/* =========================================================
   STEREO SURVEY — stylesheet principal
   ========================================================= */

:root{
  --navy:        #0b2942;
  --navy-dark:   #071b2c;
  --blue:        #1573b8;
  --blue-light:  #4fb3e8;
  --cyan:        #4fc3d9;
  --ink:         #14202b;
  --ink-soft:    #46586a;
  --paper:       #ffffff;
  --paper-soft:  #f4f8fb;
  --border:      #e1e9f0;
  --amber:       #f2a63a;
  --green:       #3fb27f;

  --radius:      14px;
  --radius-lg:   22px;
  --shadow:      0 10px 30px -12px rgba(11,41,66,.25);
  --shadow-sm:   0 4px 14px -6px rgba(11,41,66,.18);

  --font-head:   'Poppins', 'Segoe UI', system-ui, sans-serif;
  --font-body:   'Inter', 'Segoe UI', system-ui, sans-serif;

  color-scheme: light;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:120px; }
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{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-head); color:var(--navy); line-height:1.2; margin:0 0 .5em; }
p{ margin:0 0 1em; }
.wrap{ max-width:1180px; margin:0 auto; padding:0 20px; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--navy); color:#fff;
  padding:10px 16px; z-index:999; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

.visually-hidden{
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; justify-content:center;
  padding:13px 24px; border-radius:999px; font-weight:600; font-size:.97rem;
  font-family:var(--font-head); border:2px solid transparent; cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--amber); color:var(--navy-dark); box-shadow:var(--shadow-sm); }
.btn-primary:hover{ background:#e6982e; }
.btn-cta{ background:var(--amber); color:var(--navy-dark); }
.btn-outline{ border-color:rgba(255,255,255,.7); color:#fff; }
.btn-outline:hover{ background:rgba(255,255,255,.12); }
.btn-navy{ background:var(--navy); color:#fff; }
.btn-navy:hover{ background:var(--navy-dark); }
.btn-light{ background:#fff; color:var(--navy); }
.btn-light:hover{ background:#eef4f9; }
.btn-outline-light{ border-color:rgba(255,255,255,.85); color:#fff; }
.btn-outline-light:hover{ background:rgba(255,255,255,.15); }
.btn-block{ width:100%; }
.btn-sm{ padding:9px 18px; font-size:.88rem; }

/* ---------- Top bar ---------- */
.topbar{ background:var(--navy-dark); color:#cfe3f2; font-size:.82rem; }
.topbar-inner{ display:flex; justify-content:space-between; align-items:center; padding:8px 20px; gap:12px; flex-wrap:wrap; }
.topbar-contact{ display:flex; gap:20px; flex-wrap:wrap; }
.topbar-contact a{ color:#cfe3f2; }
.topbar-contact a:hover{ color:#fff; }
.topbar-meta{ opacity:.85; }

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100; background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px); border-bottom:1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:12px 20px; gap:16px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ border-radius:10px; }
.brand-text strong{ display:block; font-family:var(--font-head); font-size:1.12rem; color:var(--navy); letter-spacing:.02em; }
.brand-text small{ display:block; font-size:.72rem; color:var(--ink-soft); letter-spacing:.03em; text-transform:uppercase; }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav ul{ display:flex; gap:22px; align-items:center; }
.main-nav a{ font-weight:600; font-size:.95rem; color:var(--ink); padding:8px 2px; position:relative; }
.main-nav > ul > li > a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--blue);
  transform:scaleX(0); transition:transform .2s ease; transform-origin:left;
}
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li > a.active::after{ transform:scaleX(1); }
.main-nav a.active{ color:var(--blue); }
.nav-cta{ padding:10px 20px; }

.has-dropdown{ position:relative; }
.dropdown{
  position:absolute; top:100%; left:-16px; background:#fff; border:1px solid var(--border);
  border-radius:12px; box-shadow:var(--shadow); padding:8px; min-width:260px;
  opacity:0; visibility:hidden; transform:translateY(6px); transition:all .18s ease;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown li a{ display:block; padding:9px 12px; border-radius:8px; font-weight:500; }
.dropdown li a:hover{ background:var(--paper-soft); color:var(--blue); }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; padding:8px; cursor:pointer; }
.nav-toggle span{ width:24px; height:2px; background:var(--navy); border-radius:2px; }

/* ---------- Hero ---------- */
.hero{
  position:relative; color:#fff; overflow:hidden;
  background:linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 60%);
}
.hero-bg{
  position:absolute; inset:0; background-size:cover; background-position:center;
  opacity:.55;
}
.hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(7,27,44,.96) 15%, rgba(7,27,44,.72) 55%, rgba(21,115,184,.35) 100%);
}
.hero-inner{ position:relative; padding:96px 20px 84px; max-width:1180px; margin:0 auto; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.25); padding:6px 14px; border-radius:999px;
  font-size:.82rem; font-weight:600; letter-spacing:.03em; margin-bottom:22px;
}
.hero h1{ color:#fff; font-size:clamp(2rem, 4.2vw, 3.4rem); max-width:820px; margin-bottom:18px; }
.hero p.lead{ font-size:1.15rem; max-width:640px; color:#dbe9f4; margin-bottom:32px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px; }
.hero-stats{ display:flex; gap:36px; flex-wrap:wrap; }
.hero-stats div{ min-width:120px; }
.hero-stats strong{ display:block; font-family:var(--font-head); font-size:1.8rem; color:#fff; }
.hero-stats span{ font-size:.85rem; color:#b9cfe0; }

.page-hero{
  position:relative; color:#fff; padding:70px 20px 56px; overflow:hidden;
  background:linear-gradient(150deg, var(--navy) 0%, var(--navy-dark) 100%);
}
.page-hero-bg{ position:absolute; inset:0; background-size:cover; background-position:center; opacity:.32; }
.page-hero-overlay{ position:absolute; inset:0; background:linear-gradient(120deg, rgba(7,27,44,.92), rgba(21,115,184,.55)); }
.page-hero-inner{ position:relative; max-width:900px; margin:0 auto; text-align:center; }
.page-hero h1{ color:#fff; font-size:clamp(1.8rem, 3.6vw, 2.7rem); margin-bottom:12px; }
.page-hero p{ color:#dbe9f4; font-size:1.05rem; max-width:640px; margin:0 auto; }
.breadcrumbs{ font-size:.85rem; color:#b9cfe0; margin-bottom:16px; }
.breadcrumbs a{ color:#b9cfe0; } .breadcrumbs a:hover{ color:#fff; }

/* ---------- Sections ---------- */
section{ padding:76px 0; }
.section-soft{ background:var(--paper-soft); }
.section-navy{ background:var(--navy); color:#fff; }
.section-navy h2{ color:#fff; }
.section-head{ max-width:680px; margin:0 auto 48px; text-align:center; }
.section-head.left{ margin-left:0; text-align:left; }
.kicker{
  display:inline-block; font-family:var(--font-head); font-weight:700; font-size:.8rem;
  letter-spacing:.09em; text-transform:uppercase; color:var(--blue); margin-bottom:10px;
}
.section-navy .kicker{ color:var(--cyan); }
.section-head h2{ font-size:clamp(1.6rem, 3vw, 2.3rem); }
.section-head p{ color:var(--ink-soft); font-size:1.04rem; }
.section-navy .section-head p{ color:#c7dcec; }

/* ---------- Grids / cards ---------- */
.grid{ display:grid; gap:24px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }

.card{
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:30px 26px; box-shadow:var(--shadow-sm); transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.card .icon{
  width:54px; height:54px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(140deg, var(--blue), var(--cyan)); font-size:1.5rem; margin-bottom:18px;
}
.card h3{ font-size:1.12rem; margin-bottom:10px; }
.card p{ color:var(--ink-soft); font-size:.96rem; margin-bottom:14px; }
.card a.more{ font-weight:600; color:var(--blue); font-size:.92rem; }
.card a.more:hover{ text-decoration:underline; }

.service-card-img{
  border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--border);
  box-shadow:var(--shadow-sm); background:#fff;
}
.service-card-img img{ height:190px; width:100%; object-fit:cover; }
.service-card-img .body{ padding:22px; }

/* ---------- Split / feature rows ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.split img{ border-radius:var(--radius-lg); box-shadow:var(--shadow); width:100%; height:420px; object-fit:cover; }
.split.reverse .split-media{ order:2; }
.split-media{ position:relative; }
.split-badge{
  position:absolute; bottom:-18px; left:-18px; background:#fff; border-radius:14px; padding:14px 18px;
  box-shadow:var(--shadow); font-family:var(--font-head); font-weight:700; color:var(--navy);
  display:flex; align-items:center; gap:10px; font-size:.95rem;
}
.split-badge span.n{ font-size:1.5rem; color:var(--blue); }

.check-list li{ display:flex; gap:10px; margin-bottom:12px; align-items:flex-start; }
.check-list li::before{ content:"✓"; color:var(--green); font-weight:800; flex:none; }

/* ---------- Stats strip ---------- */
.stats-strip{ background:var(--navy); color:#fff; padding:44px 0; }
.stats-strip .grid{ grid-template-columns:repeat(4,1fr); text-align:center; }
.stats-strip strong{ display:block; font-family:var(--font-head); font-size:2.1rem; color:#fff; }
.stats-strip span{ color:#b9cfe0; font-size:.88rem; }

/* ---------- Steps / process ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; counter-reset:step; }
.step{ position:relative; padding:26px 20px 20px; background:#fff; border:1px solid var(--border); border-radius:var(--radius); }
.step::before{
  counter-increment:step; content:counter(step);
  position:absolute; top:-16px; left:20px; width:34px; height:34px; border-radius:50%;
  background:var(--amber); color:var(--navy-dark); font-family:var(--font-head); font-weight:800;
  display:flex; align-items:center; justify-content:center; font-size:.95rem; box-shadow:var(--shadow-sm);
}
.step h3{ margin-top:8px; font-size:1.02rem; }
.step p{ color:var(--ink-soft); font-size:.92rem; margin:0; }

/* ---------- CTA band ---------- */
.cta-band{ background:linear-gradient(120deg, var(--blue) 0%, var(--navy) 100%); color:#fff; padding:46px 0; }
.cta-band-inner{ display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap; }
.cta-band h2{ color:#fff; font-size:1.4rem; margin-bottom:6px; }
.cta-band p{ color:#dcecf7; margin:0; }
.cta-band-buttons{ display:flex; gap:12px; flex-wrap:wrap; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-dark); color:#c7d9e6; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:36px; padding:64px 20px 40px; }
.footer-col h3{ color:#fff; font-size:1rem; margin-bottom:16px; }
.footer-col ul li{ margin-bottom:10px; font-size:.92rem; }
.footer-col a:hover{ color:#fff; }
.footer-brand img{ margin-bottom:14px; border-radius:10px; background:#fff; padding:4px; }
.footer-brand p{ font-size:.9rem; color:#a9c1d3; }
.footer-social{ display:flex; gap:14px; margin-top:14px; }
.footer-social a{ font-size:.85rem; font-weight:600; border:1px solid rgba(255,255,255,.25); padding:8px 14px; border-radius:999px; }
.footer-social a:hover{ background:rgba(255,255,255,.1); }
.footer-contact li{ display:flex; gap:8px; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); }
.footer-bottom-inner{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; padding:20px; font-size:.8rem; color:#8fa9bd; }

.whatsapp-float{
  position:fixed; right:22px; bottom:22px; width:58px; height:58px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.3); z-index:200; transition:transform .18s ease;
}
.whatsapp-float:hover{ transform:scale(1.08); }

/* ---------- Page-specific bits ---------- */
.badge{
  display:inline-flex; align-items:center; gap:6px; background:var(--paper-soft); border:1px solid var(--border);
  padding:6px 12px; border-radius:999px; font-size:.82rem; font-weight:600; color:var(--navy);
}
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{
  background:#fff; border:1px solid var(--border); padding:8px 14px; border-radius:999px;
  font-size:.85rem; color:var(--ink-soft); font-weight:500;
}

.anchor-nav{
  position:sticky; top:73px; z-index:60; background:#fff; border-bottom:1px solid var(--border);
  overflow-x:auto;
}
.anchor-nav .wrap{ display:flex; gap:8px; padding:12px 20px; }
.anchor-nav a{
  white-space:nowrap; font-weight:600; font-size:.88rem; padding:9px 16px; border-radius:999px;
  border:1px solid var(--border); color:var(--ink-soft);
}
.anchor-nav a:hover, .anchor-nav a.is-active{ background:var(--navy); border-color:var(--navy); color:#fff; }

.service-block{ padding:64px 0; border-bottom:1px solid var(--border); scroll-margin-top:130px; }
.service-block:last-child{ border-bottom:0; }
.service-block-head{ display:grid; grid-template-columns:1.1fr .9fr; gap:44px; align-items:center; margin-bottom:38px; }
.service-block-head img{ border-radius:var(--radius-lg); box-shadow:var(--shadow); width:100%; height:280px; object-fit:cover; }
.service-block-head.reverse{ grid-template-columns:.9fr 1.1fr; }
.service-block-head.reverse > *:first-child{ order:2; }
.service-icon-lg{
  width:56px; height:56px; border-radius:14px; background:linear-gradient(140deg, var(--blue), var(--cyan));
  display:flex; align-items:center; justify-content:center; font-size:1.6rem; margin-bottom:16px;
}
.service-groups{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px 40px; }
.service-group h3{
  font-family:var(--font-head); color:var(--navy); font-size:1rem; margin-bottom:12px;
  padding-bottom:8px; border-bottom:2px solid var(--paper-soft);
}
.service-group ul li{ position:relative; padding-left:20px; margin-bottom:9px; font-size:.94rem; color:var(--ink-soft); }
.service-group ul li::before{ content:"›"; position:absolute; left:0; color:var(--blue); font-weight:800; }
.service-group-img{
  width:100%; height:160px; object-fit:cover; border-radius:var(--radius);
  margin-bottom:16px; box-shadow:var(--shadow-sm);
}

.project-types-band{ background:var(--paper-soft); border-radius:var(--radius-lg); padding:32px; margin-top:12px; }
.project-types-band h3{ margin-bottom:16px; font-size:1.05rem; }

/* Portfolio */
.portfolio-summary{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-bottom:52px; }
.portfolio-summary .card{ text-align:center; }
.portfolio-summary strong{ display:block; font-family:var(--font-head); font-size:2.2rem; color:var(--blue); }
.project-group{ margin-bottom:48px; }
.project-group h3{ display:flex; align-items:center; gap:12px; font-size:1.3rem; margin-bottom:20px; }
.project-group h3 .count{ font-size:.78rem; font-weight:700; background:var(--paper-soft); color:var(--ink-soft); padding:4px 10px; border-radius:999px; }
.project-table{ width:100%; border-collapse:collapse; background:#fff; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border); }
.project-table th, .project-table td{ text-align:left; padding:13px 18px; font-size:.94rem; border-bottom:1px solid var(--border); }
.project-table th{ background:var(--paper-soft); color:var(--navy); font-family:var(--font-head); font-size:.82rem; text-transform:uppercase; letter-spacing:.04em; }
.project-table tr:last-child td{ border-bottom:0; }
.project-table tr:hover td{ background:#fbfdff; }

/* Gallery */
.gallery-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.gallery-item{
  position:relative; border-radius:12px; overflow:hidden; cursor:zoom-in; aspect-ratio:3/4; background:var(--paper-soft);
}
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition:transform .3s ease; }
.gallery-item:hover img{ transform:scale(1.07); }
.gallery-filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; }
.gallery-filters button{
  border:1px solid var(--border); background:#fff; padding:9px 18px; border-radius:999px; font-weight:600;
  font-size:.88rem; cursor:pointer; color:var(--ink-soft);
}
.gallery-filters button.active{ background:var(--navy); border-color:var(--navy); color:#fff; }

.lightbox{
  position:fixed; inset:0; background:rgba(7,17,26,.94); z-index:1000; display:none;
  align-items:center; justify-content:center; padding:30px;
}
.lightbox.open{ display:flex; }
.lightbox img{ max-width:92vw; max-height:86vh; border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,.5); }
.lightbox-close, .lightbox-prev, .lightbox-next{
  position:absolute; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.3); color:#fff;
  border-radius:50%; width:46px; height:46px; display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; cursor:pointer;
}
.lightbox-close{ top:22px; right:22px; }
.lightbox-prev{ left:22px; top:50%; transform:translateY(-50%); }
.lightbox-next{ right:22px; top:50%; transform:translateY(-50%); }
.lightbox-count{ position:absolute; bottom:20px; left:50%; transform:translateX(-50%); color:#cfe3f2; font-size:.85rem; }

/* Team */
.team-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.team-fact{ background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
.team-fact strong{ display:block; font-family:var(--font-head); color:var(--navy); font-size:1.15rem; margin-bottom:6px; }
.team-fact p{ margin:0; color:var(--ink-soft); font-size:.92rem; }

.values-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.value-card{ text-align:center; padding:28px 18px; }
.value-card .icon{ margin:0 auto 16px; }

/* Timeline */
.timeline{ border-left:2px solid var(--border); padding-left:28px; margin-left:8px; }
.timeline-item{ position:relative; padding-bottom:34px; }
.timeline-item::before{
  content:""; position:absolute; left:-34px; top:2px; width:12px; height:12px; border-radius:50%;
  background:var(--blue); border:3px solid #fff; box-shadow:0 0 0 2px var(--blue);
}
.timeline-item h4{ margin-bottom:4px; }
.timeline-item span{ font-size:.82rem; color:var(--blue); font-weight:700; text-transform:uppercase; letter-spacing:.03em; }

/* Contact page */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:44px; align-items:start; }
.contact-card{ background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg); padding:30px; box-shadow:var(--shadow-sm); }
.contact-info-item{ display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--border); }
.contact-info-item:last-child{ border-bottom:0; }
.contact-info-item .ic{
  width:44px; height:44px; border-radius:12px; background:var(--paper-soft); display:flex; align-items:center;
  justify-content:center; font-size:1.2rem; flex:none;
}
.contact-info-item h3{ margin-bottom:2px; font-size:.98rem; }
.contact-info-item p{ margin:0; color:var(--ink-soft); font-size:.92rem; }
.contact-info-item a{ color:var(--blue); font-weight:600; }

.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-weight:600; font-size:.9rem; margin-bottom:6px; color:var(--navy); }
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--border); border-radius:10px; font-family:var(--font-body);
  font-size:.95rem; background:#fbfdff; transition:border-color .15s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{ outline:none; border-color:var(--blue); background:#fff; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-note{ font-size:.8rem; color:var(--ink-soft); margin-top:10px; }
.form-success{ background:#e9f9f1; border:1px solid #b7e8cf; color:#1c6b47; padding:16px 18px; border-radius:12px; margin-bottom:22px; font-weight:600; }
.form-error{ background:#fdecec; border:1px solid #f3b9b9; color:#9c2b2b; padding:16px 18px; border-radius:12px; margin-bottom:22px; font-weight:600; }

.map-embed{ border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--border); box-shadow:var(--shadow-sm); }
.map-embed iframe{ width:100%; height:340px; border:0; display:block; }

/* Not-found */
.not-found{ text-align:center; padding:100px 20px; }
.not-found h1{ font-size:5rem; color:var(--blue); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .split{ grid-template-columns:1fr; gap:34px; }
  .split-media{ order:-1 !important; }
  .split img{ height:300px; }
  .stats-strip .grid{ grid-template-columns:repeat(2,1fr); gap:30px; }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .service-block-head{ grid-template-columns:1fr; }
  .service-block-head img{ height:220px; order:-1; }
  .service-groups{ grid-template-columns:1fr; }
  .portfolio-summary{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:repeat(3,1fr); }
  .team-grid{ grid-template-columns:1fr 1fr; }
  .values-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-width: 720px){
  .main-nav{
    position:fixed; top:0; right:0; height:100vh; width:min(320px,85vw); background:#fff;
    flex-direction:column; align-items:flex-start; padding:90px 26px 26px; box-shadow:-10px 0 40px rgba(0,0,0,.15);
    transform:translateX(100%); transition:transform .25s ease; overflow-y:auto;
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:6px; width:100%; }
  .main-nav > ul > li{ width:100%; }
  .main-nav > ul > li > a{ display:block; padding:12px 4px; }
  .dropdown{ position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:0; padding:0 0 0 14px; display:none; }
  .has-dropdown.open .dropdown{ display:block; }
  .nav-cta{ margin-top:18px; width:100%; text-align:center; }
  .nav-toggle{ display:flex; }
  .topbar-inner{ font-size:.74rem; }
  .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; }
  .cta-band-inner{ text-align:center; justify-content:center; }
  .hero-inner{ padding:64px 20px 56px; }
  .hero-stats{ gap:22px; }
  .footer-grid{ grid-template-columns:1fr; padding:48px 20px 30px; }
  .form-row{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .team-grid{ grid-template-columns:1fr; }
  .values-grid{ grid-template-columns:1fr; }
  section{ padding:56px 0; }
}