:root {
  --navy: #0a1a33;
  --navy-2: #0e2447;
  --orange: #f26a1b;
  --blue: #2a8fd6;
  --ink: #1b2433;
  --muted: #5b6678;
  --bg: #ffffff;
  --alt: #f3f6fb;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(10, 26, 51, .12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: min(1180px, 92%); margin-inline: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; background: var(--orange); color: #fff; font-weight: 700;
  padding: 13px 28px; border-radius: 999px; border: 0; cursor: pointer; font-size: 1rem;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { background: #d95a10; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(242,106,27,.4); }
.btn-small { padding: 8px 20px; font-size: .92rem; }
.btn.wa { background: #1faa59; }
.btn.wa:hover { background: #178a47; box-shadow: 0 8px 20px rgba(31,170,89,.4); }

/* ---------- navbar ---------- */
.navbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(10, 26, 51, .94); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.brand span { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { color: var(--orange); font-size: 1.25rem; font-weight: 900; }
.brand small { color: var(--blue); font-size: .62rem; letter-spacing: .22em; font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 26px; color: #dbe6f5; font-size: .95rem; }
.nav-links a:not(.btn):hover { color: var(--orange); }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 3px; background: #fff; margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh; padding: 110px 0 120px; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, #0b2347 0%, #050c1a 100%);
  display: flex; align-items: center;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-welder { position: absolute; left: -6%; top: 0; height: 100%; width: auto; opacity: .3; }
.hero-plates { position: absolute; right: 0; top: 0; width: 46%; opacity: .45; mask-image: linear-gradient(to left, #000 40%, transparent); -webkit-mask-image: linear-gradient(to left, #000 40%, transparent); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.hero-logo { width: min(380px, 80%); margin-inline: auto; filter: drop-shadow(0 6px 20px rgba(0,0,0,.5)); }
.hero-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 26px; margin-top: 18px; font-size: .95rem; }
.hero-contact .ico { color: var(--orange); margin-right: 6px; }
.eyebrow { font-size: clamp(1.6rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: .05em; line-height: 1; }
.hero h1 { font-size: clamp(3rem, 7vw, 5.4rem); color: var(--orange); font-weight: 900; line-height: 1; letter-spacing: .02em; }
.rule { width: 70px; height: 4px; background: var(--blue); margin: 20px 0; border-radius: 2px; }
.hero h2 { color: var(--blue); font-size: clamp(1.2rem, 2.2vw, 1.7rem); letter-spacing: .04em; margin-bottom: 14px; }
.lead { font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.5; margin-bottom: 26px; }
.badges { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-bottom: 30px; font-size: .95rem; }
.badges li { display: flex; align-items: center; gap: 10px; }
.badge-ico {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid var(--orange); color: var(--orange); font-size: .95rem;
}
.hero-ship {
  position: absolute; right: 2%; bottom: -105px; width: min(200px, 22%);
  border-radius: 50%; border: 6px solid rgba(255,255,255,.9); aspect-ratio: 1; object-fit: cover; box-shadow: var(--shadow);
}

/* ---------- sections ---------- */
.section { padding: 90px 0; }
.section.alt { background: var(--alt); }
.sec-head { display: flex; align-items: center; gap: 14px; margin-bottom: 30px; }
.sec-head .num {
  background: var(--blue); color: #fff; font-weight: 800; padding: 6px 16px 6px 12px; font-size: 1.4rem;
  clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
}
.sec-head h2 { font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: .03em; color: var(--navy); position: relative; }
.sec-head h2::after { content: ""; position: absolute; left: 0; bottom: -8px; width: 38px; height: 3px; background: var(--orange); }
.sec-head.light h2 { color: #fff; }

.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.about-grid p { margin-bottom: 16px; color: var(--muted); }
.about-img img { border-radius: var(--radius); box-shadow: var(--shadow); }
.values-bar {
  margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; text-align: center;
  background: linear-gradient(100deg, var(--navy), var(--navy-2)); color: #fff; border-radius: var(--radius); padding: 22px 12px;
}
.values-bar li { font-weight: 600; }
.v-ico { display: block; font-size: 1.7rem; color: var(--orange); }

/* vision */
.vm-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: stretch; }
.vm-block { display: flex; gap: 18px; margin-bottom: 28px; }
.vm-ico { font-size: 2.2rem; color: var(--orange); line-height: 1; }
.vm-block h3 { color: var(--navy); margin-bottom: 6px; letter-spacing: .04em; }
.vm-block p, .vm-block li { color: var(--muted); }
.vm-block li { list-style: disc; margin-left: 18px; margin-bottom: 4px; }
.values-card { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.values-card h3 { color: var(--orange); letter-spacing: .08em; margin-bottom: 18px; }
.values-card li { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-weight: 600; }
.values-card li:last-child { border: 0; }
.values-card li span { color: var(--orange); margin-right: 10px; }

/* categories */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 70px; }
.cat { text-align: center; padding: 28px 22px; border-radius: var(--radius); transition: .25s; }
.cat:hover { transform: translateY(-6px); box-shadow: var(--shadow); background: #fff; }
.cat img { width: 170px; margin: 0 auto 14px; }
.cat h3 { color: var(--blue); font-size: 1.02rem; letter-spacing: .04em; margin-bottom: 8px; }
.cat p { color: var(--muted); font-size: .95rem; }

.catalog { margin-bottom: 50px; }
.cat-title { color: var(--navy); font-size: 1.15rem; letter-spacing: .05em; border-left: 5px solid var(--orange); padding-left: 12px; margin-bottom: 18px; }
.items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.items figure {
  background: #fff; border: 1px solid #e3e9f2; border-radius: 12px; padding: 10px; text-align: center; transition: .25s;
}
.items figure:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue); }
.items img { width: 100%; border-radius: 8px; }
.items figcaption { font-size: .72rem; font-weight: 700; color: var(--navy); letter-spacing: .04em; margin-top: 8px; line-height: 1.3; }

/* strength */
.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.strength { display: flex; gap: 16px; background: #fff; padding: 22px; border-radius: var(--radius); box-shadow: 0 4px 16px rgba(10,26,51,.07); transition: .25s; }
.strength:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.s-ico { flex: none; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--orange); color: var(--orange); font-size: 1.4rem; }
.strength h3 { font-size: .95rem; color: var(--navy); letter-spacing: .04em; margin-bottom: 4px; }
.strength p { color: var(--muted); font-size: .92rem; }

/* why */
.why { position: relative; background: #fff; }
.why-img img { width: 100%; height: 420px; object-fit: cover; }
.why-content {
  position: absolute; inset: 0; margin: auto; display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.9) 45%, transparent 75%); width: 100%; max-width: none; padding-left: max(4%, calc((100vw - 1180px) / 2));
}
.checks li { padding-left: 34px; position: relative; margin-bottom: 12px; font-weight: 600; max-width: 460px; }
.checks li::before { content: "\2713"; position: absolute; left: 0; top: 0; width: 24px; height: 24px; display: grid; place-items: center; background: var(--orange); color: #fff; border-radius: 5px; font-size: .85rem; }

/* clients */
.clients { display: flex; flex-wrap: wrap; gap: 14px; }
.clients span { background: var(--alt); border: 1px solid #dfe7f3; padding: 14px 24px; border-radius: 999px; font-weight: 700; color: var(--navy); }

/* contact */
.contact { background: linear-gradient(135deg, var(--navy), #060f20); color: #fff; padding: 90px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.contact-logo { width: 190px; margin-bottom: 16px; }
.contact-list li { display: flex; gap: 12px; margin-bottom: 14px; align-items: center; }
.contact-list .ico { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--orange); color: var(--orange); flex: none; }
.contact-list a:hover { color: var(--orange); }
.contact-info .btn { margin-top: 12px; }
.contact-form { background: #fff; color: var(--ink); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-form h3 { color: var(--navy); margin-bottom: 14px; }
.contact-form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; margin-top: 6px; padding: 12px 14px; border: 1px solid #cfd8e6; border-radius: 10px; font: inherit;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.form-note { margin-top: 10px; font-size: .9rem; color: #c0392b; min-height: 1.2em; }

.footer { background: #040a15; color: #8d9ab0; text-align: center; padding: 22px 0; font-size: .9rem; }
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 54px; height: 54px; border-radius: 50%;
  background: #1faa59; color: #fff; font-weight: 800; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,.3);
}

/* reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.show { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--navy); padding: 8px 4%; max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .nav-links.open { max-height: 420px; padding-bottom: 18px; }
  .nav-links a { padding: 12px 0; width: 100%; }
  .nav-links .btn { width: auto; margin-top: 8px; }
  .hero-grid, .about-grid, .vm-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-bottom: 130px; }
  .hero-ship { width: 200px; right: 4%; bottom: -50px; }
  .cat-grid, .strength-grid { grid-template-columns: 1fr; }
  .items { grid-template-columns: repeat(2, 1fr); }
  .why-img img { height: 480px; }
  .why-content { background: rgba(255,255,255,.88); padding-inline: 4%; }
}
@media (max-width: 560px) {
  .values-bar { grid-template-columns: 1fr 1fr; }
  .badges { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}
