/* TD Consulting - Swiss Editorial Styles */
/* Clean grids, strong typography, minimal color, refined luxury */

:root {
  --ink: #0a0a0a;
  --paper: #fafafa;
  --gray-900: #1a1a1a;
  --gray-800: #262626;
  --gray-700: #404040;
  --gray-500: #737373;
  --gray-400: #a3a3a3;
  --gray-300: #d4d4d4;
  --gray-200: #e5e5e5;
  --gray-100: #f0f0f0;
  
  /* Matte Earth Tones */
  --clay: #6d5d4d;
  --sage: #6b705c;
  --ochre: #b08d57;
  --slate: #535c68;
  --terracotta: #a0522d;
  --moss: #4a5d23;
  --creme: #f5f1e8;
  
  --accent: #d4af37;
  --accent-dark: #b8960c;
  
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  --max-width: 1200px;
  --border: 1px solid var(--gray-300);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
  transition: top 0.2s;
}

.skip-link:focus {
  top: var(--space-md);
}

/* Header */
.consulting-header {
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.95);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.header-nav {
  display: flex;
  gap: var(--space-xl);
}

.header-nav a {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  transition: color 0.2s;
}

.header-nav a:hover {
  color: #ffffff;
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: var(--border);
}

.hero-wipe-mask {
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform-origin: left center;
  z-index: 10;
  pointer-events: none;
  display: none; /* shown by JS before animation plays; image visible on slow/no-JS */
}

.hero-image-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-image {
  position: absolute;
  inset: -5%;
  background:
    linear-gradient(90deg,
      rgba(10,10,10,0.92) 0%,
      rgba(10,10,10,0.80) 55%,
      rgba(10,10,10,0.45) 100%),
    url('plants.png') center center / cover no-repeat;
  transform: scale(1.15);
  will-change: transform;
  filter: blur(2px);
}

.hero-grid {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-300);
  margin: 0 0 var(--space-md) 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-lg) 0;
  color: var(--creme);
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--gray-300);
  max-width: 540px;
  margin: 0 0 var(--space-xl) 0;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.btn-primary {
  background: var(--creme);
  color: var(--ink);
  border: 1px solid var(--creme);
}

.btn-primary:hover {
  background: transparent;
  color: var(--creme);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  border-color: #ffffff;
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.2);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--creme);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--creme);
  margin-top: var(--space-xs);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  -webkit-font-smoothing: subpixel-antialiased;
}

/* Section Headers */
.section-header {
  margin-bottom: var(--space-2xl);
  border-left: 4px solid var(--ink);
  padding-left: var(--space-lg);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray-500);
  margin: 0 0 var(--space-xs) 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
}

/* Services Section */
.services-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
  border-bottom: var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  padding: var(--space-xl);
  border: var(--border);
  background: white;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--ink);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-400);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.service-number::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-md) 0;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0 0 var(--space-xl) 0;
  min-height: 5.4em;
}

.service-price {
  margin-top: auto;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: var(--space-lg);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  display: block;
  letter-spacing: -0.01em;
}

.price-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin-top: var(--space-xs);
  display: block;
}

/* ── Refined Button Architecture ── */
.booking-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.booking-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.group-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  margin-bottom: var(--space-xs);
}

/* Base CTA - Pure Swiss Editorial */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  width: 100%;
  cursor: pointer;
  border: 1px solid var(--ink);
}

/* Primary Action - Solid Black */
.btn-solid {
  background: var(--ink);
  color: var(--paper);
}

.btn-solid:hover {
  background: #333333;
  border-color: #333333;
  transform: translateY(-2px);
  letter-spacing: 0.15em;
}

/* Secondary Action - Clean Outline */
.btn-outline {
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
  letter-spacing: 0.15em;
}

/* Special High-End Accent (Gold Subtle) */
.btn-accent-editorial {
  background: transparent;
  color: #997404;
  border-color: #997404;
}

.btn-accent-editorial:hover {
  background: #997404;
  color: var(--paper);
  transform: translateY(-2px);
}

/* Discovery/Booking - Clean Gray */
.btn-discovery {
  background: var(--gray-100);
  color: var(--ink);
  border-color: var(--gray-200);
}

.btn-discovery:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  transform: translateY(-2px);
}

/* ── Matte Earth Tone Variations ── */
.btn-clay {
  color: var(--clay) !important;
  border-color: var(--clay) !important;
}

.btn-clay:hover {
  background: var(--clay) !important;
  color: var(--paper) !important;
}

.btn-sage {
  color: var(--sage) !important;
  border-color: var(--sage) !important;
}

.btn-sage:hover {
  background: var(--sage) !important;
  color: var(--paper) !important;
}

.btn-ochre {
  color: var(--ochre) !important;
  border-color: var(--ochre) !important;
}

.btn-ochre:hover {
  background: var(--ochre) !important;
  color: var(--paper) !important;
}

.btn-clay {
  color: var(--clay) !important;
  border-color: var(--clay) !important;
}

.btn-clay:hover {
  background: var(--clay) !important;
  color: var(--paper) !important;
}

.btn-sage {
  color: var(--sage) !important;
  border-color: var(--sage) !important;
}

.btn-sage:hover {
  background: var(--sage) !important;
  color: var(--paper) !important;
}

.btn-ochre {
  color: var(--ochre) !important;
  border-color: var(--ochre) !important;
}

.btn-ochre:hover {
  background: var(--ochre) !important;
  color: var(--paper) !important;
}

.btn-slate {
  color: var(--slate) !important;
  border-color: var(--slate) !important;
}

.btn-slate:hover {
  background: var(--slate) !important;
  color: var(--paper) !important;
}

.btn-terracotta {
  color: var(--terracotta) !important;
  border-color: var(--terracotta) !important;
}

.btn-terracotta:hover {
  background: var(--terracotta) !important;
  color: var(--paper) !important;
}

.btn-moss {
  color: var(--moss) !important;
  border-color: var(--moss) !important;
}

.btn-moss:hover {
  background: var(--moss) !important;
  color: var(--paper) !important;
}

/* New Service Button Colors */
.btn-brown {
  color: #8b7355 !important;
  border-color: #8b7355 !important;
}

.btn-brown:hover {
  background: #8b7355 !important;
  color: var(--paper) !important;
}

.btn-azure {
  color: #2c5f8d !important;
  border-color: #2c5f8d !important;
}

.btn-azure:hover {
  background: #2c5f8d !important;
  color: var(--paper) !important;
}

.btn-violet {
  color: #5c3d6e !important;
  border-color: #5c3d6e !important;
}

.btn-violet:hover {
  background: #5c3d6e !important;
  color: var(--paper) !important;
}

.btn-creme {
  background: var(--creme) !important;
  color: var(--ink) !important;
  border-color: var(--gray-300) !important;
}

.btn-creme:hover {
  background: var(--ink) !important;
  color: var(--paper) !important;
  border-color: var(--ink) !important;
}

.booking-note {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--gray-500);
  margin-top: var(--space-md);
  line-height: 1.5;
  font-style: italic;
}

/* Process Section */
.process-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
  border-bottom: var(--border);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.process-item {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--ink);
}

.process-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  display: block;
  margin-bottom: var(--space-lg);
}

.process-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm) 0;
  letter-spacing: -0.01em;
}

.process-desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0;
}

/* Capabilities Section */
.capabilities-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
  border-bottom: var(--border);
}

.capabilities-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl) var(--space-lg);
}

.capability-item h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm) 0;
  letter-spacing: -0.01em;
}

.capability-item p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin: 0;
  line-height: 1.7;
}

/* Contact Section */
.contact-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-desc {
  font-size: 1.125rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0 0 var(--space-xl) 0;
  max-width: 480px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  margin-bottom: var(--space-xs);
}

.contact-item a,
.contact-item span {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.action-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  border: var(--border);
  background: white;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.action-card:hover {
  border-color: var(--ink);
  transform: translateX(8px);
  background: var(--ink);
  color: var(--paper);
}

.action-card:hover .action-desc {
  color: var(--gray-300);
}

.action-card:hover .action-arrow {
  color: var(--paper);
  transform: translateX(4px);
}

.action-label {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.action-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: var(--space-md);
  transition: color 0.3s;
}

.action-arrow {
  font-size: 1.5rem;
  color: var(--ink);
  align-self: flex-end;
  transition: all 0.3s;
}

/* ── Elite Ecosystem Footer ── */
.elite-footer {
  background: var(--ink);
  color: var(--paper);
  border-top: var(--border);
}

.footer-upper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs) 0;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.footer-tagline {
  font-size: 0.75rem;
  color: var(--gray-500);
  max-width: 220px;
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.seasonal-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gray-900);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--gray-800);
}

.seasonal-dot {
  width: 6px;
  height: 6px;
  background: var(--sage);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--sage);
  animation: pulse 2s infinite;
}

.seasonal-text {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--creme);
}

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  margin: 0 0 var(--space-lg) 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-links a {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-500);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-block;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-lower {
  border-top: 1px solid var(--gray-800);
  padding: var(--space-lg) 0;
}

.footer-legal {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-600);
  flex-wrap: wrap;
}

.separator {
  color: var(--gray-800);
}

/* Responsive */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .capabilities-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .header-nav {
    gap: var(--space-lg);
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    flex-direction: row;
    gap: var(--space-xl);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .capabilities-list {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-tagline {
    margin: 0 auto var(--space-md);
  }

  .footer-links {
    align-items: center;
  }

  .footer-links a:hover {
    transform: translateY(-2px);
  }
  
  .footer-inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  .hero-stats {
    flex-direction: column;
  }

  .footer-legal {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .separator {
    display: none;
  }
}