@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --ec-deep-cyan: #007E93;
  --ec-brand-cyan: #00A2BC;
  --ec-teal: #00B4D0;
  --ec-light-cyan: #3BC4E5;
  --ec-dark: #0F172A;
  --ec-slate: #334155;
  --ec-muted: #64748B;
  --ec-bg: #F8FAFC;
  --ec-white: #FFFFFF;
  --ec-border: #E2E8F0;
  --ec-success: #059669;
  --ec-warn: #D97706;
  --ec-danger: #DC2626;
  --ec-radius: 14px;
  --ec-shadow: 0 12px 32px -12px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--ec-bg);
  color: var(--ec-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--ec-deep-cyan); text-decoration: none; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Funnel Progress */
.topbar {
  background: var(--ec-dark);
  color: var(--ec-white);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.funnel-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

.step-pill {
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: #94A3B8;
  white-space: nowrap;
}

.step-pill.active {
  background: var(--ec-brand-cyan);
  color: var(--ec-white);
}

.step-pill.done {
  background: rgba(5, 150, 105, 0.2);
  color: #6EE7B7;
}

.nav-links {
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 13px;
}

.nav-links a {
  color: #CBD5E1;
  font-weight: 600;
}

.nav-links a:hover { color: var(--ec-light-cyan); }

/* Badges & Typography */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(0, 162, 188, 0.12);
  color: var(--ec-deep-cyan);
  border: 1px solid rgba(0, 162, 188, 0.25);
}

.badge-dark {
  background: rgba(59, 196, 229, 0.14);
  color: var(--ec-light-cyan);
  border-color: rgba(59, 196, 229, 0.3);
}

h1, h2, h3, h4 {
  margin: 0 0 12px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(28px, 4.2vw, 46px); }
h2 { font-size: clamp(24px, 3.2vw, 34px); }
h3 { font-size: 20px; }

.lead {
  font-size: 18px;
  color: var(--ec-slate);
  margin: 0 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ec-deep-cyan);
  color: var(--ec-white);
  box-shadow: 0 8px 20px -6px rgba(0, 126, 147, 0.5);
}

.btn-primary:hover { background: var(--ec-brand-cyan); color: var(--ec-white); }

.btn-secondary {
  background: var(--ec-white);
  color: var(--ec-dark);
  border: 1.5px solid var(--ec-border);
}

.btn-secondary:hover { border-color: var(--ec-brand-cyan); color: var(--ec-deep-cyan); }

.btn-ghost {
  background: transparent;
  color: var(--ec-muted);
  font-weight: 600;
  padding: 10px 16px;
}

.btn-block { width: 100%; }

/* Cards & Sections */
.section { padding: 64px 0; }
.section-dark {
  background: var(--ec-dark);
  color: var(--ec-white);
}
.section-dark .lead { color: #CBD5E1; }

.card {
  background: var(--ec-white);
  border: 1px solid var(--ec-border);
  border-radius: var(--ec-radius);
  padding: 28px;
  box-shadow: var(--ec-shadow);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .funnel-steps { display: none; }
}

/* Forms */
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ec-dark);
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--ec-border);
  font-family: inherit;
  font-size: 15px;
  color: var(--ec-dark);
  background: var(--ec-white);
  transition: border-color 0.15s;
}
.form-control:focus {
  outline: none;
  border-color: var(--ec-brand-cyan);
  box-shadow: 0 0 0 3px rgba(0, 162, 188, 0.15);
}

/* Pricing Cards */
.pricing-card {
  background: var(--ec-white);
  border: 1.5px solid var(--ec-border);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--ec-brand-cyan);
  box-shadow: 0 20px 40px -16px rgba(0, 126, 147, 0.28);
}

.pricing-tag {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--ec-deep-cyan);
  color: var(--ec-white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 10px;
}

.price-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--ec-dark);
  margin: 8px 0 4px;
}

.price-vnd {
  font-size: 14px;
  color: var(--ec-deep-cyan);
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}

.feature-list li {
  padding: 7px 0;
  font-size: 14px;
  color: var(--ec-slate);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.feature-list li::before {
  content: "✓";
  color: var(--ec-deep-cyan);
  font-weight: 800;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-backdrop.open { display: flex; }
.modal-box {
  background: var(--ec-white);
  border-radius: 18px;
  max-width: 520px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: none;
  background: #F1F5F9;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
}

/* Tables & Status Pills */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--ec-border);
  vertical-align: top;
}
th {
  background: #F1F5F9;
  font-weight: 700;
  color: var(--ec-dark);
}

.status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.status-pending { background: #FEF3C7; color: #92400E; }
.status-paid { background: #D1FAE5; color: #065F46; }
.status-activated { background: #DBEAFE; color: #1E40AF; }
.status-done { background: #E0E7FF; color: #3730A3; }
.status-cancelled { background: #FEE2E2; color: #991B1B; }

.footer {
  background: var(--ec-dark);
  color: #94A3B8;
  padding: 32px 0;
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer a { color: #CBD5E1; }