/* ==========================================================================
   DoMiSiLaDoRe - Main stylesheet (variables, reset, base, layout)
   ========================================================================== */

:root {
  --color-primary: #163047;
  --color-primary-light: #24425f;
  --color-accent: #c4a46b;
  --color-accent-dark: #a9875a;
  --color-background: #f9f7f2;
  --color-surface: #ffffff;
  --color-text: #2b2b2b;
  --color-text-muted: #6b6b6b;
  --color-border: #e4dfd3;
  --color-danger: #b3261e;
  --color-success: #2e7d32;

  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(22, 48, 71, 0.08);
  --shadow-md: 0 10px 30px rgba(22, 48, 71, 0.12);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --header-height: 76px;
  --transition-base: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
}

p {
  margin: 0 0 var(--space-2);
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: var(--space-2);
}

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

/* Sections
   ========================================================================== */

.section {
  padding-block: var(--space-5);
}

.section--alt {
  background: var(--color-surface);
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: var(--space-3);
  position: relative;
}

.section__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-1);
  border-radius: 2px;
}

/* Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(249, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.main-nav ul {
  display: flex;
  gap: var(--space-3);
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  position: relative;
  padding-block: 4px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Footer
   ========================================================================== */

.site-footer {
  background: var(--color-primary);
  color: #fff;
  padding-block: var(--space-4);
  text-align: center;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.85);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: var(--space-1);
}

.footer-rights {
  font-size: 0.85rem;
  margin-top: var(--space-2);
}