/* ===================================================================
   Atlas Umzüge — Shared Design System
   Altrum dark canvas + Atlas burgundy accent. Inter typography.
   Loaded by every page before its page-specific <style> block.
   =================================================================== */

:root {
  /* Brand — burgundy accent retained on Altrum dark canvas */
  --burgundy: #A00018;
  --burgundy-deep: #7A0012;
  --burgundy-soft: rgba(160, 0, 24, 0.16);
  --burgundy-line: rgba(160, 0, 24, 0.42);
  --brown: #A00018;            /* collapsed into the single accent */

  /* Dark surfaces (Altrum) */
  --bg: #070707;               /* page canvas */
  --bg-warm: #0E0E0E;          /* alternating section */
  --bg-cream: #141414;         /* deeper alternating section */
  --bg-deep: #030303;          /* deepest sections (process / footer) */

  --ink: #FFFFFF;              /* primary text */
  --ink-soft: rgba(255, 255, 255, 0.72);
  --ink-muted: #8A8A8A;        /* secondary text (Altrum #888) */
  --ink-faded: #5A5A5A;

  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.20);
  --paper: #181818;            /* card surface (Altrum) */
  --surface-2: #202020;        /* raised tiles */
  --white: #FFFFFF;            /* explicit white foreground / light chips */

  /* Radius — rounded form language (Altrum 10px+) */
  --r-xs: 10px;
  --r-sm: 14px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 36px;
  --r-pill: 999px;

  /* Spacing — 15px base grid */
  --s-1: 15px;
  --s-2: 30px;
  --s-3: 45px;
  --s-4: 60px;
  --s-5: 90px;
  --s-6: 120px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-soft: cubic-bezier(0.34, 1.16, 0.64, 1);
}

/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

a, button, [role="button"] {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  letter-spacing: 0;
}

::selection { background: var(--burgundy); color: var(--white); }

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

/* === Focus & skip link === */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--burgundy);
  outline-offset: 4px;
}

.header a:focus-visible,
.mobile-menu a:focus-visible,
.btn:focus-visible,
.nav-cta:focus-visible,
.service-link:focus-visible,
.float-bar-btn:focus-visible,
.cookie-btn:focus-visible {
  border-radius: 999px;
  box-shadow: 0 0 0 4px rgba(160, 0, 24, 0.18);
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 200;
  padding: 12px 22px;
  background: var(--burgundy);
  color: #fff;
  border-radius: var(--r-pill);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 14px 30px -14px rgba(160, 0, 24, 0.55);
  transform: translateY(-160%);
  transition: transform 0.28s var(--ease);
}
.skip-link:focus { transform: translateY(0); outline: 2px solid #fff; outline-offset: 2px; }

/* === Typography === */
.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--burgundy);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--burgundy);
}

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
  text-wrap: balance;
}

.title-xl {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.title-lg {
  font-size: clamp(2.1rem, 4.4vw, 3.7rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.04;
}

.title-md {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.lede {
  font-size: clamp(1.02rem, 1.2vw, 1.15rem);
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-soft);
  letter-spacing: 0;
  text-wrap: pretty;
}

/* === Layout primitives === */
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 max(32px, env(safe-area-inset-left));
  padding-right: max(32px, env(safe-area-inset-right));
}
@media (max-width: 640px) {
  .wrap {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
}

section { position: relative; }
.section-pad { padding: 140px 0; }
@media (max-width: 768px) { .section-pad { padding: 90px 0; } }

.section-header {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  margin-bottom: 80px;
  align-items: end;
}
.section-header .lede { max-width: 540px; }
.section-header h2 { margin-top: 24px; }
@media (max-width: 880px) {
  .section-header { grid-template-columns: 1fr; gap: 24px; margin-bottom: 56px; }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(0) scale(0.98); }
.nav-cta:active { transform: translateY(0) scale(0.98); }
.footer-cta-btn:active { transform: scale(0.98); }
.cookie-btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--burgundy);
  color: var(--white);
  box-shadow: 0 14px 30px -14px rgba(160, 0, 24, 0.45);
}
.btn-primary:hover {
  background: var(--burgundy-deep);
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -16px rgba(160, 0, 24, 0.55);
}

.btn-dark {
  background: var(--brown);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--burgundy-deep);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--white);
  background: var(--white);
  color: #070707;
  transform: translateY(-2px);
}

.btn-light {
  background: var(--white);
  color: #070707;
}
.btn-light:hover {
  background: var(--burgundy);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), gap 0.3s var(--ease);
}
.btn-link svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.btn-link:hover { color: var(--burgundy); border-color: var(--burgundy); gap: 14px; }

/* === Scroll reveal === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* === Paper grain — tactile depth on a fixed, non-interactive layer === */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
}

/* === Reduced motion (generic) === */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}