/* ==========================================================================
   Tự Do & Định Kiến Workshop - Landing Page CSS
   ========================================================================== */

/* HEADER NAV */
.nav-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background-color: rgba(234, 227, 210, 0.85); /* Sand Cream with opacity */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid rgba(204, 161, 82, 0.15); /* Mustard with opacity */
  transition: padding var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: 0.05em;
  color: var(--color-text-dark);
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--color-gold);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-gold);
  color: var(--color-text-dark);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 0.625rem 1.5rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-cta:hover {
  background-color: var(--color-white);
  color: var(--color-text-dark);
}

/* HERO SECTION */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 8rem;
  padding-bottom: 5rem;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(204, 161, 82, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(204, 161, 82, 0.04) 0px, rgba(204, 161, 82, 0.04) 1px, transparent 1px, transparent 80px);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 1.125rem; /* slightly smaller to look more like a sans-serif eyebrow */
  color: rgba(30, 27, 21, 0.7);
  font-style: normal;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 3rem;
  padding: 0 0.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 2.5rem;
  color: var(--color-text-dark);
}

.hero-title em {
  font-style: normal;
  color: var(--color-gold-dark);
}

.hero-subhead {
  font-family: var(--font-sans);
  font-size: 1.125rem; /* slightly smaller to look more like sans-serif body text */
  color: rgba(30, 27, 21, 0.75);
  font-style: normal;
  font-weight: 400;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 2.5rem;
}

.hero-subhead em {
  font-style: normal;
  color: var(--color-gold-dark);
}

.hero-negatives {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: rgba(30, 27, 21, 0.75);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 3rem;
}

.hero-negatives .dot {
  color: rgba(204, 161, 82, 0.5);
}

.hero-logistics {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2rem;
  color: rgba(30, 27, 21, 0.8);
  font-size: 0.9375rem;
}

.logistics-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logistics-item svg {
  color: var(--color-gold-dark);
  flex-shrink: 0;
}

.hero-social-proof {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid rgba(204, 161, 82, 0.3);
  border-radius: 9999px;
  background-color: rgba(204, 161, 82, 0.05);
  margin-bottom: 2.5rem;
}

.hero-social-proof svg {
  color: var(--color-gold-dark);
}

.hero-social-proof span {
  color: var(--color-gold-dark);
  font-size: 0.9375rem;
  font-weight: 500;
}

.hero-cta-subtitle {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: rgba(30, 27, 21, 0.6);
}

.hero-cta-subtitle span {
  text-decoration: line-through;
}

.hero-portrait {
  margin-top: 3.5rem;
  display: flex;
  justify-content: center;
}

.hero-portrait img {
  width: 13rem;
  height: 13rem;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
  border: 4px solid rgba(204, 161, 82, 0.3);
  outline: 4px solid rgba(204, 161, 82, 0.1);
}

.hero-scroll {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dark);
  opacity: 0.4;
}

/* SECTION STYLING COMMON */
.section-py {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.text-black-main {
  color: var(--color-text-dark);
}

/* PAIN POINTS SECTION */
.pain-points {
  background-color: var(--color-cream);
  color: var(--color-text-dark);
}

.pain-points h2 {
  font-size: 3rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 3rem;
  text-align: center;
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
}

.pain-points h2 em {
  font-style: italic;
  color: var(--color-gold-dark);
}

.pain-points-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.125rem;
  color: rgba(30, 27, 21, 0.8);
  line-height: 1.7;
}

.pain-points-content p {
  margin-bottom: 1.5rem;
}

.pain-points-content .lead {
  font-size: 1.25rem;
  color: var(--color-text-dark);
  font-weight: 500;
}

.pain-points-content h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.pain-points-content h3 em {
  font-style: italic;
  color: var(--color-gold-dark);
}

/* STORY SECTION */
.story {
  background-color: var(--color-black-main);
  color: var(--color-text-dark);
}

.story h2 {
  font-size: 3rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 3rem;
  text-align: center;
}

.story h2 span {
  font-style: italic;
  color: var(--color-gold-dark);
}

.story-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.125rem;
  color: rgba(30, 27, 21, 0.8);
  line-height: 1.7;
}

.story-content p {
  margin-bottom: 1.5rem;
}

.story-content .lead {
  font-size: 1.375rem;
  color: var(--color-text-dark);
  font-weight: 500;
  line-height: 1.5;
}

.story-image {
  margin: 2.5rem 0;
  display: flex;
  justify-content: center;
}

.story-image img {
  border-radius: 1rem;
  box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1);
  max-width: 100%;
  height: auto;
  opacity: 0.95;
}

.story-divider {
  width: 33.33%;
  border: 0;
  border-top: 1px solid rgba(204, 161, 82, 0.3);
  margin: 2.5rem auto;
}

.story-quote-block {
  font-size: 1.25rem;
  color: var(--color-text-dark);
  font-weight: 500;
  padding: 1rem 1.5rem;
  border-left: 2px solid var(--color-gold);
  margin: 2rem 0;
  line-height: 1.6;
}

.story-ending {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.75rem;
  line-height: 1.5;
  color: var(--color-gold-dark);
  margin-top: 2.5rem;
}

/* CURRICULUM SECTION */
.curriculum {
  background-color: var(--color-cream);
  color: var(--color-text-dark);
}

.curriculum-header {
  text-align: center;
  margin-bottom: 4rem;
}

.curriculum-header h2 {
  font-size: 3rem;
  font-weight: 500;
}

.curriculum-header p.subtitle {
  color: rgba(30, 27, 21, 0.7);
  margin-top: 1rem;
  font-style: italic;
  font-size: 1.125rem;
}

.curriculum-header p.meta {
  color: rgba(30, 27, 21, 0.5);
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.curriculum-card {
  background-color: var(--color-white);
  border: 1px solid rgba(204, 161, 82, 0.2);
  padding: 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.curriculum-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.08);
}

.curriculum-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-gold);
}

.card-eyebrow {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-gold-dark);
  margin-bottom: 0.75rem;
}

.curriculum-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.card-translation {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
  color: rgba(30, 27, 21, 0.7);
  margin-bottom: 0.75rem;
}

.card-question {
  font-size: 0.875rem;
  color: var(--color-gold-dark);
  font-style: italic;
  margin-bottom: 2rem;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-list-item {
  display: flex;
  gap: 0.75rem;
}

.card-list-item span.bullet {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.card-list-item p {
  font-size: 0.9375rem;
  color: rgba(30, 27, 21, 0.8);
  line-height: 1.5;
  margin-bottom: 0;
}

.card-footer-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(204, 161, 82, 0.2);
  font-size: 0.9375rem;
  color: var(--color-gold-dark);
  line-height: 1.5;
  font-weight: 500;
}

.curriculum-cta {
  text-align: center;
  margin-top: 3.5rem;
}

/* BEFORE/AFTER COMPARISON */
.comparison {
  background-color: var(--color-black-main);
  color: var(--color-text-dark);
}

.comparison h2 {
  font-size: 3rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 3.5rem;
}

.comparison-wrapper {
  max-width: 800px;
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid rgba(30, 27, 21, 0.08);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th {
  width: 50%;
  padding: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.comparison-table th:first-child {
  color: var(--color-text-muted);
  background-color: rgba(0, 0, 0, 0.02);
}

.comparison-table th:last-child {
  color: var(--color-text-dark);
  background-color: var(--color-gold);
}

.comparison-table td {
  padding: 1.5rem;
  font-size: 0.9375rem;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid rgba(30, 27, 21, 0.08);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table td:first-child {
  color: rgba(30, 27, 21, 0.7);
  background-color: rgba(0, 0, 0, 0.02);
}

.comparison-table td:last-child {
  color: var(--color-text-dark);
  background-color: rgba(204, 161, 82, 0.1);
}

.comparison-cell-flex {
  display: flex;
  align-items: start;
  gap: 0.75rem;
}

.comparison-cell-flex svg {
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* TESTIMONIALS SECTION */
.testimonials {
  background-color: var(--color-black-soft);
  color: var(--color-text-dark);
}

.testimonials h2 {
  font-size: 3rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1024px;
  margin: 0 auto;
}

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid rgba(204, 161, 82, 0.15);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.testimonial-card svg.quote-icon {
  color: rgba(204, 161, 82, 0.4);
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.testimonial-quote {
  font-size: 0.9375rem;
  color: rgba(30, 27, 21, 0.8);
  font-style: italic;
  line-height: 1.6;
  flex: 1;
}

.testimonial-quote p {
  margin-bottom: 1rem;
}

.testimonial-quote p:last-child {
  margin-bottom: 0;
}

.testimonial-quote span.emoji {
  font-style: normal;
}

.testimonial-author {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(204, 161, 82, 0.15);
}

.author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gold-dark);
}

.author-title {
  font-size: 0.75rem;
  color: rgba(30, 27, 21, 0.6);
  margin-top: 0.125rem;
}

/* WHO IS THIS FOR SECTION */
.who-for {
  background-color: var(--color-cream);
  color: var(--color-text-dark);
}

.who-for h2 {
  font-size: 3rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 4rem;
}

.who-for-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  max-width: 960px;
  margin: 0 auto;
}

.who-for-column h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(30, 27, 21, 0.1);
}

.who-for-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  list-style: none;
}

.who-for-item {
  display: flex;
  align-items: start;
  gap: 0.75rem;
}

.who-for-item svg {
  flex-shrink: 0;
  margin-top: 0.1875rem;
}

.who-for-item p {
  font-size: 0.9375rem;
  color: rgba(30, 27, 21, 0.75);
  line-height: 1.6;
  margin-bottom: 0;
}

.who-for-item p strong {
  color: var(--color-text-dark);
  font-weight: 600;
}

/* FAQ SECTION */
.faq {
  background-color: var(--color-black-main);
  color: var(--color-text-dark);
}

.faq h2 {
  font-size: 3rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 3.5rem;
}

.faq-wrapper {
  max-width: 720px;
  margin: 0 auto;
  border-top: 1px solid rgba(204, 161, 82, 0.2);
}

.faq-item {
  border-bottom: 1px solid rgba(204, 161, 82, 0.2);
}

.faq-toggle {
  width: 100%;
  display: flex;
  align-items: start;
  justify-content: space-between;
  padding: 1.75rem 0;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  color: inherit;
}

.faq-question {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text-dark);
  padding-right: 2rem;
  line-height: 1.4;
  display: flex;
  align-items: start;
}

.faq-question .num {
  color: var(--color-gold-dark);
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.faq-icon {
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid rgba(204, 161, 82, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-dark);
  font-size: 1.125rem;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding-left: 2.25rem;
  padding-right: 2rem;
  color: rgba(30, 27, 21, 0.7);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.faq-answer p {
  padding-bottom: 1.75rem;
  margin-bottom: 0;
}

.faq-answer.open {
  max-height: 1000px;
}

.faq-more {
  margin-top: 3.5rem;
  padding-top: 3rem;
  text-align: center;
}

.faq-more p {
  font-size: 1.125rem;
  color: rgba(30, 27, 21, 0.75);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* FINAL CTA SECTION */
.final-cta {
  background-color: var(--color-cream);
  color: var(--color-text-dark);
  text-align: center;
}

.final-cta-image {
  margin-bottom: 2.5rem;
  display: flex;
  justify-content: center;
}

.final-cta-image img {
  width: 100%;
  max-width: 440px;
  height: auto;
  max-height: 360px;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
  object-fit: cover;
}

.final-cta h2 {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 2rem;
  line-height: 1.25;
}

.final-cta h2 span {
  font-style: italic;
  color: var(--color-gold-dark);
}

.final-cta-sub {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: rgba(30, 27, 21, 0.85);
  font-style: italic;
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 2.5rem;
}

.final-cta-sub p {
  margin-bottom: 0.25rem;
}

.final-cta-sub em {
  font-style: normal;
  color: var(--color-gold-dark);
}

.final-cta-footer {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: rgba(30, 27, 21, 0.6);
}

/* FOOTER */
.footer {
  background-color: var(--color-black-soft);
  color: var(--color-text-muted);
  padding: 2rem 0;
  font-size: 0.875rem;
  border-top: 1px solid rgba(204, 161, 82, 0.15);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-gold-dark);
}

/* RESPONSIVE DESIGN */
@media (min-width: 768px) {
  .nav-logo {
    font-size: 1.125rem;
  }
  .nav-cta {
    font-size: 0.75rem;
    padding: 0.625rem 1.5rem;
  }
  .hero-eyebrow {
    font-size: 1.25rem;
  }
  .hero-title {
    font-size: 3.5rem;
  }
  .hero-subhead {
    font-size: 1.25rem;
  }
  .hero-negatives {
    font-size: 1.125rem;
  }
  .curriculum-grid {
    grid-template-columns: 1fr 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }
  .who-for-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-container {
    flex-direction: row;
    gap: 1.5rem;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
    margin-bottom: 2rem;
  }
  .hero-eyebrow {
    font-size: 1.125rem;
    margin-bottom: 2rem;
  }
  .hero-subhead {
    font-size: 1.125rem;
    margin-bottom: 2rem;
  }
  .hero-negatives {
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    font-size: 1rem;
  }
  .hero-logistics {
    flex-direction: column;
    gap: 1rem;
    font-size: 0.875rem;
  }
  .pain-points h2, .story h2, .true-cost-header h2, .curriculum-header h2, .comparison h2, .testimonials h2, .who-for h2, .final-cta h2 {
    font-size: 2rem;
    line-height: 1.3;
  }
  .curriculum-card {
    padding: 2rem;
  }
  .testimonial-card {
    padding: 1.75rem;
  }
  .faq-question {
    font-size: 0.9375rem;
  }
}

/* TRUE COST SECTION */
.true-cost {
  background-color: var(--color-black-soft);
  color: var(--color-text-dark);
}

.true-cost-header {
  text-align: center;
}

.true-cost-header h2 {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 1rem;
  text-align: center;
}

.true-cost-header h2 span {
  font-style: italic;
  color: var(--color-gold-dark);
}

.true-cost-header .subtitle {
  font-size: 1.125rem;
  color: rgba(30, 27, 21, 0.75);
  max-width: 760px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
  text-align: center;
}

.true-cost-intro-box {
  background-color: var(--color-white);
  border-left: 3px solid var(--color-gold);
  border-radius: 0.75rem;
  padding: 1.5rem 2rem;
  max-width: 860px;
  margin: 0 auto 3.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.true-cost-intro-box p {
  font-size: 1rem;
  color: rgba(30, 27, 21, 0.85);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Cost Table Styling */
.cost-table-wrapper {
  max-width: 960px;
  margin: 0 auto 3rem;
  background-color: var(--color-white);
  border-radius: 1.25rem;
  border: 1px solid rgba(204, 161, 82, 0.2);
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
}

.cost-table-header {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1.5fr;
  background-color: var(--color-black-main);
  padding: 1.25rem 1.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dark);
  border-bottom: 1px solid rgba(204, 161, 82, 0.2);
}

.cost-table-row {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1.5fr;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid rgba(30, 27, 21, 0.06);
  align-items: center;
  transition: background-color var(--transition-fast);
}

.cost-table-row:last-child {
  border-bottom: none;
}

.cost-table-row:hover {
  background-color: rgba(234, 227, 210, 0.2);
}

.cost-table-row .col-item strong {
  font-size: 0.9375rem;
  color: var(--color-text-dark);
  line-height: 1.4;
  display: block;
}

.cost-table-row .col-desc {
  font-size: 0.875rem;
  color: rgba(30, 27, 21, 0.7);
  line-height: 1.5;
  padding-right: 1rem;
}

.cost-table-row .col-price {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

.cost-table-row .col-price .price-usd {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-gold-dark);
}

.cost-table-row .col-price .price-vnd {
  font-size: 0.8125rem;
  color: rgba(30, 27, 21, 0.8);
  font-weight: 600;
}

.cost-table-row .col-price .price-freq {
  font-size: 0.75rem;
  color: rgba(30, 27, 21, 0.5);
  font-style: italic;
}

/* Cumulative Summary Banner */
.cost-summary-banner {
  max-width: 960px;
  margin: 0 auto 4rem;
  background: linear-gradient(135deg, rgba(204, 161, 82, 0.15) 0%, rgba(234, 227, 210, 0.3) 100%);
  border: 2px solid var(--color-gold);
  border-radius: 1.25rem;
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-around;
  box-shadow: 0 10px 25px -5px rgba(204, 161, 82, 0.15);
}

.cost-summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cost-summary-item .summary-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(30, 27, 21, 0.7);
  margin-bottom: 0.5rem;
}

.cost-summary-item .summary-val-usd {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-gold-dark);
}

.cost-summary-item .summary-val-vnd {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-dark);
}

.cost-summary-divider {
  width: 1px;
  height: 4rem;
  background-color: rgba(204, 161, 82, 0.4);
}

/* Non-monetary Costs */
.non-monetary-intro {
  margin-bottom: 2.5rem;
  text-align: center;
}

.non-monetary-intro h3 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 500;
  color: var(--color-text-dark);
  text-align: center;
}

.hidden-costs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.hidden-cost-card {
  background-color: var(--color-white);
  border: 1px solid rgba(204, 161, 82, 0.2);
  border-radius: 1.25rem;
  padding: 2.25rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hidden-cost-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.06);
}

.card-cost-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: rgba(204, 161, 82, 0.12);
  color: var(--color-gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.hidden-cost-card h4 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(30, 27, 21, 0.08);
}

.cost-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  list-style: none;
}

.cost-bullet-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.cost-bullet-list li span.bullet {
  color: var(--color-gold-dark);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.cost-bullet-list li p {
  font-size: 0.875rem;
  color: rgba(30, 27, 21, 0.8);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Responsive adjustment for cost section */
@media (max-width: 767px) {
  .true-cost-header h2 {
    font-size: 2rem;
  }
  .cost-table-header {
    display: none;
  }
  .cost-table-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.25rem;
  }
  .cost-table-row .col-desc {
    padding-right: 0;
  }
  .cost-summary-banner {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
  }
  .cost-summary-divider {
    width: 60%;
    height: 1px;
  }
  .hidden-costs-grid {
    grid-template-columns: 1fr;
  }
}

/* MECHANISM 3-TIER SECTION */
.mechanism {
  background-color: var(--color-white);
  color: var(--color-text-dark);
}

.mechanism-header {
  text-align: center;
}

.mechanism-header h2 {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  text-align: center;
}

.mechanism-header .subtitle {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-gold-dark);
  font-style: italic;
  margin-bottom: 1.25rem;
  text-align: center;
}

.mechanism-header .intro-box {
  font-size: 1.0625rem;
  color: rgba(30, 27, 21, 0.85);
  max-width: 820px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
  padding: 1.25rem 1.75rem;
  background-color: var(--color-black-soft);
  border-radius: 1rem;
  border-left: 3px solid var(--color-gold);
  text-align: center;
}

.tier-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto 4rem;
}

.tier-card {
  background-color: var(--color-black-soft);
  border: 1px solid rgba(204, 161, 82, 0.25);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
}

.tier-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tier-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.875rem;
  border-radius: 2rem;
  background-color: rgba(204, 161, 82, 0.15);
  color: var(--color-gold-dark);
}

.tier-card h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 0.5rem;
}

.tier-card .tier-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gold-dark);
  margin-bottom: 1.25rem;
}

.tier-context {
  background-color: var(--color-white);
  padding: 1.25rem 1.5rem;
  border-radius: 0.875rem;
  font-size: 0.9375rem;
  color: rgba(30, 27, 21, 0.85);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  border: 1px solid rgba(30, 27, 21, 0.05);
}

.tier-card h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(30, 27, 21, 0.6);
  margin-bottom: 1rem;
}

.tier-practices-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.5rem;
  list-style: none;
  margin-bottom: 2rem;
}

.tier-practices-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.tier-practices-list li span.bullet {
  color: var(--color-gold-dark);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.tier-practices-list li p {
  font-size: 0.875rem;
  color: rgba(30, 27, 21, 0.8);
  line-height: 1.5;
  margin-bottom: 0;
}

.tier-target-box {
  background-color: rgba(204, 161, 82, 0.12);
  border-left: 3px solid var(--color-gold);
  padding: 1rem 1.25rem;
  border-radius: 0.625rem;
  font-size: 0.875rem;
  color: var(--color-text-dark);
  line-height: 1.5;
}

.tier-target-box strong {
  color: var(--color-gold-dark);
}

/* Why Order Matters Block */
.order-matters-box {
  max-width: 960px;
  margin: 0 auto;
  background-color: var(--color-white);
  border: 2px solid var(--color-gold);
  border-radius: 1.5rem;
  padding: 3rem;
  box-shadow: 0 15px 35px -10px rgba(204, 161, 82, 0.12);
}

.order-matters-box h3 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 1.5rem;
  text-align: center;
}

.order-reasons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.order-reason-item {
  background-color: var(--color-black-soft);
  padding: 1.25rem 1.5rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  color: rgba(30, 27, 21, 0.85);
  line-height: 1.6;
}

.order-reason-item strong {
  color: var(--color-gold-dark);
}

.order-summary-callout {
  background: linear-gradient(135deg, rgba(204, 161, 82, 0.15) 0%, rgba(234, 227, 210, 0.4) 100%);
  border-radius: 1.25rem;
  padding: 2rem;
  text-align: center;
}

.order-summary-callout p.quote {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-style: italic;
  color: var(--color-text-dark);
  line-height: 1.6;
  margin-bottom: 0;
}

.comparison-subtitle {
  font-size: 1.125rem;
  color: rgba(30, 27, 21, 0.75);
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* Responsive adjustment for mechanism section */
@media (max-width: 767px) {
  .mechanism-header h2 {
    font-size: 2rem;
  }
  .tier-card {
    padding: 1.5rem;
  }
  .tier-practices-list {
    grid-template-columns: 1fr;
  }
  .order-matters-box {
    padding: 1.5rem;
  }
  .order-reasons-grid {
    grid-template-columns: 1fr;
  }
  .order-summary-callout p.quote {
    font-size: 1.125rem;
  }
}

/* Coach Credentials Section */
.coach-credentials {
  background-color: var(--color-black-soft);
  padding: 5rem 0;
}

@media (max-width: 991px) {
  .credentials-grid {
    grid-template-columns: 1fr !important;
    gap: 3rem !important;
  }
}

/* Suitability Section */
.suitability {
  background-color: var(--color-cream);
  padding: 5rem 0;
}

@media (max-width: 991px) {
  .suitability-grid {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }
}