/* ==========================================================================
   Pinnacle Web Solutions — V6 Hybrid
   V3 Minimal foundation + V2 service cards + V5 contact page
   DM Sans | Near-monochrome + Muted Copper
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  --color-primary: #1A1A1A;
  --color-secondary: #6B6B6B;
  --color-accent: #8E5A30;
  --color-accent-hover: #7A4D28;
  --color-bg: #FAFAF8;
  --color-surface: #F5F3EF;
  --color-text: #1A1A1A;
  --color-text-light: #6B6B6B;
  --color-border: #DDDBD7;
  --color-divider: #E0DED9;
  --color-white: #FFFFFF;

  --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --max-width: 1080px;
  --section-spacing: 6rem;
  --border-radius: 6px;
  --border-radius-sm: 4px;

  --shadow-card: 0 2px 8px rgba(26, 26, 26, 0.06), 0 1px 3px rgba(26, 26, 26, 0.04);
  --shadow-card-hover: 0 4px 16px rgba(26, 26, 26, 0.1), 0 2px 6px rgba(26, 26, 26, 0.06);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-main);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

/* --- Focus (WCAG) --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  z-index: 1000;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 1rem;
}

/* --- Utility --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   HEADER & NAV
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
  z-index: 100;
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--color-secondary);
}

.logo-mark {
  font-size: 0.75rem;
  color: var(--color-accent);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  padding: 0.5rem 0.875rem;
  border-radius: var(--border-radius-sm);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-cta {
  color: var(--color-accent) !important;
  border: 1px solid var(--color-accent);
  margin-left: 0.5rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-white) !important;
}

.nav-cta.active {
  background: var(--color-accent);
  color: var(--color-white) !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-block;
  font-family: var(--font-main);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  border-radius: var(--border-radius);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.8rem 2rem;
  background: transparent;
}

.btn-primary:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-secondary {
  color: var(--color-secondary);
  padding: 0.8rem 1.5rem;
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-secondary:hover {
  color: var(--color-primary);
}

/* Light variant for dark backgrounds */
.btn-light {
  border: 1px solid var(--color-white);
  color: var(--color-white);
  padding: 0.8rem 2rem;
  background: transparent;
}

.btn-light:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* ==========================================================================
   HOME — HERO
   ========================================================================== */

.hero {
  padding: 7rem 0 6rem;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.75rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.875rem);
  font-weight: 300;
  line-height: 1.3;
  max-width: 38ch;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-secondary);
  max-width: 52ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ==========================================================================
   HOME — SERVICES (V2-style cards in V3 palette)
   ========================================================================== */

.services {
  padding: var(--section-spacing) 0;
  border-top: 1px solid var(--color-divider);
}

.services h2 {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.service-icon {
  color: var(--color-secondary);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.service-card p {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ==========================================================================
   HOME — ABOUT
   ========================================================================== */

.about {
  padding: var(--section-spacing) 0;
  border-top: 1px solid var(--color-divider);
}

.about h2 {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
}

.about-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 4rem;
  align-items: start;
}

.headshot {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
}

.about-name {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.125rem;
}

.about-title {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.about-content p {
  margin-bottom: 1.125rem;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   HOME — TECH
   ========================================================================== */

.tech-stack {
  padding: var(--section-spacing) 0;
  border-top: 1px solid var(--color-divider);
}

.tech-stack h2 {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  margin-bottom: 2rem;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  list-style: none;
}

.tech-list li {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tech-list li::before {
  content: '·';
  margin-right: 0.25rem;
  color: var(--color-border);
}

.tech-list li:first-child::before {
  content: '';
  margin-right: 0;
}

/* ==========================================================================
   HOME — CTA BANNER
   ========================================================================== */

.cta-banner {
  padding: 4rem 0;
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 44ch;
  margin: 0 auto 2rem;
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */

.page-hero {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--color-divider);
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 300;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.page-hero-sub {
  font-size: 1.0625rem;
  color: var(--color-secondary);
  max-width: 48ch;
}

.contact-body {
  padding: var(--section-spacing) 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

/* Contact Info (left column) */
.contact-info h2 {
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.contact-info > p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  max-width: 40ch;
}

.contact-email-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  transition: background-color 0.2s ease;
}

.contact-email-link:hover {
  background: var(--color-border);
  color: var(--color-accent-hover);
}

.contact-details {
  margin-bottom: 1.5rem;
}

.contact-details h3 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.contact-details ul,
.contact-details ol {
  padding-left: 1.25rem;
}

.contact-details li {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  padding: 0.25rem 0;
}

/* Contact Form (right column) */
.contact-form-wrapper h2 {
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.375rem;
}

.optional {
  font-weight: 400;
  color: var(--color-text-light);
}

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: -1px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
}

.form-note {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--color-text-light);
  font-style: italic;
}

.form-note a {
  color: var(--color-accent);
}

.form-status {
  margin-top: 1rem;
  font-size: 0.875rem;
  min-height: 1.5em;
}

.form-status-success {
  color: #2e7d32;
}

.form-status-error {
  color: #c62828;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: 2rem 0;
  font-size: 0.8125rem;
  color: var(--color-secondary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

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

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-spacing: 4rem;
  }

  /* Mobile nav */
  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    flex-direction: column;
    padding: 0.5rem 1.5rem 1rem;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  }

  .nav-list.nav-open {
    display: flex;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-divider);
    border-radius: 0;
  }

  .nav-list li:last-child .nav-link {
    border-bottom: none;
  }

  .nav-cta {
    text-align: center;
    margin-left: 0;
    margin-top: 0.5rem;
    border-radius: var(--border-radius-sm);
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    justify-items: center;
  }

  .about-content {
    text-align: left;
  }

  .headshot {
    width: 160px;
    height: 160px;
  }

  /* Contact */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* Hero */
  .hero {
    padding: 5rem 0 4rem;
  }

  .page-hero {
    padding: 3.5rem 0 2.5rem;
  }

  /* CTA */
  .cta-banner {
    padding: 3rem 0;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --section-spacing: 3rem;
  }

  .container {
    padding: 0 1rem;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero h1 {
    font-size: 1.625rem;
  }

  .headshot {
    width: 130px;
    height: 130px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .service-card {
    padding: 1.5rem;
  }
}