/* ============================================
   SINEVIA DESIGN SYSTEM
   Premium Theme Variables
   ============================================ */

:root {
  /* ---------- Colors - Sophisticated Palette ---------- */
  /* Primary */
  --clr-primary: #1a1a2e;
  --clr-secondary: #16213e;

  /* Accent */
  --clr-accent: #c9a227;
  --clr-accent-light: #e8d48b;

  /* Legacy mappings (for backward compatibility) */
  --clr-ink: #1a1a2e;
  --clr-text-on-primary: #ffffff;

  /* Text */
  --clr-text-main: #2d2d2d;
  --clr-text-light: #6b6b6b;
  --clr-text-muted: #9a9a9a;

  /* Backgrounds */
  --clr-surface: #fafafa;
  --clr-bg-alt: #f5f5f5;
  --clr-white: #ffffff;
  --clr-dark: #0f0f0f;

  /* Borders */
  --clr-border: rgba(0, 0, 0, 0.08);

  /* ---------- Typography ---------- */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* ---------- Spacing ---------- */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  --spacing-3xl: 10rem;

  /* ---------- Transitions ---------- */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* ---------- Shadows ---------- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-text-main);
  background-color: var(--clr-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
}

/* ---------- Typography Defaults ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  color: var(--clr-primary);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- Bootstrap Overrides ---------- */
:root {
  --bs-primary: var(--clr-primary);
  --bs-primary-rgb: 26, 26, 46;
  /* derived from #1a1a2e */

  --bs-secondary: var(--clr-secondary);
  --bs-secondary-rgb: 22, 33, 62;
  /* derived from #16213e */

  --bs-body-font-family: var(--font-body);
  --bs-body-color: var(--clr-text-main);
  --bs-body-bg: var(--clr-surface);
}

body {
  font-family: var(--font-body);
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: var(--font-display);
  color: var(--clr-primary);
}

.btn-primary {
  background-color: var(--clr-primary);
  border-color: var(--clr-primary);
  --bs-btn-hover-bg: var(--clr-secondary);
  --bs-btn-hover-border-color: var(--clr-secondary);
  --bs-btn-active-bg: var(--clr-secondary);
  --bs-btn-active-border-color: var(--clr-secondary);
}

.btn-outline-primary {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
  --bs-btn-hover-bg: var(--clr-primary);
  --bs-btn-hover-color: var(--clr-white);
}

.text-accent {
  color: var(--clr-accent) !important;
}

.bg-accent {
  background-color: var(--clr-accent) !important;
}

/* Premium Utilities */
.premium-shadow {
  box-shadow: var(--shadow-lg);
}

.premium-card {
  border: 1px solid var(--clr-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  background-color: var(--clr-white);
}

.premium-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.section-padding {
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
}