/* =====================================================================
   Gianni Sabo – About-me-Website
   Gestaltung nach Apple-Prinzipien: System-Schrift, größenabhängiges Tracking,
   transluzente Materialien, sofortiges Feedback, ruhige Bewegung, Reduced-Motion.
   ===================================================================== */

/* ---------- Design-Variablen (hier Farben & Maße ändern) ---------- */
:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Segoe UI Variable Display", "Segoe UI", system-ui, "Helvetica Neue", Roboto, Arial, sans-serif;

  --maxw: 62.5rem;
  --nav-h: 3.5rem;
  --radius-lg: 1.75rem;
  --ease-out: cubic-bezier(.22, 1, .36, 1);

  --btn-bg: #0071e3;
}

/* Hell (Standard) */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #fbfbfd;
  --bg-elev: #ffffff;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --hairline: rgba(0, 0, 0, .09);
  --card: #ffffff;
  --card-shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 12px 40px rgba(0, 0, 0, .06);
  --accent: #0071e3;
  --accent-text: #0066cc;
  --chip: rgba(0, 0, 0, .055);
  --glow: rgba(0, 113, 227, .11);
  --nav-fade: rgba(251, 251, 253, .78);
  --scrim: rgba(0, 0, 0, .34);
  --sheet-bg: rgba(255, 255, 255, .8);
  --sheet-edge: rgba(255, 255, 255, .7);
  --sheet-shadow: 0 28px 80px rgba(0, 0, 0, .22);
}

/* Dunkel */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --bg-elev: #1c1c1e;
  --text: #f5f5f7;
  --text-2: #a1a1a6;
  --hairline: rgba(255, 255, 255, .13);
  --card: #1c1c1e;
  --card-shadow: 0 0 0 1px rgba(255, 255, 255, .06);
  --accent: #2997ff;
  --accent-text: #2997ff;
  --chip: rgba(255, 255, 255, .1);
  --glow: rgba(41, 151, 255, .16);
  --nav-fade: rgba(0, 0, 0, .66);
  --scrim: rgba(0, 0, 0, .58);
  --sheet-bg: rgba(28, 28, 30, .8);
  --sheet-edge: rgba(255, 255, 255, .16);
  --sheet-shadow: 0 28px 80px rgba(0, 0, 0, .7);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}
html.is-locked { overflow: hidden; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;          /* 17 px, wie bei Apple */
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color .45s ease, color .45s ease;
}

h1, h2, h3, h4, p, ul, dl, dd, figure { margin: 0; }
img { max-width: 100%; }

a { color: var(--accent-text); text-decoration: none; overflow-wrap: anywhere; }
a:hover { text-decoration: underline; text-underline-offset: .18em; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  padding: .6rem 1rem; border-radius: 999px;
  background: var(--text); color: var(--bg);
  transition: top .2s ease;
}
.skip-link:focus { top: .75rem; text-decoration: none; }

.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: calc(var(--nav-h) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
}
/* Material statt harter Trennlinie: Unschärfe, die nach unten ausläuft */
.nav-material {
  position: absolute; inset: 0 0 -.9rem 0;
  background: linear-gradient(to bottom, var(--nav-fade), transparent);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
          backdrop-filter: blur(22px) saturate(180%);
  -webkit-mask-image: linear-gradient(to bottom, #000 60%, transparent);
          mask-image: linear-gradient(to bottom, #000 60%, transparent);
  opacity: 0;
  transition: opacity .4s ease;
}
.nav.is-scrolled .nav-material { opacity: 1; }

/* Gleiche Außenkanten wie der Inhalt: Der Name steht bündig über den Karten, die Symbole bündig am rechten Rand */
.nav-inner {
  position: relative;
  height: var(--nav-h);
  width: min(100% - 1rem, calc(var(--maxw) + 1.5rem)); margin: 0 auto;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  padding: .5rem .5rem .5rem .75rem;
  color: var(--text);
  font-weight: 600; letter-spacing: .005em;
  opacity: 0; transition: opacity .4s ease;
}
.nav.is-scrolled .nav-brand { opacity: 1; }
.nav-brand:hover { text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: .125rem; }

.icon-btn {
  position: relative;
  width: 2.75rem; height: 2.75rem;           /* großzügige Trefferfläche */
  display: grid; place-items: center;
  border: 0; border-radius: 50%;
  background: transparent; color: var(--text);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform .1s ease-out, background-color .2s ease, color .45s ease;
}
.icon-btn:hover { background: var(--chip); }
.icon-btn:active { transform: scale(.9); background: var(--chip); transition-duration: .06s; }  /* Feedback beim Drücken, nicht erst beim Loslassen */

.icon-btn .ico {
  position: absolute; width: 1.375rem; height: 1.375rem;
  transition: transform .55s var(--ease-out), opacity .3s ease;
}
:root[data-theme="light"] .ico-sun,
:root:not([data-theme]) .ico-sun { opacity: 0; transform: rotate(-70deg) scale(.4); }
:root[data-theme="dark"] .ico-moon { opacity: 0; transform: rotate(70deg) scale(.4); }

/* Hamburger -> X */
.burger { position: relative; display: block; width: 1.25rem; height: .875rem; }
.burger i {
  position: absolute; left: 0; right: 0; height: 2px; border-radius: 2px;
  background: currentColor;
  transition: top .45s var(--ease-out), transform .45s var(--ease-out), opacity .2s ease;
}
.burger i:nth-child(1) { top: 0; }
.burger i:nth-child(2) { top: calc(50% - 1px); }
.burger i:nth-child(3) { top: calc(100% - 2px); }
.menu-open .burger i:nth-child(1) { top: calc(50% - 1px); transform: rotate(45deg); }
.menu-open .burger i:nth-child(2) { opacity: 0; }
.menu-open .burger i:nth-child(3) { top: calc(50% - 1px); transform: rotate(-45deg); }

/* ---------- Menü (Sheet) ---------- */
.scrim {
  position: fixed; inset: 0; z-index: 40;
  background: var(--scrim);
  opacity: 0; visibility: hidden; pointer-events: none;
}
.scrim.is-visible { visibility: visible; pointer-events: auto; }
.scrim.is-closing { pointer-events: none; }

.sheet {
  position: fixed; z-index: 45;
  top: calc(var(--nav-h) + env(safe-area-inset-top) + .25rem);
  right: max(.5rem, env(safe-area-inset-right), calc((100% - var(--maxw) - 1.5rem) / 2));   /* hängt bündig unter dem Hamburger-Button */
  width: min(22.5rem, calc(100% - 1rem));
  max-height: calc(100vh - var(--nav-h) - env(safe-area-inset-top) - 1rem);
  max-height: calc(100dvh - var(--nav-h) - env(safe-area-inset-top) - 1rem);
  padding: .75rem;
  overflow-y: auto; overscroll-behavior: contain;
  border-radius: var(--radius-lg);
  background: var(--sheet-bg);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
          backdrop-filter: blur(32px) saturate(180%);
  box-shadow: 0 0 0 1px var(--hairline), inset 0 1px 0 var(--sheet-edge), var(--sheet-shadow);
  transform-origin: 100% 0;                  /* wächst aus dem Hamburger-Button heraus */
  will-change: transform, opacity;
  opacity: 0; visibility: hidden;
  touch-action: pan-y;                       /* horizontal gehört der Geste, vertikal dem Scrollen */
  transition: background-color .45s ease, box-shadow .45s ease;
}
.sheet.is-visible { visibility: visible; }
.sheet.is-dragging { cursor: grabbing; user-select: none; -webkit-user-select: none; }

.menu-list { list-style: none; padding: 0; }
.menu-list a {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 3.5rem; padding: .5rem 1rem;
  border-radius: 1.1rem;
  color: var(--text);
  font-size: 1.5rem; font-weight: 600; letter-spacing: -.02em; line-height: 1.2;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background-color .15s ease, transform .1s ease-out, color .3s ease;
}
.menu-list a { -webkit-user-drag: none; }
.menu-list a:hover { background: var(--chip); text-decoration: none; }
.menu-list a:active { background: var(--chip); transform: scale(.975); transition-duration: .06s; }
.menu-list a[aria-current="location"] { color: var(--accent-text); }
.menu-list a[aria-current="location"]::after {
  content: ""; flex: none; width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent);
}
.sheet-foot {
  margin: .5rem 1rem .25rem; padding-top: .75rem;
  border-top: 1px solid var(--hairline);
  color: var(--text-2); font-size: .8125rem; letter-spacing: .01em;
}

/* ---------- Welcome-Bildschirm ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100vh; min-height: 100svh;      /* füllt den ganzen sichtbaren Bildschirm */
  display: grid; place-items: center;
  padding: 0 1.25rem;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(60rem 38rem at 50% 40%, var(--glow), transparent 70%);
}
.hero-title {
  font-size: clamp(2.75rem, 12.5vw, 8rem);
  line-height: 1.05;
  letter-spacing: -.035em;                    /* große Schrift = engeres Tracking */
  font-weight: 700;
}
.typed-wrap { position: relative; display: inline-block; white-space: nowrap; }
.typed-sizer, .typed-measure { visibility: hidden; display: block; }
.typed-measure { position: absolute; left: 0; top: 0; display: inline-block; pointer-events: none; }
.typed-line { position: absolute; top: 0; left: 0; display: block; }

.caret {
  display: inline-block; width: .055em; height: .8em;
  margin-left: .06em; vertical-align: -.04em;
  border-radius: .03em; background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
.caret.is-typing { animation: none; opacity: 1; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.scroll-hint {
  position: absolute; left: 50%; bottom: max(1.25rem, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .25rem;
  padding: .75rem 1.25rem;
  color: var(--text-2); font-size: .8125rem; letter-spacing: .02em;
  opacity: 0; pointer-events: none;
  transition: opacity .8s ease, color .45s ease;
}
.scroll-hint.is-visible { opacity: 1; pointer-events: auto; }
.scroll-hint:hover { text-decoration: none; color: var(--text); }
.scroll-hint svg { width: 1.25rem; height: 1.25rem; animation: nudge 2.4s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(.3rem); } }
html:not(.js) .scroll-hint { opacity: 1; pointer-events: auto; }

/* ---------- Sektionen ---------- */
.section { padding-block: clamp(4.5rem, 10vw, 8rem); }
.section-head { margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.eyebrow {
  margin-bottom: .5rem;
  font-size: .8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent-text);
}
h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.07; letter-spacing: -.028em; font-weight: 700;
}

/* ---------- Über mich ---------- */
.about-grid {
  display: grid; align-items: start;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3.5rem);
}
.portrait { justify-self: center; width: min(100%, 18rem); }
.portrait img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 276 / 352; object-fit: cover; object-position: top center;
  border-radius: var(--radius-lg);
  background: var(--chip);
  box-shadow: var(--card-shadow);
}
.about-card {
  min-width: 0;                               /* wächst mit dem Text, bricht aber nie aus dem Layout aus */
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--card-shadow);
  transition: background-color .45s ease, box-shadow .45s ease;
}
.about-card h2 { margin-bottom: 1.25rem; }
.about-text { overflow-wrap: break-word; }
.about-text p { font-size: 1.1875rem; line-height: 1.55; }
.about-text p + p { margin-top: 1rem; }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; padding: .5rem 1.25rem;
  border: 0; border-radius: 999px;
  font: inherit; font-weight: 500; letter-spacing: -.005em;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform .1s ease-out, background-color .2s ease, filter .2s ease, color .45s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(.97); transition-duration: .06s; }
.btn-primary { background: var(--btn-bg); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--chip); color: var(--text); }
.btn-secondary:hover { background: color-mix(in srgb, var(--chip) 100%, var(--text) 4%); }

@media (min-width: 52rem) {
  .about-grid { grid-template-columns: 20rem minmax(0, 1fr); }
  .portrait { width: 100%; position: sticky; top: calc(var(--nav-h) + 2rem); }
}

/* ---------- Lebenslauf ---------- */
.cv-block {
  margin-top: 1.25rem;
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--card-shadow);
  transition: background-color .45s ease, box-shadow .45s ease;
}
.cv-block-title {
  margin-bottom: .5rem;
  font-size: 1.375rem; line-height: 1.2; letter-spacing: -.015em; font-weight: 700;
}

/* Gemeinsames Raster: links Stichwort/Datum, rechts Inhalt */
.cv-item,
.facts > div {
  display: grid; grid-template-columns: minmax(0, 1fr);
  gap: .2rem 2rem;
  padding-block: 1.1rem;
  border-top: 1px solid var(--hairline);
  transition: border-color .45s ease;
}
@media (min-width: 40rem) {
  .cv-item, .facts > div { grid-template-columns: 11rem minmax(0, 1fr); }
}

.cv-meta, .facts dt {
  color: var(--text-2); font-size: .9375rem; font-variant-numeric: tabular-nums;
  padding-top: .15rem;
}
.facts dd { font-weight: 500; }
.cv-body h4 { font-size: 1.0625rem; font-weight: 600; line-height: 1.35; }
.cv-sub { margin-top: .1rem; color: var(--text-2); }

.cv-list, .plain { list-style: none; padding: 0; }
.cv-list { margin-top: .6rem; }
.cv-list li { position: relative; padding-left: 1.1rem; color: var(--text-2); }
.cv-list li + li { margin-top: .2rem; }
.cv-list li::before {
  content: ""; position: absolute; left: .1rem; top: .72em;
  width: .3rem; height: .3rem; border-radius: 50%; background: var(--accent);
}
.plain li + li { margin-top: .2rem; }
.muted { color: var(--text-2); }

.skill-group + .skill-group { margin-top: 1.15rem; }
.skill-label {
  margin-bottom: .25rem;
  color: var(--text-2);
  font-size: .8125rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
}
.chips { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin-top: .4rem; list-style: none; }
.chip {
  display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: .1rem .45rem;
  padding: .4rem .85rem; border-radius: 999px;
  background: var(--chip);
  font-size: .9375rem; font-weight: 500;
  transition: background-color .45s ease;
}
.chip small { color: var(--text-2); font-size: .8125rem; font-weight: 400; letter-spacing: .01em; }

/* ---------- Footer ---------- */
.footer {
  padding-block: 2.25rem calc(2.25rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--hairline);
  color: var(--text-2); font-size: .875rem;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* ---------- Auftauchen beim Scrollen ---------- */
.js .reveal {
  opacity: 0; transform: translate3d(0, 1.5rem, 0);
  transition: opacity .8s var(--ease-out), transform .9s var(--ease-out), background-color .45s ease, box-shadow .45s ease;
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Sanfter Themenwechsel (Helligkeit nicht abrupt springen lassen) ---------- */
html.theme-anim *,
html.theme-anim *::before,
html.theme-anim *::after {
  transition: background-color .45s ease, color .45s ease, border-color .45s ease,
              box-shadow .45s ease, fill .45s ease, stroke .45s ease,
              transform .55s var(--ease-out), opacity .3s ease;
}

/* ---------- Barrierefreiheit: Bewegung, Transparenz, Kontrast ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .caret, .scroll-hint svg { animation: none; }
  .js .reveal { transform: none; transition: opacity .3s ease; }
  .burger i, .icon-btn .ico { transition-duration: .01ms; }
  /* Menü: statt Wegrutschen einfach sanft ein-/ausblenden */
  .sheet, .scrim { transition: opacity .2s ease; }
}
@media (prefers-reduced-transparency: reduce) {
  .sheet { background: var(--bg-elev); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .nav-material { background: var(--bg); -webkit-backdrop-filter: none; backdrop-filter: none; -webkit-mask-image: none; mask-image: none; }
}
@media (prefers-contrast: more) {
  :root, :root[data-theme="light"] { --text-2: #424245; --hairline: rgba(0, 0, 0, .4); }
  :root[data-theme="dark"] { --text-2: #d2d2d7; --hairline: rgba(255, 255, 255, .5); }
  .sheet { background: var(--bg-elev); -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: 0 0 0 2px var(--text); }
  .cv-block, .about-card { box-shadow: 0 0 0 1px var(--text-2); }
}