/* ============================================================
   BEKER.WORLD — Global styles
   ============================================================ */

/* ----------------------------------------
   CSS Custom Properties
---------------------------------------- */
:root {
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --content-width: 720px;
  --header-height: 68px;

  /* Maria Sol — cold palette */
  --ms-bg:      #F4F7FA;
  --ms-bg-alt:  #E8EEF5;
  --ms-primary: #1C2B3A;
  --ms-accent:  #4A6FA5;
  --ms-text:    #2D3F50;
  --ms-muted:   #7A8D9E;
  --ms-border:  #C8D3DF;

  /* Ludmilla — warm palette */
  --l-bg:      #FAF6F0;
  --l-bg-alt:  #F2E8DB;
  --l-primary: #3A1C0E;
  --l-accent:  #C47848;
  --l-text:    #4A2E1A;
  --l-muted:   #9A7865;
  --l-border:  #E0C8B0;
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ----------------------------------------
   Language Switcher
---------------------------------------- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0;
}

.lang-link {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.4;
  transition: opacity 0.2s ease;
  padding: 0 0.65rem;
}

.lang-link + .lang-link {
  border-left: 1px solid currentColor;
}

.lang-link:first-child {
  padding-left: 0;
}

.lang-link:hover,
.lang-link.is-active {
  opacity: 1;
}

/* ----------------------------------------
   Floating Bubble
---------------------------------------- */
.bubble {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  z-index: 200;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
  cursor: pointer;
}

.bubble:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

.bubble--to-l {
  background-color: var(--l-bg-alt);
  color: var(--l-primary);
  border: 1px solid var(--l-border);
}

.bubble--to-ms {
  background-color: var(--ms-bg-alt);
  color: var(--ms-primary);
  border: 1px solid var(--ms-border);
}

.bubble__label {
  font-size: 0.85rem;
  font-style: italic;
}

/* ----------------------------------------
   Site Header
---------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.site-header__home {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-right: auto;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.site-header__home:hover {
  opacity: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.site-nav__link {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.site-nav__link:hover {
  opacity: 1;
}

/* ----------------------------------------
   Hero
---------------------------------------- */
.hero {
  padding: var(--space-xl) var(--space-md) var(--space-lg);
}

.hero__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

.hero__name {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.hero__subtitle {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero__bio {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.85;
  max-width: 58ch;
}

/* ----------------------------------------
   Content Sections
---------------------------------------- */
.section {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid;
}

.section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

.section__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-md);
}

/* ----------------------------------------
   Articles list (Substack)
---------------------------------------- */
.articles-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-card__link {
  display: block;
  padding: var(--space-md);
  border: 1px solid;
  transition: background-color 0.2s ease;
}

.article-card__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.article-card__date {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: var(--space-sm);
}

.article-card__desc {
  font-size: 0.95rem;
  line-height: 1.75;
  opacity: 0.7;
  margin-bottom: var(--space-sm);
}

.article-card__more {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.substack-cta {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  opacity: 0.6;
  transition: opacity 0.2s;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.substack-cta:hover {
  opacity: 1;
}

/* ----------------------------------------
   Gallery Grid
---------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.gallery-item__inner {
  aspect-ratio: 4 / 3;
}

.gallery-item--placeholder .gallery-item__inner {
  opacity: 0.08;
}

/* ----------------------------------------
   Contact
---------------------------------------- */
.contact-link {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 300;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.contact-link:hover {
  opacity: 0.6;
}

/* ----------------------------------------
   Placeholder text
---------------------------------------- */
.placeholder-text {
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.4;
}

/* ----------------------------------------
   Footer
---------------------------------------- */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-top: 1px solid;
  max-width: 1100px;
  margin: var(--space-lg) auto 0;
}

.footer__home {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.45;
  transition: opacity 0.2s;
}

.footer__home:hover {
  opacity: 1;
}

.footer__copy {
  font-size: 0.72rem;
  opacity: 0.3;
}

/* ----------------------------------------
   Responsive
---------------------------------------- */
@media (max-width: 768px) {
  .site-header__inner {
    padding: 0 var(--space-sm);
    gap: var(--space-sm);
  }

  .site-nav {
    display: none;
  }

  .hero {
    padding: var(--space-lg) var(--space-sm) var(--space-md);
  }

  .section {
    padding: var(--space-md) var(--space-sm);
  }

  .site-footer {
    padding: var(--space-sm);
    margin-top: var(--space-md);
  }
}