/* ============================================================
   Bard Technical Solutions LLC — landing page styles
   Palette taken from the company business card: deep navy + gold.
   ============================================================ */

:root {
  /* Brand palette */
  --navy-900: #0a1020;
  --navy-800: #0d152b;
  --navy-700: #122046;
  --navy-600: #1a2c5a;
  --gold-300: #e7c878;
  --gold-400: #d4af6a;
  --gold-500: #cda44e;
  --gold-600: #a9842f;

  /* Semantic */
  --bg: var(--navy-900);
  --bg-alt: var(--navy-800);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(231, 200, 120, 0.08);
  --border: rgba(231, 200, 120, 0.16);
  --accent: var(--gold-400);
  --accent-strong: var(--gold-300);
  --text: #eef1f8;
  --text-muted: #aab3c8;
  --text-faint: #7d8aa6;

  /* Layout */
  --maxw: 1120px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);

  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display: "Sora", var(--font-sans);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}

.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section--alt { background: var(--bg-alt); }

.section__head {
  max-width: 640px;
  margin: 0 auto clamp(2rem, 5vw, 3.25rem);
  text-align: center;
}
.section__head h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); margin-bottom: 0.6rem; }
.section__sub { color: var(--text-muted); font-size: 1.05rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--navy-900);
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: var(--navy-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1.5px solid var(--btn-bg);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(212, 175, 106, 0.28); }
.btn:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 3px; }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { background: var(--surface-hover); box-shadow: none; border-color: var(--accent); }

.btn--small { padding: 0.55rem 1.1rem; font-size: 0.9rem; }
.btn--lg { padding: 0.95rem 2rem; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 16, 32, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand__mark { width: 40px; height: 40px; }
.brand__text { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; letter-spacing: 0.01em; }
.brand__accent { color: var(--accent); font-weight: 700; }

.nav__menu { display: flex; align-items: center; gap: 1.75rem; }
.nav__menu a { font-weight: 500; color: var(--text-muted); transition: color 0.15s ease; }
.nav__menu a:hover { color: var(--text); }
.nav__menu a.btn { color: var(--navy-900); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav__toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  margin-inline: auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 11vw, 8rem);
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(212, 175, 106, 0.14), transparent 60%),
    linear-gradient(180deg, var(--navy-800), var(--navy-900));
}
.hero__inner { position: relative; z-index: 2; max-width: 760px; }
.hero__title {
  font-size: clamp(2.3rem, 6vw, 4.1rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero__lede {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 60ch;
  margin-bottom: 2rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.75rem; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 5vw, 3rem);
  list-style: none;
  margin: 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--border);
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--font-display); font-size: 1.15rem; color: var(--accent-strong); }
.hero__stats span { color: var(--text-faint); font-size: 0.92rem; }

.hero__glow {
  position: absolute;
  right: -10%;
  top: -20%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(212, 175, 106, 0.18), transparent 70%);
  filter: blur(20px);
  z-index: 1;
  pointer-events: none;
}

/* ---------- Grid / Cards ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid--cards { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid--secondary { margin-top: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); background: var(--surface-hover); }
.card h3 { font-size: 1.2rem; margin-bottom: 0.55rem; }
.card p { color: var(--text-muted); font-size: 0.98rem; }

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(231, 200, 120, 0.18), rgba(169, 132, 47, 0.1));
  border: 1px solid var(--border);
  color: var(--accent-strong);
  font-size: 1.3rem;
  font-weight: 700;
}
.card--soft { padding: 1.3rem 1.4rem; background: transparent; }
.card--soft h3 { font-size: 1.05rem; }
.card--soft p { font-size: 0.92rem; }

/* ---------- Steps / Approach ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  counter-reset: step;
}
.step {
  position: relative;
  padding: 1.6rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step__num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.85;
}
.step h3 { margin: 0.5rem 0 0.4rem; font-size: 1.15rem; }
.step p { color: var(--text-muted); font-size: 0.96rem; }

/* ---------- About ---------- */
.about {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.5rem);
  grid-template-columns: 1.2fr 1fr;
  align-items: start;
}
.about__text h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin: 0.4rem 0 1rem; }
.about__text p { color: var(--text-muted); margin-bottom: 1rem; }
.about__values { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.9rem; }
.about__values li {
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.97rem;
}
.about__values strong { color: var(--text); }

/* ---------- CTA ---------- */
.section--cta {
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(212, 175, 106, 0.12), transparent 65%),
    var(--bg-alt);
}
.cta { text-align: center; max-width: 620px; margin-inline: auto; }
.cta h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 0.75rem; }
.cta > p { color: var(--text-muted); font-size: 1.08rem; margin-bottom: 1.75rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }
.cta__fineprint { margin-top: 1.5rem; color: var(--text-faint); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--navy-900); }
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 1.75rem;
  font-size: 0.88rem;
  color: var(--text-faint);
}
.footer__brand { font-family: var(--font-display); font-weight: 700; color: var(--text-muted); }
.footer__version { font-variant-numeric: tabular-nums; }

/* ---------- Responsive nav ---------- */
@media (max-width: 760px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem clamp(1.1rem, 4vw, 2.5rem) 1.5rem;
    background: var(--navy-800);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .nav__menu[data-open="true"] { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__menu a { padding: 0.7rem 0.25rem; }
  .nav__menu a.btn { margin-top: 0.5rem; text-align: center; }
  .about { grid-template-columns: 1fr; }
}