/* ==========================================================================
   Precision Pool Repair — MECHANICAL PRECISION theme
   Layers on top of Pico CSS (classless=false) + Tailwind CDN
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
  --color-primary: #0D1B2A;
  --color-secondary: #1B3A4B;
  --color-accent: #00B4D8;
  --color-accent-hover: #0096B7;
  --color-warn: #E63946;
  --color-surface: #F0F4F8;
  --color-surface-alt: #E2E8F0;
  --color-text: #1A1A2E;
  --color-text-light: #64748B;
  --color-white: #FFFFFF;
  --color-border: #CBD5E1;
  --font-display: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-speed: 0.2s;
}

/* ---------- Pico CSS Overrides ---------- */
:root {
  --pico-font-family: var(--font-display);
  --pico-border-radius: 2px;
}

[class*="list-none"],
.list-none {
  list-style: none !important;
  padding-left: 0 !important;
}

.site-footer ul,
.site-footer li,
ul.flex,
ul.flex li,
ul[class*="flex"] li,
ul[class*="list-none"] li {
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}

/* Dark-section heading overrides */
.bg-primary h2,
.bg-primary h3,
.bg-secondary h2,
.bg-secondary h3,
.bg-warn h2,
.bg-warn h3,
section[class*="bg-primary"] h2,
section[class*="bg-primary"] h3 {
  color: var(--color-white);
}

.page-header h1 {
  color: var(--color-white);
  border-left: none;
  padding-left: 0;
}

/* ---------- General ---------- */
body {
  font-family: var(--font-display);
  background-color: var(--color-surface);
  color: var(--color-text);
  margin: 0;
  padding: 0;
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

h1, h2, h3 {
  border-left: 3px solid var(--color-accent);
  padding-left: 0.75rem;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* Monospace accent text (taglines, labels, badges) */
.mono,
.mono-label {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

/* ---------- Layout Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 4rem 0;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ---------- Blueprint Grid Overlay ---------- */
.blueprint-grid {
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0, 180, 216, 0.06) 0px,
      rgba(0, 180, 216, 0.06) 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 180, 216, 0.06) 0px,
      rgba(0, 180, 216, 0.06) 1px,
      transparent 1px,
      transparent 40px
    );
}

.blueprint-grid-strong {
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0, 180, 216, 0.12) 0px,
      rgba(0, 180, 216, 0.12) 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 180, 216, 0.12) 0px,
      rgba(0, 180, 216, 0.12) 1px,
      transparent 1px,
      transparent 40px
    );
}

/* ---------- Site Header ---------- */
.site-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.site-header a {
  text-decoration: none;
}

.site-header .nav-link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 0.75rem;
  transition: color var(--transition-speed);
}

.site-header .nav-link[aria-current="page"] {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

/* Mobile nav panel */
.mobile-nav {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease-out;
}

body.nav-open .mobile-nav {
  display: block !important;
  max-height: 400px;
  transition: max-height 0.35s ease-in;
}

/* Hamburger button reset */
#mobile-menu-toggle {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.5rem;
  cursor: pointer;
  border-radius: 2px;
  line-height: 0;
}

#mobile-menu-toggle:hover {
  background-color: rgba(0, 180, 216, 0.1);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0, 180, 216, 0.07) 0px,
      rgba(0, 180, 216, 0.07) 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 180, 216, 0.07) 0px,
      rgba(0, 180, 216, 0.07) 1px,
      transparent 1px,
      transparent 40px
    );
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 2rem 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-white);
  border-left: none;
  padding-left: 0;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero .tagline {
  font-family: var(--font-mono);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: clamp(0.8rem, 2vw, 1rem);
  margin-bottom: 2rem;
}

.hero .hero-description {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* CTA Buttons */
.main-cta,
.cta-primary {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 2rem;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
  text-decoration: none;
}

.main-cta:hover,
.cta-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  text-decoration: none;
  box-shadow: 0 0 16px rgba(0, 180, 216, 0.3);
}

.cta-secondary,
.cta-ghost {
  display: inline-block;
  background-color: transparent;
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 2rem;
  border: 2px solid var(--color-white);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  text-decoration: none;
}

.cta-secondary:hover,
.cta-ghost:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  text-decoration: none;
}

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

/* ---------- Service Cards ---------- */
.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background-color: var(--color-white);
  border-radius: 2px;
  border-left: 3px solid var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 1.75rem;
  transition: box-shadow var(--transition-speed), border-color var(--transition-speed);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
  border-left-color: var(--color-warn);
}

.service-card .service-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.service-card .service-icon .icon-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
}

.service-card h3 {
  color: var(--color-primary);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  border-left: none;
  padding-left: 0;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.service-card .service-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 700;
  transition: color var(--transition-speed);
}

.service-card .service-cta::after {
  content: ' →';
}

.service-card .service-cta:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* ---------- Value Props ---------- */
.value-props {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .value-props {
    grid-template-columns: 1fr;
  }
}

.value-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 1.5rem;
  transition: box-shadow var(--transition-speed);
}

.value-card:hover {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.value-card .value-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.value-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  border-left: none;
  padding-left: 0;
}

.value-card .mono-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.value-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

/* ---------- Service Area Badges ---------- */
.service-area-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-area-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  padding: 0.35rem 0.75rem;
  white-space: nowrap;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background-color: var(--color-secondary);
  color: var(--color-white);
  text-align: center;
  padding: 3.5rem 1.5rem;
}

.cta-banner h2 {
  color: var(--color-white);
  border-left: none;
  padding-left: 0;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .main-cta {
  margin-top: 0.5rem;
}

/* ---------- Contact Form ---------- */
#contact-form {
  max-width: 640px;
}

#contact-form label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  font-weight: 700;
  display: block;
  margin-bottom: 0.35rem;
}

#contact-form input,
#contact-form textarea,
#contact-form select {
  border: 2px solid var(--color-border);
  border-radius: 2px;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-text);
  background-color: var(--color-white);
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

#contact-form input:focus,
#contact-form textarea:focus,
#contact-form select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

#contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

#contact-form .form-group {
  margin-bottom: 1.25rem;
}

#contact-form button[type="submit"] {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 2rem;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

#contact-form button[type="submit"]:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 0 16px rgba(0, 180, 216, 0.3);
}

.form-success {
  background-color: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  padding: 2.5rem;
  text-align: center;
}

.form-success h3 {
  color: var(--color-accent);
  border-left: none;
  padding-left: 0;
}

.form-success p {
  color: var(--color-text-light);
}

.form-error {
  color: var(--color-warn);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-top: 0.25rem;
  display: none;
}

.form-error.visible {
  display: block;
}

/* ---------- Contact Info Panel ---------- */
.contact-info {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 2px;
  padding: 2rem;
}

.contact-info h3 {
  color: var(--color-white);
  border-left: 3px solid var(--color-accent);
  padding-left: 0.75rem;
}

.contact-info .info-item {
  margin-bottom: 1.25rem;
}

.contact-info .info-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.2rem;
}

.contact-info .info-value {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-white);
}

.contact-info a {
  color: var(--color-white);
  transition: color var(--transition-speed);
}

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

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-top: 3px solid var(--color-accent);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.site-footer h3,
.site-footer h4 {
  color: var(--color-accent);
  border-left: none;
  padding-left: 0;
}

/* ---------- 404 Page ---------- */
.page-404 {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  background-color: var(--color-primary);
  color: var(--color-white);
}

.page-404::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0, 180, 216, 0.05) 0px,
      rgba(0, 180, 216, 0.05) 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 180, 216, 0.05) 0px,
      rgba(0, 180, 216, 0.05) 1px,
      transparent 1px,
      transparent 40px
    );
  pointer-events: none;
}

.page-404-code {
  font-family: var(--font-mono);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.15;
  position: absolute;
  z-index: 0;
  line-height: 1;
  user-select: none;
}

.gear-animation {
  position: relative;
  z-index: 1;
  width: 120px;
  height: 120px;
  margin-bottom: 2rem;
  animation: gear-spin 8s linear infinite;
}

.gear-animation svg {
  width: 100%;
  height: 100%;
}

@keyframes gear-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.page-404 h1 {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  border-left: none;
  padding-left: 0;
  margin-bottom: 0.5rem;
}

.page-404 p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
  margin-bottom: 2rem;
}

.page-404 .main-cta {
  position: relative;
  z-index: 1;
}

/* ---------- About Page Specifics ---------- */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.credential-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 1rem;
}

.credential-badge .badge-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background-color: var(--color-surface);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.credential-badge .badge-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--color-primary);
}

/* ---------- Section Headers ---------- */
.section-header {
  margin-bottom: 2.5rem;
}

.section-header .section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.5rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-light);
  max-width: 640px;
  line-height: 1.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .hero {
    min-height: 55vh;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .service-cards-grid {
    grid-template-columns: 1fr;
  }

  .section-padding {
    padding: 2.5rem 0;
  }

  .cta-banner {
    padding: 2.5rem 1rem;
  }

  .contact-info {
    padding: 1.5rem;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Scroll Behavior ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* ---------- Selection Styling ---------- */
::selection {
  background-color: rgba(0, 180, 216, 0.25);
  color: var(--color-primary);
}

/* ---------- Focus Visible for Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Print ---------- */
@media print {
  .site-header,
  .site-footer,
  .cta-banner,
  #mobile-menu-toggle {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}