/* RG Elektrotechnologie — Stylesheet
   Refined editorial aesthetic: serif headlines, generous whitespace, single accent */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600;9..144,700&family=Inter+Tight:wght@300;400;500;600;700&display=swap');

:root {
  --ink: #14181f;
  --ink-soft: #2a313c;
  --paper: #f6f2ea;
  --paper-bright: #fbf8f2;
  --rule: #d9d2c4;
  --muted: #6b6558;
  --accent: #c8531e;
  --accent-soft: #e8d8c8;
  --max: 1280px;
  --serif: 'Fraunces', 'Times New Roman', serif;
  --sans: 'Inter Tight', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
}

h1 { font-size: clamp(2.6rem, 6vw, 5.4rem); font-weight: 300; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 300; }
h3 { font-size: clamp(1.4rem, 2vw, 1.8rem); font-weight: 400; }
h4 { font-size: 1.15rem; font-weight: 500; font-family: var(--sans); letter-spacing: 0.02em; }

p { color: var(--ink-soft); }

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ───── HEADER ───── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 242, 234, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  background: var(--ink);
  border-radius: 50%;
  position: relative;
}

.brand-mark::after {
  content: '';
  position: absolute;
  inset: 6px;
  background: var(--accent);
  border-radius: 50%;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2.2rem;
  align-items: center;
}

nav.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  padding: 0.3rem 0;
}

nav.main-nav a.active {
  color: var(--accent);
}

nav.main-nav a:not(.cta-btn)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}

nav.main-nav a:not(.cta-btn):hover::after,
nav.main-nav a.active::after {
  width: 100%;
}

.cta-btn {
  background: var(--ink);
  color: var(--paper-bright) !important;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  display: inline-block;
  transition: background 0.2s ease, transform 0.2s ease;
}

.cta-btn:hover {
  background: var(--accent);
  color: var(--paper-bright) !important;
  transform: translateY(-1px);
}

.cta-btn.large {
  padding: 1rem 2rem;
  font-size: 0.95rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ink);
}

/* ───── HERO ───── */
.hero {
  padding: 7rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.4rem;
}

.hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

.hero-lead {
  font-size: 1.18rem;
  margin: 1.8rem 0 2.4rem;
  max-width: 540px;
  color: var(--ink-soft);
  line-height: 1.55;
}

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

.text-link {
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.text-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hero-card {
  background: var(--ink);
  color: var(--paper-bright);
  padding: 2.6rem 2.2rem;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 140px;
  height: 140px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.95;
}

.hero-card-label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-card h3 {
  color: var(--paper-bright);
  font-size: 1.8rem;
  font-weight: 400;
  font-style: italic;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.hero-card ul {
  list-style: none;
  position: relative;
  z-index: 1;
}

.hero-card ul li {
  font-size: 0.95rem;
  padding: 0.7rem 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.hero-card ul li::before {
  content: '→';
  color: var(--accent);
}

/* ───── SECTIONS ───── */
section {
  padding: 6rem 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.6rem;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent);
}

.section-head {
  max-width: 700px;
  margin-bottom: 4rem;
}

.section-head p {
  margin-top: 1.4rem;
  font-size: 1.1rem;
}

/* ───── SERVICE CARDS ───── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.service-card {
  background: var(--paper);
  padding: 2.5rem 2.2rem;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease;
  position: relative;
  text-decoration: none;
  color: inherit;
}

.service-card:hover {
  background: var(--paper-bright);
  color: var(--ink);
}

.service-num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  font-style: italic;
}

.service-card h3 {
  margin-bottom: 0.8rem;
  font-style: italic;
  font-weight: 400;
}

.service-card p {
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 1.6rem;
}

.service-card .arrow {
  font-size: 1.4rem;
  color: var(--accent);
  align-self: flex-end;
  transition: transform 0.3s ease;
}

.service-card:hover .arrow {
  transform: translateX(6px);
}

/* ───── PROCESS / NUMBERED LIST ───── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.process-item .num {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 300;
  color: var(--accent);
  margin-bottom: 1rem;
  font-style: italic;
  line-height: 1;
}

.process-item h4 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.7rem;
}

.process-item p {
  font-size: 0.92rem;
}

/* ───── VALUES (alt section) ───── */
.values-section {
  background: var(--ink);
  color: var(--paper);
}

.values-section h2,
.values-section h3,
.values-section h4 {
  color: var(--paper-bright);
}

.values-section p {
  color: rgba(246, 242, 234, 0.75);
}

.values-section .section-label {
  color: rgba(246, 242, 234, 0.6);
}

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

.value-item h3 {
  font-style: italic;
  margin-bottom: 1rem;
}

/* ───── CTA STRIP ───── */
.cta-strip {
  background: var(--paper-bright);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.cta-strip-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3rem;
}

.cta-strip h2 {
  max-width: 600px;
  font-style: italic;
}

/* ───── FOOTER ───── */
.site-footer {
  background: var(--ink);
  color: rgba(246, 242, 234, 0.8);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--paper-bright);
  margin-bottom: 1rem;
}

.footer-grid h4 {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-bright);
  margin-bottom: 1.4rem;
  font-weight: 500;
}

.footer-grid ul {
  list-style: none;
}

.footer-grid ul li {
  margin-bottom: 0.6rem;
  font-size: 0.92rem;
}

.footer-grid a {
  color: rgba(246, 242, 234, 0.7);
}

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

.footer-grid address {
  font-style: normal;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(246, 242, 234, 0.7);
}

.footer-legal {
  border-top: 1px solid rgba(246, 242, 234, 0.12);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(246, 242, 234, 0.5);
}

.company-meta {
  background: rgba(255,255,255,0.04);
  padding: 1.6rem;
  border-left: 2px solid var(--accent);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-top: 1rem;
  border-radius: 2px;
}

.company-meta strong {
  color: var(--paper-bright);
  font-weight: 500;
}

/* ───── ARTICLE PAGES (Legal, Service detail) ───── */
.page-hero {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--rule);
}

.page-hero .container-narrow {
  text-align: left;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  margin-bottom: 1.2rem;
}

.page-hero .breadcrumbs {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.page-hero .breadcrumbs a {
  color: var(--muted);
}

.page-hero .breadcrumbs a:hover {
  color: var(--accent);
}

.article {
  padding: 4rem 0 6rem;
}

.article h2 {
  font-size: 1.8rem;
  margin: 3rem 0 1.2rem;
  font-weight: 400;
}

.article h3 {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2rem 0 0.8rem;
}

.article p {
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
  line-height: 1.7;
}

.article ul, .article ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article li {
  margin-bottom: 0.5rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.article a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
}

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

.article .updated {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 2rem;
  font-style: italic;
}

/* ───── FORM ───── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
  font-style: italic;
}

.contact-info p {
  margin-bottom: 2rem;
}

.contact-detail {
  margin-bottom: 1.8rem;
}

.contact-detail .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.4rem;
  display: block;
}

.contact-detail .value {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
}

.contact-form {
  background: var(--paper-bright);
  padding: 3rem 2.5rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.form-group label .req {
  color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 0.85rem 1rem;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  border-radius: 2px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: var(--paper-bright);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin: 1.6rem 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.form-checkbox input {
  margin-top: 0.2rem;
  width: auto;
  accent-color: var(--accent);
}

.form-submit {
  background: var(--ink);
  color: var(--paper-bright);
  border: none;
  padding: 1rem 2.2rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.2s ease, transform 0.2s ease;
  width: 100%;
}

.form-submit:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.form-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 1rem;
  text-align: center;
}

#form-success {
  display: none;
  background: #e8f4e8;
  border: 1px solid #b3d6b3;
  padding: 1.2rem;
  border-radius: 4px;
  color: #2e5d2e;
  font-size: 0.95rem;
  margin-top: 1rem;
}

/* ───── PRICING / PACKAGE TABLE ───── */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.approach-card {
  background: var(--paper);
  padding: 2.5rem 2rem;
}

.approach-card h3 {
  font-style: italic;
  margin-bottom: 1rem;
}

.approach-card p {
  font-size: 0.92rem;
}

.approach-card .icon {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 1rem;
  font-weight: 300;
}

/* ───── CAMPAIGN TYPES (services page) ───── */
.campaign {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  padding: 4rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

.campaign:last-child {
  border-bottom: none;
}

.campaign-meta .num {
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 0.8rem;
}

.campaign-meta h2 {
  font-size: 2rem;
  font-style: italic;
  margin-bottom: 1rem;
}

.campaign-content h4 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  margin: 1.6rem 0 0.5rem;
  color: var(--ink);
}

.campaign-content h4:first-child {
  margin-top: 0;
}

.campaign-content p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.7;
}

.campaign-content ul {
  list-style: none;
  margin-top: 0.5rem;
}

.campaign-content ul li {
  padding: 0.4rem 0 0.4rem 1.5rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.campaign-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ───── RESPONSIVE ───── */
@media (max-width: 900px) {
  .hero {
    padding: 4rem 0 4rem;
  }
  .hero-inner,
  .footer-grid,
  .contact-wrap,
  .campaign {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .service-grid,
  .process-grid,
  .values-grid,
  .approach-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .cta-strip-inner {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  section {
    padding: 4rem 0;
  }
  nav.main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 1.5rem 2rem;
  }
  nav.main-nav.open {
    display: block;
  }
  nav.main-nav ul {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
  .menu-toggle {
    display: block;
  }
  .container, .container-narrow {
    padding: 0 1.4rem;
  }
  .header-inner {
    padding: 1rem 1.4rem;
  }
}

/* ───── COOKIE BANNER ───── */
#cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  max-width: 560px;
  margin: 0 auto;
  background: var(--ink);
  color: var(--paper-bright);
  padding: 1.6rem 1.8rem;
  border-radius: 4px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.18);
  z-index: 1000;
  font-size: 0.9rem;
  display: none;
}

#cookie-banner p {
  color: rgba(246, 242, 234, 0.85);
  margin-bottom: 1rem;
  line-height: 1.5;
}

#cookie-banner a {
  color: var(--accent-soft);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.cookie-actions button {
  flex: 1;
  min-width: 110px;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 0.85rem;
  cursor: pointer;
  border: none;
  font-weight: 500;
}

#cookie-accept {
  background: var(--accent);
  color: var(--paper-bright);
}

#cookie-decline {
  background: transparent;
  color: var(--paper-bright);
  border: 1px solid rgba(246, 242, 234, 0.3);
}

/* Subtle entrance for hero text */
.hero h1, .hero-lead, .hero-actions, .hero-eyebrow {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.7s ease forwards;
}
.hero-eyebrow { animation-delay: 0.05s; }
.hero h1 { animation-delay: 0.15s; }
.hero-lead { animation-delay: 0.3s; }
.hero-actions { animation-delay: 0.45s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}