/* ============================================================
   KAIZENICS — Design System
   ============================================================ */

:root {
  --bg:          #090e1a;
  --bg-2:        #0d1829;
  --bg-card:     rgba(13, 28, 50, 0.85);
  --accent:      #00d4aa;
  --accent-light:#39ffb8;
  --accent-glow: rgba(0, 212, 170, 0.12);
  --text:        #e8f0fe;
  --text-muted:  #6b7fa3;
  --border:      rgba(0, 212, 170, 0.18);
  --font:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:      12px;
  --max-width:   1200px;
  --ease:        0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--accent); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--accent-light); }

strong { color: var(--text); font-weight: 600; }

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 100px 0; }

.section-alt { background: var(--bg-2); }

.text-center { text-align: center; }
.text-center .lead { margin-left: auto; margin-right: auto; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 660px;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #090e1a;
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
}
.btn-primary:hover {
  background: var(--accent-light);
  color: #090e1a;
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(0,212,170,0.28);
}

.btn-secondary {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: border-color var(--ease), color var(--ease);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
   NAV
   ============================================================ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(9, 14, 26, 0.88);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); }

.btn-nav {
  background: var(--accent) !important;
  color: #090e1a !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
}
.btn-nav:hover {
  background: var(--accent-light) !important;
  color: #090e1a !important;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(9,14,26,0.90) 0%,
    rgba(9,14,26,0.65) 55%,
    rgba(9,14,26,0.80) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 130px 32px 90px;
}

.hero-tag {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 820px;
  margin-bottom: 28px;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 44px;
  line-height: 1.75;
}

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

/* ============================================================
   CHALLENGE SECTION
   ============================================================ */

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 52px;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(10px);
}

.pain-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  line-height: 1;
}

.pain-card h3 { color: var(--text); margin-bottom: 10px; }
.pain-card p  { color: var(--text-muted); font-size: 0.93rem; line-height: 1.7; }

.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 52px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-item {
  background: var(--bg-card);
  padding: 36px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }

.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   CARDS
   ============================================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(10px);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,212,170,0.08);
}

.card-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 18px;
}

.card-title { font-size: 1rem; font-weight: 700; margin-bottom: 5px; }
.card-sub   { font-size: 0.78rem; color: var(--accent); font-weight: 600; letter-spacing: 0.04em; margin-bottom: 14px; }
.card p     { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

/* Step cards in methodology section */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color var(--ease);
}
.step-card:hover { border-color: var(--accent); }

.step-num {
  color: var(--accent);
  font-weight: 900;
  font-size: 1.15rem;
  min-width: 28px;
  line-height: 1.6;
}

.step-card strong { display: block; margin-bottom: 4px; font-size: 0.95rem; }
.step-card span   { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

/* ============================================================
   FEATURE LIST
   ============================================================ */

.feature-list {
  list-style: none;
  padding: 0;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  color: var(--text-muted);
  font-size: 0.97rem;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  line-height: 1.6;
}

.feature-list li::before {
  content: '✦';
  color: var(--accent);
  font-size: 0.7rem;
  margin-top: 5px;
  flex-shrink: 0;
}

/* ============================================================
   IMAGES
   ============================================================ */

.img-full {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 24px 70px rgba(0,0,0,0.45);
}

.industries-img {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 48px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 70px rgba(0,0,0,0.4);
}

.industries-img img {
  width: 100%;
  display: block;
  max-height: 380px;
  object-fit: cover;
  object-position: center;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */

.contact-section {
  background: linear-gradient(135deg, var(--bg) 0%, #091520 100%);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  background: #060a14;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 52px;
}

.footer-logo { height: 36px; margin-bottom: 18px; }

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 340px;
}

.footer-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 11px; }
.footer-links a  { color: var(--text-muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent); }
.footer-links .address {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  font-style: normal;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ============================================================
   IMPRINT PAGE
   ============================================================ */

.imprint-page {
  padding: 130px 0 90px;
}

.imprint-page h1 {
  font-size: 2.2rem;
  margin-bottom: 48px;
  font-weight: 800;
}

.imprint-page h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 36px 0 12px;
  color: var(--accent);
}

.imprint-page p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 6px;
}

.imprint-page a { color: var(--accent); }
.imprint-page a:hover { color: var(--accent-light); }

/* ============================================================
   EVENT BANNER — BCW26
   ============================================================ */

.event-banner {
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 0;
  background:
    linear-gradient(105deg, rgba(9,14,26,0.97) 0%, rgba(9,14,26,0.88) 55%, rgba(14,22,42,0.80) 100%),
    url('../media/green lines across platine.png') center / cover;
}

.event-bg, .event-overlay { display: none; }

.event-inner {
  padding-top: 90px;
  padding-bottom: 90px;
  max-width: 700px;
}

.event-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(226, 0, 21, 0.12);
  border: 1px solid rgba(226, 0, 21, 0.45);
  color: #ff4d5e;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}

.event-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff4d5e;
  flex-shrink: 0;
  animation: bcw-pulse 2s infinite;
}

@keyframes bcw-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 77, 94, 0.75); }
  70%  { box-shadow: 0 0 0 9px rgba(255, 77, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 94, 0); }
}

.event-meta {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.event-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 22px;
  color: var(--text);
}

.event-title span {
  background: linear-gradient(90deg, #00d4aa 0%, #39ffb8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.event-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 32px;
}

.event-sub strong { color: var(--text); }

.event-details {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.event-detail-item {
  background: rgba(0, 212, 170, 0.07);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.btn-event {
  display: inline-block;
  background: linear-gradient(135deg, #c8001a 0%, #ff4d5e 100%);
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 8px 28px rgba(200, 0, 26, 0.40);
  transition: transform var(--ease), box-shadow var(--ease);
}

.btn-event:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(200, 0, 26, 0.55);
}

/* ============================================================
   DOT NAVIGATION — TOC
   ============================================================ */

.toc-nav {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}

.toc-dot {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  cursor: pointer;
}

.toc-dot::before {
  content: attr(data-label);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(5px);
  transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
  pointer-events: none;
}

.toc-dot:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.toc-dot.active::before {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}

.toc-dot i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.35;
  flex-shrink: 0;
  transition: background 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
  display: block;
}

.toc-dot:hover i {
  opacity: 0.7;
  background: var(--text);
}

.toc-dot.active i {
  background: var(--accent);
  opacity: 1;
  transform: scale(1.5);
  box-shadow: 0 0 8px rgba(0, 212, 170, 0.5);
}

@media (max-width: 1280px) {
  .toc-nav { display: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .split {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .pain-grid  { grid-template-columns: 1fr; }
  .stats-bar  { grid-template-columns: 1fr; }
  .stats-bar .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stats-bar .stat-item:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cards-grid[style*="repeat(3"] { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 70px 0; }
  .container { padding: 0 20px; }

  .nav-links { display: none; }

  .hero h1 { font-size: 2.3rem; }
  .hero p  { font-size: 1rem; }

  .pain-grid  { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}