/* ========================================
   CSS RESET & CUSTOM PROPERTIES
======================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* Lenis Smooth Scroll */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

:root {
  /* Brand Colors */
  --red: #CC2828;
  --red-light: #E03535;
  --red-dark: #A01E1E;
  --charcoal: #5A5450;
  --charcoal-light: #6E6762;
  --cream: #F5F2EE;
  --cream-dark: #E8E4DF;
  --silver: #9A9A9A;
  --near-black: #3A3530;
  --white: #FFFFFF;

  /* Functional */
  --bg-dark: var(--charcoal);
  --bg-light: var(--cream);
  --warm-cream: var(--cream);
  --text-dark: var(--near-black);
  --text-light: var(--white);
  --text-muted: var(--silver);
  --accent: var(--red);

  /* Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;

  /* Typography Scale */
  --font-display: 'General Sans', 'Outfit', sans-serif;
  --font-heading: var(--font-display);
  --font-body: 'General Sans', 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.95rem);
  --text-base: clamp(0.95rem, 0.88rem + 0.35vw, 1.125rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  --text-xl: clamp(1.3rem, 1.1rem + 1vw, 2rem);
  --text-2xl: clamp(1.8rem, 1.4rem + 2vw, 3rem);
  --text-3xl: clamp(2.2rem, 1.6rem + 3vw, 4.5rem);
  --text-4xl: clamp(2.8rem, 1.8rem + 5vw, 6.5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  /* Grid */
  --grid-cols: 6;
  --grid-gap: 1.5rem;
  --grid-pad: 2rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 0.2s;
  --duration-med: 0.5s;
  --duration-slow: 0.8s;
}

@media (min-width: 601px) {
  :root {
    --grid-cols: 12;
    --grid-gap: 1.5rem;
    --grid-pad: 2.5rem;
  }
}

@media (min-width: 901px) {
  :root {
    --grid-cols: 24;
    --grid-gap: 2rem;
    --grid-pad: 4rem;
  }
}

/* ========================================
   BASE STYLES
======================================== */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   SVG NOISE GRAIN TEXTURE
======================================== */
.grain {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  transform: translateZ(0);
}

/* ========================================
   GRID SYSTEM
======================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--grid-gap);
  padding-left: var(--grid-pad);
  padding-right: var(--grid-pad);
}

.grid-full {
  grid-column: 1 / -1;
}

/* ========================================
   BUTTONS
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 1.25rem 2.4rem;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--duration-med) var(--ease-out);
}

.btn:hover::before {
  transform: scaleX(1);
  transform-origin: left center;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary::before {
  background: var(--red-dark);
}

.btn-dark {
  background: var(--near-black);
  color: var(--white);
}

.btn-dark::before {
  background: var(--charcoal);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid color-mix(in srgb, var(--white) 30%, transparent);
}

.btn-outline::before {
  background: color-mix(in srgb, var(--white) 10%, transparent);
}

.btn-outline:hover {
  border-color: color-mix(in srgb, var(--white) 60%, transparent);
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn .btn-arrow {
  position: relative;
  z-index: 1;
  width: 1.2rem;
  height: 1.2rem;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ========================================
   LINKS WITH UNDERLINE ANIMATION
======================================== */
.link-underline {
  position: relative;
  display: inline-block;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--duration-med) var(--ease-out);
}

.link-underline:hover::after,
.link-underline:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* ========================================
   SECTION LABEL (mono accent text)
======================================== */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-label.is-light {
  color: color-mix(in srgb, var(--white) 50%, transparent);
}

.section-label.is-red {
  color: var(--accent);
}

/* ========================================
   INTRO ANIMATION OVERLAY
======================================== */
.intro {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--charcoal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
}

.intro-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-logo img {
  width: clamp(14rem, 10rem + 20vw, 28rem);
  height: auto;
  opacity: 0;
  transform: scale(0.35);
  will-change: transform, opacity;
}

/* ========================================
   HEADER / NAVIGATION
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem var(--grid-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform var(--duration-med) var(--ease-out),
              opacity var(--duration-med) var(--ease-out);
}

.header.is-scrolled .header-bg {
  opacity: 1;
}

/* Light-mode header (non-scrolled, non-pill): dark burger on cream */
.header:not(.is-scrolled):not(.header--pill) .burger {
  background: color-mix(in srgb, var(--near-black) 6%, transparent);
}

.header:not(.is-scrolled):not(.header--pill) .burger-line {
  background: var(--near-black);
}

.header-bg {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--charcoal) 85%, transparent);
  backdrop-filter: blur(2rem);
  -webkit-backdrop-filter: blur(2rem);
  opacity: 0;
  transition: opacity var(--duration-med) var(--ease-out);
  border-bottom: 1px solid color-mix(in srgb, var(--white) 5%, transparent);
}

.header-logo {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 2.2rem;
  width: auto;
}

.header-logo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* Burger Button */
.burger {
  position: relative;
  z-index: 2;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: color-mix(in srgb, var(--white) 8%, transparent);
  border-radius: 50%;
  backdrop-filter: blur(0.5rem);
  transition: transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.burger:hover {
  transform: scale(1.08);
}

.burger:active {
  transform: scale(0.95);
}

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

.burger-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 18px;
}

.burger-line {
  width: 100%;
  height: 1.5px;
  background: var(--white);
  transition: transform var(--duration-med) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
  transform-origin: center;
}

.burger.is-open .burger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.burger.is-open .burger-line:nth-child(2) {
  opacity: 0;
}

.burger.is-open .burger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ========================================
   SLIDE-OUT MENU
======================================== */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: color-mix(in srgb, var(--near-black) 60%, transparent);
  backdrop-filter: blur(0.5rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-med) var(--ease-out);
}

.menu-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.menu {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  z-index: 999;
  width: min(80rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  background: color-mix(in srgb, var(--charcoal) 85%, transparent);
  backdrop-filter: blur(1.5rem) saturate(1.2);
  -webkit-backdrop-filter: blur(1.5rem) saturate(1.2);
  border: 1px solid color-mix(in srgb, var(--white) 8%, transparent);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--white) 6%, transparent) inset,
    0 24px 80px color-mix(in srgb, #000 45%, transparent),
    0 8px 24px color-mix(in srgb, #000 25%, transparent);
  transform: translate(-50%, calc(100% + 2rem));
  transition: transform var(--duration-slow) var(--ease-out),
              opacity var(--duration-slow) var(--ease-out);
  opacity: 0;
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md) var(--space-xl);
}

@media (min-width: 701px) {
  .menu {
    grid-template-columns: repeat(2, 1fr);
    padding: var(--space-xl);
  }
}

@media (min-width: 1001px) {
  .menu {
    grid-template-columns: repeat(3, 1fr);
  }
}

.menu.is-open {
  transform: translate(-50%, 0);
  opacity: 1;
}

.menu-section {
  margin-bottom: 0;
}

.menu-heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid color-mix(in srgb, var(--white) 8%, transparent);
}

.menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--white);
  padding: 0.5rem 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-fast) var(--ease-out);
}

.menu-link:hover {
  color: var(--accent);
}

.menu-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu-link .arrow {
  font-size: 0.8em;
  opacity: 0;
  transform: translateX(-8px);
  transition: transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.menu-link:hover .arrow {
  opacity: 1;
  transform: translateX(0);
}

.menu-sublinks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem var(--space-md);
  padding-left: 0;
}

.menu-sublink {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--silver);
  padding: 0.35rem 0;
  opacity: 0;
  transform: translateY(12px);
}

.menu-sublink:hover {
  color: var(--white);
}

.menu-sublink:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu-contact {
  grid-column: 1 / -1;
  margin-top: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid color-mix(in srgb, var(--white) 8%, transparent);
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem var(--space-lg);
}

.menu-contact-line {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--silver);
  margin-bottom: 0.5rem;
}

.menu-contact-line a:hover {
  color: var(--white);
}

/* ========================================
   FOOTER
======================================== */
.footer {
  background: var(--near-black);
  padding: var(--space-xl) 0 var(--space-md);
  position: relative;
}

.footer-top {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid color-mix(in srgb, var(--white) 8%, transparent);
}

@media (min-width: 601px) {
  .footer-top {
    grid-column: 2 / 23;
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  margin-bottom: var(--space-md);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.footer-logo img {
  height: 2.5rem;
  width: auto;
}

.footer-desc {
  font-size: var(--text-sm);
  color: var(--silver);
  max-width: 22rem;
  margin-bottom: var(--space-md);
}

.footer-address {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--white) 40%, transparent);
  font-style: normal;
  line-height: 1.8;
}

.footer-address a:hover {
  color: var(--white);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--white) 50%, transparent);
  transition: transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.footer-link:hover {
  color: var(--white);
}

.footer-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.footer-bottom {
  grid-column: 1 / -1;
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 601px) {
  .footer-bottom {
    grid-column: 2 / 23;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-copy {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--white) 30%, transparent);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-legal a {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--white) 30%, transparent);
}

.footer-legal a:hover {
  color: var(--white);
}

.footer-legal a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.footer-bvrs {
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--white) 30%, transparent);
}

/* ========================================
   REVEAL ANIMATION HELPER
======================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

/* ========================================
   RESPONSIVE FINE-TUNING
======================================== */
@media (max-width: 600px) {
  .hero {
    padding-bottom: var(--space-lg);
  }

  .hero-scroll {
    display: none;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .product-card {
    min-height: 16rem;
  }

  .news-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .cta-banner {
    padding: var(--space-xl) 0;
  }

  .footer-legal {
    flex-wrap: wrap;
    gap: var(--space-sm) var(--space-md);
  }
}

/* ==========================================================================
   Parallax Backdrop — full-bleed fixed background with text overlay
   ========================================================================== */
.parallax-backdrop {
  position: relative;
  width: 100%;
  min-height: clamp(28rem, 80vh, 46rem);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding: clamp(5rem, 10vh, 8rem) 0;
  overflow: hidden;
  isolation: isolate;
}

.parallax-backdrop-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--near-black) 55%, transparent) 0%,
      color-mix(in srgb, var(--near-black) 35%, transparent) 40%,
      color-mix(in srgb, var(--near-black) 55%, transparent) 100%
    );
  pointer-events: none;
}

.parallax-backdrop .grid {
  position: relative;
  z-index: 2;
}

.parallax-backdrop-content {
  grid-column: 1 / -1;
  max-width: 44rem;
}

@media (min-width: 901px) {
  .parallax-backdrop-content {
    grid-column: 2 / span 8;
  }
}

.parallax-backdrop-heading {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: clamp(2rem, 4.5vw + 0.5rem, 4rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0.75rem 0 0;
}

.parallax-backdrop-heading em {
  font-family: 'Instrument Serif', 'Plus Jakarta Sans', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent, #C8202A);
}

@media (max-width: 900px) {
  .parallax-backdrop {
    background-attachment: scroll;
    min-height: 26rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .parallax-backdrop { background-attachment: scroll; }
}

/* Panel variant — lets multiple grids (header, cards, anspruch) stack on
   one shared parallax image while white cards stay readable on top. */
.parallax-backdrop--panel {
  display: block;
  align-items: stretch;
  min-height: 0;
  padding: clamp(4rem, 9vh, 7rem) 0;
}
.parallax-backdrop--panel > .grid + .grid {
  margin-top: clamp(2.5rem, 5vh, 4rem);
}
.parallax-backdrop--panel .page-section-header {
  max-width: 56ch;
}
.parallax-backdrop--panel .page-section-heading {
  color: #fff;
}
.parallax-backdrop--panel .page-section-text {
  color: color-mix(in srgb, #fff 75%, transparent);
}
.parallax-backdrop--panel .value-card {
  background: var(--white);
  border-color: color-mix(in srgb, #fff 18%, transparent);
  backdrop-filter: blur(2px);
  box-shadow:
    0 1px 3px color-mix(in srgb, #000 10%, transparent),
    0 18px 40px color-mix(in srgb, #000 18%, transparent);
}