/* ============================================
   nexthop.engineering – Refined Dark
   Aesthetic: Precise, architectural, premium
   Fonts: Syne (display/headings) + Outfit (body) + JetBrains Mono (code/mono)
   ============================================ */

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

:root {
  --bg-primary: #08080d;
  --bg-primary-rgb: 8, 8, 13;
  --bg-secondary: #0e0e16;
  --bg-card: #111119;
  --bg-card-hover: #16161f;
  --border: #1a1a28;
  --border-accent: rgba(var(--accent-rgb), 0.15);
  --text-primary: #eeeef0;
  --text-secondary: #9898a6;
  --text-muted: #7a7a8e;
  --text-heading: #c8c8d2;
  --accent: #8b5cf6;
  --accent-rgb: 139, 92, 246;
  --accent-hover: #a78bfa;
  --accent-dark: #7c3aed;
  --accent-dark-rgb: 124, 58, 237;
  --accent-glow: rgba(var(--accent-rgb), 0.1);
  --accent-glow-strong: rgba(var(--accent-rgb), 0.25);
  --accent-secondary: #06b6d4;
  --accent-secondary-rgb: 6, 182, 212;
  --accent-secondary-hover: #22d3ee;
  --accent-secondary-glow: rgba(var(--accent-secondary-rgb), 0.1);
  --accent-secondary-glow-strong: rgba(var(--accent-secondary-rgb), 0.25);
  --accent-warm: #f59e0b;
  --accent-warm-rgb: 245, 158, 11;
  --white-rgb: 255, 255, 255;
  --error-rgb: 239, 68, 68;


  --font-display: 'Switzer', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
  position: relative;
}

/* Noise texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--noise);
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 50;
  opacity: 0.3;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* --- Focus visible (WCAG accessibility) --- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:focus-visible,
.lang-btn:focus-visible,
.nav-mobile-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-heading);
}

h1 {
  font-size: clamp(1.8rem, 4.2vw, 3rem);
  font-weight: 800;
  overflow-wrap: break-word;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 60ch;
}

/* --- Section Layout --- */
.section {
  padding: 8rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.section-bg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.section > *:not(.section-bg-canvas) {
  position: relative;
  z-index: 1;
}


.section-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--text-muted);
}

.section-title {
  margin-bottom: 1.25rem;
  text-align: left;
  font-size: 2.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 4rem;
  max-width: 600px;
  font-weight: 400;
  text-align: left;
}

/* Centered exceptions — Hero und dot11 bleiben zentriert */
.hero .section-title,
.hero .section-subtitle,
.hero .section-label,
#dot11-partner .section-title,
#dot11-partner .section-subtitle,
#dot11-partner .section-label {
  text-align: center;
}

/* Centered subtitles need auto margins too — text-align alone
   doesn't center a block with max-width. */
.hero .section-subtitle,
#dot11-partner .section-subtitle {
  margin-inline: auto;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
  border: none;
  margin: 0;
}


/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  background: rgba(var(--bg-primary-rgb),0.6);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(var(--bg-primary-rgb),0.92);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo {
  display: flex;
  align-items: center;
  transition: opacity 0.3s ease;
}

.nav-logo img {
  height: 34px;
  width: auto;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2vw, 2.5rem);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 0.35rem 0.7rem;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease;
  letter-spacing: 0.08em;
}

.lang-btn.active {
  background: var(--accent);
  color: rgb(var(--white-rgb));
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(var(--white-rgb),0.03);
}

/* Mobile menu */
.nav-mobile-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.45rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s ease;
}

.nav-mobile-btn:hover {
  border-color: var(--accent);
}

.nav-mobile-btn svg {
  width: 20px;
  height: 20px;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 10rem 2rem 8rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: max(800px, 55vw);
  height: max(800px, 55vw);
  background: radial-gradient(circle, rgba(var(--accent-rgb),0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: max(600px, 42vw);
  height: max(600px, 42vw);
  background: radial-gradient(circle, rgba(var(--accent-secondary-rgb),0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.hero h1 {
  margin-bottom: 2rem;
  max-width: 800px;
}

.hero h1 .highlight {
  color: var(--accent);
  display: inline;
  text-decoration: underline;
  text-decoration-color: rgba(var(--accent-rgb),0.35);
  text-underline-offset: 6px;
  text-decoration-thickness: 3px;
  text-decoration-skip-ink: none;
}

.hero h1 .highlight .typing-cursor {
  color: var(--accent);
  font-weight: 200;
  font-family: var(--font-body);
  opacity: 0.7;
  animation: blink-cursor 1s step-end infinite;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 3rem;
  line-height: 1.85;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1), background 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1), color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

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

/* Shimmer sweep (diagonal light streak on hover) */
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(var(--white-rgb), 0.18) 45%,
    rgba(var(--white-rgb), 0.25) 50%,
    rgba(var(--white-rgb), 0.18) 55%,
    transparent 80%
  );
  transform: skewX(-20deg);
  transition: left 0s 0.4s;
}

.btn-primary:hover::before {
  left: 130%;
  transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Border glow (scanning ring on hover) */
.btn-primary::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--btn-glow-angle, 0deg),
    transparent 0%,
    rgba(var(--accent-rgb), 0.6) 10%,
    transparent 20%,
    transparent 100%
  );
  opacity: 0;
  z-index: -1;
  transition: opacity 0.35s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(var(--accent-rgb), 0.35), 0 0 20px rgba(var(--accent-rgb), 0.15);
  animation: btn-glow-spin 2.5s linear infinite;
}

.btn-primary:hover::after {
  opacity: 1;
}

@keyframes btn-glow-spin {
  to { --btn-glow-angle: 360deg; }
}

@property --btn-glow-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* Shimmer sweep for secondary */
.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(var(--accent-rgb), 0.08) 45%,
    rgba(var(--accent-rgb), 0.12) 50%,
    rgba(var(--accent-rgb), 0.08) 55%,
    transparent 80%
  );
  transform: skewX(-20deg);
  transition: left 0s 0.4s;
}

.btn-secondary:hover::before {
  left: 130%;
  transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 24px rgba(var(--accent-rgb), 0.1);
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.service-card {
  background: var(--bg-secondary);
  padding: 2.5rem;
  transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* Mouse glow overlay */
.service-card::after,
.partner-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(var(--accent-rgb),0.12) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.service-card:last-child {
  grid-column: 1 / -1;
  text-align: center;
}

.service-card:last-child .service-icon {
  margin-left: auto;
  margin-right: auto;
}

.service-card:last-child .service-tags {
  justify-content: center;
}

.service-card:last-child h3,
.service-card:last-child p {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.service-card:last-child::after {
  background: radial-gradient(
    600px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(var(--accent-rgb),0.10) 0%,
    transparent 60%
  );
}

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

.service-card:hover::after {
  opacity: 1;
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--accent-secondary-rgb),0.08);
  border: 1px solid rgba(var(--accent-secondary-rgb),0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-secondary);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
  position: relative;
  z-index: 1;
}

.service-card:hover .service-icon {
  background: rgba(var(--accent-secondary-rgb),0.15);
  border-color: rgba(var(--accent-secondary-rgb),0.3);
  box-shadow: 0 0 24px rgba(var(--accent-secondary-rgb),0.15);
  transform: scale(1.05);
}

.service-icon svg {
  width: 22px;
  height: 22px;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  position: relative;
  z-index: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  background: rgba(var(--white-rgb),0.03);
  border: 1px solid rgba(var(--white-rgb),0.06);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  letter-spacing: 0.04em;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.service-card:hover .service-tag {
  border-color: var(--border-accent);
  color: var(--text-secondary);
}

.service-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.25rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  position: relative;
  z-index: 1;
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1), gap 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-detail-link:hover {
  color: var(--accent-hover);
  gap: 0.55rem;
}

/* --- Philosophy --- */
.philosophy-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6rem;
  align-items: start;
}

.philosophy-text p {
  margin-bottom: 1.75rem;
  font-size: 1.08rem;
  line-height: 1.9;
  font-weight: 400;
}

.philosophy-text p:last-child {
  margin-bottom: 0;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.35rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.value-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(var(--accent-rgb),0.12) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.value-item:hover::after {
  opacity: 1;
}

.value-item:last-child {
  border-bottom: none;
}

.value-item:hover {
  background: var(--bg-card);
  transform: translateX(0.25rem);
}

.value-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(var(--accent-rgb),0.06);
  border: 1px solid rgba(var(--accent-rgb),0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.value-item:hover .value-icon {
  background: rgba(var(--accent-rgb),0.12);
  border-color: rgba(var(--accent-rgb),0.2);
}

.value-icon svg {
  width: 16px;
  height: 16px;
}

.value-item h4 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  margin-bottom: 0.1rem;
  font-weight: 600;
}

.value-item p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* --- Team / Über uns --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.team-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb),0.2), transparent);
  transition: opacity 0.4s ease;
}

.team-card:hover {
  border-color: rgba(var(--accent-rgb),0.15);
  background: var(--bg-card);
  transform: translateY(-3px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(var(--accent-rgb),0.04);
}

.team-card-inner {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.team-avatar {
  position: relative;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.team-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb),0.12) 0%, rgba(var(--accent-dark-rgb),0.06) 100%);
  border: 1px solid rgba(var(--accent-rgb),0.15);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.team-card:hover .team-initials {
  background: linear-gradient(135deg, rgba(var(--accent-rgb),0.2) 0%, rgba(var(--accent-dark-rgb),0.1) 100%);
  border-color: rgba(var(--accent-rgb),0.3);
  box-shadow: 0 0 30px rgba(var(--accent-rgb),0.12);
}

/* Team card flip */
.team-card-flippable {
  perspective: 1200px;
}

.team-card-flippable:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border);
  background: var(--bg-secondary);
}

.team-card-flipper {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}

/* Hover flip — only for devices with a real pointer (not touch) */
@media (hover: hover) and (pointer: fine) {
  .team-card-flippable:hover .team-card-flipper {
    transform: rotateY(180deg);
  }

  .team-card-flippable:hover .team-card-back img {
    opacity: 1;
    transform: scale(1);
    filter: blur(0) brightness(0.7) contrast(1.15) saturate(0.85);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s,
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.25s,
                filter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
  }
}

/* Tap flip — JS toggles .flipped class on touch/non-hover devices */
.team-card-flipper.flipped {
  transform: rotateY(180deg);
}

.team-card-front {
  position: relative;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: rotateY(0deg);
}

.team-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: rotateY(180deg);
  border-radius: 15px;
  overflow: hidden;
}

/* Cinematic dark vignette — fades photo edges into card bg */
.team-card-back::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 15px;
  background: radial-gradient(
    ellipse 80% 80% at center 40%,
    transparent 30%,
    rgba(var(--bg-primary-rgb),0.45) 70%,
    rgba(var(--bg-primary-rgb),0.8) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.team-card-back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  opacity: 0;
  transform: scale(1.06);
  filter: blur(4px) brightness(0.7) contrast(1.15) saturate(0.85);
  /* Reverse (out): fast fade, no delay — disappears before card flips back */
  transition: opacity 0.2s ease,
              transform 0.2s ease,
              filter 0.15s ease;
}

.team-card-flipper.flipped .team-card-back img {
  opacity: 1;
  transform: scale(1);
  filter: blur(0) brightness(0.7) contrast(1.15) saturate(0.85);
  /* Forward (in): delayed cinematic reveal — materializes during flip */
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s,
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.25s,
              filter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

/* --- WiFi Pulse Easter Egg (Renzo's card) --- */
.wifi-pulse-back {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.wifi-pulse-container {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: wifi-scan 12s linear infinite;
}

@keyframes wifi-scan {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Classic WiFi quarter-circle arcs */
.wifi-arc {
  position: absolute;
  bottom: 50%;
  left: 50%;
  border: 2px solid transparent;
  border-top-color: var(--accent-secondary);
  border-right-color: var(--accent-secondary);
  border-radius: 0 100% 0 0;
  transform-origin: 0% 100%;
  animation: wifi-beacon 2.4s ease-in-out infinite;
}

.wifi-arc-1 {
  width: 36px;
  height: 36px;
  animation-delay: 0s;
}

.wifi-arc-2 {
  width: 56px;
  height: 56px;
  animation-delay: 0.2s;
}

.wifi-arc-3 {
  width: 76px;
  height: 76px;
  animation-delay: 0.4s;
}

.wifi-arc-4 {
  width: 96px;
  height: 96px;
  animation-delay: 0.6s;
}

@keyframes wifi-beacon {
  0%, 100% { opacity: 0.1; }
  30%      { opacity: 0.8; }
  60%      { opacity: 0.1; }
}

.wifi-initials {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent-secondary-hover);
  letter-spacing: 0.15em;
  text-shadow: 0 0 20px rgba(var(--accent-secondary-rgb),0.5), 0 0 40px rgba(var(--accent-secondary-rgb),0.2);
  /* Counter-rotate to keep text upright */
  animation: wifi-scan-reverse 12s linear infinite;
}

@keyframes wifi-scan-reverse {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}

.wifi-rssi {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-secondary);
  letter-spacing: 0.03em;
}

.wifi-rssi-bar {
  width: 48px;
  height: 4px;
  background: var(--bg-secondary);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.wifi-rssi-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--rssi-width, 100%);
  background: linear-gradient(90deg, var(--accent-secondary), var(--accent-secondary-hover));
  border-radius: 2px;
  transition: width 0.08s linear;
}


.team-avatar-ring {
  position: absolute;
  inset: -4px;
  border-radius: 18px;
  border: 1px solid rgba(var(--accent-rgb),0.06);
  transition: border-color 0.4s ease, inset 0.4s ease, border-radius 0.4s ease;
}

.team-card:hover .team-avatar-ring {
  border-color: rgba(var(--accent-rgb),0.12);
  inset: -6px;
  border-radius: 20px;
}

.team-info h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.team-role {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-secondary);
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.team-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-weight: 400;
}

.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.team-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  background: rgba(var(--white-rgb),0.03);
  border: 1px solid rgba(var(--white-rgb),0.06);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  letter-spacing: 0.04em;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.team-card:hover .team-tag {
  border-color: var(--border-accent);
  color: var(--text-secondary);
}

/* --- Partners --- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.partner-card {
  background: var(--bg-secondary);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* partner-card ::after is combined with service-card above */

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

.partner-card:hover::after {
  opacity: 1;
}

.partner-logo-area {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(var(--accent-secondary-rgb),0.06);
  border: 1px solid rgba(var(--accent-secondary-rgb),0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-secondary);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
  position: relative;
  z-index: 1;
}

.partner-card:hover .partner-logo-area {
  background: rgba(var(--accent-secondary-rgb),0.15);
  border-color: rgba(var(--accent-secondary-rgb),0.3);
  box-shadow: 0 0 24px rgba(var(--accent-secondary-rgb),0.12);
  transform: scale(1.05);
}

.partner-icon {
  width: 24px;
  height: 24px;
}

.partner-card h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.partner-type {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

/* --- Reference --- */
.reference-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.reference-card + .reference-card {
  margin-top: 1.5rem;
}

.reference-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0.3;
}

.reference-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(var(--accent-rgb),0.08) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  border-radius: 16px;
}

.reference-card:hover::after {
  opacity: 1;
}

.reference-header {
  padding: 2.25rem 2.75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.reference-header h3 {
  font-family: var(--font-display);
}

.reference-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-secondary);
  background: rgba(var(--accent-secondary-rgb),0.06);
  border: 1px solid rgba(var(--accent-secondary-rgb),0.12);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.reference-body {
  padding: 2.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
}

.reference-block h4 {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-weight: 400;
}

.reference-block p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-weight: 400;
}

.reference-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.reference-tech span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-secondary);
  background: rgba(var(--accent-secondary-rgb),0.06);
  border: 1px solid rgba(var(--accent-secondary-rgb),0.1);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.reference-tech span:hover {
  background: rgba(var(--accent-secondary-rgb),0.15);
  border-color: rgba(var(--accent-secondary-rgb),0.3);
}

/* --- Contact --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 1.25rem;
}

.contact-info > p {
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-detail-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb),0.06);
  border: 1px solid rgba(var(--accent-rgb),0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.contact-detail-icon svg {
  width: 18px;
  height: 18px;
}

.contact-detail span {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
}

.contact-detail a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-detail a:hover {
  color: var(--text-primary);
}

/* Mailto card — replaces the former contact form (removed 2026-10) */
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  min-width: 0;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow-strong), transparent);
}

.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    500px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(var(--accent-rgb),0.06) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  border-radius: 16px;
}

.contact-card:hover::after {
  opacity: 1;
}

.contact-card-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.contact-card-title {
  font-size: 1.5rem;
  color: var(--text-heading);
  margin: 0;
}

.contact-card-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 42ch;
  margin: 0 0 0.5rem;
}

.contact-card-address {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-card-address:hover {
  color: var(--text-primary);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.hero-logo {
  width: clamp(220px, 50vw, 520px);
  height: auto;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 30px rgba(var(--accent-rgb), 0.15));
}

.footer-logo {
  height: 28px;
  width: auto;
  opacity: 0.6;
}

/* [hidden] aus dem UA-Stylesheet verliert gegen die Author-Regel unten --
   deshalb muss display:none hier explizit gesetzt werden, sonst zeigt der
   Footer dauerhaft "Version --", wenn /version.json fehlt. */
.footer-version[hidden] {
  display: none;
}

.footer-version {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0.7;
  text-decoration: none;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.footer-version:hover {
  opacity: 1;
  color: var(--text-secondary);
}

.footer-version-label {
  font-weight: 400;
}

.footer-version-hash {
  font-family: var(--font-mono);
  font-weight: 500;
}

.footer-version-date {
  opacity: 0.8;
}

/* --- Animations --- */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-subtle {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes line-reveal {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.12s; }
.fade-in-delay-2 { transition-delay: 0.24s; }
.fade-in-delay-3 { transition-delay: 0.36s; }
.fade-in-delay-4 { transition-delay: 0.48s; }

/* Hero staggered entrance */
.hero h1 { animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both; }
.hero .hero-description { animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both; }
.hero .hero-actions { animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both; }

/* --- Responsive --- */
@media (max-width: 1200px) {
  .nav {
    padding: 0 1.25rem;
    z-index: 10000;
  }

  .nav.menu-open {
    height: 100vh;
    height: 100dvh;
    background: rgba(var(--bg-primary-rgb),0.95);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    z-index: 10001;
    padding: 1.5rem 1.5rem 2rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    max-width: 340px;
    list-style: none;
  }

  .nav-links a {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 1rem;
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.85rem 1.5rem;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    letter-spacing: 0.01em;
  }

  .nav-links a:hover,
  .nav-links a:active {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    color: rgb(var(--white-rgb));
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links li:last-child {
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }

  .nav-links .lang-switch {
    margin: 0 auto;
  }

  .nav-mobile-btn {
    display: flex;
    z-index: 10002;
  }

  /* Flip via tap — .flipped class is always active (not breakpoint-gated) */
}

@media (max-width: 1024px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
  }

  .reference-body {
    grid-template-columns: 1fr 1fr;
  }

  .contact-wrapper {
    gap: 3rem;
  }

}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card:last-child {
    text-align: left;
  }

  .service-card:last-child .service-icon {
    margin-left: 0;
    margin-right: 0;
  }

  .service-card:last-child .service-tags {
    justify-content: flex-start;
  }

  .philosophy-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .reference-body {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }


  .section {
    padding: 5rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 0 1.25rem;
  }

  h1 {
    font-size: clamp(1.8rem, 6vw, 2.2rem);
  }

  .hero {
    padding: 7rem 1.25rem 4rem;
    min-height: auto;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    display: flex;
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .contact-card .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .footer-links {
    gap: 1.5rem;
  }

  .footer-links a {
    padding: 0.5rem 0;
  }

  .reference-header {
    padding: 1.5rem;
  }

  .reference-body {
    padding: 1.5rem;
  }

  .contact-card {
    padding: 1.75rem;
  }


  .section {
    padding: 3.5rem 1.25rem;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }

  .partners-grid {
    grid-template-columns: 1fr 1fr;
  }

  .partner-card {
    padding: 1.75rem 1.25rem;
  }

  .team-card-inner {
    padding: 1.75rem;
  }

}

/* ============================================
   Partnership Section (nexthop × dot11)
   ============================================ */

.section-partnership {
  padding: 5rem 2rem;
  text-align: center;
}

.partnership-block {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.partnership-lockup {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.plockup-logo-nh {
  height: clamp(28px, 3vw, 42px);
  width: auto;
}

.plockup-logo-badge {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
}

.plockup-logo-d11 {
  height: clamp(28px, 3vw, 42px);
  width: auto;
}

.plockup-x {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--accent-secondary);
  opacity: 0.8;
}

.partnership-desc {
  color: var(--text-secondary);
  max-width: 48ch;
  text-align: center;
}