/* ─── Fonts ──────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --bg: #040406;
  --text-primary: #f4f4f5;
  --text-secondary: rgba(244,244,245,0.65);
  --text-muted: rgba(244,244,245,0.38);
  --glass-bg: rgba(255, 255, 255, 0.016);
  --glass-bg-hover: rgba(255, 255, 255, 0.045);
  --glass-border: rgba(255, 255, 255, 0.13);
  --glass-border-hover: rgba(255, 255, 255, 0.24);
  --accent: rgba(56, 189, 248, 0.85);       /* Sky blue accent */
  --accent-glow: rgba(56, 189, 248, 0.18);
  --font-main: 'Geist', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --transition-base: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

a {
  text-decoration: none;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  position: relative;
}

/* ─── Ambient Animated Background ───────────────────────── */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

/* Central radial spotlight — jemná studená žiara od stredu */
.ambient-bg::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 120vw;
  height: 80vh;
  background: radial-gradient(ellipse at 50% 30%,
    rgba(55, 65, 95, 0.45) 0%,
    rgba(30, 35, 55, 0.25) 35%,
    transparent 70%
  );
  filter: blur(20px);
}

/* Floating blobs — jemné, pomalé, neutrálne studené odtiene */
.blob {
  position: absolute;
  border-radius: 50%;
  animation: floatBlob 25s ease-in-out infinite alternate;
  filter: blur(90px);
  opacity: 0.5;
}

.blob-1 {
  top: 5%;
  left: 5%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(25, 35, 65, 0.6), transparent 70%);
  animation-duration: 28s;
  animation-delay: 0s;
}

.blob-2 {
  top: 35%;
  right: -15%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(40, 30, 55, 0.45), transparent 70%);
  animation-duration: 22s;
  animation-delay: -8s;
}

.blob-3 {
  bottom: -15%;
  left: 25%;
  width: 65vw;
  height: 65vw;
  background: radial-gradient(circle, rgba(15, 40, 55, 0.5), transparent 70%);
  animation-duration: 32s;
  animation-delay: -15s;
}

@keyframes floatBlob {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(4%, 8%) scale(1.06); }
  66%  { transform: translate(-3%, 12%) scale(0.96); }
  100% { transform: translate(5%, -4%) scale(1.04); }
}

/* ─── Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── Header ────────────────────────────────────────────── */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0 0 0;
  margin-bottom: 4rem;
}

.logo {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.logo-img {
  height: 26px;
  width: auto;
  max-height: 28px;
  object-fit: contain;
  display: inline-block;
}

nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-base);
}

nav a:hover {
  color: var(--text-primary);
}

.btn-nav {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 7px 18px;
  border-radius: 99px;
  font-size: 0.88rem;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-nav:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
}

.mobile-nav-toggle {
  display: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all var(--transition-base);
  z-index: 1001;
}

.mobile-nav-toggle:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
}

.mobile-nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Bento Grid ────────────────────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(240px, auto);
  gap: 1.2rem;
  margin-bottom: 5rem;
}

.bento-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);

  /* GSAP animuje opacity/y, preto tu nie sú v defaults */
}

.bento-box::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.018) 0%, transparent 60%);
  pointer-events: none;
}

.bento-box:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.05);
}

.span-col-2 { grid-column: span 2; }
.span-col-3 { grid-column: span 3; }
.span-row-2 { grid-row: span 2; }

/* ─── Main Hero Top Section ─────────────────────────────── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(110, 231, 183, 0.07);
  color: var(--accent);
  border: 1px solid rgba(110, 231, 183, 0.18);
  padding: 5px 13px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  width: fit-content;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: blinkDot 2.2s ease-in-out infinite;
}

@keyframes blinkDot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-top-section {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 0 4rem 0;
  max-width: 880px;
  margin: 0 auto;
}

.hero-main-title {
  font-size: clamp(2.2rem, 4.2vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(170deg, #ffffff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-main-sub {
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.65;
  max-width: 680px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

/* ─── Box: Hero Card (v Bento Gride) ────────────────────── */
.box-hero {
  justify-content: flex-end;
  padding: 2.25rem;
}

.hero-card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.85rem;
  letter-spacing: 0.05em;
}

.hero-card-title {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.hero-card-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.hero-card-features {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.h-feat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  color: var(--text-primary);
}

.h-feat-icon {
  font-size: 0.95rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--text-primary);
  color: var(--bg);
  border: none;
  padding: 13px 26px;
  border-radius: 99px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.3s ease;
  width: fit-content;
  text-decoration: none;
}

.btn-primary svg {
  transition: transform 0.3s ease;
}

.btn-primary:hover {
  background: #e4e4e7;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

/* ─── Box: Stats ────────────────────────────────────────── */
.box-stat {
  justify-content: flex-end;
}

.stat-number {
  font-size: 3.8rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  background: linear-gradient(170deg, #ffffff 0%, #71717a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.box-title {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.box-desc {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.55;
}

/* ─── Box: Pipeline ─────────────────────────────────────── */
.box-pipeline {
  padding-bottom: 1.65rem;
}

.pipeline-wrapper {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
  flex: 1;
  align-items: stretch;
}

.pipeline-step {
  flex: 1;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.05rem 1.15rem;
}

.step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
  letter-spacing: 0.02em;
}

.pipeline-step h4 {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.pipeline-step p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── Box: Email Preview ────────────────────────────────── */
.box-email {
  gap: 0;
}

/* Email tab switcher */
.email-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.email-tab-btn {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 5px 13px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.25s ease;
}

.email-tab-btn:hover {
  color: var(--text-secondary);
  border-color: var(--glass-border-hover);
}

.email-tab-btn.active {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.18);
  color: var(--text-primary);
}

.email-panel {
  display: none;
  flex-direction: column;
  flex: 1;
}

.email-panel.active {
  display: flex;
}

.email-mockup {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.81rem;
  line-height: 1.65;
  color: var(--text-secondary);
  position: relative;
  overflow: hidden;
}

.email-mockup-label {
  display: inline-block;
  font-size: 0.68rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 0.85rem;
  padding: 3px 8px;
  background: rgba(110,231,183,0.07);
  border: 1px solid rgba(110,231,183,0.15);
  border-radius: 4px;
  align-self: flex-start;
}

.email-mockup-body {
  margin-top: auto;
  margin-bottom: auto;
}

.email-strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ─── Box: Agent Thinking / Activity Widget ─────────────── */
.box-agent-thinking {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  padding: 1.6rem;
}

.thinking-header {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.95rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--glass-border);
}

.thinking-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: blinkDot 1.8s ease-in-out infinite;
}

.thinking-target {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-top: 0.1rem;
}

.thinking-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
  justify-content: flex-start;
  margin-bottom: 0.85rem;
  min-height: 330px;
}

.thinking-step-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  transition: all 0.3s ease;
}

.thinking-step-item:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--glass-border-hover);
}

.step-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.step-header-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
}

.step-title {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.step-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.09);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 2px 7px;
  border-radius: 99px;
  flex-shrink: 0;
}

.step-detail {
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thinking-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--glass-border);
  margin-top: auto;
}

.thinking-progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 99px;
  overflow: hidden;
}

.thinking-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.5), var(--accent));
  border-radius: 99px;
  transition: width 0.5s ease-out;
}

.thinking-status-text {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  height: 1.4em;
  line-height: 1.4em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Box: Sources ──────────────────────────────────────── */
.box-sources {
  justify-content: space-between;
}

.sources-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
}

.sources-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.sources-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}

.src-icon {
  font-size: 0.9rem;
}

.src-badge {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  background: rgba(110, 231, 183, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(110, 231, 183, 0.2);
}

/* ─── Box: ROI ──────────────────────────────────────────── */
.box-roi {
  justify-content: flex-end;
}

.roi-cost {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.4rem;
  background: linear-gradient(170deg, #ffffff 0%, #71717a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.roi-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.roi-divider {
  border: none;
  border-top: 1px dashed var(--glass-border);
  margin-bottom: 1.25rem;
}

.roi-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
  gap: 0.5rem;
}

.roi-row span {
  white-space: nowrap;
}

.roi-row span:last-child {
  font-weight: 500;
  color: var(--text-primary);
}

/* ─── Section Common ────────────────────────────────────── */
section {
  margin-bottom: 5rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  background: linear-gradient(170deg, #ffffff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 55ch;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

/* ─── Section: Process ──────────────────────────────────── */
#proces .process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.process-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.process-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.process-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-3px);
}

.process-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: block;
}

.process-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: block;
  opacity: 0.85;
}

.process-card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.process-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Section: Comparison ───────────────────────────────── */
#porovnanie .compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.compare-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.compare-card.lifin-card {
  background: rgba(110, 231, 183, 0.04);
  border-color: rgba(110, 231, 183, 0.12);
}

.compare-label {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.compare-card.lifin-card .compare-label {
  color: var(--accent);
}

.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.compare-item .ci-icon {
  margin-top: 2px;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.compare-card.lifin-card .compare-item {
  color: var(--text-primary);
}

/* ─── Section: FAQ ──────────────────────────────────────── */
#faq {
  text-align: center;
}

#faq .section-sub {
  margin-left: auto;
  margin-right: auto;
}

#faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.open {
  border-color: var(--glass-border-hover);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.98rem;
  font-weight: 400;
  text-align: left;
  padding: 1.3rem 1.75rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition-base);
}

.faq-question:hover {
  color: var(--text-primary);
}

.faq-chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--text-secondary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 1.75rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  border-top: 1px solid var(--glass-border);
  padding-top: 1.25rem;
}

/* ─── Section: Demo / CTA ───────────────────────────────── */
#demo {
  margin-bottom: 4rem;
}

.demo-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.demo-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(56, 189, 248, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.demo-title {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  background: linear-gradient(170deg, #ffffff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.demo-sub {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.demo-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-field {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.form-field::placeholder {
  color: var(--text-muted);
}

.form-field:focus {
  border-color: var(--glass-border-hover);
  background: rgba(255,255,255,0.06);
}

.form-textarea {
  resize: none;
  line-height: 1.55;
  min-height: 4.5rem;
}

.btn-submit {
  width: 100%;
  background: var(--text-primary);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.9rem 1.5rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 0.25rem;
}

.btn-submit:hover {
  background: #e4e4e7;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
}

.form-success.show {
  display: block;
}

.form-success-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.form-success p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

footer {
  border-top: 1px solid var(--glass-border);
  padding: 2.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-logo,
.footer-copy {
  flex: 1;
}

.footer-copy {
  text-align: right;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-logo {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s;
}

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

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1100px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .span-col-2, .span-col-3 { grid-column: span 2; }

  #proces .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

body.menu-open {
  overflow: hidden !important;
}

@media (max-width: 768px) {
  header {
    position: relative;
    padding: 1.2rem 0;
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10001;
  }

  header.menu-open {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 1.2rem 2rem;
    margin-bottom: 0;
    z-index: 100001;
    box-sizing: border-box;
  }

  .logo, .mobile-nav-toggle {
    position: relative;
    z-index: 100002;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  nav.nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #0a0e17;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.2rem;
    padding: 2rem;
    z-index: 100000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    text-align: center;
    border: none;
    border-radius: 0;
    box-shadow: none;
  }

  nav.nav-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  nav.nav-menu a {
    font-size: 1.6rem;
    font-weight: 500;
    padding: 0.6rem 2rem;
    border-radius: 14px;
    color: var(--text-primary);
    transition: all 0.2s ease;
    display: inline-block;
    width: auto;
  }

  nav.nav-menu a:hover {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.08);
  }

  nav.nav-menu .btn-nav {
    margin-top: 1rem;
    font-size: 1.2rem;
    padding: 14px 40px;
    border-radius: 99px;
    display: inline-block;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }
  .span-col-2, .span-col-3 { grid-column: span 1; }
  .span-row-2 { grid-row: span 1; }

  .box-hero h1 { font-size: 1.9rem; }

  #proces .process-grid {
    grid-template-columns: 1fr;
  }

  #porovnanie .compare-grid {
    grid-template-columns: 1fr;
  }

  .demo-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.25rem;
  }

  .pipeline-wrapper {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* ─── 404 Error Page ─────────────────────────────────────── */
.error-page-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.error-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.error-hero-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 0 4rem 0;
  flex: 1;
}

.error-card {
  width: 100%;
  max-width: 760px;
  text-align: center;
  align-items: center;
  padding: 3.5rem 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.status-pill-error {
  background: rgba(239, 68, 68, 0.08);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.22);
  margin-bottom: 1rem;
}

.status-dot-error {
  background: #f87171;
  box-shadow: 0 0 8px #f87171;
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(5.5rem, 14vw, 9.5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(170deg, #ffffff 15%, rgba(56, 189, 248, 0.45) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0.5rem 0 1.25rem 0;
  filter: drop-shadow(0 0 40px rgba(56, 189, 248, 0.15));
}

.error-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  margin-bottom: 1rem;
}

.error-sub {
  font-size: 1.05rem;
  max-width: 580px;
  margin-bottom: 2.25rem;
}

.error-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-secondary-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 13px 26px;
  border-radius: 99px;
  font-size: 0.92rem;
  font-weight: 500;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-secondary-glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  color: #ffffff;
}

@media (max-width: 500px) {
  .container { padding: 0 1.2rem; }
  header { padding: 1rem 0; margin-bottom: 2rem; }
  header.menu-open { padding: 1rem 1.2rem; }
  .bento-box { padding: 1.5rem; }
  .error-card { padding: 2.2rem 1.25rem; }
  .error-actions { flex-direction: column; width: 100%; }
  .error-actions .btn-primary, .error-actions .btn-secondary-glass { width: 100%; justify-content: center; }
  footer { flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 1.25rem; }
  .footer-copy { text-align: center; }
}