/* ═══════════════════════════════════════════════
   DESIGN SYSTEM
   halfwayml.com — light, bold, high-contrast
═══════════════════════════════════════════════ */
:root {
  --bg:           #f7f6f2;
  --bg-white:     #ffffff;
  --bg-dark:      #0f0f0f;
  --bg-card:      #efefeb;

  --text:         #0f0f0f;
  --text-sub:     #555550;
  --text-muted:   #999990;
  --text-inv:     #f7f6f2;

  --accent:       #4a6fa5;
  --accent-hover: #3a5f95;

  --border:       rgba(15, 15, 15, 0.10);
  --border-dark:  rgba(15, 15, 15, 0.18);

  --radius:  4px;
  --nav-h:   68px;
}

/* ─── Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ═══════════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════════ */
.rv {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.rv.in  { opacity: 1; transform: none; }
.rv.d1  { transition-delay: 0.08s; }
.rv.d2  { transition-delay: 0.16s; }
.rv.d3  { transition-delay: 0.24s; }
.rv.d4  { transition-delay: 0.32s; }

/* ═══════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(247, 246, 242, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-sub);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-cta {
  flex-shrink: 0;
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--text);
  color: var(--bg);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  transition: background 0.15s;
}
.nav-cta:hover { background: #333; }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  border: none;
  background: none;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s;
}

/* mobile overlay nav */
.mob-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 190;
  background: var(--bg);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  padding: 2rem;
}
.mob-nav.open { display: flex; }
.mob-nav a {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--text);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  width: 100%;
  transition: color 0.15s;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.mob-nav a:last-child { border-bottom: none; }
.mob-nav a:hover { color: var(--accent); }

/* ═══════════════════════════════════════════════
   LAYOUT HELPERS
═══════════════════════════════════════════════ */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section      { padding: 8rem 0; }
.section-dark { background: var(--bg-dark); color: var(--text-inv); }
.section-off  { background: var(--bg-card); }

/* ─── typography helpers ─── */
.label {
  display: inline-block;
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.label-inv { color: rgba(247, 246, 242, 0.5); }

.section-h {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 2.5rem;
}
.section-h.inv  { color: var(--text-inv); }
.section-h.wide { max-width: 820px; }

.body-text {
  font-weight: 300;
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.75;
  max-width: 600px;
}
.body-text.inv { color: rgba(247, 246, 242, 0.65); }

/* ─── buttons ─── */
.btn {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.18s ease;
  cursor: pointer;
  border: none;
}
.btn-primary { background: #fff; color: #0f0f0f; }
.btn-primary:hover { background: var(--bg); }
.btn-outline {
  background: transparent;
  color: rgba(247, 246, 242, 0.75);
  border: 1px solid rgba(247, 246, 242, 0.25);
}
.btn-outline:hover {
  border-color: rgba(247, 246, 242, 0.6);
  color: #fff;
}
.btn-dark { background: var(--text); color: var(--bg); }
.btn-dark:hover { background: #333; }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-logo {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}
.footer-logo span { color: var(--accent); }
.footer-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.4);
  transition: color 0.15s;
}
.footer-links a:hover { color: rgba(247, 246, 242, 0.9); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  text-align: center;
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.2);
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  background: url(../public/media/hero_oil.jpg) center / cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(15, 15, 15, 0.15) 0%,
    rgba(15, 15, 15, 0.50) 40%,
    rgba(15, 15, 15, 0.88) 75%,
    rgba(15, 15, 15, 1) 100%
  );
}
.hero-body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-bottom: 8vh;
  padding-top: calc(var(--nav-h) + 6rem);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.hero-location {
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.5);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: up 0.7s ease 0.1s forwards;
}
.hero-h1 {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: clamp(2.4rem, 5.5vw, 5rem);
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  max-width: 860px;
  margin-bottom: 2rem;
  opacity: 0;
  animation: up 0.7s ease 0.22s forwards;
}
.hero-sub {
  font-weight: 300;
  font-size: 1.05rem;
  color: rgba(247, 246, 242, 0.65);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: up 0.7s ease 0.38s forwards;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: up 0.7s ease 0.52s forwards;
}
.hero-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  opacity: 0;
  animation: up 0.7s ease 0.66s forwards;
}
.hero-social-link {
  font-family: "Space Mono", monospace;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.4);
  transition: color 0.15s;
}
.hero-social-link:hover { color: rgba(247, 246, 242, 0.85); }
.hero-social-sep {
  color: rgba(247, 246, 242, 0.2);
  font-size: 0.7rem;
}

@keyframes up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════════
   TICKER BAND
═══════════════════════════════════════════════ */
.ticker-band {
  background: var(--bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  padding: 1.1rem 0;
}
.ticker-track {
  display: flex;
  gap: 4rem;
  white-space: nowrap;
  animation: ticker 28s linear infinite;
}
.ticker-item {
  font-family: "Space Mono", monospace;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.4);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.ticker-item::before {
  content: "·";
  color: var(--accent);
  font-size: 1rem;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════
   PROBLEM SECTION
═══════════════════════════════════════════════ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.problem-body-text p {
  font-weight: 300;
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.8;
}
.problem-body-text p + p { margin-top: 1.1rem; }
.callout-block {
  background: var(--bg-dark);
  color: var(--text-inv);
  padding: 2.5rem;
  border-radius: var(--radius);
}
.callout-block .callout-label {
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: block;
}
.callout-block .callout-q {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.55;
  color: #fff;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.pain-list { display: flex; flex-direction: column; gap: 0; }
.pain-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.88rem;
  font-weight: 300;
  color: rgba(247, 246, 242, 0.6);
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.pain-list li:last-child { border-bottom: none; }
.pain-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   BEIDE WELTEN
═══════════════════════════════════════════════ */
.welten-grid {
  display: grid;
  grid-template-columns: 1fr 1.12fr 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.w-card {
  padding: 2rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}
.w-card.side {
  background: var(--bg-card);
  border: 1px solid var(--border);
  opacity: 0.7;
}
.w-card.center {
  background: var(--bg-white);
  color: var(--text);
  opacity: 1;
  position: relative;
  border: none;
  /* gradient border via padding trick */
  padding: calc(2rem + 2px);
}
.w-card.center::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 2px;
  background: linear-gradient(135deg, #4a6fa5 0%, #a855f7 50%, #ec4899 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.w-card-label {
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.w-card.side .w-card-label { color: var(--text-muted); }
.w-card.center .w-card-label { color: var(--accent); }
.w-title {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}
.w-card.side .w-title { color: var(--text-sub); }
.w-card.center .w-title { color: var(--text); }
.w-sub {
  font-size: 0.8rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
}
.w-card.side .w-sub { color: var(--text-muted); }
.w-card.center .w-sub { color: var(--text-sub); }
.w-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
}
.w-card.center .w-divider { background: var(--border-dark); }
.w-items { display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.w-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.4;
}
.w-card.side .w-item  { color: var(--text-sub); }
.w-card.center .w-item { color: var(--text-sub); }
.ico-x  { color: #ef4444; flex-shrink: 0; font-weight: 600; }
.ico-ok { color: #22c55e; flex-shrink: 0; font-weight: 600; }
/* combo split motif inside center card */
.combo-split {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 1.5rem;
  border-radius: 3px;
  overflow: hidden;
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.combo-half {
  flex: 1;
  padding: 0.5rem 0.75rem;
  text-align: center;
}
.combo-left {
  background: rgba(74, 111, 165, 0.12);
  color: #4a6fa5;
  border: 1px solid rgba(74, 111, 165, 0.25);
  border-right: none;
  border-radius: 3px 0 0 3px;
}
.combo-bridge {
  background: linear-gradient(135deg, #4a6fa5, #a855f7);
  color: #fff;
  padding: 0.5rem 0.6rem;
  font-size: 0.75rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.combo-right {
  background: rgba(168, 85, 247, 0.10);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-left: none;
  border-radius: 0 3px 3px 0;
}

.welten-footer-text {
  font-weight: 300;
  font-size: 0.975rem;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

/* ═══════════════════════════════════════════════
   PRINCIPLES
═══════════════════════════════════════════════ */
.principles-list { display: flex; flex-direction: column; }
.p-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: background 0.2s;
  border-radius: var(--radius);
}
.p-row:first-child { border-top: 1px solid var(--border); }
.p-row:hover {
  background: var(--bg-card);
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  margin: 0 -1.5rem;
  border-color: transparent;
}
.p-num {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding-top: 0.2rem;
}
.p-name {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.p-body {
  font-weight: 300;
  font-size: 0.925rem;
  color: var(--text-sub);
  line-height: 1.75;
  max-width: 600px;
}

/* ═══════════════════════════════════════════════
   INDUSTRIES
═══════════════════════════════════════════════ */
.ind-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 4rem;
}
.ind-card {
  background: var(--bg-dark);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.2s;
  cursor: default;
  position: relative;
  overflow: hidden;
}
.ind-card::after {
  content: "→";
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  font-family: "Space Mono", monospace;
  font-size: 1.2rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.2s, transform 0.2s;
}
.ind-card:hover { background: #1a1a1a; }
.ind-card:hover::after { opacity: 1; transform: none; }
.ind-tag {
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.ind-name {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.2;
}
.ind-body {
  font-weight: 300;
  font-size: 0.9rem;
  color: rgba(247, 246, 242, 0.55);
  line-height: 1.65;
  max-width: 320px;
}

/* ═══════════════════════════════════════════════
   PROCESS
═══════════════════════════════════════════════ */
.process-list { display: flex; flex-direction: column; }
.proc-row {
  display: grid;
  grid-template-columns: 7rem 1fr auto;
  gap: 2rem;
  align-items: start;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.proc-row:first-child { border-top: 1px solid rgba(255, 255, 255, 0.06); }
.proc-num {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 3.5rem;
  color: rgba(247, 246, 242, 0.08);
  line-height: 1;
  letter-spacing: -0.04em;
}
.proc-title {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.proc-body {
  font-weight: 300;
  font-size: 0.9rem;
  color: rgba(247, 246, 242, 0.55);
  line-height: 1.7;
  max-width: 500px;
}
.proc-badge {
  font-family: "Space Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  white-space: nowrap;
  margin-top: 0.2rem;
}
.proc-badge.free {
  background: rgba(74, 111, 165, 0.15);
  color: var(--accent);
  border: 1px solid rgba(74, 111, 165, 0.3);
}
.proc-badge.paid {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(247, 246, 242, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ═══════════════════════════════════════════════
   FINAL CTA SECTION
═══════════════════════════════════════════════ */
.cta-section {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url(../public/media/hero_oil.jpg) center / cover no-repeat;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 15, 0.82);
}
.cta-inner {
  position: relative;
  z-index: 1;
  padding: 4rem 2rem;
  max-width: 700px;
}
.cta-h {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
.cta-body {
  font-weight: 300;
  font-size: 1rem;
  color: rgba(247, 246, 242, 0.6);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.cta-steps {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.cta-steps li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Space Mono", monospace;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(247, 246, 242, 0.5);
  padding: 0 1.25rem;
}
.cta-steps li + li {
  border-left: 1px solid rgba(247, 246, 242, 0.12);
}
.cta-step-num {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.65rem;
}

.zcal-inline-widget {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .problem-grid { grid-template-columns: 1fr; gap: 3rem; }
  .welten-grid { grid-template-columns: 1fr; }
  .proc-row { grid-template-columns: 4rem 1fr; }
  .proc-row .proc-badge { display: none; }
  .ticker-band { display: none; }
}
@media (max-width: 640px) {
  .section { padding: 5rem 0; }
  .ind-grid { grid-template-columns: 1fr; }
  .hero-h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  .p-row:hover {
    padding-left: 0;
    padding-right: 0;
    margin: 0;
    border-color: var(--border);
  }
  .footer-main { flex-direction: column; align-items: flex-start; }
}