/* ═══════════════════════════════════════════════════════════════════════
   TechDynamic Website — design tokens + styles
   Brand retint from the TechDynamic logo: navy / burnt orange / cream
   ═══════════════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,400;0,600;0,800;1,800&display=swap');

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #1a2e3e;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  --td-navy: #14476b;
  --td-navy-deep: #0e344f;
  --td-cream: #fbdcb6;

  --color-accent: #b25a0b;
  --color-accent-100: #f7e3cf;
  --color-accent-200: #efc9a2;
  --color-accent-300: #e2a76a;
  --color-accent-400: #cd8033;
  --color-accent-500: #b25a0b;
  --color-accent-600: #964b06;
  --color-accent-700: #7a3d05;
  --color-accent-800: #5e2f05;
  --color-accent-900: #452304;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;

  --page-max: 1200px;
  --page-pad: clamp(20px, 5vw, 72px);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  text-wrap: pretty;
}

a { color: var(--color-accent-700); text-decoration: none; }
a:hover { color: var(--color-accent-500); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.container {
  max-width: var(--page-max);
  margin: 0 auto;
  padding-inline: var(--page-pad);
}

/* — navigation — */
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-block: 12px;
  padding-inline: max(var(--page-pad), calc((100% - var(--page-max)) / 2 + var(--page-pad)));
  border-bottom: 2px solid var(--color-divider);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-brand {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-style: italic;
  font-size: 18px;
  margin-right: auto;
  color: var(--color-text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  color: inherit;
  font-size: 14px;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--color-accent); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  margin: -8px;
  cursor: pointer;
  color: var(--color-text);
}
.nav-toggle svg { display: block; }

/* — buttons — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 14px;
  line-height: 1.2;
  border: 1px solid transparent;
  padding: 8px 14px;
}
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); color: var(--color-bg); }
.btn-primary:active { background: var(--color-accent-700); }

/* — hero — */
.hero {
  background: var(--td-navy);
  color: var(--td-cream);
}
.hero .container {
  padding-block: clamp(72px, 10vw, 128px) clamp(56px, 8vw, 96px);
}
.hero h1 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-style: italic;
  font-size: clamp(44px, 6.4vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0 -0.058em;
  max-width: 16ch;
}
.hero p {
  font-size: 17px;
  line-height: 28px;
  max-width: 58ch;
  margin: 42px 0 0;
  color: color-mix(in srgb, var(--td-cream) 88%, transparent);
}

/* — band strip — */
.band-strip {
  background: var(--td-cream);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px 0;
}
.band-strip > div {
  background: var(--color-accent);
  color: var(--td-cream);
  padding: 22px 24px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.band-strip > div:first-child { padding-inline-start: var(--page-pad); }

/* — sections — */
.section { padding: 84px 0 70px; }
.section-kicker {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-700);
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 0 -0.045em;
}
.section-lead {
  font-size: 17px;
  line-height: 28px;
  max-width: 58ch;
  margin: 24px 0 0;
}
.divider {
  height: 2px;
  border: 0;
  margin: 0;
  background: var(--color-divider);
}
.label {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
  color: var(--color-accent-700);
}
.label-muted { color: color-mix(in srgb, var(--color-text) 70%, transparent); }
.value {
  font-size: 17px;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
}

/* — about — */
.about-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px clamp(28px, 4vw, 64px);
  margin-top: 42px;
}
.point {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 16px;
  align-items: baseline;
}
.point .sq,
.perk .sq {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  transform: translateY(-1px);
}
.point p {
  font-size: 15.5px;
  line-height: 28px;
  margin: 0;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}

/* — training — */
.training-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px clamp(28px, 5vw, 96px);
  margin-top: 24px;
}
.training-grid p.body-copy {
  font-size: 15.5px;
  line-height: 28px;
  margin: 0;
  color: color-mix(in srgb, var(--color-text) 82%, transparent);
}
.training-grid p.body-copy + p.body-copy { margin-top: 20px; }
.perks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.perk {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: 15.5px;
  line-height: 24px;
}
.training-facts {
  border-top: 2px solid var(--color-divider);
  margin-top: 42px;
  padding-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

/* — products — */
.product-row {
  display: grid;
  grid-template-columns: minmax(64px, 140px) minmax(0, 360px) minmax(0, 1fr);
  gap: 14px clamp(24px, 4vw, 72px);
  align-items: baseline;
  padding: 36px 0;
  border-top: 2px solid var(--color-divider);
}
.product-row .num {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 15px;
  margin: 0;
  font-feature-settings: 'tnum' 1;
}
.product-row h3 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 24px;
  line-height: 28px;
  letter-spacing: -0.01em;
  margin: 0;
}
.product-row .copy {
  font-size: 15.5px;
  line-height: 28px;
  margin: 0;
  max-width: 52ch;
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
}

/* — services — */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2px;
  background: var(--color-divider);
  border: 2px solid var(--color-divider);
  margin-top: 42px;
}
.service-card {
  background: var(--color-bg);
  padding: 28px 28px 32px;
}
.service-card .num {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 15px;
  margin: 0 0 16px;
  color: var(--color-accent-700);
  font-feature-settings: 'tnum' 1;
}
.service-card h3 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 21px;
  line-height: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  max-width: 30ch;
}
.service-card p {
  font-size: 15px;
  line-height: 26px;
  margin: 0;
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
}
.services-cta {
  font-size: 17px;
  line-height: 28px;
  margin: 36px 0 0;
}
.services-cta a {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
}

/* — partners — */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2px;
  background: var(--color-divider);
  border: 2px solid var(--color-divider);
}
.partners-grid > div {
  background: var(--color-bg);
  padding: 36px 24px;
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 20px;
  letter-spacing: -0.01em;
}

/* — contact — */
.contact {
  background: var(--td-navy);
  color: var(--td-cream);
}
.contact .container {
  padding-block: clamp(56px, 8vw, 96px);
}
.contact h2 {
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-style: italic;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0 0 0 -0.058em;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px clamp(28px, 4vw, 64px);
  margin-top: 48px;
  border-top: 2px solid color-mix(in srgb, var(--td-cream) 35%, transparent);
  padding-top: 32px;
}
.contact-grid .label { color: color-mix(in srgb, var(--td-cream) 65%, transparent); }
.contact-grid .value { line-height: 24px; }
.contact-grid a,
.contact-grid span.value-lg {
  color: var(--td-cream);
  font-family: var(--font-heading);
  font-weight: var(--font-heading-weight);
  font-size: 20px;
}
.contact-grid a:hover { color: #fff; }
.contact-footnote {
  font-size: 13px;
  margin: 48px 0 0;
  color: color-mix(in srgb, var(--td-cream) 55%, transparent);
}

/* ═══ responsive ═══ */
@media (max-width: 860px) {
  .nav { flex-wrap: wrap; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 0 8px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 16px; padding: 8px 0; }
  .nav-links .btn { margin-top: 8px; padding: 10px 18px; }

  .band-strip { grid-template-columns: 1fr; }
  .band-strip > div { padding-inline: var(--page-pad); }

  .section { padding: 64px 0 52px; }

  .product-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 0;
  }
  .product-row .num { color: var(--color-accent-700); }
}