/* ===== Alloy Charge — Design Tokens ===== */
:root {
  --color-primary: #1a2332;
  --color-primary-light: #2a3a4e;
  --color-accent: #f5a623;
  --color-accent-hover: #e0941a;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #fff;
  --color-bg-alt: #f7f8fa;
  --color-bg-dark: #1a2332;
  --color-border: #e0e0e0;
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --transition: .25s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(26,35,50,.95);
  backdrop-filter: blur(8px);
  height: var(--header-height);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 48px; width: auto; border-radius: 8px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 1.3rem; font-weight: 700; color: #fff; letter-spacing: .3px; }
.logo-text small { font-size: .8rem; font-weight: 500; color: #00c2cb; letter-spacing: .5px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,.85); font-size: .95rem; font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-accent); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: #fff;
  margin: 5px 0; transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 12px 28px;
  border-radius: var(--radius); font-weight: 600; font-size: .95rem;
  transition: all var(--transition); cursor: pointer; border: none;
}
.btn-primary { background: var(--color-accent); color: var(--color-primary); }
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,.4);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-dark { background: var(--color-primary); color: #fff; }
.btn-dark:hover { background: var(--color-primary-light); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 520px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-bg::after, .hero-overlay {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(26,35,50,.7) 0%, rgba(26,35,50,.5) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; padding: 60px 24px; }
.hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 8px; line-height: 1.15; }
.hero h2 { font-size: 1.3rem; font-weight: 400; margin-bottom: 12px; opacity: .9; }
.hero p { font-size: 1.05rem; margin-bottom: 28px; opacity: .85; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  position: relative; min-height: 300px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
}
.page-hero .hero-bg::after {
  background: rgba(26,35,50,.6);
}
.page-hero h1 { font-size: 2.4rem; font-weight: 800; }
.page-hero p { font-size: 1.1rem; opacity: .85; margin-top: 12px; max-width: 600px; }

/* ===== Sections ===== */
.section { padding: 80px 24px; }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section-title {
  font-size: 2rem; font-weight: 700; text-align: center;
  margin-bottom: 16px; color: var(--color-primary);
}
.section-subtitle {
  text-align: center; color: var(--color-text-light);
  max-width: 640px; margin: 0 auto 48px; font-size: 1.05rem;
}
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-bg-dark); color: #fff; }
.section-dark .section-title { color: #fff; }

/* ===== Card Grid ===== */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.card {
  background: var(--color-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.card img { width: 100%; height: 220px; object-fit: cover; }
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--color-primary); }
.card-body p { color: var(--color-text-light); font-size: .95rem; }

/* ===== Two-column card grid ===== */
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

/* ===== Product Cards ===== */
.product-card {
  background: var(--color-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; text-align: center;
  padding: 32px 24px;
  transition: transform var(--transition);
}
.product-card:hover { transform: translateY(-4px); }
.product-card img { width: 180px; height: 180px; object-fit: contain; margin: 0 auto 20px; }
.product-card h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--color-primary); }
.product-card p { color: var(--color-text-light); font-size: .9rem; margin-bottom: 16px; }

/* ===== Full-Width Block ===== */
.full-width-block {
  position: relative; padding: 80px 24px;
  background-size: cover; background-position: center;
  color: #fff; text-align: center;
}
.full-width-block::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(26,35,50,.75);
}
.full-width-block .section-inner { position: relative; z-index: 2; }
.full-width-block h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.full-width-block p { max-width: 700px; margin: 0 auto; font-size: 1.05rem; opacity: .9; }

/* ===== Gallery Grid ===== */
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.gallery-grid img {
  width: 100%; height: 250px; object-fit: cover;
  border-radius: var(--radius);
  transition: transform var(--transition);
}
.gallery-grid img:hover { transform: scale(1.03); }

/* ===== Solution Rows ===== */
.solution-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center; margin-bottom: 64px;
}
.solution-row:last-child { margin-bottom: 0; }
.solution-row.reverse { direction: rtl; }
.solution-row.reverse > * { direction: ltr; }
.solution-row img {
  width: 100%; height: 320px; object-fit: cover;
  border-radius: var(--radius);
}
.solution-text h3 { font-size: 1.4rem; margin-bottom: 12px; color: var(--color-primary); }
.solution-text p { color: var(--color-text-light); margin-bottom: 16px; }
.badge {
  display: inline-block; padding: 4px 14px;
  background: var(--color-accent); color: var(--color-primary);
  border-radius: 20px; font-size: .8rem; font-weight: 700;
}

/* ===== Team Grid ===== */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; max-width: 900px; margin: 0 auto; }
.team-member { text-align: center; }
.team-member img {
  width: 200px; height: 200px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 16px; border: 4px solid var(--color-accent);
}
.team-member h3 { font-size: 1.15rem; margin-bottom: 4px; }
.team-member .role { color: var(--color-accent); font-weight: 600; margin-bottom: 12px; }
.team-member p { color: var(--color-text-light); font-size: .9rem; }
.team-member .social-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-accent); margin-top: 12px; font-weight: 500;
}
.team-member .social-link:hover { text-decoration: underline; }
.linkedin-icon { width: 20px; height: 20px; }

/* ===== Contact Layout ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info img { width: 100%; border-radius: var(--radius); margin-bottom: 24px; }
.contact-info h3 { margin-bottom: 16px; color: var(--color-primary); }
.contact-info p { color: var(--color-text-light); margin-bottom: 8px; }
.contact-info a { color: var(--color-accent); }
.contact-info a:hover { text-decoration: underline; }

/* ===== Forms ===== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; margin-bottom: 6px; font-weight: 600;
  font-size: .9rem; color: var(--color-primary);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  font-size: .95rem; font-family: var(--font-body);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none; border-color: var(--color-accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.thank-you {
  text-align: center; padding: 48px 24px;
  font-size: 1.2rem; color: var(--color-primary);
}
.thank-you.hidden { display: none; }

/* ===== Map ===== */
.map-container { margin-top: 48px; }
.map-container iframe {
  width: 100%; height: 400px; border: none;
  border-radius: var(--radius);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark); color: rgba(255,255,255,.7);
  padding: 64px 24px 32px;
}
.footer-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand .logo { margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: .9rem; line-height: 1.7; }
.footer-col h4 {
  color: #fff; font-size: .9rem; text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 16px;
}
.footer-col a {
  display: block; margin-bottom: 10px; font-size: .9rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-accent); }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a img { width: 32px; height: 32px; opacity: .7; transition: opacity var(--transition); }
.footer-social a:hover img { opacity: 1; }
.footer-bottom {
  max-width: var(--max-width); margin: 32px auto 0;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1);
  text-align: center; font-size: .85rem;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-row { grid-template-columns: 1fr; gap: 24px; }
  .solution-row.reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 400px; }
  .hero h1 { font-size: 2.2rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: var(--header-height); left: 0; right: 0;
    background: var(--color-primary); padding: 24px;
    gap: 16px;
  }
  .nav-toggle { display: block; }
  .card-grid, .card-grid-2 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .hero-content { padding: 40px 16px; }
  .section { padding: 48px 16px; }
  .section-title { font-size: 1.6rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}