:root {
  --navy-900: #050f20;
  --navy-800: #071a33;
  --navy-700: #0b2545;
  --navy-600: #13315c;
  --gold: #e0a80d;
  --gold-light: #f5c451;
  --gold-soft: rgba(224, 168, 13, 0.14);
  --ink: #16202e;
  --gray: #5b6472;
  --gray-light: #8a93a2;
  --line: #e6eaf0;
  --bg-alt: #f5f7fa;
  --white: #ffffff;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 16px rgba(7, 26, 51, 0.06);
  --shadow: 0 14px 38px rgba(7, 26, 51, 0.10);
  --shadow-lg: 0 26px 60px rgba(7, 26, 51, 0.18);
  --font: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.68;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--gold); color: var(--navy-900);
  padding: 10px 18px; font-weight: 700; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { line-height: 1.22; margin: 0 0 16px; color: var(--navy-700); letter-spacing: -0.015em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.7rem, 3.3vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.16rem; font-weight: 700; margin-bottom: 8px; }
h4 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
p { margin: 0 0 16px; color: var(--gray); }

.eyebrow {
  text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 0.76rem; font-weight: 700; color: var(--gold);
  margin: 0 0 12px;
}
.eyebrow-line { display: flex; align-items: center; gap: 12px; }
.eyebrow-line::before {
  content: ""; width: 34px; height: 2px; background: var(--gold); flex: none;
}

.grad {
  background: linear-gradient(100deg, var(--gold-light), #ffe9a8 60%, var(--gold-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 999px;
  font-family: inherit; font-weight: 600; font-size: 0.96rem;
  border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
              color 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--gold); color: var(--navy-900); box-shadow: 0 10px 28px rgba(224, 168, 13, 0.32); }
.btn-primary:hover { background: var(--gold-light); box-shadow: 0 16px 36px rgba(224, 168, 13, 0.42); }
.btn-glass {
  border-color: rgba(255, 255, 255, 0.34); color: var(--white);
  background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(8px);
}
.btn-glass:hover { background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.6); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  background: transparent;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 8px 30px rgba(7, 26, 51, 0.07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.14rem; color: var(--white); transition: color 0.35s var(--ease); }
.site-header.scrolled .logo { color: var(--navy-700); }
.logo-mark {
  background: var(--gold); color: var(--navy-900);
  padding: 7px 12px; border-radius: 9px; letter-spacing: 0.05em; font-size: 1rem;
}
.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  position: relative; font-weight: 600; font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.88); transition: color 0.25s var(--ease);
}
.site-header.scrolled .nav a { color: var(--ink); }
.nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--gold); transition: width 0.3s var(--ease);
}
.nav a:not(.nav-cta):hover::after, .nav a.active:not(.nav-cta)::after { width: 100%; }
.nav a:hover, .nav a.active { color: var(--gold); }
.site-header.scrolled .nav a:hover, .site-header.scrolled .nav a.active { color: var(--navy-700); }
.nav-cta {
  background: var(--gold); color: var(--navy-900) !important;
  padding: 10px 22px; border-radius: 999px; transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav-cta:hover { background: var(--gold-light); transform: translateY(-2px); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--white); display: block; transition: transform 0.25s var(--ease), opacity 0.25s var(--ease), background 0.35s var(--ease); }
.site-header.scrolled .nav-toggle span { background: var(--navy-700); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: 140px 0 120px; overflow: hidden;
  background: var(--navy-900); color: var(--white);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06); animation: heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 15, 32, 0.94) 0%, rgba(5, 15, 32, 0.78) 45%, rgba(5, 15, 32, 0.42) 100%),
    linear-gradient(180deg, rgba(5, 15, 32, 0.7) 0%, transparent 30%, rgba(5, 15, 32, 0.55) 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 790px; }
.hero .eyebrow { color: var(--gold-light); }
.hero .eyebrow-line::before { background: var(--gold-light); }
.hero h1 { color: var(--white); margin-bottom: 22px; }
.hero-lede { color: rgba(255, 255, 255, 0.8); font-size: clamp(1rem, 1.6vw, 1.16rem); max-width: 620px; }
.hero-actions { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.hero-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 42px 0 0; }
.hero-tags li {
  font-size: 0.84rem; font-weight: 600; color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.22); background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(6px); border-radius: 999px; padding: 8px 18px;
}
.scroll-cue {
  position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px; z-index: 1; display: flex; justify-content: center; padding-top: 8px;
}
.scroll-cue span { width: 3px; height: 8px; border-radius: 2px; background: var(--gold-light); animation: cue 1.8s infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(-4px); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ---------- Stats ---------- */
.stats { background: var(--navy-800); position: relative; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 8px; padding: 54px 24px;
}
.stat { text-align: center; padding: 6px 12px; position: relative; }
.stat + .stat::before {
  content: ""; position: absolute; left: 0; top: 18%; height: 64%; width: 1px;
  background: rgba(255, 255, 255, 0.14);
}
.stat-num {
  display: block; font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 800;
  color: var(--gold-light); line-height: 1.05; letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.82rem; color: rgba(255, 255, 255, 0.62);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 118px) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy-900); color: rgba(255, 255, 255, 0.7); }
.section-dark h2, .section-dark h3, .section-dark h4 { color: var(--white); }
.section-dark .section-lede { color: rgba(255, 255, 255, 0.65); }
.section-head {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: end; margin-bottom: 52px;
}
.section-head h2 { margin-bottom: 0; }
.section-lede { max-width: 620px; font-size: 1.04rem; margin: 0; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 6vw, 76px); align-items: center; }
.about-media { position: relative; }
.about-media img {
  width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}
.about-media::before {
  content: ""; position: absolute; inset: auto -18px -18px auto;
  width: 62%; height: 62%; border: 2px solid var(--gold);
  border-radius: var(--radius-lg); z-index: -1;
}
.about-float {
  position: absolute; right: -14px; bottom: 28px;
  background: var(--white); border-radius: var(--radius);
  padding: 20px 24px; box-shadow: var(--shadow-lg); max-width: 210px;
  border-left: 4px solid var(--gold);
}
.float-num { display: block; font-size: 1.9rem; font-weight: 800; color: var(--navy-700); line-height: 1; }
.float-label { font-size: 0.82rem; color: var(--gray); font-weight: 600; line-height: 1.45; }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; }
.check-list li {
  position: relative; padding-left: 34px; margin-bottom: 12px;
  color: var(--gray); font-size: 0.97rem;
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--gold-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0a80d' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 13 4 4L19 7'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.about-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.about-badges span {
  font-size: 0.82rem; font-weight: 600; color: var(--navy-700);
  background: var(--white); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 16px; box-shadow: var(--shadow-sm);
}

/* ---------- Sector cards ---------- */
.sector-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.sector-card {
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.sector-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(224, 168, 13, 0.45); }
.sector-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--navy-800); }
.sector-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s var(--ease), filter 0.5s var(--ease);
}
.sector-card:hover .sector-media img { transform: scale(1.09); }
.sector-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 15, 32, 0.55) 100%);
}
.sector-media-icon {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  color: var(--gold-light);
}
.sector-media-icon svg { width: 58px; height: 58px; }
.sector-media-icon::after { display: none; }
.sector-body { padding: 24px 24px 28px; position: relative; flex: 1; }
.sector-num {
  position: absolute; top: -22px; right: 20px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gold); color: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.86rem; font-weight: 800; letter-spacing: 0.02em;
  box-shadow: 0 8px 20px rgba(224, 168, 13, 0.4); z-index: 2;
}
.sector-body h3 { font-size: 1.08rem; margin-bottom: 10px; }
.sector-body p { margin: 0; font-size: 0.92rem; line-height: 1.6; }
.sector-card-accent { background: linear-gradient(160deg, var(--white), #fdf8ea); }

/* ---------- Capabilities ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cap-card {
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg); padding: 30px 26px;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease);
}
.cap-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, 0.07); border-color: rgba(224, 168, 13, 0.45); }
.cap-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--gold-soft); color: var(--gold-light); margin-bottom: 18px;
}
.cap-icon svg { width: 26px; height: 26px; }
.cap-card p { margin: 0; font-size: 0.93rem; color: rgba(255, 255, 255, 0.62); }

.process { margin-top: 78px; padding-top: 54px; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.process-title { font-size: 1.4rem; margin-bottom: 30px; }
.process-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.process-steps li { position: relative; padding-top: 26px; border-top: 2px solid rgba(255, 255, 255, 0.14); }
.process-steps li::before {
  content: ""; position: absolute; top: -7px; left: 0;
  width: 12px; height: 12px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 5px rgba(224, 168, 13, 0.16);
}
.step-num { display: block; font-size: 0.8rem; font-weight: 800; color: var(--gold); letter-spacing: 0.12em; margin-bottom: 8px; }
.process-steps p { margin: 0; font-size: 0.92rem; color: rgba(255, 255, 255, 0.6); }

/* ---------- Projects ---------- */
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.project-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 340px; box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.project-card:hover img { transform: scale(1.07); }
.project-overlay {
  position: relative; z-index: 1; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 30px; min-height: 340px;
  background: linear-gradient(180deg, rgba(5, 15, 32, 0.05) 25%, rgba(5, 15, 32, 0.86) 82%);
}
.project-overlay h3 { color: var(--white); font-size: 1.24rem; margin-bottom: 8px; }
.project-overlay p { color: rgba(255, 255, 255, 0.76); margin: 0; font-size: 0.93rem; max-width: 46ch; }
.project-tag {
  align-self: flex-start; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--navy-900); background: var(--gold);
  border-radius: 999px; padding: 5px 14px; margin-bottom: 14px;
}

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-700) 0%, var(--navy-900) 70%);
  color: var(--white); padding: clamp(48px, 6vw, 76px) 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; right: -80px; top: -80px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 168, 13, 0.25), transparent 68%);
}
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; }
.cta-band h2 { color: var(--white); margin-bottom: 8px; font-size: clamp(1.45rem, 2.6vw, 2rem); }
.cta-band p { color: rgba(255, 255, 255, 0.74); margin: 0; }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(224, 168, 13, 0.45); }
.news-date {
  display: inline-block; font-size: 0.74rem; font-weight: 700; color: var(--gold);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px;
}
.news-card p { font-size: 0.93rem; margin-bottom: 14px; }
.news-more { font-size: 0.86rem; font-weight: 700; color: var(--navy-700); transition: color 0.25s var(--ease); }
.news-card:hover .news-more { color: var(--gold); }

/* ---------- Contact ---------- */
.contact-section { background: var(--navy-900); color: var(--white); }
.contact-section h2 { color: var(--white); }
.contact-section .section-lede { color: rgba(255, 255, 255, 0.68); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 5vw, 68px); align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 34px 0 0; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.contact-ico {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: var(--gold-soft); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center;
}
.contact-ico svg { width: 21px; height: 21px; }
.contact-list li > span:last-child { display: flex; flex-direction: column; color: rgba(255, 255, 255, 0.82); font-size: 0.96rem; }
.contact-list strong { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.45); font-weight: 700; }
.contact-list a { color: var(--gold-light); font-weight: 600; transition: color 0.2s var(--ease); }
.contact-list a:hover { color: var(--white); }
.contact-form {
  background: var(--white); border-radius: var(--radius-lg); padding: 34px;
  display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow-lg);
}
.contact-form h3 { margin-bottom: 6px; font-size: 1.24rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  display: flex; flex-direction: column; gap: 7px;
  font-size: 0.82rem; font-weight: 700; color: var(--navy-700);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.contact-form input, .contact-form textarea, .contact-form select {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px;
  font-family: inherit; font-size: 0.95rem; font-weight: 400; text-transform: none;
  letter-spacing: normal; color: var(--ink); background: var(--bg-alt); resize: vertical;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.contact-form input:hover, .contact-form textarea:hover, .contact-form select:hover { border-color: var(--gray-light); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--gold); background: var(--white);
  box-shadow: 0 0 0 4px rgba(224, 168, 13, 0.14);
}
.contact-form .btn { align-self: flex-start; margin-top: 4px; }
.form-note { color: var(--navy-700); font-weight: 600; margin: 0; font-size: 0.92rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, 0.6); }
.footer-top {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 44px;
  padding-top: 70px; padding-bottom: 48px;
}
.footer-brand .logo { color: var(--white); margin-bottom: 18px; }
.footer-brand p { color: rgba(255, 255, 255, 0.55); font-size: 0.92rem; margin: 0; max-width: 340px; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; font-size: 0.91rem; }
.footer-col a { color: rgba(255, 255, 255, 0.58); transition: color 0.2s var(--ease), padding-left 0.2s var(--ease); }
.footer-col a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-inner {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 0.85rem; border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px; padding-bottom: 26px;
}
.footer-inner p { margin: 0; color: inherit; }
.footer-domain a { color: rgba(255, 255, 255, 0.6); transition: color 0.2s var(--ease); }
.footer-domain a:hover { color: var(--gold-light); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px;
  border-radius: 50%; background: var(--gold); color: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(224, 168, 13, 0.4);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s var(--ease), background 0.25s var(--ease);
  z-index: 55;
}
.back-to-top svg { width: 22px; height: 22px; }
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--gold-light); transform: translateY(-3px); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .sector-grid, .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .section-head { grid-template-columns: 1fr; gap: 18px; align-items: start; margin-bottom: 42px; }
}
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 560px; }
  .news-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 8px; }
  .stat:nth-child(3)::before { display: none; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 760px) {
  .nav {
    position: fixed; top: 84px; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(14px);
    flex-direction: column; align-items: flex-start;
    padding: 22px 26px 28px; box-shadow: 0 16px 34px rgba(7, 26, 51, 0.14);
    display: none; gap: 20px;
  }
  .nav.open { display: flex; }
  .nav a { color: var(--ink); font-size: 1rem; }
  .nav-cta { width: 100%; text-align: center; padding: 12px 22px; }
  .nav-toggle { display: flex; }
  .sector-grid, .cap-grid, .process-steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 130px 0 90px; }
  .hero-media::after {
    background: linear-gradient(180deg, rgba(5, 15, 32, 0.9) 0%, rgba(5, 15, 32, 0.72) 45%, rgba(5, 15, 32, 0.9) 100%);
  }
  .scroll-cue { display: none; }
  .btn { width: 100%; }
  .hero-actions { width: 100%; }
  .contact-form .btn { align-self: stretch; }
  .about-media::before { display: none; }
  .about-float { right: 12px; bottom: 12px; padding: 16px 18px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; padding-top: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media img { animation: none; transform: none; }
  .scroll-cue span { animation: none; }
  .btn:hover, .sector-card:hover, .project-card:hover, .news-card:hover,
  .cap-card:hover, .back-to-top:hover, .nav-cta:hover { transform: none; }
  .sector-card:hover .sector-media img, .project-card:hover img { transform: none; }
}