/* =========================================================
   TAMMA CONSTRUCTIONS — Public Site Stylesheet
   Design language: "Working Drawing" — the site borrows the
   visual grammar of an architect's blueprint sheet: grid lines,
   dimension ticks, sheet numbers and a corner title block.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root{
  --navy: #0F2B3D;
  --navy-2: #16394F;
  --navy-3: #1E4A63;
  --orange: #E85D2E;
  --orange-dark: #C3491F;
  --paper: #F6F3EC;
  --paper-line: #E2DCCB;
  --ink: #1C1B18;
  --grey: #6E6A63;
  --grey-light: #9C978C;
  --white: #FFFFFF;
  --blueprint-line: rgba(255,255,255,0.09);
  --radius: 6px;
  --shadow: 0 12px 30px rgba(15,43,61,0.14);
  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family:'Inter', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height:1.6;
  font-size:16px;
}
h1,h2,h3,h4{
  font-family:'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--navy);
  margin: 0 0 .5em;
}
p{ margin:0 0 1em; color:var(--grey); }
a{ color: inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.container{ max-width: var(--maxw); margin:0 auto; padding:0 24px; }
.section{ padding: 88px 0; }
.section-tight{ padding: 56px 0; }
.bg-navy{ background:var(--navy); color:var(--white); }
.bg-navy p{ color: rgba(255,255,255,0.72); }
.bg-paper-line{ background: repeating-linear-gradient(0deg, transparent, transparent 39px, var(--paper-line) 40px); }

/* --- eyebrow / sheet labels (drawing-annotation motif) --- */
.eyebrow{
  font-family:'Space Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  display:flex; align-items:center; gap:10px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 28px; height: 1px; background: var(--orange);
  display:inline-block;
}
.bg-navy .eyebrow{ color:#FF8A5C; }

.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(28px, 4vw, 40px); }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:'Space Mono', monospace;
  font-size:13px; letter-spacing:.06em; text-transform:uppercase;
  padding: 14px 26px;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: all .2s ease;
}
.btn-primary{ background: var(--orange); color:#fff; }
.btn-primary:hover{ background: var(--orange-dark); transform: translateY(-1px); }
.btn-outline{ border-color: rgba(255,255,255,0.4); color:#fff; }
.btn-outline:hover{ background: rgba(255,255,255,0.1); }
.btn-navy{ background: var(--navy); color:#fff; }
.btn-navy:hover{ background: var(--navy-2); }
.btn-block{ width:100%; justify-content:center; }

/* ---------------- Header ---------------- */
.site-header{
  position: sticky; top:0; z-index: 500;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}
.logo{ display:flex; align-items:center; gap:12px; }
.logo-img{ height:44px; max-height:100%; width:auto; display:block; }
/* Legacy text-mark styles (kept in case the image logo is ever swapped back to text) */
.logo-mark{
  width:44px; height:44px; border:2px solid var(--orange);
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Mono', monospace; font-weight:700; color:var(--orange);
  transform: rotate(45deg); flex-shrink:0;
}
.logo-mark span{ transform: rotate(-45deg); font-size:15px; }
.logo-text{ line-height:1.1; }
.logo-text strong{ font-family:'Oswald',sans-serif; color:#fff; font-size:19px; letter-spacing:.03em; display:block; }
.logo-text small{ font-family:'Space Mono', monospace; color: var(--orange); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav > ul{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  color: rgba(255,255,255,0.82);
  font-family:'Space Mono', monospace;
  font-size:12.5px; letter-spacing:.06em; text-transform:uppercase;
  padding: 10px 16px; display:block; border-radius:3px;
  transition: color .2s, background .2s;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a{ color:#fff; background: rgba(255,255,255,0.08); }
.main-nav li{ position:relative; }

.has-dropdown > a::after{ content:"▾"; margin-left:6px; font-size:10px; }
.dropdown{
  position:absolute; top: 100%; left:0;
  background:#fff; min-width: 280px;
  box-shadow: var(--shadow); border-radius: 4px;
  padding:8px; opacity:0; visibility:hidden; transform: translateY(6px);
  transition: all .18s ease; border-top:3px solid var(--orange);
}
.has-dropdown:hover .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown a{
  color: var(--navy); padding:11px 14px; border-radius:3px; font-family:'Inter',sans-serif;
  text-transform:none; letter-spacing:0; font-size:14px; font-weight:500;
}
.dropdown a:hover{ background: var(--paper); color: var(--orange-dark); }
.dropdown .dd-desc{ display:block; font-size:12px; color:var(--grey-light); font-weight:400; margin-top:2px; }

.header-cta{ display:flex; align-items:center; gap:14px; }
.header-phone{
  font-family:'Space Mono', monospace; color:#fff; font-size:13.5px;
  display:flex; align-items:center; gap:8px;
}
.header-phone svg{ width:16px; height:16px; stroke: var(--orange); }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:26px; height:2px; background:#fff; margin:5px 0; }

/* ---------------- Hero ---------------- */
.hero{
  position:relative; background: var(--navy); color:#fff; overflow:hidden;
  padding: 100px 0 140px;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(0deg, var(--blueprint-line) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, var(--blueprint-line) 0 1px, transparent 1px 48px);
  opacity:.7;
}
.hero-grid{
  position:relative; z-index:2;
  display:grid; grid-template-columns: 1.15fr 0.85fr; gap:48px; align-items:center;
}
.hero h1{
  color:#fff; font-size: clamp(34px, 5vw, 58px); line-height:1.08; margin-bottom:22px;
}
.hero h1 em{ font-style:normal; color: var(--orange); }
.hero p.lead{ color: rgba(255,255,255,0.78); font-size:17px; max-width:520px; margin-bottom:34px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-stats{ display:flex; gap:0; margin-top:56px; border-top:1px solid rgba(255,255,255,0.15); padding-top:28px; }
.hero-stats div{ flex:1; border-left:1px solid rgba(255,255,255,0.15); padding-left:20px; }
.hero-stats div:first-child{ border-left:none; padding-left:0; }
.hero-stats strong{ font-family:'Archivo Black', sans-serif; font-size:30px; color:var(--orange); display:block; }
.hero-stats span{ font-family:'Space Mono', monospace; font-size:11px; letter-spacing:.08em; text-transform:uppercase; color: rgba(255,255,255,0.65); }

/* Title-block: signature element mimicking an architectural drawing stamp */
.title-block{
  position:relative; z-index:2;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 22px;
}
.title-block .tb-illustration{ margin-bottom: 18px; }
.title-block table{ width:100%; border-collapse:collapse; font-family:'Space Mono', monospace; font-size:11.5px; }
.title-block td{ border:1px solid rgba(255,255,255,0.25); padding:8px 10px; color: rgba(255,255,255,0.85); }
.title-block td.label{ color: var(--orange); text-transform:uppercase; letter-spacing:.06em; width:42%; }

/* ---------------- Services ---------------- */
.services-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap:28px;
}
.service-card{
  background:#fff; border:1px solid var(--paper-line); border-radius: var(--radius);
  padding: 32px 26px; position:relative; transition: transform .2s, box-shadow .2s;
}
.service-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-card .dwg-tag{
  position:absolute; top:18px; right:18px; font-family:'Space Mono', monospace;
  font-size:10.5px; color: var(--grey-light); letter-spacing:.05em;
}
.service-icon{
  width:56px; height:56px; border-radius:50%; background: var(--paper);
  display:flex; align-items:center; justify-content:center; margin-bottom:20px;
}
.service-icon svg{ width:26px; height:26px; stroke: var(--orange); fill:none; stroke-width:1.6; }
.service-card h3{ font-size:19px; margin-bottom:10px; }
.service-card p{ font-size:14.5px; margin-bottom:16px; }
.service-card .more{ font-family:'Space Mono', monospace; font-size:12px; color:var(--orange-dark); text-transform:uppercase; letter-spacing:.05em; }
.service-card .more:hover{ text-decoration:underline; }

/* ---------------- About split ---------------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap:56px; align-items:center; }
.about-illustration{
  background: var(--navy); border-radius: var(--radius); padding: 34px;
  position:relative; overflow:hidden;
}
.check-list li{ display:flex; gap:12px; margin-bottom:14px; font-size:15px; color:var(--ink); align-items:flex-start; }
.check-list li svg{ width:20px; height:20px; stroke:var(--orange); flex-shrink:0; margin-top:2px; }

/* ---------------- Process (numbered - legit sequence) ---------------- */
.process-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; counter-reset: step; }
.process-step{ position:relative; padding-top:20px; border-top:2px solid var(--orange); }
.process-step .num{ font-family:'Archivo Black', sans-serif; font-size:34px; color: var(--paper-line); position:absolute; top:-20px; right:0; }
.process-step h4{ font-size:16px; margin-bottom:8px; }
.process-step p{ font-size:14px; }

/* ---------------- Gallery ---------------- */
.gallery-filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:34px; }
.gallery-filters button{
  font-family:'Space Mono', monospace; font-size:12px; text-transform:uppercase; letter-spacing:.05em;
  padding:9px 18px; border:1px solid var(--paper-line); background:#fff; border-radius:20px; cursor:pointer;
  transition: all .15s;
}
.gallery-filters button.active, .gallery-filters button:hover{ background:var(--navy); color:#fff; border-color:var(--navy); }
.gallery-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:20px; }
.gallery-item{
  position:relative; border-radius: var(--radius); overflow:hidden; cursor:pointer;
  aspect-ratio: 4/3; background: var(--paper-line);
}
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition: transform .4s; }
.gallery-item:hover img{ transform: scale(1.07); }
.gallery-item .g-cap{
  position:absolute; left:0; right:0; bottom:0; padding:14px 16px;
  background: linear-gradient(0deg, rgba(15,43,61,0.92), transparent);
  color:#fff; font-size:13px; font-family:'Space Mono', monospace; letter-spacing:.03em;
}
.gallery-empty{ text-align:center; padding: 60px 20px; color:var(--grey-light); border:1px dashed var(--paper-line); border-radius: var(--radius); }

/* Lightbox */
.lightbox{
  position:fixed; inset:0; background:rgba(10,25,36,0.94); display:none;
  align-items:center; justify-content:center; z-index:2000; padding:24px;
}
.lightbox.open{ display:flex; }
.lightbox img{ max-width:90vw; max-height:82vh; border:4px solid #fff; }
.lightbox-close{ position:absolute; top:24px; right:32px; color:#fff; font-size:34px; cursor:pointer; background:none; border:none; }
.lightbox-cap{ position:absolute; bottom:30px; left:0; right:0; text-align:center; color:#fff; font-family:'Space Mono', monospace; }

/* ---------------- Testimonials ---------------- */
.testi-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.testi-card{ background: rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.14); padding:28px; border-radius: var(--radius); }
.testi-card .stars{ color: var(--orange); font-size:14px; margin-bottom:14px; letter-spacing:2px; }
.testi-card p{ font-size:14.5px; color: rgba(255,255,255,0.82); font-style:italic; }
.testi-card .who{ font-family:'Space Mono', monospace; font-size:12px; color:#fff; margin-top:16px; text-transform:uppercase; letter-spacing:.05em; }
.testi-card .who span{ color: rgba(255,255,255,0.5); text-transform:none; display:block; font-size:12px; }

/* ---------------- CTA band ---------------- */
.cta-band{ background: var(--orange); padding: 48px 0; }
.cta-band .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.cta-band h3{ color:#fff; margin:0; font-size:24px; }
.cta-band p{ color: rgba(255,255,255,0.9); margin:4px 0 0; }

/* ---------------- Contact ---------------- */
.contact-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap:48px; }
.info-card{ display:flex; gap:16px; padding:20px 0; border-bottom:1px solid var(--paper-line); }
.info-card svg{ width:22px; height:22px; stroke:var(--orange); flex-shrink:0; }
.info-card h4{ font-size:15px; margin-bottom:4px; }
.info-card p{ font-size:14.5px; margin:0; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; margin-bottom:18px; }
.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-family:'Space Mono', monospace; font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; margin-bottom:8px; color: var(--navy); }
.form-group input, .form-group textarea, .form-group select{
  width:100%; padding:13px 14px; border:1px solid var(--paper-line); border-radius:4px;
  font-family:'Inter', sans-serif; font-size:14.5px; background:#fff;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus{ outline:2px solid var(--orange); outline-offset:1px; border-color:var(--orange); }
.map-embed{ border-radius: var(--radius); overflow:hidden; margin-top:28px; border:1px solid var(--paper-line); }
.map-embed iframe{ width:100%; height:280px; border:0; display:block; }

.alert{ padding:14px 18px; border-radius:4px; font-size:14.5px; margin-bottom:20px; }
.alert-success{ background:#e5f4ea; color:#1e6b3a; border:1px solid #bfe6cc; }
.alert-error{ background:#fdeceb; color:#a83227; border:1px solid #f5c6c1; }

/* ---------------- Footer ---------------- */
.site-footer{ background: var(--navy); color: rgba(255,255,255,0.65); padding-top:64px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap:40px; padding-bottom:48px; }
.footer-grid h4{ color:#fff; font-size:14.5px; margin-bottom:18px; letter-spacing:.05em; }
.footer-grid ul li{ margin-bottom:11px; font-size:14.5px; }
.footer-grid ul li a:hover{ color: var(--orange); }
.footer-logo{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.footer-logo-img{ height:34px; width:auto; display:block; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1); padding:22px 0; display:flex;
  justify-content:space-between; font-size:13px; flex-wrap:wrap; gap:10px;
}
.social-row{ display:flex; gap:12px; margin-top:16px; }
.social-row a{ width:36px; height:36px; border:1px solid rgba(255,255,255,0.2); border-radius:50%; display:flex; align-items:center; justify-content:center; }
.social-row a:hover{ background: var(--orange); border-color: var(--orange); }
.social-row svg{ width:16px; height:16px; stroke:#fff; }

/* ---------------- Page banner (inner pages) ---------------- */
.page-banner{ background: var(--navy); color:#fff; padding: 62px 0; position:relative; overflow:hidden; }
.page-banner::before{
  content:""; position:absolute; inset:0;
  background-image: repeating-linear-gradient(0deg, var(--blueprint-line) 0 1px, transparent 1px 40px), repeating-linear-gradient(90deg, var(--blueprint-line) 0 1px, transparent 1px 40px);
}
.page-banner .container{ position:relative; z-index:2; }
.breadcrumb{ font-family:'Space Mono', monospace; font-size:12.5px; color: rgba(255,255,255,0.6); margin-top:10px; }
.breadcrumb a:hover{ color:var(--orange); }

/* ---------------- WhatsApp float ---------------- */
.wa-float{
  position:fixed; bottom:26px; right:26px; width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center; z-index:900;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}
.wa-float svg{ width:28px; height:28px; fill:#fff; }

/* ---------------- Utilities ---------------- */
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.text-orange{ color: var(--orange); }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .split{ grid-template-columns:1fr; }
  .process-grid{ grid-template-columns: repeat(2,1fr); }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
  .testi-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px){
  .logo-img{ height:34px; }
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed; top:73px; left:0; right:0; bottom:0; background:var(--navy);
    flex-direction:column; align-items:stretch; padding:20px; transform: translateX(-100%);
    transition: transform .25s ease; overflow-y:auto;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav > ul{ flex-direction:column; align-items:stretch; }
  .dropdown{ position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; display:none; background: rgba(255,255,255,0.04); border-top:none; }
  .has-dropdown.open .dropdown{ display:block; }
  .header-phone{ display:none; }
  .services-grid{ grid-template-columns:1fr; }
  .process-grid{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:1fr 1fr; }
  .form-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .cta-band .container{ flex-direction:column; text-align:center; }
}
@media (max-width: 480px){
  .gallery-grid{ grid-template-columns:1fr; }
  .hero{ padding: 70px 0 90px; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation:none !important; }
}