:root {
  /* Colors */
  --color-background: #050608;
  --color-surface: #0d0f13;
  --color-surface-alt: #151820;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a3ab;
  --color-border-subtle: #2a2f3b;

  /* Accent colors (bold, artistic, professional) */
  --color-primary: #ff1744; /* vivid crimson accent */
  --color-primary-soft: rgba(255, 23, 68, 0.16);
  --color-success: #4caf50;
  --color-warning: #ffb300;
  --color-danger: #ff5252;

  /* 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, Helvetica, Arial, sans-serif;
  --font-display: "Montserrat", "Oswald", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* 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-7: 1.75rem;  /* 28px */
  --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-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 999px;

  /* Shadows (subtle but premium) */
  --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 20px 40px rgba(0, 0, 0, 0.55);
  --shadow-soft-edge: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 18px 45px rgba(0, 0, 0, 0.7);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease;
  --transition-slow: 280ms ease;

  /* Layout */
  --max-width-page: 1120px;
  --max-width-wide: 1320px;
  --container-padding-x: 1.5rem;
}

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

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dl dt,
ol,
ul {
  margin: 0;
  padding: 0;
}

ol,
ul {
  list-style: none;
}

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

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

img {
  height: auto;
}

button,
input,
select,
textarea {
  margin: 0;
  font: inherit;
  color: inherit;
  background: none;
  border-radius: 0;
}

button {
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

[hidden] {
  display: none !important;
}

/*
  ==========================================================
  Base Styles
  ==========================================================
*/

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  background: radial-gradient(circle at top left, #151820 0, #050608 55%, #000 100%);
  color: var(--color-text);
}

main {
  display: block;
}

/* Headings: bold, display-style for studio brand */

h1,
.h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 1.3rem + 2.5vw, 3rem);
  line-height: var(--line-height-tight);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

h2,
.h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.1rem + 1.5vw, 2.25rem);
  line-height: var(--line-height-snug);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

h3,
.h3 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 1.05rem + 0.7vw, 1.75rem);
  line-height: var(--line-height-snug);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

h4,
.h4 {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

h5,
.h5 {
  font-size: var(--font-size-lg);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

h6,
.h6 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  /* comfortable reading line length */
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

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

/* Links: minimal underline, bold hover accent */

a {
  position: relative;
  transition: color var(--transition-normal);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), #ffffff);
  opacity: 0.8;
  transition: width var(--transition-normal);
}

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

/* Monospace for tattoo sizes / codes if needed */

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

/* Container */

.container {
  width: 100%;
  max-width: var(--max-width-page);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.container--wide {
  max-width: var(--max-width-wide);
}

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

.section--tight {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* Flexbox helpers */

.flex {
  display: flex;
}

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

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

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

.flex-col {
  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);
  }
}

/* Text utilities */

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

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

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

.text-accent {
  color: var(--color-primary);
}

/* Spacing utilities (a small curated subset) */

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

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

.pt-0 { padding-top: 0 !important; }
.pt-sm { padding-top: var(--space-3) !important; }
.pt-md { padding-top: var(--space-4) !important; }
.pt-lg { padding-top: var(--space-6) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-sm { padding-bottom: var(--space-3) !important; }
.pb-md { padding-bottom: var(--space-4) !important; }
.pb-lg { padding-bottom: var(--space-6) !important; }

/* Screen reader only */

.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;
}

.sr-only-focusable:focus,
.sr-only-focusable:focus-visible {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

/* Buttons - minimal, high-contrast, bold */

.button,
button.button,
input[type="submit"].button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg, var(--color-primary) 0%, #b31237 40%, #050608 100%);
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-normal),
    color var(--transition-fast);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0, rgba(255, 255, 255, 0.3), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.button:hover:not(:disabled),
.button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.85);
  border-color: rgba(255, 255, 255, 0.28);
}

.button:hover::before,
.button:focus-visible::before {
  opacity: 1;
}

.button--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
  box-shadow: none;
}

.button--outline:hover:not(:disabled),
.button--outline:focus-visible:not(:disabled) {
  background: rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow-sm);
}

.button--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text);
  box-shadow: none;
}

.button--ghost:hover:not(:disabled),
.button--ghost:focus-visible:not(:disabled) {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.12);
}

.button--block {
  width: 100%;
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

/* Inputs - forms for booking/contact */

.input,
textarea.input,
select.input,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="number"],
input[type="password"] {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.02), rgba(13, 15, 19, 0.98));
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.input::placeholder,
input::placeholder,
textarea::placeholder {
  color: rgba(160, 163, 171, 0.7);
}

.input:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(255, 23, 68, 0.65), 0 0 0 8px rgba(255, 23, 68, 0.14);
}

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

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card - for artist profiles, hygiene standards, testimonials */

.card {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.02), rgba(13, 15, 19, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft-edge);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), transparent 40%, rgba(255, 23, 68, 0.12) 70%, transparent 90%);
  mix-blend-mode: screen;
  opacity: 0.6;
}

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

.card__title {
  margin-bottom: var(--space-1);
}

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

.card__body {
  position: relative;
  z-index: 1;
}

/* Tag-like badge for styles or hygiene highlights */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 6, 8, 0.7);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.badge--accent {
  border-color: rgba(255, 23, 68, 0.6);
  background: rgba(255, 23, 68, 0.08);
  color: var(--color-primary);
}

/*
  ==========================================================
  Accessibility & Motion
  ==========================================================
*/

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

/* High-contrast focus-ring alternative for dark background */

[data-focus-inverse="true"]:focus-visible {
  outline-color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/*
  ==========================================================
  Tattoo-Studio Specific Touches (lightweight)
  ==========================================================
*/

/* Hero / section title accent underline */

.section-title {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.section-title__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-title__line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

/* Testimonial quote style */

.quote {
  position: relative;
  padding-left: var(--space-4);
}

.quote::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1rem;
  bottom: 0.1rem;
  width: 2px;
  border-radius: var(--radius-full);
  background: linear-gradient(to bottom, var(--color-primary), rgba(255, 255, 255, 0.2));
}

.quote__author {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.quote__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Simple monochrome divider */

.divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: var(--space-6) 0;
}