/* Core Reset */
:root {
  color-scheme: light;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1b1b1b;
  background: #fef8f0;
  --bg: #fff8f0;
  --surface: #ffffff;
  --surface-strong: #f8f1e6;
  --text: #1b1b1b;
  --text-muted: #5f5f5f;
  --border: rgba(27, 27, 27, 0.08);
  --primary: #c6863e;
  --primary-dark: #8f5b25;
  --secondary: #2d2d2d;
  --accent: #d49f49;
  --shadow: 0 24px 60px rgba(27, 27, 27, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(212, 159, 73, 0.18), transparent 35%),
    linear-gradient(180deg, #fffdfb 0%, #f7f1e9 100%);
  color: var(--text);
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

.page-shell {
  position: relative;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(27, 27, 27, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: 46px;
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 600;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--text);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(27, 27, 27, 0.1);
  padding: 0.7rem;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #a9662f);
  color: #fff;
  box-shadow: 0 18px 40px rgba(198, 134, 62, 0.24);
}

.btn-secondary {
  background: rgba(45, 45, 45, 0.95);
  color: #fff;
}

.hero {
  padding: 5.25rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

.hero-left {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1.25rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 4.8vw, 4.6rem);
  line-height: 0.98;
}

.hero-text {
  margin: 1.4rem 0 2rem;
  font-size: 1.08rem;
  max-width: 38rem;
  color: var(--text-muted);
}

.hero-badges {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1.2rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(27, 27, 27, 0.08);
  color: var(--text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1rem;
}

.hero-note {
  margin: 0;
  color: var(--text-muted);
}

.hero-right {
  display: grid;
  place-items: center;
}

.hero-image-card {
  width: min(100%, 540px);
  padding: 1.5rem;
  border-radius: 2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.7));
  box-shadow: 0 28px 70px rgba(27, 27, 27, 0.14);
}

.hero-image-card img {
  width: 100%;
  height: auto;
  border-radius: 1.8rem;
  object-fit: cover;
}

.section-heading {
  text-align: center;
  padding-bottom: 1.5rem;
}

.section-heading small {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.1rem, 3vw, 3rem);
  line-height: 1.1;
}

.section-heading p {
  margin: 1rem auto 0;
  max-width: 660px;
  color: var(--text-muted);
}

.proof-section,
.trust-section,
.process-section,
.pricing-section,
.offer-section,
.final-cta {
  padding: 4rem 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.proof-card {
  padding: 1.9rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 2rem;
  border: 1px solid rgba(27, 27, 27, 0.08);
  box-shadow: 0 18px 40px rgba(27, 27, 27, 0.08);
}

.proof-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.proof-avatar {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background: linear-gradient(135deg, #d49f49, #8f5b25);
  color: #fff;
  font-weight: 700;
}

.proof-card h3 {
  margin: 0;
}

.proof-role {
  margin: 0.25rem 0 0;
  color: var(--text-muted);
}

.proof-text {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.9;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.trust-card {
  padding: 2rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(27, 27, 27, 0.08);
  box-shadow: 0 18px 36px rgba(27, 27, 27, 0.08);
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(198, 134, 62, 0.16), rgba(212, 159, 73, 0.2));
  border: 1px solid rgba(198, 134, 62, 0.18);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.trust-card h3 {
  margin: 0 0 0.85rem;
  font-size: 1.1rem;
}

.trust-card p {
  margin: 0;
  color: var(--text-muted);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.process-step {
  padding: 1.8rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(27, 27, 27, 0.08);
  box-shadow: 0 18px 40px rgba(27, 27, 27, 0.08);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary), #a9662f);
  color: #fff;
  font-weight: 700;
  margin-bottom: 1rem;
}

.process-step h3 {
  margin: 0 0 0.85rem;
}

.process-step p {
  margin: 0;
  color: var(--text-muted);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  padding: 2rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(27, 27, 27, 0.08);
  box-shadow: 0 24px 60px rgba(27, 27, 27, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pricing-card--popular {
  border-color: rgba(198, 134, 62, 0.25);
}

.pricing-head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-badge {
  display: inline-flex;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: rgba(198, 134, 62, 0.12);
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.pricing-badge--soft {
  background: rgba(45, 45, 45, 0.08);
  color: var(--secondary);
}

.pricing-card h3 {
  margin: 0;
  font-size: 1.45rem;
}

.pricing-card p {
  margin: 0;
  color: var(--text-muted);
}

.pricing-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.pricing-price span {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pricing-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.pricing-list li {
  padding: 0.95rem 1rem;
  border-radius: 1.5rem;
  background: #fff;
  border: 1px solid rgba(27, 27, 27, 0.08);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.offer-card {
  padding: 2rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(255, 251, 242, 0.98), #fff8ed);
  border: 1px solid rgba(198, 134, 62, 0.16);
  box-shadow: 0 20px 45px rgba(198, 134, 62, 0.1);
}

.offer-card h3 {
  margin: 0 0 0.75rem;
}

.offer-card p {
  margin: 0;
  color: var(--text-muted);
}

.final-cta {
  padding: 3.75rem 0;
}

.final-cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.5rem 2rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, #fff7ed, #faefe0);
  box-shadow: 0 23px 55px rgba(198, 134, 62, 0.14);
}

.final-cta-card h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.final-cta-card p {
  margin: 1rem 0 0;
  color: var(--text-muted);
}

.final-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.order-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 90;
}

.order-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.order-modal-content {
  position: relative;
  width: min(680px, 100%);
  background: #fff;
  border-radius: 2rem;
  box-shadow: 0 35px 90px rgba(27, 27, 27, 0.25);
  overflow: hidden;
}

.order-modal-body {
  padding: 2.5rem;
}

.order-modal-close {
  position: absolute;
  right: 1.25rem;
  top: 1.25rem;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(27, 27, 27, 0.9);
  color: #fff;
  font-size: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.order-modal-body h2 {
  margin: 0.9rem 0 1rem;
  font-size: clamp(1.8rem, 2.4vw, 2.4rem);
}

.order-modal-body p {
  color: var(--text-muted);
  line-height: 1.9;
}

.order-modal-features {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0 2rem;
}

.order-modal-features div {
  padding: 1rem 1.2rem;
  border-radius: 1.4rem;
  background: rgba(255, 248, 241, 0.95);
  border: 1px solid rgba(198, 134, 62, 0.12);
}

.order-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.floating-actions {
  position: fixed;
  right: 1.25rem;
  bottom: 100px;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  z-index: 60;
  width: auto;
  min-width: 0;
}

.floating-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  box-shadow: 0 18px 36px rgba(27, 27, 27, 0.12);
  font-weight: 700;
}

.floating-button--zalo {
  background: #6bc6ff;
  color: #0E83CC;
}

.floating-button--hotline {
  background: #ffbabe;
  color: red;
}

.floating-button-icon {
  display: inline-flex;
  width: 1.4rem;
  height: 1.4rem;
}

.site-footer {
  padding: 2.5rem 0 3rem;
  background: #fff;
  border-top: 1px solid rgba(27, 27, 27, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 980px) {
  .hero-grid,
  .proof-grid,
  .trust-grid,
  .process-grid,
  .pricing-grid,
  .offer-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .hero {
    padding-top: 4rem;
  }

  .hero-right {
    order: -1;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(27, 27, 27, 0.05);
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 55;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    padding: 0.9rem 0;
    gap: 0.5rem;
    border-top: 1px solid rgba(27, 27, 27, 0.08);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .site-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav a {
    display: block;
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 1rem;
    text-align: left;
    white-space: normal;
  }

  .site-nav a:hover {
    background: rgba(198, 134, 62, 0.08);
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .site-header .btn {
    flex: 0 0 auto;
    padding: 0.8rem 1rem;
    font-size: 0.95rem;
    white-space: nowrap;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-image-card {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .final-cta-card {
    flex-direction: column;
    text-align: center;
  }

  .final-cta-actions {
    justify-content: center;
    width: 100%;
  }

  .final-cta-actions .btn {
    width: 100%;
  }

  .floating-actions {
    left: auto;
    right: 1rem;
    top: auto;
    bottom: 1rem;
    transform: none;
    grid-auto-flow: column;
    justify-items: stretch;
    width: 100%;
  }

  .floating-actions .floating-button {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 560px) {
  .hidden-mobile{
    display: none;
  }
  .container {
    width: min(100%, calc(100% - 1.2rem));
  }

  .header-inner {
    gap: 0.75rem;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .section-heading h2 {
    font-size: 1.9rem;
  }

  .site-header .btn {
    padding: 0.75rem 0.95rem;
    font-size: 0.95rem;
  }

  .btn {
    padding: 0.9rem 1rem;
  }

  .floating-actions {
    left: 20px;
    right: auto;
    width: calc(100% - 40px);
    grid-auto-flow: row;
    justify-items: stretch;
    padding: 0 0.25rem;
  }

  .floating-actions .floating-button {
    width: 100%;
    max-width: 100%;
  }

  .footer-links {
    justify-content: center;
  }
}