/* ==========================================================
   adanavaillantbayi.com.tr — Site Stilleri
   Vaillant Kurumsal Premium · Beyaz zemin + Yeşil aksan
   ========================================================== */

:root {
  --vaillant-dark: #00806E;
  --vaillant-mid: #1D9E75;
  --vaillant-light: #5DCAA5;
  --vaillant-bg: #E1F5EE;
  --vaillant-bg-soft: #F4FBF8;
  --ink-900: #0F1F1B;
  --ink-700: #1A2E2A;
  --ink-500: #5F5E5A;
  --ink-300: #B8BAB6;
  --ink-100: #E8E9E6;
  --paper: #FFFFFF;
  --warm: #FBF9F4;
  --shadow-sm: 0 1px 2px rgba(15, 31, 27, 0.04), 0 2px 6px rgba(15, 31, 27, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 31, 27, 0.06), 0 12px 32px rgba(15, 31, 27, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 31, 27, 0.10), 0 24px 64px rgba(15, 31, 27, 0.10);
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  color: var(--ink-700);
  background: var(--paper);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  line-height: 1.15;
}

.font-display {
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
}

/* ============ Renk yardımcıları ============ */
.bg-vaillant { background-color: var(--vaillant-dark); }
.bg-vaillant-mid { background-color: var(--vaillant-mid); }
.bg-vaillant-soft { background-color: var(--vaillant-bg); }
.bg-vaillant-pale { background-color: var(--vaillant-bg-soft); }
.bg-ink { background-color: var(--ink-900); }
.bg-warm { background-color: var(--warm); }
.text-vaillant { color: var(--vaillant-dark); }
.text-vaillant-mid { color: var(--vaillant-mid); }
.text-ink { color: var(--ink-900); }
.text-ink-soft { color: var(--ink-500); }
.border-vaillant { border-color: var(--vaillant-dark); }
.border-ink-100 { border-color: var(--ink-100); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--ink-100);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink-900);
}

.brand-mark .brand-logo {
  height: 44px;
  width: auto;
}

.brand-mark .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-mark .brand-name {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.brand-mark .brand-sub {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--vaillant-dark);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 6px;
}

.nav-desktop a {
  color: var(--ink-700);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.18s ease;
}

.nav-desktop a:hover {
  color: var(--vaillant-dark);
  background: var(--vaillant-bg);
}

.nav-desktop a.active {
  color: var(--vaillant-dark);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--vaillant-dark);
  color: white !important;
  padding: 10px 18px !important;
  border-radius: 10px;
  font-weight: 600 !important;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--ink-900) !important;
  transform: translateY(-1px);
}

@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
  .menu-btn { display: none; }
}

.menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--ink-100);
  color: var(--ink-900);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--ink-100);
  padding: 16px 24px 24px;
  background: var(--paper);
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 4px;
  color: var(--ink-700);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--ink-100);
}

.mobile-menu a:last-of-type {
  border-bottom: 0;
}

/* ============ Authorized dealer badge ============ */
.dealer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--vaillant-bg);
  color: var(--vaillant-dark);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.dealer-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--vaillant-dark);
  border-radius: 50%;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 96px 24px 72px;
  background: linear-gradient(180deg, var(--vaillant-bg-soft) 0%, var(--paper) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.1fr 1fr; gap: 80px; }
  .hero { padding: 120px 24px 96px; }
}

.hero-eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vaillant-dark);
  margin-bottom: 16px;
}

.hero-title {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2.4rem, 5.6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ink-900);
  margin-bottom: 20px;
}

.hero-title em {
  font-style: normal;
  color: var(--vaillant-dark);
}

.hero-sub {
  font-size: 1.06rem;
  color: var(--ink-500);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--ink-100);
}

.hero-trust-item .num {
  font-family: 'Manrope', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--vaillant-dark);
  letter-spacing: -0.02em;
  display: block;
}

.hero-trust-item .label {
  font-size: 0.78rem;
  color: var(--ink-500);
  margin-top: 4px;
  line-height: 1.3;
}

.hero-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--vaillant-bg);
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 128, 110, 0.18) 100%);
  pointer-events: none;
}

.hero-vaillant-mark {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  padding: 12px 16px;
  border-radius: 12px;
}

.hero-vaillant-mark img {
  height: 28px;
  width: auto;
}

.hero-vaillant-mark span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}

.hero-vaillant-mark small {
  display: block;
  font-size: 0.7rem;
  color: var(--ink-500);
  font-weight: 500;
  margin-top: 2px;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--vaillant-dark);
  color: white;
}

.btn-primary:hover {
  background: var(--ink-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: white;
  color: var(--ink-900);
  border: 1px solid var(--ink-100);
}

.btn-secondary:hover {
  border-color: var(--vaillant-dark);
  color: var(--vaillant-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--vaillant-dark);
  padding: 10px 0;
}

.btn-ghost:hover {
  gap: 12px;
}

.btn-whatsapp {
  background: #25D366;
  color: white;
}

.btn-whatsapp:hover {
  background: #1DA851;
}

/* ============ Section structure ============ */
.section {
  padding: 80px 24px;
}

.section-tight {
  padding: 64px 24px;
}

.section-wide {
  padding: 112px 24px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
}

.container-tight {
  max-width: 920px;
  margin: 0 auto;
}

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vaillant-dark);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--ink-900);
  margin-bottom: 16px;
  max-width: 720px;
}

.section-sub {
  font-size: 1rem;
  color: var(--ink-500);
  max-width: 640px;
  line-height: 1.65;
}

/* ============ Marka tarihçesi bölümü ============ */
.brand-story {
  background: var(--ink-900);
  color: white;
  padding: 96px 24px;
  border-radius: 24px;
  margin: 0 auto;
  max-width: 1180px;
  position: relative;
  overflow: hidden;
}

.brand-story::before {
  content: "1874";
  position: absolute;
  top: 50%;
  right: -40px;
  transform: translateY(-50%);
  font-family: 'Manrope', sans-serif;
  font-size: 18rem;
  font-weight: 800;
  color: rgba(29, 158, 117, 0.08);
  line-height: 1;
  letter-spacing: -0.05em;
  pointer-events: none;
}

.brand-story h2 {
  color: white;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 24px;
  position: relative;
}

.brand-story p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 680px;
  margin-bottom: 16px;
  position: relative;
}

.brand-story .meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
}

@media (min-width: 768px) {
  .brand-story .meta { grid-template-columns: repeat(4, 1fr); }
}

.brand-story .meta-item .num {
  font-family: 'Manrope', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--vaillant-light);
  letter-spacing: -0.02em;
}

.brand-story .meta-item .label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* ============ Product family cards ============ */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 700px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

.product-card {
  background: white;
  border: 1px solid var(--ink-100);
  border-radius: 18px;
  padding: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--vaillant-mid);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-card-image {
  background: var(--vaillant-bg-soft);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  position: relative;
}

.product-card-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  width: auto;
  height: auto;
}

.product-card-body {
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card .tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--vaillant-bg);
  color: var(--vaillant-dark);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
  align-self: flex-start;
}

.product-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.product-card .desc {
  color: var(--ink-500);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.product-card .specs {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.product-card .spec {
  font-size: 0.78rem;
  color: var(--ink-500);
}

.product-card .spec strong {
  display: block;
  color: var(--ink-900);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.product-card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--vaillant-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  transition: gap 0.2s ease;
}

.product-card .more:hover { gap: 10px; }

/* ============ Bayilik avantajı ============ */
.advantages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 48px;
}

@media (min-width: 700px) {
  .advantages { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .advantages { grid-template-columns: repeat(3, 1fr); }
}

.advantage {
  background: white;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  padding: 28px 24px;
  transition: all 0.25s ease;
}

.advantage:hover {
  border-color: var(--vaillant-mid);
  transform: translateY(-2px);
}

.advantage .icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vaillant-bg);
  border-radius: 10px;
  color: var(--vaillant-dark);
  margin-bottom: 16px;
}

.advantage h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--ink-900);
}

.advantage p {
  font-size: 0.92rem;
  color: var(--ink-500);
  line-height: 1.6;
}

/* ============ 3-step process ============ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
  position: relative;
}

@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; }
}

.step {
  position: relative;
  padding: 32px 24px;
  background: white;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
}

.step-number {
  font-family: 'Manrope', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vaillant-dark);
  margin-bottom: 12px;
}

.step-number::before {
  content: counter(step-counter, decimal-leading-zero);
  display: inline-block;
  margin-right: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink-900);
}

.steps {
  counter-reset: step-counter;
}

.step {
  counter-increment: step-counter;
}

.step h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.95rem;
  color: var(--ink-500);
  line-height: 1.65;
}

/* ============ Service area ============ */
.coverage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
  align-items: center;
}

@media (min-width: 900px) {
  .coverage { grid-template-columns: 1.2fr 1fr; gap: 64px; }
}

.coverage-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.pill {
  padding: 8px 14px;
  background: white;
  border: 1px solid var(--ink-100);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-700);
  transition: all 0.2s ease;
}

.pill:hover {
  border-color: var(--vaillant-dark);
  color: var(--vaillant-dark);
  background: var(--vaillant-bg);
}

.pill.is-primary {
  background: var(--vaillant-dark);
  color: white;
  border-color: var(--vaillant-dark);
}

/* ============ FAQ accordion ============ */
.faq-list {
  margin-top: 48px;
  border-top: 1px solid var(--ink-100);
}

.faq-item {
  border-bottom: 1px solid var(--ink-100);
}

.faq-q {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  text-align: left;
  cursor: pointer;
  font-family: 'Manrope', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}

.faq-q:hover { color: var(--vaillant-dark); }

.faq-q .chev {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
  color: var(--vaillant-dark);
}

.faq-item.is-open .faq-q .chev {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.is-open .faq-a {
  max-height: 600px;
}

.faq-a-inner {
  padding: 0 0 24px;
  color: var(--ink-500);
  line-height: 1.7;
  font-size: 0.96rem;
}

/* ============ Spec table ============ */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
  background: white;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--ink-100);
}

.spec-table th,
.spec-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--ink-100);
  font-size: 0.92rem;
}

.spec-table th {
  background: var(--vaillant-bg-soft);
  font-weight: 600;
  color: var(--ink-900);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.spec-table td:first-child {
  font-weight: 500;
  color: var(--ink-700);
}

.spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table tr:hover td {
  background: var(--vaillant-bg-soft);
}

/* ============ CTA banner ============ */
.cta-banner {
  background: linear-gradient(135deg, var(--vaillant-dark) 0%, var(--ink-900) 100%);
  color: white;
  padding: 64px 32px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 180%;
  background: radial-gradient(circle, rgba(93, 202, 165, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

@media (min-width: 800px) {
  .cta-banner-inner { grid-template-columns: 1.4fr 1fr; gap: 48px; }
}

.cta-banner h2 {
  color: white;
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  margin-bottom: 8px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
  line-height: 1.65;
}

.cta-banner .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-banner .btn-primary {
  background: white;
  color: var(--vaillant-dark);
}

.cta-banner .btn-primary:hover {
  background: var(--vaillant-bg);
  color: var(--ink-900);
}

.cta-banner .btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-banner .btn-secondary:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 24px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 1180px;
  margin: 0 auto;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
}

.footer-brand .logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-brand .logo-row img {
  height: 36px;
}

.footer-brand .logo-row strong {
  color: white;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.65;
  max-width: 360px;
  margin-bottom: 16px;
}

.footer-vaillant-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-vaillant-line img {
  height: 22px;
}

.footer-col h5 {
  color: white;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.footer-col a:hover { color: white; }

.footer-col p {
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 8px;
}

.footer-col p strong {
  color: white;
  font-weight: 500;
}

.footer-bottom {
  max-width: 1180px;
  margin: 32px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  margin-right: 16px;
}

.footer-bottom a:hover { color: white; }

/* ============ WhatsApp FAB ============ */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-fab svg {
  width: 28px;
  height: 28px;
}

/* ============ Form ============ */
.form-card {
  background: white;
  border: 1px solid var(--ink-100);
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (min-width: 600px) {
  .form-row.split { grid-template-columns: 1fr 1fr; }
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ink-100);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink-900);
  background: white;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 0;
  border-color: var(--vaillant-dark);
  box-shadow: 0 0 0 3px var(--vaillant-bg);
}

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

.form-group .hint {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-500);
  margin-top: 6px;
}

.form-status {
  display: none;
  padding: 14px 16px;
  border-radius: 10px;
  margin-top: 16px;
  font-size: 0.92rem;
  font-weight: 500;
}

.form-status.success {
  display: block;
  background: var(--vaillant-bg);
  color: var(--vaillant-dark);
  border: 1px solid var(--vaillant-mid);
}

.form-status.error {
  display: block;
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FCA5A5;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

/* ============ Contact cards ============ */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 700px) {
  .contact-cards { grid-template-columns: repeat(3, 1fr); }
}

.contact-card {
  padding: 28px 24px;
  background: white;
  border: 1px solid var(--ink-100);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.25s ease;
}

.contact-card:hover {
  border-color: var(--vaillant-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-card .icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vaillant-bg);
  border-radius: 10px;
  color: var(--vaillant-dark);
  margin-bottom: 16px;
}

.contact-card .label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 6px;
}

.contact-card .value {
  font-family: 'Manrope', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.contact-card .meta {
  font-size: 0.85rem;
  color: var(--ink-500);
}

/* ============ Body / Article ============ */
.prose {
  max-width: 720px;
  color: var(--ink-700);
  line-height: 1.75;
}

.prose h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  font-size: 1.6rem;
}

.prose h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.prose p {
  margin-bottom: 18px;
}

.prose ul, .prose ol {
  margin-bottom: 20px;
  padding-left: 22px;
}

.prose li {
  margin-bottom: 8px;
}

.prose strong {
  color: var(--ink-900);
  font-weight: 600;
}

.prose a {
  color: var(--vaillant-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose blockquote {
  border-left: 3px solid var(--vaillant-dark);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--ink-700);
  font-style: italic;
}

/* ============ Page hero (interior) ============ */
.page-hero {
  padding: 88px 24px 56px;
  background: linear-gradient(180deg, var(--vaillant-bg-soft) 0%, var(--paper) 100%);
}

.page-hero .container {
  max-width: 920px;
  text-align: left;
}

.page-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--ink-500);
  margin-bottom: 20px;
}

.page-hero .breadcrumbs a {
  color: var(--ink-500);
  text-decoration: none;
}

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

.page-hero .breadcrumbs .sep::before {
  content: "/";
  margin: 0 4px;
  color: var(--ink-300);
}

.page-hero h1 {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  margin-bottom: 14px;
}

.page-hero .lead {
  font-size: 1.08rem;
  color: var(--ink-500);
  max-width: 640px;
  line-height: 1.65;
}

/* ============ Print ============ */
@media print {
  .site-header, .site-footer, .whatsapp-fab { display: none; }
}

/* ============ Utility ============ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.divider {
  height: 1px;
  background: var(--ink-100);
  margin: 80px auto;
  max-width: 1180px;
}

.text-balance {
  text-wrap: balance;
}

.text-pretty {
  text-wrap: pretty;
}