/* ==========================================================================
   Montenegro Drone Company Inc. — Site Stylesheet
   ========================================================================== */

:root{
  --bg:            #15171a;
  --bg-alt:        #1c1f22;
  --bg-card:       #22262a;
  --bg-card-hover: #282c31;
  --line:          #34383d;
  --line-soft:     #2a2e33;

  --red:           #8f2a22;
  --red-dark:      #5c1b16;
  --copper:        #c8793f;
  --copper-light:  #e2975e;
  --copper-pale:   #f0c39a;

  --text:          #f3efe9;
  --text-dim:      #c9c4bc;
  --text-mute:     #8d8b88;

  --grad-accent:   linear-gradient(120deg, var(--red) 0%, var(--copper) 55%, var(--copper-light) 100%);
  --grad-hero:     linear-gradient(180deg, rgba(21,23,26,0.2) 0%, rgba(21,23,26,0.96) 100%);

  --radius: 4px;
  --maxw: 1180px;

  --shadow-1: 0 10px 30px -12px rgba(0,0,0,0.55);
  --shadow-2: 0 2px 10px -2px rgba(0,0,0,0.4);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Barlow', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size:16px;
  line-height:1.65;
  -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:'Oswald','Barlow Condensed',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.03em;
  font-weight:600;
  line-height:1.2;
  margin:0 0 0.5em;
  color:var(--text);
}
h1{ font-size:clamp(2rem,4.6vw,3.4rem); font-weight:700; letter-spacing:0.02em; }
h2{ font-size:clamp(1.5rem,2.6vw,2.2rem); }
h3{ font-size:1.2rem; }
p{ margin:0 0 1em; color:var(--text-dim); }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:'Oswald',sans-serif;
  font-size:0.78rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--copper-light);
  margin-bottom:0.9em;
}
.eyebrow::before{
  content:"";
  width:28px; height:2px;
  background:var(--grad-accent);
  display:inline-block;
}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:14px 30px;
  font-family:'Oswald',sans-serif;
  font-size:0.82rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  font-weight:500;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-accent);
  color:#fff;
  box-shadow:var(--shadow-2);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:var(--shadow-1); }
.btn-outline{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-outline:hover{ border-color:var(--copper); color:var(--copper-light); }
.btn-block{ width:100%; justify-content:center; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  background:rgba(21,23,26,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  max-width:var(--maxw);
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand img{ height:42px; width:auto; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text .name{
  font-family:'Oswald',sans-serif;
  font-size:0.98rem;
  letter-spacing:0.05em;
  font-weight:600;
  color:var(--text);
}
.brand-text .tag{
  font-size:0.62rem;
  letter-spacing:0.22em;
  color:var(--copper-light);
  text-transform:uppercase;
  margin-top:3px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:34px;
}
.nav-links a{
  font-family:'Oswald',sans-serif;
  font-size:0.8rem;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--text-dim);
  position:relative;
  padding:6px 0;
  transition:color .15s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--copper-light); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:2px;
  background:var(--grad-accent);
}
.nav-cta{ margin-left:6px; }
.nav-toggle{
  display:none;
  background:none; border:none;
  color:var(--text);
  font-size:1.6rem;
  cursor:pointer;
}

@media (max-width: 900px){
  .nav-toggle{ display:block; }
  .nav-links{
    position:absolute;
    top:100%; left:0; right:0;
    background:var(--bg-alt);
    border-bottom:1px solid var(--line-soft);
    flex-direction:column;
    align-items:flex-start;
    padding:18px 24px 26px;
    gap:18px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-cta{ margin-left:0; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:170px 0 110px;
  overflow:hidden;
  background:var(--bg-alt);
}
.hero-svg-bg{
  position:absolute; inset:0;
  width:100%; height:100%;
  opacity:0.55;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:760px;
}
.hero.hero-sub{ padding:150px 0 80px; }
.hero.hero-sub .hero-inner{ max-width:820px; }
.hero p.lead{
  font-size:1.12rem;
  color:var(--text-dim);
  max-width:640px;
}
.hero-actions{
  display:flex; gap:16px; margin-top:32px; flex-wrap:wrap;
}
.hero-stats{
  position:relative; z-index:2;
  display:flex; gap:48px;
  margin-top:64px;
  flex-wrap:wrap;
  border-top:1px solid var(--line-soft);
  padding-top:34px;
}
.hero-stats .stat b{
  display:block;
  font-family:'Oswald',sans-serif;
  font-size:2rem;
  background:var(--grad-accent);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-stats .stat span{
  font-size:0.78rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--text-mute);
}

/* ---------- Sections ---------- */
section{ padding:96px 0; }
.section-alt{ background:var(--bg-alt); }
.section-head{
  max-width:680px;
  margin:0 0 56px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

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

.card{
  background:var(--bg-card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:34px 28px;
  transition:border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover{ border-color:var(--copper); transform:translateY(-4px); background:var(--bg-card-hover); }
.card .icon{
  width:52px; height:52px;
  margin-bottom:20px;
  color:var(--copper-light);
}
.card h3{ margin-bottom:0.5em; }
.card p{ margin-bottom:0.6em; font-size:0.95rem; }
.card-link{
  font-family:'Oswald',sans-serif;
  font-size:0.76rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--copper-light);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
}

/* Service block (image/text alternating) */
.service-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:64px 0;
  border-bottom:1px solid var(--line-soft);
}
.service-block:last-child{ border-bottom:none; }
.service-block.reverse .service-media{ order:2; }
.service-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-card);
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
}
.service-media svg{ width:100%; height:100%; }
.service-copy .index{
  font-family:'Oswald',sans-serif;
  font-size:0.8rem;
  letter-spacing:0.2em;
  color:var(--text-mute);
}
@media (max-width:860px){
  .service-block, .service-block.reverse{ grid-template-columns:1fr; }
  .service-block.reverse .service-media{ order:0; }
}

/* Stat / value strip */
.value-strip{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.value-strip .v-item{
  padding:30px 20px;
  text-align:center;
  border-left:1px solid var(--line-soft);
}
.value-strip .v-item:first-child{ border-left:none; }
.value-strip .icon{ width:34px; height:34px; margin:0 auto 12px; color:var(--copper-light); }
.value-strip span{ display:block; font-size:0.8rem; color:var(--text-dim); }
@media (max-width:860px){
  .value-strip{ grid-template-columns:repeat(2,1fr); }
  .value-strip .v-item:nth-child(odd){ border-left:none; }
}

/* Timeline / difference list */
.diff-row{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:26px;
  padding:32px 0;
  border-bottom:1px solid var(--line-soft);
}
.diff-row:last-child{ border-bottom:none; }
.diff-num{
  font-family:'Oswald',sans-serif;
  font-size:1.6rem;
  color:transparent;
  -webkit-text-stroke:1.4px var(--copper);
}

/* Badge row (certifications) */
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.badge{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--bg-card);
  font-family:'Oswald',sans-serif;
  font-size:0.78rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--text-dim);
}
.badge svg{ width:18px; height:18px; color:var(--copper-light); }

/* CTA banner */
.cta-banner{
  background:var(--grad-accent);
  border-radius:var(--radius);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
}
.cta-banner h2, .cta-banner p{ color:#fff2e8; }
.cta-banner .btn-outline{ border-color:#fff; color:#fff; }
.cta-banner .btn-outline:hover{ background:rgba(255,255,255,0.15); }

/* Sector tags */
.sector-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.sector-item{
  display:flex;
  gap:14px;
  padding:20px;
  background:var(--bg-card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
}
.sector-item .icon{ width:30px; height:30px; flex:none; color:var(--copper-light); }
@media (max-width:640px){ .sector-list{ grid-template-columns:1fr; } }

/* Quote / testimonial style panel */
.panel{
  background:var(--bg-card);
  border:1px solid var(--line-soft);
  border-left:3px solid var(--copper);
  padding:30px 32px;
  border-radius:var(--radius);
}

/* Contact page */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
}
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-detail{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line-soft);
}
.contact-detail .icon{ width:24px; height:24px; color:var(--copper-light); flex:none; margin-top:2px; }
.contact-detail h4{ margin-bottom:2px; font-size:0.95rem; }
.contact-detail p{ margin:0; font-size:0.92rem; }

form.form{ display:flex; flex-direction:column; gap:16px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }
.form label{
  display:block;
  font-family:'Oswald',sans-serif;
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--text-mute);
  margin-bottom:6px;
}
.form input, .form select, .form textarea{
  width:100%;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:13px 14px;
  color:var(--text);
  font-family:inherit;
  font-size:0.95rem;
}
.form input:focus, .form select:focus, .form textarea:focus{
  outline:none;
  border-color:var(--copper);
}
.form textarea{ resize:vertical; min-height:120px; }

/* Map placeholder */
.map-frame{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line-soft);
  aspect-ratio:16/10;
}
.map-frame iframe{ width:100%; height:100%; border:0; filter:grayscale(0.3) invert(0.92) contrast(0.9); }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line-soft);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-soft);
}
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; gap:32px; } }
.footer-brand .brand{ margin-bottom:16px; }
.footer-brand p{ font-size:0.9rem; max-width:340px; }
.footer-col h4{
  font-size:0.78rem;
  letter-spacing:0.14em;
  color:var(--copper-light);
  margin-bottom:18px;
}
.footer-col ul li{ margin-bottom:10px; }
.footer-col ul li a{ font-size:0.92rem; color:var(--text-dim); }
.footer-col ul li a:hover{ color:var(--copper-light); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:26px;
  flex-wrap:wrap;
  gap:12px;
  font-size:0.8rem;
  color:var(--text-mute);
}
.footer-bottom a{ color:var(--text-mute); }
.footer-bottom a:hover{ color:var(--copper-light); }

/* Utility */
.mt-0{ margin-top:0; }
.text-center{ text-align:center; }
.w-icon{ width:100%; height:100%; }