/* ============================================================
   ṦerŻa — Silberne Yggdrasil Philosophie
   Naturverbundene Palette: Nächtliches Waldgrün-Schwarz + kühles Silber
   ============================================================ */

/* ---------- Type Scale ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* Spacing */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;   --space-24: 6rem; --space-32: 8rem;

  /* Radius / motion */
  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-full: 9999px;
  --transition-interactive: 320ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1280px;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;
}

/* ---------- Palette (Dark = default, das Logo lebt auf Schwarz) ---------- */
:root, [data-theme='dark'] {
  --color-bg: #070a09;
  --color-bg-2: #0a0f0d;
  --color-surface: #0e1512;
  --color-surface-2: #121a16;
  --color-border: #1f2c26;
  --color-divider: #17211d;

  /* Silber-Schrift-Hierarchie */
  --color-text: #d6dde1;         /* helles Silber */
  --color-text-strong: #eef2f4;  /* Highlight-Silber */
  --color-text-muted: #97a3a6;   /* gedämpftes Silber */
  --color-text-faint: #5f6d6c;

  /* Naturakzent: gedämpftes Mondgrün */
  --color-accent: #7fae93;
  --color-accent-soft: #4a6b58;
  --color-accent-glow: rgba(127, 174, 147, 0.14);

  /* Silber-Metallic (für Linien, Zierrat) */
  --silver-1: #c7ced3;
  --silver-2: #9aa6ac;
  --silver-3: #6d787d;
  --silver-grad: linear-gradient(180deg, #eef2f4 0%, #c2cace 42%, #8b979c 100%);

  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
}

/* Light-Mode: gedämpftes Perlgrau-Grün, silberne Akzente bleiben */
[data-theme='light'] {
  --color-bg: #eef1ee;
  --color-bg-2: #e7ebe7;
  --color-surface: #f5f7f4;
  --color-surface-2: #ecefeb;
  --color-border: #cfd7d0;
  --color-divider: #dbe1db;
  --color-text: #2b3531;
  --color-text-strong: #1a221f;
  --color-text-muted: #5c6763;
  --color-text-faint: #949e99;
  --color-accent: #3f6b53;
  --color-accent-soft: #6d907c;
  --color-accent-glow: rgba(63, 107, 83, 0.1);
  --silver-1: #6a7378;
  --silver-2: #808b90;
  --silver-3: #97a1a5;
  --silver-grad: linear-gradient(180deg, #55606a 0%, #737e86 50%, #8d979d 100%);
  --shadow-lg: 0 24px 60px rgba(60, 70, 65, 0.18);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.7;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-weight: 400; }
p { text-wrap: pretty; max-width: 68ch; }

::selection { background: var(--color-accent-glow); color: var(--color-text-strong); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; border-radius: var(--radius-sm); }

a, button { transition: color var(--transition-interactive), background var(--transition-interactive),
  border-color var(--transition-interactive), opacity var(--transition-interactive); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

.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; }

/* ============================================================
   Utilities
   ============================================================ */
.wrap { width: min(100% - 2.5rem, var(--content-wide)); margin-inline: auto; }
.wrap-default { width: min(100% - 2.5rem, var(--content-default)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.5rem, var(--content-narrow)); margin-inline: auto; }

.silver-text {
  background: var(--silver-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section { padding-block: clamp(var(--space-20), 11vw, var(--space-32)); position: relative; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s ease, transform 1s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   Header
   ============================================================ */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  padding-block: var(--space-4);
  background: linear-gradient(180deg, color-mix(in oklab, var(--color-bg) 55%, transparent), transparent);
  transition: background var(--transition-interactive), backdrop-filter var(--transition-interactive), padding var(--transition-interactive), border-color var(--transition-interactive);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
  border-bottom-color: var(--color-border);
  padding-block: var(--space-3);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand__mark { width: 38px; height: 38px; color: var(--silver-1); flex-shrink: 0; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.14em;
  line-height: 1;
}
.nav { display: flex; align-items: center; gap: clamp(var(--space-5), 2.2vw, var(--space-10)); }
.nav__link {
  font-size: var(--text-sm); font-weight: 400; letter-spacing: 0.08em;
  color: var(--color-text); position: relative; padding-block: var(--space-1);
  text-shadow: 0 1px 8px rgba(0,0,0,0.35);
}
[data-theme='light'] .nav__link { text-shadow: 0 1px 8px rgba(255,255,255,0.6); }
.nav__link::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 1px;
  background: var(--color-accent); transition: width var(--transition-interactive);
}
.nav__link:hover, .nav__link[aria-current='page'] { color: var(--color-text-strong); }
.nav__link:hover::after, .nav__link[aria-current='page']::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: var(--space-4); }
.theme-toggle {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text-strong); border-color: var(--color-accent-soft); }

.nav-toggle { display: none; width: 40px; height: 40px; place-items: center; color: var(--color-text); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; min-height: 100svh;
  display: grid; place-items: center; text-align: center;
  padding-top: var(--space-24); padding-bottom: var(--space-16);
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover; background-position: center;
}
[data-theme='light'] .hero__bg { opacity: 0.9; filter: invert(1) hue-rotate(180deg) brightness(1.02) saturate(0.7); }
.hero__veil {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(120% 90% at 50% 8%, transparent 30%, var(--color-bg) 92%),
    linear-gradient(180deg, transparent 55%, var(--color-bg) 100%);
}
.hero__content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }

.hero__logo {
  width: clamp(200px, 34vw, 380px);
  filter: drop-shadow(0 0 50px rgba(150, 170, 185, 0.28));
  animation: floaty 9s ease-in-out infinite;
}
[data-theme='light'] .hero__logo { filter: drop-shadow(0 8px 30px rgba(60,70,65,0.25)) brightness(0.55) saturate(0.8); }
@keyframes floaty { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-12px);} }

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-top: var(--space-4);
  line-height: 0.95;
}
.hero__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  font-weight: 400;
}
.hero__sub {
  max-width: 46ch; margin-top: var(--space-6);
  color: var(--color-text-muted); font-size: var(--text-base);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; margin-top: var(--space-10); }

.hero__scroll {
  position: absolute; bottom: var(--space-8); left: 50%; transform: translateX(-50%);
  z-index: 2; color: var(--color-text-faint); font-size: var(--text-xs);
  letter-spacing: 0.3em; text-transform: uppercase; display: flex; flex-direction: column;
  align-items: center; gap: var(--space-2);
}
.hero__scroll span { width: 1px; height: 42px; background: linear-gradient(var(--color-accent-soft), transparent); animation: scrollpulse 2.4s ease-in-out infinite; }
@keyframes scrollpulse { 0%,100% { opacity: .3; transform: scaleY(.6);} 50% { opacity: 1; transform: scaleY(1);} }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 400; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 0.85rem 1.9rem; border-radius: var(--radius-full);
  border: 1px solid transparent; transition: all var(--transition-interactive);
}
.btn--primary {
  border-color: var(--color-accent-soft);
  color: var(--color-text-strong);
  background: color-mix(in oklab, var(--color-accent) 12%, transparent);
}
.btn--primary:hover { background: color-mix(in oklab, var(--color-accent) 22%, transparent); border-color: var(--color-accent); transform: translateY(-2px); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text-muted); }
.btn--ghost:hover { color: var(--color-text-strong); border-color: var(--color-text-muted); }

/* ============================================================
   Section headers
   ============================================================ */
.section-head { text-align: center; max-width: 62ch; margin-inline: auto; margin-bottom: var(--space-16); }
.section-head .eyebrow { display: block; margin-bottom: var(--space-4); }
.section-title { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; letter-spacing: 0.02em; }
.section-head p { margin: var(--space-5) auto 0; color: var(--color-text-muted); }

/* ---------- Ornamental divider ---------- */
.divider { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin-block: var(--space-4); }
.divider::before, .divider::after { content: ''; height: 1px; width: 64px; background: linear-gradient(90deg, transparent, var(--silver-3)); }
.divider::after { background: linear-gradient(90deg, var(--silver-3), transparent); }
.divider__gem { width: 8px; height: 8px; transform: rotate(45deg); border: 1px solid var(--silver-2); }

/* ============================================================
   Philosophy (intro) — asymmetric two-column
   ============================================================ */
.philo { background: var(--color-bg-2); border-block: 1px solid var(--color-divider); }
.philo__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(var(--space-10), 6vw, var(--space-24)); align-items: center; }
.philo__body .eyebrow { margin-bottom: var(--space-4); display: block; }
.philo__body h2 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; margin-bottom: var(--space-6); }
.philo__body p { color: var(--color-text-muted); margin-bottom: var(--space-5); }
.philo__body p strong { color: var(--color-text); font-weight: 400; }
.philo__quote {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-lg);
  color: var(--color-accent); border-left: 1px solid var(--color-accent-soft);
  padding-left: var(--space-5); margin-top: var(--space-8); max-width: 40ch;
}
.philo__visual { position: relative; display: grid; place-items: center; }
.philo__visual img { width: min(100%, 420px); transform: translateX(-14px); filter: drop-shadow(0 0 40px rgba(150,170,185,0.2)); }
[data-theme='light'] .philo__visual img { filter: brightness(0.5) saturate(0.85) drop-shadow(0 10px 30px rgba(60,70,65,0.2)); }
.philo__ring { position: absolute; width: min(92%, 460px); aspect-ratio: 1; border: 1px solid var(--color-border); border-radius: var(--radius-full); opacity: 0.55; }

/* ============================================================
   Roots — the knowledge domains (Wurzeln des Wissens)
   ============================================================ */
.roots { position: relative; }
.roots__bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('assets/section-bg.jpg'); background-size: cover; background-position: center;
  opacity: 0.5;
}
.roots__veil { position: absolute; inset: 0; background: linear-gradient(180deg, var(--color-bg) 0%, transparent 25%, transparent 75%, var(--color-bg) 100%); z-index: 1; }
.roots .wrap { position: relative; z-index: 2; }

.roots__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.root-card {
  background: color-mix(in oklab, var(--color-surface) 78%, transparent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  backdrop-filter: blur(6px);
  transition: transform var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive);
  position: relative; overflow: hidden;
}
.root-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity var(--transition-interactive);
  background: radial-gradient(120% 80% at 50% 0%, var(--color-accent-glow), transparent 60%);
}
.root-card:hover { transform: translateY(-6px); border-color: var(--color-accent-soft); }
.root-card:hover::before { opacity: 1; }
.root-card__icon { width: 34px; height: 34px; color: var(--color-accent); margin-bottom: var(--space-5); }
.root-card__num { font-family: var(--font-display); font-size: var(--text-sm); color: var(--color-text-faint); letter-spacing: 0.2em; }
.root-card h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; margin-block: var(--space-2) var(--space-3); }
.root-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============================================================
   Latest writings — editorial cards
   ============================================================ */
.writings__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-6); }
.article-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-8); background: var(--color-surface);
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-8);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
  min-height: 320px;
}
.article-card--feature { grid-row: span 1; background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface)); }
.article-card:hover { border-color: var(--color-accent-soft); transform: translateY(-4px); }
.article-card__meta { font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-accent); }
.article-card__meta time { color: var(--color-text-faint); }
.article-card h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; margin-block: var(--space-4) var(--space-3); }
.article-card--feature h3 { font-size: var(--text-2xl); }
.article-card p { font-size: var(--text-sm); color: var(--color-text-muted); }
.article-card__link { font-size: var(--text-sm); letter-spacing: 0.08em; color: var(--color-text); display: inline-flex; align-items: center; gap: var(--space-2); }
.article-card__link svg { transition: transform var(--transition-interactive); }
.article-card:hover .article-card__link svg { transform: translateX(4px); }
.article-card:hover .article-card__link { color: var(--color-accent); }

/* ============================================================
   Invitation / CTA band
   ============================================================ */
.invite { text-align: center; background: var(--color-bg-2); border-block: 1px solid var(--color-divider); }
.invite__mark { width: 56px; margin: 0 auto var(--space-6); color: var(--silver-2); }
.invite h2 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; margin-bottom: var(--space-5); }
.invite p { color: var(--color-text-muted); margin: 0 auto var(--space-10); }

/* ============================================================
   Interior page hero (Unterseiten)
   ============================================================ */
.page-hero {
  position: relative; padding-top: clamp(9rem, 16vh, 12rem); padding-bottom: clamp(var(--space-12), 8vw, var(--space-20));
  text-align: center; overflow: hidden; border-bottom: 1px solid var(--color-divider);
}
.page-hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('assets/section-bg.jpg'); background-size: cover; background-position: center;
  opacity: 0.55;
}
.page-hero__bg--home { background-image: url('assets/section-bg.jpg'); }
.page-hero__veil { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, color-mix(in oklab, var(--color-bg) 55%, transparent) 0%, transparent 40%, var(--color-bg) 100%); }
[data-theme='light'] .page-hero__bg { filter: invert(1) hue-rotate(180deg) brightness(1.05) saturate(0.6); }
.page-hero__content { position: relative; z-index: 2; }
.page-hero .eyebrow { display: block; margin-bottom: var(--space-5); }
.page-hero h1 { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 500; letter-spacing: 0.02em; }
.page-hero__lead { max-width: 54ch; margin: var(--space-6) auto 0; color: var(--color-text-muted); font-size: var(--text-lg); font-family: var(--font-display); font-style: italic; }

/* Prose / long-form */
.prose { max-width: 68ch; margin-inline: auto; }
.prose > * + * { margin-top: var(--space-6); }
.prose p { color: var(--color-text-muted); }
.prose h2 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; color: var(--color-text-strong); margin-top: var(--space-12); }
.prose h2 + p { margin-top: var(--space-5); }
.prose strong { color: var(--color-text); font-weight: 400; }
.prose .lead { font-size: var(--text-lg); color: var(--color-text); }
.prose blockquote {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-lg);
  color: var(--color-accent); border-left: 1px solid var(--color-accent-soft);
  padding-left: var(--space-6); margin-block: var(--space-10); max-width: 46ch;
}

/* Editable placeholder marker */
.tbd { color: var(--color-accent); border-bottom: 1px dashed var(--color-accent-soft); cursor: help; }

/* Values grid */
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.value-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-8); background: var(--color-surface);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.value-card:hover { border-color: var(--color-accent-soft); transform: translateY(-4px); }
.value-card__icon { width: 30px; height: 30px; color: var(--color-accent); margin-bottom: var(--space-4); }
.value-card h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; margin-bottom: var(--space-2); }
.value-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Timeline (Weg) */
.timeline { max-width: 60ch; margin-inline: auto; position: relative; padding-left: var(--space-8); }
.timeline::before { content: ''; position: absolute; left: 6px; top: 4px; bottom: 4px; width: 1px; background: linear-gradient(var(--color-accent-soft), transparent); }
.timeline__item { position: relative; padding-bottom: var(--space-10); }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before { content: ''; position: absolute; left: calc(-1 * var(--space-8) + 2px); top: 6px; width: 9px; height: 9px; transform: rotate(45deg); border: 1px solid var(--silver-2); background: var(--color-bg); }
.timeline__step { font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-accent); }
.timeline__item h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; margin-block: var(--space-2) var(--space-3); }
.timeline__item p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Topics chips */
.topics { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; max-width: 60ch; margin-inline: auto; }
.topic-chip {
  font-size: var(--text-sm); letter-spacing: 0.06em; color: var(--color-text-muted);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  padding: 0.5rem 1.2rem; transition: all var(--transition-interactive);
}
.topic-chip:hover { border-color: var(--color-accent-soft); color: var(--color-text-strong); }

/* ============================================================
   Blog / Beiträge overview
   ============================================================ */
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; margin-bottom: var(--space-16); }
.filter-chip {
  font-size: var(--text-sm); letter-spacing: 0.05em; color: var(--color-text-muted);
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  padding: 0.5rem 1.3rem; transition: all var(--transition-interactive);
}
.filter-chip:hover { border-color: var(--color-accent-soft); color: var(--color-text-strong); }
.filter-chip[aria-pressed='true'] { border-color: var(--color-accent); color: var(--color-text-strong); background: var(--color-accent-glow); }

/* Featured post */
.feature-post {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface));
  margin-bottom: var(--space-12); transition: border-color var(--transition-interactive);
}
.feature-post:hover { border-color: var(--color-accent-soft); }
.feature-post__media { position: relative; min-height: 340px; background: #0a0f0d; overflow: hidden; }
.feature-post__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; transition: transform 1.2s cubic-bezier(0.16,1,0.3,1); }
.feature-post:hover .feature-post__media img { transform: scale(1.04); }
.feature-post__body { padding: clamp(var(--space-8), 4vw, var(--space-16)); display: flex; flex-direction: column; justify-content: center; }
.feature-post__tag { font-size: var(--text-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-accent); }
.feature-post__body h2 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; margin-block: var(--space-4) var(--space-4); }
.feature-post__body p { color: var(--color-text-muted); margin-bottom: var(--space-6); }
.feature-post__meta { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: 0.12em; }

/* Blog grid */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.post-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--color-surface); display: flex; flex-direction: column;
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.post-card:hover { border-color: var(--color-accent-soft); transform: translateY(-4px); }
.post-card__media { aspect-ratio: 16/10; overflow: hidden; background: #0a0f0d; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.88; transition: transform 1s cubic-bezier(0.16,1,0.3,1); }
.post-card:hover .post-card__media img { transform: scale(1.05); }
.post-card__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.post-card__tag { font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-accent); }
.post-card h3 { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; }
.post-card p { font-size: var(--text-sm); color: var(--color-text-muted); flex: 1; }
.post-card__meta { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: 0.1em; margin-top: auto; }

/* ============================================================
   Kontakt
   ============================================================ */
.contact { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(var(--space-10), 5vw, var(--space-20)); align-items: start; }
.contact__intro h2 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 500; margin-bottom: var(--space-5); }
.contact__intro p { color: var(--color-text-muted); margin-bottom: var(--space-8); }
.contact__list { display: flex; flex-direction: column; gap: var(--space-5); }
.contact__item { display: flex; gap: var(--space-4); align-items: flex-start; }
.contact__item svg { color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }
.contact__item h4 { font-size: var(--text-sm); letter-spacing: 0.08em; color: var(--color-text-strong); margin-bottom: 2px; }
.contact__item p, .contact__item a { font-size: var(--text-sm); color: var(--color-text-muted); }
.contact__item a:hover { color: var(--color-text-strong); }

/* Form */
.form-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface));
  padding: clamp(var(--space-8), 4vw, var(--space-12));
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-6); }
.field label { font-size: var(--text-sm); letter-spacing: 0.04em; color: var(--color-text); }
.field input, .field textarea, .field select {
  font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-strong);
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 0.85rem 1rem; width: 100%;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.field textarea { resize: vertical; min-height: 140px; }
.field input::placeholder, .field textarea::placeholder { color: var(--color-text-faint); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-glow);
}
.form-card .btn { width: 100%; justify-content: center; margin-top: var(--space-2); }
.form-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-5); text-align: center; line-height: 1.6; }
.form-success { display: none; text-align: center; padding: var(--space-8) 0; }
.form-success svg { color: var(--color-accent); margin-bottom: var(--space-4); }
.form-success h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 500; margin-bottom: var(--space-3); }
.form-success p { color: var(--color-text-muted); }

/* ============================================================
   Footer
   ============================================================ */
.footer { padding-block: var(--space-16) var(--space-10); border-top: 1px solid var(--color-divider); background: var(--color-bg); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--space-10); margin-bottom: var(--space-12); }
.footer__brand .brand { margin-bottom: var(--space-4); }
.footer__brand p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 34ch; }
.footer__col h4 { font-size: var(--text-xs); letter-spacing: 0.24em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-5); }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer__col a:hover { color: var(--color-text-strong); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding-top: var(--space-8); border-top: 1px solid var(--color-divider); font-size: var(--text-xs); color: var(--color-text-faint); flex-wrap: wrap; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .philo__grid { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .philo__visual { order: -1; }
  .roots__grid { grid-template-columns: repeat(2, 1fr); }
  .writings__grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-post { grid-template-columns: 1fr; }
  .feature-post__media { min-height: 220px; }
  .feature-post__body { order: 2; }
  .contact { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column; position: fixed; inset: 0 0 auto 0; top: 64px;
    background: color-mix(in oklab, var(--color-bg) 96%, transparent); backdrop-filter: blur(16px);
    padding: var(--space-8); gap: var(--space-6); border-bottom: 1px solid var(--color-border);
  }
  .nav-toggle { display: grid; }
  .roots__grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}