/* ==========================================================================
   Chasefield Electrical Ltd — styles.css
   Generated from style-guide.md
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select, button { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* Design tokens */
:root {
  --color-primary: #0E2A47;
  --color-secondary: #1F3A5F;
  --color-accent: #F2A900;
  --color-accent-dark: #D69600;
  --color-background: #F7F8FA;
  --color-surface: #FFFFFF;
  --color-text: #0D1524;
  --color-text-muted: #5A6676;
  --color-border: #E3E8EE;
  --color-on-primary: #FFFFFF;
  --color-footer-muted: #A7B4C6;

  --font-heading: 'Space Grotesk', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;

  --radius-sm: 6px;
  --radius-md: 8px;

  --shadow-sm: 0 1px 2px rgba(14, 42, 71, 0.06);
  --shadow-md: 0 8px 24px rgba(14, 42, 71, 0.10);
  --shadow-lg: 0 18px 50px rgba(14, 42, 71, 0.18);

  --section-padding-mobile: 56px;
  --section-padding-desktop: 96px;
}

/* Base */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.3125rem; }
@media (min-width: 768px) {
  h1 { font-size: 3.25rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }
}

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }

a { color: var(--color-secondary); transition: color 180ms ease; }
a:hover { color: var(--color-accent-dark); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Layout primitives */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: var(--section-padding-mobile) 0; }
@media (min-width: 768px) { section { padding: var(--section-padding-desktop) 0; } }

.section--tinted { background-color: #EFF2F7; }
.section--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}
.section--primary h1,
.section--primary h2,
.section--primary h3 { color: var(--color-on-primary); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.section--primary .eyebrow { color: var(--color-accent); }

.section-header { max-width: 720px; margin-bottom: 48px; }
.section-header p { color: var(--color-text-muted); font-size: 1.125rem; }

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, background-color 180ms ease,
              color 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text);
  border: 1px solid var(--color-accent);
}
.btn-primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
}
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-2px);
}
.section--primary .btn-secondary {
  color: var(--color-on-primary);
  border-color: var(--color-on-primary);
}
.section--primary .btn-secondary:hover {
  background-color: var(--color-on-primary);
  color: var(--color-primary);
}

/* Navigation */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: 60px;
}
@media (min-width: 768px) { .site-nav { height: 72px; } }

.site-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-nav__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.site-nav__logo span { color: var(--color-accent); }

.site-nav__links {
  display: none;
  gap: 32px;
  margin-left: auto;
  margin-right: 24px;
}
.site-nav__links a {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.site-nav__links a:hover { color: var(--color-primary); }
.site-nav__links a.is-active {
  color: var(--color-text);
}
.site-nav__links a.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background-color: var(--color-accent);
}

.site-nav__cta {
  display: none;
  padding: 10px 18px;
  background-color: var(--color-accent);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
}
.site-nav__cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-text);
}

@media (min-width: 900px) {
  .site-nav__links { display: flex; }
  .site-nav__cta { display: inline-flex; align-items: center; }
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 10px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 220ms ease, opacity 180ms ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-md);
  z-index: 49;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 1.125rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu a:last-child { border-bottom: none; }

@media (min-width: 900px) {
  .nav-toggle, .mobile-menu { display: none !important; }
}

/* Hero */
.hero {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  overflow: hidden;
  padding: 80px 0 96px;
}
@media (min-width: 768px) { .hero { padding: 140px 0 160px; } }

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/hero-cables.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    rgba(14, 42, 71, 0.92) 0%,
    rgba(14, 42, 71, 0.78) 50%,
    rgba(14, 42, 71, 0.55) 100%);
}
.hero .container { position: relative; z-index: 2; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.hero__eyebrow::before {
  content: '';
  width: 32px;
  height: 2px;
  background-color: var(--color-accent);
}

.hero h1 {
  color: var(--color-on-primary);
  max-width: 780px;
  margin-bottom: 20px;
}
.hero p {
  color: #C6D1E1;
  font-size: 1.125rem;
  max-width: 620px;
  margin-bottom: 32px;
}
@media (min-width: 768px) { .hero p { font-size: 1.25rem; } }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__badge {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  background-color: rgba(255,255,255,0.94);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: none;
  align-items: center;
  gap: 10px;
}
@media (min-width: 768px) { .hero__badge { display: inline-flex; } }
.hero__badge img { width: 44px; height: auto; }
.hero__badge span {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 110px;
  line-height: 1.3;
}

/* Page header (non-home pages) */
.page-header {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: 80px 0 72px;
}
@media (min-width: 768px) { .page-header { padding: 120px 0 100px; } }
.page-header h1 { color: var(--color-on-primary); max-width: 820px; margin-bottom: 16px; }
.page-header p {
  color: #C6D1E1;
  font-size: 1.125rem;
  max-width: 700px;
}

/* Differentiators */
.differentiators {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) { .differentiators { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .differentiators { grid-template-columns: repeat(4, 1fr); } }

.differentiator {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}
.differentiator:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.differentiator__number {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.differentiator h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}
.differentiator p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin: 0;
}

/* Service cards grid */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
  scroll-margin-top: 90px;
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.service-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: rgba(14, 42, 71, 0.08);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
}
.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  flex-grow: 1;
}
.service-card__meta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* About teaser / two-column */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) { .two-col { grid-template-columns: 1.05fr 1fr; gap: 80px; } }
.two-col--flip > :first-child { order: 2; }
@media (min-width: 900px) { .two-col--flip > :first-child { order: 1; } }
.two-col img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) { .portfolio-grid { gap: 72px; } }

.portfolio-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}
@media (min-width: 768px) {
  .portfolio-item { grid-template-columns: 1fr 1fr; gap: 56px; }
  .portfolio-item:nth-child(even) > :first-child { order: 2; }
}
.portfolio-item__image {
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: #0a1a2d;
}
.portfolio-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}
.portfolio-item:hover .portfolio-item__image img { transform: scale(1.04); }

.portfolio-item__label {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
  display: block;
}
.portfolio-item h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.portfolio-item p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

/* Credentials strip */
.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
}
.credentials img {
  max-width: 140px;
  height: auto;
  opacity: 0.95;
}

/* Testimonial */
.testimonial {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  max-width: 780px;
  margin: 0 auto;
}
.testimonial blockquote {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.375rem;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 20px;
}
@media (min-width: 768px) { .testimonial blockquote { font-size: 1.625rem; } }
.testimonial cite {
  font-style: normal;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* Clients strip */
.clients-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 40px 64px;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.04em;
}
.clients-strip span {
  padding: 10px 18px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
}

/* CTA band */
.cta-band {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: 64px 0;
  text-align: center;
}
@media (min-width: 768px) { .cta-band { padding: 88px 0; } }
.cta-band h2 {
  color: var(--color-on-primary);
  margin-bottom: 16px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.cta-band p {
  color: #C6D1E1;
  font-size: 1.125rem;
  max-width: 620px;
  margin: 0 auto 32px;
}

/* Services listing (services page) */
.services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 700px) { .services-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-list { grid-template-columns: repeat(3, 1fr); } }

/* About: team */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 768px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
.team-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
}
.team-card h3 { font-size: 1.25rem; margin-bottom: 4px; }
.team-card__role {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}
.team-card p { color: var(--color-text-muted); margin: 0; }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 72px; } }

.contact-details h3 {
  font-size: 0.8125rem;
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.contact-details__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-details__item:first-child { padding-top: 0; }
.contact-details__item p {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
}
.contact-details__item a { color: var(--color-text); }
.contact-details__item a:hover { color: var(--color-accent-dark); }
.contact-details__item span {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 400;
  margin-top: 4px;
}

/* Forms */
.contact-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
}
@media (min-width: 768px) { .contact-form { padding: 40px 36px; } }

.form-field {
  margin-bottom: 20px;
}
.form-field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.9375rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}
.form-field textarea {
  resize: vertical;
  min-height: 140px;
  font-family: var(--font-body);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  background-color: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(242, 169, 0, 0.25);
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.success-message,
.error-message {
  display: none;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-weight: 500;
}
.success-message {
  background-color: #E8F1EA;
  border: 1px solid #8FB89A;
  color: #1E4228;
}
.error-message {
  background-color: #F8E9D4;
  border: 1px solid #D69600;
  color: #5B3C00;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #C6D1E1;
  padding: 72px 0 28px;
}
.site-footer__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (min-width: 768px) {
  .site-footer__columns { grid-template-columns: 1.2fr 1fr 1fr; gap: 56px; }
}
.site-footer__brand {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-on-primary);
  margin-bottom: 12px;
  display: inline-block;
}
.site-footer__brand span { color: var(--color-accent); }
.site-footer p { color: #C6D1E1; font-size: 0.9375rem; }
.site-footer h3 {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-on-primary);
  margin-bottom: 18px;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a {
  color: #C6D1E1;
  font-size: 0.9375rem;
  transition: color 180ms ease;
}
.site-footer ul li a:hover { color: var(--color-accent); }
.site-footer__niceic {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 12px;
  background-color: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.site-footer__small {
  padding-top: 28px;
  font-size: 0.8125rem;
  color: var(--color-footer-muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

/* Utility */
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }