/* ============================================================
   RONNY BAECKER – DIGITALE VISITENKARTE
   style.css
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:           #0a0a0a;
  --bg-card:      #111111;
  --bg-stats:     #000000;
  --bg-contact:   #0d0d0d;
  --accent:       #2563eb;
  --accent-hover: #3b82f6;
  --accent-glow:  rgba(37, 99, 235, 0.35);
  --accent-glow-strong: rgba(37, 99, 235, 0.6);
  --text:         #ffffff;
  --text-muted:   #9ca3af;
  --text-dim:     #4b5563;
  --border:       rgba(255, 255, 255, 0.07);
  --border-hover: rgba(37, 99, 235, 0.5);
  --nav-h:        72px;
  --radius:       12px;
  --transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* ── Skip Link (Accessibility) ─────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  z-index: 9999;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ── Cursor Glow ────────────────────────────────────────────── */
#cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
  transition: opacity 0.3s ease;
  will-change: transform;
}

/* ── Container ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px)  { .container { padding: 0 2.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 4rem; } }

/* ── Navigation ─────────────────────────────────────────────── */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition),
              backdrop-filter var(--transition),
              border-color var(--transition);
}

#main-nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px)  { .nav-inner { padding: 0 2.5rem; } }
@media (min-width: 1024px) { .nav-inner { padding: 0 4rem; } }

.nav-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.75; }

.nav-logo-img {
  height: 64px;
  width: auto;
  display: block;
}

.nav-links {
  display: none;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) { .nav-links { display: flex; } }

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color var(--transition);
  cursor: pointer;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* Mobile toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) { .nav-toggle { display: none; } }

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav-links-mobile {
  display: none;
  flex-direction: column;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 1.5rem 1.5rem 2rem;
  gap: 0;
}

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

.nav-links-mobile a {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text-muted);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
  cursor: pointer;
}
.nav-links-mobile a:last-child { border-bottom: none; }
.nav-links-mobile a:hover { color: var(--text); }

/* ── Hero ───────────────────────────────────────────────────── */
#hero {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#hero-foto {
  position: absolute;
  inset: 0;
  background: #050508;
  will-change: transform;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  filter: blur(15px);
}

.hero-pulse-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(10, 10, 15, 0.05);
  backdrop-filter: blur(50px);
  -webkit-backdrop-filter: blur(50px);
  animation: heroPulse 10s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% { opacity: 0.05; }
  50%       { opacity: 0.15; }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5, 5, 8, 0.97) 0%,
    rgba(5, 5, 8, 0.45) 50%,
    rgba(5, 5, 8, 0.15) 100%
  );
  z-index: 3;
}

.hero-content {
  position: relative;
  z-index: 4;
  padding: 0 1.5rem;
  max-width: 1200px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Hero text animations */
.reveal-hero {
  opacity: 0;
  transform: translateY(30px);
  animation: heroReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes heroReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-name {
  font-size: clamp(0.7rem, 1.2vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero-role {
  font-size: clamp(0.75rem, 1.3vw, 0.95rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 1.75rem;
  margin-top: -0.75rem;
}

.hero-headline {
  font-size: clamp(2.8rem, 6.5vw, 7.5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero-subline {
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: 300;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.5;
  text-align: center;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: heroReveal 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.9s forwards;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 1.5px solid var(--text-muted);
  border-bottom: 1.5px solid var(--text-muted);
  transform: rotate(45deg);
  animation: scrollBounce 1.6s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
  50%       { transform: rotate(45deg) translateY(6px); opacity: 1; }
}

/* ── Reveal Animation (Scroll) ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--delay, 0s),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-hero {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  .scroll-arrow { animation: none; }
  #cursor-glow { display: none; }
}

/* ── Section shared styles ──────────────────────────────────── */
section {
  padding: 6rem 0;
}

@media (min-width: 1024px) { section { padding: 8rem 0; } }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 3rem;
}

.centered { text-align: center; }

/* ── Über mich ──────────────────────────────────────────────── */
#ueber-mich {
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
  }
}

.about-photo-wrap {
  position: relative;
}

#profil-foto {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: url('Ronny-Baecker.jpg') center top / cover no-repeat;
  position: relative;
  overflow: hidden;
}

#profil-foto::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 50%, var(--bg) 100%),
    linear-gradient(to right, var(--bg) 0%, transparent 15%),
    linear-gradient(to left, var(--bg) 0%, transparent 15%);
}

.about-text .section-title {
  margin-bottom: 2rem;
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

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

/* ── Zahlen & Fakten ────────────────────────────────────────── */
#zahlen {
  background: var(--bg-stats);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

#zahlen .section-title {
  margin-bottom: 4rem;
}

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

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-item {
  padding: 2.5rem 2rem;
  background: #0a0a0a;
  transition: background var(--transition);
  text-align: center;
}

.stat-item:hover {
  background: rgba(37, 99, 235, 0.04);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 200px;
  margin: 0 auto;
}

/* ── Kunden ─────────────────────────────────────────────────── */
#kunden {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 5rem 0;
}

#kunden .section-label,
#kunden .section-title {
  margin-bottom: 1rem;
}

#kunden .section-title {
  margin-bottom: 3.5rem;
}

.kunden-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

@media (max-width: 900px) {
  .kunden-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 540px) {
  .kunden-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.kunden-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem 1rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
}

.kunden-tile:hover {
  border-color: var(--border-hover);
  color: var(--text);
  box-shadow: 0 0 24px var(--accent-glow);
}

/* ── Kompetenzen ────────────────────────────────────────────── */
#kompetenzen {
  background: var(--bg);
}

#kompetenzen .section-label,
#kompetenzen .section-title {
  margin-bottom: 1rem;
}

#kompetenzen .section-title {
  margin-bottom: 3.5rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition),
              box-shadow var(--transition),
              transform var(--transition),
              background var(--transition);
  cursor: default;
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(37,99,235,0.1);
  transform: translateY(-4px);
  background: rgba(37, 99, 235, 0.04);
}

.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.25rem;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  transition: background var(--transition);
}

.card:hover .card-icon {
  background: rgba(37, 99, 235, 0.2);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.875rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Kontakt ────────────────────────────────────────────────── */
#kontakt {
  background: var(--bg-contact);
  border-top: 1px solid var(--border);
}

.contact-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-inner .section-label { margin-bottom: 1rem; }

.contact-inner .section-title {
  margin-bottom: 3rem;
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 480px) {
  .contact-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  min-height: 48px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 30px var(--accent-glow-strong);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-2px);
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-stats);
}

footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

footer p {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color var(--transition);
}

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

/* ── Focus styles (Accessibility) ──────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Cookie Banner ──────────────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(calc(100% + 2rem));
  z-index: 9999;
  width: calc(100% - 3rem);
  max-width: 820px;
  background: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.04);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 0;
}

#cookie-banner.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

#cookie-banner.hiding {
  transform: translateX(-50%) translateY(calc(100% + 2rem));
  opacity: 0;
}

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .cookie-inner {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
  }
}

.cookie-text {
  flex: 1;
}

.cookie-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: 0.01em;
}

.cookie-text p:last-child {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.cookie-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.cookie-link:hover { color: var(--accent-hover); }

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.btn-cookie {
  padding: 0.625rem 1.25rem;
  border-radius: 7px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
  white-space: nowrap;
  transition: all var(--transition);
}

.btn-cookie-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
}
.btn-cookie-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-cookie-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-cookie-outline:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text);
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-stats); }
::-webkit-scrollbar-thumb { background: var(--text-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Selection ──────────────────────────────────────────────── */
::selection {
  background: rgba(37, 99, 235, 0.4);
  color: var(--text);
}