mid); transition:.18s;
}
.filter-btn.active, .filter-btn:hover{ background:var(--navy-deep); color:var(--white); border-color:var(--navy-deep); }
.project-card{ background:var(--white); border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--line); }
.project-card .body{ padding:20px 22px; }
.project-card h3{ font-size:1.1rem; margin-bottom:.2em; }
.project-card .loc{ font-family:var(--font-mono); font-size:.74rem; color:var(--orange); text-transform:uppercase; letter-spacing:.05em; }

/* ---------- About page value grid icons reuse ---------- */
.about-split{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
@media (max-width:760px){ .about-split{ grid-template-columns:1fr; } }