/* ==========================================================================
   VALLI AG STRASSENBAU – REDESIGN PROTOTYPE STYLESHEET
   Design System: Modern Swiss Construction & Civil Engineering
   Palette: Asphalt Dark, Valli Red, Construction Amber, Clean Concrete
   ========================================================================== */

:root {
  --color-primary: #062266;
  --color-primary-dark: #03143E;
  --color-valli-blue: #062266;
  --color-valli-blue-dark: #03143E;
  --color-valli-blue-light: #0C3499;
  --color-valli-blue-soft: rgba(6, 34, 102, 0.08);
  --color-asphalt: #091326;
  --color-asphalt-light: #162444;
  --color-valli-red: #CC0B0F;
  --color-valli-red-hover: #AA090D;
  --color-valli-red-soft: rgba(204, 11, 15, 0.08);
  --color-amber: #D97706;
  --color-amber-soft: rgba(217, 119, 6, 0.12);
  --color-bg-base: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-dark: #CBD5E1;
  --color-text-main: #062266;
  --color-text-body: #334155;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-success: #16A34A;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace, monospace;
  --shadow-sm: 0 1px 2px 0 rgba(6, 34, 102, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(6, 34, 102, 0.08), 0 2px 4px -2px rgba(6, 34, 102, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(6, 34, 102, 0.1), 0 4px 6px -4px rgba(6, 34, 102, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(6, 34, 102, 0.12), 0 8px 10px -6px rgba(6, 34, 102, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Typography & Base Helpers ── */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-red {
  background-color: var(--color-valli-red-soft);
  color: var(--color-valli-red);
  border: 1px solid rgba(204, 11, 15, 0.2);
}

.badge-amber {
  background-color: var(--color-amber-soft);
  color: var(--color-amber);
  border: 1px solid rgba(217, 119, 6, 0.25);
}

.badge-dark {
  background-color: var(--color-asphalt);
  color: #FFFFFF;
}

/* ── Top Utility Bar ── */
.top-bar {
  background-color: var(--color-asphalt);
  color: #E2E8F0;
  font-size: 0.8rem;
  padding: 0.45rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #CBD5E1;
  font-weight: 500;
}

.top-bar-link:hover {
  color: #FFFFFF;
}

.top-bar-link strong {
  color: #FFFFFF;
  font-weight: 700;
}

.top-bar-motto {
  color: var(--color-amber);
  font-weight: 600;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .top-bar-motto, .top-bar-hide-mobile {
    display: none;
  }
}

/* ── Main Navigation ── */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 20px -2px rgba(6, 34, 102, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
  margin-right: 2rem;
  flex-shrink: 0;
  width: 220px;
}

.brand-logo-vector {
  width: 220px;
  height: 38px;
  display: block;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-logo:hover .brand-logo-vector {
  transform: scale(1.02);
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-body);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-valli-red);
  background-color: var(--color-valli-red-soft);
}

.nav-link.active {
  color: var(--color-valli-red);
  background-color: var(--color-valli-red-soft);
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-valli-red);
  color: #FFFFFF;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(204, 11, 15, 0.25);
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: var(--color-valli-red-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(204, 11, 15, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  color: var(--color-text-main);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid var(--color-border-dark);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: var(--color-bg-base);
  border-color: var(--color-text-muted);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text-main);
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 1080px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
}

/* ── Mobile Navigation Drawer ── */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  padding: 1.5rem;
  z-index: 49;
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  border-radius: var(--radius-md);
}

.mobile-nav-link.active {
  background: var(--color-valli-red-soft);
  color: var(--color-valli-red);
}

/* ── Hero Section (High-Taste Swiss International) ── */
.hero {
  position: relative;
  background-color: #070D1A;
  background-image: 
    linear-gradient(90deg, #070D1A 0%, rgba(7, 13, 26, 0.95) 45%, rgba(7, 13, 26, 0.75) 75%, rgba(7, 13, 26, 0.4) 100%),
    url('assets/img/valli-dienstleistungen-header.jpg');
  background-position: center right;
  background-size: cover;
  background-repeat: no-repeat;
  color: #FFFFFF;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
  border-bottom: 4px solid var(--color-valli-red);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 40%, rgba(204, 11, 15, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #94A3B8;
  margin-bottom: 1.25rem;
}

.hero-eyebrow-pill {
  background: rgba(239, 68, 68, 0.18);
  color: #F87171;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.hero-eyebrow-divider {
  color: #475569;
}

.hero-eyebrow-cert {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #F59E0B;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 900;
  margin: 0 0 1.25rem;
}

.hero-title-white {
  color: #FFFFFF !important;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.7);
}

.hero-title-red {
  color: #EF4444 !important;
  text-shadow: 0 4px 24px rgba(239, 68, 68, 0.35);
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: #E2E8F0 !important;
  margin-bottom: 2rem;
  max-width: 560px;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

.btn-hero-lg {
  padding: 0.85rem 1.65rem;
  font-size: 1rem;
}

.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  padding: 0.85rem 1.45rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
}

.btn-hero-ghost:hover {
  background-color: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-1px);
}

.btn-hero-ghost:active {
  transform: translateY(1px) scale(0.98);
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.stat-box {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.85rem;
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1;
  font-family: var(--font-mono);
}

.stat-num span {
  color: #EF4444;
}

.stat-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  color: #94A3B8;
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Luxury Swiss Measuring Instrument: Quick Calculator Widget ── */
.hero-calc-instrument {
  background: rgba(11, 18, 32, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.instrument-header {
  margin-bottom: 1.5rem;
}

.instrument-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #F59E0B;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  margin-bottom: 0.65rem;
}

.pulsing-radar {
  width: 7px;
  height: 7px;
  background-color: #F59E0B;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
  animation: pulseRadar 1.8s infinite;
}

@keyframes pulseRadar {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.instrument-header h3 {
  color: #FFFFFF !important;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.instrument-header p {
  color: #94A3B8;
  font-size: 0.85rem;
  line-height: 1.45;
}

.instrument-body {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.calc-step-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.instrument-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: #CBD5E1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Segmented Control Buttons */
.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem;
  background: rgba(15, 23, 42, 0.85);
  padding: 0.35rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.segment-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.65rem 0.4rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #94A3B8;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}

.segment-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}

.segment-btn.active {
  background: #CC0B0F;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(204, 11, 15, 0.35);
}

.segment-btn:active {
  transform: scale(0.97);
}

/* Precision Slider */
.slider-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.slider-val-readout {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1;
}

.slider-val-readout .unit {
  font-size: 0.95rem;
  color: #EF4444;
  margin-left: 2px;
}

.slider-track-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.precision-range {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.precision-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #CC0B0F;
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.precision-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.precision-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #CC0B0F;
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

.range-milestones {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #64748B;
}

/* Price Gauge Box */
.price-gauge-box {
  background: linear-gradient(135deg, rgba(204, 11, 15, 0.18) 0%, rgba(6, 34, 102, 0.3) 100%);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: 12px;
  padding: 1.15rem 1.35rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.gauge-caption {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #CBD5E1;
  display: block;
}

.gauge-value {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.15;
  margin: 0.2rem 0;
}

.gauge-sub {
  font-size: 0.76rem;
  color: #94A3B8;
}

.btn-gauge-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #CC0B0F;
  color: #FFFFFF;
  padding: 0.65rem 1.05rem;
  border-radius: 8px;
  border: none;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(204, 11, 15, 0.3);
  transition: var(--transition);
}

.btn-gauge-action:hover {
  background: #AA090D;
  transform: translateY(-1px);
}

.btn-gauge-action:active {
  transform: translateY(1px) scale(0.98);
}

.instrument-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  color: #CBD5E1;
}

/* ── Trust & Quality Rail (Under Hero) ── */
.trust-rail {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 1.15rem 0;
}

.trust-rail-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.84rem;
  color: var(--color-text-body);
}

.trust-item strong {
  color: var(--color-primary);
  font-weight: 800;
}

.trust-divider {
  width: 1px;
  height: 24px;
  background-color: var(--color-border);
}

@media (max-width: 990px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-title {
    font-size: 2.65rem;
  }
  .hero-stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-rail-flex {
    justify-content: flex-start;
    gap: 1rem;
  }
  .trust-divider {
    display: none;
  }
  .brand-logo-vector {
    height: 36px;
  }
}

/* ── Section Structure ── */
.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: #FFFFFF;
}

.section-dark {
  background-color: var(--color-asphalt);
  color: #FFFFFF;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-valli-red);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.35rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.section-dark .section-title {
  color: #FFFFFF;
}

.section-dark .section-desc {
  color: #94A3B8;
}

/* ── Grid Layouts ── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
}

@media (max-width: 990px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ── Service Cards ── */
.service-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: transparent;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-dark);
}

.service-card:hover::before {
  background-color: var(--color-valli-red);
}

.service-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-valli-red-soft);
  color: var(--color-valli-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon-box span {
  font-size: 1.85rem;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  margin-bottom: 1.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.service-features li span {
  color: var(--color-valli-red);
  font-size: 1.1rem;
}

/* ── Full Interactive Richtpreisrechner View ── */
.calc-wrapper {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
}

@media (max-width: 900px) {
  .calc-wrapper {
    grid-template-columns: 1fr;
  }
}

.calc-main {
  padding: 3rem 2.5rem;
}

.calc-aside {
  background-color: var(--color-asphalt);
  color: #FFFFFF;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--color-border-dark);
}

.step-indicator {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.step-pill {
  flex: 1;
  height: 6px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
}

.step-pill.active {
  background-color: var(--color-valli-red);
}

.step-heading {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.preset-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.preset-card:hover {
  border-color: var(--color-valli-red);
  background-color: var(--color-valli-red-soft);
}

.preset-card.selected {
  border-color: var(--color-valli-red);
  background-color: var(--color-valli-red-soft);
}

.preset-title {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preset-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.breakdown-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: #CBD5E1;
}

.breakdown-row strong {
  color: #FFFFFF;
  font-family: var(--font-mono);
}

.total-price-banner {
  background: rgba(204, 11, 15, 0.2);
  border: 1px solid rgba(204, 11, 15, 0.5);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.total-price-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #FCA5A5;
  letter-spacing: 0.08em;
}

.total-price-amount {
  font-size: 2.25rem;
  font-weight: 900;
  color: #FFFFFF;
  font-family: var(--font-mono);
  margin: 0.25rem 0;
}

.total-price-note {
  font-size: 0.76rem;
  color: #CBD5E1;
}

/* ── Reference Project Cards ── */
.ref-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.ref-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.ref-img-wrap {
  position: relative;
  height: 220px;
  background-color: var(--color-asphalt);
  overflow: hidden;
}

.ref-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ref-card:hover .ref-img {
  transform: scale(1.05);
}

.ref-badge-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(15, 23, 42, 0.85);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.ref-content {
  padding: 1.5rem;
}

.ref-location {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-valli-red);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.ref-title {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.ref-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ── Filter Buttons ── */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-dark);
  background-color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-body);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-valli-red);
  color: var(--color-valli-red);
}

.filter-btn.active {
  background-color: var(--color-valli-red);
  border-color: var(--color-valli-red);
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(204, 11, 15, 0.2);
}

/* ── Team Profile Cards ── */
.team-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.team-avatar-box {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 2rem auto 1.25rem;
  background: linear-gradient(135deg, #E2E8F0 0%, #CBD5E1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid #FFFFFF;
  box-shadow: var(--shadow-md);
  color: var(--color-text-muted);
}

.team-avatar-box.highlight {
  background: linear-gradient(135deg, rgba(204, 11, 15, 0.1) 0%, rgba(204, 11, 15, 0.25) 100%);
  border-color: var(--color-valli-red-soft);
  color: var(--color-valli-red);
}

.team-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-valli-red);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.team-bio {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0 1.5rem 1.75rem;
}

/* ── Steam Roller History Feature ── */
.steam-history-box {
  background: linear-gradient(135deg, #181E29 0%, #0F1420 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  border-left: 6px solid var(--color-amber);
}

@media (max-width: 900px) {
  .steam-history-box {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
}

/* ── View Hero Banner Component ── */
.view-hero-banner {
  position: relative;
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3.5rem;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.view-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.view-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(6, 34, 102, 0.92) 0%, rgba(6, 34, 102, 0.75) 55%, rgba(6, 34, 102, 0.35) 100%);
  z-index: 2;
}

.view-hero-content {
  position: relative;
  z-index: 3;
  padding: 0 3rem;
  max-width: 720px;
  color: #FFFFFF;
}

@media (max-width: 768px) {
  .view-hero-banner {
    height: auto;
    min-height: 240px;
    padding: 2.5rem 1.5rem;
  }
  .view-hero-content {
    padding: 0;
  }
}

/* ── Steam Roller Cards ── */
.roller-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.roller-card:hover {
  border-color: var(--color-valli-red);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.roller-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.82rem;
  color: var(--color-valli-blue);
  background: var(--color-valli-blue-soft);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
}

.roller-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.roller-specs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0.75rem 0;
}

.roller-spec-tag {
  font-size: 0.75rem;
  background: #F1F5F9;
  color: #475569;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.roller-spec-tag.highlight {
  background: var(--color-valli-red-soft);
  color: var(--color-valli-red);
  font-weight: 700;
}

/* ── Association Cards ── */
.assoc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .assoc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.assoc-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  transition: var(--transition);
}

.assoc-card:hover {
  border-color: var(--color-valli-blue);
  box-shadow: var(--shadow-sm);
}

.assoc-abbr {
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--color-valli-blue);
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.assoc-name {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ── Footer ── */
.footer {
  background-color: var(--color-primary-dark);
  color: #94A3B8;
  padding: 4.5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 990px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ── Tab Views Visibility ── */
.page-view {
  display: none;
}

.page-view.active {
  display: block;
}