/* ══════════════════════════════════════════
   eCargoWorld Case Study Theme
   Navy (#2E3F5C) + Amber (#F5A623)
   Clean, minimal, professional
   ══════════════════════════════════════════ */

:root {
  --ec-navy: #2E3F5C;
  --ec-navy-dark: #1a2538;
  --ec-navy-light: #3d5275;
  --ec-amber: #F5A623;
  --ec-amber-dim: rgba(245,166,35,0.12);
  --ec-amber-glow: rgba(245,166,35,0.25);
  --ec-white: #ffffff;
  --ec-white-soft: rgba(255,255,255,0.7);
  --ec-white-dim: rgba(255,255,255,0.4);
}

.ec-body {
  background: var(--ec-navy-dark);
  color: var(--ec-white);
  font-family: 'Inter', 'Instrument Sans', sans-serif;
}

/* ── EC NAV ── */
.ec-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 48px;
  background: rgba(26,37,56,0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(245,166,35,0.15);
}
.ec-nav-back {
  font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ec-amber); text-decoration: none;
  display: flex; align-items: center; gap: 8px;
  transition: color 0.2s;
}
.ec-nav-back:hover { color: var(--ec-white); }
.ec-nav-arrow { transition: transform 0.22s; }
.ec-nav-back:hover .ec-nav-arrow { transform: translateX(-4px); }
.ec-nav-brand {
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500;
  color: var(--ec-white-soft); letter-spacing: .02em;
}

/* ── EC HERO ── */
.ec-hero {
  padding: 140px 64px 80px;
  max-width: 1200px; margin: 0 auto;
  position: relative;
}
.ec-eyebrow {
  font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ec-amber);
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 12px;
}
.ec-eyebrow::before { content: ''; width: 32px; height: 1px; background: var(--ec-amber); }
.ec-eyebrow-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e;
  display: inline-block;
  margin-left: 8px;
  animation: pls 2s ease-in-out infinite;
}
.ec-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(42px, 5vw, 72px); font-weight: 700;
  color: var(--ec-white); line-height: 1.05;
  letter-spacing: -0.02em; margin-bottom: 20px;
}
.ec-title em { color: var(--ec-amber); font-style: normal; }
.ec-subtitle {
  font-size: 16px; color: var(--ec-white-dim); line-height: 1.8;
  max-width: 560px; margin-bottom: 36px;
}
.ec-meta-row {
  display: flex; gap: 32px; flex-wrap: wrap;
}
.ec-meta-item {
  display: flex; flex-direction: column; gap: 4px;
}
.ec-meta-label {
  font-family: 'DM Mono', monospace; font-size: 8px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ec-white-dim);
}
.ec-meta-value {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--ec-amber); letter-spacing: .04em;
}
.ec-cta-row {
  display: flex; gap: 14px; margin-top: 40px; align-items: center; flex-wrap: wrap;
}
.ec-btn-primary {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--ec-amber); color: var(--ec-navy-dark);
  padding: 14px 28px;
  font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .14em;
  text-transform: uppercase; text-decoration: none; border-radius: 6px;
  font-weight: 600; transition: opacity 0.2s, transform 0.2s;
}
.ec-btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.ec-btn-ghost {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid rgba(245,166,35,0.35); color: var(--ec-amber);
  padding: 13px 24px;
  font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .14em;
  text-transform: uppercase; text-decoration: none; border-radius: 6px;
  transition: border-color 0.2s, background 0.2s;
}
.ec-btn-ghost:hover { border-color: var(--ec-amber); background: var(--ec-amber-dim); }

/* ── EC CONTENT ── */
.ec-content {
  max-width: 1200px; margin: 0 auto; padding: 0 64px 120px;
}
.ec-divider {
  height: 1px; background: rgba(255,255,255,0.06); margin: 72px 0;
}
.ec-section-label {
  font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ec-amber);
  margin-bottom: 20px; display: flex; align-items: center; gap: 12px;
}
.ec-section-label::after { content: ''; flex: 1; height: 1px; background: rgba(245,166,35,0.18); }
.ec-section-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(28px, 3.5vw, 40px); font-weight: 600;
  color: var(--ec-white); line-height: 1.15;
  letter-spacing: -0.02em; margin-bottom: 28px;
}
.ec-section-title em { color: var(--ec-amber); font-style: normal; }
.ec-body-text {
  font-size: 15px; line-height: 1.8; color: var(--ec-white-dim);
  max-width: 680px;
}
.ec-body-text strong { color: var(--ec-white-soft); font-weight: 600; }

/* ── EC FEATURE GRID ── */
.ec-feature-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1px;
  background: rgba(255,255,255,0.04); margin-top: 48px;
}
.ec-feature-card {
  background: var(--ec-navy); padding: 36px 32px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: background 0.3s, border-color 0.3s;
}
.ec-feature-card:hover {
  background: rgba(245,166,35,0.03);
  border-color: rgba(245,166,35,0.12);
}
.ec-feature-icon {
  font-size: 28px; margin-bottom: 16px;
}
.ec-feature-title {
  font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 600;
  color: var(--ec-white); margin-bottom: 10px; letter-spacing: -0.01em;
}
.ec-feature-body {
  font-size: 13px; color: var(--ec-white-dim); line-height: 1.65;
}

/* ── EC TECH STACK ── */
.ec-tech-stack {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px;
}
.ec-tech-item {
  font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .1em;
  text-transform: uppercase; padding: 8px 16px;
  border: 1px solid rgba(245,166,35,0.25); color: var(--ec-amber);
  background: var(--ec-amber-dim); border-radius: 4px;
}

/* ── EC QUOTE ── */
.ec-quote {
  border-left: 2px solid var(--ec-amber);
  padding: 24px 32px; margin: 32px 0;
  background: var(--ec-amber-dim);
}
.ec-quote-text {
  font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 500;
  color: var(--ec-white-soft); line-height: 1.7; font-style: italic;
}
.ec-quote-attr {
  font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ec-amber); margin-top: 12px;
}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .ec-nav { padding: 14px 20px; }
  .ec-hero { padding: 120px 28px 60px; }
  .ec-content { padding: 0 28px 80px; }
  .ec-feature-grid { grid-template-columns: 1fr; }
}