:root {
  --bg: #c8f0ec;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --text: #111318;
  --muted: #55606f;
  --line: rgba(17, 19, 24, 0.1);
  --accent: #0f00b8;
  --shadow: 0 24px 70px rgba(25, 36, 61, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(46, 166, 191, 0.18), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.5), transparent 22%),
    linear-gradient(180deg, #daf8f3 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(17, 19, 24, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 19, 24, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 90%);
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 16px auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.site-header,
.site-nav,
.hero-meta,
.about-grid,
.contact-actions {
  display: grid;
  gap: 18px;
}

.site-header {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.brand,
.site-nav a,
.button {
  text-decoration: none;
  color: inherit;
}

.brand {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav {
  grid-auto-flow: column;
  gap: 18px;
}

.site-nav a,
.eyebrow,
.meta-label,
.project-topline {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--muted);
}

.banner-section {
  position: relative;
  width: 100%;
  margin: 24px 0 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #d8e2ea;
  box-shadow: var(--shadow);
}

.banner-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(17, 19, 24, 0.1));
  pointer-events: none;
}

.banner-video {
  display: block;
  width: 100%;
  height: clamp(320px, 58vw, 680px);
  object-fit: cover;
}

.hero,
.about-section,
.projects-section,
.contact-section {
  padding: 48px 0;
}

.hero h1,
.section-heading h2,
.contact-section h2 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 7vw, 5.75rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.eyebrow,
.meta-label {
  margin: 0 0 12px;
  color: var(--accent);
}

.hero-copy,
.about-grid p,
.hero-meta p,
.project-copy h3 {
  margin: 0;
}

.hero-copy,
.about-grid p,
.hero-meta p,
.contact-section h2 {
  max-width: 66ch;
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy {
  margin-top: 22px;
  font-size: 1.05rem;
}

.hero-meta,
.about-grid {
  margin-top: 30px;
}

.hero-meta {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-meta div,
.about-grid p,
.contact-section {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  max-width: 12ch;
}

.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-scape {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.2rem;
  margin-top: 14px;
  padding: 0.75rem 0.25rem 4rem;
}

.project-scape::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 42px;
  background:
    radial-gradient(circle at 15% 22%, rgba(104, 191, 213, 0.42), transparent 30%),
    radial-gradient(circle at 78% 35%, rgba(146, 225, 224, 0.44), transparent 24%),
    radial-gradient(circle at 50% 82%, rgba(255, 255, 255, 0.7), transparent 34%),
    linear-gradient(180deg, rgba(221, 250, 247, 0.98), rgba(190, 239, 234, 0.92));
  box-shadow: inset 0 0 0 1px rgba(17, 19, 24, 0.04);
  pointer-events: none;
}

.project-ring {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  grid-column: var(--col-start) / span var(--col-span);
  width: min(84vw, var(--size));
  justify-self: center;
  text-decoration: none;
  transform: translate(var(--shift-x), var(--shift-y)) rotate(var(--tilt));
  transform-origin: center center;
  transition: transform 320ms cubic-bezier(0.22, 0.7, 0.2, 1), filter 320ms ease, z-index 120ms linear;
}

.project-ring:hover {
  z-index: 10;
  transform: translate(var(--shift-x), calc(var(--shift-y) - 10px)) scale(1.045) rotate(calc(var(--tilt) + 1deg));
  filter: saturate(1.04) brightness(1.01);
}

.project-ring:hover .ring-frame {
  filter: drop-shadow(0 26px 28px rgba(31, 50, 89, 0.22));
}

.project-ring:hover .ring-core {
  box-shadow:
    inset 0 0 0 1px rgba(17, 19, 24, 0.05),
    0 18px 34px rgba(25, 36, 61, 0.16);
}

.ring-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
}

.ring-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 49%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  overflow: hidden;
  background: #c9d7e5;
  box-shadow:
    inset 0 0 0 1px rgba(17, 19, 24, 0.06),
    0 14px 34px rgba(25, 36, 61, 0.12);
}

.ring-core img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ring-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 22px 24px rgba(31, 50, 89, 0.18));
  pointer-events: none;
}

.ring-label {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
}

.ring-label path {
  fill: none;
}

.ring-title-text,
.ring-year-text {
  fill: var(--text);
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.ring-title-text {
  font-size: 4px;
}

.ring-year-text {
  font-size: 3.3px;
  fill: rgba(15, 23, 42, 0.72);
}

.contact-section h2 {
  margin-top: 0;
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  color: var(--text);
}

.legal-card,
.legal-note {
  max-width: 760px;
}

.legal-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.legal-card p,
.legal-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.legal-card p + p,
.legal-note {
  margin-top: 10px;
}

.contact-actions {
  grid-auto-flow: column;
  justify-content: start;
  margin-top: 22px;
}

.site-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.impressum-link {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(85, 96, 111, 0.74);
  text-decoration: none;
  transition: color 180ms ease;
}

.impressum-link:hover {
  color: var(--muted);
}

.page-shell-legal {
  width: min(860px, calc(100% - 32px));
}

.legal-header {
  margin-bottom: 26px;
}

.legal-page-main {
  padding: 12px 0 4px;
}

.legal-page-section {
  padding: 24px 0 40px;
}

.legal-page-section h1 {
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
}

.button-secondary {
  border: 1px solid var(--line);
  background: transparent;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .about-grid,
  .hero-meta {
    grid-template-columns: 1fr 1fr;
  }

  .project-scape {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.35rem;
    padding-bottom: 2.5rem;
  }

  .project-ring {
    grid-column: span 3;
    width: min(100%, 20rem);
    transform: translate(0, 0) rotate(var(--tilt));
  }
}

@media (max-width: 720px) {
  .site-header,
  .about-grid,
  .hero-meta {
    grid-template-columns: 1fr;
  }

  .site-nav,
  .contact-actions {
    grid-auto-flow: row;
  }

  .banner-section {
    margin-top: 20px;
    border-radius: 20px;
  }

  .banner-video {
    height: clamp(240px, 68vw, 420px);
  }

  .site-footer {
    justify-content: flex-start;
  }

  .page-shell {
    width: min(100% - 20px, 1200px);
    padding: 18px;
    border-radius: 20px;
  }

  .project-scape {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 0.5rem 0 2rem;
  }

  .project-scape::before {
    inset: 0;
  }

  .project-ring {
    grid-column: auto;
    width: min(100%, 19rem);
    transform: none;
  }

  .project-ring:hover {
    transform: translateY(-6px);
  }

  .hero,
  .about-section,
  .projects-section,
  .contact-section,
  .legal-section {
    padding: 34px 0;
  }
}