/* ============================================================
   SIFCON PANEL — Tactical Spec-Sheet Design System
   ============================================================ */

:root {
  /* Palette */
  --ink:        #0B0D11;   /* near-black base */
  --steel:      #12161C;   /* section panels */
  --steel-2:    #1A2029;   /* raised cards */
  --line:       #2A313B;   /* hairline borders */
  --concrete:   #8D939B;   /* muted grey text */
  --concrete-2: #C3C7CC;   /* brighter grey */
  --paper:      #ECEDEA;   /* off-white */
  --signal:     #E3A02A;   /* hazard amber accent */
  --signal-2:   #F2B84B;   /* lighter amber */
  --signal-dim: rgba(227,160,42,0.12);

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --wrap: 1180px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--concrete-2);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color .25s; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------- Reusable eyebrow / section markers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--signal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--signal);
  display: inline-block;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; color: var(--paper); letter-spacing: .01em; }

.h-xl { font-size: clamp(2.6rem, 6vw, 5rem); text-transform: uppercase; font-weight: 700; }
.h-lg { font-size: clamp(1.9rem, 4vw, 3rem); text-transform: uppercase; }
.h-md { font-size: clamp(1.4rem, 2.6vw, 2rem); text-transform: uppercase; }

p { color: var(--concrete); font-size: .98rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%;
  z-index: 1000;
  background: rgba(11,13,17,.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.site-header.scrolled { background: rgba(11,13,17,.96); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px;
}
.brand img { height: 40px; width: auto; object-fit: contain; }

.nav-menu { display: flex; align-items: center; gap: 34px; }
.nav-menu a {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--concrete-2);
  position: relative;
  padding: 6px 0;
}
.nav-menu a:hover { color: var(--signal); }
.nav-menu a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--signal); transition: width .28s;
}
.nav-menu a:hover::after { width: 100%; }

.nav-cta {
  border: 1px solid var(--signal) !important;
  color: var(--signal) !important;
  padding: 9px 20px !important;
  transition: all .25s;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--signal); color: var(--ink) !important; }

.burger { display: none; flex-direction: column; gap: 6px; cursor: pointer; z-index: 1100; background: none; border: none; }
.burger span { width: 26px; height: 2px; background: var(--paper); transition: .3s; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 130px 0 80px;
  background:
    radial-gradient(circle at 80% 20%, rgba(227,160,42,.08), transparent 45%),
    linear-gradient(180deg, #0B0D11 0%, #10141A 100%);
  overflow: hidden;
}
/* faint concrete grid */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .18;
  mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 78%);
}
.hero .wrap { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}

.hero h1 { margin-bottom: 26px; }
.hero h1 .amber { color: var(--signal); display: block; }

.hero-lead { font-size: 1.05rem; color: var(--concrete-2); max-width: 560px; margin-bottom: 34px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* spec readout panel on the right */
.hero-panel {
  border: 1px solid var(--line);
  background: rgba(18,22,28,.6);
  padding: 0;
  position: relative;
}
.hero-panel .panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--concrete);
}
.hero-panel .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.hero-panel .spec-rows { padding: 8px 0; }
.spec-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 18px;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono); font-size: .8rem;
}
.spec-row:last-child { border-bottom: none; }
.spec-row .k { color: var(--concrete); letter-spacing: .06em; }
.spec-row .v { color: var(--paper); font-weight: 500; }
.spec-row .v.hl { color: var(--signal); }

/* corner ticks */
.ticked { position: relative; }
.ticked::before, .ticked::after {
  content: ''; position: absolute; width: 12px; height: 12px; border: 1px solid var(--signal);
}
.ticked::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.ticked::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 15px 30px;
  cursor: pointer; border: none; transition: all .25s;
}
.btn svg { width: 15px; height: 15px; }
.btn-solid { background: var(--signal); color: var(--ink); font-weight: 600; }
.btn-solid:hover { background: var(--signal-2); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--paper); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* ============================================================
   GENERIC SECTION
   ============================================================ */
.section { padding: 110px 0; }
.section.alt { background: var(--steel); }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head p { margin-top: 16px; }

/* ============================================================
   ABOUT DEFENCE (long intro) — two column
   ============================================================ */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.intro-col p { margin-bottom: 18px; }
.intro-col p:first-child::first-letter {
  font-family: var(--font-display);
  font-size: 3.4rem; float: left; line-height: .8;
  color: var(--signal); margin: 6px 12px 0 0; font-weight: 700;
}

/* ============================================================
   PRODUCT / SIFCON block
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-body p { margin-bottom: 16px; }
.split-media img {
  width: 100%; border: 1px solid var(--line);
  filter: grayscale(.15) contrast(1.04);
}
.media-tag {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--concrete);
  margin-top: 12px; display: flex; justify-content: space-between;
}
.media-tag .amber { color: var(--signal); }

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-right: none;
  background: var(--steel);
}
.stat { padding: 40px 28px; border-right: 1px solid var(--line); }
.stat .num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--signal); line-height: 1; }
.stat .lbl { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--concrete); margin-top: 12px; }

/* ============================================================
   FEATURE LIST (Roschcrete)
   ============================================================ */
.feat-list { margin-top: 8px; }
.feat-list li {
  position: relative; padding: 16px 0 16px 40px;
  border-bottom: 1px solid var(--line);
  color: var(--concrete-2); font-size: .95rem;
}
.feat-list li:last-child { border-bottom: none; }
.feat-list li::before {
  content: counter(feat, decimal-leading-zero);
  counter-increment: feat;
  position: absolute; left: 0; top: 16px;
  font-family: var(--font-mono); font-size: .78rem; color: var(--signal);
}
.feat-wrap { counter-reset: feat; }

/* ============================================================
   GALLERY
   ============================================================ */
.gal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.gal-item { position: relative; overflow: hidden; cursor: pointer; border: 1px solid var(--line); background: var(--steel); }
.gal-item img { width: 100%; height: 300px; object-fit: cover; filter: grayscale(.2); transition: transform .6s, filter .4s; }
.gal-item:hover img { transform: scale(1.06); filter: grayscale(0); }
.gal-item .gal-meta {
  position: absolute; left: 0; bottom: 0;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--paper);
  background: rgba(11,13,17,.8); padding: 8px 12px;
  border-top: 1px solid var(--signal); border-right: 1px solid var(--signal);
  opacity: 0; transform: translateY(8px); transition: .3s;
}
.gal-item:hover .gal-meta { opacity: 1; transform: translateY(0); }

/* ============================================================
   RUFICS SPEC SHEET
   ============================================================ */
.spec-sheet {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(227,160,42,.04), transparent 30%),
    var(--steel);
}
.spec-sheet .ss-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px; border-bottom: 1px solid var(--line);
}
.spec-sheet .ss-head .code { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; color: var(--concrete); text-transform: uppercase; }
.ss-cols { display: grid; grid-template-columns: 1fr 1fr; }
.ss-col { padding: 34px 28px; }
.ss-col:first-child { border-right: 1px solid var(--line); }
.ss-col h3 { font-size: 1.05rem; color: var(--signal); margin-bottom: 20px; font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase; font-weight: 500; }
.ss-col li { position: relative; padding: 12px 0 12px 22px; border-bottom: 1px dashed var(--line); color: var(--concrete-2); font-size: .92rem; }
.ss-col li:last-child { border-bottom: none; }
.ss-col li::before { content: '›'; position: absolute; left: 0; color: var(--signal); font-weight: 700; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }

.contact-info .ci-item {
  display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line);
}
.contact-info .ci-item:last-child { border-bottom: none; }
.ci-icon {
  flex-shrink: 0; width: 44px; height: 44px;
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  color: var(--signal);
}
.ci-icon svg { width: 20px; height: 20px; }
.ci-item .ci-label { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--concrete); margin-bottom: 4px; }
.ci-item .ci-value { color: var(--paper); font-size: 1rem; }
.ci-item a.ci-value:hover { color: var(--signal); }

.contact-form { border: 1px solid var(--line); background: var(--steel); padding: 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--concrete); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; background: var(--ink); border: 1px solid var(--line);
  color: var(--paper); padding: 13px 16px; font-family: var(--font-body); font-size: .92rem;
  transition: border-color .25s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--signal); }
.field textarea { min-height: 130px; resize: vertical; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--steel); border-top: 1px solid var(--line); padding: 70px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.4fr; gap: 48px; }
.foot-brand img { height: 48px; width: auto; margin-bottom: 20px; }
.foot-brand .note { font-family: var(--font-mono); font-size: .74rem; color: var(--concrete); line-height: 1.7; }
.foot-brand .note strong { color: var(--signal); }
.foot-col h4 { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--paper); margin-bottom: 22px; }
.foot-links a { display: block; padding: 7px 0; color: var(--concrete); font-size: .9rem; }
.foot-links a:hover { color: var(--signal); padding-left: 6px; }
.social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.social a {
  width: 40px; height: 40px; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--concrete-2); font-size: .95rem; transition: all .25s;
}
.social a:hover { border-color: var(--signal); color: var(--signal); transform: translateY(-3px); }
.foot-bottom {
  margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--concrete);
}

/* ============================================================
   FLOATING WHATSAPP + SCROLL TOP
   ============================================================ */
.wa-float { position: fixed; right: 26px; bottom: 26px; z-index: 900; }
.wa-float a {
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; background: #25D366; border-radius: 50%;
  box-shadow: 0 8px 26px rgba(37,211,102,.45); transition: transform .25s;
}
.wa-float a:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

.to-top {
  position: fixed; right: 28px; bottom: 94px; z-index: 899;
  width: 44px; height: 44px; background: var(--steel-2); border: 1px solid var(--line);
  color: var(--signal); cursor: pointer; display: none;
  align-items: center; justify-content: center; transition: all .25s;
}
.to-top:hover { border-color: var(--signal); }
.to-top.show { display: flex; }

/* ============================================================
   INNER PAGE HEADER (blog)
   ============================================================ */
.page-hero {
  padding: 150px 0 70px;
  background:
    radial-gradient(circle at 85% 30%, rgba(227,160,42,.08), transparent 50%),
    var(--steel);
  border-bottom: 1px solid var(--line);
}
.page-hero .crumb { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--concrete); margin-top: 14px; }
.page-hero .crumb a { color: var(--signal); }

/* ---------- Blog listing ---------- */
.post-list { display: grid; gap: 4px; }
.post-card {
  display: block; border: 1px solid var(--line); background: var(--steel);
  padding: 40px; transition: border-color .3s, transform .3s;
}
.post-card:hover { border-color: var(--signal); transform: translateX(6px); }
.post-card .pc-meta { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--signal); margin-bottom: 14px; }
.post-card h2 { font-size: 1.7rem; margin-bottom: 16px; text-transform: none; }
.post-card p { color: var(--concrete); }
.post-card .more { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-family: var(--font-mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); }

/* ---------- Blog article ---------- */
.article { padding: 70px 0 100px; }
.article-body { max-width: 780px; margin: 0 auto; }
.article-body .meta { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--concrete); margin-bottom: 40px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.article-body .meta .amber { color: var(--signal); }
.article-body h1 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin: 34px 0 20px; text-transform: none; }
.article-body h2 { font-size: 1.5rem; color: var(--signal); margin: 40px 0 16px; text-transform: uppercase; }
.article-body h3 { font-family: var(--font-mono); font-size: 1rem; letter-spacing: .04em; color: var(--paper); margin: 28px 0 10px; text-transform: uppercase; font-weight: 500; }
.article-body h4 { font-size: 1.2rem; color: var(--paper); margin: 30px 0 12px; text-transform: none; font-family: var(--font-display); }
.article-body p { color: var(--concrete-2); margin-bottom: 18px; }
.article-body p strong { color: var(--paper); }
.article-body p em { color: var(--concrete); }
.article-body ul { margin: 16px 0 20px; }
.article-body ul li { position: relative; padding: 8px 0 8px 24px; color: var(--concrete-2); font-size: .95rem; }
.article-body ul li::before { content: '›'; position: absolute; left: 0; color: var(--signal); font-weight: 700; }
.article-body a[href^="mailto"] { color: var(--signal); }

.post-nav { display: flex; justify-content: space-between; gap: 20px; margin: 50px 0; padding-top: 30px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.post-nav a { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--signal); }
.post-nav a:hover { color: var(--signal-2); }

/* comment form on article */
.cbox { max-width: 780px; margin: 0 auto; border-top: 1px solid var(--line); padding-top: 40px; }
.cbox h3 { font-family: var(--font-display); font-size: 1.4rem; text-transform: uppercase; color: var(--paper); margin-bottom: 8px; }
.cbox .hint { font-family: var(--font-mono); font-size: .72rem; color: var(--concrete); margin-bottom: 24px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid, .intro-grid, .split, .split.reverse, .contact-grid { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); border-right: 1px solid var(--line); }
  .stat:nth-child(2n) { border-right: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .gal-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-menu {
    position: fixed; inset: 0; height: 100vh;
    flex-direction: column; justify-content: center; gap: 26px;
    background: rgba(11,13,17,.98); transform: translateX(100%); transition: transform .35s;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu a { font-size: 1.05rem; }
  .burger { display: flex; }
  .ss-cols { grid-template-columns: 1fr; }
  .ss-col:first-child { border-right: none; border-bottom: 1px solid var(--line); }
  .form-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .gal-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; border-right: 1px solid var(--line); }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
}

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