/* === CONSULTING SHARED COMPONENTS === */
/* Navigation, hamburger, drawer, and footer styles for AI Consulting */
/* Used via: <link rel="stylesheet" href="/shared/components.css"> */

/* === DESIGN TOKENS === */
:root {
  --c-bg: #0d0d0f;
  --c-bg-elevated: #161618;
  --c-surface: #1e1e22;
  --c-border: rgba(255,255,255,0.06);
  --c-border-strong: rgba(255,255,255,0.12);
  --c-text: #e8e9ed;
  --c-text-muted: #8a8d9a;
  --c-text-light: #5a5d6a;
  --c-accent: #c9a84c;
  --c-accent-soft: rgba(201,168,76,0.1);
  --c-accent-glow: rgba(201,168,76,0.2);
  --c-accent-text: #dfc06a;
  --c-white: #ffffff;
}

/* === NAVIGATION === */
.c-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
}

/* === NAV LOGO === */
.c-nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.c-nav-logo img {
  height: 40px;
  width: auto;
}

/* === NAV LINKS === */
.c-nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-left: auto;
}

.c-nav-links a {
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.c-nav-links a:hover {
  color: var(--c-white);
}

/* === NAV CTA BUTTON === */
.c-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--c-accent);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.55rem 1.25rem;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.c-nav-cta:hover {
  background: #d4b35c;
  box-shadow: 0 0 20px var(--c-accent-glow);
}

/* === NAV RIGHT (CTA + hamburger container) === */
.c-nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* === HAMBURGER === */
.c-nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 24px;
  position: relative;
  z-index: 110;
  padding: 0;
}

.c-nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  margin-left: auto;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: absolute;
  right: 0;
}

.c-nav-hamburger span:nth-child(1) { width: 14px; top: 4px; }
.c-nav-hamburger span:nth-child(2) { width: 22px; top: 11px; }
.c-nav-hamburger span:nth-child(3) { width: 18px; top: 18px; }

.c-nav-hamburger:hover span { background: var(--c-accent); }
.c-nav-hamburger:hover span:nth-child(1) { width: 22px; }
.c-nav-hamburger:hover span:nth-child(3) { width: 22px; }

.c-nav-hamburger.open span:nth-child(1) { width: 22px; top: 11px; transform: rotate(45deg); }
.c-nav-hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.c-nav-hamburger.open span:nth-child(3) { width: 22px; top: 11px; transform: rotate(-45deg); }

/* === NAV DRAWER === */
.c-nav-drawer {
  display: none;
  position: fixed;
  top: 76px;
  right: 0;
  width: 280px;
  background: var(--c-bg-elevated);
  border-bottom: 1px solid var(--c-border);
  border-left: 1px solid var(--c-border);
  border-radius: 0 0 0 8px;
  padding: 1.5rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 0;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  animation: cDrawerIn 0.25s ease-out;
}

.c-nav-drawer.open { display: flex; }

.c-nav-drawer a {
  color: var(--c-text);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--c-border);
  transition: color 0.2s;
}

.c-nav-drawer a:last-child { border-bottom: none; }

.c-nav-drawer a:hover { color: var(--c-accent-text); }

.c-nav-drawer .c-drawer-cta {
  display: block;
  margin-top: 1rem;
  padding: 0.7rem 1.25rem;
  background: var(--c-accent);
  color: var(--c-white);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  border-radius: 6px;
  border-bottom: none;
  transition: background 0.2s, box-shadow 0.2s;
}

.c-nav-drawer .c-drawer-cta:hover {
  background: #d4b35c;
  box-shadow: 0 0 20px var(--c-accent-glow);
  color: var(--c-white);
}

@keyframes cDrawerIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === FOOTER === */
.c-footer {
  text-align: center;
  padding: 3rem 2rem 2rem;
  border-top: 1px solid var(--c-border);
}

.c-footer-logo {
  display: inline-block;
  margin-bottom: 0.5rem;
}

.c-footer-logo img {
  height: 32px;
  width: auto;
  opacity: 0.7;
}

.c-footer-division {
  font-size: 0.75rem;
  color: var(--c-text-light);
  letter-spacing: 0.08em;
  margin-bottom: 1.75rem;
}

.c-footer-division a {
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.c-footer-division a:hover { color: var(--c-accent-text); }

.c-footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.c-footer-links a {
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.c-footer-links a:hover { color: var(--c-white); }

.c-footer-legal {
  font-size: 0.75rem;
  color: var(--c-text-light);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.c-footer-legal a {
  color: var(--c-text-light);
  text-decoration: none;
  transition: color 0.3s;
}

.c-footer-legal a:hover { color: var(--c-text-muted); }

.c-footer-legal .c-sep {
  margin: 0 0.5rem;
  opacity: 0.4;
}

.c-footer-copy {
  font-size: 0.7rem;
  color: var(--c-text-light);
  letter-spacing: 0.05em;
}

/* === RESPONSIVE === */
@media (min-width: 769px) {
  .c-nav-hamburger { display: none; }
}

@media (max-width: 768px) {
  html, body { overflow-x: hidden; }

  .c-nav {
    padding: 0.4rem 1.25rem;
    gap: 0.5rem;
  }

  .c-nav-logo img { height: 32px; }

  .c-nav-links { display: none; }

  .c-nav-right .c-nav-cta { display: none; }

  .c-nav-hamburger { display: block; }

  .c-nav-drawer {
    top: 64px;
    left: 0;
    width: auto;
    border-left: none;
    border-radius: 0;
  }

  .c-footer-links { gap: 1.25rem; }
}