/* ============================================================
   MARTINELLI KFZ-TECHNIK — Design System
   Konzept: "Officina" — italienische Motoren-Werkstatt
   Signatur: Blueprint-Linien + Instrumenten-Motiv + Tricolore-Naht
   ============================================================ */

/* ---------- Fonts (laden auf echtem Server via Google Fonts) ---------- */
/* Fallback-Stack ist bewusst hochwertig gewählt für lokale Vorschau */

:root {
  /* --- Farbwelt: Anthrazit-Basis, Racing-Rot, Tricolore-Akzente --- */
  --carbon:      #0E0F11;   /* Tiefes Anthrazit-Schwarz (Basis) */
  --graphite:    #16181C;   /* Karten, Sektionen */
  --steel:       #1E2126;   /* Erhöhte Flächen */
  --ash:         #2A2E35;   /* Ränder, Linien */
  --smoke:       #3A3F47;   /* Hellere Ränder */

  --rosso:       #D5122A;   /* Rosso Corsa — das italienische Racing-Rot */
  --rosso-hot:   #F01A34;   /* Helleres Rot für Hover/Glut */
  --rosso-deep:  #9E0C1F;   /* Dunkleres Rot für Tiefe */

  /* Tricolore — nur als feine Akzente, nie flächig */
  --tri-green:   #1B8E4A;
  --tri-white:   #F2F0EC;
  --tri-red:     #CE2B37;

  /* Text */
  --ink:         #F4F5F7;   /* Haupttext auf dunkel */
  --ink-soft:    #A8AEB8;   /* Sekundärtext */
  --ink-faint:   #6B7280;   /* Tertiär, Captions */
  --ink-ghost:   #414852;   /* Sehr dezent */

  /* Funktions-Töne */
  --line:        rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.14);
  --blueprint:   rgba(120,170,255,.10);  /* Technische Zeichnungs-Linien */

  /* Radius & Form — technisch, wenig gerundet */
  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 10px;

  /* Typografie */
  --f-display: 'Antonio', 'Oswald', 'Arial Narrow', sans-serif;  /* Kondensiert, technisch, wie Instrumenten-Beschriftung */
  --f-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --f-mono:    'JetBrains Mono', 'SF Mono', 'Consolas', monospace; /* Für technische Daten */

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  /* Layout */
  --wrap: 1240px;
  --gut: clamp(1.2rem, 4vw, 3rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

body {
  font-family: var(--f-body);
  background: var(--carbon);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ---------- Typografie-Skala ---------- */
.display {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: .96; text-transform: uppercase; letter-spacing: -.005em; }

.eyebrow {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--rosso);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--rosso);
  display: inline-block;
}

/* ---------- Wrapper ---------- */
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }

/* ---------- Tricolore-Naht (Signatur-Element) ---------- */
.tricolore {
  display: inline-flex;
  height: 3px;
  width: 46px;
  border-radius: 2px;
  overflow: hidden;
}
.tricolore i { flex: 1; }
.tricolore i:nth-child(1) { background: var(--tri-green); }
.tricolore i:nth-child(2) { background: var(--tri-white); }
.tricolore i:nth-child(3) { background: var(--tri-red); }
.tricolore.vertical { flex-direction: column; height: 46px; width: 3px; }

/* ============================================================
   GEMEINSAME KOMPONENTEN (alle Seiten)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.5rem;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .01em;
  transition: transform .35s var(--ease), background .3s, box-shadow .3s, color .3s;
  white-space: nowrap;
  position: relative;
}
.btn-lg { padding: 1.05rem 1.9rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-red {
  background: var(--rosso);
  color: #fff;
  box-shadow: 0 6px 24px -8px rgba(213,18,42,.6);
}
.btn-red:hover {
  background: var(--rosso-hot);
  transform: translateY(-2px);
  box-shadow: 0 12px 34px -8px rgba(213,18,42,.75);
}
.btn-red svg { transition: transform .35s var(--ease); }
.btn-red:hover svg { transform: translateX(3px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
.btn-ghost:hover {
  box-shadow: inset 0 0 0 1px var(--ink-soft);
  transform: translateY(-2px);
  background: rgba(255,255,255,.03);
}


/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(14,15,17,.82);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 76px;
}

.brand { display: flex; align-items: center; margin-right: auto; }
.brand-logo {
  height: 38px;
  width: auto;
  display: block;
  transition: transform .5s var(--ease), filter .5s var(--ease);
  filter: drop-shadow(0 2px 8px rgba(213,18,42,.25));
}
.brand:hover .brand-logo {
  transform: scale(1.04);
  filter: drop-shadow(0 4px 16px rgba(213,18,42,.45));
}

.nav { display: flex; gap: .3rem; }
.nav-link {
  padding: .5rem .9rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  transition: color .25s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: .9rem; right: .9rem; bottom: .3rem;
  height: 1.5px;
  background: var(--rosso);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--ink); }

.header-cta { padding: .6rem 1.15rem; font-size: .88rem; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.burger span {
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .35s var(--ease), opacity .25s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile Menü ---------- */
.mobile-menu {
  position: fixed;
  top: 76px; left: 0; right: 0;
  width: 100%;
  max-width: 100vw;
  background: rgba(14,15,17,.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  transition: transform .45s var(--ease);
  z-index: 99;
  padding: 1.5rem var(--gut) 2rem;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a {
  padding: 1rem 0;
  font-family: var(--f-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  transition: color .2s, padding-left .3s var(--ease);
}
.mobile-menu nav a:hover { color: var(--rosso); padding-left: .5rem; }
.mobile-menu-foot { margin-top: 1.5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--carbon); border-top: 1px solid var(--line); padding-top: 4rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}
.footer-brand .brand { margin-bottom: 1.2rem; }
.footer-tag { color: var(--ink-soft); font-size: .92rem; max-width: 280px; margin-bottom: 1.2rem; }
.footer-col h4 {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.2rem;
  font-weight: 500;
}
.footer-col a, .footer-col address {
  display: block;
  color: var(--ink-soft);
  font-size: .92rem;
  font-style: normal;
  margin-bottom: .7rem;
  transition: color .25s;
}
.footer-col a:hover { color: var(--rosso); }
.hours { display: flex; justify-content: space-between; gap: 1rem; font-size: .9rem; color: var(--ink-soft); margin-bottom: .6rem; max-width: 220px; }
.hours .closed { color: var(--ink-ghost); }
.hours-note { font-size: .78rem; color: var(--ink-faint); margin-top: .8rem; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.6rem;
  flex-wrap: wrap;
  font-size: .82rem;
  color: var(--ink-faint);
}
.footer-legal { display: flex; gap: 1.4rem; }
.footer-legal a { transition: color .25s; }
.footer-legal a:hover { color: var(--ink); }
.footer-credit a { color: var(--ink-soft); transition: color .25s; }
.footer-credit a:hover { color: var(--rosso); }


/* ---------- Responsive Header (alle Seiten) ---------- */
@media (max-width: 1000px) {
  .nav, .header-cta { display: none; }
  .burger { display: flex; }
}

/* ============================================================
   PREMIUM-EFFEKTE: Scroll-Fortschritt + Ladeanimation
   ============================================================ */
/* Scroll-Fortschrittsbalken */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--rosso-deep), var(--rosso), var(--rosso-hot));
  z-index: 200;
  transition: width .1s linear;
  box-shadow: 0 0 12px rgba(213,18,42,.6);
}

/* Ladeanimation */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--carbon);
  z-index: 9999;
  display: grid;
  place-items: center;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
.page-loader.done { opacity: 0; visibility: hidden; }
.loader-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.loader-ring {
  width: 54px; height: 54px;
  border: 2px solid var(--ash);
  border-top-color: var(--rosso);
  border-radius: 50%;
  animation: loader-spin .8s linear infinite;
}
@keyframes loader-spin { to { transform: rotate(360deg); } }
.loader-text {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.loader-tricolore { display: inline-flex; height: 3px; width: 40px; border-radius: 2px; overflow: hidden; }
.loader-tricolore i { flex: 1; }
.loader-tricolore i:nth-child(1) { background: var(--tri-green); }
.loader-tricolore i:nth-child(2) { background: var(--tri-white); }
.loader-tricolore i:nth-child(3) { background: var(--tri-red); }
@media (prefers-reduced-motion: reduce) {
  .loader-ring { animation: none; }
  .page-loader { display: none; }
}

/* ============================================================
   PREMIUM-DETAILS (global)
   ============================================================ */
/* Markierungsfarbe */
::selection { background: var(--rosso); color: #fff; }

/* Dunkle Scrollbar mit rotem Griff */
html { scrollbar-color: #3a3d42 var(--carbon); scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--carbon); }
::-webkit-scrollbar-thumb {
  background: #3a3d42;
  border-radius: 6px;
  border: 2px solid var(--carbon);
}
::-webkit-scrollbar-thumb:hover { background: var(--rosso); }

/* Feiner Licht-Sweep über Buttons */
.btn { overflow: hidden; isolation: isolate; }
.btn::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 55%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.14), transparent);
  transform: skewX(-18deg);
  transition: left .55s var(--ease);
  pointer-events: none;
  z-index: 1;
}
.btn:hover::after { left: 125%; }

/* Marken-Laufband */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--graphite);
  padding: .85rem 0;
  user-select: none;
}
.marquee-track {
  display: flex;
  gap: 3.2rem;
  width: max-content;
  animation: marquee-scroll 38s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 3.2rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--ink-faint);
  white-space: nowrap;
}
.marquee-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--rosso);
  opacity: .7;
  flex: none;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .btn::after { display: none; }
}

/* Instagram im Footer */
.footer-ig {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}
.footer-ig svg { flex: none; opacity: .8; }

/* ============================================================
   BEWEGUNG: Richtungs-Reveals & Detail-Effekte
   ============================================================ */

/* Richtungsvarianten – ergänzen das bestehende .reveal */
.reveal-left  { opacity: 0; transform: translateX(-38px); transition: opacity .85s var(--ease-out), transform .85s var(--ease-out); }
.reveal-right { opacity: 0; transform: translateX(38px);  transition: opacity .85s var(--ease-out), transform .85s var(--ease-out); }
.reveal-pop   { opacity: 0; transform: scale(.9);         transition: opacity .7s var(--ease-out), transform .7s cubic-bezier(.34,1.56,.64,1); }
.reveal-left.in, .reveal-right.in, .reveal-pop.in { opacity: 1; transform: none; }

/* Bild-Vorhang: Rosso-Fläche wischt vom Motiv weg */
.img-wipe { position: relative; overflow: hidden; }
.img-wipe::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--rosso);
  transform-origin: right;
  transform: scaleX(1);
  z-index: 4;
  pointer-events: none;
  transition: transform 1.05s cubic-bezier(.76,0,.24,1);
}
.img-wipe.in::after { transform: scaleX(0); }
.img-wipe img, .img-wipe video {
  transform: scale(1.12);
  transition: transform 1.5s var(--ease-out);
}
.img-wipe.in img, .img-wipe.in video { transform: scale(1); }

/* Überschriften wortweise einschwenken */
.word-reveal .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(.5em) rotate(2.5deg);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.word-reveal.in .word { opacity: 1; transform: none; }

/* Feine Linie, die sich aufzieht */
.line-grow { transform: scaleX(0); transform-origin: left; transition: transform 1s var(--ease-out); }
.line-grow.in { transform: scaleX(1); }

/* Zahlen-Counter */
.count-up { font-variant-numeric: tabular-nums; }

/* Karten heben sich beim Hover */
.lift { transition: transform .45s var(--ease-out), box-shadow .45s, border-color .35s; }
.lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
  border-color: var(--rosso);
}

/* Links mit aufziehender Unterstreichung */
.link-underline { position: relative; }
.link-underline::after {
  content: '';
  position: absolute; left: 0; bottom: -3px;
  width: 100%; height: 1px;
  background: var(--rosso);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

@media (prefers-reduced-motion: reduce) {
  .reveal-left, .reveal-right, .reveal-pop,
  .word-reveal .word, .line-grow { opacity: 1 !important; transform: none !important; }
  .img-wipe::after { display: none; }
  .img-wipe img, .img-wipe video { transform: none !important; }
  .lift:hover { transform: none; }
}

/* ============================================================
   SCROLL-INDIKATOR (Ring mit Prozent) + weitere Feinheiten
   ============================================================ */
.scroll-ring {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  width: 52px; height: 52px;
  z-index: 190;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translateY(14px) scale(.9);
  transition: opacity .45s var(--ease-out), transform .45s var(--ease-out);
  cursor: pointer;
  border: none;
  background: rgba(14,15,17,.82);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  padding: 0;
}
.scroll-ring.show { opacity: 1; transform: none; }
.scroll-ring svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.scroll-ring .ring-track { stroke: rgba(255,255,255,.12); }
.scroll-ring .ring-bar {
  stroke: var(--rosso);
  stroke-linecap: round;
  transition: stroke-dashoffset .12s linear;
}
.scroll-ring .ring-num {
  position: relative;
  font-family: var(--f-mono);
  font-size: .58rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.scroll-ring:hover { transform: translateY(-3px); }
.scroll-ring:hover .ring-num { color: var(--ink); }
.scroll-ring:hover .ring-bar { stroke: var(--rosso-hot); }

/* Sektionen bekommen beim Betreten eine feine Trennlinie, die aufzieht */
.section { position: relative; }
.section::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--rosso), transparent 40%);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s var(--ease-out), opacity .6s;
}
.section.seen::before { opacity: .5; transform: scaleX(1); }

/* Telefonnummer im Header pulst dezent beim Hover */
.btn-phone svg, .kt-line svg { transition: transform .4s var(--ease-out); }
.btn-phone:hover svg, .kt-line:hover svg { transform: rotate(-12deg) scale(1.12); }

@media (prefers-reduced-motion: reduce) {
  .scroll-ring { transition: none; }
  .section::before { transition: none; }
}

/* ============================================================
   FOOTER RESPONSIV (global – gilt für alle Seiten)
   ============================================================ */
@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem 2.5rem; }
}
@media (max-width: 620px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: .8rem; }
  .footer-tag { max-width: none; }
}
/* Lange Inhalte (E-Mail, Adresse) dürfen umbrechen statt zu überlaufen */
.footer-col a,
.footer-col address,
.footer-ig { overflow-wrap: anywhere; }
.footer-col address { font-style: normal; line-height: 1.7; }