:root {
  --navy: #0b2147;
  --navy-dark: #07162f;
  --green: #0f9d58;
  --green-dark: #0b7d46;
  --orange: #f5a623;
  --orange-dark: #d47d00;
  --sky: #eff5ff;
  --mint: #e9f8ef;
  --warning: #fff2d9;
  --text: #102a43;
  --muted: #4a5568;
  --card: #ffffff;
  --border: #e3e8f0;
  --shadow: 0 20px 45px rgba(11, 33, 71, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f9fbff 0%, #f1f6ff 40%, #ffffff 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  font-family: "Sora", "Manrope", sans-serif;
  color: var(--navy);
  margin: 0 0 12px;
  line-height: 1.2;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

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

.brand__badge {
  background: var(--green);
  color: #ffffff;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.brand__name {
  font-weight: 800;
  margin: 0;
  letter-spacing: 0.04em;
}

.brand__desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.hotline {
  text-align: right;
}

.hotline__label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.hotline__number {
  font-family: "Sora", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green-dark);
}

.hero {
  position: relative;
  padding: 64px 0 56px;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(0px);
  opacity: 0.25;
  z-index: 0;
}

.hero::before {
  width: 340px;
  height: 340px;
  background: radial-gradient(circle at 30% 30%, var(--green) 0%, transparent 70%);
  top: -120px;
  left: -120px;
}

.hero::after {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at 70% 30%, var(--orange) 0%, transparent 70%);
  bottom: -220px;
  right: -160px;
}

.hero__grid {
  display: grid;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.hero__sub {
  font-size: 1.05rem;
  color: var(--text);
}

.hero__actions {
  display: grid;
  gap: 12px;
  margin: 20px 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 700;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(15, 157, 88, 0.25);
}

.btn--secondary {
  background: #ffffff;
  border-color: var(--orange);
  color: var(--navy);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero__trust {
  display: grid;
  gap: 12px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.trust__title {
  display: block;
  font-weight: 700;
  color: var(--navy);
}

.trust__desc {
  font-size: 0.92rem;
  color: var(--muted);
}

.alert-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.alert-card__title {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  color: var(--orange-dark);
  margin-bottom: 12px;
}

.alert-card__desc {
  color: var(--text);
}

.alert-card__list {
  padding-left: 20px;
  margin: 16px 0;
  color: var(--muted);
}

.alert-card__badge {
  background: var(--warning);
  color: var(--navy);
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 12px;
  text-align: center;
}

.section {
  padding: 64px 0;
}

.section__head {
  margin-bottom: 28px;
}

.section__head p {
  max-width: 640px;
}

.card-grid {
  display: grid;
  gap: 16px;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 14px 30px rgba(11, 33, 71, 0.08);
}

.section--accent {
  background: linear-gradient(180deg, #f3fbf6 0%, #ffffff 100%);
}

.commit-grid {
  display: grid;
  gap: 16px;
}

.commit-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px;
  border-left: 4px solid var(--green);
  border-right: 1px solid var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.coverage {
  display: grid;
  gap: 20px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
}

.coverage__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.coverage__list span {
  background: var(--sky);
  color: var(--navy);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}

.section--process {
  background: linear-gradient(180deg, #fff7ea 0%, #ffffff 100%);
}

.process {
  display: grid;
  gap: 18px;
}

.process__step {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 28px rgba(11, 33, 71, 0.08);
}

.step__number {
  display: inline-block;
  background: var(--orange);
  color: #ffffff;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.review-grid {
  display: grid;
  gap: 16px;
}

.review-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 24px rgba(11, 33, 71, 0.08);
}

.review-card blockquote {
  margin: 0 0 12px;
  font-weight: 600;
  color: var(--navy);
}

.cta {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--navy) 0%, #0e2f6b 55%, #144284 100%);
  color: #ffffff;
}

.cta h2,
.cta p {
  color: #ffffff;
}

.cta__content {
  display: grid;
  gap: 24px;
  align-items: center;
}

.cta__actions {
  display: grid;
  gap: 12px;
}

.cta .btn--secondary {
  border-color: #ffffff;
  color: #ffffff;
  background: transparent;
}

.site-footer {
  background: var(--navy-dark);
  color: #ffffff;
  padding: 40px 0 32px;
}

.site-footer a,
.site-footer p {
  color: #ffffff;
}

.footer__grid {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.footer__title {
  font-weight: 700;
  margin-bottom: 8px;
}

.footer__note {
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.8;
}

.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 10px 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  z-index: 30;
}

.sticky-cta__btn {
  text-align: center;
  font-weight: 700;
  padding: 12px 10px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.sticky-cta__btn--call {
  background: var(--green);
  color: #ffffff;
}

.sticky-cta__btn--zalo {
  background: var(--orange);
  color: #1f2a44;
}

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }

  .hero__actions {
    grid-template-columns: auto auto;
    justify-content: flex-start;
  }

  .hero__trust {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .commit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cta__content {
    grid-template-columns: 2fr 1fr;
  }

  .cta__actions {
    justify-items: start;
  }

  .footer__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sticky-cta {
    display: none;
  }
}

@media (max-width: 767px) {
  body {
    padding-bottom: 80px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hotline {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
    transition: none !important;
  }
}