/* ==========================================================================
   MADAMA GMBH — NORDIC ARCHITECTURAL LIGHT DESIGN SYSTEM (WIEN 2026)
   SWISS PRECISION & SOVEREIGN ARCHITECTURE — KANTIG • MINIMALISTISCH • CLEAN
   ========================================================================== */

:root {
  /* Core Architectural Canvas (Light Mode) */
  --m-bg: #FFFFFF;
  --m-bg-subtle: #F8F9FA;
  --m-bg-alt: #F3F4F6;
  --m-bg-dark: #0C1420;
  
  /* Precision Inks & Textures */
  --m-ink: #0C1420;
  --m-ink-muted: #475569;
  --m-ink-dim: #94A3B8;
  --m-ink-inverted: #FFFFFF;

  /* Disciplined Corporate Metals (From Brandkit) */
  --m-champagne: #C5B8A5;
  --m-champagne-light: #EFE9E0;
  --m-champagne-dark: #8F7E6B;
  --m-titanium: #D9CEBF;
  
  /* Precision Technical Accents */
  --m-azure: #0284C7;
  --m-azure-light: #E0F2FE;
  --m-azure-signal: #38BDF8;
  --m-emerald-signal: #059669;

  /* Architectural Hairlines & Grid (Sharp 0px) */
  --m-line: #E2E8F0;
  --m-line-subtle: #ECEFF3;
  --m-line-dark: rgba(12, 20, 32, 0.15);
  --m-radius: 0px; /* Strictly sharp & edgy */
  
  /* Typography */
  --m-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --m-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Shadows (Ultra-flat, diffuse, practically non-existent) */
  --m-shadow-subtle: 0 4px 20px -2px rgba(12, 20, 32, 0.04);
  --m-shadow-card: 0 1px 3px rgba(12, 20, 32, 0.05);
  --m-shadow-hover: 0 12px 30px -4px rgba(12, 20, 32, 0.08);

  /* Animation */
  --m-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --m-transition: all 0.25s var(--m-ease);
}

/* Base Reset & Invariants */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Strict architectural edge */
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--m-bg);
  color: var(--m-ink);
}

body {
  font-family: var(--m-font-sans);
  background-color: var(--m-bg);
  color: var(--m-ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle Technical Hairline Background Grid */
.bg-technical-grid {
  background-image: 
    linear-gradient(to right, rgba(12, 20, 32, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(12, 20, 32, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* Top Scroll Progress Indicator */
.scroll-progress-line {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--m-champagne);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}

/* Container */
.madama-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 768px) {
  .madama-container {
    padding: 0 20px;
  }
}

/* Typography & Technical Cues */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--m-font-sans);
  font-weight: 500;
  color: var(--m-ink);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.mono-tag {
  font-family: var(--m-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--m-ink-muted);
}

.technical-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--m-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--m-champagne-dark);
  margin-bottom: 14px;
}

.technical-eyebrow::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 1.5px;
  background: var(--m-champagne);
}

/* 1. TOP GROUP & HOLDING SWITCHER BAR (LIGHT MINIMALIST) */
.group-topbar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--m-line);
  font-size: 0.78rem;
  padding: 10px 0;
  position: relative;
  z-index: 1002;
}

.group-topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.group-brand-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.group-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--m-ink-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: var(--m-transition);
}

.group-brand-link:hover {
  color: var(--m-ink);
}

.group-brand-link.active {
  color: var(--m-ink);
  font-weight: 600;
}

.status-indicator {
  width: 6px;
  height: 6px;
  background: var(--m-champagne-dark);
  display: inline-block;
}

.status-indicator.tech {
  background: var(--m-azure);
}

.group-quick-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--m-font-mono);
  font-size: 0.75rem;
  color: var(--m-ink-dim);
}

.group-quick-info a {
  color: var(--m-ink);
  text-decoration: none;
}

/* 2. CORPORATE HEADER (LIGHT NORDIC) */
.madama-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--m-line);
  transition: var(--m-transition);
}

.madama-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 84px;
}

.brand-master-svg-light {
  height: 44px;
  width: auto;
  display: block;
}

.nav-desktop-list {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-desktop-link {
  color: var(--m-ink-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 8px 0;
  position: relative;
  transition: var(--m-transition);
}

.nav-desktop-link:hover,
.nav-desktop-link.active {
  color: var(--m-ink);
}

.nav-desktop-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--m-ink);
  transition: width 0.25s var(--m-ease);
}

.nav-desktop-link:hover::after,
.nav-desktop-link.active::after {
  width: 100%;
}

.header-action-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 3. KANTIGE BUTTONS (NORDISCH MINIMALISTISCH) */
.btn-nordic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  font-family: var(--m-font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: var(--m-transition);
  border: 1px solid transparent;
}

.btn-solid-dark {
  background: var(--m-ink);
  color: #FFFFFF;
  border-color: var(--m-ink);
}

.btn-solid-dark:hover {
  background: #1E293B;
  border-color: #1E293B;
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--m-ink);
  border-color: var(--m-line-dark);
}

.btn-outline-dark:hover {
  background: var(--m-bg-subtle);
  border-color: var(--m-ink);
}

.btn-champagne-accent {
  background: var(--m-champagne-light);
  color: var(--m-champagne-dark);
  border: 1px solid var(--m-champagne);
}

.btn-champagne-accent:hover {
  background: var(--m-champagne);
  color: #FFFFFF;
}

/* 4. HERO SECTION (MINIMALISTISCHE WEITE & ARCHITEKTUR) */
.hero-nordic {
  padding: 100px 0 80px;
  border-bottom: 1px solid var(--m-line);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.4rem, 4.6vw, 4.4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--m-ink);
  margin-bottom: 24px;
}

.hero-title strong {
  font-weight: 600;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--m-ink-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 36px;
}

.technical-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--m-line);
  background: var(--m-bg-subtle);
  font-family: var(--m-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--m-ink-muted);
}

/* 5. INTERAKTIVER B2B KALKULATOR (KANTIG & PRÄZISE) */
.calc-architectural {
  border: 1px solid var(--m-line);
  background: #FFFFFF;
  padding: 36px;
  box-shadow: var(--m-shadow-card);
  position: relative;
}

.calc-corner-tick {
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--m-champagne);
  border-style: solid;
}

.calc-corner-tick.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.calc-corner-tick.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.calc-corner-tick.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.calc-corner-tick.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.calc-header {
  border-bottom: 1px solid var(--m-line);
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.calc-form-field {
  margin-bottom: 22px;
}

.calc-field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--m-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--m-ink);
  margin-bottom: 8px;
}

.calc-input-select {
  width: 100%;
  padding: 12px 14px;
  background: #FFFFFF;
  border: 1px solid var(--m-line);
  color: var(--m-ink);
  font-family: var(--m-font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: var(--m-transition);
}

.calc-input-select:focus {
  border-color: var(--m-ink);
}

.calc-range-bar {
  width: 100%;
  height: 4px;
  background: var(--m-line);
  outline: none;
  -webkit-appearance: none;
  margin: 14px 0 6px;
}

.calc-range-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--m-ink);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 1px var(--m-ink);
  cursor: pointer;
}

.calc-output-strip {
  background: var(--m-bg-subtle);
  border: 1px solid var(--m-line);
  border-left: 3px solid var(--m-champagne);
  padding: 20px;
  margin: 24px 0 20px;
}

.calc-price-main {
  font-family: var(--m-font-sans);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--m-ink);
  line-height: 1;
}

.calc-price-sub {
  font-family: var(--m-font-mono);
  font-size: 0.72rem;
  color: var(--m-ink-muted);
  letter-spacing: 0.05em;
  margin-top: 6px;
}

/* 6. HOLDING MATRIX: 3-SÄULEN ARCHITEKTUR (KANTIG) */
.section-matrix {
  padding: 100px 0;
  border-bottom: 1px solid var(--m-line);
}

.grid-matrix-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card-architectural {
  background: #FFFFFF;
  border: 1px solid var(--m-line);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--m-transition);
  position: relative;
}

.card-architectural:hover {
  border-color: var(--m-ink);
  box-shadow: var(--m-shadow-hover);
  transform: translateY(-2px);
}

.card-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.card-mono-idx {
  font-family: var(--m-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--m-champagne-dark);
  letter-spacing: 0.15em;
}

.card-title {
  font-size: 1.45rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--m-ink);
}

.card-subtitle {
  font-family: var(--m-font-mono);
  font-size: 0.75rem;
  color: var(--m-ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.card-text {
  font-size: 0.95rem;
  color: var(--m-ink-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.card-bullet-list {
  list-style: none;
  border-top: 1px solid var(--m-line);
  padding-top: 16px;
  margin-bottom: 28px;
}

.card-bullet-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--m-ink);
  margin-bottom: 10px;
}

/* 7. FACILITY SERVICES (KANTIGE BENTO GRID) */
.services-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

@media (max-width: 1024px) {
  .services-bento {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .services-bento {
    grid-template-columns: 1fr;
  }
}

.bento-item {
  border: 1px solid var(--m-line);
  background: #FFFFFF;
  padding: 32px;
  transition: var(--m-transition);
}

.bento-item:hover {
  border-color: var(--m-ink);
}

.bento-icon-svg {
  width: 24px;
  height: 24px;
  stroke: var(--m-ink);
  stroke-width: 1.5;
  fill: none;
  margin-bottom: 20px;
}

/* 8. SCROLL REVEAL ANIMATIONS */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--m-ease), transform 0.7s var(--m-ease);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 9. MINIMALISTISCHES B2B LEAD FORMULAR */
.rfq-section {
  padding: 100px 0;
  background: var(--m-bg-subtle);
  border-top: 1px solid var(--m-line);
}

.rfq-box {
  background: #FFFFFF;
  border: 1px solid var(--m-line);
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .rfq-box {
    padding: 24px;
  }
}

.form-field-full {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .form-field-full {
    grid-column: span 1;
  }
}

.field-label-nordic {
  display: block;
  font-family: var(--m-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--m-ink);
  margin-bottom: 6px;
}

.field-input-nordic {
  width: 100%;
  padding: 13px 16px;
  background: #FFFFFF;
  border: 1px solid var(--m-line);
  font-family: var(--m-font-sans);
  font-size: 0.95rem;
  color: var(--m-ink);
  outline: none;
  transition: var(--m-transition);
}

.field-input-nordic:focus {
  border-color: var(--m-ink);
}

/* 10. ARCHITECTURAL FOOTER (LIGHT MINIMALIST) */
.footer-nordic {
  background: #FFFFFF;
  border-top: 1px solid var(--m-line);
  padding: 80px 0 40px;
}

.footer-columns-4 {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (max-width: 992px) {
  .footer-columns-4 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .footer-columns-4 {
    grid-template-columns: 1fr;
  }
}

.footer-col-title {
  font-family: var(--m-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--m-ink);
  margin-bottom: 20px;
}

.footer-link-list {
  list-style: none;
}

.footer-link-list li {
  margin-bottom: 10px;
}

.footer-link-list a {
  color: var(--m-ink-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--m-transition);
}

.footer-link-list a:hover {
  color: var(--m-ink);
}

.footer-bottom-legal {
  border-top: 1px solid var(--m-line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--m-font-mono);
  font-size: 0.75rem;
  color: var(--m-ink-dim);
}