/* CARMELSOLV™ — Global Styles */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:   #0B1526;
  --bg-secondary: #101E35;
  --bg-card:      #162033;
  --border:       #1E3050;
  --accent:       #C8922A;
  --accent-dark:  #A87520;
  --text-primary: #F0F6FF;
  --text-secondary: #94A3B8;
  --text-muted:   #64748B;
  --white:        #FFFFFF;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-w: 1100px;
  --radius: 8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--white); }

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

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 21, 38, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.nav-logo img {
  height: 36px;
  width: auto;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

/* ── Hero ── */
.hero {
  padding: 96px 24px 80px;
  text-align: center;
  background: linear-gradient(180deg, #0D1F3C 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--white);
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.1s;
  letter-spacing: 0.02em;
}
.btn:hover { background: var(--white); color: var(--bg-primary); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  margin-left: 12px;
}
.btn-outline:hover { background: var(--accent); color: var(--bg-primary); }

/* ── Section ── */
section { padding: 80px 0; }
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 56px;
}

/* ── Why Cards ── */
.why-bg { background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.why-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.why-icon {
  width: 44px;
  height: 44px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.3rem;
}
.why-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.why-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ── Products ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.product-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.product-cas {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.product-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.product-card p { font-size: 0.875rem; color: var(--text-secondary); flex: 1; margin-bottom: 16px; }
.product-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.product-link:hover { gap: 8px; color: var(--white); }

/* ── Product Detail Page ── */
.product-hero {
  padding: 64px 24px 56px;
  background: linear-gradient(180deg, #0D1F3C 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}
.breadcrumb { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.product-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: var(--white); margin-bottom: 12px; }
.product-hero .cas-badge {
  display: inline-block;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.product-hero p { font-size: 1rem; color: var(--text-secondary); max-width: 640px; margin-bottom: 28px; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.spec-table th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.05em; text-transform: uppercase; width: 40%; }
.spec-table td { color: var(--text-primary); }
.spec-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; }
.spec-section-title { padding: 14px 16px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); border-bottom: 1px solid var(--border); }
.app-list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.app-tag {
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }

/* ── Contact ── */
.contact-bg { background: var(--bg-secondary); border-top: 1px solid var(--border); }
.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.contact-box h2 { font-size: 1.8rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.contact-box p { color: var(--text-secondary); margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon { font-size: 1.2rem; min-width: 24px; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 2px; }
.contact-item span, .contact-item a { font-size: 0.95rem; color: var(--text-primary); }
.contact-item a:hover { color: var(--accent); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
footer a { color: var(--text-muted); }
footer a:hover { color: var(--accent); }
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-links { display: flex; gap: 24px; }

/* ── Contact Form ── */
.contact-form { text-align: left; margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; margin-bottom: 16px; }
.form-group label { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 10px 14px;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg-primary); }
.form-group textarea { resize: vertical; }
.contact-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0 20px;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.contact-divider::before,
.contact-divider::after { content: ''; flex: 1; border-top: 1px solid var(--border); }

/* ── Divider ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 48px 0; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding: 64px 20px 56px; }
  .contact-box { padding: 32px 20px; }
  .btn-outline { display: none; }
}