/* ─── House of IKKI — Design Tokens (per Mini Styleguide) ───────
   Farben: Carbon Black #212427, White #FFFFFF, Grau hell #DFE1E2,
   Grau dunkel #9EA3A8, Celadon #A8DCAB (Akzent, sparsam), Umbra
   #635147 (nur in Bildwelt/Atmosphäre, nie im UI).
   Typografie: Aileron (Fließtext/Headlines), M PLUS 1 Code (Labels/
   Akzente/technische Angaben). Logo nur in Carbon Black, Weiß, Grau.
──────────────────────────────────────────────────────────────── */
:root {
  --carbon: #212427;
  --carbon-soft: rgba(33, 36, 39, 0.64);
  --carbon-faint: rgba(33, 36, 39, 0.4);
  --line: rgba(33, 36, 39, 0.12);
  --white: #ffffff;
  --grey-light: #dfe1e2;
  --grey-dark: #9ea3a8;
  --celadon: #a8dcab;
  --umbra: #635147;

  --sans: 'Aileron', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'M PLUS 1 Code', 'SFMono-Regular', Consolas, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1180px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--white);
  color: var(--carbon);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

/* ─── Reveal-on-scroll ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible > * {
  transition-delay: calc(var(--i, 0) * 90ms);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ─── Header ─────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
header.scrolled {
  border-bottom-color: var(--line);
}

/* Logo: offizielle Vektor-Wortmarke aus Logo Files.zip, nur in
   Carbon Black / Weiß / Grau (nie Celadon/Umbra) laut Styleguide. */
.logo-block { display: flex; }
.logo-img { height: 36px; width: auto; display: block; }

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.2vw, 2.2rem);
}
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--carbon-soft);
  transition: color 0.25s var(--ease);
}
.nav-links a:hover { color: var(--carbon); }

.nav-links { display: flex; gap: clamp(1.1rem, 2.2vw, 2rem); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  border: 1px solid var(--carbon);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease), filter 0.3s var(--ease);
  white-space: nowrap;
}
.btn-solid {
  background: var(--carbon);
  color: var(--white);
}
.btn-solid:hover { background: var(--celadon); border-color: var(--celadon); color: var(--carbon); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--carbon);
}
.btn-outline:hover { background: var(--carbon); color: var(--white); transform: translateY(-1px); }
.btn-sm { padding: 0.6rem 1.15rem; font-size: 0.75rem; }

.header-instagram {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--carbon-soft);
}
.header-instagram:hover { color: var(--carbon); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--carbon);
  margin: 5px 0;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 6vw, 5rem);
  max-width: var(--container);
  margin: 0 auto;
}

/* Eyebrow / label text = M PLUS 1 Code, per Styleguide für
   "Labels, Hervorhebungen und technische Angaben". */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--carbon-soft);
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--celadon);
}

.hero h1 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 1.4rem;
}
.hero h1 em { font-style: italic; font-weight: 400; color: var(--carbon); }

.hero-sub {
  font-size: 1.02rem;
  color: var(--carbon-soft);
  max-width: 34rem;
  margin: 0 0 2.2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.4rem;
}

.hero-meta {
  display: flex;
  gap: clamp(1.2rem, 3vw, 2rem);
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--carbon-soft);
}
.hero-meta-item a { color: var(--carbon-soft); transition: color 0.25s var(--ease); }
.hero-meta-item a:hover { color: var(--carbon); }
.location-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--celadon);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

/* ─── Real photos ─────────────────────────────────────────────── */
.photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ─── Placeholder image blocks ───────────────────────────────── */
/* Umbra ist laut Styleguide "nur in Bildwelt / Atmosphäre, nicht im
   UI" — genau dafür sind diese Bildplatzhalter da. */
.ph {
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(155deg, var(--umbra) 0%, var(--grey-dark) 55%, var(--grey-light) 100%);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.ph::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 14px);
}
.ph-label {
  position: relative;
  margin: 1.1rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  font-family: var(--mono);
  color: var(--carbon-soft);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ─── Section shell ──────────────────────────────────────────── */
section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.section-head {
  max-width: 42rem;
  margin: 0 0 clamp(2.2rem, 5vw, 3.5rem);
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.15;
  margin: 0.6rem 0 0.9rem;
}
.section-head p {
  color: var(--carbon-soft);
  font-size: 1rem;
}

/* ─── Über uns ───────────────────────────────────────────────── */
.about {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about-copy p {
  font-size: 1.02rem;
  color: var(--carbon-soft);
  margin: 0 0 1.2rem;
}
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { font-weight: 600; color: var(--carbon); }
.about-visual { border-radius: 20px; overflow: hidden; aspect-ratio: 5 / 4; }

/* ─── Kursangebot ────────────────────────────────────────────── */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.class-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.8rem 1.7rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.class-card:hover {
  transform: translateY(-4px);
  border-color: var(--celadon);
  box-shadow: 0 18px 38px -22px rgba(33, 36, 39, 0.28);
}
.class-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.class-card h3 {
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
}
.class-tag {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--carbon);
  background: var(--celadon);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
.class-card p {
  margin: 0;
  color: var(--carbon-soft);
  font-size: 0.92rem;
  flex-grow: 1;
}
.class-card-link {
  font-family: var(--mono);
  font-size: 0.76rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--carbon);
  margin-top: 0.2rem;
}
.class-card-link .arrow { transition: transform 0.3s var(--ease); }
.class-card:hover .class-card-link .arrow { transform: translateX(4px); }

.classes-footnote {
  margin-top: 2.2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--carbon-faint);
  text-align: center;
}
.classes-footnote a { color: var(--carbon); text-decoration: underline; text-decoration-color: var(--celadon); text-underline-offset: 3px; }

/* ─── Schedule (Eversports widget) ───────────────────────────── */
.schedule-widget {
  min-height: 20rem;
  border-radius: 20px;
  overflow: hidden;
}

/* ─── Rotlicht / Luminous Labs ───────────────────────────────── */
.redlight {
  background: var(--carbon);
  color: var(--white);
  border-radius: 28px;
  margin: 0 clamp(1.25rem, 4vw, 3rem);
  padding: clamp(2.6rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.redlight .eyebrow { color: var(--celadon); }
.redlight .eyebrow::before { background: var(--celadon); }
.redlight h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  line-height: 1.15;
  margin: 0.6rem 0 1.1rem;
}
.redlight p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1rem;
  margin: 0 0 1.8rem;
  max-width: 32rem;
}
.redlight .btn-outline {
  border-color: var(--white);
  color: var(--white);
}
.redlight .btn-outline:hover { background: var(--celadon); border-color: var(--celadon); color: var(--carbon); }
.redlight-visual {
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.redlight-visual .ph {
  /* Rotlicht-Bildwelt: warmer Ton, ergänzt um Umbra als atmosphärische Basis */
  background: linear-gradient(155deg, #d67a5c 0%, var(--umbra) 55%, var(--carbon) 100%);
}
.redlight-visual .ph-label {
  background: rgba(33, 36, 39, 0.5);
  color: var(--white);
}

/* ─── Galerie ─────────────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
}
.gallery-grid .ph, .gallery-grid .photo {
  border-radius: 16px;
  aspect-ratio: 4 / 5;
  height: auto;
}

.partner-note {
  margin-top: clamp(2.2rem, 5vw, 3.2rem);
  padding-top: clamp(2.2rem, 5vw, 3.2rem);
  border-top: 1px solid var(--line);
  max-width: 38rem;
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
}
.partner-note-img {
  width: 84px;
  height: 84px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
}
.partner-note-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--carbon-faint);
  margin-bottom: 0.6rem;
}
.partner-note h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.3rem;
  margin: 0 0 0.6rem;
}
.partner-note p { margin: 0; color: var(--carbon-soft); font-size: 0.95rem; }

/* ─── Manifesto ──────────────────────────────────────────────── */
.manifesto {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.manifesto-name {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--carbon-soft);
  margin: 0;
}
.manifesto-name em { font-style: italic; color: var(--carbon); }
.manifesto-statement {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.25;
  color: var(--carbon);
  margin: 0.3rem 0;
}
.manifesto-line {
  font-size: 1.1rem;
  color: var(--carbon-soft);
  margin: 0;
}
.manifesto-line strong { color: var(--carbon); font-weight: 600; }
.manifesto-welcome {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--carbon);
  margin: 0.4rem 0 0;
}
/* ─── Preise ──────────────────────────────────────────────────── */
/* Celadon ist laut Styleguide "sparsam" einzusetzen — daher hier als
   Rahmen/Akzent statt als volle Fläche, Basis bleibt Grau hell. */
.pricing {
  background: var(--grey-light);
  border: 1px solid var(--celadon);
  border-radius: 28px;
  margin: 0 clamp(1.25rem, 4vw, 3rem);
  padding: clamp(2.6rem, 6vw, 4rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.pricing-copy h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  margin: 0 0 0.6rem;
}
.pricing-copy p { margin: 0; color: var(--carbon-soft); max-width: 30rem; }
.pricing-figures {
  display: flex;
  gap: clamp(1.6rem, 4vw, 3rem);
  flex-wrap: wrap;
}
.pricing-figure { text-align: left; max-width: 15rem; }
.pricing-figure .amount {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.25;
  display: block;
}
.pricing-figure .label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--carbon-soft);
}
.pricing .btn-solid { flex-shrink: 0; }

/* ─── Standort ────────────────────────────────────────────────── */
.location {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.location-visual { border-radius: 20px; overflow: hidden; aspect-ratio: 5 / 4; }
.location-intro { color: var(--carbon-soft); font-size: 1rem; margin: 0.9rem 0 0; max-width: 32rem; }
.location-intro strong { color: var(--carbon); font-weight: 600; }
.location-list { list-style: none; margin: 1.6rem 0 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.location-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  color: var(--carbon-soft);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.location-list li:last-child { border-bottom: none; padding-bottom: 0; }
.location-list strong { color: var(--carbon); font-weight: 600; }
.location-list a { color: var(--carbon); text-decoration: underline; text-decoration-color: var(--celadon); text-underline-offset: 3px; }

/* ─── Footer / Newsletter ────────────────────────────────────── */
footer {
  background: var(--carbon);
  color: rgba(255, 255, 255, 0.7);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
  margin-top: clamp(3.5rem, 7vw, 6.5rem);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 4rem);
  padding-bottom: 2.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-logo-img {
  height: 32px;
  width: auto;
  margin: 0 0 1rem;
}
.footer-top p {
  max-width: 26rem;
  font-size: 0.92rem;
  margin: 0;
}
.newsletter-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.9rem;
}
.notify-row { display: flex; gap: 0.6rem; }
.notify-input {
  flex: 1;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-family: var(--sans);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.3s var(--ease);
}
.notify-input::placeholder { color: rgba(255, 255, 255, 0.4); }
.notify-input:focus { border-color: var(--celadon); }
.notify-btn {
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--celadon);
  background: var(--celadon);
  color: var(--carbon);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
  white-space: nowrap;
}
.notify-btn:hover { background: var(--white); border-color: var(--white); transform: translateY(-1px); }
.notify-btn:disabled { opacity: 0.6; cursor: default; }
.notify-note, .notify-success, .notify-error {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.45);
}
.notify-success, .notify-error { display: none; }
.notify-success { color: var(--celadon); }
.notify-error { color: #e39a8a; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.76rem;
}
.footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-links a:hover { color: var(--white); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .main-nav { position: relative; }
  .main-nav .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    position: absolute;
    top: calc(100% + 1rem);
    right: 0;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.4rem 1.6rem;
    box-shadow: 0 18px 38px -22px rgba(33, 36, 39, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .main-nav.nav-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .header-instagram { display: none; }
  .nav-toggle { display: block; }
  .hero { grid-template-columns: 1fr; }
  .hero-visual { order: -1; aspect-ratio: 16 / 11; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .redlight { grid-template-columns: 1fr; }
  .redlight-visual { order: -1; }
  .location { grid-template-columns: 1fr; }
  .location-visual { order: -1; }
  .footer-top { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .notify-row { flex-direction: column; }
  .hero-meta { gap: 1.4rem; }
}