/* =========================================================
   ACE TRADING BD — design system
   Palette: deep navy / steel blue (engineering, trust)
            burnt-orange (fire safety + CTAs)
            amber (solar accents)
   Type: Oswald (condensed, plate/gauge feel) for display
         Inter for body copy
         IBM Plex Mono for spec-tag labels (SYS-01 etc.)
   ========================================================= */

:root {
  --navy: #14273f;
  --navy-2: #1c3554;
  --steel: #35597a;
  --steel-light: #6e93b3;
  --fire: #c1440e;
  --fire-dark: #9c360a;
  --solar: #e3a73a;
  --bg: #f6f7f5;
  --surface: #ffffff;
  --ink: #16202a;
  --muted: #5b6672;
  --line: #dde2e6;
  --radius: 3px;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--navy);
  margin: 0 0 0.5em;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); line-height: 1.05; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.15; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--muted); }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fire);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--fire);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--fire); color: #fff; }
.btn-primary:hover { background: var(--fire-dark); box-shadow: 0 6px 18px rgba(193,68,14,0.28); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.12); }
.btn-sm { padding: 8px 14px; font-size: 0.72rem; }
.btn-danger { background: #a6362a; color: #fff; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20,39,63,0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.4rem; letter-spacing: 0.03em; color: #fff;
  text-decoration: none; text-transform: uppercase;
}
.brand-logo {
  height: 58px; width: auto; max-width: 160px;
  object-fit: contain; flex: none;
}

.nav-links {
  display: flex; align-items: center; gap: 30px;
  list-style: none; margin: 0 0 0 auto; padding: 0;
}
.nav-links a {
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(255,255,255,0.78); text-decoration: none;
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; border-color: var(--fire); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-links { position: fixed; inset: 72px 0 0 0; background: var(--navy); flex-direction: column;
    justify-content: flex-start; padding: 30px 24px; gap: 22px; transform: translateX(100%);
    transition: transform 0.25s ease; }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; background: none; border: 1px solid rgba(255,255,255,0.4);
    color: #fff; width: 42px; height: 42px; border-radius: var(--radius); cursor: pointer; }
  .nav-cta .btn span.label { display: none; }

  /* new: give each nav link its own tappable block */
  .nav-links a {
    width: 100%;
    padding: 14px 16px;
    background: var(--navy-2);
    border-bottom: none;
    border-radius: var(--radius);
  }
  .nav-links a:hover,
  .nav-links a.active,
  .nav-links a:active {
    background: var(--fire);
    color: #fff;
  }
}

/* ---------- Hero (blueprint grid signature) ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--navy);
  color: #fff;
  padding: 90px 0 70px;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at 70% 30%, black 10%, transparent 70%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center;
}
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } }

.hero h1 { color: #fff; margin-bottom: 18px; }
.hero-sub { color: rgba(255,255,255,0.72); font-size: 1.05rem; max-width: 46ch; margin-bottom: 30px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-stats { display: flex; gap: 34px; flex-wrap: wrap; }
.hero-stats .stat-num { font-family: var(--font-display); font-size: 1.9rem; color: var(--fire); }
.hero-stats .stat-label { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.6); }

/* readout panel — the "spec sheet" signature element */
.readout {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 22px;
}
.readout-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.14); padding-bottom: 12px; margin-bottom: 12px;
}
.readout-row {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 10px 0; border-bottom: 1px dashed rgba(255,255,255,0.12);
  font-family: var(--font-mono); font-size: 0.8rem;
}
.readout-row:last-child { border-bottom: none; }
.readout-row .k { color: rgba(255,255,255,0.55); }
.readout-row .v { color: #fff; }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- Capability / system cards ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-4 { grid-template-columns: 1fr; } }

.sys-card {
  background: var(--surface); border: 1px solid var(--line);
  padding: 26px 22px; position: relative; transition: border-color 0.15s, transform 0.15s;
  text-decoration: none; display: block;
}
.sys-card:hover { border-color: var(--fire); transform: translateY(-3px); }
.sys-tag {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em;
  color: var(--fire); text-transform: uppercase; margin-bottom: 14px; display: block;
}
.sys-icon { width: 38px; height: 38px; margin-bottom: 16px; color: var(--steel); }
.sys-card h3 { margin-bottom: 8px; }
.sys-card p { font-size: 0.92rem; margin-bottom: 0; }

/* ---------- Why us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
@media (max-width: 900px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }
.why-item .num { font-family: var(--font-mono); color: var(--steel-light); font-size: 0.78rem; margin-bottom: 8px; }
.why-item h3 { font-size: 1rem; margin-bottom: 6px; }
.why-item p { font-size: 0.9rem; }

/* ---------- Clients ---------- */
.client-strip {
  display: flex; flex-wrap: wrap; gap: 14px;
}
.client-chip {
  border: 1px solid var(--line); background: var(--surface);
  padding: 16px 20px; font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--muted); min-width: 160px; text-align: center; flex: 1;
}
.client-logo-img { max-height: 46px; margin: 0 auto; }

/* ---------- Projects ---------- */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .project-grid { grid-template-columns: 1fr; } }
.project-card { background: var(--surface); border: 1px solid var(--line); overflow: hidden; }
.project-photo {
  aspect-ratio: 4/3; background: linear-gradient(135deg, var(--steel), var(--navy));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5); font-family: var(--font-mono); font-size: 0.7rem;
  text-transform: uppercase; letter-spacing: 0.08em; text-align: center; padding: 14px;
}
.project-photo img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: 20px 20px 22px; }
.project-body .tag { font-family: var(--font-mono); font-size: 0.68rem; color: var(--fire);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; display: block; }
.project-body h3 { margin-bottom: 8px; }
.project-body p { font-size: 0.9rem; margin-bottom: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--fire); color: #fff; padding: 56px 0; text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.85); margin-bottom: 26px; }
.cta-band .btn-primary { background: #fff; color: var(--fire); }
.cta-band .btn-primary:hover { background: rgba(255,255,255,0.9); box-shadow: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.7); padding: 54px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { color: #fff; font-size: 0.78rem; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 9px; font-size: 0.88rem; }
.footer-grid a { text-decoration: none; color: rgba(255,255,255,0.7); }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: rgba(255,255,255,0.45); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  background: var(--navy); color: #fff; padding: 60px 0 46px; position: relative; overflow: hidden;
}
.page-hero .eyebrow { color: var(--solar); }
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.7); max-width: 60ch; margin-bottom: 0; }

/* ---------- Product category detail blocks ---------- */
.category-block { padding: 46px 0; border-bottom: 1px solid var(--line); }
.category-block:last-child { border-bottom: none; }
.category-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 22px; flex-wrap: wrap; }
.item-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 860px) { .item-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .item-grid { grid-template-columns: 1fr; } }
.item-card { border: 1px solid var(--line); background: var(--surface); padding: 16px; }
.item-card .thumb { aspect-ratio: 1/1; background: var(--bg); border: 1px solid var(--line); margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center; overflow: hidden; }
.item-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.item-card h4 { font-family: var(--font-body); font-weight: 600; font-size: 0.95rem; margin: 0 0 6px; text-transform: none; color: var(--ink); }
.item-card p { font-size: 0.85rem; margin-bottom: 10px; }
.item-card .row { display: flex; gap: 8px; flex-wrap: wrap; }
.item-empty { grid-column: 1/-1; padding: 30px; text-align: center; color: var(--muted); font-size: 0.9rem;
  border: 1px dashed var(--line); }

/* ---------- Forms ---------- */
.form-card { background: var(--surface); border: 1px solid var(--line); padding: 30px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.94rem; background: var(--bg); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--steel); background: #fff;
}
.field textarea { min-height: 110px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 10px; }
.form-status { font-family: var(--font-mono); font-size: 0.82rem; margin-top: 14px; display: none; }
.form-status.ok { color: #1d7a3c; display: block; }
.form-status.err { color: var(--fire); display: block; }

/* ---------- Contact info blocks ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.info-list { list-style: none; margin: 0; padding: 0; }
.info-list li { padding: 16px 0; border-bottom: 1px solid var(--line); display: flex; gap: 14px; }
.info-list .k { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; color: var(--muted);
  width: 110px; flex: none; padding-top: 2px; }
.info-list .v { color: var(--ink); font-size: 0.95rem; }
.info-list a { color: var(--fire); text-decoration: none; }

/* ---------- WhatsApp floating button ---------- */
.wa-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25); text-decoration: none;
}
.wa-float svg { width: 28px; height: 28px; fill: #fff; }

/* ---------- Testimonial ---------- */
.testimonial { border-left: 3px solid var(--fire); padding: 18px 22px; background: var(--bg); margin-top: 10px; }
.testimonial p { font-style: italic; color: var(--ink); margin-bottom: 6px; }
.testimonial .who { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); text-transform: uppercase; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.small { font-size: 0.85rem; }
.divider { height: 1px; background: var(--line); border: none; margin: 40px 0; }

/* ---------- Admin panel ---------- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-side { width: 230px; background: var(--navy); color: #fff; padding: 26px 18px; flex: none; }
.admin-side .brand { margin-bottom: 34px; font-size: 1rem; }
.admin-side nav a {
  display: block; padding: 11px 12px; margin-bottom: 4px; border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 0.8rem; text-decoration: none;
  color: rgba(255,255,255,0.72);
}
.admin-side nav a.active, .admin-side nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-main { flex: 1; padding: 32px 40px; max-width: 1100px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.admin-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); }
.admin-table th, .admin-table td {
  text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); font-size: 0.88rem;
}
.admin-table th { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); background: var(--bg); }
.admin-table td.actions { white-space: nowrap; }
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,22,30,0.55); display: none;
  align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal { background: #fff; width: 100%; max-width: 520px; padding: 28px; max-height: 88vh; overflow-y: auto; }
.modal h3 { margin-bottom: 18px; }
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--navy); }
.login-card { width: 100%; max-width: 380px; background: #fff; padding: 34px; }
.login-card h2 { font-size: 1.2rem; }
.pill { display: inline-block; font-family: var(--font-mono); font-size: 0.68rem; padding: 3px 9px;
  border-radius: 20px; text-transform: uppercase; letter-spacing: 0.04em; }
.pill.yes { background: #e4f5e9; color: #1d7a3c; }
.pill.no { background: #f7e6e2; color: var(--fire); }