/* Andy Kemp Consulting brand colours */
:root {
  --md-primary-fg-color: #1a1a2e;
  --md-primary-fg-color--light: #2d2d4a;
  --md-primary-fg-color--dark: #0f0f1a;
  --md-accent-fg-color: #4361ee;
  --md-accent-fg-color--transparent: rgba(67, 97, 238, 0.1);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #1a1a2e;
  --md-primary-fg-color--light: #2d2d4a;
  --md-primary-fg-color--dark: #0f0f1a;
  --md-accent-fg-color: #6c8cff;
  --md-accent-fg-color--transparent: rgba(108, 140, 255, 0.1);
}

/* Hero section on home page */
.md-typeset .hero {
  margin: 0 -0.8rem 2rem;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-radius: 0.4rem;
  color: #fff;
  text-align: center;
}

.md-typeset .hero h1 {
  color: #fff;
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.md-typeset .hero .hero-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 0.3rem;
}

.md-typeset .hero .hero-tagline {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.md-typeset .hero .hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.md-typeset .hero .md-button {
  border-color: #fff;
  color: #fff;
}

.md-typeset .hero .md-button:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.md-typeset .hero .md-button--primary {
  background: #4361ee;
  border-color: #4361ee;
  color: #fff;
}

.md-typeset .hero .md-button--primary:hover {
  background: #3a56d4;
  border-color: #3a56d4;
}

/* Tool cards on home page */
.md-typeset .tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.md-typeset .tool-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.4rem;
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.md-typeset .tool-card:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.md-typeset .tool-card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.md-typeset .tool-card p {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  margin-bottom: 1rem;
}

/* Permalink anchors — subtle, only visible on hover */
.md-typeset .headerlink {
  opacity: 0;
  font-size: 0.7em;
  color: var(--md-default-fg-color--lighter);
  margin-left: 0.3em;
  transition: opacity 0.15s ease;
  text-decoration: none;
}

.md-typeset h1:hover .headerlink,
.md-typeset h2:hover .headerlink,
.md-typeset h3:hover .headerlink,
.md-typeset h4:hover .headerlink {
  opacity: 0.4;
}

.md-typeset .headerlink:hover {
  opacity: 0.7;
  color: var(--md-accent-fg-color);
}

/* Footer branding */
.md-footer-meta {
  background: #1a1a2e;
}

.md-footer-copyright {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Header branding text next to logo */
.md-header__title {
  font-weight: 600;
}

/* ── Left navigation styling ── */

/* Nav container */
.md-nav--primary > .md-nav__list {
  padding: 0.25rem 0;
}

/* Top-level nav sections */
.md-nav--primary > .md-nav__list > .md-nav__item {
  margin-bottom: 0.1rem;
}

/* Section labels — clean, readable, professional */
.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link,
.md-nav--primary > .md-nav__list > .md-nav__item > label.md-nav__link {
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--md-default-fg-color);
  padding: 0.55rem 0.75rem;
  border-radius: 0.3rem;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link:hover,
.md-nav--primary > .md-nav__list > .md-nav__item > label.md-nav__link:hover {
  color: var(--md-accent-fg-color);
  background: var(--md-accent-fg-color--transparent);
  border-left-color: var(--md-accent-fg-color);
}

/* Active section highlight */
.md-nav--primary > .md-nav__list > .md-nav__item--active > .md-nav__link,
.md-nav--primary > .md-nav__list > .md-nav__item--active > label.md-nav__link {
  color: var(--md-accent-fg-color);
  background: var(--md-accent-fg-color--transparent);
  border-left-color: var(--md-accent-fg-color);
}

/* Child nav items — indented, lighter weight */
.md-nav--primary .md-nav__item .md-nav .md-nav__link {
  font-size: 0.76rem;
  font-weight: 400;
  padding: 0.4rem 0.75rem 0.4rem 1.5rem;
  border-radius: 0.25rem;
  color: var(--md-default-fg-color--light);
  transition: all 0.15s ease;
}

.md-nav--primary .md-nav__item .md-nav .md-nav__link:hover {
  background: var(--md-accent-fg-color--transparent);
  color: var(--md-accent-fg-color);
}

/* Active child link */
.md-nav--primary .md-nav__item .md-nav .md-nav__item--active > .md-nav__link {
  color: var(--md-accent-fg-color);
  font-weight: 600;
  background: var(--md-accent-fg-color--transparent);
}

/* Subtle divider between top-level sections */
.md-nav--primary > .md-nav__list > .md-nav__item + .md-nav__item {
  border-top: 1px solid var(--md-default-fg-color--lightest);
  padding-top: 0.35rem;
  margin-top: 0.35rem;
}

/* Expand/collapse arrow */
.md-nav__icon {
  transition: transform 0.2s ease;
}

/* Sidebar title — compact and clean */
.md-nav--primary .md-nav__title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-default-fg-color--lighter);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  margin-bottom: 0.5rem;
}

/* Sub-section headers within expanded sections (Deployment, Usage, Features) */
.md-nav--primary .md-nav .md-nav .md-nav__title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--md-default-fg-color--lighter);
  padding: 0.3rem 0.75rem 0.3rem 1.5rem;
  border-bottom: none;
  margin-bottom: 0;
}

/* Third-level nav items */
.md-nav--primary .md-nav .md-nav .md-nav__link {
  padding-left: 2.2rem;
  font-size: 0.74rem;
}

/* ── Tools heading on home page ── */
.md-typeset .tools-heading {
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  margin: 2.5rem 0 0.5rem;
  color: var(--md-default-fg-color);
}

/* Tool card heading (HTML h3 — needs icon support) */
.md-typeset .tool-card-title {
  margin-top: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* ══════════════════════════════════════════════════
   Responsive — Tablet (≤960px)
   ══════════════════════════════════════════════════ */
@media screen and (max-width: 960px) {

  /* Hero scales down */
  .md-typeset .hero {
    padding: 3rem 1.5rem;
    margin: 0 -0.6rem 1.5rem;
    border-radius: 0;
  }

  .md-typeset .hero h1 {
    font-size: 1.8rem;
  }

  .md-typeset .hero .hero-subtitle {
    font-size: 1rem;
  }

  .md-typeset .hero .hero-tagline {
    font-size: 0.88rem;
    max-width: 100%;
  }

  /* Tool grid — 2 columns */
  .md-typeset .tool-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

/* ══════════════════════════════════════════════════
   Responsive — Mobile (≤600px)
   ══════════════════════════════════════════════════ */
@media screen and (max-width: 600px) {

  /* Hero — full bleed, compact */
  .md-typeset .hero {
    padding: 2.5rem 1.2rem;
    margin: 0 -0.8rem 1.5rem;
  }

  .md-typeset .hero h1 {
    font-size: 1.45rem;
    line-height: 1.25;
    margin-bottom: 0.4rem;
  }

  .md-typeset .hero .hero-subtitle {
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
  }

  .md-typeset .hero .hero-tagline {
    font-size: 0.82rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    max-width: 100%;
  }

  /* Buttons stack vertically on mobile */
  .md-typeset .hero .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
  }

  .md-typeset .hero .hero-buttons .md-button {
    width: 100%;
    max-width: 280px;
    text-align: center;
    padding: 0.7rem 1rem;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
  }

  /* Tool grid — single column */
  .md-typeset .tool-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    margin: 1.5rem 0;
  }

  .md-typeset .tool-card {
    padding: 1.2rem;
  }

  .md-typeset .tool-card-title {
    font-size: 1rem;
  }

  .md-typeset .tool-card p {
    font-size: 0.8rem;
  }

  /* Tools section heading */
  .md-typeset .tools-heading {
    font-size: 1.15rem;
    margin: 1.5rem 0 0.3rem;
  }

  /* Footer contact strip — tighter on mobile */
  .md-typeset div[style*="text-align: center"] {
    font-size: 0.78rem !important;
  }

  .md-typeset div[style*="text-align: center"] .md-button {
    font-size: 0.72rem;
    padding: 0.3rem 0.6rem;
  }
}

/* ══════════════════════════════════════════════════
   Responsive — Small mobile (≤400px)
   ══════════════════════════════════════════════════ */
@media screen and (max-width: 400px) {

  .md-typeset .hero {
    padding: 2rem 1rem;
  }

  .md-typeset .hero h1 {
    font-size: 1.25rem;
  }

  .md-typeset .hero .hero-subtitle {
    font-size: 0.82rem;
  }

  .md-typeset .hero .hero-tagline {
    font-size: 0.78rem;
  }

  .md-typeset .hero .hero-buttons .md-button {
    max-width: 100%;
    font-size: 0.78rem;
  }
}

/* ══════════════════════════════════════════════════
   Mobile nav drawer styling
   ══════════════════════════════════════════════════ */
@media screen and (max-width: 76.1875em) {

  /* Nav drawer items — larger tap targets */
  .md-nav--primary .md-nav__link {
    padding: 0.65rem 0.8rem;
    font-size: 0.85rem;
  }

  /* Top-level sections in drawer */
  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link,
  .md-nav--primary > .md-nav__list > .md-nav__item > label.md-nav__link {
    font-size: 0.88rem;
    padding: 0.7rem 1rem;
    border-left: none;
  }

  /* Active state — bottom border instead of left */
  .md-nav--primary > .md-nav__list > .md-nav__item--active > .md-nav__link,
  .md-nav--primary > .md-nav__list > .md-nav__item--active > label.md-nav__link {
    border-left: none;
    border-bottom: 2px solid var(--md-accent-fg-color);
    border-radius: 0;
  }

  /* Child items in drawer */
  .md-nav--primary .md-nav__item .md-nav .md-nav__link {
    font-size: 0.84rem;
    padding: 0.6rem 1rem 0.6rem 1.8rem;
  }

  /* Section dividers */
  .md-nav--primary > .md-nav__list > .md-nav__item + .md-nav__item {
    padding-top: 0.4rem;
    margin-top: 0.4rem;
  }
}