/* ============================================
   novisual.de — Dark Agency Theme
   ============================================ */

:root {
  --bg:        #0a0a0a;
  --surface:   #111111;
  --surface-2: #1a1a1a;
  --border:    #222222;
  --accent:    #c8ff00;
  --accent-dim:#8fba00;
  --text:      #f0f0f0;
  --muted:     #888888;
  --max-w:     1200px;
  --radius:    8px;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---- Utility ---- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--dark {
  background: var(--surface);
}

.label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.headline {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.headline--xl {
  font-size: clamp(2.5rem, 6vw, 5rem);
}

.subline {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  line-height: 1.7;
}

.accent { color: var(--accent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
}
.btn--primary:hover { background: #d4ff33; transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--muted); background: var(--surface-2); }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav__logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav__logo span { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav__links a {
  font-size: 14px;
  color: var(--muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--text); }

.nav__cta { margin-left: auto; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

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

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 70% 50%, rgba(200, 255, 0, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(200, 255, 0, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.hero__grid-line {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
}
.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.hero__headline {
  margin-bottom: 24px;
}

.hero__sub {
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- Stats ---- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stats__item {
  padding: 16px 32px;
  border-right: 1px solid var(--border);
}
.stats__item:first-child { padding-left: 0; }
.stats__item:last-child { border-right: none; }

.stats__number {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.stats__desc {
  font-size: 14px;
  color: var(--muted);
}

/* ---- Services ---- */
.services__header {
  max-width: 600px;
  margin-bottom: 64px;
}

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

.service-card {
  background: var(--surface);
  padding: 48px 40px;
  transition: background var(--transition);
}
.service-card:hover { background: var(--surface-2); }

.service-card__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 24px;
}

.service-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- Industries ---- */
.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.industry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.industry-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.industry-card__icon {
  font-size: 32px;
  margin-bottom: 20px;
}

.industry-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.industry-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- Case Studies ---- */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.case-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-card__client {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-card__metric {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
}

.case-card__label {
  font-size: 14px;
  font-weight: 600;
  margin-top: -8px;
}

.case-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ---- Testimonials ---- */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.testimonial-card__quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 28px;
}
.testimonial-card__quote::before { content: '\201E'; color: var(--accent); }
.testimonial-card__quote::after  { content: '\201C'; color: var(--accent); }

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 14px;
  font-weight: 600;
}

.testimonial-card__role {
  font-size: 13px;
  color: var(--muted);
}

/* ---- CTA Section ---- */
.cta-section {
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 50% 50%, rgba(200, 255, 0, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .headline { margin-bottom: 20px; }
.cta-section .subline { margin: 0 auto 40px; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer__logo span { color: var(--accent); }

.footer__links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.footer__links a {
  font-size: 13px;
  color: var(--muted);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--text); }

.footer__copy {
  font-size: 13px;
  color: var(--muted);
}

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---- Mobile Menu ---- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  padding: 100px 24px 40px;
  flex-direction: column;
  gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid var(--border); }
  .stats__item:nth-child(2n) { }
  .stats__item:last-child { border-bottom: none; }
  .cases__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .services__grid { grid-template-columns: 1fr; }
  .industries__grid { grid-template-columns: 1fr; }
  .cases__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { padding: 20px; }

  .hero__actions { flex-direction: column; align-items: flex-start; }

  .footer__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr; }
  .service-card { padding: 32px 24px; }
}