:root {
  /* Color Palette */
  --color-background: #0c0f0e; /* space-black */
  --color-surface: #0a231c; /* deep hunter-green */
  --color-surface-elevated: #111827; /* deep slate for contrast */
  --color-text: #f3f0e6; /* warm ivory */
  --color-text-muted: #9ca3af; /* muted gray */
  --color-primary: #10b981; /* vivid emerald */
  --color-primary-soft: #6ee7b7; /* soft sage/emerald tint */
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-border-subtle: rgba(148, 163, 184, 0.35);
  --color-border-strong: rgba(148, 163, 184, 0.6);

  /* Neutral grays */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-serif: "Playfair Display", "Times New Roman", serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Radius */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 8px; /* default for cards and key surfaces */
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Shadows (subtle, moody, no harsh blur) */
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-ambient: 0 0 0 1px rgba(15, 23, 42, 0.8), 0 16px 40px rgba(0, 0, 0, 0.7);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 320ms ease-out;
}

/* =========================================
   Reset & Normalize
   ========================================= */

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

html {
  margin: 0;
  padding: 0;
  overflow-x: clip;
  max-width: 100%;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  overflow-x: clip;
  max-width: 100%;
}

h1, h2, h3, h4, h5, h6,
p, figure,
blockquote,
dl, dd {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  margin: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  border-radius: 0;
}

textarea {
  resize: vertical;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

[hidden] {
  display: none !important;
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================
   Base Typography & Layout
   ========================================= */

body {
  min-height: 100vh;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

main {
  display: block;
}

/* Headings: classic, bold, with tight leading */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 3.6vw, 2.5rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

h5 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

small {
  font-size: var(--font-size-sm);
}

strong {
  font-weight: 600;
}

/* Links: understated with emerald hover */

a {
  position: relative;
  color: var(--color-primary-soft);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-base);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0.9;
  transition: width var(--transition-base);
}

a:hover::after,
a:focus-visible::after {
  width: 100%;
}

a:hover {
  color: var(--color-primary);
}

/* =========================================
   Accessibility & Focus States
   ========================================= */

:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Screen-reader only utility */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================
   Layout Utilities
   ========================================= */

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-6);
  }
}

.section {
  padding-block: var(--space-12);
}

.section--dense {
  padding-block: var(--space-8);
}

.section--hero {
  padding-block: clamp(var(--space-12), 12vh, var(--space-20));
}

/* Flex helpers */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.flex-wrap {
  flex-wrap: wrap;
}

.gap-xs {
  gap: var(--space-2);
}

.gap-sm {
  gap: var(--space-3);
}

.gap-md {
  gap: var(--space-4);
}

.gap-lg {
  gap: var(--space-6);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Alignment & spacing */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--color-text-muted);
}

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-2); }
.mt-sm { margin-top: var(--space-3); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-2); }
.mb-sm { margin-bottom: var(--space-3); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }

.pt-lg { padding-top: var(--space-6); }
.pb-lg { padding-bottom: var(--space-6); }

/* =========================================
   Components
   ========================================= */

/* Hero block: static bistro scene with text card overlay */

.hero {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: radial-gradient(circle at top left, rgba(16, 185, 129, 0.15), transparent 60%),
              radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.9), #020617);
  box-shadow: var(--shadow-ambient);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  min-height: 420px;
}

.hero__image {
  position: relative;
  isolation: isolate;
}

.hero__image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/emerald-bistro-room.webp") center/cover no-repeat;
  filter: saturate(1.1) contrast(1.2) brightness(0.7);
}

.hero__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0%, rgba(15, 118, 110, 0.6), transparent 55%),
              linear-gradient(120deg, rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0.9));
  mix-blend-mode: multiply;
}

.hero__image-overlay {
  position: absolute;
  inset: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.25);
  mix-blend-mode: soft-light;
}

.hero__content {
  position: relative;
  padding: clamp(var(--space-6), 6vw, var(--space-10));
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: radial-gradient(circle at top left, rgba(16, 185, 129, 0.12), transparent 60%),
              linear-gradient(140deg, rgba(15, 23, 42, 0.9), rgba(12, 15, 14, 0.98));
}

.hero__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-primary-soft);
  margin-bottom: var(--space-3);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 3.5vw, 2.75rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__meta-label {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  color: var(--gray-400);
}

.hero__meta-value {
  color: var(--color-text);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--color-primary-soft);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0%, #a7f3d0, var(--color-primary));
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.35);
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

  .hero__image {
    min-height: 220px;
  }

  .hero__content {
    padding-block: var(--space-6);
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-inline: 1.5rem;
  padding-block: 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: radial-gradient(circle at 0% 0%, #6ee7b7, var(--color-primary));
  color: #01110a;
  box-shadow: 0 18px 40px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
  background: radial-gradient(circle at 0% 0%, #a7f3d0, #22c55e);
  transform: translateY(-1px);
  box-shadow: 0 20px 45px rgba(16, 185, 129, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.35);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.7);
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.45);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(226, 232, 240, 0.65);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-soft);
  border-color: rgba(45, 212, 191, 0.7);
}

.btn-outline:hover {
  background: rgba(15, 23, 42, 0.85);
}

.btn[disabled],
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

/* Inputs */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

label {
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-300);
}

.input,
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(15, 23, 42, 0.95);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-primary-soft);
  box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.5);
}

.input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Card */

.card {
  position: relative;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: radial-gradient(circle at top left, rgba(16, 185, 129, 0.08), transparent 55%),
              linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(6, 10, 9, 0.98));
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: var(--shadow-subtle);
}

.card--subtle {
  background: rgba(12, 18, 16, 0.96);
  border-color: rgba(75, 85, 99, 0.6);
  box-shadow: var(--shadow-soft);
}

.card__header {
  margin-bottom: var(--space-4);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card__body {
  font-size: var(--font-size-sm);
}

/* Separator lines */

.divider {
  height: 1px;
  width: 100%;
  border: none;
  margin-block: var(--space-4);
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.4), transparent);
}

/* Navigation-related helpers (no JS) */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.nav__brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.nav__link {
  position: relative;
  color: var(--gray-300);
  padding-block: 0.25rem;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav-toggle {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.9);
}

.nav-toggle__bar {
  width: 18px;
  height: 1px;
  border-radius: 999px;
  background: var(--gray-200);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

/* Lists */

ul,
ol {
  list-style: none;
}

/* Global Syntax Code Injections */
ul {
  list-style: none !important;
}

.nav-toggle {
  flex-direction: column;
}