/* ==========================================================================
   WATT'S UP HEIKO — Stylesheet
   Mobile-first, keine Frameworks, keine Build-Tools.
   ========================================================================== */

:root {
  --color-bg: #0b0f14;
  --color-bg-alt: #121820;
  --color-surface: #171f29;
  --color-border: #263140;
  --color-text: #eaf0f6;
  --color-text-muted: #9fb0c0;
  --color-accent: #a91d19;
  --color-accent-dark: #7f1512;
  --color-accent-contrast: #fff8f7;
  --color-link: #7fd8ff;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1120px;
  --radius: 14px;
  --radius-sm: 8px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --header-height: 68px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-link); text-decoration: none; }
.accent-link { color: var(--color-accent); font-weight: 600; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0 0 var(--space-2); }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}
section { scroll-margin-top: var(--header-height); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-card {
  width: 100%;
  justify-content: center;
  background: var(--color-bg-alt);
  border-color: var(--color-border);
  color: var(--color-text);
  margin-top: var(--space-2);
}
.btn-card:hover { background: var(--color-accent); color: var(--color-accent-contrast); border-color: var(--color-accent); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #fff;
  padding: 3px;
  box-sizing: border-box;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-bg);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}
.main-nav.is-open { transform: translateX(0); }
.main-nav ul {
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
  gap: var(--space_1, 0.25rem);
}
.main-nav a {
  display: inline-block;
  padding: var(--space-2) 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.15s ease;
  transform-origin: left center;
}
.main-nav a:hover,
.main-nav a.is-active { transform: scale(1.08); }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .main-nav {
    position: static;
    inset: auto;
    transform: none;
    background: none;
    overflow: visible;
  }
  .main-nav ul { flex-direction: row; padding: 0; gap: var(--space-4); }
  .main-nav a { padding: 0; border-bottom: none; font-size: 0.95rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 20, 0.55) 0%, rgba(11, 15, 20, 0.35) 45%, rgba(11, 15, 20, 0.9) 100%);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  text-align: center;
  padding: 1.25rem var(--space-3) var(--space-6);
}
.hero h1 {
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.hero .lead {
  color: var(--color-text-muted);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  max-width: none;
  margin: 0 auto var(--space-3);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

@media (min-width: 900px) {
  .hero { min-height: 720px; }
}

/* ---------- Section headings ---------- */
.section {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
}
.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-4);
}
.section-eyebrow {
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  display: block;
  margin-bottom: var(--space-1);
}
.section h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
.section-head p { color: var(--color-text-muted); }

/* ---------- About ---------- */
#ueber-mich {
  position: relative;
  overflow: hidden;
}
#ueber-mich::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 500px;
  background: radial-gradient(circle, rgba(169, 29, 25, 0.18), transparent 70%);
  pointer-events: none;
}
.about-grid {
  position: relative;
  display: grid;
  gap: var(--space-4);
  align-items: center;
}
.about-photo img {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.about-text p { color: var(--color-text-muted); }

@media (min-width: 800px) {
  .about-grid { grid-template-columns: 320px 1fr; }
}

/* ---------- Offer cards ---------- */
.offer-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.offer-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.offer-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.offer-card-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.offer-card .offer-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(169, 29, 25, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-2);
}
.offer-card h3 { font-size: 1.15rem; }
.offer-card p { color: var(--color-text-muted); font-size: 0.95rem; flex-grow: 1; }

/* ---------- Blog teaser ---------- */
.blog-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease;
}
.blog-card:hover { border-color: var(--color-accent); }
.blog-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.blog-card .blog-card-body { padding: var(--space-3); }
.blog-card time {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.blog-card h3 { margin-top: var(--space-1); font-size: 1.1rem; color: var(--color-accent); }
.blog-card p { color: var(--color-text-muted); font-size: 0.95rem; }
.blog-card .read-more { color: var(--color-accent); font-weight: 600; font-size: 0.9rem; }

/* ---------- TikTok ---------- */
.tiktok-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.tiktok-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: center;
}
.tiktok-embed-wrap {
  justify-self: center;
  width: 100%;
  max-width: 340px;
  min-height: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.tiktok-text h3 { font-size: 1.2rem; }
.tiktok-text p { color: var(--color-text-muted); }
.tiktok-text .read-more { display: inline-block; margin-top: var(--space-1); color: var(--color-accent); font-weight: 600; font-size: 0.9rem; }

@media (min-width: 800px) {
  .tiktok-item { grid-template-columns: 340px 1fr; }
  .tiktok-item-reverse { grid-template-columns: 1fr 340px; }
  .tiktok-item-reverse .tiktok-embed-wrap { order: 2; }
  .tiktok-item-reverse .tiktok-text { order: 1; }
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-links { display: flex; gap: var(--space-3); }
.footer-links a { color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-accent); }

@media (min-width: 700px) {
  .site-footer .container { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ---------- Article page (blog posts) ---------- */
.article {
  padding: var(--space-5) 0;
  max-width: 72ch;
  margin: 0 auto;
}
.article .container { padding: 0; }
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.article h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); }
.article-meta { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: var(--space-3); }
.article-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
}
.article-body p { color: var(--color-text-muted); }
.article-body h2 { color: var(--color-text); font-size: 1.3rem; margin-top: var(--space-4); }
.article-cta {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* ---------- Legal pages ---------- */
.legal {
  padding: var(--space-5) 0;
  max-width: 72ch;
  margin: 0 auto;
}
.legal .container { padding: 0; }
.legal h1 { font-size: 1.8rem; }
.legal h2 { font-size: 1.15rem; margin-top: var(--space-3); }
.legal p { color: var(--color-text-muted); }
.legal .placeholder { color: #f0b93d; }