/* =====================================================
   Group Solar Ireland — styles.css
   Plain CSS, no framework, no build step.
   ===================================================== */

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

:root {
  --colour-green-dark:  #0d3d2b;
  --colour-green-mid:   #1a5c40;
  --colour-green-light: #e8f5ee;
  --colour-yellow:      #F5C400;
  --colour-yellow-dark: #d4a900;
  --colour-text:        #1a1a1a;
  --colour-text-muted:  #4a5568;
  --colour-white:       #ffffff;
  --colour-grey-light:  #eef3f0;
  --colour-border:      #d1d9e0;

  --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.12);

  --max-width:  1120px;
  --section-gap: 5rem;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--colour-text);
  background: var(--colour-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--colour-yellow);
  color: #1a1a1a;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  z-index: 9999;
  transition: top 0.15s ease;
}

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

/* ---------- Scroll offset for sticky header ---------- */
section[id] {
  scroll-margin-top: 90px;
}

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

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--colour-green-dark);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--colour-text-muted);
  margin-bottom: 3rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.12s ease, box-shadow 0.18s ease;
  border: 2px solid transparent;
  line-height: 1;
}

.btn-primary {
  background: var(--colour-yellow);
  color: #1a1a1a; /* dark text for accessible contrast on yellow */
  border-color: var(--colour-yellow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--colour-yellow-dark);
  border-color: var(--colour-yellow-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--colour-green-dark);
  border-color: var(--colour-green-dark);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--colour-green-dark);
  color: var(--colour-white);
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid var(--colour-yellow);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--colour-white);
  border-bottom: 1px solid var(--colour-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--colour-green-dark);
  letter-spacing: -0.01em;
}

.logo-ie {
  color: var(--colour-green-mid);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--colour-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--colour-green-dark);
}

.site-nav .nav-cta {
  background: var(--colour-yellow);
  color: #1a1a1a;
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background 0.18s ease, transform 0.12s ease;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--colour-yellow-dark);
  color: #1a1a1a;
  transform: translateY(-1px);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--colour-green-dark) 0%, var(--colour-green-mid) 100%);
  color: var(--colour-white);
  padding: 5rem 0 4rem;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--colour-yellow);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--colour-white);
}

.hero-subhead {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.82);
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}

.hero-actions .btn-ghost {
  color: var(--colour-white);
  border-color: rgba(255,255,255,0.5);
}

.hero-actions .btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  color: var(--colour-white);
  border-color: var(--colour-white);
}

.hero-reassurance {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

.hero-subbrand {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  margin-top: -0.5rem;
  margin-bottom: 1.25rem;
}

.hero-subbrand a {
  color: rgba(255,255,255,0.65);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hero-subbrand a:hover {
  color: var(--colour-yellow);
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 6px;
  width: 280px;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  transform: perspective(600px) rotateY(-8deg) rotateX(4deg);
  box-shadow: var(--shadow-lg);
}

.panel {
  background: linear-gradient(135deg, #1a6b5a 0%, #237d6c 50%, #1a6b5a 100%);
  border-radius: 3px;
  position: relative;
  outline: 1px solid rgba(255,255,255,0.09);
}

.panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 0px,
    rgba(255,255,255,0.04) 1px,
    transparent 1px,
    transparent 33%
  ),
  repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.04) 0px,
    rgba(255,255,255,0.04) 1px,
    transparent 1px,
    transparent 33%
  );
}

.p2, .p5 { background: linear-gradient(135deg, #165e50 0%, #1d7060 60%, #165e50 100%); }
.p3, .p6 { background: linear-gradient(135deg, #114840 0%, #1a6b5a 60%, #114840 100%); }

.stat-bubble {
  position: absolute;
  bottom: -1rem;
  right: -0.5rem;
  background: var(--colour-yellow);
  color: #1a1a1a;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.125rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  line-height: 1.2;
}

.stat-label-main {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #3a3000;
  line-height: 1.4;
  text-align: center;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--colour-green-light);
  border-bottom: 1px solid #c8e6d8;
  padding: 1.25rem 0;
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem 1.5rem;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--colour-green-dark);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--colour-green-mid);
  flex-shrink: 0;
}

/* ---------- How It Works ---------- */
.how-it-works {
  padding: var(--section-gap) 0;
  background: var(--colour-white);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: steps;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--colour-yellow);
  color: #1a1a1a;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(245,196,0,0.35);
}

.step-body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--colour-green-dark);
  margin-bottom: 0.4rem;
}

.step-body p {
  font-size: 0.9375rem;
  color: var(--colour-text-muted);
  line-height: 1.6;
}

/* ---------- Why Group ---------- */
.why-group {
  padding: var(--section-gap) 0;
  background: var(--colour-grey-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.benefit-card {
  background: var(--colour-white);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.benefit-icon {
  width: 44px;
  height: 44px;
  background: var(--colour-green-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.benefit-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--colour-green-mid);
}

.benefit-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--colour-green-dark);
  margin-bottom: 0.375rem;
}

.benefit-card p {
  font-size: 0.9375rem;
  color: var(--colour-text-muted);
  line-height: 1.6;
}

/* ---------- Register Section ---------- */
.register-section {
  padding: var(--section-gap) 0;
  background: linear-gradient(135deg, var(--colour-green-dark) 0%, var(--colour-green-mid) 100%);
  color: var(--colour-white);
}

.register-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3.5rem;
  align-items: start;
}

.register-intro h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--colour-white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.register-intro > p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.register-reasons {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.register-reasons li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

.register-reasons li svg {
  width: 18px;
  height: 18px;
  stroke: var(--colour-yellow);
  flex-shrink: 0;
}

.register-form-wrap {
  background: var(--colour-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.register-form-wrap iframe {
  display: block;
  width: 100%;
  min-height: 400px;
  border: none;
}

/* ---------- Form placeholder (replaces Tally iframe during testing) ---------- */
.form-placeholder {
  padding: 2.5rem 1.5rem;
  text-align: center;
  border: 2px dashed var(--colour-border);
  border-radius: var(--radius-sm);
}

.form-placeholder p {
  font-size: 1rem;
  color: var(--colour-text-muted);
  line-height: 1.6;
}

.form-placeholder a {
  color: var(--colour-green-mid);
  text-decoration: underline;
  font-weight: 500;
}

.form-placeholder a:hover {
  color: var(--colour-green-dark);
}

.form-privacy {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--colour-text-muted);
  line-height: 1.6;
}

.form-privacy a {
  color: var(--colour-green-mid);
  text-decoration: underline;
}

.form-privacy a:hover {
  color: var(--colour-green-dark);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--colour-green-dark);
  color: rgba(255,255,255,0.75);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-brand .logo-text {
  color: var(--colour-white);
}

.footer-brand .logo-ie {
  color: var(--colour-yellow);
}

.footer-tagline {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  align-items: center;
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--colour-white);
}

.footer-legal {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

/* ---------- About ---------- */
.about-section {
  padding: var(--section-gap) 0;
  background: var(--colour-white);
}

.about-inner {
  max-width: 720px;
}

.about-body p {
  font-size: 1rem;
  color: var(--colour-text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

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

.about-body a {
  color: var(--colour-green-mid);
  text-decoration: underline;
}

.about-body a:hover {
  color: var(--colour-green-dark);
}

/* ---------- FAQ ---------- */
.faq-section {
  padding: var(--section-gap) 0;
  background: var(--colour-grey-light);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 760px;
}

.faq-item {
  background: var(--colour-white);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
}

.faq-item dt {
  font-size: 1rem;
  font-weight: 700;
  color: var(--colour-green-dark);
  margin-bottom: 0.5rem;
}

.faq-item dd {
  font-size: 0.9375rem;
  color: var(--colour-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---------- Privacy ---------- */
.privacy-section {
  padding: var(--section-gap) 0;
  background: var(--colour-white);
  border-top: 1px solid var(--colour-border);
}

.privacy-inner {
  max-width: 720px;
}

.privacy-body p {
  font-size: 0.9375rem;
  color: var(--colour-text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.privacy-body p:last-child {
  margin-bottom: 0;
}

.privacy-body strong {
  color: var(--colour-text);
}

.privacy-body a {
  color: var(--colour-green-mid);
  text-decoration: underline;
}

.privacy-body a:hover {
  color: var(--colour-green-dark);
}

.privacy-updated {
  font-size: 0.8125rem !important;
  color: var(--colour-text-muted);
  opacity: 0.7;
}

/* ---------- Final CTA ---------- */
.final-cta-section {
  padding: var(--section-gap) 0;
  background: var(--colour-green-light);
  text-align: center;
  border-top: 1px solid #c8e6d8;
  border-bottom: 1px solid #c8e6d8;
}

.final-cta-inner {
  max-width: 640px;
}

.final-cta-inner h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--colour-green-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.015em;
}

.final-cta-inner p {
  color: var(--colour-text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

/* ---------- Footer legal links ---------- */
.footer-legal a {
  color: rgba(255,255,255,0.6);
  text-decoration: underline;
  transition: color 0.15s;
}

.footer-legal a:hover {
  color: var(--colour-white);
}

.footer-tagline a {
  color: rgba(255,255,255,0.65);
  text-decoration: underline;
  transition: color 0.15s;
}

.footer-tagline a:hover {
  color: var(--colour-yellow);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .register-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  :root {
    --section-gap: 3.5rem;
  }

  .site-nav .nav-cta { display: none; }

  .site-nav {
    gap: 1.25rem;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }

  .site-nav .nav-cta {
    display: inline-flex;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .trust-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 1rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1.5rem;
  }
}