/* ==========================================================================
   mmco.at — Manfred Mavec
   Light and neutral, close to the original site: white paper, grey ink.
   ========================================================================== */

:root {
  color-scheme: light;

  --paper: #ffffff;
  --paper-2: #f7f7f7;
  --stone: #eeeeee;
  --line: #e2e2e2;
  --ink: #222222;
  --ink-soft: #444444;
  --muted: #767676;
  --accent: #000000;
  --accent-soft: #bbbbbb;
  --header-bg: rgb(255 255 255 / 0.78);
  --header-bg-solid: rgb(255 255 255 / 0.92);

  /* text and logo on top of the hero photo */
  --hero-ink: #222222;
  --hero-ink-soft: #444444;
  --hero-paper: 255 255 255;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", P052, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --container: 72rem;
  --narrow: 44rem;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --header-h: 4.5rem;
  --section-y: clamp(5.5rem, 12vw, 10rem);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 0.98rem + 0.3vw, 1.1875rem);
  line-height: 1.7;
  font-variant-numeric: oldstyle-nums proportional-nums;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; height: auto; }

p { margin: 0 0 1em; overflow-wrap: break-word; }

/* hyphenate only where the measure gets tight */
@media (max-width: 40rem) {
  p { hyphens: auto; -webkit-hyphenate-limit-before: 4; -webkit-hyphenate-limit-after: 4; hyphenate-limit-chars: 10 4 4; }
}
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease);
}
a:hover { color: var(--accent); text-decoration-color: currentColor; }
p a { hyphens: none; overflow-wrap: anywhere; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: color-mix(in srgb, var(--accent-soft) 35%, transparent); }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--narrow) + 2 * var(--gutter)); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 999px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; color: var(--paper); }

.eyebrow {
  margin: 0 0 2rem;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-title {
  margin: 0 0 2.5rem;
  font-family: var(--serif);
  font-size: clamp(2.25rem, 1.6rem + 2.6vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.section { padding-block: var(--section-y); }

/* --------------------------------------------------------------------------
   Logo — the original mmco artwork
   -------------------------------------------------------------------------- */

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border-radius: 4px;
}

.logo {
  display: block;
  width: auto;
  height: 2.6rem;
  max-width: none;
}
.brand .logo { transition: opacity 0.3s var(--ease); }
.brand:hover .logo { opacity: 0.7; }

.brand--small .logo { height: 1.75rem; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.site-header:has(.site-nav.is-open) { background: var(--paper); }

/* on the home page the header logo waits until the big hero logo has scrolled away */
.site-header[data-header="hero"] .brand {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}
.site-header[data-header="hero"].show-brand .brand,
html:not(.js) .site-header .brand {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s var(--ease);
}

.site-header.is-scrolled {
  background: var(--header-bg-solid);
  border-bottom-color: color-mix(in srgb, var(--line) 70%, transparent);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-nav ul {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.75rem);
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav a {
  position: relative;
  display: inline-block;
  padding-block: 0.5rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.2rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.site-nav a:hover,
.site-nav a.is-active { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }

.nav-toggle { display: none; }

@media (max-width: 40rem) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border: 0;
    background: none;
    color: var(--ink);
    font-family: var(--sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .nav-toggle__icon {
    position: relative;
    width: 1.25rem;
    height: 0.5rem;
  }
  .nav-toggle__icon::before,
  .nav-toggle__icon::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1.5px;
    background: currentColor;
    transition: transform 0.35s var(--ease), top 0.35s var(--ease);
  }
  .nav-toggle__icon::before { top: 0; }
  .nav-toggle__icon::after { top: calc(100% - 1.5px); }
  .nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { top: calc(50% - 0.75px); transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { top: calc(50% - 0.75px); transform: rotate(-45deg); }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.5rem var(--gutter) 1.75rem;
    /* solid: a backdrop-filter nested in the blurred header would not blur */
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1.5rem 2rem -1.5rem rgb(0 0 0 / 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0s linear 0.3s;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li + li { border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
  .site-nav a {
    display: block;
    padding-block: 1rem;
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
  }
  .site-nav a::after { display: none; }

  /* without JS the menu simply stays visible */
  html:not(.js) .nav-toggle { display: none; }
  html:not(.js) .site-nav { position: static; opacity: 1; visibility: visible; transform: none; padding: 0; background: none; border: 0; }
  html:not(.js) .site-nav ul { flex-direction: row; gap: 1rem; }
  html:not(.js) .site-nav li + li { border: 0; }
  html:not(.js) .site-nav a { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; }
}

/* --------------------------------------------------------------------------
   Hero — the whole 16:9 photo, as wide as the window
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  display: grid;
  align-items: center;
  margin-top: var(--header-h);
  height: min(56.25vw, calc(100vh - var(--header-h)));
  height: min(56.25vw, calc(100svh - var(--header-h)));
  min-height: 26rem;
  overflow: hidden;
  isolation: isolate;
  color: var(--hero-ink);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
/* soft white fade into the page */
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgb(255 255 255 / 0) 86%,
    rgb(255 255 255 / 0.35) 93%,
    #fff 100%);
  pointer-events: none;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 75%;
}

.hero__content { padding-block: 2.5rem; }

.logo--hero {
  height: clamp(4rem, 1.5rem + 5vw, 7rem);
  margin-bottom: clamp(1.25rem, 3vw, 2.5rem);
}

.hero__title {
  margin: 0;
  max-width: 10ch;
  font-family: var(--serif);
  font-size: clamp(2.75rem, 1rem + 5.4vw, 6.25rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.hero__tagline {
  margin: 1.25rem 0 0;
  font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.5rem);
  font-style: italic;
  color: var(--hero-ink-soft);
}

/* scroll cue: a quiet white ring that pulses */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 13%;
  width: 2.75rem;
  height: 2.75rem;
  translate: -50% 0;
  display: grid;
  place-items: center;
  border: 1.5px solid rgb(255 255 255 / 0.9);
  border-radius: 50%;
  color: #fff;
  filter: drop-shadow(0 1px 5px rgb(0 0 0 / 0.22));
  transition: background-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.hero__scroll:hover { background: rgb(255 255 255 / 0.2); transform: translateY(2px); }
.hero__scroll::before {
  content: "";
  position: absolute;
  inset: -1.5px;
  border: 1.5px solid rgb(255 255 255 / 0.85);
  border-radius: 50%;
  animation: pulse 2.8s var(--ease) infinite;
}
.hero__scroll span {
  width: 0.5rem;
  height: 0.5rem;
  margin-top: -0.2rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  rotate: 45deg;
  animation: nudge 2.8s var(--ease) infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  70%, 100% { transform: scale(1.8); opacity: 0; }
}
@keyframes nudge {
  0%, 100% { translate: 0 0; }
  45% { translate: 0 3px; }
}

/* phones: full photo on top, logo and name below on white */
@media (max-width: 40rem) {
  .hero {
    display: block;
    height: auto;
    min-height: 0;
    overflow: visible;
    color: var(--ink);
  }
  .hero__media { position: relative; aspect-ratio: 16 / 9; }
  .hero__content { padding-block: 2.25rem 0; }
  .logo--hero { height: 3.75rem; }
  .hero__tagline { color: var(--ink-soft); }
  .hero__scroll { display: none; }
}

/* --------------------------------------------------------------------------
   Basis (motto)
   -------------------------------------------------------------------------- */

.basis { text-align: center; }
.basis .eyebrow { margin-bottom: 2.75rem; }
.basis .eyebrow::after {
  content: "";
  display: block;
  width: 1px;
  height: 2.75rem;
  margin: 1.5rem auto 0;
  background: var(--accent-soft);
}

.motto { margin: 0; }
.motto p {
  margin: 0;
  font-size: clamp(2rem, 1.2rem + 3.6vw, 3.75rem);
  font-style: italic;
  line-height: 1.18;
  letter-spacing: -0.01em;
  hyphens: none;
  text-wrap: balance;
}
.motto footer {
  margin-top: 1.75rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.motto cite { font-style: normal; }

/* --------------------------------------------------------------------------
   Curriculum
   -------------------------------------------------------------------------- */

.cv { padding-top: 0; }

.cv__inner {
  max-width: calc(48rem + 2 * var(--gutter));
}

.cv__block + .cv__block { margin-top: 2.25rem; }

.cv__block p { color: var(--ink-soft); }

.cv__lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 12rem;
  gap: 1rem 3rem;
  align-items: start;
}

.portrait {
  margin: 0;
  border-radius: 50%;
}
.portrait img { width: 100%; border-radius: 50%; }
.cv__lead .portrait { width: 100%; max-width: 12rem; justify-self: end; }

@media (max-width: 40rem) {
  .cv__lead { grid-template-columns: 1fr; }
  .cv__lead .portrait { grid-row: 1; justify-self: start; max-width: 9rem; margin-bottom: 0.5rem; }
}

/* --------------------------------------------------------------------------
   Kooperationen
   -------------------------------------------------------------------------- */

.partners { background: var(--paper-2); }

.partner-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.partner-list li { border-bottom: 1px solid var(--line); }
.partner-list li:nth-child(odd) { border-right: 1px solid var(--line); }

.partner {
  position: relative;
  display: grid;
  gap: 0.35rem;
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 4rem clamp(1.75rem, 3.5vw, 2.75rem) clamp(0rem, 2vw, 2rem);
  text-decoration: none;
  overflow: hidden;
}
.partner-list li:nth-child(even) .partner { padding-left: clamp(1.5rem, 3.5vw, 3rem); }

.partner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--paper);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.partner { isolation: isolate; }
.partner:hover::before { opacity: 1; }
.partner:hover { color: inherit; }

.partner__name {
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem);
  line-height: 1.2;
  transition: color 0.35s var(--ease);
}
.partner:hover .partner__name { color: var(--accent); }

.partner__url {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.partner__arrow {
  position: absolute;
  top: 50%;
  right: 1.5rem;
  width: 1.1rem;
  height: 1.1rem;
  translate: 0 -50%;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  color: var(--muted);
  transform: rotate(0deg);
  transition: transform 0.45s var(--ease), color 0.35s var(--ease);
}
.partner__arrow::after {
  content: "";
  position: absolute;
  top: -1.5px;
  right: 0;
  width: 1.5px;
  height: 1.55rem;
  background: currentColor;
  transform-origin: top right;
  transform: rotate(45deg);
}
.partner:hover .partner__arrow { color: var(--accent); transform: translate(0.25rem, -0.25rem); }

@media (max-width: 40rem) {
  .partner-list { grid-template-columns: 1fr; }
  .partner-list li:nth-child(odd) { border-right: 0; }
  .partner-list li:nth-child(even) .partner,
  .partner { padding-left: 0; }
  .partner__arrow { right: 0.5rem; }
}

/* --------------------------------------------------------------------------
   Kontakt
   -------------------------------------------------------------------------- */

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.portrait--bw {
  overflow: hidden;
  width: min(100%, 26rem);
  justify-self: end;
  aspect-ratio: 1;
}
/* trims the stepped edge of the source cut-out */
.portrait--bw img { transform: scale(1.04); }

.contact__card { font-style: normal; font-variant-numeric: lining-nums; }
.contact__name { font-size: 1.35rem; margin-bottom: 0.75rem; }
.contact__card p { color: var(--ink-soft); }
.contact__card .contact__name { color: var(--ink); }

.contact__links {
  display: grid;
  justify-items: start;
  gap: 0.6rem;
  margin-top: 2rem;
}
.contact__link {
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.6rem);
  color: var(--ink);
  text-decoration-color: var(--line);
  text-underline-offset: 0.3em;
}

@media (max-width: 48rem) {
  .contact__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .portrait--bw { justify-self: start; width: clamp(9rem, 45vw, 14rem); }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}
.site-footer__meta { margin: 0; flex: 1; }
.site-footer__nav a {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
}
.site-footer__nav a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Sub pages (Impressum)
   -------------------------------------------------------------------------- */

.page {
  padding-top: calc(var(--header-h) + clamp(4rem, 10vw, 8rem));
  padding-bottom: var(--section-y);
}
.page .section-title { margin-bottom: 3.5rem; }

.legal {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 1rem 3rem;
}
.legal__label {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.35rem;
}
.legal__body { color: var(--ink-soft); font-variant-numeric: lining-nums; }
.legal__body address { font-style: normal; margin-bottom: 1em; }
.legal__body strong { font-weight: 400; color: var(--ink); font-size: 1.2rem; }
.legal__note { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); font-style: italic; }

@media (max-width: 40rem) {
  .legal { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Reveal on scroll
   -------------------------------------------------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero__scroll, .nav-toggle { display: none; }
  .hero { min-height: 0; padding: 2rem 0; }
  .hero__media { display: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
  body { background: #fff; color: #000; }
}