/* ========================================================================
   Variables
   ======================================================================== */

:root {
  /* Colors */
  --color-background: #f8fafc; /* subtle off-white */
  --color-surface: #ffffff;
  --color-text: #111827; /* near-black for strong readability */
  --color-text-muted: #6b7280;
  --color-border-subtle: #e5e7eb;
  --color-border-strong: #d1d5db;

  --color-primary: #0f172a; /* deep elegant blue-gray */
  --color-primary-soft: #e5e7eb;
  --color-primary-contrast: #ffffff;

  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;

  --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-serif: "Playfair Display", "Times New Roman", ui-serif, Georgia, serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --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: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows (soft, photography-centric) */
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.09);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --duration-fast: 120ms;
  --duration-base: 180ms;
  --duration-slow: 260ms;
  --easing-standard: cubic-bezier(0.19, 1, 0.22, 1);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
  }
}


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

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
}

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

picture {
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

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

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

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  padding: 0;
}

[hidden] {
  display: none !important;
}


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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

body.is-locked {
  overflow: hidden;
}

main {
  min-height: 60vh;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  font-weight: 500;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

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

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

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  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;
}

code,
pre {
  font-family: var(--font-mono);
}

a {
  color: inherit;
  text-decoration: none;
  position: relative;
  cursor: pointer;
  transition: color var(--duration-base) var(--easing-standard);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
  transition: width var(--duration-base) var(--easing-standard);
}

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

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-8) 0;
}

::selection {
  background: rgba(15, 23, 42, 0.08);
}


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

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

:focus {
  outline: none;
}

@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;
  }
}


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

/* Container */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1200px) {
  .container-wide {
    max-width: 1320px;
  }
}

/* Spacing helpers (minimal set, extend as needed) */

.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mt-8 { margin-top: var(--space-8) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

.pt-8 { padding-top: var(--space-8) !important; }
.pb-8 { padding-bottom: var(--space-8) !important; }

/* Layout helpers */

.flex {
  display: flex;
}

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

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

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

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

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

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

.justify-center {
  justify-content: center;
}

.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 & text */

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

/* 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;
}


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

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  background-color: var(--color-primary);
  color: var(--color-primary-contrast);
  transition:
    background-color var(--duration-base) var(--easing-standard),
    color var(--duration-base) var(--easing-standard),
    box-shadow var(--duration-base) var(--easing-standard),
    transform var(--duration-fast) var(--easing-standard),
    border-color var(--duration-base) var(--easing-standard);
}

.btn:hover {
  background-color: #020617;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: rgba(15, 23, 42, 0.16);
}

.btn--ghost:hover {
  background-color: rgba(15, 23, 42, 0.03);
}

.btn--light {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: rgba(15, 23, 42, 0.05);
}

.btn--light:hover {
  background-color: var(--gray-100);
}

/* Form elements */

.input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--duration-base) var(--easing-standard),
    box-shadow var(--duration-base) var(--easing-standard),
    background-color var(--duration-base) var(--easing-standard);
}

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

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.input[disabled],
textarea[disabled],
select[disabled] {
  background-color: var(--gray-100);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: var(--space-4);
}

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

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

/* Cards (for galleries, services, testimonials) */

.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.12);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  transition:
    box-shadow var(--duration-base) var(--easing-standard),
    transform var(--duration-base) var(--easing-standard),
    border-color var(--duration-base) var(--easing-standard);
}

.card--minimal {
  box-shadow: none;
  border-radius: var(--radius-md);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(15, 23, 42, 0.12);
}

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

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 500;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.card-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: -var(--space-5) -var(--space-5) var(--space-4);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Subtle image hover (for gallery thumbnails) */

.image-hover {
  overflow: hidden;
}

.image-hover img {
  transform: scale(1.01);
  transition:
    transform var(--duration-slow) var(--easing-standard),
    filter var(--duration-slow) var(--easing-standard);
}

.image-hover:hover img {
  transform: scale(1.03);
  filter: brightness(1.03);
}


/* ========================================================================
   Media Queries (global adjustments)
   ======================================================================== */

@media (max-width: 768px) {
  h1 {
    margin-bottom: var(--space-3);
  }

  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .card {
    padding: var(--space-4);
  }

  .card-media {
    margin: -var(--space-4) -var(--space-4) var(--space-3);
  }
}