/* ===================================================
   App.css — Landing Page Editorial Sections
   =================================================== */

/* ===== LANDING PAGE CONTAINER ===== */
.landing-page {
  position: relative;
  z-index: 1;
}

.landing-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== EDITORIAL NAV ===== */
.editorial-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 32px 40px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--duration) var(--ease-editorial);
}

.editorial-nav.scrolled {
  padding: 14px 40px;
  background: rgba(247, 246, 242, 0.80);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand-bar {
  display: block;
  height: 1px;
  background: var(--fg);
}

.nav-brand-bar.short { width: 24px; }
.nav-brand-bar.long { width: 32px; }

.nav-brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: color var(--duration) var(--ease-editorial);
}

.nav-link:hover { color: var(--fg); }

/* ===== HERO ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px 40px 100px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
  animation: editorialSlideUp 1s var(--ease-editorial) both;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulseDot 2s ease infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 7vw;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--fg);
  margin-bottom: 32px;
  animation: editorialSlideUp 1s 0.15s var(--ease-editorial) both;
}

.hero-title em {
  font-style: italic;
  color: var(--muted);
}

.hero-char {
  display: inline-block;
  animation: charReveal 150ms var(--ease-editorial) both;
}

.hero-char.italic {
  font-style: italic;
  color: var(--muted);
}

.typing-cursor {
  display: inline-block;
  font-weight: 200;
  color: var(--primary);
  margin-left: 4px;
  transition: opacity 100ms;
}

.hero-subtitle.hidden,
.hero-cta.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.hero-subtitle.fade-in,
.hero-cta.fade-in {
  animation: editorialSlideUp 0.8s var(--ease-editorial) both;
}

.hero-cta.fade-in {
  animation-delay: 0.2s;
}

@keyframes charReveal {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--fg);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
  animation: editorialSlideUp 1s 0.3s var(--ease-editorial) both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  transition: all var(--duration) var(--ease-editorial);
  animation: editorialSlideUp 1s 0.45s var(--ease-editorial) both;
}

.hero-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.20);
  transform: translateY(100%);
  transition: transform var(--duration) var(--ease-editorial);
}

.hero-cta:hover { letter-spacing: 0.4em; }
.hero-cta:hover::after { transform: translateY(0); }

@keyframes editorialSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== STATISTICS GRID ===== */
.stats-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1280px;
  margin: 0 auto;
}

.stat-cell {
  padding: 40px;
  border-right: 1px solid var(--border);
  transition: background var(--duration) var(--ease-editorial);
}

.stat-cell:last-child { border-right: none; }
.stat-cell:hover { background: #ffffff; }

.stat-icon-box {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--muted);
}

/* ===== TEXT REVEAL ===== */
.text-reveal-section {
  padding: 120px 40px;
  max-width: 1280px;
  margin: 0 auto;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.text-reveal-content {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.4;
  color: var(--fg);
}

.text-reveal-content .reveal-word {
  opacity: 0.15;
  transition: opacity 400ms var(--ease-editorial);
  display: inline;
}

.text-reveal-content .reveal-word.active {
  opacity: 1;
}

/* ===== WORKFLOW ===== */
.workflow-section {
  border-top: 1px solid var(--border);
  padding: 100px 40px;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  min-height: 70vh;
}

.workflow-header {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-bottom: 40px;
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.workflow-step {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: opacity var(--duration) var(--ease-editorial);
}

.workflow-step.inactive { opacity: 0.4; }
.workflow-step.active { opacity: 1; }

.workflow-step-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.workflow-step-number {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--primary);
  min-width: 30px;
}

.workflow-step-title {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--fg);
  font-weight: 700;
}

.workflow-step-desc {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: all var(--duration) var(--ease-editorial);
  padding-left: 46px;
}

.workflow-step.active .workflow-step-desc {
  max-height: 200px;
  opacity: 1;
  padding-top: 12px;
}

.workflow-step-desc p {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--fg);
  line-height: 1.7;
}

.workflow-right {
  position: relative;
}

.workflow-card {
  position: sticky;
  top: 120px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.workflow-image {
  width: 100%;
  height: 360px;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.6;
  mix-blend-mode: multiply;
  display: block;
}

.workflow-card .scan-line {
  margin-top: -2px;
}

/* ===== USE CASE TABS ===== */
.tabs-section {
  border-top: 1px solid var(--border);
  padding: 100px 40px;
  max-width: 1280px;
  margin: 0 auto;
}

.tabs-header {
  text-align: center;
  margin-bottom: 48px;
}

.tabs-header h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: 16px;
}

.tab-switcher {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.tab-pill {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--duration) var(--ease-editorial);
}

.tab-pill:hover { border-color: var(--fg); color: var(--fg); }

.tab-pill.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.tab-content-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 60px;
  position: relative;
  overflow: hidden;
  min-height: 340px;
}

.tab-ghost-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 240px;
  opacity: 0.05;
  pointer-events: none;
  line-height: 1;
}

.tab-content-inner {
  position: relative;
  z-index: 1;
}

.tab-content-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 12px;
}

.tab-content-desc {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--fg);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
}

.benefit-item {
  padding: 24px 20px;
  border-right: 1px solid var(--border);
}

.benefit-item:last-child { border-right: none; }

.benefit-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.benefit-title {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fg);
  font-weight: 700;
  margin-bottom: 6px;
}

.benefit-desc {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== CONTACT FORM ===== */
.contact-section {
  border-top: 1px solid var(--border);
  padding: 100px 40px;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-left h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 20px;
}

.contact-left p {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--fg);
  line-height: 1.7;
  max-width: 400px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-input {
  width: 100%;
  padding: 14px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  border-radius: 0;
  transition: border-color var(--duration) var(--ease-editorial);
}

.contact-input::placeholder {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.contact-input:focus { border-bottom-color: var(--primary); }

.contact-textarea {
  width: 100%;
  padding: 14px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  border-radius: 0;
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--duration) var(--ease-editorial);
}

.contact-textarea::placeholder {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.contact-textarea:focus { border-bottom-color: var(--primary); }

.contact-submit {
  width: 100%;
  padding: 18px 40px;
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(61, 112, 104, 0.3);
  transition: all var(--duration) var(--ease-editorial);
  margin-top: 8px;
}

.contact-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.20);
  transform: translateY(100%);
  transition: transform var(--duration) var(--ease-editorial);
}

.contact-submit:hover { letter-spacing: 0.5em; }
.contact-submit:hover::after { transform: translateY(0); }

/* ===== FOOTER ===== */
.editorial-footer {
  border-top: 1px solid var(--border);
  padding: 40px;
  text-align: center;
}

.footer-text {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--muted);
}

/* ===== SIMULATOR SECTION WRAPPER ===== */
.simulator-section {
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.simulator-section .top-bar {
  position: sticky;
}

/* ===== RESPONSIVE LANDING ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 12vw; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-cell { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-cell:last-child { border-bottom: none; }
  .workflow-section { grid-template-columns: 1fr; }
  .contact-section { grid-template-columns: 1fr; gap: 40px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .benefit-item { border-right: none; border-bottom: 1px solid var(--border); }
  .benefit-item:last-child { border-bottom: none; }
}

@media (max-width: 640px) {
  .editorial-nav { padding: 16px 20px 10px; }
  .editorial-nav.scrolled { padding: 10px 20px; }
  .nav-links { gap: 16px; }
  .hero-section { padding: 120px 20px 60px; }
  .hero-title { font-size: 14vw; }
  .landing-section { padding: 0 20px; }
  .text-reveal-section { padding: 60px 20px; }
  .workflow-section { padding: 60px 20px; }
  .tabs-section { padding: 60px 20px; }
  .contact-section { padding: 60px 20px; }
  .tab-content-card { padding: 30px; }
  .tab-ghost-icon { font-size: 120px; }
}