/* ==========================================================================
   Lumière Hair & Esthetics - Salon & Spa Concept Demo Stylesheet
   Palette: Forest Charcoal (#1a201c), Sage (#52796f), Warm Rose (#e0b1cb), Cream (#fdf8f5)
   ========================================================================== */

:root {
  --sln-bg: #141815;
  --sln-surface: #1e2420;
  --sln-card: #252c27;
  --sln-border: rgba(162, 210, 190, 0.15);
  --sln-border-hover: rgba(224, 177, 203, 0.4);

  --sln-text: #f5f0eb;
  --sln-text-muted: #b7c4bc;
  --sln-accent: #e0b1cb;
  --sln-sage: #84a98c;

  --font-serif: "Playfair Display", "Didot", "Georgia", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  background-color: var(--sln-bg);
  color: var(--sln-text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

.sln-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.sln-header {
  border-bottom: 1px solid var(--sln-border);
  padding: 1.25rem 0;
  position: sticky;
  top: 38px;
  z-index: 100;
  background: rgba(20, 24, 21, 0.95);
  backdrop-filter: blur(12px);
}

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

.sln-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: #fff;
  text-decoration: none;
}

.sln-brand span {
  color: var(--sln-accent);
}

.sln-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.sln-nav-links a {
  color: var(--sln-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.sln-nav-links a:hover {
  color: var(--sln-accent);
}

/* Hero */
.sln-hero {
  padding: 6.5rem 0 5rem 0;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(224, 177, 203, 0.1) 0%, transparent 65%);
}

.sln-hero-sub {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--sln-sage);
  margin-bottom: 1rem;
}

.sln-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: #fff;
}

.sln-hero-desc {
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  color: var(--sln-text-muted);
  font-size: 1.05rem;
}

.btn-sln {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--sln-accent);
  color: #141815;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 9999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-sln:hover {
  background: #ecd0de;
  transform: translateY(-2px);
}

/* Service Menu Section */
.sln-section {
  padding: 5rem 0;
}

.sln-section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 0.5rem;
  color: #fff;
}

.sln-section-desc {
  text-align: center;
  color: var(--sln-text-muted);
  margin-bottom: 3.5rem;
}

.sln-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.sln-service-card {
  background: var(--sln-card);
  border: 1px solid var(--sln-border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.sln-service-card:hover {
  border-color: var(--sln-border-hover);
}

.sln-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.sln-service-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #fff;
}

.sln-service-price {
  font-weight: 700;
  color: var(--sln-accent);
  font-size: 1.1rem;
}

.sln-service-duration {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sln-sage);
  margin-bottom: 1rem;
}

.sln-service-desc {
  font-size: 0.9rem;
  color: var(--sln-text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Booking Interface */
.sln-booking-box {
  background: var(--sln-surface);
  border: 1px solid var(--sln-border);
  border-radius: 16px;
  padding: 3.5rem 3rem;
  max-width: 780px;
  margin: 0 auto;
}

.sln-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.sln-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sln-label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--sln-text-muted);
}

.sln-input, .sln-select {
  padding: 0.8rem 1rem;
  background: #141815;
  border: 1px solid var(--sln-border);
  border-radius: 8px;
  color: #fff;
  font-family: inherit;
  font-size: 0.92rem;
}

.sln-input:focus, .sln-select:focus {
  outline: none;
  border-color: var(--sln-accent);
}

.sln-full {
  grid-column: 1 / -1;
}

/* Footer */
.sln-footer {
  border-top: 1px solid var(--sln-border);
  padding: 3rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--sln-text-muted);
}

@media (max-width: 768px) {
  .sln-form-grid {
    grid-template-columns: 1fr;
  }
  .sln-booking-box {
    padding: 2rem 1.5rem;
  }
  .sln-nav-links {
    display: none;
  }
}