/* ================================================================
   ESIK GmbH — assets/css/style.css
   Brand palette: #a72b53 (accent) · #151D34 (dark) · #0f1628 (deep) · #f8f6f6 (light)
   ================================================================ */

/* ----------------------------------------------------------------
   CSS CUSTOM PROPERTIES
   ---------------------------------------------------------------- */
:root {
  /* Brand */
  --color-dark:   #151D34;
  --color-deep:   #0f1628;
  --color-accent: #a72b53;
  --color-light:  #f8f6f6;
  --color-white:  #ffffff;

  /* On-dark alphas */
  --on-dark:        rgba(255, 255, 255, 0.92);
  --on-dark-muted:  rgba(255, 255, 255, 0.70);
  --on-dark-subtle: rgba(255, 255, 255, 0.48);

  /* On-light */
  --text:        #151D34;
  --text-muted:  rgba(21, 29, 52, 0.76);
  --text-subtle: rgba(21, 29, 52, 0.55);

  /* Borders */
  --border:       rgba(21, 29, 52, 0.13);
  --border-dark:  rgba(255, 255, 255, 0.14);

  /* Typography */
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Layout */
  --container: 1200px;
  --r:    10px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.25rem;
  --sp-xl: 3.25rem;
  --sp-2xl: 5rem;

  /* Motion */
  --ease:        0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: 0.3s  cubic-bezier(0.34, 1.56, 0.64, 1);
}


/* ----------------------------------------------------------------
   RESET / BASE
   ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 1.0625rem;   /* ~17px */
  line-height: 1.75;
  color: var(--text);
  background: var(--color-white);
  overflow-x: hidden;
}

img   { display: block; max-width: 100%; height: auto; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }
address { font-style: normal; }
p     { color: var(--text-muted); }
p + p { margin-top: var(--sp-sm); }

h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--color-dark);
}

h1 { font-size: clamp(2rem,   4.5vw, 3.25rem); }
h2 { font-size: clamp(1.65rem, 3vw,  2.4rem);  }
h3 { font-size: 1.1rem; font-weight: 700; }


/* ----------------------------------------------------------------
   ACCESSIBILITY
   ---------------------------------------------------------------- */
.skip-link {
  position: absolute; left: .75rem; top: .75rem;
  padding: .6rem .9rem;
  background: var(--color-accent); color: var(--color-white);
  border-radius: var(--r);
  transform: translateY(-150%);
  transition: transform var(--ease);
  z-index: 1000;
}
.skip-link:focus-visible { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}


/* ----------------------------------------------------------------
   LAYOUT UTILITIES
   ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-lg);
}

.section { padding-block: var(--sp-2xl); }

.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: .5rem;
}
.section-label--light { color: rgba(255, 255, 255, 0.62); }

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--sp-xl);
}

.section-subtitle { color: var(--text-muted); font-size: 1.05rem; }


/* ----------------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .72em 1.4em;
  border-radius: var(--r);
  font-family: var(--font);
  font-size: 1rem; font-weight: 700; letter-spacing: .01em;
  border: 2px solid transparent;
  cursor: pointer; white-space: nowrap;
  text-decoration: none;
  transition:
    transform    var(--ease),
    box-shadow   var(--ease),
    background   var(--ease),
    border-color var(--ease),
    color        var(--ease),
    filter       var(--ease),
    opacity      var(--ease);
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--lg { padding: .88em 1.65em; font-size: 1.05rem; }
.btn--sm { padding: .48em  .88em; font-size:  .88rem; }

/* Primary – filled accent red */
.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 8px 28px rgba(167, 43, 83, .30);
}
.btn--primary:hover {
  filter: brightness(1.07);
  box-shadow: 0 12px 36px rgba(167, 43, 83, .42);
}

/* Outline white (on dark backgrounds) */
.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, .50);
}
.btn--outline-white:hover {
  background: rgba(255, 255, 255, .10);
  border-color: rgba(255, 255, 255, .80);
}

/* Outline dark (on light backgrounds) */
.btn--outline {
  background: transparent;
  color: var(--color-dark);
  border-color: rgba(21, 29, 52, .28);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Ghost – subtle, on dark */
.btn--ghost {
  background: rgba(255, 255, 255, .06);
  color: rgba(255, 255, 255, .72);
  border-color: rgba(255, 255, 255, .20);
  font-weight: 600;
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, .12);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, .40);
}

/* Support (accent, for header) */
.btn--support {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(167, 43, 83, .28);
}
.btn--support:hover { filter: brightness(1.06); }

/* Outline-sm (top bar) */
.btn--outline-sm {
  background: transparent;
  color: rgba(255, 255, 255, .80);
  border: 1.5px solid rgba(255, 255, 255, .40);
  padding: .32em .85em; font-size: .80rem; font-weight: 700;
  border-radius: var(--r);
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}
.btn--outline-sm:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .70);
  color: var(--color-white);
}

/* Disabled */
.btn[aria-disabled="true"] {
  opacity: .55; cursor: not-allowed; pointer-events: none;
}


/* ----------------------------------------------------------------
   HEADER
   ---------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--ease);
  overflow: visible;
}
.site-header.is-scrolled {
  box-shadow: 0 8px 32px rgba(21, 29, 52, .14);
}

/* Header outer flex wrapper */
.header-wrap {
  display: flex;
  align-items: stretch;
  gap: 2.5rem;
}

/* Right side: two stacked rows */
.header-right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  padding-block: 1.5rem 2.2rem;
}

/* Utility buttons bar */
.header-top {
  background: var(--color-white);
  display: flex;
  justify-content: flex-end;
}
.header-top__nav {
  display: flex; align-items: center; gap: .5rem;
}
.header-top__btn {
  font-size: .8rem; font-weight: 600;
  color: var(--color-white);
  background: var(--color-dark);
  padding: .3rem .75rem;
  border-radius: var(--r);
  border: 1.5px solid var(--color-dark);
  transition: color var(--ease), border-color var(--ease), background var(--ease);
  text-decoration: none;
}
.header-top__btn:hover {
  background: rgba(21, 29, 52, .82);
  border-color: rgba(21, 29, 52, .82);
}
.header-top__btn--accent {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.header-top__btn--accent:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* Main nav bar */
.header-main {
  background: var(--color-white);
  display: flex;
  align-items: center;
}
.header-main__actions {
  display: flex; align-items: center; gap: 1rem;
  width: 100%; justify-content: flex-end;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  padding-block: 3rem 2.2rem;
}
.logo-img {
  width: 300px;
  height: auto;
}
.logo-main-row {
  display: flex; align-items: center; gap: .4rem;
}
.logo-icon {
  font-size: 3.8rem; font-weight: 900;
  color: var(--color-accent); line-height: 1;
}
.logo-text {
  font-size: 3.3rem; font-weight: 800;
  letter-spacing: -.03em; color: var(--color-dark);
}
.logo-it { color: var(--color-accent); }
.logo-tagline {
  display: block;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-subtle);
  line-height: 1.3;
  padding-left: .15rem;
}

/* Footer logo variant */
.site-logo--footer .logo-text { color: var(--color-white); }
.site-logo--footer .logo-icon { color: rgba(167, 43, 83, .70); }
.site-logo--footer .logo-it   { color: rgba(167, 43, 83, .90); }
.logo-img--footer { width: 280px; }

/* Main navigation links */
.main-nav {
  display: flex; align-items: center; gap: .25rem;
}
.main-nav__link {
  font-size: .9rem; font-weight: 600;
  color: var(--text-muted);
  padding: .4rem .65rem;
  border-radius: var(--r);
  transition: color var(--ease), background var(--ease);
}
.main-nav__link:hover,
.main-nav__link.active {
  color: var(--color-dark);
  background: rgba(21, 29, 52, .06);
}

/* Burger button */
.burger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px;
  background: transparent; border: none;
  cursor: pointer; padding: .25rem; border-radius: var(--r);
  transition: background var(--ease);
}
.burger:hover { background: rgba(21, 29, 52, .07); }
.burger span {
  display: block; height: 2px; width: 22px;
  background: var(--color-dark); border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease), width var(--ease);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; width: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ----------------------------------------------------------------
   HERO
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--color-deep);
  overflow: hidden;
  padding-block: 5.5rem 4rem;
  min-height: 88vh;
  display: flex; align-items: center;
}

/* Atmospheric layered background */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 72% 25%, rgba(167, 43, 83, .26) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 15% 85%, rgba(255, 255, 255, .04) 0%, transparent 55%),
    radial-gradient(ellipse 35% 45% at 90% 75%, rgba(21, 29, 52, .60) 0%, transparent 50%);
  pointer-events: none; z-index: 0;
}

/* Subtle grid texture */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none; z-index: 0;
}

.hero__inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  width: 100%;
}

/* ── Hero text ── */
.hero__label {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .75rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 1.1rem;
  opacity: 0; transform: translateY(14px);
  animation: heroFade .6s ease .1s forwards;
}
.hero__label::before {
  content: '';
  display: inline-block; width: 20px; height: 2px;
  background: var(--color-accent); border-radius: 2px;
}

.hero__title {
  color: var(--color-white);
  font-family: 'Times New Roman', Times, serif;
  font-size: clamp(2.1rem, 4.8vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(18px);
  animation: heroFade .65s ease .2s forwards;
}
.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

/* Checkmark bullets */
.hero__bullets {
  display: flex; flex-direction: column; gap: .75rem;
  margin-bottom: 2.25rem;
  opacity: 0; transform: translateY(18px);
  animation: heroFade .65s ease .35s forwards;
}
.hero__bullet {
  display: flex; align-items: flex-start; gap: .75rem;
  color: var(--on-dark-muted);
  font-size: 1rem; font-weight: 500; line-height: 1.55;
}
.hero__bullet-icon {
  flex-shrink: 0;
  width: 20px; height: 20px; margin-top: .18em;
  background: rgba(167, 43, 83, .22);
  border: 1.5px solid rgba(167, 43, 83, .55);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #e8698a;
}

/* CTA row */
.hero__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  opacity: 0; transform: translateY(18px);
  animation: heroFade .65s ease .5s forwards;
}
.hero__actions > :first-child {
  grid-column: 1 / -1;
}
.hero__actions .btn {
  width: 100%;
  justify-content: center;
}

@keyframes heroFade {
  to { opacity: 1; transform: translateY(0); }
}

/* ── Hero video column ── */
.hero__video-wrap {
  display: flex; flex-direction: column;
  opacity: 0; transform: translateX(24px);
  animation: heroSlideRight .7s ease .55s forwards;
}
@keyframes heroSlideRight {
  to { opacity: 1; transform: translateX(0); }
}

.hero__video-meta { margin-bottom: .9rem; }

.hero__video-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(167, 43, 83, .15);
  border: 1px solid rgba(167, 43, 83, .35);
  border-radius: 50px;
  padding: .25em .75em;
  margin-bottom: .5rem;
}

.hero__video-title {
  font-size: 1.05rem; font-weight: 700;
  color: var(--on-dark);
  line-height: 1.3; margin-bottom: .25rem;
}

.hero__video-caption {
  font-size: .82rem; color: var(--on-dark-subtle);
  display: flex; align-items: center; gap: .4rem;
}
.hero__video-caption::before {
  content: '';
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--color-accent);
}

/* Video placeholder frame */
.hero__video-frame {
  position: relative;
  width: 100%; aspect-ratio: 16 / 9;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #1e2840 0%, #0f1628 60%, #1a1028 100%);
  border: 1.5px solid rgba(255, 255, 255, .10);
  box-shadow:
    0 32px 80px rgba(0, 0, 0, .50),
    0 4px  16px rgba(0, 0, 0, .30),
    inset 0 1px 0 rgba(255, 255, 255, .07);
  cursor: pointer;
}

.hero__video-frame::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 65% 70% at 30% 40%, rgba(167, 43, 83, .18) 0%, transparent 60%),
    radial-gradient(ellipse 45% 50% at 75% 70%, rgba(80, 100, 160, .12) 0%, transparent 55%);
  pointer-events: none; z-index: 0;
}

.hero__video-bg {
  position: absolute; inset: 0; z-index: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: .35;
}
.hero__video-bg svg { width: 100%; height: 100%; }

/* Play button */
.hero__play-btn {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem;
  transition: transform var(--ease-spring);
}
.hero__video-frame:hover .hero__play-btn { transform: scale(1.04); }

.hero__play-circle {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
  border: 2px solid rgba(255, 255, 255, .30);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(8px);
  transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.hero__video-frame:hover .hero__play-circle {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(167, 43, 83, .50), 0 0 0 12px rgba(167, 43, 83, .15);
}

.hero__play-label {
  font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255, 255, 255, .70);
}

/* Duration chip */
.hero__video-duration {
  position: absolute; top: .9rem; right: .9rem; z-index: 3;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  color: rgba(255, 255, 255, .85);
  background: rgba(0, 0, 0, .55);
  backdrop-filter: blur(6px);
  border-radius: 6px;
  padding: .25em .6em;
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .10em; text-transform: uppercase;
  color: rgba(255, 255, 255, .40);
  animation: scrollBob 2.4s ease-in-out infinite;
}
@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}


/* ----------------------------------------------------------------
   SOCIAL PROOF STRIP
   ---------------------------------------------------------------- */
.proof-strip {
  background: var(--color-white);
  border-bottom: 1px solid var(--border);
  padding-block: 2rem;
}
.proof-strip__inner {
  display: flex; align-items: stretch;
  justify-content: center;
}
.proof-stat {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  padding-inline: 2rem;
  text-align: center;
}
.proof-stat + .proof-stat { border-left: 1px solid var(--border); }

.proof-stat__icon {
  width: 36px; height: 36px;
  background: rgba(167, 43, 83, .09);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  margin-bottom: .1rem;
}
.proof-stat__num {
  font-size: 2rem; font-weight: 700;
  font-family: 'Times New Roman', Times, serif;
  color: var(--color-dark); letter-spacing: -.01em; line-height: 1;
}
.proof-stat__label {
  font-size: .82rem; font-weight: 600; color: var(--text-subtle);
}


/* ----------------------------------------------------------------
   TRUST BAR
   ---------------------------------------------------------------- */
.trust-bar {
  background: var(--color-light);
  padding-block: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border);
}
.trust-bar__label {
  text-align: center;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 1rem;
}
.trust-bar__logos {
  display: flex; align-items: center;
  justify-content: center;
  gap: 2.5rem; flex-wrap: wrap;
}
.trust-bar__logo {
  font-size: .88rem; font-weight: 700; letter-spacing: .05em;
  color: var(--text-subtle);
  padding: .4rem .8rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  background: var(--color-white);
  transition: border-color var(--ease), color var(--ease);
}
.trust-bar__logo:hover { border-color: var(--color-accent); color: var(--color-accent); }


/* ----------------------------------------------------------------
   PORTFOLIO
   ---------------------------------------------------------------- */
.portfolio { background: var(--color-white); }

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.portfolio-card {
  background: var(--color-light);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: box-shadow var(--ease), border-color var(--ease), transform var(--ease);
}
.portfolio-card:hover {
  box-shadow: 0 16px 48px rgba(21, 29, 52, .10);
  border-color: rgba(167, 43, 83, .30);
  transform: translateY(-3px);
}
.portfolio-card__icon {
  width: 52px; height: 52px;
  background: rgba(167, 43, 83, .10);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1.1rem;
  transition: background var(--ease);
}
.portfolio-card:hover .portfolio-card__icon { background: rgba(167, 43, 83, .16); }
.portfolio-card h3 { margin-bottom: .5rem; }
.portfolio-card p  { font-size: .95rem; }


/* ----------------------------------------------------------------
   SERVICES
   ---------------------------------------------------------------- */
.services { background: var(--color-light); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  box-shadow: 0 4px 16px rgba(21, 29, 52, .06);
  transition: box-shadow var(--ease), border-color var(--ease), transform var(--ease);
}
.service-card:hover {
  box-shadow: 0 12px 36px rgba(21, 29, 52, .10);
  border-color: rgba(167, 43, 83, .25);
  transform: translateY(-2px);
}
.service-card__icon { color: var(--color-accent); margin-bottom: .85rem; }
.service-card h3 { margin-bottom: .4rem; }
.service-card p  { font-size: .92rem; }


/* ----------------------------------------------------------------
   PROCESS
   ---------------------------------------------------------------- */
.process {
  background: var(--color-dark);
  overflow: hidden; position: relative;
}
.process::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 30%, rgba(167, 43, 83, .20) 0%, transparent 60%);
  pointer-events: none;
}
.process .section-header h2 { color: var(--color-white); }
.process .section-subtitle   { color: var(--on-dark-muted); }

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.process-step {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .10);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  transition: background var(--ease), border-color var(--ease);
}
.process-step:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(167, 43, 83, .40);
}
.process-step__num {
  display: block;
  font-size: 2.25rem; font-weight: 900;
  color: rgba(167, 43, 83, .40);
  line-height: 1; margin-bottom: .75rem;
}
.process-step h3 { color: var(--on-dark); margin-bottom: .4rem; }
.process-step p  { color: var(--on-dark-muted); font-size: .92rem; }


/* ----------------------------------------------------------------
   STATS
   ---------------------------------------------------------------- */
.stats { background: var(--color-accent); }

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-card {
  text-align: center; padding: 2.5rem 1.5rem;
  border-right: 1px solid rgba(255, 255, 255, .18);
}
.stat-card:last-child { border-right: none; }
.stat-card__num {
  display: block;
  font-size: 2.8rem; font-weight: 700;
  font-family: 'Times New Roman', Times, serif;
  color: var(--color-white); letter-spacing: -.01em;
  line-height: 1; margin-bottom: .25rem;
}
.stat-card__label {
  font-size: .9rem; font-weight: 600;
  color: rgba(255, 255, 255, .78);
}


/* ----------------------------------------------------------------
   TESTIMONIALS
   ---------------------------------------------------------------- */
.testimonials { background: var(--color-white); }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.testimonial-card {
  background: var(--color-light);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
  transition: box-shadow var(--ease), transform var(--ease);
}
.testimonial-card:hover {
  box-shadow: 0 12px 36px rgba(21, 29, 52, .10);
  transform: translateY(-2px);
}
.testimonial-card__quote {
  font-size: 1rem; line-height: 1.7;
  color: var(--text-muted); flex: 1;
  position: relative; padding-top: .5rem;
}
.testimonial-card__quote::before {
  content: '\201C';
  position: absolute; top: -1rem; left: -.25rem;
  font-size: 3.5rem; font-weight: 900;
  color: rgba(167, 43, 83, .18); line-height: 1;
  font-family: Georgia, serif;
}
.testimonial-card__author {
  display: flex; align-items: center; gap: .75rem;
}
.testimonial-card__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(167, 43, 83, .15);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .9rem; color: var(--color-accent);
  flex-shrink: 0;
}
.testimonial-card__name {
  font-size: .9rem; font-weight: 700; color: var(--color-dark);
}
.testimonial-card__role {
  font-size: .78rem; color: var(--text-subtle);
}


/* ----------------------------------------------------------------
   SPONSORS
   ---------------------------------------------------------------- */
.sponsors { background: var(--color-light); }

.sponsors__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.sponsor-card {
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: box-shadow var(--ease), border-color var(--ease);
}
.sponsor-card:hover {
  box-shadow: 0 8px 28px rgba(21, 29, 52, .09);
  border-color: rgba(167, 43, 83, .25);
}
.sponsor-card__img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--r);
  margin-bottom: 1rem;
}
.sponsor-card__img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.sponsor-card p { font-size: .88rem; font-weight: 600; color: var(--text-muted); }


/* ----------------------------------------------------------------
   CTA SECTION
   ---------------------------------------------------------------- */
.cta-section {
  background: var(--color-dark);
  position: relative; overflow: hidden;
  padding-block: var(--sp-2xl);
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 75% 50%, rgba(167, 43, 83, .22) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section__inner {
  position: relative; z-index: 1;
  text-align: center;
}
.cta-section h2 { color: var(--color-white); margin-bottom: 1rem; }
.cta-section p  {
  color: var(--on-dark-muted); max-width: 52ch;
  margin-inline: auto; margin-bottom: 2.5rem;
}
.cta-section__actions {
  display: flex; align-items: center;
  justify-content: center; flex-wrap: wrap;
  gap: 1rem; margin-bottom: 2.5rem;
}

.contact-details {
  display: flex; align-items: center;
  justify-content: center;
  gap: 2.5rem; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 2rem; margin-top: 1rem;
}
.contact-detail {
  display: flex; flex-direction: column;
  align-items: center; gap: .15rem;
}
.contact-detail strong {
  color: var(--on-dark);
  font-size: .82rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
}
.contact-detail span,
.contact-detail a { color: var(--on-dark-muted); font-size: .95rem; }
.contact-detail a:hover { color: var(--color-white); }


/* ----------------------------------------------------------------
   KUNDENBEREICH
   ---------------------------------------------------------------- */
.kundenbereich {
  background: var(--color-light);
  padding-block: 2.5rem;
  border-top: 1px solid var(--border);
}
.kundenbereich__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.kb-card {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: .65rem; padding: 1.5rem 1rem;
  background: var(--color-white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  font-size: .88rem; font-weight: 700; color: var(--color-dark);
  text-decoration: none;
  transition: border-color var(--ease), box-shadow var(--ease), color var(--ease), transform var(--ease);
}
.kb-card:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(21, 29, 52, .09);
  transform: translateY(-2px);
}
.kb-card--support {
  border-color: rgba(167, 43, 83, .35);
  background: rgba(167, 43, 83, .04);
}
.kb-card--support:hover { background: rgba(167, 43, 83, .08); }


/* ----------------------------------------------------------------
   FOOTER
   ---------------------------------------------------------------- */
.site-footer {
  background: var(--color-dark);
  padding-top: 3.5rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, .10);
}
.footer__brand p {
  color: var(--on-dark-subtle); font-size: .88rem;
  margin-top: .6rem; margin-bottom: 1.25rem;
}
.footer__social {
  display: flex; gap: .6rem;
}
.footer__social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, .55);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r);
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}
.footer__social a:hover {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, .40);
  background: rgba(255, 255, 255, .09);
}

.footer__nav h3,
.footer__contact h3 {
  color: rgba(255, 255, 255, .85);
  font-size: .80rem; letter-spacing: .10em; text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.footer__nav ul { display: flex; flex-direction: column; gap: .6rem; }
.footer__nav a  { font-size: .9rem; color: rgba(255, 255, 255, .58); transition: color var(--ease); }
.footer__nav a:hover { color: rgba(255, 255, 255, .90); }

.footer__contact-cols { display: flex; gap: 2rem; }
.footer__contact address { display: flex; flex-direction: column; gap: .55rem; }
.footer__contact p,
.footer__contact a { font-size: .9rem; color: rgba(255, 255, 255, .58); transition: color var(--ease); }
.footer__contact strong { color: rgba(255, 255, 255, .80); }
.footer__contact a:hover { color: rgba(255, 255, 255, .90); }

.footer__bar { padding-block: 1.1rem; }
.footer__bar .container {
  display: flex; justify-content: space-between;
  align-items: center; gap: 1rem; flex-wrap: wrap;
}
.footer__bar span,
.footer__bar a { font-size: .80rem; color: rgba(255, 255, 255, .42); }
.footer__bar a:hover { color: rgba(255, 255, 255, .80); }


/* ----------------------------------------------------------------
   REMOTE SUPPORT PAGE (fernsteuerung.html)
   ---------------------------------------------------------------- */
.remote-hero {
  position: relative;
  background: var(--color-deep);
  color: var(--color-white);
  padding-block: var(--sp-2xl);
  overflow: hidden;
}
.remote-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 72% 25%, rgba(167, 43, 83, .26) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 15% 85%, rgba(255, 255, 255, .04) 0%, transparent 55%),
    radial-gradient(ellipse 35% 45% at 90% 75%, rgba(21, 29, 52, .60) 0%, transparent 50%);
  pointer-events: none; z-index: 0;
}
.remote-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none; z-index: 0;
}
.remote-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-xl);
  align-items: start;
}
.remote-hero__title {
  color: var(--color-white);
  font-family: 'Times New Roman', Times, serif;
  margin-bottom: var(--sp-sm);
}
.remote-hero__subtitle { color: var(--on-dark-muted); max-width: 62ch; }

.remote-hero__panel {
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .06);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  display: flex; flex-direction: column; gap: var(--sp-sm);
}
.remote-hero__panel h2 {
  color: rgba(255, 255, 255, .92);
  font-size: 1.25rem; margin-bottom: 0;
}
.remote-hero__panel p { color: var(--on-dark-muted); }
.remote-hero__panel .btn { width: 100%; }
.remote-hero__note {
  font-size: .88rem; color: var(--on-dark-subtle);
  margin-top: .25rem;
}

.remote-steps { background: var(--color-light); }
.remote-steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}
.remote-step {
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  box-shadow: 0 10px 26px rgba(21, 29, 52, .08);
}
.remote-step__placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-light);
  border: 2px dashed var(--border);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-md);
  color: rgba(21, 29, 52, .35);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.remote-step__num {
  display: block;
  font-size: 2rem; font-weight: 900;
  color: rgba(167, 43, 83, .40);
  line-height: 1; margin-bottom: var(--sp-sm);
}
.remote-step h3 { margin-bottom: .4rem; }
.remote-step p  { font-size: .95rem; }


/* ----------------------------------------------------------------
   SCROLL ANIMATIONS
   ---------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.fade-in.visible {
  opacity: 1; transform: translateY(0);
}


/* ================================================================
   RESPONSIVE BREAKPOINTS
   ================================================================ */

/* Large tablets */
/* ---- 1100px: Inhalts-Grids auf 2 Spalten ---- */
@media (max-width: 1100px) {
  .portfolio__grid,
  .services__grid,
  .testimonials__grid  { grid-template-columns: repeat(2, 1fr); }
  .process__steps      { grid-template-columns: repeat(2, 1fr); }
  .stats__grid         { grid-template-columns: repeat(2, 1fr); }
  .stats .stat-card    { border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
  .stats .stat-card:nth-child(2n) { border-right: none; }
  .stats .stat-card:nth-child(3),
  .stats .stat-card:last-child    { border-bottom: none; }
  .footer__inner       { grid-template-columns: 1fr 1fr; }
}

/* ---- 1024px: Burger-Nav aktivieren, Logo verkleinern ---- */
@media (max-width: 1024px) {
  .logo-icon    { font-size: 2.6rem; }
  .logo-text    { font-size: 2.2rem; }
  .logo-img     { width: 240px; }
  .header-wrap  { gap: 1.5rem; }
  .header-right { padding-block: .5rem 1rem; }

  /* Nav wird zur mobilen Overlay – hängt direkt unter dem Header */
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-white);
    flex-direction: column; align-items: stretch;
    padding: 1.5rem;
    gap: .25rem;
    box-shadow: 0 16px 48px rgba(21, 29, 52, .16);
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform .3s ease, visibility .3s ease;
    z-index: 99;
    border-bottom: 1px solid var(--border);
  }
  .main-nav.open  { transform: translateY(0); visibility: visible; }
  .main-nav__link { font-size: 1.05rem; padding: .7rem .75rem; border-bottom: 1px solid rgba(21, 29, 52, .08); }
  .burger         { display: flex; }
  .btn-support__text { display: none; }
}

/* ---- 900px: Hero einspaltig, Proof-Strip ---- */
@media (max-width: 900px) {
  .hero__inner         { grid-template-columns: 1fr; gap: 3rem; }
  .hero                { min-height: auto; padding-block: 4rem 3rem; align-items: flex-start; }
  .hero__video-wrap    { max-width: 520px; }
  .hero__scroll-hint   { display: none; }

  .kundenbereich__grid { grid-template-columns: repeat(2, 1fr); }
  .remote-hero__inner  { grid-template-columns: 1fr; }
  .remote-steps__grid  { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 480px: Proof-Strip vertikal, Logo klein, Stats 1-spaltig ---- */
@media (max-width: 480px) {
  .logo-img     { width: 120px; }
  .stats__grid  { grid-template-columns: 1fr; }
  .stats .stat-card    { border-right: none; border-bottom: 1px solid rgba(255,255,255,.15); }
  .stats .stat-card:last-child { border-bottom: none; }
  .proof-strip__inner  { flex-wrap: wrap; }
  .proof-stat          { flex: 0 0 100%; border-left: none; border-bottom: 1px solid var(--border); padding-block: 1.25rem; }
  .proof-stat:last-child { border-bottom: none; }
}

/* ---- 768px: Mobil ---- */
@media (max-width: 768px) {
  .container    { padding-inline: var(--sp-sm); }
  .header-top   { display: none; }
  .header-right { padding-block: .5rem; justify-content: center; }
  .logo-icon    { font-size: 2.2rem; }
  .logo-text    { font-size: 1.85rem; }
  .logo-tagline { display: none; }
  .logo-img     { width: 160px; }

  .section      { padding-block: 3.5rem; }

  .portfolio__grid,
  .services__grid,
  .testimonials__grid,
  .sponsors__grid      { grid-template-columns: 1fr; }
  .process__steps      { grid-template-columns: 1fr; }
  .remote-steps__grid  { grid-template-columns: 1fr; }
  .stats__grid         { grid-template-columns: repeat(2, 1fr); }
  .footer__inner       { grid-template-columns: 1fr; gap: 2.5rem; }

  /* Hero-Buttons: Grid → vertikaler Flex */
  .hero__actions {
    display: flex; flex-direction: column; align-items: stretch;
  }
  .hero__actions .btn  { width: 100%; }

  .cta-section__actions { flex-direction: column; align-items: stretch; }
  .contact-details      { gap: 1.5rem; }
}

/* ---- 480px: Kleine Smartphones ---- */
@media (max-width: 480px) {
  .kundenbereich__grid { grid-template-columns: 1fr 1fr; }
  .hero__play-circle   { width: 56px; height: 56px; }
  .proof-stat__num     { font-size: 1.7rem; }
}


/* ================================================================
   REDUCED MOTION
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration:       .001ms !important;
    animation-iteration-count: 1     !important;
    transition-duration:      .001ms !important;
    scroll-behavior:          auto   !important;
  }
  .fade-in        { opacity: 1; transform: none; }
  .hero__label,
  .hero__title,
  .hero__bullets,
  .hero__actions,
  .hero__video-wrap { opacity: 1 !important; transform: none !important; }
  .hero__scroll-hint { display: none; }
}


/* Tagline nur auf breiten Screens (Desktop-Nav sichtbar) */
@media (min-width: 1025px) {
  .logo-tagline { display: block; }
}


/* ================================================================
   KONTAKT-SEITE
   ================================================================ */

/* Hero-Banner */
.contact-hero {
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-dark) 100%);
  padding: 5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}
.contact-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Two-column layout */
.contact-page__grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3rem;
  align-items: stretch;
}

/* ── Info box (left) ── */
.contact-info-box {
  background: var(--color-light);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2.25rem 2rem;
  height: 100%;
}

.contact-info-box__heading {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.contact-info-box__subheading {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 1.75rem;
  margin-bottom: 1rem;
}

.contact-info-box__block {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.contact-info-box__block p  { color: var(--text-muted); font-size: .95rem; line-height: 1.7; }
.contact-info-box__block a  { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
.contact-info-box__block strong { color: var(--text); }

/* ── Form wrap (right) ── */
.contact-form-wrap {
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2.25rem 2rem;
  box-shadow: 0 4px 32px rgba(21,29,52,.06);
  display: flex;
  flex-direction: column;
}

.contact-form-wrap__heading {
  margin-bottom: 1.75rem;
}

/* ── Form fields ── */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-form__field { display: flex; flex-direction: column; gap: .4rem; }

.contact-form__label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .01em;
}
.contact-form__label span { color: var(--color-accent); }

.contact-form__input {
  font-family: var(--font);
  font-size: .975rem;
  color: var(--text);
  background: var(--color-light);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: .7em 1em;
  width: 100%;
  transition: border-color var(--ease), box-shadow var(--ease);
  outline: none;
}
.contact-form__input::placeholder { color: var(--text-subtle); }
.contact-form__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(167,43,83,.12);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 140px;
}

/* Fehlerzustand */
.contact-form__input.is-invalid {
  border-color: #c0392b;
  background: #fff5f5;
  box-shadow: 0 0 0 3px rgba(192,57,43,.13);
}
.contact-form__checkbox-custom.is-invalid {
  border-color: #c0392b;
  background: #fff5f5;
  box-shadow: 0 0 0 3px rgba(192,57,43,.13);
}
.has-error .contact-form__label,
.has-error .contact-form__checkbox-text {
  color: #c0392b;
}
.contact-form__error {
  display: block;
  font-size: .78rem;
  color: #c0392b;
  margin-top: .25rem;
}

/* ── Checkbox ── */
.contact-form__field--checkbox { flex-direction: row; }

.contact-form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  cursor: pointer;
}

.contact-form__checkbox { position: absolute; opacity: 0; width: 0; height: 0; }

.contact-form__checkbox-custom {
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: .2em;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  background: var(--color-light);
  transition: background var(--ease), border-color var(--ease);
  position: relative;
}
.contact-form__checkbox:checked + .contact-form__checkbox-custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.contact-form__checkbox:checked + .contact-form__checkbox-custom::after {
  content: '';
  position: absolute;
  left: 4px; top: 1px;
  width: 6px; height: 10px;
  border: 2px solid white;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.contact-form__checkbox:focus-visible + .contact-form__checkbox-custom {
  box-shadow: 0 0 0 3px rgba(167,43,83,.25);
}

.contact-form__checkbox-text {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Submit button & required note ── */
.contact-form__submit {
  width: 100%;
  justify-content: center;
  margin-top: .25rem;
}

.contact-form { flex: 1; }

.contact-form__required-note {
  font-size: .78rem;
  color: var(--text-subtle);
  margin-top: .6rem;
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .contact-page__grid {
    grid-template-columns: 1fr;
  }
  .contact-hero { padding: 3.5rem 0 2.5rem; }
}