/* ============================
   DaxTech LLC — styles.css
   ============================ */

/* Reset & base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-border: #e2e6ea;
  --color-text: #1a1a2e;
  --color-text-muted: #5a6475;
  --color-accent: #1b4fff;
  --color-accent-dark: #1440e0;
  --color-white: #ffffff;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1080px;
  --radius: 8px;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a:hover,
a:focus {
  text-decoration: underline;
  color: var(--color-accent-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ============================
   Layout helpers
   ============================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ============================
   Site header / nav
   ============================ */

.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.site-logo:hover {
  text-decoration: none;
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.site-nav a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ============================
   Hero
   ============================ */

.hero {
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero__tagline {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero__headline {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  text-decoration: none;
}

/* ============================
   Sections — shared
   ============================ */

section {
  padding: 5rem 0;
}

section:nth-child(even) {
  background: var(--color-surface);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 1.25rem;
}

.section-body {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 640px;
}

/* ============================
   About
   ============================ */

.about .section-body {
  font-size: 1.1rem;
  line-height: 1.75;
}

/* ============================
   Products
   ============================ */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.product-card__icon {
  color: var(--color-accent);
  margin-bottom: 1rem;
  line-height: 0;
}

.product-card__icon svg {
  width: 2rem;
  height: 2rem;
}

.product-card__name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.product-card__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.product-card__link {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ============================
   Contact
   ============================ */

.contact-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.contact-item__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.contact-item__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.15rem;
}

.contact-item__value {
  font-size: 1rem;
  color: var(--color-text);
}

/* ============================
   Footer
   ============================ */

.site-footer {
  background: var(--color-text);
  color: #c9cfda;
  padding: 2.5rem 0;
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer__copy {
  color: #8892a0;
}

.site-footer__links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.site-footer__links a {
  color: #c9cfda;
}

.site-footer__links a:hover {
  color: var(--color-white);
}

/* ============================
   Sub-pages (privacy, terms)
   ============================ */

.page-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-hero__meta {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.prose {
  max-width: 760px;
  padding: 3rem 0 5rem;
}

.prose h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.prose p,
.prose ul,
.prose ol {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.prose ul,
.prose ol {
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

.prose a {
  color: var(--color-accent);
}

/* ============================
   Responsive
   ============================ */

@media (max-width: 640px) {
  .site-nav {
    gap: 1.25rem;
  }

  .hero {
    padding: 4rem 0 3.5rem;
  }

  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
  }
}