/* ============================================================
   VEYOND - Future Architecture Design System
   Cinematic Depth direction. Dark, precise, one accent colour.
   ============================================================ */

/* Inter lokal (SIL OFL 1.1, siehe ../fonts/OFL-LICENSE.txt) */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/inter-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/inter-latin-ext-500-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/inter-latin-500-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root {
  --bg-0: #050608;          /* page canvas, deep black */
  --bg-1: #0A0C10;          /* section / card background */
  --bg-2: #12151A;          /* raised card background */
  --border: #1E222A;
  --border-strong: #2B303A;
  --text-primary: #F2F4F6;
  --text-secondary: #9BA1AA;
  --text-muted: #5B616B;
  --accent: #00E5FF;
  --accent-dim: rgba(0, 229, 255, 0.10);
  --accent-line: rgba(0, 229, 255, 0.35);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --gap-xs: 8px;
  --gap-sm: 16px;
  --gap-md: 24px;
  --gap-lg: 48px;
  --gap-xl: 96px;

  --dur: 0.6s;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg-0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-primary);
}

p { margin: 0; color: var(--text-secondary); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

/* Background grid motif: faint vertical column guides, "architecture breathes" */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent calc(var(--container) / 8)
  );
  background-position: center top;
  background-repeat: no-repeat;
  background-size: var(--container) 100%;
}

@media (max-width: 900px) {
  .grid-overlay { display: none; }
}

/* ---------------- Nav ---------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 6, 8, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand svg { display: block; }

.brand-word {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--ease);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-primary);
}

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-toggle {
  display: flex;
  border: 0.5px solid var(--border-strong);
  border-radius: 4px;
  overflow: hidden;
}

.lang-toggle button {
  font-family: var(--font-sans);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 6px 10px;
  cursor: pointer;
  transition: color 0.25s, background 0.25s;
}

.lang-toggle button.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 20px;
  height: 1px;
  background: var(--text-primary);
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .site-nav.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-1);
    border-bottom: 0.5px solid var(--border);
    padding: 24px 20px;
    gap: 20px;
  }
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  padding: 13px 24px;
  border-radius: 4px;
  border: 0.5px solid var(--border-strong);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
  cursor: pointer;
  background: transparent;
  color: var(--text-primary);
}

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

.btn-primary:hover {
  background: var(--accent-dim);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  color: var(--accent);
}

.btn-arrow {
  transition: transform 0.3s var(--ease);
}

.btn:hover .btn-arrow {
  transform: translate(3px, -3px);
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 76px;
  overflow: hidden;
}

.hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 30% 40%, rgba(0,229,255,0.06), transparent 70%),
              linear-gradient(180deg, transparent 60%, var(--bg-0) 100%);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 24px;
  text-transform: uppercase;
}

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

.hero h1 {
  font-size: clamp(40px, 6.5vw, 88px);
  line-height: 1.02;
  max-width: 15ch;
}

.hero p.lead {
  margin-top: 28px;
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--text-secondary);
  max-width: 46ch;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.scroll-cue {
  position: absolute;
  bottom: 40px;
  left: 32px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.scroll-cue .line {
  width: 1px;
  height: 32px;
  background: linear-gradient(var(--accent), transparent);
}

/* ---------------- Sections ---------------- */
section { position: relative; z-index: 2; }

.section {
  padding: var(--gap-xl) 0;
  border-top: 0.5px solid var(--border);
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--gap-lg);
}

.section-label {
  display: block;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.15;
}

.section .lead {
  margin-top: 20px;
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ---------------- Grid / Cards ---------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
}

@media (max-width: 860px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

@media (min-width: 861px) and (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.card {
  background: var(--bg-1);
  padding: 40px 32px;
  transition: background 0.3s var(--ease);
}

.card:hover { background: var(--bg-2); }

.card .index {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 24px;
  display: block;
}

.card h3 {
  font-size: 20px;
  margin-bottom: 14px;
}

.card p {
  font-size: 14.5px;
  line-height: 1.7;
}

.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--accent);
}

.card .card-link .btn-arrow { transition: transform 0.3s var(--ease); }
.card:hover .card-link .btn-arrow { transform: translate(3px, -3px); }

/* ---------------- Stat row ---------------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap-md);
  margin-top: var(--gap-lg);
}

@media (max-width: 860px) {
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.stat-row .stat {
  border-left: 1px solid var(--border-strong);
  padding-left: 16px;
}

.stat .num {
  font-size: 28px;
  color: var(--text-primary);
  font-weight: 500;
}

.stat .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ---------------- Portrait card ---------------- */
.card-media {
  padding: 0;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: auto;
  display: block;
}

.card-media:hover { background: var(--bg-1); }

/* ---------------- Portrait / image placeholder ---------------- */
.placeholder {
  border: 1px dashed var(--border-strong);
  background: var(--bg-1);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.4px;
  padding: 32px;
  line-height: 1.6;
}

/* ---------------- Footer ---------------- */
.site-footer {
  border-top: 0.5px solid var(--border);
  padding: var(--gap-lg) 0 var(--gap-md);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: var(--gap-lg);
  flex-wrap: wrap;
}

.footer-cols {
  display: flex;
  gap: var(--gap-xl);
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col a, .footer-col p {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  margin-top: var(--gap-lg);
  padding-top: var(--gap-md);
  border-top: 0.5px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a:hover { color: var(--accent); }

/* ---------------- Scroll reveal ---------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------------- Page hero (non-home, calmer) ---------------- */
.page-hero {
  padding: 180px 0 var(--gap-lg);
  border-bottom: 0.5px solid var(--border);
}

.page-hero .section-label { margin-bottom: 20px; }

.page-hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  max-width: 20ch;
}

.page-hero .lead {
  margin-top: 24px;
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 56ch;
  line-height: 1.75;
}

/* ---------------- Divider line ---------------- */
.hline {
  height: 1px;
  background: var(--border);
  margin: var(--gap-lg) 0;
}

/* ---------------- Hero entrance ---------------- */
@keyframes heroIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content .eyebrow { animation: heroIn 0.8s var(--ease) both 0.05s; }
.hero-content h1 { animation: heroIn 0.9s var(--ease) both 0.15s; }
.hero-content p.lead { animation: heroIn 0.9s var(--ease) both 0.3s; }
.hero-content .hero-actions { animation: heroIn 0.9s var(--ease) both 0.45s; }

@media (prefers-reduced-motion: reduce) {
  .hero-content .eyebrow,
  .hero-content h1,
  .hero-content p.lead,
  .hero-content .hero-actions {
    animation: none;
  }
}

/* ---------------- One-Pager ---------------- */
html { scroll-padding-top: 76px; }

.hero-content { width: 100%; }

.hero p.lead + p.lead { margin-top: 16px; }

.section-head .lead { margin-top: 12px; }

.grid-portrait {
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
}

.vita,
.produkte {
  list-style: none;
  margin: 0;
  padding: 0;
}

.vita li {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 16px 0;
  border-bottom: 0.5px solid var(--border);
}

.vita li:first-child { padding-top: 0; }

.cards-getrennt {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap-lg);
  align-items: start;
}

.cards-getrennt > .card { border: 0.5px solid var(--border-strong); }

.produkte { margin-top: 24px; }

.produkte li {
  padding: 14px 0;
  border-top: 0.5px solid var(--border);
  font-size: 14.5px;
  color: var(--text-secondary);
}

.produkte a,
.produkte li > span {
  display: block;
}

.produkte a {
  color: var(--accent);
  font-size: 15px;
  margin-bottom: 2px;
}

.produkte .btn-arrow {
  display: inline-block;
  margin-left: 6px;
}

.footer-bottom { margin-top: 0; border-top: none; padding-top: 0; }

.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }

.grid-kontakt .card { padding: 40px 24px; }

.grid-kontakt .card a { overflow-wrap: anywhere; }

@media (min-width: 1081px) {
  .grid-kontakt {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) minmax(0, 1fr);
  }

  .grid-kontakt .card a { overflow-wrap: normal; white-space: nowrap; }
}

@media (max-width: 860px) {
  .grid-portrait,
  .cards-getrennt { grid-template-columns: 1fr; }
}