:root {
  --navy-950: #04111d;
  --navy-900: #071b2d;
  --navy-800: #0b263d;
  --blue: #2d8fde;
  --blue-light: #76c0f7;
  --white: #ffffff;
  --text: #d5dee7;
  --muted: #8fa1b2;
  --border: rgba(132, 181, 219, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { min-width: 320px; color: var(--white); background: var(--navy-950); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; }
img, video { max-width: 100%; }
.page-container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.navbar { position: fixed; inset: 0 0 auto; z-index: 1000; background: rgba(4,17,29,.9); border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(14px); }
.nav-container { width: min(1400px, 95%); min-height: 78px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.nav-logo img { display: block; width: auto; height: 54px; }
.navbar nav { display: flex; align-items: center; gap: 28px; }
.navbar nav > a, .nav-dropdown-toggle { color: #fff; font-size: 14px; font-weight: 600; text-decoration: none; }
.navbar nav > a:hover, .nav-dropdown-toggle:hover { color: var(--blue-light); }
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 12px 0; border: 0; background: transparent; cursor: pointer; }
.dropdown-arrow { width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.nav-dropdown-menu { position: absolute; top: calc(100% + 8px); left: -18px; min-width: 245px; padding: 10px; opacity: 0; visibility: hidden; transform: translateY(-8px); background: rgba(5,20,34,.99); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 18px 42px rgba(0,0,0,.38); transition: .2s ease; }
.nav-dropdown-menu-right { left: auto; right: -18px; }
.nav-dropdown.open .nav-dropdown-menu, .nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown-menu a { display: block; padding: 11px 12px; border-radius: 7px; color: var(--text); font-size: 13px; line-height: 1.35; text-decoration: none; white-space: nowrap; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu .active-link { color: #fff; background: rgba(118,192,247,.12); }

.sheet-hero { position: relative; min-height: 720px; display: flex; align-items: center; padding: 150px 0 90px; background: url('../images/sheet-metal-forming.jpeg') center 48% / cover no-repeat; }
.sheet-hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,15,26,.96) 0%, rgba(4,20,34,.84) 47%, rgba(4,17,29,.38) 100%), linear-gradient(180deg, rgba(4,17,29,.1), rgba(4,17,29,.72)); }
.sheet-hero-content { position: relative; z-index: 1; }
.eyebrow { margin-bottom: 14px; color: var(--blue-light); font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(46px, 7vw, 82px); line-height: 1.02; letter-spacing: -2px; }
.hero-lead { max-width: 700px; color: var(--text); font-size: clamp(18px, 2vw, 22px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; min-height: 54px; padding: 16px 27px; align-items: center; justify-content: center; border-radius: 8px; font-size: 13px; font-weight: 700; letter-spacing: .45px; text-decoration: none; text-transform: uppercase; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); border: 1px solid var(--blue); box-shadow: 0 10px 26px rgba(45,143,222,.22); }
.button-primary:hover { background: #48a4ec; border-color: #48a4ec; }
.button-secondary { color: #fff; border: 1px solid rgba(255,255,255,.4); background: rgba(5,20,34,.25); }
.button-secondary:hover { background: rgba(255,255,255,.08); }

.intro-section, .gallery-section { padding: 110px 0; background: linear-gradient(180deg, #071827, #061421); }
.intro-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(390px,.85fr); gap: 80px; align-items: start; }
h2 { margin-bottom: 24px; font-size: clamp(34px, 5vw, 52px); line-height: 1.12; letter-spacing: -.8px; }
.intro-copy > p:not(.eyebrow), .process-copy > p { margin-bottom: 18px; color: var(--text); font-size: 17px; line-height: 1.75; }
.capability-list { border-top: 1px solid var(--border); }
.capability-list article { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 21px 0; border-bottom: 1px solid var(--border); }
.capability-list article > span { color: var(--blue-light); font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.capability-list h3 { margin-bottom: 7px; font-size: 18px; }
.capability-list p { color: var(--muted); font-size: 14px; line-height: 1.55; }

.process-section { padding: 110px 0; background: #0a2237; }
.process-grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap: 68px; align-items: center; }
.video-panel { overflow: hidden; border: 1px solid var(--border); border-radius: 16px; background: #03101a; box-shadow: 0 24px 60px rgba(0,0,0,.34); }
.video-panel video { display: block; width: 100%; max-height: 650px; object-fit: cover; background: #000; }
.media-caption { padding: 14px 18px; color: var(--muted); font-size: 12px; letter-spacing: .3px; }
.process-points { margin-top: 30px; border-top: 1px solid var(--border); }
.process-points div { padding: 18px 0; border-bottom: 1px solid var(--border); }
.process-points strong, .process-points span { display: block; }
.process-points strong { margin-bottom: 6px; font-size: 15px; }
.process-points span { color: var(--muted); font-size: 14px; line-height: 1.55; }

.section-heading { max-width: 750px; margin-bottom: 42px; }
.gallery-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; }
.gallery-card { overflow: hidden; display: flex; min-height: 560px; flex-direction: column; background: rgba(255,255,255,.025); border: 1px solid var(--border); border-radius: 14px; }
.gallery-card img { display: block; width: 100%; height: 100%; min-height: 450px; flex: 1; object-fit: cover; }
.gallery-card:not(.gallery-card-large) img { object-position: center center; }
.gallery-card figcaption { padding: 20px 22px 23px; }
.gallery-card strong, .gallery-card span { display: block; }
.gallery-card strong { margin-bottom: 7px; font-size: 17px; }
.gallery-card span { color: var(--muted); font-size: 13px; line-height: 1.55; }

.cta-section { padding: 90px 0; background: #04111d; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 42px; padding: 46px; background: linear-gradient(135deg, rgba(18,61,96,.76), rgba(7,28,46,.86)); border: 1px solid var(--border); border-radius: 16px; }
.cta-panel h2 { max-width: 720px; margin-bottom: 12px; font-size: clamp(30px,4vw,44px); }
.cta-panel p:not(.eyebrow) { color: var(--text); line-height: 1.6; }
.cta-panel .button { flex: 0 0 auto; }
.footer { border-top: 1px solid rgba(255,255,255,.07); background: #020b12; }
.footer-content { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 12px; }
.footer a { color: var(--text); text-decoration: none; }
.footer a:hover { color: var(--blue-light); }

@media (max-width: 980px) {
  .navbar nav { gap: 15px; }
  .intro-grid, .process-grid { grid-template-columns: 1fr; gap: 48px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-card { min-height: auto; }
  .gallery-card img { height: auto; min-height: 0; max-height: 760px; object-fit: cover; }
  .cta-panel { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 760px) {
  .page-container { width: min(100% - 28px, 1180px); }
  .nav-container { min-height: 72px; align-items: flex-start; padding: 10px 0; }
  .nav-logo img { height: 42px; }
  .navbar nav { max-width: 70%; justify-content: flex-end; flex-wrap: wrap; gap: 4px 12px; }
  .navbar nav > a, .nav-dropdown-toggle { font-size: 12px; }
  .nav-dropdown-menu, .nav-dropdown-menu-right { left: auto; right: 0; }
  .sheet-hero { min-height: 680px; padding-top: 165px; background-position: 57% center; }
  .sheet-hero-overlay { background: linear-gradient(90deg, rgba(3,15,26,.94), rgba(4,20,34,.75)); }
  h1 { font-size: clamp(42px, 13vw, 60px); }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .intro-section, .gallery-section, .process-section { padding: 80px 0; }
  .cta-panel { padding: 30px 24px; }
  .footer-content { padding: 20px 0; align-items: flex-start; flex-direction: column; }
}
