/* ==============================
   WMS System — Landing Page CSS
   ============================== */

:root {
  --primary: #008260;
  --primary-dark: #006349;
  --primary-light: #e6f5f0;
  --accent: #F37021;
  --accent-dark: #d55f1a;
  --text: #1a1a2e;
  --text-secondary: #555e68;
  --text-muted: #8a929b;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-warm: #fdf8f3;
  --border: #e5e7eb;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
  --shadow-accent: 0 12px 30px rgba(243,112,33,0.3);
  --shadow-primary: 0 12px 30px rgba(0,130,96,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-accent:hover { box-shadow: 0 16px 40px rgba(243,112,33,0.4); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { box-shadow: 0 16px 40px rgba(0,130,96,0.35); }

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-ghost:hover { background: var(--primary); color: #fff; }

.btn-outline-white {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.3); }

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* === TEXT HELPERS === */
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow-light {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-header { margin-bottom: 60px; }
.section-header.center { text-align: center; }
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
}

/* === HEADER === */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
header.scrolled {
  background: rgba(255,255,255,0.96);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary-dark);
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 1rem;
}

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { width: 100%; }

.nav-actions { display: flex; gap: 12px; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text);
  cursor: pointer;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 65, 50, 0.92) 0%,
    rgba(0, 99, 73, 0.85) 40%,
    rgba(0, 99, 73, 0.7) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 24px;
}

.hero-text { color: #fff; }

.badge {
  display: inline-block;
  margin-bottom: 20px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.95);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}
.highlight { color: var(--accent); }

.hero-description {
  font-size: 1.1rem;
  line-height: 1.75;
  opacity: 0.9;
  max-width: 540px;
  margin-bottom: 30px;
}

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

.hero-dashboard {
  position: relative;
}
.hero-dashboard img {
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.3);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* === PILLARS === */
.pillars {
  padding: 100px 0;
  background: var(--bg);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pillar-card {
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.pillar-card:hover::before { transform: scaleX(1); }

.pillar-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.pillar-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.pillar-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === FEATURES TABS === */
.features-section {
  padding: 100px 0;
  background: var(--bg-soft);
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border: 2px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn i { font-size: 1rem; }
.tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
}

.tab-panel {
  display: none;
  animation: fadeUp 0.5s ease;
}
.tab-panel.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.feature-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg);
  box-shadow: var(--shadow-lg);
}

.feature-info {
  padding: 50px 40px;
  background: linear-gradient(160deg, var(--primary-dark), var(--primary));
  color: #fff;
}

.feature-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.feature-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 28px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  opacity: 0.92;
  line-height: 1.5;
}
.feature-list li i {
  color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--bg-warm);
}
.feature-visual img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-height: 400px;
  object-fit: cover;
  width: 100%;
}

/* === OPERATOR BANNER === */
.operator-banner {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.operator-bg {
  position: absolute;
  inset: 0;
}
.operator-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.operator-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.97) 0%,
    rgba(255,255,255,0.92) 40%,
    rgba(255,255,255,0.6) 70%,
    transparent 100%
  );
}

.operator-content { position: relative; z-index: 1; padding: 80px 0; }

.operator-text { max-width: 520px; }
.operator-text h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}
.operator-text > p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 30px;
}

/* === STATS === */
.stats-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--primary-dark) 0%, #004d3d 100%);
  color: #fff;
}
.stats-section .section-header h2 { color: #fff; }
.stats-section .eyebrow {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.stat-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-6px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  background: rgba(243,112,33,0.2);
  color: var(--accent);
  font-size: 1.3rem;
}

.stat-card h3 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}
.stat-card p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

/* === CASES === */
.cases-section {
  padding: 100px 0;
  background: var(--bg);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.case-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.case-card:hover .case-image img { transform: scale(1.05); }

.case-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(243,112,33,0.9);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 8px 25px rgba(243,112,33,0.4);
}
.case-play:hover {
  background: var(--accent-dark);
  transform: translate(-50%, -50%) scale(1.1);
}

.case-info {
  padding: 20px 24px;
}
.case-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.4;
}
.case-info p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* === CTA === */
.cta-section {
  padding: 100px 0;
  background: var(--bg-soft);
}

.cta-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  padding: 60px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--primary-dark) 0%, #004d3d 100%);
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-info h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.cta-info > p {
  opacity: 0.85;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.cta-features {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.cta-feat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.9;
}
.cta-feat i { color: var(--accent); }

.cta-form {
  background: rgba(255,255,255,0.95);
  padding: 36px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cta-form h4 {
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.cta-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.cta-form input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cta-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,130,96,0.12);
}

/* === FOOTER === */
footer {
  background: #f0f4f3;
  padding: 80px 0 30px;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.social-links a {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #dfe3e1;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition);
}
.social-links a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 20px;
}
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }
.footer-badges {
  display: flex;
  gap: 16px;
  color: var(--text-muted);
  font-size: 1.3rem;
}

/* === SCROLL REVEAL === */
.reveal-init {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-dashboard { max-width: 600px; margin: 0 auto; }
  .pillars-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .feature-panel { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .cta-card { grid-template-columns: 1fr; padding: 40px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    padding: 30px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    z-index: 999;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; }
  .main-nav a { font-size: 1.1rem; }

  .nav-actions { display: none; }
  .mobile-toggle { display: block; }

  .hero { min-height: auto; }
  .hero-content { padding: 60px 24px; }
  .hero h1 { font-size: 1.8rem; }

  .tabs-nav { gap: 8px; }
  .tab-btn { padding: 10px 16px; font-size: 0.82rem; }
  .tab-btn i { display: none; }

  .feature-info { padding: 36px 24px; }
  .feature-visual { padding: 24px; }

  .operator-bg::after {
    background: linear-gradient(
      180deg,
      rgba(255,255,255,0.97) 0%,
      rgba(255,255,255,0.9) 100%
    );
  }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card h3 { font-size: 2rem; }

  .cases-grid { grid-template-columns: 1fr; }

  .cta-card { padding: 30px 20px; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
  .hero-cta { flex-direction: column; }
  .stat-card { padding: 24px 16px; }
  .stat-card h3 { font-size: 1.8rem; }
}