/*
  F² Energy Solutions — Design System
  Investor Demo v1.0
  Precision Dark Aesthetic
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=DM+Mono:wght@400;500&display=swap');

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  /* Dark backgrounds */
  --bg-0:       #080A0E;
  --bg-1:       #0D1018;
  --bg-2:       #141820;
  --bg-3:       #1C2130;
  --bg-4:       #242A3C;

  /* Light backgrounds */
  --bg-light:   #F4F3EF;
  --bg-light-2: #ECEAE3;
  --bg-light-3: #E2DFD7;

  /* Text on dark */
  --t-1:  #ECEAE3;
  --t-2:  #9A9A92;
  --t-3:  #56564F;

  /* Text on light */
  --td-1: #18191F;
  --td-2: #4A4A44;
  --td-3: #8A8A82;

  /* Petrol accent */
  --petrol:     #1B6B84;
  --petrol-l:   #2494B4;
  --petrol-dim: rgba(27,107,132,.14);
  --petrol-glow:0 0 80px rgba(27,107,132,.3), 0 0 20px rgba(27,107,132,.2);

  /* Amber accent */
  --amber:      #B8882A;
  --amber-l:    #D4A33E;
  --amber-dim:  rgba(184,136,42,.13);
  --amber-glow: 0 0 60px rgba(184,136,42,.25);

  /* Borders */
  --b-1: rgba(255,255,255,.055);
  --b-2: rgba(255,255,255,.10);
  --b-3: rgba(255,255,255,.16);
  --bl-1: rgba(0,0,0,.07);
  --bl-2: rgba(0,0,0,.12);

  /* Fonts */
  --f-display: 'Cormorant Garamond', Georgia, serif;
  --f-body:    'DM Sans', system-ui, sans-serif;
  --f-mono:    'DM Mono', monospace;

  /* Easing */
  --e-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --e-inout:  cubic-bezier(0.87, 0, 0.13, 1);
  --e-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --nav-h: 72px;
  --max-w: 1440px;
  --pad:   clamp(1.5rem, 5vw, 5rem);
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; font-size: 16px; }
body {
  font-family: var(--f-body);
  background: var(--bg-0);
  color: var(--t-1);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: none; border: none; background: none; font: inherit; }
ul { list-style: none; }
input, textarea, select {
  font-family: var(--f-body);
  font-size: 1rem;
}

/* ============================================================
   GRAIN OVERLAY
   ============================================================ */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9998;
  opacity: .022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 9s steps(10) infinite;
}
@keyframes grain {
  0%,100%{transform:translate(0,0)}
  10%{transform:translate(-5%,-5%)}
  20%{transform:translate(-10%,5%)}
  30%{transform:translate(5%,-10%)}
  40%{transform:translate(-5%,15%)}
  50%{transform:translate(-10%,5%)}
  60%{transform:translate(15%,0)}
  70%{transform:translate(0,10%)}
  80%{transform:translate(-15%,0)}
  90%{transform:translate(10%,5%)}
}

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor-dot, .cursor-ring {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  transition: opacity .3s var(--e-out);
}
.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--t-1);
  top: 0; left: 0;
  transition: width .2s, height .2s, background .2s;
}
.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.35);
  top: 0; left: 0;
  transition: width .4s var(--e-out), height .4s var(--e-out), border-color .3s;
}
body.cursor-hover .cursor-dot  { width: 10px; height: 10px; background: var(--petrol-l); }
body.cursor-hover .cursor-ring { width: 56px; height: 56px; border-color: var(--petrol-l); }
body.cursor-click .cursor-dot  { width: 4px; height: 4px; }
body.cursor-click .cursor-ring { width: 28px; height: 28px; }

/* ============================================================
   SCROLL PROGRESS
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--petrol), var(--amber));
  z-index: 10000;
  transition: width .1s linear;
}

/* ============================================================
   PAGE LOADER
   ============================================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: var(--bg-0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .8s var(--e-inout), visibility .8s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo {
  font-family: var(--f-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: .02em;
  color: var(--t-1);
}
.loader-logo span { color: var(--petrol-l); }
.loader-line {
  width: 0;
  height: 1px;
  background: var(--b-3);
  margin-top: 1.5rem;
  transition: width 1s var(--e-out);
}
.loader-line::after {
  content: '';
  display: block;
  height: 100%;
  background: var(--petrol);
  width: 0;
  animation: loader-fill 1.2s var(--e-out) .1s forwards;
}
@keyframes loader-fill { to { width: 100%; } }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background .4s var(--e-out), backdrop-filter .4s;
}
.nav.scrolled {
  background: rgba(8,10,14,.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--b-1);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav-logo {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: .02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo span { color: var(--petrol-l); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}
.nav-links li { position: relative; }
.nav-links a {
  display: block;
  padding: .4rem .85rem;
  font-size: .82rem;
  font-weight: 400;
  color: var(--t-2);
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: color .25s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--t-1); }
.nav-links a.active { color: var(--t-1); }
.nav-links .highlight a {
  color: var(--amber-l);
  font-weight: 500;
}
.nav-links .highlight a:hover { color: var(--amber); }
.nav-cta {
  margin-left: 1rem;
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--t-1);
  transition: transform .3s var(--e-out), opacity .2s;
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg-1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s var(--e-out);
}
.nav-mobile.open { opacity: 1; pointer-events: all; }
.nav-mobile a {
  font-family: var(--f-display);
  font-size: clamp(2rem,5vw,3.5rem);
  font-weight: 300;
  color: var(--t-1);
  transition: color .2s;
}
.nav-mobile a:hover { color: var(--petrol-l); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  font-family: var(--f-body);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all .3s var(--e-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .3s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--petrol);
  color: #fff;
}
.btn-primary::after { background: var(--petrol-l); }
.btn-primary:hover { box-shadow: var(--petrol-glow); }

.btn-amber {
  background: var(--amber);
  color: #fff;
}
.btn-amber::after { background: var(--amber-l); }
.btn-amber:hover { box-shadow: var(--amber-glow); }

.btn-ghost {
  border: 1px solid var(--b-3);
  color: var(--t-1);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,.4);
  background: rgba(255,255,255,.04);
}

.btn-ghost-dark {
  border: 1px solid var(--bl-2);
  color: var(--td-1);
}
.btn-ghost-dark:hover {
  border-color: rgba(0,0,0,.25);
  background: rgba(0,0,0,.04);
}

.btn-sm { padding: .55rem 1.2rem; font-size: .75rem; }
.btn-lg { padding: .95rem 2.2rem; font-size: .87rem; }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--petrol-l);
  margin-bottom: 1.25rem;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
}
.eyebrow.amber { color: var(--amber-l); }
.eyebrow.muted { color: var(--t-3); }
.eyebrow.muted::before { background: var(--t-3); }

.display {
  font-family: var(--f-display);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.01em;
}
.display-xl { font-size: clamp(3.5rem, 8vw, 9rem); }
.display-lg { font-size: clamp(3rem, 6vw, 7rem); }
.display-md { font-size: clamp(2.2rem, 4.5vw, 5rem); }
.display-sm { font-size: clamp(1.8rem, 3vw, 3rem); }

.heading {
  font-family: var(--f-body);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.02em;
}
.h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
.h4 { font-size: clamp(1.1rem, 2vw, 1.6rem); }

.body-lg { font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.7; color: var(--t-2); }
.body-md { font-size: 1rem; line-height: 1.65; color: var(--t-2); }
.mono { font-family: var(--f-mono); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.section {
  padding: clamp(5rem, 10vw, 10rem) 0;
}
.section-dark  { background: var(--bg-0); }
.section-dark2 { background: var(--bg-1); }
.section-dark3 { background: var(--bg-2); }
.section-light { background: var(--bg-light);  color: var(--td-1); }
.section-light .t-2 { color: var(--td-2); }
.section-light .eyebrow { color: var(--petrol); }

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 2rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: .75rem; }
.gap-md { gap: 1.5rem; }
.gap-lg { gap: 3rem; }
.gap-xl { gap: 5rem; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  padding: 2.5rem;
  border: 1px solid var(--b-1);
  border-radius: 4px;
  background: var(--bg-2);
  transition: border-color .3s, transform .4s var(--e-out), box-shadow .4s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--petrol-dim), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.card:hover { border-color: var(--b-2); transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.card:hover::before { opacity: 1; }

.card-light {
  background: #fff;
  border: 1px solid var(--bl-1);
  color: var(--td-1);
}
.card-light:hover { border-color: var(--bl-2); box-shadow: 0 16px 48px rgba(0,0,0,.1); }

.card-number {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--t-3);
  margin-bottom: 1.5rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 12s ease-out;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(8,10,14,.3) 0%, rgba(8,10,14,.0) 40%, rgba(8,10,14,.7) 70%, rgba(8,10,14,1) 100%),
    linear-gradient(to right, rgba(8,10,14,.6) 0%, transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  width: 100%;
}
.hero-title {
  overflow: hidden;
}
.hero-title .line {
  display: block;
  overflow: hidden;
}
.hero-sub {
  max-width: 560px;
  margin-top: 1.75rem;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: rgba(236,234,227,.7);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  right: var(--pad);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  opacity: .45;
}
.hero-scroll-hint span {
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: var(--t-3);
  overflow: hidden;
  position: relative;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--t-1);
  animation: scroll-line 2s var(--e-out) infinite;
}
@keyframes scroll-line {
  0%   { top: -100%; }
  100% { top: 200%; }
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker {
  border-top: 1px solid var(--b-1);
  border-bottom: 1px solid var(--b-1);
  background: var(--bg-1);
  padding: .85rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-track {
  display: inline-flex;
  animation: ticker 28s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  padding-right: 3rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--t-3);
}
.ticker-item span { color: var(--petrol-l); }
.ticker-sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--b-3);
  flex-shrink: 0;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.problem-list { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.25rem; }
.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--bl-2);
}
.problem-item:last-child { border-bottom: none; }
.problem-x {
  width: 20px;
  height: 20px;
  border: 1px solid rgba(180,60,60,.4);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: .15rem;
  font-size: .65rem;
  color: rgba(200,80,80,.8);
}
.problem-text { font-size: .95rem; color: var(--td-2); line-height: 1.5; }

/* ============================================================
   SOLUTION CARDS
   ============================================================ */
.solution-cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5px; }
.sol-card {
  padding: 2.5rem 2rem;
  background: var(--bg-light-2);
  border-right: 1px solid var(--bl-1);
  position: relative;
  overflow: hidden;
  transition: background .3s;
}
.sol-card:last-child { border-right: none; }
.sol-card:hover { background: var(--bg-light); }
.sol-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--petrol);
  transition: width .4s var(--e-out);
}
.sol-card:hover::after { width: 100%; }
.sol-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1.5rem;
  opacity: .8;
}
.sol-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--td-1);
  margin-bottom: .6rem;
  line-height: 1.3;
}
.sol-desc { font-size: .87rem; color: var(--td-2); line-height: 1.55; }

/* ============================================================
   JV SPOTLIGHT
   ============================================================ */
.jv-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.jv-formula {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0;
  flex-wrap: wrap;
}
.jv-formula-item {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--b-2);
  border-radius: 4px;
  text-align: center;
  flex: 1;
  min-width: 100px;
}
.jv-formula-icon {
  font-size: 1.5rem;
  margin-bottom: .35rem;
  opacity: .7;
}
.jv-formula-label {
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--t-2);
  font-family: var(--f-mono);
}
.jv-formula-sep { font-size: 1.5rem; color: var(--t-3); }
.jv-formula-result {
  background: var(--petrol-dim);
  border-color: var(--petrol);
}
.jv-formula-result .jv-formula-label { color: var(--petrol-l); }

.jv-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.tag {
  padding: .35rem .85rem;
  border: 1px solid var(--b-2);
  border-radius: 2px;
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--t-2);
  font-family: var(--f-mono);
}
.tag.active {
  border-color: var(--petrol);
  color: var(--petrol-l);
  background: var(--petrol-dim);
}
.tag.amber {
  border-color: var(--amber);
  color: var(--amber-l);
  background: var(--amber-dim);
}

.jv-visual {
  position: relative;
  height: 500px;
}
.jv-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  filter: brightness(.85);
}
.jv-overlay-card {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  padding: 1.75rem;
  background: rgba(8,10,14,.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  min-width: 280px;
}
.jv-stat-row { display: flex; gap: 2rem; }
.jv-stat { flex: 1; }
.jv-stat-value {
  font-family: var(--f-mono);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--petrol-l);
  line-height: 1;
}
.jv-stat-label {
  font-size: .72rem;
  color: var(--t-3);
  letter-spacing: .05em;
  margin-top: .3rem;
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0;
  margin-top: 4rem;
  position: relative;
}
.process-steps::after {
  content: '';
  position: absolute;
  top: 28px;
  left: 3rem;
  right: 3rem;
  height: 1px;
  background: var(--bl-2);
  z-index: 0;
}
.process-step { padding: 0 2rem; position: relative; z-index: 1; }
.process-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--bl-2);
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: .75rem;
  color: var(--td-3);
  margin-bottom: 1.5rem;
  transition: border-color .3s, color .3s, background .3s;
}
.process-step.active .process-num,
.process-step:hover .process-num {
  border-color: var(--petrol);
  color: var(--petrol);
  background: var(--bg-light-2);
}
.process-step-title {
  font-size: .95rem;
  font-weight: 500;
  color: var(--td-1);
  margin-bottom: .4rem;
}
.process-step-desc { font-size: .82rem; color: var(--td-2); line-height: 1.55; }

/* ============================================================
   STATS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--b-1);
  border: 1px solid var(--b-1);
}
.stat-item {
  padding: 3rem 2rem;
  background: var(--bg-1);
  text-align: center;
}
.stat-value {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--t-1);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .1em;
}
.stat-value .unit { font-size: .5em; color: var(--t-2); }
.stat-value .prefix { font-size: .65em; color: var(--t-2); align-self: flex-start; margin-top: .2em; }
.stat-label {
  margin-top: .75rem;
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--t-3);
  font-family: var(--f-mono);
}

/* ============================================================
   PRODUCTS GRID
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5px;
  margin-top: 3rem;
}
.product-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--bg-2);
  cursor: none;
}
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.55) saturate(.8);
  transition: transform .7s var(--e-out), filter .5s;
}
.product-card:hover img { transform: scale(1.06); filter: brightness(.7) saturate(1); }
.product-card-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2rem 1.5rem;
  background: linear-gradient(to top, rgba(8,10,14,.9), transparent);
}
.product-card-title {
  font-family: var(--f-body);
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--t-1);
}
.product-card-desc {
  font-size: .75rem;
  color: var(--t-2);
  margin-top: .25rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s, transform .3s;
}
.product-card:hover .product-card-desc { opacity: 1; transform: none; }
.product-card.jv-card { grid-column: span 2; aspect-ratio: auto; min-height: 280px; }
.product-card.jv-card::after {
  content: 'KEY PRODUCT';
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .15em;
  padding: .3rem .75rem;
  background: var(--amber-dim);
  border: 1px solid var(--amber);
  color: var(--amber-l);
  border-radius: 2px;
}

/* ============================================================
   KI PREVIEW
   ============================================================ */
.ki-window {
  background: var(--bg-2);
  border: 1px solid var(--b-2);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0,0,0,.6);
}
.ki-window-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--b-1);
  background: var(--bg-3);
}
.ki-dot { width: 10px; height: 10px; border-radius: 50%; }
.ki-dot:nth-child(1) { background: #FF5F57; }
.ki-dot:nth-child(2) { background: #FEBC2E; }
.ki-dot:nth-child(3) { background: #28C840; }
.ki-window-title {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: .7rem;
  color: var(--t-3);
  letter-spacing: .08em;
}
.ki-chat {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 320px;
}
.ki-msg {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
}
.ki-msg.user { flex-direction: row-reverse; }
.ki-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 600;
}
.ki-avatar.ai { background: var(--petrol-dim); border: 1px solid var(--petrol); color: var(--petrol-l); }
.ki-avatar.user-av { background: var(--bg-4); color: var(--t-2); }
.ki-bubble {
  padding: .85rem 1.1rem;
  border-radius: 4px;
  font-size: .85rem;
  line-height: 1.6;
  max-width: 75%;
}
.ki-msg.ai .ki-bubble { background: var(--bg-3); color: var(--t-1); border: 1px solid var(--b-1); }
.ki-msg.user .ki-bubble { background: var(--petrol-dim); color: var(--t-1); border: 1px solid var(--petrol-dim); }
.ki-input-row {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--b-1);
  display: flex;
  gap: .75rem;
  align-items: center;
}
.ki-input {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: .65rem 1rem;
  color: var(--t-1);
  font-size: .85rem;
  outline: none;
  transition: border-color .2s;
}
.ki-input::placeholder { color: var(--t-3); }
.ki-input:focus { border-color: var(--petrol); }
.ki-send {
  width: 36px;
  height: 36px;
  background: var(--petrol);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: none;
  transition: background .2s;
}
.ki-send:hover { background: var(--petrol-l); }
.ki-tags { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0 1.5rem 1.25rem; }
.ki-tag {
  padding: .3rem .7rem;
  border: 1px solid var(--b-1);
  border-radius: 2px;
  font-size: .72rem;
  color: var(--t-3);
  font-family: var(--f-mono);
  letter-spacing: .04em;
  cursor: none;
  transition: border-color .2s, color .2s;
}
.ki-tag:hover { border-color: var(--b-2); color: var(--t-2); }

/* ============================================================
   FINAL CTA SECTION
   ============================================================ */
.cta-final {
  padding: clamp(6rem, 12vw, 12rem) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--petrol-dim) 0%, transparent 70%);
  pointer-events: none;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--b-1);
  padding: 4rem 0 2.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1rem;
}
.footer-logo span { color: var(--petrol-l); }
.footer-tagline { font-size: .82rem; color: var(--t-3); line-height: 1.6; max-width: 280px; }
.footer-col h5 {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--t-3);
  font-family: var(--f-mono);
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: .6rem; }
.footer-links a {
  font-size: .85rem;
  color: var(--t-2);
  transition: color .2s;
}
.footer-links a:hover { color: var(--t-1); }
.footer-bottom {
  border-top: 1px solid var(--b-1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy { font-size: .75rem; color: var(--t-3); font-family: var(--f-mono); }
.footer-lang {
  display: flex;
  gap: 1rem;
}
.footer-lang a {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--t-3);
  transition: color .2s;
}
.footer-lang a.active, .footer-lang a:hover { color: var(--t-1); }

/* ============================================================
   CONFIGURATOR (preisindikator.html)
   ============================================================ */
.konfig-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 3rem;
  align-items: start;
}
.step-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 3rem;
  overflow-x: auto;
}
.step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  flex: 1;
  position: relative;
  cursor: none;
}
.step-dot::before {
  content: '';
  position: absolute;
  top: 16px;
  left: calc(50% + 16px);
  right: calc(-50% + 16px);
  height: 1px;
  background: var(--b-2);
  z-index: 0;
}
.step-dot:last-child::before { display: none; }
.step-dot-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--b-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  font-size: .72rem;
  color: var(--t-3);
  background: var(--bg-1);
  position: relative;
  z-index: 1;
  transition: all .3s var(--e-out);
}
.step-dot.active .step-dot-circle { border-color: var(--petrol); color: var(--petrol-l); background: var(--petrol-dim); }
.step-dot.done .step-dot-circle  { border-color: var(--petrol); background: var(--petrol); color: #fff; }
.step-dot-label { font-size: .68rem; color: var(--t-3); font-family: var(--f-mono); text-align: center; }

.step-panel { display: none; }
.step-panel.active { display: block; animation: step-in .35s var(--e-out); }
@keyframes step-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.step-title {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--t-1);
  margin-bottom: .35rem;
}
.step-subtitle { font-size: .88rem; color: var(--t-2); margin-bottom: 2rem; }

.option-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .75rem; }
.option-btn {
  padding: 1rem;
  border: 1px solid var(--b-2);
  border-radius: 4px;
  background: transparent;
  color: var(--t-2);
  font-size: .85rem;
  text-align: left;
  cursor: none;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.option-btn:hover { border-color: var(--b-3); color: var(--t-1); }
.option-btn.selected {
  border-color: var(--petrol);
  color: var(--petrol-l);
  background: var(--petrol-dim);
}
.option-icon { font-size: 1.25rem; }

.form-field { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--t-3); font-family: var(--f-mono); margin-bottom: .6rem; }
.form-input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: .85rem 1rem;
  color: var(--t-1);
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
}
.form-input::placeholder { color: var(--t-3); }
.form-input:focus { border-color: var(--petrol); }
.form-hint { margin-top: .35rem; font-size: .75rem; color: var(--t-3); }

.skip-btn { margin-top: .5rem; font-size: .78rem; color: var(--t-3); text-decoration: underline; cursor: none; }
.skip-btn:hover { color: var(--t-2); }

.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--b-1);
}

/* Accuracy bar */
.accuracy-bar {
  background: var(--bg-3);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: 1.5rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.accuracy-title { font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--t-3); font-family: var(--f-mono); margin-bottom: 1rem; }
.accuracy-track {
  height: 4px;
  background: var(--bg-4);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: .5rem;
}
.accuracy-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--petrol), var(--petrol-l));
  border-radius: 2px;
  transition: width 1s var(--e-out);
}
.accuracy-pct { font-family: var(--f-mono); font-size: 1.4rem; color: var(--petrol-l); }
.accuracy-label { font-size: .78rem; color: var(--t-2); margin-bottom: 1.5rem; }

.result-panel {
  background: var(--bg-1);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: 2.5rem;
  margin-top: 2rem;
  display: none;
  animation: step-in .5s var(--e-out);
}
.result-panel.visible { display: block; }
.result-range {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--t-1);
  line-height: 1.1;
  margin: 1rem 0;
}
.result-sub { font-size: .82rem; color: var(--t-2); margin-bottom: 2rem; }
.result-row { display: flex; justify-content: space-between; padding: .75rem 0; border-bottom: 1px solid var(--b-1); }
.result-row:last-of-type { border-bottom: none; }
.result-key { font-size: .82rem; color: var(--t-2); }
.result-val { font-family: var(--f-mono); font-size: .82rem; color: var(--t-1); }
.result-warning {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(184,136,42,.08);
  border: 1px solid rgba(184,136,42,.2);
  border-radius: 4px;
  font-size: .82rem;
  color: var(--amber-l);
}
.result-next { margin-top: 2rem; display: flex; flex-direction: column; gap: .75rem; }

/* ============================================================
   ROI CALCULATOR (wirtschaftlichkeit.html)
   ============================================================ */
.calc-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 3rem;
  align-items: start;
}
.calc-panel {
  background: var(--bg-1);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: 2rem;
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.calc-section-title {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--t-3);
  font-family: var(--f-mono);
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--b-1);
}
.slider-field { margin-bottom: 1.5rem; }
.slider-top { display: flex; justify-content: space-between; margin-bottom: .5rem; }
.slider-label { font-size: .82rem; color: var(--t-2); }
.slider-val { font-family: var(--f-mono); font-size: .82rem; color: var(--t-1); }
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  background: var(--bg-4);
  border-radius: 1px;
  outline: none;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--petrol-l);
  cursor: none;
  border: 2px solid var(--bg-1);
  box-shadow: 0 0 8px var(--petrol-dim);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--b-1);
  border: 1px solid var(--b-1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.result-metric {
  background: var(--bg-1);
  padding: 2rem;
}
.result-metric-label { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--t-3); font-family: var(--f-mono); margin-bottom: .75rem; }
.result-metric-value {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 300;
  color: var(--t-1);
  line-height: 1;
}
.result-metric-value .unit { font-size: .45em; color: var(--t-2); }
.result-metric.highlight { background: var(--petrol-dim); }
.result-metric.highlight .result-metric-value { color: var(--petrol-l); }

.chart-area {
  background: var(--bg-1);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: 2rem;
  margin-bottom: 2rem;
}
.chart-title { font-size: .82rem; color: var(--t-2); margin-bottom: 1.5rem; }
.cashflow-chart { position: relative; height: 160px; display: flex; align-items: flex-end; gap: 3px; }
.cashflow-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  transition: height 1s var(--e-out);
  position: relative;
}
.cashflow-bar.negative { background: rgba(180,60,60,.5); border-radius: 0 0 2px 2px; align-self: flex-start; }
.cashflow-bar.positive { background: var(--petrol); }
.cashflow-year { font-family: var(--f-mono); font-size: .6rem; color: var(--t-3); text-align: center; margin-top: .5rem; }

.recommendation-box {
  background: var(--amber-dim);
  border: 1px solid rgba(184,136,42,.25);
  border-radius: 4px;
  padding: 1.5rem;
  margin-top: 2rem;
}
.recommendation-box h4 { font-size: .9rem; color: var(--amber-l); margin-bottom: 1rem; }
.rec-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem 0;
  border-bottom: 1px solid rgba(184,136,42,.1);
  font-size: .85rem;
  color: var(--t-2);
}
.rec-item:last-child { border-bottom: none; }
.rec-arrow { color: var(--amber-l); font-family: var(--f-mono); }

/* ============================================================
   KI ASSISTENT PAGE (ki-assistent.html)
   ============================================================ */
.ki-layout {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  gap: 1.5px;
  background: var(--b-1);
  border: 1px solid var(--b-1);
  border-radius: 4px;
  overflow: hidden;
  height: calc(100svh - var(--nav-h) - 6rem);
}
.ki-sidebar {
  background: var(--bg-2);
  padding: 1.5rem;
  overflow-y: auto;
}
.ki-sidebar-title { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--t-3); font-family: var(--f-mono); margin-bottom: 1rem; }
.ki-cat {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .6rem .75rem;
  border-radius: 4px;
  font-size: .83rem;
  color: var(--t-2);
  cursor: none;
  transition: background .2s, color .2s;
  margin-bottom: .25rem;
}
.ki-cat:hover { background: var(--bg-3); color: var(--t-1); }
.ki-cat.active { background: var(--petrol-dim); color: var(--petrol-l); }
.ki-cat-icon { font-size: .9rem; }

.ki-main {
  background: var(--bg-1);
  display: flex;
  flex-direction: column;
}
.ki-main-chat {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.ki-main-input {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--b-1);
  display: flex;
  gap: .75rem;
  align-items: flex-end;
}
.ki-main-input textarea {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: .75rem 1rem;
  color: var(--t-1);
  font-size: .88rem;
  resize: none;
  height: 50px;
  outline: none;
  transition: border-color .2s;
  line-height: 1.5;
}
.ki-main-input textarea:focus { border-color: var(--petrol); }

.ki-insights {
  background: var(--bg-2);
  padding: 1.5rem;
  overflow-y: auto;
}
.ki-stat-bar {
  margin-bottom: 1.25rem;
}
.ki-stat-bar-top { display: flex; justify-content: space-between; margin-bottom: .3rem; }
.ki-stat-bar-label { font-size: .78rem; color: var(--t-2); }
.ki-stat-bar-pct { font-family: var(--f-mono); font-size: .72rem; color: var(--petrol-l); }
.ki-stat-bar-track { height: 3px; background: var(--bg-4); border-radius: 2px; overflow: hidden; }
.ki-stat-bar-fill { height: 100%; background: var(--petrol); border-radius: 2px; }

/* ============================================================
   ÜBER UNS PAGE
   ============================================================ */
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; }
.team-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  padding: 2rem;
  background: var(--bg-light-2);
  border: 1px solid var(--bl-1);
  border-radius: 4px;
}
.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 4px;
  object-fit: cover;
  filter: grayscale(.3);
}
.team-name { font-size: 1.15rem; font-weight: 500; color: var(--td-1); }
.team-role { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--petrol); font-family: var(--f-mono); margin: .35rem 0 .75rem; }
.team-bio { font-size: .87rem; color: var(--td-2); line-height: 1.6; }

.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: var(--bl-1);
  margin-top: 3rem;
}
.roadmap-phase {
  padding: 2rem;
  background: var(--bg-light);
  position: relative;
}
.roadmap-badge {
  display: inline-block;
  padding: .25rem .65rem;
  background: var(--petrol-dim);
  border: 1px solid var(--petrol);
  border-radius: 2px;
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--petrol);
  margin-bottom: 1rem;
}
.roadmap-badge.amber-badge {
  background: var(--amber-dim);
  border-color: var(--amber);
  color: var(--amber);
}
.roadmap-phase-title { font-size: .95rem; font-weight: 600; color: var(--td-1); margin-bottom: .35rem; }
.roadmap-phase-sub { font-size: .75rem; color: var(--td-3); font-family: var(--f-mono); letter-spacing: .04em; margin-bottom: 1rem; }
.roadmap-items { display: flex; flex-direction: column; gap: .5rem; }
.roadmap-item { display: flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--td-2); }
.roadmap-item::before { content: '·'; color: var(--petrol); font-size: 1.2rem; line-height: 1; }

/* ============================================================
   LÖSUNGEN PAGE
   ============================================================ */
.loesungen-hero { background: var(--bg-light); }
.loesungen-grid { display: grid; gap: 0; }
.loesung-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
  border-bottom: 1px solid var(--bl-1);
}
.loesung-block:nth-child(even) .loesung-img { order: -1; }
.loesung-img-wrap {
  position: relative;
  overflow: hidden;
}
.loesung-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--e-out);
}
.loesung-block:hover .loesung-img-wrap img { transform: scale(1.04); }
.loesung-content {
  padding: clamp(2.5rem, 5vw, 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-light);
}
.loesung-meta { margin-top: 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.loesung-meta-item { }
.loesung-meta-label { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--td-3); font-family: var(--f-mono); margin-bottom: .4rem; }
.loesung-meta-val { font-size: .88rem; color: var(--td-2); line-height: 1.5; }

/* ============================================================
   KONTAKT PAGE
   ============================================================ */
.kontakt-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.kontakt-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--b-1);
  border: 1px solid var(--b-1);
  margin-bottom: 3rem;
  border-radius: 4px;
  overflow: hidden;
}
.kontakt-opt {
  padding: 1.75rem;
  background: var(--bg-2);
  cursor: none;
  transition: background .3s;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.kontakt-opt:hover { background: var(--bg-3); }
.kontakt-opt.selected { background: var(--petrol-dim); border-left: 2px solid var(--petrol); }
.kontakt-opt-icon { font-size: 1.4rem; flex-shrink: 0; }
.kontakt-opt-title { font-size: .92rem; font-weight: 500; color: var(--t-1); }
.kontakt-opt-desc { font-size: .8rem; color: var(--t-2); margin-top: .2rem; }

.kontakt-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-select {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: .85rem 1rem;
  color: var(--t-2);
  font-size: .95rem;
  outline: none;
  appearance: none;
  transition: border-color .2s;
}
.form-select:focus { border-color: var(--petrol); }
.form-textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--b-2);
  border-radius: 4px;
  padding: .85rem 1rem;
  color: var(--t-1);
  font-size: .95rem;
  resize: vertical;
  min-height: 120px;
  outline: none;
  transition: border-color .2s;
  font-family: var(--f-body);
}
.form-textarea:focus { border-color: var(--petrol); }
.form-check { display: flex; gap: .75rem; align-items: flex-start; font-size: .82rem; color: var(--t-2); }
.form-check input { margin-top: .2rem; accent-color: var(--petrol); }

/* ============================================================
   PAGE HERO (sub-pages)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + clamp(3rem, 6vw, 6rem)) 0 clamp(3rem, 6vw, 6rem);
  position: relative;
  overflow: hidden;
}
.page-hero-dark {
  background: var(--bg-1);
}
.page-hero-light {
  background: var(--bg-light);
  color: var(--td-1);
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--b-1);
}
.page-hero-light::after { background: var(--bl-1); }

/* ============================================================
   ANIMATIONS (scroll-revealed)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--e-out), transform .8s var(--e-out);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

.split-text .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(80%) rotateX(-40deg);
  transition: opacity .6s var(--e-out), transform .6s var(--e-out);
}
.split-text.visible .char { opacity: 1; transform: none; }

.parallax-wrap { overflow: hidden; }
.parallax-img { transition: transform .1s linear; will-change: transform; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .product-card.jv-card { grid-column: span 1; }
  .konfig-layout { grid-template-columns: 1fr; }
  .calc-layout { grid-template-columns: 1fr; }
  .accuracy-bar, .calc-panel { position: static; }
  .ki-layout { grid-template-columns: 200px 1fr; }
  .ki-insights { display: none; }
}

@media (max-width: 1024px) {
  .solution-cards { grid-template-columns: repeat(2, 1fr); }
  .jv-inner { grid-template-columns: 1fr; gap: 3rem; }
  .jv-visual { height: 360px; }
  .jv-overlay-card { left: 1rem; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .process-steps::after { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .roadmap { grid-template-columns: repeat(2, 1fr); }
  .loesung-block { grid-template-columns: 1fr; }
  .loesung-block:nth-child(even) .loesung-img { order: 0; }
  .loesung-img-wrap { height: 300px; }
  .team-grid { grid-template-columns: 1fr; }
  .kontakt-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }
  .problem-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .roadmap { grid-template-columns: 1fr; }
  .ki-layout { grid-template-columns: 1fr; height: auto; }
  .ki-sidebar { display: none; }
  .team-card { grid-template-columns: 1fr; }
  .team-photo { width: 80px; height: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .grain { display: none; }
}